Branch data Line data Source code
1 : : /* SPDX-License-Identifier: BSD-3-Clause
2 : : * Copyright (C) 2016 Intel Corporation. All rights reserved.
3 : : * Copyright (c) 2019 Mellanox Technologies LTD. All rights reserved.
4 : : * Copyright (c) 2021-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5 : : * Copyright (c) 2022 Dell Inc, or its subsidiaries. All rights reserved.
6 : : */
7 : :
8 : : #include "spdk/stdinc.h"
9 : :
10 : : #include "bdev_nvme.h"
11 : :
12 : : #include "spdk/accel.h"
13 : : #include "spdk/config.h"
14 : : #include "spdk/endian.h"
15 : : #include "spdk/bdev.h"
16 : : #include "spdk/json.h"
17 : : #include "spdk/keyring.h"
18 : : #include "spdk/likely.h"
19 : : #include "spdk/nvme.h"
20 : : #include "spdk/nvme_ocssd.h"
21 : : #include "spdk/nvme_zns.h"
22 : : #include "spdk/opal.h"
23 : : #include "spdk/thread.h"
24 : : #include "spdk/trace.h"
25 : : #include "spdk/string.h"
26 : : #include "spdk/util.h"
27 : : #include "spdk/uuid.h"
28 : :
29 : : #include "spdk/bdev_module.h"
30 : : #include "spdk/log.h"
31 : :
32 : : #include "spdk_internal/usdt.h"
33 : : #include "spdk_internal/trace_defs.h"
34 : :
35 : : #define CTRLR_STRING(nvme_ctrlr) \
36 : : (spdk_nvme_trtype_is_fabrics(nvme_ctrlr->active_path_id->trid.trtype) ? \
37 : : nvme_ctrlr->active_path_id->trid.subnqn : nvme_ctrlr->active_path_id->trid.traddr)
38 : :
39 : : #define CTRLR_ID(nvme_ctrlr) (spdk_nvme_ctrlr_get_id(nvme_ctrlr->ctrlr))
40 : :
41 : : #define NVME_CTRLR_ERRLOG(ctrlr, format, ...) \
42 : : SPDK_ERRLOG("[%s, %u] " format, CTRLR_STRING(ctrlr), CTRLR_ID(ctrlr), ##__VA_ARGS__);
43 : :
44 : : #define NVME_CTRLR_WARNLOG(ctrlr, format, ...) \
45 : : SPDK_WARNLOG("[%s, %u] " format, CTRLR_STRING(ctrlr), CTRLR_ID(ctrlr), ##__VA_ARGS__);
46 : :
47 : : #define NVME_CTRLR_NOTICELOG(ctrlr, format, ...) \
48 : : SPDK_NOTICELOG("[%s, %u] " format, CTRLR_STRING(ctrlr), CTRLR_ID(ctrlr), ##__VA_ARGS__);
49 : :
50 : : #define NVME_CTRLR_INFOLOG(ctrlr, format, ...) \
51 : : SPDK_INFOLOG(bdev_nvme, "[%s, %u] " format, CTRLR_STRING(ctrlr), CTRLR_ID(ctrlr), ##__VA_ARGS__);
52 : :
53 : : #ifdef DEBUG
54 : : #define NVME_CTRLR_DEBUGLOG(ctrlr, format, ...) \
55 : : SPDK_DEBUGLOG(bdev_nvme, "[%s, %u] " format, CTRLR_STRING(ctrlr), CTRLR_ID(ctrlr), ##__VA_ARGS__);
56 : : #else
57 : : #define NVME_CTRLR_DEBUGLOG(ctrlr, ...) do { } while (0)
58 : : #endif
59 : :
60 : : #define BDEV_STRING(nbdev) (nbdev->disk.name)
61 : :
62 : : #define NVME_BDEV_ERRLOG(nbdev, format, ...) \
63 : : SPDK_ERRLOG("[%s] " format, BDEV_STRING(nbdev), ##__VA_ARGS__);
64 : :
65 : : #define NVME_BDEV_WARNLOG(nbdev, format, ...) \
66 : : SPDK_WARNLOG("[%s] " format, BDEV_STRING(nbdev), ##__VA_ARGS__);
67 : :
68 : : #define NVME_BDEV_NOTICELOG(nbdev, format, ...) \
69 : : SPDK_NOTICELOG("[%s] " format, BDEV_STRING(nbdev), ##__VA_ARGS__);
70 : :
71 : : #define NVME_BDEV_INFOLOG(nbdev, format, ...) \
72 : : SPDK_INFOLOG(bdev_nvme, "[%s] " format, BDEV_STRING(nbdev), ##__VA_ARGS__);
73 : :
74 : : #define SPDK_BDEV_NVME_DEFAULT_DELAY_CMD_SUBMIT true
75 : : #define SPDK_BDEV_NVME_DEFAULT_KEEP_ALIVE_TIMEOUT_IN_MS (10000)
76 : :
77 : : #define NSID_STR_LEN 10
78 : :
79 : : #define SPDK_CONTROLLER_NAME_MAX 512
80 : :
81 : : static int bdev_nvme_config_json(struct spdk_json_write_ctx *w);
82 : :
83 : : struct nvme_bdev_io {
84 : : /** array of iovecs to transfer. */
85 : : struct iovec *iovs;
86 : :
87 : : /** Number of iovecs in iovs array. */
88 : : int iovcnt;
89 : :
90 : : /** Current iovec position. */
91 : : int iovpos;
92 : :
93 : : /** Offset in current iovec. */
94 : : uint32_t iov_offset;
95 : :
96 : : /** Offset in current iovec. */
97 : : uint32_t fused_iov_offset;
98 : :
99 : : /** array of iovecs to transfer. */
100 : : struct iovec *fused_iovs;
101 : :
102 : : /** Number of iovecs in iovs array. */
103 : : int fused_iovcnt;
104 : :
105 : : /** Current iovec position. */
106 : : int fused_iovpos;
107 : :
108 : : /** I/O path the current I/O or admin passthrough is submitted on, or the I/O path
109 : : * being reset in a reset I/O.
110 : : */
111 : : struct nvme_io_path *io_path;
112 : :
113 : : /** Saved status for admin passthru completion event, PI error verification, or intermediate compare-and-write status */
114 : : struct spdk_nvme_cpl cpl;
115 : :
116 : : /** Extended IO opts passed by the user to bdev layer and mapped to NVME format */
117 : : struct spdk_nvme_ns_cmd_ext_io_opts ext_opts;
118 : :
119 : : /** Keeps track if first of fused commands was submitted */
120 : : bool first_fused_submitted;
121 : :
122 : : /** Keeps track if first of fused commands was completed */
123 : : bool first_fused_completed;
124 : :
125 : : /* How many times the current I/O was retried. */
126 : : int32_t retry_count;
127 : :
128 : : /** Expiration value in ticks to retry the current I/O. */
129 : : uint64_t retry_ticks;
130 : :
131 : : /** Temporary pointer to zone report buffer */
132 : : struct spdk_nvme_zns_zone_report *zone_report_buf;
133 : :
134 : : /** Keep track of how many zones that have been copied to the spdk_bdev_zone_info struct */
135 : : uint64_t handled_zones;
136 : :
137 : : /* Current tsc at submit time. */
138 : : uint64_t submit_tsc;
139 : :
140 : : /* Used to put nvme_bdev_io into the list */
141 : : TAILQ_ENTRY(nvme_bdev_io) retry_link;
142 : : };
143 : :
144 : : struct nvme_probe_skip_entry {
145 : : struct spdk_nvme_transport_id trid;
146 : : TAILQ_ENTRY(nvme_probe_skip_entry) tailq;
147 : : };
148 : : /* All the controllers deleted by users via RPC are skipped by hotplug monitor */
149 : : static TAILQ_HEAD(, nvme_probe_skip_entry) g_skipped_nvme_ctrlrs = TAILQ_HEAD_INITIALIZER(
150 : : g_skipped_nvme_ctrlrs);
151 : :
152 : : #define BDEV_NVME_DEFAULT_DIGESTS (SPDK_BIT(SPDK_NVMF_DHCHAP_HASH_SHA256) | \
153 : : SPDK_BIT(SPDK_NVMF_DHCHAP_HASH_SHA384) | \
154 : : SPDK_BIT(SPDK_NVMF_DHCHAP_HASH_SHA512))
155 : :
156 : : #define BDEV_NVME_DEFAULT_DHGROUPS (SPDK_BIT(SPDK_NVMF_DHCHAP_DHGROUP_NULL) | \
157 : : SPDK_BIT(SPDK_NVMF_DHCHAP_DHGROUP_2048) | \
158 : : SPDK_BIT(SPDK_NVMF_DHCHAP_DHGROUP_3072) | \
159 : : SPDK_BIT(SPDK_NVMF_DHCHAP_DHGROUP_4096) | \
160 : : SPDK_BIT(SPDK_NVMF_DHCHAP_DHGROUP_6144) | \
161 : : SPDK_BIT(SPDK_NVMF_DHCHAP_DHGROUP_8192))
162 : :
163 : : static struct spdk_bdev_nvme_opts g_opts = {
164 : : .action_on_timeout = SPDK_BDEV_NVME_TIMEOUT_ACTION_NONE,
165 : : .timeout_us = 0,
166 : : .timeout_admin_us = 0,
167 : : .keep_alive_timeout_ms = SPDK_BDEV_NVME_DEFAULT_KEEP_ALIVE_TIMEOUT_IN_MS,
168 : : .transport_retry_count = 4,
169 : : .arbitration_burst = 0,
170 : : .low_priority_weight = 0,
171 : : .medium_priority_weight = 0,
172 : : .high_priority_weight = 0,
173 : : .nvme_adminq_poll_period_us = 10000ULL,
174 : : .nvme_ioq_poll_period_us = 0,
175 : : .io_queue_requests = 0,
176 : : .delay_cmd_submit = SPDK_BDEV_NVME_DEFAULT_DELAY_CMD_SUBMIT,
177 : : .bdev_retry_count = 3,
178 : : .transport_ack_timeout = 0,
179 : : .ctrlr_loss_timeout_sec = 0,
180 : : .reconnect_delay_sec = 0,
181 : : .fast_io_fail_timeout_sec = 0,
182 : : .disable_auto_failback = false,
183 : : .generate_uuids = false,
184 : : .transport_tos = 0,
185 : : .nvme_error_stat = false,
186 : : .io_path_stat = false,
187 : : .allow_accel_sequence = false,
188 : : .dhchap_digests = BDEV_NVME_DEFAULT_DIGESTS,
189 : : .dhchap_dhgroups = BDEV_NVME_DEFAULT_DHGROUPS,
190 : : };
191 : :
192 : : #define NVME_HOTPLUG_POLL_PERIOD_MAX 10000000ULL
193 : : #define NVME_HOTPLUG_POLL_PERIOD_DEFAULT 100000ULL
194 : :
195 : : static int g_hot_insert_nvme_controller_index = 0;
196 : : static uint64_t g_nvme_hotplug_poll_period_us = NVME_HOTPLUG_POLL_PERIOD_DEFAULT;
197 : : static bool g_nvme_hotplug_enabled = false;
198 : : struct spdk_thread *g_bdev_nvme_init_thread;
199 : : static struct spdk_poller *g_hotplug_poller;
200 : : static struct spdk_poller *g_hotplug_probe_poller;
201 : : static struct spdk_nvme_probe_ctx *g_hotplug_probe_ctx;
202 : :
203 : : static void nvme_ctrlr_populate_namespaces(struct nvme_ctrlr *nvme_ctrlr,
204 : : struct nvme_async_probe_ctx *ctx);
205 : : static void nvme_ctrlr_populate_namespaces_done(struct nvme_ctrlr *nvme_ctrlr,
206 : : struct nvme_async_probe_ctx *ctx);
207 : : static int bdev_nvme_library_init(void);
208 : : static void bdev_nvme_library_fini(void);
209 : : static void _bdev_nvme_submit_request(struct nvme_bdev_channel *nbdev_ch,
210 : : struct spdk_bdev_io *bdev_io);
211 : : static void bdev_nvme_submit_request(struct spdk_io_channel *ch,
212 : : struct spdk_bdev_io *bdev_io);
213 : : static int bdev_nvme_readv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
214 : : void *md, uint64_t lba_count, uint64_t lba,
215 : : uint32_t flags, struct spdk_memory_domain *domain, void *domain_ctx,
216 : : struct spdk_accel_sequence *seq);
217 : : static int bdev_nvme_no_pi_readv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
218 : : void *md, uint64_t lba_count, uint64_t lba);
219 : : static int bdev_nvme_writev(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
220 : : void *md, uint64_t lba_count, uint64_t lba,
221 : : uint32_t flags, struct spdk_memory_domain *domain, void *domain_ctx,
222 : : struct spdk_accel_sequence *seq,
223 : : union spdk_bdev_nvme_cdw12 cdw12, union spdk_bdev_nvme_cdw13 cdw13);
224 : : static int bdev_nvme_zone_appendv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
225 : : void *md, uint64_t lba_count,
226 : : uint64_t zslba, uint32_t flags);
227 : : static int bdev_nvme_comparev(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
228 : : void *md, uint64_t lba_count, uint64_t lba,
229 : : uint32_t flags);
230 : : static int bdev_nvme_comparev_and_writev(struct nvme_bdev_io *bio,
231 : : struct iovec *cmp_iov, int cmp_iovcnt, struct iovec *write_iov,
232 : : int write_iovcnt, void *md, uint64_t lba_count, uint64_t lba,
233 : : uint32_t flags);
234 : : static int bdev_nvme_get_zone_info(struct nvme_bdev_io *bio, uint64_t zone_id,
235 : : uint32_t num_zones, struct spdk_bdev_zone_info *info);
236 : : static int bdev_nvme_zone_management(struct nvme_bdev_io *bio, uint64_t zone_id,
237 : : enum spdk_bdev_zone_action action);
238 : : static void bdev_nvme_admin_passthru(struct nvme_bdev_channel *nbdev_ch,
239 : : struct nvme_bdev_io *bio,
240 : : struct spdk_nvme_cmd *cmd, void *buf, size_t nbytes);
241 : : static int bdev_nvme_io_passthru(struct nvme_bdev_io *bio, struct spdk_nvme_cmd *cmd,
242 : : void *buf, size_t nbytes);
243 : : static int bdev_nvme_io_passthru_md(struct nvme_bdev_io *bio, struct spdk_nvme_cmd *cmd,
244 : : void *buf, size_t nbytes, void *md_buf, size_t md_len);
245 : : static int bdev_nvme_iov_passthru_md(struct nvme_bdev_io *bio, struct spdk_nvme_cmd *cmd,
246 : : struct iovec *iov, int iovcnt, size_t nbytes,
247 : : void *md_buf, size_t md_len);
248 : : static void bdev_nvme_abort(struct nvme_bdev_channel *nbdev_ch,
249 : : struct nvme_bdev_io *bio, struct nvme_bdev_io *bio_to_abort);
250 : : static void bdev_nvme_reset_io(struct nvme_bdev *nbdev, struct nvme_bdev_io *bio);
251 : : static int bdev_nvme_reset_ctrlr(struct nvme_ctrlr *nvme_ctrlr);
252 : : static int bdev_nvme_failover_ctrlr(struct nvme_ctrlr *nvme_ctrlr);
253 : : static void remove_cb(void *cb_ctx, struct spdk_nvme_ctrlr *ctrlr);
254 : : static int nvme_ctrlr_read_ana_log_page(struct nvme_ctrlr *nvme_ctrlr);
255 : :
256 : : static struct nvme_ns *nvme_ns_alloc(void);
257 : : static void nvme_ns_free(struct nvme_ns *ns);
258 : :
259 : : static int
260 : 1904 : nvme_ns_cmp(struct nvme_ns *ns1, struct nvme_ns *ns2)
261 : : {
262 [ + + + - : 1904 : return ns1->id < ns2->id ? -1 : ns1->id > ns2->id;
+ - + - -
+ + - + -
+ - + - ]
263 : : }
264 : :
265 [ + + + + : 22053 : RB_GENERATE_STATIC(nvme_ns_tree, nvme_ns, node, nvme_ns_cmp);
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266 : :
267 : : struct spdk_nvme_qpair *
268 : 3 : bdev_nvme_get_io_qpair(struct spdk_io_channel *ctrlr_io_ch)
269 : : {
270 : : struct nvme_ctrlr_channel *ctrlr_ch;
271 : :
272 [ - + # # ]: 3 : assert(ctrlr_io_ch != NULL);
273 : :
274 : 3 : ctrlr_ch = spdk_io_channel_get_ctx(ctrlr_io_ch);
275 : :
276 [ # # # # : 3 : return ctrlr_ch->qpair->qpair;
# # # # ]
277 : : }
278 : :
279 : : static int
280 : 1944 : bdev_nvme_get_ctx_size(void)
281 : : {
282 : 1944 : return sizeof(struct nvme_bdev_io);
283 : : }
284 : :
285 : : static struct spdk_bdev_module nvme_if = {
286 : : .name = "nvme",
287 : : .async_fini = true,
288 : : .module_init = bdev_nvme_library_init,
289 : : .module_fini = bdev_nvme_library_fini,
290 : : .config_json = bdev_nvme_config_json,
291 : : .get_ctx_size = bdev_nvme_get_ctx_size,
292 : :
293 : : };
294 : 2131 : SPDK_BDEV_MODULE_REGISTER(nvme, &nvme_if)
295 : :
296 : : struct nvme_bdev_ctrlrs g_nvme_bdev_ctrlrs = TAILQ_HEAD_INITIALIZER(g_nvme_bdev_ctrlrs);
297 : : pthread_mutex_t g_bdev_nvme_mutex = PTHREAD_MUTEX_INITIALIZER;
298 : : bool g_bdev_nvme_module_finish;
299 : :
300 : : struct nvme_bdev_ctrlr *
301 : 47740 : nvme_bdev_ctrlr_get_by_name(const char *name)
302 : : {
303 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
304 : :
305 [ + + # # : 49683 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
306 [ + + + + : 42405 : if (strcmp(name, nbdev_ctrlr->name) == 0) {
+ + + - -
+ ]
307 : 40462 : break;
308 : : }
309 : 0 : }
310 : :
311 : 47740 : return nbdev_ctrlr;
312 : : }
313 : :
314 : : static struct nvme_ctrlr *
315 : 679 : nvme_bdev_ctrlr_get_ctrlr(struct nvme_bdev_ctrlr *nbdev_ctrlr,
316 : : const struct spdk_nvme_transport_id *trid, const char *hostnqn)
317 : : {
318 : : const struct spdk_nvme_ctrlr_opts *opts;
319 : : struct nvme_ctrlr *nvme_ctrlr;
320 : :
321 [ + + # # : 1304 : TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
322 [ # # # # ]: 727 : opts = spdk_nvme_ctrlr_get_opts(nvme_ctrlr->ctrlr);
323 [ + + # # : 727 : if (spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->active_path_id->trid) == 0 &&
# # # # #
# ]
324 [ + + - + : 105 : strcmp(hostnqn, opts->hostnqn) == 0) {
+ + ]
325 : 102 : break;
326 : : }
327 : 0 : }
328 : :
329 : 679 : return nvme_ctrlr;
330 : : }
331 : :
332 : : struct nvme_ctrlr *
333 : 0 : nvme_bdev_ctrlr_get_ctrlr_by_id(struct nvme_bdev_ctrlr *nbdev_ctrlr,
334 : : uint16_t cntlid)
335 : : {
336 : : struct nvme_ctrlr *nvme_ctrlr;
337 : : const struct spdk_nvme_ctrlr_data *cdata;
338 : :
339 [ # # # # : 0 : TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
340 [ # # # # ]: 0 : cdata = spdk_nvme_ctrlr_get_data(nvme_ctrlr->ctrlr);
341 [ # # # # : 0 : if (cdata->cntlid == cntlid) {
# # ]
342 : 0 : break;
343 : : }
344 : 0 : }
345 : :
346 : 0 : return nvme_ctrlr;
347 : : }
348 : :
349 : : static struct nvme_bdev *
350 : 1594 : nvme_bdev_ctrlr_get_bdev(struct nvme_bdev_ctrlr *nbdev_ctrlr, uint32_t nsid)
351 : : {
352 : : struct nvme_bdev *bdev;
353 : :
354 [ + + ]: 1594 : pthread_mutex_lock(&g_bdev_nvme_mutex);
355 [ + + + - : 1864 : TAILQ_FOREACH(bdev, &nbdev_ctrlr->bdevs, tailq) {
+ - + - #
# # # #
# ]
356 [ + + # # : 393 : if (bdev->nsid == nsid) {
# # ]
357 : 123 : break;
358 : : }
359 : 0 : }
360 [ + + ]: 1594 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
361 : :
362 : 1594 : return bdev;
363 : : }
364 : :
365 : : struct nvme_ns *
366 : 3273 : nvme_ctrlr_get_ns(struct nvme_ctrlr *nvme_ctrlr, uint32_t nsid)
367 : : {
368 : 1186 : struct nvme_ns ns;
369 : :
370 [ + + # # ]: 3273 : assert(nsid > 0);
371 : :
372 : 3273 : ns.id = nsid;
373 [ + - ]: 3273 : return RB_FIND(nvme_ns_tree, &nvme_ctrlr->namespaces, &ns);
374 : : }
375 : :
376 : : struct nvme_ns *
377 : 3608 : nvme_ctrlr_get_first_active_ns(struct nvme_ctrlr *nvme_ctrlr)
378 : : {
379 [ + - ]: 3608 : return RB_MIN(nvme_ns_tree, &nvme_ctrlr->namespaces);
380 : : }
381 : :
382 : : struct nvme_ns *
383 : 1598 : nvme_ctrlr_get_next_active_ns(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *ns)
384 : : {
385 [ - + ]: 1598 : if (ns == NULL) {
386 : 0 : return NULL;
387 : : }
388 : :
389 : 1598 : return RB_NEXT(nvme_ns_tree, &nvme_ctrlr->namespaces, ns);
390 : 1 : }
391 : :
392 : : static struct nvme_ctrlr *
393 : 1725 : nvme_ctrlr_get(const struct spdk_nvme_transport_id *trid, const char *hostnqn)
394 : : {
395 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
396 : 1725 : struct nvme_ctrlr *nvme_ctrlr = NULL;
397 : :
398 [ + + ]: 1725 : pthread_mutex_lock(&g_bdev_nvme_mutex);
399 [ + + # # : 2284 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
400 : 559 : nvme_ctrlr = nvme_bdev_ctrlr_get_ctrlr(nbdev_ctrlr, trid, hostnqn);
401 [ - + ]: 559 : if (nvme_ctrlr != NULL) {
402 : 0 : break;
403 : : }
404 : 0 : }
405 [ + + ]: 1725 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
406 : :
407 : 1725 : return nvme_ctrlr;
408 : : }
409 : :
410 : : struct nvme_ctrlr *
411 : 3519 : nvme_ctrlr_get_by_name(const char *name)
412 : : {
413 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
414 : 3519 : struct nvme_ctrlr *nvme_ctrlr = NULL;
415 : :
416 [ + + ]: 3519 : if (name == NULL) {
417 : 0 : return NULL;
418 : : }
419 : :
420 [ + + ]: 3519 : pthread_mutex_lock(&g_bdev_nvme_mutex);
421 : 3519 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
422 [ + + ]: 3519 : if (nbdev_ctrlr != NULL) {
423 [ + - + - : 285 : nvme_ctrlr = TAILQ_FIRST(&nbdev_ctrlr->ctrlrs);
+ - ]
424 : 1 : }
425 [ + + ]: 3519 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
426 : :
427 : 3519 : return nvme_ctrlr;
428 : 3 : }
429 : :
430 : : void
431 : 763 : nvme_bdev_ctrlr_for_each(nvme_bdev_ctrlr_for_each_fn fn, void *ctx)
432 : : {
433 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
434 : :
435 [ - + ]: 763 : pthread_mutex_lock(&g_bdev_nvme_mutex);
436 [ + + # # : 1481 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
437 [ # # # # ]: 718 : fn(nbdev_ctrlr, ctx);
438 : 0 : }
439 [ - + ]: 763 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
440 : 763 : }
441 : :
442 : : struct nvme_ctrlr_channel_iter {
443 : : nvme_ctrlr_for_each_channel_msg fn;
444 : : nvme_ctrlr_for_each_channel_done cpl;
445 : : struct spdk_io_channel_iter *i;
446 : : void *ctx;
447 : : };
448 : :
449 : : void
450 : 2404 : nvme_ctrlr_for_each_channel_continue(struct nvme_ctrlr_channel_iter *iter, int status)
451 : : {
452 [ # # # # ]: 2404 : spdk_for_each_channel_continue(iter->i, status);
453 : 2404 : }
454 : :
455 : : static void
456 : 2404 : nvme_ctrlr_each_channel_msg(struct spdk_io_channel_iter *i)
457 : : {
458 : 2404 : struct nvme_ctrlr_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
459 : 2404 : struct nvme_ctrlr *nvme_ctrlr = spdk_io_channel_iter_get_io_device(i);
460 : 2404 : struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
461 : 2404 : struct nvme_ctrlr_channel *ctrlr_ch = spdk_io_channel_get_ctx(ch);
462 : :
463 [ # # # # ]: 2404 : iter->i = i;
464 [ # # # # : 2404 : iter->fn(iter, nvme_ctrlr, ctrlr_ch, iter->ctx);
# # # # #
# # # ]
465 : 2404 : }
466 : :
467 : : static void
468 : 2318 : nvme_ctrlr_each_channel_cpl(struct spdk_io_channel_iter *i, int status)
469 : : {
470 : 2318 : struct nvme_ctrlr_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
471 : 2318 : struct nvme_ctrlr *nvme_ctrlr = spdk_io_channel_iter_get_io_device(i);
472 : :
473 [ # # # # ]: 2318 : iter->i = i;
474 [ # # # # : 2318 : iter->cpl(nvme_ctrlr, iter->ctx, status);
# # # # #
# # # ]
475 : :
476 : 2318 : free(iter);
477 : 2318 : }
478 : :
479 : : void
480 : 2318 : nvme_ctrlr_for_each_channel(struct nvme_ctrlr *nvme_ctrlr,
481 : : nvme_ctrlr_for_each_channel_msg fn, void *ctx,
482 : : nvme_ctrlr_for_each_channel_done cpl)
483 : : {
484 : : struct nvme_ctrlr_channel_iter *iter;
485 : :
486 [ + - + - ]: 2318 : assert(nvme_ctrlr != NULL && fn != NULL);
487 : :
488 : 2318 : iter = calloc(1, sizeof(struct nvme_ctrlr_channel_iter));
489 [ - + ]: 2318 : if (iter == NULL) {
490 : 0 : SPDK_ERRLOG("Unable to allocate iterator\n");
491 [ # # ]: 0 : assert(false);
492 : : return;
493 : : }
494 : :
495 [ # # # # ]: 2318 : iter->fn = fn;
496 [ # # # # ]: 2318 : iter->cpl = cpl;
497 [ # # # # ]: 2318 : iter->ctx = ctx;
498 : :
499 : 2318 : spdk_for_each_channel(nvme_ctrlr, nvme_ctrlr_each_channel_msg,
500 : 0 : iter, nvme_ctrlr_each_channel_cpl);
501 : 0 : }
502 : :
503 : : struct nvme_bdev_channel_iter {
504 : : nvme_bdev_for_each_channel_msg fn;
505 : : nvme_bdev_for_each_channel_done cpl;
506 : : struct spdk_io_channel_iter *i;
507 : : void *ctx;
508 : : };
509 : :
510 : : void
511 : 301 : nvme_bdev_for_each_channel_continue(struct nvme_bdev_channel_iter *iter, int status)
512 : : {
513 [ # # # # ]: 301 : spdk_for_each_channel_continue(iter->i, status);
514 : 301 : }
515 : :
516 : : static void
517 : 301 : nvme_bdev_each_channel_msg(struct spdk_io_channel_iter *i)
518 : : {
519 : 301 : struct nvme_bdev_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
520 : 301 : struct nvme_bdev *nbdev = spdk_io_channel_iter_get_io_device(i);
521 : 301 : struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
522 : 301 : struct nvme_bdev_channel *nbdev_ch = spdk_io_channel_get_ctx(ch);
523 : :
524 [ # # # # ]: 301 : iter->i = i;
525 [ # # # # : 301 : iter->fn(iter, nbdev, nbdev_ch, iter->ctx);
# # # # #
# # # ]
526 : 301 : }
527 : :
528 : : static void
529 : 296 : nvme_bdev_each_channel_cpl(struct spdk_io_channel_iter *i, int status)
530 : : {
531 : 296 : struct nvme_bdev_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
532 : 296 : struct nvme_bdev *nbdev = spdk_io_channel_iter_get_io_device(i);
533 : :
534 [ # # # # ]: 296 : iter->i = i;
535 [ # # # # : 296 : iter->cpl(nbdev, iter->ctx, status);
# # # # #
# # # ]
536 : :
537 : 296 : free(iter);
538 : 296 : }
539 : :
540 : : void
541 : 296 : nvme_bdev_for_each_channel(struct nvme_bdev *nbdev,
542 : : nvme_bdev_for_each_channel_msg fn, void *ctx,
543 : : nvme_bdev_for_each_channel_done cpl)
544 : : {
545 : : struct nvme_bdev_channel_iter *iter;
546 : :
547 [ + - + - ]: 296 : assert(nbdev != NULL && fn != NULL);
548 : :
549 : 296 : iter = calloc(1, sizeof(struct nvme_bdev_channel_iter));
550 [ - + ]: 296 : if (iter == NULL) {
551 : 0 : SPDK_ERRLOG("Unable to allocate iterator\n");
552 [ # # ]: 0 : assert(false);
553 : : return;
554 : : }
555 : :
556 [ # # # # ]: 296 : iter->fn = fn;
557 [ # # # # ]: 296 : iter->cpl = cpl;
558 [ # # # # ]: 296 : iter->ctx = ctx;
559 : :
560 : 296 : spdk_for_each_channel(nbdev, nvme_bdev_each_channel_msg, iter,
561 : : nvme_bdev_each_channel_cpl);
562 : 0 : }
563 : :
564 : : void
565 : 2179 : nvme_bdev_dump_trid_json(const struct spdk_nvme_transport_id *trid, struct spdk_json_write_ctx *w)
566 : : {
567 : : const char *trtype_str;
568 : : const char *adrfam_str;
569 : :
570 [ # # # # ]: 2179 : trtype_str = spdk_nvme_transport_id_trtype_str(trid->trtype);
571 [ + - ]: 2179 : if (trtype_str) {
572 : 2179 : spdk_json_write_named_string(w, "trtype", trtype_str);
573 : 0 : }
574 : :
575 [ # # # # ]: 2179 : adrfam_str = spdk_nvme_transport_id_adrfam_str(trid->adrfam);
576 [ + + ]: 2179 : if (adrfam_str) {
577 : 1152 : spdk_json_write_named_string(w, "adrfam", adrfam_str);
578 : 0 : }
579 : :
580 [ + - # # : 2179 : if (trid->traddr[0] != '\0') {
# # # # #
# ]
581 [ # # ]: 2179 : spdk_json_write_named_string(w, "traddr", trid->traddr);
582 : 0 : }
583 : :
584 [ + + # # : 2179 : if (trid->trsvcid[0] != '\0') {
# # # # #
# ]
585 [ # # ]: 1152 : spdk_json_write_named_string(w, "trsvcid", trid->trsvcid);
586 : 0 : }
587 : :
588 [ + + # # : 2179 : if (trid->subnqn[0] != '\0') {
# # # # #
# ]
589 [ # # ]: 1152 : spdk_json_write_named_string(w, "subnqn", trid->subnqn);
590 : 0 : }
591 : 2179 : }
592 : :
593 : : static void
594 : 1725 : nvme_bdev_ctrlr_delete(struct nvme_bdev_ctrlr *nbdev_ctrlr,
595 : : struct nvme_ctrlr *nvme_ctrlr)
596 : : {
597 : 516 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_delete, nvme_ctrlr->nbdev_ctrlr->name);
598 [ + + ]: 1725 : pthread_mutex_lock(&g_bdev_nvme_mutex);
599 : :
600 [ + + + - : 1725 : TAILQ_REMOVE(&nbdev_ctrlr->ctrlrs, nvme_ctrlr, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - ]
601 [ + + + - : 1725 : if (!TAILQ_EMPTY(&nbdev_ctrlr->ctrlrs)) {
+ - - + ]
602 [ - + ]: 58 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
603 : :
604 : 58 : return;
605 : : }
606 [ + + + - : 1667 : TAILQ_REMOVE(&g_nvme_bdev_ctrlrs, nbdev_ctrlr, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - ]
607 : :
608 [ + + ]: 1667 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
609 : :
610 [ + + + - : 1667 : assert(TAILQ_EMPTY(&nbdev_ctrlr->bdevs));
+ - + - #
# ]
611 : :
612 [ + - + - ]: 1667 : free(nbdev_ctrlr->name);
613 : 1667 : free(nbdev_ctrlr);
614 : 1 : }
615 : :
616 : : static void
617 : 1728 : _nvme_ctrlr_delete(struct nvme_ctrlr *nvme_ctrlr)
618 : : {
619 : : struct nvme_path_id *path_id, *tmp_path;
620 : : struct nvme_ns *ns, *tmp_ns;
621 : :
622 [ + - + - ]: 1728 : free(nvme_ctrlr->copied_ana_desc);
623 [ + - + - ]: 1728 : spdk_free(nvme_ctrlr->ana_log_page);
624 : :
625 [ + + + - : 1728 : if (nvme_ctrlr->opal_dev) {
+ - ]
626 [ # # # # ]: 32 : spdk_opal_dev_destruct(nvme_ctrlr->opal_dev);
627 [ # # # # ]: 32 : nvme_ctrlr->opal_dev = NULL;
628 : 0 : }
629 : :
630 [ + + + - : 1728 : if (nvme_ctrlr->nbdev_ctrlr) {
- + ]
631 [ + - + - ]: 1725 : nvme_bdev_ctrlr_delete(nvme_ctrlr->nbdev_ctrlr, nvme_ctrlr);
632 : 1 : }
633 : :
634 [ + + + - : 1728 : RB_FOREACH_SAFE(ns, nvme_ns_tree, &nvme_ctrlr->namespaces, tmp_ns) {
- + ]
635 [ # # ]: 0 : RB_REMOVE(nvme_ns_tree, &nvme_ctrlr->namespaces, ns);
636 : 0 : nvme_ns_free(ns);
637 : 0 : }
638 : :
639 [ + + + - : 3464 : TAILQ_FOREACH_SAFE(path_id, &nvme_ctrlr->trids, link, tmp_path) {
+ - + + +
- + - + -
+ + ]
640 [ + + + - : 1736 : TAILQ_REMOVE(&nvme_ctrlr->trids, path_id, link);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - ]
641 : 1736 : free(path_id);
642 : 1 : }
643 : :
644 [ + + + - ]: 1728 : pthread_mutex_destroy(&nvme_ctrlr->mutex);
645 [ + - + - ]: 1728 : spdk_keyring_put_key(nvme_ctrlr->psk);
646 [ + - + - ]: 1728 : spdk_keyring_put_key(nvme_ctrlr->dhchap_key);
647 [ + - + - ]: 1728 : spdk_keyring_put_key(nvme_ctrlr->dhchap_ctrlr_key);
648 : 1728 : free(nvme_ctrlr);
649 : :
650 [ + + ]: 1728 : pthread_mutex_lock(&g_bdev_nvme_mutex);
651 [ + + + + : 1728 : if (g_bdev_nvme_module_finish && TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
+ + ]
652 [ + + ]: 545 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
653 : 545 : spdk_io_device_unregister(&g_nvme_bdev_ctrlrs, NULL);
654 : 545 : spdk_bdev_module_fini_done();
655 : 545 : return;
656 : : }
657 [ - + ]: 1183 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
658 : 1 : }
659 : :
660 : : static int
661 : 211605 : nvme_detach_poller(void *arg)
662 : : {
663 : 211605 : struct nvme_ctrlr *nvme_ctrlr = arg;
664 : : int rc;
665 : :
666 [ + - + - ]: 211605 : rc = spdk_nvme_detach_poll_async(nvme_ctrlr->detach_ctx);
667 [ + + ]: 211605 : if (rc != -EAGAIN) {
668 [ + - ]: 1728 : spdk_poller_unregister(&nvme_ctrlr->reset_detach_poller);
669 : 1728 : _nvme_ctrlr_delete(nvme_ctrlr);
670 : 1 : }
671 : :
672 : 211605 : return SPDK_POLLER_BUSY;
673 : : }
674 : :
675 : : static void
676 : 1728 : nvme_ctrlr_delete(struct nvme_ctrlr *nvme_ctrlr)
677 : : {
678 : : int rc;
679 : :
680 [ + - ]: 1728 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
681 : :
682 [ + + ]: 1728 : if (spdk_interrupt_mode_is_enabled()) {
683 [ # # ]: 0 : spdk_interrupt_unregister(&nvme_ctrlr->intr);
684 : 0 : }
685 : :
686 : : /* First, unregister the adminq poller, as the driver will poll adminq if necessary */
687 [ + - ]: 1728 : spdk_poller_unregister(&nvme_ctrlr->adminq_timer_poller);
688 : :
689 : : /* If we got here, the reset/detach poller cannot be active */
690 [ + + + - : 1728 : assert(nvme_ctrlr->reset_detach_poller == NULL);
+ - # # ]
691 [ + - + - ]: 1728 : nvme_ctrlr->reset_detach_poller = SPDK_POLLER_REGISTER(nvme_detach_poller,
692 : : nvme_ctrlr, 1000);
693 [ + + + - : 1728 : if (nvme_ctrlr->reset_detach_poller == NULL) {
+ - ]
694 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to register detach poller\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
695 : 0 : goto error;
696 : : }
697 : :
698 [ + - + - : 1728 : rc = spdk_nvme_detach_async(nvme_ctrlr->ctrlr, &nvme_ctrlr->detach_ctx);
+ - ]
699 [ - + ]: 1728 : if (rc != 0) {
700 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to detach the NVMe controller\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
701 : 0 : goto error;
702 : : }
703 : :
704 : 1728 : return;
705 : 0 : error:
706 : : /* We don't have a good way to handle errors here, so just do what we can and delete the
707 : : * controller without detaching the underlying NVMe device.
708 : : */
709 [ # # ]: 0 : spdk_poller_unregister(&nvme_ctrlr->reset_detach_poller);
710 : 0 : _nvme_ctrlr_delete(nvme_ctrlr);
711 : 1 : }
712 : :
713 : : static void
714 : 1725 : nvme_ctrlr_unregister_cb(void *io_device)
715 : : {
716 : 1725 : struct nvme_ctrlr *nvme_ctrlr = io_device;
717 : :
718 : 1725 : nvme_ctrlr_delete(nvme_ctrlr);
719 : 1725 : }
720 : :
721 : : static void
722 : 1725 : nvme_ctrlr_unregister(void *ctx)
723 : : {
724 : 1725 : struct nvme_ctrlr *nvme_ctrlr = ctx;
725 : :
726 : 1725 : spdk_io_device_unregister(nvme_ctrlr, nvme_ctrlr_unregister_cb);
727 : 1725 : }
728 : :
729 : : static bool
730 : 8063 : nvme_ctrlr_can_be_unregistered(struct nvme_ctrlr *nvme_ctrlr)
731 : : {
732 [ + + + + ]: 8063 : if (!nvme_ctrlr->destruct) {
733 : 4745 : return false;
734 : : }
735 : :
736 [ + + + - : 3318 : if (nvme_ctrlr->ref > 0) {
+ + ]
737 : 1578 : return false;
738 : : }
739 : :
740 [ + + - + ]: 1740 : if (nvme_ctrlr->resetting) {
741 : 15 : return false;
742 : : }
743 : :
744 [ + + - + ]: 1725 : if (nvme_ctrlr->ana_log_page_updating) {
745 : 0 : return false;
746 : : }
747 : :
748 [ - + - + ]: 1725 : if (nvme_ctrlr->io_path_cache_clearing) {
749 : 0 : return false;
750 : : }
751 : :
752 : 1725 : return true;
753 : 3 : }
754 : :
755 : : static void
756 : 5731 : nvme_ctrlr_put_ref(struct nvme_ctrlr *nvme_ctrlr)
757 : : {
758 [ + + + - ]: 5731 : pthread_mutex_lock(&nvme_ctrlr->mutex);
759 : 1553 : SPDK_DTRACE_PROBE2(bdev_nvme_ctrlr_release, nvme_ctrlr->nbdev_ctrlr->name, nvme_ctrlr->ref);
760 : :
761 [ + + + - : 5731 : assert(nvme_ctrlr->ref > 0);
+ - # # ]
762 [ + - + - ]: 5731 : nvme_ctrlr->ref--;
763 : :
764 [ + + ]: 5731 : if (!nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
765 [ + + + - ]: 4021 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
766 : 4021 : return;
767 : : }
768 : :
769 [ + + + - ]: 1710 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
770 : :
771 [ + - + - ]: 1710 : spdk_thread_exec_msg(nvme_ctrlr->thread, nvme_ctrlr_unregister, nvme_ctrlr);
772 : 3 : }
773 : :
774 : : static void
775 : 3978 : nvme_ctrlr_get_ref(struct nvme_ctrlr *nvme_ctrlr)
776 : : {
777 [ + + + - ]: 3978 : pthread_mutex_lock(&nvme_ctrlr->mutex);
778 [ + - + - ]: 3978 : nvme_ctrlr->ref++;
779 [ + + + - ]: 3978 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
780 : 3978 : }
781 : :
782 : : static void
783 : 414576 : bdev_nvme_clear_current_io_path(struct nvme_bdev_channel *nbdev_ch)
784 : : {
785 [ + - + - ]: 414576 : nbdev_ch->current_io_path = NULL;
786 [ + - + - ]: 414576 : nbdev_ch->rr_counter = 0;
787 : 414576 : }
788 : :
789 : : static struct nvme_io_path *
790 : 24 : _bdev_nvme_get_io_path(struct nvme_bdev_channel *nbdev_ch, struct nvme_ns *nvme_ns)
791 : : {
792 : : struct nvme_io_path *io_path;
793 : :
794 [ + + # # : 48 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
795 [ + + # # : 45 : if (io_path->nvme_ns == nvme_ns) {
# # ]
796 : 21 : break;
797 : : }
798 : 0 : }
799 : :
800 : 24 : return io_path;
801 : : }
802 : :
803 : : static struct nvme_io_path *
804 : 2521 : nvme_io_path_alloc(void)
805 : : {
806 : : struct nvme_io_path *io_path;
807 : :
808 : 2521 : io_path = calloc(1, sizeof(*io_path));
809 [ + + ]: 2521 : if (io_path == NULL) {
810 : 0 : SPDK_ERRLOG("Failed to alloc io_path.\n");
811 : 0 : return NULL;
812 : : }
813 : :
814 [ + + + + : 2521 : if (g_opts.io_path_stat) {
+ - ]
815 [ # # # # ]: 0 : io_path->stat = calloc(1, sizeof(struct spdk_bdev_io_stat));
816 [ # # # # : 0 : if (io_path->stat == NULL) {
# # ]
817 : 0 : free(io_path);
818 : 0 : SPDK_ERRLOG("Failed to alloc io_path stat.\n");
819 : 0 : return NULL;
820 : : }
821 [ # # # # ]: 0 : spdk_bdev_reset_io_stat(io_path->stat, SPDK_BDEV_RESET_STAT_MAXMIN);
822 : 0 : }
823 : :
824 : 2521 : return io_path;
825 : 1 : }
826 : :
827 : : static void
828 : 2521 : nvme_io_path_free(struct nvme_io_path *io_path)
829 : : {
830 [ + - + - ]: 2521 : free(io_path->stat);
831 : 2521 : free(io_path);
832 : 2521 : }
833 : :
834 : : static int
835 : 2521 : _bdev_nvme_add_io_path(struct nvme_bdev_channel *nbdev_ch, struct nvme_ns *nvme_ns)
836 : : {
837 : : struct nvme_io_path *io_path;
838 : : struct spdk_io_channel *ch;
839 : : struct nvme_ctrlr_channel *ctrlr_ch;
840 : : struct nvme_qpair *nvme_qpair;
841 : :
842 : 2521 : io_path = nvme_io_path_alloc();
843 [ + + ]: 2521 : if (io_path == NULL) {
844 : 0 : return -ENOMEM;
845 : : }
846 : :
847 [ + - + - ]: 2521 : io_path->nvme_ns = nvme_ns;
848 : :
849 [ + - + - ]: 2521 : ch = spdk_get_io_channel(nvme_ns->ctrlr);
850 [ + + ]: 2521 : if (ch == NULL) {
851 : 0 : nvme_io_path_free(io_path);
852 : 0 : SPDK_ERRLOG("Failed to alloc io_channel.\n");
853 : 0 : return -ENOMEM;
854 : : }
855 : :
856 : 2521 : ctrlr_ch = spdk_io_channel_get_ctx(ch);
857 : :
858 [ + - + - ]: 2521 : nvme_qpair = ctrlr_ch->qpair;
859 [ + + # # ]: 2521 : assert(nvme_qpair != NULL);
860 : :
861 [ + - + - ]: 2521 : io_path->qpair = nvme_qpair;
862 [ + - + - : 2521 : TAILQ_INSERT_TAIL(&nvme_qpair->io_path_list, io_path, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
863 : :
864 [ + - + - ]: 2521 : io_path->nbdev_ch = nbdev_ch;
865 [ + - + - : 2521 : STAILQ_INSERT_TAIL(&nbdev_ch->io_path_list, io_path, stailq);
+ - + - +
- + - + -
+ - + - +
- + - +
- ]
866 : :
867 : 2521 : bdev_nvme_clear_current_io_path(nbdev_ch);
868 : :
869 : 2521 : return 0;
870 : 1 : }
871 : :
872 : : static void
873 : 2521 : bdev_nvme_clear_retry_io_path(struct nvme_bdev_channel *nbdev_ch,
874 : : struct nvme_io_path *io_path)
875 : : {
876 : : struct nvme_bdev_io *bio;
877 : :
878 [ + + + - : 2524 : TAILQ_FOREACH(bio, &nbdev_ch->retry_io_list, retry_link) {
+ - + - #
# # # #
# ]
879 [ + - # # : 3 : if (bio->io_path == io_path) {
# # ]
880 [ # # # # ]: 3 : bio->io_path = NULL;
881 : 0 : }
882 : 0 : }
883 : 2521 : }
884 : :
885 : : static void
886 : 2521 : _bdev_nvme_delete_io_path(struct nvme_bdev_channel *nbdev_ch, struct nvme_io_path *io_path)
887 : : {
888 : : struct spdk_io_channel *ch;
889 : : struct nvme_qpair *nvme_qpair;
890 : : struct nvme_ctrlr_channel *ctrlr_ch;
891 : : struct nvme_bdev *nbdev;
892 : :
893 : 2521 : nbdev = spdk_io_channel_get_io_device(spdk_io_channel_from_ctx(nbdev_ch));
894 : :
895 : : /* Add the statistics to nvme_ns before this path is destroyed. */
896 [ + + + - ]: 2521 : pthread_mutex_lock(&nbdev->mutex);
897 [ + + + + : 2521 : if (nbdev->ref != 0 && io_path->nvme_ns->stat != NULL && io_path->stat != NULL) {
+ - + - +
- + - + -
- + # # #
# # # ]
898 [ # # # # : 0 : spdk_bdev_add_io_stat(io_path->nvme_ns->stat, io_path->stat);
# # # # #
# # # ]
899 : 0 : }
900 [ + + + - ]: 2521 : pthread_mutex_unlock(&nbdev->mutex);
901 : :
902 : 2521 : bdev_nvme_clear_current_io_path(nbdev_ch);
903 : 2521 : bdev_nvme_clear_retry_io_path(nbdev_ch, io_path);
904 : :
905 [ + + + + : 2521 : STAILQ_REMOVE(&nbdev_ch->io_path_list, io_path, nvme_io_path, stailq);
+ + + + +
- + - + -
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
906 [ + - + - ]: 2521 : io_path->nbdev_ch = NULL;
907 : :
908 [ + - + - ]: 2521 : nvme_qpair = io_path->qpair;
909 [ + + # # ]: 2521 : assert(nvme_qpair != NULL);
910 : :
911 [ + - + - ]: 2521 : ctrlr_ch = nvme_qpair->ctrlr_ch;
912 [ + + # # ]: 2521 : assert(ctrlr_ch != NULL);
913 : :
914 : 2521 : ch = spdk_io_channel_from_ctx(ctrlr_ch);
915 : 2521 : spdk_put_io_channel(ch);
916 : :
917 : : /* After an io_path is removed, I/Os submitted to it may complete and update statistics
918 : : * of the io_path. To avoid heap-use-after-free error from this case, do not free the
919 : : * io_path here but free the io_path when the associated qpair is freed. It is ensured
920 : : * that all I/Os submitted to the io_path are completed when the associated qpair is freed.
921 : : */
922 : 2521 : }
923 : :
924 : : static void
925 : 2476 : _bdev_nvme_delete_io_paths(struct nvme_bdev_channel *nbdev_ch)
926 : : {
927 : : struct nvme_io_path *io_path, *tmp_io_path;
928 : :
929 [ + + + - : 4991 : STAILQ_FOREACH_SAFE(io_path, &nbdev_ch->io_path_list, stailq, tmp_io_path) {
+ - + + +
- + - + -
+ + ]
930 : 2515 : _bdev_nvme_delete_io_path(nbdev_ch, io_path);
931 : 1 : }
932 : 2476 : }
933 : :
934 : : static int
935 : 2476 : bdev_nvme_create_bdev_channel_cb(void *io_device, void *ctx_buf)
936 : : {
937 : 2476 : struct nvme_bdev_channel *nbdev_ch = ctx_buf;
938 : 2476 : struct nvme_bdev *nbdev = io_device;
939 : : struct nvme_ns *nvme_ns;
940 : : int rc;
941 : :
942 [ + - + - : 2476 : STAILQ_INIT(&nbdev_ch->io_path_list);
+ - + - +
- + - + -
+ - ]
943 [ + - + - : 2476 : TAILQ_INIT(&nbdev_ch->retry_io_list);
+ - + - +
- + - + -
+ - ]
944 : :
945 [ + + + - ]: 2476 : pthread_mutex_lock(&nbdev->mutex);
946 : :
947 [ + - + - : 2476 : nbdev_ch->mp_policy = nbdev->mp_policy;
+ - + - ]
948 [ + - + - : 2476 : nbdev_ch->mp_selector = nbdev->mp_selector;
+ - + - ]
949 [ + - + - : 2476 : nbdev_ch->rr_min_io = nbdev->rr_min_io;
+ - + - ]
950 : :
951 [ + + + - : 4991 : TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
+ - + + +
- + - +
- ]
952 : 2515 : rc = _bdev_nvme_add_io_path(nbdev_ch, nvme_ns);
953 [ + + ]: 2515 : if (rc != 0) {
954 [ # # # # ]: 0 : pthread_mutex_unlock(&nbdev->mutex);
955 : :
956 : 0 : _bdev_nvme_delete_io_paths(nbdev_ch);
957 : 0 : return rc;
958 : : }
959 : 1 : }
960 [ + + + - ]: 2476 : pthread_mutex_unlock(&nbdev->mutex);
961 : :
962 : 2476 : return 0;
963 : 1 : }
964 : :
965 : : /* If cpl != NULL, complete the bdev_io with nvme status based on 'cpl'.
966 : : * If cpl == NULL, complete the bdev_io with bdev status based on 'status'.
967 : : */
968 : : static inline void
969 : 45429039 : __bdev_nvme_io_complete(struct spdk_bdev_io *bdev_io, enum spdk_bdev_io_status status,
970 : : const struct spdk_nvme_cpl *cpl)
971 : : {
972 [ + + + + : 45429039 : spdk_trace_record(TRACE_BDEV_NVME_IO_DONE, 0, 0, (uintptr_t)bdev_io->driver_ctx,
+ - + - +
- + - + -
- + # # ]
973 : : (uintptr_t)bdev_io);
974 [ + + ]: 45429039 : if (cpl) {
975 [ + - + - : 42837487 : spdk_bdev_io_complete_nvme_status(bdev_io, cpl->cdw0, cpl->status.sct, cpl->status.sc);
+ - + - +
- + - + -
+ - ]
976 : 3 : } else {
977 : 2591552 : spdk_bdev_io_complete(bdev_io, status);
978 : : }
979 : 45429039 : }
980 : :
981 : : static void bdev_nvme_abort_retry_ios(struct nvme_bdev_channel *nbdev_ch);
982 : :
983 : : static void
984 : 2476 : bdev_nvme_destroy_bdev_channel_cb(void *io_device, void *ctx_buf)
985 : : {
986 : 2476 : struct nvme_bdev_channel *nbdev_ch = ctx_buf;
987 : :
988 : 2476 : bdev_nvme_abort_retry_ios(nbdev_ch);
989 : 2476 : _bdev_nvme_delete_io_paths(nbdev_ch);
990 : 2476 : }
991 : :
992 : : static inline bool
993 : 45840702 : bdev_nvme_io_type_is_admin(enum spdk_bdev_io_type io_type)
994 : : {
995 [ + + ]: 45840702 : switch (io_type) {
996 : 138 : case SPDK_BDEV_IO_TYPE_RESET:
997 : : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
998 : : case SPDK_BDEV_IO_TYPE_ABORT:
999 : 138 : return true;
1000 : 45840561 : default:
1001 : 45840564 : break;
1002 : : }
1003 : :
1004 : 45840564 : return false;
1005 : 3 : }
1006 : :
1007 : : static inline bool
1008 : 10089943 : nvme_ns_is_active(struct nvme_ns *nvme_ns)
1009 : : {
1010 [ + + + + : 10089943 : if (spdk_unlikely(nvme_ns->ana_state_updating)) {
+ - - + ]
1011 : 3484 : return false;
1012 : : }
1013 : :
1014 [ + + + - : 10086459 : if (spdk_unlikely(nvme_ns->ns == NULL)) {
- + ]
1015 : 0 : return false;
1016 : : }
1017 : :
1018 : 10086459 : return true;
1019 : 1 : }
1020 : :
1021 : : static inline bool
1022 : 10089907 : nvme_ns_is_accessible(struct nvme_ns *nvme_ns)
1023 : : {
1024 [ + + ]: 10089907 : if (spdk_unlikely(!nvme_ns_is_active(nvme_ns))) {
1025 : 3484 : return false;
1026 : : }
1027 : :
1028 [ + + + - : 10086423 : switch (nvme_ns->ana_state) {
+ - ]
1029 : 9300443 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
1030 : : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
1031 : 9300444 : return true;
1032 : 785979 : default:
1033 : 785979 : break;
1034 : : }
1035 : :
1036 : 785979 : return false;
1037 : 1 : }
1038 : :
1039 : : static inline bool
1040 : 11291597 : nvme_qpair_is_connected(struct nvme_qpair *nvme_qpair)
1041 : : {
1042 [ + + + - : 11291597 : if (spdk_unlikely(nvme_qpair->qpair == NULL)) {
- + ]
1043 : 1180142 : return false;
1044 : : }
1045 : :
1046 [ + + + - : 10111455 : if (spdk_unlikely(spdk_nvme_qpair_get_failure_reason(nvme_qpair->qpair) !=
- + ]
1047 : : SPDK_NVME_QPAIR_FAILURE_NONE)) {
1048 : 2438 : return false;
1049 : : }
1050 : :
1051 [ + + + - : 10109017 : if (spdk_unlikely(nvme_qpair->ctrlr_ch->reset_iter != NULL)) {
+ - + - -
+ ]
1052 : 9508 : return false;
1053 : : }
1054 : :
1055 : 10099509 : return true;
1056 : 1 : }
1057 : :
1058 : : static inline bool
1059 : 10884179 : nvme_io_path_is_available(struct nvme_io_path *io_path)
1060 : : {
1061 [ + + + - : 10884179 : if (spdk_unlikely(!nvme_qpair_is_connected(io_path->qpair))) {
- + ]
1062 : 794752 : return false;
1063 : : }
1064 : :
1065 [ + + + - : 10089427 : if (spdk_unlikely(!nvme_ns_is_accessible(io_path->nvme_ns))) {
- + ]
1066 : 789343 : return false;
1067 : : }
1068 : :
1069 : 9300084 : return true;
1070 : 1 : }
1071 : :
1072 : : static inline bool
1073 : 397336 : nvme_ctrlr_is_failed(struct nvme_ctrlr *nvme_ctrlr)
1074 : : {
1075 [ + + # # ]: 397336 : if (nvme_ctrlr->destruct) {
1076 : 512 : return true;
1077 : : }
1078 : :
1079 [ + + # # ]: 396824 : if (nvme_ctrlr->fast_io_fail_timedout) {
1080 : 89773 : return true;
1081 : : }
1082 : :
1083 [ + + # # ]: 307051 : if (nvme_ctrlr->resetting) {
1084 [ + + # # : 226952 : if (nvme_ctrlr->opts.reconnect_delay_sec != 0) {
# # # # ]
1085 : 1045 : return false;
1086 : : } else {
1087 : 225907 : return true;
1088 : : }
1089 : : }
1090 : :
1091 [ + + # # ]: 80099 : if (nvme_ctrlr->reconnect_is_delayed) {
1092 : 4102 : return false;
1093 : : }
1094 : :
1095 [ - + # # ]: 75997 : if (nvme_ctrlr->disabled) {
1096 : 0 : return true;
1097 : : }
1098 : :
1099 [ + + # # : 75997 : if (spdk_nvme_ctrlr_is_failed(nvme_ctrlr->ctrlr)) {
# # ]
1100 : 74205 : return true;
1101 : : } else {
1102 : 1792 : return false;
1103 : : }
1104 : 0 : }
1105 : :
1106 : : static bool
1107 : 14691 : nvme_ctrlr_is_available(struct nvme_ctrlr *nvme_ctrlr)
1108 : : {
1109 [ + + # # ]: 14691 : if (nvme_ctrlr->destruct) {
1110 : 989 : return false;
1111 : : }
1112 : :
1113 [ + + # # : 13702 : if (spdk_nvme_ctrlr_is_failed(nvme_ctrlr->ctrlr)) {
# # ]
1114 : 9 : return false;
1115 : : }
1116 : :
1117 [ + + - + : 13693 : if (nvme_ctrlr->resetting || nvme_ctrlr->reconnect_is_delayed) {
# # # # ]
1118 : 4918 : return false;
1119 : : }
1120 : :
1121 [ - + # # ]: 8775 : if (nvme_ctrlr->disabled) {
1122 : 0 : return false;
1123 : : }
1124 : :
1125 : 8775 : return true;
1126 : 0 : }
1127 : :
1128 : : /* Simulate circular linked list. */
1129 : : static inline struct nvme_io_path *
1130 : 6988125 : nvme_io_path_get_next(struct nvme_bdev_channel *nbdev_ch, struct nvme_io_path *prev_path)
1131 : : {
1132 : : struct nvme_io_path *next_path;
1133 : :
1134 [ + + ]: 6988125 : if (prev_path != NULL) {
1135 [ # # # # : 5390899 : next_path = STAILQ_NEXT(prev_path, stailq);
# # ]
1136 [ + + ]: 5390899 : if (next_path != NULL) {
1137 : 2618679 : return next_path;
1138 : : }
1139 : 0 : }
1140 : :
1141 [ + - + - : 4369446 : return STAILQ_FIRST(&nbdev_ch->io_path_list);
+ - ]
1142 : 1 : }
1143 : :
1144 : : static struct nvme_io_path *
1145 : 2769213 : _bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
1146 : : {
1147 : 2769213 : struct nvme_io_path *io_path, *start, *non_optimized = NULL;
1148 : :
1149 [ + - + - ]: 2769213 : start = nvme_io_path_get_next(nbdev_ch, nbdev_ch->current_io_path);
1150 : :
1151 : 2769213 : io_path = start;
1152 : 1 : do {
1153 [ + + ]: 4843095 : if (spdk_likely(nvme_io_path_is_available(io_path))) {
1154 [ + + + - : 3259132 : switch (io_path->nvme_ns->ana_state) {
+ - + - +
- - ]
1155 : 624182 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
1156 [ + - + - ]: 624183 : nbdev_ch->current_io_path = io_path;
1157 : 624183 : return io_path;
1158 : 2634949 : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
1159 [ + + ]: 2634949 : if (non_optimized == NULL) {
1160 : 2044757 : non_optimized = io_path;
1161 : 0 : }
1162 : 2634949 : break;
1163 : 0 : default:
1164 [ # # ]: 0 : assert(false);
1165 : : break;
1166 : : }
1167 : 0 : }
1168 : 4218912 : io_path = nvme_io_path_get_next(nbdev_ch, io_path);
1169 [ + + ]: 4218912 : } while (io_path != start);
1170 : :
1171 [ + + # # : 2145030 : if (nbdev_ch->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE) {
# # ]
1172 : : /* We come here only if there is no optimized path. Cache even non_optimized
1173 : : * path for load balance across multiple non_optimized paths.
1174 : : */
1175 [ # # # # ]: 550435 : nbdev_ch->current_io_path = non_optimized;
1176 : 0 : }
1177 : :
1178 : 2145030 : return non_optimized;
1179 : 1 : }
1180 : :
1181 : : static struct nvme_io_path *
1182 : 12 : _bdev_nvme_find_io_path_min_qd(struct nvme_bdev_channel *nbdev_ch)
1183 : : {
1184 : : struct nvme_io_path *io_path;
1185 : 12 : struct nvme_io_path *optimized = NULL, *non_optimized = NULL;
1186 : 12 : uint32_t opt_min_qd = UINT32_MAX, non_opt_min_qd = UINT32_MAX;
1187 : : uint32_t num_outstanding_reqs;
1188 : :
1189 [ + + # # : 48 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
1190 [ - + # # : 36 : if (spdk_unlikely(!nvme_qpair_is_connected(io_path->qpair))) {
# # ]
1191 : : /* The device is currently resetting. */
1192 : 0 : continue;
1193 : : }
1194 : :
1195 [ - + # # : 36 : if (spdk_unlikely(!nvme_ns_is_active(io_path->nvme_ns))) {
# # ]
1196 : 0 : continue;
1197 : : }
1198 : :
1199 [ # # # # : 36 : num_outstanding_reqs = spdk_nvme_qpair_get_num_outstanding_reqs(io_path->qpair->qpair);
# # # # ]
1200 [ + + + # : 36 : switch (io_path->nvme_ns->ana_state) {
# # # # #
# # ]
1201 : 18 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
1202 [ + + ]: 18 : if (num_outstanding_reqs < opt_min_qd) {
1203 : 15 : opt_min_qd = num_outstanding_reqs;
1204 : 15 : optimized = io_path;
1205 : 0 : }
1206 : 18 : break;
1207 : 9 : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
1208 [ + - ]: 9 : if (num_outstanding_reqs < non_opt_min_qd) {
1209 : 9 : non_opt_min_qd = num_outstanding_reqs;
1210 : 9 : non_optimized = io_path;
1211 : 0 : }
1212 : 9 : break;
1213 : 9 : default:
1214 : 9 : break;
1215 : : }
1216 : 0 : }
1217 : :
1218 : : /* don't cache io path for BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH selector */
1219 [ + + ]: 12 : if (optimized != NULL) {
1220 : 9 : return optimized;
1221 : : }
1222 : :
1223 : 3 : return non_optimized;
1224 : 0 : }
1225 : :
1226 : : static inline struct nvme_io_path *
1227 : 45445649 : bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
1228 : : {
1229 [ + + + - : 45445649 : if (spdk_likely(nbdev_ch->current_io_path != NULL)) {
+ + ]
1230 [ + + + - : 43848411 : if (nbdev_ch->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE) {
- + ]
1231 [ + - + - ]: 42676415 : return nbdev_ch->current_io_path;
1232 [ + - # # : 1171996 : } else if (nbdev_ch->mp_selector == BDEV_NVME_MP_SELECTOR_ROUND_ROBIN) {
# # ]
1233 [ + + # # : 1171996 : if (++nbdev_ch->rr_counter < nbdev_ch->rr_min_io) {
# # # # ]
1234 [ # # # # ]: 9 : return nbdev_ch->current_io_path;
1235 : : }
1236 [ # # # # ]: 1171987 : nbdev_ch->rr_counter = 0;
1237 : 0 : }
1238 : 0 : }
1239 : :
1240 [ + + + - : 2769225 : if (nbdev_ch->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE ||
- + # # ]
1241 [ + + # # ]: 1172086 : nbdev_ch->mp_selector == BDEV_NVME_MP_SELECTOR_ROUND_ROBIN) {
1242 : 2769213 : return _bdev_nvme_find_io_path(nbdev_ch);
1243 : : } else {
1244 : 12 : return _bdev_nvme_find_io_path_min_qd(nbdev_ch);
1245 : : }
1246 : 3 : }
1247 : :
1248 : : /* Return true if there is any io_path whose qpair is active or ctrlr is not failed,
1249 : : * or false otherwise.
