xref: /illumos-gate/usr/src/uts/common/sys/nvme.h (revision 74e12c43fe52f2c30f36e65a4d0fb0e8dfd7068a)
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 2016 Nexenta Systems, Inc.
14  * Copyright 2020 Joyent, Inc.
15  * Copyright 2019 Western Digital Corporation
16  * Copyright 2021 Oxide Computer Company
17  */
18 
19 #ifndef _SYS_NVME_H
20 #define	_SYS_NVME_H
21 
22 #include <sys/types.h>
23 
24 #ifdef _KERNEL
25 #include <sys/types32.h>
26 #else
27 #include <stdint.h>
28 #endif
29 
30 /*
31  * Declarations used for communication between nvmeadm(1M) and nvme(7D)
32  */
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 /*
39  * NVMe ioctl definitions
40  */
41 
42 #define	NVME_IOC			(('N' << 24) | ('V' << 16) | ('M' << 8))
43 #define	NVME_IOC_IDENTIFY_CTRL		(NVME_IOC | 1)
44 #define	NVME_IOC_IDENTIFY_NSID		(NVME_IOC | 2)
45 #define	NVME_IOC_CAPABILITIES		(NVME_IOC | 3)
46 #define	NVME_IOC_GET_LOGPAGE		(NVME_IOC | 4)
47 #define	NVME_IOC_GET_FEATURES		(NVME_IOC | 5)
48 #define	NVME_IOC_INTR_CNT		(NVME_IOC | 6)
49 #define	NVME_IOC_VERSION		(NVME_IOC | 7)
50 #define	NVME_IOC_FORMAT			(NVME_IOC | 8)
51 #define	NVME_IOC_DETACH			(NVME_IOC | 9)
52 #define	NVME_IOC_ATTACH			(NVME_IOC | 10)
53 #define	NVME_IOC_FIRMWARE_DOWNLOAD	(NVME_IOC | 11)
54 #define	NVME_IOC_FIRMWARE_COMMIT	(NVME_IOC | 12)
55 #define	NVME_IOC_MAX			NVME_IOC_FIRMWARE_COMMIT
56 
57 #define	IS_NVME_IOC(x)			((x) > NVME_IOC && (x) <= NVME_IOC_MAX)
58 #define	NVME_IOC_CMD(x)			((x) & 0xff)
59 
60 typedef struct {
61 	size_t		n_len;
62 	uintptr_t	n_buf;
63 	uint64_t	n_arg;
64 } nvme_ioctl_t;
65 
66 #ifdef _KERNEL
67 typedef struct {
68 	size32_t	n_len;
69 	uintptr32_t	n_buf;
70 	uint64_t	n_arg;
71 } nvme_ioctl32_t;
72 #endif
73 
74 /*
75  * NVMe capabilities
76  */
77 typedef struct {
78 	uint32_t mpsmax;		/* Memory Page Size Maximum */
79 	uint32_t mpsmin;		/* Memory Page Size Minimum */
80 } nvme_capabilities_t;
81 
82 /*
83  * NVMe version
84  */
85 typedef struct {
86 	uint16_t v_minor;
87 	uint16_t v_major;
88 } nvme_version_t;
89 
90 #define	NVME_VERSION_ATLEAST(v, maj, min) \
91 	(((v)->v_major) > (maj) || \
92 	((v)->v_major == (maj) && (v)->v_minor >= (min)))
93 
94 #define	NVME_VERSION_HIGHER(v, maj, min) \
95 	(((v)->v_major) > (maj) || \
96 	((v)->v_major == (maj) && (v)->v_minor > (min)))
97 
98 
99 #pragma pack(1)
100 
101 typedef struct {
102 	uint64_t lo;
103 	uint64_t hi;
104 } nvme_uint128_t;
105 
106 /*
107  * NVMe Identify data structures
108  */
109 
110 #define	NVME_IDENTIFY_BUFSIZE	4096	/* buffer size for Identify */
111 
112 /* NVMe Queue Entry Size bitfield */
113 typedef struct {
114 	uint8_t qes_min:4;		/* minimum entry size */
115 	uint8_t qes_max:4;		/* maximum entry size */
116 } nvme_idctl_qes_t;
117 
118 /* NVMe Power State Descriptor */
119 typedef struct {
120 	uint16_t psd_mp;		/* Maximum Power */
121 	uint8_t psd_rsvd1;
122 	uint8_t psd_mps:1;		/* Max Power Scale (1.1) */
123 	uint8_t psd_nops:1;		/* Non-Operational State (1.1) */
124 	uint8_t psd_rsvd2:6;
125 	uint32_t psd_enlat;		/* Entry Latency */
126 	uint32_t psd_exlat;		/* Exit Latency */
127 	uint8_t psd_rrt:5;		/* Relative Read Throughput */
128 	uint8_t psd_rsvd3:3;
129 	uint8_t psd_rrl:5;		/* Relative Read Latency */
130 	uint8_t psd_rsvd4:3;
131 	uint8_t psd_rwt:5;		/* Relative Write Throughput */
132 	uint8_t	psd_rsvd5:3;
133 	uint8_t psd_rwl:5;		/* Relative Write Latency */
134 	uint8_t psd_rsvd6:3;
135 	uint16_t psd_idlp;		/* Idle Power (1.2) */
136 	uint8_t psd_rsvd7:6;
137 	uint8_t psd_ips:2;		/* Idle Power Scale (1.2) */
138 	uint8_t psd_rsvd8;
139 	uint16_t psd_actp;		/* Active Power (1.2) */
140 	uint8_t psd_apw:3;		/* Active Power Workload (1.2) */
141 	uint8_t psd_rsvd9:3;
142 	uint8_t psd_aps:2;		/* Active Power Scale */
143 	uint8_t psd_rsvd10[9];
144 } nvme_idctl_psd_t;
145 
146 #define	NVME_SERIAL_SZ	20
147 #define	NVME_MODEL_SZ	40
148 
149 /* NVMe Identify Controller Data Structure */
150 typedef struct {
151 	/* Controller Capabilities & Features */
152 	uint16_t id_vid;		/* PCI vendor ID */
153 	uint16_t id_ssvid;		/* PCI subsystem vendor ID */
154 	char id_serial[NVME_SERIAL_SZ];	/* Serial Number */
155 	char id_model[NVME_MODEL_SZ];	/* Model Number */
156 	char id_fwrev[8];		/* Firmware Revision */
157 	uint8_t id_rab;			/* Recommended Arbitration Burst */
158 	uint8_t id_oui[3];		/* vendor IEEE OUI */
159 	struct {			/* Multi-Interface Capabilities */
160 		uint8_t m_multi_pci:1;	/* HW has multiple PCIe interfaces */
161 		uint8_t m_multi_ctrl:1; /* HW has multiple controllers (1.1) */
162 		uint8_t m_sr_iov:1;	/* Controller is SR-IOV virt fn (1.1) */
163 		uint8_t m_anar_sup:1;	/* ANA Reporting Supported (1.4) */
164 		uint8_t m_rsvd:4;
165 	} id_mic;
166 	uint8_t	id_mdts;		/* Maximum Data Transfer Size */
167 	uint16_t id_cntlid;		/* Unique Controller Identifier (1.1) */
168 	/* Added in NVMe 1.2 */
169 	uint32_t id_ver;		/* Version (1.2) */
170 	uint32_t id_rtd3r;		/* RTD3 Resume Latency (1.2) */
171 	uint32_t id_rtd3e;		/* RTD3 Entry Latency (1.2) */
172 	struct {
173 		uint32_t oaes_rsvd0:8;
174 		uint32_t oaes_nsan:1;	/* Namespace Attribute Notices (1.2) */
175 		uint32_t oaes_fwact:1;	/* Firmware Activation Notices (1.2) */
176 		uint32_t oaes_rsvd1:1;
177 		uint32_t oaes_ansacn:1;	/* Asymmetric NS Access Change (1.4) */
178 		uint32_t oaes_plat:1;	/* Predictable Lat Event Agg. (1.4) */
179 		uint32_t oaes_lbasi:1;	/* LBA Status Information (1.4) */
180 		uint32_t oaes_egeal:1;	/* Endurance Group Event Agg. (1.4) */
181 		uint32_t oaes_rsvd2:17;
182 	} id_oaes;
183 	struct {
184 		uint32_t ctrat_hid:1;	/* 128-bit Host Identifier (1.2)  */
185 		uint32_t ctrat_nops:1;	/* Non-Operational Power State (1.3) */
186 		uint32_t ctrat_nvmset:1; /* NVMe Sets (1.4) */
187 		uint32_t ctrat_rrl:1;	/* Read Recovery Levels (1.4) */
188 		uint32_t ctrat_engrp:1; /* Endurance Groups (1.4) */
189 		uint32_t ctrat_plm:1;	/* Predictable Latency Mode (1.4) */
190 		uint32_t ctrat_tbkas:1;	/* Traffic Based Keep Alive (1.4) */
191 		uint32_t ctrat_nsg:1;	/* Namespace Granularity (1.4) */
192 		uint32_t ctrat_sqass:1;	/* SQ Associations (1.4) */
193 		uint32_t ctrat_uuid:1;	/* UUID List (1.4) */
194 		uint32_t ctrat_rsvd:22;
195 	} id_ctratt;
196 	uint16_t id_rrls;		/* Read Recovery Levels (1.4) */
197 	uint8_t id_rsvd_cc[111-102];
198 	uint8_t id_cntrltype;		/* Controller Type (1.4) */
199 	uint8_t id_frguid[16];		/* FRU GUID (1.3) */
200 	uint16_t id_crdt1;		/* Command Retry Delay Time 1 (1.4) */
201 	uint16_t id_crdt2;		/* Command Retry Delay Time 2 (1.4) */
202 	uint16_t id_crdt3;		/* Command Retry Delay Time 3 (1.4) */
203 	uint8_t id_rsvd2_cc[240 - 134];
204 	uint8_t id_rsvd_nvmemi[253 - 240];
205 	/* NVMe-MI region */
206 	struct {			/* NVMe Subsystem Report */
207 		uint8_t nvmsr_nvmesd:1;	/* NVMe Storage Device */
208 		uint8_t nvmsr_nvmee:1;	/* NVMe Enclosure */
209 		uint8_t nvmsr_rsvd:6;
210 	} id_nvmsr;
211 	struct {			/* VPD Write Cycle Information */
212 		uint8_t vwci_crem:7;	/* Write Cycles Remaining */
213 		uint8_t vwci_valid:1;	/* Write Cycles Remaining Valid */
214 	} id_vpdwc;
215 	struct {			/* Management Endpoint Capabilities */
216 		uint8_t mec_smbusme:1;	/* SMBus Port Management Endpoint */
217 		uint8_t mec_pcieme:1;	/* PCIe Port Management Endpoint */
218 		uint8_t mec_rsvd:6;
219 	} id_mec;
220 
221 	/* Admin Command Set Attributes */
222 	struct {			/* Optional Admin Command Support */
223 		uint16_t oa_security:1;	/* Security Send & Receive */
224 		uint16_t oa_format:1;	/* Format NVM */
225 		uint16_t oa_firmware:1;	/* Firmware Activate & Download */
226 		uint16_t oa_nsmgmt:1;	/* Namespace Management (1.2) */
227 		uint16_t oa_selftest:1;	/* Self Test (1.3) */
228 		uint16_t oa_direct:1;	/* Directives (1.3) */
229 		uint16_t oa_nvmemi:1;	/* MI-Send/Recv (1.3) */
230 		uint16_t oa_virtmgmt:1;	/* Virtualization Management (1.3) */
231 		uint16_t oa_doorbell:1;	/* Doorbell Buffer Config (1.3) */
232 		uint16_t oa_lbastat:1;	/* LBA Status (1.4) */
233 		uint16_t oa_rsvd:6;
234 	} id_oacs;
235 	uint8_t	id_acl;			/* Abort Command Limit */
236 	uint8_t id_aerl;		/* Asynchronous Event Request Limit */
237 	struct {			/* Firmware Updates */
238 		uint8_t fw_readonly:1;	/* Slot 1 is Read-Only */
239 		uint8_t	fw_nslot:3;	/* number of firmware slots */
240 		uint8_t fw_norst:1;	/* Activate w/o reset (1.2) */
241 		uint8_t fw_rsvd:3;
242 	} id_frmw;
243 	struct {			/* Log Page Attributes */
244 		uint8_t lp_smart:1;	/* SMART/Health information per NS */
245 		uint8_t lp_cmdeff:1;	/* Command Effects (1.2) */
246 		uint8_t lp_extsup:1;	/* Extended Get Log Page (1.2) */
247 		uint8_t lp_telemetry:1;	/* Telemetry Log Pages (1.3) */
248 		uint8_t lp_persist:1;	/* Persistent Log Page (1.4) */
249 		uint8_t lp_rsvd:3;
250 	} id_lpa;
251 	uint8_t id_elpe;		/* Error Log Page Entries */
252 	uint8_t	id_npss;		/* Number of Power States */
253 	struct {			/* Admin Vendor Specific Command Conf */
254 		uint8_t av_spec:1;	/* use format from spec */
255 		uint8_t av_rsvd:7;
256 	} id_avscc;
257 	struct {			/* Autonomous Power State Trans (1.1) */
258 		uint8_t ap_sup:1;	/* APST supported (1.1) */
259 		uint8_t ap_rsvd:7;
260 	} id_apsta;
261 	uint16_t ap_wctemp;		/* Warning Composite Temp. (1.2) */
262 	uint16_t ap_cctemp;		/* Critical Composite Temp. (1.2) */
263 	uint16_t ap_mtfa;		/* Maximum Firmware Activation (1.2) */
264 	uint32_t ap_hmpre;		/* Host Memory Buf Pref Size (1.2) */
265 	uint32_t ap_hmmin;		/* Host Memory Buf Min Size (1.2) */
266 	nvme_uint128_t ap_tnvmcap;	/* Total NVM Capacity in Bytes (1.2) */
267 	nvme_uint128_t ap_unvmcap;	/* Unallocated NVM Capacity (1.2) */
268 	struct {			/* Replay Protected Mem. Block (1.2) */
269 		uint32_t rpmbs_units:3;	/* Number of targets */
270 		uint32_t rpmbs_auth:3;	/* Auth method */
271 		uint32_t rpmbs_rsvd:10;
272 		uint32_t rpmbs_tot:8;	/* Total size in 128KB */
273 		uint32_t rpmbs_acc:8;	/* Access size in 512B */
274 	} ap_rpmbs;
275 	/* Added in NVMe 1.3 */
276 	uint16_t ap_edstt;		/* Ext. Device Self-test time (1.3) */
277 	struct {			/* Device Self-test Options */
278 		uint8_t dsto_sub:1;	/* Subsystem level self-test (1.3) */
279 		uint8_t dsto_rsvd:7;
280 	} ap_dsto;
281 	uint8_t ap_fwug;		/* Firmware Update Granularity (1.3) */
282 	uint16_t ap_kas;		/* Keep Alive Support (1.2) */
283 	struct {			/* Host Thermal Management (1.3) */
284 		uint16_t hctma_hctm:1;	/* Host Controlled (1.3) */
285 		uint16_t hctma_rsvd:15;
286 	} ap_hctma;
287 	uint16_t ap_mntmt;		/* Minimum Thermal Temperature (1.3) */
288 	uint16_t ap_mxtmt;		/* Maximum Thermal Temperature (1.3) */
289 	struct {			/* Sanitize Caps */
290 		uint32_t san_ces:1;	/* Crypto Erase Support (1.3) */
291 		uint32_t san_bes:1;	/* Block Erase Support (1.3) */
292 		uint32_t san_ows:1;	/* Overwite Support (1.3) */
293 		uint32_t san_rsvd:26;
294 		uint32_t san_ndi:1;	/* No-deallocate Inhibited (1.4) */
295 		uint32_t san_nodmmas:2;	/* No-Deallocate Modifies Media (1.4) */
296 	} ap_sanitize;
297 	uint32_t ap_hmminds;		/* Host Mem Buf Min Desc Entry (1.4) */
298 	uint16_t ap_hmmaxd;		/* How Mem Max Desc Entries (1.4) */
299 	uint16_t ap_nsetidmax;		/* Max NVMe set identifier (1.4) */
300 	uint16_t ap_engidmax;		/* Max Endurance Group ID (1.4) */
301 	uint8_t ap_anatt;		/* ANA Transition Time (1.4) */
302 	struct {			/* Asymmetric Namespace Access Caps */
303 		uint8_t anacap_opt:1;	/* Optimized State (1.4) */
304 		uint8_t anacap_unopt:1;	/* Un-optimized State (1.4) */
305 		uint8_t anacap_inacc:1;	/* Inaccessible State (1.4) */
306 		uint8_t anacap_ploss:1;	/* Persistent Loss (1.4) */
307 		uint8_t anacap_chg:1;	/* Change State (1.4 ) */
308 		uint8_t anacap_rsvd:1;
309 		uint8_t anacap_grpns:1;	/* ID Changes with NS Attach (1.4) */
310 		uint8_t anacap_grpid:1;	/* Supports Group ID (1.4) */
311 	} ap_anacap;
312 	uint32_t ap_anagrpmax;		/* ANA Group ID Max (1.4) */
313 	uint32_t ap_nanagrpid;		/* Number of ANA Group IDs (1.4) */
314 	uint32_t ap_pels;		/* Persistent Event Log Size (1.4) */
315 	uint8_t id_rsvd_ac[512 - 356];
316 
317 	/* NVM Command Set Attributes */
318 	nvme_idctl_qes_t id_sqes;	/* Submission Queue Entry Size */
319 	nvme_idctl_qes_t id_cqes;	/* Completion Queue Entry Size */
320 	uint16_t id_maxcmd;		/* Max Outstanding Commands (1.3) */
321 	uint32_t id_nn;			/* Number of Namespaces */
322 	struct {			/* Optional NVM Command Support */
323 		uint16_t on_compare:1;	/* Compare */
324 		uint16_t on_wr_unc:1;	/* Write Uncorrectable */
325 		uint16_t on_dset_mgmt:1; /* Dataset Management */
326 		uint16_t on_wr_zero:1;	/* Write Zeros (1.1) */
327 		uint16_t on_save:1;	/* Save/Select in Get/Set Feat (1.1) */
328 		uint16_t on_reserve:1;	/* Reservations (1.1) */
329 		uint16_t on_ts:1;	/* Timestamp (1.3) */
330 		uint16_t on_verify:1;	/* Verify (1.4) */
331 		uint16_t on_rsvd:8;
332 	} id_oncs;
333 	struct {			/* Fused Operation Support */
334 		uint16_t f_cmp_wr:1;	/* Compare and Write */
335 		uint16_t f_rsvd:15;
336 	} id_fuses;
337 	struct {			/* Format NVM Attributes */
338 		uint8_t fn_format:1;	/* Format applies to all NS */
339 		uint8_t fn_sec_erase:1;	/* Secure Erase applies to all NS */
340 		uint8_t fn_crypt_erase:1; /* Cryptographic Erase supported */
341 		uint8_t fn_rsvd:5;
342 	} id_fna;
343 	struct {			/* Volatile Write Cache */
344 		uint8_t vwc_present:1;	/* Volatile Write Cache present */
345 		uint8_t vwc_nsflush:2;	/* Flush with NS ffffffff (1.4) */
346 		uint8_t rsvd:5;
347 	} id_vwc;
348 	uint16_t id_awun;		/* Atomic Write Unit Normal */
349 	uint16_t id_awupf;		/* Atomic Write Unit Power Fail */
350 	struct {			/* NVM Vendor Specific Command Conf */
351 		uint8_t nv_spec:1;	/* use format from spec */
352 		uint8_t nv_rsvd:7;
353 	} id_nvscc;
354 	struct {			/* Namespace Write Protection Caps */
355 		uint8_t nwpc_base:1;	/* Base support (1.4) */
356 		uint8_t nwpc_wpupc:1;	/* Write prot until power cycle (1.4) */
357 		uint8_t nwpc_permwp:1;	/* Permanent write prot (1.4) */
358 		uint8_t nwpc_rsvd:5;
359 	} id_nwpc;
360 	uint16_t id_acwu;		/* Atomic Compare & Write Unit (1.1) */
361 	uint16_t id_rsvd_nc_3;
362 	struct {			/* SGL Support (1.1) */
363 		uint16_t sgl_sup:2;	/* SGL Supported in NVM cmds (1.3) */
364 		uint16_t sgl_keyed:1;	/* Keyed SGL Support (1.2) */
365 		uint16_t sgl_rsvd1:13;
366 		uint16_t sgl_bucket:1;	/* SGL Bit Bucket supported (1.1) */
367 		uint16_t sgl_balign:1;	/* SGL Byte Aligned (1.2) */
368 		uint16_t sgl_sglgtd:1;	/* SGL Length Longer than Data (1.2) */
369 		uint16_t sgl_mptr:1;	/* SGL MPTR w/ SGL (1.2) */
370 		uint16_t sgl_offset:1;	/* SGL Address is offset (1.2) */
371 		uint16_t sgl_tport:1;	/* Transport SGL Data Block (1.4) */
372 		uint16_t sgl_rsvd2:10;
373 	} id_sgls;
374 	uint32_t id_mnam;		/* Maximum Number of Allowed NSes */
375 	uint8_t id_rsvd_nc_4[768 - 544];
376 
377 	/* I/O Command Set Attributes */
378 	uint8_t id_subnqn[1024 - 768];	/* Subsystem Qualified Name (1.2.1+) */
379 	uint8_t id_rsvd_ioc[1792 - 1024];
380 	uint8_t id_nvmof[2048 - 1792];	/* NVMe over Fabrics */
381 
382 	/* Power State Descriptors */
383 	nvme_idctl_psd_t id_psd[32];
384 
385 	/* Vendor Specific */
386 	uint8_t id_vs[1024];
387 } nvme_identify_ctrl_t;
388 
389 /*
390  * NVMe Controller Types
391  */
392 #define	NVME_CNTRLTYPE_RSVD	0
393 #define	NVME_CNTRLTYPE_IO	1
394 #define	NVME_CNTRLTYPE_DISC	2
395 #define	NVME_CNTRLTYPE_ADMIN	3
396 
397 /*
398  * RPMBS Authentication Types
399  */
400 #define	NVME_RPMBS_AUTH_HMAC_SHA256	0
401 
402 /*
403  * NODMMAS Values
404  */
405 #define	NVME_NODMMAS_UNDEF	0x00
406 #define	NVME_NODMMAS_NOMOD	0x01
407 #define	NVME_NODMMAS_DOMOD	0x02
408 
409 /*
410  * VWC NSID flushes
411  */
412 #define	NVME_VWCNS_UNKNOWN	0x00
413 #define	NVME_VWCNS_UNSUP	0x02
414 #define	NVME_VWCNS_SUP		0x03
415 
416 /*
417  * SGL Support Values
418  */
419 #define	NVME_SGL_UNSUP		0x00
420 #define	NVME_SGL_SUP_UNALIGN	0x01
421 #define	NVME_SGL_SUP_ALIGN	0x02
422 
423 /* NVMe Identify Namespace LBA Format */
424 typedef struct {
425 	uint16_t lbaf_ms;		/* Metadata Size */
426 	uint8_t lbaf_lbads;		/* LBA Data Size */
427 	uint8_t lbaf_rp:2;		/* Relative Performance */
428 	uint8_t lbaf_rsvd1:6;
429 } nvme_idns_lbaf_t;
430 
431 /* NVMe Identify Namespace Data Structure */
432 typedef struct {
433 	uint64_t id_nsize;		/* Namespace Size */
434 	uint64_t id_ncap;		/* Namespace Capacity */
435 	uint64_t id_nuse;		/* Namespace Utilization */
436 	struct {			/* Namespace Features */
437 		uint8_t f_thin:1;	/* Thin Provisioning */
438 		uint8_t f_nsabp:1;	/* Namespace atomics (1.2) */
439 		uint8_t f_dae:1;	/* Deallocated errors supported (1.2) */
440 		uint8_t f_uidreuse:1;	/* GUID reuse impossible (1.3) */
441 		uint8_t f_optperf:1;	/* Namespace I/O opt (1.4) */
442 		uint8_t f_rsvd:3;
443 	} id_nsfeat;
444 	uint8_t id_nlbaf;		/* Number of LBA formats */
445 	struct {			/* Formatted LBA size */
446 		uint8_t lba_format:4;	/* LBA format */
447 		uint8_t lba_extlba:1;	/* extended LBA (includes metadata) */
448 		uint8_t lba_rsvd:3;
449 	} id_flbas;
450 	struct {			/* Metadata Capabilities */
451 		uint8_t mc_extlba:1;	/* extended LBA transfers */
452 		uint8_t mc_separate:1;	/* separate metadata transfers */
453 		uint8_t mc_rsvd:6;
454 	} id_mc;
455 	struct {			/* Data Protection Capabilities */
456 		uint8_t dp_type1:1;	/* Protection Information Type 1 */
457 		uint8_t dp_type2:1;	/* Protection Information Type 2 */
458 		uint8_t dp_type3:1;	/* Protection Information Type 3 */
459 		uint8_t dp_first:1;	/* first 8 bytes of metadata */
460 		uint8_t dp_last:1;	/* last 8 bytes of metadata */
461 		uint8_t dp_rsvd:3;
462 	} id_dpc;
463 	struct {			/* Data Protection Settings */
464 		uint8_t dp_pinfo:3;	/* Protection Information enabled */
465 		uint8_t dp_first:1;	/* first 8 bytes of metadata */
466 		uint8_t dp_rsvd:4;
467 	} id_dps;
468 	struct {			/* NS Multi-Path/Sharing Cap (1.1) */
469 		uint8_t nm_shared:1;	/* NS is shared (1.1) */
470 		uint8_t nm_rsvd:7;
471 	} id_nmic;
472 	struct {			/* Reservation Capabilities (1.1) */
473 		uint8_t rc_persist:1;	/* Persist Through Power Loss (1.1) */
474 		uint8_t rc_wr_excl:1;	/* Write Exclusive (1.1) */
475 		uint8_t rc_excl:1;	/* Exclusive Access (1.1) */
476 		uint8_t rc_wr_excl_r:1;	/* Wr Excl - Registrants Only (1.1) */
477 		uint8_t rc_excl_r:1;	/* Excl Acc - Registrants Only (1.1) */
478 		uint8_t rc_wr_excl_a:1;	/* Wr Excl - All Registrants (1.1) */
479 		uint8_t rc_excl_a:1;	/* Excl Acc - All Registrants (1.1) */
480 		uint8_t rc_ign_ekey:1;	/* Ignore Existing Key (1.3) */
481 	} id_rescap;
482 	struct {			/* Format Progress Indicator (1.2) */
483 		uint8_t fpi_remp:7;	/* Percent NVM Format Remaining (1.2) */
484 		uint8_t fpi_sup:1;	/* Supported (1.2) */
485 	} id_fpi;
486 	uint8_t id_dfleat;		/* Deallocate Log. Block (1.3) */
487 	uint16_t id_nawun;		/* Atomic Write Unit Normal (1.2) */
488 	uint16_t id_nawupf;		/* Atomic Write Unit Power Fail (1.2) */
489 	uint16_t id_nacwu;		/* Atomic Compare & