Line data Source code
1 : /* SPDX-License-Identifier: BSD-3-Clause
2 : * Copyright (C) 2017 Intel Corporation. All rights reserved.
3 : * Copyright (c) 2019, 2020 Mellanox Technologies LTD. All rights reserved.
4 : * Copyright (c) 2021, 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5 : * Copyright (c) 2024 Samsung Electronics Co., Ltd. All rights reserved.
6 : */
7 :
8 : #include "spdk/stdinc.h"
9 :
10 : #include "nvmf_internal.h"
11 : #include "transport.h"
12 :
13 : #include "spdk/bdev.h"
14 : #include "spdk/bdev_zone.h"
15 : #include "spdk/bit_array.h"
16 : #include "spdk/endian.h"
17 : #include "spdk/thread.h"
18 : #include "spdk/nvme_spec.h"
19 : #include "spdk/nvmf_cmd.h"
20 : #include "spdk/string.h"
21 : #include "spdk/util.h"
22 : #include "spdk/version.h"
23 : #include "spdk/log.h"
24 : #include "spdk_internal/usdt.h"
25 :
26 : #define MIN_KEEP_ALIVE_TIMEOUT_IN_MS 10000
27 : #define NVMF_DISC_KATO_IN_MS 120000
28 : #define KAS_TIME_UNIT_IN_MS 100
29 : #define KAS_DEFAULT_VALUE (MIN_KEEP_ALIVE_TIMEOUT_IN_MS / KAS_TIME_UNIT_IN_MS)
30 :
31 : #define NVMF_CC_RESET_SHN_TIMEOUT_IN_MS 10000
32 :
33 : #define NVMF_CTRLR_RESET_SHN_TIMEOUT_IN_MS (NVMF_CC_RESET_SHN_TIMEOUT_IN_MS + 5000)
34 :
35 : #define DUPLICATE_QID_RETRY_US 1000
36 :
37 : /*
38 : * Report the SPDK version as the firmware revision.
39 : * SPDK_VERSION_STRING won't fit into FR (only 8 bytes), so try to fit the most important parts.
40 : */
41 : #define FW_VERSION SPDK_VERSION_MAJOR_STRING SPDK_VERSION_MINOR_STRING SPDK_VERSION_PATCH_STRING
42 :
43 : #define ANA_TRANSITION_TIME_IN_SEC 10
44 :
45 : #define NVMF_ABORT_COMMAND_LIMIT 3
46 :
47 : /*
48 : * Support for custom admin command handlers
49 : */
50 : struct spdk_nvmf_custom_admin_cmd {
51 : spdk_nvmf_custom_cmd_hdlr hdlr;
52 : uint32_t nsid; /* nsid to forward */
53 : };
54 :
55 : static struct spdk_nvmf_custom_admin_cmd g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_MAX_OPC + 1];
56 :
57 : static void _nvmf_request_complete(void *ctx);
58 : int nvmf_passthru_admin_cmd_for_ctrlr(struct spdk_nvmf_request *req, struct spdk_nvmf_ctrlr *ctrlr);
59 : static int nvmf_passthru_admin_cmd(struct spdk_nvmf_request *req);
60 :
61 : static inline void
62 13 : nvmf_invalid_connect_response(struct spdk_nvmf_fabric_connect_rsp *rsp,
63 : uint8_t iattr, uint16_t ipo)
64 : {
65 13 : rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
66 13 : rsp->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM;
67 13 : rsp->status_code_specific.invalid.iattr = iattr;
68 13 : rsp->status_code_specific.invalid.ipo = ipo;
69 13 : }
70 :
71 : #define SPDK_NVMF_INVALID_CONNECT_CMD(rsp, field) \
72 : nvmf_invalid_connect_response(rsp, 0, offsetof(struct spdk_nvmf_fabric_connect_cmd, field))
73 : #define SPDK_NVMF_INVALID_CONNECT_DATA(rsp, field) \
74 : nvmf_invalid_connect_response(rsp, 1, offsetof(struct spdk_nvmf_fabric_connect_data, field))
75 :
76 :
77 : static void
78 4 : nvmf_ctrlr_stop_keep_alive_timer(struct spdk_nvmf_ctrlr *ctrlr)
79 : {
80 4 : if (!ctrlr) {
81 0 : SPDK_ERRLOG("Controller is NULL\n");
82 0 : return;
83 : }
84 :
85 4 : if (ctrlr->keep_alive_poller == NULL) {
86 0 : return;
87 : }
88 :
89 4 : SPDK_DEBUGLOG(nvmf, "Stop keep alive poller\n");
90 4 : spdk_poller_unregister(&ctrlr->keep_alive_poller);
91 : }
92 :
93 : static void
94 1 : nvmf_ctrlr_stop_association_timer(struct spdk_nvmf_ctrlr *ctrlr)
95 : {
96 1 : if (!ctrlr) {
97 0 : SPDK_ERRLOG("Controller is NULL\n");
98 0 : assert(false);
99 : return;
100 : }
101 :
102 1 : if (ctrlr->association_timer == NULL) {
103 1 : return;
104 : }
105 :
106 0 : SPDK_DEBUGLOG(nvmf, "Stop association timer\n");
107 0 : spdk_poller_unregister(&ctrlr->association_timer);
108 : }
109 :
110 : static void
111 0 : nvmf_ctrlr_disconnect_qpairs_done(struct spdk_io_channel_iter *i, int status)
112 : {
113 0 : if (status == 0) {
114 0 : SPDK_DEBUGLOG(nvmf, "ctrlr disconnect qpairs complete successfully\n");
115 : } else {
116 0 : SPDK_ERRLOG("Fail to disconnect ctrlr qpairs\n");
117 : }
118 0 : }
119 :
120 : static int
121 0 : _nvmf_ctrlr_disconnect_qpairs_on_pg(struct spdk_io_channel_iter *i, bool include_admin)
122 : {
123 0 : int rc = 0;
124 : struct spdk_nvmf_ctrlr *ctrlr;
125 : struct spdk_nvmf_qpair *qpair, *temp_qpair;
126 : struct spdk_io_channel *ch;
127 : struct spdk_nvmf_poll_group *group;
128 :
129 0 : ctrlr = spdk_io_channel_iter_get_ctx(i);
130 0 : ch = spdk_io_channel_iter_get_channel(i);
131 0 : group = spdk_io_channel_get_ctx(ch);
132 :
133 0 : TAILQ_FOREACH_SAFE(qpair, &group->qpairs, link, temp_qpair) {
134 0 : if (qpair->ctrlr == ctrlr && (include_admin || !nvmf_qpair_is_admin_queue(qpair))) {
135 0 : rc = spdk_nvmf_qpair_disconnect(qpair);
136 0 : if (rc) {
137 0 : if (rc == -EINPROGRESS) {
138 0 : rc = 0;
139 : } else {
140 0 : SPDK_ERRLOG("Qpair disconnect failed\n");
141 0 : return rc;
142 : }
143 : }
144 : }
145 : }
146 :
147 0 : return rc;
148 : }
149 :
150 : static void
151 0 : nvmf_ctrlr_disconnect_qpairs_on_pg(struct spdk_io_channel_iter *i)
152 : {
153 0 : spdk_for_each_channel_continue(i, _nvmf_ctrlr_disconnect_qpairs_on_pg(i, true));
154 0 : }
155 :
156 : static void
157 0 : nvmf_ctrlr_disconnect_io_qpairs_on_pg(struct spdk_io_channel_iter *i)
158 : {
159 0 : spdk_for_each_channel_continue(i, _nvmf_ctrlr_disconnect_qpairs_on_pg(i, false));
160 0 : }
161 :
162 : static int
163 0 : nvmf_ctrlr_keep_alive_poll(void *ctx)
164 : {
165 : uint64_t keep_alive_timeout_tick;
166 0 : uint64_t now = spdk_get_ticks();
167 0 : struct spdk_nvmf_ctrlr *ctrlr = ctx;
168 :
169 0 : if (ctrlr->in_destruct) {
170 0 : nvmf_ctrlr_stop_keep_alive_timer(ctrlr);
171 0 : return SPDK_POLLER_IDLE;
172 : }
173 :
174 0 : SPDK_DEBUGLOG(nvmf, "Polling ctrlr keep alive timeout\n");
175 :
176 : /* If the Keep alive feature is in use and the timer expires */
177 0 : keep_alive_timeout_tick = ctrlr->last_keep_alive_tick +
178 0 : ctrlr->feat.keep_alive_timer.bits.kato * spdk_get_ticks_hz() / UINT64_C(1000);
179 0 : if (now > keep_alive_timeout_tick) {
180 0 : SPDK_NOTICELOG("Disconnecting host %s from subsystem %s due to keep alive timeout.\n",
181 : ctrlr->hostnqn, ctrlr->subsys->subnqn);
182 : /* set the Controller Fatal Status bit to '1' */
183 0 : if (ctrlr->vcprop.csts.bits.cfs == 0) {
184 0 : nvmf_ctrlr_set_fatal_status(ctrlr);
185 :
186 : /*
187 : * disconnect qpairs, terminate Transport connection
188 : * destroy ctrlr, break the host to controller association
189 : * disconnect qpairs with qpair->ctrlr == ctrlr
190 : */
191 0 : spdk_for_each_channel(ctrlr->subsys->tgt,
192 : nvmf_ctrlr_disconnect_qpairs_on_pg,
193 : ctrlr,
194 : nvmf_ctrlr_disconnect_qpairs_done);
195 0 : return SPDK_POLLER_BUSY;
196 : }
197 : }
198 :
199 0 : return SPDK_POLLER_IDLE;
200 : }
201 :
202 : static void
203 5 : nvmf_ctrlr_start_keep_alive_timer(struct spdk_nvmf_ctrlr *ctrlr)
204 : {
205 5 : if (!ctrlr) {
206 0 : SPDK_ERRLOG("Controller is NULL\n");
207 0 : return;
208 : }
209 :
210 : /* if cleared to 0 then the Keep Alive Timer is disabled */
211 5 : if (ctrlr->feat.keep_alive_timer.bits.kato != 0) {
212 :
213 4 : ctrlr->last_keep_alive_tick = spdk_get_ticks();
214 :
215 4 : SPDK_DEBUGLOG(nvmf, "Ctrlr add keep alive poller\n");
216 4 : ctrlr->keep_alive_poller = SPDK_POLLER_REGISTER(nvmf_ctrlr_keep_alive_poll, ctrlr,
217 : ctrlr->feat.keep_alive_timer.bits.kato * 1000);
218 : }
219 : }
220 :
221 : static void
222 14 : nvmf_qpair_set_ctrlr(struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_ctrlr *ctrlr)
223 : {
224 14 : if (qpair->ctrlr != NULL) {
225 : /* Admin queues will call this function twice. */
226 6 : assert(qpair->ctrlr == ctrlr);
227 6 : return;
228 : }
229 :
230 8 : qpair->ctrlr = ctrlr;
231 8 : spdk_trace_owner_append_description(qpair->trace_id,
232 8 : spdk_nvmf_subsystem_get_nqn(ctrlr->subsys));
233 : }
234 :
235 : static int _retry_qid_check(void *ctx);
236 :
237 : static void
238 7 : nvmf_ctrlr_send_connect_rsp(void *ctx)
239 : {
240 7 : struct spdk_nvmf_request *req = ctx;
241 7 : struct spdk_nvmf_qpair *qpair = req->qpair;
242 7 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
243 7 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
244 : int rc;
245 :
246 : /* The qpair might have been disconnected in the meantime */
247 7 : assert(qpair->state == SPDK_NVMF_QPAIR_CONNECTING ||
248 : qpair->state == SPDK_NVMF_QPAIR_DEACTIVATING);
249 7 : if (qpair->state == SPDK_NVMF_QPAIR_CONNECTING) {
250 7 : if (nvmf_subsystem_host_auth_required(ctrlr->subsys, ctrlr->hostnqn)) {
251 0 : rc = nvmf_qpair_auth_init(qpair);
252 0 : if (rc != 0) {
253 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
254 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
255 0 : spdk_nvmf_request_complete(req);
256 0 : spdk_nvmf_qpair_disconnect(qpair);
257 0 : return;
258 : }
259 0 : rsp->status_code_specific.success.authreq.atr = 1;
260 0 : nvmf_qpair_set_state(qpair, SPDK_NVMF_QPAIR_AUTHENTICATING);
261 : } else {
262 7 : nvmf_qpair_set_state(qpair, SPDK_NVMF_QPAIR_ENABLED);
263 : }
264 : }
265 :
266 7 : SPDK_DEBUGLOG(nvmf, "connect capsule response: cntlid = 0x%04x\n", ctrlr->cntlid);
267 :
268 7 : assert(spdk_get_thread() == qpair->group->thread);
269 7 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
270 7 : rsp->status_code_specific.success.cntlid = ctrlr->cntlid;
271 7 : spdk_nvmf_request_complete(req);
272 : }
273 :
274 : static void
275 10 : nvmf_ctrlr_add_qpair(struct spdk_nvmf_qpair *qpair,
276 : struct spdk_nvmf_ctrlr *ctrlr,
277 : struct spdk_nvmf_request *req)
278 : {
279 10 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
280 :
281 10 : if (!ctrlr->admin_qpair) {
282 0 : SPDK_ERRLOG("Inactive admin qpair\n");
283 0 : rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
284 0 : rsp->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM;
285 0 : qpair->connect_req = NULL;
286 0 : qpair->ctrlr = NULL;
287 0 : spdk_nvmf_request_complete(req);
288 0 : return;
289 : }
290 :
291 10 : assert(ctrlr->admin_qpair->group->thread == spdk_get_thread());
292 :
293 10 : if (spdk_bit_array_get(ctrlr->qpair_mask, qpair->qid)) {
294 3 : if (qpair->connect_req != NULL) {
295 1 : SPDK_ERRLOG("Got I/O connect with duplicate QID %u (cntlid:%u)\n",
296 : qpair->qid, ctrlr->cntlid);
297 1 : rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
298 1 : rsp->status.sc = SPDK_NVME_SC_INVALID_QUEUE_IDENTIFIER;
299 1 : qpair->connect_req = NULL;
300 1 : qpair->ctrlr = NULL;
301 1 : spdk_nvmf_request_complete(req);
302 : } else {
303 2 : SPDK_WARNLOG("Duplicate QID detected (cntlid:%u, qid:%u), re-check in %dus\n",
304 : ctrlr->cntlid, qpair->qid, DUPLICATE_QID_RETRY_US);
305 2 : qpair->connect_req = req;
306 : /* Set qpair->ctrlr here so that we'll have it when the poller expires. */
307 2 : nvmf_qpair_set_ctrlr(qpair, ctrlr);
308 2 : req->poller = SPDK_POLLER_REGISTER(_retry_qid_check, qpair,
309 : DUPLICATE_QID_RETRY_US);
310 : }
311 3 : return;
312 : }
313 :
314 7 : qpair->connect_req = NULL;
315 :
316 : SPDK_DTRACE_PROBE4_TICKS(nvmf_ctrlr_add_qpair, qpair, qpair->qid, ctrlr->subsys->subnqn,
317 : ctrlr->hostnqn);
318 7 : nvmf_qpair_set_ctrlr(qpair, ctrlr);
319 7 : spdk_bit_array_set(ctrlr->qpair_mask, qpair->qid);
320 7 : SPDK_DEBUGLOG(nvmf, "qpair_mask set, qid %u\n", qpair->qid);
321 :
322 7 : spdk_thread_send_msg(qpair->group->thread, nvmf_ctrlr_send_connect_rsp, req);
323 : }
324 :
325 : static int
326 2 : _retry_qid_check(void *ctx)
327 : {
328 2 : struct spdk_nvmf_qpair *qpair = ctx;
329 2 : struct spdk_nvmf_request *req = qpair->connect_req;
330 2 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
331 :
332 2 : spdk_poller_unregister(&req->poller);
333 2 : SPDK_WARNLOG("Retrying adding qpair, qid:%d\n", qpair->qid);
334 2 : nvmf_ctrlr_add_qpair(qpair, ctrlr, req);
335 2 : return SPDK_POLLER_BUSY;
336 : }
337 :
338 : static void
339 5 : _nvmf_ctrlr_add_admin_qpair(void *ctx)
340 : {
341 5 : struct spdk_nvmf_request *req = ctx;
342 5 : struct spdk_nvmf_qpair *qpair = req->qpair;
343 5 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
344 :
345 5 : ctrlr->admin_qpair = qpair;
346 5 : ctrlr->association_timeout = qpair->transport->opts.association_timeout;
347 5 : nvmf_ctrlr_start_keep_alive_timer(ctrlr);
348 5 : nvmf_ctrlr_add_qpair(qpair, ctrlr, req);
349 5 : }
350 :
351 : static void
352 5 : _nvmf_subsystem_add_ctrlr(void *ctx)
353 : {
354 5 : struct spdk_nvmf_request *req = ctx;
355 5 : struct spdk_nvmf_qpair *qpair = req->qpair;
356 5 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
357 5 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
358 :
359 5 : if (nvmf_subsystem_add_ctrlr(ctrlr->subsys, ctrlr)) {
360 0 : SPDK_ERRLOG("Unable to add controller to subsystem\n");
361 0 : spdk_bit_array_free(&ctrlr->qpair_mask);
362 0 : free(ctrlr);
363 0 : qpair->ctrlr = NULL;
364 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
365 0 : spdk_nvmf_request_complete(req);
366 0 : return;
367 : }
368 :
369 5 : spdk_thread_send_msg(ctrlr->thread, _nvmf_ctrlr_add_admin_qpair, req);
370 : }
371 :
372 : static void
373 6 : nvmf_ctrlr_cdata_init(struct spdk_nvmf_transport *transport, struct spdk_nvmf_subsystem *subsystem,
374 : struct spdk_nvmf_ctrlr_data *cdata)
375 : {
376 6 : cdata->aerl = SPDK_NVMF_MAX_ASYNC_EVENTS - 1;
377 6 : cdata->kas = KAS_DEFAULT_VALUE;
378 6 : cdata->vid = SPDK_PCI_VID_INTEL;
379 6 : cdata->ssvid = SPDK_PCI_VID_INTEL;
380 : /* INTEL OUI */
381 6 : cdata->ieee[0] = 0xe4;
382 6 : cdata->ieee[1] = 0xd2;
383 6 : cdata->ieee[2] = 0x5c;
384 6 : cdata->oncs.compare = 1;
385 6 : cdata->oncs.dsm = 1;
386 6 : cdata->oncs.write_zeroes = 1;
387 6 : cdata->oncs.reservations = 1;
388 6 : cdata->oncs.copy = 1;
389 6 : cdata->fuses.compare_and_write = 1;
390 6 : cdata->sgls.supported = 1;
391 6 : cdata->sgls.keyed_sgl = 1;
392 6 : cdata->sgls.sgl_offset = 1;
393 6 : cdata->nvmf_specific.ioccsz = sizeof(struct spdk_nvme_cmd) / 16;
394 6 : cdata->nvmf_specific.ioccsz += transport->opts.in_capsule_data_size / 16;
395 6 : cdata->nvmf_specific.iorcsz = sizeof(struct spdk_nvme_cpl) / 16;
396 6 : cdata->nvmf_specific.icdoff = 0; /* offset starts directly after SQE */
397 6 : cdata->nvmf_specific.ctrattr.ctrlr_model = SPDK_NVMF_CTRLR_MODEL_DYNAMIC;
398 6 : cdata->nvmf_specific.msdbd = 1;
399 :
400 6 : if (transport->ops->cdata_init) {
401 0 : transport->ops->cdata_init(transport, subsystem, cdata);
402 : }
403 6 : }
404 :
405 : static bool
406 5 : nvmf_subsystem_has_zns_iocs(struct spdk_nvmf_subsystem *subsystem)
407 : {
408 : struct spdk_nvmf_ns *ns;
409 : uint32_t i;
410 :
411 9 : for (i = 0; i < subsystem->max_nsid; i++) {
412 4 : ns = subsystem->ns[i];
413 4 : if (ns && ns->bdev && spdk_bdev_is_zoned(ns->bdev)) {
414 0 : return true;
415 : }
416 : }
417 5 : return false;
418 : }
419 :
420 : static void
421 9 : nvmf_ctrlr_init_visible_ns(struct spdk_nvmf_ctrlr *ctrlr)
422 : {
423 9 : struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys;
424 : struct spdk_nvmf_ns *ns;
425 :
426 17 : for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
427 8 : ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
428 8 : if (ns->always_visible || nvmf_ns_find_host(ns, ctrlr->hostnqn) != NULL) {
429 3 : nvmf_ctrlr_ns_set_visible(ctrlr, ns->nsid, true);
430 : }
431 : }
432 9 : }
433 :
434 : static struct spdk_nvmf_ctrlr *
435 5 : nvmf_ctrlr_create(struct spdk_nvmf_subsystem *subsystem,
436 : struct spdk_nvmf_request *req,
437 : struct spdk_nvmf_fabric_connect_cmd *connect_cmd,
438 : struct spdk_nvmf_fabric_connect_data *connect_data)
439 : {
440 : struct spdk_nvmf_ctrlr *ctrlr;
441 5 : struct spdk_nvmf_transport *transport = req->qpair->transport;
442 5 : struct spdk_nvme_transport_id listen_trid = {};
443 5 : bool subsys_has_multi_iocs = false;
444 :
445 5 : ctrlr = calloc(1, sizeof(*ctrlr));
446 5 : if (ctrlr == NULL) {
447 0 : SPDK_ERRLOG("Memory allocation failed\n");
448 0 : return NULL;
449 : }
450 :
451 5 : if (spdk_nvme_trtype_is_fabrics(transport->ops->type)) {
452 5 : ctrlr->dynamic_ctrlr = true;
453 : } else {
454 0 : ctrlr->cntlid = connect_data->cntlid;
455 : }
456 :
457 : SPDK_DTRACE_PROBE3_TICKS(nvmf_ctrlr_create, ctrlr, subsystem->subnqn,
458 : spdk_thread_get_id(req->qpair->group->thread));
459 :
460 5 : STAILQ_INIT(&ctrlr->async_events);
461 5 : TAILQ_INIT(&ctrlr->log_head);
462 5 : ctrlr->subsys = subsystem;
463 5 : ctrlr->thread = req->qpair->group->thread;
464 5 : ctrlr->disconnect_in_progress = false;
465 :
466 5 : ctrlr->qpair_mask = spdk_bit_array_create(transport->opts.max_qpairs_per_ctrlr);
467 5 : if (!ctrlr->qpair_mask) {
468 0 : SPDK_ERRLOG("Failed to allocate controller qpair mask\n");
469 0 : goto err_qpair_mask;
470 : }
471 :
472 5 : nvmf_ctrlr_cdata_init(transport, subsystem, &ctrlr->cdata);
473 :
474 : /*
475 : * KAS: This field indicates the granularity of the Keep Alive Timer in 100ms units.
476 : * If this field is cleared to 0h, then Keep Alive is not supported.
477 : */
478 5 : if (ctrlr->cdata.kas) {
479 5 : ctrlr->feat.keep_alive_timer.bits.kato = spdk_divide_round_up(connect_cmd->kato,
480 : KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS) *
481 : KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS;
482 : }
483 :
484 5 : ctrlr->feat.async_event_configuration.bits.ns_attr_notice = 1;
485 5 : if (ctrlr->subsys->flags.ana_reporting) {
486 0 : ctrlr->feat.async_event_configuration.bits.ana_change_notice = 1;
487 : }
488 5 : ctrlr->feat.volatile_write_cache.bits.wce = 1;
489 : /* Coalescing Disable */
490 5 : ctrlr->feat.interrupt_vector_configuration.bits.cd = 1;
491 :
492 5 : if (spdk_nvmf_subsystem_is_discovery(ctrlr->subsys)) {
493 : /*
494 : * If keep-alive timeout is not set, discovery controllers use some
495 : * arbitrary high value in order to cleanup stale discovery sessions
496 : *
497 : * From the 1.0a nvme-of spec:
498 : * "The Keep Alive command is reserved for
499 : * Discovery controllers. A transport may specify a
500 : * fixed Discovery controller activity timeout value
501 : * (e.g., 2 minutes). If no commands are received
502 : * by a Discovery controller within that time
503 : * period, the controller may perform the
504 : * actions for Keep Alive Timer expiration".
505 : *
506 : * From the 1.1 nvme-of spec:
507 : * "A host requests an explicit persistent connection
508 : * to a Discovery controller and Asynchronous Event Notifications from
509 : * the Discovery controller on that persistent connection by specifying
510 : * a non-zero Keep Alive Timer value in the Connect command."
511 : *
512 : * In case non-zero KATO is used, we enable discovery_log_change_notice
513 : * otherwise we disable it and use default discovery controller KATO.
514 : * KATO is in millisecond.
515 : */
516 2 : if (ctrlr->feat.keep_alive_timer.bits.kato == 0) {
517 1 : ctrlr->feat.keep_alive_timer.bits.kato = NVMF_DISC_KATO_IN_MS;
518 1 : ctrlr->feat.async_event_configuration.bits.discovery_log_change_notice = 0;
519 : } else {
520 1 : ctrlr->feat.async_event_configuration.bits.discovery_log_change_notice = 1;
521 : }
522 : }
523 :
524 : /* Subtract 1 for admin queue, 1 for 0's based */
525 5 : ctrlr->feat.number_of_queues.bits.ncqr = transport->opts.max_qpairs_per_ctrlr - 1 -
526 : 1;
527 5 : ctrlr->feat.number_of_queues.bits.nsqr = transport->opts.max_qpairs_per_ctrlr - 1 -
528 : 1;
529 :
530 5 : spdk_uuid_copy(&ctrlr->hostid, (struct spdk_uuid *)connect_data->hostid);
531 5 : memcpy(ctrlr->hostnqn, connect_data->hostnqn, SPDK_NVMF_NQN_MAX_LEN);
532 :
533 5 : ctrlr->visible_ns = spdk_bit_array_create(subsystem->max_nsid);
534 5 : if (!ctrlr->visible_ns) {
535 0 : SPDK_ERRLOG("Failed to allocate visible namespace array\n");
536 0 : goto err_visible_ns;
537 : }
538 5 : nvmf_ctrlr_init_visible_ns(ctrlr);
539 :
540 5 : ctrlr->vcprop.cap.raw = 0;
541 5 : ctrlr->vcprop.cap.bits.cqr = 1; /* NVMe-oF specification required */
542 5 : ctrlr->vcprop.cap.bits.mqes = transport->opts.max_queue_depth -
543 : 1; /* max queue depth */
544 5 : ctrlr->vcprop.cap.bits.ams = 0; /* optional arb mechanisms */
545 : /* ready timeout - 500 msec units */
546 5 : ctrlr->vcprop.cap.bits.to = NVMF_CTRLR_RESET_SHN_TIMEOUT_IN_MS / 500;
547 5 : ctrlr->vcprop.cap.bits.dstrd = 0; /* fixed to 0 for NVMe-oF */
548 5 : subsys_has_multi_iocs = nvmf_subsystem_has_zns_iocs(subsystem);
549 5 : if (subsys_has_multi_iocs) {
550 0 : ctrlr->vcprop.cap.bits.css =
551 : SPDK_NVME_CAP_CSS_IOCS; /* One or more I/O command sets supported */
552 : } else {
553 5 : ctrlr->vcprop.cap.bits.css = SPDK_NVME_CAP_CSS_NVM; /* NVM command set */
554 : }
555 :
556 5 : ctrlr->vcprop.cap.bits.mpsmin = 0; /* 2 ^ (12 + mpsmin) == 4k */
557 5 : ctrlr->vcprop.cap.bits.mpsmax = 0; /* 2 ^ (12 + mpsmax) == 4k */
558 :
559 : /* Version Supported: 1.3 */
560 5 : ctrlr->vcprop.vs.bits.mjr = 1;
561 5 : ctrlr->vcprop.vs.bits.mnr = 3;
562 5 : ctrlr->vcprop.vs.bits.ter = 0;
563 :
564 5 : ctrlr->vcprop.cc.raw = 0;
565 5 : ctrlr->vcprop.cc.bits.en = 0; /* Init controller disabled */
566 5 : if (subsys_has_multi_iocs) {
567 0 : ctrlr->vcprop.cc.bits.css =
568 : SPDK_NVME_CC_CSS_IOCS; /* All supported I/O Command Sets */
569 : }
570 :
571 5 : ctrlr->vcprop.csts.raw = 0;
572 5 : ctrlr->vcprop.csts.bits.rdy = 0; /* Init controller as not ready */
573 :
574 5 : SPDK_DEBUGLOG(nvmf, "cap 0x%" PRIx64 "\n", ctrlr->vcprop.cap.raw);
575 5 : SPDK_DEBUGLOG(nvmf, "vs 0x%x\n", ctrlr->vcprop.vs.raw);
576 5 : SPDK_DEBUGLOG(nvmf, "cc 0x%x\n", ctrlr->vcprop.cc.raw);
577 5 : SPDK_DEBUGLOG(nvmf, "csts 0x%x\n", ctrlr->vcprop.csts.raw);
578 :
579 5 : ctrlr->dif_insert_or_strip = transport->opts.dif_insert_or_strip;
580 :
581 5 : if (ctrlr->subsys->subtype == SPDK_NVMF_SUBTYPE_NVME) {
582 3 : if (spdk_nvmf_qpair_get_listen_trid(req->qpair, &listen_trid) != 0) {
583 0 : SPDK_ERRLOG("Could not get listener transport ID\n");
584 0 : goto err_listener;
585 : }
586 :
587 3 : ctrlr->listener = nvmf_subsystem_find_listener(ctrlr->subsys, &listen_trid);
588 3 : if (!ctrlr->listener) {
589 0 : SPDK_ERRLOG("Listener was not found\n");
590 0 : goto err_listener;
591 : }
592 : }
593 :
594 5 : nvmf_qpair_set_ctrlr(req->qpair, ctrlr);
595 5 : spdk_thread_send_msg(subsystem->thread, _nvmf_subsystem_add_ctrlr, req);
596 :
597 5 : return ctrlr;
598 0 : err_listener:
599 0 : spdk_bit_array_free(&ctrlr->visible_ns);
600 0 : err_visible_ns:
601 0 : spdk_bit_array_free(&ctrlr->qpair_mask);
602 0 : err_qpair_mask:
603 0 : free(ctrlr);
604 0 : return NULL;
605 : }
606 :
607 : static void
608 1 : _nvmf_ctrlr_destruct(void *ctx)
609 : {
610 1 : struct spdk_nvmf_ctrlr *ctrlr = ctx;
611 : struct spdk_nvmf_reservation_log *log, *log_tmp;
612 : struct spdk_nvmf_async_event_completion *event, *event_tmp;
613 :
614 : SPDK_DTRACE_PROBE3_TICKS(nvmf_ctrlr_destruct, ctrlr, ctrlr->subsys->subnqn,
615 : spdk_thread_get_id(ctrlr->thread));
616 :
617 1 : assert(spdk_get_thread() == ctrlr->thread);
618 1 : assert(ctrlr->in_destruct);
619 :
620 1 : SPDK_DEBUGLOG(nvmf, "Destroy ctrlr 0x%hx\n", ctrlr->cntlid);
621 1 : if (ctrlr->disconnect_in_progress) {
622 0 : SPDK_ERRLOG("freeing ctrlr with disconnect in progress\n");
623 0 : spdk_thread_send_msg(ctrlr->thread, _nvmf_ctrlr_destruct, ctrlr);
624 0 : return;
625 : }
626 :
627 1 : nvmf_ctrlr_stop_keep_alive_timer(ctrlr);
628 1 : nvmf_ctrlr_stop_association_timer(ctrlr);
629 1 : spdk_bit_array_free(&ctrlr->qpair_mask);
630 :
631 1 : TAILQ_FOREACH_SAFE(log, &ctrlr->log_head, link, log_tmp) {
632 0 : TAILQ_REMOVE(&ctrlr->log_head, log, link);
633 0 : free(log);
634 : }
635 1 : STAILQ_FOREACH_SAFE(event, &ctrlr->async_events, link, event_tmp) {
636 0 : STAILQ_REMOVE(&ctrlr->async_events, event, spdk_nvmf_async_event_completion, link);
637 0 : free(event);
638 : }
639 1 : spdk_bit_array_free(&ctrlr->visible_ns);
640 1 : free(ctrlr);
641 : }
642 :
643 : void
644 1 : nvmf_ctrlr_destruct(struct spdk_nvmf_ctrlr *ctrlr)
645 : {
646 1 : nvmf_subsystem_remove_ctrlr(ctrlr->subsys, ctrlr);
647 :
648 1 : spdk_thread_send_msg(ctrlr->thread, _nvmf_ctrlr_destruct, ctrlr);
649 1 : }
650 :
651 : static void
652 8 : nvmf_ctrlr_add_io_qpair(void *ctx)
653 : {
654 8 : struct spdk_nvmf_request *req = ctx;
655 8 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
656 8 : struct spdk_nvmf_qpair *qpair = req->qpair;
657 8 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
658 8 : struct spdk_nvmf_qpair *admin_qpair = ctrlr->admin_qpair;
659 8 : struct spdk_nvmf_poll_group *admin_qpair_group = NULL;
660 8 : enum spdk_nvmf_qpair_state admin_qpair_state = SPDK_NVMF_QPAIR_UNINITIALIZED;
661 8 : bool admin_qpair_active = false;
662 :
663 : SPDK_DTRACE_PROBE4_TICKS(nvmf_ctrlr_add_io_qpair, ctrlr, req->qpair, req->qpair->qid,
664 : spdk_thread_get_id(ctrlr->thread));
665 :
666 : /* Unit test will check qpair->ctrlr after calling spdk_nvmf_ctrlr_connect.
667 : * For error case, the value should be NULL. So set it to NULL at first.
668 : */
669 8 : qpair->ctrlr = NULL;
670 :
671 : /* Make sure the controller is not being destroyed. */
672 8 : if (ctrlr->in_destruct) {
673 0 : SPDK_ERRLOG("Got I/O connect while ctrlr was being destroyed.\n");
674 0 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
675 0 : goto end;
676 : }
677 :
678 8 : if (spdk_nvmf_subsystem_is_discovery(ctrlr->subsys)) {
679 1 : SPDK_ERRLOG("I/O connect not allowed on discovery controller\n");
680 1 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
681 1 : goto end;
682 : }
683 :
684 7 : if (!ctrlr->vcprop.cc.bits.en) {
685 1 : SPDK_ERRLOG("Got I/O connect before ctrlr was enabled\n");
686 1 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
687 1 : goto end;
688 : }
689 :
690 6 : if (1u << ctrlr->vcprop.cc.bits.iosqes != sizeof(struct spdk_nvme_cmd)) {
691 1 : SPDK_ERRLOG("Got I/O connect with invalid IOSQES %u\n",
692 : ctrlr->vcprop.cc.bits.iosqes);
693 1 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
694 1 : goto end;
695 : }
696 :
697 5 : if (1u << ctrlr->vcprop.cc.bits.iocqes != sizeof(struct spdk_nvme_cpl)) {
698 1 : SPDK_ERRLOG("Got I/O connect with invalid IOCQES %u\n",
699 : ctrlr->vcprop.cc.bits.iocqes);
700 1 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
701 1 : goto end;
702 : }
703 :
704 : /* There is a chance that admin qpair was destroyed. This is an issue that was observed only with ESX initiators */
705 4 : if (admin_qpair) {
706 4 : admin_qpair_active = spdk_nvmf_qpair_is_active(admin_qpair);
707 4 : admin_qpair_group = admin_qpair->group;
708 4 : admin_qpair_state = admin_qpair->state;
709 : }
710 :
711 4 : if (!admin_qpair_active || admin_qpair_group == NULL) {
712 : /* There is a chance that admin qpair was destroyed or is being destroyed at this moment due to e.g.
713 : * expired keep alive timer. Part of the qpair destruction process is change of qpair's
714 : * state to DEACTIVATING and removing it from poll group */
715 0 : SPDK_ERRLOG("Inactive admin qpair (state %d, group %p)\n", admin_qpair_state, admin_qpair_group);
716 0 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
717 0 : goto end;
718 : }
719 :
720 : /* check if we would exceed ctrlr connection limit */
721 4 : if (qpair->qid >= spdk_bit_array_capacity(ctrlr->qpair_mask)) {
722 1 : SPDK_ERRLOG("Requested QID %u but Max QID is %u\n",
723 : qpair->qid, spdk_bit_array_capacity(ctrlr->qpair_mask) - 1);
724 1 : rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
725 1 : rsp->status.sc = SPDK_NVME_SC_INVALID_QUEUE_IDENTIFIER;
726 1 : goto end;
727 : }
728 :
729 3 : nvmf_ctrlr_add_qpair(qpair, ctrlr, req);
730 3 : return;
731 5 : end:
732 5 : spdk_nvmf_request_complete(req);
733 : }
734 :
735 : static void
736 11 : _nvmf_ctrlr_add_io_qpair(void *ctx)
737 : {
738 11 : struct spdk_nvmf_request *req = ctx;
739 11 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
740 : struct spdk_nvmf_fabric_connect_data *data;
741 : struct spdk_nvmf_ctrlr *ctrlr;
742 11 : struct spdk_nvmf_qpair *qpair = req->qpair;
743 : struct spdk_nvmf_qpair *admin_qpair;
744 11 : struct spdk_nvmf_tgt *tgt = qpair->transport->tgt;
745 : struct spdk_nvmf_subsystem *subsystem;
746 11 : struct spdk_nvme_transport_id listen_trid = {};
747 : const struct spdk_nvmf_subsystem_listener *listener;
748 11 : struct spdk_nvmf_poll_group *admin_qpair_group = NULL;
749 11 : enum spdk_nvmf_qpair_state admin_qpair_state = SPDK_NVMF_QPAIR_UNINITIALIZED;
750 11 : bool admin_qpair_active = false;
751 :
752 11 : assert(req->iovcnt == 1);
753 :
754 11 : data = req->iov[0].iov_base;
755 :
756 11 : SPDK_DEBUGLOG(nvmf, "Connect I/O Queue for controller id 0x%x\n", data->cntlid);
757 :
758 11 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, data->subnqn);
759 : /* We already checked this in spdk_nvmf_ctrlr_connect */
760 11 : assert(subsystem != NULL);
761 :
762 11 : ctrlr = nvmf_subsystem_get_ctrlr(subsystem, data->cntlid);
763 11 : if (ctrlr == NULL) {
764 1 : SPDK_ERRLOG("Unknown controller ID 0x%x\n", data->cntlid);
765 1 : SPDK_NVMF_INVALID_CONNECT_DATA(rsp, cntlid);
766 1 : spdk_nvmf_request_complete(req);
767 1 : return;
768 : }
769 :
770 : /* fail before passing a message to the controller thread. */
771 10 : if (ctrlr->in_destruct) {
772 0 : SPDK_ERRLOG("Got I/O connect while ctrlr was being destroyed.\n");
773 0 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
774 0 : spdk_nvmf_request_complete(req);
775 0 : return;
776 : }
777 :
778 : /* If ANA reporting is enabled, check if I/O connect is on the same listener. */
779 10 : if (subsystem->flags.ana_reporting) {
780 0 : if (spdk_nvmf_qpair_get_listen_trid(req->qpair, &listen_trid) != 0) {
781 0 : SPDK_ERRLOG("Could not get listener transport ID\n");
782 0 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
783 0 : spdk_nvmf_request_complete(req);
784 0 : return;
785 : }
786 :
787 0 : listener = nvmf_subsystem_find_listener(subsystem, &listen_trid);
788 0 : if (listener != ctrlr->listener) {
789 0 : SPDK_ERRLOG("I/O connect is on a listener different from admin connect\n");
790 0 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
791 0 : spdk_nvmf_request_complete(req);
792 0 : return;
793 : }
794 : }
795 :
796 10 : admin_qpair = ctrlr->admin_qpair;
797 :
798 : /* There is a chance that admin qpair was destroyed. This is an issue that was observed only with ESX initiators */
799 10 : if (admin_qpair) {
800 9 : admin_qpair_active = spdk_nvmf_qpair_is_active(admin_qpair);
801 9 : admin_qpair_group = admin_qpair->group;
802 9 : admin_qpair_state = admin_qpair->state;
803 : }
804 :
805 10 : if (!admin_qpair_active || admin_qpair_group == NULL) {
806 : /* There is a chance that admin qpair was destroyed or is being destroyed at this moment due to e.g.
807 : * expired keep alive timer. Part of the qpair destruction process is change of qpair's
808 : * state to DEACTIVATING and removing it from poll group */
809 2 : SPDK_ERRLOG("Inactive admin qpair (state %d, group %p)\n", admin_qpair_state, admin_qpair_group);
810 2 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
811 2 : spdk_nvmf_request_complete(req);
812 2 : return;
813 : }
814 8 : qpair->ctrlr = ctrlr;
815 8 : spdk_thread_send_msg(admin_qpair_group->thread, nvmf_ctrlr_add_io_qpair, req);
816 : }
817 :
818 : static bool
819 21 : nvmf_qpair_access_allowed(struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_subsystem *subsystem,
820 : const char *hostnqn)
821 : {
822 21 : struct spdk_nvme_transport_id listen_trid = {};
823 :
824 21 : if (!spdk_nvmf_subsystem_host_allowed(subsystem, hostnqn)) {
825 1 : SPDK_ERRLOG("Subsystem '%s' does not allow host '%s'\n", subsystem->subnqn, hostnqn);
826 1 : return false;
827 : }
828 :
829 20 : if (spdk_nvmf_qpair_get_listen_trid(qpair, &listen_trid)) {
830 0 : SPDK_ERRLOG("Subsystem '%s' is unable to enforce access control due to an internal error.\n",
831 : subsystem->subnqn);
832 0 : return false;
833 : }
834 :
835 20 : if (!spdk_nvmf_subsystem_listener_allowed(subsystem, &listen_trid)) {
836 0 : SPDK_ERRLOG("Subsystem '%s' does not allow host '%s' to connect at this address.\n",
837 : subsystem->subnqn, hostnqn);
838 0 : return false;
839 : }
840 :
841 20 : return true;
842 : }
843 :
844 : static int
845 20 : _nvmf_ctrlr_connect(struct spdk_nvmf_request *req)
846 : {
847 20 : struct spdk_nvmf_fabric_connect_data *data = req->iov[0].iov_base;
848 20 : struct spdk_nvmf_fabric_connect_cmd *cmd = &req->cmd->connect_cmd;
849 20 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
850 20 : struct spdk_nvmf_qpair *qpair = req->qpair;
851 20 : struct spdk_nvmf_transport *transport = qpair->transport;
852 : struct spdk_nvmf_ctrlr *ctrlr;
853 : struct spdk_nvmf_subsystem *subsystem;
854 :
855 20 : SPDK_DEBUGLOG(nvmf, "recfmt 0x%x qid %u sqsize %u\n",
856 : cmd->recfmt, cmd->qid, cmd->sqsize);
857 :
858 20 : SPDK_DEBUGLOG(nvmf, "Connect data:\n");
859 20 : SPDK_DEBUGLOG(nvmf, " cntlid: 0x%04x\n", data->cntlid);
860 20 : SPDK_DEBUGLOG(nvmf, " hostid: %08x-%04x-%04x-%02x%02x-%04x%08x ***\n",
861 : ntohl(*(uint32_t *)&data->hostid[0]),
862 : ntohs(*(uint16_t *)&data->hostid[4]),
863 : ntohs(*(uint16_t *)&data->hostid[6]),
864 : data->hostid[8],
865 : data->hostid[9],
866 : ntohs(*(uint16_t *)&data->hostid[10]),
867 : ntohl(*(uint32_t *)&data->hostid[12]));
868 20 : SPDK_DEBUGLOG(nvmf, " subnqn: \"%s\"\n", data->subnqn);
869 20 : SPDK_DEBUGLOG(nvmf, " hostnqn: \"%s\"\n", data->hostnqn);
870 :
871 20 : subsystem = spdk_nvmf_tgt_find_subsystem(transport->tgt, data->subnqn);
872 20 : if (!subsystem) {
873 0 : SPDK_NVMF_INVALID_CONNECT_DATA(rsp, subnqn);
874 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
875 : }
876 :
877 20 : if (cmd->recfmt != 0) {
878 1 : SPDK_ERRLOG("Connect command unsupported RECFMT %u\n", cmd->recfmt);
879 1 : rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
880 1 : rsp->status.sc = SPDK_NVMF_FABRIC_SC_INCOMPATIBLE_FORMAT;
881 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
882 : }
883 :
884 : /*
885 : * SQSIZE is a 0-based value, so it must be at least 1 (minimum queue depth is 2) and
886 : * strictly less than max_aq_depth (admin queues) or max_queue_depth (io queues).
887 : */
888 19 : if (cmd->sqsize == 0) {
889 1 : SPDK_ERRLOG("Invalid SQSIZE = 0\n");
890 1 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, sqsize);
891 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
892 : }
893 :
894 18 : if (cmd->qid == 0) {
895 6 : if (cmd->sqsize >= transport->opts.max_aq_depth) {
896 1 : SPDK_ERRLOG("Invalid SQSIZE for admin queue %u (min 1, max %u)\n",
897 : cmd->sqsize, transport->opts.max_aq_depth - 1);
898 1 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, sqsize);
899 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
900 : }
901 12 : } else if (cmd->sqsize >= transport->opts.max_queue_depth) {
902 1 : SPDK_ERRLOG("Invalid SQSIZE %u (min 1, max %u)\n",
903 : cmd->sqsize, transport->opts.max_queue_depth - 1);
904 1 : SPDK_NVMF_INVALID_CONNECT_CMD(rsp, sqsize);
905 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
906 : }
907 :
908 16 : qpair->sq_head_max = cmd->sqsize;
909 16 : qpair->qid = cmd->qid;
910 16 : qpair->connect_received = true;
911 :
912 16 : pthread_mutex_lock(&qpair->group->mutex);
913 16 : assert(qpair->group->current_unassociated_qpairs > 0);
914 16 : qpair->group->current_unassociated_qpairs--;
915 16 : pthread_mutex_unlock(&qpair->group->mutex);
916 :
917 16 : if (0 == qpair->qid) {
918 5 : qpair->group->stat.admin_qpairs++;
919 5 : qpair->group->stat.current_admin_qpairs++;
920 : } else {
921 11 : qpair->group->stat.io_qpairs++;
922 11 : qpair->group->stat.current_io_qpairs++;
923 : }
924 :
925 16 : if (cmd->qid == 0) {
926 5 : SPDK_DEBUGLOG(nvmf, "Connect Admin Queue for controller ID 0x%x\n", data->cntlid);
927 :
928 5 : if (spdk_nvme_trtype_is_fabrics(transport->ops->type) && data->cntlid != 0xFFFF) {
929 : /* This NVMf target only supports dynamic mode. */
930 1 : SPDK_ERRLOG("The NVMf target only supports dynamic mode (CNTLID = 0x%x).\n", data->cntlid);
931 1 : SPDK_NVMF_INVALID_CONNECT_DATA(rsp, cntlid);
932 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
933 : }
934 :
935 : /* Establish a new ctrlr */
936 4 : ctrlr = nvmf_ctrlr_create(subsystem, req, cmd, data);
937 4 : if (!ctrlr) {
938 0 : SPDK_ERRLOG("nvmf_ctrlr_create() failed\n");
939 0 : rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
940 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
941 : } else {
942 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
943 : }
944 : } else {
945 11 : spdk_thread_send_msg(subsystem->thread, _nvmf_ctrlr_add_io_qpair, req);
946 11 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
947 : }
948 : }
949 :
950 : static struct spdk_nvmf_subsystem_poll_group *
951 9 : nvmf_subsystem_pg_from_connect_cmd(struct spdk_nvmf_request *req)
952 : {
953 : struct spdk_nvmf_fabric_connect_data *data;
954 : struct spdk_nvmf_subsystem *subsystem;
955 : struct spdk_nvmf_tgt *tgt;
956 :
957 9 : assert(nvmf_request_is_fabric_connect(req));
958 9 : assert(req->qpair->ctrlr == NULL);
959 9 : assert(req->iovcnt == 1);
960 :
961 9 : data = req->iov[0].iov_base;
962 9 : tgt = req->qpair->transport->tgt;
963 :
964 9 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, data->subnqn);
965 9 : if (subsystem == NULL) {
966 0 : return NULL;
967 : }
968 :
969 9 : return &req->qpair->group->sgroups[subsystem->id];
970 : }
971 :
972 : int
973 0 : spdk_nvmf_ctrlr_connect(struct spdk_nvmf_request *req)
974 : {
975 0 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
976 : struct spdk_nvmf_subsystem_poll_group *sgroup;
977 0 : struct spdk_nvmf_qpair *qpair = req->qpair;
978 : enum spdk_nvmf_request_exec_status status;
979 :
980 0 : if (req->iovcnt > 1) {
981 0 : SPDK_ERRLOG("Connect command invalid iovcnt: %d\n", req->iovcnt);
982 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
983 0 : status = SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
984 0 : goto out;
985 : }
986 :
987 0 : sgroup = nvmf_subsystem_pg_from_connect_cmd(req);
988 0 : if (!sgroup) {
989 0 : SPDK_NVMF_INVALID_CONNECT_DATA(rsp, subnqn);
990 0 : status = SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
991 0 : goto out;
992 : }
993 :
994 0 : sgroup->mgmt_io_outstanding++;
995 0 : TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);
996 :
997 0 : status = _nvmf_ctrlr_connect(req);
998 :
999 0 : out:
1000 0 : if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
1001 0 : _nvmf_request_complete(req);
1002 : }
1003 :
1004 0 : return status;
1005 : }
1006 :
1007 : static int
1008 24 : nvmf_ctrlr_cmd_connect(struct spdk_nvmf_request *req)
1009 : {
1010 24 : struct spdk_nvmf_fabric_connect_data *data = req->iov[0].iov_base;
1011 24 : struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp;
1012 24 : struct spdk_nvmf_transport *transport = req->qpair->transport;
1013 : struct spdk_nvmf_subsystem *subsystem;
1014 :
1015 24 : if (req->length < sizeof(struct spdk_nvmf_fabric_connect_data)) {
1016 1 : SPDK_ERRLOG("Connect command data length 0x%x too small\n", req->length);
1017 1 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1018 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1019 : }
1020 :
1021 23 : if (req->iovcnt > 1) {
1022 0 : SPDK_ERRLOG("Connect command invalid iovcnt: %d\n", req->iovcnt);
1023 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1024 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1025 : }
1026 :
1027 23 : subsystem = spdk_nvmf_tgt_find_subsystem(transport->tgt, data->subnqn);
1028 23 : if (!subsystem) {
1029 1 : SPDK_NVMF_INVALID_CONNECT_DATA(rsp, subnqn);
1030 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1031 : }
1032 :
1033 22 : if ((subsystem->state == SPDK_NVMF_SUBSYSTEM_INACTIVE) ||
1034 22 : (subsystem->state == SPDK_NVMF_SUBSYSTEM_PAUSING) ||
1035 22 : (subsystem->state == SPDK_NVMF_SUBSYSTEM_PAUSED) ||
1036 22 : (subsystem->state == SPDK_NVMF_SUBSYSTEM_DEACTIVATING)) {
1037 : struct spdk_nvmf_subsystem_poll_group *sgroup;
1038 :
1039 : /* Subsystem is not ready to handle a connect. Decrement
1040 : * the mgmt_io_outstanding to avoid the subsystem waiting
1041 : * for this command to complete before unpausing. Queued
1042 : * requests get retried when subsystem resumes.
1043 : */
1044 0 : sgroup = nvmf_subsystem_pg_from_connect_cmd(req);
1045 0 : assert(sgroup != NULL);
1046 0 : sgroup->mgmt_io_outstanding--;
1047 0 : TAILQ_REMOVE(&req->qpair->outstanding, req, link);
1048 0 : TAILQ_INSERT_TAIL(&sgroup->queued, req, link);
1049 0 : SPDK_DEBUGLOG(nvmf, "Subsystem '%s' is not ready for connect, retrying...\n", subsystem->subnqn);
1050 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
1051 : }
1052 :
1053 : /* Ensure that hostnqn is null terminated */
1054 22 : if (!memchr(data->hostnqn, '\0', SPDK_NVMF_NQN_MAX_LEN + 1)) {
1055 1 : SPDK_ERRLOG("Connect HOSTNQN is not null terminated\n");
1056 1 : SPDK_NVMF_INVALID_CONNECT_DATA(rsp, hostnqn);
1057 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1058 : }
1059 :
1060 21 : if (!nvmf_qpair_access_allowed(req->qpair, subsystem, data->hostnqn)) {
1061 1 : rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
1062 1 : rsp->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_HOST;
1063 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1064 : }
1065 :
1066 20 : return _nvmf_ctrlr_connect(req);
1067 : }
1068 :
1069 : static int
1070 0 : nvmf_ctrlr_association_remove(void *ctx)
1071 : {
1072 0 : struct spdk_nvmf_ctrlr *ctrlr = ctx;
1073 : int rc;
1074 :
1075 0 : nvmf_ctrlr_stop_association_timer(ctrlr);
1076 :
1077 0 : if (ctrlr->in_destruct) {
1078 0 : return SPDK_POLLER_IDLE;
1079 : }
1080 0 : SPDK_DEBUGLOG(nvmf, "Disconnecting host from subsystem %s due to association timeout.\n",
1081 : ctrlr->subsys->subnqn);
1082 :
1083 0 : if (ctrlr->admin_qpair) {
1084 0 : rc = spdk_nvmf_qpair_disconnect(ctrlr->admin_qpair);
1085 0 : if (rc < 0 && rc != -EINPROGRESS) {
1086 0 : SPDK_ERRLOG("Fail to disconnect admin ctrlr qpair\n");
1087 0 : assert(false);
1088 : }
1089 : }
1090 :
1091 0 : return SPDK_POLLER_BUSY;
1092 : }
1093 :
1094 : static int
1095 0 : _nvmf_ctrlr_cc_reset_shn_done(void *ctx)
1096 : {
1097 0 : struct spdk_nvmf_ctrlr *ctrlr = ctx;
1098 0 : uint64_t now = spdk_get_ticks();
1099 : uint32_t count;
1100 :
1101 0 : if (ctrlr->cc_timer) {
1102 0 : spdk_poller_unregister(&ctrlr->cc_timer);
1103 : }
1104 :
1105 0 : count = spdk_bit_array_count_set(ctrlr->qpair_mask);
1106 0 : SPDK_DEBUGLOG(nvmf, "ctrlr %p active queue count %u\n", ctrlr, count);
1107 :
1108 0 : if (count > 1) {
1109 0 : if (now < ctrlr->cc_timeout_tsc) {
1110 : /* restart cc timer */
1111 0 : ctrlr->cc_timer = SPDK_POLLER_REGISTER(_nvmf_ctrlr_cc_reset_shn_done, ctrlr, 100 * 1000);
1112 0 : return SPDK_POLLER_IDLE;
1113 : } else {
1114 : /* controller fatal status */
1115 0 : SPDK_WARNLOG("IO timeout, ctrlr %p is in fatal status\n", ctrlr);
1116 0 : nvmf_ctrlr_set_fatal_status(ctrlr);
1117 : }
1118 : }
1119 :
1120 0 : spdk_poller_unregister(&ctrlr->cc_timeout_timer);
1121 :
1122 0 : if (ctrlr->disconnect_is_shn) {
1123 0 : ctrlr->vcprop.csts.bits.shst = SPDK_NVME_SHST_COMPLETE;
1124 0 : ctrlr->disconnect_is_shn = false;
1125 : } else {
1126 : /* Only a subset of the registers are cleared out on a reset */
1127 0 : ctrlr->vcprop.cc.raw = 0;
1128 0 : ctrlr->vcprop.csts.raw = 0;
1129 : }
1130 :
1131 : /* After CC.EN transitions to 0 (due to shutdown or reset), the association
1132 : * between the host and controller shall be preserved for at least 2 minutes */
1133 0 : if (ctrlr->association_timer) {
1134 0 : SPDK_DEBUGLOG(nvmf, "Association timer already set\n");
1135 0 : nvmf_ctrlr_stop_association_timer(ctrlr);
1136 : }
1137 0 : if (ctrlr->association_timeout) {
1138 0 : ctrlr->association_timer = SPDK_POLLER_REGISTER(nvmf_ctrlr_association_remove, ctrlr,
1139 : ctrlr->association_timeout * 1000);
1140 : }
1141 0 : ctrlr->disconnect_in_progress = false;
1142 0 : return SPDK_POLLER_BUSY;
1143 : }
1144 :
1145 : static void
1146 0 : nvmf_ctrlr_cc_reset_shn_done(struct spdk_io_channel_iter *i, int status)
1147 : {
1148 0 : struct spdk_nvmf_ctrlr *ctrlr = spdk_io_channel_iter_get_ctx(i);
1149 :
1150 0 : if (status < 0) {
1151 0 : SPDK_ERRLOG("Fail to disconnect io ctrlr qpairs\n");
1152 0 : assert(false);
1153 : }
1154 :
1155 0 : _nvmf_ctrlr_cc_reset_shn_done((void *)ctrlr);
1156 0 : }
1157 :
1158 : static void
1159 0 : nvmf_bdev_complete_reset(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
1160 : {
1161 0 : SPDK_NOTICELOG("Resetting bdev done with %s\n", success ? "success" : "failure");
1162 :
1163 0 : spdk_bdev_free_io(bdev_io);
1164 0 : }
1165 :
1166 :
1167 : static int
1168 0 : nvmf_ctrlr_cc_timeout(void *ctx)
1169 : {
1170 0 : struct spdk_nvmf_ctrlr *ctrlr = ctx;
1171 : struct spdk_nvmf_poll_group *group;
1172 : struct spdk_nvmf_ns *ns;
1173 : struct spdk_nvmf_subsystem_pg_ns_info *ns_info;
1174 :
1175 0 : spdk_poller_unregister(&ctrlr->cc_timeout_timer);
1176 0 : SPDK_DEBUGLOG(nvmf, "Ctrlr %p reset or shutdown timeout\n", ctrlr);
1177 :
1178 0 : if (!ctrlr->admin_qpair) {
1179 0 : SPDK_NOTICELOG("Ctrlr %p admin qpair disconnected\n", ctrlr);
1180 0 : return SPDK_POLLER_IDLE;
1181 : }
1182 :
1183 0 : group = ctrlr->admin_qpair->group;
1184 0 : assert(group != NULL && group->sgroups != NULL);
1185 :
1186 0 : for (ns = spdk_nvmf_subsystem_get_first_ns(ctrlr->subsys); ns != NULL;
1187 0 : ns = spdk_nvmf_subsystem_get_next_ns(ctrlr->subsys, ns)) {
1188 0 : if (ns->bdev == NULL) {
1189 0 : continue;
1190 : }
1191 0 : ns_info = &group->sgroups[ctrlr->subsys->id].ns_info[ns->opts.nsid - 1];
1192 0 : SPDK_NOTICELOG("Ctrlr %p resetting NSID %u\n", ctrlr, ns->opts.nsid);
1193 0 : spdk_bdev_reset(ns->desc, ns_info->channel, nvmf_bdev_complete_reset, NULL);
1194 : }
1195 :
1196 0 : return SPDK_POLLER_BUSY;
1197 : }
1198 :
1199 : const struct spdk_nvmf_registers *
1200 0 : spdk_nvmf_ctrlr_get_regs(struct spdk_nvmf_ctrlr *ctrlr)
1201 : {
1202 0 : return &ctrlr->vcprop;
1203 : }
1204 :
1205 : void
1206 0 : nvmf_ctrlr_set_fatal_status(struct spdk_nvmf_ctrlr *ctrlr)
1207 : {
1208 0 : ctrlr->vcprop.csts.bits.cfs = 1;
1209 0 : }
1210 :
1211 : static uint64_t
1212 0 : nvmf_prop_get_cap(struct spdk_nvmf_ctrlr *ctrlr)
1213 : {
1214 0 : return ctrlr->vcprop.cap.raw;
1215 : }
1216 :
1217 : static uint64_t
1218 0 : nvmf_prop_get_vs(struct spdk_nvmf_ctrlr *ctrlr)
1219 : {
1220 0 : return ctrlr->vcprop.vs.raw;
1221 : }
1222 :
1223 : static uint64_t
1224 1 : nvmf_prop_get_cc(struct spdk_nvmf_ctrlr *ctrlr)
1225 : {
1226 1 : return ctrlr->vcprop.cc.raw;
1227 : }
1228 :
1229 : static bool
1230 1 : nvmf_prop_set_cc(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value)
1231 : {
1232 : union spdk_nvme_cc_register cc, diff;
1233 : uint32_t cc_timeout_ms;
1234 :
1235 1 : cc.raw = value;
1236 :
1237 1 : SPDK_DEBUGLOG(nvmf, "cur CC: 0x%08x\n", ctrlr->vcprop.cc.raw);
1238 1 : SPDK_DEBUGLOG(nvmf, "new CC: 0x%08x\n", cc.raw);
1239 :
1240 : /*
1241 : * Calculate which bits changed between the current and new CC.
1242 : * Mark each bit as 0 once it is handled to determine if any unhandled bits were changed.
1243 : */
1244 1 : diff.raw = cc.raw ^ ctrlr->vcprop.cc.raw;
1245 :
1246 1 : if (diff.bits.en) {
1247 0 : if (cc.bits.en) {
1248 0 : SPDK_DEBUGLOG(nvmf, "Property Set CC Enable!\n");
1249 0 : nvmf_ctrlr_stop_association_timer(ctrlr);
1250 :
1251 0 : ctrlr->vcprop.cc.bits.en = 1;
1252 0 : ctrlr->vcprop.csts.bits.rdy = 1;
1253 : } else {
1254 0 : SPDK_DEBUGLOG(nvmf, "Property Set CC Disable!\n");
1255 0 : if (ctrlr->disconnect_in_progress) {
1256 0 : SPDK_DEBUGLOG(nvmf, "Disconnect in progress\n");
1257 0 : return true;
1258 : }
1259 :
1260 0 : ctrlr->cc_timeout_timer = SPDK_POLLER_REGISTER(nvmf_ctrlr_cc_timeout, ctrlr,
1261 : NVMF_CC_RESET_SHN_TIMEOUT_IN_MS * 1000);
1262 : /* Make sure cc_timeout_ms is between cc_timeout_timer and Host reset/shutdown timeout */
1263 0 : cc_timeout_ms = (NVMF_CC_RESET_SHN_TIMEOUT_IN_MS + NVMF_CTRLR_RESET_SHN_TIMEOUT_IN_MS) / 2;
1264 0 : ctrlr->cc_timeout_tsc = spdk_get_ticks() + cc_timeout_ms * spdk_get_ticks_hz() / (uint64_t)1000;
1265 :
1266 0 : ctrlr->vcprop.cc.bits.en = 0;
1267 0 : ctrlr->disconnect_in_progress = true;
1268 0 : ctrlr->disconnect_is_shn = false;
1269 0 : spdk_for_each_channel(ctrlr->subsys->tgt,
1270 : nvmf_ctrlr_disconnect_io_qpairs_on_pg,
1271 : ctrlr,
1272 : nvmf_ctrlr_cc_reset_shn_done);
1273 : }
1274 0 : diff.bits.en = 0;
1275 : }
1276 :
1277 1 : if (diff.bits.shn) {
1278 0 : if (cc.bits.shn == SPDK_NVME_SHN_NORMAL ||
1279 0 : cc.bits.shn == SPDK_NVME_SHN_ABRUPT) {
1280 0 : SPDK_DEBUGLOG(nvmf, "Property Set CC Shutdown %u%ub!\n",
1281 : cc.bits.shn >> 1, cc.bits.shn & 1);
1282 0 : if (ctrlr->disconnect_in_progress) {
1283 0 : SPDK_DEBUGLOG(nvmf, "Disconnect in progress\n");
1284 0 : return true;
1285 : }
1286 :
1287 0 : ctrlr->cc_timeout_timer = SPDK_POLLER_REGISTER(nvmf_ctrlr_cc_timeout, ctrlr,
1288 : NVMF_CC_RESET_SHN_TIMEOUT_IN_MS * 1000);
1289 : /* Make sure cc_timeout_ms is between cc_timeout_timer and Host reset/shutdown timeout */
1290 0 : cc_timeout_ms = (NVMF_CC_RESET_SHN_TIMEOUT_IN_MS + NVMF_CTRLR_RESET_SHN_TIMEOUT_IN_MS) / 2;
1291 0 : ctrlr->cc_timeout_tsc = spdk_get_ticks() + cc_timeout_ms * spdk_get_ticks_hz() / (uint64_t)1000;
1292 :
1293 0 : ctrlr->vcprop.cc.bits.shn = cc.bits.shn;
1294 0 : ctrlr->disconnect_in_progress = true;
1295 0 : ctrlr->disconnect_is_shn = true;
1296 0 : spdk_for_each_channel(ctrlr->subsys->tgt,
1297 : nvmf_ctrlr_disconnect_io_qpairs_on_pg,
1298 : ctrlr,
1299 : nvmf_ctrlr_cc_reset_shn_done);
1300 :
1301 : /* From the time a shutdown is initiated the controller shall disable
1302 : * Keep Alive timer */
1303 0 : nvmf_ctrlr_stop_keep_alive_timer(ctrlr);
1304 0 : } else if (cc.bits.shn == 0) {
1305 0 : ctrlr->vcprop.cc.bits.shn = 0;
1306 : } else {
1307 0 : SPDK_ERRLOG("Prop Set CC: Invalid SHN value %u%ub\n",
1308 : cc.bits.shn >> 1, cc.bits.shn & 1);
1309 0 : return false;
1310 : }
1311 0 : diff.bits.shn = 0;
1312 : }
1313 :
1314 1 : if (diff.bits.iosqes) {
1315 0 : SPDK_DEBUGLOG(nvmf, "Prop Set IOSQES = %u (%u bytes)\n",
1316 : cc.bits.iosqes, 1u << cc.bits.iosqes);
1317 0 : ctrlr->vcprop.cc.bits.iosqes = cc.bits.iosqes;
1318 0 : diff.bits.iosqes = 0;
1319 : }
1320 :
1321 1 : if (diff.bits.iocqes) {
1322 0 : SPDK_DEBUGLOG(nvmf, "Prop Set IOCQES = %u (%u bytes)\n",
1323 : cc.bits.iocqes, 1u << cc.bits.iocqes);
1324 0 : ctrlr->vcprop.cc.bits.iocqes = cc.bits.iocqes;
1325 0 : diff.bits.iocqes = 0;
1326 : }
1327 :
1328 1 : if (diff.bits.ams) {
1329 0 : SPDK_ERRLOG("Arbitration Mechanism Selected (AMS) 0x%x not supported!\n", cc.bits.ams);
1330 0 : return false;
1331 : }
1332 :
1333 1 : if (diff.bits.mps) {
1334 0 : SPDK_ERRLOG("Memory Page Size (MPS) %u KiB not supported!\n", (1 << (2 + cc.bits.mps)));
1335 0 : return false;
1336 : }
1337 :
1338 1 : if (diff.bits.css) {
1339 0 : if (cc.bits.css > SPDK_NVME_CC_CSS_IOCS) {
1340 0 : SPDK_ERRLOG("I/O Command Set Selected (CSS) 0x%x not supported!\n", cc.bits.css);
1341 0 : return false;
1342 : }
1343 0 : diff.bits.css = 0;
1344 : }
1345 :
1346 1 : if (diff.raw != 0) {
1347 : /* Print an error message, but don't fail the command in this case.
1348 : * If we did want to fail in this case, we'd need to ensure we acted
1349 : * on no other bits or the initiator gets confused. */
1350 0 : SPDK_ERRLOG("Prop Set CC toggled reserved bits 0x%x!\n", diff.raw);
1351 : }
1352 :
1353 1 : return true;
1354 : }
1355 :
1356 : static uint64_t
1357 0 : nvmf_prop_get_csts(struct spdk_nvmf_ctrlr *ctrlr)
1358 : {
1359 0 : return ctrlr->vcprop.csts.raw;
1360 : }
1361 :
1362 : static uint64_t
1363 0 : nvmf_prop_get_aqa(struct spdk_nvmf_ctrlr *ctrlr)
1364 : {
1365 0 : return ctrlr->vcprop.aqa.raw;
1366 : }
1367 :
1368 : static bool
1369 0 : nvmf_prop_set_aqa(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value)
1370 : {
1371 : union spdk_nvme_aqa_register aqa;
1372 :
1373 0 : aqa.raw = value;
1374 :
1375 : /*
1376 : * We don't need to explicitly check for maximum size, as the fields are
1377 : * limited to 12 bits (4096).
1378 : */
1379 0 : if (aqa.bits.asqs < SPDK_NVME_ADMIN_QUEUE_MIN_ENTRIES - 1 ||
1380 0 : aqa.bits.acqs < SPDK_NVME_ADMIN_QUEUE_MIN_ENTRIES - 1 ||
1381 0 : aqa.bits.reserved1 != 0 || aqa.bits.reserved2 != 0) {
1382 0 : return false;
1383 : }
1384 :
1385 0 : ctrlr->vcprop.aqa.raw = value;
1386 :
1387 0 : return true;
1388 : }
1389 :
1390 : static uint64_t
1391 1 : nvmf_prop_get_asq(struct spdk_nvmf_ctrlr *ctrlr)
1392 : {
1393 1 : return ctrlr->vcprop.asq;
1394 : }
1395 :
1396 : static bool
1397 1 : nvmf_prop_set_asq_lower(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value)
1398 : {
1399 1 : ctrlr->vcprop.asq = (ctrlr->vcprop.asq & (0xFFFFFFFFULL << 32ULL)) | value;
1400 :
1401 1 : return true;
1402 : }
1403 :
1404 : static bool
1405 0 : nvmf_prop_set_asq_upper(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value)
1406 : {
1407 0 : ctrlr->vcprop.asq = (ctrlr->vcprop.asq & 0xFFFFFFFFULL) | ((uint64_t)value << 32ULL);
1408 :
1409 0 : return true;
1410 : }
1411 :
1412 : static uint64_t
1413 0 : nvmf_prop_get_acq(struct spdk_nvmf_ctrlr *ctrlr)
1414 : {
1415 0 : return ctrlr->vcprop.acq;
1416 : }
1417 :
1418 : static bool
1419 0 : nvmf_prop_set_acq_lower(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value)
1420 : {
1421 0 : ctrlr->vcprop.acq = (ctrlr->vcprop.acq & (0xFFFFFFFFULL << 32ULL)) | value;
1422 :
1423 0 : return true;
1424 : }
1425 :
1426 : static bool
1427 0 : nvmf_prop_set_acq_upper(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value)
1428 : {
1429 0 : ctrlr->vcprop.acq = (ctrlr->vcprop.acq & 0xFFFFFFFFULL) | ((uint64_t)value << 32ULL);
1430 :
1431 0 : return true;
1432 : }
1433 :
1434 : struct nvmf_prop {
1435 : uint32_t ofst;
1436 : uint8_t size;
1437 : char name[11];
1438 : uint64_t (*get_cb)(struct spdk_nvmf_ctrlr *ctrlr);
1439 : bool (*set_cb)(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value);
1440 : bool (*set_upper_cb)(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value);
1441 : };
1442 :
1443 : #define PROP(field, size, get_cb, set_cb, set_upper_cb) \
1444 : { \
1445 : offsetof(struct spdk_nvme_registers, field), \
1446 : size, \
1447 : #field, \
1448 : get_cb, set_cb, set_upper_cb \
1449 : }
1450 :
1451 : static const struct nvmf_prop nvmf_props[] = {
1452 : PROP(cap, 8, nvmf_prop_get_cap, NULL, NULL),
1453 : PROP(vs, 4, nvmf_prop_get_vs, NULL, NULL),
1454 : PROP(cc, 4, nvmf_prop_get_cc, nvmf_prop_set_cc, NULL),
1455 : PROP(csts, 4, nvmf_prop_get_csts, NULL, NULL),
1456 : PROP(aqa, 4, nvmf_prop_get_aqa, nvmf_prop_set_aqa, NULL),
1457 : PROP(asq, 8, nvmf_prop_get_asq, nvmf_prop_set_asq_lower, nvmf_prop_set_asq_upper),
1458 : PROP(acq, 8, nvmf_prop_get_acq, nvmf_prop_set_acq_lower, nvmf_prop_set_acq_upper),
1459 : };
1460 :
1461 : static const struct nvmf_prop *
1462 6 : find_prop(uint32_t ofst, uint8_t size)
1463 : {
1464 : size_t i;
1465 :
1466 28 : for (i = 0; i < SPDK_COUNTOF(nvmf_props); i++) {
1467 27 : const struct nvmf_prop *prop = &nvmf_props[i];
1468 :
1469 27 : if ((ofst >= prop->ofst) && (ofst + size <= prop->ofst + prop->size)) {
1470 5 : return prop;
1471 : }
1472 : }
1473 :
1474 1 : return NULL;
1475 : }
1476 :
1477 : static int
1478 3 : nvmf_property_get(struct spdk_nvmf_request *req)
1479 : {
1480 3 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1481 3 : struct spdk_nvmf_fabric_prop_get_cmd *cmd = &req->cmd->prop_get_cmd;
1482 3 : struct spdk_nvmf_fabric_prop_get_rsp *response = &req->rsp->prop_get_rsp;
1483 : const struct nvmf_prop *prop;
1484 : uint8_t size;
1485 :
1486 3 : response->status.sc = 0;
1487 3 : response->value.u64 = 0;
1488 :
1489 3 : SPDK_DEBUGLOG(nvmf, "size %d, offset 0x%x\n",
1490 : cmd->attrib.size, cmd->ofst);
1491 :
1492 3 : switch (cmd->attrib.size) {
1493 3 : case SPDK_NVMF_PROP_SIZE_4:
1494 3 : size = 4;
1495 3 : break;
1496 0 : case SPDK_NVMF_PROP_SIZE_8:
1497 0 : size = 8;
1498 0 : break;
1499 0 : default:
1500 0 : SPDK_DEBUGLOG(nvmf, "Invalid size value %d\n", cmd->attrib.size);
1501 0 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
1502 0 : response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM;
1503 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1504 : }
1505 :
1506 3 : prop = find_prop(cmd->ofst, size);
1507 3 : if (prop == NULL || prop->get_cb == NULL) {
1508 1 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
1509 1 : response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM;
1510 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1511 : }
1512 :
1513 2 : SPDK_DEBUGLOG(nvmf, "name: %s\n", prop->name);
1514 :
1515 2 : response->value.u64 = prop->get_cb(ctrlr);
1516 :
1517 2 : if (size != prop->size) {
1518 : /* The size must be 4 and the prop->size is 8. Figure out which part of the property to read. */
1519 1 : assert(size == 4);
1520 1 : assert(prop->size == 8);
1521 :
1522 1 : if (cmd->ofst == prop->ofst) {
1523 : /* Keep bottom 4 bytes only */
1524 1 : response->value.u64 &= 0xFFFFFFFF;
1525 : } else {
1526 : /* Keep top 4 bytes only */
1527 0 : response->value.u64 >>= 32;
1528 : }
1529 : }
1530 :
1531 2 : SPDK_DEBUGLOG(nvmf, "response value: 0x%" PRIx64 "\n", response->value.u64);
1532 :
1533 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1534 : }
1535 :
1536 : static int
1537 3 : nvmf_property_set(struct spdk_nvmf_request *req)
1538 : {
1539 3 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1540 3 : struct spdk_nvmf_fabric_prop_set_cmd *cmd = &req->cmd->prop_set_cmd;
1541 3 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
1542 : const struct nvmf_prop *prop;
1543 : uint64_t value;
1544 : uint8_t size;
1545 : bool ret;
1546 :
1547 3 : SPDK_DEBUGLOG(nvmf, "size %d, offset 0x%x, value 0x%" PRIx64 "\n",
1548 : cmd->attrib.size, cmd->ofst, cmd->value.u64);
1549 :
1550 3 : switch (cmd->attrib.size) {
1551 3 : case SPDK_NVMF_PROP_SIZE_4:
1552 3 : size = 4;
1553 3 : break;
1554 0 : case SPDK_NVMF_PROP_SIZE_8:
1555 0 : size = 8;
1556 0 : break;
1557 0 : default:
1558 0 : SPDK_DEBUGLOG(nvmf, "Invalid size value %d\n", cmd->attrib.size);
1559 0 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
1560 0 : response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM;
1561 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1562 : }
1563 :
1564 3 : prop = find_prop(cmd->ofst, size);
1565 3 : if (prop == NULL || prop->set_cb == NULL) {
1566 1 : SPDK_INFOLOG(nvmf, "Invalid offset 0x%x\n", cmd->ofst);
1567 1 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
1568 1 : response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM;
1569 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1570 : }
1571 :
1572 2 : SPDK_DEBUGLOG(nvmf, "name: %s\n", prop->name);
1573 :
1574 2 : value = cmd->value.u64;
1575 :
1576 2 : if (prop->size == 4) {
1577 1 : ret = prop->set_cb(ctrlr, (uint32_t)value);
1578 1 : } else if (size != prop->size) {
1579 : /* The size must be 4 and the prop->size is 8. Figure out which part of the property to write. */
1580 1 : assert(size == 4);
1581 1 : assert(prop->size == 8);
1582 :
1583 1 : if (cmd->ofst == prop->ofst) {
1584 1 : ret = prop->set_cb(ctrlr, (uint32_t)value);
1585 : } else {
1586 0 : ret = prop->set_upper_cb(ctrlr, (uint32_t)value);
1587 : }
1588 : } else {
1589 0 : ret = prop->set_cb(ctrlr, (uint32_t)value);
1590 0 : if (ret) {
1591 0 : ret = prop->set_upper_cb(ctrlr, (uint32_t)(value >> 32));
1592 : }
1593 : }
1594 :
1595 2 : if (!ret) {
1596 0 : SPDK_ERRLOG("prop set_cb failed\n");
1597 0 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
1598 0 : response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM;
1599 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1600 : }
1601 :
1602 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1603 : }
1604 :
1605 : static int
1606 0 : nvmf_ctrlr_set_features_arbitration(struct spdk_nvmf_request *req)
1607 : {
1608 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1609 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1610 :
1611 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Arbitration (cdw11 = 0x%0x)\n", cmd->cdw11);
1612 :
1613 0 : ctrlr->feat.arbitration.raw = cmd->cdw11;
1614 0 : ctrlr->feat.arbitration.bits.reserved = 0;
1615 :
1616 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1617 : }
1618 :
1619 : static int
1620 0 : nvmf_ctrlr_set_features_power_management(struct spdk_nvmf_request *req)
1621 : {
1622 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1623 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1624 0 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
1625 :
1626 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Power Management (cdw11 = 0x%0x)\n", cmd->cdw11);
1627 :
1628 : /* Only PS = 0 is allowed, since we report NPSS = 0 */
1629 0 : if (cmd->cdw11_bits.feat_power_management.bits.ps != 0) {
1630 0 : SPDK_ERRLOG("Invalid power state %u\n", cmd->cdw11_bits.feat_power_management.bits.ps);
1631 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
1632 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1633 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1634 : }
1635 :
1636 0 : ctrlr->feat.power_management.raw = cmd->cdw11;
1637 0 : ctrlr->feat.power_management.bits.reserved = 0;
1638 :
1639 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1640 : }
1641 :
1642 : static bool
1643 5 : temp_threshold_opts_valid(const union spdk_nvme_feat_temperature_threshold *opts)
1644 : {
1645 : /*
1646 : * Valid TMPSEL values:
1647 : * 0000b - 1000b: temperature sensors
1648 : * 1111b: set all implemented temperature sensors
1649 : */
1650 5 : if (opts->bits.tmpsel >= 9 && opts->bits.tmpsel != 15) {
1651 : /* 1001b - 1110b: reserved */
1652 2 : SPDK_ERRLOG("Invalid TMPSEL %u\n", opts->bits.tmpsel);
1653 2 : return false;
1654 : }
1655 :
1656 : /*
1657 : * Valid THSEL values:
1658 : * 00b: over temperature threshold
1659 : * 01b: under temperature threshold
1660 : */
1661 3 : if (opts->bits.thsel > 1) {
1662 : /* 10b - 11b: reserved */
1663 1 : SPDK_ERRLOG("Invalid THSEL %u\n", opts->bits.thsel);
1664 1 : return false;
1665 : }
1666 :
1667 2 : return true;
1668 : }
1669 :
1670 : static int
1671 3 : nvmf_ctrlr_set_features_temperature_threshold(struct spdk_nvmf_request *req)
1672 : {
1673 3 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1674 3 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
1675 :
1676 3 : SPDK_DEBUGLOG(nvmf, "Set Features - Temperature Threshold (cdw11 = 0x%0x)\n", cmd->cdw11);
1677 :
1678 3 : if (!temp_threshold_opts_valid(&cmd->cdw11_bits.feat_temp_threshold)) {
1679 2 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
1680 2 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1681 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1682 : }
1683 :
1684 : /* TODO: no sensors implemented - ignore new values */
1685 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1686 : }
1687 :
1688 : static int
1689 2 : nvmf_ctrlr_get_features_temperature_threshold(struct spdk_nvmf_request *req)
1690 : {
1691 2 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1692 2 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
1693 :
1694 2 : SPDK_DEBUGLOG(nvmf, "Get Features - Temperature Threshold (cdw11 = 0x%0x)\n", cmd->cdw11);
1695 :
1696 2 : if (!temp_threshold_opts_valid(&cmd->cdw11_bits.feat_temp_threshold)) {
1697 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
1698 1 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1699 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1700 : }
1701 :
1702 : /* TODO: no sensors implemented - return 0 for all thresholds */
1703 1 : rsp->cdw0 = 0;
1704 :
1705 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1706 : }
1707 :
1708 : static int
1709 0 : nvmf_ctrlr_get_features_interrupt_vector_configuration(struct spdk_nvmf_request *req)
1710 : {
1711 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1712 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1713 0 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
1714 0 : union spdk_nvme_feat_interrupt_vector_configuration iv_conf = {};
1715 :
1716 0 : SPDK_DEBUGLOG(nvmf, "Get Features - Interrupt Vector Configuration (cdw11 = 0x%0x)\n", cmd->cdw11);
1717 :
1718 0 : iv_conf.bits.iv = cmd->cdw11_bits.feat_interrupt_vector_configuration.bits.iv;
1719 0 : iv_conf.bits.cd = ctrlr->feat.interrupt_vector_configuration.bits.cd;
1720 0 : rsp->cdw0 = iv_conf.raw;
1721 :
1722 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1723 : }
1724 :
1725 : static int
1726 2 : nvmf_ctrlr_set_features_error_recovery(struct spdk_nvmf_request *req)
1727 : {
1728 2 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1729 2 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1730 2 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
1731 :
1732 2 : SPDK_DEBUGLOG(nvmf, "Set Features - Error Recovery (cdw11 = 0x%0x)\n", cmd->cdw11);
1733 :
1734 2 : if (cmd->cdw11_bits.feat_error_recovery.bits.dulbe) {
1735 : /*
1736 : * Host is not allowed to set this bit, since we don't advertise it in
1737 : * Identify Namespace.
1738 : */
1739 1 : SPDK_ERRLOG("Host set unsupported DULBE bit\n");
1740 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
1741 1 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1742 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1743 : }
1744 :
1745 1 : ctrlr->feat.error_recovery.raw = cmd->cdw11;
1746 1 : ctrlr->feat.error_recovery.bits.reserved = 0;
1747 :
1748 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1749 : }
1750 :
1751 : static int
1752 0 : nvmf_ctrlr_set_features_volatile_write_cache(struct spdk_nvmf_request *req)
1753 : {
1754 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1755 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1756 :
1757 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Volatile Write Cache (cdw11 = 0x%0x)\n", cmd->cdw11);
1758 :
1759 0 : ctrlr->feat.volatile_write_cache.raw = cmd->cdw11;
1760 0 : ctrlr->feat.volatile_write_cache.bits.reserved = 0;
1761 :
1762 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Volatile Write Cache %s\n",
1763 : ctrlr->feat.volatile_write_cache.bits.wce ? "Enabled" : "Disabled");
1764 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1765 : }
1766 :
1767 : static int
1768 0 : nvmf_ctrlr_set_features_write_atomicity(struct spdk_nvmf_request *req)
1769 : {
1770 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1771 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1772 :
1773 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Write Atomicity (cdw11 = 0x%0x)\n", cmd->cdw11);
1774 :
1775 0 : ctrlr->feat.write_atomicity.raw = cmd->cdw11;
1776 0 : ctrlr->feat.write_atomicity.bits.reserved = 0;
1777 :
1778 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1779 : }
1780 :
1781 : static int
1782 0 : nvmf_ctrlr_set_features_host_identifier(struct spdk_nvmf_request *req)
1783 : {
1784 0 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
1785 :
1786 0 : SPDK_ERRLOG("Set Features - Host Identifier not allowed\n");
1787 0 : response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
1788 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1789 : }
1790 :
1791 : static int
1792 0 : nvmf_ctrlr_get_features_host_identifier(struct spdk_nvmf_request *req)
1793 : {
1794 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1795 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1796 0 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
1797 0 : struct spdk_iov_xfer ix;
1798 :
1799 0 : SPDK_DEBUGLOG(nvmf, "Get Features - Host Identifier\n");
1800 :
1801 0 : if (!cmd->cdw11_bits.feat_host_identifier.bits.exhid) {
1802 : /* NVMe over Fabrics requires EXHID=1 (128-bit/16-byte host ID) */
1803 0 : SPDK_ERRLOG("Get Features - Host Identifier with EXHID=0 not allowed\n");
1804 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1805 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1806 : }
1807 :
1808 0 : if (req->iovcnt < 1 || req->length < sizeof(ctrlr->hostid)) {
1809 0 : SPDK_ERRLOG("Invalid data buffer for Get Features - Host Identifier\n");
1810 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1811 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1812 : }
1813 :
1814 0 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
1815 0 : spdk_iov_xfer_from_buf(&ix, &ctrlr->hostid, sizeof(ctrlr->hostid));
1816 :
1817 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1818 : }
1819 :
1820 : static int
1821 0 : nvmf_ctrlr_get_features_reservation_notification_mask(struct spdk_nvmf_request *req)
1822 : {
1823 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1824 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1825 0 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
1826 : struct spdk_nvmf_ns *ns;
1827 :
1828 0 : SPDK_DEBUGLOG(nvmf, "get Features - Reservation Notification Mask\n");
1829 :
1830 0 : if (cmd->nsid == SPDK_NVME_GLOBAL_NS_TAG) {
1831 0 : SPDK_ERRLOG("get Features - Invalid Namespace ID\n");
1832 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1833 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1834 : }
1835 :
1836 0 : ns = nvmf_ctrlr_get_ns(ctrlr, cmd->nsid);
1837 0 : if (ns == NULL) {
1838 0 : SPDK_ERRLOG("get Features - Invalid Namespace ID\n");
1839 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1840 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1841 : }
1842 0 : rsp->cdw0 = ns->mask;
1843 :
1844 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1845 : }
1846 :
1847 : static int
1848 0 : nvmf_ctrlr_set_features_reservation_notification_mask(struct spdk_nvmf_request *req)
1849 : {
1850 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1851 0 : struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys;
1852 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1853 0 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
1854 : struct spdk_nvmf_ns *ns;
1855 :
1856 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Reservation Notification Mask\n");
1857 :
1858 0 : if (cmd->nsid == SPDK_NVME_GLOBAL_NS_TAG) {
1859 0 : for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
1860 0 : ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
1861 0 : ns->mask = cmd->cdw11;
1862 : }
1863 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1864 : }
1865 :
1866 0 : ns = nvmf_ctrlr_get_ns(ctrlr, cmd->nsid);
1867 0 : if (ns == NULL) {
1868 0 : SPDK_ERRLOG("Set Features - Invalid Namespace ID\n");
1869 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1870 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1871 : }
1872 0 : ns->mask = cmd->cdw11;
1873 :
1874 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1875 : }
1876 :
1877 : static int
1878 1 : nvmf_ctrlr_get_features_reservation_persistence(struct spdk_nvmf_request *req)
1879 : {
1880 1 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1881 1 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1882 1 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
1883 : struct spdk_nvmf_ns *ns;
1884 :
1885 1 : SPDK_DEBUGLOG(nvmf, "Get Features - Reservation Persistence\n");
1886 :
1887 1 : ns = nvmf_ctrlr_get_ns(ctrlr, cmd->nsid);
1888 : /* NSID with SPDK_NVME_GLOBAL_NS_TAG (=0xffffffff) also included */
1889 1 : if (ns == NULL) {
1890 0 : SPDK_ERRLOG("Get Features - Invalid Namespace ID\n");
1891 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
1892 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1893 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1894 : }
1895 :
1896 1 : response->cdw0 = ns->ptpl_activated;
1897 :
1898 1 : response->status.sct = SPDK_NVME_SCT_GENERIC;
1899 1 : response->status.sc = SPDK_NVME_SC_SUCCESS;
1900 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1901 : }
1902 :
1903 : static int
1904 1 : nvmf_ctrlr_set_features_reservation_persistence(struct spdk_nvmf_request *req)
1905 : {
1906 1 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1907 1 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
1908 1 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
1909 : struct spdk_nvmf_ns *ns;
1910 : bool ptpl;
1911 :
1912 1 : SPDK_DEBUGLOG(nvmf, "Set Features - Reservation Persistence\n");
1913 :
1914 1 : ns = nvmf_ctrlr_get_ns(ctrlr, cmd->nsid);
1915 1 : ptpl = cmd->cdw11_bits.feat_rsv_persistence.bits.ptpl;
1916 :
1917 1 : if (cmd->nsid != SPDK_NVME_GLOBAL_NS_TAG && ns && nvmf_ns_is_ptpl_capable(ns)) {
1918 1 : ns->ptpl_activated = ptpl;
1919 0 : } else if (cmd->nsid == SPDK_NVME_GLOBAL_NS_TAG) {
1920 0 : for (ns = spdk_nvmf_subsystem_get_first_ns(ctrlr->subsys); ns;
1921 0 : ns = spdk_nvmf_subsystem_get_next_ns(ctrlr->subsys, ns)) {
1922 0 : if (nvmf_ns_is_ptpl_capable(ns)) {
1923 0 : ns->ptpl_activated = ptpl;
1924 : }
1925 : }
1926 : } else {
1927 0 : SPDK_ERRLOG("Set Features - Invalid Namespace ID or Reservation Configuration\n");
1928 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
1929 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1930 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1931 : }
1932 :
1933 : /* TODO: Feature not changeable for now */
1934 1 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
1935 1 : response->status.sc = SPDK_NVME_SC_FEATURE_ID_NOT_SAVEABLE;
1936 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1937 : }
1938 :
1939 : static int
1940 3 : nvmf_ctrlr_get_features_host_behavior_support(struct spdk_nvmf_request *req)
1941 : {
1942 3 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1943 3 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
1944 3 : struct spdk_nvme_host_behavior host_behavior = {};
1945 3 : struct spdk_iov_xfer ix;
1946 :
1947 3 : SPDK_DEBUGLOG(nvmf, "Get Features - Host Behavior Support\n");
1948 :
1949 3 : if (req->iovcnt < 1 || req->length < sizeof(struct spdk_nvme_host_behavior)) {
1950 2 : SPDK_ERRLOG("invalid data buffer for Host Behavior Support\n");
1951 2 : response->status.sct = SPDK_NVME_SCT_GENERIC;
1952 2 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1953 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1954 : }
1955 :
1956 1 : host_behavior.acre = ctrlr->acre_enabled;
1957 1 : host_behavior.lbafee = ctrlr->lbafee_enabled;
1958 :
1959 1 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
1960 1 : spdk_iov_xfer_from_buf(&ix, &host_behavior, sizeof(host_behavior));
1961 :
1962 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1963 : }
1964 :
1965 : static int
1966 6 : nvmf_ctrlr_set_features_host_behavior_support(struct spdk_nvmf_request *req)
1967 : {
1968 6 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
1969 6 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
1970 : struct spdk_nvme_host_behavior *host_behavior;
1971 :
1972 6 : SPDK_DEBUGLOG(nvmf, "Set Features - Host Behavior Support\n");
1973 6 : if (req->iovcnt != 1) {
1974 1 : SPDK_ERRLOG("Host Behavior Support invalid iovcnt: %d\n", req->iovcnt);
1975 1 : response->status.sct = SPDK_NVME_SCT_GENERIC;
1976 1 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1977 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1978 : }
1979 5 : if (req->iov[0].iov_len != sizeof(struct spdk_nvme_host_behavior)) {
1980 1 : SPDK_ERRLOG("Host Behavior Support invalid iov_len: %zd\n", req->iov[0].iov_len);
1981 1 : response->status.sct = SPDK_NVME_SCT_GENERIC;
1982 1 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1983 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1984 : }
1985 :
1986 4 : host_behavior = (struct spdk_nvme_host_behavior *)req->iov[0].iov_base;
1987 4 : if (host_behavior->acre == 0) {
1988 1 : ctrlr->acre_enabled = false;
1989 3 : } else if (host_behavior->acre == 1) {
1990 1 : ctrlr->acre_enabled = true;
1991 : } else {
1992 2 : SPDK_ERRLOG("Host Behavior Support invalid acre: 0x%02x\n", host_behavior->acre);
1993 2 : response->status.sct = SPDK_NVME_SCT_GENERIC;
1994 2 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
1995 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
1996 : }
1997 2 : if (host_behavior->lbafee == 0) {
1998 1 : ctrlr->lbafee_enabled = false;
1999 1 : } else if (host_behavior->lbafee == 1) {
2000 1 : ctrlr->lbafee_enabled = true;
2001 : } else {
2002 0 : SPDK_ERRLOG("Host Behavior Support invalid lbafee: 0x%02x\n", host_behavior->lbafee);
2003 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
2004 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
2005 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2006 : }
2007 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2008 : }
2009 :
2010 : static int
2011 0 : nvmf_ctrlr_set_features_keep_alive_timer(struct spdk_nvmf_request *req)
2012 : {
2013 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
2014 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
2015 0 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
2016 :
2017 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Keep Alive Timer (%u ms)\n", cmd->cdw11);
2018 :
2019 : /*
2020 : * if attempts to disable keep alive by setting kato to 0h
2021 : * a status value of keep alive invalid shall be returned
2022 : */
2023 0 : if (cmd->cdw11_bits.feat_keep_alive_timer.bits.kato == 0) {
2024 0 : rsp->status.sc = SPDK_NVME_SC_KEEP_ALIVE_INVALID;
2025 0 : } else if (cmd->cdw11_bits.feat_keep_alive_timer.bits.kato < MIN_KEEP_ALIVE_TIMEOUT_IN_MS) {
2026 0 : ctrlr->feat.keep_alive_timer.bits.kato = MIN_KEEP_ALIVE_TIMEOUT_IN_MS;
2027 : } else {
2028 : /* round up to milliseconds */
2029 0 : ctrlr->feat.keep_alive_timer.bits.kato = spdk_divide_round_up(
2030 0 : cmd->cdw11_bits.feat_keep_alive_timer.bits.kato,
2031 : KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS) *
2032 : KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS;
2033 : }
2034 :
2035 : /*
2036 : * if change the keep alive timeout value successfully
2037 : * update the keep alive poller.
2038 : */
2039 0 : if (cmd->cdw11_bits.feat_keep_alive_timer.bits.kato != 0) {
2040 0 : if (ctrlr->keep_alive_poller != NULL) {
2041 0 : spdk_poller_unregister(&ctrlr->keep_alive_poller);
2042 : }
2043 0 : ctrlr->keep_alive_poller = SPDK_POLLER_REGISTER(nvmf_ctrlr_keep_alive_poll, ctrlr,
2044 : ctrlr->feat.keep_alive_timer.bits.kato * 1000);
2045 : }
2046 :
2047 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Keep Alive Timer set to %u ms\n",
2048 : ctrlr->feat.keep_alive_timer.bits.kato);
2049 :
2050 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2051 : }
2052 :
2053 : static int
2054 0 : nvmf_ctrlr_set_features_number_of_queues(struct spdk_nvmf_request *req)
2055 : {
2056 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
2057 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
2058 0 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
2059 : uint32_t count;
2060 :
2061 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Number of Queues, cdw11 0x%x\n",
2062 : req->cmd->nvme_cmd.cdw11);
2063 :
2064 0 : if (cmd->cdw11_bits.feat_num_of_queues.bits.ncqr == UINT16_MAX ||
2065 0 : cmd->cdw11_bits.feat_num_of_queues.bits.nsqr == UINT16_MAX) {
2066 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
2067 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2068 : }
2069 :
2070 0 : count = spdk_bit_array_count_set(ctrlr->qpair_mask);
2071 : /* verify that the controller is ready to process commands */
2072 0 : if (count > 1) {
2073 0 : SPDK_DEBUGLOG(nvmf, "Queue pairs already active!\n");
2074 0 : rsp->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
2075 : } else {
2076 : /*
2077 : * Ignore the value requested by the host -
2078 : * always return the pre-configured value based on max_qpairs_allowed.
2079 : */
2080 0 : rsp->cdw0 = ctrlr->feat.number_of_queues.raw;
2081 : }
2082 :
2083 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2084 : }
2085 :
2086 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvmf_ctrlr) == 4928,
2087 : "Please check migration fields that need to be added or not");
2088 :
2089 : static void
2090 0 : nvmf_ctrlr_migr_data_copy(struct spdk_nvmf_ctrlr_migr_data *data,
2091 : const struct spdk_nvmf_ctrlr_migr_data *data_src, size_t data_size)
2092 : {
2093 0 : assert(data);
2094 0 : assert(data_src);
2095 0 : assert(data_size);
2096 :
2097 0 : memcpy(&data->regs, &data_src->regs, spdk_min(data->regs_size, data_src->regs_size));
2098 0 : memcpy(&data->feat, &data_src->feat, spdk_min(data->feat_size, data_src->feat_size));
2099 :
2100 : #define SET_FIELD(field) \
2101 : if (offsetof(struct spdk_nvmf_ctrlr_migr_data, field) + sizeof(data->field) <= data_size) { \
2102 : data->field = data_src->field; \
2103 : } \
2104 :
2105 0 : SET_FIELD(cntlid);
2106 0 : SET_FIELD(acre);
2107 0 : SET_FIELD(num_aer_cids);
2108 0 : SET_FIELD(num_async_events);
2109 0 : SET_FIELD(notice_aen_mask);
2110 : #undef SET_FIELD
2111 :
2112 : #define SET_ARRAY(arr) \
2113 : if (offsetof(struct spdk_nvmf_ctrlr_migr_data, arr) + sizeof(data->arr) <= data_size) { \
2114 : memcpy(&data->arr, &data_src->arr, sizeof(data->arr)); \
2115 : } \
2116 :
2117 0 : SET_ARRAY(async_events);
2118 0 : SET_ARRAY(aer_cids);
2119 : #undef SET_ARRAY
2120 0 : }
2121 :
2122 : int
2123 0 : spdk_nvmf_ctrlr_save_migr_data(struct spdk_nvmf_ctrlr *ctrlr,
2124 : struct spdk_nvmf_ctrlr_migr_data *data)
2125 : {
2126 : struct spdk_nvmf_async_event_completion *event, *event_tmp;
2127 : uint32_t i;
2128 0 : struct spdk_nvmf_ctrlr_migr_data data_local = {
2129 : .data_size = offsetof(struct spdk_nvmf_ctrlr_migr_data, unused),
2130 : .regs_size = sizeof(struct spdk_nvmf_registers),
2131 : .feat_size = sizeof(struct spdk_nvmf_ctrlr_feat)
2132 : };
2133 :
2134 0 : assert(data->data_size <= sizeof(data_local));
2135 0 : assert(spdk_get_thread() == ctrlr->thread);
2136 :
2137 0 : memcpy(&data_local.regs, &ctrlr->vcprop, sizeof(struct spdk_nvmf_registers));
2138 0 : memcpy(&data_local.feat, &ctrlr->feat, sizeof(struct spdk_nvmf_ctrlr_feat));
2139 :
2140 0 : data_local.cntlid = ctrlr->cntlid;
2141 0 : data_local.acre = ctrlr->acre_enabled;
2142 0 : data_local.num_aer_cids = ctrlr->nr_aer_reqs;
2143 :
2144 0 : STAILQ_FOREACH_SAFE(event, &ctrlr->async_events, link, event_tmp) {
2145 0 : if (data_local.num_async_events + 1 > SPDK_NVMF_MIGR_MAX_PENDING_AERS) {
2146 0 : SPDK_ERRLOG("ctrlr %p has too many pending AERs\n", ctrlr);
2147 0 : break;
2148 : }
2149 :
2150 0 : data_local.async_events[data_local.num_async_events++].raw = event->event.raw;
2151 : }
2152 :
2153 0 : for (i = 0; i < ctrlr->nr_aer_reqs; i++) {
2154 0 : struct spdk_nvmf_request *req = ctrlr->aer_req[i];
2155 0 : data_local.aer_cids[i] = req->cmd->nvme_cmd.cid;
2156 : }
2157 0 : data_local.notice_aen_mask = ctrlr->notice_aen_mask;
2158 :
2159 0 : nvmf_ctrlr_migr_data_copy(data, &data_local, spdk_min(data->data_size, data_local.data_size));
2160 0 : return 0;
2161 : }
2162 :
2163 : int
2164 0 : spdk_nvmf_ctrlr_restore_migr_data(struct spdk_nvmf_ctrlr *ctrlr,
2165 : const struct spdk_nvmf_ctrlr_migr_data *data)
2166 : {
2167 : uint32_t i;
2168 0 : struct spdk_nvmf_ctrlr_migr_data data_local = {
2169 : .data_size = offsetof(struct spdk_nvmf_ctrlr_migr_data, unused),
2170 : .regs_size = sizeof(struct spdk_nvmf_registers),
2171 : .feat_size = sizeof(struct spdk_nvmf_ctrlr_feat)
2172 : };
2173 :
2174 0 : assert(data->data_size <= sizeof(data_local));
2175 0 : assert(spdk_get_thread() == ctrlr->thread);
2176 :
2177 : /* local version of data should have defaults set before copy */
2178 0 : nvmf_ctrlr_migr_data_copy(&data_local, data, spdk_min(data->data_size, data_local.data_size));
2179 0 : memcpy(&ctrlr->vcprop, &data_local.regs, sizeof(struct spdk_nvmf_registers));
2180 0 : memcpy(&ctrlr->feat, &data_local.feat, sizeof(struct spdk_nvmf_ctrlr_feat));
2181 :
2182 0 : ctrlr->cntlid = data_local.cntlid;
2183 0 : ctrlr->acre_enabled = data_local.acre;
2184 :
2185 0 : for (i = 0; i < data_local.num_async_events; i++) {
2186 : struct spdk_nvmf_async_event_completion *event;
2187 :
2188 0 : event = calloc(1, sizeof(*event));
2189 0 : if (!event) {
2190 0 : return -ENOMEM;
2191 : }
2192 :
2193 0 : event->event.raw = data_local.async_events[i].raw;
2194 0 : STAILQ_INSERT_TAIL(&ctrlr->async_events, event, link);
2195 : }
2196 0 : ctrlr->notice_aen_mask = data_local.notice_aen_mask;
2197 :
2198 0 : return 0;
2199 : }
2200 :
2201 : static int
2202 0 : nvmf_ctrlr_set_features_async_event_configuration(struct spdk_nvmf_request *req)
2203 : {
2204 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
2205 0 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
2206 :
2207 0 : SPDK_DEBUGLOG(nvmf, "Set Features - Async Event Configuration, cdw11 0x%08x\n",
2208 : cmd->cdw11);
2209 0 : ctrlr->feat.async_event_configuration.raw = cmd->cdw11;
2210 0 : ctrlr->feat.async_event_configuration.bits.reserved1 = 0;
2211 0 : ctrlr->feat.async_event_configuration.bits.reserved2 = 0;
2212 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2213 : }
2214 :
2215 : static int
2216 10 : nvmf_ctrlr_async_event_request(struct spdk_nvmf_request *req)
2217 : {
2218 10 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
2219 10 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
2220 : struct spdk_nvmf_async_event_completion *pending_event;
2221 :
2222 10 : SPDK_DEBUGLOG(nvmf, "Async Event Request\n");
2223 :
2224 : /* Four asynchronous events are supported for now */
2225 10 : if (ctrlr->nr_aer_reqs >= SPDK_NVMF_MAX_ASYNC_EVENTS) {
2226 1 : SPDK_DEBUGLOG(nvmf, "AERL exceeded\n");
2227 1 : rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
2228 1 : rsp->status.sc = SPDK_NVME_SC_ASYNC_EVENT_REQUEST_LIMIT_EXCEEDED;
2229 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2230 : }
2231 :
2232 9 : if (!STAILQ_EMPTY(&ctrlr->async_events)) {
2233 4 : pending_event = STAILQ_FIRST(&ctrlr->async_events);
2234 4 : rsp->cdw0 = pending_event->event.raw;
2235 4 : STAILQ_REMOVE(&ctrlr->async_events, pending_event, spdk_nvmf_async_event_completion, link);
2236 4 : free(pending_event);
2237 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2238 : }
2239 :
2240 5 : ctrlr->aer_req[ctrlr->nr_aer_reqs++] = req;
2241 5 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
2242 : }
2243 :
2244 : static void
2245 0 : nvmf_get_firmware_slot_log_page(struct iovec *iovs, int iovcnt, uint64_t offset, uint32_t length)
2246 : {
2247 0 : struct spdk_nvme_firmware_page fw_page;
2248 : size_t copy_len;
2249 0 : struct spdk_iov_xfer ix;
2250 :
2251 0 : spdk_iov_xfer_init(&ix, iovs, iovcnt);
2252 :
2253 0 : memset(&fw_page, 0, sizeof(fw_page));
2254 0 : fw_page.afi.active_slot = 1;
2255 0 : fw_page.afi.next_reset_slot = 0;
2256 0 : spdk_strcpy_pad(fw_page.revision[0], FW_VERSION, sizeof(fw_page.revision[0]), ' ');
2257 :
2258 0 : if (offset < sizeof(fw_page)) {
2259 0 : copy_len = spdk_min(sizeof(fw_page) - offset, length);
2260 0 : if (copy_len > 0) {
2261 0 : spdk_iov_xfer_from_buf(&ix, (const char *)&fw_page + offset, copy_len);
2262 : }
2263 : }
2264 0 : }
2265 :
2266 : /*
2267 : * Asynchronous Event Mask Bit
2268 : */
2269 : enum spdk_nvme_async_event_mask_bit {
2270 : /* Mask Namespace Change Notification */
2271 : SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGE_MASK_BIT = 0,
2272 : /* Mask Asymmetric Namespace Access Change Notification */
2273 : SPDK_NVME_ASYNC_EVENT_ANA_CHANGE_MASK_BIT = 1,
2274 : /* Mask Discovery Log Change Notification */
2275 : SPDK_NVME_ASYNC_EVENT_DISCOVERY_LOG_CHANGE_MASK_BIT = 2,
2276 : /* Mask Reservation Log Page Available Notification */
2277 : SPDK_NVME_ASYNC_EVENT_RESERVATION_LOG_AVAIL_MASK_BIT = 3,
2278 : /* Mask Error Event */
2279 : SPDK_NVME_ASYNC_EVENT_ERROR_MASK_BIT = 4,
2280 : /* 4 - 63 Reserved */
2281 : };
2282 :
2283 : static inline void
2284 37 : nvmf_ctrlr_unmask_aen(struct spdk_nvmf_ctrlr *ctrlr,
2285 : enum spdk_nvme_async_event_mask_bit mask)
2286 : {
2287 37 : ctrlr->notice_aen_mask &= ~(1 << mask);
2288 37 : }
2289 :
2290 : static inline bool
2291 11 : nvmf_ctrlr_mask_aen(struct spdk_nvmf_ctrlr *ctrlr,
2292 : enum spdk_nvme_async_event_mask_bit mask)
2293 : {
2294 11 : if (ctrlr->notice_aen_mask & (1 << mask)) {
2295 5 : return false;
2296 : } else {
2297 6 : ctrlr->notice_aen_mask |= (1 << mask);
2298 6 : return true;
2299 : }
2300 : }
2301 :
2302 : /* we have to use the typedef in the function declaration to appease astyle. */
2303 : typedef enum spdk_nvme_ana_state spdk_nvme_ana_state_t;
2304 :
2305 : static inline spdk_nvme_ana_state_t
2306 51 : nvmf_ctrlr_get_ana_state(struct spdk_nvmf_ctrlr *ctrlr, uint32_t anagrpid)
2307 : {
2308 51 : if (!ctrlr->subsys->flags.ana_reporting) {
2309 51 : return SPDK_NVME_ANA_OPTIMIZED_STATE;
2310 : }
2311 :
2312 0 : if (spdk_unlikely(ctrlr->listener == NULL)) {
2313 0 : return SPDK_NVME_ANA_INACCESSIBLE_STATE;
2314 : }
2315 :
2316 0 : assert(anagrpid - 1 < ctrlr->subsys->max_nsid);
2317 0 : return ctrlr->listener->ana_state[anagrpid - 1];
2318 : }
2319 :
2320 : static spdk_nvme_ana_state_t
2321 8 : nvmf_ctrlr_get_ana_state_from_nsid(struct spdk_nvmf_ctrlr *ctrlr, uint32_t nsid)
2322 : {
2323 : struct spdk_nvmf_ns *ns;
2324 :
2325 : /* We do not have NVM subsystem specific ANA state. Hence if NSID is either
2326 : * SPDK_NVMF_GLOBAL_NS_TAG, invalid, or for inactive namespace, return
2327 : * the optimized state.
2328 : */
2329 8 : ns = nvmf_ctrlr_get_ns(ctrlr, nsid);
2330 8 : if (ns == NULL) {
2331 0 : return SPDK_NVME_ANA_OPTIMIZED_STATE;
2332 : }
2333 :
2334 8 : return nvmf_ctrlr_get_ana_state(ctrlr, ns->anagrpid);
2335 : }
2336 :
2337 : static void
2338 1 : nvmf_get_error_log_page(struct spdk_nvmf_ctrlr *ctrlr, struct iovec *iovs, int iovcnt,
2339 : uint64_t offset, uint32_t length, uint32_t rae)
2340 : {
2341 1 : if (!rae) {
2342 1 : nvmf_ctrlr_unmask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_ERROR_MASK_BIT);
2343 : }
2344 :
2345 : /* TODO: actually fill out log page data */
2346 1 : }
2347 :
2348 : static void
2349 34 : nvmf_get_ana_log_page(struct spdk_nvmf_ctrlr *ctrlr, struct iovec *iovs, int iovcnt,
2350 : uint64_t offset, uint32_t length, uint32_t rae, uint32_t rgo)
2351 : {
2352 34 : struct spdk_nvme_ana_page ana_hdr;
2353 34 : struct spdk_nvme_ana_group_descriptor ana_desc;
2354 : size_t copy_len, copied_len;
2355 34 : uint32_t num_anagrp = 0, anagrpid;
2356 : struct spdk_nvmf_ns *ns;
2357 34 : struct spdk_iov_xfer ix;
2358 :
2359 34 : spdk_iov_xfer_init(&ix, iovs, iovcnt);
2360 :
2361 34 : if (length == 0) {
2362 0 : goto done;
2363 : }
2364 :
2365 34 : if (offset >= sizeof(ana_hdr)) {
2366 26 : offset -= sizeof(ana_hdr);
2367 : } else {
2368 40 : for (anagrpid = 1; anagrpid <= ctrlr->subsys->max_nsid; anagrpid++) {
2369 32 : if (ctrlr->subsys->ana_group[anagrpid - 1] > 0) {
2370 20 : num_anagrp++;
2371 : }
2372 : }
2373 :
2374 8 : memset(&ana_hdr, 0, sizeof(ana_hdr));
2375 :
2376 8 : ana_hdr.num_ana_group_desc = num_anagrp;
2377 : /* TODO: Support Change Count. */
2378 8 : ana_hdr.change_count = 0;
2379 :
2380 8 : copy_len = spdk_min(sizeof(ana_hdr) - offset, length);
2381 8 : copied_len = spdk_iov_xfer_from_buf(&ix, (const char *)&ana_hdr + offset, copy_len);
2382 8 : assert(copied_len == copy_len);
2383 8 : length -= copied_len;
2384 8 : offset = 0;
2385 : }
2386 :
2387 34 : if (length == 0) {
2388 4 : goto done;
2389 : }
2390 :
2391 85 : for (anagrpid = 1; anagrpid <= ctrlr->subsys->max_nsid; anagrpid++) {
2392 80 : if (ctrlr->subsys->ana_group[anagrpid - 1] == 0) {
2393 20 : continue;
2394 : }
2395 :
2396 60 : if (offset >= sizeof(ana_desc)) {
2397 27 : offset -= sizeof(ana_desc);
2398 : } else {
2399 33 : memset(&ana_desc, 0, sizeof(ana_desc));
2400 :
2401 33 : ana_desc.ana_group_id = anagrpid;
2402 33 : if (rgo) {
2403 15 : ana_desc.num_of_nsid = 0;
2404 : } else {
2405 18 : ana_desc.num_of_nsid = ctrlr->subsys->ana_group[anagrpid - 1];
2406 : }
2407 33 : ana_desc.ana_state = nvmf_ctrlr_get_ana_state(ctrlr, anagrpid);
2408 :
2409 33 : copy_len = spdk_min(sizeof(ana_desc) - offset, length);
2410 33 : copied_len = spdk_iov_xfer_from_buf(&ix, (const char *)&ana_desc + offset,
2411 : copy_len);
2412 33 : assert(copied_len == copy_len);
2413 33 : length -= copied_len;
2414 33 : offset = 0;
2415 :
2416 33 : if (length == 0) {
2417 20 : goto done;
2418 : }
2419 : }
2420 :
2421 40 : if (rgo) {
2422 20 : continue;
2423 : }
2424 :
2425 : /* TODO: Revisit here about O(n^2) cost if we have subsystem with
2426 : * many namespaces in the future.
2427 : */
2428 86 : for (ns = spdk_nvmf_subsystem_get_first_ns(ctrlr->subsys); ns != NULL;
2429 66 : ns = spdk_nvmf_subsystem_get_next_ns(ctrlr->subsys, ns)) {
2430 71 : if (ns->anagrpid != anagrpid) {
2431 39 : continue;
2432 : }
2433 :
2434 32 : if (offset >= sizeof(uint32_t)) {
2435 16 : offset -= sizeof(uint32_t);
2436 16 : continue;
2437 : }
2438 :
2439 16 : copy_len = spdk_min(sizeof(uint32_t) - offset, length);
2440 16 : copied_len = spdk_iov_xfer_from_buf(&ix, (const char *)&ns->nsid + offset,
2441 : copy_len);
2442 16 : assert(copied_len == copy_len);
2443 16 : length -= copied_len;
2444 16 : offset = 0;
2445 :
2446 16 : if (length == 0) {
2447 5 : goto done;
2448 : }
2449 : }
2450 : }
2451 :
2452 34 : done:
2453 34 : if (!rae) {
2454 34 : nvmf_ctrlr_unmask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_ANA_CHANGE_MASK_BIT);
2455 : }
2456 34 : }
2457 :
2458 : void
2459 0 : nvmf_ctrlr_ns_changed(struct spdk_nvmf_ctrlr *ctrlr, uint32_t nsid)
2460 : {
2461 0 : uint16_t max_changes = SPDK_COUNTOF(ctrlr->changed_ns_list.ns_list);
2462 : uint16_t i;
2463 0 : bool found = false;
2464 :
2465 0 : for (i = 0; i < ctrlr->changed_ns_list_count; i++) {
2466 0 : if (ctrlr->changed_ns_list.ns_list[i] == nsid) {
2467 : /* nsid is already in the list */
2468 0 : found = true;
2469 0 : break;
2470 : }
2471 : }
2472 :
2473 0 : if (!found) {
2474 0 : if (ctrlr->changed_ns_list_count == max_changes) {
2475 : /* Out of space - set first entry to FFFFFFFFh and zero-fill the rest. */
2476 0 : ctrlr->changed_ns_list.ns_list[0] = 0xFFFFFFFFu;
2477 0 : for (i = 1; i < max_changes; i++) {
2478 0 : ctrlr->changed_ns_list.ns_list[i] = 0;
2479 : }
2480 : } else {
2481 0 : ctrlr->changed_ns_list.ns_list[ctrlr->changed_ns_list_count++] = nsid;
2482 : }
2483 : }
2484 0 : }
2485 :
2486 : static void
2487 2 : nvmf_get_changed_ns_list_log_page(struct spdk_nvmf_ctrlr *ctrlr,
2488 : struct iovec *iovs, int iovcnt, uint64_t offset, uint32_t length, uint32_t rae)
2489 : {
2490 : size_t copy_length;
2491 2 : struct spdk_iov_xfer ix;
2492 :
2493 2 : spdk_iov_xfer_init(&ix, iovs, iovcnt);
2494 :
2495 2 : if (offset < sizeof(ctrlr->changed_ns_list)) {
2496 2 : copy_length = spdk_min(length, sizeof(ctrlr->changed_ns_list) - offset);
2497 2 : if (copy_length) {
2498 2 : spdk_iov_xfer_from_buf(&ix, (char *)&ctrlr->changed_ns_list + offset, copy_length);
2499 : }
2500 : }
2501 :
2502 : /* Clear log page each time it is read */
2503 2 : ctrlr->changed_ns_list_count = 0;
2504 2 : memset(&ctrlr->changed_ns_list, 0, sizeof(ctrlr->changed_ns_list));
2505 :
2506 2 : if (!rae) {
2507 1 : nvmf_ctrlr_unmask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGE_MASK_BIT);
2508 : }
2509 2 : }
2510 :
2511 : /* The structure can be modified if we provide support for other commands in future */
2512 : static const struct spdk_nvme_cmds_and_effect_log_page g_cmds_and_effect_log_page = {
2513 : .admin_cmds_supported = {
2514 : /* CSUPP, LBCC, NCC, NIC, CCC, CSE */
2515 : /* Get Log Page */
2516 : [SPDK_NVME_OPC_GET_LOG_PAGE] = {1, 0, 0, 0, 0, 0, 0, 0},
2517 : /* Identify */
2518 : [SPDK_NVME_OPC_IDENTIFY] = {1, 0, 0, 0, 0, 0, 0, 0},
2519 : /* Abort */
2520 : [SPDK_NVME_OPC_ABORT] = {1, 0, 0, 0, 0, 0, 0, 0},
2521 : /* Set Features */
2522 : [SPDK_NVME_OPC_SET_FEATURES] = {1, 0, 0, 0, 0, 0, 0, 0},
2523 : /* Get Features */
2524 : [SPDK_NVME_OPC_GET_FEATURES] = {1, 0, 0, 0, 0, 0, 0, 0},
2525 : /* Async Event Request */
2526 : [SPDK_NVME_OPC_ASYNC_EVENT_REQUEST] = {1, 0, 0, 0, 0, 0, 0, 0},
2527 : /* Keep Alive */
2528 : [SPDK_NVME_OPC_KEEP_ALIVE] = {1, 0, 0, 0, 0, 0, 0, 0},
2529 : },
2530 : .io_cmds_supported = {
2531 : /* FLUSH */
2532 : [SPDK_NVME_OPC_FLUSH] = {1, 1, 0, 0, 0, 0, 0, 0},
2533 : /* WRITE */
2534 : [SPDK_NVME_OPC_WRITE] = {1, 1, 0, 0, 0, 0, 0, 0},
2535 : /* READ */
2536 : [SPDK_NVME_OPC_READ] = {1, 0, 0, 0, 0, 0, 0, 0},
2537 : /* WRITE ZEROES */
2538 : [SPDK_NVME_OPC_WRITE_ZEROES] = {1, 1, 0, 0, 0, 0, 0, 0},
2539 : /* DATASET MANAGEMENT */
2540 : [SPDK_NVME_OPC_DATASET_MANAGEMENT] = {1, 1, 0, 0, 0, 0, 0, 0},
2541 : /* COMPARE */
2542 : [SPDK_NVME_OPC_COMPARE] = {1, 0, 0, 0, 0, 0, 0, 0},
2543 : /* ZONE MANAGEMENT SEND */
2544 : [SPDK_NVME_OPC_ZONE_MGMT_SEND] = {1, 1, 0, 0, 0, 0, 0, 0},
2545 : /* ZONE MANAGEMENT RECEIVE */
2546 : [SPDK_NVME_OPC_ZONE_MGMT_RECV] = {1, 0, 0, 0, 0, 0, 0, 0},
2547 : /* ZONE APPEND */
2548 : [SPDK_NVME_OPC_ZONE_APPEND] = {1, 1, 0, 0, 0, 0, 0, 0},
2549 : /* COPY */
2550 : [SPDK_NVME_OPC_COPY] = {1, 1, 0, 0, 0, 0, 0, 0},
2551 : },
2552 : };
2553 :
2554 : static void
2555 0 : nvmf_get_cmds_and_effects_log_page(struct spdk_nvmf_ctrlr *ctrlr, struct iovec *iovs, int iovcnt,
2556 : uint64_t offset, uint32_t length)
2557 : {
2558 0 : uint32_t page_size = sizeof(struct spdk_nvme_cmds_and_effect_log_page);
2559 0 : size_t copy_len = 0;
2560 0 : struct spdk_nvme_cmds_and_effect_log_page cmds_and_effect_log_page = g_cmds_and_effect_log_page;
2561 0 : struct spdk_nvme_cmds_and_effect_entry zero = {};
2562 0 : struct spdk_iov_xfer ix;
2563 :
2564 0 : if (!ctrlr->cdata.oncs.write_zeroes || !nvmf_ctrlr_write_zeroes_supported(ctrlr)) {
2565 0 : cmds_and_effect_log_page.io_cmds_supported[SPDK_NVME_OPC_WRITE_ZEROES] = zero;
2566 : }
2567 0 : if (!ctrlr->cdata.oncs.dsm || !nvmf_ctrlr_dsm_supported(ctrlr)) {
2568 0 : cmds_and_effect_log_page.io_cmds_supported[SPDK_NVME_OPC_DATASET_MANAGEMENT] = zero;
2569 : }
2570 0 : if (!ctrlr->cdata.oncs.compare) {
2571 0 : cmds_and_effect_log_page.io_cmds_supported[SPDK_NVME_OPC_COMPARE] = zero;
2572 : }
2573 0 : if (!nvmf_subsystem_has_zns_iocs(ctrlr->subsys)) {
2574 0 : cmds_and_effect_log_page.io_cmds_supported[SPDK_NVME_OPC_ZONE_MGMT_SEND] = zero;
2575 0 : cmds_and_effect_log_page.io_cmds_supported[SPDK_NVME_OPC_ZONE_MGMT_RECV] = zero;
2576 : }
2577 0 : if (!nvmf_subsystem_zone_append_supported(ctrlr->subsys)) {
2578 0 : cmds_and_effect_log_page.io_cmds_supported[SPDK_NVME_OPC_ZONE_APPEND] = zero;
2579 : }
2580 0 : if (!ctrlr->cdata.oncs.copy) {
2581 0 : cmds_and_effect_log_page.io_cmds_supported[SPDK_NVME_OPC_COPY] = zero;
2582 : }
2583 :
2584 0 : spdk_iov_xfer_init(&ix, iovs, iovcnt);
2585 0 : if (offset < page_size) {
2586 0 : copy_len = spdk_min(page_size - offset, length);
2587 0 : spdk_iov_xfer_from_buf(&ix, (char *)(&cmds_and_effect_log_page) + offset, copy_len);
2588 : }
2589 0 : }
2590 :
2591 : static void
2592 1 : nvmf_get_reservation_notification_log_page(struct spdk_nvmf_ctrlr *ctrlr,
2593 : struct iovec *iovs, int iovcnt, uint64_t offset, uint32_t length, uint32_t rae)
2594 : {
2595 : uint32_t unit_log_len, avail_log_len, next_pos, copy_len;
2596 : struct spdk_nvmf_reservation_log *log, *log_tmp;
2597 1 : struct spdk_iov_xfer ix;
2598 :
2599 1 : spdk_iov_xfer_init(&ix, iovs, iovcnt);
2600 :
2601 1 : unit_log_len = sizeof(struct spdk_nvme_reservation_notification_log);
2602 : /* No available log, return zeroed log pages */
2603 1 : if (!ctrlr->num_avail_log_pages) {
2604 0 : return;
2605 : }
2606 :
2607 1 : avail_log_len = ctrlr->num_avail_log_pages * unit_log_len;
2608 1 : if (offset >= avail_log_len) {
2609 0 : return;
2610 : }
2611 :
2612 1 : next_pos = 0;
2613 3 : TAILQ_FOREACH_SAFE(log, &ctrlr->log_head, link, log_tmp) {
2614 3 : TAILQ_REMOVE(&ctrlr->log_head, log, link);
2615 3 : ctrlr->num_avail_log_pages--;
2616 :
2617 3 : next_pos += unit_log_len;
2618 3 : if (next_pos > offset) {
2619 3 : copy_len = spdk_min(next_pos - offset, length);
2620 3 : spdk_iov_xfer_from_buf(&ix, &log->log, copy_len);
2621 3 : length -= copy_len;
2622 3 : offset += copy_len;
2623 : }
2624 3 : free(log);
2625 :
2626 3 : if (length == 0) {
2627 1 : break;
2628 : }
2629 : }
2630 :
2631 1 : if (!rae) {
2632 1 : nvmf_ctrlr_unmask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_RESERVATION_LOG_AVAIL_MASK_BIT);
2633 : }
2634 1 : return;
2635 : }
2636 :
2637 : static int
2638 6 : nvmf_ctrlr_get_log_page(struct spdk_nvmf_request *req)
2639 : {
2640 6 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
2641 6 : struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys;
2642 6 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
2643 6 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
2644 6 : struct spdk_nvme_transport_id cmd_source_trid;
2645 : uint64_t offset, len;
2646 : uint32_t rae, numdl, numdu;
2647 : uint8_t lid;
2648 :
2649 6 : if (req->iovcnt < 1) {
2650 1 : SPDK_DEBUGLOG(nvmf, "get log command with no buffer\n");
2651 1 : response->status.sct = SPDK_NVME_SCT_GENERIC;
2652 1 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
2653 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2654 : }
2655 :
2656 5 : offset = (uint64_t)cmd->cdw12 | ((uint64_t)cmd->cdw13 << 32);
2657 5 : if (offset & 3) {
2658 1 : SPDK_ERRLOG("Invalid log page offset 0x%" PRIx64 "\n", offset);
2659 1 : response->status.sct = SPDK_NVME_SCT_GENERIC;
2660 1 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
2661 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2662 : }
2663 :
2664 4 : rae = cmd->cdw10_bits.get_log_page.rae;
2665 4 : numdl = cmd->cdw10_bits.get_log_page.numdl;
2666 4 : numdu = cmd->cdw11_bits.get_log_page.numdu;
2667 4 : len = ((numdu << 16) + numdl + (uint64_t)1) * 4;
2668 4 : if (len > req->length) {
2669 0 : SPDK_ERRLOG("Get log page: len (%" PRIu64 ") > buf size (%u)\n",
2670 : len, req->length);
2671 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
2672 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
2673 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2674 : }
2675 :
2676 4 : lid = cmd->cdw10_bits.get_log_page.lid;
2677 4 : SPDK_DEBUGLOG(nvmf, "Get log page: LID=0x%02X offset=0x%" PRIx64 " len=0x%" PRIx64 " rae=%u\n",
2678 : lid, offset, len, rae);
2679 :
2680 4 : if (spdk_nvmf_subsystem_is_discovery(subsystem)) {
2681 0 : switch (lid) {
2682 0 : case SPDK_NVME_LOG_DISCOVERY:
2683 0 : if (spdk_nvmf_qpair_get_listen_trid(req->qpair, &cmd_source_trid)) {
2684 0 : SPDK_ERRLOG("Failed to get LOG_DISCOVERY source trid\n");
2685 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
2686 0 : response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
2687 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2688 : }
2689 0 : nvmf_get_discovery_log_page(subsystem->tgt, ctrlr->hostnqn, req->iov, req->iovcnt,
2690 : offset, len, &cmd_source_trid);
2691 0 : if (!rae) {
2692 0 : nvmf_ctrlr_unmask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_DISCOVERY_LOG_CHANGE_MASK_BIT);
2693 : }
2694 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2695 0 : default:
2696 0 : goto invalid_log_page;
2697 : }
2698 : } else {
2699 4 : if (offset > len) {
2700 0 : SPDK_ERRLOG("Get log page: offset (%" PRIu64 ") > len (%" PRIu64 ")\n",
2701 : offset, len);
2702 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
2703 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
2704 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2705 : }
2706 :
2707 4 : switch (lid) {
2708 1 : case SPDK_NVME_LOG_ERROR:
2709 1 : nvmf_get_error_log_page(ctrlr, req->iov, req->iovcnt, offset, len, rae);
2710 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2711 0 : case SPDK_NVME_LOG_HEALTH_INFORMATION:
2712 : /* TODO: actually fill out log page data */
2713 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2714 0 : case SPDK_NVME_LOG_FIRMWARE_SLOT:
2715 0 : nvmf_get_firmware_slot_log_page(req->iov, req->iovcnt, offset, len);
2716 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2717 0 : case SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS:
2718 0 : if (subsystem->flags.ana_reporting) {
2719 0 : uint32_t rgo = cmd->cdw10_bits.get_log_page.lsp & 1;
2720 0 : nvmf_get_ana_log_page(ctrlr, req->iov, req->iovcnt, offset, len, rae, rgo);
2721 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2722 : } else {
2723 0 : goto invalid_log_page;
2724 : }
2725 0 : case SPDK_NVME_LOG_COMMAND_EFFECTS_LOG:
2726 0 : nvmf_get_cmds_and_effects_log_page(ctrlr, req->iov, req->iovcnt, offset, len);
2727 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2728 2 : case SPDK_NVME_LOG_CHANGED_NS_LIST:
2729 2 : nvmf_get_changed_ns_list_log_page(ctrlr, req->iov, req->iovcnt, offset, len, rae);
2730 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2731 0 : case SPDK_NVME_LOG_RESERVATION_NOTIFICATION:
2732 0 : nvmf_get_reservation_notification_log_page(ctrlr, req->iov, req->iovcnt, offset, len, rae);
2733 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2734 1 : default:
2735 1 : goto invalid_log_page;
2736 : }
2737 : }
2738 :
2739 1 : invalid_log_page:
2740 1 : SPDK_INFOLOG(nvmf, "Unsupported Get Log Page 0x%02X\n", lid);
2741 1 : response->status.sct = SPDK_NVME_SCT_GENERIC;
2742 1 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
2743 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2744 : }
2745 :
2746 : static struct spdk_nvmf_ns *
2747 11 : _nvmf_ctrlr_get_ns_safe(struct spdk_nvmf_ctrlr *ctrlr,
2748 : uint32_t nsid,
2749 : struct spdk_nvme_cpl *rsp)
2750 : {
2751 : struct spdk_nvmf_ns *ns;
2752 11 : if (nsid == 0 || nsid > ctrlr->subsys->max_nsid) {
2753 5 : SPDK_ERRLOG("Identify Namespace for invalid NSID %u\n", nsid);
2754 5 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
2755 5 : rsp->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
2756 5 : return NULL;
2757 : }
2758 :
2759 6 : ns = nvmf_ctrlr_get_ns(ctrlr, nsid);
2760 6 : if (ns == NULL || ns->bdev == NULL) {
2761 : /*
2762 : * Inactive namespaces should return a zero filled data structure.
2763 : * The data buffer is already zeroed by nvmf_ctrlr_process_admin_cmd(),
2764 : * so we can just return early here.
2765 : */
2766 2 : SPDK_DEBUGLOG(nvmf, "Identify Namespace for inactive NSID %u\n", nsid);
2767 2 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
2768 2 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
2769 2 : return NULL;
2770 : }
2771 4 : return ns;
2772 : }
2773 :
2774 : static void
2775 7 : nvmf_ctrlr_identify_ns(struct spdk_nvmf_ctrlr *ctrlr,
2776 : struct spdk_nvme_cmd *cmd,
2777 : struct spdk_nvme_cpl *rsp,
2778 : struct spdk_nvme_ns_data *nsdata,
2779 : uint32_t nsid)
2780 : {
2781 7 : struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys;
2782 : struct spdk_nvmf_ns *ns;
2783 : uint32_t max_num_blocks, format_index;
2784 : enum spdk_nvme_ana_state ana_state;
2785 :
2786 7 : ns = _nvmf_ctrlr_get_ns_safe(ctrlr, nsid, rsp);
2787 7 : if (ns == NULL) {
2788 5 : return;
2789 : }
2790 :
2791 2 : nvmf_bdev_ctrlr_identify_ns(ns, nsdata, ctrlr->dif_insert_or_strip);
2792 :
2793 2 : assert(ctrlr->admin_qpair);
2794 :
2795 2 : format_index = spdk_nvme_ns_get_format_index(nsdata);
2796 :
2797 : /* Due to bug in the Linux kernel NVMe driver we have to set noiob no larger than mdts */
2798 2 : max_num_blocks = ctrlr->admin_qpair->transport->opts.max_io_size /
2799 2 : (1U << nsdata->lbaf[format_index].lbads);
2800 2 : if (nsdata->noiob > max_num_blocks) {
2801 0 : nsdata->noiob = max_num_blocks;
2802 : }
2803 :
2804 : /* Set NOWS equal to Controller MDTS */
2805 2 : if (nsdata->nsfeat.optperf) {
2806 0 : nsdata->nows = max_num_blocks - 1;
2807 : }
2808 :
2809 2 : if (subsystem->flags.ana_reporting) {
2810 0 : assert(ns->anagrpid - 1 < subsystem->max_nsid);
2811 0 : nsdata->anagrpid = ns->anagrpid;
2812 :
2813 0 : ana_state = nvmf_ctrlr_get_ana_state(ctrlr, ns->anagrpid);
2814 0 : if (ana_state == SPDK_NVME_ANA_INACCESSIBLE_STATE ||
2815 : ana_state == SPDK_NVME_ANA_PERSISTENT_LOSS_STATE) {
2816 0 : nsdata->nuse = 0;
2817 : }
2818 : }
2819 : }
2820 :
2821 : int
2822 7 : spdk_nvmf_ctrlr_identify_ns(struct spdk_nvmf_ctrlr *ctrlr,
2823 : struct spdk_nvme_cmd *cmd,
2824 : struct spdk_nvme_cpl *rsp,
2825 : struct spdk_nvme_ns_data *nsdata)
2826 : {
2827 7 : nvmf_ctrlr_identify_ns(ctrlr, cmd, rsp, nsdata, cmd->nsid);
2828 :
2829 7 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2830 : }
2831 :
2832 : static void
2833 0 : identify_ns_passthru_cb(struct spdk_nvmf_request *req)
2834 : {
2835 0 : struct spdk_nvme_cmd *cmd = spdk_nvmf_request_get_cmd(req);
2836 0 : struct spdk_nvmf_ctrlr *ctrlr = spdk_nvmf_request_get_ctrlr(req);
2837 0 : struct spdk_nvme_cpl *rsp = spdk_nvmf_request_get_response(req);
2838 0 : struct spdk_nvme_ns_data nvmf_nsdata = {};
2839 0 : struct spdk_nvme_ns_data nvme_nsdata = {};
2840 : size_t datalen;
2841 :
2842 : /* This is the identify data from the NVMe drive */
2843 0 : datalen = spdk_nvmf_request_copy_to_buf(req, &nvme_nsdata,
2844 : sizeof(nvme_nsdata));
2845 0 : nvmf_ctrlr_identify_ns(ctrlr, cmd, rsp, &nvmf_nsdata, req->orig_nsid);
2846 :
2847 : /* Update fabric's namespace according to SSD's namespace */
2848 0 : if (nvme_nsdata.nsfeat.optperf) {
2849 0 : nvmf_nsdata.nsfeat.optperf = nvme_nsdata.nsfeat.optperf;
2850 0 : nvmf_nsdata.npwg = nvme_nsdata.npwg;
2851 0 : nvmf_nsdata.npwa = nvme_nsdata.npwa;
2852 0 : nvmf_nsdata.npdg = nvme_nsdata.npdg;
2853 0 : nvmf_nsdata.npda = nvme_nsdata.npda;
2854 0 : nvmf_nsdata.nows = nvme_nsdata.nows;
2855 : }
2856 :
2857 0 : if (nvme_nsdata.nsfeat.ns_atomic_write_unit) {
2858 0 : nvmf_nsdata.nsfeat.ns_atomic_write_unit = nvme_nsdata.nsfeat.ns_atomic_write_unit;
2859 0 : nvmf_nsdata.nawun = nvme_nsdata.nawun;
2860 0 : nvmf_nsdata.nawupf = nvme_nsdata.nawupf;
2861 0 : nvmf_nsdata.nacwu = nvme_nsdata.nacwu;
2862 : }
2863 :
2864 0 : nvmf_nsdata.nabsn = nvme_nsdata.nabsn;
2865 0 : nvmf_nsdata.nabo = nvme_nsdata.nabo;
2866 0 : nvmf_nsdata.nabspf = nvme_nsdata.nabspf;
2867 :
2868 0 : spdk_nvmf_request_copy_from_buf(req, &nvmf_nsdata, datalen);
2869 0 : }
2870 :
2871 : int
2872 0 : spdk_nvmf_ctrlr_identify_ns_ext(struct spdk_nvmf_request *req)
2873 : {
2874 0 : struct spdk_nvme_cmd *cmd = spdk_nvmf_request_get_cmd(req);
2875 0 : struct spdk_nvmf_ctrlr *ctrlr = spdk_nvmf_request_get_ctrlr(req);
2876 0 : struct spdk_nvmf_ns *ns = nvmf_ctrlr_get_ns(ctrlr, cmd->nsid);
2877 0 : struct spdk_nvme_cpl *rsp = spdk_nvmf_request_get_response(req);
2878 0 : struct spdk_bdev *bdev;
2879 0 : struct spdk_bdev_desc *desc;
2880 0 : struct spdk_io_channel *ch;
2881 0 : struct spdk_nvme_ns_data nsdata = {};
2882 0 : struct spdk_iov_xfer ix;
2883 : int rc;
2884 :
2885 0 : nvmf_ctrlr_identify_ns(ctrlr, cmd, rsp, &nsdata, cmd->nsid);
2886 :
2887 0 : rc = spdk_nvmf_request_get_bdev(cmd->nsid, req, &bdev, &desc, &ch);
2888 0 : if (rc) {
2889 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2890 : }
2891 :
2892 0 : if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_NVME_ADMIN)) {
2893 0 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
2894 0 : spdk_iov_xfer_from_buf(&ix, &nsdata, sizeof(nsdata));
2895 :
2896 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
2897 : }
2898 :
2899 0 : assert(ns->passthru_nsid != 0);
2900 0 : req->orig_nsid = ns->nsid;
2901 0 : cmd->nsid = ns->passthru_nsid;
2902 :
2903 0 : return spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(bdev, desc, ch, req, identify_ns_passthru_cb);
2904 : }
2905 :
2906 : static void
2907 3 : nvmf_ctrlr_populate_oacs(struct spdk_nvmf_ctrlr *ctrlr,
2908 : struct spdk_nvme_ctrlr_data *cdata)
2909 : {
2910 3 : cdata->oacs = ctrlr->cdata.oacs;
2911 :
2912 3 : cdata->oacs.virtualization_management =
2913 3 : g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_VIRTUALIZATION_MANAGEMENT].hdlr != NULL;
2914 3 : cdata->oacs.nvme_mi = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NVME_MI_SEND].hdlr != NULL
2915 3 : && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NVME_MI_RECEIVE].hdlr != NULL;
2916 3 : cdata->oacs.directives = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_DIRECTIVE_SEND].hdlr != NULL
2917 3 : && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_DIRECTIVE_RECEIVE].hdlr != NULL;
2918 3 : cdata->oacs.device_self_test =
2919 3 : g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_DEVICE_SELF_TEST].hdlr != NULL;
2920 3 : cdata->oacs.ns_manage = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NS_MANAGEMENT].hdlr != NULL
2921 3 : && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NS_ATTACHMENT].hdlr != NULL;
2922 3 : cdata->oacs.firmware = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD].hdlr !=
2923 : NULL
2924 3 : && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_FIRMWARE_COMMIT].hdlr != NULL;
2925 3 : cdata->oacs.format =
2926 3 : g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_FORMAT_NVM].hdlr != NULL;
2927 3 : cdata->oacs.security = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_SECURITY_SEND].hdlr != NULL
2928 3 : && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_SECURITY_RECEIVE].hdlr != NULL;
2929 3 : cdata->oacs.get_lba_status = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_GET_LBA_STATUS].hdlr !=
2930 : NULL;
2931 3 : }
2932 :
2933 : int
2934 3 : spdk_nvmf_ctrlr_identify_ctrlr(struct spdk_nvmf_ctrlr *ctrlr, struct spdk_nvme_ctrlr_data *cdata)
2935 : {
2936 3 : struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys;
2937 : struct spdk_nvmf_transport *transport;
2938 :
2939 : /*
2940 : * Common fields for discovery and NVM subsystems
2941 : */
2942 3 : assert(ctrlr->admin_qpair);
2943 3 : transport = ctrlr->admin_qpair->transport;
2944 3 : spdk_strcpy_pad(cdata->fr, FW_VERSION, sizeof(cdata->fr), ' ');
2945 3 : assert((transport->opts.max_io_size % 4096) == 0);
2946 3 : cdata->mdts = spdk_u32log2(transport->opts.max_io_size / 4096);
2947 3 : cdata->cntlid = ctrlr->cntlid;
2948 3 : cdata->ver = ctrlr->vcprop.vs;
2949 3 : cdata->aerl = ctrlr->cdata.aerl;
2950 3 : cdata->lpa.edlp = 1;
2951 3 : cdata->elpe = 127;
2952 3 : cdata->maxcmd = transport->opts.max_queue_depth;
2953 3 : cdata->sgls = ctrlr->cdata.sgls;
2954 3 : cdata->fuses = ctrlr->cdata.fuses;
2955 3 : cdata->acwu = 0; /* ACWU is 0-based. */
2956 3 : if (subsystem->flags.ana_reporting) {
2957 0 : cdata->mnan = subsystem->max_nsid;
2958 : }
2959 3 : spdk_strcpy_pad(cdata->subnqn, subsystem->subnqn, sizeof(cdata->subnqn), '\0');
2960 :
2961 3 : SPDK_DEBUGLOG(nvmf, "ctrlr data: maxcmd 0x%x\n", cdata->maxcmd);
2962 3 : SPDK_DEBUGLOG(nvmf, "sgls data: 0x%x\n", from_le32(&cdata->sgls));
2963 :
2964 :
2965 3 : if (spdk_nvmf_subsystem_is_discovery(subsystem)) {
2966 : /*
2967 : * NVM Discovery subsystem fields
2968 : */
2969 0 : cdata->oaes.discovery_log_change_notices = 1;
2970 0 : cdata->cntrltype = SPDK_NVME_CTRLR_DISCOVERY;
2971 : } else {
2972 3 : cdata->vid = ctrlr->cdata.vid;
2973 3 : cdata->ssvid = ctrlr->cdata.ssvid;
2974 3 : cdata->ieee[0] = ctrlr->cdata.ieee[0];
2975 3 : cdata->ieee[1] = ctrlr->cdata.ieee[1];
2976 3 : cdata->ieee[2] = ctrlr->cdata.ieee[2];
2977 :
2978 : /*
2979 : * NVM subsystem fields (reserved for discovery subsystems)
2980 : */
2981 3 : spdk_strcpy_pad(cdata->mn, spdk_nvmf_subsystem_get_mn(subsystem), sizeof(cdata->mn), ' ');
2982 3 : spdk_strcpy_pad(cdata->sn, spdk_nvmf_subsystem_get_sn(subsystem), sizeof(cdata->sn), ' ');
2983 3 : cdata->kas = ctrlr->cdata.kas;
2984 :
2985 3 : cdata->rab = 6;
2986 3 : cdata->cmic.multi_port = 1;
2987 3 : cdata->cmic.multi_ctrlr = 1;
2988 3 : cdata->oaes.ns_attribute_notices = 1;
2989 3 : cdata->ctratt.bits.host_id_exhid_supported = 1;
2990 3 : cdata->ctratt.bits.fdps = ctrlr->subsys->fdp_supported;
2991 3 : cdata->cntrltype = SPDK_NVME_CTRLR_IO;
2992 : /* We do not have any actual limitation to the number of abort commands.
2993 : * We follow the recommendation by the NVMe specification.
2994 : */
2995 3 : cdata->acl = NVMF_ABORT_COMMAND_LIMIT;
2996 3 : cdata->frmw.slot1_ro = 1;
2997 3 : cdata->frmw.num_slots = 1;
2998 :
2999 3 : cdata->lpa.celp = 1; /* Command Effects log page supported */
3000 :
3001 3 : cdata->sqes.min = 6;
3002 3 : cdata->sqes.max = 6;
3003 3 : cdata->cqes.min = 4;
3004 3 : cdata->cqes.max = 4;
3005 3 : cdata->nn = subsystem->max_nsid;
3006 3 : cdata->vwc.present = 1;
3007 3 : cdata->vwc.flush_broadcast = SPDK_NVME_FLUSH_BROADCAST_NOT_SUPPORTED;
3008 :
3009 3 : cdata->nvmf_specific = ctrlr->cdata.nvmf_specific;
3010 :
3011 3 : cdata->oncs.compare = ctrlr->cdata.oncs.compare;
3012 3 : cdata->oncs.dsm = ctrlr->cdata.oncs.dsm && nvmf_ctrlr_dsm_supported(ctrlr);
3013 6 : cdata->oncs.write_zeroes = ctrlr->cdata.oncs.write_zeroes &&
3014 3 : nvmf_ctrlr_write_zeroes_supported(ctrlr);
3015 3 : cdata->oncs.reservations = ctrlr->cdata.oncs.reservations;
3016 3 : cdata->oncs.copy = ctrlr->cdata.oncs.copy;
3017 3 : cdata->ocfs.copy_format0 = cdata->oncs.copy;
3018 3 : if (subsystem->flags.ana_reporting) {
3019 : /* Asymmetric Namespace Access Reporting is supported. */
3020 0 : cdata->cmic.ana_reporting = 1;
3021 0 : cdata->oaes.ana_change_notices = 1;
3022 :
3023 0 : cdata->anatt = ANA_TRANSITION_TIME_IN_SEC;
3024 : /* ANA Change state is not used, and ANA Persistent Loss state
3025 : * is not supported for now.
3026 : */
3027 0 : cdata->anacap.ana_optimized_state = 1;
3028 0 : cdata->anacap.ana_non_optimized_state = 1;
3029 0 : cdata->anacap.ana_inaccessible_state = 1;
3030 : /* ANAGRPID does not change while namespace is attached to controller */
3031 0 : cdata->anacap.no_change_anagrpid = 1;
3032 0 : cdata->anagrpmax = subsystem->max_nsid;
3033 0 : cdata->nanagrpid = subsystem->max_nsid;
3034 : }
3035 :
3036 3 : nvmf_ctrlr_populate_oacs(ctrlr, cdata);
3037 :
3038 3 : assert(subsystem->tgt != NULL);
3039 3 : cdata->crdt[0] = subsystem->tgt->crdt[0];
3040 3 : cdata->crdt[1] = subsystem->tgt->crdt[1];
3041 3 : cdata->crdt[2] = subsystem->tgt->crdt[2];
3042 :
3043 3 : SPDK_DEBUGLOG(nvmf, "ext ctrlr data: ioccsz 0x%x\n",
3044 : cdata->nvmf_specific.ioccsz);
3045 3 : SPDK_DEBUGLOG(nvmf, "ext ctrlr data: iorcsz 0x%x\n",
3046 : cdata->nvmf_specific.iorcsz);
3047 3 : SPDK_DEBUGLOG(nvmf, "ext ctrlr data: icdoff 0x%x\n",
3048 : cdata->nvmf_specific.icdoff);
3049 3 : SPDK_DEBUGLOG(nvmf, "ext ctrlr data: ctrattr 0x%x\n",
3050 : *(uint8_t *)&cdata->nvmf_specific.ctrattr);
3051 3 : SPDK_DEBUGLOG(nvmf, "ext ctrlr data: msdbd 0x%x\n",
3052 : cdata->nvmf_specific.msdbd);
3053 : }
3054 :
3055 3 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3056 : }
3057 :
3058 : static int
3059 1 : nvmf_ns_identify_iocs_zns(struct spdk_nvmf_ns *ns,
3060 : struct spdk_nvme_cmd *cmd,
3061 : struct spdk_nvme_cpl *rsp,
3062 : struct spdk_nvme_zns_ns_data *nsdata_zns)
3063 : {
3064 1 : nsdata_zns->zoc.variable_zone_capacity = 0;
3065 1 : nsdata_zns->zoc.zone_active_excursions = 0;
3066 1 : nsdata_zns->ozcs.read_across_zone_boundaries = 1;
3067 : /* Underflowing the zero based mar and mor bdev helper results in the correct
3068 : value of FFFFFFFFh. */
3069 1 : nsdata_zns->mar = spdk_bdev_get_max_active_zones(ns->bdev) - 1;
3070 1 : nsdata_zns->mor = spdk_bdev_get_max_open_zones(ns->bdev) - 1;
3071 1 : nsdata_zns->rrl = 0;
3072 1 : nsdata_zns->frl = 0;
3073 1 : nsdata_zns->lbafe[0].zsze = spdk_bdev_get_zone_size(ns->bdev);
3074 :
3075 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3076 1 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3077 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3078 : }
3079 :
3080 : static int
3081 1 : nvmf_ns_identify_iocs_nvm(struct spdk_nvmf_ns *ns,
3082 : struct spdk_nvme_cpl *rsp,
3083 : struct spdk_nvme_nvm_ns_data *nsdata_nvm)
3084 : {
3085 1 : nvmf_bdev_ctrlr_identify_iocs_nvm(ns, nsdata_nvm);
3086 :
3087 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3088 1 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3089 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3090 : }
3091 :
3092 : int
3093 4 : spdk_nvmf_ns_identify_iocs_specific(struct spdk_nvmf_ctrlr *ctrlr,
3094 : struct spdk_nvme_cmd *cmd,
3095 : struct spdk_nvme_cpl *rsp,
3096 : void *nsdata,
3097 : size_t nsdata_size)
3098 : {
3099 4 : uint8_t csi = cmd->cdw11_bits.identify.csi;
3100 4 : struct spdk_nvmf_ns *ns = _nvmf_ctrlr_get_ns_safe(ctrlr, cmd->nsid, rsp);
3101 :
3102 4 : memset(nsdata, 0, nsdata_size);
3103 :
3104 4 : if (ns == NULL) {
3105 2 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3106 2 : rsp->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
3107 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3108 : }
3109 :
3110 2 : switch (csi) {
3111 1 : case SPDK_NVME_CSI_ZNS:
3112 1 : return nvmf_ns_identify_iocs_zns(ns, cmd, rsp, nsdata);
3113 1 : case SPDK_NVME_CSI_NVM:
3114 1 : if (!ctrlr->dif_insert_or_strip) {
3115 1 : return nvmf_ns_identify_iocs_nvm(ns, rsp, nsdata);
3116 : }
3117 0 : break;
3118 0 : default:
3119 0 : break;
3120 : }
3121 :
3122 0 : SPDK_DEBUGLOG(nvmf,
3123 : "Returning zero filled struct for the iocs specific ns "
3124 : "identify command and CSI 0x%02x\n",
3125 : csi);
3126 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3127 0 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3128 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3129 : }
3130 :
3131 : static int
3132 1 : nvmf_ctrlr_identify_iocs_nvm(struct spdk_nvmf_ctrlr *ctrlr,
3133 : struct spdk_nvme_cmd *cmd,
3134 : struct spdk_nvme_cpl *rsp,
3135 : struct spdk_nvme_nvm_ctrlr_data *cdata_nvm)
3136 : {
3137 : /* The unit of max_write_zeroes_size_kib is KiB.
3138 : * The unit of wzsl is the minimum memory page size(2 ^ (12 + CAP.MPSMIN) bytes)
3139 : * and is reported as a power of two (2^n).
3140 : */
3141 1 : cdata_nvm->wzsl = spdk_u64log2(ctrlr->subsys->max_write_zeroes_size_kib >>
3142 1 : (2 + ctrlr->vcprop.cap.bits.mpsmin));
3143 :
3144 : /* The unit of max_discard_size_kib is KiB.
3145 : * The dmrsl indicates the maximum number of logical blocks for
3146 : * dataset management command.
3147 : */
3148 1 : cdata_nvm->dmrsl = ctrlr->subsys->max_discard_size_kib << 1;
3149 1 : cdata_nvm->dmrl = 1;
3150 :
3151 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3152 1 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3153 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3154 : }
3155 :
3156 : static int
3157 4 : nvmf_ctrlr_identify_iocs_zns(struct spdk_nvmf_ctrlr *ctrlr,
3158 : struct spdk_nvme_cmd *cmd,
3159 : struct spdk_nvme_cpl *rsp,
3160 : struct spdk_nvme_zns_ctrlr_data *cdata_zns)
3161 : {
3162 : /* The unit of max_zone_append_size_kib is KiB.
3163 : The unit of zasl is the minimum memory page size
3164 : (2 ^ (12 + CAP.MPSMIN) KiB)
3165 : and is reported as a power of two (2^n). */
3166 4 : cdata_zns->zasl = spdk_u64log2(ctrlr->subsys->max_zone_append_size_kib >>
3167 4 : (12 + ctrlr->vcprop.cap.bits.mpsmin));
3168 :
3169 4 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3170 4 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3171 4 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3172 : }
3173 :
3174 : int
3175 5 : spdk_nvmf_ctrlr_identify_iocs_specific(struct spdk_nvmf_ctrlr *ctrlr,
3176 : struct spdk_nvme_cmd *cmd,
3177 : struct spdk_nvme_cpl *rsp,
3178 : void *cdata,
3179 : size_t cdata_size)
3180 : {
3181 5 : uint8_t csi = cmd->cdw11_bits.identify.csi;
3182 :
3183 5 : memset(cdata, 0, cdata_size);
3184 :
3185 5 : switch (csi) {
3186 1 : case SPDK_NVME_CSI_NVM:
3187 1 : return nvmf_ctrlr_identify_iocs_nvm(ctrlr, cmd, rsp, cdata);
3188 4 : case SPDK_NVME_CSI_ZNS:
3189 4 : return nvmf_ctrlr_identify_iocs_zns(ctrlr, cmd, rsp, cdata);
3190 0 : default:
3191 0 : break;
3192 : }
3193 :
3194 0 : SPDK_DEBUGLOG(nvmf,
3195 : "Returning zero filled struct for the iocs specific ctrlr "
3196 : "identify command and CSI 0x%02x\n",
3197 : csi);
3198 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3199 0 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3200 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3201 : }
3202 :
3203 : static int
3204 0 : nvmf_ctrlr_identify_active_ns_list(struct spdk_nvmf_ctrlr *ctrlr,
3205 : struct spdk_nvme_cmd *cmd,
3206 : struct spdk_nvme_cpl *rsp,
3207 : struct spdk_nvme_ns_list *ns_list)
3208 : {
3209 0 : struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys;
3210 : struct spdk_nvmf_ns *ns;
3211 0 : uint32_t count = 0;
3212 :
3213 0 : if (cmd->nsid >= 0xfffffffeUL) {
3214 0 : SPDK_ERRLOG("Identify Active Namespace List with invalid NSID %u\n", cmd->nsid);
3215 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
3216 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3217 : }
3218 :
3219 0 : memset(ns_list, 0, sizeof(*ns_list));
3220 :
3221 0 : for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
3222 0 : ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
3223 0 : if (ns->opts.nsid <= cmd->nsid || !nvmf_ctrlr_ns_is_visible(ctrlr, ns->opts.nsid)) {
3224 0 : continue;
3225 : }
3226 :
3227 0 : ns_list->ns_list[count++] = ns->opts.nsid;
3228 0 : if (count == SPDK_COUNTOF(ns_list->ns_list)) {
3229 0 : break;
3230 : }
3231 : }
3232 :
3233 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3234 : }
3235 :
3236 : static void
3237 7 : _add_ns_id_desc(void **buf_ptr, size_t *buf_remain,
3238 : enum spdk_nvme_nidt type,
3239 : const void *data, size_t data_size)
3240 : {
3241 : struct spdk_nvme_ns_id_desc *desc;
3242 7 : size_t desc_size = sizeof(*desc) + data_size;
3243 :
3244 : /*
3245 : * These should never fail in practice, since all valid NS ID descriptors
3246 : * should be defined so that they fit in the available 4096-byte buffer.
3247 : */
3248 7 : assert(data_size > 0);
3249 7 : assert(data_size <= UINT8_MAX);
3250 7 : assert(desc_size < *buf_remain);
3251 7 : if (data_size == 0 || data_size > UINT8_MAX || desc_size > *buf_remain) {
3252 0 : return;
3253 : }
3254 :
3255 7 : desc = *buf_ptr;
3256 7 : desc->nidt = type;
3257 7 : desc->nidl = data_size;
3258 7 : memcpy(desc->nid, data, data_size);
3259 :
3260 7 : *buf_ptr += desc_size;
3261 7 : *buf_remain -= desc_size;
3262 : }
3263 :
3264 : static int
3265 7 : nvmf_ctrlr_identify_ns_id_descriptor_list(
3266 : struct spdk_nvmf_ctrlr *ctrlr,
3267 : struct spdk_nvme_cmd *cmd,
3268 : struct spdk_nvme_cpl *rsp,
3269 : void *id_desc_list, size_t id_desc_list_size)
3270 : {
3271 : struct spdk_nvmf_ns *ns;
3272 7 : size_t buf_remain = id_desc_list_size;
3273 7 : void *buf_ptr = id_desc_list;
3274 :
3275 7 : ns = nvmf_ctrlr_get_ns(ctrlr, cmd->nsid);
3276 7 : if (ns == NULL || ns->bdev == NULL) {
3277 2 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3278 2 : rsp->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
3279 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3280 : }
3281 :
3282 : #define ADD_ID_DESC(type, data, size) \
3283 : do { \
3284 : if (!spdk_mem_all_zero(data, size)) { \
3285 : _add_ns_id_desc(&buf_ptr, &buf_remain, type, data, size); \
3286 : } \
3287 : } while (0)
3288 :
3289 5 : ADD_ID_DESC(SPDK_NVME_NIDT_EUI64, ns->opts.eui64, sizeof(ns->opts.eui64));
3290 5 : ADD_ID_DESC(SPDK_NVME_NIDT_NGUID, ns->opts.nguid, sizeof(ns->opts.nguid));
3291 5 : ADD_ID_DESC(SPDK_NVME_NIDT_UUID, &ns->opts.uuid, sizeof(ns->opts.uuid));
3292 5 : ADD_ID_DESC(SPDK_NVME_NIDT_CSI, &ns->csi, sizeof(uint8_t));
3293 :
3294 : /*
3295 : * The list is automatically 0-terminated, both in the temporary buffer
3296 : * used by nvmf_ctrlr_identify(), and the eventual iov destination -
3297 : * controller to host buffers in admin commands always get zeroed in
3298 : * nvmf_ctrlr_process_admin_cmd().
3299 : */
3300 :
3301 : #undef ADD_ID_DESC
3302 :
3303 5 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3304 : }
3305 :
3306 : static int
3307 0 : nvmf_ctrlr_identify_iocs(struct spdk_nvmf_ctrlr *ctrlr,
3308 : struct spdk_nvme_cmd *cmd,
3309 : struct spdk_nvme_cpl *rsp,
3310 : void *cdata, size_t cdata_size)
3311 : {
3312 : struct spdk_nvme_iocs_vector *vector;
3313 : struct spdk_nvmf_ns *ns;
3314 :
3315 0 : if (cdata_size < sizeof(struct spdk_nvme_iocs_vector)) {
3316 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3317 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3318 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3319 : }
3320 :
3321 : /* For now we only support this command sent to the current
3322 : * controller.
3323 : */
3324 0 : if (cmd->cdw10_bits.identify.cntid != 0xFFFF &&
3325 0 : cmd->cdw10_bits.identify.cntid != ctrlr->cntlid) {
3326 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3327 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3328 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3329 : }
3330 0 : memset(cdata, 0, cdata_size);
3331 :
3332 0 : vector = cdata;
3333 0 : vector->nvm = 1;
3334 0 : for (ns = spdk_nvmf_subsystem_get_first_ns(ctrlr->subsys); ns != NULL;
3335 0 : ns = spdk_nvmf_subsystem_get_next_ns(ctrlr->subsys, ns)) {
3336 0 : if (ns->bdev == NULL) {
3337 0 : continue;
3338 : }
3339 0 : if (spdk_bdev_is_zoned(ns->bdev)) {
3340 0 : vector->zns = 1;
3341 : }
3342 : }
3343 :
3344 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3345 0 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3346 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3347 : }
3348 :
3349 : static int
3350 7 : nvmf_ctrlr_identify(struct spdk_nvmf_request *req)
3351 : {
3352 : uint8_t cns;
3353 7 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
3354 7 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
3355 7 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
3356 7 : struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys;
3357 7 : int ret = SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3358 7 : char tmpbuf[SPDK_NVME_IDENTIFY_BUFLEN] = "";
3359 7 : struct spdk_iov_xfer ix;
3360 :
3361 7 : if (req->iovcnt < 1 || req->length < SPDK_NVME_IDENTIFY_BUFLEN) {
3362 0 : SPDK_DEBUGLOG(nvmf, "identify command with invalid buffer\n");
3363 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3364 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3365 0 : return ret;
3366 : }
3367 :
3368 7 : cns = cmd->cdw10_bits.identify.cns;
3369 :
3370 7 : if (spdk_nvmf_subsystem_is_discovery(subsystem) &&
3371 : cns != SPDK_NVME_IDENTIFY_CTRLR) {
3372 : /* Discovery controllers only support Identify Controller */
3373 0 : goto invalid_cns;
3374 : }
3375 :
3376 : /*
3377 : * We must use a temporary buffer: it's entirely possible the out buffer
3378 : * is split across more than one IOV.
3379 : */
3380 7 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
3381 :
3382 7 : SPDK_DEBUGLOG(nvmf, "Received identify command with CNS 0x%02x\n", cns);
3383 :
3384 7 : switch (cns) {
3385 0 : case SPDK_NVME_IDENTIFY_NS:
3386 : /* Function below can be asynchronous & we always need to have the data in request's buffer
3387 : * So just return here */
3388 0 : return spdk_nvmf_ctrlr_identify_ns_ext(req);
3389 0 : case SPDK_NVME_IDENTIFY_CTRLR:
3390 0 : ret = spdk_nvmf_ctrlr_identify_ctrlr(ctrlr, (void *)&tmpbuf);
3391 0 : break;
3392 0 : case SPDK_NVME_IDENTIFY_ACTIVE_NS_LIST:
3393 0 : ret = nvmf_ctrlr_identify_active_ns_list(ctrlr, cmd, rsp, (void *)&tmpbuf);
3394 0 : break;
3395 7 : case SPDK_NVME_IDENTIFY_NS_ID_DESCRIPTOR_LIST:
3396 7 : ret = nvmf_ctrlr_identify_ns_id_descriptor_list(ctrlr, cmd, rsp,
3397 7 : tmpbuf, req->length);
3398 7 : break;
3399 0 : case SPDK_NVME_IDENTIFY_NS_IOCS:
3400 0 : ret = spdk_nvmf_ns_identify_iocs_specific(ctrlr, cmd, rsp, (void *)&tmpbuf, req->length);
3401 0 : break;
3402 0 : case SPDK_NVME_IDENTIFY_CTRLR_IOCS:
3403 0 : ret = spdk_nvmf_ctrlr_identify_iocs_specific(ctrlr, cmd, rsp, (void *)&tmpbuf, req->length);
3404 0 : break;
3405 0 : case SPDK_NVME_IDENTIFY_IOCS:
3406 0 : ret = nvmf_ctrlr_identify_iocs(ctrlr, cmd, rsp, (void *)&tmpbuf, req->length);
3407 0 : break;
3408 0 : default:
3409 0 : goto invalid_cns;
3410 : }
3411 :
3412 7 : if (ret == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
3413 7 : spdk_iov_xfer_from_buf(&ix, tmpbuf, sizeof(tmpbuf));
3414 : }
3415 :
3416 7 : return ret;
3417 :
3418 0 : invalid_cns:
3419 0 : SPDK_DEBUGLOG(nvmf, "Identify command with unsupported CNS 0x%02x\n", cns);
3420 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3421 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3422 0 : return ret;
3423 : }
3424 :
3425 : static bool
3426 2 : nvmf_qpair_abort_aer(struct spdk_nvmf_qpair *qpair, uint16_t cid)
3427 : {
3428 2 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
3429 : struct spdk_nvmf_request *req;
3430 : int i;
3431 :
3432 2 : if (!nvmf_qpair_is_admin_queue(qpair)) {
3433 0 : return false;
3434 : }
3435 :
3436 2 : assert(spdk_get_thread() == ctrlr->thread);
3437 :
3438 6 : for (i = 0; i < ctrlr->nr_aer_reqs; i++) {
3439 6 : if (ctrlr->aer_req[i]->cmd->nvme_cmd.cid == cid) {
3440 2 : SPDK_DEBUGLOG(nvmf, "Aborting AER request\n");
3441 2 : req = ctrlr->aer_req[i];
3442 2 : ctrlr->aer_req[i] = NULL;
3443 2 : ctrlr->nr_aer_reqs--;
3444 :
3445 : /* Move the last req to the aborting position for making aer_reqs
3446 : * in continuous
3447 : */
3448 2 : if (i < ctrlr->nr_aer_reqs) {
3449 1 : ctrlr->aer_req[i] = ctrlr->aer_req[ctrlr->nr_aer_reqs];
3450 1 : ctrlr->aer_req[ctrlr->nr_aer_reqs] = NULL;
3451 : }
3452 :
3453 2 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
3454 2 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_ABORTED_BY_REQUEST;
3455 2 : _nvmf_request_complete(req);
3456 2 : return true;
3457 : }
3458 : }
3459 :
3460 0 : return false;
3461 : }
3462 :
3463 : void
3464 0 : nvmf_qpair_abort_pending_zcopy_reqs(struct spdk_nvmf_qpair *qpair)
3465 : {
3466 : struct spdk_nvmf_request *req, *tmp;
3467 :
3468 0 : TAILQ_FOREACH_SAFE(req, &qpair->outstanding, link, tmp) {
3469 0 : if (req->zcopy_phase == NVMF_ZCOPY_PHASE_EXECUTE) {
3470 : /* Zero-copy requests are kept on the outstanding queue from the moment
3471 : * zcopy_start is sent until a zcopy_end callback is received. Therefore,
3472 : * we can't remove them from the outstanding queue here, but need to rely on
3473 : * the transport to do a zcopy_end to release their buffers and, in turn,
3474 : * remove them from the queue.
3475 : */
3476 0 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
3477 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_ABORTED_BY_REQUEST;
3478 0 : nvmf_transport_req_free(req);
3479 : }
3480 : }
3481 0 : }
3482 :
3483 : static void
3484 0 : nvmf_qpair_abort_request(struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_request *req)
3485 : {
3486 0 : uint16_t cid = req->cmd->nvme_cmd.cdw10_bits.abort.cid;
3487 :
3488 0 : if (nvmf_qpair_abort_aer(qpair, cid)) {
3489 0 : SPDK_DEBUGLOG(nvmf, "abort ctrlr=%p sqid=%u cid=%u successful\n",
3490 : qpair->ctrlr, qpair->qid, cid);
3491 0 : req->rsp->nvme_cpl.cdw0 &= ~1U; /* Command successfully aborted */
3492 :
3493 0 : spdk_nvmf_request_complete(req);
3494 0 : return;
3495 : }
3496 :
3497 0 : nvmf_transport_qpair_abort_request(qpair, req);
3498 : }
3499 :
3500 : static void
3501 0 : nvmf_ctrlr_abort_done(struct spdk_io_channel_iter *i, int status)
3502 : {
3503 0 : struct spdk_nvmf_request *req = spdk_io_channel_iter_get_ctx(i);
3504 :
3505 0 : if (status == 0) {
3506 : /* There was no qpair whose ID matches SQID of the abort command.
3507 : * Hence call _nvmf_request_complete() here.
3508 : */
3509 0 : _nvmf_request_complete(req);
3510 : }
3511 0 : }
3512 :
3513 : static void
3514 0 : nvmf_ctrlr_abort_on_pg(struct spdk_io_channel_iter *i)
3515 : {
3516 0 : struct spdk_nvmf_request *req = spdk_io_channel_iter_get_ctx(i);
3517 0 : struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i);
3518 0 : struct spdk_nvmf_poll_group *group = spdk_io_channel_get_ctx(ch);
3519 0 : uint16_t sqid = req->cmd->nvme_cmd.cdw10_bits.abort.sqid;
3520 : struct spdk_nvmf_qpair *qpair;
3521 :
3522 0 : TAILQ_FOREACH(qpair, &group->qpairs, link) {
3523 0 : if (qpair->ctrlr == req->qpair->ctrlr && qpair->qid == sqid) {
3524 : /* Found the qpair */
3525 :
3526 0 : nvmf_qpair_abort_request(qpair, req);
3527 :
3528 : /* Return -1 for the status so the iteration across threads stops. */
3529 0 : spdk_for_each_channel_continue(i, -1);
3530 0 : return;
3531 : }
3532 : }
3533 :
3534 0 : spdk_for_each_channel_continue(i, 0);
3535 : }
3536 :
3537 : static int
3538 0 : nvmf_ctrlr_abort(struct spdk_nvmf_request *req)
3539 : {
3540 0 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
3541 :
3542 0 : rsp->cdw0 = 1U; /* Command not aborted */
3543 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
3544 0 : rsp->status.sc = SPDK_NVME_SC_SUCCESS;
3545 :
3546 : /* Send a message to each poll group, searching for this ctrlr, sqid, and command. */
3547 0 : spdk_for_each_channel(req->qpair->ctrlr->subsys->tgt,
3548 : nvmf_ctrlr_abort_on_pg,
3549 : req,
3550 : nvmf_ctrlr_abort_done
3551 : );
3552 :
3553 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
3554 : }
3555 :
3556 : int
3557 0 : nvmf_ctrlr_abort_request(struct spdk_nvmf_request *req)
3558 : {
3559 0 : struct spdk_nvmf_request *req_to_abort = req->req_to_abort;
3560 0 : struct spdk_bdev *bdev;
3561 0 : struct spdk_bdev_desc *desc;
3562 0 : struct spdk_io_channel *ch;
3563 : int rc;
3564 :
3565 0 : assert(req_to_abort != NULL);
3566 :
3567 0 : if (g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_ABORT].hdlr &&
3568 0 : nvmf_qpair_is_admin_queue(req_to_abort->qpair)) {
3569 0 : return g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_ABORT].hdlr(req);
3570 : }
3571 :
3572 0 : rc = spdk_nvmf_request_get_bdev(req_to_abort->cmd->nvme_cmd.nsid, req_to_abort,
3573 : &bdev, &desc, &ch);
3574 0 : if (rc != 0) {
3575 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3576 : }
3577 :
3578 0 : return spdk_nvmf_bdev_ctrlr_abort_cmd(bdev, desc, ch, req, req_to_abort);
3579 : }
3580 :
3581 : static int
3582 1 : get_features_generic(struct spdk_nvmf_request *req, uint32_t cdw0)
3583 : {
3584 1 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
3585 :
3586 1 : rsp->cdw0 = cdw0;
3587 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3588 : }
3589 :
3590 : /* we have to use the typedef in the function declaration to appease astyle. */
3591 : typedef enum spdk_nvme_path_status_code spdk_nvme_path_status_code_t;
3592 :
3593 : static spdk_nvme_path_status_code_t
3594 0 : _nvme_ana_state_to_path_status(enum spdk_nvme_ana_state ana_state)
3595 : {
3596 0 : switch (ana_state) {
3597 0 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
3598 0 : return SPDK_NVME_SC_ASYMMETRIC_ACCESS_INACCESSIBLE;
3599 0 : case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
3600 0 : return SPDK_NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS;
3601 0 : case SPDK_NVME_ANA_CHANGE_STATE:
3602 0 : return SPDK_NVME_SC_ASYMMETRIC_ACCESS_TRANSITION;
3603 0 : default:
3604 0 : return SPDK_NVME_SC_INTERNAL_PATH_ERROR;
3605 : }
3606 : }
3607 :
3608 : static int
3609 3 : nvmf_ctrlr_get_features(struct spdk_nvmf_request *req)
3610 : {
3611 : uint8_t feature;
3612 3 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
3613 3 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
3614 3 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
3615 : enum spdk_nvme_ana_state ana_state;
3616 :
3617 3 : feature = cmd->cdw10_bits.get_features.fid;
3618 :
3619 3 : if (spdk_nvmf_subsystem_is_discovery(ctrlr->subsys)) {
3620 : /*
3621 : * Features supported by Discovery controller
3622 : */
3623 0 : switch (feature) {
3624 0 : case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER:
3625 0 : return get_features_generic(req, ctrlr->feat.keep_alive_timer.raw);
3626 0 : case SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION:
3627 0 : return get_features_generic(req, ctrlr->feat.async_event_configuration.raw);
3628 0 : default:
3629 0 : SPDK_INFOLOG(nvmf, "Get Features command with unsupported feature ID 0x%02x\n", feature);
3630 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3631 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3632 : }
3633 : }
3634 : /*
3635 : * Process Get Features command for non-discovery controller
3636 : */
3637 3 : ana_state = nvmf_ctrlr_get_ana_state_from_nsid(ctrlr, cmd->nsid);
3638 3 : switch (ana_state) {
3639 0 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
3640 : case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
3641 : case SPDK_NVME_ANA_CHANGE_STATE:
3642 0 : switch (feature) {
3643 0 : case SPDK_NVME_FEAT_ERROR_RECOVERY:
3644 : case SPDK_NVME_FEAT_WRITE_ATOMICITY:
3645 : case SPDK_NVME_FEAT_HOST_RESERVE_MASK:
3646 : case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST:
3647 0 : response->status.sct = SPDK_NVME_SCT_PATH;
3648 0 : response->status.sc = _nvme_ana_state_to_path_status(ana_state);
3649 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3650 0 : default:
3651 0 : break;
3652 : }
3653 0 : break;
3654 3 : default:
3655 3 : break;
3656 : }
3657 :
3658 3 : switch (feature) {
3659 0 : case SPDK_NVME_FEAT_ARBITRATION:
3660 0 : return get_features_generic(req, ctrlr->feat.arbitration.raw);
3661 0 : case SPDK_NVME_FEAT_POWER_MANAGEMENT:
3662 0 : return get_features_generic(req, ctrlr->feat.power_management.raw);
3663 2 : case SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD:
3664 2 : return nvmf_ctrlr_get_features_temperature_threshold(req);
3665 1 : case SPDK_NVME_FEAT_ERROR_RECOVERY:
3666 1 : return get_features_generic(req, ctrlr->feat.error_recovery.raw);
3667 0 : case SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE:
3668 0 : return get_features_generic(req, ctrlr->feat.volatile_write_cache.raw);
3669 0 : case SPDK_NVME_FEAT_NUMBER_OF_QUEUES:
3670 0 : return get_features_generic(req, ctrlr->feat.number_of_queues.raw);
3671 0 : case SPDK_NVME_FEAT_INTERRUPT_COALESCING:
3672 0 : return get_features_generic(req, ctrlr->feat.interrupt_coalescing.raw);
3673 0 : case SPDK_NVME_FEAT_INTERRUPT_VECTOR_CONFIGURATION:
3674 0 : return nvmf_ctrlr_get_features_interrupt_vector_configuration(req);
3675 0 : case SPDK_NVME_FEAT_WRITE_ATOMICITY:
3676 0 : return get_features_generic(req, ctrlr->feat.write_atomicity.raw);
3677 0 : case SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION:
3678 0 : return get_features_generic(req, ctrlr->feat.async_event_configuration.raw);
3679 0 : case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER:
3680 0 : return get_features_generic(req, ctrlr->feat.keep_alive_timer.raw);
3681 0 : case SPDK_NVME_FEAT_HOST_IDENTIFIER:
3682 0 : return nvmf_ctrlr_get_features_host_identifier(req);
3683 0 : case SPDK_NVME_FEAT_HOST_RESERVE_MASK:
3684 0 : return nvmf_ctrlr_get_features_reservation_notification_mask(req);
3685 0 : case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST:
3686 0 : return nvmf_ctrlr_get_features_reservation_persistence(req);
3687 0 : case SPDK_NVME_FEAT_HOST_BEHAVIOR_SUPPORT:
3688 0 : return nvmf_ctrlr_get_features_host_behavior_support(req);
3689 0 : default:
3690 0 : SPDK_INFOLOG(nvmf, "Get Features command with unsupported feature ID 0x%02x\n", feature);
3691 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3692 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3693 : }
3694 : }
3695 :
3696 : static int
3697 5 : nvmf_ctrlr_set_features(struct spdk_nvmf_request *req)
3698 : {
3699 : uint8_t feature, save;
3700 5 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
3701 5 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
3702 5 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
3703 : enum spdk_nvme_ana_state ana_state;
3704 : /*
3705 : * Features are not saveable by the controller as indicated by
3706 : * ONCS field of the Identify Controller data.
3707 : * */
3708 5 : save = cmd->cdw10_bits.set_features.sv;
3709 5 : if (save) {
3710 0 : response->status.sc = SPDK_NVME_SC_FEATURE_ID_NOT_SAVEABLE;
3711 0 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
3712 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3713 : }
3714 :
3715 5 : feature = cmd->cdw10_bits.set_features.fid;
3716 :
3717 5 : if (spdk_nvmf_subsystem_is_discovery(ctrlr->subsys)) {
3718 : /*
3719 : * Features supported by Discovery controller
3720 : */
3721 0 : switch (feature) {
3722 0 : case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER:
3723 0 : return nvmf_ctrlr_set_features_keep_alive_timer(req);
3724 0 : case SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION:
3725 0 : return nvmf_ctrlr_set_features_async_event_configuration(req);
3726 0 : default:
3727 0 : SPDK_INFOLOG(nvmf, "Set Features command with unsupported feature ID 0x%02x\n", feature);
3728 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3729 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3730 : }
3731 : }
3732 : /*
3733 : * Process Set Features command for non-discovery controller
3734 : */
3735 5 : ana_state = nvmf_ctrlr_get_ana_state_from_nsid(ctrlr, cmd->nsid);
3736 5 : switch (ana_state) {
3737 0 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
3738 : case SPDK_NVME_ANA_CHANGE_STATE:
3739 0 : if (cmd->nsid == SPDK_NVME_GLOBAL_NS_TAG) {
3740 0 : response->status.sct = SPDK_NVME_SCT_PATH;
3741 0 : response->status.sc = _nvme_ana_state_to_path_status(ana_state);
3742 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3743 : } else {
3744 0 : switch (feature) {
3745 0 : case SPDK_NVME_FEAT_ERROR_RECOVERY:
3746 : case SPDK_NVME_FEAT_WRITE_ATOMICITY:
3747 : case SPDK_NVME_FEAT_HOST_RESERVE_MASK:
3748 : case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST:
3749 0 : response->status.sct = SPDK_NVME_SCT_PATH;
3750 0 : response->status.sc = _nvme_ana_state_to_path_status(ana_state);
3751 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3752 0 : default:
3753 0 : break;
3754 : }
3755 : }
3756 0 : break;
3757 0 : case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
3758 0 : response->status.sct = SPDK_NVME_SCT_PATH;
3759 0 : response->status.sc = SPDK_NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS;
3760 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3761 5 : default:
3762 5 : break;
3763 : }
3764 :
3765 5 : switch (feature) {
3766 0 : case SPDK_NVME_FEAT_ARBITRATION:
3767 0 : return nvmf_ctrlr_set_features_arbitration(req);
3768 0 : case SPDK_NVME_FEAT_POWER_MANAGEMENT:
3769 0 : return nvmf_ctrlr_set_features_power_management(req);
3770 3 : case SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD:
3771 3 : return nvmf_ctrlr_set_features_temperature_threshold(req);
3772 2 : case SPDK_NVME_FEAT_ERROR_RECOVERY:
3773 2 : return nvmf_ctrlr_set_features_error_recovery(req);
3774 0 : case SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE:
3775 0 : return nvmf_ctrlr_set_features_volatile_write_cache(req);
3776 0 : case SPDK_NVME_FEAT_NUMBER_OF_QUEUES:
3777 0 : return nvmf_ctrlr_set_features_number_of_queues(req);
3778 0 : case SPDK_NVME_FEAT_INTERRUPT_COALESCING:
3779 0 : response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
3780 0 : response->status.sc = SPDK_NVME_SC_FEATURE_NOT_CHANGEABLE;
3781 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3782 0 : case SPDK_NVME_FEAT_WRITE_ATOMICITY:
3783 0 : return nvmf_ctrlr_set_features_write_atomicity(req);
3784 0 : case SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION:
3785 0 : return nvmf_ctrlr_set_features_async_event_configuration(req);
3786 0 : case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER:
3787 0 : return nvmf_ctrlr_set_features_keep_alive_timer(req);
3788 0 : case SPDK_NVME_FEAT_HOST_IDENTIFIER:
3789 0 : return nvmf_ctrlr_set_features_host_identifier(req);
3790 0 : case SPDK_NVME_FEAT_HOST_RESERVE_MASK:
3791 0 : return nvmf_ctrlr_set_features_reservation_notification_mask(req);
3792 0 : case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST:
3793 0 : return nvmf_ctrlr_set_features_reservation_persistence(req);
3794 0 : case SPDK_NVME_FEAT_HOST_BEHAVIOR_SUPPORT:
3795 0 : return nvmf_ctrlr_set_features_host_behavior_support(req);
3796 0 : default:
3797 0 : SPDK_INFOLOG(nvmf, "Set Features command with unsupported feature ID 0x%02x\n", feature);
3798 0 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3799 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3800 : }
3801 : }
3802 :
3803 : static int
3804 0 : nvmf_ctrlr_keep_alive(struct spdk_nvmf_request *req)
3805 : {
3806 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
3807 :
3808 0 : SPDK_DEBUGLOG(nvmf, "Keep Alive\n");
3809 : /*
3810 : * To handle keep alive just clear or reset the
3811 : * ctrlr based keep alive duration counter.
3812 : * When added, a separate timer based process
3813 : * will monitor if the time since last recorded
3814 : * keep alive has exceeded the max duration and
3815 : * take appropriate action.
3816 : */
3817 0 : ctrlr->last_keep_alive_tick = spdk_get_ticks();
3818 :
3819 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3820 : }
3821 :
3822 : static bool
3823 19 : is_cmd_ctrlr_specific(struct spdk_nvme_cmd *cmd)
3824 : {
3825 19 : switch (cmd->opc) {
3826 11 : case SPDK_NVME_OPC_DELETE_IO_SQ:
3827 : case SPDK_NVME_OPC_CREATE_IO_SQ:
3828 : case SPDK_NVME_OPC_DELETE_IO_CQ:
3829 : case SPDK_NVME_OPC_CREATE_IO_CQ:
3830 : case SPDK_NVME_OPC_ABORT:
3831 : case SPDK_NVME_OPC_ASYNC_EVENT_REQUEST:
3832 : case SPDK_NVME_OPC_FIRMWARE_COMMIT:
3833 : case SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD:
3834 : case SPDK_NVME_OPC_KEEP_ALIVE:
3835 : case SPDK_NVME_OPC_VIRTUALIZATION_MANAGEMENT:
3836 : case SPDK_NVME_OPC_NVME_MI_SEND:
3837 : case SPDK_NVME_OPC_NVME_MI_RECEIVE:
3838 : case SPDK_NVME_OPC_DOORBELL_BUFFER_CONFIG:
3839 : case SPDK_NVME_OPC_SANITIZE:
3840 11 : return true;
3841 8 : default:
3842 8 : return false;
3843 : }
3844 : }
3845 :
3846 : int
3847 19 : nvmf_ctrlr_process_admin_cmd(struct spdk_nvmf_request *req)
3848 : {
3849 19 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
3850 19 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
3851 19 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
3852 : struct spdk_nvmf_subsystem_poll_group *sgroup;
3853 : int rc;
3854 :
3855 19 : assert(ctrlr != NULL);
3856 19 : if (cmd->opc == SPDK_NVME_OPC_ASYNC_EVENT_REQUEST) {
3857 : /* We do not want to treat AERs as outstanding commands,
3858 : * so decrement mgmt_io_outstanding here to offset
3859 : * the increment that happened prior to this call.
3860 : */
3861 10 : sgroup = &req->qpair->group->sgroups[ctrlr->subsys->id];
3862 10 : assert(sgroup != NULL);
3863 10 : sgroup->mgmt_io_outstanding--;
3864 : }
3865 :
3866 19 : assert(spdk_get_thread() == ctrlr->thread);
3867 :
3868 38 : if (cmd->fuse != 0 ||
3869 30 : (is_cmd_ctrlr_specific(cmd) && (cmd->nsid != 0))) {
3870 : /* Fused admin commands are not supported.
3871 : * Commands with controller scope - should be rejected if NSID is set.
3872 : */
3873 1 : response->status.sct = SPDK_NVME_SCT_GENERIC;
3874 1 : response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
3875 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3876 : }
3877 :
3878 18 : if (ctrlr->vcprop.cc.bits.en != 1) {
3879 0 : SPDK_ERRLOG("Admin command sent to disabled controller\n");
3880 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
3881 0 : response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
3882 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3883 : }
3884 :
3885 18 : if (req->iovcnt && spdk_nvme_opc_get_data_transfer(cmd->opc) == SPDK_NVME_DATA_CONTROLLER_TO_HOST) {
3886 7 : spdk_iov_memset(req->iov, req->iovcnt, 0);
3887 : }
3888 :
3889 18 : if (spdk_nvmf_subsystem_is_discovery(ctrlr->subsys)) {
3890 : /* Discovery controllers only support these admin OPS. */
3891 0 : switch (cmd->opc) {
3892 0 : case SPDK_NVME_OPC_IDENTIFY:
3893 : case SPDK_NVME_OPC_GET_LOG_PAGE:
3894 : case SPDK_NVME_OPC_KEEP_ALIVE:
3895 : case SPDK_NVME_OPC_SET_FEATURES:
3896 : case SPDK_NVME_OPC_GET_FEATURES:
3897 : case SPDK_NVME_OPC_ASYNC_EVENT_REQUEST:
3898 0 : break;
3899 0 : default:
3900 0 : goto invalid_opcode;
3901 : }
3902 : }
3903 :
3904 : /* Call a custom adm cmd handler if set. Aborts are handled in a different path (see nvmf_passthru_admin_cmd) */
3905 18 : if (g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].hdlr && cmd->opc != SPDK_NVME_OPC_ABORT) {
3906 1 : rc = g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].hdlr(req);
3907 1 : if (rc >= SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
3908 : /* The handler took care of this command */
3909 1 : return rc;
3910 : }
3911 : }
3912 :
3913 : /* We only want to send passthrough admin commands to namespaces.
3914 : * However, we don't want to passthrough a command with intended for all namespaces.
3915 : */
3916 17 : if (ctrlr->subsys->passthrough && cmd->nsid && cmd->nsid != SPDK_NVME_GLOBAL_NS_TAG) {
3917 0 : return nvmf_passthru_admin_cmd(req);
3918 : }
3919 :
3920 17 : switch (cmd->opc) {
3921 0 : case SPDK_NVME_OPC_GET_LOG_PAGE:
3922 0 : return nvmf_ctrlr_get_log_page(req);
3923 7 : case SPDK_NVME_OPC_IDENTIFY:
3924 7 : return nvmf_ctrlr_identify(req);
3925 0 : case SPDK_NVME_OPC_ABORT:
3926 0 : return nvmf_ctrlr_abort(req);
3927 0 : case SPDK_NVME_OPC_GET_FEATURES:
3928 0 : return nvmf_ctrlr_get_features(req);
3929 0 : case SPDK_NVME_OPC_SET_FEATURES:
3930 0 : return nvmf_ctrlr_set_features(req);
3931 10 : case SPDK_NVME_OPC_ASYNC_EVENT_REQUEST:
3932 10 : return nvmf_ctrlr_async_event_request(req);
3933 0 : case SPDK_NVME_OPC_KEEP_ALIVE:
3934 0 : return nvmf_ctrlr_keep_alive(req);
3935 :
3936 0 : case SPDK_NVME_OPC_CREATE_IO_SQ:
3937 : case SPDK_NVME_OPC_CREATE_IO_CQ:
3938 : case SPDK_NVME_OPC_DELETE_IO_SQ:
3939 : case SPDK_NVME_OPC_DELETE_IO_CQ:
3940 : /* Create and Delete I/O CQ/SQ not allowed in NVMe-oF */
3941 0 : goto invalid_opcode;
3942 :
3943 0 : default:
3944 0 : goto invalid_opcode;
3945 : }
3946 :
3947 0 : invalid_opcode:
3948 0 : SPDK_INFOLOG(nvmf, "Unsupported admin opcode 0x%x\n", cmd->opc);
3949 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
3950 0 : response->status.sc = SPDK_NVME_SC_INVALID_OPCODE;
3951 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3952 : }
3953 :
3954 : static int
3955 0 : nvmf_ctrlr_process_fabrics_cmd(struct spdk_nvmf_request *req)
3956 : {
3957 0 : struct spdk_nvmf_qpair *qpair = req->qpair;
3958 : struct spdk_nvmf_capsule_cmd *cap_hdr;
3959 :
3960 0 : cap_hdr = &req->cmd->nvmf_cmd;
3961 :
3962 0 : if (qpair->ctrlr == NULL) {
3963 : /* No ctrlr established yet; the only valid command is Connect */
3964 0 : assert(cap_hdr->fctype == SPDK_NVMF_FABRIC_COMMAND_CONNECT);
3965 0 : return nvmf_ctrlr_cmd_connect(req);
3966 0 : } else if (nvmf_qpair_is_admin_queue(qpair)) {
3967 : /*
3968 : * Controller session is established, and this is an admin queue.
3969 : * Disallow Connect and allow other fabrics commands.
3970 : */
3971 0 : switch (cap_hdr->fctype) {
3972 0 : case SPDK_NVMF_FABRIC_COMMAND_PROPERTY_SET:
3973 0 : return nvmf_property_set(req);
3974 0 : case SPDK_NVMF_FABRIC_COMMAND_PROPERTY_GET:
3975 0 : return nvmf_property_get(req);
3976 0 : case SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_SEND:
3977 : case SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_RECV:
3978 0 : return nvmf_auth_request_exec(req);
3979 0 : default:
3980 0 : SPDK_DEBUGLOG(nvmf, "unknown fctype 0x%02x\n",
3981 : cap_hdr->fctype);
3982 0 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
3983 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
3984 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
3985 : }
3986 : } else {
3987 : /*
3988 : * Controller session is established, and this is an I/O queue.
3989 : * Disallow everything besides authentication commands.
3990 : */
3991 0 : switch (cap_hdr->fctype) {
3992 0 : case SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_SEND:
3993 : case SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_RECV:
3994 0 : return nvmf_auth_request_exec(req);
3995 0 : default:
3996 0 : SPDK_DEBUGLOG(nvmf, "Unexpected I/O fctype 0x%x\n", cap_hdr->fctype);
3997 0 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
3998 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE;
3999 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4000 : }
4001 : }
4002 : }
4003 :
4004 : static inline void
4005 5 : nvmf_ctrlr_queue_pending_async_event(struct spdk_nvmf_ctrlr *ctrlr,
4006 : union spdk_nvme_async_event_completion *event)
4007 : {
4008 : struct spdk_nvmf_async_event_completion *nvmf_event;
4009 :
4010 5 : nvmf_event = calloc(1, sizeof(*nvmf_event));
4011 5 : if (!nvmf_event) {
4012 0 : SPDK_ERRLOG("Alloc nvmf event failed, ignore the event\n");
4013 0 : return;
4014 : }
4015 5 : nvmf_event->event.raw = event->raw;
4016 5 : STAILQ_INSERT_TAIL(&ctrlr->async_events, nvmf_event, link);
4017 : }
4018 :
4019 : static inline int
4020 6 : nvmf_ctrlr_async_event_notification(struct spdk_nvmf_ctrlr *ctrlr,
4021 : union spdk_nvme_async_event_completion *event)
4022 : {
4023 : struct spdk_nvmf_request *req;
4024 : struct spdk_nvme_cpl *rsp;
4025 :
4026 6 : assert(spdk_get_thread() == ctrlr->thread);
4027 :
4028 : /* If there is no outstanding AER request, queue the event. Then
4029 : * if an AER is later submitted, this event can be sent as a
4030 : * response.
4031 : */
4032 6 : if (ctrlr->nr_aer_reqs == 0) {
4033 5 : nvmf_ctrlr_queue_pending_async_event(ctrlr, event);
4034 5 : return 0;
4035 : }
4036 :
4037 1 : req = ctrlr->aer_req[--ctrlr->nr_aer_reqs];
4038 1 : rsp = &req->rsp->nvme_cpl;
4039 :
4040 1 : rsp->cdw0 = event->raw;
4041 :
4042 1 : _nvmf_request_complete(req);
4043 1 : ctrlr->aer_req[ctrlr->nr_aer_reqs] = NULL;
4044 :
4045 1 : return 0;
4046 : }
4047 :
4048 : int
4049 6 : nvmf_ctrlr_async_event_ns_notice(struct spdk_nvmf_ctrlr *ctrlr)
4050 : {
4051 6 : union spdk_nvme_async_event_completion event = {0};
4052 :
4053 : /* Users may disable the event notification */
4054 6 : if (!ctrlr->feat.async_event_configuration.bits.ns_attr_notice) {
4055 0 : return 0;
4056 : }
4057 :
4058 6 : if (!nvmf_ctrlr_mask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGE_MASK_BIT)) {
4059 3 : return 0;
4060 : }
4061 :
4062 3 : event.bits.async_event_type = SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE;
4063 3 : event.bits.async_event_info = SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGED;
4064 3 : event.bits.log_page_identifier = SPDK_NVME_LOG_CHANGED_NS_LIST;
4065 :
4066 3 : return nvmf_ctrlr_async_event_notification(ctrlr, &event);
4067 : }
4068 :
4069 : int
4070 1 : nvmf_ctrlr_async_event_ana_change_notice(struct spdk_nvmf_ctrlr *ctrlr)
4071 : {
4072 1 : union spdk_nvme_async_event_completion event = {0};
4073 :
4074 : /* Users may disable the event notification */
4075 1 : if (!ctrlr->feat.async_event_configuration.bits.ana_change_notice) {
4076 0 : return 0;
4077 : }
4078 :
4079 1 : if (!nvmf_ctrlr_mask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_ANA_CHANGE_MASK_BIT)) {
4080 0 : return 0;
4081 : }
4082 :
4083 1 : event.bits.async_event_type = SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE;
4084 1 : event.bits.async_event_info = SPDK_NVME_ASYNC_EVENT_ANA_CHANGE;
4085 1 : event.bits.log_page_identifier = SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS;
4086 :
4087 1 : return nvmf_ctrlr_async_event_notification(ctrlr, &event);
4088 : }
4089 :
4090 : void
4091 3 : nvmf_ctrlr_async_event_reservation_notification(struct spdk_nvmf_ctrlr *ctrlr)
4092 : {
4093 3 : union spdk_nvme_async_event_completion event = {0};
4094 :
4095 3 : if (!ctrlr->num_avail_log_pages) {
4096 0 : return;
4097 : }
4098 :
4099 3 : if (!nvmf_ctrlr_mask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_RESERVATION_LOG_AVAIL_MASK_BIT)) {
4100 2 : return;
4101 : }
4102 :
4103 1 : event.bits.async_event_type = SPDK_NVME_ASYNC_EVENT_TYPE_IO;
4104 1 : event.bits.async_event_info = SPDK_NVME_ASYNC_EVENT_RESERVATION_LOG_AVAIL;
4105 1 : event.bits.log_page_identifier = SPDK_NVME_LOG_RESERVATION_NOTIFICATION;
4106 :
4107 1 : nvmf_ctrlr_async_event_notification(ctrlr, &event);
4108 : }
4109 :
4110 : void
4111 1 : nvmf_ctrlr_async_event_discovery_log_change_notice(void *ctx)
4112 : {
4113 1 : union spdk_nvme_async_event_completion event = {0};
4114 1 : struct spdk_nvmf_ctrlr *ctrlr = ctx;
4115 :
4116 : /* Users may disable the event notification manually or
4117 : * it may not be enabled due to keep alive timeout
4118 : * not being set in connect command to discovery controller.
4119 : */
4120 1 : if (!ctrlr->feat.async_event_configuration.bits.discovery_log_change_notice) {
4121 0 : return;
4122 : }
4123 :
4124 1 : if (!nvmf_ctrlr_mask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_DISCOVERY_LOG_CHANGE_MASK_BIT)) {
4125 0 : return;
4126 : }
4127 :
4128 1 : event.bits.async_event_type = SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE;
4129 1 : event.bits.async_event_info = SPDK_NVME_ASYNC_EVENT_DISCOVERY_LOG_CHANGE;
4130 1 : event.bits.log_page_identifier = SPDK_NVME_LOG_DISCOVERY;
4131 :
4132 1 : nvmf_ctrlr_async_event_notification(ctrlr, &event);
4133 : }
4134 :
4135 : int
4136 0 : spdk_nvmf_ctrlr_async_event_error_event(struct spdk_nvmf_ctrlr *ctrlr,
4137 : enum spdk_nvme_async_event_info_error info)
4138 : {
4139 0 : union spdk_nvme_async_event_completion event;
4140 :
4141 0 : if (!nvmf_ctrlr_mask_aen(ctrlr, SPDK_NVME_ASYNC_EVENT_ERROR_MASK_BIT)) {
4142 0 : return 0;
4143 : }
4144 :
4145 0 : if (info > SPDK_NVME_ASYNC_EVENT_FW_IMAGE_LOAD) {
4146 0 : return 0;
4147 : }
4148 :
4149 0 : event.bits.async_event_type = SPDK_NVME_ASYNC_EVENT_TYPE_ERROR;
4150 0 : event.bits.log_page_identifier = SPDK_NVME_LOG_ERROR;
4151 0 : event.bits.async_event_info = info;
4152 :
4153 0 : return nvmf_ctrlr_async_event_notification(ctrlr, &event);
4154 : }
4155 :
4156 : void
4157 0 : nvmf_qpair_free_aer(struct spdk_nvmf_qpair *qpair)
4158 : {
4159 0 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
4160 : int i;
4161 :
4162 0 : if (ctrlr == NULL || !nvmf_qpair_is_admin_queue(qpair)) {
4163 0 : return;
4164 : }
4165 :
4166 0 : assert(spdk_get_thread() == ctrlr->thread);
4167 :
4168 0 : for (i = 0; i < ctrlr->nr_aer_reqs; i++) {
4169 0 : spdk_nvmf_request_free(ctrlr->aer_req[i]);
4170 0 : ctrlr->aer_req[i] = NULL;
4171 : }
4172 :
4173 0 : ctrlr->nr_aer_reqs = 0;
4174 : }
4175 :
4176 : void
4177 0 : spdk_nvmf_ctrlr_abort_aer(struct spdk_nvmf_ctrlr *ctrlr)
4178 : {
4179 : struct spdk_nvmf_request *req;
4180 : int i;
4181 :
4182 0 : assert(spdk_get_thread() == ctrlr->thread);
4183 :
4184 0 : if (!ctrlr->nr_aer_reqs) {
4185 0 : return;
4186 : }
4187 :
4188 0 : for (i = 0; i < ctrlr->nr_aer_reqs; i++) {
4189 0 : req = ctrlr->aer_req[i];
4190 :
4191 0 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
4192 0 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_ABORTED_BY_REQUEST;
4193 0 : _nvmf_request_complete(req);
4194 :
4195 0 : ctrlr->aer_req[i] = NULL;
4196 : }
4197 :
4198 0 : ctrlr->nr_aer_reqs = 0;
4199 : }
4200 :
4201 : static void
4202 3 : _nvmf_ctrlr_add_reservation_log(void *ctx)
4203 : {
4204 3 : struct spdk_nvmf_reservation_log *log = (struct spdk_nvmf_reservation_log *)ctx;
4205 3 : struct spdk_nvmf_ctrlr *ctrlr = log->ctrlr;
4206 :
4207 3 : ctrlr->log_page_count++;
4208 :
4209 : /* Maximum number of queued log pages is 255 */
4210 3 : if (ctrlr->num_avail_log_pages == 0xff) {
4211 : struct spdk_nvmf_reservation_log *entry;
4212 0 : entry = TAILQ_LAST(&ctrlr->log_head, log_page_head);
4213 0 : entry->log.log_page_count = ctrlr->log_page_count;
4214 0 : free(log);
4215 0 : return;
4216 : }
4217 :
4218 3 : log->log.log_page_count = ctrlr->log_page_count;
4219 3 : log->log.num_avail_log_pages = ctrlr->num_avail_log_pages++;
4220 3 : TAILQ_INSERT_TAIL(&ctrlr->log_head, log, link);
4221 :
4222 3 : nvmf_ctrlr_async_event_reservation_notification(ctrlr);
4223 : }
4224 :
4225 : void
4226 6 : nvmf_ctrlr_reservation_notice_log(struct spdk_nvmf_ctrlr *ctrlr,
4227 : struct spdk_nvmf_ns *ns,
4228 : enum spdk_nvme_reservation_notification_log_page_type type)
4229 : {
4230 : struct spdk_nvmf_reservation_log *log;
4231 :
4232 6 : switch (type) {
4233 0 : case SPDK_NVME_RESERVATION_LOG_PAGE_EMPTY:
4234 0 : return;
4235 2 : case SPDK_NVME_REGISTRATION_PREEMPTED:
4236 2 : if (ns->mask & SPDK_NVME_REGISTRATION_PREEMPTED_MASK) {
4237 1 : return;
4238 : }
4239 1 : break;
4240 2 : case SPDK_NVME_RESERVATION_RELEASED:
4241 2 : if (ns->mask & SPDK_NVME_RESERVATION_RELEASED_MASK) {
4242 1 : return;
4243 : }
4244 1 : break;
4245 2 : case SPDK_NVME_RESERVATION_PREEMPTED:
4246 2 : if (ns->mask & SPDK_NVME_RESERVATION_PREEMPTED_MASK) {
4247 1 : return;
4248 : }
4249 1 : break;
4250 0 : default:
4251 0 : return;
4252 : }
4253 :
4254 3 : log = calloc(1, sizeof(*log));
4255 3 : if (!log) {
4256 0 : SPDK_ERRLOG("Alloc log page failed, ignore the log\n");
4257 0 : return;
4258 : }
4259 3 : log->ctrlr = ctrlr;
4260 3 : log->log.type = type;
4261 3 : log->log.nsid = ns->nsid;
4262 :
4263 3 : spdk_thread_send_msg(ctrlr->thread, _nvmf_ctrlr_add_reservation_log, log);
4264 : }
4265 :
4266 : /* Check from subsystem poll group's namespace information data structure */
4267 : static bool
4268 28 : nvmf_ns_info_ctrlr_is_registrant(struct spdk_nvmf_subsystem_pg_ns_info *ns_info,
4269 : struct spdk_nvmf_ctrlr *ctrlr)
4270 : {
4271 : uint32_t i;
4272 :
4273 205 : for (i = 0; i < SPDK_NVMF_MAX_NUM_REGISTRANTS; i++) {
4274 195 : if (!spdk_uuid_compare(&ns_info->reg_hostid[i], &ctrlr->hostid)) {
4275 18 : return true;
4276 : }
4277 : }
4278 :
4279 10 : return false;
4280 : }
4281 :
4282 : /*
4283 : * Check the NVMe command is permitted or not for current controller(Host).
4284 : */
4285 : static int
4286 38 : nvmf_ns_reservation_request_check(struct spdk_nvmf_subsystem_pg_ns_info *ns_info,
4287 : struct spdk_nvmf_ctrlr *ctrlr,
4288 : struct spdk_nvmf_request *req)
4289 : {
4290 38 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
4291 38 : enum spdk_nvme_reservation_type rtype = ns_info->rtype;
4292 38 : uint8_t status = SPDK_NVME_SC_SUCCESS;
4293 : uint8_t racqa;
4294 : bool is_registrant;
4295 :
4296 : /* No valid reservation */
4297 38 : if (!rtype) {
4298 10 : return 0;
4299 : }
4300 :
4301 28 : is_registrant = nvmf_ns_info_ctrlr_is_registrant(ns_info, ctrlr);
4302 : /* All registrants type and current ctrlr is a valid registrant */
4303 28 : if ((rtype == SPDK_NVME_RESERVE_WRITE_EXCLUSIVE_ALL_REGS ||
4304 9 : rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_ALL_REGS) && is_registrant) {
4305 5 : return 0;
4306 23 : } else if (!spdk_uuid_compare(&ns_info->holder_id, &ctrlr->hostid)) {
4307 4 : return 0;
4308 : }
4309 :
4310 : /* Non-holder for current controller */
4311 19 : switch (cmd->opc) {
4312 9 : case SPDK_NVME_OPC_READ:
4313 : case SPDK_NVME_OPC_COMPARE:
4314 9 : if (rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS) {
4315 1 : status = SPDK_NVME_SC_RESERVATION_CONFLICT;
4316 1 : goto exit;
4317 : }
4318 8 : if ((rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_REG_ONLY ||
4319 2 : rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_ALL_REGS) && !is_registrant) {
4320 2 : status = SPDK_NVME_SC_RESERVATION_CONFLICT;
4321 : }
4322 8 : break;
4323 9 : case SPDK_NVME_OPC_FLUSH:
4324 : case SPDK_NVME_OPC_WRITE:
4325 : case SPDK_NVME_OPC_WRITE_UNCORRECTABLE:
4326 : case SPDK_NVME_OPC_WRITE_ZEROES:
4327 : case SPDK_NVME_OPC_DATASET_MANAGEMENT:
4328 9 : if (rtype == SPDK_NVME_RESERVE_WRITE_EXCLUSIVE ||
4329 : rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS) {
4330 3 : status = SPDK_NVME_SC_RESERVATION_CONFLICT;
4331 3 : goto exit;
4332 : }
4333 6 : if (!is_registrant) {
4334 4 : status = SPDK_NVME_SC_RESERVATION_CONFLICT;
4335 : }
4336 6 : break;
4337 0 : case SPDK_NVME_OPC_RESERVATION_ACQUIRE:
4338 0 : racqa = cmd->cdw10_bits.resv_acquire.racqa;
4339 0 : if (racqa == SPDK_NVME_RESERVE_ACQUIRE) {
4340 0 : status = SPDK_NVME_SC_RESERVATION_CONFLICT;
4341 0 : goto exit;
4342 : }
4343 0 : if (!is_registrant) {
4344 0 : status = SPDK_NVME_SC_RESERVATION_CONFLICT;
4345 : }
4346 0 : break;
4347 1 : case SPDK_NVME_OPC_RESERVATION_RELEASE:
4348 1 : if (!is_registrant) {
4349 0 : status = SPDK_NVME_SC_RESERVATION_CONFLICT;
4350 : }
4351 1 : break;
4352 0 : default:
4353 0 : break;
4354 : }
4355 :
4356 19 : exit:
4357 19 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
4358 19 : req->rsp->nvme_cpl.status.sc = status;
4359 19 : if (status == SPDK_NVME_SC_RESERVATION_CONFLICT) {
4360 10 : return -EPERM;
4361 : }
4362 :
4363 9 : return 0;
4364 : }
4365 :
4366 : static int
4367 6 : nvmf_ctrlr_process_io_fused_cmd(struct spdk_nvmf_request *req, struct spdk_bdev *bdev,
4368 : struct spdk_bdev_desc *desc, struct spdk_io_channel *ch)
4369 : {
4370 6 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
4371 6 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
4372 6 : struct spdk_nvmf_request *first_fused_req = req->qpair->first_fused_req;
4373 : int rc;
4374 :
4375 6 : if (cmd->fuse == SPDK_NVME_CMD_FUSE_FIRST) {
4376 : /* first fused operation (should be compare) */
4377 3 : if (first_fused_req != NULL) {
4378 0 : struct spdk_nvme_cpl *fused_response = &first_fused_req->rsp->nvme_cpl;
4379 :
4380 0 : SPDK_ERRLOG("Wrong sequence of fused operations\n");
4381 :
4382 : /* abort req->qpair->first_fused_request and continue with new fused command */
4383 0 : fused_response->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED;
4384 0 : fused_response->status.sct = SPDK_NVME_SCT_GENERIC;
4385 0 : _nvmf_request_complete(first_fused_req);
4386 3 : } else if (cmd->opc != SPDK_NVME_OPC_COMPARE) {
4387 1 : SPDK_ERRLOG("Wrong op code of fused operations\n");
4388 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
4389 1 : rsp->status.sc = SPDK_NVME_SC_INVALID_OPCODE;
4390 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4391 : }
4392 :
4393 2 : req->qpair->first_fused_req = req;
4394 2 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
4395 3 : } else if (cmd->fuse == SPDK_NVME_CMD_FUSE_SECOND) {
4396 : /* second fused operation (should be write) */
4397 3 : if (first_fused_req == NULL) {
4398 1 : SPDK_ERRLOG("Wrong sequence of fused operations\n");
4399 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
4400 1 : rsp->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED;
4401 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4402 2 : } else if (cmd->opc != SPDK_NVME_OPC_WRITE) {
4403 1 : struct spdk_nvme_cpl *fused_response = &first_fused_req->rsp->nvme_cpl;
4404 :
4405 1 : SPDK_ERRLOG("Wrong op code of fused operations\n");
4406 :
4407 : /* abort req->qpair->first_fused_request and fail current command */
4408 1 : fused_response->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED;
4409 1 : fused_response->status.sct = SPDK_NVME_SCT_GENERIC;
4410 1 : _nvmf_request_complete(first_fused_req);
4411 :
4412 1 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
4413 1 : rsp->status.sc = SPDK_NVME_SC_INVALID_OPCODE;
4414 1 : req->qpair->first_fused_req = NULL;
4415 1 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4416 : }
4417 :
4418 : /* save request of first command to generate response later */
4419 1 : req->first_fused_req = first_fused_req;
4420 1 : req->first_fused = true;
4421 1 : req->qpair->first_fused_req = NULL;
4422 : } else {
4423 0 : SPDK_ERRLOG("Invalid fused command fuse field.\n");
4424 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
4425 0 : rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD;
4426 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4427 : }
4428 :
4429 1 : rc = nvmf_bdev_ctrlr_compare_and_write_cmd(bdev, desc, ch, req->first_fused_req, req);
4430 :
4431 1 : if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
4432 1 : if (spdk_nvme_cpl_is_error(rsp)) {
4433 0 : struct spdk_nvme_cpl *fused_response = &first_fused_req->rsp->nvme_cpl;
4434 :
4435 0 : fused_response->status = rsp->status;
4436 0 : rsp->status.sct = SPDK_NVME_SCT_GENERIC;
4437 0 : rsp->status.sc = SPDK_NVME_SC_ABORTED_FAILED_FUSED;
4438 : /* Complete first of fused commands. Second will be completed by upper layer */
4439 0 : _nvmf_request_complete(first_fused_req);
4440 0 : req->first_fused_req = NULL;
4441 0 : req->first_fused = false;
4442 : }
4443 : }
4444 :
4445 1 : return rc;
4446 : }
4447 :
4448 : bool
4449 271 : nvmf_ctrlr_use_zcopy(struct spdk_nvmf_request *req)
4450 : {
4451 271 : struct spdk_nvmf_transport *transport = req->qpair->transport;
4452 : struct spdk_nvmf_ns *ns;
4453 :
4454 271 : assert(req->zcopy_phase == NVMF_ZCOPY_PHASE_NONE);
4455 :
4456 271 : if (!transport->opts.zcopy) {
4457 3 : return false;
4458 : }
4459 :
4460 268 : if (nvmf_qpair_is_admin_queue(req->qpair)) {
4461 : /* Admin queue */
4462 1 : return false;
4463 : }
4464 :
4465 267 : if ((req->cmd->nvme_cmd.opc != SPDK_NVME_OPC_WRITE) &&
4466 262 : (req->cmd->nvme_cmd.opc != SPDK_NVME_OPC_READ)) {
4467 : /* Not a READ or WRITE command */
4468 254 : return false;
4469 : }
4470 :
4471 13 : if (req->cmd->nvme_cmd.fuse != SPDK_NVME_CMD_FUSE_NONE) {
4472 : /* Fused commands dont use zcopy buffers */
4473 1 : return false;
4474 : }
4475 :
4476 12 : ns = nvmf_ctrlr_get_ns(req->qpair->ctrlr, req->cmd->nvme_cmd.nsid);
4477 12 : if (ns == NULL || ns->bdev == NULL || !ns->zcopy) {
4478 2 : return false;
4479 : }
4480 :
4481 10 : req->zcopy_phase = NVMF_ZCOPY_PHASE_INIT;
4482 10 : return true;
4483 : }
4484 :
4485 : void
4486 9 : spdk_nvmf_request_zcopy_start(struct spdk_nvmf_request *req)
4487 : {
4488 9 : assert(req->zcopy_phase == NVMF_ZCOPY_PHASE_INIT);
4489 :
4490 : /* Set iovcnt to be the maximum number of iovs that the ZCOPY can use */
4491 9 : req->iovcnt = NVMF_REQ_MAX_BUFFERS;
4492 :
4493 9 : spdk_nvmf_request_exec(req);
4494 9 : }
4495 :
4496 : void
4497 2 : spdk_nvmf_request_zcopy_end(struct spdk_nvmf_request *req, bool commit)
4498 : {
4499 2 : assert(req->zcopy_phase == NVMF_ZCOPY_PHASE_EXECUTE);
4500 2 : req->zcopy_phase = NVMF_ZCOPY_PHASE_END_PENDING;
4501 :
4502 2 : nvmf_bdev_ctrlr_zcopy_end(req, commit);
4503 2 : }
4504 :
4505 : int
4506 10 : nvmf_ctrlr_process_io_cmd(struct spdk_nvmf_request *req)
4507 : {
4508 : uint32_t nsid;
4509 : struct spdk_nvmf_ns *ns;
4510 : struct spdk_bdev *bdev;
4511 : struct spdk_bdev_desc *desc;
4512 : struct spdk_io_channel *ch;
4513 10 : struct spdk_nvmf_qpair *qpair = req->qpair;
4514 10 : struct spdk_nvmf_poll_group *group = qpair->group;
4515 10 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
4516 10 : struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
4517 10 : struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
4518 : struct spdk_nvmf_subsystem_pg_ns_info *ns_info;
4519 : enum spdk_nvme_ana_state ana_state;
4520 :
4521 : /* pre-set response details for this command */
4522 10 : response->status.sc = SPDK_NVME_SC_SUCCESS;
4523 10 : nsid = cmd->nsid;
4524 :
4525 10 : assert(ctrlr != NULL);
4526 10 : if (spdk_unlikely(ctrlr->vcprop.cc.bits.en != 1)) {
4527 0 : SPDK_ERRLOG("I/O command sent to disabled controller\n");
4528 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
4529 0 : response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
4530 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4531 : }
4532 :
4533 10 : ns = nvmf_ctrlr_get_ns(ctrlr, nsid);
4534 10 : if (spdk_unlikely(ns == NULL || ns->bdev == NULL)) {
4535 0 : SPDK_DEBUGLOG(nvmf, "Unsuccessful query for nsid %u\n", cmd->nsid);
4536 0 : response->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
4537 0 : response->status.dnr = 1;
4538 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4539 : }
4540 :
4541 10 : ana_state = nvmf_ctrlr_get_ana_state(ctrlr, ns->anagrpid);
4542 10 : if (spdk_unlikely(ana_state != SPDK_NVME_ANA_OPTIMIZED_STATE &&
4543 : ana_state != SPDK_NVME_ANA_NON_OPTIMIZED_STATE)) {
4544 0 : SPDK_DEBUGLOG(nvmf, "Fail I/O command due to ANA state %d\n",
4545 : ana_state);
4546 0 : response->status.sct = SPDK_NVME_SCT_PATH;
4547 0 : response->status.sc = _nvme_ana_state_to_path_status(ana_state);
4548 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4549 : }
4550 :
4551 10 : if (spdk_likely(ctrlr->listener != NULL)) {
4552 : SPDK_DTRACE_PROBE3_TICKS(nvmf_request_io_exec_path, req,
4553 : ctrlr->listener->trid->traddr,
4554 : ctrlr->listener->trid->trsvcid);
4555 : }
4556 :
4557 : /* scan-build falsely reporting dereference of null pointer */
4558 10 : assert(group != NULL && group->sgroups != NULL);
4559 10 : ns_info = &group->sgroups[ctrlr->subsys->id].ns_info[nsid - 1];
4560 10 : if (nvmf_ns_reservation_request_check(ns_info, ctrlr, req)) {
4561 0 : SPDK_DEBUGLOG(nvmf, "Reservation Conflict for nsid %u, opcode %u\n",
4562 : cmd->nsid, cmd->opc);
4563 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4564 : }
4565 :
4566 10 : bdev = ns->bdev;
4567 10 : desc = ns->desc;
4568 10 : ch = ns_info->channel;
4569 :
4570 10 : if (spdk_unlikely(cmd->fuse & SPDK_NVME_CMD_FUSE_MASK)) {
4571 6 : return nvmf_ctrlr_process_io_fused_cmd(req, bdev, desc, ch);
4572 4 : } else if (spdk_unlikely(qpair->first_fused_req != NULL)) {
4573 0 : struct spdk_nvme_cpl *fused_response = &qpair->first_fused_req->rsp->nvme_cpl;
4574 :
4575 0 : SPDK_ERRLOG("Second fused cmd expected - failing first one (cntlid:%u, qid:%u, opcode:0x%x)\n",
4576 : ctrlr->cntlid, qpair->qid,
4577 : req->qpair->first_fused_req->cmd->nvmf_cmd.opcode);
4578 :
4579 : /* abort qpair->first_fused_request and continue with new command */
4580 0 : fused_response->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED;
4581 0 : fused_response->status.sct = SPDK_NVME_SCT_GENERIC;
4582 0 : _nvmf_request_complete(qpair->first_fused_req);
4583 0 : qpair->first_fused_req = NULL;
4584 : }
4585 :
4586 4 : if (ctrlr->subsys->passthrough) {
4587 0 : assert(ns->passthru_nsid > 0);
4588 0 : req->cmd->nvme_cmd.nsid = ns->passthru_nsid;
4589 :
4590 0 : return nvmf_bdev_ctrlr_nvme_passthru_io(bdev, desc, ch, req);
4591 : }
4592 :
4593 4 : if (spdk_nvmf_request_using_zcopy(req)) {
4594 4 : assert(req->zcopy_phase == NVMF_ZCOPY_PHASE_INIT);
4595 4 : return nvmf_bdev_ctrlr_zcopy_start(bdev, desc, ch, req);
4596 : } else {
4597 0 : switch (cmd->opc) {
4598 0 : case SPDK_NVME_OPC_READ:
4599 0 : return nvmf_bdev_ctrlr_read_cmd(bdev, desc, ch, req);
4600 0 : case SPDK_NVME_OPC_WRITE:
4601 0 : return nvmf_bdev_ctrlr_write_cmd(bdev, desc, ch, req);
4602 0 : case SPDK_NVME_OPC_FLUSH:
4603 0 : return nvmf_bdev_ctrlr_flush_cmd(bdev, desc, ch, req);
4604 0 : case SPDK_NVME_OPC_COMPARE:
4605 0 : if (spdk_unlikely(!ctrlr->cdata.oncs.compare)) {
4606 0 : goto invalid_opcode;
4607 : }
4608 0 : return nvmf_bdev_ctrlr_compare_cmd(bdev, desc, ch, req);
4609 0 : case SPDK_NVME_OPC_WRITE_ZEROES:
4610 0 : if (spdk_unlikely(!ctrlr->cdata.oncs.write_zeroes)) {
4611 0 : goto invalid_opcode;
4612 : }
4613 0 : return nvmf_bdev_ctrlr_write_zeroes_cmd(bdev, desc, ch, req);
4614 0 : case SPDK_NVME_OPC_DATASET_MANAGEMENT:
4615 0 : if (spdk_unlikely(!ctrlr->cdata.oncs.dsm)) {
4616 0 : goto invalid_opcode;
4617 : }
4618 0 : return nvmf_bdev_ctrlr_dsm_cmd(bdev, desc, ch, req);
4619 0 : case SPDK_NVME_OPC_RESERVATION_REGISTER:
4620 : case SPDK_NVME_OPC_RESERVATION_ACQUIRE:
4621 : case SPDK_NVME_OPC_RESERVATION_RELEASE:
4622 : case SPDK_NVME_OPC_RESERVATION_REPORT:
4623 0 : if (spdk_unlikely(!ctrlr->cdata.oncs.reservations)) {
4624 0 : goto invalid_opcode;
4625 : }
4626 0 : spdk_thread_send_msg(ctrlr->subsys->thread, nvmf_ns_reservation_request, req);
4627 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS;
4628 0 : case SPDK_NVME_OPC_COPY:
4629 0 : if (spdk_unlikely(!ctrlr->cdata.oncs.copy)) {
4630 0 : goto invalid_opcode;
4631 : }
4632 0 : return nvmf_bdev_ctrlr_copy_cmd(bdev, desc, ch, req);
4633 0 : default:
4634 0 : if (spdk_unlikely(qpair->transport->opts.disable_command_passthru)) {
4635 0 : goto invalid_opcode;
4636 : }
4637 0 : if (ns->passthru_nsid) {
4638 0 : req->cmd->nvme_cmd.nsid = ns->passthru_nsid;
4639 : }
4640 0 : return nvmf_bdev_ctrlr_nvme_passthru_io(bdev, desc, ch, req);
4641 : }
4642 : }
4643 0 : invalid_opcode:
4644 0 : SPDK_INFOLOG(nvmf, "Unsupported IO opcode 0x%x\n", cmd->opc);
4645 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
4646 0 : response->status.sc = SPDK_NVME_SC_INVALID_OPCODE;
4647 0 : response->status.dnr = 1;
4648 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
4649 : }
4650 :
4651 : static void
4652 40 : nvmf_qpair_request_cleanup(struct spdk_nvmf_qpair *qpair)
4653 : {
4654 40 : if (spdk_unlikely(qpair->state == SPDK_NVMF_QPAIR_DEACTIVATING)) {
4655 2 : assert(qpair->state_cb != NULL);
4656 :
4657 2 : if (TAILQ_EMPTY(&qpair->outstanding)) {
4658 2 : qpair->state_cb(qpair->state_cb_arg, 0);
4659 : }
4660 : }
4661 40 : }
4662 :
4663 : int
4664 0 : spdk_nvmf_request_free(struct spdk_nvmf_request *req)
4665 : {
4666 0 : struct spdk_nvmf_qpair *qpair = req->qpair;
4667 :
4668 0 : TAILQ_REMOVE(&qpair->outstanding, req, link);
4669 0 : if (spdk_unlikely(nvmf_transport_req_free(req))) {
4670 0 : SPDK_ERRLOG("Unable to free transport level request resources.\n");
4671 : }
4672 :
4673 0 : nvmf_qpair_request_cleanup(qpair);
4674 :
4675 0 : return 0;
4676 : }
4677 :
4678 : static void
4679 40 : _nvmf_request_complete(void *ctx)
4680 : {
4681 40 : struct spdk_nvmf_request *req = ctx;
4682 40 : struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
4683 : struct spdk_nvmf_qpair *qpair;
4684 40 : struct spdk_nvmf_subsystem_poll_group *sgroup = NULL;
4685 : struct spdk_nvmf_subsystem_pg_ns_info *ns_info;
4686 40 : bool is_aer = false;
4687 : uint32_t nsid;
4688 : bool paused;
4689 : uint8_t opcode;
4690 :
4691 40 : rsp->sqid = 0;
4692 40 : rsp->status.p = 0;
4693 40 : rsp->cid = req->cmd->nvme_cmd.cid;
4694 40 : nsid = req->cmd->nvme_cmd.nsid;
4695 40 : opcode = req->cmd->nvmf_cmd.opcode;
4696 :
4697 40 : qpair = req->qpair;
4698 40 : if (spdk_likely(qpair->ctrlr)) {
4699 23 : sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id];
4700 23 : assert(sgroup != NULL);
4701 23 : is_aer = req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_ASYNC_EVENT_REQUEST;
4702 23 : if (spdk_likely(qpair->qid != 0)) {
4703 16 : qpair->group->stat.completed_nvme_io++;
4704 : }
4705 :
4706 : /*
4707 : * Set the crd value.
4708 : * If the the IO has any error, and dnr (DoNotRetry) is not 1,
4709 : * and ACRE is enabled, we will set the crd to 1 to select the first CRDT.
4710 : */
4711 23 : if (spdk_unlikely(spdk_nvme_cpl_is_error(rsp) &&
4712 : rsp->status.dnr == 0 &&
4713 : qpair->ctrlr->acre_enabled)) {
4714 0 : rsp->status.crd = 1;
4715 : }
4716 17 : } else if (spdk_unlikely(nvmf_request_is_fabric_connect(req))) {
4717 9 : sgroup = nvmf_subsystem_pg_from_connect_cmd(req);
4718 : }
4719 :
4720 40 : if (SPDK_DEBUGLOG_FLAG_ENABLED("nvmf")) {
4721 0 : spdk_nvme_print_completion(qpair->qid, rsp);
4722 : }
4723 :
4724 40 : switch (req->zcopy_phase) {
4725 30 : case NVMF_ZCOPY_PHASE_NONE:
4726 30 : TAILQ_REMOVE(&qpair->outstanding, req, link);
4727 30 : break;
4728 8 : case NVMF_ZCOPY_PHASE_INIT:
4729 8 : if (spdk_unlikely(spdk_nvme_cpl_is_error(rsp))) {
4730 5 : req->zcopy_phase = NVMF_ZCOPY_PHASE_INIT_FAILED;
4731 5 : TAILQ_REMOVE(&qpair->outstanding, req, link);
4732 : } else {
4733 3 : req->zcopy_phase = NVMF_ZCOPY_PHASE_EXECUTE;
4734 : }
4735 8 : break;
4736 0 : case NVMF_ZCOPY_PHASE_EXECUTE:
4737 0 : break;
4738 2 : case NVMF_ZCOPY_PHASE_END_PENDING:
4739 2 : TAILQ_REMOVE(&qpair->outstanding, req, link);
4740 2 : req->zcopy_phase = NVMF_ZCOPY_PHASE_COMPLETE;
4741 2 : break;
4742 0 : default:
4743 0 : SPDK_ERRLOG("Invalid ZCOPY phase %u\n", req->zcopy_phase);
4744 0 : break;
4745 : }
4746 :
4747 40 : if (spdk_unlikely(nvmf_transport_req_complete(req))) {
4748 0 : SPDK_ERRLOG("Transport request completion error!\n");
4749 : }
4750 :
4751 : /* AER cmd is an exception */
4752 40 : if (spdk_likely(sgroup && !is_aer)) {
4753 30 : if (spdk_unlikely(opcode == SPDK_NVME_OPC_FABRIC ||
4754 : nvmf_qpair_is_admin_queue(qpair))) {
4755 16 : assert(sgroup->mgmt_io_outstanding > 0);
4756 16 : sgroup->mgmt_io_outstanding--;
4757 : } else {
4758 14 : if (req->zcopy_phase == NVMF_ZCOPY_PHASE_NONE ||
4759 9 : req->zcopy_phase == NVMF_ZCOPY_PHASE_COMPLETE ||
4760 7 : req->zcopy_phase == NVMF_ZCOPY_PHASE_INIT_FAILED) {
4761 : /* End of request */
4762 :
4763 : /* NOTE: This implicitly also checks for 0, since 0 - 1 wraps around to UINT32_MAX. */
4764 11 : if (spdk_likely(nsid - 1 < sgroup->num_ns)) {
4765 10 : sgroup->ns_info[nsid - 1].io_outstanding--;
4766 : }
4767 : }
4768 : }
4769 :
4770 30 : if (spdk_unlikely(sgroup->state == SPDK_NVMF_SUBSYSTEM_PAUSING &&
4771 : sgroup->mgmt_io_outstanding == 0)) {
4772 0 : paused = true;
4773 0 : for (nsid = 0; nsid < sgroup->num_ns; nsid++) {
4774 0 : ns_info = &sgroup->ns_info[nsid];
4775 :
4776 0 : if (ns_info->state == SPDK_NVMF_SUBSYSTEM_PAUSING &&
4777 0 : ns_info->io_outstanding > 0) {
4778 0 : paused = false;
4779 0 : break;
4780 : }
4781 : }
4782 :
4783 0 : if (paused) {
4784 0 : sgroup->state = SPDK_NVMF_SUBSYSTEM_PAUSED;
4785 0 : sgroup->cb_fn(sgroup->cb_arg, 0);
4786 0 : sgroup->cb_fn = NULL;
4787 0 : sgroup->cb_arg = NULL;
4788 : }
4789 : }
4790 :
4791 : }
4792 :
4793 40 : nvmf_qpair_request_cleanup(qpair);
4794 40 : }
4795 :
4796 : int
4797 18 : spdk_nvmf_request_complete(struct spdk_nvmf_request *req)
4798 : {
4799 18 : struct spdk_nvmf_qpair *qpair = req->qpair;
4800 :
4801 18 : spdk_thread_exec_msg(qpair->group->thread, _nvmf_request_complete, req);
4802 :
4803 18 : return 0;
4804 : }
4805 :
4806 : static bool
4807 15 : nvmf_check_subsystem_active(struct spdk_nvmf_request *req)
4808 : {
4809 15 : struct spdk_nvmf_qpair *qpair = req->qpair;
4810 15 : struct spdk_nvmf_subsystem_poll_group *sgroup = NULL;
4811 : struct spdk_nvmf_subsystem_pg_ns_info *ns_info;
4812 : uint32_t nsid;
4813 :
4814 15 : if (spdk_likely(qpair->ctrlr)) {
4815 14 : sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id];
4816 14 : assert(sgroup != NULL);
4817 1 : } else if (spdk_unlikely(nvmf_request_is_fabric_connect(req))) {
4818 0 : sgroup = nvmf_subsystem_pg_from_connect_cmd(req);
4819 : }
4820 :
4821 : /* Check if the subsystem is paused (if there is a subsystem) */
4822 15 : if (spdk_unlikely(sgroup == NULL)) {
4823 1 : return true;
4824 : }
4825 :
4826 14 : if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC ||
4827 : nvmf_qpair_is_admin_queue(qpair))) {
4828 0 : if (sgroup->state != SPDK_NVMF_SUBSYSTEM_ACTIVE) {
4829 : /* The subsystem is not currently active. Queue this request. */
4830 0 : TAILQ_INSERT_TAIL(&sgroup->queued, req, link);
4831 0 : return false;
4832 : }
4833 0 : sgroup->mgmt_io_outstanding++;
4834 : } else {
4835 14 : nsid = req->cmd->nvme_cmd.nsid;
4836 :
4837 : /* NOTE: This implicitly also checks for 0, since 0 - 1 wraps around to UINT32_MAX. */
4838 14 : if (spdk_unlikely(nsid - 1 >= sgroup->num_ns)) {
4839 1 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
4840 1 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
4841 1 : req->rsp->nvme_cpl.status.dnr = 1;
4842 1 : TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);
4843 1 : _nvmf_request_complete(req);
4844 1 : return false;
4845 : }
4846 :
4847 13 : ns_info = &sgroup->ns_info[nsid - 1];
4848 13 : if (spdk_unlikely(ns_info->channel == NULL)) {
4849 : /* This can can happen if host sends I/O to a namespace that is
4850 : * in the process of being added, but before the full addition
4851 : * process is complete. Report invalid namespace in that case.
4852 : */
4853 1 : req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC;
4854 1 : req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
4855 1 : req->rsp->nvme_cpl.status.dnr = 1;
4856 1 : TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);
4857 1 : ns_info->io_outstanding++;
4858 1 : _nvmf_request_complete(req);
4859 1 : return false;
4860 : }
4861 :
4862 12 : if (spdk_unlikely(ns_info->state != SPDK_NVMF_SUBSYSTEM_ACTIVE)) {
4863 : /* The namespace is not currently active. Queue this request. */
4864 1 : TAILQ_INSERT_TAIL(&sgroup->queued, req, link);
4865 1 : return false;
4866 : }
4867 :
4868 11 : ns_info->io_outstanding++;
4869 : }
4870 :
4871 11 : return true;
4872 : }
4873 :
4874 : static bool
4875 22 : nvmf_check_qpair_active(struct spdk_nvmf_request *req)
4876 : {
4877 22 : struct spdk_nvmf_qpair *qpair = req->qpair;
4878 : int sc, sct;
4879 :
4880 22 : if (spdk_likely(qpair->state == SPDK_NVMF_QPAIR_ENABLED)) {
4881 11 : return true;
4882 : }
4883 :
4884 11 : sct = SPDK_NVME_SCT_GENERIC;
4885 11 : sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
4886 :
4887 11 : switch (qpair->state) {
4888 4 : case SPDK_NVMF_QPAIR_CONNECTING:
4889 4 : if (req->cmd->nvmf_cmd.opcode != SPDK_NVME_OPC_FABRIC) {
4890 3 : SPDK_ERRLOG("Received command 0x%x on qid %u before CONNECT\n",
4891 : req->cmd->nvmf_cmd.opcode, qpair->qid);
4892 3 : break;
4893 : }
4894 1 : if (req->cmd->nvmf_cmd.fctype != SPDK_NVMF_FABRIC_COMMAND_CONNECT) {
4895 0 : SPDK_ERRLOG("Received fctype 0x%x on qid %u before CONNECT\n",
4896 : req->cmd->nvmf_cmd.fctype, qpair->qid);
4897 0 : break;
4898 : }
4899 1 : return true;
4900 3 : case SPDK_NVMF_QPAIR_AUTHENTICATING:
4901 3 : sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
4902 3 : sc = SPDK_NVMF_FABRIC_SC_AUTH_REQUIRED;
4903 3 : if (req->cmd->nvmf_cmd.opcode != SPDK_NVME_OPC_FABRIC) {
4904 1 : SPDK_ERRLOG("Received command 0x%x on qid %u before authentication\n",
4905 : req->cmd->nvmf_cmd.opcode, qpair->qid);
4906 1 : break;
4907 : }
4908 2 : if (req->cmd->nvmf_cmd.fctype != SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_SEND &&
4909 1 : req->cmd->nvmf_cmd.fctype != SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_RECV) {
4910 0 : SPDK_ERRLOG("Received fctype 0x%x on qid %u before authentication\n",
4911 : req->cmd->nvmf_cmd.fctype, qpair->qid);
4912 0 : break;
4913 : }
4914 2 : return true;
4915 4 : default:
4916 4 : SPDK_ERRLOG("Received command 0x%x on qid %u in state %d\n",
4917 : req->cmd->nvmf_cmd.opcode, qpair->qid, qpair->state);
4918 4 : break;
4919 : }
4920 :
4921 8 : req->rsp->nvme_cpl.status.sct = sct;
4922 8 : req->rsp->nvme_cpl.status.sc = sc;
4923 8 : TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);
4924 8 : _nvmf_request_complete(req);
4925 :
4926 8 : return false;
4927 : }
4928 :
4929 : void
4930 15 : spdk_nvmf_request_exec(struct spdk_nvmf_request *req)
4931 : {
4932 15 : struct spdk_nvmf_qpair *qpair = req->qpair;
4933 : enum spdk_nvmf_request_exec_status status;
4934 :
4935 15 : if (spdk_unlikely(!nvmf_check_subsystem_active(req))) {
4936 3 : return;
4937 : }
4938 12 : if (spdk_unlikely(!nvmf_check_qpair_active(req))) {
4939 2 : return;
4940 : }
4941 :
4942 10 : if (SPDK_DEBUGLOG_FLAG_ENABLED("nvmf")) {
4943 0 : spdk_nvme_print_command(qpair->qid, &req->cmd->nvme_cmd);
4944 : }
4945 :
4946 : /* Place the request on the outstanding list so we can keep track of it */
4947 10 : TAILQ_INSERT_TAIL(&qpair->outstanding, req, link);
4948 :
4949 10 : if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) {
4950 0 : status = nvmf_ctrlr_process_fabrics_cmd(req);
4951 10 : } else if (spdk_unlikely(nvmf_qpair_is_admin_queue(qpair))) {
4952 0 : status = nvmf_ctrlr_process_admin_cmd(req);
4953 : } else {
4954 10 : status = nvmf_ctrlr_process_io_cmd(req);
4955 : }
4956 :
4957 10 : if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) {
4958 8 : _nvmf_request_complete(req);
4959 : }
4960 : }
4961 :
4962 : static bool
4963 4 : nvmf_ctrlr_get_dif_ctx(struct spdk_nvmf_ctrlr *ctrlr, struct spdk_nvme_cmd *cmd,
4964 : struct spdk_dif_ctx *dif_ctx)
4965 : {
4966 : struct spdk_nvmf_ns *ns;
4967 : struct spdk_bdev_desc *desc;
4968 :
4969 4 : if (ctrlr == NULL || cmd == NULL) {
4970 0 : return false;
4971 : }
4972 :
4973 4 : ns = nvmf_ctrlr_get_ns(ctrlr, cmd->nsid);
4974 4 : if (ns == NULL || ns->bdev == NULL) {
4975 2 : return false;
4976 : }
4977 :
4978 2 : desc = ns->desc;
4979 :
4980 2 : switch (cmd->opc) {
4981 1 : case SPDK_NVME_OPC_READ:
4982 : case SPDK_NVME_OPC_WRITE:
4983 : case SPDK_NVME_OPC_COMPARE:
4984 1 : return nvmf_bdev_ctrlr_get_dif_ctx(desc, cmd, dif_ctx);
4985 1 : default:
4986 1 : break;
4987 : }
4988 :
4989 1 : return false;
4990 : }
4991 :
4992 : bool
4993 12 : spdk_nvmf_request_get_dif_ctx(struct spdk_nvmf_request *req, struct spdk_dif_ctx *dif_ctx)
4994 : {
4995 12 : struct spdk_nvmf_qpair *qpair = req->qpair;
4996 12 : struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr;
4997 :
4998 12 : if (spdk_likely(ctrlr == NULL || !ctrlr->dif_insert_or_strip)) {
4999 5 : return false;
5000 : }
5001 :
5002 7 : if (spdk_unlikely(!spdk_nvmf_qpair_is_active(qpair))) {
5003 1 : return false;
5004 : }
5005 :
5006 6 : if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) {
5007 1 : return false;
5008 : }
5009 :
5010 5 : if (spdk_unlikely(nvmf_qpair_is_admin_queue(qpair))) {
5011 1 : return false;
5012 : }
5013 :
5014 4 : return nvmf_ctrlr_get_dif_ctx(ctrlr, &req->cmd->nvme_cmd, dif_ctx);
5015 : }
5016 :
5017 : void
5018 1 : spdk_nvmf_set_custom_admin_cmd_hdlr(uint8_t opc, spdk_nvmf_custom_cmd_hdlr hdlr)
5019 : {
5020 1 : g_nvmf_custom_admin_cmd_hdlrs[opc].hdlr = hdlr;
5021 1 : }
5022 :
5023 : static int
5024 0 : nvmf_passthru_admin_cmd_for_bdev_nsid(struct spdk_nvmf_request *req, uint32_t bdev_nsid)
5025 : {
5026 0 : struct spdk_bdev *bdev;
5027 0 : struct spdk_bdev_desc *desc;
5028 0 : struct spdk_io_channel *ch;
5029 : struct spdk_nvmf_ns *ns;
5030 : struct spdk_nvmf_ctrlr *ctrlr;
5031 0 : struct spdk_nvme_cpl *response = spdk_nvmf_request_get_response(req);
5032 : int rc;
5033 :
5034 0 : rc = spdk_nvmf_request_get_bdev(bdev_nsid, req, &bdev, &desc, &ch);
5035 0 : if (rc) {
5036 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
5037 0 : response->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
5038 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
5039 : }
5040 :
5041 0 : ctrlr = req->qpair->ctrlr;
5042 0 : ns = nvmf_ctrlr_get_ns(ctrlr, bdev_nsid);
5043 :
5044 0 : if (ns->passthru_nsid) {
5045 0 : req->cmd->nvme_cmd.nsid = ns->passthru_nsid;
5046 : }
5047 :
5048 0 : return spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(bdev, desc, ch, req, NULL);
5049 : }
5050 :
5051 : static int
5052 0 : nvmf_passthru_admin_cmd(struct spdk_nvmf_request *req)
5053 : {
5054 0 : struct spdk_nvme_cmd *cmd = spdk_nvmf_request_get_cmd(req);
5055 : uint32_t bdev_nsid;
5056 :
5057 0 : if (g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].nsid != 0) {
5058 0 : bdev_nsid = g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].nsid;
5059 : } else {
5060 0 : bdev_nsid = cmd->nsid;
5061 : }
5062 :
5063 0 : return nvmf_passthru_admin_cmd_for_bdev_nsid(req, bdev_nsid);
5064 : }
5065 :
5066 : int
5067 0 : nvmf_passthru_admin_cmd_for_ctrlr(struct spdk_nvmf_request *req, struct spdk_nvmf_ctrlr *ctrlr)
5068 : {
5069 0 : struct spdk_nvme_cpl *response = spdk_nvmf_request_get_response(req);
5070 : struct spdk_nvmf_ns *ns;
5071 :
5072 0 : ns = spdk_nvmf_subsystem_get_first_ns(ctrlr->subsys);
5073 0 : if (ns == NULL) {
5074 : /* Is there a better sc to use here? */
5075 0 : response->status.sct = SPDK_NVME_SCT_GENERIC;
5076 0 : response->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT;
5077 0 : return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
5078 : }
5079 :
5080 0 : return nvmf_passthru_admin_cmd_for_bdev_nsid(req, ns->nsid);
5081 : }
5082 :
5083 : void
5084 0 : spdk_nvmf_set_passthru_admin_cmd(uint8_t opc, uint32_t forward_nsid)
5085 : {
5086 0 : g_nvmf_custom_admin_cmd_hdlrs[opc].hdlr = nvmf_passthru_admin_cmd;
5087 0 : g_nvmf_custom_admin_cmd_hdlrs[opc].nsid = forward_nsid;
5088 0 : }
5089 :
5090 : int
5091 0 : spdk_nvmf_request_get_bdev(uint32_t nsid, struct spdk_nvmf_request *req,
5092 : struct spdk_bdev **bdev, struct spdk_bdev_desc **desc, struct spdk_io_channel **ch)
5093 : {
5094 0 : struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
5095 : struct spdk_nvmf_ns *ns;
5096 0 : struct spdk_nvmf_poll_group *group = req->qpair->group;
5097 : struct spdk_nvmf_subsystem_pg_ns_info *ns_info;
5098 :
5099 0 : *bdev = NULL;
5100 0 : *desc = NULL;
5101 0 : *ch = NULL;
5102 :
5103 0 : ns = nvmf_ctrlr_get_ns(ctrlr, nsid);
5104 0 : if (ns == NULL || ns->bdev == NULL) {
5105 0 : return -EINVAL;
5106 : }
5107 :
5108 0 : assert(group != NULL && group->sgroups != NULL);
5109 0 : ns_info = &group->sgroups[ctrlr->subsys->id].ns_info[nsid - 1];
5110 0 : *bdev = ns->bdev;
5111 0 : *desc = ns->desc;
5112 0 : *ch = ns_info->channel;
5113 :
5114 0 : return 0;
5115 : }
5116 :
5117 0 : struct spdk_nvmf_ctrlr *spdk_nvmf_request_get_ctrlr(struct spdk_nvmf_request *req)
5118 : {
5119 0 : return req->qpair->ctrlr;
5120 : }
5121 :
5122 0 : struct spdk_nvme_cmd *spdk_nvmf_request_get_cmd(struct spdk_nvmf_request *req)
5123 : {
5124 0 : return &req->cmd->nvme_cmd;
5125 : }
5126 :
5127 0 : struct spdk_nvme_cpl *spdk_nvmf_request_get_response(struct spdk_nvmf_request *req)
5128 : {
5129 0 : return &req->rsp->nvme_cpl;
5130 : }
5131 :
5132 0 : struct spdk_nvmf_subsystem *spdk_nvmf_request_get_subsystem(struct spdk_nvmf_request *req)
5133 : {
5134 0 : return req->qpair->ctrlr->subsys;
5135 : }
5136 :
5137 : size_t
5138 0 : spdk_nvmf_request_copy_from_buf(struct spdk_nvmf_request *req,
5139 : void *buf, size_t buflen)
5140 : {
5141 0 : struct spdk_iov_xfer ix;
5142 :
5143 0 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
5144 0 : return spdk_iov_xfer_from_buf(&ix, buf, buflen);
5145 : }
5146 :
5147 : size_t
5148 0 : spdk_nvmf_request_copy_to_buf(struct spdk_nvmf_request *req,
5149 : void *buf, size_t buflen)
5150 : {
5151 0 : struct spdk_iov_xfer ix;
5152 :
5153 0 : spdk_iov_xfer_init(&ix, req->iov, req->iovcnt);
5154 0 : return spdk_iov_xfer_to_buf(&ix, buf, buflen);
5155 : }
5156 :
5157 0 : struct spdk_nvmf_subsystem *spdk_nvmf_ctrlr_get_subsystem(struct spdk_nvmf_ctrlr *ctrlr)
5158 : {
5159 0 : return ctrlr->subsys;
5160 : }
5161 :
5162 : uint16_t
5163 0 : spdk_nvmf_ctrlr_get_id(struct spdk_nvmf_ctrlr *ctrlr)
5164 : {
5165 0 : return ctrlr->cntlid;
5166 : }
5167 :
5168 0 : struct spdk_nvmf_request *spdk_nvmf_request_get_req_to_abort(struct spdk_nvmf_request *req)
5169 : {
5170 0 : return req->req_to_abort;
5171 : }
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