1250 : : *
1251 : : * If any io_path has an active qpair but find_io_path() returned NULL, its namespace
1252 : : * is likely to be non-accessible now but may become accessible.
1253 : : *
1254 : : * If any io_path has an unfailed ctrlr but find_io_path() returned NULL, the ctrlr
1255 : : * is likely to be resetting now but the reset may succeed. A ctrlr is set to unfailed
1256 : : * when starting to reset it but it is set to failed when the reset failed. Hence, if
1257 : : * a ctrlr is unfailed, it is likely that it works fine or is resetting.
1258 : : */
1259 : : static bool
1260 : 406905 : any_io_path_may_become_available(struct nvme_bdev_channel *nbdev_ch)
1261 : : {
1262 : : struct nvme_io_path *io_path;
1263 : :
1264 [ + + + + : 406905 : if (nbdev_ch->resetting) {
# # # # ]
1265 : 3 : return false;
1266 : : }
1267 : :
1268 [ + + # # : 798323 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
1269 [ - + + + : 407926 : if (io_path->nvme_ns->ana_transition_timedout) {
# # # # #
# # # ]
1270 : 1024 : continue;
1271 : : }
1272 : :
1273 [ + + # # : 406902 : if (nvme_qpair_is_connected(io_path->qpair) ||
# # # # ]
1274 [ + + # # : 397336 : !nvme_ctrlr_is_failed(io_path->qpair->ctrlr)) {
# # # # ]
1275 : 16505 : return true;
1276 : : }
1277 : 0 : }
1278 : :
1279 : 390397 : return false;
1280 : 0 : }
1281 : :
1282 : : static void
1283 : 20057 : bdev_nvme_retry_io(struct nvme_bdev_channel *nbdev_ch, struct spdk_bdev_io *bdev_io)
1284 : : {
1285 [ # # ]: 20057 : struct nvme_bdev_io *nbdev_io = (struct nvme_bdev_io *)bdev_io->driver_ctx;
1286 : : struct spdk_io_channel *ch;
1287 : :
1288 [ + + + - : 20057 : if (nbdev_io->io_path != NULL && nvme_io_path_is_available(nbdev_io->io_path)) {
# # # # #
# # # ]
1289 : 3555 : _bdev_nvme_submit_request(nbdev_ch, bdev_io);
1290 : 0 : } else {
1291 : 16502 : ch = spdk_io_channel_from_ctx(nbdev_ch);
1292 : 16502 : bdev_nvme_submit_request(ch, bdev_io);
1293 : : }
1294 : 20057 : }
1295 : :
1296 : : static int
1297 : 4195 : bdev_nvme_retry_ios(void *arg)
1298 : : {
1299 : 4195 : struct nvme_bdev_channel *nbdev_ch = arg;
1300 : : struct nvme_bdev_io *bio, *tmp_bio;
1301 : : uint64_t now, delay_us;
1302 : :
1303 : 4195 : now = spdk_get_ticks();
1304 : :
1305 [ + + # # : 24252 : TAILQ_FOREACH_SAFE(bio, &nbdev_ch->retry_io_list, retry_link, tmp_bio) {
# # # # #
# # # # #
# # ]
1306 [ + + # # : 20553 : if (bio->retry_ticks > now) {
# # ]
1307 : 496 : break;
1308 : : }
1309 : :
1310 [ + + # # : 20057 : TAILQ_REMOVE(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1311 : :
1312 : 20057 : bdev_nvme_retry_io(nbdev_ch, spdk_bdev_io_from_ctx(bio));
1313 : 0 : }
1314 : :
1315 [ # # ]: 4195 : spdk_poller_unregister(&nbdev_ch->retry_io_poller);
1316 : :
1317 [ # # # # : 4195 : bio = TAILQ_FIRST(&nbdev_ch->retry_io_list);
# # ]
1318 [ + + ]: 4195 : if (bio != NULL) {
1319 [ - + # # : 505 : delay_us = (bio->retry_ticks - now) * SPDK_SEC_TO_USEC / spdk_get_ticks_hz();
# # ]
1320 : :
1321 [ # # # # ]: 505 : nbdev_ch->retry_io_poller = SPDK_POLLER_REGISTER(bdev_nvme_retry_ios, nbdev_ch,
1322 : : delay_us);
1323 : 0 : }
1324 : :
1325 : 4195 : return SPDK_POLLER_BUSY;
1326 : : }
1327 : :
1328 : : static void
1329 : 20063 : bdev_nvme_queue_retry_io(struct nvme_bdev_channel *nbdev_ch,
1330 : : struct nvme_bdev_io *bio, uint64_t delay_ms)
1331 : : {
1332 : : struct nvme_bdev_io *tmp_bio;
1333 : :
1334 [ # # # # : 20063 : bio->retry_ticks = spdk_get_ticks() + delay_ms * spdk_get_ticks_hz() / 1000ULL;
# # ]
1335 : :
1336 [ + + # # : 46285 : TAILQ_FOREACH_REVERSE(tmp_bio, &nbdev_ch->retry_io_list, retry_io_head, retry_link) {
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1337 [ + + # # : 42566 : if (tmp_bio->retry_ticks <= bio->retry_ticks) {
# # # # #
# ]
1338 [ + + # # : 16344 : TAILQ_INSERT_AFTER(&nbdev_ch->retry_io_list, tmp_bio, bio,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1339 : : retry_link);
1340 : 16344 : return;
1341 : : }
1342 : 0 : }
1343 : :
1344 : : /* No earlier I/Os were found. This I/O must be the new head. */
1345 [ + + # # : 3719 : TAILQ_INSERT_HEAD(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1346 : :
1347 [ # # ]: 3719 : spdk_poller_unregister(&nbdev_ch->retry_io_poller);
1348 : :
1349 [ # # # # ]: 3719 : nbdev_ch->retry_io_poller = SPDK_POLLER_REGISTER(bdev_nvme_retry_ios, nbdev_ch,
1350 : : delay_ms * 1000ULL);
1351 : 0 : }
1352 : :
1353 : : static void
1354 : 2617 : bdev_nvme_abort_retry_ios(struct nvme_bdev_channel *nbdev_ch)
1355 : : {
1356 : : struct nvme_bdev_io *bio, *tmp_bio;
1357 : :
1358 [ + + + - : 2620 : TAILQ_FOREACH_SAFE(bio, &nbdev_ch->retry_io_list, retry_link, tmp_bio) {
+ - + - #
# # # # #
+ - ]
1359 [ - + # # : 3 : TAILQ_REMOVE(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1360 : 3 : __bdev_nvme_io_complete(spdk_bdev_io_from_ctx(bio), SPDK_BDEV_IO_STATUS_ABORTED, NULL);
1361 : 0 : }
1362 : :
1363 [ + - ]: 2617 : spdk_poller_unregister(&nbdev_ch->retry_io_poller);
1364 : 2617 : }
1365 : :
1366 : : static int
1367 : 7186 : bdev_nvme_abort_retry_io(struct nvme_bdev_channel *nbdev_ch,
1368 : : struct nvme_bdev_io *bio_to_abort)
1369 : : {
1370 : : struct nvme_bdev_io *bio;
1371 : :
1372 [ + + # # : 7186 : TAILQ_FOREACH(bio, &nbdev_ch->retry_io_list, retry_link) {
# # # # #
# # # #
# ]
1373 [ + - ]: 3 : if (bio == bio_to_abort) {
1374 [ - + # # : 3 : TAILQ_REMOVE(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1375 : 3 : __bdev_nvme_io_complete(spdk_bdev_io_from_ctx(bio), SPDK_BDEV_IO_STATUS_ABORTED, NULL);
1376 : 3 : return 0;
1377 : : }
1378 : 0 : }
1379 : :
1380 : 7183 : return -ENOENT;
1381 : 0 : }
1382 : :
1383 : : static void
1384 : 11658 : bdev_nvme_update_nvme_error_stat(struct spdk_bdev_io *bdev_io, const struct spdk_nvme_cpl *cpl)
1385 : : {
1386 : : struct nvme_bdev *nbdev;
1387 : : uint16_t sct, sc;
1388 : :
1389 [ + + - + : 11658 : assert(spdk_nvme_cpl_is_error(cpl));
# # # # #
# # # # #
# # # # ]
1390 : :
1391 [ # # # # : 11658 : nbdev = bdev_io->bdev->ctxt;
# # # # ]
1392 : :
1393 [ + + # # : 11658 : if (nbdev->err_stat == NULL) {
# # ]
1394 : 8166 : return;
1395 : : }
1396 : :
1397 [ # # # # : 3492 : sct = cpl->status.sct;
# # ]
1398 [ # # # # : 3492 : sc = cpl->status.sc;
# # ]
1399 : :
1400 [ - + # # ]: 3492 : pthread_mutex_lock(&nbdev->mutex);
1401 : :
1402 [ # # # # : 3492 : nbdev->err_stat->status_type[sct]++;
# # # # #
# ]
1403 [ + - ]: 3492 : switch (sct) {
1404 : 3492 : case SPDK_NVME_SCT_GENERIC:
1405 : : case SPDK_NVME_SCT_COMMAND_SPECIFIC:
1406 : : case SPDK_NVME_SCT_MEDIA_ERROR:
1407 : : case SPDK_NVME_SCT_PATH:
1408 [ # # # # : 3492 : nbdev->err_stat->status[sct][sc]++;
# # # # #
# # # ]
1409 : 3492 : break;
1410 : 0 : default:
1411 : 0 : break;
1412 : : }
1413 : :
1414 [ - + # # ]: 3492 : pthread_mutex_unlock(&nbdev->mutex);
1415 : 0 : }
1416 : :
1417 : : static inline void
1418 : 42836636 : bdev_nvme_update_io_path_stat(struct nvme_bdev_io *bio)
1419 : : {
1420 : 42836636 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
1421 [ + - + - : 42836636 : uint64_t num_blocks = bdev_io->u.bdev.num_blocks;
+ - + - ]
1422 [ + - + - : 42836636 : uint32_t blocklen = bdev_io->bdev->blocklen;
+ - + - ]
1423 : : struct spdk_bdev_io_stat *stat;
1424 : : uint64_t tsc_diff;
1425 : :
1426 [ + - + - : 42836636 : if (bio->io_path->stat == NULL) {
+ - + - +
- ]
1427 : 42836636 : return;
1428 : : }
1429 : :
1430 [ # # # # ]: 0 : tsc_diff = spdk_get_ticks() - bio->submit_tsc;
1431 [ # # # # : 0 : stat = bio->io_path->stat;
# # # # ]
1432 : :
1433 [ # # # # : 0 : switch (bdev_io->type) {
# # # # #
# ]
1434 : 0 : case SPDK_BDEV_IO_TYPE_READ:
1435 [ # # # # ]: 0 : stat->bytes_read += num_blocks * blocklen;
1436 [ # # ]: 0 : stat->num_read_ops++;
1437 [ # # # # ]: 0 : stat->read_latency_ticks += tsc_diff;
1438 [ # # # # : 0 : if (stat->max_read_latency_ticks < tsc_diff) {
# # ]
1439 [ # # # # ]: 0 : stat->max_read_latency_ticks = tsc_diff;
1440 : 0 : }
1441 [ # # # # : 0 : if (stat->min_read_latency_ticks > tsc_diff) {
# # ]
1442 [ # # # # ]: 0 : stat->min_read_latency_ticks = tsc_diff;
1443 : 0 : }
1444 : 0 : break;
1445 : 0 : case SPDK_BDEV_IO_TYPE_WRITE:
1446 [ # # # # ]: 0 : stat->bytes_written += num_blocks * blocklen;
1447 [ # # ]: 0 : stat->num_write_ops++;
1448 [ # # # # ]: 0 : stat->write_latency_ticks += tsc_diff;
1449 [ # # # # : 0 : if (stat->max_write_latency_ticks < tsc_diff) {
# # ]
1450 [ # # # # ]: 0 : stat->max_write_latency_ticks = tsc_diff;
1451 : 0 : }
1452 [ # # # # : 0 : if (stat->min_write_latency_ticks > tsc_diff) {
# # ]
1453 [ # # # # ]: 0 : stat->min_write_latency_ticks = tsc_diff;
1454 : 0 : }
1455 : 0 : break;
1456 : 0 : case SPDK_BDEV_IO_TYPE_UNMAP:
1457 [ # # # # ]: 0 : stat->bytes_unmapped += num_blocks * blocklen;
1458 [ # # ]: 0 : stat->num_unmap_ops++;
1459 [ # # # # ]: 0 : stat->unmap_latency_ticks += tsc_diff;
1460 [ # # # # : 0 : if (stat->max_unmap_latency_ticks < tsc_diff) {
# # ]
1461 [ # # # # ]: 0 : stat->max_unmap_latency_ticks = tsc_diff;
1462 : 0 : }
1463 [ # # # # : 0 : if (stat->min_unmap_latency_ticks > tsc_diff) {
# # ]
1464 [ # # # # ]: 0 : stat->min_unmap_latency_ticks = tsc_diff;
1465 : 0 : }
1466 : 0 : break;
1467 : 0 : case SPDK_BDEV_IO_TYPE_ZCOPY:
1468 : : /* Track the data in the start phase only */
1469 [ # # # # : 0 : if (!bdev_io->u.bdev.zcopy.start) {
# # # # #
# ]
1470 : 0 : break;
1471 : : }
1472 [ # # # # : 0 : if (bdev_io->u.bdev.zcopy.populate) {
# # # # #
# ]
1473 [ # # # # ]: 0 : stat->bytes_read += num_blocks * blocklen;
1474 [ # # ]: 0 : stat->num_read_ops++;
1475 [ # # # # ]: 0 : stat->read_latency_ticks += tsc_diff;
1476 [ # # # # : 0 : if (stat->max_read_latency_ticks < tsc_diff) {
# # ]
1477 [ # # # # ]: 0 : stat->max_read_latency_ticks = tsc_diff;
1478 : 0 : }
1479 [ # # # # : 0 : if (stat->min_read_latency_ticks > tsc_diff) {
# # ]
1480 [ # # # # ]: 0 : stat->min_read_latency_ticks = tsc_diff;
1481 : 0 : }
1482 : 0 : } else {
1483 [ # # # # ]: 0 : stat->bytes_written += num_blocks * blocklen;
1484 [ # # ]: 0 : stat->num_write_ops++;
1485 [ # # # # ]: 0 : stat->write_latency_ticks += tsc_diff;
1486 [ # # # # : 0 : if (stat->max_write_latency_ticks < tsc_diff) {
# # ]
1487 [ # # # # ]: 0 : stat->max_write_latency_ticks = tsc_diff;
1488 : 0 : }
1489 [ # # # # : 0 : if (stat->min_write_latency_ticks > tsc_diff) {
# # ]
1490 [ # # # # ]: 0 : stat->min_write_latency_ticks = tsc_diff;
1491 : 0 : }
1492 : : }
1493 : 0 : break;
1494 : 0 : case SPDK_BDEV_IO_TYPE_COPY:
1495 [ # # # # ]: 0 : stat->bytes_copied += num_blocks * blocklen;
1496 [ # # ]: 0 : stat->num_copy_ops++;
1497 [ # # # # ]: 0 : stat->copy_latency_ticks += tsc_diff;
1498 [ # # # # : 0 : if (stat->max_copy_latency_ticks < tsc_diff) {
# # ]
1499 [ # # # # ]: 0 : stat->max_copy_latency_ticks = tsc_diff;
1500 : 0 : }
1501 [ # # # # : 0 : if (stat->min_copy_latency_ticks > tsc_diff) {
# # ]
1502 [ # # # # ]: 0 : stat->min_copy_latency_ticks = tsc_diff;
1503 : 0 : }
1504 : 0 : break;
1505 : 0 : default:
1506 : 0 : break;
1507 : : }
1508 : 3 : }
1509 : :
1510 : : static bool
1511 : 11582 : bdev_nvme_check_retry_io(struct nvme_bdev_io *bio,
1512 : : const struct spdk_nvme_cpl *cpl,
1513 : : struct nvme_bdev_channel *nbdev_ch,
1514 : : uint64_t *_delay_ms)
1515 : : {
1516 [ # # # # ]: 11582 : struct nvme_io_path *io_path = bio->io_path;
1517 [ # # # # : 11582 : struct nvme_ctrlr *nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
1518 : : const struct spdk_nvme_ctrlr_data *cdata;
1519 : :
1520 [ + + # # : 11582 : if (spdk_nvme_cpl_is_path_error(cpl) ||
# # # # #
# ]
1521 [ + + + + : 8169 : spdk_nvme_cpl_is_aborted_sq_deletion(cpl) ||
# # # # #
# # # #
# ]
1522 [ + - ]: 3558 : !nvme_io_path_is_available(io_path) ||
1523 [ - + ]: 3558 : !nvme_ctrlr_is_available(nvme_ctrlr)) {
1524 : 8024 : bdev_nvme_clear_current_io_path(nbdev_ch);
1525 [ # # # # ]: 8024 : bio->io_path = NULL;
1526 [ + + + - : 8024 : if (spdk_nvme_cpl_is_ana_error(cpl)) {
+ + - + #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1527 [ + + ]: 3410 : if (nvme_ctrlr_read_ana_log_page(nvme_ctrlr) == 0) {
1528 [ # # # # : 19 : io_path->nvme_ns->ana_state_updating = true;
# # # # ]
1529 : 0 : }
1530 : 0 : }
1531 [ + + ]: 8024 : if (!any_io_path_may_become_available(nbdev_ch)) {
1532 : 640 : return false;
1533 : : }
1534 [ # # ]: 7384 : *_delay_ms = 0;
1535 : 0 : } else {
1536 [ # # # # ]: 3558 : bio->retry_count++;
1537 : :
1538 [ # # # # ]: 3558 : cdata = spdk_nvme_ctrlr_get_data(nvme_ctrlr->ctrlr);
1539 : :
1540 [ + + # # : 3558 : if (cpl->status.crd != 0) {
# # # # ]
1541 [ # # # # : 3 : *_delay_ms = cdata->crdt[cpl->status.crd] * 100;
# # # # #
# # # # #
# # # # ]
1542 : 0 : } else {
1543 [ # # ]: 3555 : *_delay_ms = 0;
1544 : : }
1545 : : }
1546 : :
1547 : 10942 : return true;
1548 : 0 : }
1549 : :
1550 : : static inline void
1551 : 42848294 : bdev_nvme_io_complete_nvme_status(struct nvme_bdev_io *bio,
1552 : : const struct spdk_nvme_cpl *cpl)
1553 : : {
1554 : 42848294 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
1555 : : struct nvme_bdev_channel *nbdev_ch;
1556 : 15164151 : uint64_t delay_ms;
1557 : :
1558 [ + + + - : 42848294 : assert(!bdev_nvme_io_type_is_admin(bdev_io->type));
+ - # # ]
1559 : :
1560 [ + + + + : 42848294 : if (spdk_likely(spdk_nvme_cpl_is_success(cpl))) {
+ - - + +
- + - + -
+ - ]
1561 : 42836636 : bdev_nvme_update_io_path_stat(bio);
1562 : 42836636 : goto complete;
1563 : : }
1564 : :
1565 : : /* Update error counts before deciding if retry is needed.
1566 : : * Hence, error counts may be more than the number of I/O errors.
1567 : : */
1568 : 11658 : bdev_nvme_update_nvme_error_stat(bdev_io, cpl);
1569 : :
1570 [ + + + + : 11658 : if (cpl->status.dnr != 0 || spdk_nvme_cpl_is_aborted_by_request(cpl) ||
+ + # # #
# # # # #
# # # # #
# # # #
# ]
1571 [ + + + + : 11603 : (g_opts.bdev_retry_count != -1 && bio->retry_count >= g_opts.bdev_retry_count)) {
# # # # #
# ]
1572 : 76 : goto complete;
1573 : : }
1574 : :
1575 : : /* At this point we don't know whether the sequence was successfully executed or not, so we
1576 : : * cannot retry the IO */
1577 [ - + # # : 11582 : if (bdev_io->u.bdev.accel_sequence != NULL) {
# # # # #
# ]
1578 : 0 : goto complete;
1579 : : }
1580 : :
1581 : 11582 : nbdev_ch = spdk_io_channel_get_ctx(spdk_bdev_io_get_io_channel(bdev_io));
1582 : :
1583 [ + + ]: 11582 : if (bdev_nvme_check_retry_io(bio, cpl, nbdev_ch, &delay_ms)) {
1584 : 10942 : bdev_nvme_queue_retry_io(nbdev_ch, bio, delay_ms);
1585 : 10942 : return;
1586 : : }
1587 : :
1588 : 15164770 : complete:
1589 [ + - + - ]: 42837352 : bio->retry_count = 0;
1590 [ + - + - ]: 42837352 : bio->submit_tsc = 0;
1591 [ + - + - : 42837352 : bdev_io->u.bdev.accel_sequence = NULL;
+ - + - ]
1592 : 42837352 : __bdev_nvme_io_complete(bdev_io, 0, cpl);
1593 : 3 : }
1594 : :
1595 : : static inline void
1596 : 2593389 : bdev_nvme_io_complete(struct nvme_bdev_io *bio, int rc)
1597 : : {
1598 : 2593389 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
1599 : : struct nvme_bdev_channel *nbdev_ch;
1600 : : enum spdk_bdev_io_status io_status;
1601 : :
1602 [ - + # # : 2593389 : assert(!bdev_nvme_io_type_is_admin(bdev_io->type));
# # # # ]
1603 : :
1604 [ + + + - ]: 2593389 : switch (rc) {
1605 : 2021159 : case 0:
1606 : 2021159 : io_status = SPDK_BDEV_IO_STATUS_SUCCESS;
1607 : 2021159 : break;
1608 : 173349 : case -ENOMEM:
1609 : 173349 : io_status = SPDK_BDEV_IO_STATUS_NOMEM;
1610 : 173349 : break;
1611 : 398881 : case -ENXIO:
1612 [ + + + - : 398881 : if (g_opts.bdev_retry_count == -1 || bio->retry_count < g_opts.bdev_retry_count) {
# # # # #
# # # ]
1613 : 398881 : nbdev_ch = spdk_io_channel_get_ctx(spdk_bdev_io_get_io_channel(bdev_io));
1614 : :
1615 : 398881 : bdev_nvme_clear_current_io_path(nbdev_ch);
1616 [ # # # # ]: 398881 : bio->io_path = NULL;
1617 : :
1618 [ + + ]: 398881 : if (any_io_path_may_become_available(nbdev_ch)) {
1619 : 9121 : bdev_nvme_queue_retry_io(nbdev_ch, bio, 1000ULL);
1620 : 9121 : return;
1621 : : }
1622 : 0 : }
1623 : :
1624 : : /* fallthrough */
1625 : : default:
1626 [ # # # # : 389760 : spdk_accel_sequence_abort(bdev_io->u.bdev.accel_sequence);
# # # # ]
1627 [ # # # # : 389760 : bdev_io->u.bdev.accel_sequence = NULL;
# # # # ]
1628 : 389760 : io_status = SPDK_BDEV_IO_STATUS_FAILED;
1629 : 389760 : break;
1630 : : }
1631 : :
1632 [ # # # # ]: 2584268 : bio->retry_count = 0;
1633 [ # # # # ]: 2584268 : bio->submit_tsc = 0;
1634 : 2584268 : __bdev_nvme_io_complete(bdev_io, io_status, NULL);
1635 : 0 : }
1636 : :
1637 : : static inline void
1638 : 12 : bdev_nvme_admin_complete(struct nvme_bdev_io *bio, int rc)
1639 : : {
1640 : 12 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
1641 : : enum spdk_bdev_io_status io_status;
1642 : :
1643 [ + - + # ]: 12 : switch (rc) {
1644 : 3 : case 0:
1645 : 3 : io_status = SPDK_BDEV_IO_STATUS_SUCCESS;
1646 : 3 : break;
1647 : 0 : case -ENOMEM:
1648 : 0 : io_status = SPDK_BDEV_IO_STATUS_NOMEM;
1649 : 0 : break;
1650 : 9 : case -ENXIO:
1651 : : /* fallthrough */
1652 : : default:
1653 : 9 : io_status = SPDK_BDEV_IO_STATUS_FAILED;
1654 : 9 : break;
1655 : : }
1656 : :
1657 : 12 : __bdev_nvme_io_complete(bdev_io, io_status, NULL);
1658 : 12 : }
1659 : :
1660 : : static void
1661 : 1555 : bdev_nvme_clear_io_path_caches_done(struct nvme_ctrlr *nvme_ctrlr,
1662 : : void *ctx, int status)
1663 : : {
1664 [ - + # # ]: 1555 : pthread_mutex_lock(&nvme_ctrlr->mutex);
1665 : :
1666 [ - + # # : 1555 : assert(nvme_ctrlr->io_path_cache_clearing == true);
# # ]
1667 [ # # ]: 1555 : nvme_ctrlr->io_path_cache_clearing = false;
1668 : :
1669 [ + - ]: 1555 : if (!nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
1670 [ - + # # ]: 1555 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1671 : 1555 : return;
1672 : : }
1673 : :
1674 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1675 : :
1676 : 0 : nvme_ctrlr_unregister(nvme_ctrlr);
1677 : 0 : }
1678 : :
1679 : : static void
1680 : 10132 : _bdev_nvme_clear_io_path_cache(struct nvme_qpair *nvme_qpair)
1681 : : {
1682 : : struct nvme_io_path *io_path;
1683 : :
1684 [ + + + - : 17743 : TAILQ_FOREACH(io_path, &nvme_qpair->io_path_list, tailq) {
+ - + + +
- + - +
- ]
1685 [ + + + - : 7611 : if (io_path->nbdev_ch == NULL) {
- + ]
1686 : 4995 : continue;
1687 : : }
1688 [ # # # # ]: 2616 : bdev_nvme_clear_current_io_path(io_path->nbdev_ch);
1689 : 0 : }
1690 : 10132 : }
1691 : :
1692 : : static void
1693 : 1510 : bdev_nvme_clear_io_path_cache(struct nvme_ctrlr_channel_iter *i,
1694 : : struct nvme_ctrlr *nvme_ctrlr,
1695 : : struct nvme_ctrlr_channel *ctrlr_ch,
1696 : : void *ctx)
1697 : : {
1698 [ - + # # : 1510 : assert(ctrlr_ch->qpair != NULL);
# # # # ]
1699 : :
1700 [ # # # # ]: 1510 : _bdev_nvme_clear_io_path_cache(ctrlr_ch->qpair);
1701 : :
1702 : 1510 : nvme_ctrlr_for_each_channel_continue(i, 0);
1703 : 1510 : }
1704 : :
1705 : : static void
1706 : 7464 : bdev_nvme_clear_io_path_caches(struct nvme_ctrlr *nvme_ctrlr)
1707 : : {
1708 [ - + # # ]: 7464 : pthread_mutex_lock(&nvme_ctrlr->mutex);
1709 [ + + + + ]: 7464 : if (!nvme_ctrlr_is_available(nvme_ctrlr) ||
1710 [ # # ]: 0 : nvme_ctrlr->io_path_cache_clearing) {
1711 [ - + # # ]: 5909 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1712 : 5909 : return;
1713 : : }
1714 : :
1715 [ # # ]: 1555 : nvme_ctrlr->io_path_cache_clearing = true;
1716 [ - + # # ]: 1555 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1717 : :
1718 : 1555 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
1719 : : bdev_nvme_clear_io_path_cache,
1720 : : NULL,
1721 : : bdev_nvme_clear_io_path_caches_done);
1722 : 0 : }
1723 : :
1724 : : static struct nvme_qpair *
1725 : 2706 : nvme_poll_group_get_qpair(struct nvme_poll_group *group, struct spdk_nvme_qpair *qpair)
1726 : : {
1727 : : struct nvme_qpair *nvme_qpair;
1728 : :
1729 [ + - + - : 2860 : TAILQ_FOREACH(nvme_qpair, &group->qpair_list, tailq) {
+ - - + #
# # # #
# ]
1730 [ + + + - : 2860 : if (nvme_qpair->qpair == qpair) {
- + ]
1731 : 2706 : break;
1732 : : }
1733 : 0 : }
1734 : :
1735 : 2706 : return nvme_qpair;
1736 : : }
1737 : :
1738 : : static void nvme_qpair_delete(struct nvme_qpair *nvme_qpair);
1739 : :
1740 : : static void
1741 : 2706 : bdev_nvme_disconnected_qpair_cb(struct spdk_nvme_qpair *qpair, void *poll_group_ctx)
1742 : : {
1743 : 2706 : struct nvme_poll_group *group = poll_group_ctx;
1744 : : struct nvme_qpair *nvme_qpair;
1745 : : struct nvme_ctrlr *nvme_ctrlr;
1746 : : struct nvme_ctrlr_channel *ctrlr_ch;
1747 : : int status;
1748 : :
1749 : 2706 : nvme_qpair = nvme_poll_group_get_qpair(group, qpair);
1750 [ + + ]: 2706 : if (nvme_qpair == NULL) {
1751 : 0 : return;
1752 : : }
1753 : :
1754 [ + - + - : 2706 : if (nvme_qpair->qpair != NULL) {
- + ]
1755 [ + - + - ]: 2706 : spdk_nvme_ctrlr_free_io_qpair(nvme_qpair->qpair);
1756 [ + - + - ]: 2706 : nvme_qpair->qpair = NULL;
1757 : 1 : }
1758 : :
1759 : 2706 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
1760 : :
1761 [ + - + - ]: 2706 : nvme_ctrlr = nvme_qpair->ctrlr;
1762 [ + - + - ]: 2706 : ctrlr_ch = nvme_qpair->ctrlr_ch;
1763 : :
1764 [ + + ]: 2706 : if (ctrlr_ch != NULL) {
1765 [ + + # # : 317 : if (ctrlr_ch->reset_iter != NULL) {
# # ]
1766 : : /* We are in a full reset sequence. */
1767 [ - + # # : 260 : if (ctrlr_ch->connect_poller != NULL) {
# # ]
1768 : : /* qpair was failed to connect. Abort the reset sequence. */
1769 [ # # # # : 0 : NVME_CTRLR_INFOLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1770 : : "qpair %p was failed to connect. abort the reset ctrlr sequence.\n",
1771 : : qpair);
1772 [ # # ]: 0 : spdk_poller_unregister(&ctrlr_ch->connect_poller);
1773 : 0 : status = -1;
1774 : 0 : } else {
1775 : : /* qpair was completed to disconnect. Just move to the next ctrlr_channel. */
1776 [ - + + + : 260 : NVME_CTRLR_INFOLOG(nvme_ctrlr,
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1777 : : "qpair %p was disconnected and freed in a reset ctrlr sequence.\n",
1778 : : qpair);
1779 : 260 : status = 0;
1780 : : }
1781 [ # # # # ]: 260 : nvme_ctrlr_for_each_channel_continue(ctrlr_ch->reset_iter, status);
1782 [ # # # # ]: 260 : ctrlr_ch->reset_iter = NULL;
1783 : 0 : } else {
1784 : : /* qpair was disconnected unexpectedly. Reset controller for recovery. */
1785 [ - + - + : 57 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpair %p was disconnected and freed. reset controller.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1786 : : qpair);
1787 : 57 : bdev_nvme_failover_ctrlr(nvme_ctrlr);
1788 : : }
1789 : 0 : } else {
1790 : : /* In this case, ctrlr_channel is already deleted. */
1791 [ + + + + : 2389 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpair %p was disconnected and freed. delete nvme_qpair.\n",
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1792 : : qpair);
1793 : 2389 : nvme_qpair_delete(nvme_qpair);
1794 : : }
1795 : 1 : }
1796 : :
1797 : : static void
1798 : 16 : bdev_nvme_check_io_qpairs(struct nvme_poll_group *group)
1799 : : {
1800 : : struct nvme_qpair *nvme_qpair;
1801 : :
1802 [ + + # # : 32 : TAILQ_FOREACH(nvme_qpair, &group->qpair_list, tailq) {
# # # # #
# # # #
# ]
1803 [ + + - + : 16 : if (nvme_qpair->qpair == NULL || nvme_qpair->ctrlr_ch == NULL) {
# # # # #
# # # ]
1804 : 2 : continue;
1805 : : }
1806 : :
1807 [ + - # # : 14 : if (spdk_nvme_qpair_get_failure_reason(nvme_qpair->qpair) !=
# # ]
1808 : : SPDK_NVME_QPAIR_FAILURE_NONE) {
1809 : 14 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
1810 : 0 : }
1811 : 0 : }
1812 : 16 : }
1813 : :
1814 : : static int
1815 : 1225338594 : bdev_nvme_poll(void *arg)
1816 : : {
1817 : 1225338594 : struct nvme_poll_group *group = arg;
1818 : : int64_t num_completions;
1819 : :
1820 [ + + + + : 1225338594 : if (group->collect_spin_stat && group->start_ticks == 0) {
+ - - + #
# # # #
# ]
1821 [ # # # # ]: 0 : group->start_ticks = spdk_get_ticks();
1822 : 0 : }
1823 : :
1824 [ + - + - ]: 1225338594 : num_completions = spdk_nvme_poll_group_process_completions(group->group, 0,
1825 : : bdev_nvme_disconnected_qpair_cb);
1826 [ + + + + : 1225338594 : if (group->collect_spin_stat) {
+ - + - ]
1827 [ # # ]: 0 : if (num_completions > 0) {
1828 [ # # # # : 0 : if (group->end_ticks != 0) {
# # ]
1829 [ # # # # : 0 : group->spin_ticks += (group->end_ticks - group->start_ticks);
# # # # #
# # # ]
1830 [ # # # # ]: 0 : group->end_ticks = 0;
1831 : 0 : }
1832 [ # # # # ]: 0 : group->start_ticks = 0;
1833 : 0 : } else {
1834 [ # # # # ]: 0 : group->end_ticks = spdk_get_ticks();
1835 : : }
1836 : 0 : }
1837 : :
1838 [ + + ]: 1225338594 : if (spdk_unlikely(num_completions < 0)) {
1839 : 16 : bdev_nvme_check_io_qpairs(group);
1840 : 0 : }
1841 : :
1842 : 1225338594 : return num_completions > 0 ? SPDK_POLLER_BUSY : SPDK_POLLER_IDLE;
1843 : : }
1844 : :
1845 : : static int bdev_nvme_poll_adminq(void *arg);
1846 : :
1847 : : static void
1848 : 1322 : bdev_nvme_change_adminq_poll_period(struct nvme_ctrlr *nvme_ctrlr, uint64_t new_period_us)
1849 : : {
1850 [ - + ]: 1322 : if (spdk_interrupt_mode_is_enabled()) {
1851 : 0 : return;
1852 : : }
1853 : :
1854 [ # # ]: 1322 : spdk_poller_unregister(&nvme_ctrlr->adminq_timer_poller);
1855 : :
1856 [ # # # # ]: 1322 : nvme_ctrlr->adminq_timer_poller = SPDK_POLLER_REGISTER(bdev_nvme_poll_adminq,
1857 : : nvme_ctrlr, new_period_us);
1858 : 0 : }
1859 : :
1860 : : static int
1861 : 933004 : bdev_nvme_poll_adminq(void *arg)
1862 : : {
1863 : : int32_t rc;
1864 : 933004 : struct nvme_ctrlr *nvme_ctrlr = arg;
1865 : : nvme_ctrlr_disconnected_cb disconnected_cb;
1866 : :
1867 [ + + # # ]: 933004 : assert(nvme_ctrlr != NULL);
1868 : :
1869 [ + - + - ]: 933004 : rc = spdk_nvme_ctrlr_process_admin_completions(nvme_ctrlr->ctrlr);
1870 [ + + ]: 933004 : if (rc < 0) {
1871 [ # # # # ]: 1466 : disconnected_cb = nvme_ctrlr->disconnected_cb;
1872 [ # # # # ]: 1466 : nvme_ctrlr->disconnected_cb = NULL;
1873 : :
1874 [ + + ]: 1466 : if (disconnected_cb != NULL) {
1875 : 661 : bdev_nvme_change_adminq_poll_period(nvme_ctrlr,
1876 [ # # ]: 0 : g_opts.nvme_adminq_poll_period_us);
1877 [ # # # # ]: 661 : disconnected_cb(nvme_ctrlr);
1878 : 0 : } else {
1879 : 805 : bdev_nvme_failover_ctrlr(nvme_ctrlr);
1880 : : }
1881 [ + + + - : 931538 : } else if (spdk_nvme_ctrlr_get_admin_qp_failure_reason(nvme_ctrlr->ctrlr) !=
+ - ]
1882 : : SPDK_NVME_QPAIR_FAILURE_NONE) {
1883 : 7348 : bdev_nvme_clear_io_path_caches(nvme_ctrlr);
1884 : 0 : }
1885 : :
1886 : 933004 : return rc == 0 ? SPDK_POLLER_IDLE : SPDK_POLLER_BUSY;
1887 : : }
1888 : :
1889 : : static void
1890 : 1468 : nvme_bdev_free(void *io_device)
1891 : : {
1892 : 1468 : struct nvme_bdev *nvme_disk = io_device;
1893 : :
1894 [ + + + - ]: 1468 : pthread_mutex_destroy(&nvme_disk->mutex);
1895 [ + - + - : 1468 : free(nvme_disk->disk.name);
+ - ]
1896 [ + - + - ]: 1468 : free(nvme_disk->err_stat);
1897 : 1468 : free(nvme_disk);
1898 : 1468 : }
1899 : :
1900 : : static int
1901 : 1463 : bdev_nvme_destruct(void *ctx)
1902 : : {
1903 : 1463 : struct nvme_bdev *nvme_disk = ctx;
1904 : : struct nvme_ns *nvme_ns, *tmp_nvme_ns;
1905 : :
1906 : 396 : SPDK_DTRACE_PROBE2(bdev_nvme_destruct, nvme_disk->nbdev_ctrlr->name, nvme_disk->nsid);
1907 : :
1908 [ + + + - : 2935 : TAILQ_FOREACH_SAFE(nvme_ns, &nvme_disk->nvme_ns_list, tailq, tmp_nvme_ns) {
+ - + + +
- + - + -
+ + ]
1909 [ + + + - : 1472 : pthread_mutex_lock(&nvme_ns->ctrlr->mutex);
+ - + - ]
1910 : :
1911 [ + - + - ]: 1472 : nvme_ns->bdev = NULL;
1912 : :
1913 [ + + + - : 1472 : assert(nvme_ns->id > 0);
+ - # # ]
1914 : :
1915 [ + + + - : 1472 : if (nvme_ctrlr_get_ns(nvme_ns->ctrlr, nvme_ns->id) == NULL) {
+ - + - +
- ]
1916 [ - + # # : 523 : pthread_mutex_unlock(&nvme_ns->ctrlr->mutex);
# # # # ]
1917 : :
1918 [ # # # # ]: 523 : nvme_ctrlr_put_ref(nvme_ns->ctrlr);
1919 : 523 : nvme_ns_free(nvme_ns);
1920 : 0 : } else {
1921 [ + + + - : 949 : pthread_mutex_unlock(&nvme_ns->ctrlr->mutex);
+ - + - ]
1922 : : }
1923 : 1 : }
1924 : :
1925 [ + + ]: 1463 : pthread_mutex_lock(&g_bdev_nvme_mutex);
1926 [ + + + - : 1463 : TAILQ_REMOVE(&nvme_disk->nbdev_ctrlr->bdevs, nvme_disk, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
1927 [ + + ]: 1463 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
1928 : :
1929 : 1463 : spdk_io_device_unregister(nvme_disk, nvme_bdev_free);
1930 : :
1931 : 1463 : return 0;
1932 : : }
1933 : :
1934 : : static int
1935 : 2709 : bdev_nvme_create_qpair(struct nvme_qpair *nvme_qpair)
1936 : : {
1937 : : struct nvme_ctrlr *nvme_ctrlr;
1938 : 1096 : struct spdk_nvme_io_qpair_opts opts;
1939 : : struct spdk_nvme_qpair *qpair;
1940 : : int rc;
1941 : :
1942 [ + - + - ]: 2709 : nvme_ctrlr = nvme_qpair->ctrlr;
1943 : :
1944 [ + - + - ]: 2709 : spdk_nvme_ctrlr_get_default_io_qpair_opts(nvme_ctrlr->ctrlr, &opts, sizeof(opts));
1945 [ + - ]: 2709 : opts.create_only = true;
1946 : : /* In interrupt mode qpairs must be created in sync mode, else it will never be connected.
1947 : : * delay_cmd_submit must be false as in interrupt mode requests cannot be submitted in
1948 : : * completion context.
1949 : : */
1950 [ + + ]: 2709 : if (!spdk_interrupt_mode_is_enabled()) {
1951 : 2709 : opts.async_mode = true;
1952 [ + + + - : 2709 : opts.delay_cmd_submit = g_opts.delay_cmd_submit;
+ - + - ]
1953 : 1 : }
1954 [ + - + - : 2709 : opts.io_queue_requests = spdk_max(g_opts.io_queue_requests, opts.io_queue_requests);
- + # # +
- + - ]
1955 [ + - + - ]: 2709 : g_opts.io_queue_requests = opts.io_queue_requests;
1956 : :
1957 [ + - + - ]: 2709 : qpair = spdk_nvme_ctrlr_alloc_io_qpair(nvme_ctrlr->ctrlr, &opts, sizeof(opts));
1958 [ + + ]: 2709 : if (qpair == NULL) {
1959 : 0 : return -1;
1960 : : }
1961 : :
1962 : 631 : SPDK_DTRACE_PROBE3(bdev_nvme_create_qpair, nvme_ctrlr->nbdev_ctrlr->name,
1963 : : spdk_nvme_qpair_get_id(qpair), spdk_thread_get_id(nvme_ctrlr->thread));
1964 : :
1965 [ + + + - : 2709 : assert(nvme_qpair->group != NULL);
+ - # # ]
1966 : :
1967 [ + - + - : 2709 : rc = spdk_nvme_poll_group_add(nvme_qpair->group->group, qpair);
+ - + - ]
1968 [ - + ]: 2709 : if (rc != 0) {
1969 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Unable to begin polling on NVMe Channel.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1970 : 0 : goto err;
1971 : : }
1972 : :
1973 [ + - + - ]: 2709 : rc = spdk_nvme_ctrlr_connect_io_qpair(nvme_ctrlr->ctrlr, qpair);
1974 [ - + ]: 2709 : if (rc != 0) {
1975 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Unable to connect I/O qpair.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1976 : 0 : goto err;
1977 : : }
1978 : :
1979 [ + - + - ]: 2709 : nvme_qpair->qpair = qpair;
1980 : :
1981 [ + + + + : 2709 : if (!g_opts.disable_auto_failback) {
- + ]
1982 : 2598 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
1983 : 1 : }
1984 : :
1985 [ + + + + : 2709 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Connecting qpair %p:%u started.\n",
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1986 : : qpair, spdk_nvme_qpair_get_id(qpair));
1987 : :
1988 : 2709 : return 0;
1989 : :
1990 : 0 : err:
1991 : 0 : spdk_nvme_ctrlr_free_io_qpair(qpair);
1992 : :
1993 : 0 : return rc;
1994 : 1 : }
1995 : :
1996 : : static void bdev_nvme_reset_io_continue(void *cb_arg, int rc);
1997 : :
1998 : : static void
1999 : 661 : bdev_nvme_complete_pending_resets(struct nvme_ctrlr *nvme_ctrlr, bool success)
2000 : : {
2001 : 661 : int rc = 0;
2002 : : struct nvme_bdev_io *bio;
2003 : :
2004 [ + + # # ]: 661 : if (!success) {
2005 : 469 : rc = -1;
2006 : 0 : }
2007 : :
2008 [ + + # # : 697 : while (!TAILQ_EMPTY(&nvme_ctrlr->pending_resets)) {
# # # # ]
2009 [ # # # # : 36 : bio = TAILQ_FIRST(&nvme_ctrlr->pending_resets);
# # ]
2010 [ - + # # : 36 : TAILQ_REMOVE(&nvme_ctrlr->pending_resets, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2011 : :
2012 : 36 : bdev_nvme_reset_io_continue(bio, rc);
2013 : : }
2014 : 661 : }
2015 : :
2016 : : /* This function marks the current trid as failed by storing the current ticks
2017 : : * and then sets the next trid to the active trid within a controller if exists.
2018 : : *
2019 : : * The purpose of the boolean return value is to request the caller to disconnect
2020 : : * the current trid now to try connecting the next trid.
2021 : : */
2022 : : static bool
2023 : 909 : bdev_nvme_failover_trid(struct nvme_ctrlr *nvme_ctrlr, bool remove, bool start)
2024 : : {
2025 : : struct nvme_path_id *path_id, *next_path;
2026 : : int rc __attribute__((unused));
2027 : :
2028 [ # # # # : 909 : path_id = TAILQ_FIRST(&nvme_ctrlr->trids);
# # ]
2029 [ - + # # ]: 909 : assert(path_id);
2030 [ - + # # : 909 : assert(path_id == nvme_ctrlr->active_path_id);
# # # # ]
2031 [ # # # # : 909 : next_path = TAILQ_NEXT(path_id, link);
# # ]
2032 : :
2033 : : /* Update the last failed time. It means the trid is failed if its last
2034 : : * failed time is non-zero.
2035 : : */
2036 [ # # # # ]: 909 : path_id->last_failed_tsc = spdk_get_ticks();
2037 : :
2038 [ + + ]: 909 : if (next_path == NULL) {
2039 : : /* There is no alternate trid within a controller. */
2040 : 860 : return false;
2041 : : }
2042 : :
2043 [ + + + + : 49 : if (!start && nvme_ctrlr->opts.reconnect_delay_sec == 0) {
# # # # #
# # # ]
2044 : : /* Connect is not retried in a controller reset sequence. Connecting
2045 : : * the next trid will be done by the next bdev_nvme_failover_ctrlr() call.
2046 : : */
2047 : 9 : return false;
2048 : : }
2049 : :
2050 [ - + # # : 40 : assert(path_id->trid.trtype != SPDK_NVME_TRANSPORT_PCIE);
# # # # #
# ]
2051 : :
2052 [ + - # # : 40 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Start failover from %s:%s to %s:%s\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2053 : : path_id->trid.traddr, path_id->trid.trsvcid,
2054 : : next_path->trid.traddr, next_path->trid.trsvcid);
2055 : :
2056 [ # # # # ]: 40 : spdk_nvme_ctrlr_fail(nvme_ctrlr->ctrlr);
2057 [ # # # # ]: 40 : nvme_ctrlr->active_path_id = next_path;
2058 [ # # # # : 40 : rc = spdk_nvme_ctrlr_set_trid(nvme_ctrlr->ctrlr, &next_path->trid);
# # ]
2059 [ - + # # ]: 40 : assert(rc == 0);
2060 [ + - # # : 40 : TAILQ_REMOVE(&nvme_ctrlr->trids, path_id, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2061 [ + + # # ]: 40 : if (!remove) {
2062 : : /** Shuffle the old trid to the end of the list and use the new one.
2063 : : * Allows for round robin through multiple connections.
2064 : : */
2065 [ # # # # : 30 : TAILQ_INSERT_TAIL(&nvme_ctrlr->trids, path_id, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
2066 : 0 : } else {
2067 : 10 : free(path_id);
2068 : : }
2069 : :
2070 [ + + + + : 40 : if (start || next_path->last_failed_tsc == 0) {
# # # # #
# ]
2071 : : /* bdev_nvme_failover_ctrlr() is just called or the next trid is not failed
2072 : : * or used yet. Try the next trid now.
2073 : : */
2074 : 37 : return true;
2075 : : }
2076 : :
2077 [ # # # # : 3 : if (spdk_get_ticks() > next_path->last_failed_tsc + spdk_get_ticks_hz() *
# # ]
2078 [ - + # # : 3 : nvme_ctrlr->opts.reconnect_delay_sec) {
# # ]
2079 : : /* Enough backoff passed since the next trid failed. Try the next trid now. */
2080 : 0 : return true;
2081 : : }
2082 : :
2083 : : /* The next trid will be tried after reconnect_delay_sec seconds. */
2084 : 3 : return false;
2085 : 0 : }
2086 : :
2087 : : static bool
2088 : 709141 : bdev_nvme_check_ctrlr_loss_timeout(struct nvme_ctrlr *nvme_ctrlr)
2089 : : {
2090 : : int32_t elapsed;
2091 : :
2092 [ + + # # : 709141 : if (nvme_ctrlr->opts.ctrlr_loss_timeout_sec == 0 ||
# # # # #
# ]
2093 [ + + # # : 213865 : nvme_ctrlr->opts.ctrlr_loss_timeout_sec == -1) {
# # ]
2094 : 501637 : return false;
2095 : : }
2096 : :
2097 [ - + # # : 207504 : elapsed = (spdk_get_ticks() - nvme_ctrlr->reset_start_tsc) / spdk_get_ticks_hz();
# # ]
2098 [ + + # # : 207504 : if (elapsed >= nvme_ctrlr->opts.ctrlr_loss_timeout_sec) {
# # # # ]
2099 : 64 : return true;
2100 : : } else {
2101 : 207440 : return false;
2102 : : }
2103 : 0 : }
2104 : :
2105 : : static bool
2106 : 81 : bdev_nvme_check_fast_io_fail_timeout(struct nvme_ctrlr *nvme_ctrlr)
2107 : : {
2108 : : uint32_t elapsed;
2109 : :
2110 [ + + # # : 81 : if (nvme_ctrlr->opts.fast_io_fail_timeout_sec == 0) {
# # # # ]
2111 : 54 : return false;
2112 : : }
2113 : :
2114 [ - + # # : 27 : elapsed = (spdk_get_ticks() - nvme_ctrlr->reset_start_tsc) / spdk_get_ticks_hz();
# # ]
2115 [ + + # # : 27 : if (elapsed >= nvme_ctrlr->opts.fast_io_fail_timeout_sec) {
# # # # ]
2116 : 13 : return true;
2117 : : } else {
2118 : 14 : return false;
2119 : : }
2120 : 0 : }
2121 : :
2122 : : static void bdev_nvme_reset_ctrlr_complete(struct nvme_ctrlr *nvme_ctrlr, bool success);
2123 : :
2124 : : static void
2125 : 664 : nvme_ctrlr_disconnect(struct nvme_ctrlr *nvme_ctrlr, nvme_ctrlr_disconnected_cb cb_fn)
2126 : : {
2127 : : int rc;
2128 : :
2129 [ - + + + : 664 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start disconnecting ctrlr.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2130 : :
2131 [ # # # # ]: 664 : rc = spdk_nvme_ctrlr_disconnect(nvme_ctrlr->ctrlr);
2132 [ + + ]: 664 : if (rc != 0) {
2133 [ + - # # : 3 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "disconnecting ctrlr failed.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2134 : :
2135 : : /* Disconnect fails if ctrlr is already resetting or removed. In this case,
2136 : : * fail the reset sequence immediately.
2137 : : */
2138 : 3 : bdev_nvme_reset_ctrlr_complete(nvme_ctrlr, false);
2139 : 3 : return;
2140 : : }
2141 : :
2142 : : /* spdk_nvme_ctrlr_disconnect() may complete asynchronously later by polling adminq.
2143 : : * Set callback here to execute the specified operation after ctrlr is really disconnected.
2144 : : */
2145 [ - + # # : 661 : assert(nvme_ctrlr->disconnected_cb == NULL);
# # # # ]
2146 [ # # # # ]: 661 : nvme_ctrlr->disconnected_cb = cb_fn;
2147 : :
2148 : : /* During disconnection, reduce the period to poll adminq more often. */
2149 : 661 : bdev_nvme_change_adminq_poll_period(nvme_ctrlr, 0);
2150 : 0 : }
2151 : :
2152 : : enum bdev_nvme_op_after_reset {
2153 : : OP_NONE,
2154 : : OP_COMPLETE_PENDING_DESTRUCT,
2155 : : OP_DESTRUCT,
2156 : : OP_DELAYED_RECONNECT,
2157 : : OP_FAILOVER,
2158 : : };
2159 : :
2160 : : typedef enum bdev_nvme_op_after_reset _bdev_nvme_op_after_reset;
2161 : :
2162 : : static _bdev_nvme_op_after_reset
2163 : 661 : bdev_nvme_check_op_after_reset(struct nvme_ctrlr *nvme_ctrlr, bool success)
2164 : : {
2165 [ + + ]: 661 : if (nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
2166 : : /* Complete pending destruct after reset completes. */
2167 : 15 : return OP_COMPLETE_PENDING_DESTRUCT;
2168 [ + + # # ]: 646 : } else if (nvme_ctrlr->pending_failover) {
2169 [ # # ]: 9 : nvme_ctrlr->pending_failover = false;
2170 [ # # # # ]: 9 : nvme_ctrlr->reset_start_tsc = 0;
2171 : 9 : return OP_FAILOVER;
2172 [ + + + + : 637 : } else if (success || nvme_ctrlr->opts.reconnect_delay_sec == 0) {
# # # # #
# # # ]
2173 [ # # # # ]: 527 : nvme_ctrlr->reset_start_tsc = 0;
2174 : 527 : return OP_NONE;
2175 [ + + ]: 110 : } else if (bdev_nvme_check_ctrlr_loss_timeout(nvme_ctrlr)) {
2176 : 29 : return OP_DESTRUCT;
2177 : : } else {
2178 [ + + ]: 81 : if (bdev_nvme_check_fast_io_fail_timeout(nvme_ctrlr)) {
2179 [ # # ]: 13 : nvme_ctrlr->fast_io_fail_timedout = true;
2180 : 0 : }
2181 : 81 : return OP_DELAYED_RECONNECT;
2182 : : }
2183 : 0 : }
2184 : :
2185 : : static int bdev_nvme_delete_ctrlr(struct nvme_ctrlr *nvme_ctrlr, bool hotplug);
2186 : : static void bdev_nvme_reconnect_ctrlr(struct nvme_ctrlr *nvme_ctrlr);
2187 : :
2188 : : static int
2189 : 72 : bdev_nvme_reconnect_delay_timer_expired(void *ctx)
2190 : : {
2191 : 72 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2192 : :
2193 : 36 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_reconnect_delay, nvme_ctrlr->nbdev_ctrlr->name);
2194 [ - + # # ]: 72 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2195 : :
2196 [ # # ]: 72 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
2197 : :
2198 [ - + # # ]: 72 : if (!nvme_ctrlr->reconnect_is_delayed) {
2199 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2200 : 0 : return SPDK_POLLER_BUSY;
2201 : : }
2202 : :
2203 [ # # ]: 72 : nvme_ctrlr->reconnect_is_delayed = false;
2204 : :
2205 [ - + # # ]: 72 : if (nvme_ctrlr->destruct) {
2206 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2207 : 0 : return SPDK_POLLER_BUSY;
2208 : : }
2209 : :
2210 [ - + # # : 72 : assert(nvme_ctrlr->resetting == false);
# # ]
2211 [ # # ]: 72 : nvme_ctrlr->resetting = true;
2212 : :
2213 [ - + # # ]: 72 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2214 : :
2215 [ # # # # ]: 72 : spdk_poller_resume(nvme_ctrlr->adminq_timer_poller);
2216 : :
2217 : 72 : bdev_nvme_reconnect_ctrlr(nvme_ctrlr);
2218 : 72 : return SPDK_POLLER_BUSY;
2219 : 0 : }
2220 : :
2221 : : static void
2222 : 81 : bdev_nvme_start_reconnect_delay_timer(struct nvme_ctrlr *nvme_ctrlr)
2223 : : {
2224 [ # # # # ]: 81 : spdk_poller_pause(nvme_ctrlr->adminq_timer_poller);
2225 : :
2226 [ - + # # : 81 : assert(nvme_ctrlr->reconnect_is_delayed == false);
# # ]
2227 [ # # ]: 81 : nvme_ctrlr->reconnect_is_delayed = true;
2228 : :
2229 [ - + # # : 81 : assert(nvme_ctrlr->reconnect_delay_timer == NULL);
# # # # ]
2230 [ # # # # : 81 : nvme_ctrlr->reconnect_delay_timer = SPDK_POLLER_REGISTER(bdev_nvme_reconnect_delay_timer_expired,
# # # # #
# ]
2231 : : nvme_ctrlr,
2232 : : nvme_ctrlr->opts.reconnect_delay_sec * SPDK_SEC_TO_USEC);
2233 : 81 : }
2234 : :
2235 : : static void remove_discovery_entry(struct nvme_ctrlr *nvme_ctrlr);
2236 : :
2237 : : static void
2238 : 661 : bdev_nvme_reset_ctrlr_complete(struct nvme_ctrlr *nvme_ctrlr, bool success)
2239 : : {
2240 [ # # # # ]: 661 : bdev_nvme_ctrlr_op_cb ctrlr_op_cb_fn = nvme_ctrlr->ctrlr_op_cb_fn;
2241 [ # # # # ]: 661 : void *ctrlr_op_cb_arg = nvme_ctrlr->ctrlr_op_cb_arg;
2242 : : enum bdev_nvme_op_after_reset op_after_reset;
2243 : :
2244 [ - + # # : 661 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2245 : :
2246 [ - + # # ]: 661 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2247 [ + + # # ]: 661 : if (!success) {
2248 : : /* Connecting the active trid failed. Set the next alternate trid to the
2249 : : * active trid if it exists.
2250 : : */
2251 [ + + ]: 475 : if (bdev_nvme_failover_trid(nvme_ctrlr, false, false)) {
2252 : : /* The next alternate trid exists and is ready to try. Try it now. */
2253 [ - + # # ]: 6 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2254 : :
2255 [ - + - + : 6 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Try the next alternate trid %s:%s now.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
2256 : : nvme_ctrlr->active_path_id->trid.traddr,
2257 : : nvme_ctrlr->active_path_id->trid.trsvcid);
2258 : :
2259 : 6 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_reconnect_ctrlr);
2260 : 6 : return;
2261 : : }
2262 : :
2263 : : /* We came here if there is no alternate trid or if the next trid exists but
2264 : : * is not ready to try. We will try the active trid after reconnect_delay_sec
2265 : : * seconds if it is non-zero or at the next reset call otherwise.
2266 : : */
2267 : 0 : } else {
2268 : : /* Connecting the active trid succeeded. Clear the last failed time because it
2269 : : * means the trid is failed if its last failed time is non-zero.
2270 : : */
2271 [ # # # # : 186 : nvme_ctrlr->active_path_id->last_failed_tsc = 0;
# # # # ]
2272 : : }
2273 : :
2274 [ - + + + : 655 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Clear pending resets.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2275 : :
2276 : : /* Make sure we clear any pending resets before returning. */
2277 [ # # ]: 655 : bdev_nvme_complete_pending_resets(nvme_ctrlr, success);
2278 : :
2279 [ + + # # ]: 655 : if (!success) {
2280 [ + - # # : 469 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Resetting controller failed.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2281 : 0 : } else {
2282 [ + + # # : 186 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Resetting controller successful.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2283 : : }
2284 : :
2285 [ # # ]: 655 : nvme_ctrlr->resetting = false;
2286 [ # # ]: 655 : nvme_ctrlr->dont_retry = false;
2287 [ # # ]: 655 : nvme_ctrlr->in_failover = false;
2288 : :
2289 [ # # # # ]: 655 : nvme_ctrlr->ctrlr_op_cb_fn = NULL;
2290 [ # # # # ]: 655 : nvme_ctrlr->ctrlr_op_cb_arg = NULL;
2291 : :
2292 [ # # ]: 655 : op_after_reset = bdev_nvme_check_op_after_reset(nvme_ctrlr, success);
2293 [ - + # # ]: 655 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2294 : :
2295 : : /* Delay callbacks when the next operation is a failover. */
2296 [ + + + - ]: 655 : if (ctrlr_op_cb_fn && op_after_reset != OP_FAILOVER) {
2297 [ + + # # : 101 : ctrlr_op_cb_fn(ctrlr_op_cb_arg, success ? 0 : -1);
# # ]
2298 : 0 : }
2299 : :
2300 [ + + + + : 655 : switch (op_after_reset) {
+ ]
2301 : 15 : case OP_COMPLETE_PENDING_DESTRUCT:
2302 : 15 : nvme_ctrlr_unregister(nvme_ctrlr);
2303 : 15 : break;
2304 : 29 : case OP_DESTRUCT:
2305 : 29 : bdev_nvme_delete_ctrlr(nvme_ctrlr, false);
2306 : 29 : remove_discovery_entry(nvme_ctrlr);
2307 : 29 : break;
2308 : 81 : case OP_DELAYED_RECONNECT:
2309 : 81 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_start_reconnect_delay_timer);
2310 : 81 : break;
2311 : 9 : case OP_FAILOVER:
2312 [ # # # # ]: 9 : nvme_ctrlr->ctrlr_op_cb_fn = ctrlr_op_cb_fn;
2313 [ # # # # ]: 9 : nvme_ctrlr->ctrlr_op_cb_arg = ctrlr_op_cb_arg;
2314 : 9 : bdev_nvme_failover_ctrlr(nvme_ctrlr);
2315 : 9 : break;
2316 : 521 : default:
2317 : 521 : break;
2318 : : }
2319 : 0 : }
2320 : :
2321 : : static void
2322 : 0 : bdev_nvme_reset_create_qpairs_failed(struct nvme_ctrlr *nvme_ctrlr, void *ctx, int status)
2323 : : {
2324 : 0 : bdev_nvme_reset_ctrlr_complete(nvme_ctrlr, false);
2325 : 0 : }
2326 : :
2327 : : static void
2328 : 646 : bdev_nvme_reset_destroy_qpair(struct nvme_ctrlr_channel_iter *i,
2329 : : struct nvme_ctrlr *nvme_ctrlr,
2330 : : struct nvme_ctrlr_channel *ctrlr_ch, void *ctx)
2331 : : {
2332 : : struct nvme_qpair *nvme_qpair;
2333 : : struct spdk_nvme_qpair *qpair;
2334 : :
2335 [ # # # # ]: 646 : nvme_qpair = ctrlr_ch->qpair;
2336 [ - + # # ]: 646 : assert(nvme_qpair != NULL);
2337 : :
2338 : 646 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
2339 : :
2340 [ # # # # ]: 646 : qpair = nvme_qpair->qpair;
2341 [ + + ]: 646 : if (qpair != NULL) {
2342 [ - + + + : 260 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start disconnecting qpair %p:%u.\n",
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2343 : : qpair, spdk_nvme_qpair_get_id(qpair));
2344 : :
2345 [ + + # # : 260 : if (nvme_qpair->ctrlr->dont_retry) {
# # # # ]
2346 : 204 : spdk_nvme_qpair_set_abort_dnr(qpair, true);
2347 : 0 : }
2348 : 260 : spdk_nvme_ctrlr_disconnect_io_qpair(qpair);
2349 : :
2350 : : /* The current full reset sequence will move to the next
2351 : : * ctrlr_channel after the qpair is actually disconnected.
