xref: /illumos-gate/usr/src/uts/common/sys/nvme/ocp.h (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2024 Oxide Computer Company
14  */
15 
16 #ifndef _SYS_NVME_OCP_H
17 #define	_SYS_NVME_OCP_H
18 
19 /*
20  * This header defines vendor-specific NVMe interfaces and is not a committed
21  * interface. Its contents and existence are subject to change.
22  *
23  * This covers the OCP Datacenter NVMe SSD Specification versions 2.0 and 2.5.
24  * Version 1.0 of this specification was previously called the OCP NVMe Cloud
25  * SSD Specification.
26  */
27 
28 #include <sys/isa_defs.h>
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 typedef enum {
35 	/*
36 	 * This is the OCP variant of SMART information. Present since v1.0.
37 	 * Scoped to the NVM subsystem. Tracked by the ocp_vul_smart_t.
38 	 */
39 	OCP_LOG_DSSD_SMART	= 0xc0,
40 	/*
41 	 * Error recovery information. Present since v1.0. Scoped to the NVM
42 	 * subsystem.
43 	 */
44 	OCP_LOG_DSSD_ERROR_REC	= 0xc1,
45 	/*
46 	 * This log page covers firmware activation history. It was added in
47 	 * v1.0 of the specification, but v2.5 removed this as obsolete. Scoped
48 	 * to the NVM subsystem.
49 	 */
50 	OCP_LOG_DSSD_FWACT	= 0xc2,
51 	/*
52 	 * This is the latency monitor log page that has information in tandem
53 	 * with the Latency monitor feature (0xc5). Added in v2.0. Scoped to the
54 	 * controller.
55 	 */
56 	OCP_LOG_DSSD_LATENCY	= 0xc3,
57 	/*
58 	 * This log page indicates various device capabilities. Added in v2.0.
59 	 * Scoped to the NVM subsystem.
60 	 */
61 	OCP_LOG_DSSD_DEV_CAP	= 0xc4,
62 	/*
63 	 * This log page indicates which requirements aren't actually
64 	 * implemented by a device. Added in v2.0. Scoped to the NVM subsystem.
65 	 */
66 	OCP_LOG_DSSD_UNSUP_REQ	= 0xc5,
67 	/*
68 	 * This log page covers various trusted computing group configuration.
69 	 * Added in v2.5. Scoped to the NVM subsystem.
70 	 */
71 	OCP_LOG_DSSD_TCG	= 0xc7,
72 	/*
73 	 * This is the telemetry string log. Added in v2.5. Scoped to the NVM
74 	 * subsystem.
75 	 */
76 	OCP_LOG_DSSD_TELEMTRY	= 0xc9
77 } ocp_vul_t;
78 
79 typedef enum {
80 	/*
81 	 * Error injection feature. Added in v1.0. Scoped to the NVM subsystem.
82 	 */
83 	OCP_FEAT_DSSD_ERR_INJ		= 0xc0,
84 	/*
85 	 * Clear the firmware activation and update history log. Added in v1.0,
86 	 * but marked obsolete in v2.5. Scoped to the NVM subsystem.
87 	 */
88 	OCP_FEAT_DSSD_CLEAR_FWACT	= 0xc1,
89 	/*
90 	 * Controls the failure mode on device EOL or power loss protection
91 	 * (PLP) failure. Added in v1.0. Scoped to the NVM subsystem.
92 	 */
93 	OCP_FEAT_DSSD_EOLPLP		= 0xc2,
94 	/*
95 	 * Clears the PCIe correctable error counters. Added in v1.0. Scoped to
96 	 * the controller.
97 	 */
98 	OCP_FEAT_DSSD_CLEAR_PCIE_ERRCOR	= 0xc3,
99 	/*
100 	 * Manipulates the IEEE1667 silo which ties into the OPAL security
101 	 * feature set. Added in v1.0. Scoped to the NVM subsystem.
102 	 */
103 	OCP_FEAT_DSSD_IEEE1667		= 0xc4,
104 	/*
105 	 * Controls the latency monitor feature. Added in v2.0. Scoped to the
106 	 * controller.
