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 : 1676 : nvme_ns_cmp(struct nvme_ns *ns1, struct nvme_ns *ns2)
261 : : {
262 [ + + + - : 1676 : return ns1->id < ns2->id ? -1 : ns1->id > ns2->id;
+ - + - -
+ + - + -
+ - + - ]
263 : : }
264 : :
265 [ + + + + : 14725 : RB_GENERATE_STATIC(nvme_ns_tree, nvme_ns, node, nvme_ns_cmp);
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266 : :
267 : : struct spdk_nvme_qpair *
268 : 4 : bdev_nvme_get_io_qpair(struct spdk_io_channel *ctrlr_io_ch)
269 : : {
270 : : struct nvme_ctrlr_channel *ctrlr_ch;
271 : :
272 [ + + # # ]: 4 : assert(ctrlr_io_ch != NULL);
273 : :
274 : 4 : ctrlr_ch = spdk_io_channel_get_ctx(ctrlr_io_ch);
275 : :
276 [ # # # # : 4 : return ctrlr_ch->qpair->qpair;
# # # # ]
277 : : }
278 : :
279 : : static int
280 : 1486 : bdev_nvme_get_ctx_size(void)
281 : : {
282 : 1486 : 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 : 1663 : 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 : 24833 : nvme_bdev_ctrlr_get_by_name(const char *name)
302 : : {
303 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
304 : :
305 [ + + # # : 25529 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
306 [ + + + + : 21721 : if (strcmp(name, nbdev_ctrlr->name) == 0) {
+ + + - -
+ ]
307 : 21025 : break;
308 : : }
309 : 0 : }
310 : :
311 : 24833 : return nbdev_ctrlr;
312 : : }
313 : :
314 : : static struct nvme_ctrlr *
315 : 412 : 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 [ + + # # : 752 : TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
322 [ # # # # ]: 476 : opts = spdk_nvme_ctrlr_get_opts(nvme_ctrlr->ctrlr);
323 [ + + + - : 476 : if (spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->active_path_id->trid) == 0 &&
# # # # #
# ]
324 [ + + - + : 136 : strcmp(hostnqn, opts->hostnqn) == 0) {
+ - ]
325 : 136 : break;
326 : : }
327 : 41 : }
328 : :
329 : 412 : 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 : 1098 : nvme_bdev_ctrlr_get_bdev(struct nvme_bdev_ctrlr *nbdev_ctrlr, uint32_t nsid)
351 : : {
352 : : struct nvme_bdev *bdev;
353 : :
354 [ + + ]: 1098 : pthread_mutex_lock(&g_bdev_nvme_mutex);
355 [ + + + - : 1372 : TAILQ_FOREACH(bdev, &nbdev_ctrlr->bdevs, tailq) {
+ - + - #
# # # #
# ]
356 [ + + # # : 418 : if (bdev->nsid == nsid) {
# # ]
357 : 144 : break;
358 : : }
359 : 34 : }
360 [ + + ]: 1098 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
361 : :
362 : 1098 : return bdev;
363 : : }
364 : :
365 : : struct nvme_ns *
366 : 2207 : nvme_ctrlr_get_ns(struct nvme_ctrlr *nvme_ctrlr, uint32_t nsid)
367 : : {
368 : 1140 : struct nvme_ns ns;
369 : :
370 [ + + # # ]: 2207 : assert(nsid > 0);
371 : :
372 : 2207 : ns.id = nsid;
373 [ + - ]: 2207 : return RB_FIND(nvme_ns_tree, &nvme_ctrlr->namespaces, &ns);
374 : : }
375 : :
376 : : struct nvme_ns *
377 : 2194 : nvme_ctrlr_get_first_active_ns(struct nvme_ctrlr *nvme_ctrlr)
378 : : {
379 [ + - ]: 2194 : return RB_MIN(nvme_ns_tree, &nvme_ctrlr->namespaces);
380 : : }
381 : :
382 : : struct nvme_ns *
383 : 1078 : nvme_ctrlr_get_next_active_ns(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *ns)
384 : : {
385 [ - + ]: 1078 : if (ns == NULL) {
386 : 0 : return NULL;
387 : : }
388 : :
389 : 1078 : return RB_NEXT(nvme_ns_tree, &nvme_ctrlr->namespaces, ns);
390 : 87 : }
391 : :
392 : : static struct nvme_ctrlr *
393 : 955 : nvme_ctrlr_get(const struct spdk_nvme_transport_id *trid, const char *hostnqn)
394 : : {
395 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
396 : 955 : struct nvme_ctrlr *nvme_ctrlr = NULL;
397 : :
398 [ + + ]: 955 : pthread_mutex_lock(&g_bdev_nvme_mutex);
399 [ + + # # : 1207 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
400 : 252 : nvme_ctrlr = nvme_bdev_ctrlr_get_ctrlr(nbdev_ctrlr, trid, hostnqn);
401 [ - + ]: 252 : if (nvme_ctrlr != NULL) {
402 : 0 : break;
403 : : }
404 : 19 : }
405 [ + + ]: 955 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
406 : :
407 : 955 : return nvme_ctrlr;
408 : : }
409 : :
410 : : struct nvme_ctrlr *
411 : 1997 : nvme_ctrlr_get_by_name(const char *name)
412 : : {
413 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
414 : 1997 : struct nvme_ctrlr *nvme_ctrlr = NULL;
415 : :
416 [ + + ]: 1997 : if (name == NULL) {
417 : 0 : return NULL;
418 : : }
419 : :
420 [ + + ]: 1997 : pthread_mutex_lock(&g_bdev_nvme_mutex);
421 : 1997 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
422 [ + + ]: 1997 : if (nbdev_ctrlr != NULL) {
423 [ + - + - : 283 : nvme_ctrlr = TAILQ_FIRST(&nbdev_ctrlr->ctrlrs);
+ - ]
424 : 63 : }
425 [ + + ]: 1997 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
426 : :
427 : 1997 : return nvme_ctrlr;
428 : 151 : }
429 : :
430 : : void
431 : 204 : nvme_bdev_ctrlr_for_each(nvme_bdev_ctrlr_for_each_fn fn, void *ctx)
432 : : {
433 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
434 : :
435 [ - + ]: 204 : pthread_mutex_lock(&g_bdev_nvme_mutex);
436 [ + + # # : 395 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
437 [ # # # # ]: 191 : fn(nbdev_ctrlr, ctx);
438 : 1 : }
439 [ - + ]: 204 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
440 : 204 : }
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 : 776 : nvme_ctrlr_for_each_channel_continue(struct nvme_ctrlr_channel_iter *iter, int status)
451 : : {
452 [ # # # # ]: 776 : spdk_for_each_channel_continue(iter->i, status);
453 : 776 : }
454 : :
455 : : static void
456 : 776 : nvme_ctrlr_each_channel_msg(struct spdk_io_channel_iter *i)
457 : : {
458 : 776 : struct nvme_ctrlr_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
459 : 776 : struct nvme_ctrlr *nvme_ctrlr = spdk_io_channel_iter_get_io_device(i);
460 : 776 : struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
461 : 776 : struct nvme_ctrlr_channel *ctrlr_ch = spdk_io_channel_get_ctx(ch);
462 : :
463 [ # # # # ]: 776 : iter->i = i;
464 [ # # # # : 776 : iter->fn(iter, nvme_ctrlr, ctrlr_ch, iter->ctx);
# # # # #
# # # ]
465 : 776 : }
466 : :
467 : : static void
468 : 531 : nvme_ctrlr_each_channel_cpl(struct spdk_io_channel_iter *i, int status)
469 : : {
470 : 531 : struct nvme_ctrlr_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
471 : 531 : struct nvme_ctrlr *nvme_ctrlr = spdk_io_channel_iter_get_io_device(i);
472 : :
473 [ # # # # ]: 531 : iter->i = i;
474 [ # # # # : 531 : iter->cpl(nvme_ctrlr, iter->ctx, status);
# # # # #
# # # ]
475 : :
476 : 531 : free(iter);
477 : 531 : }
478 : :
479 : : void
480 : 531 : 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 [ + - + - ]: 531 : assert(nvme_ctrlr != NULL && fn != NULL);
487 : :
488 : 531 : iter = calloc(1, sizeof(struct nvme_ctrlr_channel_iter));
489 [ - + ]: 531 : if (iter == NULL) {
490 : 0 : SPDK_ERRLOG("Unable to allocate iterator\n");
491 [ # # ]: 0 : assert(false);
492 : : return;
493 : : }
494 : :
495 [ # # # # ]: 531 : iter->fn = fn;
496 [ # # # # ]: 531 : iter->cpl = cpl;
497 [ # # # # ]: 531 : iter->ctx = ctx;
498 : :
499 : 632 : spdk_for_each_channel(nvme_ctrlr, nvme_ctrlr_each_channel_msg,
500 : 101 : iter, nvme_ctrlr_each_channel_cpl);
501 : 101 : }
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 : 343 : nvme_bdev_for_each_channel_continue(struct nvme_bdev_channel_iter *iter, int status)
512 : : {
513 [ # # # # ]: 343 : spdk_for_each_channel_continue(iter->i, status);
514 : 343 : }
515 : :
516 : : static void
517 : 343 : nvme_bdev_each_channel_msg(struct spdk_io_channel_iter *i)
518 : : {
519 : 343 : struct nvme_bdev_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
520 : 343 : struct nvme_bdev *nbdev = spdk_io_channel_iter_get_io_device(i);
521 : 343 : struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
522 : 343 : struct nvme_bdev_channel *nbdev_ch = spdk_io_channel_get_ctx(ch);
523 : :
524 [ # # # # ]: 343 : iter->i = i;
525 [ # # # # : 343 : iter->fn(iter, nbdev, nbdev_ch, iter->ctx);
# # # # #
# # # ]
526 : 343 : }
527 : :
528 : : static void
529 : 313 : nvme_bdev_each_channel_cpl(struct spdk_io_channel_iter *i, int status)
530 : : {
531 : 313 : struct nvme_bdev_channel_iter *iter = spdk_io_channel_iter_get_ctx(i);
532 : 313 : struct nvme_bdev *nbdev = spdk_io_channel_iter_get_io_device(i);
533 : :
534 [ # # # # ]: 313 : iter->i = i;
535 [ # # # # : 313 : iter->cpl(nbdev, iter->ctx, status);
# # # # #
# # # ]
536 : :
537 : 313 : free(iter);
538 : 313 : }
539 : :
540 : : void
541 : 313 : 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 [ + - + - ]: 313 : assert(nbdev != NULL && fn != NULL);
548 : :
549 : 313 : iter = calloc(1, sizeof(struct nvme_bdev_channel_iter));
550 [ - + ]: 313 : if (iter == NULL) {
551 : 0 : SPDK_ERRLOG("Unable to allocate iterator\n");
552 [ # # ]: 0 : assert(false);
553 : : return;
554 : : }
555 : :
556 [ # # # # ]: 313 : iter->fn = fn;
557 [ # # # # ]: 313 : iter->cpl = cpl;
558 [ # # # # ]: 313 : iter->ctx = ctx;
559 : :
560 : 313 : spdk_for_each_channel(nbdev, nvme_bdev_each_channel_msg, iter,
561 : : nvme_bdev_each_channel_cpl);
562 : 62 : }
563 : :
564 : : void
565 : 1449 : 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 [ # # # # ]: 1449 : trtype_str = spdk_nvme_transport_id_trtype_str(trid->trtype);
571 [ + - ]: 1449 : if (trtype_str) {
572 : 1449 : spdk_json_write_named_string(w, "trtype", trtype_str);
573 : 8 : }
574 : :
575 [ # # # # ]: 1449 : adrfam_str = spdk_nvme_transport_id_adrfam_str(trid->adrfam);
576 [ + + ]: 1449 : if (adrfam_str) {
577 : 457 : spdk_json_write_named_string(w, "adrfam", adrfam_str);
578 : 0 : }
579 : :
580 [ + - # # : 1449 : if (trid->traddr[0] != '\0') {
# # # # #
# ]
581 [ # # ]: 1449 : spdk_json_write_named_string(w, "traddr", trid->traddr);
582 : 8 : }
583 : :
584 [ + + # # : 1449 : if (trid->trsvcid[0] != '\0') {
# # # # #
# ]
585 [ # # ]: 457 : spdk_json_write_named_string(w, "trsvcid", trid->trsvcid);
586 : 0 : }
587 : :
588 [ + + # # : 1449 : if (trid->subnqn[0] != '\0') {
# # # # #
# ]
589 [ # # ]: 457 : spdk_json_write_named_string(w, "subnqn", trid->subnqn);
590 : 0 : }
591 : 1449 : }
592 : :
593 : : static void
594 : 1021 : nvme_bdev_ctrlr_delete(struct nvme_bdev_ctrlr *nbdev_ctrlr,
595 : : struct nvme_ctrlr *nvme_ctrlr)
596 : : {
597 : 261 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_delete, nvme_ctrlr->nbdev_ctrlr->name);
598 [ + + ]: 1021 : pthread_mutex_lock(&g_bdev_nvme_mutex);
599 : :
600 [ + + + - : 1021 : TAILQ_REMOVE(&nbdev_ctrlr->ctrlrs, nvme_ctrlr, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - ]
601 [ + + + - : 1021 : if (!TAILQ_EMPTY(&nbdev_ctrlr->ctrlrs)) {
+ - - + ]
602 [ - + ]: 63 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
603 : :
604 : 63 : return;
605 : : }
606 [ + + + - : 958 : TAILQ_REMOVE(&g_nvme_bdev_ctrlrs, nbdev_ctrlr, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - ]
607 : :
608 [ + + ]: 958 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
609 : :
610 [ + + + - : 958 : assert(TAILQ_EMPTY(&nbdev_ctrlr->bdevs));
+ - + - #
# ]
611 : :
612 [ + - + - ]: 958 : free(nbdev_ctrlr->name);
613 : 958 : free(nbdev_ctrlr);
614 : 72 : }
615 : :
616 : : static void
617 : 1025 : _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 [ + - + - ]: 1025 : free(nvme_ctrlr->copied_ana_desc);
623 [ + - + - ]: 1025 : spdk_free(nvme_ctrlr->ana_log_page);
624 : :
625 [ + + + - : 1025 : if (nvme_ctrlr->opal_dev) {
+ - ]
626 [ # # # # ]: 53 : spdk_opal_dev_destruct(nvme_ctrlr->opal_dev);
627 [ # # # # ]: 53 : nvme_ctrlr->opal_dev = NULL;
628 : 0 : }
629 : :
630 [ + + + - : 1025 : if (nvme_ctrlr->nbdev_ctrlr) {
- + ]
631 [ + - + - ]: 1021 : nvme_bdev_ctrlr_delete(nvme_ctrlr->nbdev_ctrlr, nvme_ctrlr);
632 : 72 : }
633 : :
634 [ + + + + : 1025 : 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 [ + + + + : 2052 : TAILQ_FOREACH_SAFE(path_id, &nvme_ctrlr->trids, link, tmp_path) {
+ - + + +
- + - + -
+ + ]
640 [ + + + - : 1027 : TAILQ_REMOVE(&nvme_ctrlr->trids, path_id, link);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - ]
641 : 1027 : free(path_id);
642 : 73 : }
643 : :
644 [ + + + - ]: 1025 : pthread_mutex_destroy(&nvme_ctrlr->mutex);
645 [ + - + - ]: 1025 : spdk_keyring_put_key(nvme_ctrlr->psk);
646 [ + - + - ]: 1025 : spdk_keyring_put_key(nvme_ctrlr->dhchap_key);
647 [ + - + - ]: 1025 : spdk_keyring_put_key(nvme_ctrlr->dhchap_ctrlr_key);
648 : 1025 : free(nvme_ctrlr);
649 : :
650 [ + + ]: 1025 : pthread_mutex_lock(&g_bdev_nvme_mutex);
651 [ + + + + : 1025 : if (g_bdev_nvme_module_finish && TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
+ + ]
652 [ + + ]: 386 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
653 : 386 : spdk_io_device_unregister(&g_nvme_bdev_ctrlrs, NULL);
654 : 386 : spdk_bdev_module_fini_done();
655 : 386 : return;
656 : : }
657 [ - + ]: 639 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
658 : 73 : }
659 : :
660 : : static int
661 : 136773 : nvme_detach_poller(void *arg)
662 : : {
663 : 136773 : struct nvme_ctrlr *nvme_ctrlr = arg;
664 : : int rc;
665 : :
666 [ + - + - ]: 136773 : rc = spdk_nvme_detach_poll_async(nvme_ctrlr->detach_ctx);
667 [ + + ]: 136773 : if (rc != -EAGAIN) {
668 [ + - ]: 1025 : spdk_poller_unregister(&nvme_ctrlr->reset_detach_poller);
669 : 1025 : _nvme_ctrlr_delete(nvme_ctrlr);
670 : 73 : }
671 : :
672 : 136773 : return SPDK_POLLER_BUSY;
673 : : }
674 : :
675 : : static void
676 : 1025 : nvme_ctrlr_delete(struct nvme_ctrlr *nvme_ctrlr)
677 : : {
678 : : int rc;
679 : :
680 [ + - ]: 1025 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
681 : :
682 [ + + ]: 1025 : 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 [ + - ]: 1025 : spdk_poller_unregister(&nvme_ctrlr->adminq_timer_poller);
688 : :
689 : : /* If we got here, the reset/detach poller cannot be active */
690 [ + + + - : 1025 : assert(nvme_ctrlr->reset_detach_poller == NULL);
+ - # # ]
691 [ + - + - ]: 1025 : nvme_ctrlr->reset_detach_poller = SPDK_POLLER_REGISTER(nvme_detach_poller,
692 : : nvme_ctrlr, 1000);
693 [ + + + - : 1025 : 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 [ + - + - : 1025 : rc = spdk_nvme_detach_async(nvme_ctrlr->ctrlr, &nvme_ctrlr->detach_ctx);
+ - ]
699 [ - + ]: 1025 : if (rc != 0) {
700 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to detach the NVMe controller\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
701 : 0 : goto error;
702 : : }
703 : :
704 : 1025 : 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 : 73 : }
712 : :
713 : : static void
714 : 1021 : nvme_ctrlr_unregister_cb(void *io_device)
715 : : {
716 : 1021 : struct nvme_ctrlr *nvme_ctrlr = io_device;
717 : :
718 : 1021 : nvme_ctrlr_delete(nvme_ctrlr);
719 : 1021 : }
720 : :
721 : : static void
722 : 1021 : nvme_ctrlr_unregister(void *ctx)
723 : : {
724 : 1021 : struct nvme_ctrlr *nvme_ctrlr = ctx;
725 : :
726 : 1021 : spdk_io_device_unregister(nvme_ctrlr, nvme_ctrlr_unregister_cb);
727 : 1021 : }
728 : :
729 : : static bool
730 : 4065 : nvme_ctrlr_can_be_unregistered(struct nvme_ctrlr *nvme_ctrlr)
731 : : {
732 [ + + + + ]: 4065 : if (!nvme_ctrlr->destruct) {
733 : 2016 : return false;
734 : : }
735 : :
736 [ + + + - : 2049 : if (nvme_ctrlr->ref > 0) {
+ + ]
737 : 1027 : return false;
738 : : }
739 : :
740 [ + + - + ]: 1022 : if (nvme_ctrlr->resetting) {
741 : 1 : return false;
742 : : }
743 : :
744 [ + + - + ]: 1021 : if (nvme_ctrlr->ana_log_page_updating) {
745 : 0 : return false;
746 : : }
747 : :
748 [ + + - + ]: 1021 : if (nvme_ctrlr->io_path_cache_clearing) {
749 : 0 : return false;
750 : : }
751 : :
752 : 1021 : return true;
753 : 294 : }
754 : :
755 : : static void
756 : 3612 : nvme_ctrlr_put_ref(struct nvme_ctrlr *nvme_ctrlr)
757 : : {
758 [ + + + - ]: 3612 : pthread_mutex_lock(&nvme_ctrlr->mutex);
759 : 784 : SPDK_DTRACE_PROBE2(bdev_nvme_ctrlr_release, nvme_ctrlr->nbdev_ctrlr->name, nvme_ctrlr->ref);
760 : :
761 [ + + + - : 3612 : assert(nvme_ctrlr->ref > 0);
+ - # # ]
762 [ + - + - ]: 3612 : nvme_ctrlr->ref--;
763 : :
764 [ + + ]: 3612 : if (!nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
765 [ + + + - ]: 2592 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
766 : 2592 : return;
767 : : }
768 : :
769 [ + + + - ]: 1020 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
770 : :
771 [ + - + - ]: 1020 : spdk_thread_exec_msg(nvme_ctrlr->thread, nvme_ctrlr_unregister, nvme_ctrlr);
772 : 215 : }
773 : :
774 : : static void
775 : 2584 : nvme_ctrlr_get_ref(struct nvme_ctrlr *nvme_ctrlr)
776 : : {
777 [ + + + - ]: 2584 : pthread_mutex_lock(&nvme_ctrlr->mutex);
778 [ + - + - ]: 2584 : nvme_ctrlr->ref++;
779 [ + + + - ]: 2584 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
780 : 2584 : }
781 : :
782 : : static void
783 : 51629 : bdev_nvme_clear_current_io_path(struct nvme_bdev_channel *nbdev_ch)
784 : : {
785 [ + - + - ]: 51629 : nbdev_ch->current_io_path = NULL;
786 [ + - + - ]: 51629 : nbdev_ch->rr_counter = 0;
787 : 51629 : }
788 : :
789 : : static struct nvme_io_path *
790 : 32 : _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 [ + + # # : 64 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
795 [ + + # # : 60 : if (io_path->nvme_ns == nvme_ns) {
# # ]
796 : 28 : break;
797 : : }
798 : 8 : }
799 : :
800 : 32 : return io_path;
801 : : }
802 : :
803 : : static struct nvme_io_path *
804 : 1604 : nvme_io_path_alloc(void)
805 : : {
806 : : struct nvme_io_path *io_path;
807 : :
808 : 1604 : io_path = calloc(1, sizeof(*io_path));
809 [ + + ]: 1604 : if (io_path == NULL) {
810 : 0 : SPDK_ERRLOG("Failed to alloc io_path.\n");
811 : 0 : return NULL;
812 : : }
813 : :
814 [ + + + + : 1604 : 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 : 1604 : return io_path;
825 : 60 : }
826 : :
827 : : static void
828 : 1604 : nvme_io_path_free(struct nvme_io_path *io_path)
829 : : {
830 [ + - + - ]: 1604 : free(io_path->stat);
831 : 1604 : free(io_path);
832 : 1604 : }
833 : :
834 : : static int
835 : 1604 : _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 : 1604 : io_path = nvme_io_path_alloc();
843 [ + + ]: 1604 : if (io_path == NULL) {
844 : 0 : return -ENOMEM;
845 : : }
846 : :
847 [ + - + - ]: 1604 : io_path->nvme_ns = nvme_ns;
848 : :
849 [ + - + - ]: 1604 : ch = spdk_get_io_channel(nvme_ns->ctrlr);
850 [ + + ]: 1604 : 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 : 1604 : ctrlr_ch = spdk_io_channel_get_ctx(ch);
857 : :
858 [ + - + - ]: 1604 : nvme_qpair = ctrlr_ch->qpair;
859 [ + + # # ]: 1604 : assert(nvme_qpair != NULL);
860 : :
861 [ + - + - ]: 1604 : io_path->qpair = nvme_qpair;
862 [ + - + - : 1604 : TAILQ_INSERT_TAIL(&nvme_qpair->io_path_list, io_path, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
863 : :
864 [ + - + - ]: 1604 : io_path->nbdev_ch = nbdev_ch;
865 [ + - + - : 1604 : STAILQ_INSERT_TAIL(&nbdev_ch->io_path_list, io_path, stailq);
+ - + - +
- + - + -
+ - + - +
- + - +
- ]
866 : :
867 : 1604 : bdev_nvme_clear_current_io_path(nbdev_ch);
868 : :
869 : 1604 : return 0;
870 : 60 : }
871 : :
872 : : static void
873 : 1604 : 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 [ + + + - : 1608 : TAILQ_FOREACH(bio, &nbdev_ch->retry_io_list, retry_link) {
+ - + - #
# # # #
# ]
879 [ + + # # : 4 : if (bio->io_path == io_path) {
# # ]
880 [ # # # # ]: 4 : bio->io_path = NULL;
881 : 1 : }
882 : 1 : }
883 : 1604 : }
884 : :
885 : : static void
886 : 1604 : _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 : 1604 : 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 [ + + + - ]: 1604 : pthread_mutex_lock(&nbdev->mutex);
897 [ + + + + : 1604 : 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 [ + + + - ]: 1604 : pthread_mutex_unlock(&nbdev->mutex);
901 : :
902 : 1604 : bdev_nvme_clear_current_io_path(nbdev_ch);
903 : 1604 : bdev_nvme_clear_retry_io_path(nbdev_ch, io_path);
904 : :
905 [ + + + + : 1606 : STAILQ_REMOVE(&nbdev_ch->io_path_list, io_path, nvme_io_path, stailq);
+ + + + +
- + - + -
+ - + - +
- + - + -
+ - - + +
- + - + -
+ - + - #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
906 [ + - + - ]: 1604 : io_path->nbdev_ch = NULL;
907 : :
908 [ + - + - ]: 1604 : nvme_qpair = io_path->qpair;
909 [ + + # # ]: 1604 : assert(nvme_qpair != NULL);
910 : :
911 [ + - + - ]: 1604 : ctrlr_ch = nvme_qpair->ctrlr_ch;
912 [ + + # # ]: 1604 : assert(ctrlr_ch != NULL);
913 : :
914 : 1604 : ch = spdk_io_channel_from_ctx(ctrlr_ch);
915 : 1604 : 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 : 1604 : }
923 : :
924 : : static void
925 : 1550 : _bdev_nvme_delete_io_paths(struct nvme_bdev_channel *nbdev_ch)
926 : : {
927 : : struct nvme_io_path *io_path, *tmp_io_path;
928 : :
929 [ + + + + : 3146 : STAILQ_FOREACH_SAFE(io_path, &nbdev_ch->io_path_list, stailq, tmp_io_path) {
+ - + + +
- + - + -
+ + ]
930 : 1596 : _bdev_nvme_delete_io_path(nbdev_ch, io_path);
931 : 58 : }
932 : 1550 : }
933 : :
934 : : static int
935 : 1550 : bdev_nvme_create_bdev_channel_cb(void *io_device, void *ctx_buf)
936 : : {
937 : 1550 : struct nvme_bdev_channel *nbdev_ch = ctx_buf;
938 : 1550 : struct nvme_bdev *nbdev = io_device;
939 : : struct nvme_ns *nvme_ns;
940 : : int rc;
941 : :
942 [ + - + - : 1550 : STAILQ_INIT(&nbdev_ch->io_path_list);
+ - + - +
- + - + -
+ - ]
943 [ + - + - : 1550 : TAILQ_INIT(&nbdev_ch->retry_io_list);
+ - + - +
- + - + -
+ - ]
944 : :
945 [ + + + - ]: 1550 : pthread_mutex_lock(&nbdev->mutex);
946 : :
947 [ + - + - : 1550 : nbdev_ch->mp_policy = nbdev->mp_policy;
+ - + - ]
948 [ + - + - : 1550 : nbdev_ch->mp_selector = nbdev->mp_selector;
+ - + - ]
949 [ + - + - : 1550 : nbdev_ch->rr_min_io = nbdev->rr_min_io;
+ - + - ]
950 : :
951 [ + + + - : 3146 : TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
+ - + + +
- + - +
- ]
952 : 1596 : rc = _bdev_nvme_add_io_path(nbdev_ch, nvme_ns);
953 [ + + ]: 1596 : 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 : 58 : }
960 [ + + + - ]: 1550 : pthread_mutex_unlock(&nbdev->mutex);
961 : :
962 : 1550 : return 0;
963 : 47 : }
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 : 16853676 : __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 [ + + + + : 16853676 : spdk_trace_record(TRACE_BDEV_NVME_IO_DONE, 0, 0, (uintptr_t)bdev_io->driver_ctx,
+ - + - +
- + - + -
- + # # ]
973 : : (uintptr_t)bdev_io);
974 [ + + ]: 16853676 : if (cpl) {
975 [ + - + - : 16618653 : spdk_bdev_io_complete_nvme_status(bdev_io, cpl->cdw0, cpl->status.sct, cpl->status.sc);
+ - + - +
- + - + -
+ - ]
976 : 630735 : } else {
977 : 234625 : spdk_bdev_io_complete(bdev_io, status);
978 : : }
979 : 16853278 : }
980 : :
981 : : static void bdev_nvme_abort_retry_ios(struct nvme_bdev_channel *nbdev_ch);
982 : :
983 : : static void
984 : 1550 : bdev_nvme_destroy_bdev_channel_cb(void *io_device, void *ctx_buf)
985 : : {
986 : 1550 : struct nvme_bdev_channel *nbdev_ch = ctx_buf;
987 : :
988 : 1550 : bdev_nvme_abort_retry_ios(nbdev_ch);
989 : 1550 : _bdev_nvme_delete_io_paths(nbdev_ch);
990 : 1550 : }
991 : :
992 : : static inline bool
993 : 16904227 : bdev_nvme_io_type_is_admin(enum spdk_bdev_io_type io_type)
994 : : {
995 [ + + ]: 16904227 : switch (io_type) {
996 : 64 : case SPDK_BDEV_IO_TYPE_RESET:
997 : : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
998 : : case SPDK_BDEV_IO_TYPE_ABORT:
999 : 70 : return true;
1000 : 16272552 : default:
1001 : 16904157 : break;
1002 : : }
1003 : :
1004 : 16904157 : return false;
1005 : 631611 : }
1006 : :
1007 : : static inline bool
1008 : 3893931 : nvme_ns_is_active(struct nvme_ns *nvme_ns)
1009 : : {
1010 [ + + + + : 3893931 : if (spdk_unlikely(nvme_ns->ana_state_updating)) {
+ - - + ]
1011 : 938 : return false;
1012 : : }
1013 : :
1014 [ + + + - : 3892993 : if (spdk_unlikely(nvme_ns->ns == NULL)) {
- + ]
1015 : 0 : return false;
1016 : : }
1017 : :
1018 : 3892993 : return true;
1019 : 286011 : }
1020 : :
1021 : : static inline bool
1022 : 3893850 : nvme_ns_is_accessible(struct nvme_ns *nvme_ns)
1023 : : {
1024 [ + + ]: 3893850 : if (spdk_unlikely(!nvme_ns_is_active(nvme_ns))) {
1025 : 938 : return false;
1026 : : }
1027 : :
1028 [ + + + - : 3892912 : switch (nvme_ns->ana_state) {
+ - ]
1029 : 3371141 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
1030 : : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
1031 : 3657097 : return true;
1032 : 235806 : default:
1033 : 235815 : break;
1034 : : }
1035 : :
1036 : 235815 : return false;
1037 : 285966 : }
1038 : :
1039 : : static inline bool
1040 : 4171225 : nvme_qpair_is_connected(struct nvme_qpair *nvme_qpair)
1041 : : {
1042 [ + + + - : 4171225 : if (spdk_unlikely(nvme_qpair->qpair == NULL)) {
- + ]
1043 : 272412 : return false;
1044 : : }
1045 : :
1046 [ + + + - : 3898813 : if (spdk_unlikely(spdk_nvme_qpair_get_failure_reason(nvme_qpair->qpair) !=
- + ]
1047 : : SPDK_NVME_QPAIR_FAILURE_NONE)) {
1048 : 840 : return false;
1049 : : }
1050 : :
1051 [ + + + - : 3897973 : if (spdk_unlikely(nvme_qpair->ctrlr_ch->reset_iter != NULL)) {
+ - + - -
+ ]
1052 : 1272 : return false;
1053 : : }
1054 : :
1055 : 3896701 : return true;
1056 : 286043 : }
1057 : :
1058 : : static inline bool
1059 : 4123449 : nvme_io_path_is_available(struct nvme_io_path *io_path)
1060 : : {
1061 [ + + + - : 4123449 : if (spdk_unlikely(!nvme_qpair_is_connected(io_path->qpair))) {
- + ]
1062 : 229781 : return false;
1063 : : }
1064 : :
1065 [ + + + - : 3893668 : if (spdk_unlikely(!nvme_ns_is_accessible(io_path->nvme_ns))) {
- + ]
1066 : 236723 : return false;
1067 : : }
1068 : :
1069 : 3656945 : return true;
1070 : 285920 : }
1071 : :
1072 : : static inline bool
1073 : 44743 : nvme_ctrlr_is_failed(struct nvme_ctrlr *nvme_ctrlr)
1074 : : {
1075 [ + + # # ]: 44743 : if (nvme_ctrlr->destruct) {
1076 : 256 : return true;
1077 : : }
1078 : :
1079 [ + + # # ]: 44487 : if (nvme_ctrlr->fast_io_fail_timedout) {
1080 : 37494 : return true;
1081 : : }
1082 : :
1083 [ + + # # ]: 6993 : if (nvme_ctrlr->resetting) {
1084 [ + + # # : 4105 : if (nvme_ctrlr->opts.reconnect_delay_sec != 0) {
# # # # ]
1085 : 532 : return false;
1086 : : } else {
1087 : 3573 : return true;
1088 : : }
1089 : : }
1090 : :
1091 [ + + # # ]: 2888 : if (nvme_ctrlr->reconnect_is_delayed) {
1092 : 2056 : return false;
1093 : : }
1094 : :
1095 [ - + # # ]: 832 : if (nvme_ctrlr->disabled) {
1096 : 0 : return true;
1097 : : }
1098 : :
1099 [ - + # # : 832 : if (spdk_nvme_ctrlr_is_failed(nvme_ctrlr->ctrlr)) {
# # ]
1100 : 0 : return true;
1101 : : } else {
1102 : 832 : return false;
1103 : : }
1104 : 9 : }
1105 : :
1106 : : static bool
1107 : 2567 : nvme_ctrlr_is_available(struct nvme_ctrlr *nvme_ctrlr)
1108 : : {
1109 [ - + # # ]: 2567 : if (nvme_ctrlr->destruct) {
1110 : 0 : return false;
1111 : : }
1112 : :
1113 [ + + # # : 2567 : if (spdk_nvme_ctrlr_is_failed(nvme_ctrlr->ctrlr)) {
# # ]
1114 : 12 : return false;
1115 : : }
1116 : :
1117 [ + + - + : 2555 : if (nvme_ctrlr->resetting || nvme_ctrlr->reconnect_is_delayed) {
# # # # ]
1118 : 255 : return false;
1119 : : }
1120 : :
1121 [ + + # # ]: 2300 : if (nvme_ctrlr->disabled) {
1122 : 0 : return false;
1123 : : }
1124 : :
1125 : 2300 : return true;
1126 : 33 : }
1127 : :
1128 : : /* Simulate circular linked list. */
1129 : : static inline struct nvme_io_path *
1130 : 1996106 : 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 [ + + ]: 1996106 : if (prev_path != NULL) {
1135 [ # # # # : 1523485 : next_path = STAILQ_NEXT(prev_path, stailq);
# # ]
1136 [ + + ]: 1523485 : if (next_path != NULL) {
1137 : 765270 : return next_path;
1138 : : }
1139 : 25 : }
1140 : :
1141 [ + - + - : 1230836 : return STAILQ_FIRST(&nbdev_ch->io_path_list);
+ - ]
1142 : 120 : }
1143 : :
1144 : : static struct nvme_io_path *
1145 : 760929 : _bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
1146 : : {
1147 : 760929 : struct nvme_io_path *io_path, *start, *non_optimized = NULL;
1148 : :
1149 [ + - + - ]: 760929 : start = nvme_io_path_get_next(nbdev_ch, nbdev_ch->current_io_path);
1150 : :
1151 : 760929 : io_path = start;
1152 : 88 : do {
1153 [ + + ]: 1392886 : if (spdk_likely(nvme_io_path_is_available(io_path))) {
1154 [ + + + - : 926428 : switch (io_path->nvme_ns->ana_state) {
+ - + - +
- - ]
1155 : 157641 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
1156 [ + - + - ]: 157709 : nbdev_ch->current_io_path = io_path;
1157 : 157709 : return io_path;
1158 : 768709 : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
1159 [ + + ]: 768719 : if (non_optimized == NULL) {
1160 : 623994 : non_optimized = io_path;
1161 : 7 : }
1162 : 768719 : break;
1163 : 0 : default:
1164 [ # # ]: 0 : assert(false);
1165 : : break;
1166 : : }
1167 : 10 : }
1168 : 1235177 : io_path = nvme_io_path_get_next(nbdev_ch, io_path);
1169 [ + + ]: 1235177 : } while (io_path != start);
1170 : :
1171 [ + + # # : 603220 : 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 [ # # # # ]: 132243 : nbdev_ch->current_io_path = non_optimized;
1176 : 1 : }
1177 : :
1178 : 603220 : return non_optimized;
1179 : 88 : }
1180 : :
1181 : : static struct nvme_io_path *
1182 : 16 : _bdev_nvme_find_io_path_min_qd(struct nvme_bdev_channel *nbdev_ch)
1183 : : {
1184 : : struct nvme_io_path *io_path;
1185 : 16 : struct nvme_io_path *optimized = NULL, *non_optimized = NULL;
1186 : 16 : uint32_t opt_min_qd = UINT32_MAX, non_opt_min_qd = UINT32_MAX;
1187 : : uint32_t num_outstanding_reqs;
1188 : :
1189 [ + + # # : 64 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
1190 [ - + # # : 48 : if (spdk_unlikely(!nvme_qpair_is_connected(io_path->qpair))) {
# # ]
1191 : : /* The device is currently resetting. */
1192 : 0 : continue;
1193 : : }
1194 : :
1195 [ - + # # : 48 : if (spdk_unlikely(!nvme_ns_is_active(io_path->nvme_ns))) {
# # ]
1196 : 0 : continue;
1197 : : }
1198 : :
1199 [ # # # # : 48 : num_outstanding_reqs = spdk_nvme_qpair_get_num_outstanding_reqs(io_path->qpair->qpair);
# # # # ]
1200 [ + + + # : 48 : switch (io_path->nvme_ns->ana_state) {
# # # # #
# # ]
1201 : 18 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
1202 [ + + ]: 24 : if (num_outstanding_reqs < opt_min_qd) {
1203 : 20 : opt_min_qd = num_outstanding_reqs;
1204 : 20 : optimized = io_path;
1205 : 5 : }
1206 : 24 : break;
1207 : 9 : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
1208 [ + + ]: 12 : if (num_outstanding_reqs < non_opt_min_qd) {
1209 : 12 : non_opt_min_qd = num_outstanding_reqs;
1210 : 12 : non_optimized = io_path;
1211 : 3 : }
1212 : 12 : break;
1213 : 9 : default:
1214 : 12 : break;
1215 : : }
1216 : 12 : }
1217 : :
1218 : : /* don't cache io path for BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH selector */
1219 [ + + ]: 16 : if (optimized != NULL) {
1220 : 12 : return optimized;
1221 : : }
1222 : :
1223 : 4 : return non_optimized;
1224 : 4 : }
1225 : :
1226 : : static inline struct nvme_io_path *
1227 : 16859382 : bdev_nvme_find_io_path(struct nvme_bdev_channel *nbdev_ch)
1228 : : {
1229 [ + + + - : 16859382 : if (spdk_likely(nbdev_ch->current_io_path != NULL)) {
+ + ]
1230 [ + + + - : 16386745 : if (nbdev_ch->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE) {
- + ]
1231 [ + - + - ]: 16098425 : return nbdev_ch->current_io_path;
1232 [ + + # # : 288320 : } else if (nbdev_ch->mp_selector == BDEV_NVME_MP_SELECTOR_ROUND_ROBIN) {
# # ]
1233 [ + + # # : 288320 : if (++nbdev_ch->rr_counter < nbdev_ch->rr_min_io) {
# # # # ]
1234 [ # # # # ]: 12 : return nbdev_ch->current_io_path;
1235 : : }
1236 [ # # # # ]: 288308 : nbdev_ch->rr_counter = 0;
1237 : 7 : }
1238 : 7 : }
1239 : :
1240 [ + + + + : 760945 : if (nbdev_ch->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE ||
- + # # ]
1241 [ + + # # ]: 288347 : nbdev_ch->mp_selector == BDEV_NVME_MP_SELECTOR_ROUND_ROBIN) {
1242 : 760929 : return _bdev_nvme_find_io_path(nbdev_ch);
1243 : : } else {
1244 : 16 : return _bdev_nvme_find_io_path_min_qd(nbdev_ch);
1245 : : }
1246 : 630588 : }
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 : 47515 : any_io_path_may_become_available(struct nvme_bdev_channel *nbdev_ch)
1261 : : {
1262 : : struct nvme_io_path *io_path;
1263 : :
1264 [ + + + + : 47515 : if (nbdev_ch->resetting) {
# # # # ]
1265 : 4 : return false;
1266 : : }
1267 : :
1268 [ + + # # : 89346 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
1269 [ - + + + : 48023 : if (io_path->nvme_ns->ana_transition_timedout) {
# # # # #
# # # ]
1270 : 512 : continue;
1271 : : }
1272 : :
1273 [ + + + + : 47511 : if (nvme_qpair_is_connected(io_path->qpair) ||
# # # # ]
1274 [ + + # # : 44743 : !nvme_ctrlr_is_failed(io_path->qpair->ctrlr)) {
# # # # ]
1275 : 6188 : return true;
1276 : : }
1277 : 2 : }
1278 : :
1279 : 41323 : return false;
1280 : 15 : }
1281 : :
1282 : : static void
1283 : 7324 : bdev_nvme_retry_io(struct nvme_bdev_channel *nbdev_ch, struct spdk_bdev_io *bdev_io)
1284 : : {
1285 [ # # ]: 7324 : struct nvme_bdev_io *nbdev_io = (struct nvme_bdev_io *)bdev_io->driver_ctx;
1286 : : struct spdk_io_channel *ch;
1287 : :
1288 [ + + + - : 7324 : if (nbdev_io->io_path != NULL && nvme_io_path_is_available(nbdev_io->io_path)) {
# # # # #
# # # ]
1289 : 1140 : _bdev_nvme_submit_request(nbdev_ch, bdev_io);
1290 : 3 : } else {
1291 : 6184 : ch = spdk_io_channel_from_ctx(nbdev_ch);
1292 : 6184 : bdev_nvme_submit_request(ch, bdev_io);
1293 : : }
1294 : 7324 : }
1295 : :
1296 : : static int
1297 : 1293 : bdev_nvme_retry_ios(void *arg)
1298 : : {
1299 : 1293 : struct nvme_bdev_channel *nbdev_ch = arg;
1300 : : struct nvme_bdev_io *bio, *tmp_bio;
1301 : : uint64_t now, delay_us;
1302 : :
1303 : 1293 : now = spdk_get_ticks();
1304 : :
1305 [ + + + + : 8617 : TAILQ_FOREACH_SAFE(bio, &nbdev_ch->retry_io_list, retry_link, tmp_bio) {
# # # # #
# # # # #
# # ]
1306 [ + + # # : 7417 : if (bio->retry_ticks > now) {
# # ]
1307 : 93 : break;
1308 : : }
1309 : :
1310 [ + + # # : 7324 : TAILQ_REMOVE(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1311 : :
1312 : 7324 : bdev_nvme_retry_io(nbdev_ch, spdk_bdev_io_from_ctx(bio));
1313 : 14 : }
1314 : :
1315 [ # # ]: 1293 : spdk_poller_unregister(&nbdev_ch->retry_io_poller);
1316 : :
1317 [ # # # # : 1293 : bio = TAILQ_FIRST(&nbdev_ch->retry_io_list);
# # ]
1318 [ + + ]: 1293 : if (bio != NULL) {
1319 [ - + # # : 105 : delay_us = (bio->retry_ticks - now) * SPDK_SEC_TO_USEC / spdk_get_ticks_hz();
# # ]
1320 : :
1321 [ # # # # ]: 105 : nbdev_ch->retry_io_poller = SPDK_POLLER_REGISTER(bdev_nvme_retry_ios, nbdev_ch,
1322 : : delay_us);
1323 : 4 : }
1324 : :
1325 : 1293 : return SPDK_POLLER_BUSY;
1326 : : }
1327 : :
1328 : : static void
1329 : 7332 : 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 [ # # # # : 7332 : bio->retry_ticks = spdk_get_ticks() + delay_ms * spdk_get_ticks_hz() / 1000ULL;
# # ]
1335 : :
1336 [ + + # # : 11970 : TAILQ_FOREACH_REVERSE(tmp_bio, &nbdev_ch->retry_io_list, retry_io_head, retry_link) {
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1337 [ + + # # : 10758 : if (tmp_bio->retry_ticks <= bio->retry_ticks) {
# # # # #
# ]
1338 [ + + # # : 6120 : TAILQ_INSERT_AFTER(&nbdev_ch->retry_io_list, tmp_bio, bio,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1339 : : retry_link);
1340 : 6120 : return;
1341 : : }
1342 : 0 : }
1343 : :
1344 : : /* No earlier I/Os were found. This I/O must be the new head. */
1345 [ + + # # : 1212 : TAILQ_INSERT_HEAD(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
1346 : :
1347 [ # # ]: 1212 : spdk_poller_unregister(&nbdev_ch->retry_io_poller);
1348 : :
1349 [ # # # # ]: 1212 : nbdev_ch->retry_io_poller = SPDK_POLLER_REGISTER(bdev_nvme_retry_ios, nbdev_ch,
1350 : : delay_ms * 1000ULL);
1351 : 16 : }
1352 : :
1353 : : static void
1354 : 1711 : bdev_nvme_abort_retry_ios(struct nvme_bdev_channel *nbdev_ch)
1355 : : {
1356 : : struct nvme_bdev_io *bio, *tmp_bio;
1357 : :
1358 [ + + + + : 1715 : TAILQ_FOREACH_SAFE(bio, &nbdev_ch->retry_io_list, retry_link, tmp_bio) {
+ - + - #
# # # # #
+ - ]
1359 [ - + # # : 4 : TAILQ_REMOVE(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1360 : 4 : __bdev_nvme_io_complete(spdk_bdev_io_from_ctx(bio), SPDK_BDEV_IO_STATUS_ABORTED, NULL);
1361 : 1 : }
1362 : :
1363 [ + - ]: 1711 : spdk_poller_unregister(&nbdev_ch->retry_io_poller);
1364 : 1711 : }
1365 : :
1366 : : static int
1367 : 2580 : 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 [ + + # # : 2580 : TAILQ_FOREACH(bio, &nbdev_ch->retry_io_list, retry_link) {
# # # # #
# # # #
# ]
1373 [ + + ]: 4 : if (bio == bio_to_abort) {
1374 [ - + # # : 4 : TAILQ_REMOVE(&nbdev_ch->retry_io_list, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1375 : 4 : __bdev_nvme_io_complete(spdk_bdev_io_from_ctx(bio), SPDK_BDEV_IO_STATUS_ABORTED, NULL);
1376 : 4 : return 0;
1377 : : }
1378 : 0 : }
1379 : :
1380 : 2576 : return -ENOENT;
1381 : 6 : }
1382 : :
1383 : : static void
1384 : 3269 : 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 [ + + + + : 3269 : assert(spdk_nvme_cpl_is_error(cpl));
# # # # #
# # # # #
# # # # ]
1390 : :
1391 [ # # # # : 3269 : nbdev = bdev_io->bdev->ctxt;
# # # # ]
1392 : :
1393 [ + + # # : 3269 : if (nbdev->err_stat == NULL) {
# # ]
1394 : 2153 : return;
1395 : : }
1396 : :
1397 [ # # # # : 1116 : sct = cpl->status.sct;
# # ]
1398 [ # # # # : 1116 : sc = cpl->status.sc;
# # ]
1399 : :
1400 [ - + # # ]: 1116 : pthread_mutex_lock(&nbdev->mutex);
1401 : :
1402 [ # # # # : 1116 : nbdev->err_stat->status_type[sct]++;
# # # # #
# ]
1403 [ + - ]: 1116 : switch (sct) {
1404 : 1116 : 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 [ # # # # : 1116 : nbdev->err_stat->status[sct][sc]++;
# # # # #
# # # ]
1409 : 1116 : break;
1410 : 0 : default:
1411 : 0 : break;
1412 : : }
1413 : :
1414 [ - + # # ]: 1116 : pthread_mutex_unlock(&nbdev->mutex);
1415 : 14 : }
1416 : :
1417 : : static inline void
1418 : 16618831 : bdev_nvme_update_io_path_stat(struct nvme_bdev_io *bio)
1419 : : {
1420 : 16618831 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
1421 [ + - + - : 16618831 : uint64_t num_blocks = bdev_io->u.bdev.num_blocks;
+ - + - ]
1422 [ + - + - : 16618831 : uint32_t blocklen = bdev_io->bdev->blocklen;
+ - + - ]
1423 : : struct spdk_bdev_io_stat *stat;
1424 : : uint64_t tsc_diff;
1425 : :
1426 [ + + + - : 16618831 : if (bio->io_path->stat == NULL) {
+ - + - +
- ]
1427 : 16618831 : 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 : 631036 : }
1509 : :
1510 : : static bool
1511 : 3204 : 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 [ # # # # ]: 3204 : struct nvme_io_path *io_path = bio->io_path;
1517 [ # # # # : 3204 : struct nvme_ctrlr *nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
1518 : : const struct spdk_nvme_ctrlr_data *cdata;
1519 : :
1520 [ + + - + : 3208 : if (spdk_nvme_cpl_is_path_error(cpl) ||
# # # # #
# ]
1521 [ + + + + : 2204 : spdk_nvme_cpl_is_aborted_sq_deletion(cpl) ||
# # # # #
# # # #
# ]
1522 [ + + ]: 1140 : !nvme_io_path_is_available(io_path) ||
1523 [ - + ]: 1144 : !nvme_ctrlr_is_available(nvme_ctrlr)) {
1524 : 2068 : bdev_nvme_clear_current_io_path(nbdev_ch);
1525 [ # # # # ]: 2068 : bio->io_path = NULL;
1526 [ + + + - : 2068 : if (spdk_nvme_cpl_is_ana_error(cpl)) {
+ + - + #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1527 [ + + ]: 992 : if (nvme_ctrlr_read_ana_log_page(nvme_ctrlr) == 0) {
1528 [ # # # # : 10 : io_path->nvme_ns->ana_state_updating = true;
# # # # ]
1529 : 1 : }
1530 : 1 : }
1531 [ + + ]: 2056 : if (!any_io_path_may_become_available(nbdev_ch)) {
1532 : 0 : return false;
1533 : : }
1534 [ # # ]: 2056 : *_delay_ms = 0;
1535 : 3 : } else {
1536 [ # # # # ]: 1144 : bio->retry_count++;
1537 : :
1538 [ # # # # ]: 1144 : cdata = spdk_nvme_ctrlr_get_data(nvme_ctrlr->ctrlr);
1539 : :
1540 [ + + # # : 1144 : if (cpl->status.crd != 0) {
# # # # ]
1541 [ # # # # : 4 : *_delay_ms = cdata->crdt[cpl->status.crd] * 100;
# # # # #
# # # # #
# # # # ]
1542 : 1 : } else {
1543 [ # # ]: 1140 : *_delay_ms = 0;
1544 : : }
1545 : : }
1546 : :
1547 : 3200 : return true;
1548 : 7 : }
1549 : :
1550 : : static inline void
1551 : 16622627 : bdev_nvme_io_complete_nvme_status(struct nvme_bdev_io *bio,
1552 : : const struct spdk_nvme_cpl *cpl)
1553 : : {
1554 : 16622627 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
1555 : : struct nvme_bdev_channel *nbdev_ch;
1556 : 7004016 : uint64_t delay_ms;
1557 : :
1558 [ + + + - : 16622627 : assert(!bdev_nvme_io_type_is_admin(bdev_io->type));
+ - # # ]
1559 : :
1560 [ + + + + : 16622627 : if (spdk_likely(spdk_nvme_cpl_is_success(cpl))) {
+ - - + +
- + - + -
+ - ]
1561 : 16619298 : bdev_nvme_update_io_path_stat(bio);
1562 : 16619298 : 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 : 3277 : bdev_nvme_update_nvme_error_stat(bdev_io, cpl);
1569 : :
1570 [ + + + + : 3284 : if (cpl->status.dnr != 0 || spdk_nvme_cpl_is_aborted_by_request(cpl) ||
+ + # # #
# # # # #
# # # # #
# # # #
# ]
1571 [ + + + + : 3202 : (g_opts.bdev_retry_count != -1 && bio->retry_count >= g_opts.bdev_retry_count)) {
# # # # #
# ]
1572 : 87 : 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 [ - + # # : 3200 : if (bdev_io->u.bdev.accel_sequence != NULL) {
# # # # #
# ]
1578 : 0 : goto complete;
1579 : : }
1580 : :
1581 : 3200 : nbdev_ch = spdk_io_channel_get_ctx(spdk_bdev_io_get_io_channel(bdev_io));
1582 : :
1583 [ + - ]: 3200 : if (bdev_nvme_check_retry_io(bio, cpl, nbdev_ch, &delay_ms)) {
1584 : 3200 : bdev_nvme_queue_retry_io(nbdev_ch, bio, delay_ms);
1585 : 3200 : return;
1586 : : }
1587 : :
1588 : 7003995 : complete:
1589 [ + - + - ]: 16619367 : bio->retry_count = 0;
1590 [ + - + - ]: 16619367 : bio->submit_tsc = 0;
1591 [ + - + - : 16619367 : bdev_io->u.bdev.accel_sequence = NULL;
+ - + - ]
1592 : 16619367 : __bdev_nvme_io_complete(bdev_io, 0, cpl);
1593 : 631517 : }
1594 : :
1595 : : static inline void
1596 : 236068 : bdev_nvme_io_complete(struct nvme_bdev_io *bio, int rc)
1597 : : {
1598 : 236068 : 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 [ - + # # : 236068 : assert(!bdev_nvme_io_type_is_admin(bdev_io->type));
# # # # ]
1603 : :
1604 [ + + + + ]: 236068 : switch (rc) {
1605 : 167430 : case 0:
1606 : 167431 : io_status = SPDK_BDEV_IO_STATUS_SUCCESS;
1607 : 167431 : break;
1608 : 23178 : case -ENOMEM:
1609 : 23178 : io_status = SPDK_BDEV_IO_STATUS_NOMEM;
1610 : 23178 : break;
1611 : 45447 : case -ENXIO:
1612 [ + + + - : 45462 : if (g_opts.bdev_retry_count == -1 || bio->retry_count < g_opts.bdev_retry_count) {
# # # # #
# # # ]
1613 : 45459 : nbdev_ch = spdk_io_channel_get_ctx(spdk_bdev_io_get_io_channel(bdev_io));
1614 : :
1615 : 45459 : bdev_nvme_clear_current_io_path(nbdev_ch);
1616 [ # # # # ]: 45459 : bio->io_path = NULL;
1617 : :
1618 [ + + ]: 45459 : if (any_io_path_may_become_available(nbdev_ch)) {
1619 : 4132 : bdev_nvme_queue_retry_io(nbdev_ch, bio, 1000ULL);
1620 : 4132 : return;
1621 : : }
1622 : 3 : }
1623 : :
1624 : : /* fallthrough */
1625 : : default:
1626 [ # # # # : 41327 : spdk_accel_sequence_abort(bdev_io->u.bdev.accel_sequence);
# # # # ]
1627 [ # # # # : 41327 : bdev_io->u.bdev.accel_sequence = NULL;
# # # # ]
1628 : 41327 : io_status = SPDK_BDEV_IO_STATUS_FAILED;
1629 : 41327 : break;
1630 : : }
1631 : :
1632 [ # # # # ]: 231936 : bio->retry_count = 0;
1633 [ # # # # ]: 231936 : bio->submit_tsc = 0;
1634 : 231936 : __bdev_nvme_io_complete(bdev_io, io_status, NULL);
1635 : 13 : }
1636 : :
1637 : : static inline void
1638 : 16 : bdev_nvme_admin_complete(struct nvme_bdev_io *bio, int rc)
1639 : : {
1640 : 16 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
1641 : : enum spdk_bdev_io_status io_status;
1642 : :
1643 [ + + + + ]: 16 : switch (rc) {
1644 : 3 : case 0:
1645 : 4 : io_status = SPDK_BDEV_IO_STATUS_SUCCESS;
1646 : 4 : break;
1647 : 0 : case -ENOMEM:
1648 : 0 : io_status = SPDK_BDEV_IO_STATUS_NOMEM;
1649 : 0 : break;
1650 : 10 : case -ENXIO:
1651 : : /* fallthrough */
1652 : : default:
1653 : 12 : io_status = SPDK_BDEV_IO_STATUS_FAILED;
1654 : 12 : break;
1655 : : }
1656 : :
1657 : 16 : __bdev_nvme_io_complete(bdev_io, io_status, NULL);
1658 : 16 : }
1659 : :
1660 : : static void
1661 : 52 : bdev_nvme_clear_io_path_caches_done(struct nvme_ctrlr *nvme_ctrlr,
1662 : : void *ctx, int status)
1663 : : {
1664 [ - + # # ]: 52 : pthread_mutex_lock(&nvme_ctrlr->mutex);
1665 : :
1666 [ + + # # : 52 : assert(nvme_ctrlr->io_path_cache_clearing == true);
# # ]
1667 [ # # ]: 52 : nvme_ctrlr->io_path_cache_clearing = false;
1668 : :
1669 [ + + ]: 52 : if (!nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
1670 [ - + # # ]: 52 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1671 : 52 : return;
1672 : : }
1673 : :
1674 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1675 : :
1676 : 0 : nvme_ctrlr_unregister(nvme_ctrlr);
1677 : 3 : }
1678 : :
1679 : : static void
1680 : 5880 : _bdev_nvme_clear_io_path_cache(struct nvme_qpair *nvme_qpair)
1681 : : {
1682 : : struct nvme_io_path *io_path;
1683 : :
1684 [ + + + - : 9954 : TAILQ_FOREACH(io_path, &nvme_qpair->io_path_list, tailq) {
+ - + + +
- + - +
- ]
1685 [ + + + - : 4074 : if (io_path->nbdev_ch == NULL) {
- + ]
1686 : 3181 : continue;
1687 : : }
1688 [ # # # # ]: 893 : bdev_nvme_clear_current_io_path(io_path->nbdev_ch);
1689 : 167 : }
1690 : 5880 : }
1691 : :
1692 : : static void
1693 : 35 : 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 [ + + # # : 35 : assert(ctrlr_ch->qpair != NULL);
# # # # ]
1699 : :
1700 [ # # # # ]: 35 : _bdev_nvme_clear_io_path_cache(ctrlr_ch->qpair);
1701 : :
1702 : 35 : nvme_ctrlr_for_each_channel_continue(i, 0);
1703 : 35 : }
1704 : :
1705 : : static void
1706 : 303 : bdev_nvme_clear_io_path_caches(struct nvme_ctrlr *nvme_ctrlr)
1707 : : {
1708 [ - + # # ]: 303 : pthread_mutex_lock(&nvme_ctrlr->mutex);
1709 [ + + + + ]: 303 : if (!nvme_ctrlr_is_available(nvme_ctrlr) ||
1710 [ # # ]: 3 : nvme_ctrlr->io_path_cache_clearing) {
1711 [ - + # # ]: 251 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1712 : 251 : return;
1713 : : }
1714 : :
1715 [ # # ]: 52 : nvme_ctrlr->io_path_cache_clearing = true;
1716 [ - + # # ]: 52 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
1717 : :
1718 : 52 : 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 : 15 : }
1723 : :
1724 : : static struct nvme_qpair *
1725 : 1865 : nvme_poll_group_get_qpair(struct nvme_poll_group *group, struct spdk_nvme_qpair *qpair)
1726 : : {
1727 : : struct nvme_qpair *nvme_qpair;
1728 : :
1729 [ + + + - : 2022 : TAILQ_FOREACH(nvme_qpair, &group->qpair_list, tailq) {
+ - - + #
# # # #
# ]
1730 [ + + + - : 2022 : if (nvme_qpair->qpair == qpair) {
- + ]
1731 : 1865 : break;
1732 : : }
1733 : 17 : }
1734 : :
1735 : 1865 : return nvme_qpair;
1736 : : }
1737 : :
1738 : : static void nvme_qpair_delete(struct nvme_qpair *nvme_qpair);
1739 : :
1740 : : static void
1741 : 1865 : bdev_nvme_disconnected_qpair_cb(struct spdk_nvme_qpair *qpair, void *poll_group_ctx)
1742 : : {
1743 : 1865 : 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 : 1865 : nvme_qpair = nvme_poll_group_get_qpair(group, qpair);
1750 [ + + ]: 1865 : if (nvme_qpair == NULL) {
1751 : 0 : return;
1752 : : }
1753 : :
1754 [ + + + - : 1865 : if (nvme_qpair->qpair != NULL) {
- + ]
1755 [ + - + - ]: 1865 : spdk_nvme_ctrlr_free_io_qpair(nvme_qpair->qpair);
1756 [ + - + - ]: 1865 : nvme_qpair->qpair = NULL;
1757 : 143 : }
