Line data Source code
1 : /* SPDX-License-Identifier: BSD-3-Clause
2 : * Copyright (C) 2015 Intel Corporation. All rights reserved.
3 : * Copyright (c) 2024 Samsung Electronics Co., Ltd. All rights reserved.
4 : */
5 :
6 : /**
7 : * \file
8 : * NVMe specification definitions
9 : */
10 :
11 : #ifndef SPDK_NVME_SPEC_H
12 : #define SPDK_NVME_SPEC_H
13 :
14 : #include "spdk/stdinc.h"
15 :
16 : #ifdef __cplusplus
17 : extern "C" {
18 : #endif
19 :
20 : #include "spdk/assert.h"
21 :
22 : /**
23 : * Use to mark a command to apply to all namespaces, or to retrieve global
24 : * log pages.
25 : */
26 : #define SPDK_NVME_GLOBAL_NS_TAG ((uint32_t)0xFFFFFFFF)
27 :
28 : #define SPDK_NVME_MAX_IO_QUEUES (65535)
29 :
30 : #define SPDK_NVME_QUEUE_MIN_ENTRIES (2)
31 :
32 : #define SPDK_NVME_ADMIN_QUEUE_MIN_ENTRIES SPDK_NVME_QUEUE_MIN_ENTRIES
33 : #define SPDK_NVME_ADMIN_QUEUE_MAX_ENTRIES 4096
34 :
35 : /* Controllers with quirk NVME_QUIRK_MINIMUM_ADMIN_QUEUE_SIZE must have
36 : * admin queue size entries that are an even multiple of this number.
37 : */
38 : #define SPDK_NVME_ADMIN_QUEUE_QUIRK_ENTRIES_MULTIPLE 64
39 :
40 : #define SPDK_NVME_IO_QUEUE_MIN_ENTRIES SPDK_NVME_QUEUE_MIN_ENTRIES
41 : #define SPDK_NVME_IO_QUEUE_MAX_ENTRIES 65536
42 :
43 : /**
44 : * Indicates the maximum number of range sets that may be specified
45 : * in the dataset management command.
46 : */
47 : #define SPDK_NVME_DATASET_MANAGEMENT_MAX_RANGES 256
48 :
49 : /**
50 : * Maximum number of blocks that may be specified in a single dataset management range.
51 : */
52 : #define SPDK_NVME_DATASET_MANAGEMENT_RANGE_MAX_BLOCKS 0xFFFFFFFFu
53 :
54 : /**
55 : * Maximum number of entries in the log page of Changed Namespace List.
56 : */
57 : #define SPDK_NVME_MAX_CHANGED_NAMESPACES 1024
58 :
59 : #define SPDK_NVME_DOORBELL_REGISTER_SIZE 4
60 :
61 : union spdk_nvme_cap_register {
62 : uint64_t raw;
63 : struct {
64 : /** maximum queue entries supported */
65 : uint32_t mqes : 16;
66 :
67 : /** contiguous queues required */
68 : uint32_t cqr : 1;
69 :
70 : /** arbitration mechanism supported */
71 : uint32_t ams : 2;
72 :
73 : uint32_t reserved1 : 5;
74 :
75 : /** timeout */
76 : uint32_t to : 8;
77 :
78 : /** doorbell stride */
79 : uint32_t dstrd : 4;
80 :
81 : /** NVM subsystem reset supported */
82 : uint32_t nssrs : 1;
83 :
84 : /** command sets supported */
85 : uint32_t css : 8;
86 :
87 : /** boot partition support */
88 : uint32_t bps : 1;
89 :
90 : uint32_t reserved2 : 2;
91 :
92 : /** memory page size minimum */
93 : uint32_t mpsmin : 4;
94 :
95 : /** memory page size maximum */
96 : uint32_t mpsmax : 4;
97 :
98 : /** persistent memory region supported */
99 : uint32_t pmrs : 1;
100 :
101 : /** controller memory buffer supported */
102 : uint32_t cmbs : 1;
103 :
104 : uint32_t reserved3 : 6;
105 : } bits;
106 : };
107 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cap_register) == 8, "Incorrect size");
108 :
109 : /**
110 : * I/O Command Set Selected
111 : *
112 : * Only a single command set is defined as of NVMe 1.3 (NVM). Later, it became
113 : * possible to disable I/O Command Sets, that is, configuring it to only use the
114 : * Admin Command Set. With 1.4c and Namespace Types, additional I/O Command Sets
115 : * are available.
116 : */
117 : enum spdk_nvme_cc_css {
118 : SPDK_NVME_CC_CSS_NVM = 0x0, /**< NVM command set */
119 : SPDK_NVME_CC_CSS_IOCS = 0x6, /**< One or more I/O command sets */
120 : SPDK_NVME_CC_CSS_NOIO = 0x7, /**< No I/O, only admin */
121 : };
122 :
123 : #define SPDK_NVME_CAP_CSS_NVM (1u << SPDK_NVME_CC_CSS_NVM) /**< NVM command set supported */
124 : #define SPDK_NVME_CAP_CSS_IOCS (1u << SPDK_NVME_CC_CSS_IOCS) /**< One or more I/O Command sets supported */
125 : #define SPDK_NVME_CAP_CSS_NOIO (1u << SPDK_NVME_CC_CSS_NOIO) /**< No I/O, only admin */
126 :
127 : union spdk_nvme_cc_register {
128 : uint32_t raw;
129 : struct {
130 : /** enable */
131 : uint32_t en : 1;
132 :
133 : uint32_t reserved1 : 3;
134 :
135 : /** i/o command set selected */
136 : uint32_t css : 3;
137 :
138 : /** memory page size */
139 : uint32_t mps : 4;
140 :
141 : /** arbitration mechanism selected */
142 : uint32_t ams : 3;
143 :
144 : /** shutdown notification */
145 : uint32_t shn : 2;
146 :
147 : /** i/o submission queue entry size */
148 : uint32_t iosqes : 4;
149 :
150 : /** i/o completion queue entry size */
151 : uint32_t iocqes : 4;
152 :
153 : uint32_t reserved2 : 8;
154 : } bits;
155 : };
156 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cc_register) == 4, "Incorrect size");
157 :
158 : enum spdk_nvme_shn_value {
159 : SPDK_NVME_SHN_NORMAL = 0x1,
160 : SPDK_NVME_SHN_ABRUPT = 0x2,
161 : };
162 :
163 : union spdk_nvme_csts_register {
164 : uint32_t raw;
165 : struct {
166 : /** ready */
167 : uint32_t rdy : 1;
168 :
169 : /** controller fatal status */
170 : uint32_t cfs : 1;
171 :
172 : /** shutdown status */
173 : uint32_t shst : 2;
174 :
175 : /** NVM subsystem reset occurred */
176 : uint32_t nssro : 1;
177 :
178 : /** Processing paused */
179 : uint32_t pp : 1;
180 :
181 : uint32_t reserved1 : 26;
182 : } bits;
183 : };
184 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_csts_register) == 4, "Incorrect size");
185 :
186 : enum spdk_nvme_shst_value {
187 : SPDK_NVME_SHST_NORMAL = 0x0,
188 : SPDK_NVME_SHST_OCCURRING = 0x1,
189 : SPDK_NVME_SHST_COMPLETE = 0x2,
190 : };
191 :
192 : union spdk_nvme_aqa_register {
193 : uint32_t raw;
194 : struct {
195 : /** admin submission queue size */
196 : uint32_t asqs : 12;
197 :
198 : uint32_t reserved1 : 4;
199 :
200 : /** admin completion queue size */
201 : uint32_t acqs : 12;
202 :
203 : uint32_t reserved2 : 4;
204 : } bits;
205 : };
206 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_aqa_register) == 4, "Incorrect size");
207 :
208 : union spdk_nvme_vs_register {
209 : uint32_t raw;
210 : struct {
211 : /** indicates the tertiary version */
212 : uint32_t ter : 8;
213 : /** indicates the minor version */
214 : uint32_t mnr : 8;
215 : /** indicates the major version */
216 : uint32_t mjr : 16;
217 : } bits;
218 : };
219 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_vs_register) == 4, "Incorrect size");
220 :
221 : /** Generate raw version in the same format as \ref spdk_nvme_vs_register for comparison. */
222 : #define SPDK_NVME_VERSION(mjr, mnr, ter) \
223 : (((uint32_t)(mjr) << 16) | \
224 : ((uint32_t)(mnr) << 8) | \
225 : (uint32_t)(ter))
226 :
227 : /* Test that the shifts are correct */
228 : SPDK_STATIC_ASSERT(SPDK_NVME_VERSION(1, 0, 0) == 0x00010000, "version macro error");
229 : SPDK_STATIC_ASSERT(SPDK_NVME_VERSION(1, 2, 1) == 0x00010201, "version macro error");
230 :
231 : union spdk_nvme_cmbloc_register {
232 : uint32_t raw;
233 : struct {
234 : /** indicator of BAR which contains controller memory buffer(CMB) */
235 : uint32_t bir : 3;
236 : uint32_t reserved1 : 9;
237 : /** offset of CMB in multiples of the size unit */
238 : uint32_t ofst : 20;
239 : } bits;
240 : };
241 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmbloc_register) == 4, "Incorrect size");
242 :
243 : union spdk_nvme_cmbsz_register {
244 : uint32_t raw;
245 : struct {
246 : /** support submission queues in CMB */
247 : uint32_t sqs : 1;
248 : /** support completion queues in CMB */
249 : uint32_t cqs : 1;
250 : /** support PRP and SGLs lists in CMB */
251 : uint32_t lists : 1;
252 : /** support read data and metadata in CMB */
253 : uint32_t rds : 1;
254 : /** support write data and metadata in CMB */
255 : uint32_t wds : 1;
256 : uint32_t reserved1 : 3;
257 : /** indicates the granularity of the size unit */
258 : uint32_t szu : 4;
259 : /** size of CMB in multiples of the size unit */
260 : uint32_t sz : 20;
261 : } bits;
262 : };
263 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmbsz_register) == 4, "Incorrect size");
264 :
265 : union spdk_nvme_cmbmsc_register {
266 : uint64_t raw;
267 : struct {
268 : /** capability registers enabled */
269 : uint64_t cre : 1;
270 :
271 : /** controller memory space enable */
272 : uint64_t cmse : 1;
273 :
274 : uint64_t reserved : 10;
275 :
276 : /** controller base address */
277 : uint64_t cba : 52;
278 : } bits;
279 :
280 : };
281 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmbmsc_register) == 8, "Incorrect size");
282 :
283 : union spdk_nvme_cmbsts_register {
284 : uint32_t raw;
285 : struct {
286 : /** controller base address invalid */
287 : uint32_t cbai : 1;
288 :
289 : uint32_t reserved : 31;
290 : } bits;
291 : };
292 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmbsts_register) == 4, "Incorrect size");
293 :
294 : union spdk_nvme_pmrcap_register {
295 : uint32_t raw;
296 : struct {
297 : uint32_t reserved1 : 3;
298 :
299 : /** read data support */
300 : uint32_t rds : 1;
301 :
302 : /** write data support */
303 : uint32_t wds : 1;
304 :
305 : /** base indicator register */
306 : uint32_t bir : 3;
307 :
308 : /**
309 : * persistent memory region time units
310 : * 00b: 500 milliseconds
311 : * 01b: minutes
312 : */
313 : uint32_t pmrtu : 2;
314 :
315 : /** persistent memory region write barrier mechanisms */
316 : uint32_t pmrwbm : 4;
317 :
318 : uint32_t reserved2 : 2;
319 :
320 : /** persistent memory region timeout */
321 : uint32_t pmrto : 8;
322 :
323 : /** controller memory space supported */
324 : uint32_t cmss : 1;
325 :
326 : uint32_t reserved3 : 7;
327 : } bits;
328 : };
329 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_pmrcap_register) == 4, "Incorrect size");
330 :
331 : union spdk_nvme_pmrctl_register {
332 : uint32_t raw;
333 : struct {
334 : /** enable */
335 : uint32_t en : 1;
336 :
337 : uint32_t reserved : 31;
338 : } bits;
339 : };
340 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_pmrctl_register) == 4, "Incorrect size");
341 :
342 : union spdk_nvme_pmrsts_register {
343 : uint32_t raw;
344 : struct {
345 : /** err */
346 : uint32_t err : 8;
347 :
348 : /** not ready */
349 : uint32_t nrdy : 1;
350 :
351 : /**
352 : * health status
353 : * 000b: Normal Operation
354 : * 001b: Restore Error
355 : * 010b: Read Only
356 : * 011b: Unreliable
357 : */
358 : uint32_t hsts : 3;
359 :
360 : /** controller base address invalid */
361 : uint32_t cbai : 1;
362 :
363 : uint32_t reserved : 19;
364 : } bits;
365 : };
366 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_pmrsts_register) == 4, "Incorrect size");
367 :
368 : union spdk_nvme_pmrebs_register {
369 : uint32_t raw;
370 : struct {
371 : /**
372 : * pmr elasticity buffer size units
373 : * 0h: Bytes
374 : * 1h: 1 KiB
375 : * 2h: 1 MiB
376 : * 3h: 1 GiB
377 : */
378 : uint32_t pmrszu : 4;
379 :
380 : /** read bypass behavior */
381 : uint32_t rbb : 1;
382 :
383 : uint32_t reserved : 3;
384 :
385 : /** pmr elasticity buffer size base */
386 : uint32_t pmrwbz : 24;
387 : } bits;
388 : };
389 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_pmrebs_register) == 4, "Incorrect size");
390 :
391 : union spdk_nvme_pmrswtp_register {
392 : uint32_t raw;
393 : struct {
394 : /**
395 : * pmr sustained write throughput units
396 : * 0h: Bytes per second
397 : * 1h: 1 KiB / s
398 : * 2h: 1 MiB / s
399 : * 3h: 1 GiB / s
400 : */
401 : uint32_t pmrswtu : 4;
402 :
403 : uint32_t reserved : 4;
404 :
405 : /** pmr sustained write throughput */
406 : uint32_t pmrswtv : 24;
407 : } bits;
408 : };
409 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_pmrswtp_register) == 4, "Incorrect size");
410 :
411 : union spdk_nvme_pmrmscl_register {
412 : uint32_t raw;
413 : struct {
414 : uint32_t reserved1 : 1;
415 :
416 : /** controller memory space enable */
417 : uint32_t cmse : 1;
418 :
419 : uint32_t reserved2 : 10;
420 :
421 : /** controller base address */
422 : uint32_t cba : 20;
423 : } bits;
424 : };
425 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_pmrmscl_register) == 4, "Incorrect size");
426 :
427 : /** Boot partition information */
428 : union spdk_nvme_bpinfo_register {
429 : uint32_t raw;
430 : struct {
431 : /** Boot partition size in 128KB multiples */
432 : uint32_t bpsz : 15;
433 :
434 : uint32_t reserved1 : 9;
435 :
436 : /**
437 : * Boot read status
438 : * 00b: No Boot Partition read operation requested
439 : * 01b: Boot Partition read in progress
440 : * 10b: Boot Partition read completed successfully
441 : * 11b: Error completing Boot Partition read
442 : */
443 : uint32_t brs : 2;
444 :
445 : uint32_t reserved2 : 5;
446 :
447 : /** Active Boot Partition ID */
448 : uint32_t abpid : 1;
449 : } bits;
450 : };
451 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_bpinfo_register) == 4, "Incorrect size");
452 :
453 : /** Boot read status values */
454 : enum spdk_nvme_brs_value {
455 : SPDK_NVME_BRS_NO_READ = 0x0,
456 : SPDK_NVME_BRS_READ_IN_PROGRESS = 0x1,
457 : SPDK_NVME_BRS_READ_SUCCESS = 0x2,
458 : SPDK_NVME_BRS_READ_ERROR = 0x3,
459 : };
460 :
461 : /** Boot partition read select */
462 : union spdk_nvme_bprsel_register {
463 : uint32_t raw;
464 : struct {
465 : /** Boot partition read size in multiples of 4KB */
466 : uint32_t bprsz : 10;
467 :
468 : /** Boot partition read offset in multiples of 4KB */
469 : uint32_t bprof : 20;
470 :
471 : uint32_t reserved : 1;
472 :
473 : /** Boot Partition Identifier */
474 : uint32_t bpid : 1;
475 : } bits;
476 : };
477 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_bprsel_register) == 4, "Incorrect size");
478 :
479 : /** Value to write to NSSR to indicate a NVM subsystem reset ("NVMe") */
480 : #define SPDK_NVME_NSSR_VALUE 0x4E564D65
481 :
482 : struct spdk_nvme_registers {
483 : /** controller capabilities */
484 : union spdk_nvme_cap_register cap;
485 :
486 : /** version of NVMe specification */
487 : union spdk_nvme_vs_register vs;
488 : uint32_t intms; /* interrupt mask set */
489 : uint32_t intmc; /* interrupt mask clear */
490 :
491 : /** controller configuration */
492 : union spdk_nvme_cc_register cc;
493 :
494 : uint32_t reserved1;
495 : union spdk_nvme_csts_register csts; /* controller status */
496 : uint32_t nssr; /* NVM subsystem reset */
497 :
498 : /** admin queue attributes */
499 : union spdk_nvme_aqa_register aqa;
500 :
501 : uint64_t asq; /* admin submission queue base addr */
502 : uint64_t acq; /* admin completion queue base addr */
503 : /** controller memory buffer location */
504 : union spdk_nvme_cmbloc_register cmbloc;
505 : /** controller memory buffer size */
506 : union spdk_nvme_cmbsz_register cmbsz;
507 :
508 : /** boot partition information */
509 : union spdk_nvme_bpinfo_register bpinfo;
510 :
511 : /** boot partition read select */
512 : union spdk_nvme_bprsel_register bprsel;
513 :
514 : /** boot partition memory buffer location (must be 4KB aligned) */
515 : uint64_t bpmbl;
516 :
517 : /** controller memory buffer memory space control */
518 : union spdk_nvme_cmbmsc_register cmbmsc;
519 :
520 : /** controller memory buffer status */
521 : union spdk_nvme_cmbsts_register cmbsts;
522 :
523 : uint32_t reserved2[0x369];
524 :
525 : /** persistent memory region capabilities */
526 : union spdk_nvme_pmrcap_register pmrcap;
527 :
528 : /** persistent memory region control */
529 : union spdk_nvme_pmrctl_register pmrctl;
530 :
531 : /** persistent memory region status */
532 : union spdk_nvme_pmrsts_register pmrsts;
533 :
534 : /** persistent memory region elasticity buffer size */
535 : union spdk_nvme_pmrebs_register pmrebs;
536 :
537 : /** persistent memory region sustained write throughput */
538 : union spdk_nvme_pmrswtp_register pmrswtp;
539 :
540 : /** persistent memory region memory space control lower */
541 : union spdk_nvme_pmrmscl_register pmrmscl;
542 :
543 : uint32_t pmrmscu; /* persistent memory region memory space control upper */
544 :
545 : uint32_t reserved3[0x79];
546 :
547 : struct {
548 : uint32_t sq_tdbl; /* submission queue tail doorbell */
549 : uint32_t cq_hdbl; /* completion queue head doorbell */
550 : } doorbell[1];
551 : };
552 :
553 : /* NVMe controller register space offsets */
554 : SPDK_STATIC_ASSERT(0x00 == offsetof(struct spdk_nvme_registers, cap),
555 : "Incorrect register offset");
556 : SPDK_STATIC_ASSERT(0x08 == offsetof(struct spdk_nvme_registers, vs), "Incorrect register offset");
557 : SPDK_STATIC_ASSERT(0x0C == offsetof(struct spdk_nvme_registers, intms),
558 : "Incorrect register offset");
559 : SPDK_STATIC_ASSERT(0x10 == offsetof(struct spdk_nvme_registers, intmc),
560 : "Incorrect register offset");
561 : SPDK_STATIC_ASSERT(0x14 == offsetof(struct spdk_nvme_registers, cc), "Incorrect register offset");
562 : SPDK_STATIC_ASSERT(0x1C == offsetof(struct spdk_nvme_registers, csts), "Incorrect register offset");
563 : SPDK_STATIC_ASSERT(0x20 == offsetof(struct spdk_nvme_registers, nssr), "Incorrect register offset");
564 : SPDK_STATIC_ASSERT(0x24 == offsetof(struct spdk_nvme_registers, aqa), "Incorrect register offset");
565 : SPDK_STATIC_ASSERT(0x28 == offsetof(struct spdk_nvme_registers, asq), "Incorrect register offset");
566 : SPDK_STATIC_ASSERT(0x30 == offsetof(struct spdk_nvme_registers, acq), "Incorrect register offset");
567 : SPDK_STATIC_ASSERT(0x38 == offsetof(struct spdk_nvme_registers, cmbloc),
568 : "Incorrect register offset");
569 : SPDK_STATIC_ASSERT(0x3C == offsetof(struct spdk_nvme_registers, cmbsz),
570 : "Incorrect register offset");
571 : SPDK_STATIC_ASSERT(0x40 == offsetof(struct spdk_nvme_registers, bpinfo),
572 : "Incorrect register offset");
573 : SPDK_STATIC_ASSERT(0x44 == offsetof(struct spdk_nvme_registers, bprsel),
574 : "Incorrect register offset");
575 : SPDK_STATIC_ASSERT(0x48 == offsetof(struct spdk_nvme_registers, bpmbl),
576 : "Incorrect register offset");
577 : SPDK_STATIC_ASSERT(0x50 == offsetof(struct spdk_nvme_registers, cmbmsc),
578 : "Incorrect register offset");
579 : SPDK_STATIC_ASSERT(0x58 == offsetof(struct spdk_nvme_registers, cmbsts),
580 : "Incorrect register offset");
581 : SPDK_STATIC_ASSERT(0xE00 == offsetof(struct spdk_nvme_registers, pmrcap),
582 : "Incorrect register offset");
583 : SPDK_STATIC_ASSERT(0xE04 == offsetof(struct spdk_nvme_registers, pmrctl),
584 : "Incorrect register offset");
585 : SPDK_STATIC_ASSERT(0xE08 == offsetof(struct spdk_nvme_registers, pmrsts),
586 : "Incorrect register offset");
587 : SPDK_STATIC_ASSERT(0xE0C == offsetof(struct spdk_nvme_registers, pmrebs),
588 : "Incorrect register offset");
589 : SPDK_STATIC_ASSERT(0xE10 == offsetof(struct spdk_nvme_registers, pmrswtp),
590 : "Incorrect register offset");
591 : SPDK_STATIC_ASSERT(0xE14 == offsetof(struct spdk_nvme_registers, pmrmscl),
592 : "Incorrect register offset");
593 : SPDK_STATIC_ASSERT(0xE18 == offsetof(struct spdk_nvme_registers, pmrmscu),
594 : "Incorrect register offset");
595 :
596 : enum spdk_nvme_sgl_descriptor_type {
597 : SPDK_NVME_SGL_TYPE_DATA_BLOCK = 0x0,
598 : SPDK_NVME_SGL_TYPE_BIT_BUCKET = 0x1,
599 : SPDK_NVME_SGL_TYPE_SEGMENT = 0x2,
600 : SPDK_NVME_SGL_TYPE_LAST_SEGMENT = 0x3,
601 : SPDK_NVME_SGL_TYPE_KEYED_DATA_BLOCK = 0x4,
602 : SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK = 0x5,
603 : /* 0x6 - 0xE reserved */
604 : SPDK_NVME_SGL_TYPE_VENDOR_SPECIFIC = 0xF
605 : };
606 :
607 : enum spdk_nvme_sgl_descriptor_subtype {
608 : SPDK_NVME_SGL_SUBTYPE_ADDRESS = 0x0,
609 : SPDK_NVME_SGL_SUBTYPE_OFFSET = 0x1,
610 : SPDK_NVME_SGL_SUBTYPE_TRANSPORT = 0xa,
611 : };
612 :
613 : #pragma pack(push, 1)
614 : struct spdk_nvme_sgl_descriptor {
615 : uint64_t address;
616 : union {
617 : struct {
618 : uint8_t reserved[7];
619 : uint8_t subtype : 4;
620 : uint8_t type : 4;
621 : } generic;
622 :
623 : struct {
624 : uint32_t length;
625 : uint8_t reserved[3];
626 : uint8_t subtype : 4;
627 : uint8_t type : 4;
628 : } unkeyed;
629 :
630 : struct {
631 : uint64_t length : 24;
632 : uint64_t key : 32;
633 : uint64_t subtype : 4;
634 : uint64_t type : 4;
635 : } keyed;
636 : };
637 : };
638 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_sgl_descriptor) == 16, "Incorrect size");
639 : #pragma pack(pop)
640 :
641 : enum spdk_nvme_psdt_value {
642 : SPDK_NVME_PSDT_PRP = 0x0,
643 : SPDK_NVME_PSDT_SGL_MPTR_CONTIG = 0x1,
644 : SPDK_NVME_PSDT_SGL_MPTR_SGL = 0x2,
645 : SPDK_NVME_PSDT_RESERVED = 0x3
646 : };
647 :
648 : /**
649 : * Submission queue priority values for Create I/O Submission Queue Command.