107 	 */
108 	OCP_FEAT_DSSD_LATENCY		= 0xc5,
109 	/*
110 	 * Controls the PLP health check interval. Added in v2.0. Scoped to the
111 	 * NVM subsystem.
112 	 */
113 	OCP_FEAT_DSSD_PLP_HEALTH	= 0xc6,
114 	/*
115 	 * Controls the power state that the device is in. Added in v2.0. Scoped
116 	 * to the NVM subsystem.
117 	 */
118 	OCP_FEAT_DSSD_POWER_STATE	= 0xc7,
119 	/*
120 	 * Controls the OCP DSSD telemetry profile that should be active. Added
121 	 * in v2.5. Scoped to the NVM subsystem.
122 	 */
123 	OCP_FEAT_DSSD_TEL_PROFILE	= 0xc8,
124 	/*
125 	 * Controls whether additional spec-specific events should be sent with
126 	 * the asynchronous event commands.
127 	 */
128 	OCP_FEAT_DSSD_ASYNC_EVENT	= 0xc9
129 } ocp_vuf_t;
130 
131 /*
132  * All data structures must be packed to account for the layout from the various
133  * specifications. All fields are required to be in little endian.
134  */
135 #pragma pack(1)
136 
137 /*
138  * OCP SMART / Health log page. A number in parentheses like (2.0) indicates the
139  * version something was added in if it was not v1.0.
140  */
141 typedef struct {
142 	/*
143 	 * Physical media units read and written.
144 	 */
145 	uint8_t	osh_pmed_write[16];
146 	uint8_t osh_pmed_read[16];
147 	/*
148 	 * Bad user and system NAND blocks. Both a raw count and normalized
149 	 * value (percentage remaining).
150 	 */
151 	uint8_t osh_bunb_raw[6];
152 	uint16_t osh_bunb_norm;
153 	uint8_t osh_bsnb_raw[6];
154 	uint16_t osh_bsnb_norm;
155 	/*
156 	 * Various error and recovery metrics:
157 	 * - XOR
158 	 * - Uncorrectable reads
159 	 * - Soft ECC errors
160 	 * - End to end errors detected and corrected
161 	 */
162 	uint64_t osh_xor_rec;
163 	uint64_t osh_read_unrec;
164 	uint64_t osh_soft_ecc_err;
165 	uint32_t osh_e2e_det;
166 	uint32_t osh_e2e_corr;
167 	/*
168 	 * Tracks the normalized percent used of the device by estimated erase
169 	 * cycles per block.
170 	 */
171 	uint8_t osh_sys_used;
172 	/*
173 	 * This is the count of blocks that have been refreshed.
174 	 */
175 	uint8_t osh_refresh[7];
176 	/*
177 	 * Tracks the maximum and minimum erase count across NAND reserved for
178 	 * the user.
179 	 */
180 	uint32_t osh_udec_max;
181 	uint32_t osh_udec_min;
182 	/*
183 	 * The number of events and the current level of throttling.
184 	 */
185 	uint8_t osh_therm_event;
186 	uint8_t osh_throt_level;
187 	/*
188 	 * DSSD versioning for the device. (2.0).
189 	 */
190 	uint8_t osh_vers_errata;
191 	uint16_t osh_vers_point;
192 	uint16_t osh_vers_minor;
193 	uint8_t osh_vers_major;
194 	/*
195 	 * PCIe Correctable error count.
196 	 */
197 	uint64_t osh_pcie_errcor;
198 	/*
199 	 * Incomplete shutdowns.
200 	 */
201 	uint32_t osh_inc_shut;
202 	uint8_t osh_rsvd116[4];
203 	/*
204 	 * Normalized free percentage.
205 	 */
206 	uint8_t osh_free;
207 	uint8_t osh_rsvd121[7];
208 	/*
209 	 * Capacitor health as a percentage.
210 	 */
211 	uint16_t osh_cap_health;
212 	/*
213 	 * NVMe base spec errata version (2.0).
214 	 * NVMe cmd spec errata version (2.5).
215 	 */
216 	uint8_t osh_nvme_base_errata;
217 	uint8_t osh_nvme_cmd_errata;
218 	uint8_t osh_rsvd132[4];
219 	/*
220 	 * Quantity of unaligned I/O
221 	 */
222 	uint64_t osh_unaligned;
223 	/*
224 	 * An incrementing integer representing a security version that
225 	 * shouldn't be rolled back across.