1758 : :
1759 : 1865 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
1760 : :
1761 [ + - + - ]: 1865 : nvme_ctrlr = nvme_qpair->ctrlr;
1762 [ + - + - ]: 1865 : ctrlr_ch = nvme_qpair->ctrlr_ch;
1763 : :
1764 [ + + ]: 1865 : if (ctrlr_ch != NULL) {
1765 [ + + # # : 338 : if (ctrlr_ch->reset_iter != NULL) {
# # ]
1766 : : /* We are in a full reset sequence. */
1767 [ - + # # : 309 : 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 [ + + - + : 309 : NVME_CTRLR_INFOLOG(nvme_ctrlr,
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1777 : : "qpair %p was disconnected and freed in a reset ctrlr sequence.\n",
1778 : : qpair);
1779 : 309 : status = 0;
1780 : : }
1781 [ # # # # ]: 309 : nvme_ctrlr_for_each_channel_continue(ctrlr_ch->reset_iter, status);
1782 [ # # # # ]: 309 : ctrlr_ch->reset_iter = NULL;
1783 : 70 : } else {
1784 : : /* qpair was disconnected unexpectedly. Reset controller for recovery. */
1785 [ + + - + : 29 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpair %p was disconnected and freed. reset controller.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1786 : : qpair);
1787 : 29 : bdev_nvme_failover_ctrlr(nvme_ctrlr);
1788 : : }
1789 : 75 : } else {
1790 : : /* In this case, ctrlr_channel is already deleted. */
1791 [ + + + + : 1527 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpair %p was disconnected and freed. delete nvme_qpair.\n",
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1792 : : qpair);
1793 : 1527 : nvme_qpair_delete(nvme_qpair);
1794 : : }
1795 : 143 : }
1796 : :
1797 : : static void
1798 : 0 : bdev_nvme_check_io_qpairs(struct nvme_poll_group *group)
1799 : : {
1800 : : struct nvme_qpair *nvme_qpair;
1801 : :
1802 [ # # # # : 0 : TAILQ_FOREACH(nvme_qpair, &group->qpair_list, tailq) {
# # # # #
# # # #
# ]
1803 [ # # # # : 0 : if (nvme_qpair->qpair == NULL || nvme_qpair->ctrlr_ch == NULL) {
# # # # #
# # # ]
1804 : 0 : continue;
1805 : : }
1806 : :
1807 [ # # # # : 0 : if (spdk_nvme_qpair_get_failure_reason(nvme_qpair->qpair) !=
# # ]
1808 : : SPDK_NVME_QPAIR_FAILURE_NONE) {
1809 : 0 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
1810 : 0 : }
1811 : 0 : }
1812 : 0 : }
1813 : :
1814 : : static int
1815 : 359151457 : bdev_nvme_poll(void *arg)
1816 : : {
1817 : 359151457 : struct nvme_poll_group *group = arg;
1818 : : int64_t num_completions;
1819 : :
1820 [ + + + + : 359151457 : if (group->collect_spin_stat && group->start_ticks == 0) {
+ - - + #
# # # #
# ]
1821 [ # # # # ]: 0 : group->start_ticks = spdk_get_ticks();
1822 : 0 : }
1823 : :
1824 [ + - + - ]: 359151457 : num_completions = spdk_nvme_poll_group_process_completions(group->group, 0,
1825 : : bdev_nvme_disconnected_qpair_cb);
1826 [ + + + + : 359151457 : 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 [ + + ]: 359151457 : if (spdk_unlikely(num_completions < 0)) {
1839 : 0 : bdev_nvme_check_io_qpairs(group);
1840 : 0 : }
1841 : :
1842 : 359151457 : 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 : 714 : bdev_nvme_change_adminq_poll_period(struct nvme_ctrlr *nvme_ctrlr, uint64_t new_period_us)
1849 : : {
1850 [ - + ]: 714 : if (spdk_interrupt_mode_is_enabled()) {
1851 : 0 : return;
1852 : : }
1853 : :
1854 [ # # ]: 714 : spdk_poller_unregister(&nvme_ctrlr->adminq_timer_poller);
1855 : :
1856 [ # # # # ]: 714 : nvme_ctrlr->adminq_timer_poller = SPDK_POLLER_REGISTER(bdev_nvme_poll_adminq,
1857 : : nvme_ctrlr, new_period_us);
1858 : 146 : }
1859 : :
1860 : : static int
1861 : 383772 : bdev_nvme_poll_adminq(void *arg)
1862 : : {
1863 : : int32_t rc;
1864 : 383772 : struct nvme_ctrlr *nvme_ctrlr = arg;
1865 : : nvme_ctrlr_disconnected_cb disconnected_cb;
1866 : :
1867 [ + + # # ]: 383772 : assert(nvme_ctrlr != NULL);
1868 : :
1869 [ + - + - ]: 383772 : rc = spdk_nvme_ctrlr_process_admin_completions(nvme_ctrlr->ctrlr);
1870 [ + + ]: 383772 : if (rc < 0) {
1871 [ # # # # ]: 625 : disconnected_cb = nvme_ctrlr->disconnected_cb;
1872 [ # # # # ]: 625 : nvme_ctrlr->disconnected_cb = NULL;
1873 : :
1874 [ + + ]: 625 : if (disconnected_cb != NULL) {
1875 : 430 : bdev_nvme_change_adminq_poll_period(nvme_ctrlr,
1876 [ # # ]: 73 : g_opts.nvme_adminq_poll_period_us);
1877 [ # # # # ]: 357 : disconnected_cb(nvme_ctrlr);
1878 : 73 : } else {
1879 : 268 : bdev_nvme_failover_ctrlr(nvme_ctrlr);
1880 : : }
1881 [ + + + - : 383235 : } else if (spdk_nvme_ctrlr_get_admin_qp_failure_reason(nvme_ctrlr->ctrlr) !=
+ - ]
1882 : : SPDK_NVME_QPAIR_FAILURE_NONE) {
1883 : 259 : bdev_nvme_clear_io_path_caches(nvme_ctrlr);
1884 : 12 : }
1885 : :
1886 : 383772 : return rc == 0 ? SPDK_POLLER_IDLE : SPDK_POLLER_BUSY;
1887 : : }
1888 : :
1889 : : static void
1890 : 950 : nvme_bdev_free(void *io_device)
1891 : : {
1892 : 950 : struct nvme_bdev *nvme_disk = io_device;
1893 : :
1894 [ + + + - ]: 950 : pthread_mutex_destroy(&nvme_disk->mutex);
1895 [ + - + - : 950 : free(nvme_disk->disk.name);
+ - ]
1896 [ + - + - ]: 950 : free(nvme_disk->err_stat);
1897 : 950 : free(nvme_disk);
1898 : 950 : }
1899 : :
1900 : : static int
1901 : 946 : bdev_nvme_destruct(void *ctx)
1902 : : {
1903 : 946 : struct nvme_bdev *nvme_disk = ctx;
1904 : : struct nvme_ns *nvme_ns, *tmp_nvme_ns;
1905 : :
1906 : 208 : SPDK_DTRACE_PROBE2(bdev_nvme_destruct, nvme_disk->nbdev_ctrlr->name, nvme_disk->nsid);
1907 : :
1908 [ + + + + : 1898 : TAILQ_FOREACH_SAFE(nvme_ns, &nvme_disk->nvme_ns_list, tailq, tmp_nvme_ns) {
+ - + + +
- + - + -
+ + ]
1909 [ + + + - : 952 : pthread_mutex_lock(&nvme_ns->ctrlr->mutex);
+ - + - ]
1910 : :
1911 [ + - + - ]: 952 : nvme_ns->bdev = NULL;
1912 : :
1913 [ + + + - : 952 : assert(nvme_ns->id > 0);
+ - # # ]
1914 : :
1915 [ + + + - : 952 : if (nvme_ctrlr_get_ns(nvme_ns->ctrlr, nvme_ns->id) == NULL) {
+ - + - +
- ]
1916 [ - + # # : 214 : pthread_mutex_unlock(&nvme_ns->ctrlr->mutex);
# # # # ]
1917 : :
1918 [ # # # # ]: 214 : nvme_ctrlr_put_ref(nvme_ns->ctrlr);
1919 : 214 : nvme_ns_free(nvme_ns);
1920 : 3 : } else {
1921 [ + + + - : 738 : pthread_mutex_unlock(&nvme_ns->ctrlr->mutex);
+ - + - ]
1922 : : }
1923 : 50 : }
1924 : :
1925 [ + + ]: 946 : pthread_mutex_lock(&g_bdev_nvme_mutex);
1926 [ + + + - : 946 : TAILQ_REMOVE(&nvme_disk->nbdev_ctrlr->bdevs, nvme_disk, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
1927 [ + + ]: 946 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
1928 : :
1929 : 946 : spdk_io_device_unregister(nvme_disk, nvme_bdev_free);
1930 : :
1931 : 946 : return 0;
1932 : : }
1933 : :
1934 : : static int
1935 : 1869 : bdev_nvme_create_qpair(struct nvme_qpair *nvme_qpair)
1936 : : {
1937 : : struct nvme_ctrlr *nvme_ctrlr;
1938 : 1020 : struct spdk_nvme_io_qpair_opts opts;
1939 : : struct spdk_nvme_qpair *qpair;
1940 : : int rc;
1941 : :
1942 [ + - + - ]: 1869 : nvme_ctrlr = nvme_qpair->ctrlr;
1943 : :
1944 [ + - + - ]: 1869 : spdk_nvme_ctrlr_get_default_io_qpair_opts(nvme_ctrlr->ctrlr, &opts, sizeof(opts));
1945 [ + - ]: 1869 : 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 [ + + ]: 1869 : if (!spdk_interrupt_mode_is_enabled()) {
1951 : 1869 : opts.async_mode = true;
1952 [ + + + - : 1869 : opts.delay_cmd_submit = g_opts.delay_cmd_submit;
+ - + - ]
1953 : 144 : }
1954 [ + + + - : 1869 : opts.io_queue_requests = spdk_max(g_opts.io_queue_requests, opts.io_queue_requests);
- + # # +
- + - ]
1955 [ + - + - ]: 1869 : g_opts.io_queue_requests = opts.io_queue_requests;
1956 : :
1957 [ + - + - ]: 1869 : qpair = spdk_nvme_ctrlr_alloc_io_qpair(nvme_ctrlr->ctrlr, &opts, sizeof(opts));
1958 [ + + ]: 1869 : if (qpair == NULL) {
1959 : 0 : return -1;
1960 : : }
1961 : :
1962 : 312 : 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 [ + + + - : 1869 : assert(nvme_qpair->group != NULL);
+ - # # ]
1966 : :
1967 [ + - + - : 1869 : rc = spdk_nvme_poll_group_add(nvme_qpair->group->group, qpair);
+ - + - ]
1968 [ - + ]: 1869 : 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 [ + - + - ]: 1869 : rc = spdk_nvme_ctrlr_connect_io_qpair(nvme_ctrlr->ctrlr, qpair);
1974 [ - + ]: 1869 : if (rc != 0) {
1975 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Unable to connect I/O qpair.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
1976 : 0 : goto err;
1977 : : }
1978 : :
1979 [ + - + - ]: 1869 : nvme_qpair->qpair = qpair;
1980 : :
1981 [ + + + + : 1869 : if (!g_opts.disable_auto_failback) {
- + ]
1982 : 1721 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
1983 : 107 : }
1984 : :
1985 [ + + + + : 1869 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Connecting qpair %p:%u started.\n",
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
1986 : : qpair, spdk_nvme_qpair_get_id(qpair));
1987 : :
1988 : 1869 : return 0;
1989 : :
1990 : 0 : err:
1991 : 0 : spdk_nvme_ctrlr_free_io_qpair(qpair);
1992 : :
1993 : 0 : return rc;
1994 : 144 : }
1995 : :
1996 : : static void bdev_nvme_reset_io_continue(void *cb_arg, int rc);
1997 : :
1998 : : static void
1999 : 357 : bdev_nvme_complete_pending_resets(struct nvme_ctrlr *nvme_ctrlr, bool success)
2000 : : {
2001 : 357 : int rc = 0;
2002 : : struct nvme_bdev_io *bio;
2003 : :
2004 [ + + # # ]: 357 : if (!success) {
2005 : 157 : rc = -1;
2006 : 33 : }
2007 : :
2008 [ + + # # : 405 : while (!TAILQ_EMPTY(&nvme_ctrlr->pending_resets)) {
# # # # ]
2009 [ # # # # : 48 : bio = TAILQ_FIRST(&nvme_ctrlr->pending_resets);
# # ]
2010 [ - + # # : 48 : TAILQ_REMOVE(&nvme_ctrlr->pending_resets, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2011 : :
2012 : 48 : bdev_nvme_reset_io_continue(bio, rc);
2013 : : }
2014 : 357 : }
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 : 288 : 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 [ # # # # : 288 : path_id = TAILQ_FIRST(&nvme_ctrlr->trids);
# # ]
2029 [ + + # # ]: 288 : assert(path_id);
2030 [ + + # # : 288 : assert(path_id == nvme_ctrlr->active_path_id);
# # # # ]
2031 [ # # # # : 288 : 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 [ # # # # ]: 288 : path_id->last_failed_tsc = spdk_get_ticks();
2037 : :
2038 [ + + ]: 288 : if (next_path == NULL) {
2039 : : /* There is no alternate trid within a controller. */
2040 : 240 : return false;
2041 : : }
2042 : :
2043 [ + + + + : 48 : 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 : 12 : return false;
2048 : : }
2049 : :
2050 [ + + # # : 36 : assert(path_id->trid.trtype != SPDK_NVME_TRANSPORT_PCIE);
# # # # #
# ]
2051 : :
2052 [ + - # # : 36 : 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 [ # # # # ]: 36 : spdk_nvme_ctrlr_fail(nvme_ctrlr->ctrlr);
2057 [ # # # # ]: 36 : nvme_ctrlr->active_path_id = next_path;
2058 [ # # # # : 36 : rc = spdk_nvme_ctrlr_set_trid(nvme_ctrlr->ctrlr, &next_path->trid);
# # ]
2059 [ - + # # ]: 36 : assert(rc == 0);
2060 [ + - # # : 36 : TAILQ_REMOVE(&nvme_ctrlr->trids, path_id, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2061 [ + + # # ]: 36 : 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 [ # # # # : 27 : TAILQ_INSERT_TAIL(&nvme_ctrlr->trids, path_id, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
2066 : 6 : } else {
2067 : 9 : free(path_id);
2068 : : }
2069 : :
2070 [ + + + + : 36 : 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 : 32 : return true;
2075 : : }
2076 : :
2077 [ - + - + : 5 : if (spdk_get_ticks() > next_path->last_failed_tsc + spdk_get_ticks_hz() *
# # ]
2078 [ - + # # : 4 : 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 : 4 : return false;
2085 : 62 : }
2086 : :
2087 : : static bool
2088 : 50505 : bdev_nvme_check_ctrlr_loss_timeout(struct nvme_ctrlr *nvme_ctrlr)
2089 : : {
2090 : : int32_t elapsed;
2091 : :
2092 [ + + + + : 50505 : if (nvme_ctrlr->opts.ctrlr_loss_timeout_sec == 0 ||
# # # # #
# ]
2093 [ + + # # : 39989 : nvme_ctrlr->opts.ctrlr_loss_timeout_sec == -1) {
# # ]
2094 : 11951 : return false;
2095 : : }
2096 : :
2097 [ - + # # : 38554 : elapsed = (spdk_get_ticks() - nvme_ctrlr->reset_start_tsc) / spdk_get_ticks_hz();
# # ]
2098 [ + + # # : 38554 : if (elapsed >= nvme_ctrlr->opts.ctrlr_loss_timeout_sec) {
# # # # ]
2099 : 38 : return true;
2100 : : } else {
2101 : 38516 : return false;
2102 : : }
2103 : 292 : }
2104 : :
2105 : : static bool
2106 : 66 : bdev_nvme_check_fast_io_fail_timeout(struct nvme_ctrlr *nvme_ctrlr)
2107 : : {
2108 : : uint32_t elapsed;
2109 : :
2110 [ + + # # : 66 : if (nvme_ctrlr->opts.fast_io_fail_timeout_sec == 0) {
# # # # ]
2111 : 43 : return false;
2112 : : }
2113 : :
2114 [ - + # # : 23 : elapsed = (spdk_get_ticks() - nvme_ctrlr->reset_start_tsc) / spdk_get_ticks_hz();
# # ]
2115 [ + + # # : 23 : if (elapsed >= nvme_ctrlr->opts.fast_io_fail_timeout_sec) {
# # # # ]
2116 : 11 : return true;
2117 : : } else {
2118 : 12 : return false;
2119 : : }
2120 : 12 : }
2121 : :
2122 : : static void bdev_nvme_reset_ctrlr_complete(struct nvme_ctrlr *nvme_ctrlr, bool success);
2123 : :
2124 : : static void
2125 : 361 : nvme_ctrlr_disconnect(struct nvme_ctrlr *nvme_ctrlr, nvme_ctrlr_disconnected_cb cb_fn)
2126 : : {
2127 : : int rc;
2128 : :
2129 [ + + + + : 361 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start disconnecting ctrlr.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2130 : :
2131 [ # # # # ]: 361 : rc = spdk_nvme_ctrlr_disconnect(nvme_ctrlr->ctrlr);
2132 [ + + ]: 361 : if (rc != 0) {
2133 [ + - # # : 4 : 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 : 4 : bdev_nvme_reset_ctrlr_complete(nvme_ctrlr, false);
2139 : 4 : 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 [ + + # # : 357 : assert(nvme_ctrlr->disconnected_cb == NULL);
# # # # ]
2146 [ # # # # ]: 357 : nvme_ctrlr->disconnected_cb = cb_fn;
2147 : :
2148 : : /* During disconnection, reduce the period to poll adminq more often. */
2149 : 357 : bdev_nvme_change_adminq_poll_period(nvme_ctrlr, 0);
2150 : 74 : }
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 : 357 : bdev_nvme_check_op_after_reset(struct nvme_ctrlr *nvme_ctrlr, bool success)
2164 : : {
2165 [ + + ]: 357 : if (nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
2166 : : /* Complete pending destruct after reset completes. */
2167 : 1 : return OP_COMPLETE_PENDING_DESTRUCT;
2168 [ + + # # ]: 356 : } else if (nvme_ctrlr->pending_failover) {
2169 [ # # ]: 12 : nvme_ctrlr->pending_failover = false;
2170 [ # # # # ]: 12 : nvme_ctrlr->reset_start_tsc = 0;
2171 : 12 : return OP_FAILOVER;
2172 [ + + + + : 344 : } else if (success || nvme_ctrlr->opts.reconnect_delay_sec == 0) {
# # # # #
# # # ]
2173 [ # # # # ]: 263 : nvme_ctrlr->reset_start_tsc = 0;
2174 : 263 : return OP_NONE;
2175 [ + + ]: 81 : } else if (bdev_nvme_check_ctrlr_loss_timeout(nvme_ctrlr)) {
2176 : 15 : return OP_DESTRUCT;
2177 : : } else {
2178 [ + + ]: 66 : if (bdev_nvme_check_fast_io_fail_timeout(nvme_ctrlr)) {
2179 [ # # ]: 11 : nvme_ctrlr->fast_io_fail_timedout = true;
2180 : 2 : }
2181 : 66 : return OP_DELAYED_RECONNECT;
2182 : : }
2183 : 73 : }
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 : 54 : bdev_nvme_reconnect_delay_timer_expired(void *ctx)
2190 : : {
2191 : 54 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2192 : :
2193 : 18 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_reconnect_delay, nvme_ctrlr->nbdev_ctrlr->name);
2194 [ - + # # ]: 54 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2195 : :
2196 [ # # ]: 54 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
2197 : :
2198 [ + + # # ]: 54 : if (!nvme_ctrlr->reconnect_is_delayed) {
2199 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2200 : 0 : return SPDK_POLLER_BUSY;
2201 : : }
2202 : :
2203 [ # # ]: 54 : nvme_ctrlr->reconnect_is_delayed = false;
2204 : :
2205 [ - + # # ]: 54 : if (nvme_ctrlr->destruct) {
2206 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2207 : 0 : return SPDK_POLLER_BUSY;
2208 : : }
2209 : :
2210 [ - + # # : 54 : assert(nvme_ctrlr->resetting == false);
# # ]
2211 [ # # ]: 54 : nvme_ctrlr->resetting = true;
2212 : :
2213 [ - + # # ]: 54 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2214 : :
2215 [ # # # # ]: 54 : spdk_poller_resume(nvme_ctrlr->adminq_timer_poller);
2216 : :
2217 : 54 : bdev_nvme_reconnect_ctrlr(nvme_ctrlr);
2218 : 54 : return SPDK_POLLER_BUSY;
2219 : 9 : }
2220 : :
2221 : : static void
2222 : 66 : bdev_nvme_start_reconnect_delay_timer(struct nvme_ctrlr *nvme_ctrlr)
2223 : : {
2224 [ # # # # ]: 66 : spdk_poller_pause(nvme_ctrlr->adminq_timer_poller);
2225 : :
2226 [ + + # # : 66 : assert(nvme_ctrlr->reconnect_is_delayed == false);
# # ]
2227 [ # # ]: 66 : nvme_ctrlr->reconnect_is_delayed = true;
2228 : :
2229 [ + + # # : 66 : assert(nvme_ctrlr->reconnect_delay_timer == NULL);
# # # # ]
2230 [ # # # # : 66 : 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 : 66 : }
2234 : :
2235 : : static void remove_discovery_entry(struct nvme_ctrlr *nvme_ctrlr);
2236 : :
2237 : : static void
2238 : 357 : bdev_nvme_reset_ctrlr_complete(struct nvme_ctrlr *nvme_ctrlr, bool success)
2239 : : {
2240 [ # # # # ]: 357 : bdev_nvme_ctrlr_op_cb ctrlr_op_cb_fn = nvme_ctrlr->ctrlr_op_cb_fn;
2241 [ # # # # ]: 357 : void *ctrlr_op_cb_arg = nvme_ctrlr->ctrlr_op_cb_arg;
2242 : : enum bdev_nvme_op_after_reset op_after_reset;
2243 : :
2244 [ + + # # : 357 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2245 : :
2246 [ - + # # ]: 357 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2247 [ + + # # ]: 357 : if (!success) {
2248 : : /* Connecting the active trid failed. Set the next alternate trid to the
2249 : : * active trid if it exists.
2250 : : */
2251 [ + + ]: 165 : if (bdev_nvme_failover_trid(nvme_ctrlr, false, false)) {
2252 : : /* The next alternate trid exists and is ready to try. Try it now. */
2253 [ - + # # ]: 8 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2254 : :
2255 [ + + - + : 8 : 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 : 8 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_reconnect_ctrlr);
2260 : 8 : 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 : 33 : } 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 [ # # # # : 192 : nvme_ctrlr->active_path_id->last_failed_tsc = 0;
# # # # ]
2272 : : }
2273 : :
2274 [ + + + + : 349 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Clear pending resets.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2275 : :
2276 : : /* Make sure we clear any pending resets before returning. */
2277 [ # # ]: 349 : bdev_nvme_complete_pending_resets(nvme_ctrlr, success);
2278 : :
2279 [ + + # # ]: 349 : if (!success) {
2280 [ + - # # : 157 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Resetting controller failed.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2281 : 33 : } else {
2282 [ + + # # : 192 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Resetting controller successful.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2283 : : }
2284 : :
2285 [ # # ]: 349 : nvme_ctrlr->resetting = false;
2286 [ # # ]: 349 : nvme_ctrlr->dont_retry = false;
2287 [ # # ]: 349 : nvme_ctrlr->in_failover = false;
2288 : :
2289 [ # # # # ]: 349 : nvme_ctrlr->ctrlr_op_cb_fn = NULL;
2290 [ # # # # ]: 349 : nvme_ctrlr->ctrlr_op_cb_arg = NULL;
2291 : :
2292 [ # # ]: 349 : op_after_reset = bdev_nvme_check_op_after_reset(nvme_ctrlr, success);
2293 [ - + # # ]: 349 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2294 : :
2295 : : /* Delay callbacks when the next operation is a failover. */
2296 [ + + + + ]: 349 : if (ctrlr_op_cb_fn && op_after_reset != OP_FAILOVER) {
2297 [ + + # # : 108 : ctrlr_op_cb_fn(ctrlr_op_cb_arg, success ? 0 : -1);
# # ]
2298 : 19 : }
2299 : :
2300 [ + + + + : 349 : switch (op_after_reset) {
+ ]
2301 : 1 : case OP_COMPLETE_PENDING_DESTRUCT:
2302 : 1 : nvme_ctrlr_unregister(nvme_ctrlr);
2303 : 1 : break;
2304 : 13 : case OP_DESTRUCT:
2305 : 15 : bdev_nvme_delete_ctrlr(nvme_ctrlr, false);
2306 : 15 : remove_discovery_entry(nvme_ctrlr);
2307 : 15 : break;
2308 : 54 : case OP_DELAYED_RECONNECT:
2309 : 66 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_start_reconnect_delay_timer);
2310 : 66 : break;
2311 : 9 : case OP_FAILOVER:
2312 [ # # # # ]: 12 : nvme_ctrlr->ctrlr_op_cb_fn = ctrlr_op_cb_fn;
2313 [ # # # # ]: 12 : nvme_ctrlr->ctrlr_op_cb_arg = ctrlr_op_cb_arg;
2314 : 12 : bdev_nvme_failover_ctrlr(nvme_ctrlr);
2315 : 12 : break;
2316 : 201 : default:
2317 : 255 : break;
2318 : : }
2319 : 73 : }
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 : 458 : 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 [ # # # # ]: 458 : nvme_qpair = ctrlr_ch->qpair;
2336 [ + + # # ]: 458 : assert(nvme_qpair != NULL);
2337 : :
2338 : 458 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
2339 : :
2340 [ # # # # ]: 458 : qpair = nvme_qpair->qpair;
2341 [ + + ]: 458 : if (qpair != NULL) {
2342 [ + + - + : 309 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start disconnecting qpair %p:%u.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2343 : : qpair, spdk_nvme_qpair_get_id(qpair));
2344 : :
2345 [ + + # # : 309 : if (nvme_qpair->ctrlr->dont_retry) {
# # # # ]
2346 : 245 : spdk_nvme_qpair_set_abort_dnr(qpair, true);
2347 : 54 : }
2348 : 309 : 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 [ - + # # : 309 : assert(ctrlr_ch->reset_iter == NULL);
# # # # ]
2354 [ # # # # ]: 309 : ctrlr_ch->reset_iter = i;
2355 : 70 : } else {
2356 : 149 : nvme_ctrlr_for_each_channel_continue(i, 0);
2357 : : }
2358 : 458 : }
2359 : :
2360 : : static void
2361 : 192 : bdev_nvme_reset_create_qpairs_done(struct nvme_ctrlr *nvme_ctrlr, void *ctx, int status)
2362 : : {
2363 [ + + ]: 192 : if (status == 0) {
2364 [ + + - + : 192 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpairs were created after ctrlr reset.\n");
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2365 : :
2366 : 192 : bdev_nvme_reset_ctrlr_complete(nvme_ctrlr, true);
2367 : 38 : } 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 : 192 : }
2377 : :
2378 : : static int
2379 : 3154 : bdev_nvme_reset_check_qpair_connected(void *ctx)
2380 : : {
2381 : 3154 : struct nvme_ctrlr_channel *ctrlr_ch = ctx;
2382 [ # # # # ]: 3154 : struct nvme_qpair *nvme_qpair = ctrlr_ch->qpair;
2383 : : struct spdk_nvme_qpair *qpair;
2384 : :
2385 [ + + # # : 3154 : 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 [ # # # # ]: 3154 : qpair = nvme_qpair->qpair;
2396 [ + + # # ]: 3154 : assert(qpair != NULL);
2397 : :
2398 [ + + ]: 3154 : if (!spdk_nvme_qpair_is_connected(qpair)) {
2399 : 2871 : return SPDK_POLLER_BUSY;
2400 : : }
2401 : :
2402 [ + + - + : 283 : NVME_CTRLR_INFOLOG(nvme_qpair->ctrlr, "qpair %p:%u was connected.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
2403 : : qpair, spdk_nvme_qpair_get_id(qpair));
2404 : :
2405 [ # # ]: 283 : spdk_poller_unregister(&ctrlr_ch->connect_poller);
2406 : :
2407 : : /* qpair was completed to connect. Move to the next ctrlr_channel */
2408 [ # # # # ]: 283 : nvme_ctrlr_for_each_channel_continue(ctrlr_ch->reset_iter, 0);
2409 [ # # # # ]: 283 : ctrlr_ch->reset_iter = NULL;
2410 : :
2411 [ + + + + : 283 : if (!g_opts.disable_auto_failback) {
# # ]
2412 : 215 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
2413 : 45 : }
2414 : :
2415 : 283 : return SPDK_POLLER_BUSY;
2416 : 92 : }
2417 : :
2418 : : static void
2419 : 283 : 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 [ # # # # ]: 283 : struct nvme_qpair *nvme_qpair = ctrlr_ch->qpair;
2425 : : struct spdk_nvme_qpair *qpair;
2426 : : int rc;
2427 : :
2428 : 283 : rc = bdev_nvme_create_qpair(nvme_qpair);
2429 [ + + ]: 283 : if (rc == 0) {
2430 [ # # # # ]: 283 : ctrlr_ch->connect_poller = SPDK_POLLER_REGISTER(bdev_nvme_reset_check_qpair_connected,
2431 : : ctrlr_ch, 0);
2432 : :
2433 [ # # # # ]: 283 : qpair = nvme_qpair->qpair;
2434 : :
2435 [ + + - + : 283 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start checking qpair %p:%u to be connected.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2436 : : qpair, spdk_nvme_qpair_get_id(qpair));
2437 : :
2438 : : /* The current full reset sequence will move to the next
2439 : : * ctrlr_channel after the qpair is actually connected.
2440 : : */
2441 [ - + # # : 283 : assert(ctrlr_ch->reset_iter == NULL);
# # # # ]
2442 [ # # # # ]: 283 : ctrlr_ch->reset_iter = i;
2443 : 62 : } else {
2444 : 0 : nvme_ctrlr_for_each_channel_continue(i, rc);
2445 : : }
2446 : 283 : }
2447 : :
2448 : : static void
2449 : 192 : nvme_ctrlr_check_namespaces(struct nvme_ctrlr *nvme_ctrlr)
2450 : : {
2451 [ # # # # ]: 192 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
2452 : : struct nvme_ns *nvme_ns;
2453 : :
2454 [ + + ]: 215 : for (nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
2455 [ + + ]: 335 : nvme_ns != NULL;
2456 : 143 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns)) {
2457 [ + + # # : 143 : if (!spdk_nvme_ctrlr_is_active_ns(ctrlr, nvme_ns->id)) {
# # ]
2458 [ + + - + : 4 : SPDK_DEBUGLOG(bdev_nvme, "NSID %u was removed during reset.\n", nvme_ns->id);
# # # # #
# ]
2459 : : /* NS can be added again. Just nullify nvme_ns->ns. */
2460 [ # # # # ]: 4 : nvme_ns->ns = NULL;
2461 : 1 : }
2462 : 23 : }
2463 : 192 : }
2464 : :
2465 : :
2466 : : static int
2467 : 50404 : bdev_nvme_reconnect_ctrlr_poll(void *arg)
2468 : : {
2469 : 50404 : struct nvme_ctrlr *nvme_ctrlr = arg;
2470 : : struct spdk_nvme_transport_id *trid;
2471 : 50404 : int rc = -ETIMEDOUT;
2472 : :
2473 [ + + ]: 50404 : if (bdev_nvme_check_ctrlr_loss_timeout(nvme_ctrlr)) {
2474 : : /* Mark the ctrlr as failed. The next call to
2475 : : * spdk_nvme_ctrlr_reconnect_poll_async() will then
2476 : : * do the necessary cleanup and return failure.
2477 : : */
2478 [ # # # # ]: 15 : spdk_nvme_ctrlr_fail(nvme_ctrlr->ctrlr);
2479 : 2 : }
2480 : :
2481 [ # # # # ]: 50404 : rc = spdk_nvme_ctrlr_reconnect_poll_async(nvme_ctrlr->ctrlr);
2482 [ + + ]: 50404 : if (rc == -EAGAIN) {
2483 : 50051 : return SPDK_POLLER_BUSY;
2484 : : }
2485 : :
2486 [ # # ]: 353 : spdk_poller_unregister(&nvme_ctrlr->reset_detach_poller);
2487 [ + + ]: 353 : if (rc == 0) {
2488 [ # # # # : 192 : trid = &nvme_ctrlr->active_path_id->trid;
# # ]
2489 : :
2490 [ + + # # : 192 : if (spdk_nvme_trtype_is_fabrics(trid->trtype)) {
# # ]
2491 [ + + - + : 154 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was connected to %s:%s. Create qpairs.\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2492 : : trid->traddr, trid->trsvcid);
2493 : 36 : } else {
2494 [ + + - + : 38 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was connected. Create qpairs.\n");
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2495 : : }
2496 : :
2497 : 192 : nvme_ctrlr_check_namespaces(nvme_ctrlr);
2498 : :
2499 : : /* Recreate all of the I/O queue pairs */
2500 : 192 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
2501 : : bdev_nvme_reset_create_qpair,
2502 : : NULL,
2503 : : bdev_nvme_reset_create_qpairs_done);
2504 : 38 : } else {
2505 [ + + + + : 161 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr could not be connected.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2506 : :
2507 : 161 : bdev_nvme_reset_ctrlr_complete(nvme_ctrlr, false);
2508 : : }
2509 : 353 : return SPDK_POLLER_BUSY;
2510 : 273 : }
2511 : :
2512 : : static void
2513 : 353 : bdev_nvme_reconnect_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2514 : : {
2515 [ + + + + : 353 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Start reconnecting ctrlr.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2516 : :
2517 [ # # # # ]: 353 : spdk_nvme_ctrlr_reconnect_async(nvme_ctrlr->ctrlr);
2518 : :
2519 : 35 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_reconnect, nvme_ctrlr->nbdev_ctrlr->name);
2520 [ + + # # : 353 : assert(nvme_ctrlr->reset_detach_poller == NULL);
# # # # ]
2521 [ # # # # ]: 353 : nvme_ctrlr->reset_detach_poller = SPDK_POLLER_REGISTER(bdev_nvme_reconnect_ctrlr_poll,
2522 : : nvme_ctrlr, 0);
2523 : 353 : }
2524 : :
2525 : : static void
2526 : 283 : bdev_nvme_reset_destroy_qpair_done(struct nvme_ctrlr *nvme_ctrlr, void *ctx, int status)
2527 : : {
2528 : 17 : SPDK_DTRACE_PROBE1(bdev_nvme_ctrlr_reset, nvme_ctrlr->nbdev_ctrlr->name);
2529 [ + + # # ]: 283 : assert(status == 0);
2530 : :
2531 [ + + + + : 283 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "qpairs were deleted.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2532 : :
2533 [ + + # # : 283 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2534 : 38 : bdev_nvme_reconnect_ctrlr(nvme_ctrlr);
2535 : 2 : } else {
2536 : 245 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_reconnect_ctrlr);
2537 : : }
2538 : 283 : }
2539 : :
2540 : : static void
2541 : 283 : bdev_nvme_reset_destroy_qpairs(struct nvme_ctrlr *nvme_ctrlr)
2542 : : {
2543 [ + + + + : 283 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Delete qpairs for reset.\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2544 : :
2545 : 283 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
2546 : : bdev_nvme_reset_destroy_qpair,
2547 : : NULL,
2548 : : bdev_nvme_reset_destroy_qpair_done);
2549 : 283 : }
2550 : :
2551 : : static void
2552 : 12 : bdev_nvme_reconnect_ctrlr_now(void *ctx)
2553 : : {
2554 : 12 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2555 : :
2556 [ + + # # : 12 : assert(nvme_ctrlr->resetting == true);
# # ]
2557 [ + + # # : 12 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2558 : :
2559 [ # # ]: 12 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
2560 : :
2561 [ # # # # ]: 12 : spdk_poller_resume(nvme_ctrlr->adminq_timer_poller);
2562 : :
2563 : 12 : bdev_nvme_reconnect_ctrlr(nvme_ctrlr);
2564 : 12 : }
2565 : :
2566 : : static void
2567 : 283 : _bdev_nvme_reset_ctrlr(void *ctx)
2568 : : {
2569 : 283 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2570 : :
2571 [ + + # # : 283 : assert(nvme_ctrlr->resetting == true);
# # ]
2572 [ - + # # : 283 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2573 : :
2574 [ + + # # : 283 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2575 : 38 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_reset_destroy_qpairs);
2576 : 2 : } else {
2577 : 245 : bdev_nvme_reset_destroy_qpairs(nvme_ctrlr);
2578 : : }
2579 : 283 : }
2580 : :
2581 : : static int
2582 : 240 : bdev_nvme_reset_ctrlr_unsafe(struct nvme_ctrlr *nvme_ctrlr, spdk_msg_fn *msg_fn)
2583 : : {
2584 [ + + # # ]: 240 : if (nvme_ctrlr->destruct) {
2585 : 12 : return -ENXIO;
2586 : : }
2587 : :
2588 [ + + # # ]: 228 : if (nvme_ctrlr->resetting) {
2589 [ + - # # : 56 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Unable to perform reset, already in progress.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2590 : 56 : return -EBUSY;
2591 : : }
2592 : :
2593 [ + + # # ]: 172 : if (nvme_ctrlr->disabled) {
2594 [ + - # # : 4 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Unable to perform reset. Controller is disabled.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2595 : 4 : return -EALREADY;
2596 : : }
2597 : :
2598 [ # # ]: 168 : nvme_ctrlr->resetting = true;
2599 [ # # ]: 168 : nvme_ctrlr->dont_retry = true;
2600 : :
2601 [ + + # # ]: 168 : if (nvme_ctrlr->reconnect_is_delayed) {
2602 [ + + - + : 4 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "Reconnect is already scheduled.\n");
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
2603 [ # # ]: 4 : *msg_fn = bdev_nvme_reconnect_ctrlr_now;
2604 [ # # ]: 4 : nvme_ctrlr->reconnect_is_delayed = false;
2605 : 1 : } else {
2606 [ # # ]: 164 : *msg_fn = _bdev_nvme_reset_ctrlr;
2607 [ + + # # : 164 : assert(nvme_ctrlr->reset_start_tsc == 0);
# # # # ]
2608 : : }
2609 : :
2610 [ # # # # ]: 168 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
2611 : :
2612 : 168 : return 0;
2613 : 52 : }
2614 : :
2615 : : static int
2616 : 103 : bdev_nvme_reset_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2617 : : {
2618 : 75 : spdk_msg_fn msg_fn;
2619 : : int rc;
2620 : :
2621 [ - + # # ]: 103 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2622 : 103 : rc = bdev_nvme_reset_ctrlr_unsafe(nvme_ctrlr, &msg_fn);
2623 [ - + # # ]: 103 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2624 : :
2625 [ + + ]: 103 : if (rc == 0) {
2626 [ # # # # ]: 83 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
2627 : 20 : }
2628 : :
2629 : 103 : return rc;
2630 : : }
2631 : :
2632 : : static int
2633 : 12 : bdev_nvme_enable_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2634 : : {
2635 [ - + # # ]: 12 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2636 [ - + # # ]: 12 : if (nvme_ctrlr->destruct) {
2637 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2638 : 0 : return -ENXIO;
2639 : : }
2640 : :
2641 [ - + # # ]: 12 : if (nvme_ctrlr->resetting) {
2642 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2643 : 0 : return -EBUSY;
2644 : : }
2645 : :
2646 [ + + # # ]: 12 : if (!nvme_ctrlr->disabled) {
2647 [ - + # # ]: 4 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2648 : 4 : return -EALREADY;
2649 : : }
2650 : :
2651 [ # # ]: 8 : nvme_ctrlr->disabled = false;
2652 [ # # ]: 8 : nvme_ctrlr->resetting = true;
2653 : :
2654 [ # # # # ]: 8 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
2655 : :
2656 [ - + # # ]: 8 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2657 : :
2658 [ # # # # ]: 8 : spdk_thread_send_msg(nvme_ctrlr->thread, bdev_nvme_reconnect_ctrlr_now, nvme_ctrlr);
2659 : 8 : return 0;
2660 : 3 : }
2661 : :
2662 : : static void
2663 : 8 : bdev_nvme_disable_ctrlr_complete(struct nvme_ctrlr *nvme_ctrlr)
2664 : : {
2665 [ # # # # ]: 8 : bdev_nvme_ctrlr_op_cb ctrlr_op_cb_fn = nvme_ctrlr->ctrlr_op_cb_fn;
2666 [ # # # # ]: 8 : void *ctrlr_op_cb_arg = nvme_ctrlr->ctrlr_op_cb_arg;
2667 : : enum bdev_nvme_op_after_reset op_after_disable;
2668 : :
2669 [ + + # # : 8 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2670 : :
2671 [ # # # # ]: 8 : nvme_ctrlr->ctrlr_op_cb_fn = NULL;
2672 [ # # # # ]: 8 : nvme_ctrlr->ctrlr_op_cb_arg = NULL;
2673 : :
2674 [ - + # # ]: 8 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2675 : :
2676 [ # # ]: 8 : nvme_ctrlr->resetting = false;
2677 [ # # ]: 8 : nvme_ctrlr->dont_retry = false;
2678 : :
2679 : 8 : op_after_disable = bdev_nvme_check_op_after_reset(nvme_ctrlr, true);
2680 : :
2681 [ # # ]: 8 : nvme_ctrlr->disabled = true;
2682 [ # # # # ]: 8 : spdk_poller_pause(nvme_ctrlr->adminq_timer_poller);
2683 : :
2684 : : /* Make sure we clear any pending resets before returning. */
2685 : 8 : bdev_nvme_complete_pending_resets(nvme_ctrlr, true);
2686 : :
2687 [ - + # # ]: 8 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2688 : :
2689 [ + + ]: 8 : if (ctrlr_op_cb_fn) {
2690 [ # # # # ]: 0 : ctrlr_op_cb_fn(ctrlr_op_cb_arg, 0);
2691 : 0 : }
2692 : :
2693 [ + + ]: 8 : switch (op_after_disable) {
2694 : 0 : case OP_COMPLETE_PENDING_DESTRUCT:
2695 : 0 : nvme_ctrlr_unregister(nvme_ctrlr);
2696 : 0 : break;
2697 : 6 : default:
2698 : 8 : break;
2699 : : }
2700 : 8 : }
2701 : :
2702 : : static void
2703 : 4 : bdev_nvme_disable_destroy_qpairs_done(struct nvme_ctrlr *nvme_ctrlr, void *ctx, int status)
2704 : : {
2705 [ + + # # ]: 4 : assert(status == 0);
2706 : :
2707 [ + + # # : 4 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2708 : 0 : bdev_nvme_disable_ctrlr_complete(nvme_ctrlr);
2709 : 0 : } else {
2710 : 4 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_disable_ctrlr_complete);
2711 : : }
2712 : 4 : }
2713 : :
2714 : : static void
2715 : 4 : bdev_nvme_disable_destroy_qpairs(struct nvme_ctrlr *nvme_ctrlr)
2716 : : {
2717 : 4 : nvme_ctrlr_for_each_channel(nvme_ctrlr,
2718 : : bdev_nvme_reset_destroy_qpair,
2719 : : NULL,
2720 : : bdev_nvme_disable_destroy_qpairs_done);
2721 : 4 : }
2722 : :
2723 : : static void
2724 : 4 : _bdev_nvme_cancel_reconnect_and_disable_ctrlr(void *ctx)
2725 : : {
2726 : 4 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2727 : :
2728 [ + + # # : 4 : assert(nvme_ctrlr->resetting == true);
# # ]
2729 [ + + # # : 4 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2730 : :
2731 [ # # ]: 4 : spdk_poller_unregister(&nvme_ctrlr->reconnect_delay_timer);
2732 : :
2733 : 4 : bdev_nvme_disable_ctrlr_complete(nvme_ctrlr);
2734 : 4 : }
2735 : :
2736 : : static void
2737 : 4 : _bdev_nvme_disconnect_and_disable_ctrlr(void *ctx)
2738 : : {
2739 : 4 : struct nvme_ctrlr *nvme_ctrlr = ctx;
2740 : :
2741 [ + + # # : 4 : assert(nvme_ctrlr->resetting == true);
# # ]
2742 [ - + # # : 4 : assert(nvme_ctrlr->thread == spdk_get_thread());
# # # # ]
2743 : :
2744 [ + + # # : 4 : if (!spdk_nvme_ctrlr_is_fabrics(nvme_ctrlr->ctrlr)) {
# # ]
2745 : 0 : nvme_ctrlr_disconnect(nvme_ctrlr, bdev_nvme_disable_destroy_qpairs);
2746 : 0 : } else {
2747 : 4 : bdev_nvme_disable_destroy_qpairs(nvme_ctrlr);
2748 : : }
2749 : 4 : }
2750 : :
2751 : : static int
2752 : 20 : bdev_nvme_disable_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
2753 : : {
2754 : : spdk_msg_fn msg_fn;
2755 : :
2756 [ - + # # ]: 20 : pthread_mutex_lock(&nvme_ctrlr->mutex);
2757 [ + + # # ]: 20 : if (nvme_ctrlr->destruct) {
2758 [ - + # # ]: 4 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2759 : 4 : return -ENXIO;
2760 : : }
2761 : :
2762 [ + + # # ]: 16 : if (nvme_ctrlr->resetting) {
2763 [ - + # # ]: 4 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2764 : 4 : return -EBUSY;
2765 : : }
2766 : :
2767 [ + + # # ]: 12 : if (nvme_ctrlr->disabled) {
2768 [ - + # # ]: 4 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2769 : 4 : return -EALREADY;
2770 : : }
2771 : :
2772 [ # # ]: 8 : nvme_ctrlr->resetting = true;
2773 [ # # ]: 8 : nvme_ctrlr->dont_retry = true;
2774 : :
2775 [ + + # # ]: 8 : if (nvme_ctrlr->reconnect_is_delayed) {
2776 : 4 : msg_fn = _bdev_nvme_cancel_reconnect_and_disable_ctrlr;
2777 [ # # ]: 4 : nvme_ctrlr->reconnect_is_delayed = false;
2778 : 1 : } else {
2779 : 4 : msg_fn = _bdev_nvme_disconnect_and_disable_ctrlr;
2780 : : }
2781 : :
2782 [ # # # # ]: 8 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
2783 : :
2784 [ - + # # ]: 8 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
2785 : :
2786 [ # # # # ]: 8 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
2787 : 8 : return 0;
2788 : 5 : }
2789 : :
2790 : : static int
2791 : 31 : nvme_ctrlr_op(struct nvme_ctrlr *nvme_ctrlr, enum nvme_ctrlr_op op,
2792 : : bdev_nvme_ctrlr_op_cb cb_fn, void *cb_arg)
2793 : : {
2794 : : int rc;
2795 : :
2796 [ + + - + ]: 31 : switch (op) {
2797 : 21 : case NVME_CTRLR_OP_RESET:
2798 : 27 : rc = bdev_nvme_reset_ctrlr(nvme_ctrlr);
2799 : 27 : break;
2800 : 0 : case NVME_CTRLR_OP_ENABLE:
2801 : 0 : rc = bdev_nvme_enable_ctrlr(nvme_ctrlr);
2802 : 0 : break;
2803 : 0 : case NVME_CTRLR_OP_DISABLE:
2804 : 0 : rc = bdev_nvme_disable_ctrlr(nvme_ctrlr);
2805 : 0 : break;
2806 : 3 : default:
2807 : 4 : rc = -EINVAL;
2808 : 4 : break;
2809 : : }
2810 : :
2811 [ + + ]: 31 : if (rc == 0) {
2812 [ + + # # : 19 : assert(nvme_ctrlr->ctrlr_op_cb_fn == NULL);
# # # # ]
2813 [ - + # # : 19 : assert(nvme_ctrlr->ctrlr_op_cb_arg == NULL);
# # # # ]
2814 [ # # # # ]: 19 : nvme_ctrlr->ctrlr_op_cb_fn = cb_fn;
2815 [ # # # # ]: 19 : nvme_ctrlr->ctrlr_op_cb_arg = cb_arg;
2816 : 4 : }
2817 : 31 : return rc;
2818 : : }
2819 : :
2820 : : struct nvme_ctrlr_op_rpc_ctx {
2821 : : struct nvme_ctrlr *nvme_ctrlr;
2822 : : struct spdk_thread *orig_thread;
2823 : : enum nvme_ctrlr_op op;
2824 : : int rc;
2825 : : bdev_nvme_ctrlr_op_cb cb_fn;
2826 : : void *cb_arg;
2827 : : };
2828 : :
2829 : : static void
2830 : 16 : _nvme_ctrlr_op_rpc_complete(void *_ctx)
2831 : : {
2832 : 16 : struct nvme_ctrlr_op_rpc_ctx *ctx = _ctx;
2833 : :
2834 [ + + # # ]: 16 : assert(ctx != NULL);
2835 [ + + # # : 16 : assert(ctx->cb_fn != NULL);
# # # # ]
2836 : :
2837 [ # # # # : 16 : ctx->cb_fn(ctx->cb_arg, ctx->rc);
# # # # #
# # # # #
# # ]
2838 : :
2839 : 16 : free(ctx);
2840 : 16 : }
2841 : :
2842 : : static void
2843 : 16 : nvme_ctrlr_op_rpc_complete(void *cb_arg, int rc)
2844 : : {
2845 : 16 : struct nvme_ctrlr_op_rpc_ctx *ctx = cb_arg;
2846 : :
2847 [ # # # # ]: 16 : ctx->rc = rc;
2848 : :
2849 [ # # # # ]: 16 : spdk_thread_send_msg(ctx->orig_thread, _nvme_ctrlr_op_rpc_complete, ctx);
2850 : 16 : }
2851 : :
2852 : : void
2853 : 16 : nvme_ctrlr_op_rpc(struct nvme_ctrlr *nvme_ctrlr, enum nvme_ctrlr_op op,
2854 : : bdev_nvme_ctrlr_op_cb cb_fn, void *cb_arg)
2855 : : {
2856 : : struct nvme_ctrlr_op_rpc_ctx *ctx;
2857 : : int rc;
2858 : :
2859 [ + + # # ]: 16 : assert(cb_fn != NULL);
2860 : :
2861 : 16 : ctx = calloc(1, sizeof(*ctx));
2862 [ + + ]: 16 : if (ctx == NULL) {
2863 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate nvme_ctrlr_op_rpc_ctx.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
2864 [ # # # # ]: 0 : cb_fn(cb_arg, -ENOMEM);
2865 : 0 : return;
2866 : : }
2867 : :
2868 [ # # # # ]: 16 : ctx->orig_thread = spdk_get_thread();
2869 [ # # # # ]: 16 : ctx->cb_fn = cb_fn;
2870 [ # # # # ]: 16 : ctx->cb_arg = cb_arg;
2871 : :
2872 : 16 : rc = nvme_ctrlr_op(nvme_ctrlr, op, nvme_ctrlr_op_rpc_complete, ctx);
2873 [ + + ]: 16 : if (rc == 0) {
2874 : 4 : return;
2875 [ + + ]: 12 : } else if (rc == -EALREADY) {
2876 : 0 : rc = 0;
2877 : 0 : }
2878 : :
2879 : 12 : nvme_ctrlr_op_rpc_complete(ctx, rc);
2880 : 4 : }
2881 : :
2882 : : static void nvme_bdev_ctrlr_op_rpc_continue(void *cb_arg, int rc);
2883 : :
2884 : : static void
2885 : 15 : _nvme_bdev_ctrlr_op_rpc_continue(void *_ctx)
2886 : : {
2887 : 15 : struct nvme_ctrlr_op_rpc_ctx *ctx = _ctx;
2888 : : struct nvme_ctrlr *prev_nvme_ctrlr, *next_nvme_ctrlr;
2889 : : int rc;
2890 : :
2891 [ # # # # ]: 15 : prev_nvme_ctrlr = ctx->nvme_ctrlr;
2892 [ # # # # ]: 15 : ctx->nvme_ctrlr = NULL;
2893 : :
2894 [ - + # # : 15 : if (ctx->rc != 0) {
# # ]
2895 : 0 : goto complete;
2896 : : }
2897 : :
2898 [ # # # # : 15 : next_nvme_ctrlr = TAILQ_NEXT(prev_nvme_ctrlr, tailq);
# # ]
2899 [ + + ]: 15 : if (next_nvme_ctrlr == NULL) {
2900 : 11 : goto complete;
2901 : : }
2902 : :
2903 [ # # # # ]: 4 : rc = nvme_ctrlr_op(next_nvme_ctrlr, ctx->op, nvme_bdev_ctrlr_op_rpc_continue, ctx);
2904 [ + + ]: 4 : if (rc == 0) {
2905 [ # # # # ]: 4 : ctx->nvme_ctrlr = next_nvme_ctrlr;
2906 : 4 : return;
2907 [ # # ]: 0 : } else if (rc == -EALREADY) {
2908 [ # # # # ]: 0 : ctx->nvme_ctrlr = next_nvme_ctrlr;
2909 : 0 : rc = 0;
2910 : 0 : }
2911 : :
2912 [ # # # # ]: 0 : ctx->rc = rc;
2913 : :
2914 : 9 : complete:
2915 [ # # # # : 11 : ctx->cb_fn(ctx->cb_arg, ctx->rc);
# # # # #
# # # # #
# # ]
2916 : 11 : free(ctx);
2917 : 3 : }
2918 : :
2919 : : static void
2920 : 15 : nvme_bdev_ctrlr_op_rpc_continue(void *cb_arg, int rc)
2921 : : {
2922 : 15 : struct nvme_ctrlr_op_rpc_ctx *ctx = cb_arg;
2923 : :
2924 [ # # # # ]: 15 : ctx->rc = rc;
2925 : :
2926 [ # # # # ]: 15 : spdk_thread_send_msg(ctx->orig_thread, _nvme_bdev_ctrlr_op_rpc_continue, ctx);
2927 : 15 : }
2928 : :
2929 : : void
2930 : 11 : nvme_bdev_ctrlr_op_rpc(struct nvme_bdev_ctrlr *nbdev_ctrlr, enum nvme_ctrlr_op op,
2931 : : bdev_nvme_ctrlr_op_cb cb_fn, void *cb_arg)
2932 : : {
2933 : : struct nvme_ctrlr_op_rpc_ctx *ctx;
2934 : : struct nvme_ctrlr *nvme_ctrlr;
2935 : : int rc;
2936 : :
2937 [ + + # # ]: 11 : assert(cb_fn != NULL);
2938 : :
2939 : 11 : ctx = calloc(1, sizeof(*ctx));
2940 [ + + ]: 11 : if (ctx == NULL) {
2941 : 0 : SPDK_ERRLOG("Failed to allocate nvme_ctrlr_op_rpc_ctx.\n");
2942 [ # # # # ]: 0 : cb_fn(cb_arg, -ENOMEM);
2943 : 0 : return;
2944 : : }
2945 : :
2946 [ # # # # ]: 11 : ctx->orig_thread = spdk_get_thread();
2947 [ # # # # ]: 11 : ctx->op = op;
2948 [ # # # # ]: 11 : ctx->cb_fn = cb_fn;
2949 [ # # # # ]: 11 : ctx->cb_arg = cb_arg;
2950 : :
2951 [ # # # # : 11 : nvme_ctrlr = TAILQ_FIRST(&nbdev_ctrlr->ctrlrs);
# # ]
2952 [ - + # # ]: 11 : assert(nvme_ctrlr != NULL);
2953 : :
2954 : 11 : rc = nvme_ctrlr_op(nvme_ctrlr, op, nvme_bdev_ctrlr_op_rpc_continue, ctx);
2955 [ + + ]: 11 : if (rc == 0) {
2956 [ # # # # ]: 11 : ctx->nvme_ctrlr = nvme_ctrlr;
2957 : 11 : return;
2958 [ # # ]: 0 : } else if (rc == -EALREADY) {
2959 [ # # # # ]: 0 : ctx->nvme_ctrlr = nvme_ctrlr;
2960 : 0 : rc = 0;
2961 : 0 : }
2962 : :
2963 : 0 : nvme_bdev_ctrlr_op_rpc_continue(ctx, rc);
2964 : 2 : }
2965 : :
2966 : : static int _bdev_nvme_reset_io(struct nvme_io_path *io_path, struct nvme_bdev_io *bio);
2967 : :
2968 : : static void
2969 : 97 : bdev_nvme_unfreeze_bdev_channel_done(struct nvme_bdev *nbdev, void *ctx, int status)
2970 : : {
2971 : 97 : struct nvme_bdev_io *bio = ctx;
2972 : : enum spdk_bdev_io_status io_status;
2973 : :
2974 [ + + # # : 97 : if (bio->cpl.cdw0 == 0) {
# # # # ]
2975 : 81 : io_status = SPDK_BDEV_IO_STATUS_SUCCESS;
2976 : 13 : } else {
2977 : 16 : io_status = SPDK_BDEV_IO_STATUS_FAILED;
2978 : : }
2979 : :
2980 [ + + - + : 97 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p completed, status:%d\n", bio, io_status);
# # # # #
# # # ]
2981 : :
2982 : 97 : __bdev_nvme_io_complete(spdk_bdev_io_from_ctx(bio), io_status, NULL);
2983 : 97 : }
2984 : :
2985 : : static void
2986 : 161 : bdev_nvme_unfreeze_bdev_channel(struct nvme_bdev_channel_iter *i,
2987 : : struct nvme_bdev *nbdev,
2988 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
2989 : : {
2990 : 161 : bdev_nvme_abort_retry_ios(nbdev_ch);
2991 [ # # # # ]: 161 : nbdev_ch->resetting = false;
2992 : :
2993 : 161 : nvme_bdev_for_each_channel_continue(i, 0);
2994 : 161 : }
2995 : :
2996 : : static void
2997 : 97 : bdev_nvme_reset_io_complete(struct nvme_bdev_io *bio)
2998 : : {
2999 : 97 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3000 [ # # # # : 97 : struct nvme_bdev *nbdev = (struct nvme_bdev *)bdev_io->bdev->ctxt;
# # # # ]
3001 : :
3002 : : /* Abort all queued I/Os for retry. */
3003 : 114 : nvme_bdev_for_each_channel(nbdev,
3004 : : bdev_nvme_unfreeze_bdev_channel,
3005 : 17 : bio,
3006 : : bdev_nvme_unfreeze_bdev_channel_done);
3007 : 97 : }
3008 : :
3009 : : static void
3010 : 137 : _bdev_nvme_reset_io_continue(void *ctx)
3011 : : {
3012 : 137 : struct nvme_bdev_io *bio = ctx;
3013 : : struct nvme_io_path *prev_io_path, *next_io_path;
3014 : : int rc;
3015 : :
3016 [ # # # # ]: 137 : prev_io_path = bio->io_path;
3017 [ # # # # ]: 137 : bio->io_path = NULL;
3018 : :
3019 [ # # # # : 137 : next_io_path = STAILQ_NEXT(prev_io_path, stailq);
# # ]
3020 [ + + ]: 137 : if (next_io_path == NULL) {
3021 : 97 : goto complete;
3022 : : }
3023 : :
3024 : 40 : rc = _bdev_nvme_reset_io(next_io_path, bio);
3025 [ + - ]: 40 : if (rc == 0) {
3026 : 40 : return;
3027 : : }
3028 : :
3029 : 0 : complete:
3030 : 97 : bdev_nvme_reset_io_complete(bio);
3031 : 27 : }
3032 : :
3033 : : static void
3034 : 137 : bdev_nvme_reset_io_continue(void *cb_arg, int rc)
3035 : : {
3036 : 137 : struct nvme_bdev_io *bio = cb_arg;
3037 : 137 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3038 [ # # # # : 137 : struct nvme_bdev *nbdev = (struct nvme_bdev *)bdev_io->bdev->ctxt;
# # # # ]
3039 : :
3040 [ + + - + : 137 : NVME_BDEV_INFOLOG(nbdev, "continue reset_io %p, rc:%d\n", bio, rc);
# # # # #
# # # ]
3041 : :
3042 : : /* Reset status is initialized as "failed". Set to "success" once we have at least one
3043 : : * successfully reset nvme_ctrlr.