650 : *
651 : * Only valid for weighted round robin arbitration method.
652 : */
653 : enum spdk_nvme_qprio {
654 : SPDK_NVME_QPRIO_URGENT = 0x0,
655 : SPDK_NVME_QPRIO_HIGH = 0x1,
656 : SPDK_NVME_QPRIO_MEDIUM = 0x2,
657 : SPDK_NVME_QPRIO_LOW = 0x3
658 : };
659 :
660 : #define SPDK_NVME_CREATE_IO_SQ_QPRIO_MASK 0x3
661 :
662 : /**
663 : * Optional Arbitration Mechanism Supported by the controller.
664 : *
665 : * Two bits for CAP.AMS (18:17) field are set to '1' when the controller supports.
666 : * There is no bit for AMS_RR where all controllers support and set to 0x0 by default.
667 : */
668 : enum spdk_nvme_cap_ams {
669 : SPDK_NVME_CAP_AMS_WRR = 0x1, /**< weighted round robin */
670 : SPDK_NVME_CAP_AMS_VS = 0x2, /**< vendor specific */
671 : };
672 :
673 : /**
674 : * Arbitration Mechanism Selected to the controller.
675 : *
676 : * Value 0x2 to 0x6 is reserved.
677 : */
678 : enum spdk_nvme_cc_ams {
679 : SPDK_NVME_CC_AMS_RR = 0x0, /**< default round robin */
680 : SPDK_NVME_CC_AMS_WRR = 0x1, /**< weighted round robin */
681 : SPDK_NVME_CC_AMS_VS = 0x7, /**< vendor specific */
682 : };
683 :
684 : /**
685 : * Fused Operation
686 : */
687 : enum spdk_nvme_cmd_fuse {
688 : SPDK_NVME_CMD_FUSE_NONE = 0x0, /**< normal operation */
689 : SPDK_NVME_CMD_FUSE_FIRST = 0x1, /**< fused operation, first command */
690 : SPDK_NVME_CMD_FUSE_SECOND = 0x2, /**< fused operation, second command */
691 : SPDK_NVME_CMD_FUSE_MASK = 0x3, /**< fused operation flags mask */
692 : };
693 :
694 : /**
695 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_ARBITRATION
696 : */
697 : union spdk_nvme_feat_arbitration {
698 : uint32_t raw;
699 : struct {
700 : /** Arbitration Burst */
701 : uint32_t ab : 3;
702 :
703 : uint32_t reserved : 5;
704 :
705 : /** Low Priority Weight */
706 : uint32_t lpw : 8;
707 :
708 : /** Medium Priority Weight */
709 : uint32_t mpw : 8;
710 :
711 : /** High Priority Weight */
712 : uint32_t hpw : 8;
713 : } bits;
714 : };
715 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_arbitration) == 4, "Incorrect size");
716 :
717 : #define SPDK_NVME_ARBITRATION_BURST_UNLIMITED 0x7
718 :
719 : /**
720 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_POWER_MANAGEMENT
721 : */
722 : union spdk_nvme_feat_power_management {
723 : uint32_t raw;
724 : struct {
725 : /** Power State */
726 : uint32_t ps : 5;
727 :
728 : /** Workload Hint */
729 : uint32_t wh : 3;
730 :
731 : uint32_t reserved : 24;
732 : } bits;
733 : };
734 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_power_management) == 4, "Incorrect size");
735 :
736 : /**
737 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_LBA_RANGE_TYPE
738 : */
739 : union spdk_nvme_feat_lba_range_type {
740 : uint32_t raw;
741 : struct {
742 : /** Number of LBA Ranges */
743 : uint32_t num : 6;
744 :
745 : uint32_t reserved : 26;
746 : } bits;
747 : };
748 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_lba_range_type) == 4, "Incorrect size");
749 :
750 : /**
751 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD
752 : */
753 : union spdk_nvme_feat_temperature_threshold {
754 : uint32_t raw;
755 : struct {
756 : /** Temperature Threshold */
757 : uint32_t tmpth : 16;
758 :
759 : /** Threshold Temperature Select */
760 : uint32_t tmpsel : 4;
761 :
762 : /** Threshold Type Select */
763 : uint32_t thsel : 2;
764 :
765 : uint32_t reserved : 10;
766 : } bits;
767 : };
768 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_temperature_threshold) == 4, "Incorrect size");
769 :
770 : /**
771 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_ERROR_RECOVERY
772 : */
773 : union spdk_nvme_feat_error_recovery {
774 : uint32_t raw;
775 : struct {
776 : /** Time Limited Error Recovery */
777 : uint32_t tler : 16;
778 :
779 : /** Deallocated or Unwritten Logical Block Error Enable */
780 : uint32_t dulbe : 1;
781 :
782 : uint32_t reserved : 15;
783 : } bits;
784 : };
785 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_error_recovery) == 4, "Incorrect size");
786 :
787 : /**
788 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE
789 : */
790 : union spdk_nvme_feat_volatile_write_cache {
791 : uint32_t raw;
792 : struct {
793 : /** Volatile Write Cache Enable */
794 : uint32_t wce : 1;
795 :
796 : uint32_t reserved : 31;
797 : } bits;
798 : };
799 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_volatile_write_cache) == 4, "Incorrect size");
800 :
801 : /**
802 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_NUMBER_OF_QUEUES
803 : */
804 : union spdk_nvme_feat_number_of_queues {
805 : uint32_t raw;
806 : struct {
807 : /** Number of I/O Submission Queues Requested */
808 : uint32_t nsqr : 16;
809 :
810 : /** Number of I/O Completion Queues Requested */
811 : uint32_t ncqr : 16;
812 : } bits;
813 : };
814 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_number_of_queues) == 4, "Incorrect size");
815 :
816 : /**
817 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_INTERRUPT_COALESCING
818 : */
819 : union spdk_nvme_feat_interrupt_coalescing {
820 : uint32_t raw;
821 : struct {
822 : /** Aggregation Threshold */
823 : uint32_t thr : 8;
824 :
825 : /** Aggregation time */
826 : uint32_t time : 8;
827 :
828 : uint32_t reserved : 16;
829 : } bits;
830 : };
831 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_interrupt_coalescing) == 4, "Incorrect size");
832 :
833 : /**
834 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_INTERRUPT_VECTOR_CONFIGURATION
835 : */
836 : union spdk_nvme_feat_interrupt_vector_configuration {
837 : uint32_t raw;
838 : struct {
839 : /** Interrupt Vector */
840 : uint32_t iv : 16;
841 :
842 : /** Coalescing Disable */
843 : uint32_t cd : 1;
844 :
845 : uint32_t reserved : 15;
846 : } bits;
847 : };
848 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_interrupt_vector_configuration) == 4,
849 : "Incorrect size");
850 :
851 : /**
852 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_WRITE_ATOMICITY
853 : */
854 : union spdk_nvme_feat_write_atomicity {
855 : uint32_t raw;
856 : struct {
857 : /** Disable Normal */
858 : uint32_t dn : 1;
859 :
860 : uint32_t reserved : 31;
861 : } bits;
862 : };
863 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_write_atomicity) == 4, "Incorrect size");
864 :
865 : union spdk_nvme_critical_warning_state {
866 : uint8_t raw;
867 :
868 : struct {
869 : uint8_t available_spare : 1;
870 : uint8_t temperature : 1;
871 : uint8_t device_reliability : 1;
872 : uint8_t read_only : 1;
873 : uint8_t volatile_memory_backup : 1;
874 : uint8_t reserved : 3;
875 : } bits;
876 : };
877 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_critical_warning_state) == 1, "Incorrect size");
878 :
879 : /**
880 : * Data used by Set Features / Get Features \ref SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION
881 : */
882 : union spdk_nvme_feat_async_event_configuration {
883 : uint32_t raw;
884 : struct {
885 : union spdk_nvme_critical_warning_state crit_warn;
886 : uint8_t ns_attr_notice : 1;
887 : uint8_t fw_activation_notice : 1;
888 : uint8_t telemetry_log_notice : 1;
889 : uint8_t ana_change_notice : 1;
890 : uint8_t reserved1 : 4;
891 : uint16_t reserved2 : 15;
892 : /** Discovery log change (refer to the NVMe over Fabrics specification) */
893 : uint16_t discovery_log_change_notice : 1;
894 : } bits;
895 : };
896 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_async_event_configuration) == 4, "Incorrect size");
897 :
898 : /**
899 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_AUTONOMOUS_POWER_STATE_TRANSITION
900 : */
901 : union spdk_nvme_feat_autonomous_power_state_transition {
902 : uint32_t raw;
903 : struct {
904 : /** Autonomous Power State Transition Enable */
905 : uint32_t apste : 1;
906 :
907 : uint32_t reserved : 31;
908 : } bits;
909 : };
910 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_autonomous_power_state_transition) == 4,
911 : "Incorrect size");
912 :
913 : /**
914 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_HOST_MEM_BUFFER
915 : */
916 : union spdk_nvme_feat_host_mem_buffer {
917 : uint32_t raw;
918 : struct {
919 : /** Enable Host Memory */
920 : uint32_t ehm : 1;
921 :
922 : /** Memory Return */
923 : uint32_t mr : 1;
924 :
925 : uint32_t reserved : 30;
926 : } bits;
927 : };
928 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_host_mem_buffer) == 4, "Incorrect size");
929 :
930 : /**
931 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_KEEP_ALIVE_TIMER
932 : */
933 : union spdk_nvme_feat_keep_alive_timer {
934 : uint32_t raw;
935 : struct {
936 : /** Keep Alive Timeout */
937 : uint32_t kato : 32;
938 : } bits;
939 : };
940 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_keep_alive_timer) == 4, "Incorrect size");
941 :
942 : /**
943 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_HOST_CONTROLLED_THERMAL_MANAGEMENT
944 : */
945 : union spdk_nvme_feat_host_controlled_thermal_management {
946 : uint32_t raw;
947 : struct {
948 : /** Thermal Management Temperature 2 */
949 : uint32_t tmt2 : 16;
950 :
951 : /** Thermal Management Temperature 1 */
952 : uint32_t tmt1 : 16;
953 : } bits;
954 : };
955 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_host_controlled_thermal_management) == 4,
956 : "Incorrect size");
957 :
958 : /**
959 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_NON_OPERATIONAL_POWER_STATE_CONFIG
960 : */
961 : union spdk_nvme_feat_non_operational_power_state_config {
962 : uint32_t raw;
963 : struct {
964 : /** Non-Operational Power State Permissive Mode Enable */
965 : uint32_t noppme : 1;
966 :
967 : uint32_t reserved : 31;
968 : } bits;
969 : };
970 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_non_operational_power_state_config) == 4,
971 : "Incorrect size");
972 :
973 : /**
974 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_SOFTWARE_PROGRESS_MARKER
975 : */
976 : union spdk_nvme_feat_software_progress_marker {
977 : uint32_t raw;
978 : struct {
979 : /** Pre-boot Software Load Count */
980 : uint32_t pbslc : 8;
981 :
982 : uint32_t reserved : 24;
983 : } bits;
984 : };
985 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_software_progress_marker) == 4, "Incorrect size");
986 :
987 : /**
988 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_HOST_IDENTIFIER
989 : */
990 : union spdk_nvme_feat_host_identifier {
991 : uint32_t raw;
992 : struct {
993 : /** Enable Extended Host Identifier */
994 : uint32_t exhid : 1;
995 :
996 : uint32_t reserved : 31;
997 : } bits;
998 : };
999 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_host_identifier) == 4, "Incorrect size");
1000 :
1001 : /**
1002 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_HOST_RESERVE_MASK
1003 : */
1004 : union spdk_nvme_feat_reservation_notification_mask {
1005 : uint32_t raw;
1006 : struct {
1007 : uint32_t reserved1 : 1;
1008 : /* Mask Registration Preempted Notification */
1009 : uint32_t regpre : 1;
1010 : /* Mask Reservation Released Notification */
1011 : uint32_t resrel : 1;
1012 : /* Mask Reservation Preempted Notification */
1013 : uint32_t respre : 1;
1014 : uint32_t reserved2 : 28;
1015 : } bits;
1016 : };
1017 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_reservation_notification_mask) == 4,
1018 : "Incorrect size");
1019 :
1020 : /**
1021 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_HOST_RESERVE_PERSIST
1022 : */
1023 : union spdk_nvme_feat_reservation_persistence {
1024 : uint32_t raw;
1025 : struct {
1026 : /* Persist Through Power Loss */
1027 : uint32_t ptpl : 1;
1028 : uint32_t reserved : 31;
1029 : } bits;
1030 : };
1031 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_reservation_persistence) == 4, "Incorrect size");
1032 :
1033 : /**
1034 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_FDP
1035 : */
1036 : union spdk_nvme_feat_fdp_cdw11 {
1037 : uint32_t raw;
1038 : struct {
1039 : /* Endurance Group Identifier */
1040 : uint32_t endgid : 16;
1041 : uint32_t reserved : 16;
1042 : } bits;
1043 : };
1044 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_fdp_cdw11) == 4, "Incorrect size");
1045 :
1046 : /**
1047 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_FDP
1048 : */
1049 : union spdk_nvme_feat_fdp_cdw12 {
1050 : uint32_t raw;
1051 : struct {
1052 : /* Flexible Data Placement Enable */
1053 : uint32_t fdpe : 1;
1054 : uint32_t reserved1 : 7;
1055 : /* Flexible Data Placement Configuration Index */
1056 : uint32_t fdpci : 8;
1057 : uint32_t reserved2 : 16;
1058 : } bits;
1059 : };
1060 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_fdp_cdw12) == 4, "Incorrect size");
1061 :
1062 : /**
1063 : * Data used by Set Features/Get Features \ref SPDK_NVME_FEAT_FDP_EVENTS
1064 : */
1065 : union spdk_nvme_feat_fdp_events_cdw11 {
1066 : uint32_t raw;
1067 : struct {
1068 : /* Placement Handle associated with RUH */
1069 : uint32_t phndl : 16;
1070 : /* Number of FDP event types in data buffer */
1071 : uint32_t noet : 8;
1072 : uint32_t reserved : 8;
1073 : } bits;
1074 : };
1075 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_fdp_events_cdw11) == 4, "Incorrect size");
1076 :
1077 : /**
1078 : * Data used by Set Feature \ref SPDK_NVME_FEAT_FDP_EVENTS
1079 : */
1080 : union spdk_nvme_feat_fdp_events_cdw12 {
1081 : uint32_t raw;
1082 : struct {
1083 : /* FDP Event Enable */
1084 : uint32_t fdpee : 1;
1085 : uint32_t reserved1 : 31;
1086 : } bits;
1087 : };
1088 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_feat_fdp_events_cdw12) == 4, "Incorrect size");
1089 :
1090 : union spdk_nvme_cmd_cdw10 {
1091 : uint32_t raw;
1092 : struct {
1093 : /* Controller or Namespace Structure */
1094 : uint32_t cns : 8;
1095 : uint32_t reserved : 8;
1096 : /* Controller Identifier */
1097 : uint32_t cntid : 16;
1098 : } identify;
1099 :
1100 : struct {
1101 : /* Log Page Identifier */
1102 : uint32_t lid : 8;
1103 : /* Log Specific Field */
1104 : uint32_t lsp : 7;
1105 : /* Retain Asynchronous Event */
1106 : uint32_t rae : 1;
1107 : /* Number of Dwords Lower */
1108 : uint32_t numdl : 16;
1109 : } get_log_page;
1110 :
1111 : struct {
1112 : /* Submission Queue Identifier */
1113 : uint32_t sqid : 16;
1114 : /* Command Identifier */
1115 : uint32_t cid : 16;
1116 : } abort;
1117 :
1118 : struct {
1119 : /* NVMe Security Specific Field */
1120 : uint32_t nssf : 8;
1121 : /* SP Specific 0 */
1122 : uint32_t spsp0 : 8;
1123 : /* SP Specific 1 */
1124 : uint32_t spsp1 : 8;
1125 : /* Security Protocol */
1126 : uint32_t secp : 8;
1127 : } sec_send_recv;
1128 :
1129 : struct {
1130 : /* Queue Identifier */
1131 : uint32_t qid : 16;
1132 : /* Queue Size */
1133 : uint32_t qsize : 16;
1134 : } create_io_q;
1135 :
1136 : struct {
1137 : /* Queue Identifier */
1138 : uint32_t qid : 16;
1139 : uint32_t reserved : 16;
1140 : } delete_io_q;
1141 :
1142 : struct {
1143 : /* Feature Identifier */
1144 : uint32_t fid : 8;
1145 : /* Select */
1146 : uint32_t sel : 3;
1147 : uint32_t reserved : 21;
1148 : } get_features;
1149 :
1150 : struct {
1151 : /* Feature Identifier */
1152 : uint32_t fid : 8;
1153 : uint32_t reserved : 23;
1154 : /* Save */
1155 : uint32_t sv : 1;
1156 : } set_features;
1157 :
1158 : struct {
1159 : /* Select */
1160 : uint32_t sel : 4;
1161 : uint32_t reserved : 28;
1162 : } ns_attach;
1163 :
1164 : struct {
1165 : /* Select */
1166 : uint32_t sel : 4;
1167 : uint32_t reserved : 28;
1168 : } ns_manage;
1169 :
1170 : struct {
1171 : /* Number of Ranges */
1172 : uint32_t nr : 8;
1173 : uint32_t reserved : 24;
1174 : } dsm;
1175 :
1176 : struct {
1177 : /* Reservation Register Action */
1178 : uint32_t rrega : 3;
1179 : /* Ignore Existing Key */
1180 : uint32_t iekey : 1;
1181 : uint32_t reserved : 26;
1182 : /* Change Persist Through Power Loss State */
1183 : uint32_t cptpl : 2;
1184 : } resv_register;
1185 :
1186 : struct {
1187 : /* Reservation Release Action */
1188 : uint32_t rrela : 3;
1189 : /* Ignore Existing Key */
1190 : uint32_t iekey : 1;
1191 : uint32_t reserved1 : 4;
1192 : /* Reservation Type */
1193 : uint32_t rtype : 8;
1194 : uint32_t reserved2 : 16;
1195 : } resv_release;
1196 :
1197 : struct {
1198 : /* Reservation Acquire Action */
1199 : uint32_t racqa : 3;
1200 : /* Ignore Existing Key */
1201 : uint32_t iekey : 1;
1202 : uint32_t reserved1 : 4;
1203 : /* Reservation Type */
1204 : uint32_t rtype : 8;
1205 : uint32_t reserved2 : 16;
1206 : } resv_acquire;
1207 :
1208 : struct {
1209 : /* Management Operation */
1210 : uint32_t mo : 8;
1211 : uint32_t reserved : 8;
1212 : /* Management Operation Specific */
1213 : uint32_t mos : 16;
1214 : } mgmt_send_recv;
1215 : };
1216 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmd_cdw10) == 4, "Incorrect size");
1217 :
1218 : union spdk_nvme_cmd_cdw11 {
1219 : uint32_t raw;
1220 :
1221 : struct {
1222 : /* NVM Set Identifier */
1223 : uint32_t nvmsetid : 16;
1224 : uint32_t reserved : 8;
1225 : /* Command Set Identifier */
1226 : uint32_t csi : 8;
1227 : } identify;
1228 :
1229 : struct {
1230 : /* Physically Contiguous */
1231 : uint32_t pc : 1;
1232 : /* Queue Priority */
1233 : uint32_t qprio : 2;
1234 : uint32_t reserved : 13;
1235 : /* Completion Queue Identifier */
1236 : uint32_t cqid : 16;
1237 : } create_io_sq;
1238 :
1239 : struct {
1240 : /* Physically Contiguous */
1241 : uint32_t pc : 1;
1242 : /* Interrupts Enabled */
1243 : uint32_t ien : 1;
1244 : uint32_t reserved : 14;
1245 : /* Interrupt Vector */
1246 : uint32_t iv : 16;
1247 : } create_io_cq;
1248 :
1249 : struct {
1250 : /* Directive Operation */
1251 : uint32_t doper : 8;
1252 : /* Directive Type */
1253 : uint32_t dtype : 8;
1254 : /* Directive Specific */