2352 : : */
2353 [ - + # # : 260 : assert(ctrlr_ch->reset_iter == NULL);
# # # # ]
2354 [ # # # # ]: 260 : ctrlr_ch->reset_iter = i;
2355 : 0 : } else {
2356 : 386 : nvme_ctrlr_for_each_channel_continue(i, 0);
2357 : : }
2358 : 646 : }
2359 : :
2360 : : static void
2361 : 186 : bdev_nvme_reset_create_qpairs_done(struct nvme_ctrlr *nvme_ctrlr, void *ctx, int status)
2362 : : {
2363 [ + - ]: 186 : if (status == 0) {
2364 [ - + - + : 186 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpairs were created after ctrlr reset.\n");
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2365 : :
2366 : 186 : bdev_nvme_reset_ctrlr_complete(nvme_ctrlr, true);
2367 : 0 : } else {
2368 [ # # # # : 0 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpairs were failed to create after ctrlr reset.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2369 : :
2370 : : /* Delete the added qpairs and quiesce ctrlr to make the states clean. */
2371 : 0 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
2372 : : bdev_nvme_reset_destroy_qpair,
2373 : : NULL,
2374 : : bdev_nvme_reset_create_qpairs_failed);
2375 : : }
2376 : 186 : }
2377 : :
2378 : : static int
2379 : 15987 : bdev_nvme_reset_check_qpair_connected(void *ctx)
2380 : : {
2381 : 15987 : struct nvme_ctrlr_channel *ctrlr_ch = ctx;
2382 [ # # # # ]: 15987 : struct nvme_qpair *nvme_qpair = ctrlr_ch->qpair;
2383 : : struct spdk_nvme_qpair *qpair;
2384 : :
2385 [ - + # # : 15987 : if (ctrlr_ch->reset_iter == NULL) {
# # ]
2386 : : /* qpair was already failed to connect and the reset sequence is being aborted. */
2387 [ # # # # : 0 : assert(ctrlr_ch->connect_poller == NULL);
# # # # ]
2388 [ # # # # : 0 : assert(nvme_qpair->qpair == NULL);
# # # # ]
2389 : :
2390 [ # # # # : 0 : NVME_CTRLR_INFOLOG(nvme_qpair->ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
2391 : : "qpair was already failed to connect. reset is being aborted.\n");
2392 : 0 : return SPDK_POLLER_BUSY;
2393 : : }
2394 : :
2395 [ # # # # ]: 15987 : qpair = nvme_qpair->qpair;
2396 [ - + # # ]: 15987 : assert(qpair != NULL);
2397 : :
2398 [ + + ]: 15987 : if (!spdk_nvme_qpair_is_connected(qpair)) {
2399 : 15739 : return SPDK_POLLER_BUSY;
2400 : : }
2401 : :
2402 [ - + - + : 248 : NVME_CTRLR_INFOLOG(nvme_qpair->ctrlr, "qpair %p:%u was connected.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
2403 : : qpair, spdk_nvme_qpair_get_id(qpair));
2404 : :
2405 [ # # ]: 248 : spdk_poller_unregister(&ctrlr_ch->connect_poller);
2406 : :
2407 : : /* qpair was completed to connect. Move to the next ctrlr_channel */
2408 [ # # # # ]: 248 : nvme_ctrlr_for_each_channel_continue(ctrlr_ch->reset_iter, 0);
2409 [ # # # # ]: 248 : ctrlr_ch->reset_iter = NULL;
2410 : :
2411 [ + + + + : 248 : if (!g_opts.disable_auto_failback) {
# # ]
2412 : 197 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
2413 : 0 : }
2414 : :
2415 : 248 : return SPDK_POLLER_BUSY;
2416 : 0 : }
2417 : :
2418 : : static void
2419 : 248 : bdev_nvme_reset_create_qpair(struct nvme_ctrlr_channel_iter *i,
2420 : : struct nvme_ctrlr *nvme_ctrlr,
2421 : : struct nvme_ctrlr_channel *ctrlr_ch,
2422 : : void *ctx)
2423 : : {
2424 [ # # # # ]: 248 : struct nvme_qpair *nvme_qpair = ctrlr_ch->qpair;
2425 : : struct spdk_nvme_qpair *qpair;
2426 : 248 : int rc = 0;
2427 : :
2428 [ + - # # : 248 : if (nvme_qpair->qpair == NULL) {
# # ]
2429 : 248 : rc = bdev_nvme_create_qpair(nvme_qpair);
2430 : 0 : }
2431 [ + - ]: 248 : if (rc == 0) {
2432 [ # # # # ]: 248 : ctrlr_ch->connect_poller = SPDK_POLLER_REGISTER(bdev_nvme_reset_check_qpair_connected,
2433 : : ctrlr_ch, 0);
2434 : :
2435 [ # # # # ]: 248 : qpair = nvme_qpair->qpair;
2436 : :
2437 [ - + - + : 248 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start checking qpair %p:%u to be connected.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2438 : : qpair, spdk_nvme_qpair_get_id(qpair));
2439 : :
2440 : : /* The current full reset sequence will move to the next
2441 : : * ctrlr_channel after the qpair is actually connected.
2442 : : */
2443 [ - + # # : 248 : assert(ctrlr_ch->reset_iter == NULL);
# # # # ]
2444 [ # # # # ]: 248 : ctrlr_ch->reset_iter = i;
2445 : 0 : } else {
2446 : 0 : nvme_ctrlr_for_each_channel_continue(i, rc);
2447 : : }
2448 : 248 : }
2449 : :
2450 : : static void
2451 : 186 : nvme_ctrlr_check_namespaces(struct nvme_ctrlr *nvme_ctrlr)
2452 : : {
2453 [ # # # # ]: 186 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
2454 : : struct nvme_ns *nvme_ns;
2455 : :
2456 [ # # ]: 186 : for (nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
2457 [ + + ]: 335 : nvme_ns != NULL;
2458 : 149 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns)) {
2459 [ + + # # : 149 : if (!spdk_nvme_ctrlr_is_active_ns(ctrlr, nvme_ns->id)) {
# # ]
2460 [ - + - + : 3 : SPDK_DEBUGLOG(bdev_nvme, "NSID %u was removed during reset.\n", nvme_ns->id);
# # # # #
# ]
2461 : : /* NS can be added again. Just nullify nvme_ns->ns. */
2462 [ # # # # ]: 3 : nvme_ns->ns = NULL;
2463 : 0 : }
2464 : 0 : }
2465 : 186 : }
2466 : :
2467 : :
2468 : : static int
2469 : 709016 : bdev_nvme_reconnect_ctrlr_poll(void *arg)
2470 : : {
2471 : 709016 : struct nvme_ctrlr *nvme_ctrlr = arg;
2472 : : struct spdk_nvme_transport_id *trid;
2473 : 709016 : int rc = -ETIMEDOUT;
2474 : :
2475 [ + + ]: 709016 : if (bdev_nvme_check_ctrlr_loss_timeout(nvme_ctrlr)) {
2476 : : /* Mark the ctrlr as failed. The next call to
2477 : : * spdk_nvme_ctrlr_reconnect_poll_async() will then
2478 : : * do the necessary cleanup and return failure.
2479 : : */
2480 [ # # # # ]: 29 : spdk_nvme_ctrlr_fail(nvme_ctrlr->ctrlr);
2481 : 0 : }
2482 : :
2483 [ # # # # ]: 709016 : rc = spdk_nvme_ctrlr_reconnect_poll_async(nvme_ctrlr->ctrlr);
2484 [ + + ]: 709016 : if (rc == -EAGAIN) {
2485 : 708358 : return SPDK_POLLER_BUSY;
2486 : : }
2487 : :
2488 [ # # ]: 658 : spdk_poller_unregister(&nvme_ctrlr->reset_detach_poller);
2489 [ + + ]: 658 : if (rc == 0) {
2490 [ # # # # : 186 : trid = &nvme_ctrlr->active_path_id->trid;
# # ]
2491 : :
2492 [ + + # # : 186 : if (spdk_nvme_trtype_is_fabrics(trid->trtype)) {
# # ]
2493 [ - + - + : 148 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was connected to %s:%s. Create qpairs.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2494 : : trid->traddr, trid->trsvcid);
2495 : 0 : } else {
2496 [ - + - + : 38 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was connected. Create qpairs.\n");
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2497 : : }
2498 : :
2499 : 186 : nvme_ctrlr_check_namespaces(nvme_ctrlr);
2500 : :
2501 : : /* Recreate all of the I/O queue pairs */
2502 : 186 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
2503 : : bdev_nvme_reset_create_qpair,
2504 : : NULL,
2505 : : bdev_nvme_reset_create_qpairs_done);
2506 : 0 : } else {
2507 [ - + + + : 472 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr could not be connected.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2508 : :
2509 : 472 : bdev_nvme_reset_ctrlr_complete(nvme_ctrlr, false);
2510 : : }
2511 : 658 : return SPDK_POLLER_BUSY;
2512 : 0 : }
2513 : :
2514 : : static void
2515 : 658 : bdev_nvme_reconnect_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2516 : : {
2517 [ - + + + : 658 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start reconnecting ctrlr.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2518 : :
2519 [ # # # # ]: 658 : spdk_nvme_ctrlr_reconnect_async(nvme_ctrlr->ctrlr);
2520 : :
2521 : 104 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_reconnect, nvme_ctrlr->nbdev_ctrlr->name);
2522 [ - + # # : 658 : assert(nvme_ctrlr->reset_detach_poller == NULL);
# # # # ]
2523 [ # # # # ]: 658 : nvme_ctrlr->reset_detach_poller = SPDK_POLLER_REGISTER(bdev_nvme_reconnect_ctrlr_poll,
2524 : : nvme_ctrlr, 0);
2525 : 658 : }
2526 : :
2527 : : static void
2528 : 574 : bdev_nvme_reset_destroy_qpair_done(struct nvme_ctrlr *nvme_ctrlr, void *ctx, int status)
2529 : : {
2530 : 68 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_reset, nvme_ctrlr->nbdev_ctrlr->name);
2531 [ - + # # ]: 574 : assert(status == 0);
2532 : :
2533 [ - + + + : 574 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpairs were deleted.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2534 : :
2535 [ + + # # : 574 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2536 : 38 : bdev_nvme_reconnect_ctrlr(nvme_ctrlr);
2537 : 0 : } else {
2538 : 536 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_reconnect_ctrlr);
2539 : : }
2540 : 574 : }
2541 : :
2542 : : static void
2543 : 574 : bdev_nvme_reset_destroy_qpairs(struct nvme_ctrlr *nvme_ctrlr)
2544 : : {
2545 [ - + + + : 574 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Delete qpairs for reset.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2546 : :
2547 : 574 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
2548 : : bdev_nvme_reset_destroy_qpair,
2549 : : NULL,
2550 : : bdev_nvme_reset_destroy_qpair_done);
2551 : 574 : }
2552 : :
2553 : : static void
2554 : 9 : bdev_nvme_reconnect_ctrlr_now(void *ctx)
2555 : : {
2556 : 9 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2557 : :
2558 [ - + # # : 9 : assert(nvme_ctrlr->resetting == true);
# # ]
2559 [ - + # # : 9 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2560 : :
2561 [ # # ]: 9 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
2562 : :
2563 [ # # # # ]: 9 : spdk_poller_resume(nvme_ctrlr->adminq_timer_poller);
2564 : :
2565 : 9 : bdev_nvme_reconnect_ctrlr(nvme_ctrlr);
2566 : 9 : }
2567 : :
2568 : : static void
2569 : 574 : _bdev_nvme_reset_ctrlr(void *ctx)
2570 : : {
2571 : 574 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2572 : :
2573 [ - + # # : 574 : assert(nvme_ctrlr->resetting == true);
# # ]
2574 [ - + # # : 574 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2575 : :
2576 [ + + # # : 574 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2577 : 38 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_reset_destroy_qpairs);
2578 : 0 : } else {
2579 : 536 : bdev_nvme_reset_destroy_qpairs(nvme_ctrlr);
2580 : : }
2581 : 574 : }
2582 : :
2583 : : static int
2584 : 200 : bdev_nvme_reset_ctrlr_unsafe(struct nvme_ctrlr *nvme_ctrlr, spdk_msg_fn *msg_fn)
2585 : : {
2586 [ + + # # ]: 200 : if (nvme_ctrlr->destruct) {
2587 : 9 : return -ENXIO;
2588 : : }
2589 : :
2590 [ + + # # ]: 191 : if (nvme_ctrlr->resetting) {
2591 [ + - # # : 42 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Unable to perform reset, already in progress.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2592 : 42 : return -EBUSY;
2593 : : }
2594 : :
2595 [ + + # # ]: 149 : if (nvme_ctrlr->disabled) {
2596 [ + - # # : 3 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Unable to perform reset. Controller is disabled.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2597 : 3 : return -EALREADY;
2598 : : }
2599 : :
2600 [ # # ]: 146 : nvme_ctrlr->resetting = true;
2601 [ # # ]: 146 : nvme_ctrlr->dont_retry = true;
2602 : :
2603 [ + + # # ]: 146 : if (nvme_ctrlr->reconnect_is_delayed) {
2604 [ - + - + : 3 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Reconnect is already scheduled.\n");
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2605 [ # # ]: 3 : *msg_fn = bdev_nvme_reconnect_ctrlr_now;
2606 [ # # ]: 3 : nvme_ctrlr->reconnect_is_delayed = false;
2607 : 0 : } else {
2608 [ # # ]: 143 : *msg_fn = _bdev_nvme_reset_ctrlr;
2609 [ - + # # : 143 : assert(nvme_ctrlr->reset_start_tsc == 0);
# # # # ]
2610 : : }
2611 : :
2612 [ # # # # ]: 146 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
2613 : :
2614 : 146 : return 0;
2615 : 0 : }
2616 : :
2617 : : static int
2618 : 81 : bdev_nvme_reset_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2619 : : {
2620 : 75 : spdk_msg_fn msg_fn;
2621 : : int rc;
2622 : :
2623 [ - + # # ]: 81 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2624 : 81 : rc = bdev_nvme_reset_ctrlr_unsafe(nvme_ctrlr, &msg_fn);
2625 [ - + # # ]: 81 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2626 : :
2627 [ + + ]: 81 : if (rc == 0) {
2628 [ # # # # ]: 66 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
2629 : 0 : }
2630 : :
2631 : 81 : return rc;
2632 : : }
2633 : :
2634 : : static int
2635 : 9 : bdev_nvme_enable_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2636 : : {
2637 [ - + # # ]: 9 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2638 [ - + # # ]: 9 : if (nvme_ctrlr->destruct) {
2639 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2640 : 0 : return -ENXIO;
2641 : : }
2642 : :
2643 [ - + # # ]: 9 : if (nvme_ctrlr->resetting) {
2644 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2645 : 0 : return -EBUSY;
2646 : : }
2647 : :
2648 [ + + # # ]: 9 : if (!nvme_ctrlr->disabled) {
2649 [ - + # # ]: 3 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2650 : 3 : return -EALREADY;
2651 : : }
2652 : :
2653 [ # # ]: 6 : nvme_ctrlr->disabled = false;
2654 [ # # ]: 6 : nvme_ctrlr->resetting = true;
2655 : :
2656 [ # # # # ]: 6 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
2657 : :
2658 [ - + # # ]: 6 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2659 : :
2660 [ # # # # ]: 6 : spdk_thread_send_msg(nvme_ctrlr->thread, bdev_nvme_reconnect_ctrlr_now, nvme_ctrlr);
2661 : 6 : return 0;
2662 : 0 : }
2663 : :
2664 : : static void
2665 : 6 : bdev_nvme_disable_ctrlr_complete(struct nvme_ctrlr *nvme_ctrlr)
2666 : : {
2667 [ # # # # ]: 6 : bdev_nvme_ctrlr_op_cb ctrlr_op_cb_fn = nvme_ctrlr->ctrlr_op_cb_fn;
2668 [ # # # # ]: 6 : void *ctrlr_op_cb_arg = nvme_ctrlr->ctrlr_op_cb_arg;
2669 : : enum bdev_nvme_op_after_reset op_after_disable;
2670 : :
2671 [ - + # # : 6 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2672 : :
2673 [ # # # # ]: 6 : nvme_ctrlr->ctrlr_op_cb_fn = NULL;
2674 [ # # # # ]: 6 : nvme_ctrlr->ctrlr_op_cb_arg = NULL;
2675 : :
2676 [ - + # # ]: 6 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2677 : :
2678 [ # # ]: 6 : nvme_ctrlr->resetting = false;
2679 [ # # ]: 6 : nvme_ctrlr->dont_retry = false;
2680 : :
2681 : 6 : op_after_disable = bdev_nvme_check_op_after_reset(nvme_ctrlr, true);
2682 : :
2683 [ # # ]: 6 : nvme_ctrlr->disabled = true;
2684 [ # # # # ]: 6 : spdk_poller_pause(nvme_ctrlr->adminq_timer_poller);
2685 : :
2686 : : /* Make sure we clear any pending resets before returning. */
2687 : 6 : bdev_nvme_complete_pending_resets(nvme_ctrlr, true);
2688 : :
2689 [ - + # # ]: 6 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2690 : :
2691 [ - + ]: 6 : if (ctrlr_op_cb_fn) {
2692 [ # # # # ]: 0 : ctrlr_op_cb_fn(ctrlr_op_cb_arg, 0);
2693 : 0 : }
2694 : :
2695 [ - + ]: 6 : switch (op_after_disable) {
2696 : 0 : case OP_COMPLETE_PENDING_DESTRUCT:
2697 : 0 : nvme_ctrlr_unregister(nvme_ctrlr);
2698 : 0 : break;
2699 : 6 : default:
2700 : 6 : break;
2701 : : }
2702 : 6 : }
2703 : :
2704 : : static void
2705 : 3 : bdev_nvme_disable_destroy_qpairs_done(struct nvme_ctrlr *nvme_ctrlr, void *ctx, int status)
2706 : : {
2707 [ - + # # ]: 3 : assert(status == 0);
2708 : :
2709 [ - + # # : 3 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2710 : 0 : bdev_nvme_disable_ctrlr_complete(nvme_ctrlr);
2711 : 0 : } else {
2712 : 3 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_disable_ctrlr_complete);
2713 : : }
2714 : 3 : }
2715 : :
2716 : : static void
2717 : 3 : bdev_nvme_disable_destroy_qpairs(struct nvme_ctrlr *nvme_ctrlr)
2718 : : {
2719 : 3 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
2720 : : bdev_nvme_reset_destroy_qpair,
2721 : : NULL,
2722 : : bdev_nvme_disable_destroy_qpairs_done);
2723 : 3 : }
2724 : :
2725 : : static void
2726 : 3 : _bdev_nvme_cancel_reconnect_and_disable_ctrlr(void *ctx)
2727 : : {
2728 : 3 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2729 : :
2730 [ - + # # : 3 : assert(nvme_ctrlr->resetting == true);
# # ]
2731 [ - + # # : 3 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2732 : :
2733 [ # # ]: 3 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
2734 : :
2735 : 3 : bdev_nvme_disable_ctrlr_complete(nvme_ctrlr);
2736 : 3 : }
2737 : :
2738 : : static void
2739 : 3 : _bdev_nvme_disconnect_and_disable_ctrlr(void *ctx)
2740 : : {
2741 : 3 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2742 : :
2743 [ - + # # : 3 : assert(nvme_ctrlr->resetting == true);
# # ]
2744 [ - + # # : 3 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2745 : :
2746 [ - + # # : 3 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2747 : 0 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_disable_destroy_qpairs);
2748 : 0 : } else {
2749 : 3 : bdev_nvme_disable_destroy_qpairs(nvme_ctrlr);
2750 : : }
2751 : 3 : }
2752 : :
2753 : : static int
2754 : 15 : bdev_nvme_disable_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2755 : : {
2756 : : spdk_msg_fn msg_fn;
2757 : :
2758 [ - + # # ]: 15 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2759 [ + + # # ]: 15 : if (nvme_ctrlr->destruct) {
2760 [ - + # # ]: 3 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2761 : 3 : return -ENXIO;
2762 : : }
2763 : :
2764 [ + + # # ]: 12 : if (nvme_ctrlr->resetting) {
2765 [ - + # # ]: 3 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2766 : 3 : return -EBUSY;
2767 : : }
2768 : :
2769 [ + + # # ]: 9 : if (nvme_ctrlr->disabled) {
2770 [ - + # # ]: 3 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2771 : 3 : return -EALREADY;
2772 : : }
2773 : :
2774 [ # # ]: 6 : nvme_ctrlr->resetting = true;
2775 [ # # ]: 6 : nvme_ctrlr->dont_retry = true;
2776 : :
2777 [ + + # # ]: 6 : if (nvme_ctrlr->reconnect_is_delayed) {
2778 : 3 : msg_fn = _bdev_nvme_cancel_reconnect_and_disable_ctrlr;
2779 [ # # ]: 3 : nvme_ctrlr->reconnect_is_delayed = false;
2780 : 0 : } else {
2781 : 3 : msg_fn = _bdev_nvme_disconnect_and_disable_ctrlr;
2782 : : }
2783 : :
2784 [ # # # # ]: 6 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
2785 : :
2786 [ - + # # ]: 6 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2787 : :
2788 [ # # # # ]: 6 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
2789 : 6 : return 0;
2790 : 0 : }
2791 : :
2792 : : static int
2793 : 27 : nvme_ctrlr_op(struct nvme_ctrlr *nvme_ctrlr, enum nvme_ctrlr_op op,
2794 : : bdev_nvme_ctrlr_op_cb cb_fn, void *cb_arg)
2795 : : {
2796 : : int rc;
2797 : :
2798 [ + - - + ]: 27 : switch (op) {
2799 : 24 : case NVME_CTRLR_OP_RESET:
2800 : 24 : rc = bdev_nvme_reset_ctrlr(nvme_ctrlr);
2801 : 24 : break;
2802 : 0 : case NVME_CTRLR_OP_ENABLE:
2803 : 0 : rc = bdev_nvme_enable_ctrlr(nvme_ctrlr);
2804 : 0 : break;
2805 : 0 : case NVME_CTRLR_OP_DISABLE:
2806 : 0 : rc = bdev_nvme_disable_ctrlr(nvme_ctrlr);
2807 : 0 : break;
2808 : 3 : default:
2809 : 3 : rc = -EINVAL;
2810 : 3 : break;
2811 : : }
2812 : :
2813 [ + + ]: 27 : if (rc == 0) {
2814 [ - + # # : 18 : assert(nvme_ctrlr->ctrlr_op_cb_fn == NULL);
# # # # ]
2815 [ - + # # : 18 : assert(nvme_ctrlr->ctrlr_op_cb_arg == NULL);
# # # # ]
2816 [ # # # # ]: 18 : nvme_ctrlr->ctrlr_op_cb_fn = cb_fn;
2817 [ # # # # ]: 18 : nvme_ctrlr->ctrlr_op_cb_arg = cb_arg;
2818 : 0 : }
2819 : 27 : return rc;
2820 : : }
2821 : :
2822 : : struct nvme_ctrlr_op_rpc_ctx {
2823 : : struct nvme_ctrlr *nvme_ctrlr;
2824 : : struct spdk_thread *orig_thread;
2825 : : enum nvme_ctrlr_op op;
2826 : : int rc;
2827 : : bdev_nvme_ctrlr_op_cb cb_fn;
2828 : : void *cb_arg;
2829 : : };
2830 : :
2831 : : static void
2832 : 12 : _nvme_ctrlr_op_rpc_complete(void *_ctx)
2833 : : {
2834 : 12 : struct nvme_ctrlr_op_rpc_ctx *ctx = _ctx;
2835 : :
2836 [ - + # # ]: 12 : assert(ctx != NULL);
2837 [ - + # # : 12 : assert(ctx->cb_fn != NULL);
# # # # ]
2838 : :
2839 [ # # # # : 12 : ctx->cb_fn(ctx->cb_arg, ctx->rc);
# # # # #
# # # # #
# # ]
2840 : :
2841 : 12 : free(ctx);
2842 : 12 : }
2843 : :
2844 : : static void
2845 : 12 : nvme_ctrlr_op_rpc_complete(void *cb_arg, int rc)
2846 : : {
2847 : 12 : struct nvme_ctrlr_op_rpc_ctx *ctx = cb_arg;
2848 : :
2849 [ # # # # ]: 12 : ctx->rc = rc;
2850 : :
2851 [ # # # # ]: 12 : spdk_thread_send_msg(ctx->orig_thread, _nvme_ctrlr_op_rpc_complete, ctx);
2852 : 12 : }
2853 : :
2854 : : void
2855 : 12 : nvme_ctrlr_op_rpc(struct nvme_ctrlr *nvme_ctrlr, enum nvme_ctrlr_op op,
2856 : : bdev_nvme_ctrlr_op_cb cb_fn, void *cb_arg)
2857 : : {
2858 : : struct nvme_ctrlr_op_rpc_ctx *ctx;
2859 : : int rc;
2860 : :
2861 [ - + # # ]: 12 : assert(cb_fn != NULL);
2862 : :
2863 : 12 : ctx = calloc(1, sizeof(*ctx));
2864 [ - + ]: 12 : if (ctx == NULL) {
2865 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate nvme_ctrlr_op_rpc_ctx.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2866 [ # # # # ]: 0 : cb_fn(cb_arg, -ENOMEM);
2867 : 0 : return;
2868 : : }
2869 : :
2870 [ # # # # ]: 12 : ctx->orig_thread = spdk_get_thread();
2871 [ # # # # ]: 12 : ctx->cb_fn = cb_fn;
2872 [ # # # # ]: 12 : ctx->cb_arg = cb_arg;
2873 : :
2874 : 12 : rc = nvme_ctrlr_op(nvme_ctrlr, op, nvme_ctrlr_op_rpc_complete, ctx);
2875 [ + + ]: 12 : if (rc == 0) {
2876 : 3 : return;
2877 [ - + ]: 9 : } else if (rc == -EALREADY) {
2878 : 0 : rc = 0;
2879 : 0 : }
2880 : :
2881 : 9 : nvme_ctrlr_op_rpc_complete(ctx, rc);
2882 : 0 : }
2883 : :
2884 : : static void nvme_bdev_ctrlr_op_rpc_continue(void *cb_arg, int rc);
2885 : :
2886 : : static void
2887 : 15 : _nvme_bdev_ctrlr_op_rpc_continue(void *_ctx)
2888 : : {
2889 : 15 : struct nvme_ctrlr_op_rpc_ctx *ctx = _ctx;
2890 : : struct nvme_ctrlr *prev_nvme_ctrlr, *next_nvme_ctrlr;
2891 : : int rc;
2892 : :
2893 [ # # # # ]: 15 : prev_nvme_ctrlr = ctx->nvme_ctrlr;
2894 [ # # # # ]: 15 : ctx->nvme_ctrlr = NULL;
2895 : :
2896 [ - + # # : 15 : if (ctx->rc != 0) {
# # ]
2897 : 0 : goto complete;
2898 : : }
2899 : :
2900 [ # # # # : 15 : next_nvme_ctrlr = TAILQ_NEXT(prev_nvme_ctrlr, tailq);
# # ]
2901 [ + + ]: 15 : if (next_nvme_ctrlr == NULL) {
2902 : 12 : goto complete;
2903 : : }
2904 : :
2905 [ # # # # ]: 3 : rc = nvme_ctrlr_op(next_nvme_ctrlr, ctx->op, nvme_bdev_ctrlr_op_rpc_continue, ctx);
2906 [ + - ]: 3 : if (rc == 0) {
2907 [ # # # # ]: 3 : ctx->nvme_ctrlr = next_nvme_ctrlr;
2908 : 3 : return;
2909 [ # # ]: 0 : } else if (rc == -EALREADY) {
2910 [ # # # # ]: 0 : ctx->nvme_ctrlr = next_nvme_ctrlr;
2911 : 0 : rc = 0;
2912 : 0 : }
2913 : :
2914 [ # # # # ]: 0 : ctx->rc = rc;
2915 : :
2916 : 12 : complete:
2917 [ # # # # : 12 : ctx->cb_fn(ctx->cb_arg, ctx->rc);
# # # # #
# # # # #
# # ]
2918 : 12 : free(ctx);
2919 : 0 : }
2920 : :
2921 : : static void
2922 : 15 : nvme_bdev_ctrlr_op_rpc_continue(void *cb_arg, int rc)
2923 : : {
2924 : 15 : struct nvme_ctrlr_op_rpc_ctx *ctx = cb_arg;
2925 : :
2926 [ # # # # ]: 15 : ctx->rc = rc;
2927 : :
2928 [ # # # # ]: 15 : spdk_thread_send_msg(ctx->orig_thread, _nvme_bdev_ctrlr_op_rpc_continue, ctx);
2929 : 15 : }
2930 : :
2931 : : void
2932 : 12 : nvme_bdev_ctrlr_op_rpc(struct nvme_bdev_ctrlr *nbdev_ctrlr, enum nvme_ctrlr_op op,
2933 : : bdev_nvme_ctrlr_op_cb cb_fn, void *cb_arg)
2934 : : {
2935 : : struct nvme_ctrlr_op_rpc_ctx *ctx;
2936 : : struct nvme_ctrlr *nvme_ctrlr;
2937 : : int rc;
2938 : :
2939 [ - + # # ]: 12 : assert(cb_fn != NULL);
2940 : :
2941 : 12 : ctx = calloc(1, sizeof(*ctx));
2942 [ - + ]: 12 : if (ctx == NULL) {
2943 : 0 : SPDK_ERRLOG("Failed to allocate nvme_ctrlr_op_rpc_ctx.\n");
2944 [ # # # # ]: 0 : cb_fn(cb_arg, -ENOMEM);
2945 : 0 : return;
2946 : : }
2947 : :
2948 [ # # # # ]: 12 : ctx->orig_thread = spdk_get_thread();
2949 [ # # # # ]: 12 : ctx->op = op;
2950 [ # # # # ]: 12 : ctx->cb_fn = cb_fn;
2951 [ # # # # ]: 12 : ctx->cb_arg = cb_arg;
2952 : :
2953 [ # # # # : 12 : nvme_ctrlr = TAILQ_FIRST(&nbdev_ctrlr->ctrlrs);
# # ]
2954 [ - + # # ]: 12 : assert(nvme_ctrlr != NULL);
2955 : :
2956 : 12 : rc = nvme_ctrlr_op(nvme_ctrlr, op, nvme_bdev_ctrlr_op_rpc_continue, ctx);
2957 [ + - ]: 12 : if (rc == 0) {
2958 [ # # # # ]: 12 : ctx->nvme_ctrlr = nvme_ctrlr;
2959 : 12 : return;
2960 [ # # ]: 0 : } else if (rc == -EALREADY) {
2961 [ # # # # ]: 0 : ctx->nvme_ctrlr = nvme_ctrlr;
2962 : 0 : rc = 0;
2963 : 0 : }
2964 : :
2965 : 0 : nvme_bdev_ctrlr_op_rpc_continue(ctx, rc);
2966 : 0 : }
2967 : :
2968 : : static int _bdev_nvme_reset_io(struct nvme_io_path *io_path, struct nvme_bdev_io *bio);
2969 : :
2970 : : static void
2971 : 89 : bdev_nvme_unfreeze_bdev_channel_done(struct nvme_bdev *nbdev, void *ctx, int status)
2972 : : {
2973 : 89 : struct nvme_bdev_io *bio = ctx;
2974 : : enum spdk_bdev_io_status io_status;
2975 : :
2976 [ + + # # : 89 : if (bio->cpl.cdw0 == 0) {
# # # # ]
2977 : 77 : io_status = SPDK_BDEV_IO_STATUS_SUCCESS;
2978 : 0 : } else {
2979 : 12 : io_status = SPDK_BDEV_IO_STATUS_FAILED;
2980 : : }
2981 : :
2982 [ - + - + : 89 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p completed, status:%d\n", bio, io_status);
# # # # #
# # # ]
2983 : :
2984 : 89 : __bdev_nvme_io_complete(spdk_bdev_io_from_ctx(bio), io_status, NULL);
2985 : 89 : }
2986 : :
2987 : : static void
2988 : 141 : bdev_nvme_unfreeze_bdev_channel(struct nvme_bdev_channel_iter *i,
2989 : : struct nvme_bdev *nbdev,
2990 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
2991 : : {
2992 : 141 : bdev_nvme_abort_retry_ios(nbdev_ch);
2993 [ # # # # ]: 141 : nbdev_ch->resetting = false;
2994 : :
2995 : 141 : nvme_bdev_for_each_channel_continue(i, 0);
2996 : 141 : }
2997 : :
2998 : : static void
2999 : 89 : bdev_nvme_reset_io_complete(struct nvme_bdev_io *bio)
3000 : : {
3001 : 89 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3002 [ # # # # : 89 : struct nvme_bdev *nbdev = (struct nvme_bdev *)bdev_io->bdev->ctxt;
# # # # ]
3003 : :
3004 : : /* Abort all queued I/Os for retry. */
3005 : 89 : nvme_bdev_for_each_channel(nbdev,
3006 : : bdev_nvme_unfreeze_bdev_channel,
3007 : 0 : bio,
3008 : : bdev_nvme_unfreeze_bdev_channel_done);
3009 : 89 : }
3010 : :
3011 : : static void
3012 : 119 : _bdev_nvme_reset_io_continue(void *ctx)
3013 : : {
3014 : 119 : struct nvme_bdev_io *bio = ctx;
3015 : : struct nvme_io_path *prev_io_path, *next_io_path;
3016 : : int rc;
3017 : :
3018 [ # # # # ]: 119 : prev_io_path = bio->io_path;
3019 [ # # # # ]: 119 : bio->io_path = NULL;
3020 : :
3021 [ # # # # : 119 : next_io_path = STAILQ_NEXT(prev_io_path, stailq);
# # ]
3022 [ + + ]: 119 : if (next_io_path == NULL) {
3023 : 89 : goto complete;
3024 : : }
3025 : :
3026 : 30 : rc = _bdev_nvme_reset_io(next_io_path, bio);
3027 [ + - ]: 30 : if (rc == 0) {
3028 : 30 : return;
3029 : : }
3030 : :
3031 : 0 : complete:
3032 : 89 : bdev_nvme_reset_io_complete(bio);
3033 : 0 : }
3034 : :
3035 : : static void
3036 : 119 : bdev_nvme_reset_io_continue(void *cb_arg, int rc)
3037 : : {
3038 : 119 : struct nvme_bdev_io *bio = cb_arg;
3039 : 119 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3040 [ # # # # : 119 : struct nvme_bdev *nbdev = (struct nvme_bdev *)bdev_io->bdev->ctxt;
# # # # ]
3041 : :
3042 [ - + - + : 119 : NVME_BDEV_INFOLOG(nbdev, "continue reset_io %p, rc:%d\n", bio, rc);
# # # # #
# # # ]
3043 : :
3044 : : /* Reset status is initialized as "failed". Set to "success" once we have at least one
3045 : : * successfully reset nvme_ctrlr.
3046 : : */
3047 [ + + ]: 119 : if (rc == 0) {
3048 [ # # # # : 89 : bio->cpl.cdw0 = 0;
# # ]
3049 : 0 : }
3050 : :
3051 : 119 : spdk_thread_send_msg(spdk_bdev_io_get_thread(bdev_io), _bdev_nvme_reset_io_continue, bio);
3052 : 119 : }
3053 : :
3054 : : static int
3055 : 119 : _bdev_nvme_reset_io(struct nvme_io_path *io_path, struct nvme_bdev_io *bio)
3056 : : {
3057 : 119 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3058 [ # # # # : 119 : struct nvme_bdev *nbdev = (struct nvme_bdev *)bdev_io->bdev->ctxt;
# # # # ]
3059 [ # # # # : 119 : struct nvme_ctrlr *nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
3060 : 99 : spdk_msg_fn msg_fn;
3061 : : int rc;
3062 : :
3063 [ - + # # : 119 : assert(bio->io_path == NULL);
# # # # ]
3064 [ # # # # ]: 119 : bio->io_path = io_path;
3065 : :
3066 [ - + # # ]: 119 : pthread_mutex_lock(&nvme_ctrlr->mutex);
3067 : 119 : rc = bdev_nvme_reset_ctrlr_unsafe(nvme_ctrlr, &msg_fn);
3068 [ + + ]: 119 : if (rc == -EBUSY) {
3069 : : /*
3070 : : * Reset call is queued only if it is from the app framework. This is on purpose so that
3071 : : * we don't interfere with the app framework reset strategy. i.e. we are deferring to the
3072 : : * upper level. If they are in the middle of a reset, we won't try to schedule another one.
3073 : : */
3074 [ # # # # : 36 : TAILQ_INSERT_TAIL(&nvme_ctrlr->pending_resets, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
3075 : 0 : }
3076 [ - + # # ]: 119 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
3077 : :
3078 [ + + ]: 119 : if (rc == 0) {
3079 [ - + # # : 80 : assert(nvme_ctrlr->ctrlr_op_cb_fn == NULL);
# # # # ]
3080 [ - + # # : 80 : assert(nvme_ctrlr->ctrlr_op_cb_arg == NULL);
# # # # ]
3081 [ # # # # ]: 80 : nvme_ctrlr->ctrlr_op_cb_fn = bdev_nvme_reset_io_continue;
3082 [ # # # # ]: 80 : nvme_ctrlr->ctrlr_op_cb_arg = bio;
3083 : :
3084 [ # # # # ]: 80 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
3085 : :
3086 [ - + - + : 80 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p started resetting ctrlr [%s, %u].\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
3087 : : bio, CTRLR_STRING(nvme_ctrlr), CTRLR_ID(nvme_ctrlr));
3088 [ + + ]: 39 : } else if (rc == -EBUSY) {
3089 : 36 : rc = 0;
3090 : :
3091 [ - + - + : 36 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p was queued to ctrlr [%s, %u].\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
3092 : : bio, CTRLR_STRING(nvme_ctrlr), CTRLR_ID(nvme_ctrlr));
3093 : 0 : } else {
3094 [ - + - + : 3 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p could not reset ctrlr [%s, %u], rc:%d\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
3095 : : bio, CTRLR_STRING(nvme_ctrlr), CTRLR_ID(nvme_ctrlr), rc);
3096 : : }
3097 : :
3098 : 119 : return rc;
3099 : : }
3100 : :
3101 : : static void
3102 : 89 : bdev_nvme_freeze_bdev_channel_done(struct nvme_bdev *nbdev, void *ctx, int status)
3103 : : {
3104 : 89 : struct nvme_bdev_io *bio = ctx;
3105 : 89 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3106 : : struct nvme_bdev_channel *nbdev_ch;
3107 : : struct nvme_io_path *io_path;
3108 : : int rc;
3109 : :
3110 : 89 : nbdev_ch = spdk_io_channel_get_ctx(spdk_bdev_io_get_io_channel(bdev_io));
3111 : :
3112 : : /* Initialize with failed status. With multipath it is enough to have at least one successful
3113 : : * nvme_ctrlr reset. If there is none, reset status will remain failed.
3114 : : */
3115 [ # # # # : 89 : bio->cpl.cdw0 = 1;
# # ]
3116 : :
3117 : : /* Reset all nvme_ctrlrs of a bdev controller sequentially. */
3118 [ # # # # : 89 : io_path = STAILQ_FIRST(&nbdev_ch->io_path_list);
# # ]
3119 [ - + # # ]: 89 : assert(io_path != NULL);
3120 : :
3121 : 89 : rc = _bdev_nvme_reset_io(io_path, bio);
3122 [ + + ]: 89 : if (rc != 0) {
3123 : : /* If the current nvme_ctrlr is disabled, skip it and move to the next nvme_ctrlr. */
3124 [ - + ]: 3 : rc = (rc == -EALREADY) ? 0 : rc;
3125 : :
3126 : 3 : bdev_nvme_reset_io_continue(bio, rc);
3127 : 0 : }
3128 : 89 : }
3129 : :
3130 : : static void
3131 : 135 : bdev_nvme_freeze_bdev_channel(struct nvme_bdev_channel_iter *i,
3132 : : struct nvme_bdev *nbdev,
3133 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
3134 : : {
3135 [ # # # # ]: 135 : nbdev_ch->resetting = true;
3136 : :
3137 : 135 : nvme_bdev_for_each_channel_continue(i, 0);
3138 : 135 : }
3139 : :
3140 : : static void
3141 : 86 : bdev_nvme_reset_io(struct nvme_bdev *nbdev, struct nvme_bdev_io *bio)
3142 : : {
3143 [ - + - + : 86 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p started.\n", bio);
# # # # #
# # # ]
3144 : :
3145 : 86 : nvme_bdev_for_each_channel(nbdev,
3146 : : bdev_nvme_freeze_bdev_channel,
3147 : 0 : bio,
3148 : : bdev_nvme_freeze_bdev_channel_done);
3149 : 86 : }
3150 : :
3151 : : static int
3152 : 902 : bdev_nvme_failover_ctrlr_unsafe(struct nvme_ctrlr *nvme_ctrlr, bool remove)
3153 : : {
3154 [ + + # # ]: 902 : if (nvme_ctrlr->destruct) {
3155 : : /* Don't bother resetting if the controller is in the process of being destructed. */
3156 : 415 : return -ENXIO;
3157 : : }
3158 : :
3159 [ + + # # ]: 487 : if (nvme_ctrlr->resetting) {
3160 [ + + # # ]: 53 : if (!nvme_ctrlr->in_failover) {
3161 [ + - # # : 9 : NVME_CTRLR_NOTICELOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3162 : : "Reset is already in progress. Defer failover until reset completes.\n");
3163 : :
3164 : : /* Defer failover until reset completes. */
3165 [ # # ]: 9 : nvme_ctrlr->pending_failover = true;
3166 : 9 : return -EINPROGRESS;
3167 : : } else {
3168 [ + - # # : 44 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Unable to perform failover, already in progress.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3169 : 44 : return -EBUSY;
3170 : : }
3171 : : }
3172 : :
3173 [ # # ]: 434 : bdev_nvme_failover_trid(nvme_ctrlr, remove, true);
3174 : :
3175 [ + + # # ]: 434 : if (nvme_ctrlr->reconnect_is_delayed) {
3176 [ + - # # : 3 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Reconnect is already scheduled.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3177 : :
3178 : : /* We rely on the next reconnect for the failover. */
3179 : 3 : return -EALREADY;
3180 : : }
3181 : :
3182 [ - + # # ]: 431 : if (nvme_ctrlr->disabled) {
3183 [ # # # # : 0 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Controller is disabled.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3184 : :
3185 : : /* We rely on the enablement for the failover. */
3186 : 0 : return -EALREADY;
3187 : : }
3188 : :
3189 [ # # ]: 431 : nvme_ctrlr->resetting = true;
3190 [ # # ]: 431 : nvme_ctrlr->in_failover = true;
3191 : :
3192 [ - + # # : 431 : assert(nvme_ctrlr->reset_start_tsc == 0);
# # # # ]
3193 [ # # # # ]: 431 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
3194 : :
3195 : 431 : return 0;
3196 : 0 : }
3197 : :
3198 : : static int
3199 : 892 : bdev_nvme_failover_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
3200 : : {
3201 : : int rc;
3202 : :
3203 [ - + # # ]: 892 : pthread_mutex_lock(&nvme_ctrlr->mutex);
3204 : 892 : rc = bdev_nvme_failover_ctrlr_unsafe(nvme_ctrlr, false);
3205 [ - + # # ]: 892 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
3206 : :
3207 [ + + ]: 892 : if (rc == 0) {
3208 [ # # # # ]: 424 : spdk_thread_send_msg(nvme_ctrlr->thread, _bdev_nvme_reset_ctrlr, nvme_ctrlr);
3209 [ - + ]: 468 : } else if (rc == -EALREADY) {
3210 : 0 : rc = 0;
3211 : 0 : }
3212 : :
3213 : 892 : return rc;
3214 : : }
3215 : :
3216 : : static int bdev_nvme_unmap(struct nvme_bdev_io *bio, uint64_t offset_blocks,
3217 : : uint64_t num_blocks);
3218 : :
3219 : : static int bdev_nvme_write_zeroes(struct nvme_bdev_io *bio, uint64_t offset_blocks,
3220 : : uint64_t num_blocks);
3221 : :
3222 : : static int bdev_nvme_copy(struct nvme_bdev_io *bio, uint64_t dst_offset_blocks,
3223 : : uint64_t src_offset_blocks,
3224 : : uint64_t num_blocks);
3225 : :
3226 : : static void
3227 : 6033373 : bdev_nvme_get_buf_cb(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_io,
3228 : : bool success)
3229 : : {
3230 [ # # ]: 6033373 : struct nvme_bdev_io *bio = (struct nvme_bdev_io *)bdev_io->driver_ctx;
3231 : : int ret;
3232 : :
3233 [ - + # # ]: 6033373 : if (!success) {
3234 : 0 : ret = -EINVAL;
3235 : 0 : goto exit;
3236 : : }
3237 : :
3238 [ - + # # : 6033373 : if (spdk_unlikely(!nvme_io_path_is_available(bio->io_path))) {
# # ]
3239 : 0 : ret = -ENXIO;
3240 : 0 : goto exit;
3241 : : }
3242 : :
3243 : 6033373 : ret = bdev_nvme_readv(bio,
3244 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
3245 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
3246 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
3247 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
3248 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3249 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags,
# # # # ]
3250 [ # # # # : 0 : bdev_io->u.bdev.memory_domain,
# # # # ]
3251 [ # # # # : 0 : bdev_io->u.bdev.memory_domain_ctx,
# # # # ]
3252 [ # # # # : 0 : bdev_io->u.bdev.accel_sequence);
# # # # ]
3253 : :
3254 : 6033373 : exit:
3255 [ + + ]: 6033373 : if (spdk_unlikely(ret != 0)) {
3256 : 82674 : bdev_nvme_io_complete(bio, ret);
3257 : 0 : }
3258 : 6033373 : }
3259 : :
3260 : : static inline void
3261 : 45050212 : _bdev_nvme_submit_request(struct nvme_bdev_channel *nbdev_ch, struct spdk_bdev_io *bdev_io)
3262 : : {
3263 [ + - ]: 45050212 : struct nvme_bdev_io *nbdev_io = (struct nvme_bdev_io *)bdev_io->driver_ctx;
3264 [ + - + - ]: 45050212 : struct spdk_bdev *bdev = bdev_io->bdev;
3265 : : struct nvme_bdev_io *nbdev_io_to_abort;
3266 : 45050212 : int rc = 0;
3267 : :
3268 [ + + + + : 45050212 : switch (bdev_io->type) {
+ + + + +
+ + + + -
- + + - -
- - - ]
3269 : 21211277 : case SPDK_BDEV_IO_TYPE_READ:
3270 [ + + + + : 21211280 : if (bdev_io->u.bdev.iovs && bdev_io->u.bdev.iovs[0].iov_base) {
+ - + - +
- + - + -
+ - + - +
- + - + -
- + ]
3271 : :
3272 : 15177910 : rc = bdev_nvme_readv(nbdev_io,
3273 [ - + - + : 3 : bdev_io->u.bdev.iovs,
- + - + ]
3274 [ - + - + : 3 : bdev_io->u.bdev.iovcnt,
- + - + ]
3275 [ - + - + : 3 : bdev_io->u.bdev.md_buf,
- + - + ]
3276 [ - + - + : 3 : bdev_io->u.bdev.num_blocks,
- + - + ]
3277 [ - + - + : 3 : bdev_io->u.bdev.offset_blocks,
- + - + ]
3278 [ - + - + : 3 : bdev_io->u.bdev.dif_check_flags,
- + - + ]
3279 [ - + - + : 3 : bdev_io->u.bdev.memory_domain,
- + - + ]
3280 [ - + - + : 3 : bdev_io->u.bdev.memory_domain_ctx,
- + - + ]
3281 [ - + - + : 3 : bdev_io->u.bdev.accel_sequence);
- + - + ]
3282 : 3 : } else {
3283 : 6033373 : spdk_bdev_io_get_buf(bdev_io, bdev_nvme_get_buf_cb,
3284 [ # # # # : 6033373 : bdev_io->u.bdev.num_blocks * bdev->blocklen);
# # # # #
# # # ]
3285 : 6033373 : rc = 0;
3286 : : }
3287 : 21211280 : break;
3288 : 20620418 : case SPDK_BDEV_IO_TYPE_WRITE:
3289 : 20620418 : rc = bdev_nvme_writev(nbdev_io,
3290 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
3291 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
3292 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
3293 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
3294 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3295 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags,
# # # # ]
3296 [ # # # # : 0 : bdev_io->u.bdev.memory_domain,
# # # # ]
3297 [ # # # # : 0 : bdev_io->u.bdev.memory_domain_ctx,
# # # # ]
3298 [ # # # # : 0 : bdev_io->u.bdev.accel_sequence,
# # # # ]
3299 [ # # # # : 0 : bdev_io->u.bdev.nvme_cdw12,
# # ]
3300 [ # # # # : 0 : bdev_io->u.bdev.nvme_cdw13);
# # ]
3301 : 20620418 : break;
3302 : 53 : case SPDK_BDEV_IO_TYPE_COMPARE:
3303 : 53 : rc = bdev_nvme_comparev(nbdev_io,
3304 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
3305 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
3306 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
3307 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
3308 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3309 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags);
# # # # ]
3310 : 53 : break;
3311 : 51 : case SPDK_BDEV_IO_TYPE_COMPARE_AND_WRITE:
3312 : 51 : rc = bdev_nvme_comparev_and_writev(nbdev_io,
3313 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
3314 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
3315 [ # # # # : 0 : bdev_io->u.bdev.fused_iovs,
# # # # ]
3316 [ # # # # : 0 : bdev_io->u.bdev.fused_iovcnt,
# # # # ]
3317 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
3318 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
3319 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3320 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags);
# # # # ]
3321 : 51 : break;
3322 : 268295 : case SPDK_BDEV_IO_TYPE_UNMAP:
3323 : 268295 : rc = bdev_nvme_unmap(nbdev_io,
3324 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3325 [ # # # # : 0 : bdev_io->u.bdev.num_blocks);
# # # # ]
3326 : 268295 : break;
3327 : 692146 : case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
3328 : 692146 : rc = bdev_nvme_write_zeroes(nbdev_io,
3329 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3330 [ # # # # : 0 : bdev_io->u.bdev.num_blocks);
# # # # ]
3331 : 692146 : break;
3332 : 86 : case SPDK_BDEV_IO_TYPE_RESET:
3333 [ # # # # ]: 86 : nbdev_io->io_path = NULL;
3334 [ # # # # ]: 86 : bdev_nvme_reset_io(bdev->ctxt, nbdev_io);
3335 : 86 : return;
3336 : :
3337 : 2021159 : case SPDK_BDEV_IO_TYPE_FLUSH:
3338 : 2021159 : bdev_nvme_io_complete(nbdev_io, 0);
3339 : 2021159 : return;
3340 : :
3341 : 229211 : case SPDK_BDEV_IO_TYPE_ZONE_APPEND:
3342 : 229211 : rc = bdev_nvme_zone_appendv(nbdev_io,
3343 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
3344 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
3345 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
3346 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
3347 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3348 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags);
# # # # ]
3349 : 229211 : break;
3350 : 1 : case SPDK_BDEV_IO_TYPE_GET_ZONE_INFO:
3351 : 1 : rc = bdev_nvme_get_zone_info(nbdev_io,
3352 [ # # # # : 0 : bdev_io->u.zone_mgmt.zone_id,
# # # # ]
3353 [ # # # # : 0 : bdev_io->u.zone_mgmt.num_zones,
# # # # ]
3354 [ # # # # : 1 : bdev_io->u.zone_mgmt.buf);
# # # # ]
3355 : 1 : break;
3356 : 44 : case SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT:
3357 : 44 : rc = bdev_nvme_zone_management(nbdev_io,
3358 [ # # # # : 0 : bdev_io->u.zone_mgmt.zone_id,
# # # # ]
3359 [ # # # # : 0 : bdev_io->u.zone_mgmt.zone_action);
# # # # ]
3360 : 44 : break;
3361 : 138 : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
3362 [ # # # # ]: 138 : nbdev_io->io_path = NULL;
3363 : 138 : bdev_nvme_admin_passthru(nbdev_ch,
3364 : 0 : nbdev_io,
3365 [ # # # # : 0 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3366 [ # # # # : 0 : bdev_io->u.nvme_passthru.buf,
# # # # ]
3367 [ # # # # : 0 : bdev_io->u.nvme_passthru.nbytes);
# # # # ]
3368 : 138 : return;
3369 : :
3370 : 108 : case SPDK_BDEV_IO_TYPE_NVME_IO:
3371 : 108 : rc = bdev_nvme_io_passthru(nbdev_io,
3372 [ # # # # : 0 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3373 [ # # # # : 0 : bdev_io->u.nvme_passthru.buf,
# # # # ]
3374 [ # # # # : 0 : bdev_io->u.nvme_passthru.nbytes);
# # # # ]
3375 : 108 : break;
3376 : 0 : case SPDK_BDEV_IO_TYPE_NVME_IO_MD:
3377 : 0 : rc = bdev_nvme_io_passthru_md(nbdev_io,
3378 [ # # # # : 0 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3379 [ # # # # : 0 : bdev_io->u.nvme_passthru.buf,
# # # # ]
3380 [ # # # # : 0 : bdev_io->u.nvme_passthru.nbytes,
# # # # ]
3381 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_buf,
# # # # ]
3382 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_len);
# # # # ]
3383 : 0 : break;
3384 : 0 : case SPDK_BDEV_IO_TYPE_NVME_IOV_MD:
3385 : 0 : rc = bdev_nvme_iov_passthru_md(nbdev_io,
3386 [ # # # # : 0 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3387 [ # # # # : 0 : bdev_io->u.nvme_passthru.iovs,
# # # # ]
3388 [ # # # # : 0 : bdev_io->u.nvme_passthru.iovcnt,
# # # # ]
3389 [ # # # # : 0 : bdev_io->u.nvme_passthru.nbytes,
# # # # ]
3390 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_buf,
# # # # ]
3391 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_len);
# # # # ]
3392 : 0 : break;
3393 : 7186 : case SPDK_BDEV_IO_TYPE_ABORT:
3394 [ # # # # ]: 7186 : nbdev_io->io_path = NULL;
3395 [ # # # # : 7186 : nbdev_io_to_abort = (struct nvme_bdev_io *)bdev_io->u.abort.bio_to_abort->driver_ctx;
# # # # #
# ]
3396 : 7186 : bdev_nvme_abort(nbdev_ch,
3397 : 0 : nbdev_io,
3398 : 0 : nbdev_io_to_abort);
3399 : 7186 : return;
3400 : :
3401 : 36 : case SPDK_BDEV_IO_TYPE_COPY:
3402 : 36 : rc = bdev_nvme_copy(nbdev_io,
3403 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3404 [ # # # # : 0 : bdev_io->u.bdev.copy.src_offset_blocks,
# # # # #
# ]
3405 [ # # # # : 0 : bdev_io->u.bdev.num_blocks);
# # # # ]
3406 : 36 : break;
3407 : 0 : default:
3408 : 0 : rc = -EINVAL;
3409 : 0 : break;
3410 : : }
3411 : :
3412 [ + + ]: 43021643 : if (spdk_unlikely(rc != 0)) {
3413 : 90675 : bdev_nvme_io_complete(nbdev_io, rc);
3414 : 0 : }
3415 : 3 : }
3416 : :
3417 : : static void
3418 : 45445538 : bdev_nvme_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_io)
3419 : : {
3420 : 45445538 : struct nvme_bdev_channel *nbdev_ch = spdk_io_channel_get_ctx(ch);
3421 [ + - ]: 45445538 : struct nvme_bdev_io *nbdev_io = (struct nvme_bdev_io *)bdev_io->driver_ctx;
3422 : :
3423 [ + + + - : 45445538 : if (spdk_likely(nbdev_io->submit_tsc == 0)) {
- + ]
3424 [ + - + - ]: 45401719 : nbdev_io->submit_tsc = spdk_bdev_io_get_submit_tsc(bdev_io);
3425 : 3 : } else {
3426 : : /* There are cases where submit_tsc != 0, i.e. retry I/O.
3427 : : * We need to update submit_tsc here.
3428 : : */
3429 [ # # # # ]: 43819 : nbdev_io->submit_tsc = spdk_get_ticks();
3430 : : }
3431 : :
3432 [ + + + + : 45445538 : spdk_trace_record(TRACE_BDEV_NVME_IO_START, 0, 0, (uintptr_t)nbdev_io, (uintptr_t)bdev_io);
+ - + - +
- + - + -
+ - ]
3433 [ + - + - ]: 45445538 : nbdev_io->io_path = bdev_nvme_find_io_path(nbdev_ch);
3434 [ + + + - : 45445538 : if (spdk_unlikely(!nbdev_io->io_path)) {
+ - ]
3435 [ + + # # : 398884 : if (!bdev_nvme_io_type_is_admin(bdev_io->type)) {
# # ]
3436 : 398881 : bdev_nvme_io_complete(nbdev_io, -ENXIO);
3437 : 398881 : return;
3438 : : }
3439 : :
3440 : : /* Admin commands do not use the optimal I/O path.
3441 : : * Simply fall through even if it is not found.
3442 : : */
3443 : 0 : }
3444 : :
3445 : 45046657 : _bdev_nvme_submit_request(nbdev_ch, bdev_io);
3446 : 3 : }
3447 : :
3448 : : static bool
3449 : 2765612 : bdev_nvme_is_supported_csi(enum spdk_nvme_csi csi)
3450 : : {
3451 [ + + + ]: 2765612 : switch (csi) {
3452 : 2765579 : case SPDK_NVME_CSI_NVM:
3453 : 2765583 : return true;
3454 : 29 : case SPDK_NVME_CSI_ZNS:
3455 : 29 : return true;
3456 : 0 : default:
3457 : 0 : return false;
3458 : : }
3459 : 4 : }
3460 : :
3461 : : static bool
3462 : 2765612 : bdev_nvme_io_type_supported(void *ctx, enum spdk_bdev_io_type io_type)
3463 : : {
3464 : 2765612 : struct nvme_bdev *nbdev = ctx;
3465 : : struct nvme_ns *nvme_ns;
3466 : : struct spdk_nvme_ns *ns;
3467 : : struct spdk_nvme_ctrlr *ctrlr;
3468 : : const struct spdk_nvme_ctrlr_data *cdata;
3469 : :
3470 [ + - + - : 2765612 : nvme_ns = TAILQ_FIRST(&nbdev->nvme_ns_list);
+ - ]
3471 [ + + # # ]: 2765612 : assert(nvme_ns != NULL);
3472 [ + - + - ]: 2765612 : ns = nvme_ns->ns;
3473 [ + + ]: 2765612 : if (ns == NULL) {
3474 : 0 : return false;
3475 : : }
3476 : :
3477 [ + + ]: 2765612 : if (!bdev_nvme_is_supported_csi(spdk_nvme_ns_get_csi(ns))) {
3478 [ # # # ]: 0 : switch (io_type) {
3479 : 0 : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
3480 : : case SPDK_BDEV_IO_TYPE_NVME_IO:
3481 : 0 : return true;
3482 : :
3483 : 0 : case SPDK_BDEV_IO_TYPE_NVME_IO_MD:
3484 : 0 : return spdk_nvme_ns_get_md_size(ns) ? true : false;
3485 : :
3486 : 0 : default:
3487 : 0 : return false;
3488 : : }
3489 : : }
3490 : :
3491 : 2765612 : ctrlr = spdk_nvme_ns_get_ctrlr(ns);
3492 : :
3493 [ + + + + : 2765612 : switch (io_type) {
+ + + + +
+ ]
3494 : 279838 : case SPDK_BDEV_IO_TYPE_READ:
3495 : : case SPDK_BDEV_IO_TYPE_WRITE:
3496 : : case SPDK_BDEV_IO_TYPE_RESET:
3497 : : case SPDK_BDEV_IO_TYPE_FLUSH:
3498 : : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
3499 : : case SPDK_BDEV_IO_TYPE_NVME_IO:
3500 : : case SPDK_BDEV_IO_TYPE_ABORT:
3501 : 279839 : return true;
3502 : :
3503 : 3808 : case SPDK_BDEV_IO_TYPE_COMPARE:
3504 : 3808 : return spdk_nvme_ns_supports_compare(ns);
3505 : :
3506 : 1116 : case SPDK_BDEV_IO_TYPE_NVME_IO_MD:
3507 : 1116 : return spdk_nvme_ns_get_md_size(ns) ? true : false;
3508 : :
3509 : 93393 : case SPDK_BDEV_IO_TYPE_UNMAP:
3510 : 93393 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3511 [ # # # # ]: 93393 : return cdata->oncs.dsm;
3512 : :
3513 : 2350638 : case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
3514 : 2350639 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3515 [ + - + - ]: 2350639 : return cdata->oncs.write_zeroes;
3516 : :
3517 : 3806 : case SPDK_BDEV_IO_TYPE_COMPARE_AND_WRITE:
3518 [ + + ]: 3806 : if (spdk_nvme_ctrlr_get_flags(ctrlr) &
3519 : : SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED) {
3520 : 237 : return true;
3521 : : }
3522 : 3569 : return false;
3523 : :
3524 : 7464 : case SPDK_BDEV_IO_TYPE_GET_ZONE_INFO:
3525 : : case SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT:
3526 : 7464 : return spdk_nvme_ns_get_csi(ns) == SPDK_NVME_CSI_ZNS;
3527 : :
3528 : 3733 : case SPDK_BDEV_IO_TYPE_ZONE_APPEND:
3529 [ + + ]: 3735 : return spdk_nvme_ns_get_csi(ns) == SPDK_NVME_CSI_ZNS &&
3530 [ + - ]: 2 : spdk_nvme_ctrlr_get_flags(ctrlr) & SPDK_NVME_CTRLR_ZONE_APPEND_SUPPORTED;
3531 : :
3532 : 6849 : case SPDK_BDEV_IO_TYPE_COPY:
3533 : 6851 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3534 [ + - + - ]: 6851 : return cdata->oncs.copy;
3535 : :
3536 : 14963 : default:
3537 : 14963 : return false;
3538 : : }
3539 : 4 : }
3540 : :
3541 : : static int
3542 : 2461 : nvme_qpair_create(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ctrlr_channel *ctrlr_ch)
3543 : : {
3544 : : struct nvme_qpair *nvme_qpair;
3545 : : struct spdk_io_channel *pg_ch;
3546 : : int rc;
3547 : :
3548 : 2461 : nvme_qpair = calloc(1, sizeof(*nvme_qpair));
3549 [ + + ]: 2461 : if (!nvme_qpair) {
3550 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to alloc nvme_qpair.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3551 : 0 : return -1;
3552 : : }
3553 : :
3554 [ + - + - : 2461 : TAILQ_INIT(&nvme_qpair->io_path_list);
+ - + - +
- + - + -
+ - ]
3555 : :
3556 [ + - + - ]: 2461 : nvme_qpair->ctrlr = nvme_ctrlr;
3557 [ + - + - ]: 2461 : nvme_qpair->ctrlr_ch = ctrlr_ch;
3558 : :
3559 : 2461 : pg_ch = spdk_get_io_channel(&g_nvme_bdev_ctrlrs);
3560 [ + + ]: 2461 : if (!pg_ch) {
3561 : 0 : free(nvme_qpair);
3562 : 0 : return -1;
3563 : : }
3564 : :
3565 [ + - + - ]: 2461 : nvme_qpair->group = spdk_io_channel_get_ctx(pg_ch);
3566 : :
3567 : : #ifdef SPDK_CONFIG_VTUNE
3568 : : nvme_qpair->group->collect_spin_stat = true;
3569 : : #else
3570 [ + - + - : 2461 : nvme_qpair->group->collect_spin_stat = false;
+ - + - ]
3571 : : #endif
3572 : :
3573 [ + - - + ]: 2461 : if (!nvme_ctrlr->disabled) {
3574 : : /* If a nvme_ctrlr is disabled, don't try to create qpair for it. Qpair will
3575 : : * be created when it's enabled.
3576 : : */
3577 : 2461 : rc = bdev_nvme_create_qpair(nvme_qpair);
3578 [ + + ]: 2461 : if (rc != 0) {
3579 : : /* nvme_ctrlr can't create IO qpair if connection is down.
3580 : : * If reconnect_delay_sec is non-zero, creating IO qpair is retried
3581 : : * after reconnect_delay_sec seconds. If bdev_retry_count is non-zero,
3582 : : * submitted IO will be queued until IO qpair is successfully created.
3583 : : *
3584 : : * Hence, if both are satisfied, ignore the failure.