3044 : : */
3045 [ + + ]: 137 : if (rc == 0) {
3046 [ # # # # : 97 : bio->cpl.cdw0 = 0;
# # ]
3047 : 17 : }
3048 : :
3049 : 137 : spdk_thread_send_msg(spdk_bdev_io_get_thread(bdev_io), _bdev_nvme_reset_io_continue, bio);
3050 : 137 : }
3051 : :
3052 : : static int
3053 : 137 : _bdev_nvme_reset_io(struct nvme_io_path *io_path, struct nvme_bdev_io *bio)
3054 : : {
3055 : 137 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3056 [ # # # # : 137 : struct nvme_bdev *nbdev = (struct nvme_bdev *)bdev_io->bdev->ctxt;
# # # # ]
3057 [ # # # # : 137 : struct nvme_ctrlr *nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
3058 : 97 : spdk_msg_fn msg_fn;
3059 : : int rc;
3060 : :
3061 [ + + # # : 137 : assert(bio->io_path == NULL);
# # # # ]
3062 [ # # # # ]: 137 : bio->io_path = io_path;
3063 : :
3064 [ - + # # ]: 137 : pthread_mutex_lock(&nvme_ctrlr->mutex);
3065 : 137 : rc = bdev_nvme_reset_ctrlr_unsafe(nvme_ctrlr, &msg_fn);
3066 [ + + ]: 137 : if (rc == -EBUSY) {
3067 : : /*
3068 : : * Reset call is queued only if it is from the app framework. This is on purpose so that
3069 : : * we don't interfere with the app framework reset strategy. i.e. we are deferring to the
3070 : : * upper level. If they are in the middle of a reset, we won't try to schedule another one.
3071 : : */
3072 [ # # # # : 48 : TAILQ_INSERT_TAIL(&nvme_ctrlr->pending_resets, bio, retry_link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
3073 : 12 : }
3074 [ - + # # ]: 137 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
3075 : :
3076 [ + + ]: 137 : if (rc == 0) {
3077 [ + + # # : 85 : assert(nvme_ctrlr->ctrlr_op_cb_fn == NULL);
# # # # ]
3078 [ + + # # : 85 : assert(nvme_ctrlr->ctrlr_op_cb_arg == NULL);
# # # # ]
3079 [ # # # # ]: 85 : nvme_ctrlr->ctrlr_op_cb_fn = bdev_nvme_reset_io_continue;
3080 [ # # # # ]: 85 : nvme_ctrlr->ctrlr_op_cb_arg = bio;
3081 : :
3082 [ # # # # ]: 85 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
3083 : :
3084 [ + + - + : 85 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p started resetting ctrlr [%s, %u].\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
3085 : : bio, CTRLR_STRING(nvme_ctrlr), CTRLR_ID(nvme_ctrlr));
3086 [ + + ]: 66 : } else if (rc == -EBUSY) {
3087 : 48 : rc = 0;
3088 : :
3089 [ + + - + : 48 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p was queued to ctrlr [%s, %u].\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
3090 : : bio, CTRLR_STRING(nvme_ctrlr), CTRLR_ID(nvme_ctrlr));
3091 : 12 : } else {
3092 [ + + - + : 4 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p could not reset ctrlr [%s, %u], rc:%d\n",
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
3093 : : bio, CTRLR_STRING(nvme_ctrlr), CTRLR_ID(nvme_ctrlr), rc);
3094 : : }
3095 : :
3096 : 137 : return rc;
3097 : : }
3098 : :
3099 : : static void
3100 : 97 : bdev_nvme_freeze_bdev_channel_done(struct nvme_bdev *nbdev, void *ctx, int status)
3101 : : {
3102 : 97 : struct nvme_bdev_io *bio = ctx;
3103 : 97 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
3104 : : struct nvme_bdev_channel *nbdev_ch;
3105 : : struct nvme_io_path *io_path;
3106 : : int rc;
3107 : :
3108 : 97 : nbdev_ch = spdk_io_channel_get_ctx(spdk_bdev_io_get_io_channel(bdev_io));
3109 : :
3110 : : /* Initialize with failed status. With multipath it is enough to have at least one successful
3111 : : * nvme_ctrlr reset. If there is none, reset status will remain failed.
3112 : : */
3113 [ # # # # : 97 : bio->cpl.cdw0 = 1;
# # ]
3114 : :
3115 : : /* Reset all nvme_ctrlrs of a bdev controller sequentially. */
3116 [ # # # # : 97 : io_path = STAILQ_FIRST(&nbdev_ch->io_path_list);
# # ]
3117 [ + + # # ]: 97 : assert(io_path != NULL);
3118 : :
3119 : 97 : rc = _bdev_nvme_reset_io(io_path, bio);
3120 [ + + ]: 97 : if (rc != 0) {
3121 : : /* If the current nvme_ctrlr is disabled, skip it and move to the next nvme_ctrlr. */
3122 [ + + ]: 4 : rc = (rc == -EALREADY) ? 0 : rc;
3123 : :
3124 : 4 : bdev_nvme_reset_io_continue(bio, rc);
3125 : 1 : }
3126 : 97 : }
3127 : :
3128 : : static void
3129 : 153 : bdev_nvme_freeze_bdev_channel(struct nvme_bdev_channel_iter *i,
3130 : : struct nvme_bdev *nbdev,
3131 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
3132 : : {
3133 [ # # # # ]: 153 : nbdev_ch->resetting = true;
3134 : :
3135 : 153 : nvme_bdev_for_each_channel_continue(i, 0);
3136 : 153 : }
3137 : :
3138 : : static void
3139 : 93 : bdev_nvme_reset_io(struct nvme_bdev *nbdev, struct nvme_bdev_io *bio)
3140 : : {
3141 [ + + - + : 93 : NVME_BDEV_INFOLOG(nbdev, "reset_io %p started.\n", bio);
# # # # #
# # # ]
3142 : :
3143 : 109 : nvme_bdev_for_each_channel(nbdev,
3144 : : bdev_nvme_freeze_bdev_channel,
3145 : 16 : bio,
3146 : : bdev_nvme_freeze_bdev_channel_done);
3147 : 93 : }
3148 : :
3149 : : static int
3150 : 346 : bdev_nvme_failover_ctrlr_unsafe(struct nvme_ctrlr *nvme_ctrlr, bool remove)
3151 : : {
3152 [ + + # # ]: 346 : if (nvme_ctrlr->destruct) {
3153 : : /* Don't bother resetting if the controller is in the process of being destructed. */
3154 : 208 : return -ENXIO;
3155 : : }
3156 : :
3157 [ + + # # ]: 138 : if (nvme_ctrlr->resetting) {
3158 [ + + # # ]: 15 : if (!nvme_ctrlr->in_failover) {
3159 [ + - # # : 12 : NVME_CTRLR_NOTICELOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3160 : : "Reset is already in progress. Defer failover until reset completes.\n");
3161 : :
3162 : : /* Defer failover until reset completes. */
3163 [ # # ]: 12 : nvme_ctrlr->pending_failover = true;
3164 : 12 : return -EINPROGRESS;
3165 : : } else {
3166 [ + - # # : 3 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Unable to perform failover, already in progress.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3167 : 3 : return -EBUSY;
3168 : : }
3169 : : }
3170 : :
3171 [ # # ]: 123 : bdev_nvme_failover_trid(nvme_ctrlr, remove, true);
3172 : :
3173 [ + + # # ]: 123 : if (nvme_ctrlr->reconnect_is_delayed) {
3174 [ + - # # : 4 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Reconnect is already scheduled.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3175 : :
3176 : : /* We rely on the next reconnect for the failover. */
3177 : 4 : return -EALREADY;
3178 : : }
3179 : :
3180 [ - + # # ]: 119 : if (nvme_ctrlr->disabled) {
3181 [ # # # # : 0 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Controller is disabled.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3182 : :
3183 : : /* We rely on the enablement for the failover. */
3184 : 0 : return -EALREADY;
3185 : : }
3186 : :
3187 [ # # ]: 119 : nvme_ctrlr->resetting = true;
3188 [ # # ]: 119 : nvme_ctrlr->in_failover = true;
3189 : :
3190 [ + + # # : 119 : assert(nvme_ctrlr->reset_start_tsc == 0);
# # # # ]
3191 [ # # # # ]: 119 : nvme_ctrlr->reset_start_tsc = spdk_get_ticks();
3192 : :
3193 : 119 : return 0;
3194 : 32 : }
3195 : :
3196 : : static int
3197 : 337 : bdev_nvme_failover_ctrlr(struct nvme_ctrlr *nvme_ctrlr)
3198 : : {
3199 : : int rc;
3200 : :
3201 [ - + # # ]: 337 : pthread_mutex_lock(&nvme_ctrlr->mutex);
3202 : 337 : rc = bdev_nvme_failover_ctrlr_unsafe(nvme_ctrlr, false);
3203 [ - + # # ]: 337 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
3204 : :
3205 [ + + ]: 337 : if (rc == 0) {
3206 [ # # # # ]: 114 : spdk_thread_send_msg(nvme_ctrlr->thread, _bdev_nvme_reset_ctrlr, nvme_ctrlr);
3207 [ + + ]: 248 : } else if (rc == -EALREADY) {
3208 : 0 : rc = 0;
3209 : 0 : }
3210 : :
3211 : 337 : return rc;
3212 : : }
3213 : :
3214 : : static int bdev_nvme_unmap(struct nvme_bdev_io *bio, uint64_t offset_blocks,
3215 : : uint64_t num_blocks);
3216 : :
3217 : : static int bdev_nvme_write_zeroes(struct nvme_bdev_io *bio, uint64_t offset_blocks,
3218 : : uint64_t num_blocks);
3219 : :
3220 : : static int bdev_nvme_copy(struct nvme_bdev_io *bio, uint64_t dst_offset_blocks,
3221 : : uint64_t src_offset_blocks,
3222 : : uint64_t num_blocks);
3223 : :
3224 : : static void
3225 : 2728077 : bdev_nvme_get_buf_cb(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_io,
3226 : : bool success)
3227 : : {
3228 [ # # ]: 2728077 : struct nvme_bdev_io *bio = (struct nvme_bdev_io *)bdev_io->driver_ctx;
3229 : : int ret;
3230 : :
3231 [ + + # # ]: 2728077 : if (!success) {
3232 : 0 : ret = -EINVAL;
3233 : 0 : goto exit;
3234 : : }
3235 : :
3236 [ + + # # : 2728077 : if (spdk_unlikely(!nvme_io_path_is_available(bio->io_path))) {
# # ]
3237 : 0 : ret = -ENXIO;
3238 : 0 : goto exit;
3239 : : }
3240 : :
3241 : 3013872 : ret = bdev_nvme_readv(bio,
3242 [ # # # # : 285795 : bdev_io->u.bdev.iovs,
# # # # ]
3243 [ # # # # : 285795 : bdev_io->u.bdev.iovcnt,
# # # # ]
3244 [ # # # # : 285795 : bdev_io->u.bdev.md_buf,
# # # # ]
3245 [ # # # # : 285795 : bdev_io->u.bdev.num_blocks,
# # # # ]
3246 [ # # # # : 285795 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3247 [ # # # # : 285795 : bdev_io->u.bdev.dif_check_flags,
# # # # ]
3248 [ # # # # : 285795 : bdev_io->u.bdev.memory_domain,
# # # # ]
3249 [ # # # # : 285795 : bdev_io->u.bdev.memory_domain_ctx,
# # # # ]
3250 [ # # # # : 285795 : bdev_io->u.bdev.accel_sequence);
# # # # ]
3251 : :
3252 : 2442282 : exit:
3253 [ + + ]: 2728077 : if (spdk_unlikely(ret != 0)) {
3254 : 11527 : bdev_nvme_io_complete(bio, ret);
3255 : 0 : }
3256 : 2728077 : }
3257 : :
3258 : : static inline void
3259 : 16816718 : _bdev_nvme_submit_request(struct nvme_bdev_channel *nbdev_ch, struct spdk_bdev_io *bdev_io)
3260 : : {
3261 [ + - ]: 16816718 : struct nvme_bdev_io *nbdev_io = (struct nvme_bdev_io *)bdev_io->driver_ctx;
3262 [ + - + - ]: 16816718 : struct spdk_bdev *bdev = bdev_io->bdev;
3263 : : struct nvme_bdev_io *nbdev_io_to_abort;
3264 : 16816718 : int rc = 0;
3265 : :
3266 [ + + + + : 16816718 : switch (bdev_io->type) {
+ + + + +
+ + + + +
- + + + -
- - - ]
3267 : 7934894 : case SPDK_BDEV_IO_TYPE_READ:
3268 [ + + + + : 8220531 : if (bdev_io->u.bdev.iovs && bdev_io->u.bdev.iovs[0].iov_base) {
+ - + - +
- + - + -
+ - + - +
- + - + -
- + ]
3269 : :
3270 : 5492870 : rc = bdev_nvme_readv(nbdev_io,
3271 [ - + - + : 129 : bdev_io->u.bdev.iovs,
- + - + ]
3272 [ - + - + : 129 : bdev_io->u.bdev.iovcnt,
- + - + ]
3273 [ - + - + : 129 : bdev_io->u.bdev.md_buf,
- + - + ]
3274 [ - + - + : 129 : bdev_io->u.bdev.num_blocks,
- + - + ]
3275 [ - + - + : 129 : bdev_io->u.bdev.offset_blocks,
- + - + ]
3276 [ - + - + : 129 : bdev_io->u.bdev.dif_check_flags,
- + - + ]
3277 [ - + - + : 129 : bdev_io->u.bdev.memory_domain,
- + - + ]
3278 [ - + - + : 129 : bdev_io->u.bdev.memory_domain_ctx,
- + - + ]
3279 [ - + - + : 129 : bdev_io->u.bdev.accel_sequence);
- + - + ]
3280 : 129 : } else {
3281 : 3013298 : spdk_bdev_io_get_buf(bdev_io, bdev_nvme_get_buf_cb,
3282 [ # # # # : 2727790 : bdev_io->u.bdev.num_blocks * bdev->blocklen);
# # # # #
# # # ]
3283 : 2727790 : rc = 0;
3284 : : }
3285 : 8220531 : break;
3286 : 6974018 : case SPDK_BDEV_IO_TYPE_WRITE:
3287 : 7546254 : rc = bdev_nvme_writev(nbdev_io,
3288 [ # # # # : 286118 : bdev_io->u.bdev.iovs,
# # # # ]
3289 [ # # # # : 286118 : bdev_io->u.bdev.iovcnt,
# # # # ]
3290 [ # # # # : 286118 : bdev_io->u.bdev.md_buf,
# # # # ]
3291 [ # # # # : 286118 : bdev_io->u.bdev.num_blocks,
# # # # ]
3292 [ # # # # : 286118 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3293 [ # # # # : 286118 : bdev_io->u.bdev.dif_check_flags,
# # # # ]
3294 [ # # # # : 286118 : bdev_io->u.bdev.memory_domain,
# # # # ]
3295 [ # # # # : 286118 : bdev_io->u.bdev.memory_domain_ctx,
# # # # ]
3296 [ # # # # : 286118 : bdev_io->u.bdev.accel_sequence,
# # # # ]
3297 [ # # # # : 286118 : bdev_io->u.bdev.nvme_cdw12,
# # ]
3298 [ # # # # : 286118 : bdev_io->u.bdev.nvme_cdw13);
# # ]
3299 : 7260136 : break;
3300 : 53 : case SPDK_BDEV_IO_TYPE_COMPARE:
3301 : 59 : rc = bdev_nvme_comparev(nbdev_io,
3302 [ # # # # : 3 : bdev_io->u.bdev.iovs,
# # # # ]
3303 [ # # # # : 3 : bdev_io->u.bdev.iovcnt,
# # # # ]
3304 [ # # # # : 3 : bdev_io->u.bdev.md_buf,
# # # # ]
3305 [ # # # # : 3 : bdev_io->u.bdev.num_blocks,
# # # # ]
3306 [ # # # # : 3 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3307 [ # # # # : 3 : bdev_io->u.bdev.dif_check_flags);
# # # # ]
3308 : 56 : break;
3309 : 16 : case SPDK_BDEV_IO_TYPE_COMPARE_AND_WRITE:
3310 : 20 : rc = bdev_nvme_comparev_and_writev(nbdev_io,
3311 [ # # # # : 2 : bdev_io->u.bdev.iovs,
# # # # ]
3312 [ # # # # : 2 : bdev_io->u.bdev.iovcnt,
# # # # ]
3313 [ # # # # : 2 : bdev_io->u.bdev.fused_iovs,
# # # # ]
3314 [ # # # # : 2 : bdev_io->u.bdev.fused_iovcnt,
# # # # ]
3315 [ # # # # : 2 : bdev_io->u.bdev.md_buf,
# # # # ]
3316 [ # # # # : 2 : bdev_io->u.bdev.num_blocks,
# # # # ]
3317 [ # # # # : 2 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3318 [ # # # # : 2 : bdev_io->u.bdev.dif_check_flags);
# # # # ]
3319 : 18 : break;
3320 : 14688 : case SPDK_BDEV_IO_TYPE_UNMAP:
3321 : 14694 : rc = bdev_nvme_unmap(nbdev_io,
3322 [ # # # # : 3 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3323 [ # # # # : 3 : bdev_io->u.bdev.num_blocks);
# # # # ]
3324 : 14691 : break;
3325 : 847525 : case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
3326 : 968623 : rc = bdev_nvme_write_zeroes(nbdev_io,
3327 [ # # # # : 60549 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3328 [ # # # # : 60549 : bdev_io->u.bdev.num_blocks);
# # # # ]
3329 : 908074 : break;
3330 : 77 : case SPDK_BDEV_IO_TYPE_RESET:
3331 [ # # # # ]: 93 : nbdev_io->io_path = NULL;
3332 [ # # # # ]: 93 : bdev_nvme_reset_io(bdev->ctxt, nbdev_io);
3333 : 93 : return;
3334 : :
3335 : 167430 : case SPDK_BDEV_IO_TYPE_FLUSH:
3336 : 167431 : bdev_nvme_io_complete(nbdev_io, 0);
3337 : 167431 : return;
3338 : :
3339 : 242895 : case SPDK_BDEV_IO_TYPE_ZONE_APPEND:
3340 : 242895 : rc = bdev_nvme_zone_appendv(nbdev_io,
3341 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
3342 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
3343 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
3344 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
3345 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3346 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags);
# # # # ]
3347 : 242895 : break;
3348 : 1 : case SPDK_BDEV_IO_TYPE_GET_ZONE_INFO:
3349 : 1 : rc = bdev_nvme_get_zone_info(nbdev_io,
3350 [ # # # # : 0 : bdev_io->u.zone_mgmt.zone_id,
# # # # ]
3351 [ # # # # : 0 : bdev_io->u.zone_mgmt.num_zones,
# # # # ]
3352 [ # # # # : 1 : bdev_io->u.zone_mgmt.buf);
# # # # ]
3353 : 1 : break;
3354 : 43 : case SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT:
3355 : 43 : rc = bdev_nvme_zone_management(nbdev_io,
3356 [ # # # # : 0 : bdev_io->u.zone_mgmt.zone_id,
# # # # ]
3357 [ # # # # : 0 : bdev_io->u.zone_mgmt.zone_action);
# # # # ]
3358 : 43 : break;
3359 : 64 : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
3360 [ # # # # ]: 70 : nbdev_io->io_path = NULL;
3361 : 76 : bdev_nvme_admin_passthru(nbdev_ch,
3362 : 6 : nbdev_io,
3363 [ # # # # : 6 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3364 [ # # # # : 6 : bdev_io->u.nvme_passthru.buf,
# # # # ]
3365 [ # # # # : 6 : bdev_io->u.nvme_passthru.nbytes);
# # # # ]
3366 : 70 : return;
3367 : :
3368 : 66 : case SPDK_BDEV_IO_TYPE_NVME_IO:
3369 : 72 : rc = bdev_nvme_io_passthru(nbdev_io,
3370 [ # # # # : 3 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3371 [ # # # # : 3 : bdev_io->u.nvme_passthru.buf,
# # # # ]
3372 [ # # # # : 3 : bdev_io->u.nvme_passthru.nbytes);
# # # # ]
3373 : 69 : break;
3374 : 0 : case SPDK_BDEV_IO_TYPE_NVME_IO_MD:
3375 : 0 : rc = bdev_nvme_io_passthru_md(nbdev_io,
3376 [ # # # # : 0 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3377 [ # # # # : 0 : bdev_io->u.nvme_passthru.buf,
# # # # ]
3378 [ # # # # : 0 : bdev_io->u.nvme_passthru.nbytes,
# # # # ]
3379 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_buf,
# # # # ]
3380 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_len);
# # # # ]
3381 : 0 : break;
3382 : 0 : case SPDK_BDEV_IO_TYPE_NVME_IOV_MD:
3383 : 0 : rc = bdev_nvme_iov_passthru_md(nbdev_io,
3384 [ # # # # : 0 : &bdev_io->u.nvme_passthru.cmd,
# # ]
3385 [ # # # # : 0 : bdev_io->u.nvme_passthru.iovs,
# # # # ]
3386 [ # # # # : 0 : bdev_io->u.nvme_passthru.iovcnt,
# # # # ]
3387 [ # # # # : 0 : bdev_io->u.nvme_passthru.nbytes,
# # # # ]
3388 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_buf,
# # # # ]
3389 [ # # # # : 0 : bdev_io->u.nvme_passthru.md_len);
# # # # ]
3390 : 0 : break;
3391 : 2574 : case SPDK_BDEV_IO_TYPE_ABORT:
3392 [ # # # # ]: 2580 : nbdev_io->io_path = NULL;
3393 [ # # # # : 2580 : nbdev_io_to_abort = (struct nvme_bdev_io *)bdev_io->u.abort.bio_to_abort->driver_ctx;
# # # # #
# ]
3394 : 2586 : bdev_nvme_abort(nbdev_ch,
3395 : 6 : nbdev_io,
3396 : 6 : nbdev_io_to_abort);
3397 : 2580 : return;
3398 : :
3399 : 29 : case SPDK_BDEV_IO_TYPE_COPY:
3400 : 31 : rc = bdev_nvme_copy(nbdev_io,
3401 [ # # # # : 1 : bdev_io->u.bdev.offset_blocks,
# # # # ]
3402 [ # # # # : 1 : bdev_io->u.bdev.copy.src_offset_blocks,
# # # # #
# ]
3403 [ # # # # : 1 : bdev_io->u.bdev.num_blocks);
# # # # ]
3404 : 30 : break;
3405 : 0 : default:
3406 : 0 : rc = -EINVAL;
3407 : 0 : break;
3408 : : }
3409 : :
3410 [ + + ]: 16646544 : if (spdk_unlikely(rc != 0)) {
3411 : 11651 : bdev_nvme_io_complete(nbdev_io, rc);
3412 : 0 : }
3413 : 632345 : }
3414 : :
3415 : : static void
3416 : 16859247 : bdev_nvme_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_io)
3417 : : {
3418 : 16859247 : struct nvme_bdev_channel *nbdev_ch = spdk_io_channel_get_ctx(ch);
3419 [ + - ]: 16859247 : struct nvme_bdev_io *nbdev_io = (struct nvme_bdev_io *)bdev_io->driver_ctx;
3420 : :
3421 [ + + + - : 16859247 : if (spdk_likely(nbdev_io->submit_tsc == 0)) {
- + ]
3422 [ + - + - ]: 16840817 : nbdev_io->submit_tsc = spdk_bdev_io_get_submit_tsc(bdev_io);
3423 : 630562 : } else {
3424 : : /* There are cases where submit_tsc != 0, i.e. retry I/O.
3425 : : * We need to update submit_tsc here.
3426 : : */
3427 [ # # # # ]: 18430 : nbdev_io->submit_tsc = spdk_get_ticks();
3428 : : }
3429 : :
3430 [ + + + + : 16859247 : spdk_trace_record(TRACE_BDEV_NVME_IO_START, 0, 0, (uintptr_t)nbdev_io, (uintptr_t)bdev_io);
+ - + - +
- + - + -
+ - ]
3431 [ + - + - ]: 16859225 : nbdev_io->io_path = bdev_nvme_find_io_path(nbdev_ch);
3432 [ + + + - : 16859225 : if (spdk_unlikely(!nbdev_io->io_path)) {
+ - ]
3433 [ + + # # : 45463 : if (!bdev_nvme_io_type_is_admin(bdev_io->type)) {
# # ]
3434 : 45459 : bdev_nvme_io_complete(nbdev_io, -ENXIO);
3435 : 45459 : return;
3436 : : }
3437 : :
3438 : : /* Admin commands do not use the optimal I/O path.
3439 : : * Simply fall through even if it is not found.
3440 : : */
3441 : 1 : }
3442 : :
3443 : 16813766 : _bdev_nvme_submit_request(nbdev_ch, bdev_io);
3444 : 630542 : }
3445 : :
3446 : : static bool
3447 : 2727460 : bdev_nvme_is_supported_csi(enum spdk_nvme_csi csi)
3448 : : {
3449 [ + + + ]: 2727460 : switch (csi) {
3450 : 2606167 : case SPDK_NVME_CSI_NVM:
3451 : 2727431 : return true;
3452 : 29 : case SPDK_NVME_CSI_ZNS:
3453 : 29 : return true;
3454 : 0 : default:
3455 : 0 : return false;
3456 : : }
3457 : 121264 : }
3458 : :
3459 : : static bool
3460 : 2727460 : bdev_nvme_io_type_supported(void *ctx, enum spdk_bdev_io_type io_type)
3461 : : {
3462 : 2727460 : struct nvme_bdev *nbdev = ctx;
3463 : : struct nvme_ns *nvme_ns;
3464 : : struct spdk_nvme_ns *ns;
3465 : : struct spdk_nvme_ctrlr *ctrlr;
3466 : : const struct spdk_nvme_ctrlr_data *cdata;
3467 : :
3468 [ + - + - : 2727460 : nvme_ns = TAILQ_FIRST(&nbdev->nvme_ns_list);
+ - ]
3469 [ + + # # ]: 2727460 : assert(nvme_ns != NULL);
3470 [ + - + - ]: 2727460 : ns = nvme_ns->ns;
3471 [ + + ]: 2727460 : if (ns == NULL) {
3472 : 0 : return false;
3473 : : }
3474 : :
3475 [ + + ]: 2727460 : if (!bdev_nvme_is_supported_csi(spdk_nvme_ns_get_csi(ns))) {
3476 [ # # # ]: 0 : switch (io_type) {
3477 : 0 : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
3478 : : case SPDK_BDEV_IO_TYPE_NVME_IO:
3479 : 0 : return true;
3480 : :
3481 : 0 : case SPDK_BDEV_IO_TYPE_NVME_IO_MD:
3482 : 0 : return spdk_nvme_ns_get_md_size(ns) ? true : false;
3483 : :
3484 : 0 : default:
3485 : 0 : return false;
3486 : : }
3487 : : }
3488 : :
3489 : 2727460 : ctrlr = spdk_nvme_ns_get_ctrlr(ns);
3490 : :
3491 [ + + + + : 2727460 : switch (io_type) {
+ + + + +
+ ]
3492 : 65206 : case SPDK_BDEV_IO_TYPE_READ:
3493 : : case SPDK_BDEV_IO_TYPE_WRITE:
3494 : : case SPDK_BDEV_IO_TYPE_RESET:
3495 : : case SPDK_BDEV_IO_TYPE_FLUSH:
3496 : : case SPDK_BDEV_IO_TYPE_NVME_ADMIN:
3497 : : case SPDK_BDEV_IO_TYPE_NVME_IO:
3498 : : case SPDK_BDEV_IO_TYPE_ABORT:
3499 : 65253 : return true;
3500 : :
3501 : 3696 : case SPDK_BDEV_IO_TYPE_COMPARE:
3502 : 3702 : return spdk_nvme_ns_supports_compare(ns);
3503 : :
3504 : 1004 : case SPDK_BDEV_IO_TYPE_NVME_IO_MD:
3505 : 1006 : return spdk_nvme_ns_get_md_size(ns) ? true : false;
3506 : :
3507 : 12088 : case SPDK_BDEV_IO_TYPE_UNMAP:
3508 : 12094 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3509 [ # # # # ]: 12094 : return cdata->oncs.dsm;
3510 : :
3511 : 2489613 : case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
3512 : 2610746 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3513 [ + - + - ]: 2610746 : return cdata->oncs.write_zeroes;
3514 : :
3515 : 3680 : case SPDK_BDEV_IO_TYPE_COMPARE_AND_WRITE:
3516 [ + + ]: 3686 : if (spdk_nvme_ctrlr_get_flags(ctrlr) &
3517 : : SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED) {
3518 : 128 : return true;
3519 : : }
3520 : 3558 : return false;
3521 : :
3522 : 7240 : case SPDK_BDEV_IO_TYPE_GET_ZONE_INFO:
3523 : : case SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT:
3524 : 7248 : return spdk_nvme_ns_get_csi(ns) == SPDK_NVME_CSI_ZNS;
3525 : :
3526 : 3621 : case SPDK_BDEV_IO_TYPE_ZONE_APPEND:
3527 [ + + ]: 3627 : return spdk_nvme_ns_get_csi(ns) == SPDK_NVME_CSI_ZNS &&
3528 [ + - ]: 2 : spdk_nvme_ctrlr_get_flags(ctrlr) & SPDK_NVME_CTRLR_ZONE_APPEND_SUPPORTED;
3529 : :
3530 : 5550 : case SPDK_BDEV_IO_TYPE_COPY:
3531 : 5586 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3532 [ + - + - ]: 5586 : return cdata->oncs.copy;
3533 : :
3534 : 14498 : default:
3535 : 14514 : return false;
3536 : : }
3537 : 121264 : }
3538 : :
3539 : : static int
3540 : 1586 : nvme_qpair_create(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ctrlr_channel *ctrlr_ch)
3541 : : {
3542 : : struct nvme_qpair *nvme_qpair;
3543 : : struct spdk_io_channel *pg_ch;
3544 : : int rc;
3545 : :
3546 : 1586 : nvme_qpair = calloc(1, sizeof(*nvme_qpair));
3547 [ + + ]: 1586 : if (!nvme_qpair) {
3548 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to alloc nvme_qpair.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
3549 : 0 : return -1;
3550 : : }
3551 : :
3552 [ + - + - : 1586 : TAILQ_INIT(&nvme_qpair->io_path_list);
+ - + - +
- + - + -
+ - ]
3553 : :
3554 [ + - + - ]: 1586 : nvme_qpair->ctrlr = nvme_ctrlr;
3555 [ + - + - ]: 1586 : nvme_qpair->ctrlr_ch = ctrlr_ch;
3556 : :
3557 : 1586 : pg_ch = spdk_get_io_channel(&g_nvme_bdev_ctrlrs);
3558 [ + + ]: 1586 : if (!pg_ch) {
3559 : 0 : free(nvme_qpair);
3560 : 0 : return -1;
3561 : : }
3562 : :
3563 [ + - + - ]: 1586 : nvme_qpair->group = spdk_io_channel_get_ctx(pg_ch);
3564 : :
3565 : : #ifdef SPDK_CONFIG_VTUNE
3566 : : nvme_qpair->group->collect_spin_stat = true;
3567 : : #else
3568 [ + - + - : 1586 : nvme_qpair->group->collect_spin_stat = false;
+ - + - ]
3569 : : #endif
3570 : :
3571 [ + + - + ]: 1586 : if (!nvme_ctrlr->disabled) {
3572 : : /* If a nvme_ctrlr is disabled, don't try to create qpair for it. Qpair will
3573 : : * be created when it's enabled.
3574 : : */
3575 : 1586 : rc = bdev_nvme_create_qpair(nvme_qpair);
3576 [ + + ]: 1586 : if (rc != 0) {
3577 : : /* nvme_ctrlr can't create IO qpair if connection is down.
3578 : : * If reconnect_delay_sec is non-zero, creating IO qpair is retried
3579 : : * after reconnect_delay_sec seconds. If bdev_retry_count is non-zero,
3580 : : * submitted IO will be queued until IO qpair is successfully created.
3581 : : *
3582 : : * Hence, if both are satisfied, ignore the failure.
3583 : : */
3584 [ # # # # : 0 : if (nvme_ctrlr->opts.reconnect_delay_sec == 0 || g_opts.bdev_retry_count == 0) {
# # # # #
# # # ]
3585 : 0 : spdk_put_io_channel(pg_ch);
3586 : 0 : free(nvme_qpair);
3587 : 0 : return rc;
3588 : : }
3589 : 0 : }
3590 : 82 : }
3591 : :
3592 [ + - + - : 1586 : TAILQ_INSERT_TAIL(&nvme_qpair->group->qpair_list, nvme_qpair, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - ]
3593 : :
3594 [ + - + - ]: 1586 : ctrlr_ch->qpair = nvme_qpair;
3595 : :
3596 : 1586 : nvme_ctrlr_get_ref(nvme_ctrlr);
3597 : :
3598 : 1586 : return 0;
3599 : 82 : }
3600 : :
3601 : : static int
3602 : 1586 : bdev_nvme_create_ctrlr_channel_cb(void *io_device, void *ctx_buf)
3603 : : {
3604 : 1586 : struct nvme_ctrlr *nvme_ctrlr = io_device;
3605 : 1586 : struct nvme_ctrlr_channel *ctrlr_ch = ctx_buf;
3606 : :
3607 : 1586 : return nvme_qpair_create(nvme_ctrlr, ctrlr_ch);
3608 : : }
3609 : :
3610 : : static void
3611 : 1586 : nvme_qpair_delete(struct nvme_qpair *nvme_qpair)
3612 : : {
3613 : : struct nvme_io_path *io_path, *next;
3614 : :
3615 [ + + + - : 1586 : assert(nvme_qpair->group != NULL);
+ - # # ]
3616 : :
3617 [ + + + + : 3190 : TAILQ_FOREACH_SAFE(io_path, &nvme_qpair->io_path_list, tailq, next) {
+ - + + +
- + - + -
+ + ]
3618 [ + + + - : 1604 : TAILQ_REMOVE(&nvme_qpair->io_path_list, io_path, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - ]
3619 : 1604 : nvme_io_path_free(io_path);
3620 : 60 : }
3621 : :
3622 [ + + + - : 1586 : TAILQ_REMOVE(&nvme_qpair->group->qpair_list, nvme_qpair, tailq);
+ - - + #
# # # # #
# # # # #
# # # # #
# # + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
3623 : :
3624 [ + - + - ]: 1586 : spdk_put_io_channel(spdk_io_channel_from_ctx(nvme_qpair->group));
3625 : :
3626 [ + - + - ]: 1586 : nvme_ctrlr_put_ref(nvme_qpair->ctrlr);
3627 : :
3628 : 1586 : free(nvme_qpair);
3629 : 1586 : }
3630 : :
3631 : : static void
3632 : 1586 : bdev_nvme_destroy_ctrlr_channel_cb(void *io_device, void *ctx_buf)
3633 : : {
3634 : 1586 : struct nvme_ctrlr_channel *ctrlr_ch = ctx_buf;
3635 : : struct nvme_qpair *nvme_qpair;
3636 : :
3637 [ + - + - ]: 1586 : nvme_qpair = ctrlr_ch->qpair;
3638 [ + + # # ]: 1586 : assert(nvme_qpair != NULL);
3639 : :
3640 : 1586 : _bdev_nvme_clear_io_path_cache(nvme_qpair);
3641 : :
3642 [ + + + - : 1586 : if (nvme_qpair->qpair != NULL) {
+ - ]
3643 [ + + + - : 1527 : if (ctrlr_ch->reset_iter == NULL) {
- + ]
3644 [ + - + - ]: 1527 : spdk_nvme_ctrlr_disconnect_io_qpair(nvme_qpair->qpair);
3645 : 68 : } else {
3646 : : /* Skip current ctrlr_channel in a full reset sequence because
3647 : : * it is being deleted now. The qpair is already being disconnected.
3648 : : * We do not have to restart disconnecting it.
3649 : : */
3650 [ # # # # ]: 0 : nvme_ctrlr_for_each_channel_continue(ctrlr_ch->reset_iter, 0);
3651 : : }
3652 : :
3653 : : /* We cannot release a reference to the poll group now.
3654 : : * The qpair may be disconnected asynchronously later.
3655 : : * We need to poll it until it is actually disconnected.
3656 : : * Just detach the qpair from the deleting ctrlr_channel.
3657 : : */
3658 [ + - + - ]: 1527 : nvme_qpair->ctrlr_ch = NULL;
3659 : 68 : } else {
3660 [ - + # # : 59 : assert(ctrlr_ch->reset_iter == NULL);
# # # # ]
3661 : :
3662 : 59 : nvme_qpair_delete(nvme_qpair);
3663 : : }
3664 : 1586 : }
3665 : :
3666 : : static inline struct spdk_io_channel *
3667 : 313024 : bdev_nvme_get_accel_channel(struct nvme_poll_group *group)
3668 : : {
3669 [ + + # # : 313024 : if (spdk_unlikely(!group->accel_channel)) {
# # ]
3670 [ # # # # ]: 19 : group->accel_channel = spdk_accel_get_io_channel();
3671 [ - + # # : 19 : if (!group->accel_channel) {
# # ]
3672 : 0 : SPDK_ERRLOG("Cannot get the accel_channel for bdev nvme polling group=%p\n",
3673 : : group);
3674 : 0 : return NULL;
3675 : : }
3676 : 0 : }
3677 : :
3678 [ # # # # ]: 313024 : return group->accel_channel;
3679 : 0 : }
3680 : :
3681 : : static void
3682 : 313024 : bdev_nvme_finish_sequence(void *seq, spdk_nvme_accel_completion_cb cb_fn, void *cb_arg)
3683 : : {
3684 : 313024 : spdk_accel_sequence_finish(seq, cb_fn, cb_arg);
3685 : 313024 : }
3686 : :
3687 : : static void
3688 : 0 : bdev_nvme_abort_sequence(void *seq)
3689 : : {
3690 : 0 : spdk_accel_sequence_abort(seq);
3691 : 0 : }
3692 : :
3693 : : static void
3694 : 154336 : bdev_nvme_reverse_sequence(void *seq)
3695 : : {
3696 : 154336 : spdk_accel_sequence_reverse(seq);
3697 : 154336 : }
3698 : :
3699 : : static int
3700 : 313024 : bdev_nvme_append_crc32c(void *ctx, void **seq, uint32_t *dst, struct iovec *iovs, uint32_t iovcnt,
3701 : : struct spdk_memory_domain *domain, void *domain_ctx, uint32_t seed,
3702 : : spdk_nvme_accel_step_cb cb_fn, void *cb_arg)
3703 : : {
3704 : : struct spdk_io_channel *ch;
3705 : 313024 : struct nvme_poll_group *group = ctx;
3706 : :
3707 : 313024 : ch = bdev_nvme_get_accel_channel(group);
3708 [ - + ]: 313024 : if (spdk_unlikely(ch == NULL)) {
3709 : 0 : return -ENOMEM;
3710 : : }
3711 : :
3712 : 313024 : return spdk_accel_append_crc32c((struct spdk_accel_sequence **)seq, ch, dst, iovs, iovcnt,
3713 : 0 : domain, domain_ctx, seed, cb_fn, cb_arg);
3714 : 0 : }
3715 : :
3716 : : static int
3717 : 0 : bdev_nvme_append_copy(void *ctx, void **seq, struct iovec *dst_iovs, uint32_t dst_iovcnt,
3718 : : struct spdk_memory_domain *dst_domain, void *dst_domain_ctx,
3719 : : struct iovec *src_iovs, uint32_t src_iovcnt,
3720 : : struct spdk_memory_domain *src_domain, void *src_domain_ctx,
3721 : : spdk_nvme_accel_step_cb cb_fn, void *cb_arg)
3722 : : {
3723 : : struct spdk_io_channel *ch;
3724 : 0 : struct nvme_poll_group *group = ctx;
3725 : :
3726 : 0 : ch = bdev_nvme_get_accel_channel(group);
3727 [ # # ]: 0 : if (spdk_unlikely(ch == NULL)) {
3728 : 0 : return -ENOMEM;
3729 : : }
3730 : :
3731 : 0 : return spdk_accel_append_copy((struct spdk_accel_sequence **)seq, ch,
3732 : 0 : dst_iovs, dst_iovcnt, dst_domain, dst_domain_ctx,
3733 : 0 : src_iovs, src_iovcnt, src_domain, src_domain_ctx,
3734 : 0 : cb_fn, cb_arg);
3735 : 0 : }
3736 : :
3737 : : static struct spdk_nvme_accel_fn_table g_bdev_nvme_accel_fn_table = {
3738 : : .table_size = sizeof(struct spdk_nvme_accel_fn_table),
3739 : : .append_crc32c = bdev_nvme_append_crc32c,
3740 : : .append_copy = bdev_nvme_append_copy,
3741 : : .finish_sequence = bdev_nvme_finish_sequence,
3742 : : .reverse_sequence = bdev_nvme_reverse_sequence,
3743 : : .abort_sequence = bdev_nvme_abort_sequence,
3744 : : };
3745 : :
3746 : : static int
3747 : 0 : bdev_nvme_interrupt_wrapper(void *ctx)
3748 : : {
3749 : : int num_events;
3750 : 0 : struct nvme_poll_group *group = ctx;
3751 : :
3752 [ # # # # ]: 0 : num_events = spdk_nvme_poll_group_wait(group->group, bdev_nvme_disconnected_qpair_cb);
3753 [ # # ]: 0 : if (spdk_unlikely(num_events < 0)) {
3754 : 0 : bdev_nvme_check_io_qpairs(group);
3755 : 0 : }
3756 : :
3757 : 0 : return num_events;
3758 : : }
3759 : :
3760 : : static int
3761 : 1433 : bdev_nvme_create_poll_group_cb(void *io_device, void *ctx_buf)
3762 : : {
3763 : 1433 : struct nvme_poll_group *group = ctx_buf;
3764 : : uint64_t period;
3765 : : int fd;
3766 : :
3767 [ + - + - : 1433 : TAILQ_INIT(&group->qpair_list);
+ - + - +
- + - + -
+ - ]
3768 : :
3769 [ + - + - ]: 1433 : group->group = spdk_nvme_poll_group_create(group, &g_bdev_nvme_accel_fn_table);
3770 [ + + + - : 1433 : if (group->group == NULL) {
+ - ]
3771 : 0 : return -1;
3772 : : }
3773 : :
3774 [ + + + - ]: 1433 : period = spdk_interrupt_mode_is_enabled() ? 0 : g_opts.nvme_ioq_poll_period_us;
3775 [ + - + - ]: 1433 : group->poller = SPDK_POLLER_REGISTER(bdev_nvme_poll, group, period);
3776 : :
3777 [ + + + - : 1433 : if (group->poller == NULL) {
+ - ]
3778 [ # # # # ]: 0 : spdk_nvme_poll_group_destroy(group->group);
3779 : 0 : return -1;
3780 : : }
3781 : :
3782 [ + + ]: 1433 : if (spdk_interrupt_mode_is_enabled()) {
3783 [ # # # # ]: 0 : spdk_poller_register_interrupt(group->poller, NULL, NULL);
3784 : :
3785 [ # # # # ]: 0 : fd = spdk_nvme_poll_group_get_fd(group->group);
3786 [ # # ]: 0 : if (fd < 0) {
3787 [ # # # # ]: 0 : spdk_nvme_poll_group_destroy(group->group);
3788 : 0 : return -1;
3789 : : }
3790 : :
3791 [ # # # # ]: 0 : group->intr = SPDK_INTERRUPT_REGISTER(fd, bdev_nvme_interrupt_wrapper, group);
3792 [ # # # # : 0 : if (!group->intr) {
# # ]
3793 [ # # # # ]: 0 : spdk_nvme_poll_group_destroy(group->group);
3794 : 0 : return -1;
3795 : : }
3796 : 0 : }
3797 : :
3798 : 1433 : return 0;
3799 : 67 : }
3800 : :
3801 : : static void
3802 : 1433 : bdev_nvme_destroy_poll_group_cb(void *io_device, void *ctx_buf)
3803 : : {
3804 : 1433 : struct nvme_poll_group *group = ctx_buf;
3805 : :
3806 [ + + + - : 1433 : assert(TAILQ_EMPTY(&group->qpair_list));
+ - + - #
# ]
3807 : :
3808 [ + + + - : 1433 : if (group->accel_channel) {
+ - ]
3809 [ # # # # ]: 19 : spdk_put_io_channel(group->accel_channel);
3810 : 0 : }
3811 : :
3812 [ + + ]: 1433 : if (spdk_interrupt_mode_is_enabled()) {
3813 [ # # ]: 0 : spdk_interrupt_unregister(&group->intr);
3814 : 0 : }
3815 : :
3816 [ + - ]: 1433 : spdk_poller_unregister(&group->poller);
3817 [ + + + - : 1433 : if (spdk_nvme_poll_group_destroy(group->group)) {
+ - ]
3818 : 0 : SPDK_ERRLOG("Unable to destroy a poll group for the NVMe bdev module.\n");
3819 [ # # ]: 0 : assert(false);
3820 : : }
3821 : 1433 : }
3822 : :
3823 : : static struct spdk_io_channel *
3824 : 1456 : bdev_nvme_get_io_channel(void *ctx)
3825 : : {
3826 : 1456 : struct nvme_bdev *nvme_bdev = ctx;
3827 : :
3828 : 1456 : return spdk_get_io_channel(nvme_bdev);
3829 : : }
3830 : :
3831 : : static void *
3832 : 0 : bdev_nvme_get_module_ctx(void *ctx)
3833 : : {
3834 : 0 : struct nvme_bdev *nvme_bdev = ctx;
3835 : : struct nvme_ns *nvme_ns;
3836 : :
3837 [ # # # # : 0 : if (!nvme_bdev || nvme_bdev->disk.module != &nvme_if) {
# # # # #
# ]
3838 : 0 : return NULL;
3839 : : }
3840 : :
3841 [ # # # # : 0 : nvme_ns = TAILQ_FIRST(&nvme_bdev->nvme_ns_list);
# # ]
3842 [ # # ]: 0 : if (!nvme_ns) {
3843 : 0 : return NULL;
3844 : : }
3845 : :
3846 [ # # # # ]: 0 : return nvme_ns->ns;
3847 : 0 : }
3848 : :
3849 : : static const char *
3850 : 0 : _nvme_ana_state_str(enum spdk_nvme_ana_state ana_state)
3851 : : {
3852 [ # # # # : 0 : switch (ana_state) {
# # ]
3853 : 0 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
3854 : 0 : return "optimized";
3855 : 0 : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
3856 : 0 : return "non_optimized";
3857 : 0 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
3858 : 0 : return "inaccessible";
3859 : 0 : case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
3860 : 0 : return "persistent_loss";
3861 : 0 : case SPDK_NVME_ANA_CHANGE_STATE:
3862 : 0 : return "change";
3863 : 0 : default:
3864 : 0 : return NULL;
3865 : : }
3866 : 0 : }
3867 : :
3868 : : static int
3869 : 7295 : bdev_nvme_get_memory_domains(void *ctx, struct spdk_memory_domain **domains, int array_size)
3870 : : {
3871 : 7295 : struct spdk_memory_domain **_domains = NULL;
3872 : 7295 : struct nvme_bdev *nbdev = ctx;
3873 : : struct nvme_ns *nvme_ns;
3874 : 7295 : int i = 0, _array_size = array_size;
3875 : 7295 : int rc = 0;
3876 : :
3877 [ + + + - : 14627 : TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
+ - + + +
- + - +
- ]
3878 [ + + + + ]: 7332 : if (domains && array_size >= i) {
3879 [ # # ]: 170 : _domains = &domains[i];
3880 : 11 : } else {
3881 : 7162 : _domains = NULL;
3882 : : }
3883 [ + - + - : 7332 : rc = spdk_nvme_ctrlr_get_memory_domains(nvme_ns->ctrlr->ctrlr, _domains, _array_size);
+ - + - ]
3884 [ + + ]: 7332 : if (rc > 0) {
3885 [ # # ]: 1337 : i += rc;
3886 [ + + ]: 1337 : if (_array_size >= rc) {
3887 [ # # ]: 162 : _array_size -= rc;
3888 : 9 : } else {
3889 : 1175 : _array_size = 0;
3890 : : }
3891 [ + + ]: 6008 : } else if (rc < 0) {
3892 : 0 : return rc;
3893 : : }
3894 : 77 : }
3895 : :
3896 : 7295 : return i;
3897 : 71 : }
3898 : :
3899 : : static const char *
3900 : 195 : nvme_ctrlr_get_state_str(struct nvme_ctrlr *nvme_ctrlr)
3901 : : {
3902 [ - + # # ]: 195 : if (nvme_ctrlr->destruct) {
3903 : 0 : return "deleting";
3904 [ - + # # : 195 : } else if (spdk_nvme_ctrlr_is_failed(nvme_ctrlr->ctrlr)) {
# # ]
3905 : 0 : return "failed";
3906 [ + + # # ]: 195 : } else if (nvme_ctrlr->resetting) {
3907 : 4 : return "resetting";
3908 [ + + # # ]: 191 : } else if (nvme_ctrlr->reconnect_is_delayed > 0) {
3909 : 1 : return "reconnect_is_delayed";
3910 [ + + # # ]: 190 : } else if (nvme_ctrlr->disabled) {
3911 : 0 : return "disabled";
3912 : : } else {
3913 : 190 : return "enabled";
3914 : : }
3915 : 1 : }
3916 : :
3917 : : void
3918 : 195 : nvme_ctrlr_info_json(struct spdk_json_write_ctx *w, struct nvme_ctrlr *nvme_ctrlr)
3919 : 194 : {
3920 : : struct spdk_nvme_transport_id *trid;
3921 : : const struct spdk_nvme_ctrlr_opts *opts;
3922 : : const struct spdk_nvme_ctrlr_data *cdata;
3923 : : struct nvme_path_id *path_id;
3924 : : int32_t numa_id;
3925 : :
3926 : 195 : spdk_json_write_object_begin(w);
3927 : :
3928 : 195 : spdk_json_write_named_string(w, "state", nvme_ctrlr_get_state_str(nvme_ctrlr));
3929 : :
3930 : : #ifdef SPDK_CONFIG_NVME_CUSE
3931 : 194 : size_t cuse_name_size = 128;
3932 [ - + ]: 194 : char cuse_name[cuse_name_size];
3933 : :
3934 [ # # # # ]: 194 : int rc = spdk_nvme_cuse_get_ctrlr_name(nvme_ctrlr->ctrlr, cuse_name, &cuse_name_size);
3935 [ + + ]: 194 : if (rc == 0) {
3936 : 3 : spdk_json_write_named_string(w, "cuse_device", cuse_name);
3937 : 0 : }
3938 : : #endif
3939 [ # # # # : 195 : trid = &nvme_ctrlr->active_path_id->trid;
# # ]
3940 : 195 : spdk_json_write_named_object_begin(w, "trid");
3941 : 195 : nvme_bdev_dump_trid_json(trid, w);
3942 : 195 : spdk_json_write_object_end(w);
3943 : :
3944 [ # # # # : 195 : path_id = TAILQ_NEXT(nvme_ctrlr->active_path_id, link);
# # # # #
# ]
3945 [ + + ]: 195 : if (path_id != NULL) {
3946 : 3 : spdk_json_write_named_array_begin(w, "alternate_trids");
3947 : 0 : do {
3948 [ # # ]: 4 : trid = &path_id->trid;
3949 : 4 : spdk_json_write_object_begin(w);
3950 : 4 : nvme_bdev_dump_trid_json(trid, w);
3951 : 4 : spdk_json_write_object_end(w);
3952 : :
3953 [ # # # # : 4 : path_id = TAILQ_NEXT(path_id, link);
# # ]
3954 [ + + ]: 4 : } while (path_id != NULL);
3955 : 3 : spdk_json_write_array_end(w);
3956 : 0 : }
3957 : :
3958 [ # # # # ]: 195 : cdata = spdk_nvme_ctrlr_get_data(nvme_ctrlr->ctrlr);
3959 [ # # # # ]: 195 : spdk_json_write_named_uint16(w, "cntlid", cdata->cntlid);
3960 : :
3961 [ # # # # ]: 195 : opts = spdk_nvme_ctrlr_get_opts(nvme_ctrlr->ctrlr);
3962 : 195 : spdk_json_write_named_object_begin(w, "host");
3963 [ # # ]: 195 : spdk_json_write_named_string(w, "nqn", opts->hostnqn);
3964 [ # # ]: 195 : spdk_json_write_named_string(w, "addr", opts->src_addr);
3965 [ # # ]: 195 : spdk_json_write_named_string(w, "svcid", opts->src_svcid);
3966 : 195 : spdk_json_write_object_end(w);
3967 : :
3968 [ # # # # ]: 195 : numa_id = spdk_nvme_ctrlr_get_numa_id(nvme_ctrlr->ctrlr);
3969 [ + + ]: 195 : if (numa_id != SPDK_ENV_NUMA_ID_ANY) {
3970 : 7 : spdk_json_write_named_uint32(w, "numa_id", numa_id);
3971 : 0 : }
3972 : 195 : spdk_json_write_object_end(w);
3973 : 195 : }
3974 : :
3975 : : static void
3976 : 1008 : nvme_namespace_info_json(struct spdk_json_write_ctx *w,
3977 : : struct nvme_ns *nvme_ns)
3978 : 1006 : {
3979 : : struct spdk_nvme_ns *ns;
3980 : : struct spdk_nvme_ctrlr *ctrlr;
3981 : : const struct spdk_nvme_ctrlr_data *cdata;
3982 : : const struct spdk_nvme_transport_id *trid;
3983 : : union spdk_nvme_vs_register vs;
3984 : : const struct spdk_nvme_ns_data *nsdata;
3985 : 889 : char buf[128];
3986 : :
3987 [ # # # # ]: 1008 : ns = nvme_ns->ns;
3988 [ + + ]: 1008 : if (ns == NULL) {
3989 : 0 : return;
3990 : : }
3991 : :
3992 : 1008 : ctrlr = spdk_nvme_ns_get_ctrlr(ns);
3993 : :
3994 : 1008 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
3995 : 1008 : trid = spdk_nvme_ctrlr_get_transport_id(ctrlr);
3996 : 1008 : vs = spdk_nvme_ctrlr_get_regs_vs(ctrlr);
3997 : :
3998 : 1008 : spdk_json_write_object_begin(w);
3999 : :
4000 [ + + # # : 1008 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # ]
4001 [ # # ]: 882 : spdk_json_write_named_string(w, "pci_address", trid->traddr);
4002 : 2 : }
4003 : :
4004 : 1008 : spdk_json_write_named_object_begin(w, "trid");
4005 : :
4006 : 1008 : nvme_bdev_dump_trid_json(trid, w);
4007 : :
4008 : 1008 : spdk_json_write_object_end(w);
4009 : :
4010 : : #ifdef SPDK_CONFIG_NVME_CUSE
4011 : 1006 : size_t cuse_name_size = 128;
4012 [ - + ]: 1006 : char cuse_name[cuse_name_size];
4013 : :
4014 : 1006 : int rc = spdk_nvme_cuse_get_ns_name(ctrlr, spdk_nvme_ns_get_id(ns),
4015 : : cuse_name, &cuse_name_size);
4016 [ + + ]: 1006 : if (rc == 0) {
4017 : 4 : spdk_json_write_named_string(w, "cuse_device", cuse_name);
4018 : 0 : }
4019 : : #endif
4020 : :
4021 : 1008 : spdk_json_write_named_object_begin(w, "ctrlr_data");
4022 : :
4023 [ # # # # ]: 1008 : spdk_json_write_named_uint16(w, "cntlid", cdata->cntlid);
4024 : :
4025 [ # # # # ]: 1008 : spdk_json_write_named_string_fmt(w, "vendor_id", "0x%04x", cdata->vid);
4026 : :
4027 [ - + ]: 1008 : snprintf(buf, sizeof(cdata->mn) + 1, "%s", cdata->mn);
4028 : 1008 : spdk_str_trim(buf);
4029 : 1008 : spdk_json_write_named_string(w, "model_number", buf);
4030 : :
4031 [ - + ]: 1008 : snprintf(buf, sizeof(cdata->sn) + 1, "%s", cdata->sn);
4032 : 1008 : spdk_str_trim(buf);
4033 : 1008 : spdk_json_write_named_string(w, "serial_number", buf);
4034 : :
4035 [ - + ]: 1008 : snprintf(buf, sizeof(cdata->fr) + 1, "%s", cdata->fr);
4036 : 1008 : spdk_str_trim(buf);
4037 : 1008 : spdk_json_write_named_string(w, "firmware_revision", buf);
4038 : :
4039 [ + + # # : 1008 : if (cdata->subnqn[0] != '\0') {
# # # # #
# ]
4040 [ # # ]: 987 : spdk_json_write_named_string(w, "subnqn", cdata->subnqn);
4041 : 2 : }
4042 : :
4043 : 1008 : spdk_json_write_named_object_begin(w, "oacs");
4044 : :
4045 [ # # # # ]: 1008 : spdk_json_write_named_uint32(w, "security", cdata->oacs.security);
4046 [ # # # # ]: 1008 : spdk_json_write_named_uint32(w, "format", cdata->oacs.format);
4047 [ # # # # ]: 1008 : spdk_json_write_named_uint32(w, "firmware", cdata->oacs.firmware);
4048 [ # # # # ]: 1008 : spdk_json_write_named_uint32(w, "ns_manage", cdata->oacs.ns_manage);
4049 : :
4050 : 1008 : spdk_json_write_object_end(w);
4051 : :
4052 [ # # # # ]: 1008 : spdk_json_write_named_bool(w, "multi_ctrlr", cdata->cmic.multi_ctrlr);
4053 [ # # # # ]: 1008 : spdk_json_write_named_bool(w, "ana_reporting", cdata->cmic.ana_reporting);
4054 : :
4055 : 1008 : spdk_json_write_object_end(w);
4056 : :
4057 : 1008 : spdk_json_write_named_object_begin(w, "vs");
4058 : :
4059 : 1008 : spdk_json_write_name(w, "nvme_version");
4060 [ + + ]: 1008 : if (vs.bits.ter) {
4061 : 0 : spdk_json_write_string_fmt(w, "%u.%u.%u", vs.bits.mjr, vs.bits.mnr, vs.bits.ter);
4062 : 0 : } else {
4063 : 1008 : spdk_json_write_string_fmt(w, "%u.%u", vs.bits.mjr, vs.bits.mnr);
4064 : : }
4065 : :
4066 : 1008 : spdk_json_write_object_end(w);
4067 : :
4068 : 1008 : nsdata = spdk_nvme_ns_get_data(ns);
4069 : :