1255 : uint32_t dspec : 16;
1256 : } directive;
1257 :
1258 : struct {
1259 : /* Number of Dwords */
1260 : uint32_t numdu : 16;
1261 : /* Log Specific Identifier */
1262 : uint32_t lsid : 16;
1263 : } get_log_page;
1264 :
1265 : struct {
1266 : /* Extended Data Structure */
1267 : uint32_t eds : 1;
1268 : uint32_t reserved : 31;
1269 : } resv_report;
1270 :
1271 : union spdk_nvme_feat_arbitration feat_arbitration;
1272 : union spdk_nvme_feat_power_management feat_power_management;
1273 : union spdk_nvme_feat_lba_range_type feat_lba_range_type;
1274 : union spdk_nvme_feat_temperature_threshold feat_temp_threshold;
1275 : union spdk_nvme_feat_error_recovery feat_error_recovery;
1276 : union spdk_nvme_feat_volatile_write_cache feat_volatile_write_cache;
1277 : union spdk_nvme_feat_number_of_queues feat_num_of_queues;
1278 : union spdk_nvme_feat_interrupt_coalescing feat_interrupt_coalescing;
1279 : union spdk_nvme_feat_interrupt_vector_configuration feat_interrupt_vector_configuration;
1280 : union spdk_nvme_feat_write_atomicity feat_write_atomicity;
1281 : union spdk_nvme_feat_async_event_configuration feat_async_event_cfg;
1282 : union spdk_nvme_feat_keep_alive_timer feat_keep_alive_timer;
1283 : union spdk_nvme_feat_host_identifier feat_host_identifier;
1284 : union spdk_nvme_feat_reservation_notification_mask feat_rsv_notification_mask;
1285 : union spdk_nvme_feat_reservation_persistence feat_rsv_persistence;
1286 : union spdk_nvme_feat_fdp_cdw11 feat_fdp_cdw11;
1287 : union spdk_nvme_feat_fdp_events_cdw11 feat_fdp_events_cdw11;
1288 :
1289 : struct {
1290 : /* Attribute – Integral Dataset for Read */
1291 : uint32_t idr : 1;
1292 : /* Attribute – Integral Dataset for Write */
1293 : uint32_t idw : 1;
1294 : /* Attribute – Deallocate */
1295 : uint32_t ad : 1;
1296 : uint32_t reserved : 29;
1297 : } dsm;
1298 : };
1299 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmd_cdw11) == 4, "Incorrect size");
1300 :
1301 : union spdk_nvme_cmd_cdw12 {
1302 : uint32_t raw;
1303 :
1304 : struct {
1305 : /* Number of Ranges */
1306 : uint32_t nlb : 16;
1307 : uint32_t reserved : 4;
1308 : /* Directive Type */
1309 : uint32_t dtype : 4;
1310 : /* Storage Tag Check */
1311 : uint32_t stc : 1;
1312 : uint32_t reserved2 : 1;
1313 : /* Protection Information Check */
1314 : uint32_t prchk : 3;
1315 : /* Protection Information Action */
1316 : uint32_t pract : 1;
1317 : /* Force Unit Access */
1318 : uint32_t fua : 1;
1319 : /* Limited Retry */
1320 : uint32_t lr : 1;
1321 : } write;
1322 :
1323 : struct {
1324 : /* Number of Ranges */
1325 : uint32_t nr : 8;
1326 : /* Descriptor Format */
1327 : uint32_t df : 4;
1328 : /* Protection Information Field Read */
1329 : uint32_t prinfor : 4;
1330 : uint32_t reserved : 4;
1331 : /* Directive Type */
1332 : uint32_t dtype : 4;
1333 : /* Storage Tag Check Write */
1334 : uint32_t stcw : 1;
1335 : uint32_t reserved2 : 1;
1336 : /* Protection Information Field Write */
1337 : uint32_t prinfow : 4;
1338 : /* Force Unit Access */
1339 : uint32_t fua : 1;
1340 : /* Limited Retry */
1341 : uint32_t lr : 1;
1342 : } copy;
1343 :
1344 : struct {
1345 : /* Number of Logical Blocks */
1346 : uint32_t nlb : 16;
1347 : uint32_t reserved : 8;
1348 : /* Storage Tag Check */
1349 : uint32_t stc : 1;
1350 : /* Deallocate */
1351 : uint32_t deac : 1;
1352 : /* Protection Information Check */
1353 : uint32_t prchk : 3;
1354 : /* Protection Information Action */
1355 : uint32_t pract : 1;
1356 : /* Force Unit Access */
1357 : uint32_t fua : 1;
1358 : /* Limited Retry */
1359 : uint32_t lr : 1;
1360 : } write_zeroes;
1361 :
1362 : union spdk_nvme_feat_fdp_cdw12 feat_fdp_cdw12;
1363 : union spdk_nvme_feat_fdp_events_cdw12 feat_fdp_events_cdw12;
1364 : };
1365 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmd_cdw12) == 4, "Incorrect size");
1366 :
1367 : union spdk_nvme_cmd_cdw13 {
1368 : uint32_t raw;
1369 :
1370 : struct {
1371 : /* Dataset Management */
1372 : uint32_t dsm : 8;
1373 : uint32_t reserved : 8;
1374 : /* Directive Specific */
1375 : uint32_t dspec : 16;
1376 : } write;
1377 : };
1378 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_cmd_cdw13) == 4, "Incorrect size");
1379 :
1380 : struct spdk_nvme_cmd {
1381 : /* dword 0 */
1382 : uint16_t opc : 8; /* opcode */
1383 : uint16_t fuse : 2; /* fused operation */
1384 : uint16_t rsvd1 : 4;
1385 : uint16_t psdt : 2;
1386 : uint16_t cid; /* command identifier */
1387 :
1388 : /* dword 1 */
1389 : uint32_t nsid; /* namespace identifier */
1390 :
1391 : /* dword 2-3 */
1392 : uint32_t rsvd2;
1393 : uint32_t rsvd3;
1394 :
1395 : /* dword 4-5 */
1396 : uint64_t mptr; /* metadata pointer */
1397 :
1398 : /* dword 6-9: data pointer */
1399 : union {
1400 : struct {
1401 : uint64_t prp1; /* prp entry 1 */
1402 : uint64_t prp2; /* prp entry 2 */
1403 : } prp;
1404 :
1405 : struct spdk_nvme_sgl_descriptor sgl1;
1406 : } dptr;
1407 :
1408 : /* command-specific */
1409 : union {
1410 : uint32_t cdw10;
1411 : union spdk_nvme_cmd_cdw10 cdw10_bits;
1412 : };
1413 : /* command-specific */
1414 : union {
1415 : uint32_t cdw11;
1416 : union spdk_nvme_cmd_cdw11 cdw11_bits;
1417 : };
1418 : /* command-specific */
1419 : union {
1420 : uint32_t cdw12;
1421 : union spdk_nvme_cmd_cdw12 cdw12_bits;
1422 : };
1423 : /* command-specific */
1424 : union {
1425 : uint32_t cdw13;
1426 : union spdk_nvme_cmd_cdw13 cdw13_bits;
1427 : };
1428 : /* dword 14-15 */
1429 : uint32_t cdw14; /* command-specific */
1430 : uint32_t cdw15; /* command-specific */
1431 : };
1432 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_cmd) == 64, "Incorrect size");
1433 :
1434 : struct spdk_nvme_status {
1435 : uint16_t p : 1; /* phase tag */
1436 : uint16_t sc : 8; /* status code */
1437 : uint16_t sct : 3; /* status code type */
1438 : uint16_t crd : 2; /* command retry delay */
1439 : uint16_t m : 1; /* more */
1440 : uint16_t dnr : 1; /* do not retry */
1441 : };
1442 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_status) == 2, "Incorrect size");
1443 :
1444 : /**
1445 : * Completion queue entry
1446 : */
1447 : struct spdk_nvme_cpl {
1448 : /* dword 0 */
1449 : uint32_t cdw0; /* command-specific */
1450 :
1451 : /* dword 1 */
1452 : uint32_t cdw1; /* command-specific */
1453 :
1454 : /* dword 2 */
1455 : uint16_t sqhd; /* submission queue head pointer */
1456 : uint16_t sqid; /* submission queue identifier */
1457 :
1458 : /* dword 3 */
1459 : uint16_t cid; /* command identifier */
1460 : union {
1461 : uint16_t status_raw;
1462 : struct spdk_nvme_status status;
1463 : };
1464 : };
1465 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_cpl) == 16, "Incorrect size");
1466 :
1467 : /**
1468 : * Dataset Management range
1469 : */
1470 : struct spdk_nvme_dsm_range {
1471 : union {
1472 : struct {
1473 : uint32_t af : 4; /**< access frequency */
1474 : uint32_t al : 2; /**< access latency */
1475 : uint32_t reserved0 : 2;
1476 :
1477 : uint32_t sr : 1; /**< sequential read range */
1478 : uint32_t sw : 1; /**< sequential write range */
1479 : uint32_t wp : 1; /**< write prepare */
1480 : uint32_t reserved1 : 13;
1481 :
1482 : uint32_t access_size : 8; /**< command access size */
1483 : } bits;
1484 :
1485 : uint32_t raw;
1486 : } attributes;
1487 :
1488 : uint32_t length;
1489 : uint64_t starting_lba;
1490 : };
1491 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_dsm_range) == 16, "Incorrect size");
1492 :
1493 : /**
1494 : * Simple Copy Command source range
1495 : */
1496 : struct spdk_nvme_scc_source_range {
1497 : uint64_t reserved0;
1498 : uint64_t slba;
1499 : uint16_t nlb;
1500 : uint16_t reserved18;
1501 : uint32_t reserved20;
1502 : uint32_t eilbrt;
1503 : uint16_t elbat;
1504 : uint16_t elbatm;
1505 : };
1506 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_scc_source_range) == 32, "Incorrect size");
1507 :
1508 : /**
1509 : * Status code types
1510 : */
1511 : enum spdk_nvme_status_code_type {
1512 : SPDK_NVME_SCT_GENERIC = 0x0,
1513 : SPDK_NVME_SCT_COMMAND_SPECIFIC = 0x1,
1514 : SPDK_NVME_SCT_MEDIA_ERROR = 0x2,
1515 : SPDK_NVME_SCT_PATH = 0x3,
1516 : /* 0x4-0x6 - reserved */
1517 : SPDK_NVME_SCT_VENDOR_SPECIFIC = 0x7,
1518 : };
1519 :
1520 : /**
1521 : * Generic command status codes
1522 : */
1523 : enum spdk_nvme_generic_command_status_code {
1524 : SPDK_NVME_SC_SUCCESS = 0x00,
1525 : SPDK_NVME_SC_INVALID_OPCODE = 0x01,
1526 : SPDK_NVME_SC_INVALID_FIELD = 0x02,
1527 : SPDK_NVME_SC_COMMAND_ID_CONFLICT = 0x03,
1528 : SPDK_NVME_SC_DATA_TRANSFER_ERROR = 0x04,
1529 : SPDK_NVME_SC_ABORTED_POWER_LOSS = 0x05,
1530 : SPDK_NVME_SC_INTERNAL_DEVICE_ERROR = 0x06,
1531 : SPDK_NVME_SC_ABORTED_BY_REQUEST = 0x07,
1532 : SPDK_NVME_SC_ABORTED_SQ_DELETION = 0x08,
1533 : SPDK_NVME_SC_ABORTED_FAILED_FUSED = 0x09,
1534 : SPDK_NVME_SC_ABORTED_MISSING_FUSED = 0x0a,
1535 : SPDK_NVME_SC_INVALID_NAMESPACE_OR_FORMAT = 0x0b,
1536 : SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR = 0x0c,
1537 : SPDK_NVME_SC_INVALID_SGL_SEG_DESCRIPTOR = 0x0d,
1538 : SPDK_NVME_SC_INVALID_NUM_SGL_DESCIRPTORS = 0x0e,
1539 : SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID = 0x0f,
1540 : SPDK_NVME_SC_METADATA_SGL_LENGTH_INVALID = 0x10,
1541 : SPDK_NVME_SC_SGL_DESCRIPTOR_TYPE_INVALID = 0x11,
1542 : SPDK_NVME_SC_INVALID_CONTROLLER_MEM_BUF = 0x12,
1543 : SPDK_NVME_SC_INVALID_PRP_OFFSET = 0x13,
1544 : SPDK_NVME_SC_ATOMIC_WRITE_UNIT_EXCEEDED = 0x14,
1545 : SPDK_NVME_SC_OPERATION_DENIED = 0x15,
1546 : SPDK_NVME_SC_INVALID_SGL_OFFSET = 0x16,
1547 : /* 0x17 - reserved */
1548 : SPDK_NVME_SC_HOSTID_INCONSISTENT_FORMAT = 0x18,
1549 : SPDK_NVME_SC_KEEP_ALIVE_EXPIRED = 0x19,
1550 : SPDK_NVME_SC_KEEP_ALIVE_INVALID = 0x1a,
1551 : SPDK_NVME_SC_ABORTED_PREEMPT = 0x1b,
1552 : SPDK_NVME_SC_SANITIZE_FAILED = 0x1c,
1553 : SPDK_NVME_SC_SANITIZE_IN_PROGRESS = 0x1d,
1554 : SPDK_NVME_SC_SGL_DATA_BLOCK_GRANULARITY_INVALID = 0x1e,
1555 : SPDK_NVME_SC_COMMAND_INVALID_IN_CMB = 0x1f,
1556 : SPDK_NVME_SC_COMMAND_NAMESPACE_IS_PROTECTED = 0x20,
1557 : SPDK_NVME_SC_COMMAND_INTERRUPTED = 0x21,
1558 : SPDK_NVME_SC_COMMAND_TRANSIENT_TRANSPORT_ERROR = 0x22,
1559 : SPDK_NVME_SC_COMMAND_PROHIBITED_BY_LOCKDOWN = 0x23,
1560 : SPDK_NVME_SC_ADMIN_COMMAND_MEDIA_NOT_READY = 0x24,
1561 :
1562 : SPDK_NVME_SC_FDP_DISABLED = 0x29,
1563 : SPDK_NVME_SC_INVALID_PLACEMENT_HANDLE_LIST = 0x2A,
1564 :
1565 : SPDK_NVME_SC_LBA_OUT_OF_RANGE = 0x80,
1566 : SPDK_NVME_SC_CAPACITY_EXCEEDED = 0x81,
1567 : SPDK_NVME_SC_NAMESPACE_NOT_READY = 0x82,
1568 : SPDK_NVME_SC_RESERVATION_CONFLICT = 0x83,
1569 : SPDK_NVME_SC_FORMAT_IN_PROGRESS = 0x84,
1570 : SPDK_NVME_SC_INVALID_VALUE_SIZE = 0x85,
1571 : SPDK_NVME_SC_INVALID_KEY_SIZE = 0x86,
1572 : SPDK_NVME_SC_KV_KEY_DOES_NOT_EXIST = 0x87,
1573 : SPDK_NVME_SC_UNRECOVERED_ERROR = 0x88,
1574 : SPDK_NVME_SC_KEY_EXISTS = 0x89,
1575 : };
1576 :
1577 : /**
1578 : * Command specific status codes
1579 : */
1580 : enum spdk_nvme_command_specific_status_code {
1581 : SPDK_NVME_SC_COMPLETION_QUEUE_INVALID = 0x00,
1582 : SPDK_NVME_SC_INVALID_QUEUE_IDENTIFIER = 0x01,
1583 : SPDK_NVME_SC_INVALID_QUEUE_SIZE = 0x02,
1584 : SPDK_NVME_SC_ABORT_COMMAND_LIMIT_EXCEEDED = 0x03,
1585 : /* 0x04 - reserved */
1586 : SPDK_NVME_SC_ASYNC_EVENT_REQUEST_LIMIT_EXCEEDED = 0x05,
1587 : SPDK_NVME_SC_INVALID_FIRMWARE_SLOT = 0x06,
1588 : SPDK_NVME_SC_INVALID_FIRMWARE_IMAGE = 0x07,
1589 : SPDK_NVME_SC_INVALID_INTERRUPT_VECTOR = 0x08,
1590 : SPDK_NVME_SC_INVALID_LOG_PAGE = 0x09,
1591 : SPDK_NVME_SC_INVALID_FORMAT = 0x0a,
1592 : SPDK_NVME_SC_FIRMWARE_REQ_CONVENTIONAL_RESET = 0x0b,
1593 : SPDK_NVME_SC_INVALID_QUEUE_DELETION = 0x0c,
1594 : SPDK_NVME_SC_FEATURE_ID_NOT_SAVEABLE = 0x0d,
1595 : SPDK_NVME_SC_FEATURE_NOT_CHANGEABLE = 0x0e,
1596 : SPDK_NVME_SC_FEATURE_NOT_NAMESPACE_SPECIFIC = 0x0f,
1597 : SPDK_NVME_SC_FIRMWARE_REQ_NVM_RESET = 0x10,
1598 : SPDK_NVME_SC_FIRMWARE_REQ_RESET = 0x11,
1599 : SPDK_NVME_SC_FIRMWARE_REQ_MAX_TIME_VIOLATION = 0x12,
1600 : SPDK_NVME_SC_FIRMWARE_ACTIVATION_PROHIBITED = 0x13,
1601 : SPDK_NVME_SC_OVERLAPPING_RANGE = 0x14,
1602 : SPDK_NVME_SC_NAMESPACE_INSUFFICIENT_CAPACITY = 0x15,
1603 : SPDK_NVME_SC_NAMESPACE_ID_UNAVAILABLE = 0x16,
1604 : /* 0x17 - reserved */
1605 : SPDK_NVME_SC_NAMESPACE_ALREADY_ATTACHED = 0x18,
1606 : SPDK_NVME_SC_NAMESPACE_IS_PRIVATE = 0x19,
1607 : SPDK_NVME_SC_NAMESPACE_NOT_ATTACHED = 0x1a,
1608 : SPDK_NVME_SC_THINPROVISIONING_NOT_SUPPORTED = 0x1b,
1609 : SPDK_NVME_SC_CONTROLLER_LIST_INVALID = 0x1c,
1610 : SPDK_NVME_SC_DEVICE_SELF_TEST_IN_PROGRESS = 0x1d,
1611 : SPDK_NVME_SC_BOOT_PARTITION_WRITE_PROHIBITED = 0x1e,
1612 : SPDK_NVME_SC_INVALID_CTRLR_ID = 0x1f,
1613 : SPDK_NVME_SC_INVALID_SECONDARY_CTRLR_STATE = 0x20,
1614 : SPDK_NVME_SC_INVALID_NUM_CTRLR_RESOURCES = 0x21,
1615 : SPDK_NVME_SC_INVALID_RESOURCE_ID = 0x22,
1616 : SPDK_NVME_SC_SANITIZE_PROHIBITED = 0x23,
1617 : SPDK_NVME_SC_ANA_GROUP_IDENTIFIER_INVALID = 0x24,
1618 : SPDK_NVME_SC_ANA_ATTACH_FAILED = 0x25,
1619 : SPDK_NVME_SC_INSUFFICIENT_CAPACITY = 0x26,
1620 : SPDK_NVME_SC_NAMESPACE_ATTACH_LIMIT_EXCEEDED = 0x27,
1621 : SPDK_NVME_SC_PROHIBIT_CMD_EXEC_NOT_SUPPORTED = 0x28,
1622 : SPDK_NVME_SC_IOCS_NOT_SUPPORTED = 0x29,
1623 : SPDK_NVME_SC_IOCS_NOT_ENABLED = 0x2a,
1624 : SPDK_NVME_SC_IOCS_COMBINATION_REJECTED = 0x2b,
1625 : SPDK_NVME_SC_INVALID_IOCS = 0x2c,
1626 : SPDK_NVME_SC_IDENTIFIER_UNAVAILABLE = 0x2d,
1627 :
1628 : SPDK_NVME_SC_STREAM_RESOURCE_ALLOCATION_FAILED = 0x7f,
1629 : SPDK_NVME_SC_CONFLICTING_ATTRIBUTES = 0x80,
1630 : SPDK_NVME_SC_INVALID_PROTECTION_INFO = 0x81,
1631 : SPDK_NVME_SC_ATTEMPTED_WRITE_TO_RO_RANGE = 0x82,
1632 : SPDK_NVME_SC_CMD_SIZE_LIMIT_SIZE_EXCEEDED = 0x83,
1633 :
1634 : SPDK_NVME_SC_ZONED_BOUNDARY_ERROR = 0xb8,
1635 : SPDK_NVME_SC_ZONE_IS_FULL = 0xb9,
1636 : SPDK_NVME_SC_ZONE_IS_READ_ONLY = 0xba,
1637 : SPDK_NVME_SC_ZONE_IS_OFFLINE = 0xbb,
1638 : SPDK_NVME_SC_ZONE_INVALID_WRITE = 0xbc,
1639 : SPDK_NVME_SC_TOO_MANY_ACTIVE_ZONES = 0xbd,
1640 : SPDK_NVME_SC_TOO_MANY_OPEN_ZONES = 0xbe,
1641 : SPDK_NVME_SC_INVALID_ZONE_STATE_TRANSITION = 0xbf,
1642 : };
1643 :
1644 : /**
1645 : * Media error status codes
1646 : */
1647 : enum spdk_nvme_media_error_status_code {
1648 : SPDK_NVME_SC_WRITE_FAULTS = 0x80,
1649 : SPDK_NVME_SC_UNRECOVERED_READ_ERROR = 0x81,
1650 : SPDK_NVME_SC_GUARD_CHECK_ERROR = 0x82,
1651 : SPDK_NVME_SC_APPLICATION_TAG_CHECK_ERROR = 0x83,
1652 : SPDK_NVME_SC_REFERENCE_TAG_CHECK_ERROR = 0x84,
1653 : SPDK_NVME_SC_COMPARE_FAILURE = 0x85,
1654 : SPDK_NVME_SC_ACCESS_DENIED = 0x86,
1655 : SPDK_NVME_SC_DEALLOCATED_OR_UNWRITTEN_BLOCK = 0x87,
1656 : SPDK_NVME_SC_END_TO_END_STORAGE_TAG_CHECK_ERROR = 0x88,
1657 : };
1658 :
1659 : /**
1660 : * Path related status codes
1661 : */
1662 : enum spdk_nvme_path_status_code {
1663 : SPDK_NVME_SC_INTERNAL_PATH_ERROR = 0x00,
1664 : SPDK_NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS = 0x01,
1665 : SPDK_NVME_SC_ASYMMETRIC_ACCESS_INACCESSIBLE = 0x02,
1666 : SPDK_NVME_SC_ASYMMETRIC_ACCESS_TRANSITION = 0x03,
1667 :
1668 : SPDK_NVME_SC_CONTROLLER_PATH_ERROR = 0x60,
1669 :
1670 : SPDK_NVME_SC_HOST_PATH_ERROR = 0x70,
1671 : SPDK_NVME_SC_ABORTED_BY_HOST = 0x71,
1672 : };
1673 :
1674 : #define SPDK_NVME_MAX_OPC 0xff
1675 :
1676 : /**
1677 : * Admin opcodes
1678 : */
1679 : enum spdk_nvme_admin_opcode {
1680 : SPDK_NVME_OPC_DELETE_IO_SQ = 0x00,
1681 : SPDK_NVME_OPC_CREATE_IO_SQ = 0x01,
1682 : SPDK_NVME_OPC_GET_LOG_PAGE = 0x02,
1683 : /* 0x03 - reserved */
1684 : SPDK_NVME_OPC_DELETE_IO_CQ = 0x04,
1685 : SPDK_NVME_OPC_CREATE_IO_CQ = 0x05,
1686 : SPDK_NVME_OPC_IDENTIFY = 0x06,
1687 : /* 0x07 - reserved */
1688 : SPDK_NVME_OPC_ABORT = 0x08,
1689 : SPDK_NVME_OPC_SET_FEATURES = 0x09,
1690 : SPDK_NVME_OPC_GET_FEATURES = 0x0a,
1691 : /* 0x0b - reserved */
1692 : SPDK_NVME_OPC_ASYNC_EVENT_REQUEST = 0x0c,
1693 : SPDK_NVME_OPC_NS_MANAGEMENT = 0x0d,
1694 : /* 0x0e-0x0f - reserved */
1695 : SPDK_NVME_OPC_FIRMWARE_COMMIT = 0x10,
1696 : SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD = 0x11,
1697 :
1698 : SPDK_NVME_OPC_DEVICE_SELF_TEST = 0x14,
1699 : SPDK_NVME_OPC_NS_ATTACHMENT = 0x15,
1700 :
1701 : SPDK_NVME_OPC_KEEP_ALIVE = 0x18,
1702 : SPDK_NVME_OPC_DIRECTIVE_SEND = 0x19,
1703 : SPDK_NVME_OPC_DIRECTIVE_RECEIVE = 0x1a,
1704 :
1705 : SPDK_NVME_OPC_VIRTUALIZATION_MANAGEMENT = 0x1c,
1706 : SPDK_NVME_OPC_NVME_MI_SEND = 0x1d,
1707 : SPDK_NVME_OPC_NVME_MI_RECEIVE = 0x1e,
1708 :
1709 : SPDK_NVME_OPC_DOORBELL_BUFFER_CONFIG = 0x7c,
1710 :
1711 : SPDK_NVME_OPC_FORMAT_NVM = 0x80,
1712 : SPDK_NVME_OPC_SECURITY_SEND = 0x81,
1713 : SPDK_NVME_OPC_SECURITY_RECEIVE = 0x82,
1714 :
1715 : SPDK_NVME_OPC_SANITIZE = 0x84,
1716 :
1717 : SPDK_NVME_OPC_GET_LBA_STATUS = 0x86,
1718 : };
1719 :
1720 : /**
1721 : * NVM command set opcodes
1722 : */
1723 : enum spdk_nvme_nvm_opcode {
1724 : SPDK_NVME_OPC_FLUSH = 0x00,
1725 : SPDK_NVME_OPC_WRITE = 0x01,
1726 : SPDK_NVME_OPC_READ = 0x02,
1727 : /* 0x03 - reserved */
1728 : SPDK_NVME_OPC_WRITE_UNCORRECTABLE = 0x04,
1729 : SPDK_NVME_OPC_COMPARE = 0x05,
1730 : /* 0x06-0x07 - reserved */
1731 : SPDK_NVME_OPC_WRITE_ZEROES = 0x08,
1732 : SPDK_NVME_OPC_DATASET_MANAGEMENT = 0x09,
1733 :
1734 : SPDK_NVME_OPC_VERIFY = 0x0c,
1735 : SPDK_NVME_OPC_RESERVATION_REGISTER = 0x0d,
1736 : SPDK_NVME_OPC_RESERVATION_REPORT = 0x0e,
1737 :
1738 : SPDK_NVME_OPC_RESERVATION_ACQUIRE = 0x11,
1739 : SPDK_NVME_OPC_IO_MANAGEMENT_RECEIVE = 0x12,
1740 : SPDK_NVME_OPC_RESERVATION_RELEASE = 0x15,
1741 :
1742 : SPDK_NVME_OPC_COPY = 0x19,
1743 : SPDK_NVME_OPC_IO_MANAGEMENT_SEND = 0x1D,
1744 : };
1745 :
1746 : /**
1747 : * Zoned Namespace command set opcodes
1748 : *
1749 : * In addition to the opcodes of the NVM command set, the Zoned Namespace
1750 : * command set supports the following opcodes.
