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11fdf7f2 TL |
1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
f67539c2 TL |
4 | * Copyright (c) Intel Corporation. All rights reserved. |
5 | * Copyright (c) 2019, 2020 Mellanox Technologies LTD. All rights reserved. | |
11fdf7f2 TL |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Intel Corporation nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #include "spdk/stdinc.h" | |
35 | ||
36 | #include "nvmf_internal.h" | |
37 | #include "transport.h" | |
38 | ||
39 | #include "spdk/bit_array.h" | |
40 | #include "spdk/endian.h" | |
41 | #include "spdk/thread.h" | |
42 | #include "spdk/trace.h" | |
43 | #include "spdk/nvme_spec.h" | |
f67539c2 | 44 | #include "spdk/nvmf_cmd.h" |
11fdf7f2 TL |
45 | #include "spdk/string.h" |
46 | #include "spdk/util.h" | |
47 | #include "spdk/version.h" | |
48 | ||
49 | #include "spdk_internal/log.h" | |
50 | ||
9f95a23c TL |
51 | #define MIN_KEEP_ALIVE_TIMEOUT_IN_MS 10000 |
52 | #define NVMF_DISC_KATO_IN_MS 120000 | |
53 | #define KAS_TIME_UNIT_IN_MS 100 | |
54 | #define KAS_DEFAULT_VALUE (MIN_KEEP_ALIVE_TIMEOUT_IN_MS / KAS_TIME_UNIT_IN_MS) | |
11fdf7f2 TL |
55 | |
56 | /* | |
57 | * Report the SPDK version as the firmware revision. | |
58 | * SPDK_VERSION_STRING won't fit into FR (only 8 bytes), so try to fit the most important parts. | |
59 | */ | |
60 | #define FW_VERSION SPDK_VERSION_MAJOR_STRING SPDK_VERSION_MINOR_STRING SPDK_VERSION_PATCH_STRING | |
61 | ||
f67539c2 TL |
62 | /* |
63 | * Support for custom admin command handlers | |
64 | */ | |
65 | struct spdk_nvmf_custom_admin_cmd { | |
66 | spdk_nvmf_custom_cmd_hdlr hdlr; | |
67 | uint32_t nsid; /* nsid to forward */ | |
68 | }; | |
69 | ||
70 | static struct spdk_nvmf_custom_admin_cmd g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_MAX_OPC + 1]; | |
71 | ||
72 | static void _nvmf_request_complete(void *ctx); | |
73 | ||
11fdf7f2 | 74 | static inline void |
f67539c2 TL |
75 | nvmf_invalid_connect_response(struct spdk_nvmf_fabric_connect_rsp *rsp, |
76 | uint8_t iattr, uint16_t ipo) | |
11fdf7f2 TL |
77 | { |
78 | rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
79 | rsp->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM; | |
80 | rsp->status_code_specific.invalid.iattr = iattr; | |
81 | rsp->status_code_specific.invalid.ipo = ipo; | |
82 | } | |
83 | ||
84 | #define SPDK_NVMF_INVALID_CONNECT_CMD(rsp, field) \ | |
f67539c2 | 85 | nvmf_invalid_connect_response(rsp, 0, offsetof(struct spdk_nvmf_fabric_connect_cmd, field)) |
11fdf7f2 | 86 | #define SPDK_NVMF_INVALID_CONNECT_DATA(rsp, field) \ |
f67539c2 | 87 | nvmf_invalid_connect_response(rsp, 1, offsetof(struct spdk_nvmf_fabric_connect_data, field)) |
11fdf7f2 | 88 | |
9f95a23c | 89 | static void |
f67539c2 | 90 | nvmf_ctrlr_stop_keep_alive_timer(struct spdk_nvmf_ctrlr *ctrlr) |
9f95a23c TL |
91 | { |
92 | if (!ctrlr) { | |
93 | SPDK_ERRLOG("Controller is NULL\n"); | |
94 | return; | |
95 | } | |
96 | ||
97 | if (ctrlr->keep_alive_poller == NULL) { | |
98 | return; | |
99 | } | |
100 | ||
101 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Stop keep alive poller\n"); | |
102 | spdk_poller_unregister(&ctrlr->keep_alive_poller); | |
103 | } | |
104 | ||
105 | static void | |
f67539c2 | 106 | nvmf_ctrlr_disconnect_qpairs_done(struct spdk_io_channel_iter *i, int status) |
9f95a23c TL |
107 | { |
108 | if (status == 0) { | |
109 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "ctrlr disconnect qpairs complete successfully\n"); | |
110 | } else { | |
111 | SPDK_ERRLOG("Fail to disconnect ctrlr qpairs\n"); | |
112 | } | |
113 | } | |
114 | ||
f67539c2 TL |
115 | static int |
116 | _nvmf_ctrlr_disconnect_qpairs_on_pg(struct spdk_io_channel_iter *i, bool include_admin) | |
9f95a23c TL |
117 | { |
118 | int rc = 0; | |
119 | struct spdk_nvmf_ctrlr *ctrlr; | |
120 | struct spdk_nvmf_qpair *qpair, *temp_qpair; | |
121 | struct spdk_io_channel *ch; | |
122 | struct spdk_nvmf_poll_group *group; | |
123 | ||
124 | ctrlr = spdk_io_channel_iter_get_ctx(i); | |
125 | ch = spdk_io_channel_iter_get_channel(i); | |
126 | group = spdk_io_channel_get_ctx(ch); | |
127 | ||
128 | TAILQ_FOREACH_SAFE(qpair, &group->qpairs, link, temp_qpair) { | |
f67539c2 | 129 | if (qpair->ctrlr == ctrlr && (include_admin || !nvmf_qpair_is_admin_queue(qpair))) { |
9f95a23c TL |
130 | rc = spdk_nvmf_qpair_disconnect(qpair, NULL, NULL); |
131 | if (rc) { | |
132 | SPDK_ERRLOG("Qpair disconnect failed\n"); | |
f67539c2 | 133 | return rc; |
9f95a23c TL |
134 | } |
135 | } | |
136 | } | |
137 | ||
f67539c2 TL |
138 | return rc; |
139 | } | |
140 | ||
141 | static void | |
142 | nvmf_ctrlr_disconnect_qpairs_on_pg(struct spdk_io_channel_iter *i) | |
143 | { | |
144 | spdk_for_each_channel_continue(i, _nvmf_ctrlr_disconnect_qpairs_on_pg(i, true)); | |
145 | } | |
146 | ||
147 | static void | |
148 | nvmf_ctrlr_disconnect_io_qpairs_on_pg(struct spdk_io_channel_iter *i) | |
149 | { | |
150 | spdk_for_each_channel_continue(i, _nvmf_ctrlr_disconnect_qpairs_on_pg(i, false)); | |
9f95a23c TL |
151 | } |
152 | ||
153 | static int | |
f67539c2 | 154 | nvmf_ctrlr_keep_alive_poll(void *ctx) |
9f95a23c TL |
155 | { |
156 | uint64_t keep_alive_timeout_tick; | |
157 | uint64_t now = spdk_get_ticks(); | |
158 | struct spdk_nvmf_ctrlr *ctrlr = ctx; | |
159 | ||
160 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Polling ctrlr keep alive timeout\n"); | |
161 | ||
162 | /* If the Keep alive feature is in use and the timer expires */ | |
163 | keep_alive_timeout_tick = ctrlr->last_keep_alive_tick + | |
164 | ctrlr->feat.keep_alive_timer.bits.kato * spdk_get_ticks_hz() / UINT64_C(1000); | |
165 | if (now > keep_alive_timeout_tick) { | |
166 | SPDK_NOTICELOG("Disconnecting host from subsystem %s due to keep alive timeout.\n", | |
167 | ctrlr->subsys->subnqn); | |
168 | /* set the Controller Fatal Status bit to '1' */ | |
169 | if (ctrlr->vcprop.csts.bits.cfs == 0) { | |
170 | ctrlr->vcprop.csts.bits.cfs = 1; | |
171 | ||
172 | /* | |
173 | * disconnect qpairs, terminate Transport connection | |
174 | * destroy ctrlr, break the host to controller association | |
175 | * disconnect qpairs with qpair->ctrlr == ctrlr | |
176 | */ | |
177 | spdk_for_each_channel(ctrlr->subsys->tgt, | |
f67539c2 | 178 | nvmf_ctrlr_disconnect_qpairs_on_pg, |
9f95a23c | 179 | ctrlr, |
f67539c2 | 180 | nvmf_ctrlr_disconnect_qpairs_done); |
9f95a23c TL |
181 | } |
182 | } | |
183 | ||
f67539c2 | 184 | return SPDK_POLLER_BUSY; |
9f95a23c TL |
185 | } |
186 | ||
187 | static void | |
f67539c2 | 188 | nvmf_ctrlr_start_keep_alive_timer(struct spdk_nvmf_ctrlr *ctrlr) |
9f95a23c TL |
189 | { |
190 | if (!ctrlr) { | |
191 | SPDK_ERRLOG("Controller is NULL\n"); | |
192 | return; | |
193 | } | |
194 | ||
195 | /* if cleared to 0 then the Keep Alive Timer is disabled */ | |
196 | if (ctrlr->feat.keep_alive_timer.bits.kato != 0) { | |
197 | ||
198 | ctrlr->last_keep_alive_tick = spdk_get_ticks(); | |
199 | ||
200 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Ctrlr add keep alive poller\n"); | |
f67539c2 | 201 | ctrlr->keep_alive_poller = SPDK_POLLER_REGISTER(nvmf_ctrlr_keep_alive_poll, ctrlr, |
9f95a23c TL |
202 | ctrlr->feat.keep_alive_timer.bits.kato * 1000); |
203 | } | |
204 | } | |
205 | ||
11fdf7f2 TL |
206 | static void |
207 | ctrlr_add_qpair_and_update_rsp(struct spdk_nvmf_qpair *qpair, | |
208 | struct spdk_nvmf_ctrlr *ctrlr, | |
209 | struct spdk_nvmf_fabric_connect_rsp *rsp) | |
210 | { | |
211 | assert(ctrlr->admin_qpair->group->thread == spdk_get_thread()); | |
212 | ||
213 | /* check if we would exceed ctrlr connection limit */ | |
214 | if (qpair->qid >= spdk_bit_array_capacity(ctrlr->qpair_mask)) { | |
215 | SPDK_ERRLOG("Requested QID %u but Max QID is %u\n", | |
216 | qpair->qid, spdk_bit_array_capacity(ctrlr->qpair_mask) - 1); | |
217 | rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
218 | rsp->status.sc = SPDK_NVME_SC_INVALID_QUEUE_IDENTIFIER; | |
219 | return; | |
220 | } | |
221 | ||
222 | if (spdk_bit_array_get(ctrlr->qpair_mask, qpair->qid)) { | |
223 | SPDK_ERRLOG("Got I/O connect with duplicate QID %u\n", qpair->qid); | |
224 | rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
225 | rsp->status.sc = SPDK_NVME_SC_INVALID_QUEUE_IDENTIFIER; | |
226 | return; | |
227 | } | |
228 | ||
229 | qpair->ctrlr = ctrlr; | |
230 | spdk_bit_array_set(ctrlr->qpair_mask, qpair->qid); | |
231 | ||
232 | rsp->status.sc = SPDK_NVME_SC_SUCCESS; | |
233 | rsp->status_code_specific.success.cntlid = ctrlr->cntlid; | |
234 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "connect capsule response: cntlid = 0x%04x\n", | |
235 | rsp->status_code_specific.success.cntlid); | |
236 | } | |
237 | ||
238 | static void | |
f67539c2 | 239 | _nvmf_ctrlr_add_admin_qpair(void *ctx) |
11fdf7f2 TL |
240 | { |
241 | struct spdk_nvmf_request *req = ctx; | |
242 | struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp; | |
243 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
244 | struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr; | |
245 | ||
246 | ctrlr->admin_qpair = qpair; | |
f67539c2 | 247 | nvmf_ctrlr_start_keep_alive_timer(ctrlr); |
11fdf7f2 | 248 | ctrlr_add_qpair_and_update_rsp(qpair, ctrlr, rsp); |
f67539c2 | 249 | _nvmf_request_complete(req); |
11fdf7f2 TL |
250 | } |
251 | ||
252 | static void | |
f67539c2 | 253 | _nvmf_subsystem_add_ctrlr(void *ctx) |
11fdf7f2 TL |
254 | { |
255 | struct spdk_nvmf_request *req = ctx; | |
256 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
257 | struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp; | |
258 | struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr; | |
259 | ||
f67539c2 | 260 | if (nvmf_subsystem_add_ctrlr(ctrlr->subsys, ctrlr)) { |
11fdf7f2 | 261 | SPDK_ERRLOG("Unable to add controller to subsystem\n"); |
9f95a23c | 262 | spdk_bit_array_free(&ctrlr->qpair_mask); |
11fdf7f2 TL |
263 | free(ctrlr); |
264 | qpair->ctrlr = NULL; | |
265 | rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; | |
f67539c2 | 266 | spdk_nvmf_request_complete(req); |
11fdf7f2 TL |
267 | return; |
268 | } | |
269 | ||
f67539c2 TL |
270 | spdk_thread_send_msg(ctrlr->thread, _nvmf_ctrlr_add_admin_qpair, req); |
271 | } | |
272 | ||
273 | static void | |
274 | nvmf_ctrlr_cdata_init(struct spdk_nvmf_transport *transport, struct spdk_nvmf_subsystem *subsystem, | |
275 | struct spdk_nvmf_ctrlr_data *cdata) | |
276 | { | |
277 | cdata->kas = KAS_DEFAULT_VALUE; | |
278 | cdata->sgls.supported = 1; | |
279 | cdata->sgls.keyed_sgl = 1; | |
280 | cdata->sgls.sgl_offset = 1; | |
281 | cdata->nvmf_specific.ioccsz = sizeof(struct spdk_nvme_cmd) / 16; | |
282 | cdata->nvmf_specific.ioccsz += transport->opts.in_capsule_data_size / 16; | |
283 | cdata->nvmf_specific.iorcsz = sizeof(struct spdk_nvme_cpl) / 16; | |
284 | cdata->nvmf_specific.icdoff = 0; /* offset starts directly after SQE */ | |
285 | cdata->nvmf_specific.ctrattr.ctrlr_model = SPDK_NVMF_CTRLR_MODEL_DYNAMIC; | |
286 | cdata->nvmf_specific.msdbd = 1; | |
287 | ||
288 | if (transport->ops->cdata_init) { | |
289 | transport->ops->cdata_init(transport, subsystem, cdata); | |
290 | } | |
11fdf7f2 TL |
291 | } |
292 | ||
293 | static struct spdk_nvmf_ctrlr * | |
f67539c2 TL |
294 | nvmf_ctrlr_create(struct spdk_nvmf_subsystem *subsystem, |
295 | struct spdk_nvmf_request *req, | |
296 | struct spdk_nvmf_fabric_connect_cmd *connect_cmd, | |
297 | struct spdk_nvmf_fabric_connect_data *connect_data) | |
11fdf7f2 TL |
298 | { |
299 | struct spdk_nvmf_ctrlr *ctrlr; | |
300 | struct spdk_nvmf_transport *transport; | |
301 | ||
302 | ctrlr = calloc(1, sizeof(*ctrlr)); | |
303 | if (ctrlr == NULL) { | |
304 | SPDK_ERRLOG("Memory allocation failed\n"); | |
305 | return NULL; | |
306 | } | |
307 | ||
9f95a23c | 308 | TAILQ_INIT(&ctrlr->log_head); |
11fdf7f2 TL |
309 | ctrlr->subsys = subsystem; |
310 | ctrlr->thread = req->qpair->group->thread; | |
311 | ||
312 | transport = req->qpair->transport; | |
313 | ctrlr->qpair_mask = spdk_bit_array_create(transport->opts.max_qpairs_per_ctrlr); | |
314 | if (!ctrlr->qpair_mask) { | |
315 | SPDK_ERRLOG("Failed to allocate controller qpair mask\n"); | |
316 | free(ctrlr); | |
317 | return NULL; | |
318 | } | |
319 | ||
f67539c2 TL |
320 | nvmf_ctrlr_cdata_init(transport, subsystem, &ctrlr->cdata); |
321 | ||
9f95a23c | 322 | /* |
f67539c2 TL |
323 | * KAS: This field indicates the granularity of the Keep Alive Timer in 100ms units. |
324 | * If this field is cleared to 0h, then Keep Alive is not supported. | |
9f95a23c | 325 | */ |
f67539c2 TL |
326 | if (ctrlr->cdata.kas) { |
327 | ctrlr->feat.keep_alive_timer.bits.kato = spdk_divide_round_up(connect_cmd->kato, | |
328 | KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS) * | |
329 | KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS; | |
330 | } | |
331 | ||
11fdf7f2 TL |
332 | ctrlr->feat.async_event_configuration.bits.ns_attr_notice = 1; |
333 | ctrlr->feat.volatile_write_cache.bits.wce = 1; | |
334 | ||
9f95a23c | 335 | if (ctrlr->subsys->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY) { |
9f95a23c | 336 | /* |
f67539c2 TL |
337 | * If keep-alive timeout is not set, discovery controllers use some |
338 | * arbitrary high value in order to cleanup stale discovery sessions | |
9f95a23c TL |
339 | * |
340 | * From the 1.0a nvme-of spec: | |
341 | * "The Keep Alive command is reserved for | |
342 | * Discovery controllers. A transport may specify a | |
343 | * fixed Discovery controller activity timeout value | |
344 | * (e.g., 2 minutes). If no commands are received | |
345 | * by a Discovery controller within that time | |
346 | * period, the controller may perform the | |
347 | * actions for Keep Alive Timer expiration". | |
348 | * kato is in millisecond. | |
349 | */ | |
f67539c2 TL |
350 | if (ctrlr->feat.keep_alive_timer.bits.kato == 0) { |
351 | ctrlr->feat.keep_alive_timer.bits.kato = NVMF_DISC_KATO_IN_MS; | |
352 | } | |
9f95a23c TL |
353 | } |
354 | ||
11fdf7f2 TL |
355 | /* Subtract 1 for admin queue, 1 for 0's based */ |
356 | ctrlr->feat.number_of_queues.bits.ncqr = transport->opts.max_qpairs_per_ctrlr - 1 - | |
357 | 1; | |
358 | ctrlr->feat.number_of_queues.bits.nsqr = transport->opts.max_qpairs_per_ctrlr - 1 - | |
359 | 1; | |
360 | ||
9f95a23c | 361 | spdk_uuid_copy(&ctrlr->hostid, (struct spdk_uuid *)connect_data->hostid); |
f67539c2 | 362 | memcpy(ctrlr->hostnqn, connect_data->hostnqn, sizeof(ctrlr->hostnqn)); |
11fdf7f2 TL |
363 | |
364 | ctrlr->vcprop.cap.raw = 0; | |
365 | ctrlr->vcprop.cap.bits.cqr = 1; /* NVMe-oF specification required */ | |
366 | ctrlr->vcprop.cap.bits.mqes = transport->opts.max_queue_depth - | |
367 | 1; /* max queue depth */ | |
368 | ctrlr->vcprop.cap.bits.ams = 0; /* optional arb mechanisms */ | |
369 | ctrlr->vcprop.cap.bits.to = 1; /* ready timeout - 500 msec units */ | |
370 | ctrlr->vcprop.cap.bits.dstrd = 0; /* fixed to 0 for NVMe-oF */ | |
371 | ctrlr->vcprop.cap.bits.css = SPDK_NVME_CAP_CSS_NVM; /* NVM command set */ | |
372 | ctrlr->vcprop.cap.bits.mpsmin = 0; /* 2 ^ (12 + mpsmin) == 4k */ | |
373 | ctrlr->vcprop.cap.bits.mpsmax = 0; /* 2 ^ (12 + mpsmax) == 4k */ | |
374 | ||
375 | /* Version Supported: 1.3 */ | |
376 | ctrlr->vcprop.vs.bits.mjr = 1; | |
377 | ctrlr->vcprop.vs.bits.mnr = 3; | |
378 | ctrlr->vcprop.vs.bits.ter = 0; | |
379 | ||
380 | ctrlr->vcprop.cc.raw = 0; | |
381 | ctrlr->vcprop.cc.bits.en = 0; /* Init controller disabled */ | |
382 | ||
383 | ctrlr->vcprop.csts.raw = 0; | |
384 | ctrlr->vcprop.csts.bits.rdy = 0; /* Init controller as not ready */ | |
385 | ||
386 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "cap 0x%" PRIx64 "\n", ctrlr->vcprop.cap.raw); | |
387 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "vs 0x%x\n", ctrlr->vcprop.vs.raw); | |
388 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "cc 0x%x\n", ctrlr->vcprop.cc.raw); | |
389 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "csts 0x%x\n", ctrlr->vcprop.csts.raw); | |
390 | ||
f67539c2 TL |
391 | ctrlr->dif_insert_or_strip = transport->opts.dif_insert_or_strip; |
392 | ||
9f95a23c | 393 | req->qpair->ctrlr = ctrlr; |
f67539c2 | 394 | spdk_thread_send_msg(subsystem->thread, _nvmf_subsystem_add_ctrlr, req); |
11fdf7f2 TL |
395 | |
396 | return ctrlr; | |
397 | } | |
398 | ||
9f95a23c | 399 | static void |
f67539c2 | 400 | _nvmf_ctrlr_destruct(void *ctx) |
9f95a23c TL |
401 | { |
402 | struct spdk_nvmf_ctrlr *ctrlr = ctx; | |
403 | struct spdk_nvmf_reservation_log *log, *log_tmp; | |
404 | ||
f67539c2 | 405 | nvmf_ctrlr_stop_keep_alive_timer(ctrlr); |
9f95a23c TL |
406 | |
407 | TAILQ_FOREACH_SAFE(log, &ctrlr->log_head, link, log_tmp) { | |
408 | TAILQ_REMOVE(&ctrlr->log_head, log, link); | |
409 | free(log); | |
410 | } | |
411 | free(ctrlr); | |
412 | } | |
413 | ||
11fdf7f2 | 414 | void |
f67539c2 | 415 | nvmf_ctrlr_destruct(struct spdk_nvmf_ctrlr *ctrlr) |
11fdf7f2 | 416 | { |
f67539c2 | 417 | nvmf_subsystem_remove_ctrlr(ctrlr->subsys, ctrlr); |
11fdf7f2 | 418 | |
f67539c2 | 419 | spdk_thread_send_msg(ctrlr->thread, _nvmf_ctrlr_destruct, ctrlr); |
11fdf7f2 TL |
420 | } |