4070 : 1008 : spdk_json_write_named_object_begin(w, "ns_data");
4071 : :
4072 : 1008 : spdk_json_write_named_uint32(w, "id", spdk_nvme_ns_get_id(ns));
4073 : :
4074 [ + + # # : 1008 : if (cdata->cmic.ana_reporting) {
# # ]
4075 : 0 : spdk_json_write_named_string(w, "ana_state",
4076 [ # # # # ]: 0 : _nvme_ana_state_str(nvme_ns->ana_state));
4077 : 0 : }
4078 : :
4079 [ # # # # ]: 1008 : spdk_json_write_named_bool(w, "can_share", nsdata->nmic.can_share);
4080 : :
4081 : 1008 : spdk_json_write_object_end(w);
4082 : :
4083 [ + + # # : 1008 : if (cdata->oacs.security) {
# # ]
4084 : 720 : spdk_json_write_named_object_begin(w, "security");
4085 : :
4086 [ - + # # : 720 : spdk_json_write_named_bool(w, "opal", nvme_ns->bdev->opal);
# # # # #
# ]
4087 : :
4088 : 720 : spdk_json_write_object_end(w);
4089 : 0 : }
4090 : :
4091 : 1008 : spdk_json_write_object_end(w);
4092 : 2 : }
4093 : :
4094 : : static const char *
4095 : 1006 : nvme_bdev_get_mp_policy_str(struct nvme_bdev *nbdev)
4096 : : {
4097 [ + - + # : 1006 : switch (nbdev->mp_policy) {
# # # ]
4098 : 1004 : case BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE:
4099 : 1006 : return "active_passive";
4100 : 0 : case BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE:
4101 : 0 : return "active_active";
4102 : 0 : default:
4103 [ # # ]: 0 : assert(false);
4104 : : return "invalid";
4105 : : }
4106 : 2 : }
4107 : :
4108 : : static const char *
4109 : 0 : nvme_bdev_get_mp_selector_str(struct nvme_bdev *nbdev)
4110 : : {
4111 [ # # # # : 0 : switch (nbdev->mp_selector) {
# # # ]
4112 : 0 : case BDEV_NVME_MP_SELECTOR_ROUND_ROBIN:
4113 : 0 : return "round_robin";
4114 : 0 : case BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH:
4115 : 0 : return "queue_depth";
4116 : 0 : default:
4117 [ # # ]: 0 : assert(false);
4118 : : return "invalid";
4119 : : }
4120 : 0 : }
4121 : :
4122 : : static int
4123 : 1006 : bdev_nvme_dump_info_json(void *ctx, struct spdk_json_write_ctx *w)
4124 : : {
4125 : 1006 : struct nvme_bdev *nvme_bdev = ctx;
4126 : : struct nvme_ns *nvme_ns;
4127 : :
4128 [ - + # # ]: 1006 : pthread_mutex_lock(&nvme_bdev->mutex);
4129 : 1006 : spdk_json_write_named_array_begin(w, "nvme");
4130 [ + + # # : 2014 : TAILQ_FOREACH(nvme_ns, &nvme_bdev->nvme_ns_list, tailq) {
# # # # #
# # # #
# ]
4131 : 1008 : nvme_namespace_info_json(w, nvme_ns);
4132 : 2 : }
4133 : 1006 : spdk_json_write_array_end(w);
4134 : 1006 : spdk_json_write_named_string(w, "mp_policy", nvme_bdev_get_mp_policy_str(nvme_bdev));
4135 [ + + # # : 1006 : if (nvme_bdev->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE) {
# # ]
4136 : 0 : spdk_json_write_named_string(w, "selector", nvme_bdev_get_mp_selector_str(nvme_bdev));
4137 [ # # # # : 0 : if (nvme_bdev->mp_selector == BDEV_NVME_MP_SELECTOR_ROUND_ROBIN) {
# # ]
4138 [ # # # # ]: 0 : spdk_json_write_named_uint32(w, "rr_min_io", nvme_bdev->rr_min_io);
4139 : 0 : }
4140 : 0 : }
4141 [ - + # # ]: 1006 : pthread_mutex_unlock(&nvme_bdev->mutex);
4142 : :
4143 : 1006 : return 0;
4144 : : }
4145 : :
4146 : : static void
4147 : 133 : bdev_nvme_write_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)
4148 : : {
4149 : : /* No config per bdev needed */
4150 : 133 : }
4151 : :
4152 : : static uint64_t
4153 : 0 : bdev_nvme_get_spin_time(struct spdk_io_channel *ch)
4154 : : {
4155 : 0 : struct nvme_bdev_channel *nbdev_ch = spdk_io_channel_get_ctx(ch);
4156 : : struct nvme_io_path *io_path;
4157 : : struct nvme_poll_group *group;
4158 : 0 : uint64_t spin_time = 0;
4159 : :
4160 [ # # # # : 0 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
4161 [ # # # # : 0 : group = io_path->qpair->group;
# # # # ]
4162 : :
4163 [ # # # # : 0 : if (!group || !group->collect_spin_stat) {
# # # # #
# ]
4164 : 0 : continue;
4165 : : }
4166 : :
4167 [ # # # # : 0 : if (group->end_ticks != 0) {
# # ]
4168 [ # # # # : 0 : group->spin_ticks += (group->end_ticks - group->start_ticks);
# # # # #
# # # ]
4169 [ # # # # ]: 0 : group->end_ticks = 0;
4170 : 0 : }
4171 : :
4172 [ # # # # ]: 0 : spin_time += group->spin_ticks;
4173 [ # # # # ]: 0 : group->start_ticks = 0;
4174 [ # # # # ]: 0 : group->spin_ticks = 0;
4175 : 0 : }
4176 : :
4177 [ # # ]: 0 : return (spin_time * 1000000ULL) / spdk_get_ticks_hz();
4178 : : }
4179 : :
4180 : : static void
4181 : 0 : bdev_nvme_reset_device_stat(void *ctx)
4182 : : {
4183 : 0 : struct nvme_bdev *nbdev = ctx;
4184 : :
4185 [ # # # # : 0 : if (nbdev->err_stat != NULL) {
# # ]
4186 [ # # # # : 0 : memset(nbdev->err_stat, 0, sizeof(struct nvme_error_stat));
# # ]
4187 : 0 : }
4188 : 0 : }
4189 : :
4190 : : /* JSON string should be lowercases and underscore delimited string. */
4191 : : static void
4192 : 8 : bdev_nvme_format_nvme_status(char *dst, const char *src)
4193 : : {
4194 : 0 : char tmp[256];
4195 : :
4196 : 8 : spdk_strcpy_replace(dst, 256, src, " - ", "_");
4197 : 8 : spdk_strcpy_replace(tmp, 256, dst, "-", "_");
4198 : 8 : spdk_strcpy_replace(dst, 256, tmp, " ", "_");
4199 : 8 : spdk_strlwr(dst);
4200 : 8 : }
4201 : :
4202 : : static void
4203 : 6 : bdev_nvme_dump_device_stat_json(void *ctx, struct spdk_json_write_ctx *w)
4204 : : {
4205 : 6 : struct nvme_bdev *nbdev = ctx;
4206 : 6 : struct spdk_nvme_status status = {};
4207 : : uint16_t sct, sc;
4208 : 0 : char status_json[256];
4209 : : const char *status_str;
4210 : :
4211 [ + + # # : 6 : if (nbdev->err_stat == NULL) {
# # ]
4212 : 2 : return;
4213 : : }
4214 : :
4215 : 4 : spdk_json_write_named_object_begin(w, "nvme_error");
4216 : :
4217 : 4 : spdk_json_write_named_object_begin(w, "status_type");
4218 [ + + ]: 36 : for (sct = 0; sct < 8; sct++) {
4219 [ + + # # : 32 : if (nbdev->err_stat->status_type[sct] == 0) {
# # # # #
# # # #
# ]
4220 : 28 : continue;
4221 : : }
4222 : 4 : status.sct = sct;
4223 : :
4224 : 4 : status_str = spdk_nvme_cpl_get_status_type_string(&status);
4225 [ - + # # ]: 4 : assert(status_str != NULL);
4226 : 4 : bdev_nvme_format_nvme_status(status_json, status_str);
4227 : :
4228 [ # # # # : 4 : spdk_json_write_named_uint32(w, status_json, nbdev->err_stat->status_type[sct]);
# # # # #
# # # ]
4229 : 0 : }
4230 : 4 : spdk_json_write_object_end(w);
4231 : :
4232 : 4 : spdk_json_write_named_object_begin(w, "status_code");
4233 [ + + ]: 20 : for (sct = 0; sct < 4; sct++) {
4234 : 16 : status.sct = sct;
4235 [ + + ]: 4112 : for (sc = 0; sc < 256; sc++) {
4236 [ + + # # : 4096 : if (nbdev->err_stat->status[sct][sc] == 0) {
# # # # #
# # # # #
# # ]
4237 : 4092 : continue;
4238 : : }
4239 : 4 : status.sc = sc;
4240 : :
4241 : 4 : status_str = spdk_nvme_cpl_get_status_string(&status);
4242 [ - + # # ]: 4 : assert(status_str != NULL);
4243 : 4 : bdev_nvme_format_nvme_status(status_json, status_str);
4244 : :
4245 [ # # # # : 4 : spdk_json_write_named_uint32(w, status_json, nbdev->err_stat->status[sct][sc]);
# # # # #
# # # #
# ]
4246 : 0 : }
4247 : 0 : }
4248 : 4 : spdk_json_write_object_end(w);
4249 : :
4250 : 4 : spdk_json_write_object_end(w);
4251 : 0 : }
4252 : :
4253 : : static bool
4254 : 101409 : bdev_nvme_accel_sequence_supported(void *ctx, enum spdk_bdev_io_type type)
4255 : : {
4256 : 101409 : struct nvme_bdev *nbdev = ctx;
4257 : : struct nvme_ns *nvme_ns;
4258 : : struct spdk_nvme_ctrlr *ctrlr;
4259 : :
4260 [ + + + + ]: 101409 : if (!g_opts.allow_accel_sequence) {
4261 : 101325 : return false;
4262 : : }
4263 : :
4264 [ + + ]: 84 : switch (type) {
4265 : 8 : case SPDK_BDEV_IO_TYPE_WRITE:
4266 : : case SPDK_BDEV_IO_TYPE_READ:
4267 : 8 : break;
4268 : 76 : default:
4269 : 76 : return false;
4270 : : }
4271 : :
4272 [ # # # # : 8 : nvme_ns = TAILQ_FIRST(&nbdev->nvme_ns_list);
# # ]
4273 [ - + # # ]: 8 : assert(nvme_ns != NULL);
4274 : :
4275 [ # # # # : 8 : ctrlr = nvme_ns->ctrlr->ctrlr;
# # # # ]
4276 [ - + # # ]: 8 : assert(ctrlr != NULL);
4277 : :
4278 : 8 : return spdk_nvme_ctrlr_get_flags(ctrlr) & SPDK_NVME_CTRLR_ACCEL_SEQUENCE_SUPPORTED;
4279 : 1281 : }
4280 : :
4281 : : static const struct spdk_bdev_fn_table nvmelib_fn_table = {
4282 : : .destruct = bdev_nvme_destruct,
4283 : : .submit_request = bdev_nvme_submit_request,
4284 : : .io_type_supported = bdev_nvme_io_type_supported,
4285 : : .get_io_channel = bdev_nvme_get_io_channel,
4286 : : .dump_info_json = bdev_nvme_dump_info_json,
4287 : : .write_config_json = bdev_nvme_write_config_json,
4288 : : .get_spin_time = bdev_nvme_get_spin_time,
4289 : : .get_module_ctx = bdev_nvme_get_module_ctx,
4290 : : .get_memory_domains = bdev_nvme_get_memory_domains,
4291 : : .accel_sequence_supported = bdev_nvme_accel_sequence_supported,
4292 : : .reset_device_stat = bdev_nvme_reset_device_stat,
4293 : : .dump_device_stat_json = bdev_nvme_dump_device_stat_json,
4294 : : };
4295 : :
4296 : : typedef int (*bdev_nvme_parse_ana_log_page_cb)(
4297 : : const struct spdk_nvme_ana_group_descriptor *desc, void *cb_arg);
4298 : :
4299 : : static int
4300 : 281 : bdev_nvme_parse_ana_log_page(struct nvme_ctrlr *nvme_ctrlr,
4301 : : bdev_nvme_parse_ana_log_page_cb cb_fn, void *cb_arg)
4302 : : {
4303 : : struct spdk_nvme_ana_group_descriptor *copied_desc;
4304 : : uint8_t *orig_desc;
4305 : : uint32_t i, desc_size, copy_len;
4306 : 281 : int rc = 0;
4307 : :
4308 [ + + # # : 281 : if (nvme_ctrlr->ana_log_page == NULL) {
# # ]
4309 : 0 : return -EINVAL;
4310 : : }
4311 : :
4312 [ # # # # ]: 281 : copied_desc = nvme_ctrlr->copied_ana_desc;
4313 : :
4314 [ # # # # : 281 : orig_desc = (uint8_t *)nvme_ctrlr->ana_log_page + sizeof(struct spdk_nvme_ana_page);
# # ]
4315 [ # # # # ]: 281 : copy_len = nvme_ctrlr->max_ana_log_page_size - sizeof(struct spdk_nvme_ana_page);
4316 : :
4317 [ + + # # : 432 : for (i = 0; i < nvme_ctrlr->ana_log_page->num_ana_group_desc; i++) {
# # # # #
# ]
4318 [ - + - + ]: 381 : memcpy(copied_desc, orig_desc, copy_len);
4319 : :
4320 [ # # # # ]: 381 : rc = cb_fn(copied_desc, cb_arg);
4321 [ + + ]: 381 : if (rc != 0) {
4322 : 230 : break;
4323 : : }
4324 : :
4325 : 151 : desc_size = sizeof(struct spdk_nvme_ana_group_descriptor) +
4326 [ # # # # ]: 151 : copied_desc->num_of_nsid * sizeof(uint32_t);
4327 [ # # ]: 151 : orig_desc += desc_size;
4328 : 151 : copy_len -= desc_size;
4329 : 30 : }
4330 : :
4331 : 281 : return rc;
4332 : 42 : }
4333 : :
4334 : : static int
4335 : 21 : nvme_ns_ana_transition_timedout(void *ctx)
4336 : : {
4337 : 21 : struct nvme_ns *nvme_ns = ctx;
4338 : :
4339 [ # # ]: 21 : spdk_poller_unregister(&nvme_ns->anatt_timer);
4340 [ # # # # ]: 21 : nvme_ns->ana_transition_timedout = true;
4341 : :
4342 : 21 : return SPDK_POLLER_BUSY;
4343 : : }
4344 : :
4345 : : static void
4346 : 297 : _nvme_ns_set_ana_state(struct nvme_ns *nvme_ns,
4347 : : const struct spdk_nvme_ana_group_descriptor *desc)
4348 : : {
4349 : : const struct spdk_nvme_ctrlr_data *cdata;
4350 : :
4351 [ # # # # : 297 : nvme_ns->ana_group_id = desc->ana_group_id;
# # # # ]
4352 [ # # # # : 297 : nvme_ns->ana_state = desc->ana_state;
# # ]
4353 [ # # # # ]: 297 : nvme_ns->ana_state_updating = false;
4354 : :
4355 [ + + + # : 297 : switch (nvme_ns->ana_state) {
# # # ]
4356 : 220 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
4357 : : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
4358 [ # # # # ]: 259 : nvme_ns->ana_transition_timedout = false;
4359 [ # # ]: 259 : spdk_poller_unregister(&nvme_ns->anatt_timer);
4360 : 259 : break;
4361 : :
4362 : 28 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
4363 : : case SPDK_NVME_ANA_CHANGE_STATE:
4364 [ + + # # : 34 : if (nvme_ns->anatt_timer != NULL) {
# # ]
4365 : 8 : break;
4366 : : }
4367 : :
4368 [ # # # # : 26 : cdata = spdk_nvme_ctrlr_get_data(nvme_ns->ctrlr->ctrlr);
# # # # ]
4369 [ # # # # : 26 : nvme_ns->anatt_timer = SPDK_POLLER_REGISTER(nvme_ns_ana_transition_timedout,
# # # # ]
4370 : : nvme_ns,
4371 : : cdata->anatt * SPDK_SEC_TO_USEC);
4372 : 26 : break;
4373 : 3 : default:
4374 : 4 : break;
4375 : : }
4376 : 297 : }
4377 : :
4378 : : static int
4379 : 322 : nvme_ns_set_ana_state(const struct spdk_nvme_ana_group_descriptor *desc, void *cb_arg)
4380 : : {
4381 : 322 : struct nvme_ns *nvme_ns = cb_arg;
4382 : : uint32_t i;
4383 : :
4384 [ + + # # : 322 : assert(nvme_ns->ns != NULL);
# # # # ]
4385 : :
4386 [ + + # # : 410 : for (i = 0; i < desc->num_of_nsid; i++) {
# # ]
4387 [ + + # # : 318 : if (desc->nsid[i] != spdk_nvme_ns_get_id(nvme_ns->ns)) {
# # # # #
# # # ]
4388 : 88 : continue;
4389 : : }
4390 : :
4391 : 230 : _nvme_ns_set_ana_state(nvme_ns, desc);
4392 : 230 : return 1;
4393 : : }
4394 : :
4395 : 92 : return 0;
4396 : 60 : }
4397 : :
4398 : : static int
4399 : 20 : nvme_generate_uuid(const char *sn, uint32_t nsid, struct spdk_uuid *uuid)
4400 : : {
4401 : 20 : int rc = 0;
4402 : 15 : struct spdk_uuid new_uuid, namespace_uuid;
4403 : 20 : char merged_str[SPDK_NVME_CTRLR_SN_LEN + NSID_STR_LEN + 1] = {'\0'};
4404 : : /* This namespace UUID was generated using uuid_generate() method. */
4405 : 20 : const char *namespace_str = {"edaed2de-24bc-4b07-b559-f47ecbe730fd"};
4406 : : int size;
4407 : :
4408 [ + + - + : 20 : assert(strlen(sn) <= SPDK_NVME_CTRLR_SN_LEN);
# # ]
4409 : :
4410 : 20 : spdk_uuid_set_null(&new_uuid);
4411 : 20 : spdk_uuid_set_null(&namespace_uuid);
4412 : :
4413 : 20 : size = snprintf(merged_str, sizeof(merged_str), "%s%"PRIu32, sn, nsid);
4414 [ + - - + ]: 20 : if (size <= 0 || (unsigned long)size >= sizeof(merged_str)) {
4415 : 0 : return -EINVAL;
4416 : : }
4417 : :
4418 : 20 : spdk_uuid_parse(&namespace_uuid, namespace_str);
4419 : :
4420 : 20 : rc = spdk_uuid_generate_sha1(&new_uuid, &namespace_uuid, merged_str, size);
4421 [ + + ]: 20 : if (rc == 0) {
4422 [ # # # # ]: 20 : memcpy(uuid, &new_uuid, sizeof(struct spdk_uuid));
4423 : 5 : }
4424 : :
4425 : 20 : return rc;
4426 : 5 : }
4427 : :
4428 : : static int
4429 : 950 : nvme_disk_create(struct spdk_bdev *disk, const char *base_name,
4430 : : struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns *ns,
4431 : : struct spdk_bdev_nvme_ctrlr_opts *bdev_opts, void *ctx)
4432 : : {
4433 : : const struct spdk_uuid *uuid;
4434 : : const uint8_t *nguid;
4435 : : const struct spdk_nvme_ctrlr_data *cdata;
4436 : : const struct spdk_nvme_ns_data *nsdata;
4437 : : const struct spdk_nvme_ctrlr_opts *opts;
4438 : : enum spdk_nvme_csi csi;
4439 : : uint32_t atomic_bs, phys_bs, bs;
4440 : 950 : char sn_tmp[SPDK_NVME_CTRLR_SN_LEN + 1] = {'\0'};
4441 : : int rc;
4442 : :
4443 : 950 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
4444 : 950 : csi = spdk_nvme_ns_get_csi(ns);
4445 : 950 : opts = spdk_nvme_ctrlr_get_opts(ctrlr);
4446 : :
4447 [ + + - ]: 950 : switch (csi) {
4448 : 898 : case SPDK_NVME_CSI_NVM:
4449 [ + - + - ]: 948 : disk->product_name = "NVMe disk";
4450 : 948 : break;
4451 : 2 : case SPDK_NVME_CSI_ZNS:
4452 [ # # # # ]: 2 : disk->product_name = "NVMe ZNS disk";
4453 [ # # # # ]: 2 : disk->zoned = true;
4454 [ # # # # ]: 2 : disk->zone_size = spdk_nvme_zns_ns_get_zone_size_sectors(ns);
4455 [ # # # # : 2 : disk->max_zone_append_size = spdk_nvme_zns_ctrlr_get_max_zone_append_size(ctrlr) /
# # # # ]
4456 : 2 : spdk_nvme_ns_get_extended_sector_size(ns);
4457 [ # # # # ]: 2 : disk->max_open_zones = spdk_nvme_zns_ns_get_max_open_zones(ns);
4458 [ # # # # ]: 2 : disk->max_active_zones = spdk_nvme_zns_ns_get_max_active_zones(ns);
4459 : 2 : break;
4460 : 0 : default:
4461 [ # # # # : 0 : if (bdev_opts->allow_unrecognized_csi) {
# # # # ]
4462 [ # # # # ]: 0 : disk->product_name = "NVMe Passthrough disk";
4463 : 0 : break;
4464 : : }
4465 : 0 : SPDK_ERRLOG("unsupported CSI: %u\n", csi);
4466 : 0 : return -ENOTSUP;
4467 : : }
4468 : :
4469 : 950 : nguid = spdk_nvme_ns_get_nguid(ns);
4470 [ + + ]: 950 : if (!nguid) {
4471 : 798 : uuid = spdk_nvme_ns_get_uuid(ns);
4472 [ + + ]: 798 : if (uuid) {
4473 [ # # ]: 126 : disk->uuid = *uuid;
4474 [ + + + + ]: 684 : } else if (g_opts.generate_uuids) {
4475 [ # # ]: 0 : spdk_strcpy_pad(sn_tmp, cdata->sn, SPDK_NVME_CTRLR_SN_LEN, '\0');
4476 [ # # ]: 0 : rc = nvme_generate_uuid(sn_tmp, spdk_nvme_ns_get_id(ns), &disk->uuid);
4477 [ # # ]: 0 : if (rc < 0) {
4478 [ # # ]: 0 : SPDK_ERRLOG("UUID generation failed (%s)\n", spdk_strerror(-rc));
4479 : 0 : return rc;
4480 : : }
4481 : 0 : }
4482 : 50 : } else {
4483 [ # # # # : 152 : memcpy(&disk->uuid, nguid, sizeof(disk->uuid));
# # ]
4484 : : }
4485 : :
4486 [ + - + - ]: 950 : disk->name = spdk_sprintf_alloc("%sn%d", base_name, spdk_nvme_ns_get_id(ns));
4487 [ + + + - : 950 : if (!disk->name) {
- + ]
4488 : 0 : return -ENOMEM;
4489 : : }
4490 : :
4491 [ + - + - ]: 950 : disk->write_cache = 0;
4492 [ + + + - : 950 : if (cdata->vwc.present) {
+ - ]
4493 : : /* Enable if the Volatile Write Cache exists */
4494 [ # # # # ]: 718 : disk->write_cache = 1;
4495 : 10 : }
4496 [ + + + - : 950 : if (cdata->oncs.write_zeroes) {
+ - ]
4497 [ # # # # ]: 765 : disk->max_write_zeroes = UINT16_MAX + 1;
4498 : 10 : }
4499 [ + - + - ]: 950 : disk->blocklen = spdk_nvme_ns_get_extended_sector_size(ns);
4500 [ + - + - ]: 950 : disk->blockcnt = spdk_nvme_ns_get_num_sectors(ns);
4501 [ + - + - ]: 950 : disk->max_segment_size = spdk_nvme_ctrlr_get_max_xfer_size(ctrlr);
4502 [ + - + - : 950 : disk->ctratt.raw = cdata->ctratt.raw;
+ - + - +
- + - ]
4503 [ + - + - ]: 950 : disk->nsid = spdk_nvme_ns_get_id(ns);
4504 : : /* NVMe driver will split one request into multiple requests
4505 : : * based on MDTS and stripe boundary, the bdev layer will use
4506 : : * max_segment_size and max_num_segments to split one big IO
4507 : : * into multiple requests, then small request can't run out
4508 : : * of NVMe internal requests data structure.
4509 : : */
4510 [ + - + + : 950 : if (opts && opts->io_queue_requests) {
+ - - + ]
4511 [ + - + - : 794 : disk->max_num_segments = opts->io_queue_requests / 2;
+ - + - +
- ]
4512 : 11 : }
4513 [ + + ]: 950 : if (spdk_nvme_ctrlr_get_flags(ctrlr) & SPDK_NVME_CTRLR_SGL_SUPPORTED) {
4514 : : /* The nvme driver will try to split I/O that have too many
4515 : : * SGEs, but it doesn't work if that last SGE doesn't end on
4516 : : * an aggregate total that is block aligned. The bdev layer has
4517 : : * a more robust splitting framework, so use that instead for
4518 : : * this case. (See issue #3269.)
4519 : : */
4520 : 747 : uint16_t max_sges = spdk_nvme_ctrlr_get_max_sges(ctrlr);
4521 : :
4522 [ + + # # : 747 : if (disk->max_num_segments == 0) {
# # ]
4523 [ # # # # ]: 0 : disk->max_num_segments = max_sges;
4524 : 0 : } else {
4525 [ - + # # : 747 : disk->max_num_segments = spdk_min(disk->max_num_segments, max_sges);
# # # # #
# # # #
# ]
4526 : : }
4527 : 10 : }
4528 [ + - + - ]: 950 : disk->optimal_io_boundary = spdk_nvme_ns_get_optimal_io_boundary(ns);
4529 : :
4530 : 950 : nsdata = spdk_nvme_ns_get_data(ns);
4531 : 950 : bs = spdk_nvme_ns_get_sector_size(ns);
4532 : 950 : atomic_bs = bs;
4533 : 950 : phys_bs = bs;
4534 [ + + + - : 950 : if (nsdata->nabo == 0) {
- + ]
4535 [ + + + + : 950 : if (nsdata->nsfeat.ns_atomic_write_unit && nsdata->nawupf) {
- + # # #
# # # ]
4536 [ # # # # : 18 : atomic_bs = bs * (1 + nsdata->nawupf);
# # ]
4537 : 0 : } else {
4538 [ + - + - : 932 : atomic_bs = bs * (1 + cdata->awupf);
+ - ]
4539 : : }
4540 : 50 : }
4541 [ + + + - : 950 : if (nsdata->nsfeat.optperf) {
+ - ]
4542 [ # # # # : 736 : phys_bs = bs * (1 + nsdata->npwg);
# # ]
4543 : 10 : }
4544 [ - + + - : 950 : disk->phys_blocklen = spdk_min(phys_bs, atomic_bs);
+ - ]
4545 : :
4546 [ + - + - ]: 950 : disk->md_len = spdk_nvme_ns_get_md_size(ns);
4547 [ + + + - : 950 : if (disk->md_len != 0) {
- + ]
4548 [ # # # # : 47 : disk->md_interleave = nsdata->flbas.extended;
# # # # ]
4549 [ # # # # ]: 47 : disk->dif_type = (enum spdk_dif_type)spdk_nvme_ns_get_pi_type(ns);
4550 [ - + # # : 47 : if (disk->dif_type != SPDK_DIF_DISABLE) {
# # ]
4551 [ # # # # : 0 : disk->dif_is_head_of_md = nsdata->dps.md_start;
# # # # ]
4552 [ # # # # : 0 : disk->dif_check_flags = bdev_opts->prchk_flags;
# # # # ]
4553 [ # # # # ]: 0 : disk->dif_pi_format = (enum spdk_dif_pi_format)spdk_nvme_ns_get_pi_format(ns);
4554 : 0 : }
4555 : 0 : }
4556 : :
4557 [ + + ]: 950 : if (!(spdk_nvme_ctrlr_get_flags(ctrlr) &
4558 : : SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED)) {
4559 [ + - + - ]: 845 : disk->acwu = 0;
4560 [ + - # # : 155 : } else if (nsdata->nsfeat.ns_atomic_write_unit) {
# # ]
4561 [ # # # # : 105 : disk->acwu = nsdata->nacwu + 1; /* 0-based */
# # # # #
# ]
4562 : 0 : } else {
4563 [ # # # # : 0 : disk->acwu = cdata->acwu + 1; /* 0-based */
# # # # #
# ]
4564 : : }
4565 : :
4566 [ + + + - : 950 : if (cdata->oncs.copy) {
+ - ]
4567 : : /* For now bdev interface allows only single segment copy */
4568 [ # # # # : 640 : disk->max_copy = nsdata->mssrl;
# # # # ]
4569 : 10 : }
4570 : :
4571 [ + - + - ]: 950 : disk->ctxt = ctx;
4572 [ + - + - ]: 950 : disk->fn_table = &nvmelib_fn_table;
4573 [ + - + - ]: 950 : disk->module = &nvme_if;
4574 : :
4575 [ + - + - ]: 950 : disk->numa.id_valid = 1;
4576 [ + - + - ]: 950 : disk->numa.id = spdk_nvme_ctrlr_get_numa_id(ctrlr);
4577 : :
4578 : 950 : return 0;
4579 : 50 : }
4580 : :
4581 : : static struct nvme_bdev *
4582 : 950 : nvme_bdev_alloc(void)
4583 : : {
4584 : : struct nvme_bdev *bdev;
4585 : : int rc;
4586 : :
4587 : 950 : bdev = calloc(1, sizeof(*bdev));
4588 [ + + ]: 950 : if (!bdev) {
4589 : 0 : SPDK_ERRLOG("bdev calloc() failed\n");
4590 : 0 : return NULL;
4591 : : }
4592 : :
4593 [ + + + + ]: 950 : if (g_opts.nvme_error_stat) {
4594 [ # # # # ]: 4 : bdev->err_stat = calloc(1, sizeof(struct nvme_error_stat));
4595 [ - + # # : 4 : if (!bdev->err_stat) {
# # ]
4596 : 0 : SPDK_ERRLOG("err_stat calloc() failed\n");
4597 : 0 : free(bdev);
4598 : 0 : return NULL;
4599 : : }
4600 : 0 : }
4601 : :
4602 [ + + + - ]: 950 : rc = pthread_mutex_init(&bdev->mutex, NULL);
4603 [ - + ]: 950 : if (rc != 0) {
4604 [ # # # # ]: 0 : free(bdev->err_stat);
4605 : 0 : free(bdev);
4606 : 0 : return NULL;
4607 : : }
4608 : :
4609 [ - + - + ]: 950 : bdev->ref = 1;
4610 [ - + - + ]: 950 : bdev->mp_policy = BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE;
4611 [ - + - + ]: 950 : bdev->mp_selector = BDEV_NVME_MP_SELECTOR_ROUND_ROBIN;
4612 [ - + - + ]: 950 : bdev->rr_min_io = UINT32_MAX;
4613 [ - + - + : 950 : TAILQ_INIT(&bdev->nvme_ns_list);
- + - + -
+ - + - +
- + ]
4614 : :
4615 : 950 : return bdev;
4616 : 50 : }
4617 : :
4618 : : static int
4619 : 950 : nvme_bdev_create(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *nvme_ns)
4620 : : {
4621 : : struct nvme_bdev *bdev;
4622 [ + - + - ]: 950 : struct nvme_bdev_ctrlr *nbdev_ctrlr = nvme_ctrlr->nbdev_ctrlr;
4623 : : int rc;
4624 : :
4625 : 950 : bdev = nvme_bdev_alloc();
4626 [ + + ]: 950 : if (bdev == NULL) {
4627 : 0 : SPDK_ERRLOG("Failed to allocate NVMe bdev\n");
4628 : 0 : return -ENOMEM;
4629 : : }
4630 : :
4631 [ + - + - : 950 : bdev->opal = nvme_ctrlr->opal_dev != NULL;
+ - + - ]
4632 : :
4633 [ + - + - : 1000 : rc = nvme_disk_create(&bdev->disk, nbdev_ctrlr->name, nvme_ctrlr->ctrlr,
+ - + - +
- ]
4634 [ + - + - : 50 : nvme_ns->ns, &nvme_ctrlr->opts, bdev);
+ - ]
4635 [ - + ]: 950 : if (rc != 0) {
4636 : 0 : SPDK_ERRLOG("Failed to create NVMe disk\n");
4637 : 0 : nvme_bdev_free(bdev);
4638 : 0 : return rc;
4639 : : }
4640 : :
4641 : 1000 : spdk_io_device_register(bdev,
4642 : : bdev_nvme_create_bdev_channel_cb,
4643 : : bdev_nvme_destroy_bdev_channel_cb,
4644 : : sizeof(struct nvme_bdev_channel),
4645 [ + - + - : 950 : bdev->disk.name);
+ - ]
4646 : :
4647 [ + - + - ]: 950 : nvme_ns->bdev = bdev;
4648 [ + - + - : 950 : bdev->nsid = nvme_ns->id;
+ - + - ]
4649 [ + - + - : 950 : TAILQ_INSERT_TAIL(&bdev->nvme_ns_list, nvme_ns, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
4650 : :
4651 [ + - + - ]: 950 : bdev->nbdev_ctrlr = nbdev_ctrlr;
4652 [ + - + - : 950 : TAILQ_INSERT_TAIL(&nbdev_ctrlr->bdevs, bdev, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
4653 : :
4654 [ + - ]: 950 : rc = spdk_bdev_register(&bdev->disk);
4655 [ + + ]: 950 : if (rc != 0) {
4656 : 4 : SPDK_ERRLOG("spdk_bdev_register() failed\n");
4657 : 4 : spdk_io_device_unregister(bdev, NULL);
4658 [ # # # # ]: 4 : nvme_ns->bdev = NULL;
4659 [ + + # # : 4 : TAILQ_REMOVE(&nbdev_ctrlr->bdevs, bdev, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4660 : 4 : nvme_bdev_free(bdev);
4661 : 4 : return rc;
4662 : : }
4663 : :
4664 : 946 : return 0;
4665 : 50 : }
4666 : :
4667 : : static bool
4668 : 100 : bdev_nvme_compare_ns(struct spdk_nvme_ns *ns1, struct spdk_nvme_ns *ns2)
4669 : : {
4670 : : const struct spdk_nvme_ns_data *nsdata1, *nsdata2;
4671 : : const struct spdk_uuid *uuid1, *uuid2;
4672 : :
4673 : 100 : nsdata1 = spdk_nvme_ns_get_data(ns1);
4674 : 100 : nsdata2 = spdk_nvme_ns_get_data(ns2);
4675 : 100 : uuid1 = spdk_nvme_ns_get_uuid(ns1);
4676 : 100 : uuid2 = spdk_nvme_ns_get_uuid(ns2);
4677 : :
4678 [ + + - + : 170 : return memcmp(nsdata1->nguid, nsdata2->nguid, sizeof(nsdata1->nguid)) == 0 &&
# # # # #
# ]
4679 [ + + + + : 96 : nsdata1->eui64 == nsdata2->eui64 &&
# # # # #
# ]
4680 [ + + + + ]: 92 : ((uuid1 == NULL && uuid2 == NULL) ||
4681 [ + + + - : 230 : (uuid1 != NULL && uuid2 != NULL && spdk_uuid_compare(uuid1, uuid2) == 0)) &&
+ + + + ]
4682 : 80 : spdk_nvme_ns_get_csi(ns1) == spdk_nvme_ns_get_csi(ns2);
4683 : : }
4684 : :
4685 : : static bool
4686 : 56 : hotplug_probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
4687 : : struct spdk_nvme_ctrlr_opts *opts)
4688 : : {
4689 : : struct nvme_probe_skip_entry *entry;
4690 : :
4691 [ - + # # : 56 : TAILQ_FOREACH(entry, &g_skipped_nvme_ctrlrs, tailq) {
# # # # ]
4692 [ # # # # ]: 0 : if (spdk_nvme_transport_id_compare(trid, &entry->trid) == 0) {
4693 : 0 : return false;
4694 : : }
4695 : 0 : }
4696 : :
4697 [ # # # # : 56 : opts->arbitration_burst = (uint8_t)g_opts.arbitration_burst;
# # ]
4698 [ # # # # : 56 : opts->low_priority_weight = (uint8_t)g_opts.low_priority_weight;
# # ]
4699 [ # # # # : 56 : opts->medium_priority_weight = (uint8_t)g_opts.medium_priority_weight;
# # ]
4700 [ # # # # : 56 : opts->high_priority_weight = (uint8_t)g_opts.high_priority_weight;
# # ]
4701 [ # # # # ]: 56 : opts->disable_read_ana_log_page = true;
4702 : :
4703 [ - + - + : 56 : SPDK_DEBUGLOG(bdev_nvme, "Attaching to %s\n", trid->traddr);
# # # # ]
4704 : :
4705 : 56 : return true;
4706 : 0 : }
4707 : :
4708 : : static void
4709 : 0 : nvme_abort_cpl(void *ctx, const struct spdk_nvme_cpl *cpl)
4710 : : {
4711 : 0 : struct nvme_ctrlr *nvme_ctrlr = ctx;
4712 : :
4713 [ # # # # : 0 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
4714 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "Abort failed. Resetting controller. sc is %u, sct is %u.\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # #
# ]
4715 : : cpl->status.sc, cpl->status.sct);
4716 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4717 [ # # # # : 0 : } else if (cpl->cdw0 & 0x1) {
# # ]
4718 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "Specified command could not be aborted.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4719 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4720 : 0 : }
4721 : 0 : }
4722 : :
4723 : : static void
4724 : 0 : timeout_cb(void *cb_arg, struct spdk_nvme_ctrlr *ctrlr,
4725 : : struct spdk_nvme_qpair *qpair, uint16_t cid)
4726 : : {
4727 : 0 : struct nvme_ctrlr *nvme_ctrlr = cb_arg;
4728 : : union spdk_nvme_csts_register csts;
4729 : : int rc;
4730 : :
4731 [ # # # # : 0 : assert(nvme_ctrlr->ctrlr == ctrlr);
# # # # ]
4732 : :
4733 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "Warning: Detected a timeout. ctrlr=%p qpair=%p cid=%u\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4734 : : ctrlr, qpair, cid);
4735 : :
4736 : : /* Only try to read CSTS if it's a PCIe controller or we have a timeout on an I/O
4737 : : * queue. (Note: qpair == NULL when there's an admin cmd timeout.) Otherwise we
4738 : : * would submit another fabrics cmd on the admin queue to read CSTS and check for its
4739 : : * completion recursively.
4740 : : */
4741 [ # # # # : 0 : if (nvme_ctrlr->active_path_id->trid.trtype == SPDK_NVME_TRANSPORT_PCIE || qpair != NULL) {
# # # # #
# # # #
# ]
4742 : 0 : csts = spdk_nvme_ctrlr_get_regs_csts(ctrlr);
4743 [ # # ]: 0 : if (csts.bits.cfs) {
4744 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Controller Fatal Status, reset required\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4745 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4746 : 0 : return;
4747 : : }
4748 : 0 : }
4749 : :
4750 [ # # # # ]: 0 : switch (g_opts.action_on_timeout) {
4751 : 0 : case SPDK_BDEV_NVME_TIMEOUT_ACTION_ABORT:
4752 [ # # ]: 0 : if (qpair) {
4753 : : /* Don't send abort to ctrlr when ctrlr is not available. */
4754 [ # # # # ]: 0 : pthread_mutex_lock(&nvme_ctrlr->mutex);
4755 [ # # ]: 0 : if (!nvme_ctrlr_is_available(nvme_ctrlr)) {
4756 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4757 [ # # # # : 0 : NVME_CTRLR_NOTICELOG(nvme_ctrlr, "Quit abort. Ctrlr is not available.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4758 : 0 : return;
4759 : : }
4760 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4761 : :
4762 : 0 : rc = spdk_nvme_ctrlr_cmd_abort(ctrlr, qpair, cid,
4763 : 0 : nvme_abort_cpl, nvme_ctrlr);
4764 [ # # ]: 0 : if (rc == 0) {
4765 : 0 : return;
4766 : : }
4767 : :
4768 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Unable to send abort. Resetting, rc is %d.\n", rc);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4769 : 0 : }
4770 : :
4771 : : /* FALLTHROUGH */
4772 : : case SPDK_BDEV_NVME_TIMEOUT_ACTION_RESET:
4773 : 0 : bdev_nvme_reset_ctrlr(nvme_ctrlr);
4774 : 0 : break;
4775 : 0 : case SPDK_BDEV_NVME_TIMEOUT_ACTION_NONE:
4776 [ # # # # : 0 : NVME_CTRLR_DEBUGLOG(nvme_ctrlr, "No action for nvme controller timeout.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
4777 : 0 : break;
4778 : 0 : default:
4779 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "An invalid timeout action value is found.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4780 : 0 : break;
4781 : : }
4782 : 0 : }
4783 : :
4784 : : static struct nvme_ns *
4785 : 1006 : nvme_ns_alloc(void)
4786 : : {
4787 : : struct nvme_ns *nvme_ns;
4788 : :
4789 : 1006 : nvme_ns = calloc(1, sizeof(struct nvme_ns));
4790 [ + + ]: 1006 : if (nvme_ns == NULL) {
4791 : 0 : return NULL;
4792 : : }
4793 : :
4794 [ + + + + : 1006 : if (g_opts.io_path_stat) {
+ - ]
4795 [ # # # # ]: 0 : nvme_ns->stat = calloc(1, sizeof(struct spdk_bdev_io_stat));
4796 [ # # # # : 0 : if (nvme_ns->stat == NULL) {
# # ]
4797 : 0 : free(nvme_ns);
4798 : 0 : return NULL;
4799 : : }
4800 [ # # # # ]: 0 : spdk_bdev_reset_io_stat(nvme_ns->stat, SPDK_BDEV_RESET_STAT_MAXMIN);
4801 : 0 : }
4802 : :
4803 : 1006 : return nvme_ns;
4804 : 63 : }
4805 : :
4806 : : static void
4807 : 1006 : nvme_ns_free(struct nvme_ns *nvme_ns)
4808 : : {
4809 [ + - + - ]: 1006 : free(nvme_ns->stat);
4810 : 1006 : free(nvme_ns);
4811 : 1006 : }
4812 : :
4813 : : static void
4814 : 1006 : nvme_ctrlr_populate_namespace_done(struct nvme_ns *nvme_ns, int rc)
4815 : : {
4816 [ + - + - ]: 1006 : struct nvme_ctrlr *nvme_ctrlr = nvme_ns->ctrlr;
4817 [ + - + - ]: 1006 : struct nvme_async_probe_ctx *ctx = nvme_ns->probe_ctx;
4818 : :
4819 [ + + ]: 1006 : if (rc == 0) {
4820 [ - + - + ]: 998 : nvme_ns->probe_ctx = NULL;
4821 : 998 : nvme_ctrlr_get_ref(nvme_ctrlr);
4822 : 61 : } else {
4823 [ # # ]: 8 : RB_REMOVE(nvme_ns_tree, &nvme_ctrlr->namespaces, nvme_ns);
4824 : 8 : nvme_ns_free(nvme_ns);
4825 : : }
4826 : :
4827 [ + + ]: 1006 : if (ctx) {
4828 [ + - ]: 945 : ctx->populates_in_progress--;
4829 [ + + + - : 945 : if (ctx->populates_in_progress == 0) {
+ - ]
4830 : 51 : nvme_ctrlr_populate_namespaces_done(nvme_ctrlr, ctx);
4831 : 12 : }
4832 : 62 : }
4833 : 1006 : }
4834 : :
4835 : : static void
4836 : 8 : bdev_nvme_add_io_path(struct nvme_bdev_channel_iter *i,
4837 : : struct nvme_bdev *nbdev,
4838 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
4839 : : {
4840 : 8 : struct nvme_ns *nvme_ns = ctx;
4841 : : int rc;
4842 : :
4843 : 8 : rc = _bdev_nvme_add_io_path(nbdev_ch, nvme_ns);
4844 [ - + ]: 8 : if (rc != 0) {
4845 : 0 : SPDK_ERRLOG("Failed to add I/O path to bdev_channel dynamically.\n");
4846 : 0 : }
4847 : :
4848 : 8 : nvme_bdev_for_each_channel_continue(i, rc);
4849 : 8 : }
4850 : :
4851 : : static void
4852 : 8 : bdev_nvme_delete_io_path(struct nvme_bdev_channel_iter *i,
4853 : : struct nvme_bdev *nbdev,
4854 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
4855 : : {
4856 : 8 : struct nvme_ns *nvme_ns = ctx;
4857 : : struct nvme_io_path *io_path;
4858 : :
4859 : 8 : io_path = _bdev_nvme_get_io_path(nbdev_ch, nvme_ns);
4860 [ + - ]: 8 : if (io_path != NULL) {
4861 : 8 : _bdev_nvme_delete_io_path(nbdev_ch, io_path);
4862 : 2 : }
4863 : :
4864 : 8 : nvme_bdev_for_each_channel_continue(i, 0);
4865 : 8 : }
4866 : :
4867 : : static void
4868 : 0 : bdev_nvme_add_io_path_failed(struct nvme_bdev *nbdev, void *ctx, int status)
4869 : : {
4870 : 0 : struct nvme_ns *nvme_ns = ctx;
4871 : :
4872 : 0 : nvme_ctrlr_populate_namespace_done(nvme_ns, -1);
4873 : 0 : }
4874 : :
4875 : : static void
4876 : 52 : bdev_nvme_add_io_path_done(struct nvme_bdev *nbdev, void *ctx, int status)
4877 : : {
4878 : 52 : struct nvme_ns *nvme_ns = ctx;
4879 : :
4880 [ + - ]: 52 : if (status == 0) {
4881 : 52 : nvme_ctrlr_populate_namespace_done(nvme_ns, 0);
4882 : 12 : } else {
4883 : : /* Delete the added io_paths and fail populating the namespace. */
4884 : 0 : nvme_bdev_for_each_channel(nbdev,
4885 : : bdev_nvme_delete_io_path,
4886 : 0 : nvme_ns,
4887 : : bdev_nvme_add_io_path_failed);
4888 : : }
4889 : 52 : }
4890 : :
4891 : : static int
4892 : 56 : nvme_bdev_add_ns(struct nvme_bdev *bdev, struct nvme_ns *nvme_ns)
4893 : : {
4894 : : struct nvme_ns *tmp_ns;
4895 : : const struct spdk_nvme_ns_data *nsdata;
4896 : :
4897 [ # # # # ]: 56 : nsdata = spdk_nvme_ns_get_data(nvme_ns->ns);
4898 [ - + # # : 56 : if (!nsdata->nmic.can_share) {
# # ]
4899 : 0 : SPDK_ERRLOG("Namespace cannot be shared.\n");
4900 : 0 : return -EINVAL;
4901 : : }
4902 : :
4903 [ - + # # ]: 56 : pthread_mutex_lock(&bdev->mutex);
4904 : :
4905 [ # # # # : 56 : tmp_ns = TAILQ_FIRST(&bdev->nvme_ns_list);
# # ]
4906 [ - + # # ]: 56 : assert(tmp_ns != NULL);
4907 : :
4908 [ + - + + : 56 : if (tmp_ns->ns != NULL && !bdev_nvme_compare_ns(nvme_ns->ns, tmp_ns->ns)) {
# # # # #
# # # # #
# # ]
4909 [ - + # # ]: 4 : pthread_mutex_unlock(&bdev->mutex);
4910 : 4 : SPDK_ERRLOG("Namespaces are not identical.\n");
4911 : 4 : return -EINVAL;
4912 : : }
4913 : :
4914 [ # # # # ]: 52 : bdev->ref++;
4915 [ # # # # : 52 : TAILQ_INSERT_TAIL(&bdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
4916 [ # # # # ]: 52 : nvme_ns->bdev = bdev;
4917 : :
4918 [ - + # # ]: 52 : pthread_mutex_unlock(&bdev->mutex);
4919 : :
4920 : : /* Add nvme_io_path to nvme_bdev_channels dynamically. */
4921 : 64 : nvme_bdev_for_each_channel(bdev,
4922 : : bdev_nvme_add_io_path,
4923 : 12 : nvme_ns,
4924 : : bdev_nvme_add_io_path_done);
4925 : :
4926 : 52 : return 0;
4927 : 13 : }
4928 : :
4929 : : static void
4930 : 1006 : nvme_ctrlr_populate_namespace(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *nvme_ns)
4931 : : {
4932 : : struct spdk_nvme_ns *ns;
4933 : : struct nvme_bdev *bdev;
4934 : 1006 : int rc = 0;
4935 : :
4936 [ + - + - : 1006 : ns = spdk_nvme_ctrlr_get_ns(nvme_ctrlr->ctrlr, nvme_ns->id);
+ - + - ]
4937 [ - + ]: 1006 : if (!ns) {
4938 [ # # # # : 0 : NVME_CTRLR_DEBUGLOG(nvme_ctrlr, "Invalid NS %d\n", nvme_ns->id);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
4939 : 0 : rc = -EINVAL;
4940 : 0 : goto done;
4941 : : }
4942 : :
4943 [ + - + - ]: 1006 : nvme_ns->ns = ns;
4944 [ + - + - ]: 1006 : nvme_ns->ana_state = SPDK_NVME_ANA_OPTIMIZED_STATE;
4945 : :
4946 [ + + + - : 1006 : if (nvme_ctrlr->ana_log_page != NULL) {
+ - ]
4947 : 234 : bdev_nvme_parse_ana_log_page(nvme_ctrlr, nvme_ns_set_ana_state, nvme_ns);
4948 : 38 : }
4949 : :
4950 [ + - + - : 1006 : bdev = nvme_bdev_ctrlr_get_bdev(nvme_ctrlr->nbdev_ctrlr, nvme_ns->id);
+ - + - ]
4951 [ + + ]: 1057 : if (bdev == NULL) {
4952 : 950 : rc = nvme_bdev_create(nvme_ctrlr, nvme_ns);
4953 : 50 : } else {
4954 : 56 : rc = nvme_bdev_add_ns(bdev, nvme_ns);
4955 [ + + ]: 56 : if (rc == 0) {
4956 : 52 : return;
4957 : : }
4958 : : }
4959 : 3 : done:
4960 : 954 : nvme_ctrlr_populate_namespace_done(nvme_ns, rc);
4961 : 63 : }
4962 : :
4963 : : static void
4964 : 998 : nvme_ctrlr_depopulate_namespace_done(struct nvme_ns *nvme_ns)
4965 : : {
4966 [ + - + - ]: 998 : struct nvme_ctrlr *nvme_ctrlr = nvme_ns->ctrlr;
4967 : :
4968 [ + + # # ]: 998 : assert(nvme_ctrlr != NULL);
4969 : :
4970 [ + + + - ]: 998 : pthread_mutex_lock(&nvme_ctrlr->mutex);
4971 : :
4972 [ + - ]: 998 : RB_REMOVE(nvme_ns_tree, &nvme_ctrlr->namespaces, nvme_ns);
4973 : :
4974 [ + + + - : 998 : if (nvme_ns->bdev != NULL) {
- + ]
4975 [ - + # # ]: 214 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4976 : 214 : return;
4977 : : }
4978 : :
4979 : 784 : nvme_ns_free(nvme_ns);
4980 [ + + + - ]: 784 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
4981 : :
4982 : 784 : nvme_ctrlr_put_ref(nvme_ctrlr);
4983 : 61 : }
4984 : :
4985 : : static void
4986 : 46 : bdev_nvme_delete_io_path_done(struct nvme_bdev *nbdev, void *ctx, int status)
4987 : : {
4988 : 46 : struct nvme_ns *nvme_ns = ctx;
4989 : :
4990 : 46 : nvme_ctrlr_depopulate_namespace_done(nvme_ns);
4991 : 46 : }
4992 : :
4993 : : static void
4994 : 998 : nvme_ctrlr_depopulate_namespace(struct nvme_ctrlr *nvme_ctrlr, struct nvme_ns *nvme_ns)
4995 : : {
4996 : : struct nvme_bdev *bdev;
4997 : :
4998 [ + - ]: 998 : spdk_poller_unregister(&nvme_ns->anatt_timer);
4999 : :
5000 [ + - + - ]: 998 : bdev = nvme_ns->bdev;
5001 [ + + ]: 998 : if (bdev != NULL) {
5002 [ - + # # ]: 400 : pthread_mutex_lock(&bdev->mutex);
5003 : :
5004 [ + + # # : 400 : assert(bdev->ref > 0);
# # # # ]
5005 [ # # # # ]: 400 : bdev->ref--;
5006 [ + + # # : 400 : if (bdev->ref == 0) {
# # ]
5007 [ - + # # ]: 354 : pthread_mutex_unlock(&bdev->mutex);
5008 : :
5009 [ # # ]: 354 : spdk_bdev_unregister(&bdev->disk, NULL, NULL);
5010 : 38 : } else {
5011 : : /* spdk_bdev_unregister() is not called until the last nvme_ns is
5012 : : * depopulated. Hence we need to remove nvme_ns from bdev->nvme_ns_list
5013 : : * and clear nvme_ns->bdev here.
5014 : : */
5015 [ + + # # : 46 : TAILQ_REMOVE(&bdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5016 [ # # # # ]: 46 : nvme_ns->bdev = NULL;
5017 : :
5018 [ - + # # ]: 46 : pthread_mutex_unlock(&bdev->mutex);
5019 : :
5020 : : /* Delete nvme_io_paths from nvme_bdev_channels dynamically. After that,
5021 : : * we call depopulate_namespace_done() to avoid use-after-free.
5022 : : */
5023 : 57 : nvme_bdev_for_each_channel(bdev,
5024 : : bdev_nvme_delete_io_path,
5025 : 11 : nvme_ns,
5026 : : bdev_nvme_delete_io_path_done);
5027 : 46 : return;
5028 : : }
5029 : 38 : }
5030 : :
5031 : 952 : nvme_ctrlr_depopulate_namespace_done(nvme_ns);
5032 : 61 : }
5033 : :
5034 : : static void
5035 : 1033 : nvme_ctrlr_populate_namespaces(struct nvme_ctrlr *nvme_ctrlr,
5036 : : struct nvme_async_probe_ctx *ctx)
5037 : : {
5038 [ + - + - ]: 1033 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5039 : : struct nvme_ns *nvme_ns, *next;
5040 : : struct spdk_nvme_ns *ns;
5041 : : struct nvme_bdev *bdev;
5042 : : uint32_t nsid;
5043 : : int rc;
5044 : : uint64_t num_sectors;
5045 : :
5046 [ + + ]: 1033 : if (ctx) {
5047 : : /* Initialize this count to 1 to handle the populate functions
5048 : : * calling nvme_ctrlr_populate_namespace_done() immediately.
5049 : : */
5050 [ + - + - ]: 909 : ctx->populates_in_progress = 1;
5051 : 58 : }
5052 : :
5053 : : /* First loop over our existing namespaces and see if they have been
5054 : : * removed. */
5055 : 1033 : nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
5056 [ + + ]: 1054 : while (nvme_ns != NULL) {
5057 : 21 : next = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns);
5058 : :
5059 [ + + # # : 21 : if (spdk_nvme_ctrlr_is_active_ns(ctrlr, nvme_ns->id)) {
# # ]
5060 : : /* NS is still there or added again. Its attributes may have changed. */
5061 [ # # # # ]: 14 : ns = spdk_nvme_ctrlr_get_ns(ctrlr, nvme_ns->id);
5062 [ + + # # : 14 : if (nvme_ns->ns != ns) {
# # ]
5063 [ + + # # : 4 : assert(nvme_ns->ns == NULL);
# # # # ]
5064 [ # # # # ]: 4 : nvme_ns->ns = ns;
5065 [ + + - + : 4 : NVME_CTRLR_DEBUGLOG(nvme_ctrlr, "NSID %u was added\n", nvme_ns->id);
- - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5066 : 1 : }
5067 : :
5068 : 14 : num_sectors = spdk_nvme_ns_get_num_sectors(ns);
5069 [ # # # # ]: 14 : bdev = nvme_ns->bdev;
5070 [ + + # # ]: 14 : assert(bdev != NULL);
5071 [ + + # # : 14 : if (bdev->disk.blockcnt != num_sectors) {
# # # # ]
5072 [ + - # # : 4 : NVME_CTRLR_NOTICELOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
5073 : : "NSID %u is resized: bdev name %s, old size %" PRIu64 ", new size %" PRIu64 "\n",
5074 : : nvme_ns->id,
5075 : : bdev->disk.name,
5076 : : bdev->disk.blockcnt,
5077 : : num_sectors);
5078 [ # # ]: 4 : rc = spdk_bdev_notify_blockcnt_change(&bdev->disk, num_sectors);
5079 [ + + ]: 4 : if (rc != 0) {
5080 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
5081 : : "Could not change num blocks for nvme bdev: name %s, errno: %d.\n",
5082 : : bdev->disk.name, rc);
5083 : 0 : }
5084 : 1 : }
5085 : 3 : } else {
5086 : : /* Namespace was removed */
5087 : 7 : nvme_ctrlr_depopulate_namespace(nvme_ctrlr, nvme_ns);
5088 : : }
5089 : :
5090 : 21 : nvme_ns = next;
5091 : : }
5092 : :
5093 : : /* Loop through all of the namespaces at the nvme level and see if any of them are new */
5094 : 1033 : nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr);
5095 [ + + ]: 2053 : while (nsid != 0) {
5096 : 1020 : nvme_ns = nvme_ctrlr_get_ns(nvme_ctrlr, nsid);
5097 : :
5098 [ + + ]: 1020 : if (nvme_ns == NULL) {
5099 : : /* Found a new one */
5100 : 1006 : nvme_ns = nvme_ns_alloc();
5101 [ + + ]: 1006 : if (nvme_ns == NULL) {
5102 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate namespace\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5103 : : /* This just fails to attach the namespace. It may work on a future attempt. */
5104 : 0 : continue;
5105 : : }
5106 : :
5107 [ + - + - ]: 1006 : nvme_ns->id = nsid;
5108 [ + - + - ]: 1006 : nvme_ns->ctrlr = nvme_ctrlr;
5109 : :
5110 [ + - + - ]: 1006 : nvme_ns->bdev = NULL;
5111 : :
5112 [ + + ]: 1006 : if (ctx) {
5113 [ + - ]: 945 : ctx->populates_in_progress++;
5114 : 62 : }
5115 [ + - + - ]: 1006 : nvme_ns->probe_ctx = ctx;
5116 : :
5117 [ + - ]: 1006 : RB_INSERT(nvme_ns_tree, &nvme_ctrlr->namespaces, nvme_ns);
5118 : :
5119 : 1006 : nvme_ctrlr_populate_namespace(nvme_ctrlr, nvme_ns);
5120 : 63 : }
5121 : :
5122 : 1020 : nsid = spdk_nvme_ctrlr_get_next_active_ns(ctrlr, nsid);
5123 : : }
5124 : :
5125 [ + + ]: 1033 : if (ctx) {
5126 : : /* Decrement this count now that the loop is over to account
5127 : : * for the one we started with. If the count is then 0, we
5128 : : * know any populate_namespace functions completed immediately,
5129 : : * so we'll kick the callback here.