1751 : */
1752 : enum spdk_nvme_zns_opcode {
1753 : SPDK_NVME_OPC_ZONE_MGMT_SEND = 0x79,
1754 : SPDK_NVME_OPC_ZONE_MGMT_RECV = 0x7a,
1755 : SPDK_NVME_OPC_ZONE_APPEND = 0x7d,
1756 : };
1757 :
1758 : /**
1759 : * Data transfer (bits 1:0) of an NVMe opcode.
1760 : *
1761 : * \sa spdk_nvme_opc_get_data_transfer
1762 : */
1763 : enum spdk_nvme_data_transfer {
1764 : /** Opcode does not transfer data */
1765 : SPDK_NVME_DATA_NONE = 0,
1766 : /** Opcode transfers data from host to controller (e.g. Write) */
1767 : SPDK_NVME_DATA_HOST_TO_CONTROLLER = 1,
1768 : /** Opcode transfers data from controller to host (e.g. Read) */
1769 : SPDK_NVME_DATA_CONTROLLER_TO_HOST = 2,
1770 : /** Opcode transfers data both directions */
1771 : SPDK_NVME_DATA_BIDIRECTIONAL = 3
1772 : };
1773 :
1774 : /**
1775 : * Extract the Data Transfer bits from an NVMe opcode.
1776 : *
1777 : * This determines whether a command requires a data buffer and
1778 : * which direction (host to controller or controller to host) it is
1779 : * transferred.
1780 : */
1781 42 : static inline enum spdk_nvme_data_transfer spdk_nvme_opc_get_data_transfer(uint8_t opc)
1782 : {
1783 42 : return (enum spdk_nvme_data_transfer)(opc & 3);
1784 : }
1785 :
1786 : static inline uint32_t
1787 16 : spdk_nvme_bytes_to_numd(uint32_t len)
1788 : {
1789 16 : return (len >> 2) - 1;
1790 : }
1791 :
1792 : #pragma pack(push, 1)
1793 : struct spdk_nvme_host_behavior {
1794 : uint8_t acre;
1795 : uint8_t etdas;
1796 : uint8_t lbafee;
1797 : uint8_t reserved[509];
1798 : };
1799 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_host_behavior) == 512, "Incorrect size");
1800 : #pragma pack(pop)
1801 :
1802 : /**
1803 : * Supported FDP event descriptor
1804 : */
1805 : struct spdk_nvme_fdp_event_desc {
1806 : /* FDP Event type */
1807 : uint8_t fdp_etype;
1808 :
1809 : /* FDP event type attributes */
1810 : union {
1811 : uint8_t raw;
1812 : struct {
1813 : /* FDP event enabled */
1814 : uint8_t fdp_ee : 1;
1815 : uint8_t reserved : 7;
1816 : } bits;
1817 : } fdpeta;
1818 : };
1819 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_event_desc) == 2, "Incorrect size");
1820 :
1821 : /**
1822 : * Reclaim unit handle status descriptor
1823 : */
1824 : struct spdk_nvme_fdp_ruhs_desc {
1825 : /* Placement Identifier */
1826 : uint16_t pid;
1827 :
1828 : /* Reclaim Unit Handle Identifier */
1829 : uint16_t ruhid;
1830 :
1831 : /* Estimated Active Reclaim Unit Time Remaining */
1832 : uint32_t earutr;
1833 :
1834 : /* Reclaim Unit Available Media Writes */
1835 : uint64_t ruamw;
1836 :
1837 : uint8_t reserved[16];
1838 : };
1839 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_ruhs_desc) == 32, "Incorrect size");
1840 :
1841 : /**
1842 : * Reclaim unit handle status
1843 : */
1844 : struct spdk_nvme_fdp_ruhs {
1845 : uint8_t reserved[14];
1846 :
1847 : /* Number of Reclaim Unit Handle Status Descriptors */
1848 : uint16_t nruhsd;
1849 :
1850 : struct spdk_nvme_fdp_ruhs_desc ruhs_desc[];
1851 : };
1852 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_ruhs) == 16, "Incorrect size");
1853 :
1854 : /**
1855 : * Management operation to perform for IO management receive
1856 : */
1857 : enum spdk_nvme_fdp_mgmt_recv_mo {
1858 : SPDK_NVME_FDP_IO_MGMT_RECV_NA = 0x00,
1859 : SPDK_NVME_FDP_IO_MGMT_RECV_RUHS = 0x01,
1860 : /* 0x02-0xFE - reserved */
1861 : SPDK_NVME_FDP_IO_MGMT_RECV_VS = 0xFF,
1862 : };
1863 :
1864 : /**
1865 : * Management operation to perform for IO management send
1866 : */
1867 : enum spdk_nvme_fdp_mgmt_send_mo {
1868 : SPDK_NVME_FDP_IO_MGMT_SEND_NA = 0x00,
1869 : SPDK_NVME_FDP_IO_MGMT_SEND_RUHU = 0x01,
1870 : /* 0x02-0xFE - reserved */
1871 : SPDK_NVME_FDP_IO_MGMT_SEND_VS = 0xFF,
1872 : };
1873 :
1874 : enum spdk_nvme_feat {
1875 : /* 0x00 - reserved */
1876 :
1877 : /** cdw11 layout defined by \ref spdk_nvme_feat_arbitration */
1878 : SPDK_NVME_FEAT_ARBITRATION = 0x01,
1879 : /** cdw11 layout defined by \ref spdk_nvme_feat_power_management */
1880 : SPDK_NVME_FEAT_POWER_MANAGEMENT = 0x02,
1881 : /** cdw11 layout defined by \ref spdk_nvme_feat_lba_range_type */
1882 : SPDK_NVME_FEAT_LBA_RANGE_TYPE = 0x03,
1883 : /** cdw11 layout defined by \ref spdk_nvme_feat_temperature_threshold */
1884 : SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD = 0x04,
1885 : /** cdw11 layout defined by \ref spdk_nvme_feat_error_recovery */
1886 : SPDK_NVME_FEAT_ERROR_RECOVERY = 0x05,
1887 : /** cdw11 layout defined by \ref spdk_nvme_feat_volatile_write_cache */
1888 : SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE = 0x06,
1889 : /** cdw11 layout defined by \ref spdk_nvme_feat_number_of_queues */
1890 : SPDK_NVME_FEAT_NUMBER_OF_QUEUES = 0x07,
1891 : /** cdw11 layout defined by \ref spdk_nvme_feat_interrupt_coalescing */
1892 : SPDK_NVME_FEAT_INTERRUPT_COALESCING = 0x08,
1893 : /** cdw11 layout defined by \ref spdk_nvme_feat_interrupt_vector_configuration */
1894 : SPDK_NVME_FEAT_INTERRUPT_VECTOR_CONFIGURATION = 0x09,
1895 : /** cdw11 layout defined by \ref spdk_nvme_feat_write_atomicity */
1896 : SPDK_NVME_FEAT_WRITE_ATOMICITY = 0x0A,
1897 : /** cdw11 layout defined by \ref spdk_nvme_feat_async_event_configuration */
1898 : SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION = 0x0B,
1899 : /** cdw11 layout defined by \ref spdk_nvme_feat_autonomous_power_state_transition */
1900 : SPDK_NVME_FEAT_AUTONOMOUS_POWER_STATE_TRANSITION = 0x0C,
1901 : /** cdw11 layout defined by \ref spdk_nvme_feat_host_mem_buffer */
1902 : SPDK_NVME_FEAT_HOST_MEM_BUFFER = 0x0D,
1903 : SPDK_NVME_FEAT_TIMESTAMP = 0x0E,
1904 : /** cdw11 layout defined by \ref spdk_nvme_feat_keep_alive_timer */
1905 : SPDK_NVME_FEAT_KEEP_ALIVE_TIMER = 0x0F,
1906 : /** cdw11 layout defined by \ref spdk_nvme_feat_host_controlled_thermal_management */
1907 : SPDK_NVME_FEAT_HOST_CONTROLLED_THERMAL_MANAGEMENT = 0x10,
1908 : /** cdw11 layout defined by \ref spdk_nvme_feat_non_operational_power_state_config */
1909 : SPDK_NVME_FEAT_NON_OPERATIONAL_POWER_STATE_CONFIG = 0x11,
1910 :
1911 : SPDK_NVME_FEAT_READ_RECOVERY_LEVEL_CONFIG = 0x12,
1912 : SPDK_NVME_FEAT_PREDICTABLE_LATENCY_MODE_CONFIG = 0x13,
1913 : SPDK_NVME_FEAT_PREDICTABLE_LATENCY_MODE_WINDOW = 0x14,
1914 : SPDK_NVME_FEAT_LBA_STATUS_INFORMATION_ATTRIBUTES = 0x15,
1915 : /** data buffer layout defined by \ref spdk_nvme_host_behavior */
1916 : SPDK_NVME_FEAT_HOST_BEHAVIOR_SUPPORT = 0x16,
1917 : SPDK_NVME_FEAT_SANITIZE_CONFIG = 0x17,
1918 : SPDK_NVME_FEAT_ENDURANCE_GROUP_EVENT = 0x18,
1919 : SPDK_NVME_FEAT_IO_COMMAND_SET_PROFILE = 0x19,
1920 : SPDK_NVME_FEAT_SPINUP_CONTROL = 0x1A,
1921 : /* 0x1B-0x1C - reserved */
1922 :
1923 : /**
1924 : * cdw11 layout defined by \ref spdk_nvme_feat_fdp_cdw11
1925 : * cdw12 layout defined by \ref spdk_nvme_feat_fdp_cdw12
1926 : */
1927 : SPDK_NVME_FEAT_FDP = 0x1D,
1928 :
1929 : /**
1930 : * cdw11 layout defined by \ref spdk_nvme_feat_fdp_events_cdw11
1931 : * cdw12 layout defined by \ref spdk_nvme_feat_fdp_events_cdw12
1932 : * data layout defined by \ref spdk_nvme_fdp_event_desc
1933 : */
1934 : SPDK_NVME_FEAT_FDP_EVENTS = 0x1E,
1935 :
1936 : /* 0x1F-0x77 - reserved */
1937 : /* 0x78-0x7C - NVMe-MI features */
1938 : SPDK_NVME_FEAT_ENHANCED_CONTROLLER_METADATA = 0x7D,
1939 : SPDK_NVME_FEAT_CONTROLLER_METADATA = 0x7E,
1940 : SPDK_NVME_FEAT_NAMESPACE_METADATA = 0x7F,
1941 :
1942 : /** cdw11 layout defined by \ref spdk_nvme_feat_software_progress_marker */
1943 : SPDK_NVME_FEAT_SOFTWARE_PROGRESS_MARKER = 0x80,
1944 :
1945 : /** cdw11 layout defined by \ref spdk_nvme_feat_host_identifier */
1946 : SPDK_NVME_FEAT_HOST_IDENTIFIER = 0x81,
1947 : /** cdw11 layout defined by \ref spdk_nvme_feat_reservation_notification_mask */
1948 : SPDK_NVME_FEAT_HOST_RESERVE_MASK = 0x82,
1949 : /** cdw11 layout defined by \ref spdk_nvme_feat_reservation_persistence */
1950 : SPDK_NVME_FEAT_HOST_RESERVE_PERSIST = 0x83,
1951 : SPDK_NVME_FEAT_NAMESPACE_WRITE_PROTECTION_CONFIG = 0x84,
1952 :
1953 : /* 0x85-0xBF - command set specific (reserved) */
1954 :
1955 : /* 0xC0-0xFF - vendor specific */
1956 : };
1957 :
1958 : /** Bit set of attributes for DATASET MANAGEMENT commands. */
1959 : enum spdk_nvme_dsm_attribute {
1960 : SPDK_NVME_DSM_ATTR_INTEGRAL_READ = 0x1,
1961 : SPDK_NVME_DSM_ATTR_INTEGRAL_WRITE = 0x2,
1962 : SPDK_NVME_DSM_ATTR_DEALLOCATE = 0x4,
1963 : };
1964 :
1965 : struct spdk_nvme_power_state {
1966 : uint16_t mp; /* bits 15:00: maximum power */
1967 :
1968 : uint8_t reserved1;
1969 :
1970 : uint8_t mps : 1; /* bit 24: max power scale */
1971 : uint8_t nops : 1; /* bit 25: non-operational state */
1972 : uint8_t reserved2 : 6;
1973 :
1974 : uint32_t enlat; /* bits 63:32: entry latency in microseconds */
1975 : uint32_t exlat; /* bits 95:64: exit latency in microseconds */
1976 :
1977 : uint8_t rrt : 5; /* bits 100:96: relative read throughput */
1978 : uint8_t reserved3 : 3;
1979 :
1980 : uint8_t rrl : 5; /* bits 108:104: relative read latency */
1981 : uint8_t reserved4 : 3;
1982 :
1983 : uint8_t rwt : 5; /* bits 116:112: relative write throughput */
1984 : uint8_t reserved5 : 3;
1985 :
1986 : uint8_t rwl : 5; /* bits 124:120: relative write latency */
1987 : uint8_t reserved6 : 3;
1988 :
1989 : uint16_t idlp; /* bits 143:128: idle power */
1990 :
1991 : uint8_t reserved7 : 6;
1992 : uint8_t ips : 2; /* bits 151:150: idle power scale */
1993 :
1994 : uint8_t reserved8;
1995 :
1996 : uint16_t actp; /* bits 175:160: active power */
1997 :
1998 : uint8_t apw : 3; /* bits 178:176: active power workload */
1999 : uint8_t reserved9 : 3;
2000 : uint8_t aps : 2; /* bits 183:182: active power scale */
2001 :
2002 : uint8_t reserved10[9];
2003 : };
2004 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_power_state) == 32, "Incorrect size");
2005 :
2006 : /** Identify command CNS value */
2007 : enum spdk_nvme_identify_cns {
2008 : /** Identify namespace indicated in CDW1.NSID */
2009 : SPDK_NVME_IDENTIFY_NS = 0x00,
2010 :
2011 : /** Identify controller */
2012 : SPDK_NVME_IDENTIFY_CTRLR = 0x01,
2013 :
2014 : /** List active NSIDs greater than CDW1.NSID */
2015 : SPDK_NVME_IDENTIFY_ACTIVE_NS_LIST = 0x02,
2016 :
2017 : /** List namespace identification descriptors */
2018 : SPDK_NVME_IDENTIFY_NS_ID_DESCRIPTOR_LIST = 0x03,
2019 :
2020 : /** Identify namespace indicated in CDW1.NSID, specific to CDW11.CSI */
2021 : SPDK_NVME_IDENTIFY_NS_IOCS = 0x05,
2022 :
2023 : /** Identify controller, specific to CDW11.CSI */
2024 : SPDK_NVME_IDENTIFY_CTRLR_IOCS = 0x06,
2025 :
2026 : /** List active NSIDs greater than CDW1.NSID, specific to CDW11.CSI */
2027 : SPDK_NVME_IDENTIFY_ACTIVE_NS_LIST_IOCS = 0x07,
2028 :
2029 : /** List allocated NSIDs greater than CDW1.NSID */
2030 : SPDK_NVME_IDENTIFY_ALLOCATED_NS_LIST = 0x10,
2031 :
2032 : /** Identify namespace if CDW1.NSID is allocated */
2033 : SPDK_NVME_IDENTIFY_NS_ALLOCATED = 0x11,
2034 :
2035 : /** Get list of controllers starting at CDW10.CNTID that are attached to CDW1.NSID */
2036 : SPDK_NVME_IDENTIFY_NS_ATTACHED_CTRLR_LIST = 0x12,
2037 :
2038 : /** Get list of controllers starting at CDW10.CNTID */
2039 : SPDK_NVME_IDENTIFY_CTRLR_LIST = 0x13,
2040 :
2041 : /** Get primary controller capabilities structure */
2042 : SPDK_NVME_IDENTIFY_PRIMARY_CTRLR_CAP = 0x14,
2043 :
2044 : /** Get secondary controller list */
2045 : SPDK_NVME_IDENTIFY_SECONDARY_CTRLR_LIST = 0x15,
2046 :
2047 : /** List allocated NSIDs greater than CDW1.NSID, specific to CDW11.CSI */
2048 : SPDK_NVME_IDENTIFY_ALLOCATED_NS_LIST_IOCS = 0x1a,
2049 :
2050 : /** Identify namespace if CDW1.NSID is allocated, specific to CDWD11.CSI */
2051 : SPDK_NVME_IDENTIFY_NS_ALLOCATED_IOCS = 0x1b,
2052 :
2053 : /** Identify I/O Command Sets */
2054 : SPDK_NVME_IDENTIFY_IOCS = 0x1c,
2055 : };
2056 :
2057 : /** NVMe over Fabrics controller model */
2058 : enum spdk_nvmf_ctrlr_model {
2059 : /** NVM subsystem uses dynamic controller model */
2060 : SPDK_NVMF_CTRLR_MODEL_DYNAMIC = 0,
2061 :
2062 : /** NVM subsystem uses static controller model */
2063 : SPDK_NVMF_CTRLR_MODEL_STATIC = 1,
2064 : };
2065 :
2066 : #define SPDK_NVME_CTRLR_SN_LEN 20
2067 : #define SPDK_NVME_CTRLR_MN_LEN 40
2068 : #define SPDK_NVME_CTRLR_FR_LEN 8
2069 : #define SPDK_NVME_CTRLR_MEGCAP_LEN 16
2070 :
2071 : /** Identify Controller data sgls.supported values */
2072 : enum spdk_nvme_sgls_supported {
2073 : /** SGLs are not supported */
2074 : SPDK_NVME_SGLS_NOT_SUPPORTED = 0,
2075 :
2076 : /** SGLs are supported with no alignment or granularity requirement. */
2077 : SPDK_NVME_SGLS_SUPPORTED = 1,
2078 :
2079 : /** SGLs are supported with a DWORD alignment and granularity requirement. */
2080 : SPDK_NVME_SGLS_SUPPORTED_DWORD_ALIGNED = 2,
2081 : };
2082 :
2083 : /** Identify Controller data vwc.flush_broadcast values */
2084 : enum spdk_nvme_flush_broadcast {
2085 : /** Support for NSID=FFFFFFFFh with Flush is not indicated. */
2086 : SPDK_NVME_FLUSH_BROADCAST_NOT_INDICATED = 0,
2087 :
2088 : /* 01b: Reserved */
2089 :
2090 : /** Flush does not support NSID set to FFFFFFFFh. */
2091 : SPDK_NVME_FLUSH_BROADCAST_NOT_SUPPORTED = 2,
2092 :
2093 : /** Flush supports NSID set to FFFFFFFFh. */
2094 : SPDK_NVME_FLUSH_BROADCAST_SUPPORTED = 3
2095 : };
2096 :
2097 : #define SPDK_NVME_MAXDNA_FIELD_SIZE 16
2098 : #define SPDK_NVME_NQN_FIELD_SIZE 256
2099 :
2100 : /** Identify Controller data NVMe over Fabrics-specific fields */
2101 : struct spdk_nvme_cdata_nvmf_specific {
2102 : /** I/O queue command capsule supported size (16-byte units) */
2103 : uint32_t ioccsz;
2104 :
2105 : /** I/O queue response capsule supported size (16-byte units) */
2106 : uint32_t iorcsz;
2107 :
2108 : /** In-capsule data offset (16-byte units) */
2109 : uint16_t icdoff;
2110 :
2111 : /** Controller attributes */
2112 : struct {
2113 : /** Controller model: \ref spdk_nvmf_ctrlr_model */
2114 : uint8_t ctrlr_model : 1;
2115 : uint8_t reserved : 7;
2116 : } ctrattr;
2117 :
2118 : /** Maximum SGL block descriptors (0 = no limit) */
2119 : uint8_t msdbd;
2120 :
2121 : /** Optional fabric commands supported */
2122 : struct {
2123 : /** Support disconnect command and individual I/O queue deletion */
2124 : uint16_t disconnect : 1;
2125 : uint16_t reserved : 15;
2126 : } ofcs;
2127 :
2128 : uint8_t reserved[242];
2129 : };
2130 :
2131 : /** Identify Controller data SGL support */
2132 : struct spdk_nvme_cdata_sgls {
2133 : uint32_t supported : 2;
2134 : uint32_t keyed_sgl : 1;
2135 : uint32_t reserved1 : 13;
2136 : uint32_t bit_bucket_descriptor : 1;
2137 : uint32_t metadata_pointer : 1;
2138 : uint32_t oversized_sgl : 1;
2139 : uint32_t metadata_address : 1;
2140 : uint32_t sgl_offset : 1;
2141 : uint32_t transport_sgl : 1;
2142 : uint32_t reserved2 : 10;
2143 : };
2144 :
2145 : /** Identify Controller data Optional NVM Command Support */
2146 : struct spdk_nvme_cdata_oncs {
2147 : uint16_t compare : 1;
2148 : uint16_t write_unc : 1;
2149 : uint16_t dsm: 1;
2150 : uint16_t write_zeroes: 1;
2151 : uint16_t set_features_save: 1;
2152 : uint16_t reservations: 1;
2153 : uint16_t timestamp: 1;
2154 : uint16_t verify: 1;
2155 : uint16_t copy: 1;
2156 : uint16_t reserved9: 7;
2157 : };
2158 :
2159 : struct spdk_nvme_cdata_oacs {
2160 : /* supports security send/receive commands */
2161 : uint16_t security : 1;
2162 :
2163 : /* supports format nvm command */
2164 : uint16_t format : 1;
2165 :
2166 : /* supports firmware activate/download commands */
2167 : uint16_t firmware : 1;
2168 :
2169 : /* supports ns manage/ns attach commands */
2170 : uint16_t ns_manage : 1;
2171 :
2172 : /** Supports device self-test command (SPDK_NVME_OPC_DEVICE_SELF_TEST) */
2173 : uint16_t device_self_test : 1;
2174 :
2175 : /** Supports SPDK_NVME_OPC_DIRECTIVE_SEND and SPDK_NVME_OPC_DIRECTIVE_RECEIVE */
2176 : uint16_t directives : 1;
2177 :
2178 : /** Supports NVMe-MI (SPDK_NVME_OPC_NVME_MI_SEND, SPDK_NVME_OPC_NVME_MI_RECEIVE) */
2179 : uint16_t nvme_mi : 1;
2180 :
2181 : /** Supports SPDK_NVME_OPC_VIRTUALIZATION_MANAGEMENT */
2182 : uint16_t virtualization_management : 1;
2183 :
2184 : /** Supports SPDK_NVME_OPC_DOORBELL_BUFFER_CONFIG */
2185 : uint16_t doorbell_buffer_config : 1;
2186 :
2187 : /** Supports SPDK_NVME_OPC_GET_LBA_STATUS */
2188 : uint16_t get_lba_status : 1;
2189 :
2190 : /** Supports command and feature lockdown capability */
2191 : uint16_t command_feature_lockdown : 1;
2192 :
2193 : uint16_t oacs_rsvd : 5;
2194 : };
2195 :
2196 : struct spdk_nvme_cdata_fuses {
2197 : uint16_t compare_and_write : 1;
2198 : uint16_t reserved : 15;
2199 : };
2200 :
2201 : struct spdk_nvme_cdata_oaes {
2202 : uint32_t reserved1 : 8;
2203 :
2204 : /* Supports sending Namespace Attribute Notices. */
2205 : uint32_t ns_attribute_notices : 1;
2206 :
2207 : /* Supports sending Firmware Activation Notices. */
2208 : uint32_t fw_activation_notices : 1;
2209 :
2210 : uint32_t reserved2 : 1;
2211 :
2212 : /* Supports Asymmetric Namespace Access Change Notices. */
2213 : uint32_t ana_change_notices : 1;
2214 :
2215 : /* Supports Predictable Latency Event Aggregate Log Change Notices. */
2216 : uint32_t pleal_change_notices : 1;
2217 :
2218 : /* Supports LBA Status Information Alert Notices. */
2219 : uint32_t lba_sia_notices : 1;
2220 :
2221 : /* Supports Endurance Group Event Aggregate Log Page Change Notices. */
2222 : uint32_t egealp_change_notices : 1;
2223 :
2224 : /* Supports Normal NVM Subsystem Shutdown event. */
2225 : uint32_t nnvm_sse : 1;
2226 :
2227 : uint32_t reserved3 : 11;
2228 :
2229 : /* Supports Zone Descriptor Change Notices (refer to the ZNS Command Set specification) */
2230 : uint32_t zdes_change_notices : 1;
2231 :
2232 : uint32_t reserved4 : 3;
2233 :
2234 : /* Supports Discovery log change notices (refer to the NVMe over Fabrics specification) */
2235 : uint32_t discovery_log_change_notices : 1;
2236 : };
2237 :
2238 : union spdk_nvme_cdata_ctratt {
2239 : uint32_t raw;
2240 : struct {
2241 : /* Supports 128-bit host identifier */
2242 : uint32_t host_id_exhid_supported: 1;
2243 :
2244 : /* Supports non-operational power state permissive mode */
2245 : uint32_t non_operational_power_state_permissive_mode: 1;
2246 :
2247 : /* Supports NVM sets */
2248 : uint32_t nvm_sets: 1;
2249 :
2250 : /* Supports read recovery levels */
2251 : uint32_t read_recovery_levels: 1;
2252 :
2253 : /* Supports endurance groups */
2254 : uint32_t endurance_groups: 1;
2255 :
2256 : /* Supports predictable latency mode */
2257 : uint32_t predictable_latency_mode: 1;