3585 : : */
3586 [ # # # # : 0 : if (nvme_ctrlr->opts.reconnect_delay_sec == 0 || g_opts.bdev_retry_count == 0) {
# # # # #
# # # ]
3587 : 0 : spdk_put_io_channel(pg_ch);
3588 : 0 : free(nvme_qpair);
3589 : 0 : return rc;
3590 : : }
3591 : 0 : }
3592 : 1 : }
3593 : :
3594 [ + - + - : 2461 : TAILQ_INSERT_TAIL(&nvme_qpair->group->qpair_list, nvme_qpair, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - ]
3595 : :
3596 [ + - + - ]: 2461 : ctrlr_ch->qpair = nvme_qpair;
3597 : :
3598 : 2461 : nvme_ctrlr_get_ref(nvme_ctrlr);
3599 : :
3600 : 2461 : return 0;
3601 : 1 : }
3602 : :
3603 : : static int
3604 : 2461 : bdev_nvme_create_ctrlr_channel_cb(void *io_device, void *ctx_buf)
3605 : : {
3606 : 2461 : struct nvme_ctrlr *nvme_ctrlr = io_device;
3607 : 2461 : struct nvme_ctrlr_channel *ctrlr_ch = ctx_buf;
3608 : :
3609 : 2461 : return nvme_qpair_create(nvme_ctrlr, ctrlr_ch);
3610 : : }
3611 : :
3612 : : static void
3613 : 2461 : nvme_qpair_delete(struct nvme_qpair *nvme_qpair)
3614 : : {
3615 : : struct nvme_io_path *io_path, *next;
3616 : :
3617 [ + + + - : 2461 : assert(nvme_qpair->group != NULL);
+ - # # ]
3618 : :
3619 [ + + + - : 4982 : TAILQ_FOREACH_SAFE(io_path, &nvme_qpair->io_path_list, tailq, next) {
+ - + + +
- + - + -
+ + ]
3620 [ + + + - : 2521 : TAILQ_REMOVE(&nvme_qpair->io_path_list, io_path, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - ]
3621 : 2521 : nvme_io_path_free(io_path);
3622 : 1 : }
3623 : :
3624 [ + + + - : 2461 : TAILQ_REMOVE(&nvme_qpair->group->qpair_list, nvme_qpair, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
3625 : :
3626 [ + - + - ]: 2461 : spdk_put_io_channel(spdk_io_channel_from_ctx(nvme_qpair->group));
3627 : :
3628 [ + - + - ]: 2461 : nvme_ctrlr_put_ref(nvme_qpair->ctrlr);
3629 : :
3630 : 2461 : free(nvme_qpair);
3631 : 2461 : }
3632 : :
3633 : : static void
3634 : 2461 : bdev_nvme_destroy_ctrlr_channel_cb(void *io_device, void *ctx_buf)
3635 : : {
3636 : 2461 : struct nvme_ctrlr_channel *ctrlr_ch = ctx_buf;
3637 : : struct nvme_qpair *nvme_qpair;
3638 : :
3639 [ + - + - ]: 2461 : nvme_qpair = ctrlr_ch->qpair;
3640 [ + + # # ]: 2461 : assert(nvme_qpair != NULL);
3641 : :
3642 : 2461 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
3643 : :
3644 [ + + + - : 2461 : if (nvme_qpair->qpair != NULL) {
+ - ]
3645 [ + - + - : 2389 : if (ctrlr_ch->reset_iter == NULL) {
- + ]
3646 [ + - + - ]: 2389 : spdk_nvme_ctrlr_disconnect_io_qpair(nvme_qpair->qpair);
3647 : 1 : } else {
3648 : : /* Skip current ctrlr_channel in a full reset sequence because
3649 : : * it is being deleted now. The qpair is already being disconnected.
3650 : : * We do not have to restart disconnecting it.
3651 : : */
3652 [ # # # # ]: 0 : nvme_ctrlr_for_each_channel_continue(ctrlr_ch->reset_iter, 0);
3653 : : }
3654 : :
3655 : : /* We cannot release a reference to the poll group now.
3656 : : * The qpair may be disconnected asynchronously later.
3657 : : * We need to poll it until it is actually disconnected.
3658 : : * Just detach the qpair from the deleting ctrlr_channel.
3659 : : */
3660 [ + - + - ]: 2389 : nvme_qpair->ctrlr_ch = NULL;
3661 : 1 : } else {
3662 [ - + # # : 72 : assert(ctrlr_ch->reset_iter == NULL);
# # # # ]
3663 : :
3664 : 72 : nvme_qpair_delete(nvme_qpair);
3665 : : }
3666 : 2461 : }
3667 : :
3668 : : static inline struct spdk_io_channel *
3669 : 818442 : bdev_nvme_get_accel_channel(struct nvme_poll_group *group)
3670 : : {
3671 [ + + # # : 818442 : if (spdk_unlikely(!group->accel_channel)) {
# # ]
3672 [ # # # # ]: 53 : group->accel_channel = spdk_accel_get_io_channel();
3673 [ - + # # : 53 : if (!group->accel_channel) {
# # ]
3674 : 0 : SPDK_ERRLOG("Cannot get the accel_channel for bdev nvme polling group=%p\n",
3675 : : group);
3676 : 0 : return NULL;
3677 : : }
3678 : 0 : }
3679 : :
3680 [ # # # # ]: 818442 : return group->accel_channel;
3681 : 0 : }
3682 : :
3683 : : static void
3684 : 818442 : bdev_nvme_finish_sequence(void *seq, spdk_nvme_accel_completion_cb cb_fn, void *cb_arg)
3685 : : {
3686 : 818442 : spdk_accel_sequence_finish(seq, cb_fn, cb_arg);
3687 : 818442 : }
3688 : :
3689 : : static void
3690 : 0 : bdev_nvme_abort_sequence(void *seq)
3691 : : {
3692 : 0 : spdk_accel_sequence_abort(seq);
3693 : 0 : }
3694 : :
3695 : : static void
3696 : 400684 : bdev_nvme_reverse_sequence(void *seq)
3697 : : {
3698 : 400684 : spdk_accel_sequence_reverse(seq);
3699 : 400684 : }
3700 : :
3701 : : static int
3702 : 818442 : bdev_nvme_append_crc32c(void *ctx, void **seq, uint32_t *dst, struct iovec *iovs, uint32_t iovcnt,
3703 : : struct spdk_memory_domain *domain, void *domain_ctx, uint32_t seed,
3704 : : spdk_nvme_accel_step_cb cb_fn, void *cb_arg)
3705 : : {
3706 : : struct spdk_io_channel *ch;
3707 : 818442 : struct nvme_poll_group *group = ctx;
3708 : :
3709 : 818442 : ch = bdev_nvme_get_accel_channel(group);
3710 [ - + ]: 818442 : if (spdk_unlikely(ch == NULL)) {
3711 : 0 : return -ENOMEM;
3712 : : }
3713 : :
3714 : 818442 : return spdk_accel_append_crc32c((struct spdk_accel_sequence **)seq, ch, dst, iovs, iovcnt,
3715 : 0 : domain, domain_ctx, seed, cb_fn, cb_arg);
3716 : 0 : }
3717 : :
3718 : : static int
3719 : 0 : bdev_nvme_append_copy(void *ctx, void **seq, struct iovec *dst_iovs, uint32_t dst_iovcnt,
3720 : : struct spdk_memory_domain *dst_domain, void *dst_domain_ctx,
3721 : : struct iovec *src_iovs, uint32_t src_iovcnt,
3722 : : struct spdk_memory_domain *src_domain, void *src_domain_ctx,
3723 : : spdk_nvme_accel_step_cb cb_fn, void *cb_arg)
3724 : : {
3725 : : struct spdk_io_channel *ch;
3726 : 0 : struct nvme_poll_group *group = ctx;
3727 : :
3728 : 0 : ch = bdev_nvme_get_accel_channel(group);
3729 [ # # ]: 0 : if (spdk_unlikely(ch == NULL)) {
3730 : 0 : return -ENOMEM;
3731 : : }
3732 : :
3733 : 0 : return spdk_accel_append_copy((struct spdk_accel_sequence **)seq, ch,
3734 : 0 : dst_iovs, dst_iovcnt, dst_domain, dst_domain_ctx,
3735 : 0 : src_iovs, src_iovcnt, src_domain, src_domain_ctx,
3736 : 0 : cb_fn, cb_arg);
3737 : 0 : }
3738 : :
3739 : : static struct spdk_nvme_accel_fn_table g_bdev_nvme_accel_fn_table = {
3740 : : .table_size = sizeof(struct spdk_nvme_accel_fn_table),
3741 : : .append_crc32c = bdev_nvme_append_crc32c,
3742 : : .append_copy = bdev_nvme_append_copy,
3743 : : .finish_sequence = bdev_nvme_finish_sequence,
3744 : : .reverse_sequence = bdev_nvme_reverse_sequence,
3745 : : .abort_sequence = bdev_nvme_abort_sequence,
3746 : : };
3747 : :
3748 : : static int
3749 : 0 : bdev_nvme_interrupt_wrapper(void *ctx)
3750 : : {
3751 : : int num_events;
3752 : 0 : struct nvme_poll_group *group = ctx;
3753 : :
3754 [ # # # # ]: 0 : num_events = spdk_nvme_poll_group_wait(group->group, bdev_nvme_disconnected_qpair_cb);
3755 [ # # ]: 0 : if (spdk_unlikely(num_events < 0)) {
3756 : 0 : bdev_nvme_check_io_qpairs(group);
3757 : 0 : }
3758 : :
3759 : 0 : return num_events;
3760 : : }
3761 : :
3762 : : static int
3763 : 2304 : bdev_nvme_create_poll_group_cb(void *io_device, void *ctx_buf)
3764 : : {
3765 : 2304 : struct nvme_poll_group *group = ctx_buf;
3766 : : uint64_t period;
3767 : : int fd;
3768 : :
3769 [ + - + - : 2304 : TAILQ_INIT(&group->qpair_list);
+ - + - +
- + - + -
+ - ]
3770 : :
3771 [ + - + - ]: 2304 : group->group = spdk_nvme_poll_group_create(group, &g_bdev_nvme_accel_fn_table);
3772 [ + + + - : 2304 : if (group->group == NULL) {
+ - ]
3773 : 0 : return -1;
3774 : : }
3775 : :
3776 [ + + + - ]: 2304 : period = spdk_interrupt_mode_is_enabled() ? 0 : g_opts.nvme_ioq_poll_period_us;
3777 [ + - + - ]: 2304 : group->poller = SPDK_POLLER_REGISTER(bdev_nvme_poll, group, period);
3778 : :
3779 [ + + + - : 2304 : if (group->poller == NULL) {
+ - ]
3780 [ # # # # ]: 0 : spdk_nvme_poll_group_destroy(group->group);
3781 : 0 : return -1;
3782 : : }
3783 : :
3784 [ + + ]: 2304 : if (spdk_interrupt_mode_is_enabled()) {
3785 [ # # # # ]: 0 : spdk_poller_register_interrupt(group->poller, NULL, NULL);
3786 : :
3787 [ # # # # ]: 0 : fd = spdk_nvme_poll_group_get_fd(group->group);
3788 [ # # ]: 0 : if (fd < 0) {
3789 [ # # # # ]: 0 : spdk_nvme_poll_group_destroy(group->group);
3790 : 0 : return -1;
3791 : : }
3792 : :
3793 [ # # # # ]: 0 : group->intr = SPDK_INTERRUPT_REGISTER(fd, bdev_nvme_interrupt_wrapper, group);
3794 [ # # # # : 0 : if (!group->intr) {
# # ]
3795 [ # # # # ]: 0 : spdk_nvme_poll_group_destroy(group->group);
3796 : 0 : return -1;
3797 : : }
3798 : 0 : }
3799 : :
3800 : 2304 : return 0;
3801 : 1 : }
3802 : :
3803 : : static void
3804 : 2304 : bdev_nvme_destroy_poll_group_cb(void *io_device, void *ctx_buf)
3805 : : {
3806 : 2304 : struct nvme_poll_group *group = ctx_buf;
3807 : :
3808 [ + + + - : 2304 : assert(TAILQ_EMPTY(&group->qpair_list));
+ - + - #
# ]
3809 : :
3810 [ + + + - : 2304 : if (group->accel_channel) {
+ - ]
3811 [ # # # # ]: 53 : spdk_put_io_channel(group->accel_channel);
3812 : 0 : }
3813 : :
3814 [ + + ]: 2304 : if (spdk_interrupt_mode_is_enabled()) {
3815 [ # # ]: 0 : spdk_interrupt_unregister(&group->intr);
3816 : 0 : }
3817 : :
3818 [ + - ]: 2304 : spdk_poller_unregister(&group->poller);
3819 [ + + + - : 2304 : if (spdk_nvme_poll_group_destroy(group->group)) {
+ - ]
3820 : 0 : SPDK_ERRLOG("Unable to destroy a poll group for the NVMe bdev module.\n");
3821 [ # # ]: 0 : assert(false);
3822 : : }
3823 : 2304 : }
3824 : :
3825 : : static struct spdk_io_channel *
3826 : 2408 : bdev_nvme_get_io_channel(void *ctx)
3827 : : {
3828 : 2408 : struct nvme_bdev *nvme_bdev = ctx;
3829 : :
3830 : 2408 : return spdk_get_io_channel(nvme_bdev);
3831 : : }
3832 : :
3833 : : static void *
3834 : 0 : bdev_nvme_get_module_ctx(void *ctx)
3835 : : {
3836 : 0 : struct nvme_bdev *nvme_bdev = ctx;
3837 : : struct nvme_ns *nvme_ns;
3838 : :
3839 [ # # # # : 0 : if (!nvme_bdev || nvme_bdev->disk.module != &nvme_if) {
# # # # #
# ]
3840 : 0 : return NULL;
3841 : : }
3842 : :
3843 [ # # # # : 0 : nvme_ns = TAILQ_FIRST(&nvme_bdev->nvme_ns_list);
# # ]
3844 [ # # ]: 0 : if (!nvme_ns) {
3845 : 0 : return NULL;
3846 : : }
3847 : :
3848 [ # # # # ]: 0 : return nvme_ns->ns;
3849 : 0 : }
3850 : :
3851 : : static const char *
3852 : 0 : _nvme_ana_state_str(enum spdk_nvme_ana_state ana_state)
3853 : : {
3854 [ # # # # : 0 : switch (ana_state) {
# # ]
3855 : 0 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
3856 : 0 : return "optimized";
3857 : 0 : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
3858 : 0 : return "non_optimized";
3859 : 0 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
3860 : 0 : return "inaccessible";
3861 : 0 : case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
3862 : 0 : return "persistent_loss";
3863 : 0 : case SPDK_NVME_ANA_CHANGE_STATE:
3864 : 0 : return "change";
3865 : 0 : default:
3866 : 0 : return NULL;
3867 : : }
3868 : 0 : }
3869 : :
3870 : : static int
3871 : 10687 : bdev_nvme_get_memory_domains(void *ctx, struct spdk_memory_domain **domains, int array_size)
3872 : : {
3873 : 10687 : struct spdk_memory_domain **_domains = NULL;
3874 : 10687 : struct nvme_bdev *nbdev = ctx;
3875 : : struct nvme_ns *nvme_ns;
3876 : 10687 : int i = 0, _array_size = array_size;
3877 : 10687 : int rc = 0;
3878 : :
3879 [ + + + - : 21444 : TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
+ - + + +
- + - +
- ]
3880 [ + + + + ]: 10757 : if (domains && array_size >= i) {
3881 [ # # ]: 265 : _domains = &domains[i];
3882 : 0 : } else {
3883 : 10492 : _domains = NULL;
3884 : : }
3885 [ + - + - : 10757 : rc = spdk_nvme_ctrlr_get_memory_domains(nvme_ns->ctrlr->ctrlr, _domains, _array_size);
+ - + - ]
3886 [ + + ]: 10757 : if (rc > 0) {
3887 [ # # ]: 4312 : i += rc;
3888 [ + + ]: 4312 : if (_array_size >= rc) {
3889 [ # # ]: 259 : _array_size -= rc;
3890 : 0 : } else {
3891 : 4053 : _array_size = 0;
3892 : : }
3893 [ + + ]: 6445 : } else if (rc < 0) {
3894 : 0 : return rc;
3895 : : }
3896 : 4 : }
3897 : :
3898 : 10687 : return i;
3899 : 4 : }
3900 : :
3901 : : static const char *
3902 : 744 : nvme_ctrlr_get_state_str(struct nvme_ctrlr *nvme_ctrlr)
3903 : : {
3904 [ - + # # ]: 744 : if (nvme_ctrlr->destruct) {
3905 : 0 : return "deleting";
3906 [ - + # # : 744 : } else if (spdk_nvme_ctrlr_is_failed(nvme_ctrlr->ctrlr)) {
# # ]
3907 : 0 : return "failed";
3908 [ + + # # ]: 744 : } else if (nvme_ctrlr->resetting) {
3909 : 10 : return "resetting";
3910 [ + + # # ]: 734 : } else if (nvme_ctrlr->reconnect_is_delayed > 0) {
3911 : 7 : return "reconnect_is_delayed";
3912 [ - + # # ]: 727 : } else if (nvme_ctrlr->disabled) {
3913 : 0 : return "disabled";
3914 : : } else {
3915 : 727 : return "enabled";
3916 : : }
3917 : 0 : }
3918 : :
3919 : : void
3920 : 744 : nvme_ctrlr_info_json(struct spdk_json_write_ctx *w, struct nvme_ctrlr *nvme_ctrlr)
3921 : 744 : {
3922 : : struct spdk_nvme_transport_id *trid;
3923 : : const struct spdk_nvme_ctrlr_opts *opts;
3924 : : const struct spdk_nvme_ctrlr_data *cdata;
3925 : : struct nvme_path_id *path_id;
3926 : : int32_t numa_id;
3927 : :
3928 : 744 : spdk_json_write_object_begin(w);
3929 : :
3930 : 744 : spdk_json_write_named_string(w, "state", nvme_ctrlr_get_state_str(nvme_ctrlr));
3931 : :
3932 : : #ifdef SPDK_CONFIG_NVME_CUSE
3933 : 744 : size_t cuse_name_size = 128;
3934 [ - + ]: 744 : char cuse_name[cuse_name_size];
3935 : :
3936 [ # # # # ]: 744 : int rc = spdk_nvme_cuse_get_ctrlr_name(nvme_ctrlr->ctrlr, cuse_name, &cuse_name_size);
3937 [ + + ]: 744 : if (rc == 0) {
3938 : 3 : spdk_json_write_named_string(w, "cuse_device", cuse_name);
3939 : 0 : }
3940 : : #endif
3941 [ # # # # : 744 : trid = &nvme_ctrlr->active_path_id->trid;
# # ]
3942 : 744 : spdk_json_write_named_object_begin(w, "trid");
3943 : 744 : nvme_bdev_dump_trid_json(trid, w);
3944 : 744 : spdk_json_write_object_end(w);
3945 : :
3946 [ # # # # : 744 : path_id = TAILQ_NEXT(nvme_ctrlr->active_path_id, link);
# # # # #
# ]
3947 [ + + ]: 744 : if (path_id != NULL) {
3948 : 12 : spdk_json_write_named_array_begin(w, "alternate_trids");
3949 : 0 : do {
3950 [ # # ]: 16 : trid = &path_id->trid;
3951 : 16 : spdk_json_write_object_begin(w);
3952 : 16 : nvme_bdev_dump_trid_json(trid, w);
3953 : 16 : spdk_json_write_object_end(w);
3954 : :
3955 [ # # # # : 16 : path_id = TAILQ_NEXT(path_id, link);
# # ]
3956 [ + + ]: 16 : } while (path_id != NULL);
3957 : 12 : spdk_json_write_array_end(w);
3958 : 0 : }
3959 : :
3960 [ # # # # ]: 744 : cdata = spdk_nvme_ctrlr_get_data(nvme_ctrlr->ctrlr);
3961 [ # # # # ]: 744 : spdk_json_write_named_uint16(w, "cntlid", cdata->cntlid);
3962 : :
3963 [ # # # # ]: 744 : opts = spdk_nvme_ctrlr_get_opts(nvme_ctrlr->ctrlr);
3964 : 744 : spdk_json_write_named_object_begin(w, "host");
3965 [ # # ]: 744 : spdk_json_write_named_string(w, "nqn", opts->hostnqn);
3966 [ # # ]: 744 : spdk_json_write_named_string(w, "addr", opts->src_addr);
3967 [ # # ]: 744 : spdk_json_write_named_string(w, "svcid", opts->src_svcid);
3968 : 744 : spdk_json_write_object_end(w);
3969 : :
3970 [ # # # # ]: 744 : numa_id = spdk_nvme_ctrlr_get_numa_id(nvme_ctrlr->ctrlr);
3971 [ + + ]: 744 : if (numa_id != SPDK_ENV_NUMA_ID_ANY) {
3972 : 358 : spdk_json_write_named_uint32(w, "numa_id", numa_id);
3973 : 0 : }
3974 : 744 : spdk_json_write_object_end(w);
3975 : 744 : }
3976 : :
3977 : : static void
3978 : 1126 : nvme_namespace_info_json(struct spdk_json_write_ctx *w,
3979 : : struct nvme_ns *nvme_ns)
3980 : 1126 : {
3981 : : struct spdk_nvme_ns *ns;
3982 : : struct spdk_nvme_ctrlr *ctrlr;
3983 : : const struct spdk_nvme_ctrlr_data *cdata;
3984 : : const struct spdk_nvme_transport_id *trid;
3985 : : union spdk_nvme_vs_register vs;
3986 : : const struct spdk_nvme_ns_data *nsdata;
3987 : 895 : char buf[128];
3988 : :
3989 [ # # # # ]: 1126 : ns = nvme_ns->ns;
3990 [ - + ]: 1126 : if (ns == NULL) {
3991 : 0 : return;
3992 : : }
3993 : :
3994 : 1126 : ctrlr = spdk_nvme_ns_get_ctrlr(ns);
3995 : :
3996 : 1126 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3997 : 1126 : trid = spdk_nvme_ctrlr_get_transport_id(ctrlr);
3998 : 1126 : vs = spdk_nvme_ctrlr_get_regs_vs(ctrlr);
3999 : :
4000 : 1126 : spdk_json_write_object_begin(w);
4001 : :
4002 [ + + # # : 1126 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # ]
4003 [ # # ]: 897 : spdk_json_write_named_string(w, "pci_address", trid->traddr);
4004 : 0 : }
4005 : :
4006 : 1126 : spdk_json_write_named_object_begin(w, "trid");
4007 : :
4008 : 1126 : nvme_bdev_dump_trid_json(trid, w);
4009 : :
4010 : 1126 : spdk_json_write_object_end(w);
4011 : :
4012 : : #ifdef SPDK_CONFIG_NVME_CUSE
4013 : 1126 : size_t cuse_name_size = 128;
4014 [ - + ]: 1126 : char cuse_name[cuse_name_size];
4015 : :
4016 : 1126 : int rc = spdk_nvme_cuse_get_ns_name(ctrlr, spdk_nvme_ns_get_id(ns),
4017 : : cuse_name, &cuse_name_size);
4018 [ + + ]: 1126 : if (rc == 0) {
4019 : 4 : spdk_json_write_named_string(w, "cuse_device", cuse_name);
4020 : 0 : }
4021 : : #endif
4022 : :
4023 : 1126 : spdk_json_write_named_object_begin(w, "ctrlr_data");
4024 : :
4025 [ # # # # ]: 1126 : spdk_json_write_named_uint16(w, "cntlid", cdata->cntlid);
4026 : :
4027 [ # # # # ]: 1126 : spdk_json_write_named_string_fmt(w, "vendor_id", "0x%04x", cdata->vid);
4028 : :
4029 [ - + ]: 1126 : snprintf(buf, sizeof(cdata->mn) + 1, "%s", cdata->mn);
4030 : 1126 : spdk_str_trim(buf);
4031 : 1126 : spdk_json_write_named_string(w, "model_number", buf);
4032 : :
4033 [ - + ]: 1126 : snprintf(buf, sizeof(cdata->sn) + 1, "%s", cdata->sn);
4034 : 1126 : spdk_str_trim(buf);
4035 : 1126 : spdk_json_write_named_string(w, "serial_number", buf);
4036 : :
4037 [ - + ]: 1126 : snprintf(buf, sizeof(cdata->fr) + 1, "%s", cdata->fr);
4038 : 1126 : spdk_str_trim(buf);
4039 : 1126 : spdk_json_write_named_string(w, "firmware_revision", buf);
4040 : :
4041 [ + + # # : 1126 : if (cdata->subnqn[0] != '\0') {
# # # # #
# ]
4042 [ # # ]: 1087 : spdk_json_write_named_string(w, "subnqn", cdata->subnqn);
4043 : 0 : }
4044 : :
4045 : 1126 : spdk_json_write_named_object_begin(w, "oacs");
4046 : :
4047 [ # # # # ]: 1126 : spdk_json_write_named_uint32(w, "security", cdata->oacs.security);
4048 [ # # # # ]: 1126 : spdk_json_write_named_uint32(w, "format", cdata->oacs.format);
4049 [ # # # # ]: 1126 : spdk_json_write_named_uint32(w, "firmware", cdata->oacs.firmware);
4050 [ # # # # ]: 1126 : spdk_json_write_named_uint32(w, "ns_manage", cdata->oacs.ns_manage);
4051 : :
4052 : 1126 : spdk_json_write_object_end(w);
4053 : :
4054 [ # # # # ]: 1126 : spdk_json_write_named_bool(w, "multi_ctrlr", cdata->cmic.multi_ctrlr);
4055 [ # # # # ]: 1126 : spdk_json_write_named_bool(w, "ana_reporting", cdata->cmic.ana_reporting);
4056 : :
4057 : 1126 : spdk_json_write_object_end(w);
4058 : :
4059 : 1126 : spdk_json_write_named_object_begin(w, "vs");
4060 : :
4061 : 1126 : spdk_json_write_name(w, "nvme_version");
4062 [ - + ]: 1126 : if (vs.bits.ter) {
4063 : 0 : spdk_json_write_string_fmt(w, "%u.%u.%u", vs.bits.mjr, vs.bits.mnr, vs.bits.ter);
4064 : 0 : } else {
4065 : 1126 : spdk_json_write_string_fmt(w, "%u.%u", vs.bits.mjr, vs.bits.mnr);
4066 : : }
4067 : :
4068 : 1126 : spdk_json_write_object_end(w);
4069 : :
4070 : 1126 : nsdata = spdk_nvme_ns_get_data(ns);
4071 : :
4072 : 1126 : spdk_json_write_named_object_begin(w, "ns_data");
4073 : :
4074 : 1126 : spdk_json_write_named_uint32(w, "id", spdk_nvme_ns_get_id(ns));
4075 : :
4076 [ - + # # : 1126 : if (cdata->cmic.ana_reporting) {
# # ]
4077 : 0 : spdk_json_write_named_string(w, "ana_state",
4078 [ # # # # ]: 0 : _nvme_ana_state_str(nvme_ns->ana_state));
4079 : 0 : }
4080 : :
4081 [ # # # # ]: 1126 : spdk_json_write_named_bool(w, "can_share", nsdata->nmic.can_share);
4082 : :
4083 : 1126 : spdk_json_write_object_end(w);
4084 : :
4085 [ + + # # : 1126 : if (cdata->oacs.security) {
# # ]
4086 : 714 : spdk_json_write_named_object_begin(w, "security");
4087 : :
4088 [ - + # # : 714 : spdk_json_write_named_bool(w, "opal", nvme_ns->bdev->opal);
# # # # #
# ]
4089 : :
4090 : 714 : spdk_json_write_object_end(w);
4091 : 0 : }
4092 : :
4093 : 1126 : spdk_json_write_object_end(w);
4094 : 0 : }
4095 : :
4096 : : static const char *
4097 : 1116 : nvme_bdev_get_mp_policy_str(struct nvme_bdev *nbdev)
4098 : : {
4099 [ + - - # : 1116 : switch (nbdev->mp_policy) {
# # # ]
4100 : 1116 : case BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE:
4101 : 1116 : return "active_passive";
4102 : 0 : case BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE:
4103 : 0 : return "active_active";
4104 : 0 : default:
4105 [ # # ]: 0 : assert(false);
4106 : : return "invalid";
4107 : : }
4108 : 0 : }
4109 : :
4110 : : static const char *
4111 : 0 : nvme_bdev_get_mp_selector_str(struct nvme_bdev *nbdev)
4112 : : {
4113 [ # # # # : 0 : switch (nbdev->mp_selector) {
# # # ]
4114 : 0 : case BDEV_NVME_MP_SELECTOR_ROUND_ROBIN:
4115 : 0 : return "round_robin";
4116 : 0 : case BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH:
4117 : 0 : return "queue_depth";
4118 : 0 : default:
4119 [ # # ]: 0 : assert(false);
4120 : : return "invalid";
4121 : : }
4122 : 0 : }
4123 : :
4124 : : static int
4125 : 1116 : bdev_nvme_dump_info_json(void *ctx, struct spdk_json_write_ctx *w)
4126 : : {
4127 : 1116 : struct nvme_bdev *nvme_bdev = ctx;
4128 : : struct nvme_ns *nvme_ns;
4129 : :
4130 [ - + # # ]: 1116 : pthread_mutex_lock(&nvme_bdev->mutex);
4131 : 1116 : spdk_json_write_named_array_begin(w, "nvme");
4132 [ + + # # : 2242 : TAILQ_FOREACH(nvme_ns, &nvme_bdev->nvme_ns_list, tailq) {
# # # # #
# # # #
# ]
4133 : 1126 : nvme_namespace_info_json(w, nvme_ns);
4134 : 0 : }
4135 : 1116 : spdk_json_write_array_end(w);
4136 : 1116 : spdk_json_write_named_string(w, "mp_policy", nvme_bdev_get_mp_policy_str(nvme_bdev));
4137 [ - + # # : 1116 : if (nvme_bdev->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE) {
# # ]
4138 : 0 : spdk_json_write_named_string(w, "selector", nvme_bdev_get_mp_selector_str(nvme_bdev));
4139 [ # # # # : 0 : if (nvme_bdev->mp_selector == BDEV_NVME_MP_SELECTOR_ROUND_ROBIN) {
# # ]
4140 [ # # # # ]: 0 : spdk_json_write_named_uint32(w, "rr_min_io", nvme_bdev->rr_min_io);
4141 : 0 : }
4142 : 0 : }
4143 [ - + # # ]: 1116 : pthread_mutex_unlock(&nvme_bdev->mutex);
4144 : :
4145 : 1116 : return 0;
4146 : : }
4147 : :
4148 : : static void
4149 : 166 : bdev_nvme_write_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)
4150 : : {
4151 : : /* No config per bdev needed */
4152 : 166 : }
4153 : :
4154 : : static uint64_t
4155 : 0 : bdev_nvme_get_spin_time(struct spdk_io_channel *ch)
4156 : : {
4157 : 0 : struct nvme_bdev_channel *nbdev_ch = spdk_io_channel_get_ctx(ch);
4158 : : struct nvme_io_path *io_path;
4159 : : struct nvme_poll_group *group;
4160 : 0 : uint64_t spin_time = 0;
4161 : :
4162 [ # # # # : 0 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
4163 [ # # # # : 0 : group = io_path->qpair->group;
# # # # ]
4164 : :
4165 [ # # # # : 0 : if (!group || !group->collect_spin_stat) {
# # # # #
# ]
4166 : 0 : continue;
4167 : : }
4168 : :
4169 [ # # # # : 0 : if (group->end_ticks != 0) {
# # ]
4170 [ # # # # : 0 : group->spin_ticks += (group->end_ticks - group->start_ticks);
# # # # #
# # # ]
4171 [ # # # # ]: 0 : group->end_ticks = 0;
4172 : 0 : }
4173 : :
4174 [ # # # # ]: 0 : spin_time += group->spin_ticks;
4175 [ # # # # ]: 0 : group->start_ticks = 0;
4176 [ # # # # ]: 0 : group->spin_ticks = 0;
4177 : 0 : }
4178 : :
4179 [ # # ]: 0 : return (spin_time * 1000000ULL) / spdk_get_ticks_hz();
4180 : : }
4181 : :
4182 : : static void
4183 : 0 : bdev_nvme_reset_device_stat(void *ctx)
4184 : : {
4185 : 0 : struct nvme_bdev *nbdev = ctx;
4186 : :
4187 [ # # # # : 0 : if (nbdev->err_stat != NULL) {
# # ]
4188 [ # # # # : 0 : memset(nbdev->err_stat, 0, sizeof(struct nvme_error_stat));
# # ]
4189 : 0 : }
4190 : 0 : }
4191 : :
4192 : : /* JSON string should be lowercases and underscore delimited string. */
4193 : : static void
4194 : 24 : bdev_nvme_format_nvme_status(char *dst, const char *src)
4195 : : {
4196 : 0 : char tmp[256];
4197 : :
4198 : 24 : spdk_strcpy_replace(dst, 256, src, " - ", "_");
4199 : 24 : spdk_strcpy_replace(tmp, 256, dst, "-", "_");
4200 : 24 : spdk_strcpy_replace(dst, 256, tmp, " ", "_");
4201 : 24 : spdk_strlwr(dst);
4202 : 24 : }
4203 : :
4204 : : static void
4205 : 31 : bdev_nvme_dump_device_stat_json(void *ctx, struct spdk_json_write_ctx *w)
4206 : : {
4207 : 31 : struct nvme_bdev *nbdev = ctx;
4208 : 31 : struct spdk_nvme_status status = {};
4209 : : uint16_t sct, sc;
4210 : 0 : char status_json[256];
4211 : : const char *status_str;
4212 : :
4213 [ + + # # : 31 : if (nbdev->err_stat == NULL) {
# # ]
4214 : 19 : return;
4215 : : }
4216 : :
4217 : 12 : spdk_json_write_named_object_begin(w, "nvme_error");
4218 : :
4219 : 12 : spdk_json_write_named_object_begin(w, "status_type");
4220 [ + + ]: 108 : for (sct = 0; sct < 8; sct++) {
4221 [ + + # # : 96 : if (nbdev->err_stat->status_type[sct] == 0) {
# # # # #
# # # #
# ]
4222 : 84 : continue;
4223 : : }
4224 : 12 : status.sct = sct;
4225 : :
4226 : 12 : status_str = spdk_nvme_cpl_get_status_type_string(&status);
4227 [ - + # # ]: 12 : assert(status_str != NULL);
4228 : 12 : bdev_nvme_format_nvme_status(status_json, status_str);
4229 : :
4230 [ # # # # : 12 : spdk_json_write_named_uint32(w, status_json, nbdev->err_stat->status_type[sct]);
# # # # #
# # # ]
4231 : 0 : }
4232 : 12 : spdk_json_write_object_end(w);
4233 : :
4234 : 12 : spdk_json_write_named_object_begin(w, "status_code");
4235 [ + + ]: 60 : for (sct = 0; sct < 4; sct++) {
4236 : 48 : status.sct = sct;
4237 [ + + ]: 12336 : for (sc = 0; sc < 256; sc++) {
4238 [ + + # # : 12288 : if (nbdev->err_stat->status[sct][sc] == 0) {
# # # # #
# # # # #
# # ]
4239 : 12276 : continue;
4240 : : }
4241 : 12 : status.sc = sc;
4242 : :
4243 : 12 : status_str = spdk_nvme_cpl_get_status_string(&status);
4244 [ - + # # ]: 12 : assert(status_str != NULL);
4245 : 12 : bdev_nvme_format_nvme_status(status_json, status_str);
4246 : :
4247 [ # # # # : 12 : spdk_json_write_named_uint32(w, status_json, nbdev->err_stat->status[sct][sc]);
# # # # #
# # # #
# ]
4248 : 0 : }
4249 : 0 : }
4250 : 12 : spdk_json_write_object_end(w);
4251 : :
4252 : 12 : spdk_json_write_object_end(w);
4253 : 0 : }
4254 : :
4255 : : static bool
4256 : 164010 : bdev_nvme_accel_sequence_supported(void *ctx, enum spdk_bdev_io_type type)
4257 : : {
4258 : 164010 : struct nvme_bdev *nbdev = ctx;
4259 : : struct nvme_ns *nvme_ns;
4260 : : struct spdk_nvme_ctrlr *ctrlr;
4261 : :
4262 [ + + + + ]: 164010 : if (!g_opts.allow_accel_sequence) {
4263 : 163926 : return false;
4264 : : }
4265 : :
4266 [ + + ]: 84 : switch (type) {
4267 : 8 : case SPDK_BDEV_IO_TYPE_WRITE:
4268 : : case SPDK_BDEV_IO_TYPE_READ:
4269 : 8 : break;
4270 : 76 : default:
4271 : 76 : return false;
4272 : : }
4273 : :
4274 [ # # # # : 8 : nvme_ns = TAILQ_FIRST(&nbdev->nvme_ns_list);
# # ]
4275 [ - + # # ]: 8 : assert(nvme_ns != NULL);
4276 : :
4277 [ # # # # : 8 : ctrlr = nvme_ns->ctrlr->ctrlr;
# # # # ]
4278 [ - + # # ]: 8 : assert(ctrlr != NULL);
4279 : :
4280 : 8 : return spdk_nvme_ctrlr_get_flags(ctrlr) & SPDK_NVME_CTRLR_ACCEL_SEQUENCE_SUPPORTED;
4281 : 84 : }
4282 : :
4283 : : static const struct spdk_bdev_fn_table nvmelib_fn_table = {
4284 : : .destruct = bdev_nvme_destruct,
4285 : : .submit_request = bdev_nvme_submit_request,
4286 : : .io_type_supported = bdev_nvme_io_type_supported,
4287 : : .get_io_channel = bdev_nvme_get_io_channel,
4288 : : .dump_info_json = bdev_nvme_dump_info_json,
4289 : : .write_config_json = bdev_nvme_write_config_json,
4290 : : .get_spin_time = bdev_nvme_get_spin_time,
4291 : : .get_module_ctx = bdev_nvme_get_module_ctx,
4292 : : .get_memory_domains = bdev_nvme_get_memory_domains,
4293 : : .accel_sequence_supported = bdev_nvme_accel_sequence_supported,
4294 : : .reset_device_stat = bdev_nvme_reset_device_stat,
4295 : : .dump_device_stat_json = bdev_nvme_dump_device_stat_json,
4296 : : };
4297 : :
4298 : : typedef int (*bdev_nvme_parse_ana_log_page_cb)(
4299 : : const struct spdk_nvme_ana_group_descriptor *desc, void *cb_arg);
4300 : :
4301 : : static int
4302 : 555 : bdev_nvme_parse_ana_log_page(struct nvme_ctrlr *nvme_ctrlr,
4303 : : bdev_nvme_parse_ana_log_page_cb cb_fn, void *cb_arg)
4304 : : {
4305 : : struct spdk_nvme_ana_group_descriptor *copied_desc;
4306 : : uint8_t *orig_desc;
4307 : : uint32_t i, desc_size, copy_len;
4308 : 555 : int rc = 0;
4309 : :
4310 [ - + # # : 555 : if (nvme_ctrlr->ana_log_page == NULL) {
# # ]
4311 : 0 : return -EINVAL;
4312 : : }
4313 : :
4314 [ # # # # ]: 555 : copied_desc = nvme_ctrlr->copied_ana_desc;
4315 : :
4316 [ # # # # : 555 : orig_desc = (uint8_t *)nvme_ctrlr->ana_log_page + sizeof(struct spdk_nvme_ana_page);
# # ]
4317 [ # # # # ]: 555 : copy_len = nvme_ctrlr->max_ana_log_page_size - sizeof(struct spdk_nvme_ana_page);
4318 : :
4319 [ + + # # : 750 : for (i = 0; i < nvme_ctrlr->ana_log_page->num_ana_group_desc; i++) {
# # # # #
# ]
4320 [ - + - + ]: 630 : memcpy(copied_desc, orig_desc, copy_len);
4321 : :
4322 [ # # # # ]: 630 : rc = cb_fn(copied_desc, cb_arg);
4323 [ + + ]: 630 : if (rc != 0) {
4324 : 435 : break;
4325 : : }
4326 : :
4327 : 195 : desc_size = sizeof(struct spdk_nvme_ana_group_descriptor) +
4328 [ # # # # ]: 195 : copied_desc->num_of_nsid * sizeof(uint32_t);
4329 [ # # ]: 195 : orig_desc += desc_size;
4330 : 195 : copy_len -= desc_size;
4331 : 0 : }
4332 : :
4333 : 555 : return rc;
4334 : 0 : }
4335 : :
4336 : : static int
4337 : 17 : nvme_ns_ana_transition_timedout(void *ctx)
4338 : : {
4339 : 17 : struct nvme_ns *nvme_ns = ctx;
4340 : :
4341 [ # # ]: 17 : spdk_poller_unregister(&nvme_ns->anatt_timer);
4342 [ # # # # ]: 17 : nvme_ns->ana_transition_timedout = true;
4343 : :
4344 : 17 : return SPDK_POLLER_BUSY;
4345 : : }
4346 : :
4347 : : static void
4348 : 567 : _nvme_ns_set_ana_state(struct nvme_ns *nvme_ns,
4349 : : const struct spdk_nvme_ana_group_descriptor *desc)
4350 : : {
4351 : : const struct spdk_nvme_ctrlr_data *cdata;
4352 : :
4353 [ # # # # : 567 : nvme_ns->ana_group_id = desc->ana_group_id;
# # # # ]
4354 [ # # # # : 567 : nvme_ns->ana_state = desc->ana_state;
# # ]
4355 [ # # # # ]: 567 : nvme_ns->ana_state_updating = false;
4356 : :
4357 [ + + + # : 567 : switch (nvme_ns->ana_state) {
# # # ]
4358 : 513 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
4359 : : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
4360 [ # # # # ]: 513 : nvme_ns->ana_transition_timedout = false;
4361 [ # # ]: 513 : spdk_poller_unregister(&nvme_ns->anatt_timer);
4362 : 513 : break;
4363 : :
4364 : 51 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
4365 : : case SPDK_NVME_ANA_CHANGE_STATE:
4366 [ + + # # : 51 : if (nvme_ns->anatt_timer != NULL) {
# # ]
4367 : 18 : break;
4368 : : }
4369 : :
4370 [ # # # # : 33 : cdata = spdk_nvme_ctrlr_get_data(nvme_ns->ctrlr->ctrlr);
# # # # ]
4371 [ # # # # : 33 : nvme_ns->anatt_timer = SPDK_POLLER_REGISTER(nvme_ns_ana_transition_timedout,
# # # # ]
4372 : : nvme_ns,
4373 : : cdata->anatt * SPDK_SEC_TO_USEC);
4374 : 33 : break;
4375 : 3 : default:
4376 : 3 : break;
4377 : : }
4378 : 567 : }
4379 : :
4380 : : static int
4381 : 504 : nvme_ns_set_ana_state(const struct spdk_nvme_ana_group_descriptor *desc, void *cb_arg)
4382 : : {
4383 : 504 : struct nvme_ns *nvme_ns = cb_arg;
4384 : : uint32_t i;
4385 : :
4386 [ - + # # : 504 : assert(nvme_ns->ns != NULL);
# # # # ]
4387 : :
4388 [ + + # # : 570 : for (i = 0; i < desc->num_of_nsid; i++) {
# # ]
4389 [ + + # # : 501 : if (desc->nsid[i] != spdk_nvme_ns_get_id(nvme_ns->ns)) {
# # # # #
# # # ]
4390 : 66 : continue;
4391 : : }
4392 : :
4393 : 435 : _nvme_ns_set_ana_state(nvme_ns, desc);
4394 : 435 : return 1;
4395 : : }
4396 : :
4397 : 69 : return 0;
4398 : 0 : }
4399 : :
4400 : : static int
4401 : 15 : nvme_generate_uuid(const char *sn, uint32_t nsid, struct spdk_uuid *uuid)
4402 : : {
4403 : 15 : int rc = 0;
4404 : 15 : struct spdk_uuid new_uuid, namespace_uuid;
4405 : 15 : char merged_str[SPDK_NVME_CTRLR_SN_LEN + NSID_STR_LEN + 1] = {'\0'};
4406 : : /* This namespace UUID was generated using uuid_generate() method. */
4407 : 15 : const char *namespace_str = {"edaed2de-24bc-4b07-b559-f47ecbe730fd"};
4408 : : int size;
4409 : :
4410 [ - + - + : 15 : assert(strlen(sn) <= SPDK_NVME_CTRLR_SN_LEN);
# # ]
4411 : :
4412 : 15 : spdk_uuid_set_null(&new_uuid);
4413 : 15 : spdk_uuid_set_null(&namespace_uuid);
4414 : :
4415 : 15 : size = snprintf(merged_str, sizeof(merged_str), "%s%"PRIu32, sn, nsid);
4416 [ + - - + ]: 15 : if (size <= 0 || (unsigned long)size >= sizeof(merged_str)) {
4417 : 0 : return -EINVAL;
4418 : : }
4419 : :
4420 : 15 : spdk_uuid_parse(&namespace_uuid, namespace_str);
4421 : :
4422 : 15 : rc = spdk_uuid_generate_sha1(&new_uuid, &namespace_uuid, merged_str, size);
4423 [ + - ]: 15 : if (rc == 0) {
4424 [ # # # # ]: 15 : memcpy(uuid, &new_uuid, sizeof(struct spdk_uuid));
4425 : 0 : }
4426 : :
4427 : 15 : return rc;
4428 : 0 : }
4429 : :
4430 : : static int
4431 : 1468 : nvme_disk_create(struct spdk_bdev *disk, const char *base_name,
4432 : : struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns,
4433 : : struct spdk_bdev_nvme_ctrlr_opts *bdev_opts, void *ctx)
4434 : : {
4435 : : const struct spdk_uuid *uuid;
4436 : : const uint8_t *nguid;
4437 : : const struct spdk_nvme_ctrlr_data *cdata;
4438 : : const struct spdk_nvme_ns_data *nsdata;
4439 : : const struct spdk_nvme_ctrlr_opts *opts;
4440 : : enum spdk_nvme_csi csi;
4441 : : uint32_t atomic_bs, phys_bs, bs;
4442 : 1468 : char sn_tmp[SPDK_NVME_CTRLR_SN_LEN + 1] = {'\0'};
4443 : : int rc;
4444 : :
4445 : 1468 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
4446 : 1468 : csi = spdk_nvme_ns_get_csi(ns);
4447 : 1468 : opts = spdk_nvme_ctrlr_get_opts(ctrlr);
4448 : :
4449 [ + + - ]: 1468 : switch (csi) {
4450 : 1465 : case SPDK_NVME_CSI_NVM:
4451 [ + - + - ]: 1466 : disk->product_name = "NVMe disk";
4452 : 1466 : break;
4453 : 2 : case SPDK_NVME_CSI_ZNS:
4454 [ # # # # ]: 2 : disk->product_name = "NVMe ZNS disk";
4455 [ # # # # ]: 2 : disk->zoned = true;
4456 [ # # # # ]: 2 : disk->zone_size = spdk_nvme_zns_ns_get_zone_size_sectors(ns);
4457 [ # # # # : 2 : disk->max_zone_append_size = spdk_nvme_zns_ctrlr_get_max_zone_append_size(ctrlr) /
# # # # ]
4458 : 2 : spdk_nvme_ns_get_extended_sector_size(ns);
4459 [ # # # # ]: 2 : disk->max_open_zones = spdk_nvme_zns_ns_get_max_open_zones(ns);
4460 [ # # # # ]: 2 : disk->max_active_zones = spdk_nvme_zns_ns_get_max_active_zones(ns);
4461 : 2 : break;
4462 : 0 : default:
4463 [ # # # # : 0 : if (bdev_opts->allow_unrecognized_csi) {
# # # # ]
4464 [ # # # # ]: 0 : disk->product_name = "NVMe Passthrough disk";
4465 : 0 : break;
4466 : : }
4467 : 0 : SPDK_ERRLOG("unsupported CSI: %u\n", csi);
4468 : 0 : return -ENOTSUP;
4469 : : }
4470 : :
4471 : 1468 : nguid = spdk_nvme_ns_get_nguid(ns);
4472 [ + + ]: 1468 : if (!nguid) {
4473 : 1073 : uuid = spdk_nvme_ns_get_uuid(ns);
4474 [ + + ]: 1073 : if (uuid) {
4475 [ # # ]: 348 : disk->uuid = *uuid;
4476 [ + + + + ]: 725 : } else if (g_opts.generate_uuids) {
4477 [ # # ]: 0 : spdk_strcpy_pad(sn_tmp, cdata->sn, SPDK_NVME_CTRLR_SN_LEN, '\0');
4478 [ # # ]: 0 : rc = nvme_generate_uuid(sn_tmp, spdk_nvme_ns_get_id(ns), &disk->uuid);
4479 [ # # ]: 0 : if (rc < 0) {
4480 [ # # ]: 0 : SPDK_ERRLOG("UUID generation failed (%s)\n", spdk_strerror(-rc));
4481 : 0 : return rc;
4482 : : }
4483 : 0 : }
4484 : 1 : } else {
4485 [ # # # # : 395 : memcpy(&disk->uuid, nguid, sizeof(disk->uuid));
# # ]
4486 : : }
4487 : :
4488 [ + - + - ]: 1468 : disk->name = spdk_sprintf_alloc("%sn%d", base_name, spdk_nvme_ns_get_id(ns));
4489 [ + + + - : 1468 : if (!disk->name) {
- + ]
4490 : 0 : return -ENOMEM;
4491 : : }
4492 : :
4493 [ + - + - ]: 1468 : disk->write_cache = 0;
4494 [ + + + - : 1468 : if (cdata->vwc.present) {
+ - ]
4495 : : /* Enable if the Volatile Write Cache exists */
4496 [ # # # # ]: 1247 : disk->write_cache = 1;
4497 : 0 : }
4498 [ + + + - : 1468 : if (cdata->oncs.write_zeroes) {
+ - ]
4499 [ # # # # ]: 1266 : disk->max_write_zeroes = UINT16_MAX + 1;
4500 : 0 : }
4501 [ + - + - ]: 1468 : disk->blocklen = spdk_nvme_ns_get_extended_sector_size(ns);
4502 [ + - + - ]: 1468 : disk->blockcnt = spdk_nvme_ns_get_num_sectors(ns);
4503 [ + - + - ]: 1468 : disk->max_segment_size = spdk_nvme_ctrlr_get_max_xfer_size(ctrlr);
4504 [ + - + - : 1468 : disk->ctratt.raw = cdata->ctratt.raw;
+ - + - +
- + - ]
4505 [ + - + - ]: 1468 : disk->nsid = spdk_nvme_ns_get_id(ns);
4506 : : /* NVMe driver will split one request into multiple requests
4507 : : * based on MDTS and stripe boundary, the bdev layer will use
4508 : : * max_segment_size and max_num_segments to split one big IO
4509 : : * into multiple requests, then small request can't run out
4510 : : * of NVMe internal requests data structure.
4511 : : */
4512 [ + - + + : 1468 : if (opts && opts->io_queue_requests) {
+ - - + ]
4513 [ + - + - : 1351 : disk->max_num_segments = opts->io_queue_requests / 2;
+ - + - +
- ]
4514 : 1 : }
4515 [ + + ]: 1468 : if (spdk_nvme_ctrlr_get_flags(ctrlr) & SPDK_NVME_CTRLR_SGL_SUPPORTED) {
4516 : : /* The nvme driver will try to split I/O that have too many
4517 : : * SGEs, but it doesn't work if that last SGE doesn't end on
4518 : : * an aggregate total that is block aligned. The bdev layer has
4519 : : * a more robust splitting framework, so use that instead for
4520 : : * this case. (See issue #3269.)
4521 : : */
4522 : 1247 : uint16_t max_sges = spdk_nvme_ctrlr_get_max_sges(ctrlr);
4523 : :
4524 [ - + # # : 1247 : if (disk->max_num_segments == 0) {
# # ]
4525 [ # # # # ]: 0 : disk->max_num_segments = max_sges;
4526 : 0 : } else {
4527 [ # # # # : 1247 : disk->max_num_segments = spdk_min(disk->max_num_segments, max_sges);
# # # # #
# # # #
# ]
4528 : : }
4529 : 0 : }
4530 [ + - + - ]: 1468 : disk->optimal_io_boundary = spdk_nvme_ns_get_optimal_io_boundary(ns);
4531 : :
4532 : 1468 : nsdata = spdk_nvme_ns_get_data(ns);
4533 : 1468 : bs = spdk_nvme_ns_get_sector_size(ns);
4534 : 1468 : atomic_bs = bs;
4535 : 1468 : phys_bs = bs;
4536 [ + - + - : 1468 : if (nsdata->nabo == 0) {
- + ]
4537 [ + + + + : 1468 : if (nsdata->nsfeat.ns_atomic_write_unit && nsdata->nawupf) {
- + # # #
# # # ]
4538 [ # # # # : 21 : atomic_bs = bs * (1 + nsdata->nawupf);
# # ]
4539 : 0 : } else {
4540 [ + - + - : 1447 : atomic_bs = bs * (1 + cdata->awupf);
+ - ]
4541 : : }
4542 : 1 : }
4543 [ + + + - : 1468 : if (nsdata->nsfeat.optperf) {
+ - ]
4544 [ # # # # : 1266 : phys_bs = bs * (1 + nsdata->npwg);
# # ]
4545 : 0 : }
4546 [ - + + - : 1468 : disk->phys_blocklen = spdk_min(phys_bs, atomic_bs);
+ - ]
4547 : :
4548 [ + - + - ]: 1468 : disk->md_len = spdk_nvme_ns_get_md_size(ns);
4549 [ + + + - : 1468 : if (disk->md_len != 0) {
- + ]
4550 [ # # # # : 52 : disk->md_interleave = nsdata->flbas.extended;
# # # # ]
4551 [ # # # # ]: 52 : disk->dif_type = (enum spdk_dif_type)spdk_nvme_ns_get_pi_type(ns);
4552 [ - + # # : 52 : if (disk->dif_type != SPDK_DIF_DISABLE) {
# # ]
4553 [ # # # # : 0 : disk->dif_is_head_of_md = nsdata->dps.md_start;
# # # # ]
4554 [ # # # # : 0 : disk->dif_check_flags = bdev_opts->prchk_flags;
# # # # ]
4555 [ # # # # ]: 0 : disk->dif_pi_format = (enum spdk_dif_pi_format)spdk_nvme_ns_get_pi_format(ns);
4556 : 0 : }
4557 : 0 : }
4558 : :
4559 [ + + ]: 1468 : if (!(spdk_nvme_ctrlr_get_flags(ctrlr) &
4560 : : SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED)) {
4561 [ + - + - ]: 1092 : disk->acwu = 0;
4562 [ + - # # : 377 : } else if (nsdata->nsfeat.ns_atomic_write_unit) {
# # ]
4563 [ # # # # : 376 : disk->acwu = nsdata->nacwu + 1; /* 0-based */
# # # # #
# ]
4564 : 0 : } else {
4565 [ # # # # : 0 : disk->acwu = cdata->acwu + 1; /* 0-based */
# # # # #
# ]
4566 : : }
4567 : :
4568 [ + + + - : 1468 : if (cdata->oncs.copy) {
+ - ]
4569 : : /* For now bdev interface allows only single segment copy */
4570 [ # # # # : 935 : disk->max_copy = nsdata->mssrl;
# # # # ]
4571 : 0 : }
4572 : :
4573 [ + - + - ]: 1468 : disk->ctxt = ctx;
4574 [ + - + - ]: 1468 : disk->fn_table = &nvmelib_fn_table;
4575 [ + - + - ]: 1468 : disk->module = &nvme_if;
4576 : :
4577 [ + - + - ]: 1468 : disk->numa.id_valid = 1;
4578 [ + - + - ]: 1468 : disk->numa.id = spdk_nvme_ctrlr_get_numa_id(ctrlr);
4579 : :
4580 : 1468 : return 0;
4581 : 1 : }
4582 : :
4583 : : static struct nvme_bdev *
4584 : 1468 : nvme_bdev_alloc(void)
4585 : : {
4586 : : struct nvme_bdev *bdev;
4587 : : int rc;
4588 : :
4589 : 1468 : bdev = calloc(1, sizeof(*bdev));
4590 [ + + ]: 1468 : if (!bdev) {
4591 : 0 : SPDK_ERRLOG("bdev calloc() failed\n");
4592 : 0 : return NULL;
4593 : : }
4594 : :
4595 [ + + + + ]: 1468 : if (g_opts.nvme_error_stat) {
4596 [ # # # # ]: 12 : bdev->err_stat = calloc(1, sizeof(struct nvme_error_stat));
4597 [ - + # # : 12 : if (!bdev->err_stat) {
# # ]
4598 : 0 : SPDK_ERRLOG("err_stat calloc() failed\n");
4599 : 0 : free(bdev);
4600 : 0 : return NULL;
4601 : : }
4602 : 0 : }
4603 : :
4604 [ + + + - ]: 1468 : rc = pthread_mutex_init(&bdev->mutex, NULL);
4605 [ - + ]: 1468 : if (rc != 0) {
4606 [ # # # # ]: 0 : free(bdev->err_stat);
4607 : 0 : free(bdev);
4608 : 0 : return NULL;
4609 : : }
4610 : :
4611 [ - + - + ]: 1468 : bdev->ref = 1;
4612 [ - + - + ]: 1468 : bdev->mp_policy = BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE;
4613 [ - + - + ]: 1468 : bdev->mp_selector = BDEV_NVME_MP_SELECTOR_ROUND_ROBIN;
4614 [ - + - + ]: 1468 : bdev->rr_min_io = UINT32_MAX;
4615 [ - + - + : 1468 : TAILQ_INIT(&bdev->nvme_ns_list);
- + - + -
+ - + - +
- + ]
4616 : :
4617 : 1468 : return bdev;
4618 : 1 : }
4619 : :
4620 : : static int
4621 : 1468 : nvme_bdev_create(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *nvme_ns)
4622 : : {
4623 : : struct nvme_bdev *bdev;
4624 [ + - + - ]: 1468 : struct nvme_bdev_ctrlr *nbdev_ctrlr = nvme_ctrlr->nbdev_ctrlr;
4625 : : int rc;
4626 : :
4627 : 1468 : bdev = nvme_bdev_alloc();
4628 [ + + ]: 1468 : if (bdev == NULL) {
4629 : 0 : SPDK_ERRLOG("Failed to allocate NVMe bdev\n");
4630 : 0 : return -ENOMEM;
4631 : : }
4632 : :
4633 [ + - + - : 1468 : bdev->opal = nvme_ctrlr->opal_dev != NULL;
+ - + - ]
4634 : :
4635 [ + - + - : 1469 : rc = nvme_disk_create(&bdev->disk, nbdev_ctrlr->name, nvme_ctrlr->ctrlr,
+ - + - +
- ]
4636 [ + - + - : 1 : nvme_ns->ns, &nvme_ctrlr->opts, bdev);
+ - ]
4637 [ - + ]: 1468 : if (rc != 0) {
4638 : 0 : SPDK_ERRLOG("Failed to create NVMe disk\n");
4639 : 0 : nvme_bdev_free(bdev);
4640 : 0 : return rc;
4641 : : }
4642 : :
4643 : 1469 : spdk_io_device_register(bdev,
4644 : : bdev_nvme_create_bdev_channel_cb,
4645 : : bdev_nvme_destroy_bdev_channel_cb,
4646 : : sizeof(struct nvme_bdev_channel),
4647 [ + - + - : 1468 : bdev->disk.name);
+ - ]
4648 : :
4649 [ + - + - ]: 1468 : nvme_ns->bdev = bdev;
4650 [ + - + - : 1468 : bdev->nsid = nvme_ns->id;
+ - + - ]
4651 [ + - + - : 1468 : TAILQ_INSERT_TAIL(&bdev->nvme_ns_list, nvme_ns, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
4652 : :
4653 [ + - + - ]: 1468 : bdev->nbdev_ctrlr = nbdev_ctrlr;
4654 [ + - + - : 1468 : TAILQ_INSERT_TAIL(&nbdev_ctrlr->bdevs, bdev, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
4655 : :
4656 [ + - ]: 1468 : rc = spdk_bdev_register(&bdev->disk);
4657 [ + + ]: 1468 : if (rc != 0) {
4658 : 5 : SPDK_ERRLOG("spdk_bdev_register() failed\n");
4659 : 5 : spdk_io_device_unregister(bdev, NULL);
4660 [ # # # # ]: 5 : nvme_ns->bdev = NULL;
4661 [ - + # # : 5 : TAILQ_REMOVE(&nbdev_ctrlr->bdevs, bdev, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4662 : 5 : nvme_bdev_free(bdev);
4663 : 5 : return rc;
4664 : : }
4665 : :
4666 : 1463 : return 0;
4667 : 1 : }
4668 : :
4669 : : static bool
4670 : 103 : bdev_nvme_compare_ns(struct spdk_nvme_ns *ns1, struct spdk_nvme_ns *ns2)
4671 : : {
4672 : : const struct spdk_nvme_ns_data *nsdata1, *nsdata2;
4673 : : const struct spdk_uuid *uuid1, *uuid2;
4674 : :
4675 : 103 : nsdata1 = spdk_nvme_ns_get_data(ns1);
4676 : 103 : nsdata2 = spdk_nvme_ns_get_data(ns2);
4677 : 103 : uuid1 = spdk_nvme_ns_get_uuid(ns1);
4678 : 103 : uuid2 = spdk_nvme_ns_get_uuid(ns2);
4679 : :
4680 [ - + - + : 125 : return memcmp(nsdata1->nguid, nsdata2->nguid, sizeof(nsdata1->nguid)) == 0 &&
# # # # #
# ]
4681 [ + + + + : 100 : nsdata1->eui64 == nsdata2->eui64 &&
# # # # #
# ]
4682 [ + + + + ]: 97 : ((uuid1 == NULL && uuid2 == NULL) ||
4683 [ + + + - : 279 : (uuid1 != NULL && uuid2 != NULL && spdk_uuid_compare(uuid1, uuid2) == 0)) &&
+ + + + ]
4684 : 88 : spdk_nvme_ns_get_csi(ns1) == spdk_nvme_ns_get_csi(ns2);
4685 : : }
4686 : :
4687 : : static bool
4688 : 56 : hotplug_probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
4689 : : struct spdk_nvme_ctrlr_opts *opts)
4690 : : {
4691 : : struct nvme_probe_skip_entry *entry;
4692 : :
4693 [ - + # # : 56 : TAILQ_FOREACH(entry, &g_skipped_nvme_ctrlrs, tailq) {
# # # # ]
4694 [ # # # # ]: 0 : if (spdk_nvme_transport_id_compare(trid, &entry->trid) == 0) {
4695 : 0 : return false;
4696 : : }
4697 : 0 : }
4698 : :
4699 [ # # # # : 56 : opts->arbitration_burst = (uint8_t)g_opts.arbitration_burst;
# # ]
4700 [ # # # # : 56 : opts->low_priority_weight = (uint8_t)g_opts.low_priority_weight;
# # ]
4701 [ # # # # : 56 : opts->medium_priority_weight = (uint8_t)g_opts.medium_priority_weight;
# # ]
4702 [ # # # # : 56 : opts->high_priority_weight = (uint8_t)g_opts.high_priority_weight;
# # ]
4703 [ # # # # ]: 56 : opts->disable_read_ana_log_page = true;
4704 : :
4705 [ - + - + : 56 : SPDK_DEBUGLOG(bdev_nvme, "Attaching to %s\n", trid->traddr);
# # # # ]
4706 : :
4707 : 56 : return true;
4708 : 0 : }
4709 : :
4710 : : static void
4711 : 0 : nvme_abort_cpl(void *ctx, const struct spdk_nvme_cpl *cpl)
4712 : : {
4713 : 0 : struct nvme_ctrlr *nvme_ctrlr = ctx;
4714 : :
4715 [ # # # # : 0 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
4716 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "Abort failed. Resetting controller. sc is %u, sct is %u.\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
4717 : : cpl->status.sc, cpl->status.sct);
4718 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4719 [ # # # # : 0 : } else if (cpl->cdw0 & 0x1) {
# # ]
4720 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "Specified command could not be aborted.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4721 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4722 : 0 : }
4723 : 0 : }
4724 : :
4725 : : static void
4726 : 0 : timeout_cb(void *cb_arg, struct spdk_nvme_ctrlr *ctrlr,
4727 : : struct spdk_nvme_qpair *qpair, uint16_t cid)
4728 : : {
4729 : 0 : struct nvme_ctrlr *nvme_ctrlr = cb_arg;
4730 : : union spdk_nvme_csts_register csts;
4731 : : int rc;
4732 : :
4733 [ # # # # : 0 : assert(nvme_ctrlr->ctrlr == ctrlr);
# # # # ]
4734 : :
4735 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "Warning: Detected a timeout. ctrlr=%p qpair=%p cid=%u\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4736 : : ctrlr, qpair, cid);
4737 : :
4738 : : /* Only try to read CSTS if it's a PCIe controller or we have a timeout on an I/O
4739 : : * queue. (Note: qpair == NULL when there's an admin cmd timeout.) Otherwise we
4740 : : * would submit another fabrics cmd on the admin queue to read CSTS and check for its
4741 : : * completion recursively.