5130 : : */
5131 [ + - ]: 909 : ctx->populates_in_progress--;
5132 [ + + + - : 909 : if (ctx->populates_in_progress == 0) {
- + ]
5133 : 858 : nvme_ctrlr_populate_namespaces_done(nvme_ctrlr, ctx);
5134 : 46 : }
5135 : 58 : }
5136 : :
5137 : 1033 : }
5138 : :
5139 : : static void
5140 : 1025 : nvme_ctrlr_depopulate_namespaces(struct nvme_ctrlr *nvme_ctrlr)
5141 : : {
5142 : : struct nvme_ns *nvme_ns, *tmp;
5143 : :
5144 [ + + + + : 2016 : RB_FOREACH_SAFE(nvme_ns, nvme_ns_tree, &nvme_ctrlr->namespaces, tmp) {
+ + ]
5145 : 991 : nvme_ctrlr_depopulate_namespace(nvme_ctrlr, nvme_ns);
5146 : 60 : }
5147 : 1025 : }
5148 : :
5149 : : static uint32_t
5150 : 1248 : nvme_ctrlr_get_ana_log_page_size(struct nvme_ctrlr *nvme_ctrlr)
5151 : : {
5152 [ # # # # ]: 1248 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5153 : : const struct spdk_nvme_ctrlr_data *cdata;
5154 : 1248 : uint32_t nsid, ns_count = 0;
5155 : :
5156 : 1248 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5157 : :
5158 [ + + ]: 1293 : for (nsid = spdk_nvme_ctrlr_get_first_active_ns(ctrlr);
5159 [ + + ]: 2528 : nsid != 0; nsid = spdk_nvme_ctrlr_get_next_active_ns(ctrlr, nsid)) {
5160 : 1280 : ns_count++;
5161 : 45 : }
5162 : :
5163 [ # # # # ]: 1285 : return sizeof(struct spdk_nvme_ana_page) + cdata->nanagrpid *
5164 : 1248 : sizeof(struct spdk_nvme_ana_group_descriptor) + ns_count *
5165 : : sizeof(uint32_t);
5166 : : }
5167 : :
5168 : : static int
5169 : 59 : nvme_ctrlr_set_ana_states(const struct spdk_nvme_ana_group_descriptor *desc,
5170 : : void *cb_arg)
5171 : : {
5172 : 59 : struct nvme_ctrlr *nvme_ctrlr = cb_arg;
5173 : : struct nvme_ns *nvme_ns;
5174 : : uint32_t i, nsid;
5175 : :
5176 [ + + # # : 114 : for (i = 0; i < desc->num_of_nsid; i++) {
# # ]
5177 [ # # # # : 55 : nsid = desc->nsid[i];
# # ]
5178 [ + + ]: 55 : if (nsid == 0) {
5179 : 0 : continue;
5180 : : }
5181 : :
5182 : 55 : nvme_ns = nvme_ctrlr_get_ns(nvme_ctrlr, nsid);
5183 : :
5184 [ + + ]: 55 : if (nvme_ns == NULL) {
5185 : : /* Target told us that an inactive namespace had an ANA change */
5186 : 4 : continue;
5187 : : }
5188 : :
5189 : 51 : _nvme_ns_set_ana_state(nvme_ns, desc);
5190 : 5 : }
5191 : :
5192 : 59 : return 0;
5193 : : }
5194 : :
5195 : : static void
5196 : 1 : bdev_nvme_disable_read_ana_log_page(struct nvme_ctrlr *nvme_ctrlr)
5197 : : {
5198 : : struct nvme_ns *nvme_ns;
5199 : :
5200 [ # # # # ]: 1 : spdk_free(nvme_ctrlr->ana_log_page);
5201 [ # # # # ]: 1 : nvme_ctrlr->ana_log_page = NULL;
5202 : :
5203 [ # # ]: 1 : for (nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
5204 [ + + ]: 2 : nvme_ns != NULL;
5205 : 1 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns)) {
5206 [ # # # # ]: 1 : nvme_ns->ana_state_updating = false;
5207 [ # # # # ]: 1 : nvme_ns->ana_state = SPDK_NVME_ANA_OPTIMIZED_STATE;
5208 : 0 : }
5209 : 1 : }
5210 : :
5211 : : static void
5212 : 44 : nvme_ctrlr_read_ana_log_page_done(void *ctx, const struct spdk_nvme_cpl *cpl)
5213 : : {
5214 : 44 : struct nvme_ctrlr *nvme_ctrlr = ctx;
5215 : :
5216 [ + - + + : 44 : if (cpl != NULL && spdk_nvme_cpl_is_success(cpl)) {
+ + # # #
# # # # #
# # # # ]
5217 : 46 : bdev_nvme_parse_ana_log_page(nvme_ctrlr, nvme_ctrlr_set_ana_states,
5218 : 3 : nvme_ctrlr);
5219 : 3 : } else {
5220 : 1 : bdev_nvme_disable_read_ana_log_page(nvme_ctrlr);
5221 : : }
5222 : :
5223 [ - + # # ]: 44 : pthread_mutex_lock(&nvme_ctrlr->mutex);
5224 : :
5225 [ + + # # : 44 : assert(nvme_ctrlr->ana_log_page_updating == true);
# # ]
5226 [ # # ]: 44 : nvme_ctrlr->ana_log_page_updating = false;
5227 : :
5228 [ - + ]: 44 : if (nvme_ctrlr_can_be_unregistered(nvme_ctrlr)) {
5229 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5230 : :
5231 : 0 : nvme_ctrlr_unregister(nvme_ctrlr);
5232 : 0 : } else {
5233 [ - + # # ]: 44 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5234 : :
5235 : 44 : bdev_nvme_clear_io_path_caches(nvme_ctrlr);
5236 : : }
5237 : 44 : }
5238 : :
5239 : : static int
5240 : 1042 : nvme_ctrlr_read_ana_log_page(struct nvme_ctrlr *nvme_ctrlr)
5241 : : {
5242 : : uint32_t ana_log_page_size;
5243 : : int rc;
5244 : :
5245 [ + + # # : 1042 : if (nvme_ctrlr->ana_log_page == NULL) {
# # ]
5246 : 0 : return -EINVAL;
5247 : : }
5248 : :
5249 : 1042 : ana_log_page_size = nvme_ctrlr_get_ana_log_page_size(nvme_ctrlr);
5250 : :
5251 [ - + # # : 1042 : if (ana_log_page_size > nvme_ctrlr->max_ana_log_page_size) {
# # ]
5252 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5253 : : "ANA log page size %" PRIu32 " is larger than allowed %" PRIu32 "\n",
5254 : : ana_log_page_size, nvme_ctrlr->max_ana_log_page_size);
5255 : 0 : return -EINVAL;
5256 : : }
5257 : :
5258 [ - + # # ]: 1042 : pthread_mutex_lock(&nvme_ctrlr->mutex);
5259 [ + + + + ]: 1042 : if (!nvme_ctrlr_is_available(nvme_ctrlr) ||
5260 [ # # ]: 5 : nvme_ctrlr->ana_log_page_updating) {
5261 [ - + # # ]: 998 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5262 : 998 : return -EBUSY;
5263 : : }
5264 : :
5265 [ # # ]: 44 : nvme_ctrlr->ana_log_page_updating = true;
5266 [ - + # # ]: 44 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
5267 : :
5268 [ # # # # ]: 47 : rc = spdk_nvme_ctrlr_cmd_get_log_page(nvme_ctrlr->ctrlr,
5269 : : SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS,
5270 : : SPDK_NVME_GLOBAL_NS_TAG,
5271 [ # # # # ]: 44 : nvme_ctrlr->ana_log_page,
5272 : 3 : ana_log_page_size, 0,
5273 : : nvme_ctrlr_read_ana_log_page_done,
5274 : 3 : nvme_ctrlr);
5275 [ - + ]: 44 : if (rc != 0) {
5276 : 0 : nvme_ctrlr_read_ana_log_page_done(nvme_ctrlr, NULL);
5277 : 0 : }
5278 : :
5279 : 44 : return rc;
5280 : 6 : }
5281 : :
5282 : : static void
5283 : 0 : dummy_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *ctx)
5284 : : {
5285 : 0 : }
5286 : :
5287 : : struct bdev_nvme_set_preferred_path_ctx {
5288 : : struct spdk_bdev_desc *desc;
5289 : : struct nvme_ns *nvme_ns;
5290 : : bdev_nvme_set_preferred_path_cb cb_fn;
5291 : : void *cb_arg;
5292 : : };
5293 : :
5294 : : static void
5295 : 12 : bdev_nvme_set_preferred_path_done(struct nvme_bdev *nbdev, void *_ctx, int status)
5296 : : {
5297 : 12 : struct bdev_nvme_set_preferred_path_ctx *ctx = _ctx;
5298 : :
5299 [ + + # # ]: 12 : assert(ctx != NULL);
5300 [ + + # # : 12 : assert(ctx->desc != NULL);
# # # # ]
5301 [ + + # # : 12 : assert(ctx->cb_fn != NULL);
# # # # ]
5302 : :
5303 [ # # # # ]: 12 : spdk_bdev_close(ctx->desc);
5304 : :
5305 [ # # # # : 12 : ctx->cb_fn(ctx->cb_arg, status);
# # # # #
# # # ]
5306 : :
5307 : 12 : free(ctx);
5308 : 12 : }
5309 : :
5310 : : static void
5311 : 8 : _bdev_nvme_set_preferred_path(struct nvme_bdev_channel_iter *i,
5312 : : struct nvme_bdev *nbdev,
5313 : : struct nvme_bdev_channel *nbdev_ch, void *_ctx)
5314 : : {
5315 : 8 : struct bdev_nvme_set_preferred_path_ctx *ctx = _ctx;
5316 : : struct nvme_io_path *io_path, *prev;
5317 : :
5318 : 8 : prev = NULL;
5319 [ + + # # : 12 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
5320 [ + + # # : 12 : if (io_path->nvme_ns == ctx->nvme_ns) {
# # # # #
# ]
5321 : 8 : break;
5322 : : }
5323 : 4 : prev = io_path;
5324 : 1 : }
5325 : :
5326 [ + - ]: 8 : if (io_path != NULL) {
5327 [ + + ]: 8 : if (prev != NULL) {
5328 [ - + # # : 4 : STAILQ_REMOVE_AFTER(&nbdev_ch->io_path_list, prev, stailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
5329 [ - + # # : 4 : STAILQ_INSERT_HEAD(&nbdev_ch->io_path_list, io_path, stailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# ]
5330 : 1 : }
5331 : :
5332 : : /* We can set io_path to nbdev_ch->current_io_path directly here.
5333 : : * However, it needs to be conditional. To simplify the code,
5334 : : * just clear nbdev_ch->current_io_path and let find_io_path()
5335 : : * fill it.
5336 : : *
5337 : : * Automatic failback may be disabled. Hence even if the io_path is
5338 : : * already at the head, clear nbdev_ch->current_io_path.
5339 : : */
5340 : 8 : bdev_nvme_clear_current_io_path(nbdev_ch);
5341 : 2 : }
5342 : :
5343 : 8 : nvme_bdev_for_each_channel_continue(i, 0);
5344 : 8 : }
5345 : :
5346 : : static struct nvme_ns *
5347 : 12 : bdev_nvme_set_preferred_ns(struct nvme_bdev *nbdev, uint16_t cntlid)
5348 : : {
5349 : : struct nvme_ns *nvme_ns, *prev;
5350 : : const struct spdk_nvme_ctrlr_data *cdata;
5351 : :
5352 : 12 : prev = NULL;
5353 [ + + # # : 24 : TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
# # # # #
# # # #
# ]
5354 [ # # # # : 24 : cdata = spdk_nvme_ctrlr_get_data(nvme_ns->ctrlr->ctrlr);
# # # # ]
5355 : :
5356 [ + + # # : 24 : if (cdata->cntlid == cntlid) {
# # ]
5357 : 12 : break;
5358 : : }
5359 : 12 : prev = nvme_ns;
5360 : 3 : }
5361 : :
5362 [ + - + + ]: 12 : if (nvme_ns != NULL && prev != NULL) {
5363 [ + + # # : 8 : TAILQ_REMOVE(&nbdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5364 [ + + # # : 8 : TAILQ_INSERT_HEAD(&nbdev->nvme_ns_list, nvme_ns, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5365 : 2 : }
5366 : :
5367 : 12 : return nvme_ns;
5368 : : }
5369 : :
5370 : : /* This function supports only multipath mode. There is only a single I/O path
5371 : : * for each NVMe-oF controller. Hence, just move the matched I/O path to the
5372 : : * head of the I/O path list for each NVMe bdev channel.
5373 : : *
5374 : : * NVMe bdev channel may be acquired after completing this function. move the
5375 : : * matched namespace to the head of the namespace list for the NVMe bdev too.
5376 : : */
5377 : : void
5378 : 12 : bdev_nvme_set_preferred_path(const char *name, uint16_t cntlid,
5379 : : bdev_nvme_set_preferred_path_cb cb_fn, void *cb_arg)
5380 : : {
5381 : : struct bdev_nvme_set_preferred_path_ctx *ctx;
5382 : : struct spdk_bdev *bdev;
5383 : : struct nvme_bdev *nbdev;
5384 : 12 : int rc = 0;
5385 : :
5386 [ + + # # ]: 12 : assert(cb_fn != NULL);
5387 : :
5388 : 12 : ctx = calloc(1, sizeof(*ctx));
5389 [ + + ]: 12 : if (ctx == NULL) {
5390 : 0 : SPDK_ERRLOG("Failed to alloc context.\n");
5391 : 0 : rc = -ENOMEM;
5392 : 0 : goto err_alloc;
5393 : : }
5394 : :
5395 [ # # # # ]: 12 : ctx->cb_fn = cb_fn;
5396 [ # # # # ]: 12 : ctx->cb_arg = cb_arg;
5397 : :
5398 [ # # ]: 12 : rc = spdk_bdev_open_ext(name, false, dummy_bdev_event_cb, NULL, &ctx->desc);
5399 [ - + ]: 12 : if (rc != 0) {
5400 : 0 : SPDK_ERRLOG("Failed to open bdev %s.\n", name);
5401 : 0 : goto err_open;
5402 : : }
5403 : :
5404 [ # # # # ]: 12 : bdev = spdk_bdev_desc_get_bdev(ctx->desc);
5405 : :
5406 [ - + # # : 12 : if (bdev->module != &nvme_if) {
# # ]
5407 : 0 : SPDK_ERRLOG("bdev %s is not registered in this module.\n", name);
5408 : 0 : rc = -ENODEV;
5409 : 0 : goto err_bdev;
5410 : : }
5411 : :
5412 : 12 : nbdev = SPDK_CONTAINEROF(bdev, struct nvme_bdev, disk);
5413 : :
5414 [ - + # # ]: 12 : pthread_mutex_lock(&nbdev->mutex);
5415 : :
5416 [ # # # # ]: 12 : ctx->nvme_ns = bdev_nvme_set_preferred_ns(nbdev, cntlid);
5417 [ + + # # : 12 : if (ctx->nvme_ns == NULL) {
# # ]
5418 [ # # # # ]: 0 : pthread_mutex_unlock(&nbdev->mutex);
5419 : :
5420 : 0 : SPDK_ERRLOG("bdev %s does not have namespace to controller %u.\n", name, cntlid);
5421 : 0 : rc = -ENODEV;
5422 : 0 : goto err_bdev;
5423 : : }
5424 : :
5425 [ - + # # ]: 12 : pthread_mutex_unlock(&nbdev->mutex);
5426 : :
5427 : 15 : nvme_bdev_for_each_channel(nbdev,
5428 : : _bdev_nvme_set_preferred_path,
5429 : 3 : ctx,
5430 : : bdev_nvme_set_preferred_path_done);
5431 : 12 : return;
5432 : :
5433 : 0 : err_bdev:
5434 [ # # # # ]: 0 : spdk_bdev_close(ctx->desc);
5435 : 0 : err_open:
5436 : 0 : free(ctx);
5437 : 0 : err_alloc:
5438 [ # # # # ]: 0 : cb_fn(cb_arg, rc);
5439 : 3 : }
5440 : :
5441 : : struct bdev_nvme_set_multipath_policy_ctx {
5442 : : struct spdk_bdev_desc *desc;
5443 : : spdk_bdev_nvme_set_multipath_policy_cb cb_fn;
5444 : : void *cb_arg;
5445 : : };
5446 : :
5447 : : static void
5448 : 13 : bdev_nvme_set_multipath_policy_done(struct nvme_bdev *nbdev, void *_ctx, int status)
5449 : : {
5450 : 13 : struct bdev_nvme_set_multipath_policy_ctx *ctx = _ctx;
5451 : :
5452 [ + + # # ]: 13 : assert(ctx != NULL);
5453 [ + + # # : 13 : assert(ctx->desc != NULL);
# # # # ]
5454 [ + + # # : 13 : assert(ctx->cb_fn != NULL);
# # # # ]
5455 : :
5456 [ # # # # ]: 13 : spdk_bdev_close(ctx->desc);
5457 : :
5458 [ # # # # : 13 : ctx->cb_fn(ctx->cb_arg, status);
# # # # #
# # # ]
5459 : :
5460 : 13 : free(ctx);
5461 : 13 : }
5462 : :
5463 : : static void
5464 : 5 : _bdev_nvme_set_multipath_policy(struct nvme_bdev_channel_iter *i,
5465 : : struct nvme_bdev *nbdev,
5466 : : struct nvme_bdev_channel *nbdev_ch, void *ctx)
5467 : : {
5468 [ # # # # : 5 : nbdev_ch->mp_policy = nbdev->mp_policy;
# # # # ]
5469 [ # # # # : 5 : nbdev_ch->mp_selector = nbdev->mp_selector;
# # # # ]
5470 [ # # # # : 5 : nbdev_ch->rr_min_io = nbdev->rr_min_io;
# # # # ]
5471 : 5 : bdev_nvme_clear_current_io_path(nbdev_ch);
5472 : :
5473 : 5 : nvme_bdev_for_each_channel_continue(i, 0);
5474 : 5 : }
5475 : :
5476 : : void
5477 : 13 : spdk_bdev_nvme_set_multipath_policy(const char *name, enum spdk_bdev_nvme_multipath_policy policy,
5478 : : enum spdk_bdev_nvme_multipath_selector selector, uint32_t rr_min_io,
5479 : : spdk_bdev_nvme_set_multipath_policy_cb cb_fn, void *cb_arg)
5480 : : {
5481 : : struct bdev_nvme_set_multipath_policy_ctx *ctx;
5482 : : struct spdk_bdev *bdev;
5483 : : struct nvme_bdev *nbdev;
5484 : : int rc;
5485 : :
5486 [ + + # # ]: 13 : assert(cb_fn != NULL);
5487 : :
5488 [ + + + ]: 13 : switch (policy) {
5489 : 3 : case BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE:
5490 : 4 : break;
5491 [ + + - ]: 7 : case BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE:
5492 [ + + + ]: 3 : switch (selector) {
5493 : 4 : case BDEV_NVME_MP_SELECTOR_ROUND_ROBIN:
5494 [ + + ]: 5 : if (rr_min_io == UINT32_MAX) {
5495 : 1 : rr_min_io = 1;
5496 [ - + ]: 4 : } else if (rr_min_io == 0) {
5497 : 0 : rc = -EINVAL;
5498 : 0 : goto exit;
5499 : : }
5500 : 5 : break;
5501 : 3 : case BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH:
5502 : 4 : break;
5503 : 0 : default:
5504 : 0 : rc = -EINVAL;
5505 : 0 : goto exit;
5506 : : }
5507 : 9 : break;
5508 : 0 : default:
5509 : 0 : rc = -EINVAL;
5510 : 0 : goto exit;
5511 : : }
5512 : :
5513 : 13 : ctx = calloc(1, sizeof(*ctx));
5514 [ + + ]: 13 : if (ctx == NULL) {
5515 : 0 : SPDK_ERRLOG("Failed to alloc context.\n");
5516 : 0 : rc = -ENOMEM;
5517 : 0 : goto exit;
5518 : : }
5519 : :
5520 [ # # # # ]: 13 : ctx->cb_fn = cb_fn;
5521 [ # # # # ]: 13 : ctx->cb_arg = cb_arg;
5522 : :
5523 [ # # ]: 13 : rc = spdk_bdev_open_ext(name, false, dummy_bdev_event_cb, NULL, &ctx->desc);
5524 [ - + ]: 13 : if (rc != 0) {
5525 : 0 : SPDK_ERRLOG("Failed to open bdev %s.\n", name);
5526 : 0 : rc = -ENODEV;
5527 : 0 : goto err_open;
5528 : : }
5529 : :
5530 [ # # # # ]: 13 : bdev = spdk_bdev_desc_get_bdev(ctx->desc);
5531 [ - + # # : 13 : if (bdev->module != &nvme_if) {
# # ]
5532 : 0 : SPDK_ERRLOG("bdev %s is not registered in this module.\n", name);
5533 : 0 : rc = -ENODEV;
5534 : 0 : goto err_module;
5535 : : }
5536 : 13 : nbdev = SPDK_CONTAINEROF(bdev, struct nvme_bdev, disk);
5537 : :
5538 [ - + # # ]: 13 : pthread_mutex_lock(&nbdev->mutex);
5539 [ # # # # ]: 13 : nbdev->mp_policy = policy;
5540 [ # # # # ]: 13 : nbdev->mp_selector = selector;
5541 [ # # # # ]: 13 : nbdev->rr_min_io = rr_min_io;
5542 [ - + # # ]: 13 : pthread_mutex_unlock(&nbdev->mutex);
5543 : :
5544 : 16 : nvme_bdev_for_each_channel(nbdev,
5545 : : _bdev_nvme_set_multipath_policy,
5546 : 3 : ctx,
5547 : : bdev_nvme_set_multipath_policy_done);
5548 : 13 : return;
5549 : :
5550 : 0 : err_module:
5551 [ # # # # ]: 0 : spdk_bdev_close(ctx->desc);
5552 : 0 : err_open:
5553 : 0 : free(ctx);
5554 : 0 : exit:
5555 [ # # # # ]: 0 : cb_fn(cb_arg, rc);
5556 : 3 : }
5557 : :
5558 : : static void
5559 : 46 : aer_cb(void *arg, const struct spdk_nvme_cpl *cpl)
5560 : : {
5561 : 46 : struct nvme_ctrlr *nvme_ctrlr = arg;
5562 : : union spdk_nvme_async_event_completion event;
5563 : :
5564 [ + - - + : 46 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
5565 : 0 : SPDK_WARNLOG("AER request execute failed\n");
5566 : 0 : return;
5567 : : }
5568 : :
5569 [ # # # # ]: 46 : event.raw = cpl->cdw0;
5570 [ + - + + ]: 46 : if ((event.bits.async_event_type == SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE) &&
5571 [ + + ]: 46 : (event.bits.async_event_info == SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGED)) {
5572 : 12 : nvme_ctrlr_populate_namespaces(nvme_ctrlr, NULL);
5573 [ + - - + ]: 36 : } else if ((event.bits.async_event_type == SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE) &&
5574 [ + - ]: 34 : (event.bits.async_event_info == SPDK_NVME_ASYNC_EVENT_ANA_CHANGE)) {
5575 : 34 : nvme_ctrlr_read_ana_log_page(nvme_ctrlr);
5576 : 1 : }
5577 : 3 : }
5578 : :
5579 : : static void
5580 : 955 : free_nvme_async_probe_ctx(struct nvme_async_probe_ctx *ctx)
5581 : : {
5582 [ + - + - : 955 : spdk_keyring_put_key(ctx->drv_opts.tls_psk);
+ - ]
5583 [ + - + - : 955 : spdk_keyring_put_key(ctx->drv_opts.dhchap_key);
+ - ]
5584 [ + - + - : 955 : spdk_keyring_put_key(ctx->drv_opts.dhchap_ctrlr_key);
+ - ]
5585 : 955 : free(ctx);
5586 : 955 : }
5587 : :
5588 : : static void
5589 : 952 : populate_namespaces_cb(struct nvme_async_probe_ctx *ctx, int rc)
5590 : : {
5591 [ + + + - : 952 : if (ctx->cb_fn) {
+ - ]
5592 [ + - + - : 952 : ctx->cb_fn(ctx->cb_ctx, ctx->reported_bdevs, rc);
- + + - +
- + - + -
+ - ]
5593 : 64 : }
5594 : :
5595 [ + - + - ]: 952 : ctx->namespaces_populated = true;
5596 [ + + + + : 952 : if (ctx->probe_done) {
+ - + - ]
5597 : : /* The probe was already completed, so we need to free the context
5598 : : * here. This can happen for cases like OCSSD, where we need to
5599 : : * send additional commands to the SSD after attach.
5600 : : */
5601 : 226 : free_nvme_async_probe_ctx(ctx);
5602 : 32 : }
5603 : 952 : }
5604 : :
5605 : : static int
5606 : 25211 : bdev_nvme_remove_poller(void *ctx)
5607 : : {
5608 : 15668 : struct spdk_nvme_transport_id trid_pcie;
5609 : :
5610 [ + + ]: 25211 : if (TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
5611 : 358 : spdk_poller_unregister(&g_hotplug_poller);
5612 : 358 : return SPDK_POLLER_IDLE;
5613 : : }
5614 : :
5615 [ + + ]: 24853 : memset(&trid_pcie, 0, sizeof(trid_pcie));
5616 : 24853 : spdk_nvme_trid_populate_transport(&trid_pcie, SPDK_NVME_TRANSPORT_PCIE);
5617 : :
5618 [ + + ]: 24853 : if (spdk_nvme_scan_attached(&trid_pcie)) {
5619 [ # # # # ]: 0 : SPDK_ERRLOG_RATELIMIT("spdk_nvme_scan_attached() failed\n");
5620 : 0 : }
5621 : :
5622 : 24853 : return SPDK_POLLER_BUSY;
5623 : 263 : }
5624 : :
5625 : : static void
5626 : 1021 : nvme_ctrlr_create_done(struct nvme_ctrlr *nvme_ctrlr,
5627 : : struct nvme_async_probe_ctx *ctx)
5628 : : {
5629 [ + - + - : 1021 : struct spdk_nvme_transport_id *trid = &nvme_ctrlr->active_path_id->trid;
+ - ]
5630 : :
5631 [ + + + - : 1021 : if (spdk_nvme_trtype_is_fabrics(trid->trtype)) {
- + ]
5632 [ + + + + : 495 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was created to %s:%s\n",
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5633 : : trid->traddr, trid->trsvcid);
5634 : 61 : } else {
5635 [ + + + + : 526 : NVME_CTRLR_INFOLOG(nvme_ctrlr, "ctrlr was created\n");
+ - # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
5636 : : }
5637 : :
5638 : 1093 : spdk_io_device_register(nvme_ctrlr,
5639 : : bdev_nvme_create_ctrlr_channel_cb,
5640 : : bdev_nvme_destroy_ctrlr_channel_cb,
5641 : : sizeof(struct nvme_ctrlr_channel),
5642 [ + - + - : 1021 : nvme_ctrlr->nbdev_ctrlr->name);
+ - + - ]
5643 : :
5644 : 1021 : nvme_ctrlr_populate_namespaces(nvme_ctrlr, ctx);
5645 : :
5646 [ + + ]: 1021 : if (g_hotplug_poller == NULL) {
5647 : 606 : g_hotplug_poller = SPDK_POLLER_REGISTER(bdev_nvme_remove_poller, NULL,
5648 : : NVME_HOTPLUG_POLL_PERIOD_DEFAULT);
5649 : 13 : }
5650 : 1021 : }
5651 : :
5652 : : static void
5653 : 206 : nvme_ctrlr_init_ana_log_page_done(void *_ctx, const struct spdk_nvme_cpl *cpl)
5654 : : {
5655 : 206 : struct nvme_ctrlr *nvme_ctrlr = _ctx;
5656 [ # # # # ]: 206 : struct nvme_async_probe_ctx *ctx = nvme_ctrlr->probe_ctx;
5657 : :
5658 [ # # # # ]: 206 : nvme_ctrlr->probe_ctx = NULL;
5659 : :
5660 [ + - + + : 206 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
5661 : 0 : nvme_ctrlr_delete(nvme_ctrlr);
5662 : :
5663 [ # # ]: 0 : if (ctx != NULL) {
5664 [ # # # # ]: 0 : ctx->reported_bdevs = 0;
5665 : 0 : populate_namespaces_cb(ctx, -1);
5666 : 0 : }
5667 : 0 : return;
5668 : : }
5669 : :
5670 : 206 : nvme_ctrlr_create_done(nvme_ctrlr, ctx);
5671 : 31 : }
5672 : :
5673 : : static int
5674 : 206 : nvme_ctrlr_init_ana_log_page(struct nvme_ctrlr *nvme_ctrlr,
5675 : : struct nvme_async_probe_ctx *ctx)
5676 : : {
5677 [ # # # # ]: 206 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5678 : : const struct spdk_nvme_ctrlr_data *cdata;
5679 : : uint32_t ana_log_page_size;
5680 : :
5681 : 206 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5682 : :
5683 : : /* Set buffer size enough to include maximum number of allowed namespaces. */
5684 [ # # # # ]: 237 : ana_log_page_size = sizeof(struct spdk_nvme_ana_page) + cdata->nanagrpid *
5685 [ # # # # ]: 206 : sizeof(struct spdk_nvme_ana_group_descriptor) + cdata->mnan *
5686 : : sizeof(uint32_t);
5687 : :
5688 [ # # # # ]: 206 : nvme_ctrlr->ana_log_page = spdk_zmalloc(ana_log_page_size, 64, NULL,
5689 : : SPDK_ENV_NUMA_ID_ANY, SPDK_MALLOC_DMA);
5690 [ + + # # : 206 : if (nvme_ctrlr->ana_log_page == NULL) {
# # ]
5691 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "could not allocate ANA log page buffer\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5692 : 0 : return -ENXIO;
5693 : : }
5694 : :
5695 : : /* Each descriptor in a ANA log page is not ensured to be 8-bytes aligned.
5696 : : * Hence copy each descriptor to a temporary area when parsing it.
5697 : : *
5698 : : * Allocate a buffer whose size is as large as ANA log page buffer because
5699 : : * we do not know the size of a descriptor until actually reading it.
5700 : : */
5701 [ # # # # ]: 206 : nvme_ctrlr->copied_ana_desc = calloc(1, ana_log_page_size);
5702 [ + + # # : 206 : if (nvme_ctrlr->copied_ana_desc == NULL) {
# # ]
5703 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "could not allocate a buffer to parse ANA descriptor\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5704 : 0 : return -ENOMEM;
5705 : : }
5706 : :
5707 [ # # # # ]: 206 : nvme_ctrlr->max_ana_log_page_size = ana_log_page_size;
5708 : :
5709 [ # # # # ]: 206 : nvme_ctrlr->probe_ctx = ctx;
5710 : :
5711 : : /* Then, set the read size only to include the current active namespaces. */
5712 : 206 : ana_log_page_size = nvme_ctrlr_get_ana_log_page_size(nvme_ctrlr);
5713 : :
5714 [ - + # # : 206 : if (ana_log_page_size > nvme_ctrlr->max_ana_log_page_size) {
# # ]
5715 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "ANA log page size %" PRIu32 " is larger than allowed %" PRIu32 "\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5716 : : ana_log_page_size, nvme_ctrlr->max_ana_log_page_size);
5717 : 0 : return -EINVAL;
5718 : : }
5719 : :
5720 : 237 : return spdk_nvme_ctrlr_cmd_get_log_page(ctrlr,
5721 : : SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS,
5722 : : SPDK_NVME_GLOBAL_NS_TAG,
5723 [ # # # # ]: 206 : nvme_ctrlr->ana_log_page,
5724 : 31 : ana_log_page_size, 0,
5725 : : nvme_ctrlr_init_ana_log_page_done,
5726 : 31 : nvme_ctrlr);
5727 : 31 : }
5728 : :
5729 : : /* hostnqn and subnqn were already verified before attaching a controller.
5730 : : * Hence check only the multipath capability and cntlid here.
5731 : : */
5732 : : static bool
5733 : 67 : bdev_nvme_check_multipath(struct nvme_bdev_ctrlr *nbdev_ctrlr, struct spdk_nvme_ctrlr *ctrlr)
5734 : : {
5735 : : struct nvme_ctrlr *tmp;
5736 : : const struct spdk_nvme_ctrlr_data *cdata, *tmp_cdata;
5737 : :
5738 : 67 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5739 : :
5740 [ - + # # : 67 : if (!cdata->cmic.multi_ctrlr) {
# # ]
5741 [ # # # # ]: 0 : SPDK_ERRLOG("Ctrlr%u does not support multipath.\n", cdata->cntlid);
5742 : 0 : return false;
5743 : : }
5744 : :
5745 [ + + # # : 138 : TAILQ_FOREACH(tmp, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
5746 [ # # # # ]: 75 : tmp_cdata = spdk_nvme_ctrlr_get_data(tmp->ctrlr);
5747 : :
5748 [ + + # # : 75 : if (!tmp_cdata->cmic.multi_ctrlr) {
# # ]
5749 [ # # # # : 0 : NVME_CTRLR_ERRLOG(tmp, "Ctrlr%u does not support multipath.\n", cdata->cntlid);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5750 : 0 : return false;
5751 : : }
5752 [ + + # # : 75 : if (cdata->cntlid == tmp_cdata->cntlid) {
# # # # #
# ]
5753 [ + - # # : 4 : NVME_CTRLR_ERRLOG(tmp, "cntlid %u are duplicated.\n", tmp_cdata->cntlid);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
5754 : 4 : return false;
5755 : : }
5756 : 17 : }
5757 : :
5758 : 63 : return true;
5759 : 16 : }
5760 : :
5761 : :
5762 : : static int
5763 : 1025 : nvme_bdev_ctrlr_create(const char *name, struct nvme_ctrlr *nvme_ctrlr)
5764 : : {
5765 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
5766 [ + - + - ]: 1025 : struct spdk_nvme_ctrlr *ctrlr = nvme_ctrlr->ctrlr;
5767 : : struct nvme_ctrlr *nctrlr;
5768 : 1025 : int rc = 0;
5769 : :
5770 [ + + ]: 1025 : pthread_mutex_lock(&g_bdev_nvme_mutex);
5771 : :
5772 : 1025 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
5773 [ + + ]: 1025 : if (nbdev_ctrlr != NULL) {
5774 [ + + ]: 67 : if (!bdev_nvme_check_multipath(nbdev_ctrlr, ctrlr)) {
5775 : 4 : rc = -EINVAL;
5776 : 4 : goto exit;
5777 : : }
5778 [ + + # # : 134 : TAILQ_FOREACH(nctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
5779 [ + + - + : 71 : if (nctrlr->opts.multipath != nvme_ctrlr->opts.multipath) {
- + # # #
# # # # #
# # # # ]
5780 : : /* All controllers with the same name must be configured the same
5781 : : * way, either for multipath or failover. If the configuration doesn't
5782 : : * match - report error.
5783 : : */
5784 : 0 : rc = -EINVAL;
5785 : 0 : goto exit;
5786 : : }
5787 : 17 : }
5788 : 15 : } else {
5789 : 958 : nbdev_ctrlr = calloc(1, sizeof(*nbdev_ctrlr));
5790 [ + + ]: 958 : if (nbdev_ctrlr == NULL) {
5791 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate nvme_bdev_ctrlr.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5792 : 0 : rc = -ENOMEM;
5793 : 0 : goto exit;
5794 : : }
5795 [ + + + - : 958 : nbdev_ctrlr->name = strdup(name);
+ - ]
5796 [ + + + - : 958 : if (nbdev_ctrlr->name == NULL) {
+ - ]
5797 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "Failed to allocate name of nvme_bdev_ctrlr.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
5798 : 0 : free(nbdev_ctrlr);
5799 : 0 : goto exit;
5800 : : }
5801 [ + - + - : 958 : TAILQ_INIT(&nbdev_ctrlr->ctrlrs);
+ - + - +
- + - + -
+ - ]
5802 [ + - + - : 958 : TAILQ_INIT(&nbdev_ctrlr->bdevs);
+ - + - +
- + - + -
+ - ]
5803 [ + - + - : 958 : TAILQ_INSERT_TAIL(&g_nvme_bdev_ctrlrs, nbdev_ctrlr, tailq);
+ - + - +
- + - + -
+ - + - +
- + - +
- ]
5804 : : }
5805 [ + - + - ]: 1021 : nvme_ctrlr->nbdev_ctrlr = nbdev_ctrlr;
5806 [ + - + - : 1021 : TAILQ_INSERT_TAIL(&nbdev_ctrlr->ctrlrs, nvme_ctrlr, tailq);
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
5807 : 952 : exit:
5808 [ + + ]: 1025 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
5809 : 1025 : return rc;
5810 : : }
5811 : :
5812 : : static int
5813 : 1025 : nvme_ctrlr_create(struct spdk_nvme_ctrlr *ctrlr,
5814 : : const char *name,
5815 : : const struct spdk_nvme_transport_id *trid,
5816 : : struct nvme_async_probe_ctx *ctx)
5817 : : {
5818 : : struct nvme_ctrlr *nvme_ctrlr;
5819 : : struct nvme_path_id *path_id;
5820 : : const struct spdk_nvme_ctrlr_data *cdata;
5821 : 1025 : struct spdk_event_handler_opts opts = {
5822 : : .opts_size = SPDK_SIZEOF(&opts, fd_type),
5823 : : };
5824 : : uint64_t period;
5825 : : int fd, rc;
5826 : :
5827 : 1025 : nvme_ctrlr = calloc(1, sizeof(*nvme_ctrlr));
5828 [ + + ]: 1025 : if (nvme_ctrlr == NULL) {
5829 : 0 : SPDK_ERRLOG("Failed to allocate device struct\n");
5830 : 0 : return -ENOMEM;
5831 : : }
5832 : :
5833 [ + + + - ]: 1025 : rc = pthread_mutex_init(&nvme_ctrlr->mutex, NULL);
5834 [ - + ]: 1025 : if (rc != 0) {
5835 : 0 : free(nvme_ctrlr);
5836 : 0 : return rc;
5837 : : }
5838 : :
5839 [ + - + - : 1025 : TAILQ_INIT(&nvme_ctrlr->trids);
+ - + - +
- + - + -
+ - ]
5840 [ + - + - : 1025 : TAILQ_INIT(&nvme_ctrlr->pending_resets);
+ - + - +
- + - + -
+ - ]
5841 [ + - + - : 1025 : RB_INIT(&nvme_ctrlr->namespaces);
+ - ]
5842 : :
5843 : : /* Get another reference to the key, so the first one can be released from probe_ctx */
5844 [ + + ]: 1025 : if (ctx != NULL) {
5845 [ + + + - : 913 : if (ctx->drv_opts.tls_psk != NULL) {
+ - + - ]
5846 [ # # # # ]: 13 : nvme_ctrlr->psk = spdk_keyring_get_key(
5847 [ # # # # : 0 : spdk_key_get_name(ctx->drv_opts.tls_psk));
# # ]
5848 [ - + # # : 13 : if (nvme_ctrlr->psk == NULL) {
# # ]
5849 : : /* Could only happen if the key was removed in the meantime */
5850 [ # # # # : 0 : SPDK_ERRLOG("Couldn't get a reference to the key '%s'\n",
# # ]
5851 : : spdk_key_get_name(ctx->drv_opts.tls_psk));
5852 : 0 : rc = -ENOKEY;
5853 : 0 : goto err;
5854 : : }
5855 : 0 : }
5856 : :
5857 [ + + + - : 913 : if (ctx->drv_opts.dhchap_key != NULL) {
+ - + - ]
5858 [ # # # # ]: 157 : nvme_ctrlr->dhchap_key = spdk_keyring_get_key(
5859 [ # # # # : 0 : spdk_key_get_name(ctx->drv_opts.dhchap_key));
# # ]
5860 [ - + # # : 157 : if (nvme_ctrlr->dhchap_key == NULL) {
# # ]
5861 [ # # # # : 0 : SPDK_ERRLOG("Couldn't get a reference to the key '%s'\n",
# # ]
5862 : : spdk_key_get_name(ctx->drv_opts.dhchap_key));
5863 : 0 : rc = -ENOKEY;
5864 : 0 : goto err;
5865 : : }
5866 : 0 : }
5867 : :
5868 [ + + + - : 913 : if (ctx->drv_opts.dhchap_ctrlr_key != NULL) {
+ - + - ]
5869 [ # # # # ]: 121 : nvme_ctrlr->dhchap_ctrlr_key =
5870 : 121 : spdk_keyring_get_key(
5871 [ # # # # : 0 : spdk_key_get_name(ctx->drv_opts.dhchap_ctrlr_key));
# # ]
5872 [ - + # # : 121 : if (nvme_ctrlr->dhchap_ctrlr_key == NULL) {
# # ]
5873 [ # # # # : 0 : SPDK_ERRLOG("Couldn't get a reference to the key '%s'\n",
# # ]
5874 : : spdk_key_get_name(ctx->drv_opts.dhchap_ctrlr_key));
5875 : 0 : rc = -ENOKEY;
5876 : 0 : goto err;
5877 : : }
5878 : 0 : }
5879 : 59 : }
5880 : :
5881 : : /* Check if we manage to enable interrupts on the controller. */
5882 [ - + - - : 1025 : if (spdk_interrupt_mode_is_enabled() && ctx != NULL && !ctx->drv_opts.enable_interrupts) {
- - - - #
# # # #
# ]
5883 : 0 : SPDK_ERRLOG("Failed to enable interrupts on the controller\n");
5884 : 0 : rc = -ENOTSUP;
5885 : 0 : goto err;
5886 : : }
5887 : :
5888 : 1025 : path_id = calloc(1, sizeof(*path_id));
5889 [ + + ]: 1025 : if (path_id == NULL) {
5890 : 0 : SPDK_ERRLOG("Failed to allocate trid entry pointer\n");
5891 : 0 : rc = -ENOMEM;
5892 : 0 : goto err;
5893 : : }
5894 : :
5895 [ + - ]: 1025 : path_id->trid = *trid;
5896 [ + + ]: 1025 : if (ctx != NULL) {
5897 [ + + + + : 913 : memcpy(path_id->hostid.hostaddr, ctx->drv_opts.src_addr, sizeof(path_id->hostid.hostaddr));
+ - + - +
- + - ]
5898 [ + + + + : 913 : memcpy(path_id->hostid.hostsvcid, ctx->drv_opts.src_svcid, sizeof(path_id->hostid.hostsvcid));
+ - + - +
- + - ]
5899 : 59 : }
5900 [ + - + - ]: 1025 : nvme_ctrlr->active_path_id = path_id;
5901 [ + + + - : 1025 : TAILQ_INSERT_HEAD(&nvme_ctrlr->trids, path_id, link);
+ - + - +
- + - - +
# # # # #
# # # # #
# # # # #
# + - + -
+ - + - +
- + - + -
+ - + - +
- + - + -
+ - ]
5902 : :
5903 [ + - + - ]: 1025 : nvme_ctrlr->thread = spdk_get_thread();
5904 [ + - + - ]: 1025 : nvme_ctrlr->ctrlr = ctrlr;
5905 [ + - + - ]: 1025 : nvme_ctrlr->ref = 1;
5906 : :
5907 [ - + ]: 1025 : if (spdk_nvme_ctrlr_is_ocssd_supported(ctrlr)) {
5908 : 0 : SPDK_ERRLOG("OCSSDs are not supported");
5909 : 0 : rc = -ENOTSUP;
5910 : 0 : goto err;
5911 : : }
5912 : :
5913 [ + + ]: 1025 : if (ctx != NULL) {
5914 [ + + + + : 913 : memcpy(&nvme_ctrlr->opts, &ctx->bdev_opts, sizeof(ctx->bdev_opts));
+ - + - ]
5915 : 59 : } else {
5916 [ # # ]: 112 : spdk_bdev_nvme_get_default_ctrlr_opts(&nvme_ctrlr->opts);
5917 : : }
5918 : :
5919 [ + + + - ]: 1025 : period = spdk_interrupt_mode_is_enabled() ? 0 : g_opts.nvme_adminq_poll_period_us;
5920 : :
5921 [ + - + - ]: 1025 : nvme_ctrlr->adminq_timer_poller = SPDK_POLLER_REGISTER(bdev_nvme_poll_adminq, nvme_ctrlr,
5922 : : period);
5923 : :
5924 [ + + ]: 1025 : if (spdk_interrupt_mode_is_enabled()) {
5925 [ # # # # ]: 0 : spdk_poller_register_interrupt(nvme_ctrlr->adminq_timer_poller, NULL, NULL);
5926 : :
5927 [ # # # # ]: 0 : fd = spdk_nvme_ctrlr_get_admin_qp_fd(nvme_ctrlr->ctrlr, &opts);
5928 [ # # ]: 0 : if (fd < 0) {
5929 : 0 : rc = fd;
5930 : 0 : goto err;
5931 : : }
5932 : :
5933 [ # # # # ]: 0 : nvme_ctrlr->intr = SPDK_INTERRUPT_REGISTER_EXT(fd, bdev_nvme_poll_adminq,
5934 : : nvme_ctrlr, &opts);
5935 [ # # # # : 0 : if (!nvme_ctrlr->intr) {
# # ]
5936 : 0 : rc = -EINVAL;
5937 : 0 : goto err;
5938 : : }
5939 : 0 : }
5940 : :
5941 [ + + + - ]: 1025 : if (g_opts.timeout_us > 0) {
5942 : : /* Register timeout callback. Timeout values for IO vs. admin reqs can be different. */
5943 : : /* If timeout_admin_us is 0 (not specified), admin uses same timeout as IO. */
5944 [ # # # # ]: 0 : uint64_t adm_timeout_us = (g_opts.timeout_admin_us == 0) ?
5945 [ # # # # ]: 0 : g_opts.timeout_us : g_opts.timeout_admin_us;
5946 [ # # ]: 0 : spdk_nvme_ctrlr_register_timeout_callback(ctrlr, g_opts.timeout_us,
5947 : 0 : adm_timeout_us, timeout_cb, nvme_ctrlr);
5948 : 0 : }
5949 : :
5950 : 1025 : spdk_nvme_ctrlr_register_aer_callback(ctrlr, aer_cb, nvme_ctrlr);
5951 : 1025 : spdk_nvme_ctrlr_set_remove_cb(ctrlr, remove_cb, nvme_ctrlr);
5952 : :
5953 [ + + ]: 1025 : if (spdk_nvme_ctrlr_get_flags(ctrlr) &
5954 : : SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED) {
5955 [ # # # # ]: 53 : nvme_ctrlr->opal_dev = spdk_opal_dev_construct(ctrlr);
5956 : 0 : }
5957 : :
5958 : 1025 : rc = nvme_bdev_ctrlr_create(name, nvme_ctrlr);
5959 [ + + ]: 1025 : if (rc != 0) {
5960 : 4 : goto err;
5961 : : }
5962 : :
5963 : 1021 : cdata = spdk_nvme_ctrlr_get_data(ctrlr);
5964 : :
5965 [ + + - + : 1021 : if (cdata->cmic.ana_reporting) {
- + ]
5966 : 206 : rc = nvme_ctrlr_init_ana_log_page(nvme_ctrlr, ctx);
5967 [ + - ]: 206 : if (rc == 0) {
5968 : 206 : return 0;
5969 : : }
5970 : 0 : } else {
5971 : 815 : nvme_ctrlr_create_done(nvme_ctrlr, ctx);
5972 : 815 : return 0;
5973 : : }
5974 : :
5975 : 3 : err:
5976 : 4 : nvme_ctrlr_delete(nvme_ctrlr);
5977 : 4 : return rc;
5978 : 73 : }
5979 : :
5980 : : void
5981 : 914 : spdk_bdev_nvme_get_default_ctrlr_opts(struct spdk_bdev_nvme_ctrlr_opts *opts)
5982 : : {
5983 [ + - + - ]: 914 : opts->prchk_flags = 0;
5984 [ + - + - : 914 : opts->ctrlr_loss_timeout_sec = g_opts.ctrlr_loss_timeout_sec;
+ - ]
5985 [ + - + - : 914 : opts->reconnect_delay_sec = g_opts.reconnect_delay_sec;
+ - ]
5986 [ + - + - : 914 : opts->fast_io_fail_timeout_sec = g_opts.fast_io_fail_timeout_sec;
+ - ]
5987 [ + - + - ]: 914 : opts->multipath = true;
5988 : 914 : }
5989 : :
5990 : : static void
5991 : 56 : attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
5992 : : struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *drv_opts)
5993 : : {
5994 : : char *name;
5995 : :
5996 [ # # ]: 56 : name = spdk_sprintf_alloc("HotInNvme%d", g_hot_insert_nvme_controller_index++);
5997 [ - + ]: 56 : if (!name) {
5998 : 0 : SPDK_ERRLOG("Failed to assign name to NVMe device\n");
5999 : 0 : return;
6000 : : }
6001 : :
6002 [ + - ]: 56 : if (nvme_ctrlr_create(ctrlr, name, trid, NULL) == 0) {
6003 [ - + - + : 56 : SPDK_DEBUGLOG(bdev_nvme, "Attached to %s (%s)\n", trid->traddr, name);
# # # # ]
6004 : 0 : } else {
6005 [ # # ]: 0 : SPDK_ERRLOG("Failed to attach to %s (%s)\n", trid->traddr, name);
6006 : : }
6007 : :
6008 : 56 : free(name);
6009 : 0 : }
6010 : :
6011 : : static void
6012 : 1021 : _nvme_ctrlr_destruct(void *ctx)
6013 : : {
6014 : 1021 : struct nvme_ctrlr *nvme_ctrlr = ctx;
6015 : :
6016 : 1021 : nvme_ctrlr_depopulate_namespaces(nvme_ctrlr);
6017 : 1021 : nvme_ctrlr_put_ref(nvme_ctrlr);
6018 : 1021 : }
6019 : :
6020 : : static int
6021 : 509 : bdev_nvme_delete_ctrlr_unsafe(struct nvme_ctrlr *nvme_ctrlr, bool hotplug)
6022 : : {
6023 : : struct nvme_probe_skip_entry *entry;
6024 : :
6025 : : /* The controller's destruction was already started */
6026 [ - + # # ]: 509 : if (nvme_ctrlr->destruct) {
6027 : 0 : return -EALREADY;
6028 : : }
6029 : :
6030 [ + + + + : 509 : if (!hotplug &&
# # ]
6031 [ + + # # : 461 : nvme_ctrlr->active_path_id->trid.trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # # # #
# ]
6032 : 44 : entry = calloc(1, sizeof(*entry));
6033 [ - + ]: 44 : if (!entry) {
6034 : 0 : return -ENOMEM;
6035 : : }
6036 [ # # # # : 44 : entry->trid = nvme_ctrlr->active_path_id->trid;
# # # # ]
6037 [ # # # # : 44 : TAILQ_INSERT_TAIL(&g_skipped_nvme_ctrlrs, entry, tailq);
# # # # #
# # # # #
# # # # #
# # # #
# ]
6038 : 3 : }
6039 : :
6040 [ # # ]: 509 : nvme_ctrlr->destruct = true;
6041 : 509 : return 0;
6042 : 61 : }
6043 : :
6044 : : static int
6045 : 63 : bdev_nvme_delete_ctrlr(struct nvme_ctrlr *nvme_ctrlr, bool hotplug)
6046 : : {
6047 : : int rc;
6048 : :
6049 [ - + # # ]: 63 : pthread_mutex_lock(&nvme_ctrlr->mutex);
6050 [ # # ]: 63 : rc = bdev_nvme_delete_ctrlr_unsafe(nvme_ctrlr, hotplug);
6051 [ - + # # ]: 63 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6052 : :
6053 [ + + ]: 63 : if (rc == 0) {
6054 : 63 : _nvme_ctrlr_destruct(nvme_ctrlr);
6055 [ # # ]: 2 : } else if (rc == -EALREADY) {
6056 : 0 : rc = 0;
6057 : 0 : }
6058 : :
6059 : 63 : return rc;
6060 : : }
6061 : :
6062 : : static void
6063 : 48 : remove_cb(void *cb_ctx, struct spdk_nvme_ctrlr *ctrlr)
6064 : : {
6065 : 48 : struct nvme_ctrlr *nvme_ctrlr = cb_ctx;
6066 : :
6067 : 48 : bdev_nvme_delete_ctrlr(nvme_ctrlr, true);
6068 : 48 : }
6069 : :
6070 : : static int
6071 : 6170 : bdev_nvme_hotplug_probe(void *arg)
6072 : : {
6073 [ - + ]: 6170 : if (g_hotplug_probe_ctx == NULL) {
6074 : 0 : spdk_poller_unregister(&g_hotplug_probe_poller);
6075 : 0 : return SPDK_POLLER_IDLE;
6076 : : }
6077 : :
6078 [ + + ]: 6170 : if (spdk_nvme_probe_poll_async(g_hotplug_probe_ctx) != -EAGAIN) {
6079 : 4033 : g_hotplug_probe_ctx = NULL;
6080 : 4033 : spdk_poller_unregister(&g_hotplug_probe_poller);
6081 : 0 : }
6082 : :
6083 : 6170 : return SPDK_POLLER_BUSY;
6084 : 0 : }
6085 : :
6086 : : static int
6087 : 4041 : bdev_nvme_hotplug(void *arg)
6088 : : {
6089 : 1943 : struct spdk_nvme_transport_id trid_pcie;
6090 : :
6091 [ + + ]: 4041 : if (g_hotplug_probe_ctx) {
6092 : 8 : return SPDK_POLLER_BUSY;
6093 : : }
6094 : :
6095 [ - + ]: 4033 : memset(&trid_pcie, 0, sizeof(trid_pcie));
6096 : 4033 : spdk_nvme_trid_populate_transport(&trid_pcie, SPDK_NVME_TRANSPORT_PCIE);
6097 : :
6098 : 4033 : g_hotplug_probe_ctx = spdk_nvme_probe_async(&trid_pcie, NULL,
6099 : : hotplug_probe_cb, attach_cb, NULL);
6100 : :
6101 [ + - ]: 4033 : if (g_hotplug_probe_ctx) {
6102 [ - + # # ]: 4033 : assert(g_hotplug_probe_poller == NULL);
6103 : 4033 : g_hotplug_probe_poller = SPDK_POLLER_REGISTER(bdev_nvme_hotplug_probe, NULL, 1000);
6104 : 0 : }
6105 : :
6106 : 4033 : return SPDK_POLLER_BUSY;
6107 : 0 : }
6108 : :
6109 : : void
6110 : 470 : bdev_nvme_get_opts(struct spdk_bdev_nvme_opts *opts)
6111 : : {
6112 : 470 : *opts = g_opts;
6113 : 470 : }
6114 : :
6115 : : static bool bdev_nvme_check_io_error_resiliency_params(int32_t ctrlr_loss_timeout_sec,
6116 : : uint32_t reconnect_delay_sec,
6117 : : uint32_t fast_io_fail_timeout_sec);
6118 : :
6119 : : static int
6120 : 470 : bdev_nvme_validate_opts(const struct spdk_bdev_nvme_opts *opts)
6121 : : {
6122 [ + + + + : 470 : if ((opts->timeout_us == 0) && (opts->timeout_admin_us != 0)) {
+ - + - +
- + - ]
6123 : : /* Can't set timeout_admin_us without also setting timeout_us */
6124 : 0 : SPDK_WARNLOG("Invalid options: Can't have (timeout_us == 0) with (timeout_admin_us > 0)\n");
6125 : 0 : return -EINVAL;
6126 : : }
6127 : :
6128 [ + + + - : 470 : if (opts->bdev_retry_count < -1) {
- + ]
6129 : 0 : SPDK_WARNLOG("Invalid option: bdev_retry_count can't be less than -1.\n");
6130 : 0 : return -EINVAL;
6131 : : }
6132 : :
6133 [ + + + - : 513 : if (!bdev_nvme_check_io_error_resiliency_params(opts->ctrlr_loss_timeout_sec,
+ - ]
6134 [ + - + - ]: 470 : opts->reconnect_delay_sec,
6135 [ + - + - ]: 470 : opts->fast_io_fail_timeout_sec)) {
6136 : 0 : return -EINVAL;
6137 : : }
6138 : :
6139 : 470 : return 0;
6140 : 43 : }
6141 : :
6142 : : int
6143 : 470 : bdev_nvme_set_opts(const struct spdk_bdev_nvme_opts *opts)
6144 : : {
6145 : : int ret;
6146 : :
6147 : 470 : ret = bdev_nvme_validate_opts(opts);
6148 [ - + ]: 470 : if (ret) {
6149 : 0 : SPDK_WARNLOG("Failed to set nvme opts.\n");
6150 : 0 : return ret;
6151 : : }
6152 : :
6153 [ + + ]: 470 : if (g_bdev_nvme_init_thread != NULL) {
6154 [ - + ]: 179 : if (!TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
6155 : 0 : return -EPERM;
6156 : : }
6157 : 1 : }
6158 : :
6159 [ + - + + : 513 : if (opts->rdma_srq_size != 0 ||
+ - - + ]
6160 [ + - + - : 470 : opts->rdma_max_cq_size != 0 ||
+ - ]
6161 [ - + - + ]: 470 : opts->rdma_cm_event_timeout_ms != 0) {
6162 : 0 : struct spdk_nvme_transport_opts drv_opts;
6163 : :
6164 : 0 : spdk_nvme_transport_get_opts(&drv_opts, sizeof(drv_opts));
6165 [ # # # # : 0 : if (opts->rdma_srq_size != 0) {
# # ]
6166 [ # # # # ]: 0 : drv_opts.rdma_srq_size = opts->rdma_srq_size;
6167 : 0 : }
6168 [ # # # # : 0 : if (opts->rdma_max_cq_size != 0) {
# # ]
6169 [ # # # # : 0 : drv_opts.rdma_max_cq_size = opts->rdma_max_cq_size;
# # ]
6170 : 0 : }
6171 [ # # # # : 0 : if (opts->rdma_cm_event_timeout_ms != 0) {
# # ]
6172 [ # # # # : 0 : drv_opts.rdma_cm_event_timeout_ms = opts->rdma_cm_event_timeout_ms;
# # ]
6173 : 0 : }
6174 : :
6175 : 0 : ret = spdk_nvme_transport_set_opts(&drv_opts, sizeof(drv_opts));
6176 [ # # ]: 0 : if (ret) {
6177 : 0 : SPDK_ERRLOG("Failed to set NVMe transport opts.\n");
6178 : 0 : return ret;
6179 : : }
6180 : 0 : }
6181 : :
6182 : 470 : g_opts = *opts;
6183 : :
6184 : 470 : return 0;
6185 : 43 : }
6186 : :
6187 : : struct set_nvme_hotplug_ctx {
6188 : : uint64_t period_us;
6189 : : bool enabled;
6190 : : spdk_msg_fn fn;
6191 : : void *fn_ctx;
6192 : : };
6193 : :
6194 : : static void
6195 : 292 : set_nvme_hotplug_period_cb(void *_ctx)
6196 : : {
6197 : 292 : struct set_nvme_hotplug_ctx *ctx = _ctx;
6198 : :
6199 : 292 : spdk_poller_unregister(&g_hotplug_poller);
6200 [ + + + + : 292 : if (ctx->enabled) {
+ - - + ]
6201 [ # # # # ]: 12 : g_hotplug_poller = SPDK_POLLER_REGISTER(bdev_nvme_hotplug, NULL, ctx->period_us);
6202 : 0 : } else {
6203 : 280 : g_hotplug_poller = SPDK_POLLER_REGISTER(bdev_nvme_remove_poller, NULL,
6204 : : NVME_HOTPLUG_POLL_PERIOD_DEFAULT);
6205 : : }
6206 : :
6207 [ + - + - ]: 292 : g_nvme_hotplug_poll_period_us = ctx->period_us;
6208 [ + + + - : 292 : g_nvme_hotplug_enabled = ctx->enabled;
+ - ]
6209 [ + + + - : 292 : if (ctx->fn) {
+ - ]
6210 [ + - + - : 292 : ctx->fn(ctx->fn_ctx);
- + + - +
- + - ]
6211 : 41 : }
6212 : :
6213 : 292 : free(ctx);
6214 : 292 : }
6215 : :
6216 : : int
6217 : 292 : bdev_nvme_set_hotplug(bool enabled, uint64_t period_us, spdk_msg_fn cb, void *cb_ctx)
6218 : : {
6219 : : struct set_nvme_hotplug_ctx *ctx;
6220 : :
6221 [ + + - + : 292 : if (enabled == true && !spdk_process_is_primary()) {
# # ]
6222 : 0 : return -EPERM;
6223 : : }
6224 : :
6225 : 292 : ctx = calloc(1, sizeof(*ctx));
6226 [ + + ]: 292 : if (ctx == NULL) {
6227 : 0 : return -ENOMEM;
6228 : : }
6229 : :
6230 [ + + ]: 292 : period_us = period_us == 0 ? NVME_HOTPLUG_POLL_PERIOD_DEFAULT : period_us;
6231 [ + - - + : 292 : ctx->period_us = spdk_min(period_us, NVME_HOTPLUG_POLL_PERIOD_MAX);
- + ]
6232 [ - + - + : 292 : ctx->enabled = enabled;
- + ]
6233 [ - + - + ]: 292 : ctx->fn = cb;
6234 [ - + - + ]: 292 : ctx->fn_ctx = cb_ctx;
6235 : :
6236 : 292 : spdk_thread_send_msg(g_bdev_nvme_init_thread, set_nvme_hotplug_period_cb, ctx);
6237 : 292 : return 0;
6238 : 41 : }
6239 : :
6240 : : static void
6241 : 909 : nvme_ctrlr_populate_namespaces_done(struct nvme_ctrlr *nvme_ctrlr,
6242 : : struct nvme_async_probe_ctx *ctx)
6243 : : {
6244 : : struct nvme_ns *nvme_ns;
6245 : : struct nvme_bdev *nvme_bdev;
6246 : : size_t j;
6247 : :
6248 [ + + # # ]: 909 : assert(nvme_ctrlr != NULL);
6249 : :
6250 [ + + + - : 909 : if (ctx->names == NULL) {
+ - ]
6251 [ # # # # ]: 21 : ctx->reported_bdevs = 0;
6252 : 21 : populate_namespaces_cb(ctx, 0);
6253 : 21 : return;
6254 : : }
6255 : :
6256 : : /*
6257 : : * Report the new bdevs that were created in this call.