226 	 */
227 	uint64_t osh_sec_vers;
228 	/*
229 	 * Namespace utilization.
230 	 */
231 	uint64_t osh_nuse;
232 	/*
233 	 * Count of events where PLP kicked in.
234 	 */
235 	uint8_t osh_plp_start[16];
236 	/*
237 	 * Estimation of total data that can be written to the device in bytes.
238 	 */
239 	uint8_t osh_endurnace[16];
240 	/*
241 	 * Count of PCIe retraining events (2.0).
242 	 */
243 	uint64_t osh_pcie_retrain;
244 	/*
245 	 * Count of power state changes, regardless of initiator. (2.0).
246 	 */
247 	uint64_t osh_ps_change;
248 	/*
249 	 * Minimum permitted firmware version for rollback purposes.
250 	 */
251 	uint64_t osh_min_fwrev;
252 	uint8_t osh_rsvd216[278];
253 	/*
254 	 * v1.0: 2, v2.0: 3, v2.5: 4
255 	 */
256 	uint16_t osh_vers;
257 	/*
258 	 * Log page GUID: AFD514C97C6F4F9CA4f2BFEA2810AFC5h.
259 	 */
260 	uint8_t osh_guid[16];
261 } ocp_vul_smart_t;
262 
263 /*
264  * OCP Error Recovery log.
265  */
266 typedef struct {
267 	/*
268 	 * Time in ms to wait for a reset to complete.
269 	 */
270 	uint16_t oer_prwt;
271 	/*
272 	 * List of reset actions we should consider taking. See ocp_errrec_pra_t
273 	 * for bit meanings.
274 	 */
275 	uint8_t oer_pra;
276 	/*
277 	 * List of steps to take to handle the device's recovery from a given
278 	 * situation. See ocp_errrec_dra_t for bit meanings.
279 	 */
280 	uint8_t oer_dra;
281 	uint64_t oer_panic_id;
282 	/*
283 	 * See ocp_errrec_devcap_t for more information.
284 	 */
285 	uint32_t oer_devcap;
286 	/*
287 	 * Information for how to send the vendor specific recovery command. The
288 	 * timout was added in 2.0.
289 	 */
290 	uint8_t oer_vsr_opcode;
291 	uint8_t oer_rsvd17[3];
292 	uint32_t oer_vsr_cdw12;
293 	uint32_t oer_vsr_cdw13;
294 	uint8_t oer_vsr_to;
295 	/*
296 	 * Secondary recovery actions post-reset (2.5). Uses the same bits as
297 	 * ocp_errrec_dra_t.
298 	 */
299 	uint8_t oer_dra2;
300 	uint8_t oer_dra2_to;
301 	uint8_t oer_npanic;
302 	uint64_t oer_old_panics[4];
303 	uint8_t oer_rsvd54[430];
304 	/*
305 	 * V1.0: 1, V2.0: 2, V2.5: 3
306 	 */
307 	uint16_t oer_vers;
308 	/*
309 	 * Log page GUID: 5A1983BA3DFD4DABAE3430FE2131D944h.
310 	 */
311 	uint8_t oer_guid[16];
312 } ocp_vul_errrec_t;
313 
314 /*
315  * List of panic reset actions that should be taken to recover.