4742 : : */
4743 [ # # # # : 0 : if (nvme_ctrlr->active_path_id->trid.trtype == SPDK_NVME_TRANSPORT_PCIE || qpair != NULL) {
# # # # #
# # # #
# ]
4744 : 0 : csts = spdk_nvme_ctrlr_get_regs_csts(ctrlr);
4745 [ # # ]: 0 : if (csts.bits.cfs) {
4746 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Controller Fatal Status, reset required\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4747 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4748 : 0 : return;
4749 : : }
4750 : 0 : }
4751 : :
4752 [ # # # # ]: 0 : switch (g_opts.action_on_timeout) {
4753 : 0 : case SPDK_BDEV_NVME_TIMEOUT_ACTION_ABORT:
4754 [ # # ]: 0 : if (qpair) {
4755 : : /* Don't send abort to ctrlr when ctrlr is not available. */
4756 [ # # # # ]: 0 : pthread_mutex_lock(&nvme_ctrlr->mutex);
4757 [ # # ]: 0 : if (!nvme_ctrlr_is_available(nvme_ctrlr)) {
4758 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4759 [ # # # # : 0 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Quit abort. Ctrlr is not available.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4760 : 0 : return;
4761 : : }
4762 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4763 : :
4764 : 0 : rc = spdk_nvme_ctrlr_cmd_abort(ctrlr, qpair, cid,
4765 : 0 : nvme_abort_cpl, nvme_ctrlr);
4766 [ # # ]: 0 : if (rc == 0) {
4767 : 0 : return;
4768 : : }
4769 : :
4770 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Unable to send abort. Resetting, rc is %d.\n", rc);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4771 : 0 : }
4772 : :
4773 : : /* FALLTHROUGH */
4774 : : case SPDK_BDEV_NVME_TIMEOUT_ACTION_RESET:
4775 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4776 : 0 : break;
4777 : 0 : case SPDK_BDEV_NVME_TIMEOUT_ACTION_NONE:
4778 [ # # # # : 0 : NVME_CTRLR_DEBUGLOG(nvme_ctrlr, "No action for nvme controller timeout.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
4779 : 0 : break;
4780 : 0 : default:
4781 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "An invalid timeout action value is found.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4782 : 0 : break;
4783 : : }
4784 : 0 : }
4785 : :
4786 : : static struct nvme_ns *
4787 : 1525 : nvme_ns_alloc(void)
4788 : : {
4789 : : struct nvme_ns *nvme_ns;
4790 : :
4791 : 1525 : nvme_ns = calloc(1, sizeof(struct nvme_ns));
4792 [ + + ]: 1525 : if (nvme_ns == NULL) {
4793 : 0 : return NULL;
4794 : : }
4795 : :
4796 [ + + + + : 1525 : if (g_opts.io_path_stat) {
+ - ]
4797 [ # # # # ]: 0 : nvme_ns->stat = calloc(1, sizeof(struct spdk_bdev_io_stat));
4798 [ # # # # : 0 : if (nvme_ns->stat == NULL) {
# # ]
4799 : 0 : free(nvme_ns);
4800 : 0 : return NULL;
4801 : : }
4802 [ # # # # ]: 0 : spdk_bdev_reset_io_stat(nvme_ns->stat, SPDK_BDEV_RESET_STAT_MAXMIN);
4803 : 0 : }
4804 : :
4805 : 1525 : return nvme_ns;
4806 : 1 : }
4807 : :
4808 : : static void
4809 : 1525 : nvme_ns_free(struct nvme_ns *nvme_ns)
4810 : : {
4811 [ + - + - ]: 1525 : free(nvme_ns->stat);
4812 : 1525 : free(nvme_ns);
4813 : 1525 : }
4814 : :
4815 : : static void
4816 : 1525 : nvme_ctrlr_populate_namespace_done(struct nvme_ns *nvme_ns, int rc)
4817 : : {
4818 [ + - + - ]: 1525 : struct nvme_ctrlr *nvme_ctrlr = nvme_ns->ctrlr;
4819 [ + - + - ]: 1525 : struct nvme_async_probe_ctx *ctx = nvme_ns->probe_ctx;
4820 : :
4821 [ + + ]: 1525 : if (rc == 0) {
4822 [ - + - + ]: 1517 : nvme_ns->probe_ctx = NULL;
4823 : 1517 : nvme_ctrlr_get_ref(nvme_ctrlr);
4824 : 1 : } else {
4825 [ # # ]: 8 : RB_REMOVE(nvme_ns_tree, &nvme_ctrlr->namespaces, nvme_ns);
4826 : 8 : nvme_ns_free(nvme_ns);
4827 : : }
4828 : :
4829 [ + + ]: 1525 : if (ctx) {
4830 [ + - ]: 1461 : ctx->populates_in_progress--;
4831 [ + + + - : 1461 : if (ctx->populates_in_progress == 0) {
+ - ]
4832 : 49 : nvme_ctrlr_populate_namespaces_done(nvme_ctrlr, ctx);
4833 : 0 : }
4834 : 1 : }
4835 : 1525 : }
4836 : :
4837 : : static void
4838 : 6 : bdev_nvme_add_io_path(struct nvme_bdev_channel_iter *i,
4839 : : struct nvme_bdev *nbdev,
4840 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
4841 : : {
4842 : 6 : struct nvme_ns *nvme_ns = ctx;
4843 : : int rc;
4844 : :
4845 : 6 : rc = _bdev_nvme_add_io_path(nbdev_ch, nvme_ns);
4846 [ - + ]: 6 : if (rc != 0) {
4847 : 0 : SPDK_ERRLOG("Failed to add I/O path to bdev_channel dynamically.\n");
4848 : 0 : }
4849 : :
4850 : 6 : nvme_bdev_for_each_channel_continue(i, rc);
4851 : 6 : }
4852 : :
4853 : : static void
4854 : 6 : bdev_nvme_delete_io_path(struct nvme_bdev_channel_iter *i,
4855 : : struct nvme_bdev *nbdev,
4856 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
4857 : : {
4858 : 6 : struct nvme_ns *nvme_ns = ctx;
4859 : : struct nvme_io_path *io_path;
4860 : :
4861 : 6 : io_path = _bdev_nvme_get_io_path(nbdev_ch, nvme_ns);
4862 [ + - ]: 6 : if (io_path != NULL) {
4863 : 6 : _bdev_nvme_delete_io_path(nbdev_ch, io_path);
4864 : 0 : }
4865 : :
4866 : 6 : nvme_bdev_for_each_channel_continue(i, 0);
4867 : 6 : }
4868 : :
4869 : : static void
4870 : 0 : bdev_nvme_add_io_path_failed(struct nvme_bdev *nbdev, void *ctx, int status)
4871 : : {
4872 : 0 : struct nvme_ns *nvme_ns = ctx;
4873 : :
4874 : 0 : nvme_ctrlr_populate_namespace_done(nvme_ns, -1);
4875 : 0 : }
4876 : :
4877 : : static void
4878 : 54 : bdev_nvme_add_io_path_done(struct nvme_bdev *nbdev, void *ctx, int status)
4879 : : {
4880 : 54 : struct nvme_ns *nvme_ns = ctx;
4881 : :
4882 [ + - ]: 54 : if (status == 0) {
4883 : 54 : nvme_ctrlr_populate_namespace_done(nvme_ns, 0);
4884 : 0 : } else {
4885 : : /* Delete the added io_paths and fail populating the namespace. */
4886 : 0 : nvme_bdev_for_each_channel(nbdev,
4887 : : bdev_nvme_delete_io_path,
4888 : 0 : nvme_ns,
4889 : : bdev_nvme_add_io_path_failed);
4890 : : }
4891 : 54 : }
4892 : :
4893 : : static int
4894 : 57 : nvme_bdev_add_ns(struct nvme_bdev *bdev, struct nvme_ns *nvme_ns)
4895 : : {
4896 : : struct nvme_ns *tmp_ns;
4897 : : const struct spdk_nvme_ns_data *nsdata;
4898 : :
4899 [ # # # # ]: 57 : nsdata = spdk_nvme_ns_get_data(nvme_ns->ns);
4900 [ - + # # : 57 : if (!nsdata->nmic.can_share) {
# # ]
4901 : 0 : SPDK_ERRLOG("Namespace cannot be shared.\n");
4902 : 0 : return -EINVAL;
4903 : : }
4904 : :
4905 [ - + # # ]: 57 : pthread_mutex_lock(&bdev->mutex);
4906 : :
4907 [ # # # # : 57 : tmp_ns = TAILQ_FIRST(&bdev->nvme_ns_list);
# # ]
4908 [ - + # # ]: 57 : assert(tmp_ns != NULL);
4909 : :
4910 [ + - + + : 57 : if (tmp_ns->ns != NULL && !bdev_nvme_compare_ns(nvme_ns->ns, tmp_ns->ns)) {
# # # # #
# # # # #
# # ]
4911 [ - + # # ]: 3 : pthread_mutex_unlock(&bdev->mutex);
4912 : 3 : SPDK_ERRLOG("Namespaces are not identical.\n");
4913 : 3 : return -EINVAL;
4914 : : }
4915 : :
4916 [ # # # # ]: 54 : bdev->ref++;
4917 [ # # # # : 54 : TAILQ_INSERT_TAIL(&bdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
4918 [ # # # # ]: 54 : nvme_ns->bdev = bdev;
4919 : :
4920 [ - + # # ]: 54 : pthread_mutex_unlock(&bdev->mutex);
4921 : :
4922 : : /* Add nvme_io_path to nvme_bdev_channels dynamically. */
4923 : 54 : nvme_bdev_for_each_channel(bdev,
4924 : : bdev_nvme_add_io_path,
4925 : 0 : nvme_ns,
4926 : : bdev_nvme_add_io_path_done);
4927 : :
4928 : 54 : return 0;
4929 : 0 : }
4930 : :
4931 : : static void
4932 : 1525 : nvme_ctrlr_populate_namespace(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *nvme_ns)
4933 : : {
4934 : : struct spdk_nvme_ns *ns;
4935 : : struct nvme_bdev *bdev;
4936 : 1525 : int rc = 0;
4937 : :
4938 [ + - + - : 1525 : ns = spdk_nvme_ctrlr_get_ns(nvme_ctrlr->ctrlr, nvme_ns->id);
+ - + - ]
4939 [ - + ]: 1525 : if (!ns) {
4940 [ # # # # : 0 : NVME_CTRLR_DEBUGLOG(nvme_ctrlr, "Invalid NS %d\n", nvme_ns->id);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4941 : 0 : rc = -EINVAL;
4942 : 0 : goto done;
4943 : : }
4944 : :
4945 [ + - + - ]: 1525 : nvme_ns->ns = ns;
4946 [ + - + - ]: 1525 : nvme_ns->ana_state = SPDK_NVME_ANA_OPTIMIZED_STATE;
4947 : :
4948 [ + + + - : 1525 : if (nvme_ctrlr->ana_log_page != NULL) {
+ - ]
4949 : 438 : bdev_nvme_parse_ana_log_page(nvme_ctrlr, nvme_ns_set_ana_state, nvme_ns);
4950 : 0 : }
4951 : :
4952 [ + - + - : 1525 : bdev = nvme_bdev_ctrlr_get_bdev(nvme_ctrlr->nbdev_ctrlr, nvme_ns->id);
+ - + - ]
4953 [ + + ]: 1526 : if (bdev == NULL) {
4954 : 1468 : rc = nvme_bdev_create(nvme_ctrlr, nvme_ns);
4955 : 1 : } else {
4956 : 57 : rc = nvme_bdev_add_ns(bdev, nvme_ns);
4957 [ + + ]: 57 : if (rc == 0) {
4958 : 54 : return;
4959 : : }
4960 : : }
4961 : 3 : done:
4962 : 1471 : nvme_ctrlr_populate_namespace_done(nvme_ns, rc);
4963 : 1 : }
4964 : :
4965 : : static void
4966 : 1517 : nvme_ctrlr_depopulate_namespace_done(struct nvme_ns *nvme_ns)
4967 : : {
4968 [ + - + - ]: 1517 : struct nvme_ctrlr *nvme_ctrlr = nvme_ns->ctrlr;
4969 : :
4970 [ + + # # ]: 1517 : assert(nvme_ctrlr != NULL);
4971 : :
4972 [ + + + - ]: 1517 : pthread_mutex_lock(&nvme_ctrlr->mutex);
4973 : :
4974 [ + - ]: 1517 : RB_REMOVE(nvme_ns_tree, &nvme_ctrlr->namespaces, nvme_ns);
4975 : :
4976 [ + + + - : 1517 : if (nvme_ns->bdev != NULL) {
- + ]
4977 [ - + # # ]: 523 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4978 : 523 : return;
4979 : : }
4980 : :
4981 : 994 : nvme_ns_free(nvme_ns);
4982 [ + + + - ]: 994 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4983 : :
4984 : 994 : nvme_ctrlr_put_ref(nvme_ctrlr);
4985 : 1 : }
4986 : :
4987 : : static void
4988 : 45 : bdev_nvme_delete_io_path_done(struct nvme_bdev *nbdev, void *ctx, int status)
4989 : : {
4990 : 45 : struct nvme_ns *nvme_ns = ctx;
4991 : :
4992 : 45 : nvme_ctrlr_depopulate_namespace_done(nvme_ns);
4993 : 45 : }
4994 : :
4995 : : static void
4996 : 1517 : nvme_ctrlr_depopulate_namespace(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *nvme_ns)
4997 : : {
4998 : : struct nvme_bdev *bdev;
4999 : :
5000 [ + - ]: 1517 : spdk_poller_unregister(&nvme_ns->anatt_timer);
5001 : :
5002 [ + - + - ]: 1517 : bdev = nvme_ns->bdev;
5003 [ + + ]: 1517 : if (bdev != NULL) {
5004 [ - + # # ]: 673 : pthread_mutex_lock(&bdev->mutex);
5005 : :
5006 [ - + # # : 673 : assert(bdev->ref > 0);
# # # # ]
5007 [ # # # # ]: 673 : bdev->ref--;
5008 [ + + # # : 673 : if (bdev->ref == 0) {
# # ]
5009 [ - + # # ]: 628 : pthread_mutex_unlock(&bdev->mutex);
5010 : :
5011 [ # # ]: 628 : spdk_bdev_unregister(&bdev->disk, NULL, NULL);
5012 : 0 : } else {
5013 : : /* spdk_bdev_unregister() is not called until the last nvme_ns is
5014 : : * depopulated. Hence we need to remove nvme_ns from bdev->nvme_ns_list
5015 : : * and clear nvme_ns->bdev here.
5016 : : */
5017 [ + + # # : 45 : TAILQ_REMOVE(&bdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5018 [ # # # # ]: 45 : nvme_ns->bdev = NULL;
5019 : :
5020 [ - + # # ]: 45 : pthread_mutex_unlock(&bdev->mutex);
5021 : :
5022 : : /* Delete nvme_io_paths from nvme_bdev_channels dynamically. After that,
5023 : : * we call depopulate_namespace_done() to avoid use-after-free.
5024 : : */
5025 : 45 : nvme_bdev_for_each_channel(bdev,
5026 : : bdev_nvme_delete_io_path,
5027 : 0 : nvme_ns,
5028 : : bdev_nvme_delete_io_path_done);
5029 : 45 : return;
5030 : : }
5031 : 0 : }
5032 : :
5033 : 1472 : nvme_ctrlr_depopulate_namespace_done(nvme_ns);
5034 : 1 : }
5035 : :
5036 : : static void
5037 : 1757 : nvme_ctrlr_populate_namespaces(struct nvme_ctrlr *nvme_ctrlr,
5038 : : struct nvme_async_probe_ctx *ctx)
5039 : : {
5040 [ + - + - ]: 1757 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5041 : : struct nvme_ns *nvme_ns, *next;
5042 : : struct spdk_nvme_ns *ns;
5043 : : struct nvme_bdev *bdev;
5044 : : uint32_t nsid;
5045 : : int rc;
5046 : : uint64_t num_sectors;
5047 : :
5048 [ + + ]: 1757 : if (ctx) {
5049 : : /* Initialize this count to 1 to handle the populate functions
5050 : : * calling nvme_ctrlr_populate_namespace_done() immediately.
5051 : : */
5052 [ + - + - ]: 1627 : ctx->populates_in_progress = 1;
5053 : 1 : }
5054 : :
5055 : : /* First loop over our existing namespaces and see if they have been
5056 : : * removed. */
5057 : 1757 : nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
5058 [ + + ]: 1787 : while (nvme_ns != NULL) {
5059 : 30 : next = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns);
5060 : :
5061 [ + + # # : 30 : if (spdk_nvme_ctrlr_is_active_ns(ctrlr, nvme_ns->id)) {
# # ]
5062 : : /* NS is still there or added again. Its attributes may have changed. */
5063 [ # # # # ]: 18 : ns = spdk_nvme_ctrlr_get_ns(ctrlr, nvme_ns->id);
5064 [ + + # # : 18 : if (nvme_ns->ns != ns) {
# # ]
5065 [ - + # # : 3 : assert(nvme_ns->ns == NULL);
# # # # ]
5066 [ # # # # ]: 3 : nvme_ns->ns = ns;
5067 [ - + - + : 3 : NVME_CTRLR_DEBUGLOG(nvme_ctrlr, "NSID %u was added\n", nvme_ns->id);
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5068 : 0 : }
5069 : :
5070 : 18 : num_sectors = spdk_nvme_ns_get_num_sectors(ns);
5071 [ # # # # ]: 18 : bdev = nvme_ns->bdev;
5072 [ - + # # ]: 18 : assert(bdev != NULL);
5073 [ + + # # : 18 : if (bdev->disk.blockcnt != num_sectors) {
# # # # ]
5074 [ + - # # : 3 : NVME_CTRLR_NOTICELOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
5075 : : "NSID %u is resized: bdev name %s, old size %" PRIu64 ", new size %" PRIu64 "\n",
5076 : : nvme_ns->id,
5077 : : bdev->disk.name,
5078 : : bdev->disk.blockcnt,
5079 : : num_sectors);
5080 [ # # ]: 3 : rc = spdk_bdev_notify_blockcnt_change(&bdev->disk, num_sectors);
5081 [ - + ]: 3 : if (rc != 0) {
5082 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
5083 : : "Could not change num blocks for nvme bdev: name %s, errno: %d.\n",
5084 : : bdev->disk.name, rc);
5085 : 0 : }
5086 : 0 : }
5087 : 0 : } else {
5088 : : /* Namespace was removed */
5089 : 12 : nvme_ctrlr_depopulate_namespace(nvme_ctrlr, nvme_ns);
5090 : : }
5091 : :
5092 : 30 : nvme_ns = next;
5093 : : }
5094 : :
5095 : : /* Loop through all of the namespaces at the nvme level and see if any of them are new */
5096 : 1757 : nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr);
5097 [ + + ]: 3300 : while (nsid != 0) {
5098 : 1543 : nvme_ns = nvme_ctrlr_get_ns(nvme_ctrlr, nsid);
5099 : :
5100 [ + + ]: 1543 : if (nvme_ns == NULL) {
5101 : : /* Found a new one */
5102 : 1525 : nvme_ns = nvme_ns_alloc();
5103 [ + + ]: 1525 : if (nvme_ns == NULL) {
5104 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate namespace\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5105 : : /* This just fails to attach the namespace. It may work on a future attempt. */
5106 : 0 : continue;
5107 : : }
5108 : :
5109 [ + - + - ]: 1525 : nvme_ns->id = nsid;
5110 [ + - + - ]: 1525 : nvme_ns->ctrlr = nvme_ctrlr;
5111 : :
5112 [ + - + - ]: 1525 : nvme_ns->bdev = NULL;
5113 : :
5114 [ + + ]: 1525 : if (ctx) {
5115 [ + - ]: 1461 : ctx->populates_in_progress++;
5116 : 1 : }
5117 [ + - + - ]: 1525 : nvme_ns->probe_ctx = ctx;
5118 : :
5119 [ + - ]: 1525 : RB_INSERT(nvme_ns_tree, &nvme_ctrlr->namespaces, nvme_ns);
5120 : :
5121 : 1525 : nvme_ctrlr_populate_namespace(nvme_ctrlr, nvme_ns);
5122 : 1 : }
5123 : :
5124 : 1543 : nsid = spdk_nvme_ctrlr_get_next_active_ns(ctrlr, nsid);
5125 : : }
5126 : :
5127 [ + + ]: 1757 : if (ctx) {
5128 : : /* Decrement this count now that the loop is over to account
5129 : : * for the one we started with. If the count is then 0, we
5130 : : * know any populate_namespace functions completed immediately,
5131 : : * so we'll kick the callback here.
5132 : : */
5133 [ + - ]: 1627 : ctx->populates_in_progress--;
5134 [ + + + - : 1627 : if (ctx->populates_in_progress == 0) {
- + ]
5135 : 1578 : nvme_ctrlr_populate_namespaces_done(nvme_ctrlr, ctx);
5136 : 1 : }
5137 : 1 : }
5138 : :
5139 : 1757 : }
5140 : :
5141 : : static void
5142 : 1728 : nvme_ctrlr_depopulate_namespaces(struct nvme_ctrlr *nvme_ctrlr)
5143 : : {
5144 : : struct nvme_ns *nvme_ns, *tmp;
5145 : :
5146 [ + + + + : 3233 : RB_FOREACH_SAFE(nvme_ns, nvme_ns_tree, &nvme_ctrlr->namespaces, tmp) {
+ + ]
5147 : 1505 : nvme_ctrlr_depopulate_namespace(nvme_ctrlr, nvme_ns);
5148 : 1 : }
5149 : 1728 : }
5150 : :
5151 : : static uint32_t
5152 : 3942 : nvme_ctrlr_get_ana_log_page_size(struct nvme_ctrlr *nvme_ctrlr)
5153 : : {
5154 [ # # # # ]: 3942 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5155 : : const struct spdk_nvme_ctrlr_data *cdata;
5156 : 3942 : uint32_t nsid, ns_count = 0;
5157 : :
5158 : 3942 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5159 : :
5160 [ # # ]: 3942 : for (nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr);
5161 [ + + ]: 7908 : nsid != 0; nsid = spdk_nvme_ctrlr_get_next_active_ns(ctrlr, nsid)) {
5162 : 3966 : ns_count++;
5163 : 0 : }
5164 : :
5165 [ # # # # ]: 3942 : return sizeof(struct spdk_nvme_ana_page) + cdata->nanagrpid *
5166 : 3942 : sizeof(struct spdk_nvme_ana_group_descriptor) + ns_count *
5167 : : sizeof(uint32_t);
5168 : : }
5169 : :
5170 : : static int
5171 : 126 : nvme_ctrlr_set_ana_states(const struct spdk_nvme_ana_group_descriptor *desc,
5172 : : void *cb_arg)
5173 : : {
5174 : 126 : struct nvme_ctrlr *nvme_ctrlr = cb_arg;
5175 : : struct nvme_ns *nvme_ns;
5176 : : uint32_t i, nsid;
5177 : :
5178 [ + + # # : 249 : for (i = 0; i < desc->num_of_nsid; i++) {
# # ]
5179 [ # # # # : 123 : nsid = desc->nsid[i];
# # ]
5180 [ - + ]: 123 : if (nsid == 0) {
5181 : 0 : continue;
5182 : : }
5183 : :
5184 : 123 : nvme_ns = nvme_ctrlr_get_ns(nvme_ctrlr, nsid);
5185 : :
5186 [ + + ]: 123 : if (nvme_ns == NULL) {
5187 : : /* Target told us that an inactive namespace had an ANA change */
5188 : 3 : continue;
5189 : : }
5190 : :
5191 : 120 : _nvme_ns_set_ana_state(nvme_ns, desc);
5192 : 0 : }
5193 : :
5194 : 126 : return 0;
5195 : : }
5196 : :
5197 : : static void
5198 : 2 : bdev_nvme_disable_read_ana_log_page(struct nvme_ctrlr *nvme_ctrlr)
5199 : : {
5200 : : struct nvme_ns *nvme_ns;
5201 : :
5202 [ # # # # ]: 2 : spdk_free(nvme_ctrlr->ana_log_page);
5203 [ # # # # ]: 2 : nvme_ctrlr->ana_log_page = NULL;
5204 : :
5205 [ # # ]: 2 : for (nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
5206 [ + + ]: 4 : nvme_ns != NULL;
5207 : 2 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns)) {
5208 [ # # # # ]: 2 : nvme_ns->ana_state_updating = false;
5209 [ # # # # ]: 2 : nvme_ns->ana_state = SPDK_NVME_ANA_OPTIMIZED_STATE;
5210 : 0 : }
5211 : 2 : }
5212 : :
5213 : : static void
5214 : 116 : nvme_ctrlr_read_ana_log_page_done(void *ctx, const struct spdk_nvme_cpl *cpl)
5215 : : {
5216 : 116 : struct nvme_ctrlr *nvme_ctrlr = ctx;
5217 : :
5218 [ + - + + : 116 : if (cpl != NULL && spdk_nvme_cpl_is_success(cpl)) {
+ - # # #
# # # # #
# # # # ]
5219 : 114 : bdev_nvme_parse_ana_log_page(nvme_ctrlr, nvme_ctrlr_set_ana_states,
5220 : 0 : nvme_ctrlr);
5221 : 0 : } else {
5222 : 2 : bdev_nvme_disable_read_ana_log_page(nvme_ctrlr);
5223 : : }
5224 : :
5225 [ - + # # ]: 116 : pthread_mutex_lock(&nvme_ctrlr->mutex);
5226 : :
5227 [ - + # # : 116 : assert(nvme_ctrlr->ana_log_page_updating == true);
# # ]
5228 [ # # ]: 116 : nvme_ctrlr->ana_log_page_updating = false;
5229 : :
5230 [ - + ]: 116 : if (nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
5231 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5232 : :
5233 : 0 : nvme_ctrlr_unregister(nvme_ctrlr);
5234 : 0 : } else {
5235 [ - + # # ]: 116 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5236 : :
5237 : 116 : bdev_nvme_clear_io_path_caches(nvme_ctrlr);
5238 : : }
5239 : 116 : }
5240 : :
5241 : : static int
5242 : 3525 : nvme_ctrlr_read_ana_log_page(struct nvme_ctrlr *nvme_ctrlr)
5243 : : {
5244 : : uint32_t ana_log_page_size;
5245 : : int rc;
5246 : :
5247 [ - + # # : 3525 : if (nvme_ctrlr->ana_log_page == NULL) {
# # ]
5248 : 0 : return -EINVAL;
5249 : : }
5250 : :
5251 : 3525 : ana_log_page_size = nvme_ctrlr_get_ana_log_page_size(nvme_ctrlr);
5252 : :
5253 [ - + # # : 3525 : if (ana_log_page_size > nvme_ctrlr->max_ana_log_page_size) {
# # ]
5254 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5255 : : "ANA log page size %" PRIu32 " is larger than allowed %" PRIu32 "\n",
5256 : : ana_log_page_size, nvme_ctrlr->max_ana_log_page_size);
5257 : 0 : return -EINVAL;
5258 : : }
5259 : :
5260 [ - + # # ]: 3525 : pthread_mutex_lock(&nvme_ctrlr->mutex);
5261 [ + + + + ]: 3525 : if (!nvme_ctrlr_is_available(nvme_ctrlr) ||
5262 [ # # ]: 0 : nvme_ctrlr->ana_log_page_updating) {
5263 [ - + # # ]: 3409 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5264 : 3409 : return -EBUSY;
5265 : : }
5266 : :
5267 [ # # ]: 116 : nvme_ctrlr->ana_log_page_updating = true;
5268 [ - + # # ]: 116 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5269 : :
5270 [ # # # # ]: 116 : rc = spdk_nvme_ctrlr_cmd_get_log_page(nvme_ctrlr->ctrlr,
5271 : : SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS,
5272 : : SPDK_NVME_GLOBAL_NS_TAG,
5273 [ # # # # ]: 116 : nvme_ctrlr->ana_log_page,
5274 : 0 : ana_log_page_size, 0,
5275 : : nvme_ctrlr_read_ana_log_page_done,
5276 : 0 : nvme_ctrlr);
5277 [ - + ]: 116 : if (rc != 0) {
5278 : 0 : nvme_ctrlr_read_ana_log_page_done(nvme_ctrlr, NULL);
5279 : 0 : }
5280 : :
5281 : 116 : return rc;
5282 : 0 : }
5283 : :
5284 : : static void
5285 : 0 : dummy_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *ctx)
5286 : : {
5287 : 0 : }
5288 : :
5289 : : struct bdev_nvme_set_preferred_path_ctx {
5290 : : struct spdk_bdev_desc *desc;
5291 : : struct nvme_ns *nvme_ns;
5292 : : bdev_nvme_set_preferred_path_cb cb_fn;
5293 : : void *cb_arg;
5294 : : };
5295 : :
5296 : : static void
5297 : 9 : bdev_nvme_set_preferred_path_done(struct nvme_bdev *nbdev, void *_ctx, int status)
5298 : : {
5299 : 9 : struct bdev_nvme_set_preferred_path_ctx *ctx = _ctx;
5300 : :
5301 [ - + # # ]: 9 : assert(ctx != NULL);
5302 [ - + # # : 9 : assert(ctx->desc != NULL);
# # # # ]
5303 [ - + # # : 9 : assert(ctx->cb_fn != NULL);
# # # # ]
5304 : :
5305 [ # # # # ]: 9 : spdk_bdev_close(ctx->desc);
5306 : :
5307 [ # # # # : 9 : ctx->cb_fn(ctx->cb_arg, status);
# # # # #
# # # ]
5308 : :
5309 : 9 : free(ctx);
5310 : 9 : }
5311 : :
5312 : : static void
5313 : 6 : _bdev_nvme_set_preferred_path(struct nvme_bdev_channel_iter *i,
5314 : : struct nvme_bdev *nbdev,
5315 : : struct nvme_bdev_channel *nbdev_ch, void *_ctx)
5316 : : {
5317 : 6 : struct bdev_nvme_set_preferred_path_ctx *ctx = _ctx;
5318 : : struct nvme_io_path *io_path, *prev;
5319 : :
5320 : 6 : prev = NULL;
5321 [ + - # # : 9 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
5322 [ + + # # : 9 : if (io_path->nvme_ns == ctx->nvme_ns) {
# # # # #
# ]
5323 : 6 : break;
5324 : : }
5325 : 3 : prev = io_path;
5326 : 0 : }
5327 : :
5328 [ + - ]: 6 : if (io_path != NULL) {
5329 [ + + ]: 6 : if (prev != NULL) {
5330 [ - + # # : 3 : STAILQ_REMOVE_AFTER(&nbdev_ch->io_path_list, prev, stailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
5331 [ - + # # : 3 : STAILQ_INSERT_HEAD(&nbdev_ch->io_path_list, io_path, stailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
5332 : 0 : }
5333 : :
5334 : : /* We can set io_path to nbdev_ch->current_io_path directly here.
5335 : : * However, it needs to be conditional. To simplify the code,
5336 : : * just clear nbdev_ch->current_io_path and let find_io_path()
5337 : : * fill it.
5338 : : *
5339 : : * Automatic failback may be disabled. Hence even if the io_path is
5340 : : * already at the head, clear nbdev_ch->current_io_path.
5341 : : */
5342 : 6 : bdev_nvme_clear_current_io_path(nbdev_ch);
5343 : 0 : }
5344 : :
5345 : 6 : nvme_bdev_for_each_channel_continue(i, 0);
5346 : 6 : }
5347 : :
5348 : : static struct nvme_ns *
5349 : 9 : bdev_nvme_set_preferred_ns(struct nvme_bdev *nbdev, uint16_t cntlid)
5350 : : {
5351 : : struct nvme_ns *nvme_ns, *prev;
5352 : : const struct spdk_nvme_ctrlr_data *cdata;
5353 : :
5354 : 9 : prev = NULL;
5355 [ + - # # : 18 : TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
# # # # #
# # # #
# ]
5356 [ # # # # : 18 : cdata = spdk_nvme_ctrlr_get_data(nvme_ns->ctrlr->ctrlr);
# # # # ]
5357 : :
5358 [ + + # # : 18 : if (cdata->cntlid == cntlid) {
# # ]
5359 : 9 : break;
5360 : : }
5361 : 9 : prev = nvme_ns;
5362 : 0 : }
5363 : :
5364 [ + - + + ]: 9 : if (nvme_ns != NULL && prev != NULL) {
5365 [ + + # # : 6 : TAILQ_REMOVE(&nbdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5366 [ + - # # : 6 : TAILQ_INSERT_HEAD(&nbdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5367 : 0 : }
5368 : :
5369 : 9 : return nvme_ns;
5370 : : }
5371 : :
5372 : : /* This function supports only multipath mode. There is only a single I/O path
5373 : : * for each NVMe-oF controller. Hence, just move the matched I/O path to the
5374 : : * head of the I/O path list for each NVMe bdev channel.
5375 : : *
5376 : : * NVMe bdev channel may be acquired after completing this function. move the
5377 : : * matched namespace to the head of the namespace list for the NVMe bdev too.
5378 : : */
5379 : : void
5380 : 9 : bdev_nvme_set_preferred_path(const char *name, uint16_t cntlid,
5381 : : bdev_nvme_set_preferred_path_cb cb_fn, void *cb_arg)
5382 : : {
5383 : : struct bdev_nvme_set_preferred_path_ctx *ctx;
5384 : : struct spdk_bdev *bdev;
5385 : : struct nvme_bdev *nbdev;
5386 : 9 : int rc = 0;
5387 : :
5388 [ - + # # ]: 9 : assert(cb_fn != NULL);
5389 : :
5390 : 9 : ctx = calloc(1, sizeof(*ctx));
5391 [ - + ]: 9 : if (ctx == NULL) {
5392 : 0 : SPDK_ERRLOG("Failed to alloc context.\n");
5393 : 0 : rc = -ENOMEM;
5394 : 0 : goto err_alloc;
5395 : : }
5396 : :
5397 [ # # # # ]: 9 : ctx->cb_fn = cb_fn;
5398 [ # # # # ]: 9 : ctx->cb_arg = cb_arg;
5399 : :
5400 [ # # ]: 9 : rc = spdk_bdev_open_ext(name, false, dummy_bdev_event_cb, NULL, &ctx->desc);
5401 [ - + ]: 9 : if (rc != 0) {
5402 : 0 : SPDK_ERRLOG("Failed to open bdev %s.\n", name);
5403 : 0 : goto err_open;
5404 : : }
5405 : :
5406 [ # # # # ]: 9 : bdev = spdk_bdev_desc_get_bdev(ctx->desc);
5407 : :
5408 [ - + # # : 9 : if (bdev->module != &nvme_if) {
# # ]
5409 : 0 : SPDK_ERRLOG("bdev %s is not registered in this module.\n", name);
5410 : 0 : rc = -ENODEV;
5411 : 0 : goto err_bdev;
5412 : : }
5413 : :
5414 : 9 : nbdev = SPDK_CONTAINEROF(bdev, struct nvme_bdev, disk);
5415 : :
5416 [ - + # # ]: 9 : pthread_mutex_lock(&nbdev->mutex);
5417 : :
5418 [ # # # # ]: 9 : ctx->nvme_ns = bdev_nvme_set_preferred_ns(nbdev, cntlid);
5419 [ - + # # : 9 : if (ctx->nvme_ns == NULL) {
# # ]
5420 [ # # # # ]: 0 : pthread_mutex_unlock(&nbdev->mutex);
5421 : :
5422 : 0 : SPDK_ERRLOG("bdev %s does not have namespace to controller %u.\n", name, cntlid);
5423 : 0 : rc = -ENODEV;
5424 : 0 : goto err_bdev;
5425 : : }
5426 : :
5427 [ - + # # ]: 9 : pthread_mutex_unlock(&nbdev->mutex);
5428 : :
5429 : 9 : nvme_bdev_for_each_channel(nbdev,
5430 : : _bdev_nvme_set_preferred_path,
5431 : 0 : ctx,
5432 : : bdev_nvme_set_preferred_path_done);
5433 : 9 : return;
5434 : :
5435 : 0 : err_bdev:
5436 [ # # # # ]: 0 : spdk_bdev_close(ctx->desc);
5437 : 0 : err_open:
5438 : 0 : free(ctx);
5439 : 0 : err_alloc:
5440 [ # # # # ]: 0 : cb_fn(cb_arg, rc);
5441 : 0 : }
5442 : :
5443 : : struct bdev_nvme_set_multipath_policy_ctx {
5444 : : struct spdk_bdev_desc *desc;
5445 : : spdk_bdev_nvme_set_multipath_policy_cb cb_fn;
5446 : : void *cb_arg;
5447 : : };
5448 : :
5449 : : static void
5450 : 13 : bdev_nvme_set_multipath_policy_done(struct nvme_bdev *nbdev, void *_ctx, int status)
5451 : : {
5452 : 13 : struct bdev_nvme_set_multipath_policy_ctx *ctx = _ctx;
5453 : :
5454 [ - + # # ]: 13 : assert(ctx != NULL);
5455 [ - + # # : 13 : assert(ctx->desc != NULL);
# # # # ]
5456 [ - + # # : 13 : assert(ctx->cb_fn != NULL);
# # # # ]
5457 : :
5458 [ # # # # ]: 13 : spdk_bdev_close(ctx->desc);
5459 : :
5460 [ # # # # : 13 : ctx->cb_fn(ctx->cb_arg, status);
# # # # #
# # # ]
5461 : :
5462 : 13 : free(ctx);
5463 : 13 : }
5464 : :
5465 : : static void
5466 : 7 : _bdev_nvme_set_multipath_policy(struct nvme_bdev_channel_iter *i,
5467 : : struct nvme_bdev *nbdev,
5468 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
5469 : : {
5470 [ # # # # : 7 : nbdev_ch->mp_policy = nbdev->mp_policy;
# # # # ]
5471 [ # # # # : 7 : nbdev_ch->mp_selector = nbdev->mp_selector;
# # # # ]
5472 [ # # # # : 7 : nbdev_ch->rr_min_io = nbdev->rr_min_io;
# # # # ]
5473 : 7 : bdev_nvme_clear_current_io_path(nbdev_ch);
5474 : :
5475 : 7 : nvme_bdev_for_each_channel_continue(i, 0);
5476 : 7 : }
5477 : :
5478 : : void
5479 : 13 : spdk_bdev_nvme_set_multipath_policy(const char *name, enum spdk_bdev_nvme_multipath_policy policy,
5480 : : enum spdk_bdev_nvme_multipath_selector selector, uint32_t rr_min_io,
5481 : : spdk_bdev_nvme_set_multipath_policy_cb cb_fn, void *cb_arg)
5482 : : {
5483 : : struct bdev_nvme_set_multipath_policy_ctx *ctx;
5484 : : struct spdk_bdev *bdev;
5485 : : struct nvme_bdev *nbdev;
5486 : : int rc;
5487 : :
5488 [ - + # # ]: 13 : assert(cb_fn != NULL);
5489 : :
5490 [ + + - ]: 13 : switch (policy) {
5491 : 3 : case BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE:
5492 : 3 : break;
5493 [ + + - ]: 10 : case BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE:
5494 [ + - - ]: 4 : switch (selector) {
5495 : 7 : case BDEV_NVME_MP_SELECTOR_ROUND_ROBIN:
5496 [ + + ]: 7 : if (rr_min_io == UINT32_MAX) {
5497 : 4 : rr_min_io = 1;
5498 [ - + ]: 3 : } else if (rr_min_io == 0) {
5499 : 0 : rc = -EINVAL;
5500 : 0 : goto exit;
5501 : : }
5502 : 7 : break;
5503 : 3 : case BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH:
5504 : 3 : break;
5505 : 0 : default:
5506 : 0 : rc = -EINVAL;
5507 : 0 : goto exit;
5508 : : }
5509 : 10 : break;
5510 : 0 : default:
5511 : 0 : rc = -EINVAL;
5512 : 0 : goto exit;
5513 : : }
5514 : :
5515 : 13 : ctx = calloc(1, sizeof(*ctx));
5516 [ - + ]: 13 : if (ctx == NULL) {
5517 : 0 : SPDK_ERRLOG("Failed to alloc context.\n");
5518 : 0 : rc = -ENOMEM;
5519 : 0 : goto exit;
5520 : : }
5521 : :
5522 [ # # # # ]: 13 : ctx->cb_fn = cb_fn;
5523 [ # # # # ]: 13 : ctx->cb_arg = cb_arg;
5524 : :
5525 [ # # ]: 13 : rc = spdk_bdev_open_ext(name, false, dummy_bdev_event_cb, NULL, &ctx->desc);
5526 [ - + ]: 13 : if (rc != 0) {
5527 : 0 : SPDK_ERRLOG("Failed to open bdev %s.\n", name);
5528 : 0 : rc = -ENODEV;
5529 : 0 : goto err_open;
5530 : : }
5531 : :
5532 [ # # # # ]: 13 : bdev = spdk_bdev_desc_get_bdev(ctx->desc);
5533 [ - + # # : 13 : if (bdev->module != &nvme_if) {
# # ]
5534 : 0 : SPDK_ERRLOG("bdev %s is not registered in this module.\n", name);
5535 : 0 : rc = -ENODEV;
5536 : 0 : goto err_module;
5537 : : }
5538 : 13 : nbdev = SPDK_CONTAINEROF(bdev, struct nvme_bdev, disk);
5539 : :
5540 [ - + # # ]: 13 : pthread_mutex_lock(&nbdev->mutex);
5541 [ # # # # ]: 13 : nbdev->mp_policy = policy;
5542 [ # # # # ]: 13 : nbdev->mp_selector = selector;
5543 [ # # # # ]: 13 : nbdev->rr_min_io = rr_min_io;
5544 [ - + # # ]: 13 : pthread_mutex_unlock(&nbdev->mutex);
5545 : :
5546 : 13 : nvme_bdev_for_each_channel(nbdev,
5547 : : _bdev_nvme_set_multipath_policy,
5548 : 0 : ctx,
5549 : : bdev_nvme_set_multipath_policy_done);
5550 : 13 : return;
5551 : :
5552 : 0 : err_module:
5553 [ # # # # ]: 0 : spdk_bdev_close(ctx->desc);
5554 : 0 : err_open:
5555 : 0 : free(ctx);
5556 : 0 : exit:
5557 [ # # # # ]: 0 : cb_fn(cb_arg, rc);
5558 : 0 : }
5559 : :
5560 : : static void
5561 : 139 : aer_cb(void *arg, const struct spdk_nvme_cpl *cpl)
5562 : : {
5563 : 139 : struct nvme_ctrlr *nvme_ctrlr = arg;
5564 : : union spdk_nvme_async_event_completion event;
5565 : :
5566 [ + + - + : 139 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
5567 : 4 : SPDK_WARNLOG("AER request execute failed\n");
5568 : 4 : return;
5569 : : }
5570 : :
5571 [ # # # # ]: 135 : event.raw = cpl->cdw0;
5572 [ + - # # ]: 135 : if ((event.bits.async_event_type == SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE) &&
5573 [ + + ]: 135 : (event.bits.async_event_info == SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGED)) {
5574 : 32 : nvme_ctrlr_populate_namespaces(nvme_ctrlr, NULL);
5575 [ + - # # ]: 103 : } else if ((event.bits.async_event_type == SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE) &&
5576 [ + - ]: 103 : (event.bits.async_event_info == SPDK_NVME_ASYNC_EVENT_ANA_CHANGE)) {
5577 : 103 : nvme_ctrlr_read_ana_log_page(nvme_ctrlr);
5578 : 0 : }
5579 : 0 : }
5580 : :
5581 : : static void
5582 : 1725 : free_nvme_async_probe_ctx(struct nvme_async_probe_ctx *ctx)
5583 : : {
5584 [ + - + - : 1725 : spdk_keyring_put_key(ctx->drv_opts.tls_psk);
+ - ]
5585 [ + - + - : 1725 : spdk_keyring_put_key(ctx->drv_opts.dhchap_key);
+ - ]
5586 [ + - + - : 1725 : spdk_keyring_put_key(ctx->drv_opts.dhchap_ctrlr_key);
+ - ]
5587 : 1725 : free(ctx);
5588 : 1725 : }
5589 : :
5590 : : static void
5591 : 1716 : populate_namespaces_cb(struct nvme_async_probe_ctx *ctx, int rc)
5592 : : {
5593 [ + - + - : 1716 : if (ctx->cb_fn) {
+ - ]
5594 [ + - + - : 1716 : ctx->cb_fn(ctx->cb_ctx, ctx->reported_bdevs, rc);
- + + - +
- + - + -
+ - ]
5595 : 1 : }
5596 : :
5597 [ + - + - ]: 1716 : ctx->namespaces_populated = true;
5598 [ + + + + : 1716 : if (ctx->probe_done) {
+ - + - ]
5599 : : /* The probe was already completed, so we need to free the context
5600 : : * here. This can happen for cases like OCSSD, where we need to
5601 : : * send additional commands to the SSD after attach.
5602 : : */
5603 : 482 : free_nvme_async_probe_ctx(ctx);
5604 : 0 : }
5605 : 1716 : }
5606 : :
5607 : : static int
5608 : 67361 : bdev_nvme_remove_poller(void *ctx)
5609 : : {
5610 : 31911 : struct spdk_nvme_transport_id trid_pcie;
5611 : :
5612 [ + + ]: 67361 : if (TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
5613 : 867 : spdk_poller_unregister(&g_hotplug_poller);
5614 : 867 : return SPDK_POLLER_IDLE;
5615 : : }
5616 : :
5617 [ + + ]: 66494 : memset(&trid_pcie, 0, sizeof(trid_pcie));
5618 : 66494 : spdk_nvme_trid_populate_transport(&trid_pcie, SPDK_NVME_TRANSPORT_PCIE);
5619 : :
5620 [ + + ]: 66494 : if (spdk_nvme_scan_attached(&trid_pcie)) {
5621 [ # # # # ]: 0 : SPDK_ERRLOG_RATELIMIT("spdk_nvme_scan_attached() failed\n");
5622 : 0 : }
5623 : :
5624 : 66494 : return SPDK_POLLER_BUSY;
5625 : 29 : }
5626 : :
5627 : : static void
5628 : 1725 : nvme_ctrlr_create_done(struct nvme_ctrlr *nvme_ctrlr,
5629 : : struct nvme_async_probe_ctx *ctx)
5630 : : {
5631 [ + - + - : 1725 : struct spdk_nvme_transport_id *trid = &nvme_ctrlr->active_path_id->trid;
+ - ]
5632 : :
5633 [ + + + - : 1725 : if (spdk_nvme_trtype_is_fabrics(trid->trtype)) {
- + ]
5634 [ - + + + : 1157 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was created to %s:%s\n",
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5635 : : trid->traddr, trid->trsvcid);
5636 : 0 : } else {
5637 [ + + + + : 568 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was created\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
5638 : : }
5639 : :
5640 : 1726 : spdk_io_device_register(nvme_ctrlr,
5641 : : bdev_nvme_create_ctrlr_channel_cb,
5642 : : bdev_nvme_destroy_ctrlr_channel_cb,
5643 : : sizeof(struct nvme_ctrlr_channel),
5644 [ + - + - : 1725 : nvme_ctrlr->nbdev_ctrlr->name);
+ - + - ]
5645 : :
5646 : 1725 : nvme_ctrlr_populate_namespaces(nvme_ctrlr, ctx);
5647 : :
5648 [ + + ]: 1725 : if (g_hotplug_poller == NULL) {
5649 : 1275 : g_hotplug_poller = SPDK_POLLER_REGISTER(bdev_nvme_remove_poller, NULL,
5650 : : NVME_HOTPLUG_POLL_PERIOD_DEFAULT);
5651 : 1 : }
5652 : 1725 : }
5653 : :
5654 : : static void
5655 : 417 : nvme_ctrlr_init_ana_log_page_done(void *_ctx, const struct spdk_nvme_cpl *cpl)
5656 : : {
5657 : 417 : struct nvme_ctrlr *nvme_ctrlr = _ctx;
5658 [ # # # # ]: 417 : struct nvme_async_probe_ctx *ctx = nvme_ctrlr->probe_ctx;
5659 : :
5660 [ # # # # ]: 417 : nvme_ctrlr->probe_ctx = NULL;
5661 : :
5662 [ + - - + : 417 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
5663 : 0 : nvme_ctrlr_delete(nvme_ctrlr);
5664 : :
5665 [ # # ]: 0 : if (ctx != NULL) {
5666 [ # # # # ]: 0 : ctx->reported_bdevs = 0;
5667 : 0 : populate_namespaces_cb(ctx, -1);
5668 : 0 : }
5669 : 0 : return;
5670 : : }
5671 : :
5672 : 417 : nvme_ctrlr_create_done(nvme_ctrlr, ctx);
5673 : 0 : }
5674 : :
5675 : : static int
5676 : 417 : nvme_ctrlr_init_ana_log_page(struct nvme_ctrlr *nvme_ctrlr,
5677 : : struct nvme_async_probe_ctx *ctx)
5678 : : {
5679 [ # # # # ]: 417 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5680 : : const struct spdk_nvme_ctrlr_data *cdata;
5681 : : uint32_t ana_log_page_size;
5682 : :
5683 : 417 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5684 : :
5685 : : /* Set buffer size enough to include maximum number of allowed namespaces. */
5686 [ # # # # ]: 417 : ana_log_page_size = sizeof(struct spdk_nvme_ana_page) + cdata->nanagrpid *
5687 [ # # # # ]: 417 : sizeof(struct spdk_nvme_ana_group_descriptor) + cdata->mnan *
5688 : : sizeof(uint32_t);
5689 : :
5690 [ # # # # ]: 417 : nvme_ctrlr->ana_log_page = spdk_zmalloc(ana_log_page_size, 64, NULL,
5691 : : SPDK_ENV_NUMA_ID_ANY, SPDK_MALLOC_DMA);
5692 [ - + # # : 417 : if (nvme_ctrlr->ana_log_page == NULL) {
# # ]
5693 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "could not allocate ANA log page buffer\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5694 : 0 : return -ENXIO;
5695 : : }
5696 : :
5697 : : /* Each descriptor in a ANA log page is not ensured to be 8-bytes aligned.
5698 : : * Hence copy each descriptor to a temporary area when parsing it.
5699 : : *
5700 : : * Allocate a buffer whose size is as large as ANA log page buffer because
5701 : : * we do not know the size of a descriptor until actually reading it.
5702 : : */
5703 [ # # # # ]: 417 : nvme_ctrlr->copied_ana_desc = calloc(1, ana_log_page_size);
5704 [ - + # # : 417 : if (nvme_ctrlr->copied_ana_desc == NULL) {
# # ]
5705 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "could not allocate a buffer to parse ANA descriptor\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5706 : 0 : return -ENOMEM;
5707 : : }
5708 : :
5709 [ # # # # ]: 417 : nvme_ctrlr->max_ana_log_page_size = ana_log_page_size;
5710 : :
5711 [ # # # # ]: 417 : nvme_ctrlr->probe_ctx = ctx;
5712 : :
5713 : : /* Then, set the read size only to include the current active namespaces. */
5714 : 417 : ana_log_page_size = nvme_ctrlr_get_ana_log_page_size(nvme_ctrlr);
5715 : :
5716 [ - + # # : 417 : if (ana_log_page_size > nvme_ctrlr->max_ana_log_page_size) {
# # ]
5717 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "ANA log page size %" PRIu32 " is larger than allowed %" PRIu32 "\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5718 : : ana_log_page_size, nvme_ctrlr->max_ana_log_page_size);
5719 : 0 : return -EINVAL;
5720 : : }
5721 : :
5722 : 417 : return spdk_nvme_ctrlr_cmd_get_log_page(ctrlr,
5723 : : SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS,
5724 : : SPDK_NVME_GLOBAL_NS_TAG,
5725 [ # # # # ]: 417 : nvme_ctrlr->ana_log_page,
5726 : 0 : ana_log_page_size, 0,
5727 : : nvme_ctrlr_init_ana_log_page_done,
5728 : 0 : nvme_ctrlr);
5729 : 0 : }
5730 : :
5731 : : /* hostnqn and subnqn were already verified before attaching a controller.
5732 : : * Hence check only the multipath capability and cntlid here.
5733 : : */
5734 : : static bool
5735 : 61 : bdev_nvme_check_multipath(struct nvme_bdev_ctrlr *nbdev_ctrlr, struct spdk_nvme_ctrlr *ctrlr)
5736 : : {
5737 : : struct nvme_ctrlr *tmp;
5738 : : const struct spdk_nvme_ctrlr_data *cdata, *tmp_cdata;
5739 : :
5740 : 61 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5741 : :
5742 [ - + # # : 61 : if (!cdata->cmic.multi_ctrlr) {
# # ]
5743 [ # # # # ]: 0 : SPDK_ERRLOG("Ctrlr%u does not support multipath.\n", cdata->cntlid);
5744 : 0 : return false;
5745 : : }
5746 : :
5747 [ + + # # : 125 : TAILQ_FOREACH(tmp, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
5748 [ # # # # ]: 67 : tmp_cdata = spdk_nvme_ctrlr_get_data(tmp->ctrlr);
5749 : :
5750 [ - + # # : 67 : if (!tmp_cdata->cmic.multi_ctrlr) {
# # ]
5751 [ # # # # : 0 : NVME_CTRLR_ERRLOG(tmp, "Ctrlr%u does not support multipath.\n", cdata->cntlid);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5752 : 0 : return false;
5753 : : }
5754 [ + + # # : 67 : if (cdata->cntlid == tmp_cdata->cntlid) {
# # # # #
# ]
5755 [ + - # # : 3 : NVME_CTRLR_ERRLOG(tmp, "cntlid %u are duplicated.\n", tmp_cdata->cntlid);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5756 : 3 : return false;
5757 : : }
5758 : 0 : }
5759 : :
5760 : 58 : return true;
5761 : 0 : }
5762 : :
5763 : :
5764 : : static int
5765 : 1728 : nvme_bdev_ctrlr_create(const char *name, struct nvme_ctrlr *nvme_ctrlr)
5766 : : {
5767 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
5768 [ + - + - ]: 1728 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5769 : : struct nvme_ctrlr *nctrlr;
5770 : 1728 : int rc = 0;
5771 : :
5772 [ + + ]: 1728 : pthread_mutex_lock(&g_bdev_nvme_mutex);
5773 : :
5774 : 1728 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
5775 [ + + ]: 1728 : if (nbdev_ctrlr != NULL) {
5776 [ + + ]: 61 : if (!bdev_nvme_check_multipath(nbdev_ctrlr, ctrlr)) {
5777 : 3 : rc = -EINVAL;
5778 : 3 : goto exit;
5779 : : }
5780 [ + + # # : 122 : TAILQ_FOREACH(nctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
5781 [ - + - + : 64 : if (nctrlr->opts.multipath != nvme_ctrlr->opts.multipath) {
- + # # #
# # # # #
# # # # ]
5782 : : /* All controllers with the same name must be configured the same
5783 : : * way, either for multipath or failover. If the configuration doesn't
5784 : : * match - report error.
5785 : : */
5786 : 0 : rc = -EINVAL;
5787 : 0 : goto exit;
5788 : : }
5789 : 0 : }
5790 : 0 : } else {
5791 : 1667 : nbdev_ctrlr = calloc(1, sizeof(*nbdev_ctrlr));
5792 [ + + ]: 1667 : if (nbdev_ctrlr == NULL) {
5793 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate nvme_bdev_ctrlr.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5794 : 0 : rc = -ENOMEM;
5795 : 0 : goto exit;
5796 : : }
5797 [ + + + - : 1667 : nbdev_ctrlr->name = strdup(name);
+ - ]
5798 [ + + + - : 1667 : if (nbdev_ctrlr->name == NULL) {
+ - ]
5799 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate name of nvme_bdev_ctrlr.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5800 : 0 : free(nbdev_ctrlr);
5801 : 0 : goto exit;
5802 : : }
5803 [ + - + - : 1667 : TAILQ_INIT(&nbdev_ctrlr->ctrlrs);
+ - + - +
- + - + -
+ - ]
5804 [ + - + - : 1667 : TAILQ_INIT(&nbdev_ctrlr->bdevs);
+ - + - +
- + - + -
+ - ]
5805 [ + - + - : 1667 : TAILQ_INSERT_TAIL(&g_nvme_bdev_ctrlrs, nbdev_ctrlr, tailq);
+ - + - +
- + - + -
+ - + - +
- + - +
- ]
5806 : : }
5807 [ + - + - ]: 1725 : nvme_ctrlr->nbdev_ctrlr = nbdev_ctrlr;
5808 [ + - + - : 1725 : TAILQ_INSERT_TAIL(&nbdev_ctrlr->ctrlrs, nvme_ctrlr, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
5809 : 1727 : exit:
5810 [ + + ]: 1728 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
5811 : 1728 : return rc;
5812 : : }
5813 : :
5814 : : static int
5815 : 1728 : nvme_ctrlr_create(struct spdk_nvme_ctrlr *ctrlr,
5816 : : const char *name,
5817 : : const struct spdk_nvme_transport_id *trid,
5818 : : struct nvme_async_probe_ctx *ctx)
5819 : : {
5820 : : struct nvme_ctrlr *nvme_ctrlr;
5821 : : struct nvme_path_id *path_id;
5822 : : const struct spdk_nvme_ctrlr_data *cdata;
5823 : 1728 : struct spdk_event_handler_opts opts = {
5824 : : .opts_size = SPDK_SIZEOF(&opts, fd_type),
5825 : : };
5826 : : uint64_t period;
5827 : : int fd, rc;
5828 : :
5829 : 1728 : nvme_ctrlr = calloc(1, sizeof(*nvme_ctrlr));
5830 [ + + ]: 1728 : if (nvme_ctrlr == NULL) {
5831 : 0 : SPDK_ERRLOG("Failed to allocate device struct\n");
5832 : 0 : return -ENOMEM;
5833 : : }
5834 : :
5835 [ + + + - ]: 1728 : rc = pthread_mutex_init(&nvme_ctrlr->mutex, NULL);
5836 [ - + ]: 1728 : if (rc != 0) {
5837 : 0 : free(nvme_ctrlr);
5838 : 0 : return rc;
5839 : : }
5840 : :
5841 [ + - + - : 1728 : TAILQ_INIT(&nvme_ctrlr->trids);
+ - + - +
- + - + -
+ - ]
5842 [ + - + - : 1728 : TAILQ_INIT(&nvme_ctrlr->pending_resets);
+ - + - +
- + - + -
+ - ]
5843 [ + - + - : 1728 : RB_INIT(&nvme_ctrlr->namespaces);
+ - ]
5844 : :
5845 : : /* Get another reference to the key, so the first one can be released from probe_ctx */
5846 [ + + ]: 1728 : if (ctx != NULL) {
5847 [ + + + - : 1630 : if (ctx->drv_opts.tls_psk != NULL) {
+ - + - ]
5848 [ # # # # ]: 42 : nvme_ctrlr->psk = spdk_keyring_get_key(
5849 [ # # # # : 0 : spdk_key_get_name(ctx->drv_opts.tls_psk));
# # ]
5850 [ - + # # : 42 : if (nvme_ctrlr->psk == NULL) {
# # ]
5851 : : /* Could only happen if the key was removed in the meantime */
5852 [ # # # # : 0 : SPDK_ERRLOG("Couldn't get a reference to the key '%s'\n",
# # ]
5853 : : spdk_key_get_name(ctx->drv_opts.tls_psk));
5854 : 0 : rc = -ENOKEY;
5855 : 0 : goto err;
5856 : : }
5857 : 0 : }
5858 : :
5859 [ + + + - : 1630 : if (ctx->drv_opts.dhchap_key != NULL) {
+ - + - ]
5860 [ # # # # ]: 628 : nvme_ctrlr->dhchap_key = spdk_keyring_get_key(
5861 [ # # # # : 0 : spdk_key_get_name(ctx->drv_opts.dhchap_key));
# # ]
5862 [ - + # # : 628 : if (nvme_ctrlr->dhchap_key == NULL) {
# # ]
5863 [ # # # # : 0 : SPDK_ERRLOG("Couldn't get a reference to the key '%s'\n",
# # ]
5864 : : spdk_key_get_name(ctx->drv_opts.dhchap_key));
5865 : 0 : rc = -ENOKEY;
5866 : 0 : goto err;
5867 : : }
5868 : 0 : }
5869 : :
5870 [ + + + - : 1630 : if (ctx->drv_opts.dhchap_ctrlr_key != NULL) {
+ - + - ]
5871 [ # # # # ]: 484 : nvme_ctrlr->dhchap_ctrlr_key =
5872 : 484 : spdk_keyring_get_key(
5873 [ # # # # : 0 : spdk_key_get_name(ctx->drv_opts.dhchap_ctrlr_key));
# # ]
5874 [ - + # # : 484 : if (nvme_ctrlr->dhchap_ctrlr_key == NULL) {
# # ]
5875 [ # # # # : 0 : SPDK_ERRLOG("Couldn't get a reference to the key '%s'\n",
# # ]
5876 : : spdk_key_get_name(ctx->drv_opts.dhchap_ctrlr_key));
5877 : 0 : rc = -ENOKEY;
5878 : 0 : goto err;
5879 : : }
5880 : 0 : }
5881 : 1 : }
5882 : :
5883 : : /* Check if we manage to enable interrupts on the controller. */
5884 [ - + - - : 1728 : if (spdk_interrupt_mode_is_enabled() && ctx != NULL && !ctx->drv_opts.enable_interrupts) {
- - - - #
# # # #
# ]
5885 : 0 : SPDK_ERRLOG("Failed to enable interrupts on the controller\n");
5886 : 0 : rc = -ENOTSUP;
5887 : 0 : goto err;
5888 : : }
5889 : :
5890 : 1728 : path_id = calloc(1, sizeof(*path_id));
5891 [ - + ]: 1728 : if (path_id == NULL) {
5892 : 0 : SPDK_ERRLOG("Failed to allocate trid entry pointer\n");
5893 : 0 : rc = -ENOMEM;
5894 : 0 : goto err;
5895 : : }
5896 : :
5897 [ + - ]: 1728 : path_id->trid = *trid;
5898 [ + + ]: 1728 : if (ctx != NULL) {
5899 [ + + + + : 1630 : memcpy(path_id->hostid.hostaddr, ctx->drv_opts.src_addr, sizeof(path_id->hostid.hostaddr));
+ - + - +
- + - ]
5900 [ + + + + : 1630 : memcpy(path_id->hostid.hostsvcid, ctx->drv_opts.src_svcid, sizeof(path_id->hostid.hostsvcid));
+ - + - +
- + - ]
5901 : 1 : }
5902 [ + - + - ]: 1728 : nvme_ctrlr->active_path_id = path_id;
5903 [ + + + - : 1728 : TAILQ_INSERT_HEAD(&nvme_ctrlr->trids, path_id, link);
+ - + - +
- + - - +
# # # # #
# # # # #
# # # # #
# + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
5904 : :
5905 [ + - + - ]: 1728 : nvme_ctrlr->thread = spdk_get_thread();
5906 [ + - + - ]: 1728 : nvme_ctrlr->ctrlr = ctrlr;
5907 [ + - + - ]: 1728 : nvme_ctrlr->ref = 1;
5908 : :
5909 [ - + ]: 1728 : if (spdk_nvme_ctrlr_is_ocssd_supported(ctrlr)) {
5910 : 0 : SPDK_ERRLOG("OCSSDs are not supported");
5911 : 0 : rc = -ENOTSUP;
5912 : 0 : goto err;
5913 : : }
5914 : :
5915 [ + + ]: 1728 : if (ctx != NULL) {
5916 [ + + + + : 1630 : memcpy(&nvme_ctrlr->opts, &ctx->bdev_opts, sizeof(ctx->bdev_opts));
+ - + - ]
5917 : 1 : } else {
5918 [ # # ]: 98 : spdk_bdev_nvme_get_default_ctrlr_opts(&nvme_ctrlr->opts);
5919 : : }
5920 : :
5921 [ + + + - ]: 1728 : period = spdk_interrupt_mode_is_enabled() ? 0 : g_opts.nvme_adminq_poll_period_us;
5922 : :
5923 [ + - + - ]: 1728 : nvme_ctrlr->adminq_timer_poller = SPDK_POLLER_REGISTER(bdev_nvme_poll_adminq, nvme_ctrlr,
5924 : : period);
5925 : :
5926 [ + + ]: 1728 : if (spdk_interrupt_mode_is_enabled()) {
5927 [ # # # # ]: 0 : spdk_poller_register_interrupt(nvme_ctrlr->adminq_timer_poller, NULL, NULL);
5928 : :
5929 [ # # # # ]: 0 : fd = spdk_nvme_ctrlr_get_admin_qp_fd(nvme_ctrlr->ctrlr, &opts);
5930 [ # # ]: 0 : if (fd < 0) {
5931 : 0 : rc = fd;
5932 : 0 : goto err;
5933 : : }
5934 : :
5935 [ # # # # ]: 0 : nvme_ctrlr->intr = SPDK_INTERRUPT_REGISTER_EXT(fd, bdev_nvme_poll_adminq,
5936 : : nvme_ctrlr, &opts);
5937 [ # # # # : 0 : if (!nvme_ctrlr->intr) {
# # ]
5938 : 0 : rc = -EINVAL;
5939 : 0 : goto err;
5940 : : }
5941 : 0 : }
5942 : :
5943 [ + + + - ]: 1728 : if (g_opts.timeout_us > 0) {
5944 : : /* Register timeout callback. Timeout values for IO vs. admin reqs can be different. */
5945 : : /* If timeout_admin_us is 0 (not specified), admin uses same timeout as IO. */
5946 [ # # # # ]: 0 : uint64_t adm_timeout_us = (g_opts.timeout_admin_us == 0) ?