6258 : : * There can be more than one bdev per NVMe controller.
6259 : : */
6260 : 888 : j = 0;
6261 : 888 : nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
6262 [ + + ]: 1797 : while (nvme_ns != NULL) {
6263 [ + - + - ]: 909 : nvme_bdev = nvme_ns->bdev;
6264 [ + - + - : 909 : if (j < ctx->max_bdevs) {
+ - ]
6265 [ + - + - : 909 : ctx->names[j] = nvme_bdev->disk.name;
+ - + - +
- + - +
- ]
6266 : 909 : j++;
6267 : 60 : } else {
6268 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6269 : : "Maximum number of namespaces supported per NVMe controller is %du. "
6270 : : "Unable to return all names of created bdevs\n",
6271 : : ctx->max_bdevs);
6272 [ # # # # ]: 0 : ctx->reported_bdevs = 0;
6273 : 0 : populate_namespaces_cb(ctx, -ERANGE);
6274 : 0 : return;
6275 : : }
6276 : :
6277 : 909 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns);
6278 : : }
6279 : :
6280 [ + - + - ]: 888 : ctx->reported_bdevs = j;
6281 : 888 : populate_namespaces_cb(ctx, 0);
6282 : 58 : }
6283 : :
6284 : : static int
6285 : 40 : bdev_nvme_check_secondary_trid(struct nvme_ctrlr *nvme_ctrlr,
6286 : : struct spdk_nvme_ctrlr *new_ctrlr,
6287 : : struct spdk_nvme_transport_id *trid)
6288 : : {
6289 : : struct nvme_path_id *tmp_trid;
6290 : :
6291 [ - + # # : 40 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # ]
6292 [ # # # # : 0 : NVME_CTRLR_ERRLOG(nvme_ctrlr, "PCIe failover is not supported.\n");
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
6293 : 0 : return -ENOTSUP;
6294 : : }
6295 : :
6296 : : /* Currently we only support failover to the same transport type. */
6297 [ - + # # : 40 : if (nvme_ctrlr->active_path_id->trid.trtype != trid->trtype) {
# # # # #
# # # # #
# # ]
6298 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6299 : : "Failover from trtype: %s to a different trtype: %s is not supported currently\n",
6300 : : spdk_nvme_transport_id_trtype_str(nvme_ctrlr->active_path_id->trid.trtype),
6301 : : spdk_nvme_transport_id_trtype_str(trid->trtype));
6302 : 0 : return -EINVAL;
6303 : : }
6304 : :
6305 : :
6306 : : /* Currently we only support failover to the same NQN. */
6307 [ - + - + : 40 : if (strncmp(trid->subnqn, nvme_ctrlr->active_path_id->trid.subnqn, SPDK_NVMF_NQN_MAX_LEN)) {
- + # # #
# # # # #
# # ]
6308 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr,
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
6309 : : "Failover from subnqn: %s to a different subnqn: %s is not supported currently\n",
6310 : : nvme_ctrlr->active_path_id->trid.subnqn, trid->subnqn);
6311 : 0 : return -EINVAL;
6312 : : }
6313 : :
6314 : : /* Skip all the other checks if we've already registered this path. */
6315 [ + + # # : 94 : TAILQ_FOREACH(tmp_trid, &nvme_ctrlr->trids, link) {
# # # # #
# # # #
# ]
6316 [ + + # # ]: 54 : if (!spdk_nvme_transport_id_compare(&tmp_trid->trid, trid)) {
6317 [ # # # # : 0 : NVME_CTRLR_WARNLOG(nvme_ctrlr, "This path (traddr: %s subnqn: %s) is already registered\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6318 : : trid->traddr, trid->subnqn);
6319 : 0 : return -EALREADY;
6320 : : }
6321 : 12 : }
6322 : :
6323 : 40 : return 0;
6324 : 9 : }
6325 : :
6326 : : static int
6327 : 40 : bdev_nvme_check_secondary_namespace(struct nvme_ctrlr *nvme_ctrlr,
6328 : : struct spdk_nvme_ctrlr *new_ctrlr)
6329 : : {
6330 : : struct nvme_ns *nvme_ns;
6331 : : struct spdk_nvme_ns *new_ns;
6332 : :
6333 : 40 : nvme_ns = nvme_ctrlr_get_first_active_ns(nvme_ctrlr);
6334 [ + + ]: 44 : while (nvme_ns != NULL) {
6335 [ # # # # ]: 4 : new_ns = spdk_nvme_ctrlr_get_ns(new_ctrlr, nvme_ns->id);
6336 [ - + # # ]: 4 : assert(new_ns != NULL);
6337 : :
6338 [ - + # # : 4 : if (!bdev_nvme_compare_ns(nvme_ns->ns, new_ns)) {
# # ]
6339 : 0 : return -EINVAL;
6340 : : }
6341 : :
6342 : 4 : nvme_ns = nvme_ctrlr_get_next_active_ns(nvme_ctrlr, nvme_ns);
6343 : : }
6344 : :
6345 : 40 : return 0;
6346 : 9 : }
6347 : :
6348 : : static int
6349 : 40 : _bdev_nvme_add_secondary_trid(struct nvme_ctrlr *nvme_ctrlr,
6350 : : struct spdk_nvme_transport_id *trid)
6351 : : {
6352 : : struct nvme_path_id *active_id, *new_trid, *tmp_trid;
6353 : :
6354 : 40 : new_trid = calloc(1, sizeof(*new_trid));
6355 [ + + ]: 40 : if (new_trid == NULL) {
6356 : 0 : return -ENOMEM;
6357 : : }
6358 [ # # ]: 40 : new_trid->trid = *trid;
6359 : :
6360 [ # # # # ]: 40 : active_id = nvme_ctrlr->active_path_id;
6361 [ + + # # ]: 40 : assert(active_id != NULL);
6362 [ - + # # : 40 : assert(active_id == TAILQ_FIRST(&nvme_ctrlr->trids));
# # # # #
# ]
6363 : :
6364 : : /* Skip the active trid not to replace it until it is failed. */
6365 [ # # # # : 40 : tmp_trid = TAILQ_NEXT(active_id, link);
# # ]
6366 [ + + ]: 40 : if (tmp_trid == NULL) {
6367 : 26 : goto add_tail;
6368 : : }
6369 : :
6370 : : /* It means the trid is faled if its last failed time is non-zero.
6371 : : * Insert the new alternate trid before any failed trid.
6372 : : */
6373 [ - + + + : 23 : TAILQ_FOREACH_FROM(tmp_trid, &nvme_ctrlr->trids, link) {
# # # # #
# # # # #
# # ]
6374 [ + + # # : 14 : if (tmp_trid->last_failed_tsc != 0) {
# # ]
6375 [ # # # # : 5 : TAILQ_INSERT_BEFORE(tmp_trid, new_trid, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6376 : 5 : return 0;
6377 : : }
6378 : 4 : }
6379 : :
6380 : 7 : add_tail:
6381 [ # # # # : 35 : TAILQ_INSERT_TAIL(&nvme_ctrlr->trids, new_trid, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
6382 : 35 : return 0;
6383 : 9 : }
6384 : :
6385 : : /* This is the case that a secondary path is added to an existing
6386 : : * nvme_ctrlr for failover. After checking if it can access the same
6387 : : * namespaces as the primary path, it is disconnected until failover occurs.
6388 : : */
6389 : : static int
6390 : 40 : bdev_nvme_add_secondary_trid(struct nvme_ctrlr *nvme_ctrlr,
6391 : : struct spdk_nvme_ctrlr *new_ctrlr,
6392 : : struct spdk_nvme_transport_id *trid)
6393 : : {
6394 : : int rc;
6395 : :
6396 [ + + # # ]: 40 : assert(nvme_ctrlr != NULL);
6397 : :
6398 [ - + # # ]: 40 : pthread_mutex_lock(&nvme_ctrlr->mutex);
6399 : :
6400 : 40 : rc = bdev_nvme_check_secondary_trid(nvme_ctrlr, new_ctrlr, trid);
6401 [ - + ]: 40 : if (rc != 0) {
6402 : 0 : goto exit;
6403 : : }
6404 : :
6405 : 40 : rc = bdev_nvme_check_secondary_namespace(nvme_ctrlr, new_ctrlr);
6406 [ - + ]: 40 : if (rc != 0) {
6407 : 0 : goto exit;
6408 : : }
6409 : :
6410 : 40 : rc = _bdev_nvme_add_secondary_trid(nvme_ctrlr, trid);
6411 : :
6412 : 31 : exit:
6413 [ - + # # ]: 40 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6414 : :
6415 : 40 : spdk_nvme_detach(new_ctrlr);
6416 : :
6417 : 40 : return rc;
6418 : : }
6419 : :
6420 : : static void
6421 : 913 : connect_attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
6422 : : struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
6423 : : {
6424 : 913 : struct spdk_nvme_ctrlr_opts *user_opts = cb_ctx;
6425 : : struct nvme_async_probe_ctx *ctx;
6426 : : int rc;
6427 : :
6428 : 913 : ctx = SPDK_CONTAINEROF(user_opts, struct nvme_async_probe_ctx, drv_opts);
6429 [ + - + - ]: 913 : ctx->ctrlr_attached = true;
6430 : :
6431 [ + - + - : 913 : rc = nvme_ctrlr_create(ctrlr, ctx->base_name, &ctx->trid, ctx);
+ - ]
6432 [ + + ]: 913 : if (rc != 0) {
6433 [ # # # # ]: 4 : ctx->reported_bdevs = 0;
6434 : 4 : populate_namespaces_cb(ctx, rc);
6435 : 1 : }
6436 : 913 : }
6437 : :
6438 : :
6439 : : static void
6440 : 20 : connect_set_failover_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
6441 : : struct spdk_nvme_ctrlr *ctrlr,
6442 : : const struct spdk_nvme_ctrlr_opts *opts)
6443 : : {
6444 : 20 : struct spdk_nvme_ctrlr_opts *user_opts = cb_ctx;
6445 : : struct nvme_ctrlr *nvme_ctrlr;
6446 : : struct nvme_async_probe_ctx *ctx;
6447 : : int rc;
6448 : :
6449 : 20 : ctx = SPDK_CONTAINEROF(user_opts, struct nvme_async_probe_ctx, drv_opts);
6450 [ # # # # ]: 20 : ctx->ctrlr_attached = true;
6451 : :
6452 [ # # # # ]: 20 : nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->base_name);
6453 [ + - ]: 20 : if (nvme_ctrlr) {
6454 [ # # ]: 20 : rc = bdev_nvme_add_secondary_trid(nvme_ctrlr, ctrlr, &ctx->trid);
6455 : 4 : } else {
6456 : 0 : rc = -ENODEV;
6457 : : }
6458 : :
6459 [ # # # # ]: 20 : ctx->reported_bdevs = 0;
6460 : 20 : populate_namespaces_cb(ctx, rc);
6461 : 20 : }
6462 : :
6463 : : static int
6464 : 99839 : bdev_nvme_async_poll(void *arg)
6465 : : {
6466 : 99839 : struct nvme_async_probe_ctx *ctx = arg;
6467 : : int rc;
6468 : :
6469 [ + - + - ]: 99839 : rc = spdk_nvme_probe_poll_async(ctx->probe_ctx);
6470 [ + + ]: 99839 : if (spdk_unlikely(rc != -EAGAIN)) {
6471 [ + - + - ]: 952 : ctx->probe_done = true;
6472 [ + - ]: 952 : spdk_poller_unregister(&ctx->poller);
6473 [ + + + + : 952 : if (!ctx->ctrlr_attached) {
+ - + - ]
6474 : : /* The probe is done, but no controller was attached.
6475 : : * That means we had a failure, so report -EIO back to
6476 : : * the caller (usually the RPC). populate_namespaces_cb()
6477 : : * will take care of freeing the nvme_async_probe_ctx.
6478 : : */
6479 [ # # # # ]: 19 : ctx->reported_bdevs = 0;
6480 : 19 : populate_namespaces_cb(ctx, -EIO);
6481 [ + + + + : 934 : } else if (ctx->namespaces_populated) {
+ - - + ]
6482 : : /* The namespaces for the attached controller were all
6483 : : * populated and the response was already sent to the
6484 : : * caller (usually the RPC). So free the context here.
6485 : : */
6486 : 726 : free_nvme_async_probe_ctx(ctx);
6487 : 32 : }
6488 : 64 : }
6489 : :
6490 : 99839 : return SPDK_POLLER_BUSY;
6491 : : }
6492 : :
6493 : : static bool
6494 : 1501 : bdev_nvme_check_io_error_resiliency_params(int32_t ctrlr_loss_timeout_sec,
6495 : : uint32_t reconnect_delay_sec,
6496 : : uint32_t fast_io_fail_timeout_sec)
6497 : : {
6498 [ + + ]: 1501 : if (ctrlr_loss_timeout_sec < -1) {
6499 : 4 : SPDK_ERRLOG("ctrlr_loss_timeout_sec can't be less than -1.\n");
6500 : 4 : return false;
6501 [ + + ]: 1497 : } else if (ctrlr_loss_timeout_sec == -1) {
6502 [ + + ]: 60 : if (reconnect_delay_sec == 0) {
6503 : 4 : SPDK_ERRLOG("reconnect_delay_sec can't be 0 if ctrlr_loss_timeout_sec is not 0.\n");
6504 : 4 : return false;
6505 [ + + + + ]: 56 : } else if (fast_io_fail_timeout_sec != 0 &&
6506 : 3 : fast_io_fail_timeout_sec < reconnect_delay_sec) {
6507 : 4 : SPDK_ERRLOG("reconnect_delay_sec can't be more than fast_io-fail_timeout_sec.\n");
6508 : 4 : return false;
6509 : : }
6510 [ + + ]: 1449 : } else if (ctrlr_loss_timeout_sec != 0) {
6511 [ + + ]: 53 : if (reconnect_delay_sec == 0) {
6512 : 4 : SPDK_ERRLOG("reconnect_delay_sec can't be 0 if ctrlr_loss_timeout_sec is not 0.\n");
6513 : 4 : return false;
6514 [ + + ]: 49 : } else if (reconnect_delay_sec > (uint32_t)ctrlr_loss_timeout_sec) {
6515 : 4 : SPDK_ERRLOG("reconnect_delay_sec can't be more than ctrlr_loss_timeout_sec.\n");
6516 : 4 : return false;
6517 [ + + ]: 45 : } else if (fast_io_fail_timeout_sec != 0) {
6518 [ + + ]: 27 : if (fast_io_fail_timeout_sec < reconnect_delay_sec) {
6519 : 4 : SPDK_ERRLOG("reconnect_delay_sec can't be more than fast_io_fail_timeout_sec.\n");
6520 : 4 : return false;
6521 [ + + ]: 23 : } else if (fast_io_fail_timeout_sec > (uint32_t)ctrlr_loss_timeout_sec) {
6522 : 4 : SPDK_ERRLOG("fast_io_fail_timeout_sec can't be more than ctrlr_loss_timeout_sec.\n");
6523 : 4 : return false;
6524 : : }
6525 : 4 : }
6526 [ + + + + ]: 1391 : } else if (reconnect_delay_sec != 0 || fast_io_fail_timeout_sec != 0) {
6527 : 8 : SPDK_ERRLOG("Both reconnect_delay_sec and fast_io_fail_timeout_sec must be 0 if ctrlr_loss_timeout_sec is 0.\n");
6528 : 8 : return false;
6529 : : }
6530 : :
6531 : 1465 : return true;
6532 : 126 : }
6533 : :
6534 : : int
6535 : 955 : spdk_bdev_nvme_create(struct spdk_nvme_transport_id *trid,
6536 : : const char *base_name,
6537 : : const char **names,
6538 : : uint32_t count,
6539 : : spdk_bdev_nvme_create_cb cb_fn,
6540 : : void *cb_ctx,
6541 : : struct spdk_nvme_ctrlr_opts *drv_opts,
6542 : : struct spdk_bdev_nvme_ctrlr_opts *bdev_opts)
6543 : : {
6544 : : struct nvme_probe_skip_entry *entry, *tmp;
6545 : : struct nvme_async_probe_ctx *ctx;
6546 : : spdk_nvme_attach_cb attach_cb;
6547 : : struct nvme_ctrlr *nvme_ctrlr;
6548 : : int len;
6549 : :
6550 : : /* TODO expand this check to include both the host and target TRIDs.
6551 : : * Only if both are the same should we fail.
6552 : : */
6553 [ + + - + ]: 955 : if (nvme_ctrlr_get(trid, drv_opts->hostnqn) != NULL) {
6554 [ # # # # ]: 0 : SPDK_ERRLOG("A controller with the provided trid (traddr: %s, hostnqn: %s) "
6555 : : "already exists.\n", trid->traddr, drv_opts->hostnqn);
6556 : 0 : return -EEXIST;
6557 : : }
6558 : :
6559 [ + + ]: 955 : len = strnlen(base_name, SPDK_CONTROLLER_NAME_MAX);
6560 : :
6561 [ + - - + ]: 955 : if (len == 0 || len == SPDK_CONTROLLER_NAME_MAX) {
6562 : 0 : SPDK_ERRLOG("controller name must be between 1 and %d characters\n", SPDK_CONTROLLER_NAME_MAX - 1);
6563 : 0 : return -EINVAL;
6564 : : }
6565 : :
6566 [ + - + - ]: 956 : if (bdev_opts != NULL &&
6567 [ + + + - ]: 1019 : !bdev_nvme_check_io_error_resiliency_params(bdev_opts->ctrlr_loss_timeout_sec,
6568 [ + - + - ]: 64 : bdev_opts->reconnect_delay_sec,
6569 [ + - + - ]: 64 : bdev_opts->fast_io_fail_timeout_sec)) {
6570 : 0 : return -EINVAL;
6571 : : }
6572 : :
6573 : 955 : ctx = calloc(1, sizeof(*ctx));
6574 [ + + ]: 955 : if (!ctx) {
6575 : 0 : return -ENOMEM;
6576 : : }
6577 [ + - + - ]: 955 : ctx->base_name = base_name;
6578 [ + - + - ]: 955 : ctx->names = names;
6579 [ + - + - ]: 955 : ctx->max_bdevs = count;
6580 [ + - + - ]: 955 : ctx->cb_fn = cb_fn;
6581 [ + - + - ]: 955 : ctx->cb_ctx = cb_ctx;
6582 [ + - ]: 955 : ctx->trid = *trid;
6583 : :
6584 [ + + ]: 955 : if (bdev_opts) {
6585 [ + + + + : 955 : memcpy(&ctx->bdev_opts, bdev_opts, sizeof(*bdev_opts));
+ - ]
6586 : 64 : } else {
6587 [ # # ]: 0 : spdk_bdev_nvme_get_default_ctrlr_opts(&ctx->bdev_opts);
6588 : : }
6589 : :
6590 [ + + + - : 955 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
- + ]
6591 [ + + + - : 470 : TAILQ_FOREACH_SAFE(entry, &g_skipped_nvme_ctrlrs, tailq, tmp) {
# # # # +
- ]
6592 [ + - # # ]: 2 : if (spdk_nvme_transport_id_compare(trid, &entry->trid) == 0) {
6593 [ - + # # : 2 : TAILQ_REMOVE(&g_skipped_nvme_ctrlrs, entry, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
6594 : 2 : free(entry);
6595 : 2 : break;
6596 : : }
6597 : 0 : }
6598 : 11 : }
6599 : :
6600 [ + + + + : 955 : memcpy(&ctx->drv_opts, drv_opts, sizeof(*drv_opts));
+ - ]
6601 [ + - + - : 955 : ctx->drv_opts.transport_retry_count = g_opts.transport_retry_count;
+ - + - ]
6602 [ + - + - : 955 : ctx->drv_opts.transport_ack_timeout = g_opts.transport_ack_timeout;
+ - + - ]
6603 [ + - + - : 955 : ctx->drv_opts.keep_alive_timeout_ms = g_opts.keep_alive_timeout_ms;
+ - + - ]
6604 [ + - + - : 955 : ctx->drv_opts.disable_read_ana_log_page = true;
+ - ]
6605 [ + - + - : 955 : ctx->drv_opts.transport_tos = g_opts.transport_tos;
+ - + - ]
6606 : :
6607 [ + + ]: 955 : if (spdk_interrupt_mode_is_enabled()) {
6608 [ # # # # : 0 : if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
# # ]
6609 [ # # # # : 0 : ctx->drv_opts.enable_interrupts = true;
# # ]
6610 : 0 : } else {
6611 : 0 : SPDK_ERRLOG("Interrupt mode is only supported with PCIe transport\n");
6612 : 0 : free_nvme_async_probe_ctx(ctx);
6613 : 0 : return -ENOTSUP;
6614 : : }
6615 : 0 : }
6616 : :
6617 [ + + + - : 955 : if (ctx->bdev_opts.psk != NULL) {
+ - + - ]
6618 [ # # # # : 21 : ctx->drv_opts.tls_psk = spdk_keyring_get_key(ctx->bdev_opts.psk);
# # # # #
# # # ]
6619 [ + + # # : 21 : if (ctx->drv_opts.tls_psk == NULL) {
# # # # ]
6620 [ # # # # : 2 : SPDK_ERRLOG("Could not load PSK: %s\n", ctx->bdev_opts.psk);
# # ]
6621 : 2 : free_nvme_async_probe_ctx(ctx);
6622 : 2 : return -ENOKEY;
6623 : : }
6624 : 0 : }
6625 : :
6626 [ + + + - : 953 : if (ctx->bdev_opts.dhchap_key != NULL) {
+ - + - ]
6627 [ # # # # : 166 : ctx->drv_opts.dhchap_key = spdk_keyring_get_key(ctx->bdev_opts.dhchap_key);
# # # # #
# # # ]
6628 [ - + # # : 166 : if (ctx->drv_opts.dhchap_key == NULL) {
# # # # ]
6629 [ # # # # : 0 : SPDK_ERRLOG("Could not load DH-HMAC-CHAP key: %s\n",
# # ]
6630 : : ctx->bdev_opts.dhchap_key);
6631 : 0 : free_nvme_async_probe_ctx(ctx);
6632 : 0 : return -ENOKEY;
6633 : : }
6634 : :
6635 [ # # # # : 166 : ctx->drv_opts.dhchap_digests = g_opts.dhchap_digests;
# # # # ]
6636 [ # # # # : 166 : ctx->drv_opts.dhchap_dhgroups = g_opts.dhchap_dhgroups;
# # # # ]
6637 : 0 : }
6638 [ + + + - : 953 : if (ctx->bdev_opts.dhchap_ctrlr_key != NULL) {
+ - + - ]
6639 [ # # # # : 125 : ctx->drv_opts.dhchap_ctrlr_key =
# # ]
6640 [ # # # # : 125 : spdk_keyring_get_key(ctx->bdev_opts.dhchap_ctrlr_key);
# # ]
6641 [ - + # # : 125 : if (ctx->drv_opts.dhchap_ctrlr_key == NULL) {
# # # # ]
6642 [ # # # # : 0 : SPDK_ERRLOG("Could not load DH-HMAC-CHAP controller key: %s\n",
# # ]
6643 : : ctx->bdev_opts.dhchap_ctrlr_key);
6644 : 0 : free_nvme_async_probe_ctx(ctx);
6645 : 0 : return -ENOKEY;
6646 : : }
6647 : 0 : }
6648 : :
6649 [ + + + + : 953 : if (nvme_bdev_ctrlr_get_by_name(base_name) == NULL || ctx->bdev_opts.multipath) {
+ + # # #
# # # ]
6650 : 933 : attach_cb = connect_attach_cb;
6651 : 60 : } else {
6652 : 20 : attach_cb = connect_set_failover_cb;
6653 : : }
6654 : :
6655 [ + - + - ]: 953 : nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->base_name);
6656 [ + + + + : 953 : if (nvme_ctrlr && nvme_ctrlr->opts.multipath != ctx->bdev_opts.multipath) {
- + - + #
# # # # #
# # # # #
# ]
6657 : : /* All controllers with the same name must be configured the same
6658 : : * way, either for multipath or failover. If the configuration doesn't
6659 : : * match - report error.
6660 : : */
6661 : 0 : free_nvme_async_probe_ctx(ctx);
6662 : 0 : return -EINVAL;
6663 : : }
6664 : :
6665 [ + - + - : 953 : ctx->probe_ctx = spdk_nvme_connect_async(trid, &ctx->drv_opts, attach_cb);
+ - ]
6666 [ + + + - : 953 : if (ctx->probe_ctx == NULL) {
+ - ]
6667 [ # # ]: 1 : SPDK_ERRLOG("No controller was found with provided trid (traddr: %s)\n", trid->traddr);
6668 : 1 : free_nvme_async_probe_ctx(ctx);
6669 : 1 : return -ENODEV;
6670 : : }
6671 [ + - + - ]: 952 : ctx->poller = SPDK_POLLER_REGISTER(bdev_nvme_async_poll, ctx, 1000);
6672 : :
6673 : 952 : return 0;
6674 : 64 : }
6675 : :
6676 : : struct bdev_nvme_delete_ctx {
6677 : : char *name;
6678 : : struct nvme_path_id path_id;
6679 : : bdev_nvme_delete_done_fn delete_done;
6680 : : void *delete_done_ctx;
6681 : : uint64_t timeout_ticks;
6682 : : struct spdk_poller *poller;
6683 : : };
6684 : :
6685 : : static void
6686 : 212 : free_bdev_nvme_delete_ctx(struct bdev_nvme_delete_ctx *ctx)
6687 : : {
6688 [ + + ]: 212 : if (ctx != NULL) {
6689 [ # # # # ]: 208 : free(ctx->name);
6690 : 208 : free(ctx);
6691 : 4 : }
6692 : 212 : }
6693 : :
6694 : : static bool
6695 : 20580 : nvme_path_id_compare(struct nvme_path_id *p, const struct nvme_path_id *path_id)
6696 : : {
6697 [ + + # # : 20580 : if (path_id->trid.trtype != 0) {
# # # # ]
6698 [ - + # # : 122 : if (path_id->trid.trtype == SPDK_NVME_TRANSPORT_CUSTOM) {
# # # # ]
6699 [ # # # # : 0 : if (strcasecmp(path_id->trid.trstring, p->trid.trstring) != 0) {
# # # # #
# # # #
# ]
6700 : 0 : return false;
6701 : : }
6702 : 0 : } else {
6703 [ - + # # : 122 : if (path_id->trid.trtype != p->trid.trtype) {
# # # # #
# # # #
# ]
6704 : 0 : return false;
6705 : : }
6706 : : }
6707 : 21 : }
6708 : :
6709 [ + + # # : 20580 : if (!spdk_mem_all_zero(path_id->trid.traddr, sizeof(path_id->trid.traddr))) {
# # ]
6710 [ + + - + : 122 : if (strcasecmp(path_id->trid.traddr, p->trid.traddr) != 0) {
+ + # # #
# # # #
# ]
6711 : 44 : return false;
6712 : : }
6713 : 10 : }
6714 : :
6715 [ + + # # : 20536 : if (path_id->trid.adrfam != 0) {
# # # # ]
6716 [ - + # # : 38 : if (path_id->trid.adrfam != p->trid.adrfam) {
# # # # #
# # # #
# ]
6717 : 0 : return false;
6718 : : }
6719 : 0 : }
6720 : :
6721 [ + + # # : 20536 : if (!spdk_mem_all_zero(path_id->trid.trsvcid, sizeof(path_id->trid.trsvcid))) {
# # ]
6722 [ - + - + : 78 : if (strcasecmp(path_id->trid.trsvcid, p->trid.trsvcid) != 0) {
+ + # # #
# # # #
# ]
6723 : 7 : return false;
6724 : : }
6725 : 10 : }
6726 : :
6727 [ + + # # : 20529 : if (!spdk_mem_all_zero(path_id->trid.subnqn, sizeof(path_id->trid.subnqn))) {
# # ]
6728 [ - + - + : 71 : if (strcmp(path_id->trid.subnqn, p->trid.subnqn) != 0) {
- + # # #
# # # #
# ]
6729 : 0 : return false;
6730 : : }
6731 : 10 : }
6732 : :
6733 [ + + # # : 20529 : if (!spdk_mem_all_zero(path_id->hostid.hostaddr, sizeof(path_id->hostid.hostaddr))) {
# # ]
6734 [ # # # # : 0 : if (strcmp(path_id->hostid.hostaddr, p->hostid.hostaddr) != 0) {
# # # # #
# # # #
# ]
6735 : 0 : return false;
6736 : : }
6737 : 0 : }
6738 : :
6739 [ + + # # : 20529 : if (!spdk_mem_all_zero(path_id->hostid.hostsvcid, sizeof(path_id->hostid.hostsvcid))) {
# # ]
6740 [ # # # # : 0 : if (strcmp(path_id->hostid.hostsvcid, p->hostid.hostsvcid) != 0) {
# # # # #
# # # #
# ]
6741 : 0 : return false;
6742 : : }
6743 : 0 : }
6744 : :
6745 : 20529 : return true;
6746 : 94 : }
6747 : :
6748 : : static bool
6749 : 20257 : nvme_path_id_exists(const char *name, const struct nvme_path_id *path_id)
6750 : : {
6751 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
6752 : : struct nvme_ctrlr *ctrlr;
6753 : : struct nvme_path_id *p;
6754 : :
6755 [ - + ]: 20257 : pthread_mutex_lock(&g_bdev_nvme_mutex);
6756 : 20257 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
6757 [ + + ]: 20257 : if (!nbdev_ctrlr) {
6758 [ - + ]: 206 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6759 : 206 : return false;
6760 : : }
6761 : :
6762 [ + + # # : 20053 : TAILQ_FOREACH(ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
6763 [ - + # # ]: 20051 : pthread_mutex_lock(&ctrlr->mutex);
6764 [ + + # # : 20054 : TAILQ_FOREACH(p, &ctrlr->trids, link) {
# # # # #
# # # #
# ]
6765 [ + + ]: 20052 : if (nvme_path_id_compare(p, path_id)) {
6766 [ - + # # ]: 20049 : pthread_mutex_unlock(&ctrlr->mutex);
6767 [ - + ]: 20049 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6768 : 20049 : return true;
6769 : : }
6770 : 0 : }
6771 [ - + # # ]: 2 : pthread_mutex_unlock(&ctrlr->mutex);
6772 : 0 : }
6773 [ - + ]: 2 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6774 : :
6775 : 2 : return false;
6776 : 20 : }
6777 : :
6778 : : static int
6779 : 20257 : bdev_nvme_delete_complete_poll(void *arg)
6780 : : {
6781 : 20257 : struct bdev_nvme_delete_ctx *ctx = arg;
6782 : 20257 : int rc = 0;
6783 : :
6784 [ + + # # : 20257 : if (nvme_path_id_exists(ctx->name, &ctx->path_id)) {
# # # # ]
6785 [ + - # # : 20049 : if (ctx->timeout_ticks > spdk_get_ticks()) {
# # ]
6786 : 20049 : return SPDK_POLLER_BUSY;
6787 : : }
6788 : :
6789 [ # # # # ]: 0 : SPDK_ERRLOG("NVMe path '%s' still exists after delete\n", ctx->name);
6790 : 0 : rc = -ETIMEDOUT;
6791 : 0 : }
6792 : :
6793 [ # # ]: 208 : spdk_poller_unregister(&ctx->poller);
6794 : :
6795 [ # # # # : 208 : ctx->delete_done(ctx->delete_done_ctx, rc);
# # # # #
# # # ]
6796 : 208 : free_bdev_nvme_delete_ctx(ctx);
6797 : :
6798 : 208 : return SPDK_POLLER_BUSY;
6799 : 20 : }
6800 : :
6801 : : static int
6802 : 485 : _bdev_nvme_delete(struct nvme_ctrlr *nvme_ctrlr, const struct nvme_path_id *path_id)
6803 : : {
6804 : : struct nvme_path_id *p, *t;
6805 : : spdk_msg_fn msg_fn;
6806 : 485 : int rc = -ENXIO;
6807 : :
6808 [ - + # # ]: 485 : pthread_mutex_lock(&nvme_ctrlr->mutex);
6809 : :
6810 [ + + - + : 528 : TAILQ_FOREACH_REVERSE_SAFE(p, &nvme_ctrlr->trids, nvme_paths, link, t) {
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
6811 [ + + # # : 528 : if (p == TAILQ_FIRST(&nvme_ctrlr->trids)) {
# # # # ]
6812 : 485 : break;
6813 : : }
6814 : :
6815 [ + + ]: 43 : if (!nvme_path_id_compare(p, path_id)) {
6816 : 14 : continue;
6817 : : }
6818 : :
6819 : : /* We are not using the specified path. */
6820 [ + + # # : 29 : TAILQ_REMOVE(&nvme_ctrlr->trids, p, link);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
6821 : 29 : free(p);
6822 : 29 : rc = 0;
6823 : 7 : }
6824 : :
6825 [ + - + + ]: 485 : if (p == NULL || !nvme_path_id_compare(p, path_id)) {
6826 [ - + # # ]: 34 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6827 : 34 : return rc;
6828 : : }
6829 : :
6830 : : /* If we made it here, then this path is a match! Now we need to remove it. */
6831 : :
6832 : : /* This is the active path in use right now. The active path is always the first in the list. */
6833 [ + + # # : 451 : assert(p == nvme_ctrlr->active_path_id);
# # # # ]
6834 : :
6835 [ + + # # : 451 : if (!TAILQ_NEXT(p, link)) {
# # # # ]
6836 : : /* The current path is the only path. */
6837 : 446 : msg_fn = _nvme_ctrlr_destruct;
6838 : 446 : rc = bdev_nvme_delete_ctrlr_unsafe(nvme_ctrlr, false);
6839 : 59 : } else {
6840 : : /* There is an alternative path. */
6841 : 5 : msg_fn = _bdev_nvme_reset_ctrlr;
6842 : 5 : rc = bdev_nvme_failover_ctrlr_unsafe(nvme_ctrlr, true);
6843 : : }
6844 : :
6845 [ - + # # ]: 451 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
6846 : :
6847 [ + + ]: 451 : if (rc == 0) {
6848 [ # # # # ]: 451 : spdk_thread_send_msg(nvme_ctrlr->thread, msg_fn, nvme_ctrlr);
6849 [ # # ]: 60 : } else if (rc == -EALREADY) {
6850 : 0 : rc = 0;
6851 : 0 : }
6852 : :
6853 : 451 : return rc;
6854 : 68 : }
6855 : :
6856 : : int
6857 : 424 : bdev_nvme_delete(const char *name, const struct nvme_path_id *path_id,
6858 : : bdev_nvme_delete_done_fn delete_done, void *delete_done_ctx)
6859 : : {
6860 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
6861 : : struct nvme_ctrlr *nvme_ctrlr, *tmp_nvme_ctrlr;
6862 : 424 : struct bdev_nvme_delete_ctx *ctx = NULL;
6863 : 424 : int rc = -ENXIO, _rc;
6864 : :
6865 [ + - - + ]: 424 : if (name == NULL || path_id == NULL) {
6866 : 0 : rc = -EINVAL;
6867 : 0 : goto exit;
6868 : : }
6869 : :
6870 [ - + ]: 424 : pthread_mutex_lock(&g_bdev_nvme_mutex);
6871 : :
6872 : 424 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
6873 [ + + ]: 424 : if (nbdev_ctrlr == NULL) {
6874 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6875 : :
6876 : 0 : SPDK_ERRLOG("Failed to find NVMe bdev controller\n");
6877 : 0 : rc = -ENODEV;
6878 : 0 : goto exit;
6879 : : }
6880 : :
6881 [ + + + + : 909 : TAILQ_FOREACH_SAFE(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq, tmp_nvme_ctrlr) {
# # # # #
# # # # #
# # ]
6882 : 485 : _rc = _bdev_nvme_delete(nvme_ctrlr, path_id);
6883 [ + + + + ]: 485 : if (_rc < 0 && _rc != -ENXIO) {
6884 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6885 : 0 : rc = _rc;
6886 : 0 : goto exit;
6887 [ + + ]: 485 : } else if (_rc == 0) {
6888 : : /* We traverse all remaining nvme_ctrlrs even if one nvme_ctrlr
6889 : : * was deleted successfully. To remember the successful deletion,
6890 : : * overwrite rc only if _rc is zero.
6891 : : */
6892 : 460 : rc = 0;
6893 : 62 : }
6894 : 68 : }
6895 : :
6896 [ - + ]: 424 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
6897 : :
6898 [ + + + + ]: 424 : if (rc != 0 || delete_done == NULL) {
6899 : 216 : goto exit;
6900 : : }
6901 : :
6902 : 208 : ctx = calloc(1, sizeof(*ctx));
6903 [ + + ]: 208 : if (ctx == NULL) {
6904 : 0 : SPDK_ERRLOG("Failed to allocate context for bdev_nvme_delete\n");
6905 : 0 : rc = -ENOMEM;
6906 : 0 : goto exit;
6907 : : }
6908 : :
6909 [ - + # # : 208 : ctx->name = strdup(name);
# # ]
6910 [ + + # # : 208 : if (ctx->name == NULL) {
# # ]
6911 : 0 : SPDK_ERRLOG("Failed to copy controller name for deletion\n");
6912 : 0 : rc = -ENOMEM;
6913 : 0 : goto exit;
6914 : : }
6915 : :
6916 [ # # # # ]: 208 : ctx->delete_done = delete_done;
6917 [ # # # # ]: 208 : ctx->delete_done_ctx = delete_done_ctx;
6918 [ # # ]: 208 : ctx->path_id = *path_id;
6919 [ # # # # ]: 208 : ctx->timeout_ticks = spdk_get_ticks() + 10 * spdk_get_ticks_hz();
6920 [ # # # # ]: 208 : ctx->poller = SPDK_POLLER_REGISTER(bdev_nvme_delete_complete_poll, ctx, 1000);
6921 [ + + # # : 208 : if (ctx->poller == NULL) {
# # ]
6922 : 0 : SPDK_ERRLOG("Failed to register bdev_nvme_delete poller\n");
6923 : 0 : rc = -ENOMEM;
6924 : 0 : goto exit;
6925 : : }
6926 : :
6927 : 204 : exit:
6928 [ + + ]: 424 : if (rc != 0) {
6929 : 4 : free_bdev_nvme_delete_ctx(ctx);
6930 : 1 : }
6931 : :
6932 : 424 : return rc;
6933 : : }
6934 : :
6935 : : #define DISCOVERY_INFOLOG(ctx, format, ...) \
6936 : : SPDK_INFOLOG(bdev_nvme, "Discovery[%s:%s] " format, ctx->trid.traddr, ctx->trid.trsvcid, ##__VA_ARGS__);
6937 : :
6938 : : #define DISCOVERY_ERRLOG(ctx, format, ...) \
6939 : : SPDK_ERRLOG("Discovery[%s:%s] " format, ctx->trid.traddr, ctx->trid.trsvcid, ##__VA_ARGS__);
6940 : :
6941 : : struct discovery_entry_ctx {
6942 : : char name[128];
6943 : : struct spdk_nvme_transport_id trid;
6944 : : struct spdk_nvme_ctrlr_opts drv_opts;
6945 : : struct spdk_nvmf_discovery_log_page_entry entry;
6946 : : TAILQ_ENTRY(discovery_entry_ctx) tailq;
6947 : : struct discovery_ctx *ctx;
6948 : : };
6949 : :
6950 : : struct discovery_ctx {
6951 : : char *name;
6952 : : spdk_bdev_nvme_start_discovery_fn start_cb_fn;
6953 : : spdk_bdev_nvme_stop_discovery_fn stop_cb_fn;
6954 : : void *cb_ctx;
6955 : : struct spdk_nvme_probe_ctx *probe_ctx;
6956 : : struct spdk_nvme_detach_ctx *detach_ctx;
6957 : : struct spdk_nvme_ctrlr *ctrlr;
6958 : : struct spdk_nvme_transport_id trid;
6959 : : struct discovery_entry_ctx *entry_ctx_in_use;
6960 : : struct spdk_poller *poller;
6961 : : struct spdk_nvme_ctrlr_opts drv_opts;
6962 : : struct spdk_bdev_nvme_ctrlr_opts bdev_opts;
6963 : : struct spdk_nvmf_discovery_log_page *log_page;
6964 : : TAILQ_ENTRY(discovery_ctx) tailq;
6965 : : TAILQ_HEAD(, discovery_entry_ctx) nvm_entry_ctxs;
6966 : : TAILQ_HEAD(, discovery_entry_ctx) discovery_entry_ctxs;
6967 : : int rc;
6968 : : bool wait_for_attach;
6969 : : uint64_t timeout_ticks;
6970 : : /* Denotes that the discovery service is being started. We're waiting
6971 : : * for the initial connection to the discovery controller to be
6972 : : * established and attach discovered NVM ctrlrs.
6973 : : */
6974 : : bool initializing;
6975 : : /* Denotes if a discovery is currently in progress for this context.
6976 : : * That includes connecting to newly discovered subsystems. Used to
6977 : : * ensure we do not start a new discovery until an existing one is
6978 : : * complete.
6979 : : */
6980 : : bool in_progress;
6981 : :
6982 : : /* Denotes if another discovery is needed after the one in progress
6983 : : * completes. Set when we receive an AER completion while a discovery
6984 : : * is already in progress.
6985 : : */
6986 : : bool pending;
6987 : :
6988 : : /* Signal to the discovery context poller that it should stop the
6989 : : * discovery service, including detaching from the current discovery
6990 : : * controller.
6991 : : */
6992 : : bool stop;
6993 : :
6994 : : struct spdk_thread *calling_thread;
6995 : : uint32_t index;
6996 : : uint32_t attach_in_progress;
6997 : : char *hostnqn;
6998 : :
6999 : : /* Denotes if the discovery service was started by the mdns discovery.
7000 : : */
7001 : : bool from_mdns_discovery_service;
7002 : : };
7003 : :
7004 : : TAILQ_HEAD(discovery_ctxs, discovery_ctx);
7005 : : static struct discovery_ctxs g_discovery_ctxs = TAILQ_HEAD_INITIALIZER(g_discovery_ctxs);
7006 : :
7007 : : static void get_discovery_log_page(struct discovery_ctx *ctx);
7008 : :
7009 : : static void
7010 : 22 : free_discovery_ctx(struct discovery_ctx *ctx)
7011 : : {
7012 [ # # # # ]: 22 : free(ctx->log_page);
7013 [ # # # # ]: 22 : free(ctx->hostnqn);
7014 [ # # # # ]: 22 : free(ctx->name);
7015 : 22 : free(ctx);
7016 : 22 : }
7017 : :
7018 : : static void
7019 : 23 : discovery_complete(struct discovery_ctx *ctx)
7020 : : {
7021 [ # # # # ]: 23 : ctx->initializing = false;
7022 [ # # # # ]: 23 : ctx->in_progress = false;
7023 [ - + - + : 23 : if (ctx->pending) {
# # # # ]
7024 [ # # # # ]: 0 : ctx->pending = false;
7025 : 0 : get_discovery_log_page(ctx);
7026 : 0 : }
7027 : 23 : }
7028 : :
7029 : : static void
7030 : 77 : build_trid_from_log_page_entry(struct spdk_nvme_transport_id *trid,
7031 : : struct spdk_nvmf_discovery_log_page_entry *entry)
7032 : : {
7033 : : char *space;
7034 : :
7035 [ # # # # : 77 : trid->trtype = entry->trtype;
# # # # ]
7036 [ # # # # : 77 : trid->adrfam = entry->adrfam;
# # # # ]
7037 [ - + - + : 77 : memcpy(trid->traddr, entry->traddr, sizeof(entry->traddr));
# # # # ]
7038 [ # # # # : 77 : memcpy(trid->trsvcid, entry->trsvcid, sizeof(entry->trsvcid));
# # # # ]
7039 : : /* Because the source buffer (entry->subnqn) is longer than trid->subnqn, and
7040 : : * before call to this function trid->subnqn is zeroed out, we need
7041 : : * to copy sizeof(trid->subnqn) minus one byte to make sure the last character
7042 : : * remains 0. Then we can shorten the string (replace ' ' with 0) if required
7043 : : */
7044 [ - + - + : 77 : memcpy(trid->subnqn, entry->subnqn, sizeof(trid->subnqn) - 1);
# # # # ]
7045 : :
7046 : : /* We want the traddr, trsvcid and subnqn fields to be NULL-terminated.
7047 : : * But the log page entries typically pad them with spaces, not zeroes.
7048 : : * So add a NULL terminator to each of these fields at the appropriate
7049 : : * location.
7050 : : */
7051 [ - + # # ]: 77 : space = strchr(trid->traddr, ' ');
7052 [ + - ]: 77 : if (space) {
7053 [ # # ]: 77 : *space = 0;
7054 : 0 : }
7055 [ - + # # ]: 77 : space = strchr(trid->trsvcid, ' ');
7056 [ + - ]: 77 : if (space) {
7057 [ # # ]: 77 : *space = 0;
7058 : 0 : }
7059 [ - + # # ]: 77 : space = strchr(trid->subnqn, ' ');
7060 [ - + ]: 77 : if (space) {
7061 [ # # ]: 0 : *space = 0;
7062 : 0 : }
7063 : 77 : }
7064 : :
7065 : : static void
7066 : 22 : _stop_discovery(void *_ctx)
7067 : : {
7068 : 22 : struct discovery_ctx *ctx = _ctx;
7069 : :
7070 [ - + # # : 22 : if (ctx->attach_in_progress > 0) {
# # ]
7071 : 0 : spdk_thread_send_msg(spdk_get_thread(), _stop_discovery, ctx);
7072 : 0 : return;
7073 : : }
7074 : :
7075 [ # # # # ]: 22 : ctx->stop = true;
7076 : :
7077 [ + + # # : 41 : while (!TAILQ_EMPTY(&ctx->nvm_entry_ctxs)) {
# # # # ]
7078 : : struct discovery_entry_ctx *entry_ctx;
7079 : 19 : struct nvme_path_id path = {};
7080 : :
7081 [ # # # # : 19 : entry_ctx = TAILQ_FIRST(&ctx->nvm_entry_ctxs);
# # ]
7082 [ # # ]: 19 : path.trid = entry_ctx->trid;
7083 [ # # ]: 19 : bdev_nvme_delete(entry_ctx->name, &path, NULL, NULL);
7084 [ - + # # : 19 : TAILQ_REMOVE(&ctx->nvm_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7085 : 19 : free(entry_ctx);
7086 : : }
7087 : :
7088 [ + + # # : 51 : while (!TAILQ_EMPTY(&ctx->discovery_entry_ctxs)) {
# # # # ]
7089 : : struct discovery_entry_ctx *entry_ctx;
7090 : :
7091 [ # # # # : 29 : entry_ctx = TAILQ_FIRST(&ctx->discovery_entry_ctxs);
# # ]
7092 [ + + # # : 29 : TAILQ_REMOVE(&ctx->discovery_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7093 : 29 : free(entry_ctx);
7094 : : }
7095 : :
7096 [ # # # # ]: 22 : free(ctx->entry_ctx_in_use);
7097 [ # # # # ]: 22 : ctx->entry_ctx_in_use = NULL;
7098 : 0 : }
7099 : :
7100 : : static void
7101 : 22 : stop_discovery(struct discovery_ctx *ctx, spdk_bdev_nvme_stop_discovery_fn cb_fn, void *cb_ctx)
7102 : : {
7103 [ # # # # ]: 22 : ctx->stop_cb_fn = cb_fn;
7104 [ # # # # ]: 22 : ctx->cb_ctx = cb_ctx;
7105 : :
7106 [ - + # # : 22 : if (ctx->attach_in_progress > 0) {
# # ]
7107 [ # # # # : 0 : DISCOVERY_INFOLOG(ctx, "stopping discovery with attach_in_progress: %"PRIu32"\n",
# # # # #
# # # # #
# # # # ]
7108 : : ctx->attach_in_progress);
7109 : 0 : }
7110 : :
7111 : 22 : _stop_discovery(ctx);
7112 : 22 : }
7113 : :
7114 : : static void
7115 : 15 : remove_discovery_entry(struct nvme_ctrlr *nvme_ctrlr)
7116 : : {
7117 : : struct discovery_ctx *d_ctx;
7118 : : struct nvme_path_id *path_id;
7119 : 15 : struct spdk_nvme_transport_id trid = {};
7120 : : struct discovery_entry_ctx *entry_ctx, *tmp;
7121 : :
7122 [ # # # # : 15 : path_id = TAILQ_FIRST(&nvme_ctrlr->trids);
# # ]
7123 : :
7124 [ + + # # : 16 : TAILQ_FOREACH(d_ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7125 [ + + # # : 2 : TAILQ_FOREACH_SAFE(entry_ctx, &d_ctx->nvm_entry_ctxs, tailq, tmp) {
# # # # #
# # # # #
# # ]
7126 [ # # ]: 1 : build_trid_from_log_page_entry(&trid, &entry_ctx->entry);
7127 [ - + # # ]: 1 : if (spdk_nvme_transport_id_compare(&trid, &path_id->trid) != 0) {
7128 : 0 : continue;
7129 : : }
7130 : :
7131 [ - + # # : 1 : TAILQ_REMOVE(&d_ctx->nvm_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7132 : 1 : free(entry_ctx);
7133 [ - + + - : 1 : DISCOVERY_INFOLOG(d_ctx, "Remove discovery entry: %s:%s:%s\n",
# # # # #
# # # #
# ]
7134 : : trid.subnqn, trid.traddr, trid.trsvcid);
7135 : :
7136 : : /* Fail discovery ctrlr to force reattach attempt */
7137 [ # # # # ]: 1 : spdk_nvme_ctrlr_fail(d_ctx->ctrlr);
7138 : 0 : }
7139 : 0 : }
7140 : 15 : }
7141 : :
7142 : : static void
7143 : 23 : discovery_remove_controllers(struct discovery_ctx *ctx)
7144 : : {
7145 [ # # # # ]: 23 : struct spdk_nvmf_discovery_log_page *log_page = ctx->log_page;
7146 : : struct discovery_entry_ctx *entry_ctx, *tmp;
7147 : : struct spdk_nvmf_discovery_log_page_entry *new_entry, *old_entry;
7148 : 23 : struct spdk_nvme_transport_id old_trid = {};
7149 : : uint64_t numrec, i;
7150 : : bool found;
7151 : :
7152 [ # # ]: 23 : numrec = from_le64(&log_page->numrec);
7153 [ + + # # : 47 : TAILQ_FOREACH_SAFE(entry_ctx, &ctx->nvm_entry_ctxs, tailq, tmp) {
# # # # #
# # # # #
# # ]
7154 : 24 : found = false;
7155 [ # # ]: 24 : old_entry = &entry_ctx->entry;
7156 : 24 : build_trid_from_log_page_entry(&old_trid, old_entry);
7157 [ + + ]: 57 : for (i = 0; i < numrec; i++) {
7158 [ # # # # ]: 56 : new_entry = &log_page->entries[i];
7159 [ - + - + : 56 : if (!memcmp(old_entry, new_entry, sizeof(*old_entry))) {
+ + ]
7160 [ - + + + : 23 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s found again\n",
# # # # #
# # # #
# ]
7161 : : old_trid.subnqn, old_trid.traddr, old_trid.trsvcid);
7162 : 23 : found = true;
7163 : 23 : break;
7164 : : }
7165 : 0 : }
7166 [ + + # # ]: 24 : if (!found) {
7167 : 1 : struct nvme_path_id path = {};
7168 : :
7169 [ - + + - : 1 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s not found\n",
# # # # #
# # # #
# ]
7170 : : old_trid.subnqn, old_trid.traddr, old_trid.trsvcid);
7171 : :
7172 [ # # ]: 1 : path.trid = entry_ctx->trid;
7173 [ # # ]: 1 : bdev_nvme_delete(entry_ctx->name, &path, NULL, NULL);
7174 [ + - # # : 1 : TAILQ_REMOVE(&ctx->nvm_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7175 : 1 : free(entry_ctx);
7176 : 0 : }
7177 : 0 : }
7178 : 23 : free(log_page);
7179 [ # # # # ]: 23 : ctx->log_page = NULL;
7180 : 23 : discovery_complete(ctx);
7181 : 23 : }
7182 : :
7183 : : static void
7184 : 24 : complete_discovery_start(struct discovery_ctx *ctx, int status)
7185 : : {
7186 [ # # # # ]: 24 : ctx->timeout_ticks = 0;
7187 [ # # # # ]: 24 : ctx->rc = status;
7188 [ + + # # : 24 : if (ctx->start_cb_fn) {
# # ]
7189 [ # # # # : 21 : ctx->start_cb_fn(ctx->cb_ctx, status);
# # # # #
# # # ]
7190 [ # # # # ]: 21 : ctx->start_cb_fn = NULL;
7191 [ # # # # ]: 21 : ctx->cb_ctx = NULL;
7192 : 0 : }
7193 : 24 : }
7194 : :
7195 : : static void
7196 : 21 : discovery_attach_controller_done(void *cb_ctx, size_t bdev_count, int rc)
7197 : : {
7198 : 21 : struct discovery_entry_ctx *entry_ctx = cb_ctx;
7199 [ # # # # ]: 21 : struct discovery_ctx *ctx = entry_ctx->ctx;
7200 : :
7201 [ - + + + : 21 : DISCOVERY_INFOLOG(ctx, "attach %s done\n", entry_ctx->name);
# # # # #
# # # # #
# # ]
7202 [ # # ]: 21 : ctx->attach_in_progress--;
7203 [ + - # # : 21 : if (ctx->attach_in_progress == 0) {
# # ]
7204 [ # # # # ]: 21 : complete_discovery_start(ctx, ctx->rc);
7205 [ - + + + : 21 : if (ctx->initializing && ctx->rc != 0) {
- + # # #
# # # #
# ]
7206 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "stopping discovery due to errors: %d\n", ctx->rc);
# # # # #
# # # ]
7207 [ # # # # ]: 0 : stop_discovery(ctx, NULL, ctx->cb_ctx);
7208 : 0 : } else {
7209 : 21 : discovery_remove_controllers(ctx);
7210 : : }
7211 : 0 : }
7212 : 21 : }
7213 : :
7214 : : static struct discovery_entry_ctx *
7215 : 53 : create_discovery_entry_ctx(struct discovery_ctx *ctx, struct spdk_nvme_transport_id *trid)
7216 : : {
7217 : : struct discovery_entry_ctx *new_ctx;
7218 : :
7219 : 53 : new_ctx = calloc(1, sizeof(*new_ctx));
7220 [ - + ]: 53 : if (new_ctx == NULL) {
7221 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7222 : 0 : return NULL;
7223 : : }
7224 : :
7225 [ # # # # ]: 53 : new_ctx->ctx = ctx;
7226 [ - + - + : 53 : memcpy(&new_ctx->trid, trid, sizeof(*trid));
# # ]
7227 [ # # ]: 53 : spdk_nvme_ctrlr_get_default_ctrlr_opts(&new_ctx->drv_opts, sizeof(new_ctx->drv_opts));
7228 [ - + # # : 53 : snprintf(new_ctx->drv_opts.hostnqn, sizeof(new_ctx->drv_opts.hostnqn), "%s", ctx->hostnqn);
# # # # ]
7229 : 53 : return new_ctx;
7230 : 0 : }
7231 : :
7232 : : static void
7233 : 23 : discovery_log_page_cb(void *cb_arg, int rc, const struct spdk_nvme_cpl *cpl,
7234 : : struct spdk_nvmf_discovery_log_page *log_page)
7235 : : {
7236 : 23 : struct discovery_ctx *ctx = cb_arg;
7237 : : struct discovery_entry_ctx *entry_ctx, *tmp;
7238 : : struct spdk_nvmf_discovery_log_page_entry *new_entry, *old_entry;
7239 : : uint64_t numrec, i;
7240 : : bool found;
7241 : :
7242 [ + - + - : 23 : if (rc || spdk_nvme_cpl_is_error(cpl)) {
- + # # #
# # # # #
# # # # ]
7243 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not get discovery log page\n");
# # # # ]
7244 : 0 : return;
7245 : : }
7246 : :
7247 [ # # # # ]: 23 : ctx->log_page = log_page;
7248 [ - + # # : 23 : assert(ctx->attach_in_progress == 0);
# # # # ]
7249 [ # # ]: 23 : numrec = from_le64(&log_page->numrec);
7250 [ + + # # : 27 : TAILQ_FOREACH_SAFE(entry_ctx, &ctx->discovery_entry_ctxs, tailq, tmp) {
# # # # #
# # # # #
# # ]
7251 [ + + # # : 4 : TAILQ_REMOVE(&ctx->discovery_entry_ctxs, entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7252 : 4 : free(entry_ctx);
7253 : 0 : }
7254 [ + + ]: 77 : for (i = 0; i < numrec; i++) {
7255 : 54 : found = false;
7256 [ # # # # ]: 54 : new_entry = &log_page->entries[i];
7257 [ + + # # : 54 : if (new_entry->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY_CURRENT ||
# # # # ]
7258 [ - + # # ]: 23 : new_entry->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY) {
7259 : : struct discovery_entry_ctx *new_ctx;
7260 : 31 : struct spdk_nvme_transport_id trid = {};
7261 : :
7262 : 31 : build_trid_from_log_page_entry(&trid, new_entry);
7263 : 31 : new_ctx = create_discovery_entry_ctx(ctx, &trid);
7264 [ - + ]: 31 : if (new_ctx == NULL) {
7265 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7266 : 0 : break;
7267 : : }
7268 : :
7269 [ # # # # : 31 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, new_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7270 : 31 : continue;
7271 : : }
7272 [ + + # # : 25 : TAILQ_FOREACH(entry_ctx, &ctx->nvm_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
7273 [ # # ]: 4 : old_entry = &entry_ctx->entry;
7274 [ - + - + : 4 : if (!memcmp(new_entry, old_entry, sizeof(*new_entry))) {
+ + ]
7275 : 2 : found = true;
7276 : 2 : break;
7277 : : }
7278 : 0 : }
7279 [ + + # # ]: 23 : if (!found) {
7280 : 21 : struct discovery_entry_ctx *subnqn_ctx = NULL, *new_ctx;
7281 : : struct discovery_ctx *d_ctx;
7282 : :
7283 [ + + # # : 44 : TAILQ_FOREACH(d_ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7284 [ + + # # : 27 : TAILQ_FOREACH(subnqn_ctx, &d_ctx->nvm_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
7285 [ - + - + : 4 : if (!memcmp(subnqn_ctx->entry.subnqn, new_entry->subnqn,
+ + # # #
# # # ]
7286 : : sizeof(new_entry->subnqn))) {
7287 : 1 : break;
7288 : : }
7289 : 0 : }
7290 [ + + ]: 24 : if (subnqn_ctx) {
7291 : 1 : break;
7292 : : }
7293 : 0 : }
7294 : :
7295 : 21 : new_ctx = calloc(1, sizeof(*new_ctx));
7296 [ - + ]: 21 : if (new_ctx == NULL) {
7297 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7298 : 0 : break;
7299 : : }
7300 : :
7301 [ # # # # ]: 21 : new_ctx->ctx = ctx;
7302 [ - + - + : 21 : memcpy(&new_ctx->entry, new_entry, sizeof(*new_entry));
# # ]
7303 [ # # ]: 21 : build_trid_from_log_page_entry(&new_ctx->trid, new_entry);
7304 [ + + ]: 21 : if (subnqn_ctx) {
7305 [ # # # # ]: 1 : snprintf(new_ctx->name, sizeof(new_ctx->name), "%s", subnqn_ctx->name);
7306 [ - + + - : 1 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s new path for %s\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7307 : : new_ctx->trid.subnqn, new_ctx->trid.traddr, new_ctx->trid.trsvcid,
7308 : : new_ctx->name);
7309 : 0 : } else {
7310 [ # # # # : 20 : snprintf(new_ctx->name, sizeof(new_ctx->name), "%s%d", ctx->name, ctx->index++);
# # # # ]
7311 [ - + + + : 20 : DISCOVERY_INFOLOG(ctx, "NVM %s:%s:%s new subsystem %s\n",
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7312 : : new_ctx->trid.subnqn, new_ctx->trid.traddr, new_ctx->trid.trsvcid,
7313 : : new_ctx->name);
7314 : : }
7315 [ # # ]: 21 : spdk_nvme_ctrlr_get_default_ctrlr_opts(&new_ctx->drv_opts, sizeof(new_ctx->drv_opts));
7316 [ # # # # : 21 : snprintf(new_ctx->drv_opts.hostnqn, sizeof(new_ctx->drv_opts.hostnqn), "%s", ctx->hostnqn);
# # # # ]
7317 [ # # # # ]: 21 : rc = spdk_bdev_nvme_create(&new_ctx->trid, new_ctx->name, NULL, 0,
7318 : 0 : discovery_attach_controller_done, new_ctx,
7319 [ # # # # ]: 0 : &new_ctx->drv_opts, &ctx->bdev_opts);
7320 [ + - ]: 21 : if (rc == 0) {
7321 [ # # # # : 21 : TAILQ_INSERT_TAIL(&ctx->nvm_entry_ctxs, new_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7322 [ # # ]: 21 : ctx->attach_in_progress++;
7323 : 0 : } else {
7324 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "spdk_bdev_nvme_create failed (%s)\n", spdk_strerror(-rc));
# # # # #
# ]
7325 : : }
7326 : 0 : }
7327 : 0 : }
7328 : :
7329 [ + + # # : 23 : if (ctx->attach_in_progress == 0) {
# # ]
7330 : 2 : discovery_remove_controllers(ctx);
7331 : 0 : }
7332 : 0 : }
7333 : :
7334 : : static void
7335 : 23 : get_discovery_log_page(struct discovery_ctx *ctx)
7336 : : {
7337 : : int rc;
7338 : :
7339 [ - + - + : 23 : assert(ctx->in_progress == false);
# # # # #
# ]
7340 [ # # # # ]: 23 : ctx->in_progress = true;
7341 [ # # # # ]: 23 : rc = spdk_nvme_ctrlr_get_discovery_log_page(ctx->ctrlr, discovery_log_page_cb, ctx);
7342 [ - + ]: 23 : if (rc != 0) {
7343 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not get discovery log page\n");
# # # # ]
7344 : 0 : }
7345 [ - + + + : 23 : DISCOVERY_INFOLOG(ctx, "sent discovery log page command\n");
# # # # #
# # # #
# ]
7346 : 23 : }
7347 : :
7348 : : static void
7349 : 2 : discovery_aer_cb(void *arg, const struct spdk_nvme_cpl *cpl)
7350 : : {
7351 : 2 : struct discovery_ctx *ctx = arg;
7352 [ # # # # : 2 : uint32_t log_page_id = (cpl->cdw0 & 0xFF0000) >> 16;
# # ]
7353 : :
7354 [ + - - + : 2 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
7355 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "aer failed\n");
# # # # ]
7356 : 0 : return;
7357 : : }
7358 : :
7359 [ - + ]: 2 : if (log_page_id != SPDK_NVME_LOG_DISCOVERY) {
7360 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "unexpected log page 0x%x\n", log_page_id);
# # # # ]
7361 : 0 : return;
7362 : : }
7363 : :
7364 [ - + + - : 2 : DISCOVERY_INFOLOG(ctx, "got aer\n");
# # # # #
# # # #
# ]
7365 [ - + - + : 2 : if (ctx->in_progress) {
# # # # ]
7366 [ # # # # ]: 0 : ctx->pending = true;
7367 : 0 : return;
7368 : : }
7369 : :
7370 : 2 : get_discovery_log_page(ctx);
7371 : 0 : }
7372 : :
7373 : : static void
7374 : 21 : discovery_attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
7375 : : struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
7376 : : {
7377 : 21 : struct spdk_nvme_ctrlr_opts *user_opts = cb_ctx;
7378 : : struct discovery_ctx *ctx;
7379 : :
7380 : 21 : ctx = SPDK_CONTAINEROF(user_opts, struct discovery_ctx, drv_opts);
7381 : :
7382 [ - + + + : 21 : DISCOVERY_INFOLOG(ctx, "discovery ctrlr attached\n");
# # # # #
# # # #
# ]
7383 [ # # # # ]: 21 : ctx->probe_ctx = NULL;
7384 [ # # # # ]: 21 : ctx->ctrlr = ctrlr;
7385 : :
7386 [ - + # # : 21 : if (ctx->rc != 0) {
# # ]
7387 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "encountered error while attaching discovery ctrlr: %d\n",
# # # # #
# # # ]
7388 : : ctx->rc);
7389 : 0 : return;
7390 : : }
7391 : :
7392 [ # # # # ]: 21 : spdk_nvme_ctrlr_register_aer_callback(ctx->ctrlr, discovery_aer_cb, ctx);
7393 : 0 : }
7394 : :
7395 : : static int
7396 : 62072 : discovery_poller(void *arg)
7397 : : {
7398 : 62072 : struct discovery_ctx *ctx = arg;
7399 : : struct spdk_nvme_transport_id *trid;
7400 : : int rc;
7401 : :
7402 [ + + # # : 62072 : if (ctx->detach_ctx) {
# # ]
7403 [ # # # # ]: 161 : rc = spdk_nvme_detach_poll_async(ctx->detach_ctx);
7404 [ + + ]: 161 : if (rc != -EAGAIN) {
7405 [ # # # # ]: 21 : ctx->detach_ctx = NULL;
7406 [ # # # # ]: 21 : ctx->ctrlr = NULL;
7407 : 0 : }
7408 [ - + + + : 61911 : } else if (ctx->stop) {
# # # # ]
7409 [ + + # # : 40 : if (ctx->ctrlr != NULL) {
# # ]
7410 [ # # # # : 20 : rc = spdk_nvme_detach_async(ctx->ctrlr, &ctx->detach_ctx);
# # ]
7411 [ + - ]: 20 : if (rc == 0) {
7412 : 20 : return SPDK_POLLER_BUSY;
7413 : : }
7414 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not detach discovery ctrlr\n");
# # # # ]
7415 : 0 : }
7416 [ # # ]: 20 : spdk_poller_unregister(&ctx->poller);
7417 [ + + # # : 20 : TAILQ_REMOVE(&g_discovery_ctxs, ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7418 [ - + # # : 20 : assert(ctx->start_cb_fn == NULL);
# # # # ]
7419 [ + + # # : 20 : if (ctx->stop_cb_fn != NULL) {
# # ]
7420 [ # # # # : 19 : ctx->stop_cb_fn(ctx->cb_ctx);
# # # # #
# # # ]
7421 : 0 : }
7422 : 20 : free_discovery_ctx(ctx);
7423 [ + + + + : 61871 : } else if (ctx->probe_ctx == NULL && ctx->ctrlr == NULL) {
# # # # #
# # # ]
7424 [ + + + + : 29 : if (ctx->timeout_ticks != 0 && ctx->timeout_ticks < spdk_get_ticks()) {
# # # # #
# # # ]
7425 [ # # # # : 2 : DISCOVERY_ERRLOG(ctx, "timed out while attaching discovery ctrlr\n");
# # # # ]
7426 [ - + - + : 2 : assert(ctx->initializing);
# # # # #
# ]
7427 [ # # ]: 2 : spdk_poller_unregister(&ctx->poller);
7428 [ - + # # : 2 : TAILQ_REMOVE(&g_discovery_ctxs, ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7429 : 2 : complete_discovery_start(ctx, -ETIMEDOUT);
7430 : 2 : stop_discovery(ctx, NULL, NULL);
7431 : 2 : free_discovery_ctx(ctx);
7432 : 2 : return SPDK_POLLER_BUSY;
7433 : : }
7434 : :
7435 [ - + # # : 27 : assert(ctx->entry_ctx_in_use == NULL);
# # # # ]
7436 [ # # # # : 27 : ctx->entry_ctx_in_use = TAILQ_FIRST(&ctx->discovery_entry_ctxs);
# # # # #
# ]
7437 [ + + # # : 27 : TAILQ_REMOVE(&ctx->discovery_entry_ctxs, ctx->entry_ctx_in_use, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7438 [ # # # # : 27 : trid = &ctx->entry_ctx_in_use->trid;
# # ]
7439 : :
7440 : : /* All controllers must be configured explicitely either for multipath or failover.
