Line data Source code
1 : /* SPDX-License-Identifier: BSD-3-Clause
2 : * Copyright (C) 2015 Intel Corporation.
3 : * All rights reserved.
4 : * Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5 : */
6 :
7 : #include "nvme_internal.h"
8 : #include "spdk/nvme_ocssd.h"
9 : #include "spdk/string.h"
10 :
11 : #define NVME_CMD_DPTR_STR_SIZE 256
12 :
13 : static int nvme_qpair_resubmit_request(struct spdk_nvme_qpair *qpair, struct nvme_request *req);
14 :
15 : struct nvme_string {
16 : uint16_t value;
17 : const char *str;
18 : };
19 :
20 : static const struct nvme_string admin_opcode[] = {
21 : { SPDK_NVME_OPC_DELETE_IO_SQ, "DELETE IO SQ" },
22 : { SPDK_NVME_OPC_CREATE_IO_SQ, "CREATE IO SQ" },
23 : { SPDK_NVME_OPC_GET_LOG_PAGE, "GET LOG PAGE" },
24 : { SPDK_NVME_OPC_DELETE_IO_CQ, "DELETE IO CQ" },
25 : { SPDK_NVME_OPC_CREATE_IO_CQ, "CREATE IO CQ" },
26 : { SPDK_NVME_OPC_IDENTIFY, "IDENTIFY" },
27 : { SPDK_NVME_OPC_ABORT, "ABORT" },
28 : { SPDK_NVME_OPC_SET_FEATURES, "SET FEATURES" },
29 : { SPDK_NVME_OPC_GET_FEATURES, "GET FEATURES" },
30 : { SPDK_NVME_OPC_ASYNC_EVENT_REQUEST, "ASYNC EVENT REQUEST" },
31 : { SPDK_NVME_OPC_NS_MANAGEMENT, "NAMESPACE MANAGEMENT" },
32 : { SPDK_NVME_OPC_FIRMWARE_COMMIT, "FIRMWARE COMMIT" },
33 : { SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD, "FIRMWARE IMAGE DOWNLOAD" },
34 : { SPDK_NVME_OPC_DEVICE_SELF_TEST, "DEVICE SELF-TEST" },
35 : { SPDK_NVME_OPC_NS_ATTACHMENT, "NAMESPACE ATTACHMENT" },
36 : { SPDK_NVME_OPC_KEEP_ALIVE, "KEEP ALIVE" },
37 : { SPDK_NVME_OPC_DIRECTIVE_SEND, "DIRECTIVE SEND" },
38 : { SPDK_NVME_OPC_DIRECTIVE_RECEIVE, "DIRECTIVE RECEIVE" },
39 : { SPDK_NVME_OPC_VIRTUALIZATION_MANAGEMENT, "VIRTUALIZATION MANAGEMENT" },
40 : { SPDK_NVME_OPC_NVME_MI_SEND, "NVME-MI SEND" },
41 : { SPDK_NVME_OPC_NVME_MI_RECEIVE, "NVME-MI RECEIVE" },
42 : { SPDK_NVME_OPC_DOORBELL_BUFFER_CONFIG, "DOORBELL BUFFER CONFIG" },
43 : { SPDK_NVME_OPC_FABRIC, "FABRIC" },
44 : { SPDK_NVME_OPC_FORMAT_NVM, "FORMAT NVM" },
45 : { SPDK_NVME_OPC_SECURITY_SEND, "SECURITY SEND" },
46 : { SPDK_NVME_OPC_SECURITY_RECEIVE, "SECURITY RECEIVE" },
47 : { SPDK_NVME_OPC_SANITIZE, "SANITIZE" },
48 : { SPDK_NVME_OPC_GET_LBA_STATUS, "GET LBA STATUS" },
49 : { SPDK_OCSSD_OPC_GEOMETRY, "OCSSD / GEOMETRY" },
50 : { 0xFFFF, "ADMIN COMMAND" }
51 : };
52 :
53 : static const struct nvme_string fabric_opcode[] = {
54 : { SPDK_NVMF_FABRIC_COMMAND_PROPERTY_SET, "PROPERTY SET" },
55 : { SPDK_NVMF_FABRIC_COMMAND_CONNECT, "CONNECT" },
56 : { SPDK_NVMF_FABRIC_COMMAND_PROPERTY_GET, "PROPERTY GET" },
57 : { SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_SEND, "AUTHENTICATION SEND" },
58 : { SPDK_NVMF_FABRIC_COMMAND_AUTHENTICATION_RECV, "AUTHENTICATION RECV" },
59 : { 0xFFFF, "RESERVED / VENDOR SPECIFIC" }
60 : };
61 :
62 : static const struct nvme_string feat_opcode[] = {
63 : { SPDK_NVME_FEAT_ARBITRATION, "ARBITRATION" },
64 : { SPDK_NVME_FEAT_POWER_MANAGEMENT, "POWER MANAGEMENT" },
65 : { SPDK_NVME_FEAT_LBA_RANGE_TYPE, "LBA RANGE TYPE" },
66 : { SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD, "TEMPERATURE THRESHOLD" },
67 : { SPDK_NVME_FEAT_ERROR_RECOVERY, "ERROR_RECOVERY" },
68 : { SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE, "VOLATILE WRITE CACHE" },
69 : { SPDK_NVME_FEAT_NUMBER_OF_QUEUES, "NUMBER OF QUEUES" },
70 : { SPDK_NVME_FEAT_INTERRUPT_COALESCING, "INTERRUPT COALESCING" },
71 : { SPDK_NVME_FEAT_INTERRUPT_VECTOR_CONFIGURATION, "INTERRUPT VECTOR CONFIGURATION" },
72 : { SPDK_NVME_FEAT_WRITE_ATOMICITY, "WRITE ATOMICITY" },
73 : { SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION, "ASYNC EVENT CONFIGURATION" },
74 : { SPDK_NVME_FEAT_AUTONOMOUS_POWER_STATE_TRANSITION, "AUTONOMOUS POWER STATE TRANSITION" },
75 : { SPDK_NVME_FEAT_HOST_MEM_BUFFER, "HOST MEM BUFFER" },
76 : { SPDK_NVME_FEAT_TIMESTAMP, "TIMESTAMP" },
77 : { SPDK_NVME_FEAT_KEEP_ALIVE_TIMER, "KEEP ALIVE TIMER" },
78 : { SPDK_NVME_FEAT_HOST_CONTROLLED_THERMAL_MANAGEMENT, "HOST CONTROLLED THERMAL MANAGEMENT" },
79 : { SPDK_NVME_FEAT_NON_OPERATIONAL_POWER_STATE_CONFIG, "NON OPERATIONAL POWER STATE CONFIG" },
80 : { SPDK_NVME_FEAT_SOFTWARE_PROGRESS_MARKER, "SOFTWARE PROGRESS MARKER" },
81 : { SPDK_NVME_FEAT_HOST_IDENTIFIER, "HOST IDENTIFIER" },
82 : { SPDK_NVME_FEAT_HOST_RESERVE_MASK, "HOST RESERVE MASK" },
83 : { SPDK_NVME_FEAT_HOST_RESERVE_PERSIST, "HOST RESERVE PERSIST" },
84 : { 0xFFFF, "RESERVED" }
85 : };
86 :
87 : static const struct nvme_string io_opcode[] = {
88 : { SPDK_NVME_OPC_FLUSH, "FLUSH" },
89 : { SPDK_NVME_OPC_WRITE, "WRITE" },
90 : { SPDK_NVME_OPC_READ, "READ" },
91 : { SPDK_NVME_OPC_WRITE_UNCORRECTABLE, "WRITE UNCORRECTABLE" },
92 : { SPDK_NVME_OPC_COMPARE, "COMPARE" },
93 : { SPDK_NVME_OPC_WRITE_ZEROES, "WRITE ZEROES" },
94 : { SPDK_NVME_OPC_DATASET_MANAGEMENT, "DATASET MANAGEMENT" },
95 : { SPDK_NVME_OPC_RESERVATION_REGISTER, "RESERVATION REGISTER" },
96 : { SPDK_NVME_OPC_RESERVATION_REPORT, "RESERVATION REPORT" },
97 : { SPDK_NVME_OPC_RESERVATION_ACQUIRE, "RESERVATION ACQUIRE" },
98 : { SPDK_NVME_OPC_RESERVATION_RELEASE, "RESERVATION RELEASE" },
99 : { SPDK_OCSSD_OPC_VECTOR_RESET, "OCSSD / VECTOR RESET" },
100 : { SPDK_OCSSD_OPC_VECTOR_WRITE, "OCSSD / VECTOR WRITE" },
101 : { SPDK_OCSSD_OPC_VECTOR_READ, "OCSSD / VECTOR READ" },
102 : { SPDK_OCSSD_OPC_VECTOR_COPY, "OCSSD / VECTOR COPY" },
103 : { 0xFFFF, "IO COMMAND" }
104 : };
105 :
106 : static const struct nvme_string sgl_type[] = {
107 : { SPDK_NVME_SGL_TYPE_DATA_BLOCK, "DATA BLOCK" },
108 : { SPDK_NVME_SGL_TYPE_BIT_BUCKET, "BIT BUCKET" },
109 : { SPDK_NVME_SGL_TYPE_SEGMENT, "SEGMENT" },
110 : { SPDK_NVME_SGL_TYPE_LAST_SEGMENT, "LAST SEGMENT" },
111 : { SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK, "KEYED DATA BLOCK" },
112 : { SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK, "TRANSPORT DATA BLOCK" },
113 : { SPDK_NVME_SGL_TYPE_VENDOR_SPECIFIC, "VENDOR SPECIFIC" },