5947 [ # # # # ]: 0 : g_opts.timeout_us : g_opts.timeout_admin_us;
5948 [ # # ]: 0 : spdk_nvme_ctrlr_register_timeout_callback(ctrlr, g_opts.timeout_us,
5949 : 0 : adm_timeout_us, timeout_cb, nvme_ctrlr);
5950 : 0 : }
5951 : :
5952 : 1728 : spdk_nvme_ctrlr_register_aer_callback(ctrlr, aer_cb, nvme_ctrlr);
5953 : 1728 : spdk_nvme_ctrlr_set_remove_cb(ctrlr, remove_cb, nvme_ctrlr);
5954 : :
5955 [ + + ]: 1728 : if (spdk_nvme_ctrlr_get_flags(ctrlr) &
5956 : : SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED) {
5957 [ # # # # ]: 32 : nvme_ctrlr->opal_dev = spdk_opal_dev_construct(ctrlr);
5958 : 0 : }
5959 : :
5960 : 1728 : rc = nvme_bdev_ctrlr_create(name, nvme_ctrlr);
5961 [ + + ]: 1728 : if (rc != 0) {
5962 : 3 : goto err;
5963 : : }
5964 : :
5965 : 1725 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5966 : :
5967 [ + + - + : 1725 : if (cdata->cmic.ana_reporting) {
- + ]
5968 : 417 : rc = nvme_ctrlr_init_ana_log_page(nvme_ctrlr, ctx);
5969 [ + - ]: 417 : if (rc == 0) {
5970 : 417 : return 0;
5971 : : }
5972 : 0 : } else {
5973 : 1308 : nvme_ctrlr_create_done(nvme_ctrlr, ctx);
5974 : 1308 : return 0;
5975 : : }
5976 : :
5977 : 3 : err:
5978 : 3 : nvme_ctrlr_delete(nvme_ctrlr);
5979 : 3 : return rc;
5980 : 1 : }
5981 : :
5982 : : void
5983 : 1695 : spdk_bdev_nvme_get_default_ctrlr_opts(struct spdk_bdev_nvme_ctrlr_opts *opts)
5984 : : {
5985 [ + - + - ]: 1695 : opts->prchk_flags = 0;
5986 [ + - + - : 1695 : opts->ctrlr_loss_timeout_sec = g_opts.ctrlr_loss_timeout_sec;
+ - ]
5987 [ + - + - : 1695 : opts->reconnect_delay_sec = g_opts.reconnect_delay_sec;
+ - ]
5988 [ + - + - : 1695 : opts->fast_io_fail_timeout_sec = g_opts.fast_io_fail_timeout_sec;
+ - ]
5989 [ + - + - ]: 1695 : opts->multipath = true;
5990 : 1695 : }
5991 : :
5992 : : static void
5993 : 56 : attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
5994 : : struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *drv_opts)
5995 : : {
5996 : : char *name;
5997 : :
5998 [ # # ]: 56 : name = spdk_sprintf_alloc("HotInNvme%d", g_hot_insert_nvme_controller_index++);
5999 [ - + ]: 56 : if (!name) {
6000 : 0 : SPDK_ERRLOG("Failed to assign name to NVMe device\n");
6001 : 0 : return;
6002 : : }
6003 : :
6004 [ + - ]: 56 : if (nvme_ctrlr_create(ctrlr, name, trid, NULL) == 0) {
6005 [ - + - + : 56 : SPDK_DEBUGLOG(bdev_nvme, "Attached to %s (%s)\n", trid->traddr, name);
# # # # ]
6006 : 0 : } else {
6007 [ # # ]: 0 : SPDK_ERRLOG("Failed to attach to %s (%s)\n", trid->traddr, name);
6008 : : }
6009 : :
6010 : 56 : free(name);
6011 : 0 : }
6012 : :
6013 : : static void
6014 : 1725 : _nvme_ctrlr_destruct(void *ctx)
6015 : : {
6016 : 1725 : struct nvme_ctrlr *nvme_ctrlr = ctx;
6017 : :
6018 : 1725 : nvme_ctrlr_depopulate_namespaces(nvme_ctrlr);
6019 : 1725 : nvme_ctrlr_put_ref(nvme_ctrlr);
6020 : 1725 : }
6021 : :
6022 : : static int
6023 : 977 : bdev_nvme_delete_ctrlr_unsafe(struct nvme_ctrlr *nvme_ctrlr, bool hotplug)
6024 : : {
6025 : : struct nvme_probe_skip_entry *entry;
6026 : :
6027 : : /* The controller's destruction was already started */
6028 [ - + # # ]: 977 : if (nvme_ctrlr->destruct) {
6029 : 0 : return -EALREADY;
6030 : : }
6031 : :
6032 [ + + # # : 977 : if (!hotplug &&
# # ]
6033 [ + + # # : 929 : nvme_ctrlr->active_path_id->trid.trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # # # #
# ]
6034 : 56 : entry = calloc(1, sizeof(*entry));
6035 [ - + ]: 56 : if (!entry) {
6036 : 0 : return -ENOMEM;
6037 : : }
6038 [ # # # # : 56 : entry->trid = nvme_ctrlr->active_path_id->trid;
# # # # ]
6039 [ # # # # : 56 : TAILQ_INSERT_TAIL(&g_skipped_nvme_ctrlrs, entry, tailq);
# # # # #
# # # # #
# # # # #
# # # #
# ]
6040 : 0 : }
6041 : :
6042 [ # # ]: 977 : nvme_ctrlr->destruct = true;
6043 : 977 : return 0;
6044 : 0 : }
6045 : :
6046 : : static int
6047 : 77 : bdev_nvme_delete_ctrlr(struct nvme_ctrlr *nvme_ctrlr, bool hotplug)
6048 : : {
6049 : : int rc;
6050 : :
6051 [ - + # # ]: 77 : pthread_mutex_lock(&nvme_ctrlr->mutex);
6052 [ # # ]: 77 : rc = bdev_nvme_delete_ctrlr_unsafe(nvme_ctrlr, hotplug);
6053 [ - + # # ]: 77 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6054 : :
6055 [ + - ]: 77 : if (rc == 0) {
6056 : 77 : _nvme_ctrlr_destruct(nvme_ctrlr);
6057 [ # # ]: 0 : } else if (rc == -EALREADY) {
6058 : 0 : rc = 0;
6059 : 0 : }
6060 : :
6061 : 77 : return rc;
6062 : : }
6063 : :
6064 : : static void
6065 : 48 : remove_cb(void *cb_ctx, struct spdk_nvme_ctrlr *ctrlr)
6066 : : {
6067 : 48 : struct nvme_ctrlr *nvme_ctrlr = cb_ctx;
6068 : :
6069 : 48 : bdev_nvme_delete_ctrlr(nvme_ctrlr, true);
6070 : 48 : }
6071 : :
6072 : : static int
6073 : 20010 : bdev_nvme_hotplug_probe(void *arg)
6074 : : {
6075 [ + + ]: 20010 : if (g_hotplug_probe_ctx == NULL) {
6076 : 1 : spdk_poller_unregister(&g_hotplug_probe_poller);
6077 : 1 : return SPDK_POLLER_IDLE;
6078 : : }
6079 : :
6080 [ + + ]: 20009 : if (spdk_nvme_probe_poll_async(g_hotplug_probe_ctx) != -EAGAIN) {
6081 : 3866 : g_hotplug_probe_ctx = NULL;
6082 : 3866 : spdk_poller_unregister(&g_hotplug_probe_poller);
6083 : 0 : }
6084 : :
6085 : 20009 : return SPDK_POLLER_BUSY;
6086 : 0 : }
6087 : :
6088 : : static int
6089 : 4015 : bdev_nvme_hotplug(void *arg)
6090 : : {
6091 : 1936 : struct spdk_nvme_transport_id trid_pcie;
6092 : :
6093 [ + + ]: 4015 : if (g_hotplug_probe_ctx) {
6094 : 148 : return SPDK_POLLER_BUSY;
6095 : : }
6096 : :
6097 [ - + ]: 3867 : memset(&trid_pcie, 0, sizeof(trid_pcie));
6098 : 3867 : spdk_nvme_trid_populate_transport(&trid_pcie, SPDK_NVME_TRANSPORT_PCIE);
6099 : :
6100 : 3867 : g_hotplug_probe_ctx = spdk_nvme_probe_async(&trid_pcie, NULL,
6101 : : hotplug_probe_cb, attach_cb, NULL);
6102 : :
6103 [ + - ]: 3867 : if (g_hotplug_probe_ctx) {
6104 [ - + # # ]: 3867 : assert(g_hotplug_probe_poller == NULL);
6105 : 3867 : g_hotplug_probe_poller = SPDK_POLLER_REGISTER(bdev_nvme_hotplug_probe, NULL, 1000);
6106 : 0 : }
6107 : :
6108 : 3867 : return SPDK_POLLER_BUSY;
6109 : 0 : }
6110 : :
6111 : : void
6112 : 1022 : bdev_nvme_get_opts(struct spdk_bdev_nvme_opts *opts)
6113 : : {
6114 : 1022 : *opts = g_opts;
6115 : 1022 : }
6116 : :
6117 : : static bool bdev_nvme_check_io_error_resiliency_params(int32_t ctrlr_loss_timeout_sec,
6118 : : uint32_t reconnect_delay_sec,
6119 : : uint32_t fast_io_fail_timeout_sec);
6120 : :
6121 : : static int
6122 : 1022 : bdev_nvme_validate_opts(const struct spdk_bdev_nvme_opts *opts)
6123 : : {
6124 [ + + + + : 1022 : if ((opts->timeout_us == 0) && (opts->timeout_admin_us != 0)) {
+ - + - +
- + - ]
6125 : : /* Can't set timeout_admin_us without also setting timeout_us */
6126 : 0 : SPDK_WARNLOG("Invalid options: Can't have (timeout_us == 0) with (timeout_admin_us > 0)\n");
6127 : 0 : return -EINVAL;
6128 : : }
6129 : :
6130 [ + + + - : 1022 : if (opts->bdev_retry_count < -1) {
- + ]
6131 : 0 : SPDK_WARNLOG("Invalid option: bdev_retry_count can't be less than -1.\n");
6132 : 0 : return -EINVAL;
6133 : : }
6134 : :
6135 [ + + + - : 1049 : if (!bdev_nvme_check_io_error_resiliency_params(opts->ctrlr_loss_timeout_sec,
+ - ]
6136 [ + - + - ]: 1022 : opts->reconnect_delay_sec,
6137 [ + - + - ]: 1022 : opts->fast_io_fail_timeout_sec)) {
6138 : 0 : return -EINVAL;
6139 : : }
6140 : :
6141 : 1022 : return 0;
6142 : 27 : }
6143 : :
6144 : : int
6145 : 1022 : bdev_nvme_set_opts(const struct spdk_bdev_nvme_opts *opts)
6146 : : {
6147 : : int ret;
6148 : :
6149 : 1022 : ret = bdev_nvme_validate_opts(opts);
6150 [ - + ]: 1022 : if (ret) {
6151 : 0 : SPDK_WARNLOG("Failed to set nvme opts.\n");
6152 : 0 : return ret;
6153 : : }
6154 : :
6155 [ + + ]: 1022 : if (g_bdev_nvme_init_thread != NULL) {
6156 [ - + ]: 652 : if (!TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
6157 : 0 : return -EPERM;
6158 : : }
6159 : 0 : }
6160 : :
6161 [ + - + - : 1049 : if (opts->rdma_srq_size != 0 ||
+ - - + ]
6162 [ + - + - : 1022 : opts->rdma_max_cq_size != 0 ||
+ - ]
6163 [ - + - + ]: 1022 : opts->rdma_cm_event_timeout_ms != 0) {
6164 : 0 : struct spdk_nvme_transport_opts drv_opts;
6165 : :
6166 : 0 : spdk_nvme_transport_get_opts(&drv_opts, sizeof(drv_opts));
6167 [ # # # # : 0 : if (opts->rdma_srq_size != 0) {
# # ]
6168 [ # # # # ]: 0 : drv_opts.rdma_srq_size = opts->rdma_srq_size;
6169 : 0 : }
6170 [ # # # # : 0 : if (opts->rdma_max_cq_size != 0) {
# # ]
6171 [ # # # # : 0 : drv_opts.rdma_max_cq_size = opts->rdma_max_cq_size;
# # ]
6172 : 0 : }
6173 [ # # # # : 0 : if (opts->rdma_cm_event_timeout_ms != 0) {
# # ]
6174 [ # # # # : 0 : drv_opts.rdma_cm_event_timeout_ms = opts->rdma_cm_event_timeout_ms;
# # ]
6175 : 0 : }
6176 : :
6177 : 0 : ret = spdk_nvme_transport_set_opts(&drv_opts, sizeof(drv_opts));
6178 [ # # ]: 0 : if (ret) {
6179 : 0 : SPDK_ERRLOG("Failed to set NVMe transport opts.\n");
6180 : 0 : return ret;
6181 : : }
6182 : 0 : }
6183 : :
6184 : 1022 : g_opts = *opts;
6185 : :
6186 : 1022 : return 0;
6187 : 27 : }
6188 : :
6189 : : struct set_nvme_hotplug_ctx {
6190 : : uint64_t period_us;
6191 : : bool enabled;
6192 : : spdk_msg_fn fn;
6193 : : void *fn_ctx;
6194 : : };
6195 : :
6196 : : static void
6197 : 301 : set_nvme_hotplug_period_cb(void *_ctx)
6198 : : {
6199 : 301 : struct set_nvme_hotplug_ctx *ctx = _ctx;
6200 : :
6201 : 301 : spdk_poller_unregister(&g_hotplug_poller);
6202 [ + + + + : 301 : if (ctx->enabled) {
+ - - + ]
6203 [ # # # # ]: 12 : g_hotplug_poller = SPDK_POLLER_REGISTER(bdev_nvme_hotplug, NULL, ctx->period_us);
6204 : 0 : } else {
6205 : 289 : g_hotplug_poller = SPDK_POLLER_REGISTER(bdev_nvme_remove_poller, NULL,
6206 : : NVME_HOTPLUG_POLL_PERIOD_DEFAULT);
6207 : : }
6208 : :
6209 [ + - + - ]: 301 : g_nvme_hotplug_poll_period_us = ctx->period_us;
6210 [ + + + - : 301 : g_nvme_hotplug_enabled = ctx->enabled;
+ - ]
6211 [ + - + - : 301 : if (ctx->fn) {
+ - ]
6212 [ + - + - : 301 : ctx->fn(ctx->fn_ctx);
- + + - +
- + - ]
6213 : 26 : }
6214 : :
6215 : 301 : free(ctx);
6216 : 301 : }
6217 : :
6218 : : int
6219 : 301 : bdev_nvme_set_hotplug(bool enabled, uint64_t period_us, spdk_msg_fn cb, void *cb_ctx)
6220 : : {
6221 : : struct set_nvme_hotplug_ctx *ctx;
6222 : :
6223 [ + + - + : 301 : if (enabled == true && !spdk_process_is_primary()) {
# # ]
6224 : 0 : return -EPERM;
6225 : : }
6226 : :
6227 : 301 : ctx = calloc(1, sizeof(*ctx));
6228 [ + + ]: 301 : if (ctx == NULL) {
6229 : 0 : return -ENOMEM;
6230 : : }
6231 : :
6232 [ + + ]: 301 : period_us = period_us == 0 ? NVME_HOTPLUG_POLL_PERIOD_DEFAULT : period_us;
6233 [ + - - + : 301 : ctx->period_us = spdk_min(period_us, NVME_HOTPLUG_POLL_PERIOD_MAX);
- + ]
6234 [ - + - + : 301 : ctx->enabled = enabled;
- + ]
6235 [ - + - + ]: 301 : ctx->fn = cb;
6236 [ - + - + ]: 301 : ctx->fn_ctx = cb_ctx;
6237 : :
6238 : 301 : spdk_thread_send_msg(g_bdev_nvme_init_thread, set_nvme_hotplug_period_cb, ctx);
6239 : 301 : return 0;
6240 : 26 : }
6241 : :
6242 : : static void
6243 : 1627 : nvme_ctrlr_populate_namespaces_done(struct nvme_ctrlr *nvme_ctrlr,
6244 : : struct nvme_async_probe_ctx *ctx)
6245 : : {
6246 : : struct nvme_ns *nvme_ns;
6247 : : struct nvme_bdev *nvme_bdev;
6248 : : size_t j;
6249 : :
6250 [ + + # # ]: 1627 : assert(nvme_ctrlr != NULL);
6251 : :
6252 [ + + + - : 1627 : if (ctx->names == NULL) {
+ - ]
6253 [ # # # # ]: 37 : ctx->reported_bdevs = 0;
6254 : 37 : populate_namespaces_cb(ctx, 0);
6255 : 37 : return;
6256 : : }
6257 : :
6258 : : /*
6259 : : * Report the new bdevs that were created in this call.
6260 : : * There can be more than one bdev per NVMe controller.
6261 : : */
6262 : 1590 : j = 0;
6263 : 1590 : nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
6264 [ + + ]: 2991 : while (nvme_ns != NULL) {
6265 [ + - + - ]: 1401 : nvme_bdev = nvme_ns->bdev;
6266 [ + - + - : 1401 : if (j < ctx->max_bdevs) {
+ - ]
6267 [ + - + - : 1401 : ctx->names[j] = nvme_bdev->disk.name;
+ - + - +
- + - +
- ]
6268 : 1401 : j++;
6269 : 1 : } else {
6270 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6271 : : "Maximum number of namespaces supported per NVMe controller is %du. "
6272 : : "Unable to return all names of created bdevs\n",
6273 : : ctx->max_bdevs);
6274 [ # # # # ]: 0 : ctx->reported_bdevs = 0;
6275 : 0 : populate_namespaces_cb(ctx, -ERANGE);
6276 : 0 : return;
6277 : : }
6278 : :
6279 : 1401 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns);
6280 : : }
6281 : :
6282 [ + - + - ]: 1590 : ctx->reported_bdevs = j;
6283 : 1590 : populate_namespaces_cb(ctx, 0);
6284 : 1 : }
6285 : :
6286 : : static int
6287 : 43 : bdev_nvme_check_secondary_trid(struct nvme_ctrlr *nvme_ctrlr,
6288 : : struct spdk_nvme_ctrlr *new_ctrlr,
6289 : : struct spdk_nvme_transport_id *trid)
6290 : : {
6291 : : struct nvme_path_id *tmp_trid;
6292 : :
6293 [ - + # # : 43 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # ]
6294 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "PCIe failover is not supported.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
6295 : 0 : return -ENOTSUP;
6296 : : }
6297 : :
6298 : : /* Currently we only support failover to the same transport type. */
6299 [ - + # # : 43 : if (nvme_ctrlr->active_path_id->trid.trtype != trid->trtype) {
# # # # #
# # # # #
# # ]
6300 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6301 : : "Failover from trtype: %s to a different trtype: %s is not supported currently\n",
6302 : : spdk_nvme_transport_id_trtype_str(nvme_ctrlr->active_path_id->trid.trtype),
6303 : : spdk_nvme_transport_id_trtype_str(trid->trtype));
6304 : 0 : return -EINVAL;
6305 : : }
6306 : :
6307 : :
6308 : : /* Currently we only support failover to the same NQN. */
6309 [ - + - + : 43 : if (strncmp(trid->subnqn, nvme_ctrlr->active_path_id->trid.subnqn, SPDK_NVMF_NQN_MAX_LEN)) {
- + # # #
# # # # #
# # ]
6310 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
6311 : : "Failover from subnqn: %s to a different subnqn: %s is not supported currently\n",
6312 : : nvme_ctrlr->active_path_id->trid.subnqn, trid->subnqn);
6313 : 0 : return -EINVAL;
6314 : : }
6315 : :
6316 : : /* Skip all the other checks if we've already registered this path. */
6317 [ + + # # : 103 : TAILQ_FOREACH(tmp_trid, &nvme_ctrlr->trids, link) {
# # # # #
# # # #
# ]
6318 [ - + # # ]: 60 : if (!spdk_nvme_transport_id_compare(&tmp_trid->trid, trid)) {
6319 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "This path (traddr: %s subnqn: %s) is already registered\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6320 : : trid->traddr, trid->subnqn);
6321 : 0 : return -EALREADY;
6322 : : }
6323 : 0 : }
6324 : :
6325 : 43 : return 0;
6326 : 0 : }
6327 : :
6328 : : static int
6329 : 43 : bdev_nvme_check_secondary_namespace(struct nvme_ctrlr *nvme_ctrlr,
6330 : : struct spdk_nvme_ctrlr *new_ctrlr)
6331 : : {
6332 : : struct nvme_ns *nvme_ns;
6333 : : struct spdk_nvme_ns *new_ns;
6334 : :
6335 : 43 : nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
6336 [ + + ]: 59 : while (nvme_ns != NULL) {
6337 [ # # # # ]: 16 : new_ns = spdk_nvme_ctrlr_get_ns(new_ctrlr, nvme_ns->id);
6338 [ - + # # ]: 16 : assert(new_ns != NULL);
6339 : :
6340 [ - + # # : 16 : if (!bdev_nvme_compare_ns(nvme_ns->ns, new_ns)) {
# # ]
6341 : 0 : return -EINVAL;
6342 : : }
6343 : :
6344 : 16 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns);
6345 : : }
6346 : :
6347 : 43 : return 0;
6348 : 0 : }
6349 : :
6350 : : static int
6351 : 43 : _bdev_nvme_add_secondary_trid(struct nvme_ctrlr *nvme_ctrlr,
6352 : : struct spdk_nvme_transport_id *trid)
6353 : : {
6354 : : struct nvme_path_id *active_id, *new_trid, *tmp_trid;
6355 : :
6356 : 43 : new_trid = calloc(1, sizeof(*new_trid));
6357 [ - + ]: 43 : if (new_trid == NULL) {
6358 : 0 : return -ENOMEM;
6359 : : }
6360 [ # # ]: 43 : new_trid->trid = *trid;
6361 : :
6362 [ # # # # ]: 43 : active_id = nvme_ctrlr->active_path_id;
6363 [ - + # # ]: 43 : assert(active_id != NULL);
6364 [ - + # # : 43 : assert(active_id == TAILQ_FIRST(&nvme_ctrlr->trids));
# # # # #
# ]
6365 : :
6366 : : /* Skip the active trid not to replace it until it is failed. */
6367 [ # # # # : 43 : tmp_trid = TAILQ_NEXT(active_id, link);
# # ]
6368 [ + + ]: 43 : if (tmp_trid == NULL) {
6369 : 26 : goto add_tail;
6370 : : }
6371 : :
6372 : : /* It means the trid is faled if its last failed time is non-zero.
6373 : : * Insert the new alternate trid before any failed trid.
6374 : : */
6375 [ - + + + : 27 : TAILQ_FOREACH_FROM(tmp_trid, &nvme_ctrlr->trids, link) {
# # # # #
# # # # #
# # ]
6376 [ + + # # : 17 : if (tmp_trid->last_failed_tsc != 0) {
# # ]
6377 [ # # # # : 7 : TAILQ_INSERT_BEFORE(tmp_trid, new_trid, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6378 : 7 : return 0;
6379 : : }
6380 : 0 : }
6381 : :
6382 : 10 : add_tail:
6383 [ # # # # : 36 : TAILQ_INSERT_TAIL(&nvme_ctrlr->trids, new_trid, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6384 : 36 : return 0;
6385 : 0 : }
6386 : :
6387 : : /* This is the case that a secondary path is added to an existing
6388 : : * nvme_ctrlr for failover. After checking if it can access the same
6389 : : * namespaces as the primary path, it is disconnected until failover occurs.
6390 : : */
6391 : : static int
6392 : 43 : bdev_nvme_add_secondary_trid(struct nvme_ctrlr *nvme_ctrlr,
6393 : : struct spdk_nvme_ctrlr *new_ctrlr,
6394 : : struct spdk_nvme_transport_id *trid)
6395 : : {
6396 : : int rc;
6397 : :
6398 [ - + # # ]: 43 : assert(nvme_ctrlr != NULL);
6399 : :
6400 [ - + # # ]: 43 : pthread_mutex_lock(&nvme_ctrlr->mutex);
6401 : :
6402 : 43 : rc = bdev_nvme_check_secondary_trid(nvme_ctrlr, new_ctrlr, trid);
6403 [ - + ]: 43 : if (rc != 0) {
6404 : 0 : goto exit;
6405 : : }
6406 : :
6407 : 43 : rc = bdev_nvme_check_secondary_namespace(nvme_ctrlr, new_ctrlr);
6408 [ - + ]: 43 : if (rc != 0) {
6409 : 0 : goto exit;
6410 : : }
6411 : :
6412 : 43 : rc = _bdev_nvme_add_secondary_trid(nvme_ctrlr, trid);
6413 : :
6414 : 43 : exit:
6415 [ - + # # ]: 43 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6416 : :
6417 : 43 : spdk_nvme_detach(new_ctrlr);
6418 : :
6419 : 43 : return rc;
6420 : : }
6421 : :
6422 : : static void
6423 : 1630 : connect_attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
6424 : : struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
6425 : : {
6426 : 1630 : struct spdk_nvme_ctrlr_opts *user_opts = cb_ctx;
6427 : : struct nvme_async_probe_ctx *ctx;
6428 : : int rc;
6429 : :
6430 : 1630 : ctx = SPDK_CONTAINEROF(user_opts, struct nvme_async_probe_ctx, drv_opts);
6431 [ + - + - ]: 1630 : ctx->ctrlr_attached = true;
6432 : :
6433 [ + - + - : 1630 : rc = nvme_ctrlr_create(ctrlr, ctx->base_name, &ctx->trid, ctx);
+ - ]
6434 [ + + ]: 1630 : if (rc != 0) {
6435 [ # # # # ]: 3 : ctx->reported_bdevs = 0;
6436 : 3 : populate_namespaces_cb(ctx, rc);
6437 : 0 : }
6438 : 1630 : }
6439 : :
6440 : :
6441 : : static void
6442 : 28 : connect_set_failover_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
6443 : : struct spdk_nvme_ctrlr *ctrlr,
6444 : : const struct spdk_nvme_ctrlr_opts *opts)
6445 : : {
6446 : 28 : struct spdk_nvme_ctrlr_opts *user_opts = cb_ctx;
6447 : : struct nvme_ctrlr *nvme_ctrlr;
6448 : : struct nvme_async_probe_ctx *ctx;
6449 : : int rc;
6450 : :
6451 : 28 : ctx = SPDK_CONTAINEROF(user_opts, struct nvme_async_probe_ctx, drv_opts);
6452 [ # # # # ]: 28 : ctx->ctrlr_attached = true;
6453 : :
6454 [ # # # # ]: 28 : nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->base_name);
6455 [ + - ]: 28 : if (nvme_ctrlr) {
6456 [ # # ]: 28 : rc = bdev_nvme_add_secondary_trid(nvme_ctrlr, ctrlr, &ctx->trid);
6457 : 0 : } else {
6458 : 0 : rc = -ENODEV;
6459 : : }
6460 : :
6461 [ # # # # ]: 28 : ctx->reported_bdevs = 0;
6462 : 28 : populate_namespaces_cb(ctx, rc);
6463 : 28 : }
6464 : :
6465 : : static int
6466 : 277848 : bdev_nvme_async_poll(void *arg)
6467 : : {
6468 : 277848 : struct nvme_async_probe_ctx *ctx = arg;
6469 : : int rc;
6470 : :
6471 [ + - + - ]: 277848 : rc = spdk_nvme_probe_poll_async(ctx->probe_ctx);
6472 [ + + ]: 277848 : if (spdk_unlikely(rc != -EAGAIN)) {
6473 [ + - + - ]: 1716 : ctx->probe_done = true;
6474 [ + - ]: 1716 : spdk_poller_unregister(&ctx->poller);
6475 [ + + + + : 1716 : if (!ctx->ctrlr_attached) {
+ - + - ]
6476 : : /* The probe is done, but no controller was attached.
6477 : : * That means we had a failure, so report -EIO back to
6478 : : * the caller (usually the RPC). populate_namespaces_cb()
6479 : : * will take care of freeing the nvme_async_probe_ctx.
6480 : : */
6481 [ # # # # ]: 58 : ctx->reported_bdevs = 0;
6482 : 58 : populate_namespaces_cb(ctx, -EIO);
6483 [ + + + + : 1658 : } else if (ctx->namespaces_populated) {
+ - - + ]
6484 : : /* The namespaces for the attached controller were all
6485 : : * populated and the response was already sent to the
6486 : : * caller (usually the RPC). So free the context here.
6487 : : */
6488 : 1234 : free_nvme_async_probe_ctx(ctx);
6489 : 1 : }
6490 : 1 : }
6491 : :
6492 : 277848 : return SPDK_POLLER_BUSY;
6493 : : }
6494 : :
6495 : : static bool
6496 : 2804 : bdev_nvme_check_io_error_resiliency_params(int32_t ctrlr_loss_timeout_sec,
6497 : : uint32_t reconnect_delay_sec,
6498 : : uint32_t fast_io_fail_timeout_sec)
6499 : : {
6500 [ + + ]: 2804 : if (ctrlr_loss_timeout_sec < -1) {
6501 : 3 : SPDK_ERRLOG("ctrlr_loss_timeout_sec can't be less than -1.\n");
6502 : 3 : return false;
6503 [ + + ]: 2801 : } else if (ctrlr_loss_timeout_sec == -1) {
6504 [ + + ]: 54 : if (reconnect_delay_sec == 0) {
6505 : 3 : SPDK_ERRLOG("reconnect_delay_sec can't be 0 if ctrlr_loss_timeout_sec is not 0.\n");
6506 : 3 : return false;
6507 [ + + + + ]: 51 : } else if (fast_io_fail_timeout_sec != 0 &&
6508 : 0 : fast_io_fail_timeout_sec < reconnect_delay_sec) {
6509 : 3 : SPDK_ERRLOG("reconnect_delay_sec can't be more than fast_io-fail_timeout_sec.\n");
6510 : 3 : return false;
6511 : : }
6512 [ + + ]: 2747 : } else if (ctrlr_loss_timeout_sec != 0) {
6513 [ + + ]: 61 : if (reconnect_delay_sec == 0) {
6514 : 3 : SPDK_ERRLOG("reconnect_delay_sec can't be 0 if ctrlr_loss_timeout_sec is not 0.\n");
6515 : 3 : return false;
6516 [ + + ]: 58 : } else if (reconnect_delay_sec > (uint32_t)ctrlr_loss_timeout_sec) {
6517 : 3 : SPDK_ERRLOG("reconnect_delay_sec can't be more than ctrlr_loss_timeout_sec.\n");
6518 : 3 : return false;
6519 [ + + ]: 55 : } else if (fast_io_fail_timeout_sec != 0) {
6520 [ + + ]: 26 : if (fast_io_fail_timeout_sec < reconnect_delay_sec) {
6521 : 3 : SPDK_ERRLOG("reconnect_delay_sec can't be more than fast_io_fail_timeout_sec.\n");
6522 : 3 : return false;
6523 [ + + ]: 23 : } else if (fast_io_fail_timeout_sec > (uint32_t)ctrlr_loss_timeout_sec) {
6524 : 3 : SPDK_ERRLOG("fast_io_fail_timeout_sec can't be more than ctrlr_loss_timeout_sec.\n");
6525 : 3 : return false;
6526 : : }
6527 : 0 : }
6528 [ + + + + ]: 2686 : } else if (reconnect_delay_sec != 0 || fast_io_fail_timeout_sec != 0) {
6529 : 6 : SPDK_ERRLOG("Both reconnect_delay_sec and fast_io_fail_timeout_sec must be 0 if ctrlr_loss_timeout_sec is 0.\n");
6530 : 6 : return false;
6531 : : }
6532 : :
6533 : 2777 : return true;
6534 : 28 : }
6535 : :
6536 : : int
6537 : 1725 : spdk_bdev_nvme_create(struct spdk_nvme_transport_id *trid,
6538 : : const char *base_name,
6539 : : const char **names,
6540 : : uint32_t count,
6541 : : spdk_bdev_nvme_create_cb cb_fn,
6542 : : void *cb_ctx,
6543 : : struct spdk_nvme_ctrlr_opts *drv_opts,
6544 : : struct spdk_bdev_nvme_ctrlr_opts *bdev_opts)
6545 : : {
6546 : : struct nvme_probe_skip_entry *entry, *tmp;
6547 : : struct nvme_async_probe_ctx *ctx;
6548 : : spdk_nvme_attach_cb attach_cb;
6549 : : struct nvme_ctrlr *nvme_ctrlr;
6550 : : int len;
6551 : :
6552 : : /* TODO expand this check to include both the host and target TRIDs.
6553 : : * Only if both are the same should we fail.
6554 : : */
6555 [ + + - + ]: 1725 : if (nvme_ctrlr_get(trid, drv_opts->hostnqn) != NULL) {
6556 [ # # # # ]: 0 : SPDK_ERRLOG("A controller with the provided trid (traddr: %s, hostnqn: %s) "
6557 : : "already exists.\n", trid->traddr, drv_opts->hostnqn);
6558 : 0 : return -EEXIST;
6559 : : }
6560 : :
6561 [ + + ]: 1725 : len = strnlen(base_name, SPDK_CONTROLLER_NAME_MAX);
6562 : :
6563 [ + - - + ]: 1725 : if (len == 0 || len == SPDK_CONTROLLER_NAME_MAX) {
6564 : 0 : SPDK_ERRLOG("controller name must be between 1 and %d characters\n", SPDK_CONTROLLER_NAME_MAX - 1);
6565 : 0 : return -EINVAL;
6566 : : }
6567 : :
6568 [ + - + - ]: 1726 : if (bdev_opts != NULL &&
6569 [ + + + - ]: 1726 : !bdev_nvme_check_io_error_resiliency_params(bdev_opts->ctrlr_loss_timeout_sec,
6570 [ + - + - ]: 1 : bdev_opts->reconnect_delay_sec,
6571 [ + - + - ]: 1 : bdev_opts->fast_io_fail_timeout_sec)) {
6572 : 0 : return -EINVAL;
6573 : : }
6574 : :
6575 : 1725 : ctx = calloc(1, sizeof(*ctx));
6576 [ + + ]: 1725 : if (!ctx) {
6577 : 0 : return -ENOMEM;
6578 : : }
6579 [ + - + - ]: 1725 : ctx->base_name = base_name;
6580 [ + - + - ]: 1725 : ctx->names = names;
6581 [ + - + - ]: 1725 : ctx->max_bdevs = count;
6582 [ + - + - ]: 1725 : ctx->cb_fn = cb_fn;
6583 [ + - + - ]: 1725 : ctx->cb_ctx = cb_ctx;
6584 [ + - ]: 1725 : ctx->trid = *trid;
6585 : :
6586 [ + + ]: 1725 : if (bdev_opts) {
6587 [ + + + + : 1725 : memcpy(&ctx->bdev_opts, bdev_opts, sizeof(*bdev_opts));
+ - ]
6588 : 1 : } else {
6589 [ # # ]: 0 : spdk_bdev_nvme_get_default_ctrlr_opts(&ctx->bdev_opts);
6590 : : }
6591 : :
6592 [ + + + - : 1725 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
- + ]
6593 [ + + # # : 512 : TAILQ_FOREACH_SAFE(entry, &g_skipped_nvme_ctrlrs, tailq, tmp) {
# # # # +
- ]
6594 [ + - # # ]: 2 : if (spdk_nvme_transport_id_compare(trid, &entry->trid) == 0) {
6595 [ - + # # : 2 : TAILQ_REMOVE(&g_skipped_nvme_ctrlrs, entry, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
6596 : 2 : free(entry);
6597 : 2 : break;
6598 : : }
6599 : 0 : }
6600 : 1 : }
6601 : :
6602 [ + + + + : 1725 : memcpy(&ctx->drv_opts, drv_opts, sizeof(*drv_opts));
+ - ]
6603 [ + - + - : 1725 : ctx->drv_opts.transport_retry_count = g_opts.transport_retry_count;
+ - + - ]
6604 [ + - + - : 1725 : ctx->drv_opts.transport_ack_timeout = g_opts.transport_ack_timeout;
+ - + - ]
6605 [ + - + - : 1725 : ctx->drv_opts.keep_alive_timeout_ms = g_opts.keep_alive_timeout_ms;
+ - + - ]
6606 [ + - + - : 1725 : ctx->drv_opts.disable_read_ana_log_page = true;
+ - ]
6607 [ + - + - : 1725 : ctx->drv_opts.transport_tos = g_opts.transport_tos;
+ - + - ]
6608 : :
6609 [ + + ]: 1725 : if (spdk_interrupt_mode_is_enabled()) {
6610 [ # # # # : 0 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # ]
6611 [ # # # # : 0 : ctx->drv_opts.enable_interrupts = true;
# # ]
6612 : 0 : } else {
6613 : 0 : SPDK_ERRLOG("Interrupt mode is only supported with PCIe transport\n");
6614 : 0 : free_nvme_async_probe_ctx(ctx);
6615 : 0 : return -ENOTSUP;
6616 : : }
6617 : 0 : }
6618 : :
6619 [ + + + - : 1725 : if (ctx->bdev_opts.psk != NULL) {
+ - + - ]
6620 [ # # # # : 66 : ctx->drv_opts.tls_psk = spdk_keyring_get_key(ctx->bdev_opts.psk);
# # # # #
# # # ]
6621 [ + + # # : 66 : if (ctx->drv_opts.tls_psk == NULL) {
# # # # ]
6622 [ # # # # : 6 : SPDK_ERRLOG("Could not load PSK: %s\n", ctx->bdev_opts.psk);
# # ]
6623 : 6 : free_nvme_async_probe_ctx(ctx);
6624 : 6 : return -ENOKEY;
6625 : : }
6626 : 0 : }
6627 : :
6628 [ + + + - : 1719 : if (ctx->bdev_opts.dhchap_key != NULL) {
+ - + - ]
6629 [ # # # # : 664 : ctx->drv_opts.dhchap_key = spdk_keyring_get_key(ctx->bdev_opts.dhchap_key);
# # # # #
# # # ]
6630 [ - + # # : 664 : if (ctx->drv_opts.dhchap_key == NULL) {
# # # # ]
6631 [ # # # # : 0 : SPDK_ERRLOG("Could not load DH-HMAC-CHAP key: %s\n",
# # ]
6632 : : ctx->bdev_opts.dhchap_key);
6633 : 0 : free_nvme_async_probe_ctx(ctx);
6634 : 0 : return -ENOKEY;
6635 : : }
6636 : :
6637 [ # # # # : 664 : ctx->drv_opts.dhchap_digests = g_opts.dhchap_digests;
# # # # ]
6638 [ # # # # : 664 : ctx->drv_opts.dhchap_dhgroups = g_opts.dhchap_dhgroups;
# # # # ]
6639 : 0 : }
6640 [ + + + - : 1719 : if (ctx->bdev_opts.dhchap_ctrlr_key != NULL) {
+ - + - ]
6641 [ # # # # : 500 : ctx->drv_opts.dhchap_ctrlr_key =
# # ]
6642 [ # # # # : 500 : spdk_keyring_get_key(ctx->bdev_opts.dhchap_ctrlr_key);
# # ]
6643 [ - + # # : 500 : if (ctx->drv_opts.dhchap_ctrlr_key == NULL) {
# # # # ]
6644 [ # # # # : 0 : SPDK_ERRLOG("Could not load DH-HMAC-CHAP controller key: %s\n",
# # ]
6645 : : ctx->bdev_opts.dhchap_ctrlr_key);
6646 : 0 : free_nvme_async_probe_ctx(ctx);
6647 : 0 : return -ENOKEY;
6648 : : }
6649 : 0 : }
6650 : :
6651 [ + + + + : 1719 : if (nvme_bdev_ctrlr_get_by_name(base_name) == NULL || ctx->bdev_opts.multipath) {
+ + # # #
# # # ]
6652 : 1691 : attach_cb = connect_attach_cb;
6653 : 1 : } else {
6654 : 28 : attach_cb = connect_set_failover_cb;
6655 : : }
6656 : :
6657 [ + - + - ]: 1719 : nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->base_name);
6658 [ + + - + : 1719 : if (nvme_ctrlr && nvme_ctrlr->opts.multipath != ctx->bdev_opts.multipath) {
- + - + #
# # # # #
# # # # #
# ]
6659 : : /* All controllers with the same name must be configured the same
6660 : : * way, either for multipath or failover. If the configuration doesn't
6661 : : * match - report error.
6662 : : */
6663 : 0 : free_nvme_async_probe_ctx(ctx);
6664 : 0 : return -EINVAL;
6665 : : }
6666 : :
6667 [ + - + - : 1719 : ctx->probe_ctx = spdk_nvme_connect_async(trid, &ctx->drv_opts, attach_cb);
+ - ]
6668 [ + + + - : 1719 : if (ctx->probe_ctx == NULL) {
+ - ]
6669 [ # # ]: 3 : SPDK_ERRLOG("No controller was found with provided trid (traddr: %s)\n", trid->traddr);
6670 : 3 : free_nvme_async_probe_ctx(ctx);
6671 : 3 : return -ENODEV;
6672 : : }
6673 [ + - + - ]: 1716 : ctx->poller = SPDK_POLLER_REGISTER(bdev_nvme_async_poll, ctx, 1000);
6674 : :
6675 : 1716 : return 0;
6676 : 1 : }
6677 : :
6678 : : struct bdev_nvme_delete_ctx {
6679 : : char *name;
6680 : : struct nvme_path_id path_id;
6681 : : bdev_nvme_delete_done_fn delete_done;
6682 : : void *delete_done_ctx;
6683 : : uint64_t timeout_ticks;
6684 : : struct spdk_poller *poller;
6685 : : };
6686 : :
6687 : : static void
6688 : 712 : free_bdev_nvme_delete_ctx(struct bdev_nvme_delete_ctx *ctx)
6689 : : {
6690 [ + + ]: 712 : if (ctx != NULL) {
6691 [ # # # # ]: 709 : free(ctx->name);
6692 : 709 : free(ctx);
6693 : 0 : }
6694 : 712 : }
6695 : :
6696 : : static bool
6697 : 40015 : nvme_path_id_compare(struct nvme_path_id *p, const struct nvme_path_id *path_id)
6698 : : {
6699 [ + + # # : 40015 : if (path_id->trid.trtype != 0) {
# # # # ]
6700 [ - + # # : 205 : if (path_id->trid.trtype == SPDK_NVME_TRANSPORT_CUSTOM) {
# # # # ]
6701 [ # # # # : 0 : if (strcasecmp(path_id->trid.trstring, p->trid.trstring) != 0) {
# # # # #
# # # #
# ]
6702 : 0 : return false;
6703 : : }
6704 : 0 : } else {
6705 [ - + # # : 205 : if (path_id->trid.trtype != p->trid.trtype) {
# # # # #
# # # #
# ]
6706 : 0 : return false;
6707 : : }
6708 : : }
6709 : 0 : }
6710 : :
6711 [ + + # # : 40015 : if (!spdk_mem_all_zero(path_id->trid.traddr, sizeof(path_id->trid.traddr))) {
# # ]
6712 [ + + - + : 205 : if (strcasecmp(path_id->trid.traddr, p->trid.traddr) != 0) {
+ + # # #
# # # #
# ]
6713 : 33 : return false;
6714 : : }
6715 : 0 : }
6716 : :
6717 [ + + # # : 39982 : if (path_id->trid.adrfam != 0) {
# # # # ]
6718 [ - + # # : 142 : if (path_id->trid.adrfam != p->trid.adrfam) {
# # # # #
# # # #
# ]
6719 : 0 : return false;
6720 : : }
6721 : 0 : }
6722 : :
6723 [ + + # # : 39982 : if (!spdk_mem_all_zero(path_id->trid.trsvcid, sizeof(path_id->trid.trsvcid))) {
# # ]
6724 [ - + - + : 172 : if (strcasecmp(path_id->trid.trsvcid, p->trid.trsvcid) != 0) {
+ + # # #
# # # #
# ]
6725 : 49 : return false;
6726 : : }
6727 : 0 : }
6728 : :
6729 [ + + # # : 39933 : if (!spdk_mem_all_zero(path_id->trid.subnqn, sizeof(path_id->trid.subnqn))) {
# # ]
6730 [ - + - + : 123 : if (strcmp(path_id->trid.subnqn, p->trid.subnqn) != 0) {
- + # # #
# # # #
# ]
6731 : 0 : return false;
6732 : : }
6733 : 0 : }
6734 : :
6735 [ - + # # : 39933 : if (!spdk_mem_all_zero(path_id->hostid.hostaddr, sizeof(path_id->hostid.hostaddr))) {
# # ]
6736 [ # # # # : 0 : if (strcmp(path_id->hostid.hostaddr, p->hostid.hostaddr) != 0) {
# # # # #
# # # #
# ]
6737 : 0 : return false;
6738 : : }
6739 : 0 : }
6740 : :
6741 [ - + # # : 39933 : if (!spdk_mem_all_zero(path_id->hostid.hostsvcid, sizeof(path_id->hostid.hostsvcid))) {
# # ]
6742 [ # # # # : 0 : if (strcmp(path_id->hostid.hostsvcid, p->hostid.hostsvcid) != 0) {
# # # # #
# # # #
# ]
6743 : 0 : return false;
6744 : : }
6745 : 0 : }
6746 : :
6747 : 39933 : return true;
6748 : 0 : }
6749 : :
6750 : : static bool
6751 : 39710 : nvme_path_id_exists(const char *name, const struct nvme_path_id *path_id)
6752 : : {
6753 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
6754 : : struct nvme_ctrlr *ctrlr;
6755 : : struct nvme_path_id *p;
6756 : :
6757 [ - + ]: 39710 : pthread_mutex_lock(&g_bdev_nvme_mutex);
6758 : 39710 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
6759 [ + + ]: 39710 : if (!nbdev_ctrlr) {
6760 [ - + ]: 699 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6761 : 699 : return false;
6762 : : }
6763 : :
6764 [ + + # # : 39037 : TAILQ_FOREACH(ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
6765 [ - + # # ]: 39027 : pthread_mutex_lock(&ctrlr->mutex);
6766 [ + + # # : 39057 : TAILQ_FOREACH(p, &ctrlr->trids, link) {
# # # # #
# # # #
# ]
6767 [ + + ]: 39031 : if (nvme_path_id_compare(p, path_id)) {
6768 [ - + # # ]: 39001 : pthread_mutex_unlock(&ctrlr->mutex);
6769 [ - + ]: 39001 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6770 : 39001 : return true;
6771 : : }
6772 : 0 : }
6773 [ - + # # ]: 26 : pthread_mutex_unlock(&ctrlr->mutex);
6774 : 0 : }
6775 [ - + ]: 10 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6776 : :
6777 : 10 : return false;
6778 : 0 : }
6779 : :
6780 : : static int
6781 : 39710 : bdev_nvme_delete_complete_poll(void *arg)
6782 : : {
6783 : 39710 : struct bdev_nvme_delete_ctx *ctx = arg;
6784 : 39710 : int rc = 0;
6785 : :
6786 [ + + # # : 39710 : if (nvme_path_id_exists(ctx->name, &ctx->path_id)) {
# # # # ]
6787 [ + - # # : 39001 : if (ctx->timeout_ticks > spdk_get_ticks()) {
# # ]
6788 : 39001 : return SPDK_POLLER_BUSY;
6789 : : }
6790 : :
6791 [ # # # # ]: 0 : SPDK_ERRLOG("NVMe path '%s' still exists after delete\n", ctx->name);
6792 : 0 : rc = -ETIMEDOUT;
6793 : 0 : }
6794 : :
6795 [ # # ]: 709 : spdk_poller_unregister(&ctx->poller);
6796 : :
6797 [ # # # # : 709 : ctx->delete_done(ctx->delete_done_ctx, rc);
# # # # #
# # # ]
6798 : 709 : free_bdev_nvme_delete_ctx(ctx);
6799 : :
6800 : 709 : return SPDK_POLLER_BUSY;
6801 : 0 : }
6802 : :
6803 : : static int
6804 : 942 : _bdev_nvme_delete(struct nvme_ctrlr *nvme_ctrlr, const struct nvme_path_id *path_id)
6805 : : {
6806 : : struct nvme_path_id *p, *t;
6807 : : spdk_msg_fn msg_fn;
6808 : 942 : int rc = -ENXIO;
6809 : :
6810 [ - + # # ]: 942 : pthread_mutex_lock(&nvme_ctrlr->mutex);
6811 : :
6812 [ + - # # : 984 : TAILQ_FOREACH_REVERSE_SAFE(p, &nvme_ctrlr->trids, nvme_paths, link, t) {
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
6813 [ + + # # : 984 : if (p == TAILQ_FIRST(&nvme_ctrlr->trids)) {
# # # # ]
6814 : 942 : break;
6815 : : }
6816 : :
6817 [ + + ]: 42 : if (!nvme_path_id_compare(p, path_id)) {
6818 : 17 : continue;
6819 : : }
6820 : :
6821 : : /* We are not using the specified path. */
6822 [ + + # # : 25 : TAILQ_REMOVE(&nvme_ctrlr->trids, p, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
6823 : 25 : free(p);
6824 : 25 : rc = 0;
6825 : 0 : }
6826 : :
6827 [ + - + + ]: 942 : if (p == NULL || !nvme_path_id_compare(p, path_id)) {
6828 [ - + # # ]: 35 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6829 : 35 : return rc;
6830 : : }
6831 : :
6832 : : /* If we made it here, then this path is a match! Now we need to remove it. */
6833 : :
6834 : : /* This is the active path in use right now. The active path is always the first in the list. */
6835 [ - + # # : 907 : assert(p == nvme_ctrlr->active_path_id);
# # # # ]
6836 : :
6837 [ + + # # : 907 : if (!TAILQ_NEXT(p, link)) {
# # # # ]
6838 : : /* The current path is the only path. */
6839 : 900 : msg_fn = _nvme_ctrlr_destruct;
6840 : 900 : rc = bdev_nvme_delete_ctrlr_unsafe(nvme_ctrlr, false);
6841 : 0 : } else {
6842 : : /* There is an alternative path. */
6843 : 7 : msg_fn = _bdev_nvme_reset_ctrlr;
6844 : 7 : rc = bdev_nvme_failover_ctrlr_unsafe(nvme_ctrlr, true);
6845 : : }
6846 : :
6847 [ - + # # ]: 907 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6848 : :
6849 [ + - ]: 907 : if (rc == 0) {
6850 [ # # # # ]: 907 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
6851 [ # # ]: 0 : } else if (rc == -EALREADY) {
6852 : 0 : rc = 0;
6853 : 0 : }
6854 : :
6855 : 907 : return rc;
6856 : 0 : }
6857 : :
6858 : : int
6859 : 890 : bdev_nvme_delete(const char *name, const struct nvme_path_id *path_id,
6860 : : bdev_nvme_delete_done_fn delete_done, void *delete_done_ctx)
6861 : : {
6862 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
6863 : : struct nvme_ctrlr *nvme_ctrlr, *tmp_nvme_ctrlr;
6864 : 890 : struct bdev_nvme_delete_ctx *ctx = NULL;
6865 : 890 : int rc = -ENXIO, _rc;
6866 : :
6867 [ + - - + ]: 890 : if (name == NULL || path_id == NULL) {
6868 : 0 : rc = -EINVAL;
6869 : 0 : goto exit;
6870 : : }
6871 : :
6872 [ - + ]: 890 : pthread_mutex_lock(&g_bdev_nvme_mutex);
6873 : :
6874 : 890 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
6875 [ - + ]: 890 : if (nbdev_ctrlr == NULL) {
6876 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6877 : :
6878 : 0 : SPDK_ERRLOG("Failed to find NVMe bdev controller\n");
6879 : 0 : rc = -ENODEV;
6880 : 0 : goto exit;
6881 : : }
6882 : :
6883 [ + + # # : 1832 : TAILQ_FOREACH_SAFE(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq, tmp_nvme_ctrlr) {
# # # # #
# # # # #
# # ]
6884 : 942 : _rc = _bdev_nvme_delete(nvme_ctrlr, path_id);
6885 [ + + - + ]: 942 : if (_rc < 0 && _rc != -ENXIO) {
6886 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6887 : 0 : rc = _rc;
6888 : 0 : goto exit;
6889 [ + + ]: 942 : } else if (_rc == 0) {
6890 : : /* We traverse all remaining nvme_ctrlrs even if one nvme_ctrlr
6891 : : * was deleted successfully. To remember the successful deletion,
6892 : : * overwrite rc only if _rc is zero.
6893 : : */
6894 : 917 : rc = 0;
6895 : 0 : }
6896 : 0 : }
6897 : :
6898 [ - + ]: 890 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6899 : :
6900 [ + + + + ]: 890 : if (rc != 0 || delete_done == NULL) {
6901 : 181 : goto exit;
6902 : : }
6903 : :
6904 : 709 : ctx = calloc(1, sizeof(*ctx));
6905 [ - + ]: 709 : if (ctx == NULL) {
6906 : 0 : SPDK_ERRLOG("Failed to allocate context for bdev_nvme_delete\n");
6907 : 0 : rc = -ENOMEM;
6908 : 0 : goto exit;
6909 : : }
6910 : :
6911 [ - + # # : 709 : ctx->name = strdup(name);
# # ]
6912 [ - + # # : 709 : if (ctx->name == NULL) {
# # ]
6913 : 0 : SPDK_ERRLOG("Failed to copy controller name for deletion\n");
6914 : 0 : rc = -ENOMEM;
6915 : 0 : goto exit;
6916 : : }
6917 : :
6918 [ # # # # ]: 709 : ctx->delete_done = delete_done;
6919 [ # # # # ]: 709 : ctx->delete_done_ctx = delete_done_ctx;
6920 [ # # ]: 709 : ctx->path_id = *path_id;
6921 [ # # # # ]: 709 : ctx->timeout_ticks = spdk_get_ticks() + 10 * spdk_get_ticks_hz();
6922 [ # # # # ]: 709 : ctx->poller = SPDK_POLLER_REGISTER(bdev_nvme_delete_complete_poll, ctx, 1000);
6923 [ + - # # : 709 : if (ctx->poller == NULL) {
# # ]
6924 : 0 : SPDK_ERRLOG("Failed to register bdev_nvme_delete poller\n");
6925 : 0 : rc = -ENOMEM;
6926 : 0 : goto exit;
6927 : : }
6928 : :
6929 : 709 : exit:
6930 [ + + ]: 890 : if (rc != 0) {
6931 : 3 : free_bdev_nvme_delete_ctx(ctx);
6932 : 0 : }
6933 : :
6934 : 890 : return rc;
6935 : : }
6936 : :
6937 : : #define DISCOVERY_INFOLOG(ctx, format, ...) \
6938 : : SPDK_INFOLOG(bdev_nvme, "Discovery[%s:%s] " format, ctx->trid.traddr, ctx->trid.trsvcid, ##__VA_ARGS__);
6939 : :
6940 : : #define DISCOVERY_ERRLOG(ctx, format, ...) \
6941 : : SPDK_ERRLOG("Discovery[%s:%s] " format, ctx->trid.traddr, ctx->trid.trsvcid, ##__VA_ARGS__);
6942 : :
6943 : : struct discovery_entry_ctx {
6944 : : char name[128];
6945 : : struct spdk_nvme_transport_id trid;
6946 : : struct spdk_nvme_ctrlr_opts drv_opts;
6947 : : struct spdk_nvmf_discovery_log_page_entry entry;
6948 : : TAILQ_ENTRY(discovery_entry_ctx) tailq;
6949 : : struct discovery_ctx *ctx;
6950 : : };
6951 : :
6952 : : struct discovery_ctx {
6953 : : char *name;
6954 : : spdk_bdev_nvme_start_discovery_fn start_cb_fn;
6955 : : spdk_bdev_nvme_stop_discovery_fn stop_cb_fn;
6956 : : void *cb_ctx;
6957 : : struct spdk_nvme_probe_ctx *probe_ctx;
6958 : : struct spdk_nvme_detach_ctx *detach_ctx;
6959 : : struct spdk_nvme_ctrlr *ctrlr;
6960 : : struct spdk_nvme_transport_id trid;
6961 : : struct discovery_entry_ctx *entry_ctx_in_use;
6962 : : struct spdk_poller *poller;
6963 : : struct spdk_nvme_ctrlr_opts drv_opts;
6964 : : struct spdk_bdev_nvme_ctrlr_opts bdev_opts;
6965 : : struct spdk_nvmf_discovery_log_page *log_page;
6966 : : TAILQ_ENTRY(discovery_ctx) tailq;
6967 : : TAILQ_HEAD(, discovery_entry_ctx) nvm_entry_ctxs;
6968 : : TAILQ_HEAD(, discovery_entry_ctx) discovery_entry_ctxs;
6969 : : int rc;
6970 : : bool wait_for_attach;
6971 : : uint64_t timeout_ticks;
6972 : : /* Denotes that the discovery service is being started. We're waiting
6973 : : * for the initial connection to the discovery controller to be
6974 : : * established and attach discovered NVM ctrlrs.
6975 : : */
6976 : : bool initializing;
6977 : : /* Denotes if a discovery is currently in progress for this context.
6978 : : * That includes connecting to newly discovered subsystems. Used to
6979 : : * ensure we do not start a new discovery until an existing one is
6980 : : * complete.
6981 : : */
6982 : : bool in_progress;
6983 : :
6984 : : /* Denotes if another discovery is needed after the one in progress
6985 : : * completes. Set when we receive an AER completion while a discovery
6986 : : * is already in progress.
6987 : : */
6988 : : bool pending;
6989 : :
6990 : : /* Signal to the discovery context poller that it should stop the
6991 : : * discovery service, including detaching from the current discovery
6992 : : * controller.
6993 : : */
6994 : : bool stop;
6995 : :
6996 : : struct spdk_thread *calling_thread;
6997 : : uint32_t index;
6998 : : uint32_t attach_in_progress;
6999 : : char *hostnqn;
7000 : :
7001 : : /* Denotes if the discovery service was started by the mdns discovery.
7002 : : */
7003 : : bool from_mdns_discovery_service;
7004 : : };
7005 : :
7006 : : TAILQ_HEAD(discovery_ctxs, discovery_ctx);
7007 : : static struct discovery_ctxs g_discovery_ctxs = TAILQ_HEAD_INITIALIZER(g_discovery_ctxs);
7008 : :
7009 : : static void get_discovery_log_page(struct discovery_ctx *ctx);
7010 : :
7011 : : static void
7012 : 34 : free_discovery_ctx(struct discovery_ctx *ctx)
7013 : : {
7014 [ # # # # ]: 34 : free(ctx->log_page);
7015 [ # # # # ]: 34 : free(ctx->hostnqn);
7016 [ # # # # ]: 34 : free(ctx->name);
7017 : 34 : free(ctx);
7018 : 34 : }
7019 : :
7020 : : static void
7021 : 49 : discovery_complete(struct discovery_ctx *ctx)
7022 : : {
7023 [ # # # # ]: 49 : ctx->initializing = false;
7024 [ # # # # ]: 49 : ctx->in_progress = false;
7025 [ - + + + : 49 : if (ctx->pending) {
# # # # ]
7026 [ # # # # ]: 5 : ctx->pending = false;
7027 : 5 : get_discovery_log_page(ctx);
7028 : 0 : }
7029 : 49 : }
7030 : :
7031 : : static void
7032 : 161 : build_trid_from_log_page_entry(struct spdk_nvme_transport_id *trid,
7033 : : struct spdk_nvmf_discovery_log_page_entry *entry)
7034 : : {
7035 : : char *space;
7036 : :
7037 [ # # # # : 161 : trid->trtype = entry->trtype;
# # # # ]
7038 [ # # # # : 161 : trid->adrfam = entry->adrfam;
# # # # ]
7039 [ - + - + : 161 : memcpy(trid->traddr, entry->traddr, sizeof(entry->traddr));
# # # # ]
7040 [ - + - + : 161 : memcpy(trid->trsvcid, entry->trsvcid, sizeof(entry->trsvcid));
# # # # ]
7041 : : /* Because the source buffer (entry->subnqn) is longer than trid->subnqn, and
7042 : : * before call to this function trid->subnqn is zeroed out, we need
7043 : : * to copy sizeof(trid->subnqn) minus one byte to make sure the last character
7044 : : * remains 0. Then we can shorten the string (replace ' ' with 0) if required
7045 : : */
7046 [ - + - + : 161 : memcpy(trid->subnqn, entry->subnqn, sizeof(trid->subnqn) - 1);
# # # # ]
7047 : :
7048 : : /* We want the traddr, trsvcid and subnqn fields to be NULL-terminated.
7049 : : * But the log page entries typically pad them with spaces, not zeroes.
7050 : : * So add a NULL terminator to each of these fields at the appropriate
7051 : : * location.