7441 : : * While discovery use multipath mode, we need to set this in bdev options as well.
7442 : : */
7443 [ # # # # : 27 : ctx->bdev_opts.multipath = true;
# # ]
7444 : :
7445 [ # # # # : 27 : ctx->probe_ctx = spdk_nvme_connect_async(trid, &ctx->drv_opts, discovery_attach_cb);
# # ]
7446 [ + + # # : 27 : if (ctx->probe_ctx) {
# # ]
7447 [ # # ]: 21 : spdk_poller_unregister(&ctx->poller);
7448 [ # # # # ]: 21 : ctx->poller = SPDK_POLLER_REGISTER(discovery_poller, ctx, 1000);
7449 : 0 : } else {
7450 [ # # # # : 6 : DISCOVERY_ERRLOG(ctx, "could not start discovery connect\n");
# # # # ]
7451 [ # # # # : 6 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, ctx->entry_ctx_in_use, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7452 [ # # # # ]: 6 : ctx->entry_ctx_in_use = NULL;
7453 : : }
7454 [ + + # # : 61842 : } else if (ctx->probe_ctx) {
# # ]
7455 [ + + - + : 21 : if (ctx->timeout_ticks != 0 && ctx->timeout_ticks < spdk_get_ticks()) {
# # # # #
# # # ]
7456 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "timed out while attaching discovery ctrlr\n");
# # # # ]
7457 : 0 : complete_discovery_start(ctx, -ETIMEDOUT);
7458 : 0 : return SPDK_POLLER_BUSY;
7459 : : }
7460 : :
7461 [ # # # # ]: 21 : rc = spdk_nvme_probe_poll_async(ctx->probe_ctx);
7462 [ + - ]: 21 : if (rc != -EAGAIN) {
7463 [ - + # # : 21 : if (ctx->rc != 0) {
# # ]
7464 [ # # # # : 0 : assert(ctx->initializing);
# # # # #
# ]
7465 [ # # # # ]: 0 : stop_discovery(ctx, NULL, ctx->cb_ctx);
7466 : 0 : } else {
7467 [ - + # # ]: 21 : assert(rc == 0);
7468 [ - + + + : 21 : DISCOVERY_INFOLOG(ctx, "discovery ctrlr connected\n");
# # # # #
# # # #
# ]
7469 [ # # # # ]: 21 : ctx->rc = rc;
7470 : 21 : get_discovery_log_page(ctx);
7471 : : }
7472 : 0 : }
7473 : 0 : } else {
7474 [ + + + + : 61821 : if (ctx->timeout_ticks != 0 && ctx->timeout_ticks < spdk_get_ticks()) {
# # # # #
# # # ]
7475 [ # # # # : 1 : DISCOVERY_ERRLOG(ctx, "timed out while attaching NVM ctrlrs\n");
# # # # ]
7476 : 1 : complete_discovery_start(ctx, -ETIMEDOUT);
7477 : : /* We need to wait until all NVM ctrlrs are attached before we stop the
7478 : : * discovery service to make sure we don't detach a ctrlr that is still
7479 : : * being attached.
7480 : : */
7481 [ + - # # : 1 : if (ctx->attach_in_progress == 0) {
# # ]
7482 [ # # # # ]: 1 : stop_discovery(ctx, NULL, ctx->cb_ctx);
7483 : 1 : return SPDK_POLLER_BUSY;
7484 : : }
7485 : 0 : }
7486 : :
7487 [ # # # # ]: 61820 : rc = spdk_nvme_ctrlr_process_admin_completions(ctx->ctrlr);
7488 [ + + ]: 61820 : if (rc < 0) {
7489 [ # # ]: 1 : spdk_poller_unregister(&ctx->poller);
7490 [ # # # # ]: 1 : ctx->poller = SPDK_POLLER_REGISTER(discovery_poller, ctx, 1000 * 1000);
7491 [ # # # # : 1 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, ctx->entry_ctx_in_use, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7492 [ # # # # ]: 1 : ctx->entry_ctx_in_use = NULL;
7493 : :
7494 [ # # # # : 1 : rc = spdk_nvme_detach_async(ctx->ctrlr, &ctx->detach_ctx);
# # ]
7495 [ - + ]: 1 : if (rc != 0) {
7496 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not detach discovery ctrlr\n");
# # # # ]
7497 [ # # # # ]: 0 : ctx->ctrlr = NULL;
7498 : 0 : }
7499 : 0 : }
7500 : : }
7501 : :
7502 : 62049 : return SPDK_POLLER_BUSY;
7503 : 0 : }
7504 : :
7505 : : static void
7506 : 22 : start_discovery_poller(void *arg)
7507 : : {
7508 : 22 : struct discovery_ctx *ctx = arg;
7509 : :
7510 [ # # # # : 22 : TAILQ_INSERT_TAIL(&g_discovery_ctxs, ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # #
# ]
7511 [ # # # # ]: 22 : ctx->poller = SPDK_POLLER_REGISTER(discovery_poller, ctx, 1000 * 1000);
7512 : 22 : }
7513 : :
7514 : : int
7515 : 24 : bdev_nvme_start_discovery(struct spdk_nvme_transport_id *trid,
7516 : : const char *base_name,
7517 : : struct spdk_nvme_ctrlr_opts *drv_opts,
7518 : : struct spdk_bdev_nvme_ctrlr_opts *bdev_opts,
7519 : : uint64_t attach_timeout,
7520 : : bool from_mdns,
7521 : : spdk_bdev_nvme_start_discovery_fn cb_fn, void *cb_ctx)
7522 : : {
7523 : : struct discovery_ctx *ctx;
7524 : : struct discovery_entry_ctx *discovery_entry_ctx;
7525 : :
7526 [ # # ]: 24 : snprintf(trid->subnqn, sizeof(trid->subnqn), "%s", SPDK_NVMF_DISCOVERY_NQN);
7527 [ + + # # : 30 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7528 [ - + - + : 8 : if (strcmp(ctx->name, base_name) == 0) {
+ + # # #
# ]
7529 : 1 : return -EEXIST;
7530 : : }
7531 : :
7532 [ + - # # : 7 : if (ctx->entry_ctx_in_use != NULL) {
# # ]
7533 [ + + # # : 7 : if (!spdk_nvme_transport_id_compare(trid, &ctx->entry_ctx_in_use->trid)) {
# # # # ]
7534 : 1 : return -EEXIST;
7535 : : }
7536 : 0 : }
7537 : :
7538 [ + + # # : 12 : TAILQ_FOREACH(discovery_entry_ctx, &ctx->discovery_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
7539 [ - + # # ]: 6 : if (!spdk_nvme_transport_id_compare(trid, &discovery_entry_ctx->trid)) {
7540 : 0 : return -EEXIST;
7541 : : }
7542 : 0 : }
7543 : 0 : }
7544 : :
7545 : 22 : ctx = calloc(1, sizeof(*ctx));
7546 [ - + ]: 22 : if (ctx == NULL) {
7547 : 0 : return -ENOMEM;
7548 : : }
7549 : :
7550 [ - + # # : 22 : ctx->name = strdup(base_name);
# # ]
7551 [ - + # # : 22 : if (ctx->name == NULL) {
# # ]
7552 : 0 : free_discovery_ctx(ctx);
7553 : 0 : return -ENOMEM;
7554 : : }
7555 [ - + - + : 22 : memcpy(&ctx->drv_opts, drv_opts, sizeof(*drv_opts));
# # ]
7556 [ - + - + : 22 : memcpy(&ctx->bdev_opts, bdev_opts, sizeof(*bdev_opts));
# # ]
7557 [ # # # # : 22 : ctx->from_mdns_discovery_service = from_mdns;
# # ]
7558 [ # # # # : 22 : ctx->bdev_opts.from_discovery_service = true;
# # ]
7559 [ # # # # ]: 22 : ctx->calling_thread = spdk_get_thread();
7560 [ # # # # ]: 22 : ctx->start_cb_fn = cb_fn;
7561 [ # # # # ]: 22 : ctx->cb_ctx = cb_ctx;
7562 [ # # # # ]: 22 : ctx->initializing = true;
7563 [ + + # # : 22 : if (ctx->start_cb_fn) {
# # ]
7564 : : /* We can use this when dumping json to denote if this RPC parameter
7565 : : * was specified or not.
7566 : : */
7567 [ # # # # ]: 21 : ctx->wait_for_attach = true;
7568 : 0 : }
7569 [ + + ]: 22 : if (attach_timeout != 0) {
7570 [ # # # # ]: 38 : ctx->timeout_ticks = spdk_get_ticks() + attach_timeout *
7571 [ # # # # ]: 19 : spdk_get_ticks_hz() / 1000ull;
7572 : 0 : }
7573 [ # # # # : 22 : TAILQ_INIT(&ctx->nvm_entry_ctxs);
# # # # #
# # # # #
# # ]
7574 [ # # # # : 22 : TAILQ_INIT(&ctx->discovery_entry_ctxs);
# # # # #
# # # # #
# # ]
7575 [ - + - + : 22 : memcpy(&ctx->trid, trid, sizeof(*trid));
# # ]
7576 : : /* Even if user did not specify hostnqn, we can still strdup("\0"); */
7577 [ - + # # : 22 : ctx->hostnqn = strdup(ctx->drv_opts.hostnqn);
# # # # #
# ]
7578 [ - + # # : 22 : if (ctx->hostnqn == NULL) {
# # ]
7579 : 0 : free_discovery_ctx(ctx);
7580 : 0 : return -ENOMEM;
7581 : : }
7582 : 22 : discovery_entry_ctx = create_discovery_entry_ctx(ctx, trid);
7583 [ - + ]: 22 : if (discovery_entry_ctx == NULL) {
7584 [ # # # # : 0 : DISCOVERY_ERRLOG(ctx, "could not allocate new entry_ctx\n");
# # # # ]
7585 : 0 : free_discovery_ctx(ctx);
7586 : 0 : return -ENOMEM;
7587 : : }
7588 : :
7589 [ # # # # : 22 : TAILQ_INSERT_TAIL(&ctx->discovery_entry_ctxs, discovery_entry_ctx, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # ]
7590 : 22 : spdk_thread_send_msg(g_bdev_nvme_init_thread, start_discovery_poller, ctx);
7591 : 22 : return 0;
7592 : 0 : }
7593 : :
7594 : : int
7595 : 17 : bdev_nvme_stop_discovery(const char *name, spdk_bdev_nvme_stop_discovery_fn cb_fn, void *cb_ctx)
7596 : : {
7597 : : struct discovery_ctx *ctx;
7598 : :
7599 [ + - # # : 19 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7600 [ - + - + : 19 : if (strcmp(name, ctx->name) == 0) {
+ + # # #
# ]
7601 [ - + - + : 17 : if (ctx->stop) {
# # # # ]
7602 : 0 : return -EALREADY;
7603 : : }
7604 : : /* If we're still starting the discovery service and ->rc is non-zero, we're
7605 : : * going to stop it as soon as we can
7606 : : */
7607 [ - + - + : 17 : if (ctx->initializing && ctx->rc != 0) {
- - # # #
# # # #
# ]
7608 : 0 : return -EALREADY;
7609 : : }
7610 : 17 : stop_discovery(ctx, cb_fn, cb_ctx);
7611 : 17 : return 0;
7612 : : }
7613 : 0 : }
7614 : :
7615 : 0 : return -ENOENT;
7616 : 0 : }
7617 : :
7618 : : static int
7619 : 1490 : bdev_nvme_library_init(void)
7620 : : {
7621 : 1490 : g_bdev_nvme_init_thread = spdk_get_thread();
7622 : :
7623 : 1490 : spdk_io_device_register(&g_nvme_bdev_ctrlrs, bdev_nvme_create_poll_group_cb,
7624 : : bdev_nvme_destroy_poll_group_cb,
7625 : : sizeof(struct nvme_poll_group), "nvme_poll_groups");
7626 : :
7627 : 1490 : return 0;
7628 : : }
7629 : :
7630 : : static void
7631 : 1490 : bdev_nvme_fini_destruct_ctrlrs(void)
7632 : : {
7633 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
7634 : : struct nvme_ctrlr *nvme_ctrlr;
7635 : :
7636 [ + + ]: 1490 : pthread_mutex_lock(&g_bdev_nvme_mutex);
7637 [ + + + - : 1988 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
+ - + - ]
7638 [ + + + - : 998 : TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
+ - + + +
- + - +
- ]
7639 [ + + + - ]: 500 : pthread_mutex_lock(&nvme_ctrlr->mutex);
7640 [ + + - + ]: 500 : if (nvme_ctrlr->destruct) {
7641 : : /* This controller's destruction was already started
7642 : : * before the application started shutting down
7643 : : */
7644 [ # # # # ]: 0 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
7645 : 0 : continue;
7646 : : }
7647 [ - + ]: 500 : nvme_ctrlr->destruct = true;
7648 [ - + - + ]: 500 : pthread_mutex_unlock(&nvme_ctrlr->mutex);
7649 : :
7650 [ - + - + ]: 507 : spdk_thread_send_msg(nvme_ctrlr->thread, _nvme_ctrlr_destruct,
7651 : 8 : nvme_ctrlr);
7652 : 8 : }
7653 : 8 : }
7654 : :
7655 : 1490 : g_bdev_nvme_module_finish = true;
7656 [ + + ]: 1490 : if (TAILQ_EMPTY(&g_nvme_bdev_ctrlrs)) {
7657 [ - + ]: 1104 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
7658 : 1104 : spdk_io_device_unregister(&g_nvme_bdev_ctrlrs, NULL);
7659 : 1104 : spdk_bdev_module_fini_done();
7660 : 1104 : return;
7661 : : }
7662 : :
7663 [ + + ]: 386 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
7664 : 92 : }
7665 : :
7666 : : static void
7667 : 2 : check_discovery_fini(void *arg)
7668 : : {
7669 [ + - ]: 2 : if (TAILQ_EMPTY(&g_discovery_ctxs)) {
7670 : 2 : bdev_nvme_fini_destruct_ctrlrs();
7671 : 0 : }
7672 : 2 : }
7673 : :
7674 : : static void
7675 : 1490 : bdev_nvme_library_fini(void)
7676 : : {
7677 : : struct nvme_probe_skip_entry *entry, *entry_tmp;
7678 : : struct discovery_ctx *ctx;
7679 : :
7680 : 1490 : spdk_poller_unregister(&g_hotplug_poller);
7681 : 1490 : free(g_hotplug_probe_ctx);
7682 : 1490 : g_hotplug_probe_ctx = NULL;
7683 : :
7684 [ + + + + : 1532 : TAILQ_FOREACH_SAFE(entry, &g_skipped_nvme_ctrlrs, tailq, entry_tmp) {
# # # # -
+ ]
7685 [ + + # # : 42 : TAILQ_REMOVE(&g_skipped_nvme_ctrlrs, entry, tailq);
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # #
# # # # ]
7686 : 42 : free(entry);
7687 : 3 : }
7688 : :
7689 [ + + # # ]: 1490 : assert(spdk_get_thread() == g_bdev_nvme_init_thread);
7690 [ + + ]: 1490 : if (TAILQ_EMPTY(&g_discovery_ctxs)) {
7691 : 1488 : bdev_nvme_fini_destruct_ctrlrs();
7692 : 92 : } else {
7693 [ + + # # : 4 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
7694 : 2 : stop_discovery(ctx, check_discovery_fini, NULL);
7695 : 0 : }
7696 : : }
7697 : 1490 : }
7698 : :
7699 : : static void
7700 : 0 : bdev_nvme_verify_pi_error(struct nvme_bdev_io *bio)
7701 : : {
7702 : 0 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7703 [ # # # # ]: 0 : struct spdk_bdev *bdev = bdev_io->bdev;
7704 : 0 : struct spdk_dif_ctx dif_ctx;
7705 : 0 : struct spdk_dif_error err_blk = {};
7706 : : int rc;
7707 : 0 : struct spdk_dif_ctx_init_ext_opts dif_opts;
7708 : :
7709 : 0 : dif_opts.size = SPDK_SIZEOF(&dif_opts, dif_pi_format);
7710 [ # # # # : 0 : dif_opts.dif_pi_format = bdev->dif_pi_format;
# # ]
7711 : 0 : rc = spdk_dif_ctx_init(&dif_ctx,
7712 [ # # # # : 0 : bdev->blocklen, bdev->md_len, bdev->md_interleave,
# # # # #
# # # #
# ]
7713 [ # # # # : 0 : bdev->dif_is_head_of_md, bdev->dif_type,
# # # # #
# ]
7714 [ # # # # : 0 : bdev_io->u.bdev.dif_check_flags,
# # # # ]
7715 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks, 0, 0, 0, 0, &dif_opts);
# # # # ]
7716 [ # # ]: 0 : if (rc != 0) {
7717 : 0 : SPDK_ERRLOG("Initialization of DIF context failed\n");
7718 : 0 : return;
7719 : : }
7720 : :
7721 [ # # # # : 0 : if (bdev->md_interleave) {
# # # # ]
7722 [ # # # # : 0 : rc = spdk_dif_verify(bdev_io->u.bdev.iovs, bdev_io->u.bdev.iovcnt,
# # # # #
# # # # #
# # ]
7723 [ # # # # : 0 : bdev_io->u.bdev.num_blocks, &dif_ctx, &err_blk);
# # # # ]
7724 : 0 : } else {
7725 : 0 : struct iovec md_iov = {
7726 [ # # # # : 0 : .iov_base = bdev_io->u.bdev.md_buf,
# # # # ]
7727 [ # # # # : 0 : .iov_len = bdev_io->u.bdev.num_blocks * bdev->md_len,
# # # # #
# # # ]
7728 : : };
7729 : :
7730 [ # # # # : 0 : rc = spdk_dix_verify(bdev_io->u.bdev.iovs, bdev_io->u.bdev.iovcnt,
# # # # #
# # # # #
# # ]
7731 [ # # # # : 0 : &md_iov, bdev_io->u.bdev.num_blocks, &dif_ctx, &err_blk);
# # # # ]
7732 : : }
7733 : :
7734 [ # # ]: 0 : if (rc != 0) {
7735 [ # # ]: 0 : SPDK_ERRLOG("DIF error detected. type=%d, offset=%" PRIu32 "\n",
7736 : : err_blk.err_type, err_blk.err_offset);
7737 : 0 : } else {
7738 : 0 : SPDK_ERRLOG("Hardware reported PI error but SPDK could not find any.\n");
7739 : : }
7740 : 0 : }
7741 : :
7742 : : static void
7743 : 0 : bdev_nvme_no_pi_readv_done(void *ref, const struct spdk_nvme_cpl *cpl)
7744 : : {
7745 : 0 : struct nvme_bdev_io *bio = ref;
7746 : :
7747 [ # # # # : 0 : if (spdk_nvme_cpl_is_success(cpl)) {
# # # # #
# # # # #
# # ]
7748 : : /* Run PI verification for read data buffer. */
7749 : 0 : bdev_nvme_verify_pi_error(bio);
7750 : 0 : }
7751 : :
7752 : : /* Return original completion status */
7753 [ # # ]: 0 : bdev_nvme_io_complete_nvme_status(bio, &bio->cpl);
7754 : 0 : }
7755 : :
7756 : : static void
7757 : 8209393 : bdev_nvme_readv_done(void *ref, const struct spdk_nvme_cpl *cpl)
7758 : : {
7759 : 8209393 : struct nvme_bdev_io *bio = ref;
7760 : 8209393 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7761 : : int ret;
7762 : :
7763 [ + + + - : 8209393 : if (spdk_unlikely(spdk_nvme_cpl_is_pi_error(cpl))) {
+ - + - -
- - - # #
# # # # #
# # # # #
# # # # #
# + - ]
7764 [ # # # # : 0 : SPDK_ERRLOG("readv completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7765 : : cpl->status.sct, cpl->status.sc);
7766 : :
7767 : : /* Save completion status to use after verifying PI error. */
7768 [ # # ]: 0 : bio->cpl = *cpl;
7769 : :
7770 [ # # # # : 0 : if (spdk_likely(nvme_io_path_is_available(bio->io_path))) {
# # ]
7771 : : /* Read without PI checking to verify PI error. */
7772 : 0 : ret = bdev_nvme_no_pi_readv(bio,
7773 [ # # # # : 0 : bdev_io->u.bdev.iovs,
# # # # ]
7774 [ # # # # : 0 : bdev_io->u.bdev.iovcnt,
# # # # ]
7775 [ # # # # : 0 : bdev_io->u.bdev.md_buf,
# # # # ]
7776 [ # # # # : 0 : bdev_io->u.bdev.num_blocks,
# # # # ]
7777 [ # # # # : 0 : bdev_io->u.bdev.offset_blocks);
# # # # ]
7778 [ # # ]: 0 : if (ret == 0) {
7779 : 0 : return;
7780 : : }
7781 : 0 : }
7782 : 0 : }
7783 : :
7784 : 8209393 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7785 : 286138 : }
7786 : :
7787 : : static void
7788 : 7248740 : bdev_nvme_writev_done(void *ref, const struct spdk_nvme_cpl *cpl)
7789 : : {
7790 : 7248740 : struct nvme_bdev_io *bio = ref;
7791 : :
7792 [ + + - - : 7248740 : if (spdk_unlikely(spdk_nvme_cpl_is_pi_error(cpl))) {
- - + - -
- - - # #
# # # # #
# # # # #
# # # # #
# # # ]
7793 [ # # # # : 0 : SPDK_ERRLOG("writev completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7794 : : cpl->status.sct, cpl->status.sc);
7795 : : /* Run PI verification for write data buffer if PI error is detected. */
7796 : 0 : bdev_nvme_verify_pi_error(bio);
7797 : 0 : }
7798 : :
7799 : 7248740 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7800 : 7248740 : }
7801 : :
7802 : : static void
7803 : 242895 : bdev_nvme_zone_appendv_done(void *ref, const struct spdk_nvme_cpl *cpl)
7804 : : {
7805 : 242895 : struct nvme_bdev_io *bio = ref;
7806 : 242895 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7807 : :
7808 : : /* spdk_bdev_io_get_append_location() requires that the ALBA is stored in offset_blocks.
7809 : : * Additionally, offset_blocks has to be set before calling bdev_nvme_verify_pi_error().
7810 : : */
7811 [ # # # # : 242895 : bdev_io->u.bdev.offset_blocks = *(uint64_t *)&cpl->cdw0;
# # # # #
# # # ]
7812 : :
7813 [ - + - - : 242895 : if (spdk_nvme_cpl_is_pi_error(cpl)) {
- - - - #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7814 [ # # # # : 0 : SPDK_ERRLOG("zone append completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7815 : : cpl->status.sct, cpl->status.sc);
7816 : : /* Run PI verification for zone append data buffer if PI error is detected. */
7817 : 0 : bdev_nvme_verify_pi_error(bio);
7818 : 0 : }
7819 : :
7820 : 242895 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7821 : 242895 : }
7822 : :
7823 : : static void
7824 : 56 : bdev_nvme_comparev_done(void *ref, const struct spdk_nvme_cpl *cpl)
7825 : : {
7826 : 56 : struct nvme_bdev_io *bio = ref;
7827 : :
7828 [ + + + - : 56 : if (spdk_nvme_cpl_is_pi_error(cpl)) {
+ - - + #
# # # # #
# # # # #
# # # # #
# # # # #
# # # ]
7829 [ # # # # : 0 : SPDK_ERRLOG("comparev completed with PI error (sct=%d, sc=%d)\n",
# # # # #
# # # ]
7830 : : cpl->status.sct, cpl->status.sc);
7831 : : /* Run PI verification for compare data buffer if PI error is detected. */
7832 : 0 : bdev_nvme_verify_pi_error(bio);
7833 : 0 : }
7834 : :
7835 : 56 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7836 : 56 : }
7837 : :
7838 : : static void
7839 : 36 : bdev_nvme_comparev_and_writev_done(void *ref, const struct spdk_nvme_cpl *cpl)
7840 : : {
7841 : 36 : struct nvme_bdev_io *bio = ref;
7842 : :
7843 : : /* Compare operation completion */
7844 [ + + + + : 36 : if (!bio->first_fused_completed) {
# # # # ]
7845 : : /* Save compare result for write callback */
7846 [ # # ]: 18 : bio->cpl = *cpl;
7847 [ # # # # ]: 18 : bio->first_fused_completed = true;
7848 : 18 : return;
7849 : : }
7850 : :
7851 : : /* Write operation completion */
7852 [ + + - + : 18 : if (spdk_nvme_cpl_is_error(&bio->cpl)) {
# # # # #
# # # # #
# # # # #
# ]
7853 : : /* If bio->cpl is already an error, it means the compare operation failed. In that case,
7854 : : * complete the IO with the compare operation's status.
7855 : : */
7856 [ + + + - : 12 : if (!spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
7857 : 4 : SPDK_ERRLOG("Unexpected write success after compare failure.\n");
7858 : 1 : }
7859 : :
7860 [ # # ]: 12 : bdev_nvme_io_complete_nvme_status(bio, &bio->cpl);
7861 : 1 : } else {
7862 : 6 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7863 : : }
7864 : 4 : }
7865 : :
7866 : : static void
7867 : 922816 : bdev_nvme_queued_done(void *ref, const struct spdk_nvme_cpl *cpl)
7868 : : {
7869 : 922816 : struct nvme_bdev_io *bio = ref;
7870 : :
7871 : 922816 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7872 : 922816 : }
7873 : :
7874 : : static int
7875 : 40 : fill_zone_from_report(struct spdk_bdev_zone_info *info, struct spdk_nvme_zns_zone_desc *desc)
7876 : : {
7877 [ + - # # ]: 40 : switch (desc->zt) {
7878 : 40 : case SPDK_NVME_ZONE_TYPE_SEQWR:
7879 [ # # # # ]: 40 : info->type = SPDK_BDEV_ZONE_TYPE_SEQWR;
7880 : 40 : break;
7881 : 0 : default:
7882 [ # # ]: 0 : SPDK_ERRLOG("Invalid zone type: %#x in zone report\n", desc->zt);
7883 : 0 : return -EIO;
7884 : : }
7885 : :
7886 [ + - - - : 40 : switch (desc->zs) {
- - - - #
# ]
7887 : 40 : case SPDK_NVME_ZONE_STATE_EMPTY:
7888 [ # # # # ]: 40 : info->state = SPDK_BDEV_ZONE_STATE_EMPTY;
7889 : 40 : break;
7890 : 0 : case SPDK_NVME_ZONE_STATE_IOPEN:
7891 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_IMP_OPEN;
7892 : 0 : break;
7893 : 0 : case SPDK_NVME_ZONE_STATE_EOPEN:
7894 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_EXP_OPEN;
7895 : 0 : break;
7896 : 0 : case SPDK_NVME_ZONE_STATE_CLOSED:
7897 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_CLOSED;
7898 : 0 : break;
7899 : 0 : case SPDK_NVME_ZONE_STATE_RONLY:
7900 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_READ_ONLY;
7901 : 0 : break;
7902 : 0 : case SPDK_NVME_ZONE_STATE_FULL:
7903 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_FULL;
7904 : 0 : break;
7905 : 0 : case SPDK_NVME_ZONE_STATE_OFFLINE:
7906 [ # # # # ]: 0 : info->state = SPDK_BDEV_ZONE_STATE_OFFLINE;
7907 : 0 : break;
7908 : 0 : default:
7909 [ # # ]: 0 : SPDK_ERRLOG("Invalid zone state: %#x in zone report\n", desc->zs);
7910 : 0 : return -EIO;
7911 : : }
7912 : :
7913 [ # # # # : 40 : info->zone_id = desc->zslba;
# # # # ]
7914 [ # # # # : 40 : info->write_pointer = desc->wp;
# # # # ]
7915 [ # # # # : 40 : info->capacity = desc->zcap;
# # # # ]
7916 : :
7917 : 40 : return 0;
7918 : 0 : }
7919 : :
7920 : : static void
7921 : 1 : bdev_nvme_get_zone_info_done(void *ref, const struct spdk_nvme_cpl *cpl)
7922 : : {
7923 : 1 : struct nvme_bdev_io *bio = ref;
7924 : 1 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
7925 [ # # # # : 1 : uint64_t zone_id = bdev_io->u.zone_mgmt.zone_id;
# # # # ]
7926 [ # # # # : 1 : uint32_t zones_to_copy = bdev_io->u.zone_mgmt.num_zones;
# # # # ]
7927 [ # # # # : 1 : struct spdk_bdev_zone_info *info = bdev_io->u.zone_mgmt.buf;
# # # # ]
7928 : : uint64_t max_zones_per_buf, i;
7929 : : uint32_t zone_report_bufsize;
7930 : : struct spdk_nvme_ns *ns;
7931 : : struct spdk_nvme_qpair *qpair;
7932 : : int ret;
7933 : :
7934 [ + - - + : 1 : if (spdk_nvme_cpl_is_error(cpl)) {
# # # # #
# # # # #
# # ]
7935 : 0 : goto out_complete_io_nvme_cpl;
7936 : : }
7937 : :
7938 [ - + # # : 1 : if (spdk_unlikely(!nvme_io_path_is_available(bio->io_path))) {
# # ]
7939 : 0 : ret = -ENXIO;
7940 : 0 : goto out_complete_io_ret;
7941 : : }
7942 : :
7943 [ # # # # : 1 : ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
7944 [ # # # # : 1 : qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
7945 : :
7946 : 1 : zone_report_bufsize = spdk_nvme_ns_get_max_io_xfer_size(ns);
7947 [ # # ]: 1 : max_zones_per_buf = (zone_report_bufsize - sizeof(*bio->zone_report_buf)) /
7948 : : sizeof(bio->zone_report_buf->descs[0]);
7949 : :
7950 [ - + # # : 1 : if (bio->zone_report_buf->nr_zones > max_zones_per_buf) {
# # # # #
# ]
7951 : 0 : ret = -EINVAL;
7952 : 0 : goto out_complete_io_ret;
7953 : : }
7954 : :
7955 [ - + # # : 1 : if (!bio->zone_report_buf->nr_zones) {
# # # # #
# ]
7956 : 0 : ret = -EINVAL;
7957 : 0 : goto out_complete_io_ret;
7958 : : }
7959 : :
7960 [ + + + - : 41 : for (i = 0; i < bio->zone_report_buf->nr_zones && bio->handled_zones < zones_to_copy; i++) {
# # # # #
# # # # #
# # ]
7961 [ # # # # : 40 : ret = fill_zone_from_report(&info[bio->handled_zones],
# # ]
7962 [ # # # # : 40 : &bio->zone_report_buf->descs[i]);
# # # # ]
7963 [ - + ]: 40 : if (ret) {
7964 : 0 : goto out_complete_io_ret;
7965 : : }
7966 [ # # ]: 40 : bio->handled_zones++;
7967 : 0 : }
7968 : :
7969 [ - + # # : 1 : if (bio->handled_zones < zones_to_copy) {
# # ]
7970 : 0 : uint64_t zone_size_lba = spdk_nvme_zns_ns_get_zone_size_sectors(ns);
7971 [ # # # # ]: 0 : uint64_t slba = zone_id + (zone_size_lba * bio->handled_zones);
7972 : :
7973 [ # # # # : 0 : memset(bio->zone_report_buf, 0, zone_report_bufsize);
# # ]
7974 : 0 : ret = spdk_nvme_zns_report_zones(ns, qpair,
7975 [ # # # # ]: 0 : bio->zone_report_buf, zone_report_bufsize,
7976 : 0 : slba, SPDK_NVME_ZRA_LIST_ALL, true,
7977 : 0 : bdev_nvme_get_zone_info_done, bio);
7978 [ # # ]: 0 : if (!ret) {
7979 : 0 : return;
7980 : : } else {
7981 : 0 : goto out_complete_io_ret;
7982 : : }
7983 : : }
7984 : :
7985 : 1 : out_complete_io_nvme_cpl:
7986 [ # # # # ]: 1 : free(bio->zone_report_buf);
7987 [ # # # # ]: 1 : bio->zone_report_buf = NULL;
7988 : 1 : bdev_nvme_io_complete_nvme_status(bio, cpl);
7989 : 1 : return;
7990 : :
7991 : 0 : out_complete_io_ret:
7992 [ # # # # ]: 0 : free(bio->zone_report_buf);
7993 [ # # # # ]: 0 : bio->zone_report_buf = NULL;
7994 : 0 : bdev_nvme_io_complete(bio, ret);
7995 : 0 : }
7996 : :
7997 : : static void
7998 : 43 : bdev_nvme_zone_management_done(void *ref, const struct spdk_nvme_cpl *cpl)
7999 : : {
8000 : 43 : struct nvme_bdev_io *bio = ref;
8001 : :
8002 : 43 : bdev_nvme_io_complete_nvme_status(bio, cpl);
8003 : 43 : }
8004 : :
8005 : : static void
8006 : 66 : bdev_nvme_admin_passthru_complete_nvme_status(void *ctx)
8007 : : {
8008 : 66 : struct nvme_bdev_io *bio = ctx;
8009 : 66 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8010 [ # # ]: 66 : const struct spdk_nvme_cpl *cpl = &bio->cpl;
8011 : :
8012 [ + + # # : 66 : assert(bdev_nvme_io_type_is_admin(bdev_io->type));
# # # # ]
8013 : :
8014 : 66 : __bdev_nvme_io_complete(bdev_io, 0, cpl);
8015 : 66 : }
8016 : :
8017 : : static void
8018 : 2568 : bdev_nvme_abort_complete(void *ctx)
8019 : : {
8020 : 2568 : struct nvme_bdev_io *bio = ctx;
8021 : 2568 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8022 : :
8023 [ + - + - : 2568 : if (spdk_nvme_cpl_is_abort_success(&bio->cpl)) {
+ + # # #
# # # # #
# # # # #
# # # # #
# # # # ]
8024 : 12 : __bdev_nvme_io_complete(bdev_io, SPDK_BDEV_IO_STATUS_SUCCESS, NULL);
8025 : 3 : } else {
8026 : 2556 : __bdev_nvme_io_complete(bdev_io, SPDK_BDEV_IO_STATUS_FAILED, NULL);
8027 : : }
8028 : 2568 : }
8029 : :
8030 : : static void
8031 : 2568 : bdev_nvme_abort_done(void *ref, const struct spdk_nvme_cpl *cpl)
8032 : : {
8033 : 2568 : struct nvme_bdev_io *bio = ref;
8034 : 2568 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8035 : :
8036 [ # # ]: 2568 : bio->cpl = *cpl;
8037 : 2568 : spdk_thread_send_msg(spdk_bdev_io_get_thread(bdev_io), bdev_nvme_abort_complete, bio);
8038 : 2568 : }
8039 : :
8040 : : static void
8041 : 66 : bdev_nvme_admin_passthru_done(void *ref, const struct spdk_nvme_cpl *cpl)
8042 : : {
8043 : 66 : struct nvme_bdev_io *bio = ref;
8044 : 66 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8045 : :
8046 [ # # ]: 66 : bio->cpl = *cpl;
8047 : 71 : spdk_thread_send_msg(spdk_bdev_io_get_thread(bdev_io),
8048 : 5 : bdev_nvme_admin_passthru_complete_nvme_status, bio);
8049 : 66 : }
8050 : :
8051 : : static void
8052 : 1353045 : bdev_nvme_queued_reset_sgl(void *ref, uint32_t sgl_offset)
8053 : : {
8054 : 1353045 : struct nvme_bdev_io *bio = ref;
8055 : : struct iovec *iov;
8056 : :
8057 [ # # # # ]: 1353045 : bio->iov_offset = sgl_offset;
8058 [ + + # # : 4863411 : for (bio->iovpos = 0; bio->iovpos < bio->iovcnt; bio->iovpos++) {
# # # # #
# # # # #
# # # # ]
8059 [ # # # # : 4863411 : iov = &bio->iovs[bio->iovpos];
# # # # #
# ]
8060 [ + + # # : 4863411 : if (bio->iov_offset < iov->iov_len) {
# # # # #
# ]
8061 : 1353045 : break;
8062 : : }
8063 : :
8064 [ # # # # : 3510366 : bio->iov_offset -= iov->iov_len;
# # # # ]
8065 : 74 : }
8066 : 1353045 : }
8067 : :
8068 : : static int
8069 : 2240150 : bdev_nvme_queued_next_sge(void *ref, void **address, uint32_t *length)
8070 : : {
8071 : 2240150 : struct nvme_bdev_io *bio = ref;
8072 : : struct iovec *iov;
8073 : :
8074 [ + + # # : 2240150 : assert(bio->iovpos < bio->iovcnt);
# # # # #
# # # ]
8075 : :
8076 [ # # # # : 2240150 : iov = &bio->iovs[bio->iovpos];
# # # # #
# ]
8077 : :
8078 [ # # # # : 2240150 : *address = iov->iov_base;
# # ]
8079 [ # # # # : 2240150 : *length = iov->iov_len;
# # ]
8080 : :
8081 [ + + # # : 2240150 : if (bio->iov_offset) {
# # ]
8082 [ - + # # : 110790 : assert(bio->iov_offset <= iov->iov_len);
# # # # #
# # # ]
8083 [ # # # # : 110790 : *address += bio->iov_offset;
# # ]
8084 [ # # # # : 110790 : *length -= bio->iov_offset;
# # ]
8085 : 0 : }
8086 : :
8087 [ # # # # : 2240150 : bio->iov_offset += *length;
# # ]
8088 [ + + # # : 2240150 : if (bio->iov_offset == iov->iov_len) {
# # # # #
# ]
8089 [ # # # # ]: 2240150 : bio->iovpos++;
8090 [ # # # # ]: 2240150 : bio->iov_offset = 0;
8091 : 162 : }
8092 : :
8093 : 2240150 : return 0;
8094 : : }
8095 : :
8096 : : static void
8097 : 20 : bdev_nvme_queued_reset_fused_sgl(void *ref, uint32_t sgl_offset)
8098 : : {
8099 : 20 : struct nvme_bdev_io *bio = ref;
8100 : : struct iovec *iov;
8101 : :
8102 [ # # # # ]: 20 : bio->fused_iov_offset = sgl_offset;
8103 [ + - # # : 20 : for (bio->fused_iovpos = 0; bio->fused_iovpos < bio->fused_iovcnt; bio->fused_iovpos++) {
# # # # #
# # # # #
# # # # ]
8104 [ # # # # : 20 : iov = &bio->fused_iovs[bio->fused_iovpos];
# # # # #
# ]
8105 [ + - # # : 20 : if (bio->fused_iov_offset < iov->iov_len) {
# # # # #
# ]
8106 : 20 : break;
8107 : : }
8108 : :
8109 [ # # # # : 0 : bio->fused_iov_offset -= iov->iov_len;
# # # # ]
8110 : 0 : }
8111 : 20 : }
8112 : :
8113 : : static int
8114 : 20 : bdev_nvme_queued_next_fused_sge(void *ref, void **address, uint32_t *length)
8115 : : {
8116 : 20 : struct nvme_bdev_io *bio = ref;
8117 : : struct iovec *iov;
8118 : :
8119 [ - + # # : 20 : assert(bio->fused_iovpos < bio->fused_iovcnt);
# # # # #
# # # ]
8120 : :
8121 [ # # # # : 20 : iov = &bio->fused_iovs[bio->fused_iovpos];
# # # # #
# ]
8122 : :
8123 [ # # # # : 20 : *address = iov->iov_base;
# # ]
8124 [ # # # # : 20 : *length = iov->iov_len;
# # ]
8125 : :
8126 [ - + # # : 20 : if (bio->fused_iov_offset) {
# # ]
8127 [ # # # # : 0 : assert(bio->fused_iov_offset <= iov->iov_len);
# # # # #
# # # ]
8128 [ # # # # : 0 : *address += bio->fused_iov_offset;
# # ]
8129 [ # # # # : 0 : *length -= bio->fused_iov_offset;
# # ]
8130 : 0 : }
8131 : :
8132 [ # # # # : 20 : bio->fused_iov_offset += *length;
# # ]
8133 [ + - # # : 20 : if (bio->fused_iov_offset == iov->iov_len) {
# # # # #
# ]
8134 [ # # # # ]: 20 : bio->fused_iovpos++;
8135 [ # # # # ]: 20 : bio->fused_iov_offset = 0;
8136 : 0 : }
8137 : :
8138 : 20 : return 0;
8139 : : }
8140 : :
8141 : : static int
8142 : 0 : bdev_nvme_no_pi_readv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8143 : : void *md, uint64_t lba_count, uint64_t lba)
8144 : : {
8145 : : int rc;
8146 : :
8147 [ # # # # : 0 : SPDK_DEBUGLOG(bdev_nvme, "read %" PRIu64 " blocks with offset %#" PRIx64 " without PI check\n",
# # ]
8148 : : lba_count, lba);
8149 : :
8150 [ # # # # ]: 0 : bio->iovs = iov;
8151 [ # # # # ]: 0 : bio->iovcnt = iovcnt;
8152 [ # # # # ]: 0 : bio->iovpos = 0;
8153 [ # # # # ]: 0 : bio->iov_offset = 0;
8154 : :
8155 [ # # # # : 0 : rc = spdk_nvme_ns_cmd_readv_with_md(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8156 [ # # # # : 0 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8157 : 0 : lba, lba_count,
8158 : 0 : bdev_nvme_no_pi_readv_done, bio, 0,
8159 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge,
8160 : 0 : md, 0, 0);
8161 : :
8162 [ # # # # ]: 0 : if (rc != 0 && rc != -ENOMEM) {
8163 : 0 : SPDK_ERRLOG("no_pi_readv failed: rc = %d\n", rc);
8164 : 0 : }
8165 : 0 : return rc;
8166 : : }
8167 : :
8168 : : static int
8169 : 8220815 : bdev_nvme_readv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8170 : : void *md, uint64_t lba_count, uint64_t lba, uint32_t flags,
8171 : : struct spdk_memory_domain *domain, void *domain_ctx,
8172 : : struct spdk_accel_sequence *seq)
8173 : : {
8174 [ + - + - : 8220815 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
+ - + - +
- + - ]
8175 [ + - + - : 8220815 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
+ - + - +
- + - ]
8176 : : int rc;
8177 : :
8178 [ + + + + : 8220815 : SPDK_DEBUGLOG(bdev_nvme, "read %" PRIu64 " blocks with offset %#" PRIx64 "\n",
+ - ]
8179 : : lba_count, lba);
8180 : :
8181 [ + - + - ]: 8220815 : bio->iovs = iov;
8182 [ + - + - ]: 8220815 : bio->iovcnt = iovcnt;
8183 [ + - + - ]: 8220815 : bio->iovpos = 0;
8184 [ + - + - ]: 8220815 : bio->iov_offset = 0;
8185 : :
8186 [ + + + + ]: 8220815 : if (domain != NULL || seq != NULL) {
8187 [ # # # # : 65996 : bio->ext_opts.size = SPDK_SIZEOF(&bio->ext_opts, accel_sequence);
# # ]
8188 [ # # # # : 65996 : bio->ext_opts.memory_domain = domain;
# # ]
8189 [ # # # # : 65996 : bio->ext_opts.memory_domain_ctx = domain_ctx;
# # ]
8190 [ # # # # : 65996 : bio->ext_opts.io_flags = flags;
# # ]
8191 [ # # # # : 65996 : bio->ext_opts.metadata = md;
# # ]
8192 [ # # # # : 65996 : bio->ext_opts.accel_sequence = seq;
# # ]
8193 : :
8194 [ + - ]: 65996 : if (iovcnt == 1) {
8195 [ # # # # : 65983 : rc = spdk_nvme_ns_cmd_read_ext(ns, qpair, iov[0].iov_base, lba, lba_count, bdev_nvme_readv_done,
# # ]
8196 [ # # ]: 1 : bio, &bio->ext_opts);
8197 : 1 : } else {
8198 : 0 : rc = spdk_nvme_ns_cmd_readv_ext(ns, qpair, lba, lba_count,
8199 : 0 : bdev_nvme_readv_done, bio,
8200 : : bdev_nvme_queued_reset_sgl,
8201 : : bdev_nvme_queued_next_sge,
8202 [ # # ]: 0 : &bio->ext_opts);
8203 : : }
8204 [ + + ]: 8154834 : } else if (iovcnt == 1) {
8205 [ - + - + : 8352888 : rc = spdk_nvme_ns_cmd_read_with_md(ns, qpair, iov[0].iov_base,
- + ]
8206 : 285915 : md, lba, lba_count, bdev_nvme_readv_done,
8207 : 285915 : bio, flags, 0, 0);
8208 : 285915 : } else {
8209 : 87862 : rc = spdk_nvme_ns_cmd_readv_with_md(ns, qpair, lba, lba_count,
8210 : 5 : bdev_nvme_readv_done, bio, flags,
8211 : : bdev_nvme_queued_reset_sgl,
8212 : 5 : bdev_nvme_queued_next_sge, md, 0, 0);
8213 : : }
8214 : :
8215 [ + + + + ]: 8220815 : if (spdk_unlikely(rc != 0 && rc != -ENOMEM)) {
8216 : 0 : SPDK_ERRLOG("readv failed: rc = %d\n", rc);
8217 : 0 : }
8218 : 8220815 : return rc;
8219 : : }
8220 : :
8221 : : static int
8222 : 7260286 : bdev_nvme_writev(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8223 : : void *md, uint64_t lba_count, uint64_t lba, uint32_t flags,
8224 : : struct spdk_memory_domain *domain, void *domain_ctx,
8225 : : struct spdk_accel_sequence *seq,
8226 : : union spdk_bdev_nvme_cdw12 cdw12, union spdk_bdev_nvme_cdw13 cdw13)
8227 : : {
8228 [ # # # # : 7260286 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8229 [ # # # # : 7260286 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8230 : : int rc;
8231 : :
8232 [ + + - + : 7260286 : SPDK_DEBUGLOG(bdev_nvme, "write %" PRIu64 " blocks with offset %#" PRIx64 "\n",
# # ]
8233 : : lba_count, lba);
8234 : :
8235 [ # # # # ]: 7260286 : bio->iovs = iov;
8236 [ # # # # ]: 7260286 : bio->iovcnt = iovcnt;
8237 [ # # # # ]: 7260286 : bio->iovpos = 0;
8238 [ # # # # ]: 7260286 : bio->iov_offset = 0;
8239 : :
8240 [ + + + + ]: 7260286 : if (domain != NULL || seq != NULL) {
8241 [ # # # # : 65996 : bio->ext_opts.size = SPDK_SIZEOF(&bio->ext_opts, accel_sequence);
# # ]
8242 [ # # # # : 65996 : bio->ext_opts.memory_domain = domain;
# # ]
8243 [ # # # # : 65996 : bio->ext_opts.memory_domain_ctx = domain_ctx;
# # ]
8244 [ - + # # : 65996 : bio->ext_opts.io_flags = flags | SPDK_NVME_IO_FLAGS_DIRECTIVE(cdw12.write.dtype);
# # # # #
# ]
8245 [ # # # # : 65996 : bio->ext_opts.cdw13 = cdw13.raw;
# # ]
8246 [ # # # # : 65996 : bio->ext_opts.metadata = md;
# # ]
8247 [ # # # # : 65996 : bio->ext_opts.accel_sequence = seq;
# # ]
8248 : :
8249 [ + - ]: 65996 : if (iovcnt == 1) {
8250 [ # # # # : 65978 : rc = spdk_nvme_ns_cmd_write_ext(ns, qpair, iov[0].iov_base, lba, lba_count, bdev_nvme_writev_done,
# # ]
8251 [ # # ]: 0 : bio, &bio->ext_opts);
8252 : 0 : } else {
8253 : 0 : rc = spdk_nvme_ns_cmd_writev_ext(ns, qpair, lba, lba_count,
8254 : 0 : bdev_nvme_writev_done, bio,
8255 : : bdev_nvme_queued_reset_sgl,
8256 : : bdev_nvme_queued_next_sge,
8257 [ # # ]: 0 : &bio->ext_opts);
8258 : : }
8259 [ + + ]: 7194308 : } else if (iovcnt == 1) {
8260 [ # # # # : 7373479 : rc = spdk_nvme_ns_cmd_write_with_md(ns, qpair, iov[0].iov_base,
# # ]
8261 : 286266 : md, lba, lba_count, bdev_nvme_writev_done,
8262 : 286266 : bio, flags, 0, 0);
8263 : 286266 : } else {
8264 : 107097 : rc = spdk_nvme_ns_cmd_writev_with_md(ns, qpair, lba, lba_count,
8265 : 2 : bdev_nvme_writev_done, bio, flags,
8266 : : bdev_nvme_queued_reset_sgl,
8267 : 2 : bdev_nvme_queued_next_sge, md, 0, 0);
8268 : : }
8269 : :
8270 [ + + - + ]: 7260286 : if (spdk_unlikely(rc != 0 && rc != -ENOMEM)) {
8271 : 0 : SPDK_ERRLOG("writev failed: rc = %d\n", rc);
8272 : 0 : }
8273 : 7260286 : return rc;
8274 : : }
8275 : :
8276 : : static int
8277 : 242895 : bdev_nvme_zone_appendv(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8278 : : void *md, uint64_t lba_count, uint64_t zslba,
8279 : : uint32_t flags)
8280 : : {
8281 [ # # # # : 242895 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8282 [ # # # # : 242895 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8283 : : int rc;
8284 : :
8285 [ - + # # : 242895 : SPDK_DEBUGLOG(bdev_nvme, "zone append %" PRIu64 " blocks to zone start lba %#" PRIx64 "\n",
# # ]
8286 : : lba_count, zslba);
8287 : :
8288 [ # # # # ]: 242895 : bio->iovs = iov;
8289 [ # # # # ]: 242895 : bio->iovcnt = iovcnt;
8290 [ # # # # ]: 242895 : bio->iovpos = 0;
8291 [ # # # # ]: 242895 : bio->iov_offset = 0;
8292 : :
8293 [ + - ]: 242895 : if (iovcnt == 1) {
8294 [ # # # # : 242895 : rc = spdk_nvme_zns_zone_append_with_md(ns, qpair, iov[0].iov_base, md, zslba,
# # ]
8295 : 0 : lba_count,
8296 : 0 : bdev_nvme_zone_appendv_done, bio,
8297 : 0 : flags,
8298 : : 0, 0);
8299 : 0 : } else {
8300 : 0 : rc = spdk_nvme_zns_zone_appendv_with_md(ns, qpair, zslba, lba_count,
8301 : 0 : bdev_nvme_zone_appendv_done, bio, flags,
8302 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge,
8303 : 0 : md, 0, 0);
8304 : : }
8305 : :
8306 [ - + - - ]: 242895 : if (rc != 0 && rc != -ENOMEM) {
8307 : 0 : SPDK_ERRLOG("zone append failed: rc = %d\n", rc);
8308 : 0 : }
8309 : 242895 : return rc;
8310 : : }
8311 : :
8312 : : static int
8313 : 56 : bdev_nvme_comparev(struct nvme_bdev_io *bio, struct iovec *iov, int iovcnt,
8314 : : void *md, uint64_t lba_count, uint64_t lba,
8315 : : uint32_t flags)
8316 : : {
8317 : : int rc;
8318 : :
8319 [ + + - + : 56 : SPDK_DEBUGLOG(bdev_nvme, "compare %" PRIu64 " blocks with offset %#" PRIx64 "\n",
# # ]
8320 : : lba_count, lba);
8321 : :
8322 [ # # # # ]: 56 : bio->iovs = iov;
8323 [ # # # # ]: 56 : bio->iovcnt = iovcnt;
8324 [ # # # # ]: 56 : bio->iovpos = 0;
8325 [ # # # # ]: 56 : bio->iov_offset = 0;
8326 : :
8327 [ # # # # : 59 : rc = spdk_nvme_ns_cmd_comparev_with_md(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8328 [ # # # # : 56 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8329 : 3 : lba, lba_count,
8330 : 3 : bdev_nvme_comparev_done, bio, flags,
8331 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge,
8332 : 3 : md, 0, 0);
8333 : :
8334 [ - + - - ]: 56 : if (rc != 0 && rc != -ENOMEM) {
8335 : 0 : SPDK_ERRLOG("comparev failed: rc = %d\n", rc);
8336 : 0 : }
8337 : 56 : return rc;
8338 : : }
8339 : :
8340 : : static int
8341 : 18 : bdev_nvme_comparev_and_writev(struct nvme_bdev_io *bio, struct iovec *cmp_iov, int cmp_iovcnt,
8342 : : struct iovec *write_iov, int write_iovcnt,
8343 : : void *md, uint64_t lba_count, uint64_t lba, uint32_t flags)
8344 : : {
8345 [ # # # # : 18 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8346 [ # # # # : 18 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8347 : 18 : struct spdk_bdev_io *bdev_io = spdk_bdev_io_from_ctx(bio);
8348 : : int rc;
8349 : :
8350 [ + + - + : 18 : SPDK_DEBUGLOG(bdev_nvme, "compare and write %" PRIu64 " blocks with offset %#" PRIx64 "\n",
# # ]
8351 : : lba_count, lba);
8352 : :
8353 [ # # # # ]: 18 : bio->iovs = cmp_iov;
8354 [ # # # # ]: 18 : bio->iovcnt = cmp_iovcnt;
8355 [ # # # # ]: 18 : bio->iovpos = 0;
8356 [ # # # # ]: 18 : bio->iov_offset = 0;
8357 [ # # # # ]: 18 : bio->fused_iovs = write_iov;
8358 [ # # # # ]: 18 : bio->fused_iovcnt = write_iovcnt;
8359 [ # # # # ]: 18 : bio->fused_iovpos = 0;
8360 [ # # # # ]: 18 : bio->fused_iov_offset = 0;
8361 : :
8362 [ + + # # : 18 : if (bdev_io->num_retries == 0) {
# # ]
8363 [ # # # # ]: 18 : bio->first_fused_submitted = false;
8364 [ # # # # ]: 18 : bio->first_fused_completed = false;
8365 : 2 : }
8366 : :
8367 [ + + + - : 18 : if (!bio->first_fused_submitted) {
# # # # ]
8368 [ # # # # ]: 18 : flags |= SPDK_NVME_IO_FLAGS_FUSE_FIRST;
8369 [ - + # # ]: 18 : memset(&bio->cpl, 0, sizeof(bio->cpl));
8370 : :
8371 : 20 : rc = spdk_nvme_ns_cmd_comparev_with_md(ns, qpair, lba, lba_count,
8372 : 2 : bdev_nvme_comparev_and_writev_done, bio, flags,
8373 : 2 : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge, md, 0, 0);
8374 [ + + ]: 18 : if (rc == 0) {
8375 [ # # # # ]: 18 : bio->first_fused_submitted = true;
8376 [ # # # # ]: 18 : flags &= ~SPDK_NVME_IO_FLAGS_FUSE_FIRST;
8377 : 2 : } else {
8378 [ # # ]: 0 : if (rc != -ENOMEM) {
8379 : 0 : SPDK_ERRLOG("compare failed: rc = %d\n", rc);
8380 : 0 : }
8381 : 0 : return rc;
8382 : : }
8383 : 2 : }
8384 : :
8385 [ # # # # ]: 18 : flags |= SPDK_NVME_IO_FLAGS_FUSE_SECOND;
8386 : :
8387 : 20 : rc = spdk_nvme_ns_cmd_writev_with_md(ns, qpair, lba, lba_count,
8388 : 2 : bdev_nvme_comparev_and_writev_done, bio, flags,
8389 : 2 : bdev_nvme_queued_reset_fused_sgl, bdev_nvme_queued_next_fused_sge, md, 0, 0);
8390 [ - + - - ]: 18 : if (rc != 0 && rc != -ENOMEM) {
8391 : 0 : SPDK_ERRLOG("write failed: rc = %d\n", rc);
8392 : 0 : rc = 0;
8393 : 0 : }
8394 : :
8395 : 18 : return rc;
8396 : 2 : }
8397 : :
8398 : : static int
8399 : 14691 : bdev_nvme_unmap(struct nvme_bdev_io *bio, uint64_t offset_blocks, uint64_t num_blocks)
8400 : : {
8401 : 4992 : struct spdk_nvme_dsm_range dsm_ranges[SPDK_NVME_DATASET_MANAGEMENT_MAX_RANGES];
8402 : : struct spdk_nvme_dsm_range *range;
8403 : : uint64_t offset, remaining;
8404 : : uint64_t num_ranges_u64;
8405 : : uint16_t num_ranges;
8406 : : int rc;
8407 : :
8408 [ # # ]: 14691 : num_ranges_u64 = (num_blocks + SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS - 1) /
8409 : : SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8410 [ - + ]: 14691 : if (num_ranges_u64 > SPDK_COUNTOF(dsm_ranges)) {
8411 : 0 : SPDK_ERRLOG("Unmap request for %" PRIu64 " blocks is too large\n", num_blocks);
8412 : 0 : return -EINVAL;
8413 : : }
8414 : 14691 : num_ranges = (uint16_t)num_ranges_u64;
8415 : :
8416 : 14691 : offset = offset_blocks;
8417 : 14691 : remaining = num_blocks;
8418 [ # # # # ]: 14691 : range = &dsm_ranges[0];
8419 : :
8420 : : /* Fill max-size ranges until the remaining blocks fit into one range */
8421 [ - + ]: 14691 : while (remaining > SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS) {
8422 [ # # # # : 0 : range->attributes.raw = 0;
# # ]
8423 [ # # # # ]: 0 : range->length = SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8424 [ # # # # ]: 0 : range->starting_lba = offset;
8425 : :
8426 : 0 : offset += SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8427 : 0 : remaining -= SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS;
8428 [ # # ]: 0 : range++;
8429 : : }
8430 : :
8431 : : /* Final range describes the remaining blocks */
8432 [ # # # # : 14691 : range->attributes.raw = 0;
# # ]
8433 [ # # # # ]: 14691 : range->length = remaining;
8434 [ # # # # ]: 14691 : range->starting_lba = offset;
8435 : :
8436 [ # # # # : 14694 : rc = spdk_nvme_ns_cmd_dataset_management(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8437 [ # # # # : 14691 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8438 : : SPDK_NVME_DSM_ATTR_DEALLOCATE,
8439 : 3 : dsm_ranges, num_ranges,
8440 : 3 : bdev_nvme_queued_done, bio);
8441 : :
8442 : 14691 : return rc;
8443 : 3 : }
8444 : :
8445 : : static int
8446 : 908074 : bdev_nvme_write_zeroes(struct nvme_bdev_io *bio, uint64_t offset_blocks, uint64_t num_blocks)
8447 : : {
8448 [ - + ]: 908074 : if (num_blocks > UINT16_MAX + 1) {
8449 : 0 : SPDK_ERRLOG("NVMe write zeroes is limited to 16-bit block count\n");
8450 : 0 : return -EINVAL;
8451 : : }
8452 : :
8453 [ # # # # : 968623 : return spdk_nvme_ns_cmd_write_zeroes(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8454 [ # # # # : 908074 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8455 : 60549 : offset_blocks, num_blocks,
8456 : 60549 : bdev_nvme_queued_done, bio,
8457 : : 0);
8458 : 60549 : }
8459 : :
8460 : : static int
8461 : 1 : bdev_nvme_get_zone_info(struct nvme_bdev_io *bio, uint64_t zone_id, uint32_t num_zones,
8462 : : struct spdk_bdev_zone_info *info)
8463 : : {
8464 [ # # # # : 1 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8465 [ # # # # : 1 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8466 : 1 : uint32_t zone_report_bufsize = spdk_nvme_ns_get_max_io_xfer_size(ns);
8467 : 1 : uint64_t zone_size = spdk_nvme_zns_ns_get_zone_size_sectors(ns);
8468 : 1 : uint64_t total_zones = spdk_nvme_zns_ns_get_num_zones(ns);
8469 : :
8470 [ - + # # ]: 1 : if (zone_id % zone_size != 0) {
8471 : 0 : return -EINVAL;
8472 : : }
8473 : :
8474 [ + - - + ]: 1 : if (num_zones > total_zones || !num_zones) {
8475 : 0 : return -EINVAL;
8476 : : }
8477 : :
8478 [ - + # # : 1 : assert(!bio->zone_report_buf);
# # # # ]
8479 [ # # # # ]: 1 : bio->zone_report_buf = calloc(1, zone_report_bufsize);
8480 [ - + # # : 1 : if (!bio->zone_report_buf) {
# # ]
8481 : 0 : return -ENOMEM;
8482 : : }
8483 : :
8484 [ # # # # ]: 1 : bio->handled_zones = 0;
8485 : :
8486 [ # # # # ]: 1 : return spdk_nvme_zns_report_zones(ns, qpair, bio->zone_report_buf, zone_report_bufsize,
8487 : 0 : zone_id, SPDK_NVME_ZRA_LIST_ALL, true,
8488 : 0 : bdev_nvme_get_zone_info_done, bio);
8489 : 0 : }
8490 : :
8491 : : static int
8492 : 43 : bdev_nvme_zone_management(struct nvme_bdev_io *bio, uint64_t zone_id,
8493 : : enum spdk_bdev_zone_action action)
8494 : : {
8495 [ # # # # : 43 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8496 [ # # # # : 43 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8497 : :
8498 [ - - - + : 43 : switch (action) {
- - ]
8499 : 0 : case SPDK_BDEV_ZONE_CLOSE:
8500 : 0 : return spdk_nvme_zns_close_zone(ns, qpair, zone_id, false,
8501 : 0 : bdev_nvme_zone_management_done, bio);
8502 : 0 : case SPDK_BDEV_ZONE_FINISH:
8503 : 0 : return spdk_nvme_zns_finish_zone(ns, qpair, zone_id, false,
8504 : 0 : bdev_nvme_zone_management_done, bio);
8505 : 0 : case SPDK_BDEV_ZONE_OPEN:
8506 : 0 : return spdk_nvme_zns_open_zone(ns, qpair, zone_id, false,
8507 : 0 : bdev_nvme_zone_management_done, bio);
8508 : 43 : case SPDK_BDEV_ZONE_RESET:
8509 : 43 : return spdk_nvme_zns_reset_zone(ns, qpair, zone_id, false,
8510 : 0 : bdev_nvme_zone_management_done, bio);
8511 : 0 : case SPDK_BDEV_ZONE_OFFLINE:
8512 : 0 : return spdk_nvme_zns_offline_zone(ns, qpair, zone_id, false,
8513 : 0 : bdev_nvme_zone_management_done, bio);
8514 : 0 : default:
8515 : 0 : return -EINVAL;
8516 : : }
8517 : 0 : }
8518 : :
8519 : : static void
8520 : 70 : bdev_nvme_admin_passthru(struct nvme_bdev_channel *nbdev_ch, struct nvme_bdev_io *bio,
8521 : : struct spdk_nvme_cmd *cmd, void *buf, size_t nbytes)
8522 : : {
8523 : : struct nvme_io_path *io_path;
8524 : : struct nvme_ctrlr *nvme_ctrlr;
8525 : : uint32_t max_xfer_size;
8526 : 70 : int rc = -ENXIO;
8527 : :
8528 : : /* Choose the first ctrlr which is not failed. */
8529 [ + + # # : 82 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
8530 [ # # # # : 78 : nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
8531 : :
8532 : : /* We should skip any unavailable nvme_ctrlr rather than checking
8533 : : * if the return value of spdk_nvme_ctrlr_cmd_admin_raw() is -ENXIO.