114 : { 0xFFFF, "RESERVED" }
115 : };
116 :
117 : static const struct nvme_string sgl_subtype[] = {
118 : { SPDK_NVME_SGL_SUBTYPE_ADDRESS, "ADDRESS" },
119 : { SPDK_NVME_SGL_SUBTYPE_OFFSET, "OFFSET" },
120 : { SPDK_NVME_SGL_SUBTYPE_TRANSPORT, "TRANSPORT" },
121 : { SPDK_NVME_SGL_SUBTYPE_INVALIDATE_KEY, "INVALIDATE KEY" },
122 : { 0xFFFF, "RESERVED" }
123 : };
124 :
125 : static const char *
126 17 : nvme_get_string(const struct nvme_string *strings, uint16_t value)
127 : {
128 : const struct nvme_string *entry;
129 :
130 17 : entry = strings;
131 :
132 59 : while (entry->value != 0xFFFF) {
133 59 : if (entry->value == value) {
134 17 : return entry->str;
135 : }
136 42 : entry++;
137 : }
138 0 : return entry->str;
139 : }
140 :
141 : static void
142 2 : nvme_get_sgl_unkeyed(char *buf, size_t size, struct spdk_nvme_cmd *cmd)
143 : {
144 2 : struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;
145 :
146 2 : snprintf(buf, size, " len:0x%x", sgl->unkeyed.length);
147 2 : }
148 :
149 : static void
150 2 : nvme_get_sgl_keyed(char *buf, size_t size, struct spdk_nvme_cmd *cmd)
151 : {
152 2 : struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;
153 :
154 2 : snprintf(buf, size, " len:0x%x key:0x%x", sgl->keyed.length, sgl->keyed.key);
155 2 : }
156 :
157 : static void
158 2 : nvme_get_sgl(char *buf, size_t size, struct spdk_nvme_cmd *cmd)
159 : {
160 2 : struct spdk_nvme_sgl_descriptor *sgl = &cmd->dptr.sgl1;
161 : int c;
162 :
163 2 : c = snprintf(buf, size, "SGL %s %s 0x%" PRIx64, nvme_get_string(sgl_type, sgl->generic.type),
164 2 : nvme_get_string(sgl_subtype, sgl->generic.subtype), sgl->address);
165 2 : assert(c >= 0 && (size_t)c < size);
166 :
167 2 : if (sgl->generic.type == SPDK_NVME_SGL_TYPE_DATA_BLOCK) {
168 1 : nvme_get_sgl_unkeyed(buf + c, size - c, cmd);
169 : }
170 :
171 2 : if (sgl->generic.type == SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK) {
172 1 : nvme_get_sgl_keyed(buf + c, size - c, cmd);
173 : }
174 2 : }
175 :
176 : static void
177 0 : nvme_get_prp(char *buf, size_t size, struct spdk_nvme_cmd *cmd)
178 : {
179 0 : snprintf(buf, size, "PRP1 0x%" PRIx64 " PRP2 0x%" PRIx64, cmd->dptr.prp.prp1, cmd->dptr.prp.prp2);
180 0 : }
181 :
182 : static void
183 5 : nvme_get_dptr(char *buf, size_t size, struct spdk_nvme_cmd *cmd)
184 : {
185 5 : if (spdk_nvme_opc_get_data_transfer(cmd->opc) != SPDK_NVME_DATA_NONE) {
186 0 : switch (cmd->psdt) {
187 0 : case SPDK_NVME_PSDT_PRP:
188 0 : nvme_get_prp(buf, size, cmd);
189 0 : break;
190 0 : case SPDK_NVME_PSDT_SGL_MPTR_CONTIG:
191 : case SPDK_NVME_PSDT_SGL_MPTR_SGL:
192 0 : nvme_get_sgl(buf, size, cmd);
193 0 : break;
194 5 : default:
195 : ;
196 : }
197 : }
198 5 : }
199 :
200 : static void
201 0 : nvme_admin_qpair_print_command(uint16_t qid, struct spdk_nvme_cmd *cmd)
202 : {
203 0 : struct spdk_nvmf_capsule_cmd *fcmd = (void *)cmd;
204 0 : char dptr[NVME_CMD_DPTR_STR_SIZE] = {'\0'};
205 :
206 0 : assert(cmd != NULL);
207 :
208 0 : nvme_get_dptr(dptr, sizeof(dptr), cmd);
209 :
210 0 : switch ((int)cmd->opc) {
211 0 : case SPDK_NVME_OPC_SET_FEATURES:
212 : case SPDK_NVME_OPC_GET_FEATURES:
213 0 : SPDK_NOTICELOG("%s %s cid:%d cdw10:%08x %s\n",
214 : nvme_get_string(admin_opcode, cmd->opc), nvme_get_string(feat_opcode,
215 : cmd->cdw10_bits.set_features.fid), cmd->cid, cmd->cdw10, dptr);
216 0 : break;
217 0 : case SPDK_NVME_OPC_FABRIC:
218 0 : SPDK_NOTICELOG("%s %s qid:%d cid:%d %s\n",
219 : nvme_get_string(admin_opcode, cmd->opc), nvme_get_string(fabric_opcode, fcmd->fctype), qid,
220 : fcmd->cid, dptr);
221 0 : break;
222 0 : default:
223 0 : SPDK_NOTICELOG("%s (%02x) qid:%d cid:%d nsid:%x cdw10:%08x cdw11:%08x %s\n",
224 : nvme_get_string(admin_opcode, cmd->opc), cmd->opc, qid, cmd->cid, cmd->nsid, cmd->cdw10,
225 : cmd->cdw11, dptr);
226 : }
227 0 : }
228 :
229 : static void
230 5 : nvme_io_qpair_print_command(uint16_t qid, struct spdk_nvme_cmd *cmd)
231 : {
232 5 : char dptr[NVME_CMD_DPTR_STR_SIZE] = {'\0'};
233 :
234 5 : assert(cmd != NULL);
235 :
236 5 : nvme_get_dptr(dptr, sizeof(dptr), cmd);
237 :
238 5 : switch ((int)cmd->opc) {
239 0 : case SPDK_NVME_OPC_WRITE:
240 : case SPDK_NVME_OPC_READ:
241 : case SPDK_NVME_OPC_WRITE_UNCORRECTABLE:
242 : case SPDK_NVME_OPC_COMPARE:
243 0 : SPDK_NOTICELOG("%s sqid:%d cid:%d nsid:%d "
244 : "lba:%llu len:%d %s\n",
245 : nvme_get_string(io_opcode, cmd->opc), qid, cmd->cid, cmd->nsid,
246 : ((unsigned long long)cmd->cdw11 << 32) + cmd->cdw10,
247 : (cmd->cdw12 & 0xFFFF) + 1, dptr);
248 0 : break;
249 5 : case SPDK_NVME_OPC_FLUSH:
250 : case SPDK_NVME_OPC_DATASET_MANAGEMENT:
251 5 : SPDK_NOTICELOG("%s sqid:%d cid:%d nsid:%d\n",
252 : nvme_get_string(io_opcode, cmd->opc), qid, cmd->cid, cmd->nsid);
253 5 : break;
254 0 : default:
255 0 : SPDK_NOTICELOG("%s (%02x) sqid:%d cid:%d nsid:%d\n",
256 : nvme_get_string(io_opcode, cmd->opc), cmd->opc, qid, cmd->cid, cmd->nsid);
257 0 : break;
258 : }
259 5 : }
260 :
261 : void
262 5 : spdk_nvme_print_command(uint16_t qid, struct spdk_nvme_cmd *cmd)
263 : {
264 5 : assert(cmd != NULL);
265 :
266 5 : if (qid == 0 || cmd->opc == SPDK_NVME_OPC_FABRIC) {
267 0 : nvme_admin_qpair_print_command(qid, cmd);
268 : } else {
269 5 : nvme_io_qpair_print_command(qid, cmd);
270 : }
271 5 : }
272 :
273 : void
274 5 : spdk_nvme_qpair_print_command(struct spdk_nvme_qpair *qpair, struct spdk_nvme_cmd *cmd)
275 : {
276 5 : assert(qpair != NULL);
277 5 : assert(cmd != NULL);
278 :
279 5 : spdk_nvme_print_command(qpair->id, cmd);
280 5 : }
281 :
282 : static const struct nvme_string status_type[] = {
283 : { SPDK_NVME_SCT_GENERIC, "GENERIC" },
284 : { SPDK_NVME_SCT_COMMAND_SPECIFIC, "COMMAND SPECIFIC" },
285 : { SPDK_NVME_SCT_MEDIA_ERROR, "MEDIA ERROR" },
286 : { SPDK_NVME_SCT_PATH, "PATH" },
287 : { SPDK_NVME_SCT_VENDOR_SPECIFIC, "VENDOR SPECIFIC" },