2258 :
2259 : /* Supports traffic based keep alive */
2260 : uint32_t tbkas: 1;
2261 :
2262 : /* Supports reporting of namespace granularity */
2263 : uint32_t namespace_granularity: 1;
2264 :
2265 : /* Supports SQ associations */
2266 : uint32_t sq_associations: 1;
2267 :
2268 : /* Supports reporting of UUID list */
2269 : uint32_t uuid_list: 1;
2270 :
2271 : /* NVM subsystem supports multiple domains */
2272 : uint32_t mds: 1;
2273 :
2274 : /* Supports fixed capacity management */
2275 : uint32_t fixed_capacity_management: 1;
2276 :
2277 : /* Supports variable capacity management */
2278 : uint32_t variable_capacity_management: 1;
2279 :
2280 : /* Supports delete endurance group operation */
2281 : uint32_t delete_endurance_group: 1;
2282 :
2283 : /* Supports delete NVM set */
2284 : uint32_t delete_nvm_set: 1;
2285 :
2286 : /* Supports I/O command set specific extended PI formats */
2287 : uint32_t elbas: 1;
2288 :
2289 : uint32_t reserved1: 3;
2290 :
2291 : /* Supports flexible data placement */
2292 : uint32_t fdps: 1;
2293 :
2294 : uint32_t reserved2: 12;
2295 : } bits;
2296 : };
2297 :
2298 : #pragma pack(push, 1)
2299 : struct spdk_nvme_ctrlr_data {
2300 : /* bytes 0-255: controller capabilities and features */
2301 :
2302 : /** pci vendor id */
2303 : uint16_t vid;
2304 :
2305 : /** pci subsystem vendor id */
2306 : uint16_t ssvid;
2307 :
2308 : /** serial number */
2309 : int8_t sn[SPDK_NVME_CTRLR_SN_LEN];
2310 :
2311 : /** model number */
2312 : int8_t mn[SPDK_NVME_CTRLR_MN_LEN];
2313 :
2314 : /** firmware revision */
2315 : uint8_t fr[SPDK_NVME_CTRLR_FR_LEN];
2316 :
2317 : /** recommended arbitration burst */
2318 : uint8_t rab;
2319 :
2320 : /** ieee oui identifier */
2321 : uint8_t ieee[3];
2322 :
2323 : /** controller multi-path I/O and namespace sharing capabilities */
2324 : struct {
2325 : uint8_t multi_port : 1;
2326 : uint8_t multi_ctrlr : 1;
2327 : uint8_t sr_iov : 1;
2328 : uint8_t ana_reporting : 1;
2329 : uint8_t reserved : 4;
2330 : } cmic;
2331 :
2332 : /** maximum data transfer size */
2333 : uint8_t mdts;
2334 :
2335 : /** controller id */
2336 : uint16_t cntlid;
2337 :
2338 : /** version */
2339 : union spdk_nvme_vs_register ver;
2340 :
2341 : /** RTD3 resume latency */
2342 : uint32_t rtd3r;
2343 :
2344 : /** RTD3 entry latency */
2345 : uint32_t rtd3e;
2346 :
2347 : /** optional asynchronous events supported */
2348 : struct spdk_nvme_cdata_oaes oaes;
2349 :
2350 : /** controller attributes */
2351 : union spdk_nvme_cdata_ctratt ctratt;
2352 :
2353 : /** Read Recovery Levels Supported */
2354 : uint16_t rrls;
2355 :
2356 : uint8_t reserved_102[9];
2357 :
2358 : /** Controller Type */
2359 : uint8_t cntrltype;
2360 :
2361 : /** FRU globally unique identifier */
2362 : uint8_t fguid[16];
2363 :
2364 : /** Command Retry Delay Time 1, 2 and 3 */
2365 : uint16_t crdt[3];
2366 :
2367 : uint8_t reserved_134[119];
2368 :
2369 : /** NVM Subsystem Report */
2370 : struct {
2371 : /* NVM Subsystem part of NVMe storage device */
2372 : uint8_t nvmesd : 1;
2373 :
2374 : /* NVM Subsystem part of NVMe enclosure */
2375 : uint8_t nvmee : 1;
2376 :
2377 : uint8_t nvmsr_rsvd : 6;
2378 : } nvmsr;
2379 :
2380 : /** VPD Write Cycle Information */
2381 : struct {
2382 : /* VPD write cycles remaining */
2383 : uint8_t vwcr : 7;
2384 :
2385 : /* VPD write cycles remaining valid */
2386 : uint8_t vwcrv : 1;
2387 : } vwci;
2388 :
2389 : /** Management Endpoint Capabilities */
2390 : struct {
2391 : /* SMBus/I2C Port management endpoint */
2392 : uint8_t smbusme : 1;
2393 :
2394 : /* PCIe port management endpoint */
2395 : uint8_t pcieme : 1;
2396 :
2397 : uint8_t mec_rsvd : 6;
2398 : } mec;
2399 :
2400 : /* bytes 256-511: admin command set attributes */
2401 :
2402 : /** optional admin command support */
2403 : struct spdk_nvme_cdata_oacs oacs;
2404 :
2405 : /** abort command limit */
2406 : uint8_t acl;
2407 :
2408 : /** asynchronous event request limit */
2409 : uint8_t aerl;
2410 :
2411 : /** firmware updates */
2412 : struct {
2413 : /* first slot is read-only */
2414 : uint8_t slot1_ro : 1;
2415 :
2416 : /* number of firmware slots */
2417 : uint8_t num_slots : 3;
2418 :
2419 : /* support activation without reset */
2420 : uint8_t activation_without_reset : 1;
2421 :
2422 : /* Support multiple update detection */
2423 : uint8_t multiple_update_detection : 1;
2424 :
2425 : uint8_t frmw_rsvd : 2;
2426 : } frmw;
2427 :
2428 : /** log page attributes */
2429 : struct {
2430 : /* per namespace smart/health log page */
2431 : uint8_t ns_smart : 1;
2432 : /* command effects log page */
2433 : uint8_t celp : 1;
2434 : /* extended data for get log page */
2435 : uint8_t edlp: 1;
2436 : /* telemetry log pages and notices */
2437 : uint8_t telemetry : 1;
2438 : /* Persistent event log */
2439 : uint8_t pelp : 1;
2440 : /* Log pages log page */
2441 : uint8_t lplp : 1;
2442 : /* Data Area 4 for telemetry */
2443 : uint8_t da4_telemetry : 1;
2444 : uint8_t lpa_rsvd : 1;
2445 : } lpa;
2446 :
2447 : /** error log page entries */
2448 : uint8_t elpe;
2449 :
2450 : /** number of power states supported */
2451 : uint8_t npss;
2452 :
2453 : /** admin vendor specific command configuration */
2454 : struct {
2455 : /* admin vendor specific commands use disk format */
2456 : uint8_t spec_format : 1;
2457 :
2458 : uint8_t avscc_rsvd : 7;
2459 : } avscc;
2460 :
2461 : /** autonomous power state transition attributes */
2462 : struct {
2463 : /** controller supports autonomous power state transitions */
2464 : uint8_t supported : 1;
2465 :
2466 : uint8_t apsta_rsvd : 7;
2467 : } apsta;
2468 :
2469 : /** warning composite temperature threshold */
2470 : uint16_t wctemp;
2471 :
2472 : /** critical composite temperature threshold */
2473 : uint16_t cctemp;
2474 :
2475 : /** maximum time for firmware activation */
2476 : uint16_t mtfa;
2477 :
2478 : /** host memory buffer preferred size */
2479 : uint32_t hmpre;
2480 :
2481 : /** host memory buffer minimum size */
2482 : uint32_t hmmin;
2483 :
2484 : /** total NVM capacity */
2485 : uint64_t tnvmcap[2];
2486 :
2487 : /** unallocated NVM capacity */
2488 : uint64_t unvmcap[2];
2489 :
2490 : /** replay protected memory block support */
2491 : struct {
2492 : uint8_t num_rpmb_units : 3;
2493 : uint8_t auth_method : 3;
2494 : uint8_t reserved1 : 2;
2495 :
2496 : uint8_t reserved2;
2497 :
2498 : uint8_t total_size;
2499 : uint8_t access_size;
2500 : } rpmbs;
2501 :
2502 : /** extended device self-test time (in minutes) */
2503 : uint16_t edstt;
2504 :
2505 : /** device self-test options */
2506 : union {
2507 : uint8_t raw;
2508 : struct {
2509 : /** Device supports only one device self-test operation at a time */
2510 : uint8_t one_only : 1;
2511 :
2512 : uint8_t reserved : 7;
2513 : } bits;
2514 : } dsto;
2515 :
2516 : /**
2517 : * Firmware update granularity
2518 : *
2519 : * 4KB units
2520 : * 0x00 = no information provided
2521 : * 0xFF = no restriction
2522 : */
2523 : uint8_t fwug;
2524 :
2525 : /**
2526 : * Keep Alive Support
2527 : *
2528 : * Granularity of keep alive timer in 100 ms units
2529 : * 0 = keep alive not supported
2530 : */
2531 : uint16_t kas;
2532 :
2533 : /** Host controlled thermal management attributes */
2534 : union {
2535 : uint16_t raw;
2536 : struct {
2537 : uint16_t supported : 1;
2538 : uint16_t reserved : 15;
2539 : } bits;
2540 : } hctma;
2541 :
2542 : /** Minimum thermal management temperature */
2543 : uint16_t mntmt;
2544 :
2545 : /** Maximum thermal management temperature */
2546 : uint16_t mxtmt;
2547 :
2548 : /** Sanitize capabilities */
2549 : union {
2550 : uint32_t raw;
2551 : struct {
2552 : uint32_t crypto_erase : 1;
2553 : uint32_t block_erase : 1;
2554 : uint32_t overwrite : 1;
2555 : uint32_t reserved : 29;
2556 : } bits;
2557 : } sanicap;
2558 :
2559 : /** Host memory buffer minimum descriptor entry size */
2560 : uint32_t hmminds;
2561 :
2562 : /** Host memory maximum descriptor entries */
2563 : uint16_t hmmaxd;
2564 :
2565 : /** NVM set identifier maximum */
2566 : uint16_t nsetidmax;
2567 :
2568 : /** Endurance group identifier maximum */
2569 : uint16_t endgidmax;
2570 :
2571 : /** ANA transition time */
2572 : uint8_t anatt;
2573 :
2574 : /* bytes 343: Asymmetric namespace access capabilities */
2575 : struct {
2576 : uint8_t ana_optimized_state : 1;
2577 : uint8_t ana_non_optimized_state : 1;
2578 : uint8_t ana_inaccessible_state : 1;
2579 : uint8_t ana_persistent_loss_state : 1;
2580 : uint8_t ana_change_state : 1;
2581 : uint8_t reserved : 1;
2582 : uint8_t no_change_anagrpid : 1;
2583 : uint8_t non_zero_anagrpid : 1;
2584 : } anacap;
2585 :
2586 : /* bytes 344-347: ANA group identifier maximum */
2587 : uint32_t anagrpmax;
2588 : /* bytes 348-351: number of ANA group identifiers */
2589 : uint32_t nanagrpid;
2590 :
2591 : /* bytes 352-355: persistent event log size */
2592 : uint32_t pels;
2593 :
2594 : /* Domain identifier that contains this controller */
2595 : uint16_t domain_identifier;
2596 :
2597 : uint8_t reserved3[10];
2598 :
2599 : /* Maximum capacity of a single endurance group */
2600 : uint8_t megcap[SPDK_NVME_CTRLR_MEGCAP_LEN];
2601 :
2602 : /* bytes 384-511 */
2603 : uint8_t reserved384[128];
2604 :
2605 : /* bytes 512-703: nvm command set attributes */
2606 :
2607 : /** submission queue entry size */
2608 : struct {
2609 : uint8_t min : 4;
2610 : uint8_t max : 4;
2611 : } sqes;
2612 :
2613 : /** completion queue entry size */
2614 : struct {
2615 : uint8_t min : 4;
2616 : uint8_t max : 4;
2617 : } cqes;
2618 :
2619 : uint16_t maxcmd;
2620 :
2621 : /** number of namespaces */
2622 : uint32_t nn;
2623 :
2624 : /** optional nvm command support */
2625 : struct spdk_nvme_cdata_oncs oncs;
2626 :
2627 : /** fused operation support */
2628 : struct spdk_nvme_cdata_fuses fuses;
2629 :
2630 : /** format nvm attributes */
2631 : struct {
2632 : uint8_t format_all_ns: 1;
2633 : uint8_t erase_all_ns: 1;
2634 : uint8_t crypto_erase_supported: 1;
2635 : uint8_t reserved: 5;
2636 : } fna;
2637 :
2638 : /** volatile write cache */
2639 : struct {
2640 : uint8_t present : 1;
2641 : uint8_t flush_broadcast : 2;
2642 : uint8_t reserved : 5;
2643 : } vwc;
2644 :
2645 : /** atomic write unit normal */
2646 : uint16_t awun;
2647 :
2648 : /** atomic write unit power fail */
2649 : uint16_t awupf;
2650 :
2651 : /** NVM vendor specific command configuration */
2652 : uint8_t nvscc;
2653 :
2654 : /** Namespace Write Protection Capabilities */
2655 : uint8_t nwpc;
2656 :
2657 : /** atomic compare & write unit */
2658 : uint16_t acwu;
2659 :
2660 : /** optional copy formats supported */
2661 : struct {
2662 : uint16_t copy_format0 : 1;
2663 : uint16_t reserved1: 15;
2664 : } ocfs;
2665 :
2666 :
2667 : struct spdk_nvme_cdata_sgls sgls;
2668 :
2669 : /* maximum number of allowed namespaces */
2670 : uint32_t mnan;
2671 :
2672 : /* maximum domain namespace attachments */
2673 : uint8_t maxdna[SPDK_NVME_MAXDNA_FIELD_SIZE];
2674 :
2675 : /* maximum I/O controller namespace attachments */
2676 : uint32_t maxcna;
2677 :
2678 : uint8_t reserved4[204];
2679 :
2680 : uint8_t subnqn[SPDK_NVME_NQN_FIELD_SIZE];
2681 :
2682 : uint8_t reserved5[768];
2683 :
2684 : struct spdk_nvme_cdata_nvmf_specific nvmf_specific;
2685 :
2686 : /* bytes 2048-3071: power state descriptors */
2687 : struct spdk_nvme_power_state psd[32];
2688 :
2689 : /* bytes 3072-4095: vendor specific */
2690 : uint8_t vs[1024];
2691 : };
2692 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ctrlr_data) == 4096, "Incorrect size");
2693 : #pragma pack(pop)
2694 :
2695 : struct spdk_nvme_zns_ctrlr_data {
2696 : /** zone append size limit */
2697 : uint8_t zasl;
2698 :
2699 : uint8_t reserved1[4095];
2700 : };
2701 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_zns_ctrlr_data) == 4096, "Incorrect size");
2702 :
2703 : #pragma pack(push, 1)
2704 : struct spdk_nvme_primary_ctrl_capabilities {
2705 : /** controller id */
2706 : uint16_t cntlid;
2707 : /** port identifier */
2708 : uint16_t portid;
2709 : /** controller resource types */
2710 : struct {
2711 : uint8_t vq_supported : 1;
2712 : uint8_t vi_supported : 1;
2713 : uint8_t reserved : 6;
2714 : } crt;
2715 : uint8_t reserved[27];
2716 : /** total number of VQ flexible resources */
2717 : uint32_t vqfrt;
2718 : /** total number of VQ flexible resources assigned to secondary controllers */
2719 : uint32_t vqrfa;
2720 : /** total number of VQ flexible resources allocated to primary controller */
2721 : uint16_t vqrfap;
2722 : /** total number of VQ Private resources for the primary controller */
2723 : uint16_t vqprt;
2724 : /** max number of VQ flexible Resources that may be assigned to a secondary controller */
2725 : uint16_t vqfrsm;
2726 : /** preferred granularity of assigning and removing VQ Flexible Resources */
2727 : uint16_t vqgran;
2728 : uint8_t reserved1[16];
2729 : /** total number of VI flexible resources for the primary and its secondary controllers */
2730 : uint32_t vifrt;
2731 : /** total number of VI flexible resources assigned to the secondary controllers */
2732 : uint32_t virfa;
2733 : /** total number of VI flexible resources currently allocated to the primary controller */
2734 : uint16_t virfap;
2735 : /** total number of VI private resources for the primary controller */
2736 : uint16_t viprt;
2737 : /** max number of VI flexible resources that may be assigned to a secondary controller */
2738 : uint16_t vifrsm;
2739 : /** preferred granularity of assigning and removing VI flexible resources */
2740 : uint16_t vigran;
2741 : uint8_t reserved2[4016];
2742 : };
2743 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_primary_ctrl_capabilities) == 4096, "Incorrect size");
2744 :
2745 : struct spdk_nvme_secondary_ctrl_entry {
2746 : /** controller identifier of the secondary controller */
2747 : uint16_t scid;
2748 : /** controller identifier of the associated primary controller */
2749 : uint16_t pcid;
2750 : /** indicates the state of the secondary controller */
2751 : struct {
2752 : uint8_t is_online : 1;
2753 : uint8_t reserved : 7;
2754 : } scs;
2755 : uint8_t reserved[3];
2756 : /** VF number if the secondary controller is an SR-IOV VF */
2757 : uint16_t vfn;
2758 : /** number of VQ flexible resources assigned to the indicated secondary controller */
2759 : uint16_t nvq;
2760 : /** number of VI flexible resources assigned to the indicated secondary controller */
2761 : uint16_t nvi;
2762 : uint8_t reserved1[18];
2763 : };
2764 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_secondary_ctrl_entry) == 32, "Incorrect size");
2765 :
2766 : struct spdk_nvme_secondary_ctrl_list {
2767 : /** number of Secondary controller entries in the list */
2768 : uint8_t number;
2769 : uint8_t reserved[31];
2770 : struct spdk_nvme_secondary_ctrl_entry entries[127];
2771 : };
2772 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_secondary_ctrl_list) == 4096, "Incorrect size");
2773 : #pragma pack(pop)
2774 :
2775 : struct spdk_nvme_ns_data {
2776 : /** namespace size */
2777 : uint64_t nsze;
2778 :
2779 : /** namespace capacity */
2780 : uint64_t ncap;
2781 :
2782 : /** namespace utilization */
2783 : uint64_t nuse;
2784 :
2785 : /** namespace features */
2786 : struct {
2787 : /** thin provisioning */
2788 : uint8_t thin_prov : 1;
2789 :
2790 : /** NAWUN, NAWUPF, and NACWU are defined for this namespace */
2791 : uint8_t ns_atomic_write_unit : 1;
2792 :
2793 : /** Supports Deallocated or Unwritten LBA error for this namespace */
2794 : uint8_t dealloc_or_unwritten_error : 1;
2795 :
2796 : /** Non-zero NGUID and EUI64 for namespace are never reused */
2797 : uint8_t guid_never_reused : 1;
2798 :
2799 : /** Optimal Performance field */
2800 : uint8_t optperf : 1;
2801 :
2802 : uint8_t reserved1 : 3;
2803 : } nsfeat;
2804 :
2805 : /** number of lba formats */
2806 : uint8_t nlbaf;
2807 :
2808 : /** formatted lba size */
2809 : struct {
2810 : /** LSB for Format index */
2811 : uint8_t format : 4;
2812 : uint8_t extended : 1;
2813 : /** MSB for Format index, to be ignored if nlbaf <= 16 */
2814 : uint8_t msb_format : 2;
2815 : uint8_t reserved2 : 1;
2816 : } flbas;
2817 :
2818 : /** metadata capabilities */
2819 : struct {
2820 : /** metadata can be transferred as part of data prp list */
2821 : uint8_t extended : 1;
2822 :
2823 : /** metadata can be transferred with separate metadata pointer */
2824 : uint8_t pointer : 1;
2825 :
2826 : /** reserved */
2827 : uint8_t reserved3 : 6;
2828 : } mc;
2829 :
2830 : /** end-to-end data protection capabilities */
2831 : struct {
2832 : /** protection information type 1 */
2833 : uint8_t pit1 : 1;
2834 :
2835 : /** protection information type 2 */
2836 : uint8_t pit2 : 1;
2837 :
2838 : /** protection information type 3 */
2839 : uint8_t pit3 : 1;
2840 :
2841 : /** first eight bytes of metadata */
2842 : uint8_t md_start : 1;
2843 :
2844 : /** last eight bytes of metadata */
2845 : uint8_t md_end : 1;
2846 : } dpc;
2847 :
2848 : /** end-to-end data protection type settings */
2849 : struct {
2850 : /** protection information type */
2851 : uint8_t pit : 3;
2852 :
2853 : /** 1 == protection info transferred at start of metadata */
2854 : /** 0 == protection info transferred at end of metadata */
2855 : uint8_t md_start : 1;
2856 :
2857 : uint8_t reserved4 : 4;
2858 : } dps;
2859 :
2860 : /** namespace multi-path I/O and namespace sharing capabilities */
2861 : struct {
2862 : uint8_t can_share : 1;
2863 : uint8_t reserved : 7;
2864 : } nmic;
2865 :
2866 : /** reservation capabilities */
2867 : union {
2868 : struct {
2869 : /** supports persist through power loss */
2870 : uint8_t persist : 1;
2871 :
2872 : /** supports write exclusive */
2873 : uint8_t write_exclusive : 1;
2874 :
2875 : /** supports exclusive access */
2876 : uint8_t exclusive_access : 1;
2877 :
2878 : /** supports write exclusive - registrants only */
2879 : uint8_t write_exclusive_reg_only : 1;
2880 :
2881 : /** supports exclusive access - registrants only */
2882 : uint8_t exclusive_access_reg_only : 1;
2883 :
2884 : /** supports write exclusive - all registrants */
2885 : uint8_t write_exclusive_all_reg : 1;
2886 :
2887 : /** supports exclusive access - all registrants */
2888 : uint8_t exclusive_access_all_reg : 1;
2889 :
2890 : /** supports ignore existing key */
2891 : uint8_t ignore_existing_key : 1;
2892 : } rescap;
2893 : uint8_t raw;
2894 : } nsrescap;