316  */
317 typedef enum {
318 	/* NVMe Controller Reset */
319 	OCP_LOG_ERRREC_F_PRA_CTRL	= 1 << 0,
320 	/* NVM Subsystem Reset */
321 	OCP_LOG_ERRREC_F_PRA_SUBSYS	= 1 << 1,
322 	/* PCIe Function Level Reset */
323 	OCP_LOG_ERRREC_F_PRA_FLR	= 1 << 2,
324 	/* ASSERT #PERST (PCIe Fundamental Reset) */
325 	OCP_LOG_ERRREC_F_PRA_PERST	= 1 << 3,
326 	/* Power cycle the device */
327 	OCP_LOG_ERRREC_F_PRA_POWER	= 1 << 4,
328 	/* PCIe conventional hot reset */
329 	OCP_LOG_ERRREC_F_PRA_HOT	= 1 << 5
330 } ocp_errrec_pra_t;
331 
332 typedef enum {
333 	/* Do nothing */
334 	OCP_LOG_ERRREC_F_DRA_NONE	= 1 << 0,
335 	/* Format required */
336 	OCP_LOG_ERRREC_F_DRA_FMT	= 1 << 1,
337 	/* Vendor specific commad */
338 	OCP_LOG_ERRREC_F_DRA_VSC	= 1 << 2,
339 	/* Vendor analysis required */
340 	OCP_LOG_ERRREC_F_DRA_VAR	= 1 << 3,
341 	/* Replace the device */
342 	OCP_LOG_ERRREC_F_DRA_REPLACE	= 1 << 4,
343 	/* Sanitize required */
344 	OCP_LOG_ERRREC_F_DRA_SANITIZE	= 1 << 5,
345 	/*
346 	 * Indicates that there is permanent data loss in some LBAs. The LBAs
347 	 * are identified by the LBA Status log 0xe.
348 	 */
349 	OCP_LOG_ERRREC_F_DRA_DATALOSS	= 1 << 6,
350 } ocp_errrec_dra_t;
351 
352 /*
353  * Device capabilities. Used to indicate how a message about a panic can be sent
354  * today.
355  */
356 typedef enum {
357 	OCP_LOG_ERRREC_F_DEVCAP_AEN	= 1 << 0,
358 	OCP_LOG_ERRREC_F_DEVCAP_CFS	= 1 << 1
359 } ocp_errrec_devcap_t;
360 
361 /*
362  * OCP Firmware Activation. Present in 1.0 and 2.0. Removed in 2.5.
363  */
364 typedef struct {
365 	uint8_t ofe_vers;
366 	uint8_t ofe_len;
367 	uint8_t ofe_rsvd2[2];
368 	uint16_t ofe_count;
369 	uint64_t ofe_ts;
370 	uint8_t ofe_rsvd14[8];
371 	uint64_t ofe_pcc;
372 	uint64_t ofe_prev_fw;
373 	uint64_t ofe_new_fw;
374 	uint8_t ofe_slot;
375 	uint8_t ofe_ctype;
376 	uint16_t ofe_res;
377 	uint8_t ofe_rsvd50[14];
378 } ocp_fwact_entry_t;
379 
380 typedef struct {
381 	uint8_t ofw_lid;
382 	uint8_t ofw_rsvd1[3];
383 	uint32_t ofw_nents;
384 	ocp_fwact_entry_t ofw_hist[20];
385 	uint8_t ofw_rsvd1288[2790];
386 	/*
387 	 * V1.0: 1, V2.0: 1
388 	 */
389 	uint16_t ofw_vers;
390 	/*
391 	 * Log Page GUID: 3AC8AB24DE2A3F6DAB4769A796Dh.
392 	 */
393 	uint8_t ofw_guid[16];
394 } ocp_vul_fwact_t;
395 
396 /*
397  * Latency Monitor log. Added in V2.0.
398  */
399 typedef struct {
400 	uint32_t obc_read;
401 	uint32_t obc_write;
402 	uint32_t obc_dealloc;
403 	uint32_t obc_rsvd;
404 } ocp_lat_bkt_ctr_t;
405 
406 typedef struct {
407 	uint64_t ola_read;
408 	uint64_t ola_write;
409 	uint64_t ola_dealloc;
410 } ocp_lat_alts_t;
411 
412 typedef struct {
413 	uint16_t olm_read;
414 	uint16_t olm_write;
415 	uint16_t olm_dealloc;
416 } ocp_lat_aml_t;
417 
418 typedef struct {
419 	/*
420 	 * Latency monitor features. See ocp_lat_lmfs_t.
421 	 */
422 	uint8_t ol_lmfs;
423 	uint8_t ol_rsvd1[1];
424 	/*
425 	 * Active bucket timer, its threshold, and general thresholds.
426 	 */
427 	uint16_t ol_abt;
428 	uint16_t ol_abt_thresh;
429 	uint8_t ol_thresh_a;
430 	uint8_t ol_thresh_b;
431 	uint8_t ol_thresh_c;
432 	uint8_t ol_thresh_d;
433 	/*
434 	 * Active latency configuration. See ocp_lat_alc_t.