288 : { 0xFFFF, "RESERVED" },
289 : };
290 :
291 : static const struct nvme_string generic_status[] = {
292 : { SPDK_NVME_SC_SUCCESS, "SUCCESS" },
293 : { SPDK_NVME_SC_INVALID_OPCODE, "INVALID OPCODE" },
294 : { SPDK_NVME_SC_INVALID_FIELD, "INVALID FIELD" },
295 : { SPDK_NVME_SC_COMMAND_ID_CONFLICT, "COMMAND ID CONFLICT" },
296 : { SPDK_NVME_SC_DATA_TRANSFER_ERROR, "DATA TRANSFER ERROR" },
297 : { SPDK_NVME_SC_ABORTED_POWER_LOSS, "ABORTED - POWER LOSS" },
298 : { SPDK_NVME_SC_INTERNAL_DEVICE_ERROR, "INTERNAL DEVICE ERROR" },
299 : { SPDK_NVME_SC_ABORTED_BY_REQUEST, "ABORTED - BY REQUEST" },
300 : { SPDK_NVME_SC_ABORTED_SQ_DELETION, "ABORTED - SQ DELETION" },
301 : { SPDK_NVME_SC_ABORTED_FAILED_FUSED, "ABORTED - FAILED FUSED" },
302 : { SPDK_NVME_SC_ABORTED_MISSING_FUSED, "ABORTED - MISSING FUSED" },
303 : { SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT, "INVALID NAMESPACE OR FORMAT" },
304 : { SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR, "COMMAND SEQUENCE ERROR" },
305 : { SPDK_NVME_SC_INVALID_SGL_SEG_DESCRIPTOR, "INVALID SGL SEGMENT DESCRIPTOR" },
306 : { SPDK_NVME_SC_INVALID_NUM_SGL_DESCIRPTORS, "INVALID NUMBER OF SGL DESCRIPTORS" },
307 : { SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID, "DATA SGL LENGTH INVALID" },
308 : { SPDK_NVME_SC_METADATA_SGL_LENGTH_INVALID, "METADATA SGL LENGTH INVALID" },
309 : { SPDK_NVME_SC_SGL_DESCRIPTOR_TYPE_INVALID, "SGL DESCRIPTOR TYPE INVALID" },
310 : { SPDK_NVME_SC_INVALID_CONTROLLER_MEM_BUF, "INVALID CONTROLLER MEMORY BUFFER" },
311 : { SPDK_NVME_SC_INVALID_PRP_OFFSET, "INVALID PRP OFFSET" },
312 : { SPDK_NVME_SC_ATOMIC_WRITE_UNIT_EXCEEDED, "ATOMIC WRITE UNIT EXCEEDED" },
313 : { SPDK_NVME_SC_OPERATION_DENIED, "OPERATION DENIED" },
314 : { SPDK_NVME_SC_INVALID_SGL_OFFSET, "INVALID SGL OFFSET" },
315 : { SPDK_NVME_SC_HOSTID_INCONSISTENT_FORMAT, "HOSTID INCONSISTENT FORMAT" },
316 : { SPDK_NVME_SC_KEEP_ALIVE_EXPIRED, "KEEP ALIVE EXPIRED" },
317 : { SPDK_NVME_SC_KEEP_ALIVE_INVALID, "KEEP ALIVE INVALID" },
318 : { SPDK_NVME_SC_ABORTED_PREEMPT, "ABORTED - PREEMPT AND ABORT" },
319 : { SPDK_NVME_SC_SANITIZE_FAILED, "SANITIZE FAILED" },
320 : { SPDK_NVME_SC_SANITIZE_IN_PROGRESS, "SANITIZE IN PROGRESS" },
321 : { SPDK_NVME_SC_SGL_DATA_BLOCK_GRANULARITY_INVALID, "DATA BLOCK GRANULARITY INVALID" },
322 : { SPDK_NVME_SC_COMMAND_INVALID_IN_CMB, "COMMAND NOT SUPPORTED FOR QUEUE IN CMB" },
323 : { SPDK_NVME_SC_COMMAND_NAMESPACE_IS_PROTECTED, "COMMAND NAMESPACE IS PROTECTED" },
324 : { SPDK_NVME_SC_COMMAND_INTERRUPTED, "COMMAND INTERRUPTED" },
325 : { SPDK_NVME_SC_COMMAND_TRANSIENT_TRANSPORT_ERROR, "COMMAND TRANSIENT TRANSPORT ERROR" },
326 : { SPDK_NVME_SC_LBA_OUT_OF_RANGE, "LBA OUT OF RANGE" },
327 : { SPDK_NVME_SC_CAPACITY_EXCEEDED, "CAPACITY EXCEEDED" },
328 : { SPDK_NVME_SC_NAMESPACE_NOT_READY, "NAMESPACE NOT READY" },
329 : { SPDK_NVME_SC_RESERVATION_CONFLICT, "RESERVATION CONFLICT" },
330 : { SPDK_NVME_SC_FORMAT_IN_PROGRESS, "FORMAT IN PROGRESS" },
331 : { SPDK_NVME_SC_INVALID_VALUE_SIZE, "INVALID VALUE SIZE" },
332 : { SPDK_NVME_SC_INVALID_KEY_SIZE, "INVALID KEY SIZE" },
333 : { SPDK_NVME_SC_KV_KEY_DOES_NOT_EXIST, "KV KEY DOES NOT EXIST" },
334 : { SPDK_NVME_SC_UNRECOVERED_ERROR, "UNRECOVERED ERROR" },
335 : { SPDK_NVME_SC_KEY_EXISTS, "KEY EXISTS" },
336 : { 0xFFFF, "GENERIC" }
337 : };
338 :
339 : static const struct nvme_string command_specific_status[] = {
340 : { SPDK_NVME_SC_COMPLETION_QUEUE_INVALID, "INVALID COMPLETION QUEUE" },
341 : { SPDK_NVME_SC_INVALID_QUEUE_IDENTIFIER, "INVALID QUEUE IDENTIFIER" },
342 : { SPDK_NVME_SC_INVALID_QUEUE_SIZE, "INVALID QUEUE SIZE" },
343 : { SPDK_NVME_SC_ABORT_COMMAND_LIMIT_EXCEEDED, "ABORT CMD LIMIT EXCEEDED" },
344 : { SPDK_NVME_SC_ASYNC_EVENT_REQUEST_LIMIT_EXCEEDED, "ASYNC LIMIT EXCEEDED" },
345 : { SPDK_NVME_SC_INVALID_FIRMWARE_SLOT, "INVALID FIRMWARE SLOT" },
346 : { SPDK_NVME_SC_INVALID_FIRMWARE_IMAGE, "INVALID FIRMWARE IMAGE" },
347 : { SPDK_NVME_SC_INVALID_INTERRUPT_VECTOR, "INVALID INTERRUPT VECTOR" },
348 : { SPDK_NVME_SC_INVALID_LOG_PAGE, "INVALID LOG PAGE" },
349 : { SPDK_NVME_SC_INVALID_FORMAT, "INVALID FORMAT" },
350 : { SPDK_NVME_SC_FIRMWARE_REQ_CONVENTIONAL_RESET, "FIRMWARE REQUIRES CONVENTIONAL RESET" },
351 : { SPDK_NVME_SC_INVALID_QUEUE_DELETION, "INVALID QUEUE DELETION" },
352 : { SPDK_NVME_SC_FEATURE_ID_NOT_SAVEABLE, "FEATURE ID NOT SAVEABLE" },
353 : { SPDK_NVME_SC_FEATURE_NOT_CHANGEABLE, "FEATURE NOT CHANGEABLE" },
354 : { SPDK_NVME_SC_FEATURE_NOT_NAMESPACE_SPECIFIC, "FEATURE NOT NAMESPACE SPECIFIC" },
355 : { SPDK_NVME_SC_FIRMWARE_REQ_NVM_RESET, "FIRMWARE REQUIRES NVM RESET" },
356 : { SPDK_NVME_SC_FIRMWARE_REQ_RESET, "FIRMWARE REQUIRES RESET" },
357 : { SPDK_NVME_SC_FIRMWARE_REQ_MAX_TIME_VIOLATION, "FIRMWARE REQUIRES MAX TIME VIOLATION" },
358 : { SPDK_NVME_SC_FIRMWARE_ACTIVATION_PROHIBITED, "FIRMWARE ACTIVATION PROHIBITED" },
359 : { SPDK_NVME_SC_OVERLAPPING_RANGE, "OVERLAPPING RANGE" },
360 : { SPDK_NVME_SC_NAMESPACE_INSUFFICIENT_CAPACITY, "NAMESPACE INSUFFICIENT CAPACITY" },
361 : { SPDK_NVME_SC_NAMESPACE_ID_UNAVAILABLE, "NAMESPACE ID UNAVAILABLE" },
362 : { SPDK_NVME_SC_NAMESPACE_ALREADY_ATTACHED, "NAMESPACE ALREADY ATTACHED" },
363 : { SPDK_NVME_SC_NAMESPACE_IS_PRIVATE, "NAMESPACE IS PRIVATE" },
364 : { SPDK_NVME_SC_NAMESPACE_NOT_ATTACHED, "NAMESPACE NOT ATTACHED" },
365 : { SPDK_NVME_SC_THINPROVISIONING_NOT_SUPPORTED, "THINPROVISIONING NOT SUPPORTED" },
366 : { SPDK_NVME_SC_CONTROLLER_LIST_INVALID, "CONTROLLER LIST INVALID" },
367 : { SPDK_NVME_SC_DEVICE_SELF_TEST_IN_PROGRESS, "DEVICE SELF-TEST IN PROGRESS" },
368 : { SPDK_NVME_SC_BOOT_PARTITION_WRITE_PROHIBITED, "BOOT PARTITION WRITE PROHIBITED" },
369 : { SPDK_NVME_SC_INVALID_CTRLR_ID, "INVALID CONTROLLER ID" },
370 : { SPDK_NVME_SC_INVALID_SECONDARY_CTRLR_STATE, "INVALID SECONDARY CONTROLLER STATE" },