2895 : /** format progress indicator */
2896 : struct {
2897 : uint8_t percentage_remaining : 7;
2898 : uint8_t fpi_supported : 1;
2899 : } fpi;
2900 :
2901 : /** deallocate logical features */
2902 : union {
2903 : uint8_t raw;
2904 : struct {
2905 : /**
2906 : * Value read from deallocated blocks
2907 : *
2908 : * 000b = not reported
2909 : * 001b = all bytes 0x00
2910 : * 010b = all bytes 0xFF
2911 : *
2912 : * \ref spdk_nvme_dealloc_logical_block_read_value
2913 : */
2914 : uint8_t read_value : 3;
2915 :
2916 : /** Supports Deallocate bit in Write Zeroes */
2917 : uint8_t write_zero_deallocate : 1;
2918 :
2919 : /**
2920 : * Guard field behavior for deallocated logical blocks
2921 : * 0: contains 0xFFFF
2922 : * 1: contains CRC for read value
2923 : */
2924 : uint8_t guard_value : 1;
2925 :
2926 : uint8_t reserved : 3;
2927 : } bits;
2928 : } dlfeat;
2929 :
2930 : /** namespace atomic write unit normal */
2931 : uint16_t nawun;
2932 :
2933 : /** namespace atomic write unit power fail */
2934 : uint16_t nawupf;
2935 :
2936 : /** namespace atomic compare & write unit */
2937 : uint16_t nacwu;
2938 :
2939 : /** namespace atomic boundary size normal */
2940 : uint16_t nabsn;
2941 :
2942 : /** namespace atomic boundary offset */
2943 : uint16_t nabo;
2944 :
2945 : /** namespace atomic boundary size power fail */
2946 : uint16_t nabspf;
2947 :
2948 : /** namespace optimal I/O boundary in logical blocks */
2949 : uint16_t noiob;
2950 :
2951 : /** NVM capacity */
2952 : uint64_t nvmcap[2];
2953 :
2954 : /** Namespace Preferred Write Granularity */
2955 : uint16_t npwg;
2956 :
2957 : /** Namespace Preferred Write Alignment */
2958 : uint16_t npwa;
2959 :
2960 : /** Namespace Preferred Deallocate Granularity */
2961 : uint16_t npdg;
2962 :
2963 : /** Namespace Preferred Deallocate Alignment */
2964 : uint16_t npda;
2965 :
2966 : /** Namespace Optimal Write Size */
2967 : uint16_t nows;
2968 :
2969 : /** Maximum Single Source Range Length */
2970 : uint16_t mssrl;
2971 :
2972 : /** Maximum Copy Length */
2973 : uint32_t mcl;
2974 :
2975 : /** Maximum Source Range Count */
2976 : uint8_t msrc;
2977 :
2978 : uint8_t reserved81[11];
2979 :
2980 : /** ANA group identifier */
2981 : uint32_t anagrpid;
2982 :
2983 : uint8_t reserved96[3];
2984 :
2985 : /** namespace attributes */
2986 : struct {
2987 : /** Namespace write protected */
2988 : uint8_t write_protected : 1;
2989 : uint8_t reserved : 7;
2990 : } nsattr;
2991 :
2992 : /** NVM Set Identifier */
2993 : uint16_t nvmsetid;
2994 :
2995 : /** Endurance group identifier */
2996 : uint16_t endgid;
2997 :
2998 : /** namespace globally unique identifier */
2999 : uint8_t nguid[16];
3000 :
3001 : /** IEEE extended unique identifier */
3002 : uint64_t eui64;
3003 :
3004 : /** lba format support */
3005 : struct {
3006 : /** metadata size */
3007 : uint32_t ms : 16;
3008 :
3009 : /** lba data size */
3010 : uint32_t lbads : 8;
3011 :
3012 : /** relative performance */
3013 : uint32_t rp : 2;
3014 :
3015 : uint32_t reserved6 : 6;
3016 : } lbaf[64];
3017 :
3018 : uint8_t vendor_specific[3712];
3019 : };
3020 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_data) == 4096, "Incorrect size");
3021 :
3022 : enum spdk_nvme_pi_format {
3023 : SPDK_NVME_16B_GUARD_PI = 0,
3024 : SPDK_NVME_32B_GUARD_PI = 1,
3025 : SPDK_NVME_64B_GUARD_PI = 2,
3026 : };
3027 :
3028 : struct spdk_nvme_nvm_ns_data {
3029 : /** logical block storage tag mask */
3030 : uint64_t lbstm;
3031 :
3032 : /** protection information capabilities */
3033 : struct {
3034 : /** 16b guard protection information storage tag support */
3035 : uint8_t _16bpists : 1;
3036 :
3037 : /** 16b guard protection information storage tag mask */
3038 : uint8_t _16bpistm : 1;
3039 :
3040 : /** storage tag check read support */
3041 : uint8_t stcrs : 1;
3042 :
3043 : uint8_t reserved : 5;
3044 : } pic;
3045 :
3046 : uint8_t reserved[3];
3047 :
3048 : struct {
3049 : /** storage tag size */
3050 : uint32_t sts : 7;
3051 :
3052 : /** protection information format */
3053 : uint32_t pif : 2;
3054 :
3055 : uint32_t reserved : 23;
3056 : } elbaf[64];
3057 :
3058 : uint8_t reserved2[3828];
3059 : };
3060 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_nvm_ns_data) == 4096, "Incorrect size");
3061 :
3062 : struct spdk_nvme_nvm_ctrlr_data {
3063 : /* verify size limit */
3064 : uint8_t vsl;
3065 :
3066 : /* write zeroes size limit */
3067 : uint8_t wzsl;
3068 :
3069 : /* write uncorrectable size limit */
3070 : uint8_t wusl;
3071 :
3072 : /* dataset management ranges limit */
3073 : uint8_t dmrl;
3074 :
3075 : /* dataset management range size limit */
3076 : uint32_t dmrsl;
3077 :
3078 : /* dataset management size limit */
3079 : uint64_t dmsl;
3080 :
3081 : uint8_t rsvd16[4080];
3082 : };
3083 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_nvm_ctrlr_data) == 4096, "Incorrect size");
3084 :
3085 : struct spdk_nvme_zns_ns_data {
3086 : /** zone operation characteristics */
3087 : struct {
3088 : uint16_t variable_zone_capacity : 1;
3089 : uint16_t zone_active_excursions : 1;
3090 : uint16_t reserved0 : 14;
3091 : } zoc;
3092 :
3093 : /** optional zoned command support */
3094 : struct {
3095 : uint16_t read_across_zone_boundaries : 1;
3096 : uint16_t reserved0 : 15;
3097 : } ozcs;
3098 :
3099 : /** maximum active resources */
3100 : uint32_t mar;
3101 :
3102 : /** maximum open resources */
3103 : uint32_t mor;
3104 :
3105 : /** reset recommended limit */
3106 : uint32_t rrl;
3107 :
3108 : /** finish recommended limit */
3109 : uint32_t frl;
3110 :
3111 : /** reset recommended limit 1 */
3112 : uint32_t rrl1;
3113 :
3114 : /** reset recommended limit 2 */
3115 : uint32_t rrl2;
3116 :
3117 : /** reset recommended limit 3 */
3118 : uint32_t rrl3;
3119 :
3120 : /** finish recommended limit 1 */
3121 : uint32_t frl1;
3122 :
3123 : /** finish recommended limit 2 */
3124 : uint32_t frl2;
3125 :
3126 : /** finish recommended limit 3 */
3127 : uint32_t frl3;
3128 :
3129 : uint8_t reserved44[2772];
3130 :
3131 : /** zns lba format extension support */
3132 : struct {
3133 : /** zone size */
3134 : uint64_t zsze;
3135 :
3136 : /** zone descriptor extension size */
3137 : uint64_t zdes : 8;
3138 :
3139 : uint64_t reserved15 : 56;
3140 : } lbafe[64];
3141 :
3142 : uint8_t vendor_specific[256];
3143 : };
3144 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_zns_ns_data) == 4096, "Incorrect size");
3145 :
3146 : /**
3147 : * IO command set vector for IDENTIFY_IOCS
3148 : */
3149 : struct spdk_nvme_iocs_vector {
3150 : uint8_t nvm : 1;
3151 : uint8_t kv : 1;
3152 : uint8_t zns : 1;
3153 : uint8_t rsvd : 5;
3154 : uint8_t rsvd2[7];
3155 : };
3156 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_iocs_vector) == 8, "Incorrect size");
3157 :
3158 : /**
3159 : * Deallocated logical block features - read value
3160 : */
3161 : enum spdk_nvme_dealloc_logical_block_read_value {
3162 : /** Not reported */
3163 : SPDK_NVME_DEALLOC_NOT_REPORTED = 0,
3164 :
3165 : /** Deallocated blocks read 0x00 */
3166 : SPDK_NVME_DEALLOC_READ_00 = 1,
3167 :
3168 : /** Deallocated blocks read 0xFF */
3169 : SPDK_NVME_DEALLOC_READ_FF = 2,
3170 : };
3171 :
3172 : /**
3173 : * Reservation Type Encoding
3174 : */
3175 : enum spdk_nvme_reservation_type {
3176 : /* 0x00 - reserved */
3177 :
3178 : /* Write Exclusive Reservation */
3179 : SPDK_NVME_RESERVE_WRITE_EXCLUSIVE = 0x1,
3180 :
3181 : /* Exclusive Access Reservation */
3182 : SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS = 0x2,
3183 :
3184 : /* Write Exclusive - Registrants Only Reservation */
3185 : SPDK_NVME_RESERVE_WRITE_EXCLUSIVE_REG_ONLY = 0x3,
3186 :
3187 : /* Exclusive Access - Registrants Only Reservation */
3188 : SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_REG_ONLY = 0x4,
3189 :
3190 : /* Write Exclusive - All Registrants Reservation */
3191 : SPDK_NVME_RESERVE_WRITE_EXCLUSIVE_ALL_REGS = 0x5,
3192 :
3193 : /* Exclusive Access - All Registrants Reservation */
3194 : SPDK_NVME_RESERVE_EXCLUSIVE_ACCESS_ALL_REGS = 0x6,
3195 :
3196 : /* 0x7-0xFF - Reserved */
3197 : };
3198 :
3199 : struct spdk_nvme_reservation_acquire_data {
3200 : /** current reservation key */
3201 : uint64_t crkey;
3202 : /** preempt reservation key */
3203 : uint64_t prkey;
3204 : };
3205 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_reservation_acquire_data) == 16, "Incorrect size");
3206 :
3207 : /**
3208 : * Reservation Acquire action
3209 : */
3210 : enum spdk_nvme_reservation_acquire_action {
3211 : SPDK_NVME_RESERVE_ACQUIRE = 0x0,
3212 : SPDK_NVME_RESERVE_PREEMPT = 0x1,
3213 : SPDK_NVME_RESERVE_PREEMPT_ABORT = 0x2,
3214 : };
3215 :
3216 : #pragma pack(push, 1)
3217 : struct spdk_nvme_reservation_status_data {
3218 : /** reservation action generation counter */
3219 : uint32_t gen;
3220 : /** reservation type */
3221 : uint8_t rtype;
3222 : /** number of registered controllers */
3223 : uint16_t regctl;
3224 : uint16_t reserved1;
3225 : /** persist through power loss state */
3226 : uint8_t ptpls;
3227 : uint8_t reserved[14];
3228 : };
3229 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_reservation_status_data) == 24, "Incorrect size");
3230 :
3231 : struct spdk_nvme_reservation_status_extended_data {
3232 : struct spdk_nvme_reservation_status_data data;
3233 : uint8_t reserved[40];
3234 : };
3235 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_reservation_status_extended_data) == 64,
3236 : "Incorrect size");
3237 :
3238 : struct spdk_nvme_registered_ctrlr_data {
3239 : /** controller id */
3240 : uint16_t cntlid;
3241 : /** reservation status */
3242 : struct {
3243 : uint8_t status : 1;
3244 : uint8_t reserved1 : 7;
3245 : } rcsts;
3246 : uint8_t reserved2[5];
3247 : /** 64-bit host identifier */
3248 : uint64_t hostid;
3249 : /** reservation key */
3250 : uint64_t rkey;
3251 : };
3252 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_registered_ctrlr_data) == 24, "Incorrect size");
3253 :
3254 : struct spdk_nvme_registered_ctrlr_extended_data {
3255 : /** controller id */
3256 : uint16_t cntlid;
3257 : /** reservation status */
3258 : struct {
3259 : uint8_t status : 1;
3260 : uint8_t reserved1 : 7;
3261 : } rcsts;
3262 : uint8_t reserved2[5];
3263 : /** reservation key */
3264 : uint64_t rkey;
3265 : /** 128-bit host identifier */
3266 : uint8_t hostid[16];
3267 : uint8_t reserved3[32];
3268 : };
3269 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_registered_ctrlr_extended_data) == 64, "Incorrect size");
3270 : #pragma pack(pop)
3271 :
3272 : /**
3273 : * Change persist through power loss state for
3274 : * Reservation Register command
3275 : */
3276 : enum spdk_nvme_reservation_register_cptpl {
3277 : SPDK_NVME_RESERVE_PTPL_NO_CHANGES = 0x0,
3278 : SPDK_NVME_RESERVE_PTPL_CLEAR_POWER_ON = 0x2,
3279 : SPDK_NVME_RESERVE_PTPL_PERSIST_POWER_LOSS = 0x3,
3280 : };
3281 :
3282 : /**
3283 : * Registration action for Reservation Register command
3284 : */
3285 : enum spdk_nvme_reservation_register_action {
3286 : SPDK_NVME_RESERVE_REGISTER_KEY = 0x0,
3287 : SPDK_NVME_RESERVE_UNREGISTER_KEY = 0x1,
3288 : SPDK_NVME_RESERVE_REPLACE_KEY = 0x2,
3289 : };
3290 :
3291 : struct spdk_nvme_reservation_register_data {
3292 : /** current reservation key */
3293 : uint64_t crkey;
3294 : /** new reservation key */
3295 : uint64_t nrkey;
3296 : };
3297 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_reservation_register_data) == 16, "Incorrect size");
3298 :
3299 : struct spdk_nvme_reservation_key_data {
3300 : /** current reservation key */
3301 : uint64_t crkey;
3302 : };
3303 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_reservation_key_data) == 8, "Incorrect size");
3304 :
3305 : /**
3306 : * Reservation Release action
3307 : */
3308 : enum spdk_nvme_reservation_release_action {
3309 : SPDK_NVME_RESERVE_RELEASE = 0x0,
3310 : SPDK_NVME_RESERVE_CLEAR = 0x1,
3311 : };
3312 :
3313 : /**
3314 : * Reservation notification log page type
3315 : */
3316 : enum spdk_nvme_reservation_notification_log_page_type {
3317 : SPDK_NVME_RESERVATION_LOG_PAGE_EMPTY = 0x0,
3318 : SPDK_NVME_REGISTRATION_PREEMPTED = 0x1,
3319 : SPDK_NVME_RESERVATION_RELEASED = 0x2,
3320 : SPDK_NVME_RESERVATION_PREEMPTED = 0x3,
3321 : };
3322 :
3323 : /**
3324 : * Reservation notification log
3325 : */
3326 : struct spdk_nvme_reservation_notification_log {
3327 : /** 64-bit incrementing reservation notification log page count */
3328 : uint64_t log_page_count;
3329 : /** Reservation notification log page type */
3330 : uint8_t type;
3331 : /** Number of additional available reservation notification log pages */
3332 : uint8_t num_avail_log_pages;
3333 : uint8_t reserved[2];
3334 : uint32_t nsid;
3335 : uint8_t reserved1[48];
3336 : };
3337 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_reservation_notification_log) == 64, "Incorrect size");
3338 :
3339 : /* Mask Registration Preempted Notification */
3340 : #define SPDK_NVME_REGISTRATION_PREEMPTED_MASK (1U << 1)
3341 : /* Mask Reservation Released Notification */
3342 : #define SPDK_NVME_RESERVATION_RELEASED_MASK (1U << 2)
3343 : /* Mask Reservation Preempted Notification */
3344 : #define SPDK_NVME_RESERVATION_PREEMPTED_MASK (1U << 3)
3345 :
3346 : /**
3347 : * Log page identifiers for SPDK_NVME_OPC_GET_LOG_PAGE
3348 : */
3349 : enum spdk_nvme_log_page {
3350 : /** Supported log pages (optional) */
3351 : SPDK_NVME_LOG_SUPPORTED_LOG_PAGES = 0x00,
3352 :
3353 : /** Error information (mandatory) - \ref spdk_nvme_error_information_entry */
3354 : SPDK_NVME_LOG_ERROR = 0x01,
3355 :
3356 : /** SMART / health information (mandatory) - \ref spdk_nvme_health_information_page */
3357 : SPDK_NVME_LOG_HEALTH_INFORMATION = 0x02,
3358 :
3359 : /** Firmware slot information (mandatory) - \ref spdk_nvme_firmware_page */
3360 : SPDK_NVME_LOG_FIRMWARE_SLOT = 0x03,
3361 :
3362 : /** Changed namespace list (optional) */
3363 : SPDK_NVME_LOG_CHANGED_NS_LIST = 0x04,
3364 :
3365 : /** Command effects log (optional) */
3366 : SPDK_NVME_LOG_COMMAND_EFFECTS_LOG = 0x05,
3367 :
3368 : /** Device self test (optional) */
3369 : SPDK_NVME_LOG_DEVICE_SELF_TEST = 0x06,
3370 :
3371 : /** Host initiated telemetry log (optional) */
3372 : SPDK_NVME_LOG_TELEMETRY_HOST_INITIATED = 0x07,
3373 :
3374 : /** Controller initiated telemetry log (optional) */
3375 : SPDK_NVME_LOG_TELEMETRY_CTRLR_INITIATED = 0x08,
3376 :
3377 : /** Endurance group Information (optional) */
3378 : SPDK_NVME_LOG_ENDURANCE_GROUP_INFORMATION = 0x09,
3379 :
3380 : /** Predictable latency per NVM set (optional) */
3381 : SPDK_NVME_LOG_PREDICATBLE_LATENCY = 0x0A,
3382 :
3383 : /** Predictable latency event aggregate (optional) */
3384 : SPDK_NVME_LOG_PREDICTABLE_LATENCY_EVENT = 0x0B,
3385 :
3386 : /** Asymmetric namespace access log (optional) */
3387 : SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS = 0x0C,
3388 :
3389 : /** Persistent event log (optional) */
3390 : SPDK_NVME_LOG_PERSISTENT_EVENT_LOG = 0x0D,
3391 :
3392 : /* 0x0E NVM command set specific */
3393 :
3394 : /** Endurance group event aggregate (optional) */
3395 : SPDK_NVME_LOG_ENDURANCE_GROUP_EVENT = 0x0F,
3396 :
3397 : /** Media unit status (optional) */
3398 : SPDK_NVME_LOG_MEDIA_UNIT_STATUS = 0x10,
3399 :
3400 : /** Supported capacity configuration list (optional) */
3401 : SPDK_NVME_LOG_CAPACITY_CONFIGURATION_LIST = 0x11,
3402 :
3403 : /** Feature identifiers supported and effects (optional) */
3404 : SPDK_NVME_LOG_FEATURE_IDS_EFFECTS = 0x12,
3405 :
3406 : /** NVMe-MI commands supported and effects (optional) */
3407 : SPDK_NVME_LOG_NVME_MI_COMMANDS_EFFECTS = 0x13,
3408 :
3409 : /** Command and feature lockdown (optional) */
3410 : SPDK_NVME_LOG_COMMAND_FEATURE_LOCKDOWN = 0x14,
3411 :
3412 : /** Boot partition (optional) */
3413 : SPDK_NVME_LOG_BOOT_PARTITION = 0x15,
3414 :
3415 : /** Rotational media information (optional) */
3416 : SPDK_NVME_LOG_ROTATIONAL_MEDIA_INFORMATION = 0x16,
3417 :
3418 : /* 0x17-0x1f - reserved */
3419 :
3420 : /** FDP configurations (optional) */
3421 : SPDK_NVME_LOG_FDP_CONFIGURATIONS = 0x20,
3422 :
3423 : /** Reclaim unit handle usage (optional) */
3424 : SPDK_NVME_LOG_RECLAIM_UNIT_HANDLE_USAGE = 0x21,
3425 :
3426 : /** FDP statistics (optional) */
3427 : SPDK_NVME_LOG_FDP_STATISTICS = 0x22,
3428 :
3429 : /** FDP events (optional) */
3430 : SPDK_NVME_LOG_FDP_EVENTS = 0x23,
3431 :
3432 : /* 0x24-0x6f - reserved */
3433 :
3434 : /** Discovery(refer to the NVMe over Fabrics specification) */
3435 : SPDK_NVME_LOG_DISCOVERY = 0x70,
3436 :
3437 : /* 0x71-0x7f - reserved for NVMe over Fabrics */
3438 :
3439 : /** Reservation notification (optional) */
3440 : SPDK_NVME_LOG_RESERVATION_NOTIFICATION = 0x80,
3441 :
3442 : /** Sanitize status (optional) */
3443 : SPDK_NVME_LOG_SANITIZE_STATUS = 0x81,
3444 :
3445 : /* 0x82-0xBE - I/O command set specific */
3446 :
3447 : /** Changed zone list (refer to Zoned Namespace command set) */
3448 : SPDK_NVME_LOG_CHANGED_ZONE_LIST = 0xBF,
3449 :
3450 : /* 0xC0-0xFF - vendor specific */
3451 : SPDK_NVME_LOG_VENDOR_SPECIFIC_START = 0xc0,
3452 : SPDK_NVME_LOG_VENDOR_SPECIFIC_END = 0xff,
3453 : };
3454 :
3455 : #define spdk_nvme_log_page_is_vendor_specific(lid) ((lid) >= SPDK_NVME_LOG_VENDOR_SPECIFIC_START)
3456 :
3457 : /**
3458 : * Error information log page (\ref SPDK_NVME_LOG_ERROR)
3459 : */
3460 : struct spdk_nvme_error_information_entry {
3461 : uint64_t error_count;
3462 : uint16_t sqid;
3463 : uint16_t cid;
3464 : struct spdk_nvme_status status;
3465 : uint16_t error_location;
3466 : uint64_t lba;
3467 : uint32_t nsid;
3468 : uint8_t vendor_specific;
3469 : uint8_t trtype;
3470 : uint8_t reserved30[2];
3471 : uint64_t command_specific;
3472 : uint16_t trtype_specific;
3473 : uint8_t reserved42[22];
3474 : };
3475 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_error_information_entry) == 64, "Incorrect size");
3476 :
3477 : /**
3478 : * SMART / health information page (\ref SPDK_NVME_LOG_HEALTH_INFORMATION)
3479 : */
3480 : #pragma pack(push, 1)
3481 : struct spdk_nvme_health_information_page {
3482 : union spdk_nvme_critical_warning_state critical_warning;
3483 :
3484 : uint16_t temperature;
3485 : uint8_t available_spare;
3486 : uint8_t available_spare_threshold;
3487 : uint8_t percentage_used;
3488 :
3489 : uint8_t reserved[26];
3490 :
3491 : /*
3492 : * Note that the following are 128-bit values, but are
3493 : * defined as an array of 2 64-bit values.