435 	 */
436 	uint16_t ol_alc;
437 	uint8_t ol_alw_min;
438 	uint8_t ol_rsvd13[19];
439 	/*
440 	 * Active bucket counters.
441 	 */
442 	ocp_lat_bkt_ctr_t ol_ctr0;
443 	ocp_lat_bkt_ctr_t ol_ctr1;
444 	ocp_lat_bkt_ctr_t ol_ctr2;
445 	ocp_lat_bkt_ctr_t ol_ctr3;
446 	/*
447 	 * Active Latency Stamps. These contain 64-bit timestamps for when
448 	 * events occurred. Grouped by bucket.
449 	 */
450 	ocp_lat_alts_t ol_ts0;
451 	ocp_lat_alts_t ol_ts1;
452 	ocp_lat_alts_t ol_ts2;
453 	ocp_lat_alts_t ol_ts3;
454 	/*
455 	 * Active Measured Latency. Grouped by bucket.
456 	 */
457 	ocp_lat_aml_t ol_aml0;
458 	ocp_lat_aml_t ol_aml1;
459 	ocp_lat_aml_t ol_aml2;
460 	ocp_lat_aml_t ol_aml3;
461 	uint16_t ol_als_units;
462 	uint8_t ol_rsvd218[22];
463 	/*
464 	 * Static versions of everything above.
465 	 */
466 	ocp_lat_bkt_ctr_t ol_sb0;
467 	ocp_lat_bkt_ctr_t ol_sb1;
468 	ocp_lat_bkt_ctr_t ol_sb2;
469 	ocp_lat_bkt_ctr_t ol_sb3;
470 	ocp_lat_alts_t ol_sts0;
471 	ocp_lat_alts_t ol_sts1;
472 	ocp_lat_alts_t ol_sts2;
473 	ocp_lat_alts_t ol_sts3;
474 	ocp_lat_aml_t ol_saml0;
475 	ocp_lat_aml_t ol_saml1;
476 	ocp_lat_aml_t ol_saml2;
477 	ocp_lat_aml_t ol_saml3;
478 	uint16_t ol_als_sunits;
479 	uint8_t ol_rsvd426[10];
480 	/*
481 	 * Debug log related fields. The number of dword fields is specific to
482 	 * v2.5.
483 	 */
484 	uint8_t ol_dbg_ndw[12];
485 	uint16_t ol_dbg_trig;
486 	uint16_t ol_dbg_ml;
487 	uint64_t ol_dbg_ts;
488 	uint16_t ol_dbg_ptr;
489 	uint16_t ol_dbg_src;
490 	uint8_t ol_dbg_units;
491 	uint8_t ol_rsvd465[29];
492 	/*
493 	 * V2.0: 1, V2.5: 4
494 	 */
495 	uint16_t ol_vers;
496 	/*
497 	 * Log page GUID: 85D45E58D4E643709C6C84D08CC07A92h.
498 	 */
499 	uint8_t ol_guid[16];
500 } ocp_vul_lat_t;
501 
502 typedef enum {
503 	OPC_LOG_LAT_F_LFMS_EN		= 1 << 0,
504 	OPC_LOG_LAT_F_LFMS_ALC_SUP	= 1 << 1,
505 	OPC_LOG_LAT_F_LFMS_AML_SUP	= 1 << 2,
506 } ocp_lat_lmfs_t;
507 
508 typedef enum {
509 	OCP_LOG_LAT_F_ALC_B0_READ	= 1 << 0,
510 	OCP_LOG_LAT_F_ALC_B0_WRITE	= 1 << 1,
511 	OCP_LOG_LAT_F_ALC_B0_DEALLOC	= 1 << 2,
512 	OCP_LOG_LAT_F_ALC_B1_READ	= 1 << 3,
513 	OCP_LOG_LAT_F_ALC_B1_WRITE	= 1 << 4,
514 	OCP_LOG_LAT_F_ALC_B1_DEALLOC	= 1 << 5,
515 	OCP_LOG_LAT_F_ALC_B2_READ	= 1 << 6,
516 	OCP_LOG_LAT_F_ALC_B2_WRITE	= 1 << 7,
517 	OCP_LOG_LAT_F_ALC_B2_DEALLOC	= 1 << 8,
518 	OCP_LOG_LAT_F_ALC_B3_READ	= 1 << 9,
519 	OCP_LOG_LAT_F_ALC_B3_WRITE	= 1 << 10,
520 	OCP_LOG_LAT_F_ALC_B3_DEALLOC	= 1 << 11
521 } ocp_lat_alc_t;
522 
523 /*
524  * Device Capabilities Log. Introduced in v2.0.