7052 : : */
7053 [ - + # # ]: 161 : space = strchr(trid->traddr, ' ');
7054 [ + - ]: 161 : if (space) {
7055 [ # # ]: 161 : *space = 0;
7056 : 0 : }
7057 [ - + # # ]: 161 : space = strchr(trid->trsvcid, ' ');
7058 [ + - ]: 161 : if (space) {
7059 [ # # ]: 161 : *space = 0;
7060 : 0 : }
7061 [ - + # # ]: 161 : space = strchr(trid->subnqn, ' ');
7062 [ - + ]: 161 : if (space) {
7063 [ # # ]: 0 : *space = 0;
7064 : 0 : }
7065 : 161 : }
7066 : :
7067 : : static void
7068 : 34 : _stop_discovery(void *_ctx)
7069 : : {
7070 : 34 : struct discovery_ctx *ctx = _ctx;
7071 : :
7072 [ - + # # : 34 : if (ctx->attach_in_progress > 0) {
# # ]
7073 : 0 : spdk_thread_send_msg(spdk_get_thread(), _stop_discovery, ctx);
7074 : 0 : return;
7075 : : }
7076 : :
7077 [ # # # # ]: 34 : ctx->stop = true;
7078 : :
7079 [ + + # # : 63 : while (!TAILQ_EMPTY(&ctx->nvm_entry_ctxs)) {
# # # # ]
7080 : : struct discovery_entry_ctx *entry_ctx;
7081 : 29 : struct nvme_path_id path = {};
7082 : :
7083 [ # # # # : 29 : entry_ctx = TAILQ_FIRST(&ctx->nvm_entry_ctxs);
# # ]
7084 [ # # ]: 29 : path.trid = entry_ctx->trid;
7085 [ # # ]: 29 : bdev_nvme_delete(entry_ctx->name, &path, NULL, NULL);
7086 [ - + # # : 29 : TAILQ_REMOVE(&ctx->nvm_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7087 : 29 : free(entry_ctx);
7088 : : }
7089 : :
7090 [ + + # # : 77 : while (!TAILQ_EMPTY(&ctx->discovery_entry_ctxs)) {
# # # # ]
7091 : : struct discovery_entry_ctx *entry_ctx;
7092 : :
7093 [ # # # # : 43 : entry_ctx = TAILQ_FIRST(&ctx->discovery_entry_ctxs);
# # ]
7094 [ + + # # : 43 : TAILQ_REMOVE(&ctx->discovery_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7095 : 43 : free(entry_ctx);
7096 : : }
7097 : :
7098 [ # # # # ]: 34 : free(ctx->entry_ctx_in_use);
7099 [ # # # # ]: 34 : ctx->entry_ctx_in_use = NULL;
7100 : 0 : }
7101 : :
7102 : : static void
7103 : 34 : stop_discovery(struct discovery_ctx *ctx, spdk_bdev_nvme_stop_discovery_fn cb_fn, void *cb_ctx)
7104 : : {
7105 [ # # # # ]: 34 : ctx->stop_cb_fn = cb_fn;
7106 [ # # # # ]: 34 : ctx->cb_ctx = cb_ctx;
7107 : :
7108 [ - + # # : 34 : if (ctx->attach_in_progress > 0) {
# # ]
7109 [ # # # # : 0 : DISCOVERY_INFOLOG(ctx, "stopping discovery with attach_in_progress: %"PRIu32"\n",
# # # # #
# # # # #
# # # # ]
7110 : : ctx->attach_in_progress);
7111 : 0 : }
7112 : :
7113 : 34 : _stop_discovery(ctx);
7114 : 34 : }
7115 : :
7116 : : static void
7117 : 29 : remove_discovery_entry(struct nvme_ctrlr *nvme_ctrlr)
7118 : : {
7119 : : struct discovery_ctx *d_ctx;
7120 : : struct nvme_path_id *path_id;
7121 : 29 : struct spdk_nvme_transport_id trid = {};
7122 : : struct discovery_entry_ctx *entry_ctx, *tmp;
7123 : :
7124 [ # # # # : 29 : path_id = TAILQ_FIRST(&nvme_ctrlr->trids);
# # ]
7125 : :
7126 [ + + # # : 32 : TAILQ_FOREACH(d_ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7127 [ + + # # : 6 : TAILQ_FOREACH_SAFE(entry_ctx, &d_ctx->nvm_entry_ctxs, tailq, tmp) {
# # # # #
# # # # #
# # ]
7128 [ # # ]: 3 : build_trid_from_log_page_entry(&trid, &entry_ctx->entry);
7129 [ - + # # ]: 3 : if (spdk_nvme_transport_id_compare(&trid, &path_id->trid) != 0) {
7130 : 0 : continue;
7131 : : }
7132 : :
7133 [ - + # # : 3 : TAILQ_REMOVE(&d_ctx->nvm_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7134 : 3 : free(entry_ctx);
7135 [ - + + - : 3 : DISCOVERY_INFOLOG(d_ctx, "Remove discovery entry: %s:%s:%s\n",
# # # # #
# # # #
# ]
7136 : : trid.subnqn, trid.traddr, trid.trsvcid);
7137 : :
7138 : : /* Fail discovery ctrlr to force reattach attempt */
7139 [ # # # # ]: 3 : spdk_nvme_ctrlr_fail(d_ctx->ctrlr);
7140 : 0 : }
7141 : 0 : }
7142 : 29 : }
7143 : :
7144 : : static void
7145 : 49 : discovery_remove_controllers(struct discovery_ctx *ctx)
7146 : : {
7147 [ # # # # ]: 49 : struct spdk_nvmf_discovery_log_page *log_page = ctx->log_page;
7148 : : struct discovery_entry_ctx *entry_ctx, *tmp;
7149 : : struct spdk_nvmf_discovery_log_page_entry *new_entry, *old_entry;
7150 : 49 : struct spdk_nvme_transport_id old_trid = {};
7151 : : uint64_t numrec, i;
7152 : : bool found;
7153 : :
7154 [ # # ]: 49 : numrec = from_le64(&log_page->numrec);
7155 [ + + # # : 109 : TAILQ_FOREACH_SAFE(entry_ctx, &ctx->nvm_entry_ctxs, tailq, tmp) {
# # # # #
# # # # #
# # ]
7156 : 60 : found = false;
7157 [ # # ]: 60 : old_entry = &entry_ctx->entry;
7158 : 60 : build_trid_from_log_page_entry(&old_trid, old_entry);
7159 [ + + ]: 143 : for (i = 0; i < numrec; i++) {
7160 [ # # # # ]: 138 : new_entry = &log_page->entries[i];
7161 [ - + - + : 138 : if (!memcmp(old_entry, new_entry, sizeof(*old_entry))) {
+ + ]
7162 [ - + + + : 55 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s found again\n",
# # # # #
# # # #
# ]
7163 : : old_trid.subnqn, old_trid.traddr, old_trid.trsvcid);
7164 : 55 : found = true;
7165 : 55 : break;
7166 : : }
7167 : 0 : }
7168 [ + + # # ]: 60 : if (!found) {
7169 : 5 : struct nvme_path_id path = {};
7170 : :
7171 [ - + + - : 5 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s not found\n",
# # # # #
# # # #
# ]
7172 : : old_trid.subnqn, old_trid.traddr, old_trid.trsvcid);
7173 : :
7174 [ # # ]: 5 : path.trid = entry_ctx->trid;
7175 [ # # ]: 5 : bdev_nvme_delete(entry_ctx->name, &path, NULL, NULL);
7176 [ + - # # : 5 : TAILQ_REMOVE(&ctx->nvm_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7177 : 5 : free(entry_ctx);
7178 : 0 : }
7179 : 0 : }
7180 : 49 : free(log_page);
7181 [ # # # # ]: 49 : ctx->log_page = NULL;
7182 : 49 : discovery_complete(ctx);
7183 : 49 : }
7184 : :
7185 : : static void
7186 : 42 : complete_discovery_start(struct discovery_ctx *ctx, int status)
7187 : : {
7188 [ # # # # ]: 42 : ctx->timeout_ticks = 0;
7189 [ # # # # ]: 42 : ctx->rc = status;
7190 [ + + # # : 42 : if (ctx->start_cb_fn) {
# # ]
7191 [ # # # # : 27 : ctx->start_cb_fn(ctx->cb_ctx, status);
# # # # #
# # # ]
7192 [ # # # # ]: 27 : ctx->start_cb_fn = NULL;
7193 [ # # # # ]: 27 : ctx->cb_ctx = NULL;
7194 : 0 : }
7195 : 42 : }
7196 : :
7197 : : static void
7198 : 37 : discovery_attach_controller_done(void *cb_ctx, size_t bdev_count, int rc)
7199 : : {
7200 : 37 : struct discovery_entry_ctx *entry_ctx = cb_ctx;
7201 [ # # # # ]: 37 : struct discovery_ctx *ctx = entry_ctx->ctx;
7202 : :
7203 [ - + + + : 37 : DISCOVERY_INFOLOG(ctx, "attach %s done\n", entry_ctx->name);
# # # # #
# # # # #
# # ]
7204 [ # # ]: 37 : ctx->attach_in_progress--;
7205 [ + - # # : 37 : if (ctx->attach_in_progress == 0) {
# # ]
7206 [ # # # # ]: 37 : complete_discovery_start(ctx, ctx->rc);
7207 [ - + + + : 37 : if (ctx->initializing && ctx->rc != 0) {
- + # # #
# # # #
# ]
7208 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "stopping discovery due to errors: %d\n", ctx->rc);
# # # # #
# # # ]
7209 [ # # # # ]: 0 : stop_discovery(ctx, NULL, ctx->cb_ctx);
7210 : 0 : } else {
7211 : 37 : discovery_remove_controllers(ctx);
7212 : : }
7213 : 0 : }
7214 : 37 : }
7215 : :
7216 : : static struct discovery_entry_ctx *
7217 : 95 : create_discovery_entry_ctx(struct discovery_ctx *ctx, struct spdk_nvme_transport_id *trid)
7218 : : {
7219 : : struct discovery_entry_ctx *new_ctx;
7220 : :
7221 : 95 : new_ctx = calloc(1, sizeof(*new_ctx));
7222 [ - + ]: 95 : if (new_ctx == NULL) {
7223 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7224 : 0 : return NULL;
7225 : : }
7226 : :
7227 [ # # # # ]: 95 : new_ctx->ctx = ctx;
7228 [ - + - + : 95 : memcpy(&new_ctx->trid, trid, sizeof(*trid));
# # ]
7229 [ # # ]: 95 : spdk_nvme_ctrlr_get_default_ctrlr_opts(&new_ctx->drv_opts, sizeof(new_ctx->drv_opts));
7230 [ - + # # : 95 : snprintf(new_ctx->drv_opts.hostnqn, sizeof(new_ctx->drv_opts.hostnqn), "%s", ctx->hostnqn);
# # # # ]
7231 : 95 : return new_ctx;
7232 : 0 : }
7233 : :
7234 : : static void
7235 : 49 : discovery_log_page_cb(void *cb_arg, int rc, const struct spdk_nvme_cpl *cpl,
7236 : : struct spdk_nvmf_discovery_log_page *log_page)
7237 : : {
7238 : 49 : struct discovery_ctx *ctx = cb_arg;
7239 : : struct discovery_entry_ctx *entry_ctx, *tmp;
7240 : : struct spdk_nvmf_discovery_log_page_entry *new_entry, *old_entry;
7241 : : uint64_t numrec, i;
7242 : : bool found;
7243 : :
7244 [ + - + - : 49 : if (rc || spdk_nvme_cpl_is_error(cpl)) {
- + # # #
# # # # #
# # # # ]
7245 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not get discovery log page\n");
# # # # ]
7246 : 0 : return;
7247 : : }
7248 : :
7249 [ # # # # ]: 49 : ctx->log_page = log_page;
7250 [ - + # # : 49 : assert(ctx->attach_in_progress == 0);
# # # # ]
7251 [ # # ]: 49 : numrec = from_le64(&log_page->numrec);
7252 [ + + # # : 71 : TAILQ_FOREACH_SAFE(entry_ctx, &ctx->discovery_entry_ctxs, tailq, tmp) {
# # # # #
# # # # #
# # ]
7253 [ + + # # : 22 : TAILQ_REMOVE(&ctx->discovery_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7254 : 22 : free(entry_ctx);
7255 : 0 : }
7256 [ + + ]: 165 : for (i = 0; i < numrec; i++) {
7257 : 116 : found = false;
7258 [ # # # # ]: 116 : new_entry = &log_page->entries[i];
7259 [ + + # # : 116 : if (new_entry->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY_CURRENT ||
# # # # ]
7260 [ - + # # ]: 55 : new_entry->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY) {
7261 : : struct discovery_entry_ctx *new_ctx;
7262 : 61 : struct spdk_nvme_transport_id trid = {};
7263 : :
7264 : 61 : build_trid_from_log_page_entry(&trid, new_entry);
7265 : 61 : new_ctx = create_discovery_entry_ctx(ctx, &trid);
7266 [ - + ]: 61 : if (new_ctx == NULL) {
7267 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7268 : 0 : break;
7269 : : }
7270 : :
7271 [ # # # # : 61 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, new_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7272 : 61 : continue;
7273 : : }
7274 [ + + # # : 67 : TAILQ_FOREACH(entry_ctx, &ctx->nvm_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
7275 [ # # ]: 30 : old_entry = &entry_ctx->entry;
7276 [ - + - + : 30 : if (!memcmp(new_entry, old_entry, sizeof(*new_entry))) {
+ + ]
7277 : 18 : found = true;
7278 : 18 : break;
7279 : : }
7280 : 0 : }
7281 [ + + # # ]: 55 : if (!found) {
7282 : 37 : struct discovery_entry_ctx *subnqn_ctx = NULL, *new_ctx;
7283 : : struct discovery_ctx *d_ctx;
7284 : :
7285 [ + + # # : 77 : TAILQ_FOREACH(d_ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7286 [ + + # # : 51 : TAILQ_FOREACH(subnqn_ctx, &d_ctx->nvm_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
7287 [ - + - + : 11 : if (!memcmp(subnqn_ctx->entry.subnqn, new_entry->subnqn,
+ + # # #
# # # ]
7288 : : sizeof(new_entry->subnqn))) {
7289 : 5 : break;
7290 : : }
7291 : 0 : }
7292 [ + + ]: 45 : if (subnqn_ctx) {
7293 : 5 : break;
7294 : : }
7295 : 0 : }
7296 : :
7297 : 37 : new_ctx = calloc(1, sizeof(*new_ctx));
7298 [ - + ]: 37 : if (new_ctx == NULL) {
7299 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7300 : 0 : break;
7301 : : }
7302 : :
7303 [ # # # # ]: 37 : new_ctx->ctx = ctx;
7304 [ - + - + : 37 : memcpy(&new_ctx->entry, new_entry, sizeof(*new_entry));
# # ]
7305 [ # # ]: 37 : build_trid_from_log_page_entry(&new_ctx->trid, new_entry);
7306 [ + + ]: 37 : if (subnqn_ctx) {
7307 [ # # # # ]: 5 : snprintf(new_ctx->name, sizeof(new_ctx->name), "%s", subnqn_ctx->name);
7308 [ - + + - : 5 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s new path for %s\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7309 : : new_ctx->trid.subnqn, new_ctx->trid.traddr, new_ctx->trid.trsvcid,
7310 : : new_ctx->name);
7311 : 0 : } else {
7312 [ # # # # : 32 : snprintf(new_ctx->name, sizeof(new_ctx->name), "%s%d", ctx->name, ctx->index++);
# # # # ]
7313 [ - + + + : 32 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s new subsystem %s\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7314 : : new_ctx->trid.subnqn, new_ctx->trid.traddr, new_ctx->trid.trsvcid,
7315 : : new_ctx->name);
7316 : : }
7317 [ # # ]: 37 : spdk_nvme_ctrlr_get_default_ctrlr_opts(&new_ctx->drv_opts, sizeof(new_ctx->drv_opts));
7318 [ # # # # : 37 : snprintf(new_ctx->drv_opts.hostnqn, sizeof(new_ctx->drv_opts.hostnqn), "%s", ctx->hostnqn);
# # # # ]
7319 [ # # # # ]: 37 : rc = spdk_bdev_nvme_create(&new_ctx->trid, new_ctx->name, NULL, 0,
7320 : 0 : discovery_attach_controller_done, new_ctx,
7321 [ # # # # ]: 0 : &new_ctx->drv_opts, &ctx->bdev_opts);
7322 [ + - ]: 37 : if (rc == 0) {
7323 [ # # # # : 37 : TAILQ_INSERT_TAIL(&ctx->nvm_entry_ctxs, new_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7324 [ # # ]: 37 : ctx->attach_in_progress++;
7325 : 0 : } else {
7326 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "spdk_bdev_nvme_create failed (%s)\n", spdk_strerror(-rc));
# # # # #
# ]
7327 : : }
7328 : 0 : }
7329 : 0 : }
7330 : :
7331 [ + + # # : 49 : if (ctx->attach_in_progress == 0) {
# # ]
7332 : 12 : discovery_remove_controllers(ctx);
7333 : 0 : }
7334 : 0 : }
7335 : :
7336 : : static void
7337 : 49 : get_discovery_log_page(struct discovery_ctx *ctx)
7338 : : {
7339 : : int rc;
7340 : :
7341 [ - + - + : 49 : assert(ctx->in_progress == false);
# # # # #
# ]
7342 [ # # # # ]: 49 : ctx->in_progress = true;
7343 [ # # # # ]: 49 : rc = spdk_nvme_ctrlr_get_discovery_log_page(ctx->ctrlr, discovery_log_page_cb, ctx);
7344 [ - + ]: 49 : if (rc != 0) {
7345 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not get discovery log page\n");
# # # # ]
7346 : 0 : }
7347 [ - + + + : 49 : DISCOVERY_INFOLOG(ctx, "sent discovery log page command\n");
# # # # #
# # # #
# ]
7348 : 49 : }
7349 : :
7350 : : static void
7351 : 16 : discovery_aer_cb(void *arg, const struct spdk_nvme_cpl *cpl)
7352 : : {
7353 : 16 : struct discovery_ctx *ctx = arg;
7354 [ # # # # : 16 : uint32_t log_page_id = (cpl->cdw0 & 0xFF0000) >> 16;
# # ]
7355 : :
7356 [ + - - + : 16 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
7357 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "aer failed\n");
# # # # ]
7358 : 0 : return;
7359 : : }
7360 : :
7361 [ - + ]: 16 : if (log_page_id != SPDK_NVME_LOG_DISCOVERY) {
7362 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "unexpected log page 0x%x\n", log_page_id);
# # # # ]
7363 : 0 : return;
7364 : : }
7365 : :
7366 [ - + + - : 16 : DISCOVERY_INFOLOG(ctx, "got aer\n");
# # # # #
# # # #
# ]
7367 [ - + + + : 16 : if (ctx->in_progress) {
# # # # ]
7368 [ # # # # ]: 5 : ctx->pending = true;
7369 : 5 : return;
7370 : : }
7371 : :
7372 : 11 : get_discovery_log_page(ctx);
7373 : 0 : }
7374 : :
7375 : : static void
7376 : 33 : discovery_attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
7377 : : struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
7378 : : {
7379 : 33 : struct spdk_nvme_ctrlr_opts *user_opts = cb_ctx;
7380 : : struct discovery_ctx *ctx;
7381 : :
7382 : 33 : ctx = SPDK_CONTAINEROF(user_opts, struct discovery_ctx, drv_opts);
7383 : :
7384 [ - + + + : 33 : DISCOVERY_INFOLOG(ctx, "discovery ctrlr attached\n");
# # # # #
# # # #
# ]
7385 [ # # # # ]: 33 : ctx->probe_ctx = NULL;
7386 [ # # # # ]: 33 : ctx->ctrlr = ctrlr;
7387 : :
7388 [ - + # # : 33 : if (ctx->rc != 0) {
# # ]
7389 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "encountered error while attaching discovery ctrlr: %d\n",
# # # # #
# # # ]
7390 : : ctx->rc);
7391 : 0 : return;
7392 : : }
7393 : :
7394 [ # # # # ]: 33 : spdk_nvme_ctrlr_register_aer_callback(ctx->ctrlr, discovery_aer_cb, ctx);
7395 : 0 : }
7396 : :
7397 : : static int
7398 : 107844 : discovery_poller(void *arg)
7399 : : {
7400 : 107844 : struct discovery_ctx *ctx = arg;
7401 : : struct spdk_nvme_transport_id *trid;
7402 : : int rc;
7403 : :
7404 [ + + # # : 107844 : if (ctx->detach_ctx) {
# # ]
7405 [ # # # # ]: 243 : rc = spdk_nvme_detach_poll_async(ctx->detach_ctx);
7406 [ + + ]: 243 : if (rc != -EAGAIN) {
7407 [ # # # # ]: 33 : ctx->detach_ctx = NULL;
7408 [ # # # # ]: 33 : ctx->ctrlr = NULL;
7409 : 0 : }
7410 [ - + + + : 107601 : } else if (ctx->stop) {
# # # # ]
7411 [ + + # # : 60 : if (ctx->ctrlr != NULL) {
# # ]
7412 [ # # # # : 30 : rc = spdk_nvme_detach_async(ctx->ctrlr, &ctx->detach_ctx);
# # ]
7413 [ + - ]: 30 : if (rc == 0) {
7414 : 30 : return SPDK_POLLER_BUSY;
7415 : : }
7416 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not detach discovery ctrlr\n");
# # # # ]
7417 : 0 : }
7418 [ # # ]: 30 : spdk_poller_unregister(&ctx->poller);
7419 [ + + # # : 30 : TAILQ_REMOVE(&g_discovery_ctxs, ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7420 [ - + # # : 30 : assert(ctx->start_cb_fn == NULL);
# # # # ]
7421 [ + + # # : 30 : if (ctx->stop_cb_fn != NULL) {
# # ]
7422 [ # # # # : 25 : ctx->stop_cb_fn(ctx->cb_ctx);
# # # # #
# # # ]
7423 : 0 : }
7424 : 30 : free_discovery_ctx(ctx);
7425 [ + + + + : 107541 : } else if (ctx->probe_ctx == NULL && ctx->ctrlr == NULL) {
# # # # #
# # # ]
7426 [ + + + + : 50 : if (ctx->timeout_ticks != 0 && ctx->timeout_ticks < spdk_get_ticks()) {
# # # # #
# # # ]
7427 [ # # # # : 4 : DISCOVERY_ERRLOG(ctx, "timed out while attaching discovery ctrlr\n");
# # # # ]
7428 [ - + - + : 4 : assert(ctx->initializing);
# # # # #
# ]
7429 [ # # ]: 4 : spdk_poller_unregister(&ctx->poller);
7430 [ - + # # : 4 : TAILQ_REMOVE(&g_discovery_ctxs, ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7431 : 4 : complete_discovery_start(ctx, -ETIMEDOUT);
7432 : 4 : stop_discovery(ctx, NULL, NULL);
7433 : 4 : free_discovery_ctx(ctx);
7434 : 4 : return SPDK_POLLER_BUSY;
7435 : : }
7436 : :
7437 [ - + # # : 46 : assert(ctx->entry_ctx_in_use == NULL);
# # # # ]
7438 [ # # # # : 46 : ctx->entry_ctx_in_use = TAILQ_FIRST(&ctx->discovery_entry_ctxs);
# # # # #
# ]
7439 [ + + # # : 46 : TAILQ_REMOVE(&ctx->discovery_entry_ctxs, ctx->entry_ctx_in_use, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7440 [ # # # # : 46 : trid = &ctx->entry_ctx_in_use->trid;
# # ]
7441 : :
7442 : : /* All controllers must be configured explicitely either for multipath or failover.
7443 : : * While discovery use multipath mode, we need to set this in bdev options as well.
7444 : : */
7445 [ # # # # : 46 : ctx->bdev_opts.multipath = true;
# # ]
7446 : :
7447 [ # # # # : 46 : ctx->probe_ctx = spdk_nvme_connect_async(trid, &ctx->drv_opts, discovery_attach_cb);
# # ]
7448 [ + + # # : 46 : if (ctx->probe_ctx) {
# # ]
7449 [ # # ]: 33 : spdk_poller_unregister(&ctx->poller);
7450 [ # # # # ]: 33 : ctx->poller = SPDK_POLLER_REGISTER(discovery_poller, ctx, 1000);
7451 : 0 : } else {
7452 [ # # # # : 13 : DISCOVERY_ERRLOG(ctx, "could not start discovery connect\n");
# # # # ]
7453 [ # # # # : 13 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, ctx->entry_ctx_in_use, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7454 [ # # # # ]: 13 : ctx->entry_ctx_in_use = NULL;
7455 : : }
7456 [ + + # # : 107491 : } else if (ctx->probe_ctx) {
# # ]
7457 [ + + - + : 33 : if (ctx->timeout_ticks != 0 && ctx->timeout_ticks < spdk_get_ticks()) {
# # # # #
# # # ]
7458 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "timed out while attaching discovery ctrlr\n");
# # # # ]
7459 : 0 : complete_discovery_start(ctx, -ETIMEDOUT);
7460 : 0 : return SPDK_POLLER_BUSY;
7461 : : }
7462 : :
7463 [ # # # # ]: 33 : rc = spdk_nvme_probe_poll_async(ctx->probe_ctx);
7464 [ + - ]: 33 : if (rc != -EAGAIN) {
7465 [ - + # # : 33 : if (ctx->rc != 0) {
# # ]
7466 [ # # # # : 0 : assert(ctx->initializing);
# # # # #
# ]
7467 [ # # # # ]: 0 : stop_discovery(ctx, NULL, ctx->cb_ctx);
7468 : 0 : } else {
7469 [ - + # # ]: 33 : assert(rc == 0);
7470 [ - + + + : 33 : DISCOVERY_INFOLOG(ctx, "discovery ctrlr connected\n");
# # # # #
# # # #
# ]
7471 [ # # # # ]: 33 : ctx->rc = rc;
7472 : 33 : get_discovery_log_page(ctx);
7473 : : }
7474 : 0 : }
7475 : 0 : } else {
7476 [ + + + + : 107458 : if (ctx->timeout_ticks != 0 && ctx->timeout_ticks < spdk_get_ticks()) {
# # # # #
# # # ]
7477 [ # # # # : 1 : DISCOVERY_ERRLOG(ctx, "timed out while attaching NVM ctrlrs\n");
# # # # ]
7478 : 1 : complete_discovery_start(ctx, -ETIMEDOUT);
7479 : : /* We need to wait until all NVM ctrlrs are attached before we stop the
7480 : : * discovery service to make sure we don't detach a ctrlr that is still
7481 : : * being attached.
7482 : : */
7483 [ + - # # : 1 : if (ctx->attach_in_progress == 0) {
# # ]
7484 [ # # # # ]: 1 : stop_discovery(ctx, NULL, ctx->cb_ctx);
7485 : 1 : return SPDK_POLLER_BUSY;
7486 : : }
7487 : 0 : }
7488 : :
7489 [ # # # # ]: 107457 : rc = spdk_nvme_ctrlr_process_admin_completions(ctx->ctrlr);
7490 [ + + ]: 107457 : if (rc < 0) {
7491 [ # # ]: 3 : spdk_poller_unregister(&ctx->poller);
7492 [ # # # # ]: 3 : ctx->poller = SPDK_POLLER_REGISTER(discovery_poller, ctx, 1000 * 1000);
7493 [ # # # # : 3 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, ctx->entry_ctx_in_use, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7494 [ # # # # ]: 3 : ctx->entry_ctx_in_use = NULL;
7495 : :
7496 [ # # # # : 3 : rc = spdk_nvme_detach_async(ctx->ctrlr, &ctx->detach_ctx);
# # ]
7497 [ - + ]: 3 : if (rc != 0) {
7498 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not detach discovery ctrlr\n");
# # # # ]
7499 [ # # # # ]: 0 : ctx->ctrlr = NULL;
7500 : 0 : }
7501 : 0 : }
7502 : : }
7503 : :
7504 : 107809 : return SPDK_POLLER_BUSY;
7505 : 0 : }
7506 : :
7507 : : static void
7508 : 34 : start_discovery_poller(void *arg)
7509 : : {
7510 : 34 : struct discovery_ctx *ctx = arg;
7511 : :
7512 [ # # # # : 34 : TAILQ_INSERT_TAIL(&g_discovery_ctxs, ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # #
# ]
7513 [ # # # # ]: 34 : ctx->poller = SPDK_POLLER_REGISTER(discovery_poller, ctx, 1000 * 1000);
7514 : 34 : }
7515 : :
7516 : : int
7517 : 40 : bdev_nvme_start_discovery(struct spdk_nvme_transport_id *trid,
7518 : : const char *base_name,
7519 : : struct spdk_nvme_ctrlr_opts *drv_opts,
7520 : : struct spdk_bdev_nvme_ctrlr_opts *bdev_opts,
7521 : : uint64_t attach_timeout,
7522 : : bool from_mdns,
7523 : : spdk_bdev_nvme_start_discovery_fn cb_fn, void *cb_ctx)
7524 : : {
7525 : : struct discovery_ctx *ctx;
7526 : : struct discovery_entry_ctx *discovery_entry_ctx;
7527 : :
7528 [ # # ]: 40 : snprintf(trid->subnqn, sizeof(trid->subnqn), "%s", SPDK_NVMF_DISCOVERY_NQN);
7529 [ + + # # : 50 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7530 [ - + - + : 16 : if (strcmp(ctx->name, base_name) == 0) {
+ + # # #
# ]
7531 : 3 : return -EEXIST;
7532 : : }
7533 : :
7534 [ + + # # : 13 : if (ctx->entry_ctx_in_use != NULL) {
# # ]
7535 [ + + # # : 11 : if (!spdk_nvme_transport_id_compare(trid, &ctx->entry_ctx_in_use->trid)) {
# # # # ]
7536 : 3 : return -EEXIST;
7537 : : }
7538 : 0 : }
7539 : :
7540 [ + + # # : 20 : TAILQ_FOREACH(discovery_entry_ctx, &ctx->discovery_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
7541 [ - + # # ]: 10 : if (!spdk_nvme_transport_id_compare(trid, &discovery_entry_ctx->trid)) {
7542 : 0 : return -EEXIST;
7543 : : }
7544 : 0 : }
7545 : 0 : }
7546 : :
7547 : 34 : ctx = calloc(1, sizeof(*ctx));
7548 [ - + ]: 34 : if (ctx == NULL) {
7549 : 0 : return -ENOMEM;
7550 : : }
7551 : :
7552 [ - + # # : 34 : ctx->name = strdup(base_name);
# # ]
7553 [ - + # # : 34 : if (ctx->name == NULL) {
# # ]
7554 : 0 : free_discovery_ctx(ctx);
7555 : 0 : return -ENOMEM;
7556 : : }
7557 [ - + - + : 34 : memcpy(&ctx->drv_opts, drv_opts, sizeof(*drv_opts));
# # ]
7558 [ - + - + : 34 : memcpy(&ctx->bdev_opts, bdev_opts, sizeof(*bdev_opts));
# # ]
7559 [ # # # # : 34 : ctx->from_mdns_discovery_service = from_mdns;
# # ]
7560 [ # # # # : 34 : ctx->bdev_opts.from_discovery_service = true;
# # ]
7561 [ # # # # ]: 34 : ctx->calling_thread = spdk_get_thread();
7562 [ # # # # ]: 34 : ctx->start_cb_fn = cb_fn;
7563 [ # # # # ]: 34 : ctx->cb_ctx = cb_ctx;
7564 [ # # # # ]: 34 : ctx->initializing = true;
7565 [ + + # # : 34 : if (ctx->start_cb_fn) {
# # ]
7566 : : /* We can use this when dumping json to denote if this RPC parameter
7567 : : * was specified or not.
7568 : : */
7569 [ # # # # ]: 27 : ctx->wait_for_attach = true;
7570 : 0 : }
7571 [ + + ]: 34 : if (attach_timeout != 0) {
7572 [ # # # # ]: 42 : ctx->timeout_ticks = spdk_get_ticks() + attach_timeout *
7573 [ # # # # ]: 21 : spdk_get_ticks_hz() / 1000ull;
7574 : 0 : }
7575 [ # # # # : 34 : TAILQ_INIT(&ctx->nvm_entry_ctxs);
# # # # #
# # # # #
# # ]
7576 [ # # # # : 34 : TAILQ_INIT(&ctx->discovery_entry_ctxs);
# # # # #
# # # # #
# # ]
7577 [ - + - + : 34 : memcpy(&ctx->trid, trid, sizeof(*trid));
# # ]
7578 : : /* Even if user did not specify hostnqn, we can still strdup("\0"); */
7579 [ - + # # : 34 : ctx->hostnqn = strdup(ctx->drv_opts.hostnqn);
# # # # #
# ]
7580 [ - + # # : 34 : if (ctx->hostnqn == NULL) {
# # ]
7581 : 0 : free_discovery_ctx(ctx);
7582 : 0 : return -ENOMEM;
7583 : : }
7584 : 34 : discovery_entry_ctx = create_discovery_entry_ctx(ctx, trid);
7585 [ - + ]: 34 : if (discovery_entry_ctx == NULL) {
7586 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7587 : 0 : free_discovery_ctx(ctx);
7588 : 0 : return -ENOMEM;
7589 : : }
7590 : :
7591 [ # # # # : 34 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, discovery_entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7592 : 34 : spdk_thread_send_msg(g_bdev_nvme_init_thread, start_discovery_poller, ctx);
7593 : 34 : return 0;
7594 : 0 : }
7595 : :
7596 : : int
7597 : 23 : bdev_nvme_stop_discovery(const char *name, spdk_bdev_nvme_stop_discovery_fn cb_fn, void *cb_ctx)
7598 : : {
7599 : : struct discovery_ctx *ctx;
7600 : :
7601 [ + - # # : 26 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7602 [ - + - + : 26 : if (strcmp(name, ctx->name) == 0) {
+ + # # #
# ]
7603 [ - + - + : 23 : if (ctx->stop) {
# # # # ]
7604 : 0 : return -EALREADY;
7605 : : }
7606 : : /* If we're still starting the discovery service and ->rc is non-zero, we're
7607 : : * going to stop it as soon as we can
7608 : : */
7609 [ - + - + : 23 : if (ctx->initializing && ctx->rc != 0) {
- - # # #
# # # #
# ]
7610 : 0 : return -EALREADY;
7611 : : }
7612 : 23 : stop_discovery(ctx, cb_fn, cb_ctx);
7613 : 23 : return 0;
7614 : : }
7615 : 0 : }
7616 : :
7617 : 0 : return -ENOENT;
7618 : 0 : }
7619 : :
7620 : : static int
7621 : 1947 : bdev_nvme_library_init(void)
7622 : : {
7623 : 1947 : g_bdev_nvme_init_thread = spdk_get_thread();
7624 : :
7625 : 1947 : spdk_io_device_register(&g_nvme_bdev_ctrlrs, bdev_nvme_create_poll_group_cb,
7626 : : bdev_nvme_destroy_poll_group_cb,
7627 : : sizeof(struct nvme_poll_group), "nvme_poll_groups");
7628 : :
7629 : 1947 : return 0;
7630 : : }
7631 : :
7632 : : static void
7633 : 1947 : bdev_nvme_fini_destruct_ctrlrs(void)
7634 : : {
7635 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
7636 : : struct nvme_ctrlr *nvme_ctrlr;
7637 : :
7638 [ + + ]: 1947 : pthread_mutex_lock(&g_bdev_nvme_mutex);
7639 [ + + + - : 2680 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
+ - + - ]
7640 [ + + + - : 1472 : TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
+ - + + +
- + - +
- ]
7641 [ + + + - ]: 739 : pthread_mutex_lock(&nvme_ctrlr->mutex);
7642 [ + + - + ]: 739 : if (nvme_ctrlr->destruct) {
7643 : : /* This controller's destruction was already started
7644 : : * before the application started shutting down
7645 : : */
7646 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
7647 : 0 : continue;
7648 : : }
7649 [ - + ]: 739 : nvme_ctrlr->destruct = true;
7650 [ - + - + ]: 739 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
7651 : :
7652 [ - + - + ]: 739 : spdk_thread_send_msg(nvme_ctrlr->thread, _nvme_ctrlr_destruct,
7653 : 1 : nvme_ctrlr);
7654 : 1 : }
7655 : 1 : }
7656 : :
7657 : 1947 : g_bdev_nvme_module_finish = true;
7658 [ + + ]: 1947 : if (TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
7659 [ - + ]: 1402 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
7660 : 1402 : spdk_io_device_unregister(&g_nvme_bdev_ctrlrs, NULL);
7661 : 1402 : spdk_bdev_module_fini_done();
7662 : 1402 : return;
7663 : : }
7664 : :
7665 [ + + ]: 545 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
7666 : 54 : }
7667 : :
7668 : : static void
7669 : 6 : check_discovery_fini(void *arg)
7670 : : {
7671 [ + - ]: 6 : if (TAILQ_EMPTY(&g_discovery_ctxs)) {
7672 : 6 : bdev_nvme_fini_destruct_ctrlrs();
7673 : 0 : }
7674 : 6 : }
7675 : :
7676 : : static void
7677 : 1947 : bdev_nvme_library_fini(void)
7678 : : {
7679 : : struct nvme_probe_skip_entry *entry, *entry_tmp;
7680 : : struct discovery_ctx *ctx;
7681 : :
7682 : 1947 : spdk_poller_unregister(&g_hotplug_poller);
7683 : 1947 : free(g_hotplug_probe_ctx);
7684 : 1947 : g_hotplug_probe_ctx = NULL;
7685 : :
7686 [ + + # # : 2001 : TAILQ_FOREACH_SAFE(entry, &g_skipped_nvme_ctrlrs, tailq, entry_tmp) {
# # # # -
+ ]
7687 [ + + # # : 54 : TAILQ_REMOVE(&g_skipped_nvme_ctrlrs, entry, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7688 : 54 : free(entry);
7689 : 0 : }
7690 : :
7691 [ + + # # ]: 1947 : assert(spdk_get_thread() == g_bdev_nvme_init_thread);
7692 [ + + ]: 1947 : if (TAILQ_EMPTY(&g_discovery_ctxs)) {
7693 : 1941 : bdev_nvme_fini_destruct_ctrlrs();
7694 : 54 : } else {
7695 [ + + # # : 12 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7696 : 6 : stop_discovery(ctx, check_discovery_fini, NULL);
7697 : 0 : }
7698 : : }
7699 : 1947 : }
7700 : :
7701 : : static void
7702 : 0 : bdev_nvme_verify_pi_error(struct nvme_bdev_io *bio)
7703 : : {
7704 : 0 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7705 [ # # # # ]: 0 : struct spdk_bdev *bdev = bdev_io->bdev;
7706 : 0 : struct spdk_dif_ctx dif_ctx;
7707 : 0 : struct spdk_dif_error err_blk = {};
7708 : : int rc;
7709 : 0 : struct spdk_dif_ctx_init_ext_opts dif_opts;
7710 : :
7711 : 0 : dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
7712 [ # # # # : 0 : dif_opts.dif_pi_format = bdev->dif_pi_format;
# # ]
7713 : 0 : rc = spdk_dif_ctx_init(&dif_ctx,
7714 [ # # # # : 0 : bdev->blocklen, bdev->md_len, bdev->md_interleave,
# # # # #
# # # #
# ]
7715 [ # # # # : 0 : bdev->dif_is_head_of_md, bdev->dif_type,
# # # # #
# ]
7716 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags,
# # # # ]
7717 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks, 0, 0, 0, 0, &dif_opts);
# # # # ]
7718 [ # # ]: 0 : if (rc != 0) {
7719 : 0 : SPDK_ERRLOG("Initialization of DIF context failed\n");
7720 : 0 : return;
7721 : : }
7722 : :
7723 [ # # # # : 0 : if (bdev->md_interleave) {
# # # # ]
7724 [ # # # # : 0 : rc = spdk_dif_verify(bdev_io->u.bdev.iovs, bdev_io->u.bdev.iovcnt,
# # # # #
# # # # #
# # ]
7725 [ # # # # : 0 : bdev_io->u.bdev.num_blocks, &dif_ctx, &err_blk);
# # # # ]
7726 : 0 : } else {
7727 : 0 : struct iovec md_iov = {
7728 [ # # # # : 0 : .iov_base = bdev_io->u.bdev.md_buf,
# # # # ]
7729 [ # # # # : 0 : .iov_len = bdev_io->u.bdev.num_blocks * bdev->md_len,
# # # # #
# # # ]
7730 : : };
7731 : :
7732 [ # # # # : 0 : rc = spdk_dix_verify(bdev_io->u.bdev.iovs, bdev_io->u.bdev.iovcnt,
# # # # #
# # # # #
# # ]
7733 [ # # # # : 0 : &md_iov, bdev_io->u.bdev.num_blocks, &dif_ctx, &err_blk);
# # # # ]
7734 : : }
7735 : :
7736 [ # # ]: 0 : if (rc != 0) {
7737 [ # # ]: 0 : SPDK_ERRLOG("DIF error detected. type=%d, offset=%" PRIu32 "\n",
7738 : : err_blk.err_type, err_blk.err_offset);
7739 : 0 : } else {
7740 : 0 : SPDK_ERRLOG("Hardware reported PI error but SPDK could not find any.\n");
7741 : : }
7742 : 0 : }
7743 : :
7744 : : static void
7745 : 0 : bdev_nvme_no_pi_readv_done(void *ref, const struct spdk_nvme_cpl *cpl)
7746 : : {
7747 : 0 : struct nvme_bdev_io *bio = ref;
7748 : :
7749 [ # # # # : 0 : if (spdk_nvme_cpl_is_success(cpl)) {
# # # # #
# # # # #
# # ]
7750 : : /* Run PI verification for read data buffer. */
7751 : 0 : bdev_nvme_verify_pi_error(bio);
7752 : 0 : }
7753 : :
7754 : : /* Return original completion status */
7755 [ # # ]: 0 : bdev_nvme_io_complete_nvme_status(bio, &bio->cpl);
7756 : 0 : }
7757 : :
7758 : : static void
7759 : 21128459 : bdev_nvme_readv_done(void *ref, const struct spdk_nvme_cpl *cpl)
7760 : : {
7761 : 21128459 : struct nvme_bdev_io *bio = ref;
7762 : 21128459 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7763 : : int ret;
7764 : :
7765 [ + + + - : 21128459 : if (spdk_unlikely(spdk_nvme_cpl_is_pi_error(cpl))) {
+ - + - -
- - - # #
# # # # #
# # # # #
# # # # #
# + - ]
7766 [ # # # # : 0 : SPDK_ERRLOG("readv completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7767 : : cpl->status.sct, cpl->status.sc);
7768 : :
7769 : : /* Save completion status to use after verifying PI error. */
7770 [ # # ]: 0 : bio->cpl = *cpl;
7771 : :
7772 [ # # # # : 0 : if (spdk_likely(nvme_io_path_is_available(bio->io_path))) {
# # ]
7773 : : /* Read without PI checking to verify PI error. */
7774 : 0 : ret = bdev_nvme_no_pi_readv(bio,
7775 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
7776 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
7777 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
7778 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
7779 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks);
# # # # ]
7780 [ # # ]: 0 : if (ret == 0) {
7781 : 0 : return;
7782 : : }
7783 : 0 : }
7784 : 0 : }
7785 : :
7786 : 21128459 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7787 : 3 : }
7788 : :
7789 : : static void
7790 : 20534080 : bdev_nvme_writev_done(void *ref, const struct spdk_nvme_cpl *cpl)
7791 : : {
7792 : 20534080 : struct nvme_bdev_io *bio = ref;
7793 : :
7794 [ - + - - : 20534080 : if (spdk_unlikely(spdk_nvme_cpl_is_pi_error(cpl))) {
- - - - -
- - - # #
# # # # #
# # # # #
# # # # #
# # # ]
7795 [ # # # # : 0 : SPDK_ERRLOG("writev completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7796 : : cpl->status.sct, cpl->status.sc);
7797 : : /* Run PI verification for write data buffer if PI error is detected. */
7798 : 0 : bdev_nvme_verify_pi_error(bio);
7799 : 0 : }
7800 : :
7801 : 20534080 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7802 : 20534080 : }
7803 : :
7804 : : static void
7805 : 229211 : bdev_nvme_zone_appendv_done(void *ref, const struct spdk_nvme_cpl *cpl)
7806 : : {
7807 : 229211 : struct nvme_bdev_io *bio = ref;
7808 : 229211 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7809 : :
7810 : : /* spdk_bdev_io_get_append_location() requires that the ALBA is stored in offset_blocks.
7811 : : * Additionally, offset_blocks has to be set before calling bdev_nvme_verify_pi_error().
7812 : : */
7813 [ # # # # : 229211 : bdev_io->u.bdev.offset_blocks = *(uint64_t *)&cpl->cdw0;
# # # # #
# # # ]
7814 : :
7815 [ - + - - : 229211 : if (spdk_nvme_cpl_is_pi_error(cpl)) {
- - - - #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7816 [ # # # # : 0 : SPDK_ERRLOG("zone append completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7817 : : cpl->status.sct, cpl->status.sc);
7818 : : /* Run PI verification for zone append data buffer if PI error is detected. */
7819 : 0 : bdev_nvme_verify_pi_error(bio);
7820 : 0 : }
7821 : :
7822 : 229211 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7823 : 229211 : }
7824 : :
7825 : : static void
7826 : 53 : bdev_nvme_comparev_done(void *ref, const struct spdk_nvme_cpl *cpl)
7827 : : {
7828 : 53 : struct nvme_bdev_io *bio = ref;
7829 : :
7830 [ + + + - : 53 : if (spdk_nvme_cpl_is_pi_error(cpl)) {
+ - - + #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7831 [ # # # # : 0 : SPDK_ERRLOG("comparev completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7832 : : cpl->status.sct, cpl->status.sc);
7833 : : /* Run PI verification for compare data buffer if PI error is detected. */
7834 : 0 : bdev_nvme_verify_pi_error(bio);
7835 : 0 : }
7836 : :
7837 : 53 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7838 : 53 : }
7839 : :
7840 : : static void
7841 : 102 : bdev_nvme_comparev_and_writev_done(void *ref, const struct spdk_nvme_cpl *cpl)
7842 : : {
7843 : 102 : struct nvme_bdev_io *bio = ref;
7844 : :
7845 : : /* Compare operation completion */
7846 [ + + + + : 102 : if (!bio->first_fused_completed) {
# # # # ]
7847 : : /* Save compare result for write callback */
7848 [ # # ]: 51 : bio->cpl = *cpl;
7849 [ # # # # ]: 51 : bio->first_fused_completed = true;
7850 : 51 : return;
7851 : : }
7852 : :
7853 : : /* Write operation completion */
7854 [ + + - + : 51 : if (spdk_nvme_cpl_is_error(&bio->cpl)) {
# # # # #
# # # # #
# # # # #
# ]
7855 : : /* If bio->cpl is already an error, it means the compare operation failed. In that case,
7856 : : * complete the IO with the compare operation's status.
7857 : : */
7858 [ + + + - : 39 : if (!spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
7859 : 3 : SPDK_ERRLOG("Unexpected write success after compare failure.\n");
7860 : 0 : }
7861 : :
7862 [ # # ]: 39 : bdev_nvme_io_complete_nvme_status(bio, &bio->cpl);
7863 : 0 : } else {
7864 : 12 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7865 : : }
7866 : 0 : }
7867 : :
7868 : : static void
7869 : 956395 : bdev_nvme_queued_done(void *ref, const struct spdk_nvme_cpl *cpl)
7870 : : {
7871 : 956395 : struct nvme_bdev_io *bio = ref;
7872 : :
7873 : 956395 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7874 : 956395 : }
7875 : :
7876 : : static int
7877 : 40 : fill_zone_from_report(struct spdk_bdev_zone_info *info, struct spdk_nvme_zns_zone_desc *desc)
7878 : : {
7879 [ + - # # ]: 40 : switch (desc->zt) {
7880 : 40 : case SPDK_NVME_ZONE_TYPE_SEQWR:
7881 [ # # # # ]: 40 : info->type = SPDK_BDEV_ZONE_TYPE_SEQWR;
7882 : 40 : break;
7883 : 0 : default:
7884 [ # # ]: 0 : SPDK_ERRLOG("Invalid zone type: %#x in zone report\n", desc->zt);
7885 : 0 : return -EIO;
7886 : : }
7887 : :
7888 [ + - - - : 40 : switch (desc->zs) {
- - - - #
# ]
7889 : 40 : case SPDK_NVME_ZONE_STATE_EMPTY:
7890 [ # # # # ]: 40 : info->state = SPDK_BDEV_ZONE_STATE_EMPTY;
7891 : 40 : break;
7892 : 0 : case SPDK_NVME_ZONE_STATE_IOPEN:
7893 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_IMP_OPEN;
7894 : 0 : break;
7895 : 0 : case SPDK_NVME_ZONE_STATE_EOPEN:
7896 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_EXP_OPEN;
7897 : 0 : break;
7898 : 0 : case SPDK_NVME_ZONE_STATE_CLOSED:
7899 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_CLOSED;
7900 : 0 : break;
7901 : 0 : case SPDK_NVME_ZONE_STATE_RONLY:
7902 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_READ_ONLY;
7903 : 0 : break;
7904 : 0 : case SPDK_NVME_ZONE_STATE_FULL:
7905 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_FULL;
7906 : 0 : break;
7907 : 0 : case SPDK_NVME_ZONE_STATE_OFFLINE:
7908 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_OFFLINE;
7909 : 0 : break;
7910 : 0 : default:
7911 [ # # ]: 0 : SPDK_ERRLOG("Invalid zone state: %#x in zone report\n", desc->zs);
7912 : 0 : return -EIO;
7913 : : }
7914 : :
7915 [ # # # # : 40 : info->zone_id = desc->zslba;
# # # # ]
7916 [ # # # # : 40 : info->write_pointer = desc->wp;
# # # # ]
7917 [ # # # # : 40 : info->capacity = desc->zcap;
# # # # ]
7918 : :
7919 : 40 : return 0;
7920 : 0 : }
7921 : :
7922 : : static void
7923 : 1 : bdev_nvme_get_zone_info_done(void *ref, const struct spdk_nvme_cpl *cpl)
7924 : : {
7925 : 1 : struct nvme_bdev_io *bio = ref;
7926 : 1 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7927 [ # # # # : 1 : uint64_t zone_id = bdev_io->u.zone_mgmt.zone_id;
# # # # ]
7928 [ # # # # : 1 : uint32_t zones_to_copy = bdev_io->u.zone_mgmt.num_zones;
# # # # ]
7929 [ # # # # : 1 : struct spdk_bdev_zone_info *info = bdev_io->u.zone_mgmt.buf;
# # # # ]
7930 : : uint64_t max_zones_per_buf, i;
7931 : : uint32_t zone_report_bufsize;
7932 : : struct spdk_nvme_ns *ns;
7933 : : struct spdk_nvme_qpair *qpair;
7934 : : int ret;
7935 : :
7936 [ + - - + : 1 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
7937 : 0 : goto out_complete_io_nvme_cpl;
7938 : : }
7939 : :
7940 [ - + # # : 1 : if (spdk_unlikely(!nvme_io_path_is_available(bio->io_path))) {
# # ]
7941 : 0 : ret = -ENXIO;
7942 : 0 : goto out_complete_io_ret;
7943 : : }
7944 : :
7945 [ # # # # : 1 : ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
7946 [ # # # # : 1 : qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
7947 : :
7948 : 1 : zone_report_bufsize = spdk_nvme_ns_get_max_io_xfer_size(ns);
7949 [ # # ]: 1 : max_zones_per_buf = (zone_report_bufsize - sizeof(*bio->zone_report_buf)) /
7950 : : sizeof(bio->zone_report_buf->descs[0]);
7951 : :
7952 [ - + # # : 1 : if (bio->zone_report_buf->nr_zones > max_zones_per_buf) {
# # # # #
# ]
7953 : 0 : ret = -EINVAL;
7954 : 0 : goto out_complete_io_ret;
7955 : : }
7956 : :
7957 [ - + # # : 1 : if (!bio->zone_report_buf->nr_zones) {
# # # # #
# ]
7958 : 0 : ret = -EINVAL;
7959 : 0 : goto out_complete_io_ret;
7960 : : }
7961 : :
7962 [ + + + - : 41 : for (i = 0; i < bio->zone_report_buf->nr_zones && bio->handled_zones < zones_to_copy; i++) {
# # # # #
# # # # #
# # ]
7963 [ # # # # : 40 : ret = fill_zone_from_report(&info[bio->handled_zones],
# # ]
7964 [ # # # # : 40 : &bio->zone_report_buf->descs[i]);
# # # # ]
7965 [ - + ]: 40 : if (ret) {
7966 : 0 : goto out_complete_io_ret;
7967 : : }
7968 [ # # ]: 40 : bio->handled_zones++;
7969 : 0 : }
7970 : :
7971 [ - + # # : 1 : if (bio->handled_zones < zones_to_copy) {
# # ]
7972 : 0 : uint64_t zone_size_lba = spdk_nvme_zns_ns_get_zone_size_sectors(ns);
7973 [ # # # # ]: 0 : uint64_t slba = zone_id + (zone_size_lba * bio->handled_zones);
7974 : :
7975 [ # # # # : 0 : memset(bio->zone_report_buf, 0, zone_report_bufsize);
# # ]
7976 : 0 : ret = spdk_nvme_zns_report_zones(ns, qpair,
7977 [ # # # # ]: 0 : bio->zone_report_buf, zone_report_bufsize,
7978 : 0 : slba, SPDK_NVME_ZRA_LIST_ALL, true,
7979 : 0 : bdev_nvme_get_zone_info_done, bio);
7980 [ # # ]: 0 : if (!ret) {
7981 : 0 : return;
7982 : : } else {
7983 : 0 : goto out_complete_io_ret;
7984 : : }
7985 : : }
7986 : :
7987 : 1 : out_complete_io_nvme_cpl:
7988 [ # # # # ]: 1 : free(bio->zone_report_buf);
7989 [ # # # # ]: 1 : bio->zone_report_buf = NULL;
7990 : 1 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7991 : 1 : return;
7992 : :
7993 : 0 : out_complete_io_ret:
7994 [ # # # # ]: 0 : free(bio->zone_report_buf);
7995 [ # # # # ]: 0 : bio->zone_report_buf = NULL;
7996 : 0 : bdev_nvme_io_complete(bio, ret);
7997 : 0 : }
7998 : :
7999 : : static void
8000 : 44 : bdev_nvme_zone_management_done(void *ref, const struct spdk_nvme_cpl *cpl)
8001 : : {
8002 : 44 : struct nvme_bdev_io *bio = ref;
8003 : :
8004 : 44 : bdev_nvme_io_complete_nvme_status(bio, cpl);
8005 : 44 : }
8006 : :
8007 : : static void
8008 : 135 : bdev_nvme_admin_passthru_complete_nvme_status(void *ctx)
8009 : : {
8010 : 135 : struct nvme_bdev_io *bio = ctx;
8011 : 135 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8012 [ # # ]: 135 : const struct spdk_nvme_cpl *cpl = &bio->cpl;
8013 : :
8014 [ - + # # : 135 : assert(bdev_nvme_io_type_is_admin(bdev_io->type));
# # # # ]
8015 : :
8016 : 135 : __bdev_nvme_io_complete(bdev_io, 0, cpl);
8017 : 135 : }
8018 : :
8019 : : static void
8020 : 7177 : bdev_nvme_abort_complete(void *ctx)
8021 : : {
8022 : 7177 : struct nvme_bdev_io *bio = ctx;
8023 : 7177 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8024 : :
8025 [ + - + - : 7177 : if (spdk_nvme_cpl_is_abort_success(&bio->cpl)) {
+ + # # #
# # # # #
# # # # #
# # # # #
# # # # ]
8026 : 9 : __bdev_nvme_io_complete(bdev_io, SPDK_BDEV_IO_STATUS_SUCCESS, NULL);
8027 : 0 : } else {
8028 : 7168 : __bdev_nvme_io_complete(bdev_io, SPDK_BDEV_IO_STATUS_FAILED, NULL);
8029 : : }
8030 : 7177 : }
8031 : :
8032 : : static void
8033 : 7177 : bdev_nvme_abort_done(void *ref, const struct spdk_nvme_cpl *cpl)
8034 : : {
8035 : 7177 : struct nvme_bdev_io *bio = ref;
8036 : 7177 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8037 : :
8038 [ # # ]: 7177 : bio->cpl = *cpl;
8039 : 7177 : spdk_thread_send_msg(spdk_bdev_io_get_thread(bdev_io), bdev_nvme_abort_complete, bio);
8040 : 7177 : }
8041 : :
8042 : : static void
8043 : 135 : bdev_nvme_admin_passthru_done(void *ref, const struct spdk_nvme_cpl *cpl)
8044 : : {
8045 : 135 : struct nvme_bdev_io *bio = ref;
8046 : 135 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8047 : :
8048 [ # # ]: 135 : bio->cpl = *cpl;
8049 : 135 : spdk_thread_send_msg(spdk_bdev_io_get_thread(bdev_io),
8050 : 0 : bdev_nvme_admin_passthru_complete_nvme_status, bio);
8051 : 135 : }
8052 : :
8053 : : static void
8054 : 8025966 : bdev_nvme_queued_reset_sgl(void *ref, uint32_t sgl_offset)
8055 : : {
8056 : 8025966 : struct nvme_bdev_io *bio = ref;
8057 : : struct iovec *iov;
8058 : :
8059 [ # # # # ]: 8025966 : bio->iov_offset = sgl_offset;
8060 [ + - # # : 15941722 : for (bio->iovpos = 0; bio->iovpos < bio->iovcnt; bio->iovpos++) {
# # # # #
# # # # #
# # # # ]
8061 [ # # # # : 15941722 : iov = &bio->iovs[bio->iovpos];
# # # # #
# ]
8062 [ + + # # : 15941722 : if (bio->iov_offset < iov->iov_len) {
# # # # #
# ]
8063 : 8025966 : break;
8064 : : }
8065 : :
8066 [ # # # # : 7915756 : bio->iov_offset -= iov->iov_len;
# # # # ]
8067 : 0 : }
8068 : 8025966 : }
8069 : :
8070 : : static int
8071 : 23128800 : bdev_nvme_queued_next_sge(void *ref, void **address, uint32_t *length)
8072 : : {
8073 : 23128800 : struct nvme_bdev_io *bio = ref;
8074 : : struct iovec *iov;
8075 : :
8076 [ - + # # : 23128800 : assert(bio->iovpos < bio->iovcnt);
# # # # #
# # # ]
8077 : :
8078 [ # # # # : 23128800 : iov = &bio->iovs[bio->iovpos];
# # # # #
# ]
8079 : :
8080 [ # # # # : 23128800 : *address = iov->iov_base;
# # ]
8081 [ # # # # : 23128800 : *length = iov->iov_len;
# # ]
8082 : :
8083 [ + + # # : 23128800 : if (bio->iov_offset) {
# # ]
8084 [ - + # # : 110654 : assert(bio->iov_offset <= iov->iov_len);
# # # # #
# # # ]
8085 [ # # # # : 110654 : *address += bio->iov_offset;
# # ]
8086 [ # # # # : 110654 : *length -= bio->iov_offset;
# # ]
8087 : 0 : }
8088 : :
8089 [ # # # # : 23128800 : bio->iov_offset += *length;
# # ]
8090 [ + - # # : 23128800 : if (bio->iov_offset == iov->iov_len) {
# # # # #
# ]
8091 [ # # # # ]: 23128800 : bio->iovpos++;
8092 [ # # # # ]: 23128800 : bio->iov_offset = 0;
8093 : 0 : }
8094 : :
8095 : 23128800 : return 0;
8096 : : }
8097 : :
8098 : : static void
8099 : 90 : bdev_nvme_queued_reset_fused_sgl(void *ref, uint32_t sgl_offset)
8100 : : {
8101 : 90 : struct nvme_bdev_io *bio = ref;
8102 : : struct iovec *iov;
8103 : :
8104 [ # # # # ]: 90 : bio->fused_iov_offset = sgl_offset;
8105 [ + - # # : 90 : for (bio->fused_iovpos = 0; bio->fused_iovpos < bio->fused_iovcnt; bio->fused_iovpos++) {
# # # # #
# # # # #
# # # # ]
8106 [ # # # # : 90 : iov = &bio->fused_iovs[bio->fused_iovpos];
# # # # #
# ]
8107 [ + - # # : 90 : if (bio->fused_iov_offset < iov->iov_len) {
# # # # #
# ]
8108 : 90 : break;
8109 : : }
8110 : :
8111 [ # # # # : 0 : bio->fused_iov_offset -= iov->iov_len;
# # # # ]
8112 : 0 : }
8113 : 90 : }
8114 : :
8115 : : static int
8116 : 90 : bdev_nvme_queued_next_fused_sge(void *ref, void **address, uint32_t *length)
8117 : : {
8118 : 90 : struct nvme_bdev_io *bio = ref;
8119 : : struct iovec *iov;
8120 : :
8121 [ - + # # : 90 : assert(bio->fused_iovpos < bio->fused_iovcnt);
# # # # #
# # # ]
8122 : :
8123 [ # # # # : 90 : iov = &bio->fused_iovs[bio->fused_iovpos];
# # # # #
# ]
8124 : :
8125 [ # # # # : 90 : *address = iov->iov_base;
# # ]
8126 [ # # # # : 90 : *length = iov->iov_len;
# # ]
8127 : :
8128 [ - + # # : 90 : if (bio->fused_iov_offset) {
# # ]
8129 [ # # # # : 0 : assert(bio->fused_iov_offset <= iov->iov_len);
# # # # #
# # # ]
8130 [ # # # # : 0 : *address += bio->fused_iov_offset;
# # ]
8131 [ # # # # : 0 : *length -= bio->fused_iov_offset;
# # ]
8132 : 0 : }
8133 : :
8134 [ # # # # : 90 : bio->fused_iov_offset += *length;
# # ]
8135 [ + - # # : 90 : if (bio->fused_iov_offset == iov->iov_len) {
# # # # #
# ]
8136 [ # # # # ]: 90 : bio->fused_iovpos++;
8137 [ # # # # ]: 90 : bio->fused_iov_offset = 0;
8138 : 0 : }
8139 : :
8140 : 90 : return 0;
8141 : : }
8142 : :
8143 : : static int
8144 : 0 : bdev_nvme_no_pi_readv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8145 : : void *md, uint64_t lba_count, uint64_t lba)
8146 : : {
8147 : : int rc;
8148 : :
8149 [ # # # # : 0 : SPDK_DEBUGLOG(bdev_nvme, "read %" PRIu64 " blocks with offset %#" PRIx64 " without PI check\n",
# # ]
8150 : : lba_count, lba);
8151 : :
8152 [ # # # # ]: 0 : bio->iovs = iov;
8153 [ # # # # ]: 0 : bio->iovcnt = iovcnt;
8154 [ # # # # ]: 0 : bio->iovpos = 0;
8155 [ # # # # ]: 0 : bio->iov_offset = 0;
8156 : :
8157 [ # # # # : 0 : rc = spdk_nvme_ns_cmd_readv_with_md(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8158 [ # # # # : 0 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8159 : 0 : lba, lba_count,
8160 : 0 : bdev_nvme_no_pi_readv_done, bio, 0,
8161 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge,
8162 : 0 : md, 0, 0);
8163 : :
8164 [ # # # # ]: 0 : if (rc != 0 && rc != -ENOMEM) {
8165 : 0 : SPDK_ERRLOG("no_pi_readv failed: rc = %d\n", rc);
8166 : 0 : }
8167 : 0 : return rc;
8168 : : }
8169 : :
8170 : : static int
8171 : 21211280 : bdev_nvme_readv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8172 : : void *md, uint64_t lba_count, uint64_t lba, uint32_t flags,
8173 : : struct spdk_memory_domain *domain, void *domain_ctx,
8174 : : struct spdk_accel_sequence *seq)
8175 : : {
8176 [ + - + - : 21211280 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
+ - + - +
- + - ]
8177 [ + - + - : 21211280 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
+ - + - +
- + - ]
8178 : : int rc;
8179 : :
8180 [ + + + + : 21211280 : SPDK_DEBUGLOG(bdev_nvme, "read %" PRIu64 " blocks with offset %#" PRIx64 "\n",
+ - ]
8181 : : lba_count, lba);
8182 : :
8183 [ + - + - ]: 21211280 : bio->iovs = iov;
8184 [ + - + - ]: 21211280 : bio->iovcnt = iovcnt;
8185 [ + - + - ]: 21211280 : bio->iovpos = 0;
8186 [ + - + - ]: 21211280 : bio->iov_offset = 0;
8187 : :
8188 [ + + + + ]: 21211280 : if (domain != NULL || seq != NULL) {
8189 [ # # # # : 364699 : bio->ext_opts.size = SPDK_SIZEOF(&bio->ext_opts, accel_sequence);
# # ]
8190 [ # # # # : 364699 : bio->ext_opts.memory_domain = domain;
# # ]
8191 [ # # # # : 364699 : bio->ext_opts.memory_domain_ctx = domain_ctx;
# # ]
8192 [ # # # # : 364699 : bio->ext_opts.io_flags = flags;
# # ]
8193 [ # # # # : 364699 : bio->ext_opts.metadata = md;
# # ]
8194 [ # # # # : 364699 : bio->ext_opts.accel_sequence = seq;
# # ]
8195 : :
8196 [ + - ]: 364699 : if (iovcnt == 1) {
8197 [ # # # # : 364699 : rc = spdk_nvme_ns_cmd_read_ext(ns, qpair, iov[0].iov_base, lba, lba_count, bdev_nvme_readv_done,
# # ]
8198 [ # # ]: 0 : bio, &bio->ext_opts);
8199 : 0 : } else {
8200 : 0 : rc = spdk_nvme_ns_cmd_readv_ext(ns, qpair, lba, lba_count,
8201 : 0 : bdev_nvme_readv_done, bio,
8202 : : bdev_nvme_queued_reset_sgl,
8203 : : bdev_nvme_queued_next_sge,
8204 [ # # ]: 0 : &bio->ext_opts);
8205 : : }
8206 [ + + ]: 20846581 : } else if (iovcnt == 1) {
8207 [ - + - + : 20058488 : rc = spdk_nvme_ns_cmd_read_with_md(ns, qpair, iov[0].iov_base,
- + ]
8208 : 3 : md, lba, lba_count, bdev_nvme_readv_done,
8209 : 3 : bio, flags, 0, 0);
8210 : 3 : } else {
8211 : 788093 : rc = spdk_nvme_ns_cmd_readv_with_md(ns, qpair, lba, lba_count,
8212 : 0 : bdev_nvme_readv_done, bio, flags,
8213 : : bdev_nvme_queued_reset_sgl,
8214 : 0 : bdev_nvme_queued_next_sge, md, 0, 0);
8215 : : }
8216 : :
8217 [ + + + + ]: 21211280 : if (spdk_unlikely(rc != 0 && rc != -ENOMEM)) {
8218 : 0 : SPDK_ERRLOG("readv failed: rc = %d\n", rc);
8219 : 0 : }
8220 : 21211280 : return rc;
8221 : : }
8222 : :
8223 : : static int
8224 : 20620418 : bdev_nvme_writev(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8225 : : void *md, uint64_t lba_count, uint64_t lba, uint32_t flags,
8226 : : struct spdk_memory_domain *domain, void *domain_ctx,
8227 : : struct spdk_accel_sequence *seq,
8228 : : union spdk_bdev_nvme_cdw12 cdw12, union spdk_bdev_nvme_cdw13 cdw13)
8229 : : {
8230 [ # # # # : 20620418 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8231 [ # # # # : 20620418 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8232 : : int rc;
8233 : :
8234 [ - + - + : 20620418 : SPDK_DEBUGLOG(bdev_nvme, "write %" PRIu64 " blocks with offset %#" PRIx64 "\n",
# # ]
8235 : : lba_count, lba);
8236 : :
8237 [ # # # # ]: 20620418 : bio->iovs = iov;
8238 [ # # # # ]: 20620418 : bio->iovcnt = iovcnt;
8239 [ # # # # ]: 20620418 : bio->iovpos = 0;
8240 [ # # # # ]: 20620418 : bio->iov_offset = 0;
8241 : :
8242 [ + + - + ]: 20620418 : if (domain != NULL || seq != NULL) {
8243 [ # # # # : 201515 : bio->ext_opts.size = SPDK_SIZEOF(&bio->ext_opts, accel_sequence);
# # ]
8244 [ # # # # : 201515 : bio->ext_opts.memory_domain = domain;
# # ]
8245 [ # # # # : 201515 : bio->ext_opts.memory_domain_ctx = domain_ctx;
# # ]
8246 [ - + # # : 201515 : bio->ext_opts.io_flags = flags | SPDK_NVME_IO_FLAGS_DIRECTIVE(cdw12.write.dtype);
# # # # #
# ]
8247 [ # # # # : 201515 : bio->ext_opts.cdw13 = cdw13.raw;
# # ]
8248 [ # # # # : 201515 : bio->ext_opts.metadata = md;
# # ]
8249 [ # # # # : 201515 : bio->ext_opts.accel_sequence = seq;
# # ]
8250 : :
8251 [ + - ]: 201515 : if (iovcnt == 1) {
8252 [ # # # # : 201515 : rc = spdk_nvme_ns_cmd_write_ext(ns, qpair, iov[0].iov_base, lba, lba_count, bdev_nvme_writev_done,
# # ]
8253 [ # # ]: 0 : bio, &bio->ext_opts);
8254 : 0 : } else {
8255 : 0 : rc = spdk_nvme_ns_cmd_writev_ext(ns, qpair, lba, lba_count,
8256 : 0 : bdev_nvme_writev_done, bio,
8257 : : bdev_nvme_queued_reset_sgl,
8258 : : bdev_nvme_queued_next_sge,
8259 [ # # ]: 0 : &bio->ext_opts);
8260 : : }
8261 [ + + ]: 20418903 : } else if (iovcnt == 1) {
8262 [ # # # # : 18917369 : rc = spdk_nvme_ns_cmd_write_with_md(ns, qpair, iov[0].iov_base,
# # ]
8263 : 0 : md, lba, lba_count, bdev_nvme_writev_done,
8264 : 0 : bio, flags, 0, 0);
8265 : 0 : } else {
8266 : 1501534 : rc = spdk_nvme_ns_cmd_writev_with_md(ns, qpair, lba, lba_count,
8267 : 0 : bdev_nvme_writev_done, bio, flags,
8268 : : bdev_nvme_queued_reset_sgl,
8269 : 0 : bdev_nvme_queued_next_sge, md, 0, 0);
8270 : : }
8271 : :
8272 [ + + - + ]: 20620418 : if (spdk_unlikely(rc != 0 && rc != -ENOMEM)) {
8273 : 0 : SPDK_ERRLOG("writev failed: rc = %d\n", rc);
8274 : 0 : }
8275 : 20620418 : return rc;
8276 : : }
8277 : :
8278 : : static int
8279 : 229211 : bdev_nvme_zone_appendv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8280 : : void *md, uint64_t lba_count, uint64_t zslba,
8281 : : uint32_t flags)
8282 : : {
8283 [ # # # # : 229211 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8284 [ # # # # : 229211 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8285 : : int rc;
8286 : :
8287 [ - + # # : 229211 : SPDK_DEBUGLOG(bdev_nvme, "zone append %" PRIu64 " blocks to zone start lba %#" PRIx64 "\n",
# # ]
8288 : : lba_count, zslba);
8289 : :
8290 [ # # # # ]: 229211 : bio->iovs = iov;
8291 [ # # # # ]: 229211 : bio->iovcnt = iovcnt;
8292 [ # # # # ]: 229211 : bio->iovpos = 0;
8293 [ # # # # ]: 229211 : bio->iov_offset = 0;
8294 : :
8295 [ + - ]: 229211 : if (iovcnt == 1) {
8296 [ # # # # : 229211 : rc = spdk_nvme_zns_zone_append_with_md(ns, qpair, iov[0].iov_base, md, zslba,
# # ]
8297 : 0 : lba_count,
8298 : 0 : bdev_nvme_zone_appendv_done, bio,
8299 : 0 : flags,
8300 : : 0, 0);
8301 : 0 : } else {
8302 : 0 : rc = spdk_nvme_zns_zone_appendv_with_md(ns, qpair, zslba, lba_count,
8303 : 0 : bdev_nvme_zone_appendv_done, bio, flags,
8304 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge,
8305 : 0 : md, 0, 0);
8306 : : }
8307 : :
8308 [ - + - - ]: 229211 : if (rc != 0 && rc != -ENOMEM) {
8309 : 0 : SPDK_ERRLOG("zone append failed: rc = %d\n", rc);
8310 : 0 : }
8311 : 229211 : return rc;
8312 : : }
8313 : :
8314 : : static int
8315 : 53 : bdev_nvme_comparev(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8316 : : void *md, uint64_t lba_count, uint64_t lba,
8317 : : uint32_t flags)
8318 : : {
8319 : : int rc;
8320 : :
8321 [ - + - + : 53 : SPDK_DEBUGLOG(bdev_nvme, "compare %" PRIu64 " blocks with offset %#" PRIx64 "\n",
# # ]
8322 : : lba_count, lba);
8323 : :
8324 [ # # # # ]: 53 : bio->iovs = iov;
8325 [ # # # # ]: 53 : bio->iovcnt = iovcnt;
8326 [ # # # # ]: 53 : bio->iovpos = 0;
8327 [ # # # # ]: 53 : bio->iov_offset = 0;
8328 : :
8329 [ # # # # : 53 : rc = spdk_nvme_ns_cmd_comparev_with_md(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8330 [ # # # # : 53 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8331 : 0 : lba, lba_count,
8332 : 0 : bdev_nvme_comparev_done, bio, flags,
8333 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge,
8334 : 0 : md, 0, 0);
8335 : :
8336 [ - + - - ]: 53 : if (rc != 0 && rc != -ENOMEM) {
8337 : 0 : SPDK_ERRLOG("comparev failed: rc = %d\n", rc);
8338 : 0 : }
8339 : 53 : return rc;
8340 : : }
8341 : :
8342 : : static int
8343 : 51 : bdev_nvme_comparev_and_writev(struct nvme_bdev_io *bio, struct iovec *cmp_iov, int cmp_iovcnt,
8344 : : struct iovec *write_iov, int write_iovcnt,
8345 : : void *md, uint64_t lba_count, uint64_t lba, uint32_t flags)
8346 : : {
8347 [ # # # # : 51 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8348 [ # # # # : 51 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8349 : 51 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8350 : : int rc;
8351 : :
8352 [ - + - + : 51 : SPDK_DEBUGLOG(bdev_nvme, "compare and write %" PRIu64 " blocks with offset %#" PRIx64 "\n",
# # ]
8353 : : lba_count, lba);
8354 : :
8355 [ # # # # ]: 51 : bio->iovs = cmp_iov;
8356 [ # # # # ]: 51 : bio->iovcnt = cmp_iovcnt;
8357 [ # # # # ]: 51 : bio->iovpos = 0;
8358 [ # # # # ]: 51 : bio->iov_offset = 0;
8359 [ # # # # ]: 51 : bio->fused_iovs = write_iov;
8360 [ # # # # ]: 51 : bio->fused_iovcnt = write_iovcnt;
8361 [ # # # # ]: 51 : bio->fused_iovpos = 0;
8362 [ # # # # ]: 51 : bio->fused_iov_offset = 0;
8363 : :
8364 [ + - # # : 51 : if (bdev_io->num_retries == 0) {
# # ]
8365 [ # # # # ]: 51 : bio->first_fused_submitted = false;
8366 [ # # # # ]: 51 : bio->first_fused_completed = false;
8367 : 0 : }
8368 : :
8369 [ + + + - : 51 : if (!bio->first_fused_submitted) {
# # # # ]
8370 [ # # # # ]: 51 : flags |= SPDK_NVME_IO_FLAGS_FUSE_FIRST;
8371 [ - + # # ]: 51 : memset(&bio->cpl, 0, sizeof(bio->cpl));
8372 : :
8373 : 51 : rc = spdk_nvme_ns_cmd_comparev_with_md(ns, qpair, lba, lba_count,
8374 : 0 : bdev_nvme_comparev_and_writev_done, bio, flags,
8375 : 0 : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge, md, 0, 0);
8376 [ + - ]: 51 : if (rc == 0) {
8377 [ # # # # ]: 51 : bio->first_fused_submitted = true;
8378 [ # # # # ]: 51 : flags &= ~SPDK_NVME_IO_FLAGS_FUSE_FIRST;
8379 : 0 : } else {
8380 [ # # ]: 0 : if (rc != -ENOMEM) {
8381 : 0 : SPDK_ERRLOG("compare failed: rc = %d\n", rc);
8382 : 0 : }
8383 : 0 : return rc;
8384 : : }
8385 : 0 : }
8386 : :
8387 [ # # # # ]: 51 : flags |= SPDK_NVME_IO_FLAGS_FUSE_SECOND;
8388 : :
8389 : 51 : rc = spdk_nvme_ns_cmd_writev_with_md(ns, qpair, lba, lba_count,
8390 : 0 : bdev_nvme_comparev_and_writev_done, bio, flags,
8391 : 0 : bdev_nvme_queued_reset_fused_sgl, bdev_nvme_queued_next_fused_sge, md, 0, 0);
8392 [ - + - - ]: 51 : if (rc != 0 && rc != -ENOMEM) {
8393 : 0 : SPDK_ERRLOG("write failed: rc = %d\n", rc);
8394 : 0 : rc = 0;
8395 : 0 : }
8396 : :
8397 : 51 : return rc;
8398 : 0 : }
8399 : :
8400 : : static int
8401 : 268295 : bdev_nvme_unmap(struct nvme_bdev_io *bio, uint64_t offset_blocks, uint64_t num_blocks)
8402 : : {
8403 : 176172 : struct spdk_nvme_dsm_range dsm_ranges[SPDK_NVME_DATASET_MANAGEMENT_MAX_RANGES];
8404 : : struct spdk_nvme_dsm_range *range;
8405 : : uint64_t offset, remaining;
8406 : : uint64_t num_ranges_u64;
8407 : : uint16_t num_ranges;
8408 : : int rc;
8409 : :
8410 [ # # ]: 268295 : num_ranges_u64 = (num_blocks + SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS - 1) /
8411 : : SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8412 [ - + ]: 268295 : if (num_ranges_u64 > SPDK_COUNTOF(dsm_ranges)) {
8413 : 0 : SPDK_ERRLOG("Unmap request for %" PRIu64 " blocks is too large\n", num_blocks);
8414 : 0 : return -EINVAL;
8415 : : }
8416 : 268295 : num_ranges = (uint16_t)num_ranges_u64;
8417 : :
8418 : 268295 : offset = offset_blocks;
8419 : 268295 : remaining = num_blocks;
8420 [ # # # # ]: 268295 : range = &dsm_ranges[0];
8421 : :
8422 : : /* Fill max-size ranges until the remaining blocks fit into one range */
8423 [ + + ]: 268297 : while (remaining > SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS) {
8424 [ # # # # : 2 : range->attributes.raw = 0;
# # ]
8425 [ # # # # ]: 2 : range->length = SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8426 [ # # # # ]: 2 : range->starting_lba = offset;
8427 : :
8428 : 2 : offset += SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8429 : 2 : remaining -= SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8430 [ # # ]: 2 : range++;
8431 : : }
8432 : :
8433 : : /* Final range describes the remaining blocks */
8434 [ # # # # : 268295 : range->attributes.raw = 0;
# # ]
8435 [ # # # # ]: 268295 : range->length = remaining;
8436 [ # # # # ]: 268295 : range->starting_lba = offset;
8437 : :
8438 [ # # # # : 268295 : rc = spdk_nvme_ns_cmd_dataset_management(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8439 [ # # # # : 268295 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8440 : : SPDK_NVME_DSM_ATTR_DEALLOCATE,
8441 : 0 : dsm_ranges, num_ranges,
8442 : 0 : bdev_nvme_queued_done, bio);
8443 : :
8444 : 268295 : return rc;
8445 : 0 : }
8446 : :
8447 : : static int
8448 : 692146 : bdev_nvme_write_zeroes(struct nvme_bdev_io *bio, uint64_t offset_blocks, uint64_t num_blocks)
8449 : : {
8450 [ - + ]: 692146 : if (num_blocks > UINT16_MAX + 1) {
8451 : 0 : SPDK_ERRLOG("NVMe write zeroes is limited to 16-bit block count\n");
8452 : 0 : return -EINVAL;
8453 : : }
8454 : :
8455 [ # # # # : 692146 : return spdk_nvme_ns_cmd_write_zeroes(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8456 [ # # # # : 692146 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8457 : 0 : offset_blocks, num_blocks,
8458 : 0 : bdev_nvme_queued_done, bio,
8459 : : 0);
8460 : 0 : }
8461 : :
8462 : : static int
8463 : 1 : bdev_nvme_get_zone_info(struct nvme_bdev_io *bio, uint64_t zone_id, uint32_t num_zones,
8464 : : struct spdk_bdev_zone_info *info)
8465 : : {
8466 [ # # # # : 1 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8467 [ # # # # : 1 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8468 : 1 : uint32_t zone_report_bufsize = spdk_nvme_ns_get_max_io_xfer_size(ns);
8469 : 1 : uint64_t zone_size = spdk_nvme_zns_ns_get_zone_size_sectors(ns);
8470 : 1 : uint64_t total_zones = spdk_nvme_zns_ns_get_num_zones(ns);
8471 : :
8472 [ - + # # ]: 1 : if (zone_id % zone_size != 0) {
8473 : 0 : return -EINVAL;
8474 : : }
8475 : :
8476 [ + - - + ]: 1 : if (num_zones > total_zones || !num_zones) {
8477 : 0 : return -EINVAL;
8478 : : }
8479 : :
8480 [ - + # # : 1 : assert(!bio->zone_report_buf);
# # # # ]
8481 [ # # # # ]: 1 : bio->zone_report_buf = calloc(1, zone_report_bufsize);
8482 [ - + # # : 1 : if (!bio->zone_report_buf) {
# # ]
8483 : 0 : return -ENOMEM;
8484 : : }
8485 : :
8486 [ # # # # ]: 1 : bio->handled_zones = 0;
8487 : :
8488 [ # # # # ]: 1 : return spdk_nvme_zns_report_zones(ns, qpair, bio->zone_report_buf, zone_report_bufsize,
8489 : 0 : zone_id, SPDK_NVME_ZRA_LIST_ALL, true,
8490 : 0 : bdev_nvme_get_zone_info_done, bio);
8491 : 0 : }
8492 : :
8493 : : static int
8494 : 44 : bdev_nvme_zone_management(struct nvme_bdev_io *bio, uint64_t zone_id,
8495 : : enum spdk_bdev_zone_action action)
8496 : : {
8497 [ # # # # : 44 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8498 [ # # # # : 44 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8499 : :
8500 [ - - - + : 44 : switch (action) {
- - ]
8501 : 0 : case SPDK_BDEV_ZONE_CLOSE:
8502 : 0 : return spdk_nvme_zns_close_zone(ns, qpair, zone_id, false,
8503 : 0 : bdev_nvme_zone_management_done, bio);
8504 : 0 : case SPDK_BDEV_ZONE_FINISH:
8505 : 0 : return spdk_nvme_zns_finish_zone(ns, qpair, zone_id, false,
8506 : 0 : bdev_nvme_zone_management_done, bio);
8507 : 0 : case SPDK_BDEV_ZONE_OPEN:
8508 : 0 : return spdk_nvme_zns_open_zone(ns, qpair, zone_id, false,
8509 : 0 : bdev_nvme_zone_management_done, bio);
8510 : 44 : case SPDK_BDEV_ZONE_RESET:
8511 : 44 : return spdk_nvme_zns_reset_zone(ns, qpair, zone_id, false,
8512 : 0 : bdev_nvme_zone_management_done, bio);
8513 : 0 : case SPDK_BDEV_ZONE_OFFLINE:
8514 : 0 : return spdk_nvme_zns_offline_zone(ns, qpair, zone_id, false,
8515 : 0 : bdev_nvme_zone_management_done, bio);
8516 : 0 : default:
8517 : 0 : return -EINVAL;
8518 : : }
8519 : 0 : }
8520 : :
8521 : : static void
8522 : 138 : bdev_nvme_admin_passthru(struct nvme_bdev_channel *nbdev_ch, struct nvme_bdev_io *bio,
8523 : : struct spdk_nvme_cmd *cmd, void *buf, size_t nbytes)
8524 : : {
8525 : : struct nvme_io_path *io_path;
8526 : : struct nvme_ctrlr *nvme_ctrlr;
8527 : : uint32_t max_xfer_size;
8528 : 138 : int rc = -ENXIO;
8529 : :
8530 : : /* Choose the first ctrlr which is not failed. */
8531 [ + + # # : 147 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
8532 [ # # # # : 144 : nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
8533 : :
8534 : : /* We should skip any unavailable nvme_ctrlr rather than checking
8535 : : * if the return value of spdk_nvme_ctrlr_cmd_admin_raw() is -ENXIO.