3494 : */
3495 : /* Data Units Read is always in 512-byte units. */
3496 : uint64_t data_units_read[2];
3497 : /* Data Units Written is always in 512-byte units. */
3498 : uint64_t data_units_written[2];
3499 : /* For NVM command set, this includes Compare commands. */
3500 : uint64_t host_read_commands[2];
3501 : uint64_t host_write_commands[2];
3502 : /* Controller Busy Time is reported in minutes. */
3503 : uint64_t controller_busy_time[2];
3504 : uint64_t power_cycles[2];
3505 : uint64_t power_on_hours[2];
3506 : uint64_t unsafe_shutdowns[2];
3507 : uint64_t media_errors[2];
3508 : uint64_t num_error_info_log_entries[2];
3509 : /* Controller temperature related. */
3510 : uint32_t warning_temp_time;
3511 : uint32_t critical_temp_time;
3512 : uint16_t temp_sensor[8];
3513 :
3514 : uint8_t reserved2[296];
3515 : };
3516 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_health_information_page) == 512, "Incorrect size");
3517 : #pragma pack(pop)
3518 :
3519 : /* Commands Supported and Effects Data Structure */
3520 : struct spdk_nvme_cmds_and_effect_entry {
3521 : /** Command Supported */
3522 : uint16_t csupp : 1;
3523 :
3524 : /** Logic Block Content Change */
3525 : uint16_t lbcc : 1;
3526 :
3527 : /** Namespace Capability Change */
3528 : uint16_t ncc : 1;
3529 :
3530 : /** Namespace Inventory Change */
3531 : uint16_t nic : 1;
3532 :
3533 : /** Controller Capability Change */
3534 : uint16_t ccc : 1;
3535 :
3536 : uint16_t reserved1 : 11;
3537 :
3538 : /* Command Submission and Execution recommendation
3539 : * 000 - No command submission or execution restriction
3540 : * 001 - Submitted when there is no outstanding command to same NS
3541 : * 010 - Submitted when there is no outstanding command to any NS
3542 : * others - Reserved
3543 : * \ref command_submission_and_execution in section 5.14.1.5 NVMe Revision 1.3
3544 : */
3545 : uint16_t cse : 3;
3546 :
3547 : uint16_t reserved2 : 13;
3548 : };
3549 :
3550 : /* Commands Supported and Effects Log Page */
3551 : struct spdk_nvme_cmds_and_effect_log_page {
3552 : /** Commands Supported and Effects Data Structure for the Admin Commands */
3553 : struct spdk_nvme_cmds_and_effect_entry admin_cmds_supported[256];
3554 :
3555 : /** Commands Supported and Effects Data Structure for the IO Commands */
3556 : struct spdk_nvme_cmds_and_effect_entry io_cmds_supported[256];
3557 :
3558 : uint8_t reserved0[2048];
3559 : };
3560 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_cmds_and_effect_log_page) == 4096, "Incorrect size");
3561 :
3562 : /*
3563 : * Get Log Page – Telemetry Host/Controller Initiated Log (Log Identifiers 07h/08h)
3564 : */
3565 : struct spdk_nvme_telemetry_log_page_hdr {
3566 : /* Log page identifier */
3567 : uint8_t lpi;
3568 : uint8_t rsvd[4];
3569 : uint8_t ieee_oui[3];
3570 : /* Data area 1 last block */
3571 : uint16_t dalb1;
3572 : /* Data area 2 last block */
3573 : uint16_t dalb2;
3574 : /* Data area 3 last block */
3575 : uint16_t dalb3;
3576 : uint8_t rsvd1[368];
3577 : /* Controller initiated data avail */
3578 : uint8_t ctrlr_avail;
3579 : /* Controller initiated telemetry data generation */
3580 : uint8_t ctrlr_gen;
3581 : /* Reason identifier */
3582 : uint8_t rsnident[128];
3583 : uint8_t telemetry_datablock[0];
3584 : };
3585 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_telemetry_log_page_hdr) == 512, "Incorrect size");
3586 :
3587 : /**
3588 : * Sanitize Status Type
3589 : */
3590 : enum spdk_nvme_sanitize_status_type {
3591 : SPDK_NVME_NEVER_BEEN_SANITIZED = 0x0,
3592 : SPDK_NVME_RECENT_SANITIZE_SUCCESSFUL = 0x1,
3593 : SPDK_NVME_SANITIZE_IN_PROGRESS = 0x2,
3594 : SPDK_NVME_SANITIZE_FAILED = 0x3,
3595 : };
3596 :
3597 : /**
3598 : * Sanitize status sstat field
3599 : */
3600 : struct spdk_nvme_sanitize_status_sstat {
3601 : uint16_t status : 3;
3602 : uint16_t complete_pass : 5;
3603 : uint16_t global_data_erase : 1;
3604 : uint16_t reserved : 7;
3605 : };
3606 :
3607 : /**
3608 : * Sanitize log page
3609 : */
3610 : struct spdk_nvme_sanitize_status_log_page {
3611 : /* Sanitize progress */
3612 : uint16_t sprog;
3613 : /* Sanitize status */
3614 : struct spdk_nvme_sanitize_status_sstat sstat;
3615 : /* CDW10 of sanitize command */
3616 : uint32_t scdw10;
3617 : /* Estimated overwrite time in seconds */
3618 : uint32_t et_overwrite;
3619 : /* Estimated block erase time in seconds */
3620 : uint32_t et_block_erase;
3621 : /* Estimated crypto erase time in seconds */
3622 : uint32_t et_crypto_erase;
3623 : uint8_t reserved[492];
3624 : };
3625 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_sanitize_status_log_page) == 512, "Incorrect size");
3626 :
3627 : /**
3628 : * Asynchronous Event Type
3629 : */
3630 : enum spdk_nvme_async_event_type {
3631 : /* Error Status */
3632 : SPDK_NVME_ASYNC_EVENT_TYPE_ERROR = 0x0,
3633 : /* SMART/Health Status */
3634 : SPDK_NVME_ASYNC_EVENT_TYPE_SMART = 0x1,
3635 : /* Notice */
3636 : SPDK_NVME_ASYNC_EVENT_TYPE_NOTICE = 0x2,
3637 : /* 0x3 - 0x5 Reserved */
3638 :
3639 : /* I/O Command Set Specific Status */
3640 : SPDK_NVME_ASYNC_EVENT_TYPE_IO = 0x6,
3641 : /* Vendor Specific */
3642 : SPDK_NVME_ASYNC_EVENT_TYPE_VENDOR = 0x7,
3643 : };
3644 :
3645 : /**
3646 : * Asynchronous Event Information for Error Status
3647 : */
3648 : enum spdk_nvme_async_event_info_error {
3649 : /* Write to Invalid Doorbell Register */
3650 : SPDK_NVME_ASYNC_EVENT_WRITE_INVALID_DB = 0x0,
3651 : /* Invalid Doorbell Register Write Value */
3652 : SPDK_NVME_ASYNC_EVENT_INVALID_DB_WRITE = 0x1,
3653 : /* Diagnostic Failure */
3654 : SPDK_NVME_ASYNC_EVENT_DIAGNOSTIC_FAILURE = 0x2,
3655 : /* Persistent Internal Error */
3656 : SPDK_NVME_ASYNC_EVENT_PERSISTENT_INTERNAL = 0x3,
3657 : /* Transient Internal Error */
3658 : SPDK_NVME_ASYNC_EVENT_TRANSIENT_INTERNAL = 0x4,
3659 : /* Firmware Image Load Error */
3660 : SPDK_NVME_ASYNC_EVENT_FW_IMAGE_LOAD = 0x5,
3661 :
3662 : /* 0x6 - 0xFF Reserved */
3663 : };
3664 :
3665 : /**
3666 : * Asynchronous Event Information for SMART/Health Status
3667 : */
3668 : enum spdk_nvme_async_event_info_smart {
3669 : /* NVM Subsystem Reliability */
3670 : SPDK_NVME_ASYNC_EVENT_SUBSYSTEM_RELIABILITY = 0x0,
3671 : /* Temperature Threshold */
3672 : SPDK_NVME_ASYNC_EVENT_TEMPERATURE_THRESHOLD = 0x1,
3673 : /* Spare Below Threshold */
3674 : SPDK_NVME_ASYNC_EVENT_SPARE_BELOW_THRESHOLD = 0x2,
3675 :
3676 : /* 0x3 - 0xFF Reserved */
3677 : };
3678 :
3679 : /**
3680 : * Asynchronous Event Information for Notice
3681 : */
3682 : enum spdk_nvme_async_event_info_notice {
3683 : /* Namespace Attribute Changed */
3684 : SPDK_NVME_ASYNC_EVENT_NS_ATTR_CHANGED = 0x0,
3685 : /* Firmware Activation Starting */
3686 : SPDK_NVME_ASYNC_EVENT_FW_ACTIVATION_START = 0x1,
3687 : /* Telemetry Log Changed */
3688 : SPDK_NVME_ASYNC_EVENT_TELEMETRY_LOG_CHANGED = 0x2,
3689 : /* Asymmetric Namespace Access Change */
3690 : SPDK_NVME_ASYNC_EVENT_ANA_CHANGE = 0x3,
3691 :
3692 : /* 0x4 - 0xEF Reserved */
3693 :
3694 : /** Discovery log change event(refer to the NVMe over Fabrics specification) */
3695 : SPDK_NVME_ASYNC_EVENT_DISCOVERY_LOG_CHANGE = 0xF0,
3696 :
3697 : /* 0xF1 - 0xFF Reserved */
3698 : };
3699 :
3700 : /**
3701 : * Asynchronous Event Information for NVM Command Set Specific Status
3702 : */
3703 : enum spdk_nvme_async_event_info_nvm_command_set {
3704 : /* Reservation Log Page Available */
3705 : SPDK_NVME_ASYNC_EVENT_RESERVATION_LOG_AVAIL = 0x0,
3706 : /* Sanitize Operation Completed */
3707 : SPDK_NVME_ASYNC_EVENT_SANITIZE_COMPLETED = 0x1,
3708 :
3709 : /* 0x2 - 0xFF Reserved */
3710 : };
3711 :
3712 : /**
3713 : * Asynchronous Event Request Completion
3714 : */
3715 : union spdk_nvme_async_event_completion {
3716 : uint32_t raw;
3717 : struct {
3718 : uint32_t async_event_type : 3;
3719 : uint32_t reserved1 : 5;
3720 : uint32_t async_event_info : 8;
3721 : uint32_t log_page_identifier : 8;
3722 : uint32_t reserved2 : 8;
3723 : } bits;
3724 : };
3725 : SPDK_STATIC_ASSERT(sizeof(union spdk_nvme_async_event_completion) == 4, "Incorrect size");
3726 :
3727 : /**
3728 : * Firmware slot information page (\ref SPDK_NVME_LOG_FIRMWARE_SLOT)
3729 : */
3730 : struct spdk_nvme_firmware_page {
3731 : struct {
3732 : uint8_t active_slot : 3; /**< Slot for current FW */
3733 : uint8_t reserved3 : 1;
3734 : uint8_t next_reset_slot : 3; /**< Slot that will be active at next controller reset */
3735 : uint8_t reserved7 : 1;
3736 : } afi;
3737 :
3738 : uint8_t reserved[7];
3739 : uint8_t revision[7][8]; /** Revisions for 7 slots (ASCII strings) */
3740 : uint8_t reserved2[448];
3741 : };
3742 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_firmware_page) == 512, "Incorrect size");
3743 :
3744 : /**
3745 : * Asymmetric Namespace Access page (\ref SPDK_NVME_LOG_ASYMMETRIC_NAMESPACE_ACCESS)
3746 : */
3747 : struct spdk_nvme_ana_page {
3748 : uint64_t change_count;
3749 : uint16_t num_ana_group_desc;
3750 : uint8_t reserved[6];
3751 : };
3752 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ana_page) == 16, "Incorrect size");
3753 :
3754 : /* Asymmetric namespace access state */
3755 : enum spdk_nvme_ana_state {
3756 : SPDK_NVME_ANA_OPTIMIZED_STATE = 0x1,
3757 : SPDK_NVME_ANA_NON_OPTIMIZED_STATE = 0x2,
3758 : SPDK_NVME_ANA_INACCESSIBLE_STATE = 0x3,
3759 : SPDK_NVME_ANA_PERSISTENT_LOSS_STATE = 0x4,
3760 : SPDK_NVME_ANA_CHANGE_STATE = 0xF,
3761 : };
3762 :
3763 : /* ANA group descriptor */
3764 : struct spdk_nvme_ana_group_descriptor {
3765 : uint32_t ana_group_id;
3766 : uint32_t num_of_nsid;
3767 : uint64_t change_count;
3768 :
3769 : uint8_t ana_state : 4;
3770 : uint8_t reserved0 : 4;
3771 :
3772 : uint8_t reserved1[15];
3773 :
3774 : uint32_t nsid[];
3775 : };
3776 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ana_group_descriptor) == 32, "Incorrect size");
3777 :
3778 : /* Reclaim unit handle type */
3779 : enum spdk_nvme_fdp_ruh_type {
3780 : /* 0x0 Reserved */
3781 :
3782 : /* Reclaim unit handle type initially isolated */
3783 : SPDK_NVME_FDP_RUHT_INITIALLY_ISOLATED = 0x1,
3784 : /* Reclaim unit handle type persistently isolated */
3785 : SPDK_NVME_FDP_RUHT_PERSISTENTLY_ISOLATED = 0x2,
3786 :
3787 : /* 0x3 - 0xBF Reserved */
3788 :
3789 : /* 0xC0 - 0xFF Vendor specific */
3790 : };
3791 :
3792 : /* Reclaim unit handle descriptor */
3793 : struct spdk_nvme_fdp_ruh_descriptor {
3794 : /* Reclaim unit handle type */
3795 : uint8_t ruht;
3796 : uint8_t reserved[3];
3797 : };
3798 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_ruh_descriptor) == 4, "Incorrect size");
3799 :
3800 : /* FDP configuration descriptor */
3801 : struct spdk_nvme_fdp_cfg_descriptor {
3802 : /* Descriptor size */
3803 : uint16_t ds;
3804 :
3805 : /* FDP attributes */
3806 : union {
3807 : uint8_t raw;
3808 : struct {
3809 : /* Reclaim group identifier format */
3810 : uint8_t rgif : 4;
3811 : /* FDP volatile write cache */
3812 : uint8_t fdpvwc : 1;
3813 : uint8_t rsvd1 : 2;
3814 : /* FDP configuration valid */
3815 : uint8_t fdpcv : 1;
3816 : } bits;
3817 : } fdpa;
3818 :
3819 : /* Vendor specific size */
3820 : uint8_t vss;
3821 : /* Number of reclaim groups */
3822 : uint32_t nrg;
3823 : /* Number of reclaim unit handles */
3824 : uint16_t nruh;
3825 : /* Max placement identifiers */
3826 : uint16_t maxpids;
3827 : /* Number of namespaces supported */
3828 : uint32_t nns;
3829 : /* Reclaim unit nominal size */
3830 : uint64_t runs;
3831 : /* Estimated reclaim unit time limit */
3832 : uint32_t erutl;
3833 : uint8_t rsvd28[36];
3834 : struct spdk_nvme_fdp_ruh_descriptor ruh_desc[];
3835 : };
3836 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_cfg_descriptor) == 64, "Incorrect size");
3837 :
3838 : /* FDP configurations log page (\ref SPDK_NVME_LOG_FDP_CONFIGURATIONS) */
3839 : struct spdk_nvme_fdp_cfg_log_page {
3840 : /* Number of FDP configurations */
3841 : uint16_t ncfg;
3842 : /* Version of log page */
3843 : uint8_t version;
3844 : uint8_t reserved1;
3845 : /* Size of this log page in bytes */
3846 : uint32_t size;
3847 : uint8_t reserved2[8];
3848 : struct spdk_nvme_fdp_cfg_descriptor cfg_desc[];
3849 : };
3850 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_cfg_log_page) == 16, "Incorrect size");
3851 :
3852 : /* Reclaim unit handle attributes */
3853 : enum spdk_nvme_fdp_ruh_attributes {
3854 : /* Not used by a namespace */
3855 : SPDK_NVME_FDP_RUHA_UNUSED = 0x0,
3856 : /* Use a specific reclaim unit handle */
3857 : SPDK_NVME_FDP_RUHA_HOST_SPECIFIED = 0x1,
3858 : /* Use the only default reclaim unit handle */
3859 : SPDK_NVME_FDP_RUHA_CTRLR_SPECIFIED = 0x2,
3860 :
3861 : /* 0x3 - 0xFF Reserved */
3862 : };
3863 :
3864 : /* Reclaim unit handle usage descriptor */
3865 : struct spdk_nvme_fdp_ruhu_descriptor {
3866 : /* Reclaim unit handle attributes */
3867 : uint8_t ruha;
3868 : uint8_t reserved[7];
3869 : };
3870 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_ruhu_descriptor) == 8, "Incorrect size");
3871 :
3872 : /* Reclaim unit handle usage log page (\ref SPDK_NVME_LOG_RECLAIM_UNIT_HANDLE_USAGE) */
3873 : struct spdk_nvme_fdp_ruhu_log_page {
3874 : /* Number of Reclaim Unit Handles */
3875 : uint16_t nruh;
3876 : uint8_t reserved[6];
3877 : struct spdk_nvme_fdp_ruhu_descriptor ruhu_desc[];
3878 : };
3879 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_ruhu_log_page) == 8, "Incorrect size");
3880 :
3881 : /* FDP statistics log page (\ref SPDK_NVME_LOG_FDP_STATISTICS) */
3882 : struct spdk_nvme_fdp_stats_log_page {
3883 : /* Host bytes with metadata written */
3884 : uint64_t hbmw[2];
3885 : /* Media bytes with metadata written */
3886 : uint64_t mbmw[2];
3887 : /* Media bytes erased */
3888 : uint64_t mbe[2];
3889 : uint8_t rsvd48[16];
3890 : };
3891 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_stats_log_page) == 64, "Incorrect size");
3892 :
3893 : /* FDP report event types (cdw10 log specific parameter) */
3894 : enum spdk_nvme_fdp_report_event_type {
3895 : /* Report FDP controller events */
3896 : SPDK_NVME_FDP_REPORT_CTRL_EVENTS = 0x0,
3897 : /* Report FDP host events */
3898 : SPDK_NVME_FDP_REPORT_HOST_EVENTS = 0x1,
3899 : };
3900 :
3901 : /* FDP event type */
3902 : enum spdk_nvme_fdp_event_type {
3903 : /* FDP host events */
3904 : /* Reclaim unit not fully written to capacity */
3905 : SPDK_NVME_FDP_EVENT_RU_NOT_WRITTEN_CAPACITY = 0x0,
3906 : /* Reclaim unit time limit exceeded */
3907 : SPDK_NVME_FDP_EVENT_RU_TIME_LIMIT_EXCEEDED = 0x1,
3908 : /* Controller reset modified reclaim unit handles */
3909 : SPDK_NVME_FDP_EVENT_CTRLR_RESET_MODIFY_RUH = 0x2,
3910 : /* Invalid placement identifier */
3911 : SPDK_NVME_FDP_EVENT_INVALID_PLACEMENT_ID = 0x3,
3912 :
3913 : /* 0x4 - 0x6F Reserved */
3914 :
3915 : /* 0x70 - 0x7F Vendor specific */
3916 :
3917 : /* FDP controller events */
3918 : /* Media reallocated */
3919 : SPDK_NVME_FDP_EVENT_MEDIA_REALLOCATED = 0x80,
3920 : /* Implicitly modified reclaim unit handle */
3921 : SPDK_NVME_FDP_EVENT_IMPLICIT_MODIFIED_RUH = 0x81,
3922 :
3923 : /* 0x82 - 0xEF Reserved */
3924 :
3925 : /* 0xF0 - 0xFF Vendor specific */
3926 : };
3927 :
3928 : /* Media reallocated */
3929 : #pragma pack(push, 1)
3930 : struct spdk_nvme_fdp_event_media_reallocated {
3931 : /* Specific event flags */
3932 : union {
3933 : uint8_t raw;
3934 : struct {
3935 : /* LBA valid */
3936 : uint8_t lbav : 1;
3937 : uint8_t reserved : 7;
3938 : } bits;
3939 : } sef;
3940 :
3941 : uint8_t reserved1;
3942 : /* Number of LBAs moved */
3943 : uint16_t nlbam;
3944 : /* Logical block address */
3945 : uint64_t lba;
3946 : uint8_t reserved2[4];
3947 : };
3948 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_event_media_reallocated) == 16, "Incorrect size");
3949 :
3950 : /* FDP event */
3951 : struct spdk_nvme_fdp_event {
3952 : /* Event type */
3953 : uint8_t etype;
3954 :
3955 : /* FDP event flags */
3956 : union {
3957 : uint8_t raw;
3958 : struct {
3959 : /* Placement identifier valid */
3960 : uint8_t piv : 1;
3961 : /* NSID valid */
3962 : uint8_t nsidv : 1;
3963 : /* Location valid */
3964 : uint8_t lv : 1;
3965 : uint8_t reserved : 5;
3966 : } bits;
3967 : } fdpef;
3968 :
3969 : /* Placement identifier */
3970 : uint16_t pid;
3971 : /* Event timestamp */
3972 : uint64_t timestamp;
3973 : /* Namespace identifier */
3974 : uint32_t nsid;
3975 : /* Event type specific */
3976 : uint64_t event_type_specific[2];
3977 : /* Reclaim group identifier */
3978 : uint16_t rgid;
3979 : /* Reclaim unit handle identifier */
3980 : uint16_t ruhid;
3981 : uint8_t reserved[4];
3982 : uint8_t vs[24];
3983 : };
3984 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_event) == 64, "Incorrect size");
3985 : #pragma pack(pop)
3986 :
3987 : /* FDP events log page (\ref SPDK_NVME_LOG_FDP_EVENTS) */
3988 : struct spdk_nvme_fdp_events_log_page {
3989 : /* Number of FDP events */
3990 : uint32_t nevents;
3991 : uint8_t reserved[60];
3992 : struct spdk_nvme_fdp_event event[];
3993 : };
3994 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fdp_events_log_page) == 64, "Incorrect size");
3995 :
3996 : /**
3997 : * Namespace attachment Type Encoding
3998 : */
3999 : enum spdk_nvme_ns_attach_type {
4000 : /* Controller attach */
4001 : SPDK_NVME_NS_CTRLR_ATTACH = 0x0,
4002 :
4003 : /* Controller detach */
4004 : SPDK_NVME_NS_CTRLR_DETACH = 0x1,
4005 :
4006 : /* 0x2-0xF - Reserved */
4007 : };
4008 :
4009 : /**
4010 : * Namespace management Type Encoding
4011 : */
4012 : enum spdk_nvme_ns_management_type {
4013 : /* Create */
4014 : SPDK_NVME_NS_MANAGEMENT_CREATE = 0x0,
4015 :
4016 : /* Delete */
4017 : SPDK_NVME_NS_MANAGEMENT_DELETE = 0x1,
4018 :
4019 : /* 0x2-0xF - Reserved */
4020 : };
4021 :
4022 : struct spdk_nvme_ns_list {
4023 : uint32_t ns_list[1024];
4024 : };
4025 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_list) == 4096, "Incorrect size");
4026 :
4027 : /**
4028 : * Namespace identification descriptor type
4029 : *
4030 : * \sa spdk_nvme_ns_id_desc
4031 : */
4032 : enum spdk_nvme_nidt {
4033 : /** IEEE Extended Unique Identifier */
4034 : SPDK_NVME_NIDT_EUI64 = 0x01,
4035 :
4036 : /** Namespace GUID */
4037 : SPDK_NVME_NIDT_NGUID = 0x02,
4038 :
4039 : /** Namespace UUID */
4040 : SPDK_NVME_NIDT_UUID = 0x03,
4041 :
4042 : /** Namespace Command Set Identifier */
4043 : SPDK_NVME_NIDT_CSI = 0x04,
4044 : };
4045 :
4046 : struct spdk_nvme_ns_id_desc {
4047 : /** Namespace identifier type */
4048 : uint8_t nidt;
4049 :
4050 : /** Namespace identifier length (length of nid field) */
4051 : uint8_t nidl;
4052 :
4053 : uint8_t reserved2;
4054 : uint8_t reserved3;
4055 :
4056 : /** Namespace identifier */
4057 : uint8_t nid[];
4058 : };
4059 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_id_desc) == 4, "Incorrect size");
4060 :
4061 : struct spdk_nvme_ctrlr_list {
4062 : uint16_t ctrlr_count;
4063 : uint16_t ctrlr_list[2047];
4064 : };
4065 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ctrlr_list) == 4096, "Incorrect size");
4066 :
4067 : enum spdk_nvme_csi {
4068 : SPDK_NVME_CSI_NVM = 0x0,
4069 : SPDK_NVME_CSI_KV = 0x1,
4070 : SPDK_NVME_CSI_ZNS = 0x2,
4071 : };
4072 :
4073 : enum spdk_nvme_secure_erase_setting {
4074 : SPDK_NVME_FMT_NVM_SES_NO_SECURE_ERASE = 0x0,
4075 : SPDK_NVME_FMT_NVM_SES_USER_DATA_ERASE = 0x1,
4076 : SPDK_NVME_FMT_NVM_SES_CRYPTO_ERASE = 0x2,
4077 : };
4078 :
4079 : enum spdk_nvme_pi_location {
4080 : SPDK_NVME_FMT_NVM_PROTECTION_AT_TAIL = 0x0,
4081 : SPDK_NVME_FMT_NVM_PROTECTION_AT_HEAD = 0x1,
4082 : };
4083 :
4084 : enum spdk_nvme_pi_type {
4085 : SPDK_NVME_FMT_NVM_PROTECTION_DISABLE = 0x0,
4086 : SPDK_NVME_FMT_NVM_PROTECTION_TYPE1 = 0x1,
4087 : SPDK_NVME_FMT_NVM_PROTECTION_TYPE2 = 0x2,
4088 : SPDK_NVME_FMT_NVM_PROTECTION_TYPE3 = 0x3,
4089 : };
4090 :
4091 : enum spdk_nvme_metadata_setting {
4092 : SPDK_NVME_FMT_NVM_METADATA_TRANSFER_AS_BUFFER = 0x0,
4093 : SPDK_NVME_FMT_NVM_METADATA_TRANSFER_AS_LBA = 0x1,
4094 : };
4095 :
4096 : /* Format - Command Dword 10 */
4097 : struct spdk_nvme_format {
4098 : /* LBA format lower (LSB 4 bits of format index), also called lbafl in 2.0 spec */
4099 : uint32_t lbaf : 4;
4100 : /* Metadata settings, also called mset in 2.0 spec */
4101 : uint32_t ms : 1;
4102 : /* Protection information */
4103 : uint32_t pi : 3;
4104 : /* Protection information location */
4105 : uint32_t pil : 1;
4106 : /* Secure erase settings */
4107 : uint32_t ses : 3;
4108 : /* LBA format upper (MSB 2 bits of format index) */
4109 : uint32_t lbafu : 2;
4110 : uint32_t reserved : 18;
4111 : };
4112 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_format) == 4, "Incorrect size");
4113 :
4114 : struct spdk_nvme_protection_info {
4115 : uint16_t guard;
4116 : uint16_t app_tag;
4117 : uint32_t ref_tag;
4118 : };
4119 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_protection_info) == 8, "Incorrect size");
4120 :
4121 : /* Data structures for sanitize command */
4122 : /* Sanitize - Command Dword 10 */
4123 : struct spdk_nvme_sanitize {
4124 : /* Sanitize Action (SANACT) */
4125 : uint32_t sanact : 3;
4126 : /* Allow Unrestricted Sanitize Exit (AUSE) */
4127 : uint32_t ause : 1;
4128 : /* Overwrite Pass Count (OWPASS) */
4129 : uint32_t owpass : 4;
4130 : /* Overwrite Invert Pattern Between Passes */
4131 : uint32_t oipbp : 1;
4132 : /* No Deallocate after sanitize (NDAS) */
4133 : uint32_t ndas : 1;
4134 : /* reserved */
4135 : uint32_t reserved : 22;
4136 : };
4137 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_sanitize) == 4, "Incorrect size");
4138 :
4139 : /* Sanitize Action */
4140 : enum spdk_sanitize_action {
4141 : /* Exit Failure Mode */
4142 : SPDK_NVME_SANITIZE_EXIT_FAILURE_MODE = 0x1,
4143 : /* Start a Block Erase sanitize operation */
4144 : SPDK_NVME_SANITIZE_BLOCK_ERASE = 0x2,
4145 : /* Start an Overwrite sanitize operation */
4146 : SPDK_NVME_SANITIZE_OVERWRITE = 0x3,
4147 : /* Start a Crypto Erase sanitize operation */
4148 : SPDK_NVME_SANITIZE_CRYPTO_ERASE = 0x4,
4149 : };
4150 :
4151 : /** Parameters for SPDK_NVME_OPC_FIRMWARE_COMMIT cdw10: commit action */
4152 : enum spdk_nvme_fw_commit_action {
4153 : /**
4154 : * Downloaded image replaces the image specified by
4155 : * the Firmware Slot field. This image is not activated.
4156 : */
4157 : SPDK_NVME_FW_COMMIT_REPLACE_IMG = 0x0,
4158 : /**
4159 : * Downloaded image replaces the image specified by
4160 : * the Firmware Slot field. This image is activated at the next reset.
4161 : */
4162 : SPDK_NVME_FW_COMMIT_REPLACE_AND_ENABLE_IMG = 0x1,
4163 : /**
4164 : * The image specified by the Firmware Slot field is
4165 : * activated at the next reset.
4166 : */
4167 : SPDK_NVME_FW_COMMIT_ENABLE_IMG = 0x2,
4168 : /**
4169 : * The image specified by the Firmware Slot field is
4170 : * requested to be activated immediately without reset.
4171 : */
4172 : SPDK_NVME_FW_COMMIT_RUN_IMG = 0x3,
4173 : /**
4174 : * Downloaded image replaces the Boot Partition specified by
4175 : * the Boot Partition ID field.
4176 : */
4177 : SPDK_NVME_FW_COMMIT_REPLACE_BOOT_PARTITION = 0x6,
4178 : /**
4179 : * Mark the Boot Partition specified in the BPID field as Active
4180 : * and update BPINFO.ABPID.
4181 : */
4182 : SPDK_NVME_FW_COMMIT_ACTIVATE_BOOT_PARTITION = 0x7,
4183 : };
4184 :
4185 : /** Parameters for SPDK_NVME_OPC_FIRMWARE_COMMIT cdw10 */
4186 : struct spdk_nvme_fw_commit {
4187 : /**
4188 : * Firmware Slot. Specifies the firmware slot that shall be used for the
4189 : * Commit Action. The controller shall choose the firmware slot (slot 1 - 7)
4190 : * to use for the operation if the value specified is 0h.
4191 : */
4192 : uint32_t fs : 3;
4193 : /**
4194 : * Commit Action. Specifies the action that is taken on the image downloaded
4195 : * with the Firmware Image Download command or on a previously downloaded and
4196 : * placed image.
4197 : */
4198 : uint32_t ca : 3;
4199 : uint32_t reserved : 25;
4200 : /**
4201 : * Boot Partition ID. Specifies the boot partition that shall be used for the
4202 : * Commit Action.
4203 : */
4204 : uint32_t bpid : 1;
4205 : };
4206 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fw_commit) == 4, "Incorrect size");
4207 :
4208 : /* ZNS Zone Send Action (ZSA) cdw13 */
4209 : enum spdk_nvme_zns_zone_send_action {
4210 : SPDK_NVME_ZONE_CLOSE = 0x1,
4211 : SPDK_NVME_ZONE_FINISH = 0x2,
4212 : SPDK_NVME_ZONE_OPEN = 0x3,
4213 : SPDK_NVME_ZONE_RESET = 0x4,
4214 : SPDK_NVME_ZONE_OFFLINE = 0x5,
4215 : SPDK_NVME_ZONE_SET_ZDE = 0x10,
4216 : };
4217 :
4218 : /* ZNS Zone Receive Action (ZRA) cdw13 */
4219 : enum spdk_nvme_zns_zone_receive_action {
4220 : SPDK_NVME_ZONE_REPORT = 0x0,
4221 : SPDK_NVME_ZONE_EXTENDED_REPORT = 0x1,
4222 : };
4223 :
4224 : enum spdk_nvme_zns_zra_report_opts {
4225 : SPDK_NVME_ZRA_LIST_ALL = 0x0,
4226 : SPDK_NVME_ZRA_LIST_ZSE = 0x1,
4227 : SPDK_NVME_ZRA_LIST_ZSIO = 0x2,
4228 : SPDK_NVME_ZRA_LIST_ZSEO = 0x3,
4229 : SPDK_NVME_ZRA_LIST_ZSC = 0x4,
4230 : SPDK_NVME_ZRA_LIST_ZSF = 0x5,
4231 : SPDK_NVME_ZRA_LIST_ZSRO = 0x6,
4232 : SPDK_NVME_ZRA_LIST_ZSO = 0x7,
4233 : };
4234 :
4235 : enum spdk_nvme_zns_zone_type {
4236 : SPDK_NVME_ZONE_TYPE_SEQWR = 0x2,
4237 : };
4238 :
4239 : enum spdk_nvme_zns_zone_state {
4240 : SPDK_NVME_ZONE_STATE_EMPTY = 0x1,
4241 : SPDK_NVME_ZONE_STATE_IOPEN = 0x2,
4242 : SPDK_NVME_ZONE_STATE_EOPEN = 0x3,
4243 : SPDK_NVME_ZONE_STATE_CLOSED = 0x4,
4244 : SPDK_NVME_ZONE_STATE_RONLY = 0xD,
4245 : SPDK_NVME_ZONE_STATE_FULL = 0xE,
4246 : SPDK_NVME_ZONE_STATE_OFFLINE = 0xF,
4247 : };
4248 :
4249 : struct spdk_nvme_zns_zone_desc {
4250 : /** Zone Type */
4251 : uint8_t zt : 4;
4252 :
4253 : uint8_t rsvd0 : 4;
4254 :
4255 : uint8_t rsvd1 : 4;
4256 :
4257 : /** Zone State */
4258 : uint8_t zs : 4;
4259 :
4260 : /**
4261 : * Zone Attributes
4262 : */
4263 : union {
4264 : uint8_t raw;
4265 :
4266 : struct {
4267 : /** Zone Finished by controller */
4268 : uint8_t zfc: 1;
4269 :
4270 : /** Finish Zone Recommended */
4271 : uint8_t fzr: 1;
4272 :
4273 : /** Reset Zone Recommended */
4274 : uint8_t rzr: 1;
4275 :
4276 : uint8_t rsvd3 : 4;
4277 :
4278 : /** Zone Descriptor Extension Valid */
4279 : uint8_t zdev: 1;
4280 : } bits;
4281 : } za;
4282 :
4283 : uint8_t reserved[5];
4284 :
4285 : /** Zone Capacity (in number of LBAs) */
4286 : uint64_t zcap;
4287 :
4288 : /** Zone Start LBA */
4289 : uint64_t zslba;
4290 :
4291 : /** Write Pointer (LBA) */
4292 : uint64_t wp;
4293 :
4294 : uint8_t reserved32[32];
4295 : };
4296 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_zns_zone_desc) == 64, "Incorrect size");
4297 :
4298 : struct spdk_nvme_zns_zone_report {
4299 : uint64_t nr_zones;
4300 : uint8_t reserved8[56];
4301 : struct spdk_nvme_zns_zone_desc descs[];
4302 : };
4303 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_zns_zone_report) == 64, "Incorrect size");
4304 :
4305 : /* Directives field */
4306 : enum spdk_nvme_directive_type {
4307 : SPDK_NVME_DIRECTIVE_TYPE_IDENTIFY = 0x0,
4308 : SPDK_NVME_DIRECTIVE_TYPE_STREAMS = 0x1,
4309 : SPDK_NVME_DIRECTIVE_TYPE_DATA_PLACEMENT = 0x2,
4310 : };
4311 :
4312 : enum spdk_nvme_identify_directive_send_operation {
4313 : SPDK_NVME_IDENTIFY_DIRECTIVE_SEND_ENABLED = 0x1,
4314 : };
4315 :
4316 : enum spdk_nvme_identify_directive_receive_operation {
4317 : SPDK_NVME_IDENTIFY_DIRECTIVE_RECEIVE_RETURN_PARAM = 0x1,
4318 : };
4319 :
4320 : struct spdk_nvme_ns_identify_directive_param {
4321 : struct {
4322 : /* set to 1b to indicate that the Identify Directive is supported */
4323 : uint8_t identify : 1;
4324 : /* set to 1b if the Streams Directive is supported */
4325 : uint8_t streams : 1;
4326 : /* set to 1b if the Data Placement Directive is supported */
4327 : uint8_t data_pd : 1;
4328 : uint8_t reserved1 : 5;
4329 : uint8_t reserved2[31];
4330 : } directives_supported;
4331 : struct {
4332 : /* set to 1b to indicate that the Identify Directive is enabled */
4333 : uint8_t identify : 1;
4334 : /* set to 1b if the Streams Directive is enabled */
4335 : uint8_t streams : 1;
4336 : /* set to 1b if the Data Placement Directive is enabled */
4337 : uint8_t data_pd : 1;
4338 : uint8_t reserved1 : 5;
4339 : uint8_t reserved2[31];
4340 : } directives_enabled;
4341 : struct {
4342 : /**
4343 : * cleared to 0b as the host is not able to change the state of
4344 : * Identify Directive
4345 : */
4346 : uint8_t identify : 1;
4347 : /**
4348 : * cleared to 0b to indicate that the Streams Directive state
4349 : * is not preserved across ctrl reset
4350 : */
4351 : uint8_t streams : 1;
4352 : /**
4353 : * set to 1b if the Data Placement Directive is supported to
4354 : * indicate that the host specified Data Placement Directive
4355 : * state is preserved across ctrl reset
4356 : */
4357 : uint8_t data_pd : 1;
4358 : uint8_t reserved1 : 5;
4359 : uint8_t reserved2[31];
4360 : } directives_persistence;
4361 :
4362 : uint32_t reserved[1000];
4363 : };
4364 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_identify_directive_param) == 4096, "Incorrect size");
4365 :
4366 : enum spdk_nvme_streams_directive_receive_operation {
4367 : SPDK_NVME_STREAMS_DIRECTIVE_RECEIVE_RETURN_PARAM = 0x1,
4368 : SPDK_NVME_STREAMS_DIRECTIVE_RECEIVE_GET_STATUS = 0x2,
4369 : SPDK_NVME_STREAMS_DIRECTIVE_RECEIVE_ALLOCATE_RESOURCE = 0x3,
4370 : };
4371 :
4372 : enum spdk_nvme_streams_directive_send_operation {
4373 : SPDK_NVME_STREAMS_DIRECTIVE_SEND_RELEASE_ID = 0x1,
4374 : SPDK_NVME_STREAMS_DIRECTIVE_SEND_RELEASE_RESOURCE = 0x2,
4375 : };
4376 :
4377 : struct spdk_nvme_ns_streams_data {
4378 : /* MAX Streams Limit */
4379 : uint16_t msl;
4380 : /* NVM Subsystem Streams Available */
4381 : uint16_t nssa;
4382 : /* NVM Subsystem Streams Open */
4383 : uint16_t nsso;
4384 : /* NVM Subsystem Stream Capability */
4385 : struct {
4386 : /* Stream ID may be shared by multiple host IDs if set to 1. */
4387 : uint8_t ssid : 1;
4388 : uint8_t reserved : 7;
4389 : } nssc;
4390 : uint8_t reserved1[9];
4391 : /* Namespace Specific Fields
4392 : * Stream Write Size */
4393 : uint32_t sws;
4394 : /* Stream Granularity Size */
4395 : uint16_t sgs;
4396 : /* Namespace and Host Identifier Specific Fields
4397 : * Namespace Streams Allocated */
4398 : uint16_t nsa;
4399 : /* Namespace Streams Open */
4400 : uint16_t nso;
4401 : uint8_t reserved2[6];
4402 : };
4403 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_streams_data) == 32, "Incorrect size");
4404 :
4405 : struct spdk_nvme_ns_streams_status {
4406 : /* Open Stream Count, this field specifies the number of streams that are currently open */
4407 : uint16_t open_streams_count;
4408 :
4409 : /* Stream Identifier, this field specifies the open stream identifier */
4410 : uint16_t stream_id[65535];
4411 : };
4412 : SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ns_streams_status) == 131072, "Incorrect size");
4413 :
4414 : enum spdk_nvme_ctrlr_type {
4415 : /* 0x00 - reserved */
4416 :
4417 : /* I/O Controller */
4418 : SPDK_NVME_CTRLR_IO = 0x1,
4419 :
4420 : /* Discovery Controller */
4421 : SPDK_NVME_CTRLR_DISCOVERY = 0x2,
4422 :
4423 : /* Administrative Controller */
4424 : SPDK_NVME_CTRLR_ADMINISTRATIVE = 0x3,
4425 :
4426 : /* 0x4-0xFF - Reserved */
4427 : };
4428 :
4429 : #define spdk_nvme_cpl_is_error(cpl) \
4430 : ((cpl)->status.sc != SPDK_NVME_SC_SUCCESS || \
4431 : (cpl)->status.sct != SPDK_NVME_SCT_GENERIC)
4432 :
4433 : #define spdk_nvme_cpl_is_success(cpl) (!spdk_nvme_cpl_is_error(cpl))
4434 :
4435 : #define spdk_nvme_cpl_is_pi_error(cpl) \
4436 : ((cpl)->status.sct == SPDK_NVME_SCT_MEDIA_ERROR && \
4437 : ((cpl)->status.sc == SPDK_NVME_SC_GUARD_CHECK_ERROR || \
4438 : (cpl)->status.sc == SPDK_NVME_SC_APPLICATION_TAG_CHECK_ERROR || \
4439 : (cpl)->status.sc == SPDK_NVME_SC_REFERENCE_TAG_CHECK_ERROR))
4440 :
4441 : #define spdk_nvme_cpl_is_abort_success(cpl) \
4442 : (spdk_nvme_cpl_is_success(cpl) && !((cpl)->cdw0 & 1U))
4443 :
4444 : #define spdk_nvme_cpl_is_path_error(cpl) \
4445 : ((cpl)->status.sct == SPDK_NVME_SCT_PATH)
4446 :
4447 : #define spdk_nvme_cpl_is_ana_error(cpl) \
4448 : ((cpl)->status.sct == SPDK_NVME_SCT_PATH && \
4449 : ((cpl)->status.sc == SPDK_NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS || \
4450 : (cpl)->status.sc == SPDK_NVME_SC_ASYMMETRIC_ACCESS_INACCESSIBLE || \
4451 : (cpl)->status.sc == SPDK_NVME_SC_ASYMMETRIC_ACCESS_TRANSITION))
4452 :
4453 : #define spdk_nvme_cpl_is_aborted_sq_deletion(cpl) \
4454 : ((cpl)->status.sct == SPDK_NVME_SCT_GENERIC && \
4455 : (cpl)->status.sc == SPDK_NVME_SC_ABORTED_SQ_DELETION)
4456 :
4457 : #define spdk_nvme_cpl_is_aborted_by_request(cpl) \
4458 : ((cpl)->status.sct == SPDK_NVME_SCT_GENERIC && \
4459 : (cpl)->status.sc == SPDK_NVME_SC_ABORTED_BY_REQUEST)
4460 :
4461 : /** Set fused operation */
4462 : #define SPDK_NVME_IO_FLAGS_FUSE_FIRST (SPDK_NVME_CMD_FUSE_FIRST << 0)
4463 : #define SPDK_NVME_IO_FLAGS_FUSE_SECOND (SPDK_NVME_CMD_FUSE_SECOND << 0)
4464 : #define SPDK_NVME_IO_FLAGS_FUSE_MASK (SPDK_NVME_CMD_FUSE_MASK << 0)
4465 :
4466 : /* Bits 20-31 of SPDK_NVME_IO_FLAGS map directly to their associated bits in
4467 : * cdw12 for NVMe IO commands
4468 : */
4469 : /** For enabling directive types on write-oriented commands */
4470 : #define SPDK_NVME_IO_FLAGS_DIRECTIVE(dtype) (dtype << 20)
4471 : #define SPDK_NVME_IO_FLAGS_STREAMS_DIRECTIVE \
4472 : SPDK_NVME_IO_FLAGS_DIRECTIVE(SPDK_NVME_DIRECTIVE_TYPE_STREAMS)
4473 : #define SPDK_NVME_IO_FLAGS_DATA_PLACEMENT_DIRECTIVE \
4474 : SPDK_NVME_IO_FLAGS_DIRECTIVE(SPDK_NVME_DIRECTIVE_TYPE_DATA_PLACEMENT)
4475 : /** Zone append specific, determines the contents of the reference tag written to the media */
4476 : #define SPDK_NVME_IO_FLAGS_ZONE_APPEND_PIREMAP (1U << 25)
4477 : /** Enable protection information checking of the Logical Block Reference Tag field */
4478 : #define SPDK_NVME_IO_FLAGS_PRCHK_REFTAG (1U << 26)
4479 : /** Enable protection information checking of the Application Tag field */
4480 : #define SPDK_NVME_IO_FLAGS_PRCHK_APPTAG (1U << 27)
4481 : /** Enable protection information checking of the Guard field */
4482 : #define SPDK_NVME_IO_FLAGS_PRCHK_GUARD (1U << 28)
4483 : /** The protection information is stripped or inserted when set this bit */
4484 : #define SPDK_NVME_IO_FLAGS_PRACT (1U << 29)
4485 : #define SPDK_NVME_IO_FLAGS_FORCE_UNIT_ACCESS (1U << 30)
4486 : #define SPDK_NVME_IO_FLAGS_LIMITED_RETRY (1U << 31)
4487 :
4488 : /** Mask of valid io flags mask */
4489 : #define SPDK_NVME_IO_FLAGS_VALID_MASK 0xFFFF0003
4490 : #define SPDK_NVME_IO_FLAGS_CDW12_MASK 0xFFFF0000
4491 :
4492 : /** Identify command buffer response size */
4493 : #define SPDK_NVME_IDENTIFY_BUFLEN 4096
4494 :
4495 : #ifdef __cplusplus
4496 : }
4497 : #endif
4498 :
4499 : #endif
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