8534 : : */
8535 [ + + ]: 78 : if (!nvme_ctrlr_is_available(nvme_ctrlr)) {
8536 : 12 : continue;
8537 : : }
8538 : :
8539 [ # # # # ]: 66 : max_xfer_size = spdk_nvme_ctrlr_get_max_xfer_size(nvme_ctrlr->ctrlr);
8540 : :
8541 [ + + ]: 66 : if (nbytes > max_xfer_size) {
8542 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8543 : 0 : rc = -EINVAL;
8544 : 0 : goto err;
8545 : : }
8546 : :
8547 [ # # # # ]: 71 : rc = spdk_nvme_ctrlr_cmd_admin_raw(nvme_ctrlr->ctrlr, cmd, buf, (uint32_t)nbytes,
8548 : 5 : bdev_nvme_admin_passthru_done, bio);
8549 [ + + ]: 66 : if (rc == 0) {
8550 : 66 : return;
8551 : : }
8552 : 1 : }
8553 : :
8554 : 3 : err:
8555 : 4 : bdev_nvme_admin_complete(bio, rc);
8556 : 6 : }
8557 : :
8558 : : static int
8559 : 69 : bdev_nvme_io_passthru(struct nvme_bdev_io *bio, struct spdk_nvme_cmd *cmd,
8560 : : void *buf, size_t nbytes)
8561 : : {
8562 [ # # # # : 69 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8563 [ # # # # : 69 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8564 : 69 : uint32_t max_xfer_size = spdk_nvme_ns_get_max_io_xfer_size(ns);
8565 : 69 : struct spdk_nvme_ctrlr *ctrlr = spdk_nvme_ns_get_ctrlr(ns);
8566 : :
8567 [ - + ]: 69 : if (nbytes > max_xfer_size) {
8568 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8569 : 0 : return -EINVAL;
8570 : : }
8571 : :
8572 : : /*
8573 : : * Each NVMe bdev is a specific namespace, and all NVMe I/O commands require a nsid,
8574 : : * so fill it out automatically.
8575 : : */
8576 [ # # # # ]: 69 : cmd->nsid = spdk_nvme_ns_get_id(ns);
8577 : :
8578 : 72 : return spdk_nvme_ctrlr_cmd_io_raw(ctrlr, qpair, cmd, buf,
8579 : 3 : (uint32_t)nbytes, bdev_nvme_queued_done, bio);
8580 : 3 : }
8581 : :
8582 : : static int
8583 : 0 : bdev_nvme_io_passthru_md(struct nvme_bdev_io *bio, struct spdk_nvme_cmd *cmd,
8584 : : void *buf, size_t nbytes, void *md_buf, size_t md_len)
8585 : : {
8586 [ # # # # : 0 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8587 [ # # # # : 0 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8588 [ # # ]: 0 : size_t nr_sectors = nbytes / spdk_nvme_ns_get_extended_sector_size(ns);
8589 : 0 : uint32_t max_xfer_size = spdk_nvme_ns_get_max_io_xfer_size(ns);
8590 : 0 : struct spdk_nvme_ctrlr *ctrlr = spdk_nvme_ns_get_ctrlr(ns);
8591 : :
8592 [ # # ]: 0 : if (nbytes > max_xfer_size) {
8593 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8594 : 0 : return -EINVAL;
8595 : : }
8596 : :
8597 [ # # ]: 0 : if (md_len != nr_sectors * spdk_nvme_ns_get_md_size(ns)) {
8598 : 0 : SPDK_ERRLOG("invalid meta data buffer size\n");
8599 : 0 : return -EINVAL;
8600 : : }
8601 : :
8602 : : /*
8603 : : * Each NVMe bdev is a specific namespace, and all NVMe I/O commands require a nsid,
8604 : : * so fill it out automatically.
8605 : : */
8606 [ # # # # ]: 0 : cmd->nsid = spdk_nvme_ns_get_id(ns);
8607 : :
8608 : 0 : return spdk_nvme_ctrlr_cmd_io_raw_with_md(ctrlr, qpair, cmd, buf,
8609 : 0 : (uint32_t)nbytes, md_buf, bdev_nvme_queued_done, bio);
8610 : 0 : }
8611 : :
8612 : : static int
8613 : 0 : bdev_nvme_iov_passthru_md(struct nvme_bdev_io *bio,
8614 : : struct spdk_nvme_cmd *cmd, struct iovec *iov, int iovcnt,
8615 : : size_t nbytes, void *md_buf, size_t md_len)
8616 : : {
8617 [ # # # # : 0 : struct spdk_nvme_ns *ns = bio->io_path->nvme_ns->ns;
# # # # #
# # # ]
8618 [ # # # # : 0 : struct spdk_nvme_qpair *qpair = bio->io_path->qpair->qpair;
# # # # #
# # # ]
8619 [ # # ]: 0 : size_t nr_sectors = nbytes / spdk_nvme_ns_get_extended_sector_size(ns);
8620 : 0 : uint32_t max_xfer_size = spdk_nvme_ns_get_max_io_xfer_size(ns);
8621 : 0 : struct spdk_nvme_ctrlr *ctrlr = spdk_nvme_ns_get_ctrlr(ns);
8622 : :
8623 [ # # # # ]: 0 : bio->iovs = iov;
8624 [ # # # # ]: 0 : bio->iovcnt = iovcnt;
8625 [ # # # # ]: 0 : bio->iovpos = 0;
8626 [ # # # # ]: 0 : bio->iov_offset = 0;
8627 : :
8628 [ # # ]: 0 : if (nbytes > max_xfer_size) {
8629 : 0 : SPDK_ERRLOG("nbytes is greater than MDTS %" PRIu32 ".\n", max_xfer_size);
8630 : 0 : return -EINVAL;
8631 : : }
8632 : :
8633 [ # # ]: 0 : if (md_len != nr_sectors * spdk_nvme_ns_get_md_size(ns)) {
8634 : 0 : SPDK_ERRLOG("invalid meta data buffer size\n");
8635 : 0 : return -EINVAL;
8636 : : }
8637 : :
8638 : : /*
8639 : : * Each NVMe bdev is a specific namespace, and all NVMe I/O commands
8640 : : * require a nsid, so fill it out automatically.
8641 : : */
8642 [ # # # # ]: 0 : cmd->nsid = spdk_nvme_ns_get_id(ns);
8643 : :
8644 : 0 : return spdk_nvme_ctrlr_cmd_iov_raw_with_md(
8645 : 0 : ctrlr, qpair, cmd, (uint32_t)nbytes, md_buf, bdev_nvme_queued_done, bio,
8646 : : bdev_nvme_queued_reset_sgl, bdev_nvme_queued_next_sge);
8647 : 0 : }
8648 : :
8649 : : static void
8650 : 2580 : bdev_nvme_abort(struct nvme_bdev_channel *nbdev_ch, struct nvme_bdev_io *bio,
8651 : : struct nvme_bdev_io *bio_to_abort)
8652 : : {
8653 : : struct nvme_io_path *io_path;
8654 : 2580 : int rc = 0;
8655 : :
8656 : 2580 : rc = bdev_nvme_abort_retry_io(nbdev_ch, bio_to_abort);
8657 [ + + ]: 2580 : if (rc == 0) {
8658 : 4 : bdev_nvme_admin_complete(bio, 0);
8659 : 4 : return;
8660 : : }
8661 : :
8662 [ # # # # ]: 2576 : io_path = bio_to_abort->io_path;
8663 [ + + ]: 2576 : if (io_path != NULL) {
8664 [ # # # # : 2571 : rc = spdk_nvme_ctrlr_cmd_abort_ext(io_path->qpair->ctrlr->ctrlr,
# # # # #
# # # ]
8665 [ # # # # : 2568 : io_path->qpair->qpair,
# # # # ]
8666 : 3 : bio_to_abort,
8667 : 3 : bdev_nvme_abort_done, bio);
8668 : 3 : } else {
8669 [ + + # # : 12 : STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
8670 [ # # # # : 10 : rc = spdk_nvme_ctrlr_cmd_abort_ext(io_path->qpair->ctrlr->ctrlr,
# # # # #
# # # ]
8671 : : NULL,
8672 : 2 : bio_to_abort,
8673 : 2 : bdev_nvme_abort_done, bio);
8674 : :
8675 [ + + ]: 8 : if (rc != -ENOENT) {
8676 : 4 : break;
8677 : : }
8678 : 1 : }
8679 : : }
8680 : :
8681 [ + + ]: 2576 : if (rc != 0) {
8682 : : /* If no command was found or there was any error, complete the abort
8683 : : * request with failure.
8684 : : */
8685 : 8 : bdev_nvme_admin_complete(bio, rc);
8686 : 2 : }
8687 : 6 : }
8688 : :
8689 : : static int
8690 : 30 : bdev_nvme_copy(struct nvme_bdev_io *bio, uint64_t dst_offset_blocks, uint64_t src_offset_blocks,
8691 : : uint64_t num_blocks)
8692 : : {
8693 : 32 : struct spdk_nvme_scc_source_range range = {
8694 : 1 : .slba = src_offset_blocks,
8695 : 30 : .nlb = num_blocks - 1
8696 : : };
8697 : :
8698 [ # # # # : 39 : return spdk_nvme_ns_cmd_copy(bio->io_path->nvme_ns->ns,
# # # # #
# # # ]
8699 [ # # # # : 30 : bio->io_path->qpair->qpair,
# # # # #
# # # ]
8700 : 1 : &range, 1, dst_offset_blocks,
8701 : 1 : bdev_nvme_queued_done, bio);
8702 : : }
8703 : :
8704 : : static void
8705 : 142 : bdev_nvme_opts_config_json(struct spdk_json_write_ctx *w)
8706 : : {
8707 : : const char *action;
8708 : : uint32_t i;
8709 : :
8710 [ - + ]: 142 : if (g_opts.action_on_timeout == SPDK_BDEV_NVME_TIMEOUT_ACTION_RESET) {
8711 : 0 : action = "reset";
8712 [ + + ]: 142 : } else if (g_opts.action_on_timeout == SPDK_BDEV_NVME_TIMEOUT_ACTION_ABORT) {
8713 : 7 : action = "abort";
8714 : 1 : } else {
8715 : 135 : action = "none";
8716 : : }
8717 : :
8718 : 142 : spdk_json_write_object_begin(w);
8719 : :
8720 : 142 : spdk_json_write_named_string(w, "method", "bdev_nvme_set_options");
8721 : :
8722 : 142 : spdk_json_write_named_object_begin(w, "params");
8723 : 142 : spdk_json_write_named_string(w, "action_on_timeout", action);
8724 [ + - ]: 142 : spdk_json_write_named_uint64(w, "timeout_us", g_opts.timeout_us);
8725 [ + - ]: 142 : spdk_json_write_named_uint64(w, "timeout_admin_us", g_opts.timeout_admin_us);
8726 [ + - ]: 142 : spdk_json_write_named_uint32(w, "keep_alive_timeout_ms", g_opts.keep_alive_timeout_ms);
8727 [ + - ]: 142 : spdk_json_write_named_uint32(w, "arbitration_burst", g_opts.arbitration_burst);
8728 [ + - ]: 142 : spdk_json_write_named_uint32(w, "low_priority_weight", g_opts.low_priority_weight);
8729 [ + - ]: 142 : spdk_json_write_named_uint32(w, "medium_priority_weight", g_opts.medium_priority_weight);
8730 [ + - ]: 142 : spdk_json_write_named_uint32(w, "high_priority_weight", g_opts.high_priority_weight);
8731 [ + - ]: 142 : spdk_json_write_named_uint64(w, "nvme_adminq_poll_period_us", g_opts.nvme_adminq_poll_period_us);
8732 [ + - ]: 142 : spdk_json_write_named_uint64(w, "nvme_ioq_poll_period_us", g_opts.nvme_ioq_poll_period_us);
8733 [ + - ]: 142 : spdk_json_write_named_uint32(w, "io_queue_requests", g_opts.io_queue_requests);
8734 [ + + + - ]: 142 : spdk_json_write_named_bool(w, "delay_cmd_submit", g_opts.delay_cmd_submit);
8735 [ + - ]: 142 : spdk_json_write_named_uint32(w, "transport_retry_count", g_opts.transport_retry_count);
8736 [ + - ]: 142 : spdk_json_write_named_int32(w, "bdev_retry_count", g_opts.bdev_retry_count);
8737 [ + - ]: 142 : spdk_json_write_named_uint8(w, "transport_ack_timeout", g_opts.transport_ack_timeout);
8738 [ + - ]: 142 : spdk_json_write_named_int32(w, "ctrlr_loss_timeout_sec", g_opts.ctrlr_loss_timeout_sec);
8739 [ + - ]: 142 : spdk_json_write_named_uint32(w, "reconnect_delay_sec", g_opts.reconnect_delay_sec);
8740 [ + - ]: 142 : spdk_json_write_named_uint32(w, "fast_io_fail_timeout_sec", g_opts.fast_io_fail_timeout_sec);
8741 [ + + + - ]: 142 : spdk_json_write_named_bool(w, "disable_auto_failback", g_opts.disable_auto_failback);
8742 [ + + ]: 142 : spdk_json_write_named_bool(w, "generate_uuids", g_opts.generate_uuids);
8743 [ + - ]: 142 : spdk_json_write_named_uint8(w, "transport_tos", g_opts.transport_tos);
8744 [ + + ]: 142 : spdk_json_write_named_bool(w, "nvme_error_stat", g_opts.nvme_error_stat);
8745 [ + - ]: 142 : spdk_json_write_named_uint32(w, "rdma_srq_size", g_opts.rdma_srq_size);
8746 [ + + + - ]: 142 : spdk_json_write_named_bool(w, "io_path_stat", g_opts.io_path_stat);
8747 [ + + ]: 142 : spdk_json_write_named_bool(w, "allow_accel_sequence", g_opts.allow_accel_sequence);
8748 [ + - ]: 142 : spdk_json_write_named_uint32(w, "rdma_max_cq_size", g_opts.rdma_max_cq_size);
8749 [ + - ]: 142 : spdk_json_write_named_uint16(w, "rdma_cm_event_timeout_ms", g_opts.rdma_cm_event_timeout_ms);
8750 : 142 : spdk_json_write_named_array_begin(w, "dhchap_digests");
8751 [ + + ]: 4686 : for (i = 0; i < 32; ++i) {
8752 [ + + + + : 4544 : if (g_opts.dhchap_digests & SPDK_BIT(i)) {
+ + ]
8753 : 426 : spdk_json_write_string(w, spdk_nvme_dhchap_get_digest_name(i));
8754 : 33 : }
8755 : 352 : }
8756 : 142 : spdk_json_write_array_end(w);
8757 : 142 : spdk_json_write_named_array_begin(w, "dhchap_dhgroups");
8758 [ + + ]: 4686 : for (i = 0; i < 32; ++i) {
8759 [ + + + + : 4544 : if (g_opts.dhchap_dhgroups & SPDK_BIT(i)) {
+ + ]
8760 : 852 : spdk_json_write_string(w, spdk_nvme_dhchap_get_dhgroup_name(i));
8761 : 66 : }
8762 : 352 : }
8763 : :
8764 : 142 : spdk_json_write_array_end(w);
8765 : 142 : spdk_json_write_object_end(w);
8766 : :
8767 : 142 : spdk_json_write_object_end(w);
8768 : 142 : }
8769 : :
8770 : : static void
8771 : 0 : bdev_nvme_discovery_config_json(struct spdk_json_write_ctx *w, struct discovery_ctx *ctx)
8772 : : {
8773 : 0 : struct spdk_nvme_transport_id trid;
8774 : :
8775 : 0 : spdk_json_write_object_begin(w);
8776 : :
8777 : 0 : spdk_json_write_named_string(w, "method", "bdev_nvme_start_discovery");
8778 : :
8779 : 0 : spdk_json_write_named_object_begin(w, "params");
8780 [ # # # # ]: 0 : spdk_json_write_named_string(w, "name", ctx->name);
8781 [ # # # # ]: 0 : spdk_json_write_named_string(w, "hostnqn", ctx->hostnqn);
8782 : :
8783 [ # # ]: 0 : trid = ctx->trid;
8784 [ # # ]: 0 : memset(trid.subnqn, 0, sizeof(trid.subnqn));
8785 : 0 : nvme_bdev_dump_trid_json(&trid, w);
8786 : :
8787 [ # # # # : 0 : spdk_json_write_named_bool(w, "wait_for_attach", ctx->wait_for_attach);
# # ]
8788 [ # # # # : 0 : spdk_json_write_named_int32(w, "ctrlr_loss_timeout_sec", ctx->bdev_opts.ctrlr_loss_timeout_sec);
# # ]
8789 [ # # # # : 0 : spdk_json_write_named_uint32(w, "reconnect_delay_sec", ctx->bdev_opts.reconnect_delay_sec);
# # ]
8790 : 0 : spdk_json_write_named_uint32(w, "fast_io_fail_timeout_sec",
8791 [ # # # # : 0 : ctx->bdev_opts.fast_io_fail_timeout_sec);
# # ]
8792 : 0 : spdk_json_write_object_end(w);
8793 : :
8794 : 0 : spdk_json_write_object_end(w);
8795 : 0 : }
8796 : :
8797 : : #ifdef SPDK_CONFIG_NVME_CUSE
8798 : : static void
8799 : 90 : nvme_ctrlr_cuse_config_json(struct spdk_json_write_ctx *w,
8800 : : struct nvme_ctrlr *nvme_ctrlr)
8801 : 90 : {
8802 : 90 : size_t cuse_name_size = 128;
8803 [ - + ]: 90 : char cuse_name[cuse_name_size];
8804 : :
8805 [ + - # # : 90 : if (spdk_nvme_cuse_get_ctrlr_name(nvme_ctrlr->ctrlr,
# # # # ]
8806 : 0 : cuse_name, &cuse_name_size) != 0) {
8807 : 90 : return;
8808 : : }
8809 : :
8810 : 0 : spdk_json_write_object_begin(w);
8811 : :
8812 : 0 : spdk_json_write_named_string(w, "method", "bdev_nvme_cuse_register");
8813 : :
8814 : 0 : spdk_json_write_named_object_begin(w, "params");
8815 [ # # # # : 0 : spdk_json_write_named_string(w, "name", nvme_ctrlr->nbdev_ctrlr->name);
# # # # ]
8816 : 0 : spdk_json_write_object_end(w);
8817 : :
8818 : 0 : spdk_json_write_object_end(w);
8819 [ # # ]: 0 : }
8820 : : #endif
8821 : :
8822 : : static void
8823 : 95 : nvme_ctrlr_config_json(struct spdk_json_write_ctx *w,
8824 : : struct nvme_ctrlr *nvme_ctrlr,
8825 : : struct nvme_path_id *path_id)
8826 : : {
8827 : : struct spdk_nvme_transport_id *trid;
8828 : : const struct spdk_nvme_ctrlr_opts *opts;
8829 : :
8830 [ - + - + : 95 : if (nvme_ctrlr->opts.from_discovery_service) {
# # # # #
# ]
8831 : : /* Do not emit an RPC for this - it will be implicitly
8832 : : * covered by a separate bdev_nvme_start_discovery or
8833 : : * bdev_nvme_start_mdns_discovery RPC.
8834 : : */
8835 : 0 : return;
8836 : : }
8837 : :
8838 [ # # ]: 95 : trid = &path_id->trid;
8839 : :
8840 : 95 : spdk_json_write_object_begin(w);
8841 : :
8842 : 95 : spdk_json_write_named_string(w, "method", "bdev_nvme_attach_controller");
8843 : :
8844 : 95 : spdk_json_write_named_object_begin(w, "params");
8845 [ # # # # : 95 : spdk_json_write_named_string(w, "name", nvme_ctrlr->nbdev_ctrlr->name);
# # # # ]
8846 : 95 : nvme_bdev_dump_trid_json(trid, w);
8847 : 100 : spdk_json_write_named_bool(w, "prchk_reftag",
8848 [ # # # # : 95 : (nvme_ctrlr->opts.prchk_flags & SPDK_NVME_IO_FLAGS_PRCHK_REFTAG) != 0);
# # # # ]
8849 : 100 : spdk_json_write_named_bool(w, "prchk_guard",
8850 [ # # # # : 95 : (nvme_ctrlr->opts.prchk_flags & SPDK_NVME_IO_FLAGS_PRCHK_GUARD) != 0);
# # # # ]
8851 [ # # # # : 95 : spdk_json_write_named_int32(w, "ctrlr_loss_timeout_sec", nvme_ctrlr->opts.ctrlr_loss_timeout_sec);
# # ]
8852 [ # # # # : 95 : spdk_json_write_named_uint32(w, "reconnect_delay_sec", nvme_ctrlr->opts.reconnect_delay_sec);
# # ]
8853 : 100 : spdk_json_write_named_uint32(w, "fast_io_fail_timeout_sec",
8854 [ # # # # : 5 : nvme_ctrlr->opts.fast_io_fail_timeout_sec);
# # ]
8855 [ + + # # : 95 : if (nvme_ctrlr->psk != NULL) {
# # ]
8856 [ # # # # ]: 3 : spdk_json_write_named_string(w, "psk", spdk_key_get_name(nvme_ctrlr->psk));
8857 : 0 : }
8858 [ + + # # : 95 : if (nvme_ctrlr->dhchap_key != NULL) {
# # ]
8859 : 0 : spdk_json_write_named_string(w, "dhchap_key",
8860 [ # # # # ]: 0 : spdk_key_get_name(nvme_ctrlr->dhchap_key));
8861 : 0 : }
8862 [ + + # # : 95 : if (nvme_ctrlr->dhchap_ctrlr_key != NULL) {
# # ]
8863 : 0 : spdk_json_write_named_string(w, "dhchap_ctrlr_key",
8864 [ # # # # ]: 0 : spdk_key_get_name(nvme_ctrlr->dhchap_ctrlr_key));
8865 : 0 : }
8866 [ # # # # ]: 95 : opts = spdk_nvme_ctrlr_get_opts(nvme_ctrlr->ctrlr);
8867 [ # # ]: 95 : spdk_json_write_named_string(w, "hostnqn", opts->hostnqn);
8868 [ - + # # : 95 : spdk_json_write_named_bool(w, "hdgst", opts->header_digest);
# # ]
8869 [ - + # # : 95 : spdk_json_write_named_bool(w, "ddgst", opts->data_digest);
# # ]
8870 [ + + # # : 95 : if (opts->src_addr[0] != '\0') {
# # # # #
# ]
8871 [ # # ]: 0 : spdk_json_write_named_string(w, "hostaddr", opts->src_addr);
8872 : 0 : }
8873 [ + + # # : 95 : if (opts->src_svcid[0] != '\0') {
# # # # #
# ]
8874 [ # # ]: 0 : spdk_json_write_named_string(w, "hostsvcid", opts->src_svcid);
8875 : 0 : }
8876 : :
8877 [ + + + - : 95 : if (nvme_ctrlr->opts.multipath) {
# # # # #
# ]
8878 : 95 : spdk_json_write_named_string(w, "multipath", "multipath");
8879 : 5 : }
8880 : 95 : spdk_json_write_object_end(w);
8881 : :
8882 : 95 : spdk_json_write_object_end(w);
8883 : 5 : }
8884 : :
8885 : : static void
8886 : 142 : bdev_nvme_hotplug_config_json(struct spdk_json_write_ctx *w)
8887 : : {
8888 : 142 : spdk_json_write_object_begin(w);
8889 : 142 : spdk_json_write_named_string(w, "method", "bdev_nvme_set_hotplug");
8890 : :
8891 : 142 : spdk_json_write_named_object_begin(w, "params");
8892 : 142 : spdk_json_write_named_uint64(w, "period_us", g_nvme_hotplug_poll_period_us);
8893 [ + + ]: 142 : spdk_json_write_named_bool(w, "enable", g_nvme_hotplug_enabled);
8894 : 142 : spdk_json_write_object_end(w);
8895 : :
8896 : 142 : spdk_json_write_object_end(w);
8897 : 142 : }
8898 : :
8899 : : static int
8900 : 142 : bdev_nvme_config_json(struct spdk_json_write_ctx *w)
8901 : : {
8902 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
8903 : : struct nvme_ctrlr *nvme_ctrlr;
8904 : : struct discovery_ctx *ctx;
8905 : : struct nvme_path_id *path_id;
8906 : :
8907 : 142 : bdev_nvme_opts_config_json(w);
8908 : :
8909 [ + + ]: 142 : pthread_mutex_lock(&g_bdev_nvme_mutex);
8910 : :
8911 [ + + # # : 237 : TAILQ_FOREACH(nbdev_ctrlr, &g_nvme_bdev_ctrlrs, tailq) {
# # # # ]
8912 [ + + # # : 190 : TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
# # # # #
# # # #
# ]
8913 [ # # # # ]: 95 : path_id = nvme_ctrlr->active_path_id;
8914 [ + + # # : 95 : assert(path_id == TAILQ_FIRST(&nvme_ctrlr->trids));
# # # # #
# ]
8915 : 95 : nvme_ctrlr_config_json(w, nvme_ctrlr, path_id);
8916 : :
8917 [ # # # # : 95 : path_id = TAILQ_NEXT(path_id, link);
# # ]
8918 [ - + ]: 95 : while (path_id != NULL) {
8919 : 0 : nvme_ctrlr_config_json(w, nvme_ctrlr, path_id);
8920 [ # # # # : 0 : path_id = TAILQ_NEXT(path_id, link);
# # ]
8921 : : }
8922 : :
8923 : : #ifdef SPDK_CONFIG_NVME_CUSE
8924 : 90 : nvme_ctrlr_cuse_config_json(w, nvme_ctrlr);
8925 : : #endif
8926 : 5 : }
8927 : 5 : }
8928 : :
8929 [ - + # # : 142 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
8930 [ # # # # : 0 : if (!ctx->from_mdns_discovery_service) {
# # # # ]
8931 : 0 : bdev_nvme_discovery_config_json(w, ctx);
8932 : 0 : }
8933 : 0 : }
8934 : :
8935 : 142 : bdev_nvme_mdns_discovery_config_json(w);
8936 : :
8937 : : /* Dump as last parameter to give all NVMe bdevs chance to be constructed
8938 : : * before enabling hotplug poller.
8939 : : */
8940 : 142 : bdev_nvme_hotplug_config_json(w);
8941 : :
8942 [ + + ]: 142 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
8943 : 142 : return 0;
8944 : : }
8945 : :
8946 : : struct spdk_nvme_ctrlr *
8947 : 11 : bdev_nvme_get_ctrlr(struct spdk_bdev *bdev)
8948 : : {
8949 : : struct nvme_bdev *nbdev;
8950 : : struct nvme_ns *nvme_ns;
8951 : :
8952 [ + - - + : 11 : if (!bdev || bdev->module != &nvme_if) {
# # # # ]
8953 : 0 : return NULL;
8954 : : }
8955 : :
8956 : 11 : nbdev = SPDK_CONTAINEROF(bdev, struct nvme_bdev, disk);
8957 [ # # # # : 11 : nvme_ns = TAILQ_FIRST(&nbdev->nvme_ns_list);
# # ]
8958 [ + + # # ]: 11 : assert(nvme_ns != NULL);
8959 : :
8960 [ # # # # : 11 : return nvme_ns->ctrlr->ctrlr;
# # # # ]
8961 : 2 : }
8962 : :
8963 : : static bool
8964 : 168 : nvme_io_path_is_current(struct nvme_io_path *io_path)
8965 : : {
8966 : : const struct nvme_bdev_channel *nbdev_ch;
8967 : : bool current;
8968 : :
8969 [ + + ]: 168 : if (!nvme_io_path_is_available(io_path)) {
8970 : 46 : return false;
8971 : : }
8972 : :
8973 [ # # # # ]: 122 : nbdev_ch = io_path->nbdev_ch;
8974 [ + + ]: 122 : if (nbdev_ch == NULL) {
8975 : 4 : current = false;
8976 [ + + # # : 119 : } else if (nbdev_ch->mp_policy == BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE) {
# # ]
8977 : 54 : struct nvme_io_path *optimized_io_path = NULL;
8978 : :
8979 [ + + # # : 114 : STAILQ_FOREACH(optimized_io_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
8980 [ + + # # : 92 : if (optimized_io_path->nvme_ns->ana_state == SPDK_NVME_ANA_OPTIMIZED_STATE) {
# # # # #
# ]
8981 : 32 : break;
8982 : : }
8983 : 3 : }
8984 : :
8985 : : /* A non-optimized path is only current if there are no optimized paths. */
8986 [ + + + + : 54 : current = (io_path->nvme_ns->ana_state == SPDK_NVME_ANA_OPTIMIZED_STATE) ||
# # # # #
# ]
8987 : 2 : (optimized_io_path == NULL);
8988 : 3 : } else {
8989 [ + + # # : 64 : if (nbdev_ch->current_io_path) {
# # ]
8990 [ # # # # ]: 34 : current = (io_path == nbdev_ch->current_io_path);
8991 : 1 : } else {
8992 : : struct nvme_io_path *first_path;
8993 : :
8994 : : /* We arrived here as there are no optimized paths for active-passive
8995 : : * mode. Check if this io_path is the first one available on the list.
8996 : : */
8997 : 30 : current = false;
8998 [ + + # # : 30 : STAILQ_FOREACH(first_path, &nbdev_ch->io_path_list, stailq) {
# # # # #
# # # #
# ]
8999 [ + - ]: 30 : if (nvme_io_path_is_available(first_path)) {
9000 : 30 : current = (io_path == first_path);
9001 : 30 : break;
9002 : : }
9003 : 0 : }
9004 : : }
9005 : : }
9006 : :
9007 [ # # ]: 122 : return current;
9008 : 12 : }
9009 : :
9010 : : static struct nvme_ctrlr *
9011 : 10 : bdev_nvme_next_ctrlr_unsafe(struct nvme_bdev_ctrlr *nbdev_ctrlr, struct nvme_ctrlr *prev)
9012 : : {
9013 : : struct nvme_ctrlr *next;
9014 : :
9015 : : /* Must be called under g_bdev_nvme_mutex */
9016 [ + + # # : 10 : next = prev != NULL ? TAILQ_NEXT(prev, tailq) : TAILQ_FIRST(&nbdev_ctrlr->ctrlrs);
# # # # #
# # # #
# ]
9017 [ + + ]: 10 : while (next != NULL) {
9018 : : /* ref can be 0 when the ctrlr was released, but hasn't been detached yet */
9019 [ - + # # ]: 7 : pthread_mutex_lock(&next->mutex);
9020 [ + - # # : 7 : if (next->ref > 0) {
# # ]
9021 [ # # # # ]: 7 : next->ref++;
9022 [ - + # # ]: 7 : pthread_mutex_unlock(&next->mutex);
9023 : 7 : return next;
9024 : : }
9025 : :
9026 [ # # # # ]: 0 : pthread_mutex_unlock(&next->mutex);
9027 [ # # # # : 0 : next = TAILQ_NEXT(next, tailq);
# # ]
9028 : : }
9029 : :
9030 : 3 : return NULL;
9031 : 0 : }
9032 : :
9033 : : struct bdev_nvme_set_keys_ctx {
9034 : : struct nvme_ctrlr *nctrlr;
9035 : : struct spdk_key *dhchap_key;
9036 : : struct spdk_key *dhchap_ctrlr_key;
9037 : : struct spdk_thread *thread;
9038 : : bdev_nvme_set_keys_cb cb_fn;
9039 : : void *cb_ctx;
9040 : : int status;
9041 : : };
9042 : :
9043 : : static void
9044 : 7 : bdev_nvme_free_set_keys_ctx(struct bdev_nvme_set_keys_ctx *ctx)
9045 : : {
9046 [ - + ]: 7 : if (ctx == NULL) {
9047 : 0 : return;
9048 : : }
9049 : :
9050 [ # # # # ]: 7 : spdk_keyring_put_key(ctx->dhchap_key);
9051 [ # # # # ]: 7 : spdk_keyring_put_key(ctx->dhchap_ctrlr_key);
9052 : 7 : free(ctx);
9053 : 0 : }
9054 : :
9055 : : static void
9056 : 7 : _bdev_nvme_set_keys_done(void *_ctx)
9057 : : {
9058 : 7 : struct bdev_nvme_set_keys_ctx *ctx = _ctx;
9059 : :
9060 [ # # # # : 7 : ctx->cb_fn(ctx->cb_ctx, ctx->status);
# # # # #
# # # # #
# # ]
9061 : :
9062 [ + + # # : 7 : if (ctx->nctrlr != NULL) {
# # ]
9063 [ # # # # ]: 4 : nvme_ctrlr_put_ref(ctx->nctrlr);
9064 : 0 : }
9065 : 7 : bdev_nvme_free_set_keys_ctx(ctx);
9066 : 7 : }
9067 : :
9068 : : static void
9069 : 7 : bdev_nvme_set_keys_done(struct bdev_nvme_set_keys_ctx *ctx, int status)
9070 : : {
9071 [ # # # # ]: 7 : ctx->status = status;
9072 [ # # # # ]: 7 : spdk_thread_exec_msg(ctx->thread, _bdev_nvme_set_keys_done, ctx);
9073 : 7 : }
9074 : :
9075 : : static void bdev_nvme_authenticate_ctrlr(struct bdev_nvme_set_keys_ctx *ctx);
9076 : :
9077 : : static void
9078 : 3 : bdev_nvme_authenticate_ctrlr_continue(struct bdev_nvme_set_keys_ctx *ctx)
9079 : : {
9080 : : struct nvme_ctrlr *next;
9081 : :
9082 [ - + ]: 3 : pthread_mutex_lock(&g_bdev_nvme_mutex);
9083 [ # # # # ]: 3 : next = bdev_nvme_next_ctrlr_unsafe(NULL, ctx->nctrlr);
9084 [ - + ]: 3 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9085 : :
9086 [ # # # # ]: 3 : nvme_ctrlr_put_ref(ctx->nctrlr);
9087 [ # # # # ]: 3 : ctx->nctrlr = next;
9088 : :
9089 [ + - ]: 3 : if (next == NULL) {
9090 : 3 : bdev_nvme_set_keys_done(ctx, 0);
9091 : 0 : } else {
9092 : 0 : bdev_nvme_authenticate_ctrlr(ctx);
9093 : : }
9094 : 3 : }
9095 : :
9096 : : static void
9097 : 2 : bdev_nvme_authenticate_qpairs_done(struct spdk_io_channel_iter *i, int status)
9098 : : {
9099 : 2 : struct bdev_nvme_set_keys_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
9100 : :
9101 [ - + ]: 2 : if (status != 0) {
9102 : 0 : bdev_nvme_set_keys_done(ctx, status);
9103 : 0 : return;
9104 : : }
9105 : 2 : bdev_nvme_authenticate_ctrlr_continue(ctx);
9106 : 0 : }
9107 : :
9108 : : static void
9109 : 0 : bdev_nvme_authenticate_qpair_done(void *ctx, int status)
9110 : : {
9111 : 0 : spdk_for_each_channel_continue(ctx, status);
9112 : 0 : }
9113 : :
9114 : : static void
9115 : 0 : bdev_nvme_authenticate_qpair(struct spdk_io_channel_iter *i)
9116 : : {
9117 : 0 : struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
9118 : 0 : struct nvme_ctrlr_channel *ctrlr_ch = spdk_io_channel_get_ctx(ch);
9119 [ # # # # ]: 0 : struct nvme_qpair *qpair = ctrlr_ch->qpair;
9120 : : int rc;
9121 : :
9122 [ # # ]: 0 : if (!nvme_qpair_is_connected(qpair)) {
9123 : 0 : spdk_for_each_channel_continue(i, 0);
9124 : 0 : return;
9125 : : }
9126 : :
9127 [ # # # # ]: 0 : rc = spdk_nvme_qpair_authenticate(qpair->qpair, bdev_nvme_authenticate_qpair_done, i);
9128 [ # # ]: 0 : if (rc != 0) {
9129 : 0 : spdk_for_each_channel_continue(i, rc);
9130 : 0 : }
9131 : 0 : }
9132 : :
9133 : : static void
9134 : 4 : bdev_nvme_authenticate_ctrlr_done(void *_ctx, int status)
9135 : : {
9136 : 4 : struct bdev_nvme_set_keys_ctx *ctx = _ctx;
9137 : :
9138 [ + + ]: 4 : if (status != 0) {
9139 : 2 : bdev_nvme_set_keys_done(ctx, status);
9140 : 2 : return;
9141 : : }
9142 : :
9143 [ # # # # ]: 2 : spdk_for_each_channel(ctx->nctrlr, bdev_nvme_authenticate_qpair, ctx,
9144 : : bdev_nvme_authenticate_qpairs_done);
9145 : 0 : }
9146 : :
9147 : : static void
9148 : 7 : bdev_nvme_authenticate_ctrlr(struct bdev_nvme_set_keys_ctx *ctx)
9149 : : {
9150 : 7 : struct spdk_nvme_ctrlr_key_opts opts = {};
9151 [ # # # # ]: 7 : struct nvme_ctrlr *nctrlr = ctx->nctrlr;
9152 : : int rc;
9153 : :
9154 : 7 : opts.size = SPDK_SIZEOF(&opts, dhchap_ctrlr_key);
9155 [ # # # # : 7 : opts.dhchap_key = ctx->dhchap_key;
# # ]
9156 [ # # # # : 7 : opts.dhchap_ctrlr_key = ctx->dhchap_ctrlr_key;
# # ]
9157 [ # # # # ]: 7 : rc = spdk_nvme_ctrlr_set_keys(nctrlr->ctrlr, &opts);
9158 [ - + ]: 7 : if (rc != 0) {
9159 : 0 : bdev_nvme_set_keys_done(ctx, rc);
9160 : 0 : return;
9161 : : }
9162 : :
9163 [ + + # # : 7 : if (ctx->dhchap_key != NULL) {
# # ]
9164 [ # # # # ]: 6 : rc = spdk_nvme_ctrlr_authenticate(nctrlr->ctrlr,
9165 : 0 : bdev_nvme_authenticate_ctrlr_done, ctx);
9166 [ + + ]: 6 : if (rc != 0) {
9167 : 2 : bdev_nvme_set_keys_done(ctx, rc);
9168 : 0 : }
9169 : 0 : } else {
9170 : 1 : bdev_nvme_authenticate_ctrlr_continue(ctx);
9171 : : }
9172 : 0 : }
9173 : :
9174 : : int
9175 : 7 : bdev_nvme_set_keys(const char *name, const char *dhchap_key, const char *dhchap_ctrlr_key,
9176 : : bdev_nvme_set_keys_cb cb_fn, void *cb_ctx)
9177 : : {
9178 : : struct bdev_nvme_set_keys_ctx *ctx;
9179 : : struct nvme_bdev_ctrlr *nbdev_ctrlr;
9180 : : struct nvme_ctrlr *nctrlr;
9181 : :
9182 : 7 : ctx = calloc(1, sizeof(*ctx));
9183 [ - + ]: 7 : if (ctx == NULL) {
9184 : 0 : return -ENOMEM;
9185 : : }
9186 : :
9187 [ + + ]: 7 : if (dhchap_key != NULL) {
9188 [ # # # # ]: 6 : ctx->dhchap_key = spdk_keyring_get_key(dhchap_key);
9189 [ - + # # : 6 : if (ctx->dhchap_key == NULL) {
# # ]
9190 : 0 : SPDK_ERRLOG("Could not find key %s for bdev %s\n", dhchap_key, name);
9191 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9192 : 0 : return -ENOKEY;
9193 : : }
9194 : 0 : }
9195 [ + + ]: 7 : if (dhchap_ctrlr_key != NULL) {
9196 [ # # # # ]: 6 : ctx->dhchap_ctrlr_key = spdk_keyring_get_key(dhchap_ctrlr_key);
9197 [ - + # # : 6 : if (ctx->dhchap_ctrlr_key == NULL) {
# # ]
9198 : 0 : SPDK_ERRLOG("Could not find key %s for bdev %s\n", dhchap_ctrlr_key, name);
9199 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9200 : 0 : return -ENOKEY;
9201 : : }
9202 : 0 : }
9203 : :
9204 [ - + ]: 7 : pthread_mutex_lock(&g_bdev_nvme_mutex);
9205 : 7 : nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(name);
9206 [ - + ]: 7 : if (nbdev_ctrlr == NULL) {
9207 : 0 : SPDK_ERRLOG("Could not find bdev_ctrlr %s\n", name);
9208 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9209 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9210 : 0 : return -ENODEV;
9211 : : }
9212 : 7 : nctrlr = bdev_nvme_next_ctrlr_unsafe(nbdev_ctrlr, NULL);
9213 [ - + ]: 7 : if (nctrlr == NULL) {
9214 : 0 : SPDK_ERRLOG("Could not find any nvme_ctrlrs on bdev_ctrlr %s\n", name);
9215 [ # # ]: 0 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9216 : 0 : bdev_nvme_free_set_keys_ctx(ctx);
9217 : 0 : return -ENODEV;
9218 : : }
9219 [ - + ]: 7 : pthread_mutex_unlock(&g_bdev_nvme_mutex);
9220 : :
9221 [ # # # # ]: 7 : ctx->nctrlr = nctrlr;
9222 [ # # # # ]: 7 : ctx->cb_fn = cb_fn;
9223 [ # # # # ]: 7 : ctx->cb_ctx = cb_ctx;
9224 [ # # # # ]: 7 : ctx->thread = spdk_get_thread();
9225 : :
9226 : 7 : bdev_nvme_authenticate_ctrlr(ctx);
9227 : :
9228 : 7 : return 0;
9229 : 0 : }
9230 : :
9231 : : void
9232 : 120 : nvme_io_path_info_json(struct spdk_json_write_ctx *w, struct nvme_io_path *io_path)
9233 : : {
9234 [ # # # # ]: 120 : struct nvme_ns *nvme_ns = io_path->nvme_ns;
9235 [ # # # # : 120 : struct nvme_ctrlr *nvme_ctrlr = io_path->qpair->ctrlr;
# # # # ]
9236 : : const struct spdk_nvme_ctrlr_data *cdata;
9237 : : const struct spdk_nvme_transport_id *trid;
9238 : : const char *adrfam_str;
9239 : :
9240 : 120 : spdk_json_write_object_begin(w);
9241 : :
9242 [ # # # # : 120 : spdk_json_write_named_string(w, "bdev_name", nvme_ns->bdev->disk.name);
# # # # #
# ]
9243 : :
9244 [ # # # # ]: 120 : cdata = spdk_nvme_ctrlr_get_data(nvme_ctrlr->ctrlr);
9245 [ # # # # ]: 120 : trid = spdk_nvme_ctrlr_get_transport_id(nvme_ctrlr->ctrlr);
9246 : :
9247 [ # # # # ]: 120 : spdk_json_write_named_uint32(w, "cntlid", cdata->cntlid);
9248 : 120 : spdk_json_write_named_bool(w, "current", nvme_io_path_is_current(io_path));
9249 [ # # # # ]: 120 : spdk_json_write_named_bool(w, "connected", nvme_qpair_is_connected(io_path->qpair));
9250 : 120 : spdk_json_write_named_bool(w, "accessible", nvme_ns_is_accessible(nvme_ns));
9251 : :
9252 : 120 : spdk_json_write_named_object_begin(w, "transport");
9253 [ # # ]: 120 : spdk_json_write_named_string(w, "trtype", trid->trstring);
9254 [ # # ]: 120 : spdk_json_write_named_string(w, "traddr", trid->traddr);
9255 [ + - # # : 120 : if (trid->trsvcid[0] != '\0') {
# # # # #
# ]
9256 [ # # ]: 120 : spdk_json_write_named_string(w, "trsvcid", trid->trsvcid);
9257 : 0 : }
9258 [ # # # # ]: 120 : adrfam_str = spdk_nvme_transport_id_adrfam_str(trid->adrfam);
9259 [ + - ]: 120 : if (adrfam_str) {
9260 : 120 : spdk_json_write_named_string(w, "adrfam", adrfam_str);
9261 : 0 : }
9262 : 120 : spdk_json_write_object_end(w);
9263 : :
9264 : 120 : spdk_json_write_object_end(w);
9265 : 120 : }
9266 : :
9267 : : void
9268 : 68 : bdev_nvme_get_discovery_info(struct spdk_json_write_ctx *w)
9269 : : {
9270 : : struct discovery_ctx *ctx;
9271 : : struct discovery_entry_ctx *entry_ctx;
9272 : :
9273 : 68 : spdk_json_write_array_begin(w);
9274 [ + + # # : 129 : TAILQ_FOREACH(ctx, &g_discovery_ctxs, tailq) {
# # # # ]
9275 : 61 : spdk_json_write_object_begin(w);
9276 [ # # # # ]: 61 : spdk_json_write_named_string(w, "name", ctx->name);
9277 : :
9278 : 61 : spdk_json_write_named_object_begin(w, "trid");
9279 [ # # ]: 61 : nvme_bdev_dump_trid_json(&ctx->trid, w);
9280 : 61 : spdk_json_write_object_end(w);
9281 : :
9282 : 61 : spdk_json_write_named_array_begin(w, "referrals");
9283 [ + + # # : 147 : TAILQ_FOREACH(entry_ctx, &ctx->discovery_entry_ctxs, tailq) {
# # # # #
# # # #
# ]
9284 : 86 : spdk_json_write_object_begin(w);
9285 : 86 : spdk_json_write_named_object_begin(w, "trid");
9286 [ # # ]: 86 : nvme_bdev_dump_trid_json(&entry_ctx->trid, w);
9287 : 86 : spdk_json_write_object_end(w);
9288 : 86 : spdk_json_write_object_end(w);
9289 : 0 : }
9290 : 61 : spdk_json_write_array_end(w);
9291 : :
9292 : 61 : spdk_json_write_object_end(w);
9293 : 0 : }
9294 : 68 : spdk_json_write_array_end(w);
9295 : 68 : }
9296 : :
9297 : 1663 : SPDK_LOG_REGISTER_COMPONENT(bdev_nvme)
9298 : :
9299 : : static void
9300 : 1523 : bdev_nvme_trace(void)
9301 : : {
9302 : 1523 : struct spdk_trace_tpoint_opts opts[] = {
9303 : : {
9304 : : "BDEV_NVME_IO_START", TRACE_BDEV_NVME_IO_START,
9305 : : OWNER_TYPE_NONE, OBJECT_BDEV_NVME_IO, 1,
9306 : : {{ "ctx", SPDK_TRACE_ARG_TYPE_PTR, 8 }}
9307 : : },
9308 : : {
9309 : : "BDEV_NVME_IO_DONE", TRACE_BDEV_NVME_IO_DONE,
9310 : : OWNER_TYPE_NONE, OBJECT_BDEV_NVME_IO, 0,
9311 : : {{ "ctx", SPDK_TRACE_ARG_TYPE_PTR, 8 }}
9312 : : }
9313 : : };
9314 : :
9315 : :
9316 : 1523 : spdk_trace_register_object(OBJECT_BDEV_NVME_IO, 'N');
9317 : 1523 : spdk_trace_register_description_ext(opts, SPDK_COUNTOF(opts));
9318 : 1523 : spdk_trace_tpoint_register_relation(TRACE_NVME_PCIE_SUBMIT, OBJECT_BDEV_NVME_IO, 0);
9319 : 1523 : spdk_trace_tpoint_register_relation(TRACE_NVME_TCP_SUBMIT, OBJECT_BDEV_NVME_IO, 0);
9320 : 1523 : spdk_trace_tpoint_register_relation(TRACE_NVME_PCIE_COMPLETE, OBJECT_BDEV_NVME_IO, 0);
9321 : 1523 : spdk_trace_tpoint_register_relation(TRACE_NVME_TCP_COMPLETE, OBJECT_BDEV_NVME_IO, 0);
9322 : 1523 : }
9323 : 1663 : SPDK_TRACE_REGISTER_FN(bdev_nvme_trace, "bdev_nvme", TRACE_GROUP_BDEV_NVME)
|