525  */
526 typedef struct {
527 #ifdef	_BIT_FIELDS_LTOH
528 	uint8_t odp_nps:5;
529 	uint8_t odp_rsvd5:2;
530 	uint8_t odp_valid:1;
531 #else
532 	uint8_t odp_valid:1;
533 	uint8_t odp_rsvd5:2;
534 	uint8_t odp_nps:5;
535 #endif	/* _BIT_FIELDS_LTOH */
536 } ocp_dssd_ps_t;
537 
538 typedef struct {
539 	uint16_t odc_nports;
540 	uint16_t odc_oob_sup;
541 	uint16_t odc_wz_sup;
542 	uint16_t odc_san_sup;
543 	uint16_t odc_dsmgmt_sup;
544 	uint16_t odc_wunc_sup;
545 	uint16_t odc_fuse_sup;
546 	uint16_t odc_dssd_min_valid;
547 	ocp_dssd_ps_t odc_dssd[128];
548 	uint8_t odc_rsvd144[3934];
549 	/*
550 	 * V2.0: 1, V2.5: 1
551 	 */
552 	uint16_t odc_vers;
553 	/*
554 	 * Log page GUID: B7053C914B58495D98C9E1D10D054297h
555 	 */
556 	uint8_t odc_guid[16];
557 } ocp_vul_devcap_t;
558 
559 typedef enum {
560 	/* PCIe VDM Supported */
561 	OCP_LOG_DEVCAP_F_OOB_VDM	= 1 << 0,
562 	/* NVMe Basic Management Command supported */
563 	OCP_LOG_DEVCAP_F_OOB_BMC	= 1 << 1,
564 	/* Passed compliance testing */
565 	OCP_LOG_DEVCAP_F_OOB_COMPLY	= 1 << 15,
566 } ocp_devcap_oob_t;
567 
568 typedef enum {
569 	/* Write Zeros command supported */
570 	OCP_LOG_DEVCAP_F_WZ_SUP		= 1 << 0,
571 	/* Write Zeros deallocate bit */
572 	OCP_LOG_DEVCAP_F_WZ_DEAC	= 1 << 1,
573 	/* Write Zeros force unit access */
574 	OCP_LOG_DEVCAP_F_WZ_FUA		= 1 << 2,
575 	/* Adheres to spec req NVME-IO-5 */
576 	OCP_LOG_DEVCAP_F_WZ_IO5		= 1 << 3,
577 	/* Adheres to spec req NVME-IO-6 */
578 	OCP_LOG_DEVCAP_F_WZ_IO6		= 1 << 4,
579 	/* Passed compliance testing */
580 	OCP_LOG_DEVCAP_F_WZ_COMPLY	= 1 << 15
581 } ocp_devcap_wz_t;
582 
583 typedef enum {
584 	/* Dataset Management command supported */
585 	OCP_LOG_DEVCAP_F_DSMGMT_SUP	= 1 << 0,
586 	/* Attribute deallocate supported */
587 	OCP_LOG_DEVCAP_F_DSMGMT_AD	= 1 << 1,
588 	/* Passed compliance testing */
589 	OCP_LOG_DEVCAP_F_DSMGMT_COMPLY	= 1 << 15
590 } ocp_devcap_dsmgmt_t;
591 
592 typedef enum {
593 	/* Write uncorrectable supported */
594 	OCP_LOG_DEVCAP_F_WUNC_SUP	= 1 << 0,
595 	/* Works with a single LBA */
596 	OCP_LOG_DEVCAP_F_WUNC_ONE	= 1 << 1,
597 	/* Works with max LBAs per NVMe spec */
598 	OCP_LOG_DEVCAP_F_WUNC_MAX	= 1 << 2,
599 	/* Adheres to spec req NVME-IO-14 */
600 	OCP_LOG_DEVCAP_F_WUNC_IO14	= 1 << 3,
601 	/* Passed compliance testing */
602 	OCP_LOG_DEVCAP_F_WUNC_COMPLY	= 1 << 15
603 } ocp_devcap_wunc_t;
604 
605 typedef enum {
606 	/* Fused operation supported */
607 	OCP_LOG_DEVCAP_F_FUSE_SUP	= 1 << 0,
608 	/* Passed compliance testing */
609 	OCP_LOG_DEVCAP_F_FUSE_COMPLY	= 1 << 15
610 } ocp_devcap_fuse_t;
611 
612 /*
613  * Unsupported Requirements log. This log is structured such that each
614  * unimplemented requirement must fit into a single 16 byte array which should
615  * be padded with zeros (but nothing in the spec suggests it guarantees
616  * termination). We keep the requirements string as a uint8_t as opposed to a
617  * char to indicate that this should not be trusted and must be parsed.