371 : { SPDK_NVME_SC_INVALID_NUM_CTRLR_RESOURCES, "INVALID NUMBER OF CONTROLLER RESOURCES" },
372 : { SPDK_NVME_SC_INVALID_RESOURCE_ID, "INVALID RESOURCE IDENTIFIER" },
373 : { SPDK_NVME_SC_SANITIZE_PROHIBITED, "SANITIZE PROHIBITED" },
374 : { SPDK_NVME_SC_ANA_GROUP_IDENTIFIER_INVALID, "ANA GROUP IDENTIFIER INVALID" },
375 : { SPDK_NVME_SC_ANA_ATTACH_FAILED, "ANA ATTACH FAILED" },
376 : { SPDK_NVME_SC_INSUFFICIENT_CAPACITY, "INSUFFICIENT CAPACITY" },
377 : { SPDK_NVME_SC_NAMESPACE_ATTACH_LIMIT_EXCEEDED, "NAMESPACE ATTACH LIMIT EXCEEDED" },
378 : { SPDK_NVME_SC_PROHIBIT_CMD_EXEC_NOT_SUPPORTED, "PROHIBIT COMMAND EXEC NOT SUPPORTED" },
379 : { SPDK_NVME_SC_IOCS_NOT_SUPPORTED, "IOCS NOT SUPPORTED" },
380 : { SPDK_NVME_SC_IOCS_NOT_ENABLED, "IOCS NOT ENABLED" },
381 : { SPDK_NVME_SC_IOCS_COMBINATION_REJECTED, "IOCS COMBINATION REJECTED" },
382 : { SPDK_NVME_SC_INVALID_IOCS, "INVALID IOCS" },
383 : { SPDK_NVME_SC_IDENTIFIER_UNAVAILABLE, "IDENTIFIER UNAVAILABLE" },
384 : { SPDK_NVME_SC_STREAM_RESOURCE_ALLOCATION_FAILED, "STREAM RESOURCE ALLOCATION FAILED"},
385 : { SPDK_NVME_SC_CONFLICTING_ATTRIBUTES, "CONFLICTING ATTRIBUTES" },
386 : { SPDK_NVME_SC_INVALID_PROTECTION_INFO, "INVALID PROTECTION INFO" },
387 : { SPDK_NVME_SC_ATTEMPTED_WRITE_TO_RO_RANGE, "WRITE TO RO RANGE" },
388 : { SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED, "CMD SIZE LIMIT SIZE EXCEEDED" },
389 : { SPDK_NVME_SC_ZONED_BOUNDARY_ERROR, "ZONED BOUNDARY ERROR" },
390 : { SPDK_NVME_SC_ZONE_IS_FULL, "ZONE IS FULL" },
391 : { SPDK_NVME_SC_ZONE_IS_READ_ONLY, "ZONE IS READ ONLY" },
392 : { SPDK_NVME_SC_ZONE_IS_OFFLINE, "ZONE IS OFFLINE" },
393 : { SPDK_NVME_SC_ZONE_INVALID_WRITE, "ZONE INVALID WRITE" },
394 : { SPDK_NVME_SC_TOO_MANY_ACTIVE_ZONES, "TOO MANY ACTIVE ZONES" },
395 : { SPDK_NVME_SC_TOO_MANY_OPEN_ZONES, "TOO MANY OPEN ZONES" },
396 : { SPDK_NVME_SC_INVALID_ZONE_STATE_TRANSITION, "INVALID ZONE STATE TRANSITION" },
397 : { 0xFFFF, "COMMAND SPECIFIC" }
398 : };
399 :
400 : static const struct nvme_string media_error_status[] = {
401 : { SPDK_NVME_SC_WRITE_FAULTS, "WRITE FAULTS" },
402 : { SPDK_NVME_SC_UNRECOVERED_READ_ERROR, "UNRECOVERED READ ERROR" },
403 : { SPDK_NVME_SC_GUARD_CHECK_ERROR, "GUARD CHECK ERROR" },
404 : { SPDK_NVME_SC_APPLICATION_TAG_CHECK_ERROR, "APPLICATION TAG CHECK ERROR" },
405 : { SPDK_NVME_SC_REFERENCE_TAG_CHECK_ERROR, "REFERENCE TAG CHECK ERROR" },
406 : { SPDK_NVME_SC_COMPARE_FAILURE, "COMPARE FAILURE" },
407 : { SPDK_NVME_SC_ACCESS_DENIED, "ACCESS DENIED" },
408 : { SPDK_NVME_SC_DEALLOCATED_OR_UNWRITTEN_BLOCK, "DEALLOCATED OR UNWRITTEN BLOCK" },
409 : { SPDK_NVME_SC_END_TO_END_STORAGE_TAG_CHECK_ERROR, "END TO END STORAGE TAG CHECK ERROR" },
410 : { SPDK_OCSSD_SC_OFFLINE_CHUNK, "RESET OFFLINE CHUNK" },
411 : { SPDK_OCSSD_SC_INVALID_RESET, "INVALID RESET" },
412 : { SPDK_OCSSD_SC_WRITE_FAIL_WRITE_NEXT_UNIT, "WRITE FAIL WRITE NEXT UNIT" },
413 : { SPDK_OCSSD_SC_WRITE_FAIL_CHUNK_EARLY_CLOSE, "WRITE FAIL CHUNK EARLY CLOSE" },
414 : { SPDK_OCSSD_SC_OUT_OF_ORDER_WRITE, "OUT OF ORDER WRITE" },
415 : { SPDK_OCSSD_SC_READ_HIGH_ECC, "READ HIGH ECC" },
416 : { 0xFFFF, "MEDIA ERROR" }
417 : };
418 :
419 : static const struct nvme_string path_status[] = {
420 : { SPDK_NVME_SC_INTERNAL_PATH_ERROR, "INTERNAL PATH ERROR" },
421 : { SPDK_NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS, "ASYMMETRIC ACCESS PERSISTENT LOSS" },
422 : { SPDK_NVME_SC_ASYMMETRIC_ACCESS_INACCESSIBLE, "ASYMMETRIC ACCESS INACCESSIBLE" },
423 : { SPDK_NVME_SC_ASYMMETRIC_ACCESS_TRANSITION, "ASYMMETRIC ACCESS TRANSITION" },
424 : { SPDK_NVME_SC_CONTROLLER_PATH_ERROR, "CONTROLLER PATH ERROR" },
425 : { SPDK_NVME_SC_HOST_PATH_ERROR, "HOST PATH ERROR" },
426 : { SPDK_NVME_SC_ABORTED_BY_HOST, "ABORTED BY HOST" },
427 : { 0xFFFF, "PATH ERROR" }
428 : };
429 :
430 : const char *
431 10 : spdk_nvme_cpl_get_status_string(const struct spdk_nvme_status *status)
432 : {
433 : const struct nvme_string *entry;
434 :
435 10 : switch (status->sct) {
436 6 : case SPDK_NVME_SCT_GENERIC:
437 6 : entry = generic_status;
438 6 : break;
439 1 : case SPDK_NVME_SCT_COMMAND_SPECIFIC:
440 1 : entry = command_specific_status;
441 1 : break;
442 1 : case SPDK_NVME_SCT_MEDIA_ERROR:
443 1 : entry = media_error_status;
444 1 : break;
445 0 : case SPDK_NVME_SCT_PATH:
446 0 : entry = path_status;
447 0 : break;
448 1 : case SPDK_NVME_SCT_VENDOR_SPECIFIC:
449 1 : return "VENDOR SPECIFIC";
450 1 : default:
451 1 : return "RESERVED";
452 : }
453 :
454 8 : return nvme_get_string(entry, status->sc);
455 : }
456 :
457 : const char *
458 0 : spdk_nvme_cpl_get_status_type_string(const struct spdk_nvme_status *status)
459 : {
460 0 : return nvme_get_string(status_type, status->sct);
461 : }
462 :
463 : void
464 5 : spdk_nvme_print_completion(uint16_t qid, struct spdk_nvme_cpl *cpl)
465 : {
466 5 : assert(cpl != NULL);
467 :
468 : /* Check that sqid matches qid. Note that sqid is reserved
469 : * for fabrics so don't print an error when sqid is 0. */
470 5 : if (cpl->sqid != qid && cpl->sqid != 0) {
471 0 : SPDK_ERRLOG("sqid %u doesn't match qid\n", cpl->sqid);
472 : }
473 :
474 5 : SPDK_NOTICELOG("%s (%02x/%02x) qid:%d cid:%d cdw0:%x sqhd:%04x p:%x m:%x dnr:%x\n",
475 : spdk_nvme_cpl_get_status_string(&cpl->status),
476 : cpl->status.sct, cpl->status.sc, qid, cpl->cid, cpl->cdw0,
477 : cpl->sqhd, cpl->status.p, cpl->status.m, cpl->status.dnr);
478 5 : }
479 :
480 : void
481 5 : spdk_nvme_qpair_print_completion(struct spdk_nvme_qpair *qpair, struct spdk_nvme_cpl *cpl)
482 : {
483 5 : spdk_nvme_print_completion(qpair->id, cpl);
484 5 : }
485 :
486 : bool
487 32 : nvme_completion_is_retry(const struct spdk_nvme_cpl *cpl)
488 : {
489 : /*
490 : * TODO: spec is not clear how commands that are aborted due
491 : * to TLER will be marked. So for now, it seems
492 : * NAMESPACE_NOT_READY is the only case where we should
493 : * look at the DNR bit.
494 : */
495 32 : switch ((int)cpl->status.sct) {
496 26 : case SPDK_NVME_SCT_GENERIC:
497 26 : switch ((int)cpl->status.sc) {
498 3 : case SPDK_NVME_SC_NAMESPACE_NOT_READY:
499 : case SPDK_NVME_SC_FORMAT_IN_PROGRESS:
500 3 : if (cpl->status.dnr) {
501 1 : return false;
502 : } else {
503 2 : return true;
504 : }
505 23 : case SPDK_NVME_SC_INVALID_OPCODE:
506 : case SPDK_NVME_SC_INVALID_FIELD:
507 : case SPDK_NVME_SC_COMMAND_ID_CONFLICT:
508 : case SPDK_NVME_SC_DATA_TRANSFER_ERROR:
509 : case SPDK_NVME_SC_ABORTED_POWER_LOSS:
510 : case SPDK_NVME_SC_INTERNAL_DEVICE_ERROR:
511 : case SPDK_NVME_SC_ABORTED_BY_REQUEST:
512 : case SPDK_NVME_SC_ABORTED_SQ_DELETION:
513 : case SPDK_NVME_SC_ABORTED_FAILED_FUSED:
514 : case SPDK_NVME_SC_ABORTED_MISSING_FUSED:
515 : case SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT:
516 : case SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR:
517 : case SPDK_NVME_SC_LBA_OUT_OF_RANGE:
518 : case SPDK_NVME_SC_CAPACITY_EXCEEDED:
519 : default:
520 23 : return false;
521 : }
522 2 : case SPDK_NVME_SCT_PATH:
523 : /*
524 : * Per NVMe TP 4028 (Path and Transport Error Enhancements), retries should be
525 : * based on the setting of the DNR bit for Internal Path Error
526 : */
527 2 : switch ((int)cpl->status.sc) {
528 2 : case SPDK_NVME_SC_INTERNAL_PATH_ERROR:
529 2 : return !cpl->status.dnr;
530 0 : default:
531 0 : return false;
532 : }
533 4 : case SPDK_NVME_SCT_COMMAND_SPECIFIC:
534 : case SPDK_NVME_SCT_MEDIA_ERROR:
535 : case SPDK_NVME_SCT_VENDOR_SPECIFIC:
536 : default:
537 4 : return false;
538 : }
539 : }
540 :
541 : static void
542 7 : nvme_qpair_manual_complete_request(struct spdk_nvme_qpair *qpair,
543 : struct nvme_request *req, uint32_t sct, uint32_t sc,
544 : uint32_t dnr, bool print_on_error)
545 : {
546 7 : struct spdk_nvme_cpl cpl;
547 : bool error;
548 :
549 7 : memset(&cpl, 0, sizeof(cpl));
550 7 : cpl.sqid = qpair->id;
551 7 : cpl.status.sct = sct;
552 7 : cpl.status.sc = sc;
553 7 : cpl.status.dnr = dnr;
554 :
555 7 : error = spdk_nvme_cpl_is_error(&cpl);
556 :
557 7 : if (error && print_on_error && !qpair->ctrlr->opts.disable_error_logging) {
558 5 : SPDK_NOTICELOG("Command completed manually:\n");
559 5 : spdk_nvme_qpair_print_command(qpair, &req->cmd);
560 5 : spdk_nvme_qpair_print_completion(qpair, &cpl);
561 : }
562 :
563 7 : nvme_complete_request(req->cb_fn, req->cb_arg, qpair, req, &cpl);
564 7 : }
565 :
566 : void
567 2 : nvme_qpair_abort_queued_reqs(struct spdk_nvme_qpair *qpair)
568 : {
569 : struct nvme_request *req;
570 2 : STAILQ_HEAD(, nvme_request) tmp;
571 :
572 2 : STAILQ_INIT(&tmp);
573 2 : STAILQ_SWAP(&tmp, &qpair->queued_req, nvme_request);
574 :
575 5 : while (!STAILQ_EMPTY(&tmp)) {
576 3 : req = STAILQ_FIRST(&tmp);
577 3 : STAILQ_REMOVE_HEAD(&tmp, stailq);
578 3 : if (!qpair->ctrlr->opts.disable_error_logging) {
579 3 : SPDK_ERRLOG("aborting queued i/o\n");
580 : }
581 3 : nvme_qpair_manual_complete_request(qpair, req, SPDK_NVME_SCT_GENERIC,
582 3 : SPDK_NVME_SC_ABORTED_SQ_DELETION, qpair->abort_dnr, true);
583 : }
584 2 : }
585 :
586 : /* The callback to a request may submit the next request which is queued and
587 : * then the same callback may abort it immediately. This repetition may cause
588 : * infinite recursive calls. Hence move aborting requests to another list here
589 : * and abort them later at resubmission.
590 : */
591 : static void
592 7 : _nvme_qpair_complete_abort_queued_reqs(struct spdk_nvme_qpair *qpair)
593 : {
594 : struct nvme_request *req;
595 7 : STAILQ_HEAD(, nvme_request) tmp;
596 :
597 7 : if (spdk_likely(STAILQ_EMPTY(&qpair->aborting_queued_req))) {
598 6 : return;
599 : }
600 :
601 1 : STAILQ_INIT(&tmp);
602 1 : STAILQ_SWAP(&tmp, &qpair->aborting_queued_req, nvme_request);
603 :
604 2 : while (!STAILQ_EMPTY(&tmp)) {
605 1 : req = STAILQ_FIRST(&tmp);
606 1 : STAILQ_REMOVE_HEAD(&tmp, stailq);
607 1 : nvme_qpair_manual_complete_request(qpair, req, SPDK_NVME_SCT_GENERIC,
608 : SPDK_NVME_SC_ABORTED_BY_REQUEST, 1, true);
609 : }
610 : }
611 :
612 : uint32_t
613 0 : nvme_qpair_abort_queued_reqs_with_cbarg(struct spdk_nvme_qpair *qpair, void *cmd_cb_arg)
614 : {
615 : struct nvme_request *req, *tmp;
616 0 : uint32_t aborting = 0;
617 :
618 0 : STAILQ_FOREACH_SAFE(req, &qpair->queued_req, stailq, tmp) {
619 0 : if (!nvme_request_abort_match(req, cmd_cb_arg)) {
620 0 : continue;
621 : }
622 :
623 0 : STAILQ_REMOVE(&qpair->queued_req, req, nvme_request, stailq);
624 0 : STAILQ_INSERT_TAIL(&qpair->aborting_queued_req, req, stailq);
625 0 : if (!qpair->ctrlr->opts.disable_error_logging) {
626 0 : SPDK_ERRLOG("aborting queued i/o\n");
627 : }
628 0 : aborting++;
629 : }
630 :
631 0 : return aborting;
632 : }
633 :
634 : static inline bool
635 15 : nvme_qpair_check_enabled(struct spdk_nvme_qpair *qpair)
636 : {
637 : struct nvme_request *req;
638 :
639 : /*
640 : * Either during initial connect or reset, the qpair should follow the given state machine.
641 : * QPAIR_DISABLED->QPAIR_CONNECTING->QPAIR_CONNECTED->QPAIR_ENABLING->QPAIR_ENABLED. In the
642 : * reset case, once the qpair is properly connected, we need to abort any outstanding requests
643 : * from the old transport connection and encourage the application to retry them. We also need
644 : * to submit any queued requests that built up while we were in the connected or enabling state.
645 : */
646 15 : if (spdk_unlikely(nvme_qpair_get_state(qpair) == NVME_QPAIR_CONNECTED &&
647 : !qpair->ctrlr->is_resetting)) {
648 1 : nvme_qpair_set_state(qpair, NVME_QPAIR_ENABLING);
649 : /*
650 : * PCIe is special, for fabrics transports, we can abort requests before disconnect during reset
651 : * but we have historically not disconnected pcie qpairs during reset so we have to abort requests
652 : * here.
653 : */
654 1 : if (qpair->ctrlr->trid.trtype == SPDK_NVME_TRANSPORT_PCIE &&
655 0 : !qpair->is_new_qpair) {
656 0 : nvme_qpair_abort_all_queued_reqs(qpair);
657 0 : nvme_transport_qpair_abort_reqs(qpair);
658 : }
659 :
660 1 : nvme_qpair_set_state(qpair, NVME_QPAIR_ENABLED);
661 3 : while (!STAILQ_EMPTY(&qpair->queued_req)) {
662 2 : req = STAILQ_FIRST(&qpair->queued_req);
663 2 : STAILQ_REMOVE_HEAD(&qpair->queued_req, stailq);
664 2 : if (nvme_qpair_resubmit_request(qpair, req)) {
665 0 : break;
666 : }
667 : }
668 : }
669 :
670 : /*
671 : * When doing a reset, we must disconnect the qpair on the proper core.
672 : * Note, reset is the only case where we set the failure reason without
673 : * setting the qpair state since reset is done at the generic layer on the
674 : * controller thread and we can't disconnect I/O qpairs from the controller
675 : * thread.
676 : */
677 15 : if (spdk_unlikely(qpair->transport_failure_reason != SPDK_NVME_QPAIR_FAILURE_NONE &&
678 : nvme_qpair_get_state(qpair) == NVME_QPAIR_ENABLED)) {
679 : /* Don't disconnect PCIe qpairs. They are a special case for reset. */
680 0 : if (qpair->ctrlr->trid.trtype != SPDK_NVME_TRANSPORT_PCIE) {
681 0 : nvme_ctrlr_disconnect_qpair(qpair);
682 : }
683 0 : if (qpair->transport_failure_reason == SPDK_NVME_QPAIR_FAILURE_RESET) {
684 : /*
685 : * For multi-process, a synchronous reset may not reconnect
686 : * foreign IO qpairs. So we will reconnect them here instead.
687 : */
688 0 : nvme_ctrlr_reinitialize_io_qpair(qpair->ctrlr, qpair);
689 : }
690 0 : return false;
691 : }
692 :
693 15 : return nvme_qpair_get_state(qpair) == NVME_QPAIR_ENABLED;
694 : }
695 :
696 : void
697 2 : nvme_qpair_resubmit_requests(struct spdk_nvme_qpair *qpair, uint32_t num_requests)
698 : {
699 : uint32_t i;
700 : int resubmit_rc;
701 : struct nvme_request *req;
702 :
703 2 : assert(num_requests > 0);
704 :
705 2 : for (i = 0; i < num_requests; i++) {
706 2 : if (qpair->ctrlr->is_resetting) {
707 0 : break;
708 : }
709 2 : if ((req = STAILQ_FIRST(&qpair->queued_req)) == NULL) {
710 1 : break;
711 : }
712 1 : STAILQ_REMOVE_HEAD(&qpair->queued_req, stailq);
713 1 : resubmit_rc = nvme_qpair_resubmit_request(qpair, req);
714 1 : if (spdk_unlikely(resubmit_rc != 0)) {
715 1 : SPDK_DEBUGLOG(nvme, "Unable to resubmit as many requests as we completed.\n");
716 1 : break;
717 : }
718 : }
719 :
720 2 : _nvme_qpair_complete_abort_queued_reqs(qpair);
721 2 : }
722 :
723 : static void
724 1 : nvme_complete_register_operations(struct spdk_nvme_qpair *qpair)
725 : {
726 : struct nvme_register_completion *ctx, *tmp;
727 1 : struct spdk_nvme_ctrlr *ctrlr = qpair->ctrlr;
728 1 : STAILQ_HEAD(, nvme_register_completion) operations;
729 :
730 1 : STAILQ_INIT(&operations);
731 1 : nvme_ctrlr_lock(ctrlr);
732 1 : STAILQ_FOREACH_SAFE(ctx, &ctrlr->register_operations, stailq, tmp) {
733 : /* We need to make sure we complete the register operation in
734 : * the correct process.
735 : */
736 0 : if (ctx->pid != getpid()) {
737 0 : continue;
738 : }
739 0 : STAILQ_REMOVE(&ctrlr->register_operations, ctx, nvme_register_completion, stailq);
740 0 : STAILQ_INSERT_TAIL(&operations, ctx, stailq);
741 : }
742 1 : nvme_ctrlr_unlock(ctrlr);
743 :
744 1 : while (!STAILQ_EMPTY(&operations)) {
745 0 : ctx = STAILQ_FIRST(&operations);
746 0 : STAILQ_REMOVE_HEAD(&operations, stailq);
747 0 : if (ctx->cb_fn != NULL) {
748 0 : ctx->cb_fn(ctx->cb_ctx, ctx->value, &ctx->cpl);
749 : }
750 0 : spdk_free(ctx);
751 : }
752 1 : }
753 :
754 : int
755 0 : spdk_nvme_qpair_get_fd(struct spdk_nvme_qpair *qpair, struct spdk_event_handler_opts *opts)
756 : {
757 0 : struct spdk_nvme_ctrlr *ctrlr = qpair->ctrlr;
758 :
759 0 : return nvme_transport_qpair_get_fd(ctrlr, qpair, opts);
760 : }
761 :
762 : int32_t
763 10 : spdk_nvme_qpair_process_completions(struct spdk_nvme_qpair *qpair, uint32_t max_completions)
764 : {
765 : int32_t ret;
766 : struct nvme_request *req, *tmp;
767 :
768 : /* Complete any pending register operations */
769 10 : if (nvme_qpair_is_admin_queue(qpair)) {
770 1 : nvme_complete_register_operations(qpair);
771 : }
772 :
773 10 : if (spdk_unlikely(qpair->ctrlr->is_failed &&
774 : nvme_qpair_get_state(qpair) != NVME_QPAIR_DISCONNECTING)) {
775 2 : if (qpair->ctrlr->is_removed) {
776 1 : nvme_qpair_set_state(qpair, NVME_QPAIR_DESTROYING);
777 1 : nvme_qpair_abort_all_queued_reqs(qpair);
778 1 : nvme_transport_qpair_abort_reqs(qpair);
779 : }
780 2 : return -ENXIO;
781 : }
782 :
783 8 : if (spdk_unlikely(!nvme_qpair_check_enabled(qpair) &&
784 : !(nvme_qpair_get_state(qpair) == NVME_QPAIR_CONNECTING ||
785 : nvme_qpair_get_state(qpair) == NVME_QPAIR_DISCONNECTING))) {
786 : /*
787 : * qpair is not enabled, likely because a controller reset is
788 : * in progress.
789 : */
790 3 : return -ENXIO;
791 : }
792 :
793 : /* error injection for those queued error requests */
794 5 : if (spdk_unlikely(!STAILQ_EMPTY(&qpair->err_req_head))) {
795 0 : STAILQ_FOREACH_SAFE(req, &qpair->err_req_head, stailq, tmp) {
796 0 : if (req->pid == getpid() &&
797 0 : spdk_get_ticks() - req->submit_tick > req->timeout_tsc) {
798 0 : STAILQ_REMOVE(&qpair->err_req_head, req, nvme_request, stailq);
799 0 : nvme_qpair_manual_complete_request(qpair, req,
800 0 : req->cpl.status.sct,
801 0 : req->cpl.status.sc, qpair->abort_dnr, true);
802 : }
803 : }
804 : }
805 :
806 5 : qpair->in_completion_context = 1;
807 5 : ret = nvme_transport_qpair_process_completions(qpair, max_completions);
808 5 : if (ret < 0) {
809 2 : if (ret == -ENXIO && nvme_qpair_get_state(qpair) == NVME_QPAIR_DISCONNECTING) {
810 0 : ret = 0;
811 : } else {
812 2 : NVME_CTRLR_ERRLOG(qpair->ctrlr, "CQ transport error %d (%s) on qpair id %hu\n",
813 : ret, spdk_strerror(-ret), qpair->id);
814 2 : if (nvme_qpair_is_admin_queue(qpair)) {
815 1 : nvme_ctrlr_fail(qpair->ctrlr, false);
816 : }
817 : }
818 : }
819 5 : qpair->in_completion_context = 0;
820 5 : if (qpair->delete_after_completion_context) {
821 : /*
822 : * A request to delete this qpair was made in the context of this completion
823 : * routine - so it is safe to delete it now.
824 : */
825 0 : spdk_nvme_ctrlr_free_io_qpair(qpair);
826 0 : return ret;
827 : }
828 :
829 : /*
830 : * At this point, ret must represent the number of completions we reaped.
831 : * submit as many queued requests as we completed.
832 : */
833 5 : if (ret > 0) {
834 2 : nvme_qpair_resubmit_requests(qpair, ret);
835 : } else {
836 3 : _nvme_qpair_complete_abort_queued_reqs(qpair);
837 : }
838 :
839 5 : return ret;
840 : }
841 :
842 : spdk_nvme_qp_failure_reason
843 0 : spdk_nvme_qpair_get_failure_reason(struct spdk_nvme_qpair *qpair)
844 : {
845 0 : return qpair->transport_failure_reason;
846 : }
847 :
848 : void
849 0 : spdk_nvme_qpair_set_abort_dnr(struct spdk_nvme_qpair *qpair, bool dnr)
850 : {
851 0 : qpair->abort_dnr = dnr ? 1 : 0;
852 0 : }
853 :
854 : bool
855 0 : spdk_nvme_qpair_is_connected(struct spdk_nvme_qpair *qpair)
856 : {
857 0 : return nvme_qpair_get_state(qpair) >= NVME_QPAIR_CONNECTED &&
858 0 : nvme_qpair_get_state(qpair) <= NVME_QPAIR_ENABLED;
859 : }
860 :
861 : int
862 8 : nvme_qpair_init(struct spdk_nvme_qpair *qpair, uint16_t id,
863 : struct spdk_nvme_ctrlr *ctrlr,
864 : enum spdk_nvme_qprio qprio,
865 : uint32_t num_requests, bool async)
866 : {
867 : struct nvme_request *req;
868 : size_t req_size_padded;
869 : uint32_t i;
870 :
871 8 : qpair->id = id;
872 8 : qpair->qprio = qprio;
873 :
874 8 : qpair->in_completion_context = 0;
875 8 : qpair->delete_after_completion_context = 0;
876 8 : qpair->no_deletion_notification_needed = 0;
877 :
878 8 : qpair->ctrlr = ctrlr;
879 8 : qpair->trtype = ctrlr->trid.trtype;
880 8 : qpair->is_new_qpair = true;
881 8 : qpair->async = async;
882 8 : qpair->poll_status = NULL;
883 8 : qpair->num_outstanding_reqs = 0;
884 :
885 8 : STAILQ_INIT(&qpair->free_req);
886 8 : STAILQ_INIT(&qpair->queued_req);
887 8 : STAILQ_INIT(&qpair->aborting_queued_req);
888 8 : TAILQ_INIT(&qpair->err_cmd_head);
889 8 : STAILQ_INIT(&qpair->err_req_head);
890 :
891 8 : req_size_padded = (sizeof(struct nvme_request) + 63) & ~(size_t)63;
892 :
893 : /* Add one for the reserved_req */
894 8 : num_requests++;
895 :
896 8 : qpair->req_buf = spdk_zmalloc(req_size_padded * num_requests, 64, NULL,
897 : SPDK_ENV_NUMA_ID_ANY, SPDK_MALLOC_SHARE);
898 8 : if (qpair->req_buf == NULL) {
899 0 : SPDK_ERRLOG("no memory to allocate qpair(cntlid:0x%x sqid:%d) req_buf with %d request\n",
900 : ctrlr->cntlid, qpair->id, num_requests);
901 0 : return -ENOMEM;
902 : }
903 :
904 243 : for (i = 0; i < num_requests; i++) {
905 235 : req = (void *)((uintptr_t)qpair->req_buf + i * req_size_padded);
906 :
907 235 : req->qpair = qpair;
908 235 : if (i == 0) {
909 8 : qpair->reserved_req = req;
910 : } else {
911 227 : STAILQ_INSERT_HEAD(&qpair->free_req, req, stailq);
912 : }
913 : }
914 :
915 8 : return 0;
916 : }
917 :
918 : void
919 2 : nvme_qpair_complete_error_reqs(struct spdk_nvme_qpair *qpair)
920 : {
921 : struct nvme_request *req;
922 :
923 3 : while (!STAILQ_EMPTY(&qpair->err_req_head)) {
924 1 : req = STAILQ_FIRST(&qpair->err_req_head);
925 1 : assert(req->pid == getpid());
926 1 : STAILQ_REMOVE_HEAD(&qpair->err_req_head, stailq);
927 1 : nvme_qpair_manual_complete_request(qpair, req,
928 1 : req->cpl.status.sct,
929 1 : req->cpl.status.sc, qpair->abort_dnr, true);
930 : }
931 2 : }
932 :
933 : void
934 1 : nvme_qpair_deinit(struct spdk_nvme_qpair *qpair)
935 : {
936 : struct nvme_error_cmd *cmd, *entry;
937 :
938 1 : nvme_qpair_abort_queued_reqs(qpair);
939 1 : _nvme_qpair_complete_abort_queued_reqs(qpair);
940 1 : nvme_qpair_complete_error_reqs(qpair);
941 :
942 2 : TAILQ_FOREACH_SAFE(cmd, &qpair->err_cmd_head, link, entry) {
943 1 : TAILQ_REMOVE(&qpair->err_cmd_head, cmd, link);
944 1 : spdk_free(cmd);
945 : }
946 :
947 1 : spdk_free(qpair->req_buf);
948 1 : }
949 :
950 : static inline int
951 7 : _nvme_qpair_submit_request(struct spdk_nvme_qpair *qpair, struct nvme_request *req)
952 : {
953 7 : int rc = 0;
954 : struct nvme_request *child_req, *tmp;
955 : struct nvme_error_cmd *cmd;
956 7 : struct spdk_nvme_ctrlr *ctrlr = qpair->ctrlr;
957 7 : bool child_req_failed = false;
958 :
959 7 : nvme_qpair_check_enabled(qpair);
960 :
961 7 : if (spdk_unlikely(nvme_qpair_get_state(qpair) == NVME_QPAIR_DISCONNECTED ||
962 : nvme_qpair_get_state(qpair) == NVME_QPAIR_DISCONNECTING ||
963 : nvme_qpair_get_state(qpair) == NVME_QPAIR_DESTROYING)) {
964 9 : TAILQ_FOREACH_SAFE(child_req, &req->children, child_tailq, tmp) {
965 6 : nvme_request_remove_child(req, child_req);
966 6 : nvme_request_free_children(child_req);
967 6 : nvme_free_request(child_req);
968 : }
969 :
970 3 : rc = -ENXIO;
971 3 : goto error;
972 : }
973 :
974 4 : if (req->num_children) {
975 : /*
976 : * This is a split (parent) request. Submit all of the children but not the parent
977 : * request itself, since the parent is the original unsplit request.
978 : */
979 0 : TAILQ_FOREACH_SAFE(child_req, &req->children, child_tailq, tmp) {
980 0 : if (spdk_likely(!child_req_failed)) {
981 0 : rc = nvme_qpair_submit_request(qpair, child_req);
982 0 : if (spdk_unlikely(rc != 0)) {
983 0 : child_req_failed = true;
984 : }
985 : } else { /* free remaining child_reqs since one child_req fails */
986 0 : nvme_request_remove_child(req, child_req);
987 0 : nvme_request_free_children(child_req);
988 0 : nvme_free_request(child_req);
989 : }
990 : }
991 :
992 0 : if (spdk_unlikely(child_req_failed)) {
993 : /* part of children requests have been submitted,
994 : * return success since we must wait for those children to complete,
995 : * but set the parent request to failure.
996 : */
997 0 : if (req->num_children) {
998 0 : req->cpl.status.sct = SPDK_NVME_SCT_GENERIC;
999 0 : req->cpl.status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
1000 0 : return 0;
1001 : }
1002 0 : goto error;
1003 : }
1004 :
1005 0 : return rc;
1006 : }
1007 :
1008 : /* queue those requests which matches with opcode in err_cmd list */
1009 4 : if (spdk_unlikely(!TAILQ_EMPTY(&qpair->err_cmd_head))) {
1010 0 : TAILQ_FOREACH(cmd, &qpair->err_cmd_head, link) {
1011 0 : if (!cmd->do_not_submit) {
1012 0 : continue;
1013 : }
1014 :
1015 0 : if ((cmd->opc == req->cmd.opc) && cmd->err_count) {
1016 : /* add to error request list and set cpl */
1017 0 : req->timeout_tsc = cmd->timeout_tsc;
1018 0 : req->submit_tick = spdk_get_ticks();
1019 0 : req->cpl.status.sct = cmd->status.sct;
1020 0 : req->cpl.status.sc = cmd->status.sc;
1021 0 : STAILQ_INSERT_TAIL(&qpair->err_req_head, req, stailq);
1022 0 : cmd->err_count--;
1023 0 : return 0;
1024 : }
1025 : }
1026 : }
1027 :
1028 4 : if (spdk_unlikely(ctrlr->is_failed)) {
1029 0 : rc = -ENXIO;
1030 0 : goto error;
1031 : }
1032 :
1033 : /* assign submit_tick before submitting req to specific transport */
1034 4 : if (spdk_unlikely(ctrlr->timeout_enabled)) {
1035 0 : if (req->submit_tick == 0) { /* req submitted for the first time */
1036 0 : req->submit_tick = spdk_get_ticks();
1037 0 : req->timed_out = false;
1038 : }
1039 : } else {
1040 4 : req->submit_tick = 0;
1041 : }
1042 :
1043 : /* Allow two cases:
1044 : * 1. NVMe qpair is enabled.