8536 : : */
8537 [ + + ]: 144 : if (!nvme_ctrlr_is_available(nvme_ctrlr)) {
8538 : 9 : continue;
8539 : : }
8540 : :
8541 [ # # # # ]: 135 : max_xfer_size = spdk_nvme_ctrlr_get_max_xfer_size(nvme_ctrlr->ctrlr);
8542 : :
8543 [ - + ]: 135 : if (nbytes > max_xfer_size) {
8544 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8545 : 0 : rc = -EINVAL;
8546 : 0 : goto err;
8547 : : }
8548 : :
8549 [ # # # # ]: 135 : rc = spdk_nvme_ctrlr_cmd_admin_raw(nvme_ctrlr->ctrlr, cmd, buf, (uint32_t)nbytes,
8550 : 0 : bdev_nvme_admin_passthru_done, bio);
8551 [ + - ]: 135 : if (rc == 0) {
8552 : 135 : return;
8553 : : }
8554 : 0 : }
8555 : :
8556 : 3 : err:
8557 : 3 : bdev_nvme_admin_complete(bio, rc);
8558 : 0 : }
8559 : :
8560 : : static int
8561 : 108 : bdev_nvme_io_passthru(struct nvme_bdev_io *bio, struct spdk_nvme_cmd *cmd,
8562 : : void *buf, size_t nbytes)
8563 : : {
8564 [ # # # # : 108 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8565 [ # # # # : 108 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8566 : 108 : uint32_t max_xfer_size = spdk_nvme_ns_get_max_io_xfer_size(ns);
8567 : 108 : struct spdk_nvme_ctrlr *ctrlr = spdk_nvme_ns_get_ctrlr(ns);
8568 : :
8569 [ - + ]: 108 : if (nbytes > max_xfer_size) {
8570 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8571 : 0 : return -EINVAL;
8572 : : }
8573 : :
8574 : : /*
8575 : : * Each NVMe bdev is a specific namespace, and all NVMe I/O commands require a nsid,
8576 : : * so fill it out automatically.
8577 : : */
8578 [ # # # # ]: 108 : cmd->nsid = spdk_nvme_ns_get_id(ns);
8579 : :
8580 : 108 : return spdk_nvme_ctrlr_cmd_io_raw(ctrlr, qpair, cmd, buf,
8581 : 0 : (uint32_t)nbytes, bdev_nvme_queued_done, bio);
8582 : 0 : }
8583 : :
8584 : : static int
8585 : 0 : bdev_nvme_io_passthru_md(struct nvme_bdev_io *bio, struct spdk_nvme_cmd *cmd,
8586 : : void *buf, size_t nbytes, void *md_buf, size_t md_len)
8587 : : {
8588 [ # # # # : 0 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8589 [ # # # # : 0 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8590 [ # # ]: 0 : size_t nr_sectors = nbytes / spdk_nvme_ns_get_extended_sector_size(ns);
8591 : 0 : uint32_t max_xfer_size = spdk_nvme_ns_get_max_io_xfer_size(ns);
8592 : 0 : struct spdk_nvme_ctrlr *ctrlr = spdk_nvme_ns_get_ctrlr(ns);
8593 : :
8594 [ # # ]: 0 : if (nbytes > max_xfer_size) {
8595 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8596 : 0 : return -EINVAL;
8597 : : }
8598 : :
8599 [ # # ]: 0 : if (md_len != nr_sectors * spdk_nvme_ns_get_md_size(ns)) {
8600 : 0 : SPDK_ERRLOG("invalid meta data buffer size\n");
8601 : 0 : return -EINVAL;
8602 : : }
8603 : :
8604 : : /*
8605 : : * Each NVMe bdev is a specific namespace, and all NVMe I/O commands require a nsid,
8606 : : * so fill it out automatically.
8607 : : */
8608 [ # # # # ]: 0 : cmd->nsid = spdk_nvme_ns_get_id(ns);
8609 : :
8610 : 0 : return spdk_nvme_ctrlr_cmd_io_raw_with_md(ctrlr, qpair, cmd, buf,
8611 : 0 : (uint32_t)nbytes, md_buf, bdev_nvme_queued_done, bio);
8612 : 0 : }
8613 : :
8614 : : static int
8615 : 0 : bdev_nvme_iov_passthru_md(struct nvme_bdev_io *bio,
8616 : : struct spdk_nvme_cmd *cmd, struct iovec *iov, int iovcnt,
8617 : : size_t nbytes, void *md_buf, size_t md_len)
8618 : : {
8619 [ # # # # : 0 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8620 [ # # # # : 0 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8621 [ # # ]: 0 : size_t nr_sectors = nbytes / spdk_nvme_ns_get_extended_sector_size(ns);
8622 : 0 : uint32_t max_xfer_size = spdk_nvme_ns_get_max_io_xfer_size(ns);
8623 : 0 : struct spdk_nvme_ctrlr *ctrlr = spdk_nvme_ns_get_ctrlr(ns);
8624 : :
8625 [ # # # # ]: 0 : bio->iovs = iov;
8626 [ # # # # ]: 0 : bio->iovcnt = iovcnt;
8627 [ # # # # ]: 0 : bio->iovpos = 0;
8628 [ # # # # ]: 0 : bio->iov_offset = 0;
8629 : :
8630 [ # # ]: 0 : if (nbytes > max_xfer_size) {
8631 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8632 : 0 : return -EINVAL;
8633 : : }
8634 : :
8635 [ # # ]: 0 : if (md_len != nr_sectors * spdk_nvme_ns_get_md_size(ns)) {
8636 : 0 : SPDK_ERRLOG("invalid meta data buffer size\n");
8637 : 0 : return -EINVAL;
8638 : : }
8639 : :
8640 : : /*
8641 : : * Each NVMe bdev is a specific namespace, and all NVMe I/O commands
8642 : : * require a nsid, so fill it out automatically.
8643 : : */
8644 [ # # # # ]: 0 : cmd->nsid = spdk_nvme_ns_get_id(ns);
8645 : :
8646 : 0 : return spdk_nvme_ctrlr_cmd_iov_raw_with_md(
8647 : 0 : ctrlr, qpair, cmd, (uint32_t)nbytes, md_buf, bdev_nvme_queued_done, bio,
8648 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge);
8649 : 0 : }
8650 : :
8651 : : static void
8652 : 7186 : bdev_nvme_abort(struct nvme_bdev_channel *nbdev_ch, struct nvme_bdev_io *bio,
8653 : : struct nvme_bdev_io *bio_to_abort)
8654 : : {
8655 : : struct nvme_io_path *io_path;
8656 : 7186 : int rc = 0;
8657 : :
8658 : 7186 : rc = bdev_nvme_abort_retry_io(nbdev_ch, bio_to_abort);
8659 [ + + ]: 7186 : if (rc == 0) {
8660 : 3 : bdev_nvme_admin_complete(bio, 0);
8661 : 3 : return;
8662 : : }
8663 : :
8664 [ # # # # ]: 7183 : io_path = bio_to_abort->io_path;
8665 [ + + ]: 7183 : if (io_path != NULL) {
8666 [ # # # # : 7177 : rc = spdk_nvme_ctrlr_cmd_abort_ext(io_path->qpair->ctrlr->ctrlr,
# # # # #
# # # ]
8667 [ # # # # : 7177 : io_path->qpair->qpair,
# # # # ]
8668 : 0 : bio_to_abort,
8669 : 0 : bdev_nvme_abort_done, bio);
8670 : 0 : } else {
8671 [ + + # # : 9 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
8672 [ # # # # : 6 : rc = spdk_nvme_ctrlr_cmd_abort_ext(io_path->qpair->ctrlr->ctrlr,
# # # # #
# # # ]
8673 : : NULL,
8674 : 0 : bio_to_abort,
8675 : 0 : bdev_nvme_abort_done, bio);
8676 : :
8677 [ + + ]: 6 : if (rc != -ENOENT) {
8678 : 3 : break;
8679 : : }
8680 : 0 : }
8681 : : }
8682 : :
8683 [ + + ]: 7183 : if (rc != 0) {
8684 : : /* If no command was found or there was any error, complete the abort
8685 : : * request with failure.
8686 : : */
8687 : 6 : bdev_nvme_admin_complete(bio, rc);
8688 : 0 : }
8689 : 0 : }
8690 : :
8691 : : static int
8692 : 36 : bdev_nvme_copy(struct nvme_bdev_io *bio, uint64_t dst_offset_blocks, uint64_t src_offset_blocks,
8693 : : uint64_t num_blocks)
8694 : : {
8695 : 36 : struct spdk_nvme_scc_source_range range = {
8696 : 0 : .slba = src_offset_blocks,
8697 : 36 : .nlb = num_blocks - 1
8698 : : };
8699 : :
8700 [ # # # # : 44 : return spdk_nvme_ns_cmd_copy(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8701 [ # # # # : 36 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8702 : 0 : &range, 1, dst_offset_blocks,
8703 : 0 : bdev_nvme_queued_done, bio);
8704 : : }
8705 : :
8706 : : static void
8707 : 165 : bdev_nvme_opts_config_json(struct spdk_json_write_ctx *w)
8708 : : {
8709 : : const char *action;
8710 : : uint32_t i;
8711 : :
8712 [ - + ]: 165 : if (g_opts.action_on_timeout == SPDK_BDEV_NVME_TIMEOUT_ACTION_RESET) {
8713 : 0 : action = "reset";
8714 [ + + ]: 165 : } else if (g_opts.action_on_timeout == SPDK_BDEV_NVME_TIMEOUT_ACTION_ABORT) {
8715 : 6 : action = "abort";
8716 : 0 : } else {
8717 : 159 : action = "none";
8718 : : }
8719 : :
8720 : 165 : spdk_json_write_object_begin(w);
8721 : :
8722 : 165 : spdk_json_write_named_string(w, "method", "bdev_nvme_set_options");
8723 : :
8724 : 165 : spdk_json_write_named_object_begin(w, "params");
8725 : 165 : spdk_json_write_named_string(w, "action_on_timeout", action);
8726 [ + - ]: 165 : spdk_json_write_named_uint64(w, "timeout_us", g_opts.timeout_us);
8727 [ + - ]: 165 : spdk_json_write_named_uint64(w, "timeout_admin_us", g_opts.timeout_admin_us);
8728 [ + - ]: 165 : spdk_json_write_named_uint32(w, "keep_alive_timeout_ms", g_opts.keep_alive_timeout_ms);
8729 [ + - ]: 165 : spdk_json_write_named_uint32(w, "arbitration_burst", g_opts.arbitration_burst);
8730 [ + - ]: 165 : spdk_json_write_named_uint32(w, "low_priority_weight", g_opts.low_priority_weight);
8731 [ + - ]: 165 : spdk_json_write_named_uint32(w, "medium_priority_weight", g_opts.medium_priority_weight);
8732 [ + - ]: 165 : spdk_json_write_named_uint32(w, "high_priority_weight", g_opts.high_priority_weight);
8733 [ + - ]: 165 : spdk_json_write_named_uint64(w, "nvme_adminq_poll_period_us", g_opts.nvme_adminq_poll_period_us);
8734 [ + - ]: 165 : spdk_json_write_named_uint64(w, "nvme_ioq_poll_period_us", g_opts.nvme_ioq_poll_period_us);
8735 [ + - ]: 165 : spdk_json_write_named_uint32(w, "io_queue_requests", g_opts.io_queue_requests);
8736 [ + + + - ]: 165 : spdk_json_write_named_bool(w, "delay_cmd_submit", g_opts.delay_cmd_submit);
8737 [ + - ]: 165 : spdk_json_write_named_uint32(w, "transport_retry_count", g_opts.transport_retry_count);
8738 [ + - ]: 165 : spdk_json_write_named_int32(w, "bdev_retry_count", g_opts.bdev_retry_count);
8739 [ + - ]: 165 : spdk_json_write_named_uint8(w, "transport_ack_timeout", g_opts.transport_ack_timeout);
8740 [ + - ]: 165 : spdk_json_write_named_int32(w, "ctrlr_loss_timeout_sec", g_opts.ctrlr_loss_timeout_sec);
8741 [ + - ]: 165 : spdk_json_write_named_uint32(w, "reconnect_delay_sec", g_opts.reconnect_delay_sec);
8742 [ + - ]: 165 : spdk_json_write_named_uint32(w, "fast_io_fail_timeout_sec", g_opts.fast_io_fail_timeout_sec);
8743 [ + + + - ]: 165 : spdk_json_write_named_bool(w, "disable_auto_failback", g_opts.disable_auto_failback);
8744 [ + + ]: 165 : spdk_json_write_named_bool(w, "generate_uuids", g_opts.generate_uuids);
8745 [ + - ]: 165 : spdk_json_write_named_uint8(w, "transport_tos", g_opts.transport_tos);
8746 [ + + ]: 165 : spdk_json_write_named_bool(w, "nvme_error_stat", g_opts.nvme_error_stat);
8747 [ + - ]: 165 : spdk_json_write_named_uint32(w, "rdma_srq_size", g_opts.rdma_srq_size);
8748 [ + + + - ]: 165 : spdk_json_write_named_bool(w, "io_path_stat", g_opts.io_path_stat);
8749 [ + + ]: 165 : spdk_json_write_named_bool(w, "allow_accel_sequence", g_opts.allow_accel_sequence);
8750 [ + - ]: 165 : spdk_json_write_named_uint32(w, "rdma_max_cq_size", g_opts.rdma_max_cq_size);
8751 [ + - ]: 165 : spdk_json_write_named_uint16(w, "rdma_cm_event_timeout_ms", g_opts.rdma_cm_event_timeout_ms);
8752 : 165 : spdk_json_write_named_array_begin(w, "dhchap_digests");
8753 [ + + ]: 5445 : for (i = 0; i < 32; ++i) {
8754 [ + + + + : 5280 : if (g_opts.dhchap_digests & SPDK_BIT(i)) {
+ + ]
8755 : 495 : spdk_json_write_string(w, spdk_nvme_dhchap_get_digest_name(i));
8756 : 3 : }
8757 : 32 : }
8758 : 165 : spdk_json_write_array_end(w);
8759 : 165 : spdk_json_write_named_array_begin(w, "dhchap_dhgroups");
8760 [ + + ]: 5445 : for (i = 0; i < 32; ++i) {
8761 [ + + + + : 5280 : if (g_opts.dhchap_dhgroups & SPDK_BIT(i)) {
+ + ]
8762 : 990 : spdk_json_write_string(w, spdk_nvme_dhchap_get_dhgroup_name(i));
8763 : 6 : }
8764 : 32 : }
8765 : :
8766 : 165 : spdk_json_write_array_end(w);
8767 : 165 : spdk_json_write_object_end(w);
8768 : :
8769 : 165 : spdk_json_write_object_end(w);
8770 : 165 : }
8771 : :
8772 : : static void
8773 : 0 : bdev_nvme_discovery_config_json(struct spdk_json_write_ctx *w, struct discovery_ctx *ctx)
8774 : : {
8775 : 0 : struct spdk_nvme_transport_id trid;
8776 : :
8777 : 0 : spdk_json_write_object_begin(w);
8778 : :
8779 : 0 : spdk_json_write_named_string(w, "method", "bdev_nvme_start_discovery");
8780 : :
8781 : 0 : spdk_json_write_named_object_begin(w, "params");
8782 [ # # # # ]: 0 : spdk_json_write_named_string(w, "name", ctx->name);
8783 [ # # # # ]: 0 : spdk_json_write_named_string(w, "hostnqn", ctx->hostnqn);
8784 : :
8785 [ # # ]: 0 : trid = ctx->trid;
8786 [ # # ]: 0 : memset(trid.subnqn, 0, sizeof(trid.subnqn));
8787 : 0 : nvme_bdev_dump_trid_json(&trid, w);
8788 : :
8789 [ # # # # : 0 : spdk_json_write_named_bool(w, "wait_for_attach", ctx->wait_for_attach);
# # ]
8790 [ # # # # : 0 : spdk_json_write_named_int32(w, "ctrlr_loss_timeout_sec", ctx->bdev_opts.ctrlr_loss_timeout_sec);
# # ]
8791 [ # # # # : 0 : spdk_json_write_named_uint32(w, "reconnect_delay_sec", ctx->bdev_opts.reconnect_delay_sec);
# # ]
8792 : 0 : spdk_json_write_named_uint32(w, "fast_io_fail_timeout_sec",
8793 [ # # # # : 0 : ctx->bdev_opts.fast_io_fail_timeout_sec);
# # ]
8794 : 0 : spdk_json_write_object_end(w);
8795 : :
8796 : 0 : spdk_json_write_object_end(w);
8797 : 0 : }
8798 : :
8799 : : #ifdef SPDK_CONFIG_NVME_CUSE
8800 : : static void
8801 : 118 : nvme_ctrlr_cuse_config_json(struct spdk_json_write_ctx *w,
8802 : : struct nvme_ctrlr *nvme_ctrlr)
8803 : 118 : {
8804 : 118 : size_t cuse_name_size = 128;
8805 [ - + ]: 118 : char cuse_name[cuse_name_size];
8806 : :
8807 [ + - # # : 118 : if (spdk_nvme_cuse_get_ctrlr_name(nvme_ctrlr->ctrlr,
# # # # ]
8808 : 0 : cuse_name, &cuse_name_size) != 0) {
8809 : 118 : return;
8810 : : }
8811 : :
8812 : 0 : spdk_json_write_object_begin(w);
8813 : :
8814 : 0 : spdk_json_write_named_string(w, "method", "bdev_nvme_cuse_register");
8815 : :
8816 : 0 : spdk_json_write_named_object_begin(w, "params");
8817 [ # # # # : 0 : spdk_json_write_named_string(w, "name", nvme_ctrlr->nbdev_ctrlr->name);
# # # # ]
8818 : 0 : spdk_json_write_object_end(w);
8819 : :
8820 : 0 : spdk_json_write_object_end(w);
8821 [ # # ]: 0 : }
8822 : : #endif
8823 : :
8824 : : static void
8825 : 118 : nvme_ctrlr_config_json(struct spdk_json_write_ctx *w,
8826 : : struct nvme_ctrlr *nvme_ctrlr,
8827 : : struct nvme_path_id *path_id)
8828 : : {
8829 : : struct spdk_nvme_transport_id *trid;
8830 : : const struct spdk_nvme_ctrlr_opts *opts;
8831 : :
8832 [ - + - + : 118 : if (nvme_ctrlr->opts.from_discovery_service) {
# # # # #
# ]
8833 : : /* Do not emit an RPC for this - it will be implicitly
8834 : : * covered by a separate bdev_nvme_start_discovery or
8835 : : * bdev_nvme_start_mdns_discovery RPC.
8836 : : */
8837 : 0 : return;
8838 : : }
8839 : :
8840 [ # # ]: 118 : trid = &path_id->trid;
8841 : :
8842 : 118 : spdk_json_write_object_begin(w);
8843 : :
8844 : 118 : spdk_json_write_named_string(w, "method", "bdev_nvme_attach_controller");
8845 : :
8846 : 118 : spdk_json_write_named_object_begin(w, "params");
8847 [ # # # # : 118 : spdk_json_write_named_string(w, "name", nvme_ctrlr->nbdev_ctrlr->name);
# # # # ]
8848 : 118 : nvme_bdev_dump_trid_json(trid, w);
8849 : 118 : spdk_json_write_named_bool(w, "prchk_reftag",
8850 [ # # # # : 118 : (nvme_ctrlr->opts.prchk_flags & SPDK_NVME_IO_FLAGS_PRCHK_REFTAG) != 0);
# # # # ]
8851 : 118 : spdk_json_write_named_bool(w, "prchk_guard",
8852 [ # # # # : 118 : (nvme_ctrlr->opts.prchk_flags & SPDK_NVME_IO_FLAGS_PRCHK_GUARD) != 0);
# # # # ]
8853 [ # # # # : 118 : spdk_json_write_named_int32(w, "ctrlr_loss_timeout_sec", nvme_ctrlr->opts.ctrlr_loss_timeout_sec);
# # ]
8854 [ # # # # : 118 : spdk_json_write_named_uint32(w, "reconnect_delay_sec", nvme_ctrlr->opts.reconnect_delay_sec);
# # ]
8855 : 118 : spdk_json_write_named_uint32(w, "fast_io_fail_timeout_sec",
8856 [ # # # # : 0 : nvme_ctrlr->opts.fast_io_fail_timeout_sec);
# # ]
8857 [ + + # # : 118 : if (nvme_ctrlr->psk != NULL) {
# # ]
8858 [ # # # # ]: 9 : spdk_json_write_named_string(w, "psk", spdk_key_get_name(nvme_ctrlr->psk));
8859 : 0 : }
8860 [ - + # # : 118 : if (nvme_ctrlr->dhchap_key != NULL) {
# # ]
8861 : 0 : spdk_json_write_named_string(w, "dhchap_key",
8862 [ # # # # ]: 0 : spdk_key_get_name(nvme_ctrlr->dhchap_key));
8863 : 0 : }
8864 [ - + # # : 118 : if (nvme_ctrlr->dhchap_ctrlr_key != NULL) {
# # ]
8865 : 0 : spdk_json_write_named_string(w, "dhchap_ctrlr_key",
8866 [ # # # # ]: 0 : spdk_key_get_name(nvme_ctrlr->dhchap_ctrlr_key));
8867 : 0 : }
8868 [ # # # # ]: 118 : opts = spdk_nvme_ctrlr_get_opts(nvme_ctrlr->ctrlr);
8869 [ # # ]: 118 : spdk_json_write_named_string(w, "hostnqn", opts->hostnqn);
8870 [ - + # # : 118 : spdk_json_write_named_bool(w, "hdgst", opts->header_digest);
# # ]
8871 [ - + # # : 118 : spdk_json_write_named_bool(w, "ddgst", opts->data_digest);
# # ]
8872 [ - + # # : 118 : if (opts->src_addr[0] != '\0') {
# # # # #
# ]
8873 [ # # ]: 0 : spdk_json_write_named_string(w, "hostaddr", opts->src_addr);
8874 : 0 : }
8875 [ - + # # : 118 : if (opts->src_svcid[0] != '\0') {
# # # # #
# ]
8876 [ # # ]: 0 : spdk_json_write_named_string(w, "hostsvcid", opts->src_svcid);
8877 : 0 : }
8878 : :
8879 [ + + + - : 118 : if (nvme_ctrlr->opts.multipath) {
# # # # #
# ]
8880 : 118 : spdk_json_write_named_string(w, "multipath", "multipath");
8881 : 0 : }
8882 : 118 : spdk_json_write_object_end(w);
8883 : :
8884 : 118 : spdk_json_write_object_end(w);
8885 : 0 : }
8886 : :
8887 : : static void
8888 : 165 : bdev_nvme_hotplug_config_json(struct spdk_json_write_ctx *w)
8889 : : {
8890 : 165 : spdk_json_write_object_begin(w);
8891 : 165 : spdk_json_write_named_string(w, "method", "bdev_nvme_set_hotplug");
8892 : :
8893 : 165 : spdk_json_write_named_object_begin(w, "params");
8894 : 165 : spdk_json_write_named_uint64(w, "period_us", g_nvme_hotplug_poll_period_us);
8895 [ + + ]: 165 : spdk_json_write_named_bool(w, "enable", g_nvme_hotplug_enabled);
8896 : 165 : spdk_json_write_object_end(w);
8897 : :
8898 : 165 : spdk_json_write_object_end(w);
8899 : 165 : }
8900 : :
8901 : : static int
8902 : 165 : bdev_nvme_config_json(struct spdk_json_write_ctx *w)
8903 : : {
8904 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
8905 : : struct nvme_ctrlr *nvme_ctrlr;
8906 : : struct discovery_ctx *ctx;
8907 : : struct nvme_path_id *path_id;
8908 : :
8909 : 165 : bdev_nvme_opts_config_json(w);
8910 : :
8911 [ + + ]: 165 : pthread_mutex_lock(&g_bdev_nvme_mutex);
8912 : :
8913 [ + + # # : 283 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
8914 [ + + # # : 236 : TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
8915 [ # # # # ]: 118 : path_id = nvme_ctrlr->active_path_id;
8916 [ - + # # : 118 : assert(path_id == TAILQ_FIRST(&nvme_ctrlr->trids));
# # # # #
# ]
8917 : 118 : nvme_ctrlr_config_json(w, nvme_ctrlr, path_id);
8918 : :
8919 [ # # # # : 118 : path_id = TAILQ_NEXT(path_id, link);
# # ]
8920 [ - + ]: 118 : while (path_id != NULL) {
8921 : 0 : nvme_ctrlr_config_json(w, nvme_ctrlr, path_id);
8922 [ # # # # : 0 : path_id = TAILQ_NEXT(path_id, link);
# # ]
8923 : : }
8924 : :
8925 : : #ifdef SPDK_CONFIG_NVME_CUSE
8926 : 118 : nvme_ctrlr_cuse_config_json(w, nvme_ctrlr);
8927 : : #endif
8928 : 0 : }
8929 : 0 : }
8930 : :
8931 [ - + # # : 165 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
8932 [ # # # # : 0 : if (!ctx->from_mdns_discovery_service) {
# # # # ]
8933 : 0 : bdev_nvme_discovery_config_json(w, ctx);
8934 : 0 : }
8935 : 0 : }
8936 : :
8937 : 165 : bdev_nvme_mdns_discovery_config_json(w);
8938 : :
8939 : : /* Dump as last parameter to give all NVMe bdevs chance to be constructed
8940 : : * before enabling hotplug poller.
8941 : : */
8942 : 165 : bdev_nvme_hotplug_config_json(w);
8943 : :
8944 [ + + ]: 165 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
8945 : 165 : return 0;
8946 : : }
8947 : :
8948 : : struct spdk_nvme_ctrlr *
8949 : 9 : bdev_nvme_get_ctrlr(struct spdk_bdev *bdev)
8950 : : {
8951 : : struct nvme_bdev *nbdev;
8952 : : struct nvme_ns *nvme_ns;
8953 : :
8954 [ + - - + : 9 : if (!bdev || bdev->module != &nvme_if) {
# # # # ]
8955 : 0 : return NULL;
8956 : : }
8957 : :
8958 : 9 : nbdev = SPDK_CONTAINEROF(bdev, struct nvme_bdev, disk);
8959 [ # # # # : 9 : nvme_ns = TAILQ_FIRST(&nbdev->nvme_ns_list);
# # ]
8960 [ - + # # ]: 9 : assert(nvme_ns != NULL);
8961 : :
8962 [ # # # # : 9 : return nvme_ns->ctrlr->ctrlr;
# # # # ]
8963 : 0 : }
8964 : :
8965 : : static bool
8966 : 516 : nvme_io_path_is_current(struct nvme_io_path *io_path)
8967 : : {
8968 : : const struct nvme_bdev_channel *nbdev_ch;
8969 : : bool current;
8970 : :
8971 [ + + ]: 516 : if (!nvme_io_path_is_available(io_path)) {
8972 : 132 : return false;
8973 : : }
8974 : :
8975 [ # # # # ]: 384 : nbdev_ch = io_path->nbdev_ch;
8976 [ + + ]: 384 : if (nbdev_ch == NULL) {
8977 : 3 : current = false;
8978 [ + + # # : 381 : } else if (nbdev_ch->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE) {
# # ]
8979 : 177 : struct nvme_io_path *optimized_io_path = NULL;
8980 : :
8981 [ + + # # : 378 : STAILQ_FOREACH(optimized_io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
8982 [ + + # # : 303 : if (optimized_io_path->nvme_ns->ana_state == SPDK_NVME_ANA_OPTIMIZED_STATE) {
# # # # #
# ]
8983 : 102 : break;
8984 : : }
8985 : 0 : }
8986 : :
8987 : : /* A non-optimized path is only current if there are no optimized paths. */
8988 [ + + + + : 177 : current = (io_path->nvme_ns->ana_state == SPDK_NVME_ANA_OPTIMIZED_STATE) ||
# # # # #
# ]
8989 : 0 : (optimized_io_path == NULL);
8990 : 0 : } else {
8991 [ + + # # : 204 : if (nbdev_ch->current_io_path) {
# # ]
8992 [ # # # # ]: 123 : current = (io_path == nbdev_ch->current_io_path);
8993 : 0 : } else {
8994 : : struct nvme_io_path *first_path;
8995 : :
8996 : : /* We arrived here as there are no optimized paths for active-passive
8997 : : * mode. Check if this io_path is the first one available on the list.
8998 : : */
8999 : 81 : current = false;
9000 [ + - # # : 81 : STAILQ_FOREACH(first_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
9001 [ + - ]: 81 : if (nvme_io_path_is_available(first_path)) {
9002 : 81 : current = (io_path == first_path);
9003 : 81 : break;
9004 : : }
9005 : 0 : }
9006 : : }
9007 : : }
9008 : :
9009 [ # # ]: 384 : return current;
9010 : 0 : }
9011 : :
9012 : : static struct nvme_ctrlr *
9013 : 40 : bdev_nvme_next_ctrlr_unsafe(struct nvme_bdev_ctrlr *nbdev_ctrlr, struct nvme_ctrlr *prev)
9014 : : {
9015 : : struct nvme_ctrlr *next;
9016 : :
9017 : : /* Must be called under g_bdev_nvme_mutex */
9018 [ + + # # : 40 : next = prev != NULL ? TAILQ_NEXT(prev, tailq) : TAILQ_FIRST(&nbdev_ctrlr->ctrlrs);
# # # # #
# # # #
# ]
9019 [ + + ]: 40 : while (next != NULL) {
9020 : : /* ref can be 0 when the ctrlr was released, but hasn't been detached yet */
9021 [ - + # # ]: 28 : pthread_mutex_lock(&next->mutex);
9022 [ + - # # : 28 : if (next->ref > 0) {
# # ]
9023 [ # # # # ]: 28 : next->ref++;
9024 [ - + # # ]: 28 : pthread_mutex_unlock(&next->mutex);
9025 : 28 : return next;
9026 : : }
9027 : :
9028 [ # # # # ]: 0 : pthread_mutex_unlock(&next->mutex);
9029 [ # # # # : 0 : next = TAILQ_NEXT(next, tailq);
# # ]
9030 : : }
9031 : :
9032 : 12 : return NULL;
9033 : 0 : }
9034 : :
9035 : : struct bdev_nvme_set_keys_ctx {
9036 : : struct nvme_ctrlr *nctrlr;
9037 : : struct spdk_key *dhchap_key;
9038 : : struct spdk_key *dhchap_ctrlr_key;
9039 : : struct spdk_thread *thread;
9040 : : bdev_nvme_set_keys_cb cb_fn;
9041 : : void *cb_ctx;
9042 : : int status;
9043 : : };
9044 : :
9045 : : static void
9046 : 28 : bdev_nvme_free_set_keys_ctx(struct bdev_nvme_set_keys_ctx *ctx)
9047 : : {
9048 [ - + ]: 28 : if (ctx == NULL) {
9049 : 0 : return;
9050 : : }
9051 : :
9052 [ # # # # ]: 28 : spdk_keyring_put_key(ctx->dhchap_key);
9053 [ # # # # ]: 28 : spdk_keyring_put_key(ctx->dhchap_ctrlr_key);
9054 : 28 : free(ctx);
9055 : 0 : }
9056 : :
9057 : : static void
9058 : 28 : _bdev_nvme_set_keys_done(void *_ctx)
9059 : : {
9060 : 28 : struct bdev_nvme_set_keys_ctx *ctx = _ctx;
9061 : :
9062 [ # # # # : 28 : ctx->cb_fn(ctx->cb_ctx, ctx->status);
# # # # #
# # # # #
# # ]
9063 : :
9064 [ + + # # : 28 : if (ctx->nctrlr != NULL) {
# # ]
9065 [ # # # # ]: 16 : nvme_ctrlr_put_ref(ctx->nctrlr);
9066 : 0 : }
9067 : 28 : bdev_nvme_free_set_keys_ctx(ctx);
9068 : 28 : }
9069 : :
9070 : : static void
9071 : 28 : bdev_nvme_set_keys_done(struct bdev_nvme_set_keys_ctx *ctx, int status)
9072 : : {
9073 [ # # # # ]: 28 : ctx->status = status;
9074 [ # # # # ]: 28 : spdk_thread_exec_msg(ctx->thread, _bdev_nvme_set_keys_done, ctx);
9075 : 28 : }
9076 : :
9077 : : static void bdev_nvme_authenticate_ctrlr(struct bdev_nvme_set_keys_ctx *ctx);
9078 : :
9079 : : static void
9080 : 12 : bdev_nvme_authenticate_ctrlr_continue(struct bdev_nvme_set_keys_ctx *ctx)
9081 : : {
9082 : : struct nvme_ctrlr *next;
9083 : :
9084 [ - + ]: 12 : pthread_mutex_lock(&g_bdev_nvme_mutex);
9085 [ # # # # ]: 12 : next = bdev_nvme_next_ctrlr_unsafe(NULL, ctx->nctrlr);
9086 [ - + ]: 12 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9087 : :
9088 [ # # # # ]: 12 : nvme_ctrlr_put_ref(ctx->nctrlr);
9089 [ # # # # ]: 12 : ctx->nctrlr = next;
9090 : :
9091 [ + - ]: 12 : if (next == NULL) {
9092 : 12 : bdev_nvme_set_keys_done(ctx, 0);
9093 : 0 : } else {
9094 : 0 : bdev_nvme_authenticate_ctrlr(ctx);
9095 : : }
9096 : 12 : }
9097 : :
9098 : : static void
9099 : 8 : bdev_nvme_authenticate_qpairs_done(struct spdk_io_channel_iter *i, int status)
9100 : : {
9101 : 8 : struct bdev_nvme_set_keys_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
9102 : :
9103 [ - + ]: 8 : if (status != 0) {
9104 : 0 : bdev_nvme_set_keys_done(ctx, status);
9105 : 0 : return;
9106 : : }
9107 : 8 : bdev_nvme_authenticate_ctrlr_continue(ctx);
9108 : 0 : }
9109 : :
9110 : : static void
9111 : 0 : bdev_nvme_authenticate_qpair_done(void *ctx, int status)
9112 : : {
9113 : 0 : spdk_for_each_channel_continue(ctx, status);
9114 : 0 : }
9115 : :
9116 : : static void
9117 : 0 : bdev_nvme_authenticate_qpair(struct spdk_io_channel_iter *i)
9118 : : {
9119 : 0 : struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
9120 : 0 : struct nvme_ctrlr_channel *ctrlr_ch = spdk_io_channel_get_ctx(ch);
9121 [ # # # # ]: 0 : struct nvme_qpair *qpair = ctrlr_ch->qpair;
9122 : : int rc;
9123 : :
9124 [ # # ]: 0 : if (!nvme_qpair_is_connected(qpair)) {
9125 : 0 : spdk_for_each_channel_continue(i, 0);
9126 : 0 : return;
9127 : : }
9128 : :
9129 [ # # # # ]: 0 : rc = spdk_nvme_qpair_authenticate(qpair->qpair, bdev_nvme_authenticate_qpair_done, i);
9130 [ # # ]: 0 : if (rc != 0) {
9131 : 0 : spdk_for_each_channel_continue(i, rc);
9132 : 0 : }
9133 : 0 : }
9134 : :
9135 : : static void
9136 : 20 : bdev_nvme_authenticate_ctrlr_done(void *_ctx, int status)
9137 : : {
9138 : 20 : struct bdev_nvme_set_keys_ctx *ctx = _ctx;
9139 : :
9140 [ + + ]: 20 : if (status != 0) {
9141 : 12 : bdev_nvme_set_keys_done(ctx, status);
9142 : 12 : return;
9143 : : }
9144 : :
9145 [ # # # # ]: 8 : spdk_for_each_channel(ctx->nctrlr, bdev_nvme_authenticate_qpair, ctx,
9146 : : bdev_nvme_authenticate_qpairs_done);
9147 : 0 : }
9148 : :
9149 : : static void
9150 : 28 : bdev_nvme_authenticate_ctrlr(struct bdev_nvme_set_keys_ctx *ctx)
9151 : : {
9152 : 28 : struct spdk_nvme_ctrlr_key_opts opts = {};
9153 [ # # # # ]: 28 : struct nvme_ctrlr *nctrlr = ctx->nctrlr;
9154 : : int rc;
9155 : :
9156 : 28 : opts.size = SPDK_SIZEOF(&opts, dhchap_ctrlr_key);
9157 [ # # # # : 28 : opts.dhchap_key = ctx->dhchap_key;
# # ]
9158 [ # # # # : 28 : opts.dhchap_ctrlr_key = ctx->dhchap_ctrlr_key;
# # ]
9159 [ # # # # ]: 28 : rc = spdk_nvme_ctrlr_set_keys(nctrlr->ctrlr, &opts);
9160 [ - + ]: 28 : if (rc != 0) {
9161 : 0 : bdev_nvme_set_keys_done(ctx, rc);
9162 : 0 : return;
9163 : : }
9164 : :
9165 [ + + # # : 28 : if (ctx->dhchap_key != NULL) {
# # ]
9166 [ # # # # ]: 24 : rc = spdk_nvme_ctrlr_authenticate(nctrlr->ctrlr,
9167 : 0 : bdev_nvme_authenticate_ctrlr_done, ctx);
9168 [ + + ]: 24 : if (rc != 0) {
9169 : 4 : bdev_nvme_set_keys_done(ctx, rc);
9170 : 0 : }
9171 : 0 : } else {
9172 : 4 : bdev_nvme_authenticate_ctrlr_continue(ctx);
9173 : : }
9174 : 0 : }
9175 : :
9176 : : int
9177 : 28 : bdev_nvme_set_keys(const char *name, const char *dhchap_key, const char *dhchap_ctrlr_key,
9178 : : bdev_nvme_set_keys_cb cb_fn, void *cb_ctx)
9179 : : {
9180 : : struct bdev_nvme_set_keys_ctx *ctx;
9181 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
9182 : : struct nvme_ctrlr *nctrlr;
9183 : :
9184 : 28 : ctx = calloc(1, sizeof(*ctx));
9185 [ - + ]: 28 : if (ctx == NULL) {
9186 : 0 : return -ENOMEM;
9187 : : }
9188 : :
9189 [ + + ]: 28 : if (dhchap_key != NULL) {
9190 [ # # # # ]: 24 : ctx->dhchap_key = spdk_keyring_get_key(dhchap_key);
9191 [ - + # # : 24 : if (ctx->dhchap_key == NULL) {
# # ]
9192 : 0 : SPDK_ERRLOG("Could not find key %s for bdev %s\n", dhchap_key, name);
9193 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9194 : 0 : return -ENOKEY;
9195 : : }
9196 : 0 : }
9197 [ + + ]: 28 : if (dhchap_ctrlr_key != NULL) {
9198 [ # # # # ]: 24 : ctx->dhchap_ctrlr_key = spdk_keyring_get_key(dhchap_ctrlr_key);
9199 [ - + # # : 24 : if (ctx->dhchap_ctrlr_key == NULL) {
# # ]
9200 : 0 : SPDK_ERRLOG("Could not find key %s for bdev %s\n", dhchap_ctrlr_key, name);
9201 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9202 : 0 : return -ENOKEY;
9203 : : }
9204 : 0 : }
9205 : :
9206 [ - + ]: 28 : pthread_mutex_lock(&g_bdev_nvme_mutex);
9207 : 28 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
9208 [ - + ]: 28 : if (nbdev_ctrlr == NULL) {
9209 : 0 : SPDK_ERRLOG("Could not find bdev_ctrlr %s\n", name);
9210 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9211 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9212 : 0 : return -ENODEV;
9213 : : }
9214 : 28 : nctrlr = bdev_nvme_next_ctrlr_unsafe(nbdev_ctrlr, NULL);
9215 [ - + ]: 28 : if (nctrlr == NULL) {
9216 : 0 : SPDK_ERRLOG("Could not find any nvme_ctrlrs on bdev_ctrlr %s\n", name);
9217 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9218 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9219 : 0 : return -ENODEV;
9220 : : }
9221 [ - + ]: 28 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9222 : :
9223 [ # # # # ]: 28 : ctx->nctrlr = nctrlr;
9224 [ # # # # ]: 28 : ctx->cb_fn = cb_fn;
9225 [ # # # # ]: 28 : ctx->cb_ctx = cb_ctx;
9226 [ # # # # ]: 28 : ctx->thread = spdk_get_thread();
9227 : :
9228 : 28 : bdev_nvme_authenticate_ctrlr(ctx);
9229 : :
9230 : 28 : return 0;
9231 : 0 : }
9232 : :
9233 : : void
9234 : 480 : nvme_io_path_info_json(struct spdk_json_write_ctx *w, struct nvme_io_path *io_path)
9235 : : {
9236 [ # # # # ]: 480 : struct nvme_ns *nvme_ns = io_path->nvme_ns;
9237 [ # # # # : 480 : struct nvme_ctrlr *nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
9238 : : const struct spdk_nvme_ctrlr_data *cdata;
9239 : : const struct spdk_nvme_transport_id *trid;
9240 : : const char *adrfam_str;
9241 : :
9242 : 480 : spdk_json_write_object_begin(w);
9243 : :
9244 [ # # # # : 480 : spdk_json_write_named_string(w, "bdev_name", nvme_ns->bdev->disk.name);
# # # # #
# ]
9245 : :
9246 [ # # # # ]: 480 : cdata = spdk_nvme_ctrlr_get_data(nvme_ctrlr->ctrlr);
9247 [ # # # # ]: 480 : trid = spdk_nvme_ctrlr_get_transport_id(nvme_ctrlr->ctrlr);
9248 : :
9249 [ # # # # ]: 480 : spdk_json_write_named_uint32(w, "cntlid", cdata->cntlid);
9250 : 480 : spdk_json_write_named_bool(w, "current", nvme_io_path_is_current(io_path));
9251 [ # # # # ]: 480 : spdk_json_write_named_bool(w, "connected", nvme_qpair_is_connected(io_path->qpair));
9252 : 480 : spdk_json_write_named_bool(w, "accessible", nvme_ns_is_accessible(nvme_ns));
9253 : :
9254 : 480 : spdk_json_write_named_object_begin(w, "transport");
9255 [ # # ]: 480 : spdk_json_write_named_string(w, "trtype", trid->trstring);
9256 [ # # ]: 480 : spdk_json_write_named_string(w, "traddr", trid->traddr);
9257 [ + - # # : 480 : if (trid->trsvcid[0] != '\0') {
# # # # #
# ]
9258 [ # # ]: 480 : spdk_json_write_named_string(w, "trsvcid", trid->trsvcid);
9259 : 0 : }
9260 [ # # # # ]: 480 : adrfam_str = spdk_nvme_transport_id_adrfam_str(trid->adrfam);
9261 [ + - ]: 480 : if (adrfam_str) {
9262 : 480 : spdk_json_write_named_string(w, "adrfam", adrfam_str);
9263 : 0 : }
9264 : 480 : spdk_json_write_object_end(w);
9265 : :
9266 : 480 : spdk_json_write_object_end(w);
9267 : 480 : }
9268 : :
9269 : : void
9270 : 77 : bdev_nvme_get_discovery_info(struct spdk_json_write_ctx *w)
9271 : : {
9272 : : struct discovery_ctx *ctx;
9273 : : struct discovery_entry_ctx *entry_ctx;
9274 : :
9275 : 77 : spdk_json_write_array_begin(w);
9276 [ + + # # : 150 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
9277 : 73 : spdk_json_write_object_begin(w);
9278 [ # # # # ]: 73 : spdk_json_write_named_string(w, "name", ctx->name);
9279 : :
9280 : 73 : spdk_json_write_named_object_begin(w, "trid");
9281 [ # # ]: 73 : nvme_bdev_dump_trid_json(&ctx->trid, w);
9282 : 73 : spdk_json_write_object_end(w);
9283 : :
9284 : 73 : spdk_json_write_named_array_begin(w, "referrals");
9285 [ + + # # : 171 : TAILQ_FOREACH(entry_ctx, &ctx->discovery_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
9286 : 98 : spdk_json_write_object_begin(w);
9287 : 98 : spdk_json_write_named_object_begin(w, "trid");
9288 [ # # ]: 98 : nvme_bdev_dump_trid_json(&entry_ctx->trid, w);
9289 : 98 : spdk_json_write_object_end(w);
9290 : 98 : spdk_json_write_object_end(w);
9291 : 0 : }
9292 : 73 : spdk_json_write_array_end(w);
9293 : :
9294 : 73 : spdk_json_write_object_end(w);
9295 : 0 : }
9296 : 77 : spdk_json_write_array_end(w);
9297 : 77 : }
9298 : :
9299 : 2131 : SPDK_LOG_REGISTER_COMPONENT(bdev_nvme)
9300 : :
9301 : : static void
9302 : 1968 : bdev_nvme_trace(void)
9303 : : {
9304 : 1968 : struct spdk_trace_tpoint_opts opts[] = {
9305 : : {
9306 : : "BDEV_NVME_IO_START", TRACE_BDEV_NVME_IO_START,
9307 : : OWNER_TYPE_NONE, OBJECT_BDEV_NVME_IO, 1,
9308 : : {{ "ctx", SPDK_TRACE_ARG_TYPE_PTR, 8 }}
9309 : : },
9310 : : {
9311 : : "BDEV_NVME_IO_DONE", TRACE_BDEV_NVME_IO_DONE,
9312 : : OWNER_TYPE_NONE, OBJECT_BDEV_NVME_IO, 0,
9313 : : {{ "ctx", SPDK_TRACE_ARG_TYPE_PTR, 8 }}
9314 : : }
9315 : : };
9316 : :
9317 : :
9318 : 1968 : spdk_trace_register_object(OBJECT_BDEV_NVME_IO, 'N');
9319 : 1968 : spdk_trace_register_description_ext(opts, SPDK_COUNTOF(opts));
9320 : 1968 : spdk_trace_tpoint_register_relation(TRACE_NVME_PCIE_SUBMIT, OBJECT_BDEV_NVME_IO, 0);
9321 : 1968 : spdk_trace_tpoint_register_relation(TRACE_NVME_TCP_SUBMIT, OBJECT_BDEV_NVME_IO, 0);
9322 : 1968 : spdk_trace_tpoint_register_relation(TRACE_NVME_PCIE_COMPLETE, OBJECT_BDEV_NVME_IO, 0);
9323 : 1968 : spdk_trace_tpoint_register_relation(TRACE_NVME_TCP_COMPLETE, OBJECT_BDEV_NVME_IO, 0);
9324 : 1968 : }
9325 : 2131 : SPDK_TRACE_REGISTER_FN(bdev_nvme_trace, "bdev_nvme", TRACE_GROUP_BDEV_NVME)
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