618  */
619 typedef struct {
620 	uint8_t ors_str[16];
621 } ocp_req_str_t;
622 
623 typedef struct {
624 	uint16_t our_nunsup;
625 	uint8_t our_rsvd2[14];
626 	ocp_req_str_t ors_reqs[253];
627 	uint8_t our_rsvd4064[14];
628 	/*
629 	 * V2.0: 1, V2.5: 1
630 	 */
631 	uint16_t our_vers;
632 	/*
633 	 * Log page GUID: C7BB98B7D0324863BB2C23990E9C722Fh
634 	 */
635 	uint8_t our_guid[16];
636 } ocp_vul_unsup_req_t;
637 
638 /*
639  * Our current version of smatch cannot handle packed structures.
640  */
641 #ifndef __CHECKER__
642 CTASSERT(sizeof (ocp_vul_smart_t) == 512);
643 CTASSERT(offsetof(ocp_vul_smart_t, osh_therm_event) == 96);
644 CTASSERT(offsetof(ocp_vul_smart_t, osh_vers) == 494);
645 CTASSERT(sizeof (ocp_vul_errrec_t) == 512);
646 CTASSERT(offsetof(ocp_vul_errrec_t, oer_npanic) == 31);
647 CTASSERT(offsetof(ocp_vul_errrec_t, oer_npanic) == 31);
648 CTASSERT(sizeof (ocp_fwact_entry_t) == 64);
649 CTASSERT(offsetof(ocp_fwact_entry_t, ofe_rsvd50) == 50);
650 CTASSERT(sizeof (ocp_vul_fwact_t) == 4096);
651 CTASSERT(offsetof(ocp_vul_fwact_t, ofw_rsvd1288) == 1288);
652 CTASSERT(offsetof(ocp_vul_fwact_t, ofw_vers) == 4078);
653 CTASSERT(sizeof (ocp_lat_bkt_ctr_t) == 16);
654 CTASSERT(sizeof (ocp_lat_alts_t) == 24);
655 CTASSERT(sizeof (ocp_lat_aml_t) == 6);
656 CTASSERT(offsetof(ocp_vul_lat_t, ol_aml0) == 192);
657 CTASSERT(offsetof(ocp_vul_lat_t, ol_rsvd218) == 218);
658 CTASSERT(offsetof(ocp_vul_lat_t, ol_als_sunits) == 424);
659 CTASSERT(sizeof (ocp_vul_lat_t) == 512);
660 CTASSERT(sizeof (ocp_vul_devcap_t) == 4096);
661 CTASSERT(offsetof(ocp_vul_devcap_t, odc_rsvd144) == 144);
662 CTASSERT(sizeof (ocp_req_str_t) == 16);
663 CTASSERT(sizeof (ocp_vul_unsup_req_t) == 4096);
664 #endif
665 
666 #pragma	pack()	/* pack(1) */
667 
668 #ifdef __cplusplus
669 }
670 #endif
671 
672 #endif /* _SYS_NVME_OCP_H */
673