1045 : * 2. Always allow fabrics commands through - these get
1046 : * the controller out of reset state.
1047 : */
1048 4 : if (spdk_likely(nvme_qpair_get_state(qpair) == NVME_QPAIR_ENABLED) ||
1049 0 : (req->cmd.opc == SPDK_NVME_OPC_FABRIC &&
1050 0 : nvme_qpair_get_state(qpair) == NVME_QPAIR_CONNECTING)) {
1051 4 : rc = nvme_transport_qpair_submit_request(qpair, req);
1052 : } else {
1053 : /* The controller is being reset - queue this request and
1054 : * submit it later when the reset is completed.
1055 : */
1056 0 : return -EAGAIN;
1057 : }
1058 :
1059 4 : if (spdk_likely(rc == 0)) {
1060 3 : if (SPDK_DEBUGLOG_FLAG_ENABLED("nvme")) {
1061 0 : spdk_nvme_print_command(qpair->id, &req->cmd);
1062 : }
1063 3 : req->queued = false;
1064 3 : return 0;
1065 : }
1066 :
1067 1 : if (rc == -EAGAIN) {
1068 0 : return -EAGAIN;
1069 : }
1070 :
1071 1 : error:
1072 4 : if (req->parent != NULL) {
1073 0 : nvme_request_remove_child(req->parent, req);
1074 : }
1075 :
1076 : /* The request is from queued_req list we should trigger the callback from caller */
1077 4 : if (spdk_unlikely(req->queued)) {
1078 1 : if (rc == -ENXIO) {
1079 0 : nvme_qpair_manual_complete_request(qpair, req, SPDK_NVME_SCT_GENERIC,
1080 : SPDK_NVME_SC_ABORTED_SQ_DELETION,
1081 0 : qpair->abort_dnr, true);
1082 : } else {
1083 1 : nvme_qpair_manual_complete_request(qpair, req, SPDK_NVME_SCT_GENERIC,
1084 : SPDK_NVME_SC_INTERNAL_DEVICE_ERROR,
1085 : true, true);
1086 : }
1087 1 : return rc;
1088 : }
1089 :
1090 3 : nvme_cleanup_user_req(req);
1091 3 : nvme_free_request(req);
1092 :
1093 3 : return rc;
1094 : }
1095 :
1096 : int
1097 4 : nvme_qpair_submit_request(struct spdk_nvme_qpair *qpair, struct nvme_request *req)
1098 : {
1099 : int rc;
1100 :
1101 4 : if (spdk_unlikely(!STAILQ_EMPTY(&qpair->queued_req) && req->num_children == 0)) {
1102 : /*
1103 : * Requests that have no children should be sent to the transport after all
1104 : * currently queued requests. Requests with children will be split and go back
1105 : * through this path. We need to make an exception for the fabrics commands
1106 : * while the qpair is connecting to be able to send the connect command
1107 : * asynchronously.
1108 : */
1109 0 : if (req->cmd.opc != SPDK_NVME_OPC_FABRIC ||
1110 0 : nvme_qpair_get_state(qpair) != NVME_QPAIR_CONNECTING) {
1111 0 : STAILQ_INSERT_TAIL(&qpair->queued_req, req, stailq);
1112 0 : req->queued = true;
1113 0 : return 0;
1114 : }
1115 : }
1116 :
1117 4 : rc = _nvme_qpair_submit_request(qpair, req);
1118 4 : if (rc == -EAGAIN) {
1119 0 : STAILQ_INSERT_TAIL(&qpair->queued_req, req, stailq);
1120 0 : req->queued = true;
1121 0 : rc = 0;
1122 : }
1123 :
1124 4 : return rc;
1125 : }
1126 :
1127 : static int
1128 3 : nvme_qpair_resubmit_request(struct spdk_nvme_qpair *qpair, struct nvme_request *req)
1129 : {
1130 : int rc;
1131 :
1132 : /*
1133 : * We should never have a request with children on the queue.
1134 : * This is necessary to preserve the 1:1 relationship between
1135 : * completions and resubmissions.
1136 : */
1137 3 : assert(req->num_children == 0);
1138 3 : assert(req->queued);
1139 3 : rc = _nvme_qpair_submit_request(qpair, req);
1140 3 : if (spdk_unlikely(rc == -EAGAIN)) {
1141 0 : STAILQ_INSERT_HEAD(&qpair->queued_req, req, stailq);
1142 : }
1143 :
1144 3 : return rc;
1145 : }
1146 :
1147 : void
1148 1 : nvme_qpair_abort_all_queued_reqs(struct spdk_nvme_qpair *qpair)
1149 : {
1150 1 : nvme_qpair_complete_error_reqs(qpair);
1151 1 : nvme_qpair_abort_queued_reqs(qpair);
1152 1 : _nvme_qpair_complete_abort_queued_reqs(qpair);
1153 1 : if (nvme_qpair_is_admin_queue(qpair)) {
1154 0 : nvme_ctrlr_abort_queued_aborts(qpair->ctrlr);
1155 : }
1156 1 : }
1157 :
1158 : int
1159 4 : spdk_nvme_qpair_add_cmd_error_injection(struct spdk_nvme_ctrlr *ctrlr,
1160 : struct spdk_nvme_qpair *qpair,
1161 : uint8_t opc, bool do_not_submit,
1162 : uint64_t timeout_in_us,
1163 : uint32_t err_count,
1164 : uint8_t sct, uint8_t sc)
1165 : {
1166 4 : struct nvme_error_cmd *entry, *cmd = NULL;
1167 4 : int rc = 0;
1168 :
1169 4 : if (qpair == NULL) {
1170 1 : qpair = ctrlr->adminq;
1171 1 : nvme_ctrlr_lock(ctrlr);
1172 : }
1173 :
1174 4 : TAILQ_FOREACH(entry, &qpair->err_cmd_head, link) {
1175 1 : if (entry->opc == opc) {
1176 1 : cmd = entry;
1177 1 : break;
1178 : }
1179 : }
1180 :
1181 4 : if (cmd == NULL) {
1182 3 : cmd = spdk_zmalloc(sizeof(*cmd), 64, NULL, SPDK_ENV_LCORE_ID_ANY, SPDK_MALLOC_DMA);
1183 3 : if (!cmd) {
1184 0 : rc = -ENOMEM;
1185 0 : goto out;
1186 : }
1187 3 : TAILQ_INSERT_TAIL(&qpair->err_cmd_head, cmd, link);
1188 : }
1189 :
1190 4 : cmd->do_not_submit = do_not_submit;
1191 4 : cmd->err_count = err_count;
1192 4 : cmd->timeout_tsc = timeout_in_us * spdk_get_ticks_hz() / 1000000ULL;
1193 4 : cmd->opc = opc;
1194 4 : cmd->status.sct = sct;
1195 4 : cmd->status.sc = sc;
1196 4 : out:
1197 4 : if (nvme_qpair_is_admin_queue(qpair)) {
1198 0 : nvme_ctrlr_unlock(ctrlr);
1199 : }
1200 :
1201 4 : return rc;
1202 : }
1203 :
1204 : void
1205 3 : spdk_nvme_qpair_remove_cmd_error_injection(struct spdk_nvme_ctrlr *ctrlr,
1206 : struct spdk_nvme_qpair *qpair,
1207 : uint8_t opc)
1208 : {
1209 : struct nvme_error_cmd *cmd, *entry;
1210 :
1211 3 : if (qpair == NULL) {
1212 1 : qpair = ctrlr->adminq;
1213 1 : nvme_ctrlr_lock(ctrlr);
1214 : }
1215 :
1216 3 : TAILQ_FOREACH_SAFE(cmd, &qpair->err_cmd_head, link, entry) {
1217 3 : if (cmd->opc == opc) {
1218 3 : TAILQ_REMOVE(&qpair->err_cmd_head, cmd, link);
1219 3 : spdk_free(cmd);
1220 3 : break;
1221 : }
1222 : }
1223 :
1224 3 : if (nvme_qpair_is_admin_queue(qpair)) {
1225 0 : nvme_ctrlr_unlock(ctrlr);
1226 : }
1227 3 : }
1228 :
1229 : uint16_t
1230 0 : spdk_nvme_qpair_get_id(struct spdk_nvme_qpair *qpair)
1231 : {
1232 0 : return qpair->id;
1233 : }
1234 :
1235 : uint32_t
1236 0 : spdk_nvme_qpair_get_num_outstanding_reqs(struct spdk_nvme_qpair *qpair)
1237 : {
1238 0 : return qpair->num_outstanding_reqs;
1239 : }
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