421 | ||
422 | static void | |
f67539c2 | 423 | nvmf_ctrlr_add_io_qpair(void *ctx) |
11fdf7f2 TL |
424 | { |
425 | struct spdk_nvmf_request *req = ctx; | |
426 | struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp; | |
427 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
428 | struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr; | |
429 | ||
430 | /* Unit test will check qpair->ctrlr after calling spdk_nvmf_ctrlr_connect. | |
431 | * For error case, the value should be NULL. So set it to NULL at first. | |
432 | */ | |
433 | qpair->ctrlr = NULL; | |
434 | ||
435 | if (ctrlr->subsys->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY) { | |
436 | SPDK_ERRLOG("I/O connect not allowed on discovery controller\n"); | |
437 | SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid); | |
438 | goto end; | |
439 | } | |
440 | ||
441 | if (!ctrlr->vcprop.cc.bits.en) { | |
442 | SPDK_ERRLOG("Got I/O connect before ctrlr was enabled\n"); | |
443 | SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid); | |
444 | goto end; | |
445 | } | |
446 | ||
447 | if (1u << ctrlr->vcprop.cc.bits.iosqes != sizeof(struct spdk_nvme_cmd)) { | |
448 | SPDK_ERRLOG("Got I/O connect with invalid IOSQES %u\n", | |
449 | ctrlr->vcprop.cc.bits.iosqes); | |
450 | SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid); | |
451 | goto end; | |
452 | } | |
453 | ||
454 | if (1u << ctrlr->vcprop.cc.bits.iocqes != sizeof(struct spdk_nvme_cpl)) { | |
455 | SPDK_ERRLOG("Got I/O connect with invalid IOCQES %u\n", | |
456 | ctrlr->vcprop.cc.bits.iocqes); | |
457 | SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid); | |
458 | goto end; | |
459 | } | |
460 | ||
461 | ctrlr_add_qpair_and_update_rsp(qpair, ctrlr, rsp); | |
11fdf7f2 | 462 | end: |
f67539c2 | 463 | spdk_nvmf_request_complete(req); |
11fdf7f2 TL |
464 | } |
465 | ||
466 | static void | |
f67539c2 | 467 | _nvmf_ctrlr_add_io_qpair(void *ctx) |
11fdf7f2 TL |
468 | { |
469 | struct spdk_nvmf_request *req = ctx; | |
470 | struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp; | |
471 | struct spdk_nvmf_fabric_connect_data *data = req->data; | |
472 | struct spdk_nvmf_ctrlr *ctrlr; | |
473 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
474 | struct spdk_nvmf_qpair *admin_qpair; | |
475 | struct spdk_nvmf_tgt *tgt = qpair->transport->tgt; | |
476 | struct spdk_nvmf_subsystem *subsystem; | |
477 | ||
478 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Connect I/O Queue for controller id 0x%x\n", data->cntlid); | |
479 | ||
480 | subsystem = spdk_nvmf_tgt_find_subsystem(tgt, data->subnqn); | |
481 | /* We already checked this in spdk_nvmf_ctrlr_connect */ | |
482 | assert(subsystem != NULL); | |
483 | ||
f67539c2 | 484 | ctrlr = nvmf_subsystem_get_ctrlr(subsystem, data->cntlid); |
11fdf7f2 TL |
485 | if (ctrlr == NULL) { |
486 | SPDK_ERRLOG("Unknown controller ID 0x%x\n", data->cntlid); | |
487 | SPDK_NVMF_INVALID_CONNECT_DATA(rsp, cntlid); | |
f67539c2 | 488 | spdk_nvmf_request_complete(req); |
11fdf7f2 TL |
489 | return; |
490 | } | |
491 | ||
492 | admin_qpair = ctrlr->admin_qpair; | |
493 | qpair->ctrlr = ctrlr; | |
f67539c2 TL |
494 | spdk_thread_send_msg(admin_qpair->group->thread, nvmf_ctrlr_add_io_qpair, req); |
495 | } | |
496 | ||
497 | static bool | |
498 | nvmf_qpair_access_allowed(struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_subsystem *subsystem, | |
499 | const char *hostnqn) | |
500 | { | |
501 | struct spdk_nvme_transport_id listen_trid = {}; | |
502 | ||
503 | if (!spdk_nvmf_subsystem_host_allowed(subsystem, hostnqn)) { | |
504 | SPDK_ERRLOG("Subsystem '%s' does not allow host '%s'\n", subsystem->subnqn, hostnqn); | |
505 | return false; | |
506 | } | |
507 | ||
508 | if (spdk_nvmf_qpair_get_listen_trid(qpair, &listen_trid)) { | |
509 | SPDK_ERRLOG("Subsystem '%s' is unable to enforce access control due to an internal error.\n", | |
510 | subsystem->subnqn); | |
511 | return false; | |
512 | } | |
513 | ||
514 | if (!spdk_nvmf_subsystem_listener_allowed(subsystem, &listen_trid)) { | |
515 | SPDK_ERRLOG("Subsystem '%s' does not allow host '%s' to connect at this address.\n", | |
516 | subsystem->subnqn, hostnqn); | |
517 | return false; | |
518 | } | |
519 | ||
520 | return true; | |
11fdf7f2 TL |
521 | } |
522 | ||
523 | static int | |
f67539c2 | 524 | _nvmf_ctrlr_connect(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
525 | { |
526 | struct spdk_nvmf_fabric_connect_data *data = req->data; | |
527 | struct spdk_nvmf_fabric_connect_cmd *cmd = &req->cmd->connect_cmd; | |
528 | struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp; | |
529 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
9f95a23c | 530 | struct spdk_nvmf_transport *transport = qpair->transport; |
11fdf7f2 TL |
531 | struct spdk_nvmf_ctrlr *ctrlr; |
532 | struct spdk_nvmf_subsystem *subsystem; | |
11fdf7f2 TL |
533 | |
534 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "recfmt 0x%x qid %u sqsize %u\n", | |
535 | cmd->recfmt, cmd->qid, cmd->sqsize); | |
536 | ||
537 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Connect data:\n"); | |
538 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, " cntlid: 0x%04x\n", data->cntlid); | |
539 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, " hostid: %08x-%04x-%04x-%02x%02x-%04x%08x ***\n", | |
540 | ntohl(*(uint32_t *)&data->hostid[0]), | |
541 | ntohs(*(uint16_t *)&data->hostid[4]), | |
542 | ntohs(*(uint16_t *)&data->hostid[6]), | |
543 | data->hostid[8], | |
544 | data->hostid[9], | |
545 | ntohs(*(uint16_t *)&data->hostid[10]), | |
546 | ntohl(*(uint32_t *)&data->hostid[12])); | |
f67539c2 TL |
547 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, " subnqn: \"%s\"\n", data->subnqn); |
548 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, " hostnqn: \"%s\"\n", data->hostnqn); | |
11fdf7f2 | 549 | |
f67539c2 TL |
550 | subsystem = spdk_nvmf_tgt_find_subsystem(transport->tgt, data->subnqn); |
551 | if (!subsystem) { | |
11fdf7f2 TL |
552 | SPDK_NVMF_INVALID_CONNECT_DATA(rsp, subnqn); |
553 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
554 | } | |
555 | ||
f67539c2 TL |
556 | if (cmd->recfmt != 0) { |
557 | SPDK_ERRLOG("Connect command unsupported RECFMT %u\n", cmd->recfmt); | |
11fdf7f2 | 558 | rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; |
f67539c2 | 559 | rsp->status.sc = SPDK_NVMF_FABRIC_SC_INCOMPATIBLE_FORMAT; |
11fdf7f2 TL |
560 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
561 | } | |
562 | ||
563 | /* | |
564 | * SQSIZE is a 0-based value, so it must be at least 1 (minimum queue depth is 2) and | |
9f95a23c | 565 | * strictly less than max_aq_depth (admin queues) or max_queue_depth (io queues). |
11fdf7f2 | 566 | */ |
9f95a23c TL |
567 | if (cmd->sqsize == 0) { |
568 | SPDK_ERRLOG("Invalid SQSIZE = 0\n"); | |
569 | SPDK_NVMF_INVALID_CONNECT_CMD(rsp, sqsize); | |
570 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
571 | } | |
572 | ||
f67539c2 | 573 | if (cmd->qid == 0) { |
9f95a23c TL |
574 | if (cmd->sqsize >= transport->opts.max_aq_depth) { |
575 | SPDK_ERRLOG("Invalid SQSIZE for admin queue %u (min 1, max %u)\n", | |
576 | cmd->sqsize, transport->opts.max_aq_depth - 1); | |
577 | SPDK_NVMF_INVALID_CONNECT_CMD(rsp, sqsize); | |
578 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
579 | } | |
580 | } else if (cmd->sqsize >= transport->opts.max_queue_depth) { | |
11fdf7f2 | 581 | SPDK_ERRLOG("Invalid SQSIZE %u (min 1, max %u)\n", |
9f95a23c | 582 | cmd->sqsize, transport->opts.max_queue_depth - 1); |
11fdf7f2 TL |
583 | SPDK_NVMF_INVALID_CONNECT_CMD(rsp, sqsize); |
584 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
585 | } | |
9f95a23c | 586 | |
11fdf7f2 TL |
587 | qpair->sq_head_max = cmd->sqsize; |
588 | qpair->qid = cmd->qid; | |
589 | ||
f67539c2 TL |
590 | if (0 == qpair->qid) { |
591 | qpair->group->stat.admin_qpairs++; | |
592 | } else { | |
593 | qpair->group->stat.io_qpairs++; | |
9f95a23c TL |
594 | } |
595 | ||
11fdf7f2 TL |
596 | if (cmd->qid == 0) { |
597 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Connect Admin Queue for controller ID 0x%x\n", data->cntlid); | |
598 | ||
599 | if (data->cntlid != 0xFFFF) { | |
600 | /* This NVMf target only supports dynamic mode. */ | |
601 | SPDK_ERRLOG("The NVMf target only supports dynamic mode (CNTLID = 0x%x).\n", data->cntlid); | |
602 | SPDK_NVMF_INVALID_CONNECT_DATA(rsp, cntlid); | |
603 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
604 | } | |
605 | ||
606 | /* Establish a new ctrlr */ | |
f67539c2 | 607 | ctrlr = nvmf_ctrlr_create(subsystem, req, cmd, data); |
11fdf7f2 | 608 | if (!ctrlr) { |
f67539c2 | 609 | SPDK_ERRLOG("nvmf_ctrlr_create() failed\n"); |
11fdf7f2 TL |
610 | rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; |
611 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
612 | } else { | |
613 | return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; | |
614 | } | |
615 | } else { | |
f67539c2 | 616 | spdk_thread_send_msg(subsystem->thread, _nvmf_ctrlr_add_io_qpair, req); |
11fdf7f2 TL |
617 | return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; |
618 | } | |
619 | } | |
620 | ||
f67539c2 TL |
621 | static inline bool |
622 | nvmf_request_is_fabric_connect(struct spdk_nvmf_request *req) | |
623 | { | |
624 | return req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC && | |
625 | req->cmd->nvmf_cmd.fctype == SPDK_NVMF_FABRIC_COMMAND_CONNECT; | |
626 | } | |
627 | ||
628 | static struct spdk_nvmf_subsystem_poll_group * | |
629 | nvmf_subsystem_pg_from_connect_cmd(struct spdk_nvmf_request *req) | |
630 | { | |
631 | struct spdk_nvmf_fabric_connect_data *data; | |
632 | struct spdk_nvmf_subsystem *subsystem; | |
633 | struct spdk_nvmf_tgt *tgt; | |
634 | ||
635 | assert(nvmf_request_is_fabric_connect(req)); | |
636 | assert(req->qpair->ctrlr == NULL); | |
637 | ||
638 | data = req->data; | |
639 | tgt = req->qpair->transport->tgt; | |
640 | ||
641 | subsystem = spdk_nvmf_tgt_find_subsystem(tgt, data->subnqn); | |
642 | if (subsystem == NULL) { | |
643 | return NULL; | |
644 | } | |
645 | ||
646 | return &req->qpair->group->sgroups[subsystem->id]; | |
647 | } | |
648 | ||
649 | int | |
650 | spdk_nvmf_ctrlr_connect(struct spdk_nvmf_request *req) | |
651 | { | |
652 | struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp; | |
653 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
654 | struct spdk_nvmf_subsystem_poll_group *sgroup; | |
655 | enum spdk_nvmf_request_exec_status status; | |
656 | ||
657 | sgroup = nvmf_subsystem_pg_from_connect_cmd(req); | |
658 | if (!sgroup) { | |
659 | SPDK_NVMF_INVALID_CONNECT_DATA(rsp, subnqn); | |
660 | status = SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
661 | goto out; | |
662 | } | |
663 | ||
664 | sgroup->io_outstanding++; | |
665 | TAILQ_INSERT_TAIL(&qpair->outstanding, req, link); | |
666 | ||
667 | status = _nvmf_ctrlr_connect(req); | |
668 | ||
669 | out: | |
670 | if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) { | |
671 | _nvmf_request_complete(req); | |
672 | } | |
673 | ||
674 | return status; | |
675 | } | |
676 | ||
677 | static int | |
678 | nvmf_ctrlr_cmd_connect(struct spdk_nvmf_request *req) | |
679 | { | |
680 | struct spdk_nvmf_fabric_connect_data *data = req->data; | |
681 | struct spdk_nvmf_fabric_connect_rsp *rsp = &req->rsp->connect_rsp; | |
682 | struct spdk_nvmf_transport *transport = req->qpair->transport; | |
683 | struct spdk_nvmf_subsystem *subsystem; | |
684 | ||
685 | if (req->length < sizeof(struct spdk_nvmf_fabric_connect_data)) { | |
686 | SPDK_ERRLOG("Connect command data length 0x%x too small\n", req->length); | |
687 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
688 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
689 | } | |
690 | ||
691 | subsystem = spdk_nvmf_tgt_find_subsystem(transport->tgt, data->subnqn); | |
692 | if (!subsystem) { | |
693 | SPDK_NVMF_INVALID_CONNECT_DATA(rsp, subnqn); | |
694 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
695 | } | |
696 | ||
697 | if ((subsystem->state == SPDK_NVMF_SUBSYSTEM_INACTIVE) || | |
698 | (subsystem->state == SPDK_NVMF_SUBSYSTEM_PAUSING) || | |
699 | (subsystem->state == SPDK_NVMF_SUBSYSTEM_PAUSED) || | |
700 | (subsystem->state == SPDK_NVMF_SUBSYSTEM_DEACTIVATING)) { | |
701 | SPDK_ERRLOG("Subsystem '%s' is not ready\n", subsystem->subnqn); | |
702 | rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
703 | rsp->status.sc = SPDK_NVMF_FABRIC_SC_CONTROLLER_BUSY; | |
704 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
705 | } | |
706 | ||
707 | /* Ensure that hostnqn is null terminated */ | |
708 | if (!memchr(data->hostnqn, '\0', SPDK_NVMF_NQN_MAX_LEN + 1)) { | |
709 | SPDK_ERRLOG("Connect HOSTNQN is not null terminated\n"); | |
710 | SPDK_NVMF_INVALID_CONNECT_DATA(rsp, hostnqn); | |
711 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
712 | } | |
713 | ||
714 | if (!nvmf_qpair_access_allowed(req->qpair, subsystem, data->hostnqn)) { | |
715 | rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
716 | rsp->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_HOST; | |
717 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
718 | } | |
719 | ||
720 | return _nvmf_ctrlr_connect(req); | |
721 | } | |
722 | ||
723 | static void | |
724 | nvmf_ctrlr_cc_reset_done(struct spdk_io_channel_iter *i, int status) | |
725 | { | |
726 | struct spdk_nvmf_ctrlr *ctrlr = spdk_io_channel_iter_get_ctx(i); | |
727 | ||
728 | if (status < 0) { | |
729 | SPDK_ERRLOG("Fail to disconnect io ctrlr qpairs\n"); | |
730 | assert(false); | |
731 | } | |
732 | ||
733 | /* Only a subset of the registers are cleared out on a reset */ | |
734 | ctrlr->vcprop.cc.raw = 0; | |
735 | ctrlr->vcprop.csts.raw = 0; | |
736 | ||
737 | } | |
738 | ||
739 | const struct spdk_nvmf_registers * | |
740 | spdk_nvmf_ctrlr_get_regs(struct spdk_nvmf_ctrlr *ctrlr) | |
741 | { | |
742 | return &ctrlr->vcprop; | |
743 | } | |
744 | ||
11fdf7f2 TL |
745 | static uint64_t |
746 | nvmf_prop_get_cap(struct spdk_nvmf_ctrlr *ctrlr) | |
747 | { | |
748 | return ctrlr->vcprop.cap.raw; | |
749 | } | |
750 | ||
751 | static uint64_t | |
752 | nvmf_prop_get_vs(struct spdk_nvmf_ctrlr *ctrlr) | |
753 | { | |
754 | return ctrlr->vcprop.vs.raw; | |
755 | } | |
756 | ||
757 | static uint64_t | |
758 | nvmf_prop_get_cc(struct spdk_nvmf_ctrlr *ctrlr) | |
759 | { | |
760 | return ctrlr->vcprop.cc.raw; | |
761 | } | |
762 | ||
763 | static bool | |
f67539c2 | 764 | nvmf_prop_set_cc(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value) |
11fdf7f2 TL |
765 | { |
766 | union spdk_nvme_cc_register cc, diff; | |
767 | ||
f67539c2 | 768 | cc.raw = value; |
11fdf7f2 TL |
769 | |
770 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "cur CC: 0x%08x\n", ctrlr->vcprop.cc.raw); | |
771 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "new CC: 0x%08x\n", cc.raw); | |
772 | ||
773 | /* | |
774 | * Calculate which bits changed between the current and new CC. | |
775 | * Mark each bit as 0 once it is handled to determine if any unhandled bits were changed. | |
776 | */ | |
777 | diff.raw = cc.raw ^ ctrlr->vcprop.cc.raw; | |
778 | ||
779 | if (diff.bits.en) { | |
780 | if (cc.bits.en) { | |
781 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Property Set CC Enable!\n"); | |
782 | ctrlr->vcprop.cc.bits.en = 1; | |
783 | ctrlr->vcprop.csts.bits.rdy = 1; | |
784 | } else { | |
f67539c2 TL |
785 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Property Set CC Disable!\n"); |
786 | ctrlr->vcprop.cc.bits.en = 0; | |
787 | spdk_for_each_channel(ctrlr->subsys->tgt, | |
788 | nvmf_ctrlr_disconnect_io_qpairs_on_pg, | |
789 | ctrlr, | |
790 | nvmf_ctrlr_cc_reset_done); | |
11fdf7f2 TL |
791 | } |
792 | diff.bits.en = 0; | |
793 | } | |
794 | ||
795 | if (diff.bits.shn) { | |
796 | if (cc.bits.shn == SPDK_NVME_SHN_NORMAL || | |
797 | cc.bits.shn == SPDK_NVME_SHN_ABRUPT) { | |
798 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Property Set CC Shutdown %u%ub!\n", | |
799 | cc.bits.shn >> 1, cc.bits.shn & 1); | |
800 | ctrlr->vcprop.cc.bits.shn = cc.bits.shn; | |
801 | ctrlr->vcprop.cc.bits.en = 0; | |
802 | ctrlr->vcprop.csts.bits.rdy = 0; | |
803 | ctrlr->vcprop.csts.bits.shst = SPDK_NVME_SHST_COMPLETE; | |
804 | } else if (cc.bits.shn == 0) { | |
805 | ctrlr->vcprop.cc.bits.shn = 0; | |
806 | } else { | |
807 | SPDK_ERRLOG("Prop Set CC: Invalid SHN value %u%ub\n", | |
808 | cc.bits.shn >> 1, cc.bits.shn & 1); | |
809 | return false; | |
810 | } | |
811 | diff.bits.shn = 0; | |
812 | } | |
813 | ||
814 | if (diff.bits.iosqes) { | |
815 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Prop Set IOSQES = %u (%u bytes)\n", | |
816 | cc.bits.iosqes, 1u << cc.bits.iosqes); | |
817 | ctrlr->vcprop.cc.bits.iosqes = cc.bits.iosqes; | |
818 | diff.bits.iosqes = 0; | |
819 | } | |
820 | ||
821 | if (diff.bits.iocqes) { | |
822 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Prop Set IOCQES = %u (%u bytes)\n", | |
823 | cc.bits.iocqes, 1u << cc.bits.iocqes); | |
824 | ctrlr->vcprop.cc.bits.iocqes = cc.bits.iocqes; | |
825 | diff.bits.iocqes = 0; | |
826 | } | |
827 | ||
f67539c2 TL |
828 | if (diff.bits.ams) { |
829 | SPDK_ERRLOG("Arbitration Mechanism Selected (AMS) 0x%x not supported!\n", cc.bits.ams); | |
830 | return false; | |
831 | } | |
832 | ||
833 | if (diff.bits.mps) { | |
834 | SPDK_ERRLOG("Memory Page Size (MPS) %u KiB not supported!\n", (1 << (2 + cc.bits.mps))); | |
835 | return false; | |
836 | } | |
837 | ||
838 | if (diff.bits.css) { | |
839 | SPDK_ERRLOG("I/O Command Set Selected (CSS) 0x%x not supported!\n", cc.bits.css); | |
840 | return false; | |
841 | } | |
842 | ||
11fdf7f2 TL |
843 | if (diff.raw != 0) { |
844 | SPDK_ERRLOG("Prop Set CC toggled reserved bits 0x%x!\n", diff.raw); | |
845 | return false; | |
846 | } | |
847 | ||
848 | return true; | |
849 | } | |
850 | ||
851 | static uint64_t | |
852 | nvmf_prop_get_csts(struct spdk_nvmf_ctrlr *ctrlr) | |
853 | { | |
854 | return ctrlr->vcprop.csts.raw; | |
855 | } | |
856 | ||
f67539c2 TL |
857 | static uint64_t |
858 | nvmf_prop_get_aqa(struct spdk_nvmf_ctrlr *ctrlr) | |
859 | { | |
860 | return ctrlr->vcprop.aqa.raw; | |
861 | } | |
862 | ||
863 | static bool | |
864 | nvmf_prop_set_aqa(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value) | |
865 | { | |
866 | union spdk_nvme_aqa_register aqa; | |
867 | ||
868 | aqa.raw = value; | |
869 | ||
870 | if (aqa.bits.asqs > ctrlr->vcprop.cap.bits.mqes || | |
871 | aqa.bits.acqs > ctrlr->vcprop.cap.bits.mqes) { | |
872 | return false; | |
873 | } | |
874 | ||
875 | ctrlr->vcprop.aqa.raw = value; | |
876 | ||
877 | return true; | |
878 | } | |
879 | ||
880 | static uint64_t | |
881 | nvmf_prop_get_asq(struct spdk_nvmf_ctrlr *ctrlr) | |
882 | { | |
883 | return ctrlr->vcprop.asq; | |
884 | } | |
885 | ||
886 | static bool | |
887 | nvmf_prop_set_asq_lower(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value) | |
888 | { | |
889 | ctrlr->vcprop.asq = (ctrlr->vcprop.asq & (0xFFFFFFFFULL << 32ULL)) | value; | |
890 | ||
891 | return true; | |
892 | } | |
893 | ||
894 | static bool | |
895 | nvmf_prop_set_asq_upper(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value) | |
896 | { | |
897 | ctrlr->vcprop.asq = (ctrlr->vcprop.asq & 0xFFFFFFFFULL) | ((uint64_t)value << 32ULL); | |
898 | ||
899 | return true; | |
900 | } | |
901 | ||
902 | static uint64_t | |
903 | nvmf_prop_get_acq(struct spdk_nvmf_ctrlr *ctrlr) | |
904 | { | |
905 | return ctrlr->vcprop.acq; | |
906 | } | |
907 | ||
908 | static bool | |
909 | nvmf_prop_set_acq_lower(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value) | |
910 | { | |
911 | ctrlr->vcprop.acq = (ctrlr->vcprop.acq & (0xFFFFFFFFULL << 32ULL)) | value; | |
912 | ||
913 | return true; | |
914 | } | |
915 | ||
916 | static bool | |
917 | nvmf_prop_set_acq_upper(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value) | |
918 | { | |
919 | ctrlr->vcprop.acq = (ctrlr->vcprop.acq & 0xFFFFFFFFULL) | ((uint64_t)value << 32ULL); | |
920 | ||
921 | return true; | |
922 | } | |
923 | ||
11fdf7f2 TL |
924 | struct nvmf_prop { |
925 | uint32_t ofst; | |
926 | uint8_t size; | |
927 | char name[11]; | |
928 | uint64_t (*get_cb)(struct spdk_nvmf_ctrlr *ctrlr); | |
f67539c2 TL |
929 | bool (*set_cb)(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value); |
930 | bool (*set_upper_cb)(struct spdk_nvmf_ctrlr *ctrlr, uint32_t value); | |
11fdf7f2 TL |
931 | }; |
932 | ||
f67539c2 | 933 | #define PROP(field, size, get_cb, set_cb, set_upper_cb) \ |
11fdf7f2 TL |
934 | { \ |
935 | offsetof(struct spdk_nvme_registers, field), \ | |
f67539c2 | 936 | size, \ |
11fdf7f2 | 937 | #field, \ |
f67539c2 | 938 | get_cb, set_cb, set_upper_cb \ |
11fdf7f2 TL |
939 | } |
940 | ||
941 | static const struct nvmf_prop nvmf_props[] = { | |
f67539c2 TL |
942 | PROP(cap, 8, nvmf_prop_get_cap, NULL, NULL), |
943 | PROP(vs, 4, nvmf_prop_get_vs, NULL, NULL), | |
944 | PROP(cc, 4, nvmf_prop_get_cc, nvmf_prop_set_cc, NULL), | |
945 | PROP(csts, 4, nvmf_prop_get_csts, NULL, NULL), | |
946 | PROP(aqa, 4, nvmf_prop_get_aqa, nvmf_prop_set_aqa, NULL), | |
947 | PROP(asq, 8, nvmf_prop_get_asq, nvmf_prop_set_asq_lower, nvmf_prop_set_asq_upper), | |
948 | PROP(acq, 8, nvmf_prop_get_acq, nvmf_prop_set_acq_lower, nvmf_prop_set_acq_upper), | |
11fdf7f2 TL |
949 | }; |
950 | ||
951 | static const struct nvmf_prop * | |
f67539c2 | 952 | find_prop(uint32_t ofst, uint8_t size) |
11fdf7f2 TL |
953 | { |
954 | size_t i; | |
955 | ||
956 | for (i = 0; i < SPDK_COUNTOF(nvmf_props); i++) { | |
957 | const struct nvmf_prop *prop = &nvmf_props[i]; | |
958 | ||
f67539c2 | 959 | if ((ofst >= prop->ofst) && (ofst + size <= prop->ofst + prop->size)) { |
11fdf7f2 TL |
960 | return prop; |
961 | } | |
962 | } | |
963 | ||
964 | return NULL; | |
965 | } | |
966 | ||
967 | static int | |
f67539c2 | 968 | nvmf_property_get(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
969 | { |
970 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
971 | struct spdk_nvmf_fabric_prop_get_cmd *cmd = &req->cmd->prop_get_cmd; | |
972 | struct spdk_nvmf_fabric_prop_get_rsp *response = &req->rsp->prop_get_rsp; | |
973 | const struct nvmf_prop *prop; | |
f67539c2 | 974 | uint8_t size; |
11fdf7f2 TL |
975 | |
976 | response->status.sc = 0; | |
977 | response->value.u64 = 0; | |
978 | ||
979 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "size %d, offset 0x%x\n", | |
980 | cmd->attrib.size, cmd->ofst); | |
981 | ||
f67539c2 TL |
982 | switch (cmd->attrib.size) { |
983 | case SPDK_NVMF_PROP_SIZE_4: | |
984 | size = 4; | |
985 | break; | |
986 | case SPDK_NVMF_PROP_SIZE_8: | |
987 | size = 8; | |
988 | break; | |
989 | default: | |
11fdf7f2 TL |
990 | SPDK_ERRLOG("Invalid size value %d\n", cmd->attrib.size); |
991 | response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
992 | response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM; | |
993 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
994 | } | |
995 | ||
f67539c2 | 996 | prop = find_prop(cmd->ofst, size); |
11fdf7f2 | 997 | if (prop == NULL || prop->get_cb == NULL) { |
11fdf7f2 TL |
998 | response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; |
999 | response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM; | |
1000 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1001 | } | |
1002 | ||
f67539c2 TL |
1003 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "name: %s\n", prop->name); |
1004 | ||
11fdf7f2 | 1005 | response->value.u64 = prop->get_cb(ctrlr); |
f67539c2 | 1006 | |
11fdf7f2 TL |
1007 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "response value: 0x%" PRIx64 "\n", response->value.u64); |
1008 | ||
f67539c2 TL |
1009 | if (size != prop->size) { |
1010 | /* The size must be 4 and the prop->size is 8. Figure out which part of the property to read. */ | |
1011 | assert(size == 4); | |
1012 | assert(prop->size == 8); | |
1013 | ||
1014 | if (cmd->ofst == prop->ofst) { | |
1015 | /* Keep bottom 4 bytes only */ | |
1016 | response->value.u64 &= 0xFFFFFFFF; | |
1017 | } else { | |
1018 | /* Keep top 4 bytes only */ | |
1019 | response->value.u64 >>= 32; | |
1020 | } | |
1021 | } | |
1022 | ||
11fdf7f2 TL |
1023 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
1024 | } | |
1025 | ||
1026 | static int | |
f67539c2 | 1027 | nvmf_property_set(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1028 | { |
1029 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1030 | struct spdk_nvmf_fabric_prop_set_cmd *cmd = &req->cmd->prop_set_cmd; | |
1031 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
1032 | const struct nvmf_prop *prop; | |
1033 | uint64_t value; | |
f67539c2 TL |
1034 | uint8_t size; |
1035 | bool ret; | |
11fdf7f2 TL |
1036 | |
1037 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "size %d, offset 0x%x, value 0x%" PRIx64 "\n", | |
1038 | cmd->attrib.size, cmd->ofst, cmd->value.u64); | |
1039 | ||
f67539c2 TL |
1040 | switch (cmd->attrib.size) { |
1041 | case SPDK_NVMF_PROP_SIZE_4: | |
1042 | size = 4; | |
1043 | break; | |
1044 | case SPDK_NVMF_PROP_SIZE_8: | |
1045 | size = 8; | |
1046 | break; | |
1047 | default: | |
1048 | SPDK_ERRLOG("Invalid size value %d\n", cmd->attrib.size); | |
11fdf7f2 TL |
1049 | response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; |
1050 | response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM; | |
1051 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1052 | } | |
1053 | ||
f67539c2 TL |
1054 | prop = find_prop(cmd->ofst, size); |
1055 | if (prop == NULL || prop->set_cb == NULL) { | |
1056 | SPDK_ERRLOG("Invalid offset 0x%x\n", cmd->ofst); | |
11fdf7f2 TL |
1057 | response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; |
1058 | response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM; | |
1059 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1060 | } | |
1061 | ||
f67539c2 TL |
1062 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "name: %s\n", prop->name); |
1063 | ||
11fdf7f2 | 1064 | value = cmd->value.u64; |
f67539c2 TL |
1065 | |
1066 | if (prop->size == 4) { | |
1067 | ret = prop->set_cb(ctrlr, (uint32_t)value); | |
1068 | } else if (size != prop->size) { | |
1069 | /* The size must be 4 and the prop->size is 8. Figure out which part of the property to write. */ | |
1070 | assert(size == 4); | |
1071 | assert(prop->size == 8); | |
1072 | ||
1073 | if (cmd->ofst == prop->ofst) { | |
1074 | ret = prop->set_cb(ctrlr, (uint32_t)value); | |
1075 | } else { | |
1076 | ret = prop->set_upper_cb(ctrlr, (uint32_t)value); | |
1077 | } | |
1078 | } else { | |
1079 | ret = prop->set_cb(ctrlr, (uint32_t)value); | |
1080 | if (ret) { | |
1081 | ret = prop->set_upper_cb(ctrlr, (uint32_t)(value >> 32)); | |
1082 | } | |
11fdf7f2 TL |
1083 | } |
1084 | ||
f67539c2 | 1085 | if (!ret) { |
11fdf7f2 TL |
1086 | SPDK_ERRLOG("prop set_cb failed\n"); |
1087 | response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
1088 | response->status.sc = SPDK_NVMF_FABRIC_SC_INVALID_PARAM; | |
1089 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1090 | } | |
1091 | ||
1092 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1093 | } | |
1094 | ||
1095 | static int | |
f67539c2 | 1096 | nvmf_ctrlr_set_features_arbitration(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1097 | { |
1098 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1099 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1100 | ||
1101 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Arbitration (cdw11 = 0x%0x)\n", cmd->cdw11); | |
1102 | ||
1103 | ctrlr->feat.arbitration.raw = cmd->cdw11; | |
1104 | ctrlr->feat.arbitration.bits.reserved = 0; | |
1105 | ||
1106 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1107 | } | |
1108 | ||
1109 | static int | |
f67539c2 | 1110 | nvmf_ctrlr_set_features_power_management(struct spdk_nvmf_request *req) |
11fdf7f2 | 1111 | { |
11fdf7f2 TL |
1112 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; |
1113 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1114 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1115 | ||
1116 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Power Management (cdw11 = 0x%0x)\n", cmd->cdw11); | |
11fdf7f2 TL |
1117 | |
1118 | /* Only PS = 0 is allowed, since we report NPSS = 0 */ | |
f67539c2 TL |
1119 | if (cmd->cdw11_bits.feat_power_management.bits.ps != 0) { |
1120 | SPDK_ERRLOG("Invalid power state %u\n", cmd->cdw11_bits.feat_power_management.bits.ps); | |
11fdf7f2 TL |
1121 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; |
1122 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1123 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1124 | } | |
1125 | ||
1126 | ctrlr->feat.power_management.raw = cmd->cdw11; | |
1127 | ctrlr->feat.power_management.bits.reserved = 0; | |
1128 | ||
1129 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1130 | } | |
1131 | ||
1132 | static bool | |
1133 | temp_threshold_opts_valid(const union spdk_nvme_feat_temperature_threshold *opts) | |
1134 | { | |
1135 | /* | |
1136 | * Valid TMPSEL values: | |
1137 | * 0000b - 1000b: temperature sensors | |
1138 | * 1111b: set all implemented temperature sensors | |
1139 | */ | |
1140 | if (opts->bits.tmpsel >= 9 && opts->bits.tmpsel != 15) { | |
1141 | /* 1001b - 1110b: reserved */ | |
1142 | SPDK_ERRLOG("Invalid TMPSEL %u\n", opts->bits.tmpsel); | |
1143 | return false; | |
1144 | } | |
1145 | ||
1146 | /* | |
1147 | * Valid THSEL values: | |
1148 | * 00b: over temperature threshold | |
1149 | * 01b: under temperature threshold | |
1150 | */ | |
1151 | if (opts->bits.thsel > 1) { | |
1152 | /* 10b - 11b: reserved */ | |
1153 | SPDK_ERRLOG("Invalid THSEL %u\n", opts->bits.thsel); | |
1154 | return false; | |
1155 | } | |
1156 | ||
1157 | return true; | |
1158 | } | |
1159 | ||
1160 | static int | |
f67539c2 | 1161 | nvmf_ctrlr_set_features_temperature_threshold(struct spdk_nvmf_request *req) |
11fdf7f2 | 1162 | { |
11fdf7f2 TL |
1163 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; |
1164 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1165 | ||
1166 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Temperature Threshold (cdw11 = 0x%0x)\n", cmd->cdw11); | |
11fdf7f2 | 1167 | |
f67539c2 | 1168 | if (!temp_threshold_opts_valid(&cmd->cdw11_bits.feat_temp_threshold)) { |
11fdf7f2 TL |
1169 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; |
1170 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1171 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1172 | } | |
1173 | ||
1174 | /* TODO: no sensors implemented - ignore new values */ | |
1175 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1176 | } | |
1177 | ||
1178 | static int | |
f67539c2 | 1179 | nvmf_ctrlr_get_features_temperature_threshold(struct spdk_nvmf_request *req) |
11fdf7f2 | 1180 | { |
11fdf7f2 TL |
1181 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; |
1182 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1183 | ||
1184 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Get Features - Temperature Threshold (cdw11 = 0x%0x)\n", cmd->cdw11); | |
11fdf7f2 | 1185 | |
f67539c2 | 1186 | if (!temp_threshold_opts_valid(&cmd->cdw11_bits.feat_temp_threshold)) { |
11fdf7f2 TL |
1187 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; |
1188 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1189 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1190 | } | |
1191 | ||
1192 | /* TODO: no sensors implemented - return 0 for all thresholds */ | |
1193 | rsp->cdw0 = 0; | |
1194 | ||
1195 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1196 | } | |
1197 | ||
1198 | static int | |
f67539c2 | 1199 | nvmf_ctrlr_set_features_error_recovery(struct spdk_nvmf_request *req) |
11fdf7f2 | 1200 | { |
11fdf7f2 TL |
1201 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; |
1202 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1203 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1204 | ||
1205 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Error Recovery (cdw11 = 0x%0x)\n", cmd->cdw11); | |
11fdf7f2 | 1206 | |
f67539c2 | 1207 | if (cmd->cdw11_bits.feat_error_recovery.bits.dulbe) { |
11fdf7f2 TL |
1208 | /* |
1209 | * Host is not allowed to set this bit, since we don't advertise it in | |
1210 | * Identify Namespace. | |
1211 | */ | |
1212 | SPDK_ERRLOG("Host set unsupported DULBE bit\n"); | |
1213 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
1214 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1215 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1216 | } | |
1217 | ||
1218 | ctrlr->feat.error_recovery.raw = cmd->cdw11; | |
1219 | ctrlr->feat.error_recovery.bits.reserved = 0; | |
1220 | ||
1221 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1222 | } | |
1223 | ||
1224 | static int | |
f67539c2 | 1225 | nvmf_ctrlr_set_features_volatile_write_cache(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1226 | { |
1227 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1228 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1229 | ||
1230 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Volatile Write Cache (cdw11 = 0x%0x)\n", cmd->cdw11); | |
1231 | ||
1232 | ctrlr->feat.volatile_write_cache.raw = cmd->cdw11; | |
1233 | ctrlr->feat.volatile_write_cache.bits.reserved = 0; | |
1234 | ||
1235 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Volatile Write Cache %s\n", | |
1236 | ctrlr->feat.volatile_write_cache.bits.wce ? "Enabled" : "Disabled"); | |
1237 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1238 | } | |
1239 | ||
1240 | static int | |
f67539c2 | 1241 | nvmf_ctrlr_set_features_write_atomicity(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1242 | { |
1243 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1244 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1245 | ||
1246 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Write Atomicity (cdw11 = 0x%0x)\n", cmd->cdw11); | |
1247 | ||
1248 | ctrlr->feat.write_atomicity.raw = cmd->cdw11; | |
1249 | ctrlr->feat.write_atomicity.bits.reserved = 0; | |
1250 | ||
1251 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1252 | } | |
1253 | ||
1254 | static int | |
f67539c2 | 1255 | nvmf_ctrlr_set_features_host_identifier(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1256 | { |
1257 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
1258 | ||
1259 | SPDK_ERRLOG("Set Features - Host Identifier not allowed\n"); | |
1260 | response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
1261 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1262 | } | |
1263 | ||
1264 | static int | |
f67539c2 | 1265 | nvmf_ctrlr_get_features_host_identifier(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1266 | { |
1267 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1268 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1269 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
11fdf7f2 TL |
1270 | |
1271 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Get Features - Host Identifier\n"); | |
1272 | ||
f67539c2 | 1273 | if (!cmd->cdw11_bits.feat_host_identifier.bits.exhid) { |
11fdf7f2 TL |
1274 | /* NVMe over Fabrics requires EXHID=1 (128-bit/16-byte host ID) */ |
1275 | SPDK_ERRLOG("Get Features - Host Identifier with EXHID=0 not allowed\n"); | |
1276 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1277 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1278 | } | |
1279 | ||
1280 | if (req->data == NULL || req->length < sizeof(ctrlr->hostid)) { | |
1281 | SPDK_ERRLOG("Invalid data buffer for Get Features - Host Identifier\n"); | |
1282 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1283 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1284 | } | |
1285 | ||
9f95a23c TL |
1286 | spdk_uuid_copy((struct spdk_uuid *)req->data, &ctrlr->hostid); |
1287 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1288 | } | |
1289 | ||
1290 | static int | |
f67539c2 | 1291 | nvmf_ctrlr_get_features_reservation_notification_mask(struct spdk_nvmf_request *req) |
9f95a23c TL |
1292 | { |
1293 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1294 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1295 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1296 | struct spdk_nvmf_ns *ns; | |
1297 | ||
1298 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "get Features - Reservation Notificaton Mask\n"); | |
1299 | ||
1300 | if (cmd->nsid == 0xffffffffu) { | |
1301 | SPDK_ERRLOG("get Features - Invalid Namespace ID\n"); | |
1302 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1303 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1304 | } | |
1305 | ||
f67539c2 | 1306 | ns = _nvmf_subsystem_get_ns(ctrlr->subsys, cmd->nsid); |
9f95a23c TL |
1307 | if (ns == NULL) { |
1308 | SPDK_ERRLOG("Set Features - Invalid Namespace ID\n"); | |
1309 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1310 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1311 | } | |
1312 | rsp->cdw0 = ns->mask; | |
1313 | ||
1314 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1315 | } | |
1316 | ||
1317 | static int | |
f67539c2 | 1318 | nvmf_ctrlr_set_features_reservation_notification_mask(struct spdk_nvmf_request *req) |
9f95a23c TL |
1319 | { |
1320 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1321 | struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys; | |
1322 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1323 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1324 | struct spdk_nvmf_ns *ns; | |
1325 | ||
1326 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Reservation Notificaton Mask\n"); | |
1327 | ||
1328 | if (cmd->nsid == 0xffffffffu) { | |
1329 | for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL; | |
1330 | ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) { | |
1331 | ns->mask = cmd->cdw11; | |
1332 | } | |
1333 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1334 | } | |
1335 | ||
f67539c2 | 1336 | ns = _nvmf_subsystem_get_ns(ctrlr->subsys, cmd->nsid); |
9f95a23c TL |
1337 | if (ns == NULL) { |
1338 | SPDK_ERRLOG("Set Features - Invalid Namespace ID\n"); | |
1339 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1340 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1341 | } | |
1342 | ns->mask = cmd->cdw11; | |
1343 | ||
1344 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1345 | } | |
1346 | ||
1347 | static int | |
f67539c2 | 1348 | nvmf_ctrlr_get_features_reservation_persistence(struct spdk_nvmf_request *req) |
9f95a23c TL |
1349 | { |
1350 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1351 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1352 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
1353 | struct spdk_nvmf_ns *ns; | |
1354 | ||
1355 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Get Features - Reservation Persistence\n"); | |
1356 | ||
f67539c2 | 1357 | ns = _nvmf_subsystem_get_ns(ctrlr->subsys, cmd->nsid); |
9f95a23c TL |
1358 | /* NSID with 0xffffffffu also included */ |
1359 | if (ns == NULL) { | |
1360 | SPDK_ERRLOG("Get Features - Invalid Namespace ID\n"); | |
1361 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
1362 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1363 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1364 | } | |
1365 | ||
f67539c2 | 1366 | response->cdw0 = ns->ptpl_activated; |
9f95a23c TL |
1367 | |
1368 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
1369 | response->status.sc = SPDK_NVME_SC_SUCCESS; | |
1370 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1371 | } | |
1372 | ||
1373 | static int | |
f67539c2 | 1374 | nvmf_ctrlr_set_features_reservation_persistence(struct spdk_nvmf_request *req) |
9f95a23c TL |
1375 | { |
1376 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1377 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1378 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
1379 | struct spdk_nvmf_ns *ns; | |
f67539c2 | 1380 | bool ptpl; |
9f95a23c TL |
1381 | |
1382 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Reservation Persistence\n"); | |
1383 | ||
f67539c2 TL |
1384 | ns = _nvmf_subsystem_get_ns(ctrlr->subsys, cmd->nsid); |
1385 | ptpl = cmd->cdw11_bits.feat_rsv_persistence.bits.ptpl; | |
1386 | ||
1387 | if (cmd->nsid != 0xffffffffu && ns && ns->ptpl_file) { | |
1388 | ns->ptpl_activated = ptpl; | |
1389 | } else if (cmd->nsid == 0xffffffffu) { | |
1390 | for (ns = spdk_nvmf_subsystem_get_first_ns(ctrlr->subsys); ns && ns->ptpl_file; | |
1391 | ns = spdk_nvmf_subsystem_get_next_ns(ctrlr->subsys, ns)) { | |
1392 | ns->ptpl_activated = ptpl; | |
1393 | } | |
1394 | } else { | |
1395 | SPDK_ERRLOG("Set Features - Invalid Namespace ID or Reservation Configuration\n"); | |
9f95a23c TL |
1396 | response->status.sct = SPDK_NVME_SCT_GENERIC; |
1397 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1398 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1399 | } | |
1400 | ||
1401 | /* TODO: Feature not changeable for now */ | |
1402 | response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
f67539c2 | 1403 | response->status.sc = SPDK_NVME_SC_FEATURE_ID_NOT_SAVEABLE; |
11fdf7f2 TL |
1404 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
1405 | } | |
1406 | ||
1407 | static int | |
f67539c2 | 1408 | nvmf_ctrlr_set_features_keep_alive_timer(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1409 | { |
1410 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1411 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1412 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1413 | ||
1414 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Keep Alive Timer (%u ms)\n", cmd->cdw11); | |
1415 | ||
9f95a23c TL |
1416 | /* |
1417 | * if attempts to disable keep alive by setting kato to 0h | |
1418 | * a status value of keep alive invalid shall be returned | |
1419 | */ | |
f67539c2 | 1420 | if (cmd->cdw11_bits.feat_keep_alive_timer.bits.kato == 0) { |
11fdf7f2 | 1421 | rsp->status.sc = SPDK_NVME_SC_KEEP_ALIVE_INVALID; |
f67539c2 | 1422 | } else if (cmd->cdw11_bits.feat_keep_alive_timer.bits.kato < MIN_KEEP_ALIVE_TIMEOUT_IN_MS) { |
9f95a23c | 1423 | ctrlr->feat.keep_alive_timer.bits.kato = MIN_KEEP_ALIVE_TIMEOUT_IN_MS; |
11fdf7f2 | 1424 | } else { |
9f95a23c | 1425 | /* round up to milliseconds */ |
f67539c2 TL |
1426 | ctrlr->feat.keep_alive_timer.bits.kato = spdk_divide_round_up( |
1427 | cmd->cdw11_bits.feat_keep_alive_timer.bits.kato, | |
1428 | KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS) * | |
9f95a23c TL |
1429 | KAS_DEFAULT_VALUE * KAS_TIME_UNIT_IN_MS; |
1430 | } | |
1431 | ||
1432 | /* | |
1433 | * if change the keep alive timeout value successfully | |
1434 | * update the keep alive poller. | |
1435 | */ | |
f67539c2 | 1436 | if (cmd->cdw11_bits.feat_keep_alive_timer.bits.kato != 0) { |
9f95a23c TL |
1437 | if (ctrlr->keep_alive_poller != NULL) { |
1438 | spdk_poller_unregister(&ctrlr->keep_alive_poller); | |
1439 | } | |
f67539c2 | 1440 | ctrlr->keep_alive_poller = SPDK_POLLER_REGISTER(nvmf_ctrlr_keep_alive_poll, ctrlr, |
9f95a23c | 1441 | ctrlr->feat.keep_alive_timer.bits.kato * 1000); |
11fdf7f2 TL |
1442 | } |
1443 | ||
1444 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Keep Alive Timer set to %u ms\n", | |
1445 | ctrlr->feat.keep_alive_timer.bits.kato); | |
1446 | ||
1447 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1448 | } | |
1449 | ||
1450 | static int | |
f67539c2 | 1451 | nvmf_ctrlr_set_features_number_of_queues(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1452 | { |
1453 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1454 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
1455 | uint32_t count; | |
1456 | ||
1457 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Number of Queues, cdw11 0x%x\n", | |
1458 | req->cmd->nvme_cmd.cdw11); | |
1459 | ||
1460 | count = spdk_bit_array_count_set(ctrlr->qpair_mask); | |
1461 | /* verify that the controller is ready to process commands */ | |
1462 | if (count > 1) { | |
1463 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Queue pairs already active!\n"); | |
1464 | rsp->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
1465 | } else { | |
1466 | /* | |
1467 | * Ignore the value requested by the host - | |
1468 | * always return the pre-configured value based on max_qpairs_allowed. | |
1469 | */ | |
1470 | rsp->cdw0 = ctrlr->feat.number_of_queues.raw; | |
1471 | } | |
1472 | ||
1473 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1474 | } | |
1475 | ||
1476 | static int | |
f67539c2 | 1477 | nvmf_ctrlr_set_features_async_event_configuration(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1478 | { |
1479 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1480 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1481 | ||
1482 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Async Event Configuration, cdw11 0x%08x\n", | |
1483 | cmd->cdw11); | |
1484 | ctrlr->feat.async_event_configuration.raw = cmd->cdw11; | |
1485 | ctrlr->feat.async_event_configuration.bits.reserved = 0; | |
1486 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1487 | } | |
1488 | ||
1489 | static int | |
f67539c2 | 1490 | nvmf_ctrlr_async_event_request(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1491 | { |
1492 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1493 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
9f95a23c | 1494 | struct spdk_nvmf_subsystem_poll_group *sgroup; |
11fdf7f2 TL |
1495 | |
1496 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Async Event Request\n"); | |
1497 | ||
f67539c2 TL |
1498 | /* Four asynchronous events are supported for now */ |
1499 | if (ctrlr->nr_aer_reqs >= NVMF_MAX_ASYNC_EVENTS) { | |
11fdf7f2 TL |
1500 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "AERL exceeded\n"); |
1501 | rsp->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
1502 | rsp->status.sc = SPDK_NVME_SC_ASYNC_EVENT_REQUEST_LIMIT_EXCEEDED; | |
1503 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1504 | } | |
1505 | ||
1506 | if (ctrlr->notice_event.bits.async_event_type == | |
1507 | SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE) { | |
1508 | rsp->cdw0 = ctrlr->notice_event.raw; | |
1509 | ctrlr->notice_event.raw = 0; | |
1510 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1511 | } | |
1512 | ||
9f95a23c TL |
1513 | if (ctrlr->reservation_event.bits.async_event_type == |
1514 | SPDK_NVME_ASYNC_EVENT_TYPE_IO) { | |
1515 | rsp->cdw0 = ctrlr->reservation_event.raw; | |
1516 | ctrlr->reservation_event.raw = 0; | |
1517 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1518 | } | |
1519 | ||
1520 | /* AER cmd is an exception */ | |
1521 | sgroup = &req->qpair->group->sgroups[ctrlr->subsys->id]; | |
f67539c2 | 1522 | assert(sgroup != NULL); |
9f95a23c TL |
1523 | sgroup->io_outstanding--; |
1524 | ||
f67539c2 | 1525 | ctrlr->aer_req[ctrlr->nr_aer_reqs++] = req; |
11fdf7f2 TL |
1526 | return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; |
1527 | } | |
1528 | ||
1529 | static void | |
f67539c2 | 1530 | nvmf_get_firmware_slot_log_page(void *buffer, uint64_t offset, uint32_t length) |
11fdf7f2 TL |
1531 | { |
1532 | struct spdk_nvme_firmware_page fw_page; | |
1533 | size_t copy_len; | |
1534 | ||
1535 | memset(&fw_page, 0, sizeof(fw_page)); | |
1536 | fw_page.afi.active_slot = 1; | |
1537 | fw_page.afi.next_reset_slot = 0; | |
1538 | spdk_strcpy_pad(fw_page.revision[0], FW_VERSION, sizeof(fw_page.revision[0]), ' '); | |
1539 | ||
1540 | if (offset < sizeof(fw_page)) { | |
1541 | copy_len = spdk_min(sizeof(fw_page) - offset, length); | |
1542 | if (copy_len > 0) { | |
1543 | memcpy(buffer, (const char *)&fw_page + offset, copy_len); | |
1544 | } | |
1545 | } | |
1546 | } | |
1547 | ||
1548 | void | |
f67539c2 | 1549 | nvmf_ctrlr_ns_changed(struct spdk_nvmf_ctrlr *ctrlr, uint32_t nsid) |
11fdf7f2 TL |
1550 | { |
1551 | uint16_t max_changes = SPDK_COUNTOF(ctrlr->changed_ns_list.ns_list); | |
1552 | uint16_t i; | |
1553 | bool found = false; | |
1554 | ||
1555 | for (i = 0; i < ctrlr->changed_ns_list_count; i++) { | |
1556 | if (ctrlr->changed_ns_list.ns_list[i] == nsid) { | |
1557 | /* nsid is already in the list */ | |
1558 | found = true; | |
1559 | break; | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | if (!found) { | |
1564 | if (ctrlr->changed_ns_list_count == max_changes) { | |
1565 | /* Out of space - set first entry to FFFFFFFFh and zero-fill the rest. */ | |
1566 | ctrlr->changed_ns_list.ns_list[0] = 0xFFFFFFFFu; | |
1567 | for (i = 1; i < max_changes; i++) { | |
1568 | ctrlr->changed_ns_list.ns_list[i] = 0; | |
1569 | } | |
1570 | } else { | |
1571 | ctrlr->changed_ns_list.ns_list[ctrlr->changed_ns_list_count++] = nsid; | |
1572 | } | |
1573 | } | |
11fdf7f2 TL |
1574 | } |
1575 | ||
1576 | static void | |
f67539c2 TL |
1577 | nvmf_get_changed_ns_list_log_page(struct spdk_nvmf_ctrlr *ctrlr, |
1578 | void *buffer, uint64_t offset, uint32_t length) | |
11fdf7f2 TL |
1579 | { |
1580 | size_t copy_length; | |
1581 | ||
1582 | if (offset < sizeof(ctrlr->changed_ns_list)) { | |
1583 | copy_length = spdk_min(length, sizeof(ctrlr->changed_ns_list) - offset); | |
1584 | if (copy_length) { | |
1585 | memcpy(buffer, (char *)&ctrlr->changed_ns_list + offset, copy_length); | |
1586 | } | |
1587 | } | |
1588 | ||
1589 | /* Clear log page each time it is read */ | |
1590 | ctrlr->changed_ns_list_count = 0; | |
1591 | memset(&ctrlr->changed_ns_list, 0, sizeof(ctrlr->changed_ns_list)); | |
1592 | } | |
1593 | ||
1594 | /* The structure can be modified if we provide support for other commands in future */ | |
1595 | static const struct spdk_nvme_cmds_and_effect_log_page g_cmds_and_effect_log_page = { | |
1596 | .admin_cmds_supported = { | |
1597 | /* CSUPP, LBCC, NCC, NIC, CCC, CSE */ | |
1598 | /* Get Log Page */ | |
1599 | [SPDK_NVME_OPC_GET_LOG_PAGE] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1600 | /* Identify */ | |
1601 | [SPDK_NVME_OPC_IDENTIFY] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1602 | /* Abort */ | |
1603 | [SPDK_NVME_OPC_ABORT] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1604 | /* Set Features */ | |
1605 | [SPDK_NVME_OPC_SET_FEATURES] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1606 | /* Get Features */ | |
1607 | [SPDK_NVME_OPC_GET_FEATURES] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1608 | /* Async Event Request */ | |
1609 | [SPDK_NVME_OPC_ASYNC_EVENT_REQUEST] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1610 | /* Keep Alive */ | |
1611 | [SPDK_NVME_OPC_KEEP_ALIVE] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1612 | }, | |
1613 | .io_cmds_supported = { | |
1614 | /* FLUSH */ | |
1615 | [SPDK_NVME_OPC_FLUSH] = {1, 1, 0, 0, 0, 0, 0, 0}, | |
1616 | /* WRITE */ | |
1617 | [SPDK_NVME_OPC_WRITE] = {1, 1, 0, 0, 0, 0, 0, 0}, | |
1618 | /* READ */ | |
1619 | [SPDK_NVME_OPC_READ] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
1620 | /* WRITE ZEROES */ | |
1621 | [SPDK_NVME_OPC_WRITE_ZEROES] = {1, 1, 0, 0, 0, 0, 0, 0}, | |
1622 | /* DATASET MANAGEMENT */ | |
1623 | [SPDK_NVME_OPC_DATASET_MANAGEMENT] = {1, 1, 0, 0, 0, 0, 0, 0}, | |
f67539c2 TL |
1624 | /* COMPARE */ |
1625 | [SPDK_NVME_OPC_COMPARE] = {1, 0, 0, 0, 0, 0, 0, 0}, | |
11fdf7f2 TL |
1626 | }, |
1627 | }; | |
1628 | ||
1629 | static void | |
f67539c2 TL |
1630 | nvmf_get_cmds_and_effects_log_page(void *buffer, |
1631 | uint64_t offset, uint32_t length) | |
11fdf7f2 TL |
1632 | { |
1633 | uint32_t page_size = sizeof(struct spdk_nvme_cmds_and_effect_log_page); | |
1634 | size_t copy_len = 0; | |
1635 | size_t zero_len = length; | |
1636 | ||
1637 | if (offset < page_size) { | |
1638 | copy_len = spdk_min(page_size - offset, length); | |
1639 | zero_len -= copy_len; | |
1640 | memcpy(buffer, (char *)(&g_cmds_and_effect_log_page) + offset, copy_len); | |
1641 | } | |
1642 | ||
1643 | if (zero_len) { | |
1644 | memset((char *)buffer + copy_len, 0, zero_len); | |
1645 | } | |
1646 | } | |
1647 | ||
9f95a23c | 1648 | static void |
f67539c2 | 1649 | nvmf_get_reservation_notification_log_page(struct spdk_nvmf_ctrlr *ctrlr, |
9f95a23c TL |
1650 | void *data, uint64_t offset, uint32_t length) |
1651 | { | |
1652 | uint32_t unit_log_len, avail_log_len, next_pos, copy_len; | |
1653 | struct spdk_nvmf_reservation_log *log, *log_tmp; | |
1654 | uint8_t *buf = data; | |
1655 | ||
1656 | unit_log_len = sizeof(struct spdk_nvme_reservation_notification_log); | |
1657 | /* No available log, return 1 zeroed log page */ | |
1658 | if (!ctrlr->num_avail_log_pages) { | |
1659 | memset(buf, 0, spdk_min(length, unit_log_len)); | |
1660 | return; | |
1661 | } | |
1662 | ||
1663 | avail_log_len = ctrlr->num_avail_log_pages * unit_log_len; | |
1664 | if (offset >= avail_log_len) { | |
1665 | return; | |
1666 | } | |
1667 | ||
1668 | next_pos = copy_len = 0; | |
1669 | TAILQ_FOREACH_SAFE(log, &ctrlr->log_head, link, log_tmp) { | |
1670 | TAILQ_REMOVE(&ctrlr->log_head, log, link); | |
1671 | ctrlr->num_avail_log_pages--; | |
1672 | ||
1673 | next_pos += unit_log_len; | |
1674 | if (next_pos > offset) { | |
1675 | copy_len = spdk_min(next_pos - offset, length); | |
1676 | memcpy(buf, &log->log, copy_len); | |
1677 | length -= copy_len; | |
1678 | offset += copy_len; | |
1679 | buf += copy_len; | |
1680 | } | |
1681 | free(log); | |
1682 | ||
1683 | if (length == 0) { | |
1684 | break; | |
1685 | } | |
1686 | } | |
1687 | return; | |
1688 | } | |
1689 | ||
11fdf7f2 | 1690 | static int |
f67539c2 | 1691 | nvmf_ctrlr_get_log_page(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
1692 | { |
1693 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
1694 | struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys; | |
1695 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
1696 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
1697 | uint64_t offset, len; | |
1698 | uint32_t numdl, numdu; | |
1699 | uint8_t lid; | |
1700 | ||
1701 | if (req->data == NULL) { | |
1702 | SPDK_ERRLOG("get log command with no buffer\n"); | |
1703 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
1704 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1705 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1706 | } | |
1707 | ||
1708 | offset = (uint64_t)cmd->cdw12 | ((uint64_t)cmd->cdw13 << 32); | |
1709 | if (offset & 3) { | |
1710 | SPDK_ERRLOG("Invalid log page offset 0x%" PRIx64 "\n", offset); | |
1711 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
1712 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1713 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1714 | } | |
1715 | ||
f67539c2 TL |
1716 | numdl = cmd->cdw10_bits.get_log_page.numdl; |
1717 | numdu = cmd->cdw11_bits.get_log_page.numdu; | |
11fdf7f2 TL |
1718 | len = ((numdu << 16) + numdl + (uint64_t)1) * 4; |
1719 | if (len > req->length) { | |
1720 | SPDK_ERRLOG("Get log page: len (%" PRIu64 ") > buf size (%u)\n", | |
1721 | len, req->length); | |
1722 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
1723 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1724 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1725 | } | |
1726 | ||
f67539c2 | 1727 | lid = cmd->cdw10_bits.get_log_page.lid; |
11fdf7f2 TL |
1728 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Get log page: LID=0x%02X offset=0x%" PRIx64 " len=0x%" PRIx64 "\n", |
1729 | lid, offset, len); | |
1730 | ||
1731 | if (subsystem->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY) { | |
1732 | switch (lid) { | |
1733 | case SPDK_NVME_LOG_DISCOVERY: | |
f67539c2 TL |
1734 | nvmf_get_discovery_log_page(subsystem->tgt, ctrlr->hostnqn, req->iov, req->iovcnt, offset, |
1735 | len); | |
11fdf7f2 TL |
1736 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
1737 | default: | |
1738 | goto invalid_log_page; | |
1739 | } | |
1740 | } else { | |
1741 | switch (lid) { | |
1742 | case SPDK_NVME_LOG_ERROR: | |
1743 | case SPDK_NVME_LOG_HEALTH_INFORMATION: | |
1744 | /* TODO: actually fill out log page data */ | |
1745 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1746 | case SPDK_NVME_LOG_FIRMWARE_SLOT: | |
f67539c2 | 1747 | nvmf_get_firmware_slot_log_page(req->data, offset, len); |
11fdf7f2 TL |
1748 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
1749 | case SPDK_NVME_LOG_COMMAND_EFFECTS_LOG: | |
f67539c2 | 1750 | nvmf_get_cmds_and_effects_log_page(req->data, offset, len); |
11fdf7f2 TL |
1751 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
1752 | case SPDK_NVME_LOG_CHANGED_NS_LIST: | |
f67539c2 | 1753 | nvmf_get_changed_ns_list_log_page(ctrlr, req->data, offset, len); |
11fdf7f2 | 1754 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
9f95a23c | 1755 | case SPDK_NVME_LOG_RESERVATION_NOTIFICATION: |
f67539c2 | 1756 | nvmf_get_reservation_notification_log_page(ctrlr, req->data, offset, len); |
9f95a23c | 1757 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
11fdf7f2 TL |
1758 | default: |
1759 | goto invalid_log_page; | |
1760 | } | |
1761 | } | |
1762 | ||
1763 | invalid_log_page: | |
1764 | SPDK_ERRLOG("Unsupported Get Log Page 0x%02X\n", lid); | |
1765 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
1766 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
1767 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1768 | } | |
1769 | ||
f67539c2 | 1770 | int |
11fdf7f2 TL |
1771 | spdk_nvmf_ctrlr_identify_ns(struct spdk_nvmf_ctrlr *ctrlr, |
1772 | struct spdk_nvme_cmd *cmd, | |
1773 | struct spdk_nvme_cpl *rsp, | |
1774 | struct spdk_nvme_ns_data *nsdata) | |
1775 | { | |
1776 | struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys; | |
1777 | struct spdk_nvmf_ns *ns; | |
1778 | uint32_t max_num_blocks; | |
1779 | ||
1780 | if (cmd->nsid == 0 || cmd->nsid > subsystem->max_nsid) { | |
1781 | SPDK_ERRLOG("Identify Namespace for invalid NSID %u\n", cmd->nsid); | |
1782 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
1783 | rsp->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT; | |
1784 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1785 | } | |
1786 | ||
f67539c2 | 1787 | ns = _nvmf_subsystem_get_ns(subsystem, cmd->nsid); |
11fdf7f2 TL |
1788 | if (ns == NULL || ns->bdev == NULL) { |
1789 | /* | |
1790 | * Inactive namespaces should return a zero filled data structure. | |
f67539c2 | 1791 | * The data buffer is already zeroed by nvmf_ctrlr_process_admin_cmd(), |
11fdf7f2 TL |
1792 | * so we can just return early here. |
1793 | */ | |
1794 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Identify Namespace for inactive NSID %u\n", cmd->nsid); | |
1795 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
1796 | rsp->status.sc = SPDK_NVME_SC_SUCCESS; | |
1797 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1798 | } | |
1799 | ||
f67539c2 | 1800 | nvmf_bdev_ctrlr_identify_ns(ns, nsdata, ctrlr->dif_insert_or_strip); |
11fdf7f2 TL |
1801 | |
1802 | /* Due to bug in the Linux kernel NVMe driver we have to set noiob no larger than mdts */ | |
1803 | max_num_blocks = ctrlr->admin_qpair->transport->opts.max_io_size / | |
1804 | (1U << nsdata->lbaf[nsdata->flbas.format].lbads); | |
1805 | if (nsdata->noiob > max_num_blocks) { | |
1806 | nsdata->noiob = max_num_blocks; | |
1807 | } | |
1808 | ||
1809 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1810 | } | |
1811 | ||
f67539c2 TL |
1812 | static void |
1813 | nvmf_ctrlr_populate_oacs(struct spdk_nvmf_ctrlr *ctrlr, | |
1814 | struct spdk_nvme_ctrlr_data *cdata) | |
1815 | { | |
1816 | cdata->oacs.virtualization_management = | |
1817 | g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_VIRTUALIZATION_MANAGEMENT].hdlr != NULL; | |
1818 | cdata->oacs.nvme_mi = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NVME_MI_SEND].hdlr != NULL | |
1819 | && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NVME_MI_RECEIVE].hdlr != NULL; | |
1820 | cdata->oacs.directives = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_DIRECTIVE_SEND].hdlr != NULL | |
1821 | && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_DIRECTIVE_RECEIVE].hdlr != NULL; | |
1822 | cdata->oacs.device_self_test = | |
1823 | g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_DEVICE_SELF_TEST].hdlr != NULL; | |
1824 | cdata->oacs.ns_manage = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NS_MANAGEMENT].hdlr != NULL | |
1825 | && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_NS_ATTACHMENT].hdlr != NULL; | |
1826 | cdata->oacs.firmware = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD].hdlr != | |
1827 | NULL | |
1828 | && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_FIRMWARE_COMMIT].hdlr != NULL; | |
1829 | cdata->oacs.format = | |
1830 | g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_FORMAT_NVM].hdlr != NULL; | |
1831 | cdata->oacs.security = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_SECURITY_SEND].hdlr != NULL | |
1832 | && g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_SECURITY_RECEIVE].hdlr != NULL; | |
1833 | cdata->oacs.get_lba_status = g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_GET_LBA_STATUS].hdlr != | |
1834 | NULL; | |
1835 | } | |
1836 | ||
1837 | int | |
11fdf7f2 TL |
1838 | spdk_nvmf_ctrlr_identify_ctrlr(struct spdk_nvmf_ctrlr *ctrlr, struct spdk_nvme_ctrlr_data *cdata) |
1839 | { | |
1840 | struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys; | |
1841 | struct spdk_nvmf_transport *transport = ctrlr->admin_qpair->transport; | |
1842 | ||
1843 | /* | |
1844 | * Common fields for discovery and NVM subsystems | |
1845 | */ | |
1846 | spdk_strcpy_pad(cdata->fr, FW_VERSION, sizeof(cdata->fr), ' '); | |
1847 | assert((transport->opts.max_io_size % 4096) == 0); | |
1848 | cdata->mdts = spdk_u32log2(transport->opts.max_io_size / 4096); | |
1849 | cdata->cntlid = ctrlr->cntlid; | |
1850 | cdata->ver = ctrlr->vcprop.vs; | |
f67539c2 | 1851 | cdata->aerl = NVMF_MAX_ASYNC_EVENTS - 1; |
11fdf7f2 TL |
1852 | cdata->lpa.edlp = 1; |
1853 | cdata->elpe = 127; | |
1854 | cdata->maxcmd = transport->opts.max_queue_depth; | |
f67539c2 TL |
1855 | cdata->sgls = ctrlr->cdata.sgls; |
1856 | cdata->fuses.compare_and_write = 1; | |
1857 | cdata->acwu = 1; | |
11fdf7f2 TL |
1858 | spdk_strcpy_pad(cdata->subnqn, subsystem->subnqn, sizeof(cdata->subnqn), '\0'); |
1859 | ||
1860 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "ctrlr data: maxcmd 0x%x\n", cdata->maxcmd); | |
1861 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "sgls data: 0x%x\n", from_le32(&cdata->sgls)); | |
1862 | ||
1863 | /* | |
1864 | * NVM subsystem fields (reserved for discovery subsystems) | |
1865 | */ | |
1866 | if (subsystem->subtype == SPDK_NVMF_SUBTYPE_NVME) { | |
9f95a23c | 1867 | spdk_strcpy_pad(cdata->mn, spdk_nvmf_subsystem_get_mn(subsystem), sizeof(cdata->mn), ' '); |
11fdf7f2 | 1868 | spdk_strcpy_pad(cdata->sn, spdk_nvmf_subsystem_get_sn(subsystem), sizeof(cdata->sn), ' '); |
f67539c2 | 1869 | cdata->kas = ctrlr->cdata.kas; |
11fdf7f2 TL |
1870 | |
1871 | cdata->rab = 6; | |
1872 | cdata->cmic.multi_port = 1; | |
1873 | cdata->cmic.multi_host = 1; | |
1874 | cdata->oaes.ns_attribute_notices = 1; | |
1875 | cdata->ctratt.host_id_exhid_supported = 1; | |
f67539c2 TL |
1876 | /* TODO: Concurrent execution of multiple abort commands. */ |
1877 | cdata->acl = 0; | |
11fdf7f2 TL |
1878 | cdata->aerl = 0; |
1879 | cdata->frmw.slot1_ro = 1; | |
1880 | cdata->frmw.num_slots = 1; | |
1881 | ||
1882 | cdata->lpa.celp = 1; /* Command Effects log page supported */ | |
1883 | ||
1884 | cdata->sqes.min = 6; | |
1885 | cdata->sqes.max = 6; | |
1886 | cdata->cqes.min = 4; | |
1887 | cdata->cqes.max = 4; | |
1888 | cdata->nn = subsystem->max_nsid; | |
1889 | cdata->vwc.present = 1; | |
1890 | cdata->vwc.flush_broadcast = SPDK_NVME_FLUSH_BROADCAST_NOT_SUPPORTED; | |
1891 | ||
f67539c2 | 1892 | cdata->nvmf_specific = ctrlr->cdata.nvmf_specific; |
11fdf7f2 | 1893 | |
f67539c2 TL |
1894 | cdata->oncs.dsm = nvmf_ctrlr_dsm_supported(ctrlr); |
1895 | cdata->oncs.write_zeroes = nvmf_ctrlr_write_zeroes_supported(ctrlr); | |
9f95a23c | 1896 | cdata->oncs.reservations = 1; |
11fdf7f2 | 1897 | |
f67539c2 TL |
1898 | nvmf_ctrlr_populate_oacs(ctrlr, cdata); |
1899 | ||
11fdf7f2 TL |
1900 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "ext ctrlr data: ioccsz 0x%x\n", |
1901 | cdata->nvmf_specific.ioccsz); | |
1902 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "ext ctrlr data: iorcsz 0x%x\n", | |
1903 | cdata->nvmf_specific.iorcsz); | |
1904 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "ext ctrlr data: icdoff 0x%x\n", | |
1905 | cdata->nvmf_specific.icdoff); | |
1906 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "ext ctrlr data: ctrattr 0x%x\n", | |
1907 | *(uint8_t *)&cdata->nvmf_specific.ctrattr); | |
1908 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "ext ctrlr data: msdbd 0x%x\n", | |
1909 | cdata->nvmf_specific.msdbd); | |
1910 | } | |
1911 | ||
1912 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1913 | } | |
1914 | ||
1915 | static int | |
f67539c2 TL |
1916 | nvmf_ctrlr_identify_active_ns_list(struct spdk_nvmf_subsystem *subsystem, |
1917 | struct spdk_nvme_cmd *cmd, | |
1918 | struct spdk_nvme_cpl *rsp, | |
1919 | struct spdk_nvme_ns_list *ns_list) | |
11fdf7f2 TL |
1920 | { |
1921 | struct spdk_nvmf_ns *ns; | |
1922 | uint32_t count = 0; | |
1923 | ||
1924 | if (cmd->nsid >= 0xfffffffeUL) { | |
1925 | SPDK_ERRLOG("Identify Active Namespace List with invalid NSID %u\n", cmd->nsid); | |
1926 | rsp->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT; | |
1927 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1928 | } | |
1929 | ||
1930 | for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL; | |
1931 | ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) { | |
1932 | if (ns->opts.nsid <= cmd->nsid) { | |
1933 | continue; | |
1934 | } | |
1935 | ||
1936 | ns_list->ns_list[count++] = ns->opts.nsid; | |
1937 | if (count == SPDK_COUNTOF(ns_list->ns_list)) { | |
1938 | break; | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1943 | } | |
1944 | ||
1945 | static void | |
1946 | _add_ns_id_desc(void **buf_ptr, size_t *buf_remain, | |
1947 | enum spdk_nvme_nidt type, | |
1948 | const void *data, size_t data_size) | |
1949 | { | |
1950 | struct spdk_nvme_ns_id_desc *desc; | |
1951 | size_t desc_size = sizeof(*desc) + data_size; | |
1952 | ||
1953 | /* | |
1954 | * These should never fail in practice, since all valid NS ID descriptors | |
1955 | * should be defined so that they fit in the available 4096-byte buffer. | |
1956 | */ | |
1957 | assert(data_size > 0); | |
1958 | assert(data_size <= UINT8_MAX); | |
1959 | assert(desc_size < *buf_remain); | |
1960 | if (data_size == 0 || data_size > UINT8_MAX || desc_size > *buf_remain) { | |
1961 | return; | |
1962 | } | |
1963 | ||
1964 | desc = *buf_ptr; | |
1965 | desc->nidt = type; | |
1966 | desc->nidl = data_size; | |
1967 | memcpy(desc->nid, data, data_size); | |
1968 | ||
1969 | *buf_ptr += desc_size; | |
1970 | *buf_remain -= desc_size; | |
1971 | } | |
1972 | ||
1973 | static int | |
f67539c2 | 1974 | nvmf_ctrlr_identify_ns_id_descriptor_list( |
11fdf7f2 TL |
1975 | struct spdk_nvmf_subsystem *subsystem, |
1976 | struct spdk_nvme_cmd *cmd, | |
1977 | struct spdk_nvme_cpl *rsp, | |
1978 | void *id_desc_list, size_t id_desc_list_size) | |
1979 | { | |
1980 | struct spdk_nvmf_ns *ns; | |
1981 | size_t buf_remain = id_desc_list_size; | |
1982 | void *buf_ptr = id_desc_list; | |
1983 | ||
f67539c2 | 1984 | ns = _nvmf_subsystem_get_ns(subsystem, cmd->nsid); |
11fdf7f2 TL |
1985 | if (ns == NULL || ns->bdev == NULL) { |
1986 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
1987 | rsp->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT; | |
1988 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
1989 | } | |
1990 | ||
1991 | #define ADD_ID_DESC(type, data, size) \ | |
1992 | do { \ | |
1993 | if (!spdk_mem_all_zero(data, size)) { \ | |
1994 | _add_ns_id_desc(&buf_ptr, &buf_remain, type, data, size); \ | |
1995 | } \ | |
1996 | } while (0) | |
1997 | ||
1998 | ADD_ID_DESC(SPDK_NVME_NIDT_EUI64, ns->opts.eui64, sizeof(ns->opts.eui64)); | |
1999 | ADD_ID_DESC(SPDK_NVME_NIDT_NGUID, ns->opts.nguid, sizeof(ns->opts.nguid)); | |
2000 | ADD_ID_DESC(SPDK_NVME_NIDT_UUID, &ns->opts.uuid, sizeof(ns->opts.uuid)); | |
2001 | ||
2002 | /* | |
2003 | * The list is automatically 0-terminated because controller to host buffers in | |
f67539c2 | 2004 | * admin commands always get zeroed in nvmf_ctrlr_process_admin_cmd(). |
11fdf7f2 TL |
2005 | */ |
2006 | ||
2007 | #undef ADD_ID_DESC | |
2008 | ||
2009 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2010 | } | |
2011 | ||
2012 | static int | |
f67539c2 | 2013 | nvmf_ctrlr_identify(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
2014 | { |
2015 | uint8_t cns; | |
2016 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
2017 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
2018 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
2019 | struct spdk_nvmf_subsystem *subsystem = ctrlr->subsys; | |
2020 | ||
2021 | if (req->data == NULL || req->length < 4096) { | |
2022 | SPDK_ERRLOG("identify command with invalid buffer\n"); | |
2023 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2024 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
2025 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2026 | } | |
2027 | ||
f67539c2 | 2028 | cns = cmd->cdw10_bits.identify.cns; |
11fdf7f2 TL |
2029 | |
2030 | if (subsystem->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY && | |
2031 | cns != SPDK_NVME_IDENTIFY_CTRLR) { | |
2032 | /* Discovery controllers only support Identify Controller */ | |
2033 | goto invalid_cns; | |
2034 | } | |
2035 | ||
2036 | switch (cns) { | |
2037 | case SPDK_NVME_IDENTIFY_NS: | |
2038 | return spdk_nvmf_ctrlr_identify_ns(ctrlr, cmd, rsp, req->data); | |
2039 | case SPDK_NVME_IDENTIFY_CTRLR: | |
2040 | return spdk_nvmf_ctrlr_identify_ctrlr(ctrlr, req->data); | |
2041 | case SPDK_NVME_IDENTIFY_ACTIVE_NS_LIST: | |
f67539c2 | 2042 | return nvmf_ctrlr_identify_active_ns_list(subsystem, cmd, rsp, req->data); |
11fdf7f2 | 2043 | case SPDK_NVME_IDENTIFY_NS_ID_DESCRIPTOR_LIST: |
f67539c2 | 2044 | return nvmf_ctrlr_identify_ns_id_descriptor_list(subsystem, cmd, rsp, req->data, req->length); |
11fdf7f2 TL |
2045 | default: |
2046 | goto invalid_cns; | |
2047 | } | |
2048 | ||
2049 | invalid_cns: | |
2050 | SPDK_ERRLOG("Identify command with unsupported CNS 0x%02x\n", cns); | |
2051 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2052 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
2053 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2054 | } | |
2055 | ||
f67539c2 TL |
2056 | static bool |
2057 | nvmf_qpair_abort_aer(struct spdk_nvmf_qpair *qpair, uint16_t cid) | |
11fdf7f2 TL |
2058 | { |
2059 | struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr; | |
2060 | struct spdk_nvmf_request *req; | |
f67539c2 TL |
2061 | int i; |
2062 | ||
2063 | if (!nvmf_qpair_is_admin_queue(qpair)) { | |
2064 | return false; | |
2065 | } | |
11fdf7f2 | 2066 | |
f67539c2 TL |
2067 | for (i = 0; i < ctrlr->nr_aer_reqs; i++) { |
2068 | if (ctrlr->aer_req[i]->cmd->nvme_cmd.cid == cid) { | |
11fdf7f2 | 2069 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Aborting AER request\n"); |
f67539c2 TL |
2070 | req = ctrlr->aer_req[i]; |
2071 | ctrlr->aer_req[i] = NULL; | |
2072 | ctrlr->nr_aer_reqs--; | |
2073 | ||
2074 | /* Move the last req to the aborting position for making aer_reqs | |
2075 | * in continuous | |
2076 | */ | |
2077 | if (i < ctrlr->nr_aer_reqs) { | |
2078 | ctrlr->aer_req[i] = ctrlr->aer_req[ctrlr->nr_aer_reqs]; | |
2079 | ctrlr->aer_req[ctrlr->nr_aer_reqs] = NULL; | |
2080 | } | |
2081 | ||
2082 | req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; | |
2083 | req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_ABORTED_BY_REQUEST; | |
2084 | _nvmf_request_complete(req); | |
2085 | return true; | |
11fdf7f2 TL |
2086 | } |
2087 | } | |
2088 | ||
f67539c2 TL |
2089 | return false; |
2090 | } | |
2091 | ||
2092 | static void | |
2093 | nvmf_qpair_abort_request(struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_request *req) | |
2094 | { | |
2095 | uint16_t cid = req->cmd->nvme_cmd.cdw10_bits.abort.cid; | |
2096 | ||
2097 | if (nvmf_qpair_abort_aer(qpair, cid)) { | |
2098 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "abort ctrlr=%p sqid=%u cid=%u successful\n", | |
2099 | qpair->ctrlr, qpair->qid, cid); | |
2100 | req->rsp->nvme_cpl.cdw0 &= ~1U; /* Command successfully aborted */ | |
2101 | ||
2102 | spdk_nvmf_request_complete(req); | |
2103 | return; | |
2104 | } | |
2105 | ||
2106 | nvmf_transport_qpair_abort_request(qpair, req); | |
11fdf7f2 TL |
2107 | } |
2108 | ||
2109 | static void | |
f67539c2 | 2110 | nvmf_ctrlr_abort_done(struct spdk_io_channel_iter *i, int status) |
11fdf7f2 TL |
2111 | { |
2112 | struct spdk_nvmf_request *req = spdk_io_channel_iter_get_ctx(i); | |
2113 | ||
f67539c2 TL |
2114 | if (status == 0) { |
2115 | /* There was no qpair whose ID matches SQID of the abort command. | |
2116 | * Hence call _nvmf_request_complete() here. | |
2117 | */ | |
2118 | _nvmf_request_complete(req); | |
2119 | } | |
11fdf7f2 TL |
2120 | } |
2121 | ||
2122 | static void | |
f67539c2 | 2123 | nvmf_ctrlr_abort_on_pg(struct spdk_io_channel_iter *i) |
11fdf7f2 TL |
2124 | { |
2125 | struct spdk_nvmf_request *req = spdk_io_channel_iter_get_ctx(i); | |
2126 | struct spdk_io_channel *ch = spdk_io_channel_iter_get_channel(i); | |
2127 | struct spdk_nvmf_poll_group *group = spdk_io_channel_get_ctx(ch); | |
f67539c2 | 2128 | uint16_t sqid = req->cmd->nvme_cmd.cdw10_bits.abort.sqid; |
11fdf7f2 TL |
2129 | struct spdk_nvmf_qpair *qpair; |
2130 | ||
2131 | TAILQ_FOREACH(qpair, &group->qpairs, link) { | |
2132 | if (qpair->ctrlr == req->qpair->ctrlr && qpair->qid == sqid) { | |
11fdf7f2 TL |
2133 | /* Found the qpair */ |
2134 | ||
f67539c2 | 2135 | nvmf_qpair_abort_request(qpair, req); |
11fdf7f2 | 2136 | |
11fdf7f2 TL |
2137 | /* Return -1 for the status so the iteration across threads stops. */ |
2138 | spdk_for_each_channel_continue(i, -1); | |
f67539c2 | 2139 | return; |
11fdf7f2 TL |
2140 | } |
2141 | } | |
2142 | ||
2143 | spdk_for_each_channel_continue(i, 0); | |
2144 | } | |
2145 | ||
2146 | static int | |
f67539c2 | 2147 | nvmf_ctrlr_abort(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
2148 | { |
2149 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
2150 | ||
f67539c2 TL |
2151 | rsp->cdw0 = 1U; /* Command not aborted */ |
2152 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2153 | rsp->status.sc = SPDK_NVME_SC_SUCCESS; | |
11fdf7f2 TL |
2154 | |
2155 | /* Send a message to each poll group, searching for this ctrlr, sqid, and command. */ | |
2156 | spdk_for_each_channel(req->qpair->ctrlr->subsys->tgt, | |
f67539c2 | 2157 | nvmf_ctrlr_abort_on_pg, |
11fdf7f2 | 2158 | req, |
f67539c2 | 2159 | nvmf_ctrlr_abort_done |
11fdf7f2 TL |
2160 | ); |
2161 | ||
2162 | return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; | |
2163 | } | |
2164 | ||
f67539c2 TL |
2165 | int |
2166 | nvmf_ctrlr_abort_request(struct spdk_nvmf_request *req) | |
2167 | { | |
2168 | struct spdk_nvmf_request *req_to_abort = req->req_to_abort; | |
2169 | struct spdk_bdev *bdev; | |
2170 | struct spdk_bdev_desc *desc; | |
2171 | struct spdk_io_channel *ch; | |
2172 | int rc; | |
2173 | ||
2174 | assert(req_to_abort != NULL); | |
2175 | ||
2176 | if (g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_ABORT].hdlr && | |
2177 | nvmf_qpair_is_admin_queue(req_to_abort->qpair)) { | |
2178 | return g_nvmf_custom_admin_cmd_hdlrs[SPDK_NVME_OPC_ABORT].hdlr(req); | |
2179 | } | |
2180 | ||
2181 | rc = spdk_nvmf_request_get_bdev(req_to_abort->cmd->nvme_cmd.nsid, req_to_abort, | |
2182 | &bdev, &desc, &ch); | |
2183 | if (rc != 0) { | |
2184 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2185 | } | |
2186 | ||
2187 | return spdk_nvmf_bdev_ctrlr_abort_cmd(bdev, desc, ch, req, req_to_abort); | |
2188 | } | |
2189 | ||
11fdf7f2 TL |
2190 | static int |
2191 | get_features_generic(struct spdk_nvmf_request *req, uint32_t cdw0) | |
2192 | { | |
2193 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
2194 | ||
2195 | rsp->cdw0 = cdw0; | |
2196 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2197 | } | |
2198 | ||
2199 | static int | |
f67539c2 | 2200 | nvmf_ctrlr_get_features(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
2201 | { |
2202 | uint8_t feature; | |
2203 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
2204 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
2205 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
2206 | ||
f67539c2 | 2207 | feature = cmd->cdw10_bits.get_features.fid; |
11fdf7f2 TL |
2208 | switch (feature) { |
2209 | case SPDK_NVME_FEAT_ARBITRATION: | |
2210 | return get_features_generic(req, ctrlr->feat.arbitration.raw); | |
2211 | case SPDK_NVME_FEAT_POWER_MANAGEMENT: | |
2212 | return get_features_generic(req, ctrlr->feat.power_management.raw); | |
2213 | case SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD: | |
f67539c2 | 2214 | return nvmf_ctrlr_get_features_temperature_threshold(req); |
11fdf7f2 TL |
2215 | case SPDK_NVME_FEAT_ERROR_RECOVERY: |
2216 | return get_features_generic(req, ctrlr->feat.error_recovery.raw); | |
2217 | case SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE: | |
2218 | return get_features_generic(req, ctrlr->feat.volatile_write_cache.raw); | |
2219 | case SPDK_NVME_FEAT_NUMBER_OF_QUEUES: | |
2220 | return get_features_generic(req, ctrlr->feat.number_of_queues.raw); | |
2221 | case SPDK_NVME_FEAT_WRITE_ATOMICITY: | |
2222 | return get_features_generic(req, ctrlr->feat.write_atomicity.raw); | |
2223 | case SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION: | |
2224 | return get_features_generic(req, ctrlr->feat.async_event_configuration.raw); | |
2225 | case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER: | |
2226 | return get_features_generic(req, ctrlr->feat.keep_alive_timer.raw); | |
2227 | case SPDK_NVME_FEAT_HOST_IDENTIFIER: | |
f67539c2 | 2228 | return nvmf_ctrlr_get_features_host_identifier(req); |
9f95a23c | 2229 | case SPDK_NVME_FEAT_HOST_RESERVE_MASK: |
f67539c2 | 2230 | return nvmf_ctrlr_get_features_reservation_notification_mask(req); |
9f95a23c | 2231 | case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST: |
f67539c2 | 2232 | return nvmf_ctrlr_get_features_reservation_persistence(req); |
11fdf7f2 TL |
2233 | default: |
2234 | SPDK_ERRLOG("Get Features command with unsupported feature ID 0x%02x\n", feature); | |
2235 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
2236 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2237 | } | |
2238 | } | |
2239 | ||
2240 | static int | |
f67539c2 | 2241 | nvmf_ctrlr_set_features(struct spdk_nvmf_request *req) |
11fdf7f2 | 2242 | { |
f67539c2 | 2243 | uint8_t feature, save; |
11fdf7f2 TL |
2244 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; |
2245 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
2246 | ||
f67539c2 TL |
2247 | /* |
2248 | * Features are not saveable by the controller as indicated by | |
2249 | * ONCS field of the Identify Controller data. | |
2250 | * */ | |
2251 | save = cmd->cdw10_bits.set_features.sv; | |
2252 | if (save) { | |
2253 | response->status.sc = SPDK_NVME_SC_FEATURE_ID_NOT_SAVEABLE; | |
2254 | response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC; | |
2255 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2256 | } | |
2257 | ||
2258 | feature = cmd->cdw10_bits.set_features.fid; | |
11fdf7f2 TL |
2259 | switch (feature) { |
2260 | case SPDK_NVME_FEAT_ARBITRATION: | |
f67539c2 | 2261 | return nvmf_ctrlr_set_features_arbitration(req); |
11fdf7f2 | 2262 | case SPDK_NVME_FEAT_POWER_MANAGEMENT: |
f67539c2 | 2263 | return nvmf_ctrlr_set_features_power_management(req); |
11fdf7f2 | 2264 | case SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD: |
f67539c2 | 2265 | return nvmf_ctrlr_set_features_temperature_threshold(req); |
11fdf7f2 | 2266 | case SPDK_NVME_FEAT_ERROR_RECOVERY: |
f67539c2 | 2267 | return nvmf_ctrlr_set_features_error_recovery(req); |
11fdf7f2 | 2268 | case SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE: |
f67539c2 | 2269 | return nvmf_ctrlr_set_features_volatile_write_cache(req); |
11fdf7f2 | 2270 | case SPDK_NVME_FEAT_NUMBER_OF_QUEUES: |
f67539c2 | 2271 | return nvmf_ctrlr_set_features_number_of_queues(req); |
11fdf7f2 | 2272 | case SPDK_NVME_FEAT_WRITE_ATOMICITY: |
f67539c2 | 2273 | return nvmf_ctrlr_set_features_write_atomicity(req); |
11fdf7f2 | 2274 | case SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION: |
f67539c2 | 2275 | return nvmf_ctrlr_set_features_async_event_configuration(req); |
11fdf7f2 | 2276 | case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER: |
f67539c2 | 2277 | return nvmf_ctrlr_set_features_keep_alive_timer(req); |
11fdf7f2 | 2278 | case SPDK_NVME_FEAT_HOST_IDENTIFIER: |
f67539c2 | 2279 | return nvmf_ctrlr_set_features_host_identifier(req); |
9f95a23c | 2280 | case SPDK_NVME_FEAT_HOST_RESERVE_MASK: |
f67539c2 | 2281 | return nvmf_ctrlr_set_features_reservation_notification_mask(req); |
9f95a23c | 2282 | case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST: |
f67539c2 | 2283 | return nvmf_ctrlr_set_features_reservation_persistence(req); |
11fdf7f2 TL |
2284 | default: |
2285 | SPDK_ERRLOG("Set Features command with unsupported feature ID 0x%02x\n", feature); | |
2286 | response->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
2287 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2288 | } | |
2289 | } | |
2290 | ||
2291 | static int | |
f67539c2 | 2292 | nvmf_ctrlr_keep_alive(struct spdk_nvmf_request *req) |
11fdf7f2 | 2293 | { |
9f95a23c TL |
2294 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; |
2295 | ||
11fdf7f2 TL |
2296 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Keep Alive\n"); |
2297 | /* | |
2298 | * To handle keep alive just clear or reset the | |
2299 | * ctrlr based keep alive duration counter. | |
2300 | * When added, a separate timer based process | |
2301 | * will monitor if the time since last recorded | |
2302 | * keep alive has exceeded the max duration and | |
2303 | * take appropriate action. | |
2304 | */ | |
9f95a23c TL |
2305 | ctrlr->last_keep_alive_tick = spdk_get_ticks(); |
2306 | ||
11fdf7f2 TL |
2307 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; |
2308 | } | |
2309 | ||
2310 | int | |
f67539c2 | 2311 | nvmf_ctrlr_process_admin_cmd(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
2312 | { |
2313 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
2314 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
2315 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
f67539c2 | 2316 | int rc; |
11fdf7f2 TL |
2317 | |
2318 | if (ctrlr == NULL) { | |
2319 | SPDK_ERRLOG("Admin command sent before CONNECT\n"); | |
2320 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2321 | response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
2322 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2323 | } | |
2324 | ||
2325 | if (ctrlr->vcprop.cc.bits.en != 1) { | |
2326 | SPDK_ERRLOG("Admin command sent to disabled controller\n"); | |
2327 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2328 | response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
2329 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2330 | } | |
2331 | ||
2332 | if (req->data && spdk_nvme_opc_get_data_transfer(cmd->opc) == SPDK_NVME_DATA_CONTROLLER_TO_HOST) { | |
2333 | memset(req->data, 0, req->length); | |
2334 | } | |
2335 | ||
2336 | if (ctrlr->subsys->subtype == SPDK_NVMF_SUBTYPE_DISCOVERY) { | |
f67539c2 | 2337 | /* Discovery controllers only support Get Log Page, Identify and Keep Alive. */ |
11fdf7f2 TL |
2338 | switch (cmd->opc) { |
2339 | case SPDK_NVME_OPC_IDENTIFY: | |
2340 | case SPDK_NVME_OPC_GET_LOG_PAGE: | |
f67539c2 | 2341 | case SPDK_NVME_OPC_KEEP_ALIVE: |
11fdf7f2 TL |
2342 | break; |
2343 | default: | |
2344 | goto invalid_opcode; | |
2345 | } | |
2346 | } | |
2347 | ||
f67539c2 TL |
2348 | /* Call a custom adm cmd handler if set. Aborts are handled in a different path (see nvmf_passthru_admin_cmd) */ |
2349 | if (g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].hdlr && cmd->opc != SPDK_NVME_OPC_ABORT) { | |
2350 | rc = g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].hdlr(req); | |
2351 | if (rc >= SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) { | |
2352 | /* The handler took care of this commmand */ | |
2353 | return rc; | |
2354 | } | |
2355 | } | |
2356 | ||
11fdf7f2 TL |
2357 | switch (cmd->opc) { |
2358 | case SPDK_NVME_OPC_GET_LOG_PAGE: | |
f67539c2 | 2359 | return nvmf_ctrlr_get_log_page(req); |
11fdf7f2 | 2360 | case SPDK_NVME_OPC_IDENTIFY: |
f67539c2 | 2361 | return nvmf_ctrlr_identify(req); |
11fdf7f2 | 2362 | case SPDK_NVME_OPC_ABORT: |
f67539c2 | 2363 | return nvmf_ctrlr_abort(req); |
11fdf7f2 | 2364 | case SPDK_NVME_OPC_GET_FEATURES: |
f67539c2 | 2365 | return nvmf_ctrlr_get_features(req); |
11fdf7f2 | 2366 | case SPDK_NVME_OPC_SET_FEATURES: |
f67539c2 | 2367 | return nvmf_ctrlr_set_features(req); |
11fdf7f2 | 2368 | case SPDK_NVME_OPC_ASYNC_EVENT_REQUEST: |
f67539c2 | 2369 | return nvmf_ctrlr_async_event_request(req); |
11fdf7f2 | 2370 | case SPDK_NVME_OPC_KEEP_ALIVE: |
f67539c2 | 2371 | return nvmf_ctrlr_keep_alive(req); |
11fdf7f2 TL |
2372 | |
2373 | case SPDK_NVME_OPC_CREATE_IO_SQ: | |
2374 | case SPDK_NVME_OPC_CREATE_IO_CQ: | |
2375 | case SPDK_NVME_OPC_DELETE_IO_SQ: | |
2376 | case SPDK_NVME_OPC_DELETE_IO_CQ: | |
2377 | /* Create and Delete I/O CQ/SQ not allowed in NVMe-oF */ | |
2378 | goto invalid_opcode; | |
2379 | ||
2380 | default: | |
2381 | goto invalid_opcode; | |
2382 | } | |
2383 | ||
2384 | invalid_opcode: | |
2385 | SPDK_ERRLOG("Unsupported admin opcode 0x%x\n", cmd->opc); | |
2386 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2387 | response->status.sc = SPDK_NVME_SC_INVALID_OPCODE; | |
2388 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2389 | } | |
2390 | ||
2391 | int | |
f67539c2 | 2392 | nvmf_ctrlr_process_fabrics_cmd(struct spdk_nvmf_request *req) |
11fdf7f2 TL |
2393 | { |
2394 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
2395 | struct spdk_nvmf_capsule_cmd *cap_hdr; | |
2396 | ||
2397 | cap_hdr = &req->cmd->nvmf_cmd; | |
2398 | ||
2399 | if (qpair->ctrlr == NULL) { | |
2400 | /* No ctrlr established yet; the only valid command is Connect */ | |
2401 | if (cap_hdr->fctype == SPDK_NVMF_FABRIC_COMMAND_CONNECT) { | |
f67539c2 | 2402 | return nvmf_ctrlr_cmd_connect(req); |
11fdf7f2 TL |
2403 | } else { |
2404 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Got fctype 0x%x, expected Connect\n", | |
2405 | cap_hdr->fctype); | |
2406 | req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; | |
2407 | req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
2408 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2409 | } | |
f67539c2 | 2410 | } else if (nvmf_qpair_is_admin_queue(qpair)) { |
11fdf7f2 TL |
2411 | /* |
2412 | * Controller session is established, and this is an admin queue. | |
2413 | * Disallow Connect and allow other fabrics commands. | |
2414 | */ | |
2415 | switch (cap_hdr->fctype) { | |
2416 | case SPDK_NVMF_FABRIC_COMMAND_PROPERTY_SET: | |
f67539c2 | 2417 | return nvmf_property_set(req); |
11fdf7f2 | 2418 | case SPDK_NVMF_FABRIC_COMMAND_PROPERTY_GET: |
f67539c2 | 2419 | return nvmf_property_get(req); |
11fdf7f2 TL |
2420 | default: |
2421 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "unknown fctype 0x%02x\n", | |
2422 | cap_hdr->fctype); | |
2423 | req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; | |
2424 | req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE; | |
2425 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2426 | } | |
2427 | } else { | |
2428 | /* Controller session is established, and this is an I/O queue */ | |
2429 | /* For now, no I/O-specific Fabrics commands are implemented (other than Connect) */ | |
2430 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Unexpected I/O fctype 0x%x\n", cap_hdr->fctype); | |
2431 | req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; | |
2432 | req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE; | |
2433 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2434 | } | |
2435 | } | |
2436 | ||
f67539c2 TL |
2437 | static inline int |
2438 | nvmf_ctrlr_async_event_notification(struct spdk_nvmf_ctrlr *ctrlr, | |
2439 | union spdk_nvme_async_event_completion *event) | |
11fdf7f2 TL |
2440 | { |
2441 | struct spdk_nvmf_request *req; | |
2442 | struct spdk_nvme_cpl *rsp; | |
f67539c2 TL |
2443 | |
2444 | assert(ctrlr->nr_aer_reqs > 0); | |
2445 | ||
2446 | req = ctrlr->aer_req[--ctrlr->nr_aer_reqs]; | |
2447 | rsp = &req->rsp->nvme_cpl; | |
2448 | ||
2449 | rsp->cdw0 = event->raw; | |
2450 | ||
2451 | _nvmf_request_complete(req); | |
2452 | ctrlr->aer_req[ctrlr->nr_aer_reqs] = NULL; | |
2453 | ||
2454 | return 0; | |
2455 | } | |
2456 | ||
2457 | int | |
2458 | nvmf_ctrlr_async_event_ns_notice(struct spdk_nvmf_ctrlr *ctrlr) | |
2459 | { | |
11fdf7f2 TL |
2460 | union spdk_nvme_async_event_completion event = {0}; |
2461 | ||
2462 | /* Users may disable the event notification */ | |
2463 | if (!ctrlr->feat.async_event_configuration.bits.ns_attr_notice) { | |
2464 | return 0; | |
2465 | } | |
2466 | ||
2467 | event.bits.async_event_type = SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE; | |
2468 | event.bits.async_event_info = SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGED; | |
2469 | event.bits.log_page_identifier = SPDK_NVME_LOG_CHANGED_NS_LIST; | |
2470 | ||
2471 | /* If there is no outstanding AER request, queue the event. Then | |
2472 | * if an AER is later submitted, this event can be sent as a | |
2473 | * response. | |
2474 | */ | |
f67539c2 | 2475 | if (ctrlr->nr_aer_reqs == 0) { |
11fdf7f2 TL |
2476 | if (ctrlr->notice_event.bits.async_event_type == |
2477 | SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE) { | |
2478 | return 0; | |
2479 | } | |
2480 | ||
2481 | ctrlr->notice_event.raw = event.raw; | |
2482 | return 0; | |
2483 | } | |
2484 | ||
f67539c2 | 2485 | return nvmf_ctrlr_async_event_notification(ctrlr, &event); |
11fdf7f2 TL |
2486 | } |
2487 | ||
9f95a23c | 2488 | void |
f67539c2 | 2489 | nvmf_ctrlr_async_event_reservation_notification(struct spdk_nvmf_ctrlr *ctrlr) |
9f95a23c | 2490 | { |
9f95a23c TL |
2491 | union spdk_nvme_async_event_completion event = {0}; |
2492 | ||
2493 | if (!ctrlr->num_avail_log_pages) { | |
2494 | return; | |
2495 | } | |
2496 | event.bits.async_event_type = SPDK_NVME_ASYNC_EVENT_TYPE_IO; | |
2497 | event.bits.async_event_info = SPDK_NVME_ASYNC_EVENT_RESERVATION_LOG_AVAIL; | |
2498 | event.bits.log_page_identifier = SPDK_NVME_LOG_RESERVATION_NOTIFICATION; | |
2499 | ||
2500 | /* If there is no outstanding AER request, queue the event. Then | |
2501 | * if an AER is later submitted, this event can be sent as a | |
2502 | * response. | |
2503 | */ | |
f67539c2 | 2504 | if (ctrlr->nr_aer_reqs == 0) { |
9f95a23c TL |
2505 | if (ctrlr->reservation_event.bits.async_event_type == |
2506 | SPDK_NVME_ASYNC_EVENT_TYPE_IO) { | |
2507 | return; | |
2508 | } | |
2509 | ||
2510 | ctrlr->reservation_event.raw = event.raw; | |
2511 | return; | |
2512 | } | |
2513 | ||
f67539c2 | 2514 | nvmf_ctrlr_async_event_notification(ctrlr, &event); |
9f95a23c TL |
2515 | } |
2516 | ||
11fdf7f2 | 2517 | void |
f67539c2 | 2518 | nvmf_qpair_free_aer(struct spdk_nvmf_qpair *qpair) |
11fdf7f2 TL |
2519 | { |
2520 | struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr; | |
f67539c2 | 2521 | int i; |
11fdf7f2 | 2522 | |
f67539c2 | 2523 | if (!nvmf_qpair_is_admin_queue(qpair)) { |
11fdf7f2 TL |
2524 | return; |
2525 | } | |
2526 | ||
f67539c2 TL |
2527 | for (i = 0; i < ctrlr->nr_aer_reqs; i++) { |
2528 | spdk_nvmf_request_free(ctrlr->aer_req[i]); | |
2529 | ctrlr->aer_req[i] = NULL; | |
11fdf7f2 | 2530 | } |
f67539c2 TL |
2531 | |
2532 | ctrlr->nr_aer_reqs = 0; | |
11fdf7f2 TL |
2533 | } |
2534 | ||
2535 | void | |
f67539c2 | 2536 | nvmf_ctrlr_abort_aer(struct spdk_nvmf_ctrlr *ctrlr) |
11fdf7f2 | 2537 | { |
f67539c2 TL |
2538 | struct spdk_nvmf_request *req; |
2539 | int i; | |
2540 | ||
2541 | for (i = 0; i < ctrlr->nr_aer_reqs; i++) { | |
2542 | req = ctrlr->aer_req[i]; | |
2543 | ||
2544 | req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; | |
2545 | req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_ABORTED_BY_REQUEST; | |
2546 | _nvmf_request_complete(req); | |
2547 | ||
2548 | ctrlr->aer_req[i] = NULL; | |
11fdf7f2 TL |
2549 | } |
2550 | ||
f67539c2 | 2551 | ctrlr->nr_aer_reqs = 0; |
11fdf7f2 | 2552 | } |
9f95a23c TL |
2553 | |
2554 | static void | |
2555 | _nvmf_ctrlr_add_reservation_log(void *ctx) | |
2556 | { | |
2557 | struct spdk_nvmf_reservation_log *log = (struct spdk_nvmf_reservation_log *)ctx; | |
2558 | struct spdk_nvmf_ctrlr *ctrlr = log->ctrlr; | |
2559 | ||
2560 | ctrlr->log_page_count++; | |
2561 | ||
2562 | /* Maximum number of queued log pages is 255 */ | |
2563 | if (ctrlr->num_avail_log_pages == 0xff) { | |
2564 | struct spdk_nvmf_reservation_log *entry; | |
2565 | entry = TAILQ_LAST(&ctrlr->log_head, log_page_head); | |
2566 | entry->log.log_page_count = ctrlr->log_page_count; | |
2567 | free(log); | |
2568 | return; | |
2569 | } | |
2570 | ||
2571 | log->log.log_page_count = ctrlr->log_page_count; | |
2572 | log->log.num_avail_log_pages = ctrlr->num_avail_log_pages++; | |
2573 | TAILQ_INSERT_TAIL(&ctrlr->log_head, log, link); | |
2574 | ||
f67539c2 | 2575 | nvmf_ctrlr_async_event_reservation_notification(ctrlr); |
9f95a23c TL |
2576 | } |
2577 | ||
2578 | void | |
f67539c2 TL |
2579 | nvmf_ctrlr_reservation_notice_log(struct spdk_nvmf_ctrlr *ctrlr, |
2580 | struct spdk_nvmf_ns *ns, | |
2581 | enum spdk_nvme_reservation_notification_log_page_type type) | |
9f95a23c TL |
2582 | { |
2583 | struct spdk_nvmf_reservation_log *log; | |
2584 | ||
2585 | switch (type) { | |
2586 | case SPDK_NVME_RESERVATION_LOG_PAGE_EMPTY: | |
2587 | return; | |
2588 | case SPDK_NVME_REGISTRATION_PREEMPTED: | |
2589 | if (ns->mask & SPDK_NVME_REGISTRATION_PREEMPTED_MASK) { | |
2590 | return; | |
2591 | } | |
2592 | break; | |
2593 | case SPDK_NVME_RESERVATION_RELEASED: | |
2594 | if (ns->mask & SPDK_NVME_RESERVATION_RELEASED_MASK) { | |
2595 | return; | |
2596 | } | |
2597 | break; | |
2598 | case SPDK_NVME_RESERVATION_PREEMPTED: | |
2599 | if (ns->mask & SPDK_NVME_RESERVATION_PREEMPTED_MASK) { | |
2600 | return; | |
2601 | } | |
2602 | break; | |
2603 | default: | |
2604 | return; | |
2605 | } | |
2606 | ||
2607 | log = calloc(1, sizeof(*log)); | |
2608 | if (!log) { | |
2609 | SPDK_ERRLOG("Alloc log page failed, ignore the log\n"); | |
2610 | return; | |
2611 | } | |
2612 | log->ctrlr = ctrlr; | |
2613 | log->log.type = type; | |
2614 | log->log.nsid = ns->nsid; | |
2615 | ||
2616 | spdk_thread_send_msg(ctrlr->thread, _nvmf_ctrlr_add_reservation_log, log); | |
2617 | } | |
2618 | ||
2619 | /* Check from subsystem poll group's namespace information data structure */ | |
2620 | static bool | |
2621 | nvmf_ns_info_ctrlr_is_registrant(struct spdk_nvmf_subsystem_pg_ns_info *ns_info, | |
2622 | struct spdk_nvmf_ctrlr *ctrlr) | |
2623 | { | |
2624 | uint32_t i; | |
2625 | ||
2626 | for (i = 0; i < SPDK_NVMF_MAX_NUM_REGISTRANTS; i++) { | |
2627 | if (!spdk_uuid_compare(&ns_info->reg_hostid[i], &ctrlr->hostid)) { | |
2628 | return true; | |
2629 | } | |
2630 | } | |
2631 | ||
2632 | return false; | |
2633 | } | |
2634 | ||
2635 | /* | |
2636 | * Check the NVMe command is permitted or not for current controller(Host). | |
2637 | */ | |
2638 | static int | |
2639 | nvmf_ns_reservation_request_check(struct spdk_nvmf_subsystem_pg_ns_info *ns_info, | |
2640 | struct spdk_nvmf_ctrlr *ctrlr, | |
2641 | struct spdk_nvmf_request *req) | |
2642 | { | |
2643 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
2644 | enum spdk_nvme_reservation_type rtype = ns_info->rtype; | |
2645 | uint8_t status = SPDK_NVME_SC_SUCCESS; | |
2646 | uint8_t racqa; | |
2647 | bool is_registrant; | |
2648 | ||
2649 | /* No valid reservation */ | |
2650 | if (!rtype) { | |
2651 | return 0; | |
2652 | } | |
2653 | ||
2654 | is_registrant = nvmf_ns_info_ctrlr_is_registrant(ns_info, ctrlr); | |
2655 | /* All registrants type and current ctrlr is a valid registrant */ | |
2656 | if ((rtype == SPDK_NVME_RESERVE_WRITE_EXCLUSIVE_ALL_REGS || | |
2657 | rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_ALL_REGS) && is_registrant) { | |
2658 | return 0; | |
2659 | } else if (!spdk_uuid_compare(&ns_info->holder_id, &ctrlr->hostid)) { | |
2660 | return 0; | |
2661 | } | |
2662 | ||
2663 | /* Non-holder for current controller */ | |
2664 | switch (cmd->opc) { | |
2665 | case SPDK_NVME_OPC_READ: | |
2666 | case SPDK_NVME_OPC_COMPARE: | |
2667 | if (rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS) { | |
2668 | status = SPDK_NVME_SC_RESERVATION_CONFLICT; | |
2669 | goto exit; | |
2670 | } | |
2671 | if ((rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_REG_ONLY || | |
2672 | rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_ALL_REGS) && !is_registrant) { | |
2673 | status = SPDK_NVME_SC_RESERVATION_CONFLICT; | |
9f95a23c TL |
2674 | } |
2675 | break; | |
2676 | case SPDK_NVME_OPC_FLUSH: | |
2677 | case SPDK_NVME_OPC_WRITE: | |
2678 | case SPDK_NVME_OPC_WRITE_UNCORRECTABLE: | |
2679 | case SPDK_NVME_OPC_WRITE_ZEROES: | |
2680 | case SPDK_NVME_OPC_DATASET_MANAGEMENT: | |
2681 | if (rtype == SPDK_NVME_RESERVE_WRITE_EXCLUSIVE || | |
2682 | rtype == SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS) { | |
2683 | status = SPDK_NVME_SC_RESERVATION_CONFLICT; | |
2684 | goto exit; | |
2685 | } | |
2686 | if (!is_registrant) { | |
2687 | status = SPDK_NVME_SC_RESERVATION_CONFLICT; | |
9f95a23c TL |
2688 | } |
2689 | break; | |
2690 | case SPDK_NVME_OPC_RESERVATION_ACQUIRE: | |
f67539c2 TL |
2691 | racqa = cmd->cdw10_bits.resv_acquire.racqa; |
2692 | if (racqa == SPDK_NVME_RESERVE_ACQUIRE) { | |
9f95a23c TL |
2693 | status = SPDK_NVME_SC_RESERVATION_CONFLICT; |
2694 | goto exit; | |
2695 | } | |
2696 | if (!is_registrant) { | |
2697 | status = SPDK_NVME_SC_RESERVATION_CONFLICT; | |
f67539c2 TL |
2698 | } |
2699 | break; | |
2700 | case SPDK_NVME_OPC_RESERVATION_RELEASE: | |
2701 | if (!is_registrant) { | |
2702 | status = SPDK_NVME_SC_RESERVATION_CONFLICT; | |
9f95a23c TL |
2703 | } |
2704 | break; | |
2705 | default: | |
2706 | break; | |
2707 | } | |
2708 | ||
2709 | exit: | |
2710 | req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; | |
2711 | req->rsp->nvme_cpl.status.sc = status; | |
2712 | if (status == SPDK_NVME_SC_RESERVATION_CONFLICT) { | |
2713 | return -EPERM; | |
2714 | } | |
2715 | ||
2716 | return 0; | |
2717 | } | |
2718 | ||
f67539c2 TL |
2719 | static int |
2720 | nvmf_ctrlr_process_io_fused_cmd(struct spdk_nvmf_request *req, struct spdk_bdev *bdev, | |
2721 | struct spdk_bdev_desc *desc, struct spdk_io_channel *ch) | |
2722 | { | |
2723 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
2724 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; | |
2725 | struct spdk_nvmf_request *first_fused_req = req->qpair->first_fused_req; | |
2726 | int rc; | |
2727 | ||
2728 | if (cmd->fuse == SPDK_NVME_CMD_FUSE_FIRST) { | |
2729 | /* first fused operation (should be compare) */ | |
2730 | if (first_fused_req != NULL) { | |
2731 | struct spdk_nvme_cpl *fused_response = &first_fused_req->rsp->nvme_cpl; | |
2732 | ||
2733 | SPDK_ERRLOG("Wrong sequence of fused operations\n"); | |
2734 | ||
2735 | /* abort req->qpair->first_fused_request and continue with new fused command */ | |
2736 | fused_response->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED; | |
2737 | fused_response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2738 | _nvmf_request_complete(first_fused_req); | |
2739 | } else if (cmd->opc != SPDK_NVME_OPC_COMPARE) { | |
2740 | SPDK_ERRLOG("Wrong op code of fused operations\n"); | |
2741 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2742 | rsp->status.sc = SPDK_NVME_SC_INVALID_OPCODE; | |
2743 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2744 | } | |
2745 | ||
2746 | req->qpair->first_fused_req = req; | |
2747 | return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; | |
2748 | } else if (cmd->fuse == SPDK_NVME_CMD_FUSE_SECOND) { | |
2749 | /* second fused operation (should be write) */ | |
2750 | if (first_fused_req == NULL) { | |
2751 | SPDK_ERRLOG("Wrong sequence of fused operations\n"); | |
2752 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2753 | rsp->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED; | |
2754 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2755 | } else if (cmd->opc != SPDK_NVME_OPC_WRITE) { | |
2756 | struct spdk_nvme_cpl *fused_response = &first_fused_req->rsp->nvme_cpl; | |
2757 | ||
2758 | SPDK_ERRLOG("Wrong op code of fused operations\n"); | |
2759 | ||
2760 | /* abort req->qpair->first_fused_request and fail current command */ | |
2761 | fused_response->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED; | |
2762 | fused_response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2763 | _nvmf_request_complete(first_fused_req); | |
2764 | ||
2765 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2766 | rsp->status.sc = SPDK_NVME_SC_INVALID_OPCODE; | |
2767 | req->qpair->first_fused_req = NULL; | |
2768 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2769 | } | |
2770 | ||
2771 | /* save request of first command to generate response later */ | |
2772 | req->first_fused_req = first_fused_req; | |
2773 | req->qpair->first_fused_req = NULL; | |
2774 | } else { | |
2775 | SPDK_ERRLOG("Invalid fused command fuse field.\n"); | |
2776 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2777 | rsp->status.sc = SPDK_NVME_SC_INVALID_FIELD; | |
2778 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2779 | } | |
2780 | ||
2781 | rc = nvmf_bdev_ctrlr_compare_and_write_cmd(bdev, desc, ch, req->first_fused_req, req); | |
2782 | ||
2783 | if (rc == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) { | |
2784 | if (spdk_nvme_cpl_is_error(rsp)) { | |
2785 | struct spdk_nvme_cpl *fused_response = &first_fused_req->rsp->nvme_cpl; | |
2786 | ||
2787 | fused_response->status = rsp->status; | |
2788 | rsp->status.sct = SPDK_NVME_SCT_GENERIC; | |
2789 | rsp->status.sc = SPDK_NVME_SC_ABORTED_FAILED_FUSED; | |
2790 | /* Complete first of fused commands. Second will be completed by upper layer */ | |
2791 | _nvmf_request_complete(first_fused_req); | |
2792 | req->first_fused_req = NULL; | |
2793 | } | |
2794 | } | |
2795 | ||
2796 | return rc; | |
2797 | } | |
2798 | ||
9f95a23c | 2799 | int |
f67539c2 | 2800 | nvmf_ctrlr_process_io_cmd(struct spdk_nvmf_request *req) |
9f95a23c TL |
2801 | { |
2802 | uint32_t nsid; | |
2803 | struct spdk_nvmf_ns *ns; | |
2804 | struct spdk_bdev *bdev; | |
2805 | struct spdk_bdev_desc *desc; | |
2806 | struct spdk_io_channel *ch; | |
2807 | struct spdk_nvmf_poll_group *group = req->qpair->group; | |
2808 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
2809 | struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; | |
2810 | struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; | |
2811 | struct spdk_nvmf_subsystem_pg_ns_info *ns_info; | |
2812 | ||
2813 | /* pre-set response details for this command */ | |
2814 | response->status.sc = SPDK_NVME_SC_SUCCESS; | |
2815 | nsid = cmd->nsid; | |
2816 | ||
2817 | if (spdk_unlikely(ctrlr == NULL)) { | |
2818 | SPDK_ERRLOG("I/O command sent before CONNECT\n"); | |
2819 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2820 | response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
2821 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2822 | } | |
2823 | ||
2824 | if (spdk_unlikely(ctrlr->vcprop.cc.bits.en != 1)) { | |
2825 | SPDK_ERRLOG("I/O command sent to disabled controller\n"); | |
2826 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2827 | response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
2828 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2829 | } | |
2830 | ||
f67539c2 | 2831 | ns = _nvmf_subsystem_get_ns(ctrlr->subsys, nsid); |
9f95a23c TL |
2832 | if (ns == NULL || ns->bdev == NULL) { |
2833 | SPDK_ERRLOG("Unsuccessful query for nsid %u\n", cmd->nsid); | |
2834 | response->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT; | |
2835 | response->status.dnr = 1; | |
2836 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2837 | } | |
2838 | ||
2839 | /* scan-build falsely reporting dereference of null pointer */ | |
2840 | assert(group != NULL && group->sgroups != NULL); | |
2841 | ns_info = &group->sgroups[ctrlr->subsys->id].ns_info[nsid - 1]; | |
2842 | if (nvmf_ns_reservation_request_check(ns_info, ctrlr, req)) { | |
2843 | SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Reservation Conflict for nsid %u, opcode %u\n", | |
2844 | cmd->nsid, cmd->opc); | |
2845 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
2846 | } | |
2847 | ||
2848 | bdev = ns->bdev; | |
2849 | desc = ns->desc; | |
2850 | ch = ns_info->channel; | |
f67539c2 TL |
2851 | |
2852 | if (spdk_unlikely(cmd->fuse & SPDK_NVME_CMD_FUSE_MASK)) { | |
2853 | return nvmf_ctrlr_process_io_fused_cmd(req, bdev, desc, ch); | |
2854 | } else if (spdk_unlikely(req->qpair->first_fused_req != NULL)) { | |
2855 | struct spdk_nvme_cpl *fused_response = &req->qpair->first_fused_req->rsp->nvme_cpl; | |
2856 | ||
2857 | SPDK_ERRLOG("Expected second of fused commands - failing first of fused commands\n"); | |
2858 | ||
2859 | /* abort req->qpair->first_fused_request and continue with new command */ | |
2860 | fused_response->status.sc = SPDK_NVME_SC_ABORTED_MISSING_FUSED; | |
2861 | fused_response->status.sct = SPDK_NVME_SCT_GENERIC; | |
2862 | _nvmf_request_complete(req->qpair->first_fused_req); | |
2863 | req->qpair->first_fused_req = NULL; | |
2864 | } | |
2865 | ||
9f95a23c TL |
2866 | switch (cmd->opc) { |
2867 | case SPDK_NVME_OPC_READ: | |
f67539c2 | 2868 | return nvmf_bdev_ctrlr_read_cmd(bdev, desc, ch, req); |
9f95a23c | 2869 | case SPDK_NVME_OPC_WRITE: |
f67539c2 TL |
2870 | return nvmf_bdev_ctrlr_write_cmd(bdev, desc, ch, req); |
2871 | case SPDK_NVME_OPC_COMPARE: | |
2872 | return nvmf_bdev_ctrlr_compare_cmd(bdev, desc, ch, req); | |
9f95a23c | 2873 | case SPDK_NVME_OPC_WRITE_ZEROES: |
f67539c2 | 2874 | return nvmf_bdev_ctrlr_write_zeroes_cmd(bdev, desc, ch, req); |
9f95a23c | 2875 | case SPDK_NVME_OPC_FLUSH: |
f67539c2 | 2876 | return nvmf_bdev_ctrlr_flush_cmd(bdev, desc, ch, req); |
9f95a23c | 2877 | case SPDK_NVME_OPC_DATASET_MANAGEMENT: |
f67539c2 | 2878 | return nvmf_bdev_ctrlr_dsm_cmd(bdev, desc, ch, req); |
9f95a23c TL |
2879 | case SPDK_NVME_OPC_RESERVATION_REGISTER: |
2880 | case SPDK_NVME_OPC_RESERVATION_ACQUIRE: | |
2881 | case SPDK_NVME_OPC_RESERVATION_RELEASE: | |
2882 | case SPDK_NVME_OPC_RESERVATION_REPORT: | |
f67539c2 | 2883 | spdk_thread_send_msg(ctrlr->subsys->thread, nvmf_ns_reservation_request, req); |
9f95a23c TL |
2884 | return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; |
2885 | default: | |
f67539c2 | 2886 | return nvmf_bdev_ctrlr_nvme_passthru_io(bdev, desc, ch, req); |
9f95a23c TL |
2887 | } |
2888 | } | |
2889 | ||
2890 | static void | |
f67539c2 | 2891 | nvmf_qpair_request_cleanup(struct spdk_nvmf_qpair *qpair) |
9f95a23c TL |
2892 | { |
2893 | if (qpair->state == SPDK_NVMF_QPAIR_DEACTIVATING) { | |
2894 | assert(qpair->state_cb != NULL); | |
2895 | ||
2896 | if (TAILQ_EMPTY(&qpair->outstanding)) { | |
2897 | qpair->state_cb(qpair->state_cb_arg, 0); | |
2898 | } | |
9f95a23c TL |
2899 | } |
2900 | } | |
2901 | ||
2902 | int | |
2903 | spdk_nvmf_request_free(struct spdk_nvmf_request *req) | |
2904 | { | |
2905 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
2906 | ||
2907 | TAILQ_REMOVE(&qpair->outstanding, req, link); | |
f67539c2 | 2908 | if (nvmf_transport_req_free(req)) { |
9f95a23c TL |
2909 | SPDK_ERRLOG("Unable to free transport level request resources.\n"); |
2910 | } | |
2911 | ||
f67539c2 | 2912 | nvmf_qpair_request_cleanup(qpair); |
9f95a23c TL |
2913 | |
2914 | return 0; | |
2915 | } | |
2916 | ||
f67539c2 TL |
2917 | static void |
2918 | _nvmf_request_complete(void *ctx) | |
9f95a23c | 2919 | { |
f67539c2 | 2920 | struct spdk_nvmf_request *req = ctx; |
9f95a23c TL |
2921 | struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; |
2922 | struct spdk_nvmf_qpair *qpair; | |
2923 | struct spdk_nvmf_subsystem_poll_group *sgroup = NULL; | |
f67539c2 | 2924 | bool is_aer = false; |
9f95a23c TL |
2925 | |
2926 | rsp->sqid = 0; | |
2927 | rsp->status.p = 0; | |
2928 | rsp->cid = req->cmd->nvme_cmd.cid; | |
2929 | ||
2930 | qpair = req->qpair; | |
2931 | if (qpair->ctrlr) { | |
2932 | sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id]; | |
f67539c2 TL |
2933 | assert(sgroup != NULL); |
2934 | is_aer = req->cmd->nvme_cmd.opc == SPDK_NVME_OPC_ASYNC_EVENT_REQUEST; | |
2935 | } else if (spdk_unlikely(nvmf_request_is_fabric_connect(req))) { | |
2936 | sgroup = nvmf_subsystem_pg_from_connect_cmd(req); | |
9f95a23c TL |
2937 | } |
2938 | ||
f67539c2 TL |
2939 | if (SPDK_DEBUGLOG_FLAG_ENABLED("nvmf")) { |
2940 | spdk_nvme_print_completion(qpair->qid, rsp); | |
2941 | } | |
9f95a23c TL |
2942 | |
2943 | TAILQ_REMOVE(&qpair->outstanding, req, link); | |
f67539c2 | 2944 | if (nvmf_transport_req_complete(req)) { |
9f95a23c TL |
2945 | SPDK_ERRLOG("Transport request completion error!\n"); |
2946 | } | |
2947 | ||
f67539c2 TL |
2948 | /* AER cmd is an exception */ |
2949 | if (sgroup && !is_aer) { | |
9f95a23c TL |
2950 | assert(sgroup->io_outstanding > 0); |
2951 | sgroup->io_outstanding--; | |
2952 | if (sgroup->state == SPDK_NVMF_SUBSYSTEM_PAUSING && | |
2953 | sgroup->io_outstanding == 0) { | |
2954 | sgroup->state = SPDK_NVMF_SUBSYSTEM_PAUSED; | |
2955 | sgroup->cb_fn(sgroup->cb_arg, 0); | |
2956 | } | |
2957 | } | |
2958 | ||
f67539c2 TL |
2959 | nvmf_qpair_request_cleanup(qpair); |
2960 | } | |
2961 | ||
2962 | int | |
2963 | spdk_nvmf_request_complete(struct spdk_nvmf_request *req) | |
2964 | { | |
2965 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
2966 | ||
2967 | if (spdk_likely(qpair->group->thread == spdk_get_thread())) { | |
2968 | _nvmf_request_complete(req); | |
2969 | } else { | |
2970 | spdk_thread_send_msg(qpair->group->thread, | |
2971 | _nvmf_request_complete, req); | |
2972 | } | |
9f95a23c TL |
2973 | |
2974 | return 0; | |
2975 | } | |
2976 | ||
2977 | static void | |
f67539c2 TL |
2978 | _nvmf_request_exec(struct spdk_nvmf_request *req, |
2979 | struct spdk_nvmf_subsystem_poll_group *sgroup) | |
2980 | { | |
2981 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
2982 | enum spdk_nvmf_request_exec_status status; | |
2983 | ||
2984 | if (SPDK_DEBUGLOG_FLAG_ENABLED("nvmf")) { | |
2985 | spdk_nvme_print_command(qpair->qid, &req->cmd->nvme_cmd); | |
2986 | } | |
2987 | ||
2988 | if (sgroup) { | |
2989 | sgroup->io_outstanding++; | |
2990 | } | |
2991 | ||
2992 | /* Place the request on the outstanding list so we can keep track of it */ | |
2993 | TAILQ_INSERT_TAIL(&qpair->outstanding, req, link); | |
2994 | ||
2995 | if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) { | |
2996 | status = nvmf_ctrlr_process_fabrics_cmd(req); | |
2997 | } else if (spdk_unlikely(nvmf_qpair_is_admin_queue(qpair))) { | |
2998 | status = nvmf_ctrlr_process_admin_cmd(req); | |
9f95a23c | 2999 | } else { |
f67539c2 | 3000 | status = nvmf_ctrlr_process_io_cmd(req); |
9f95a23c TL |
3001 | } |
3002 | ||
f67539c2 TL |
3003 | if (status == SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE) { |
3004 | _nvmf_request_complete(req); | |
9f95a23c TL |
3005 | } |
3006 | } | |
3007 | ||
3008 | void | |
f67539c2 | 3009 | spdk_nvmf_request_exec_fabrics(struct spdk_nvmf_request *req) |
9f95a23c TL |
3010 | { |
3011 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
9f95a23c TL |
3012 | struct spdk_nvmf_subsystem_poll_group *sgroup = NULL; |
3013 | ||
f67539c2 TL |
3014 | assert(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC); |
3015 | ||
3016 | if (qpair->ctrlr) { | |
3017 | sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id]; | |
3018 | assert(sgroup != NULL); | |
3019 | } else { | |
3020 | sgroup = nvmf_subsystem_pg_from_connect_cmd(req); | |
3021 | } | |
3022 | ||
3023 | _nvmf_request_exec(req, sgroup); | |
3024 | } | |
3025 | ||
3026 | void | |
3027 | spdk_nvmf_request_exec(struct spdk_nvmf_request *req) | |
3028 | { | |
3029 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
3030 | struct spdk_nvmf_subsystem_poll_group *sgroup = NULL; | |
9f95a23c TL |
3031 | |
3032 | if (qpair->ctrlr) { | |
3033 | sgroup = &qpair->group->sgroups[qpair->ctrlr->subsys->id]; | |
f67539c2 TL |
3034 | assert(sgroup != NULL); |
3035 | } else if (spdk_unlikely(nvmf_request_is_fabric_connect(req))) { | |
3036 | sgroup = nvmf_subsystem_pg_from_connect_cmd(req); | |
9f95a23c TL |
3037 | } |
3038 | ||
3039 | if (qpair->state != SPDK_NVMF_QPAIR_ACTIVE) { | |
3040 | req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; | |
3041 | req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR; | |
3042 | /* Place the request on the outstanding list so we can keep track of it */ | |
3043 | TAILQ_INSERT_TAIL(&qpair->outstanding, req, link); | |
3044 | /* Still increment io_outstanding because request_complete decrements it */ | |
3045 | if (sgroup != NULL) { | |
3046 | sgroup->io_outstanding++; | |
3047 | } | |
f67539c2 | 3048 | _nvmf_request_complete(req); |
9f95a23c TL |
3049 | return; |
3050 | } | |
3051 | ||
3052 | /* Check if the subsystem is paused (if there is a subsystem) */ | |
3053 | if (sgroup != NULL) { | |
3054 | if (sgroup->state != SPDK_NVMF_SUBSYSTEM_ACTIVE) { | |
3055 | /* The subsystem is not currently active. Queue this request. */ | |
3056 | TAILQ_INSERT_TAIL(&sgroup->queued, req, link); | |
3057 | return; | |
3058 | } | |
f67539c2 | 3059 | } |
9f95a23c | 3060 | |
f67539c2 TL |
3061 | _nvmf_request_exec(req, sgroup); |
3062 | } | |
3063 | ||
3064 | static bool | |
3065 | nvmf_ctrlr_get_dif_ctx(struct spdk_nvmf_ctrlr *ctrlr, struct spdk_nvme_cmd *cmd, | |
3066 | struct spdk_dif_ctx *dif_ctx) | |
3067 | { | |
3068 | struct spdk_nvmf_ns *ns; | |
3069 | struct spdk_bdev *bdev; | |
3070 | ||
3071 | if (ctrlr == NULL || cmd == NULL) { | |
3072 | return false; | |
9f95a23c TL |
3073 | } |
3074 | ||
f67539c2 TL |
3075 | ns = _nvmf_subsystem_get_ns(ctrlr->subsys, cmd->nsid); |
3076 | if (ns == NULL || ns->bdev == NULL) { | |
3077 | return false; | |
3078 | } | |
3079 | ||
3080 | bdev = ns->bdev; | |
3081 | ||
3082 | switch (cmd->opc) { | |
3083 | case SPDK_NVME_OPC_READ: | |
3084 | case SPDK_NVME_OPC_WRITE: | |
3085 | case SPDK_NVME_OPC_COMPARE: | |
3086 | return nvmf_bdev_ctrlr_get_dif_ctx(bdev, cmd, dif_ctx); | |
3087 | default: | |
3088 | break; | |
3089 | } | |
3090 | ||
3091 | return false; | |
3092 | } | |
3093 | ||
3094 | bool | |
3095 | spdk_nvmf_request_get_dif_ctx(struct spdk_nvmf_request *req, struct spdk_dif_ctx *dif_ctx) | |
3096 | { | |
3097 | struct spdk_nvmf_qpair *qpair = req->qpair; | |
3098 | struct spdk_nvmf_ctrlr *ctrlr = qpair->ctrlr; | |
3099 | ||
3100 | if (spdk_likely(ctrlr == NULL || !ctrlr->dif_insert_or_strip)) { | |
3101 | return false; | |
3102 | } | |
3103 | ||
3104 | if (spdk_unlikely(qpair->state != SPDK_NVMF_QPAIR_ACTIVE)) { | |
3105 | return false; | |
3106 | } | |
9f95a23c TL |
3107 | |
3108 | if (spdk_unlikely(req->cmd->nvmf_cmd.opcode == SPDK_NVME_OPC_FABRIC)) { | |
f67539c2 TL |
3109 | return false; |
3110 | } | |
3111 | ||
3112 | if (spdk_unlikely(nvmf_qpair_is_admin_queue(qpair))) { | |
3113 | return false; | |
3114 | } | |
3115 | ||
3116 | return nvmf_ctrlr_get_dif_ctx(ctrlr, &req->cmd->nvme_cmd, dif_ctx); | |
3117 | } | |
3118 | ||
3119 | void | |
3120 | spdk_nvmf_set_custom_admin_cmd_hdlr(uint8_t opc, spdk_nvmf_custom_cmd_hdlr hdlr) | |
3121 | { | |
3122 | g_nvmf_custom_admin_cmd_hdlrs[opc].hdlr = hdlr; | |
3123 | } | |
3124 | ||
3125 | static int | |
3126 | nvmf_passthru_admin_cmd(struct spdk_nvmf_request *req) | |
3127 | { | |
3128 | struct spdk_bdev *bdev; | |
3129 | struct spdk_bdev_desc *desc; | |
3130 | struct spdk_io_channel *ch; | |
3131 | struct spdk_nvme_cmd *cmd = spdk_nvmf_request_get_cmd(req); | |
3132 | struct spdk_nvme_cpl *response = spdk_nvmf_request_get_response(req); | |
3133 | uint32_t bdev_nsid; | |
3134 | int rc; | |
3135 | ||
3136 | if (g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].nsid == 0) { | |
3137 | bdev_nsid = cmd->nsid; | |
9f95a23c | 3138 | } else { |
f67539c2 | 3139 | bdev_nsid = g_nvmf_custom_admin_cmd_hdlrs[cmd->opc].nsid; |
9f95a23c TL |
3140 | } |
3141 | ||
f67539c2 TL |
3142 | rc = spdk_nvmf_request_get_bdev(bdev_nsid, req, &bdev, &desc, &ch); |
3143 | if (rc) { | |
3144 | response->status.sct = SPDK_NVME_SCT_GENERIC; | |
3145 | response->status.sc = SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT; | |
3146 | return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; | |
3147 | } | |
3148 | return spdk_nvmf_bdev_ctrlr_nvme_passthru_admin(bdev, desc, ch, req, NULL); | |
3149 | } | |
3150 | ||
3151 | void | |
3152 | spdk_nvmf_set_passthru_admin_cmd(uint8_t opc, uint32_t forward_nsid) | |
3153 | { | |
3154 | g_nvmf_custom_admin_cmd_hdlrs[opc].hdlr = nvmf_passthru_admin_cmd; | |
3155 | g_nvmf_custom_admin_cmd_hdlrs[opc].nsid = forward_nsid; | |
3156 | } | |
3157 | ||
3158 | int | |
3159 | spdk_nvmf_request_get_bdev(uint32_t nsid, struct spdk_nvmf_request *req, | |
3160 | struct spdk_bdev **bdev, struct spdk_bdev_desc **desc, struct spdk_io_channel **ch) | |
3161 | { | |
3162 | struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr; | |
3163 | struct spdk_nvmf_ns *ns; | |
3164 | struct spdk_nvmf_poll_group *group = req->qpair->group; | |
3165 | struct spdk_nvmf_subsystem_pg_ns_info *ns_info; | |
3166 | ||
3167 | *bdev = NULL; | |
3168 | *desc = NULL; | |
3169 | *ch = NULL; | |
3170 | ||
3171 | ns = _nvmf_subsystem_get_ns(ctrlr->subsys, nsid); | |
3172 | if (ns == NULL || ns->bdev == NULL) { | |
3173 | return -EINVAL; | |
9f95a23c | 3174 | } |
f67539c2 TL |
3175 | |
3176 | assert(group != NULL && group->sgroups != NULL); | |
3177 | ns_info = &group->sgroups[ctrlr->subsys->id].ns_info[nsid - 1]; | |
3178 | *bdev = ns->bdev; | |
3179 | *desc = ns->desc; | |
3180 | *ch = ns_info->channel; | |
3181 | ||
3182 | return 0; | |
3183 | } | |
3184 | ||
3185 | struct spdk_nvmf_ctrlr *spdk_nvmf_request_get_ctrlr(struct spdk_nvmf_request *req) | |
3186 | { | |
3187 | return req->qpair->ctrlr; | |
3188 | } | |
3189 | ||
3190 | struct spdk_nvme_cmd *spdk_nvmf_request_get_cmd(struct spdk_nvmf_request *req) | |
3191 | { | |
3192 | return &req->cmd->nvme_cmd; | |
3193 | } | |
3194 | ||
3195 | struct spdk_nvme_cpl *spdk_nvmf_request_get_response(struct spdk_nvmf_request *req) | |
3196 | { | |
3197 | return &req->rsp->nvme_cpl; | |
3198 | } | |
3199 | ||
3200 | struct spdk_nvmf_subsystem *spdk_nvmf_request_get_subsystem(struct spdk_nvmf_request *req) | |
3201 | { | |
3202 | return req->qpair->ctrlr->subsys; | |
3203 | } | |
3204 | ||
3205 | void spdk_nvmf_request_get_data(struct spdk_nvmf_request *req, void **data, uint32_t *length) | |
3206 | { | |
3207 | *data = req->data; | |
3208 | *length = req->length; | |
3209 | } | |
3210 | ||
3211 | struct spdk_nvmf_subsystem *spdk_nvmf_ctrlr_get_subsystem(struct spdk_nvmf_ctrlr *ctrlr) | |
3212 | { | |
3213 | return ctrlr->subsys; | |
3214 | } | |
3215 | ||
3216 | uint16_t spdk_nvmf_ctrlr_get_id(struct spdk_nvmf_ctrlr *ctrlr) | |
3217 | { | |
3218 | return ctrlr->cntlid; | |
3219 | } | |
3220 | ||
3221 | struct spdk_nvmf_request *spdk_nvmf_request_get_req_to_abort(struct spdk_nvmf_request *req) | |
3222 | { | |
3223 | return req->req_to_abort; | |
9f95a23c | 3224 | } |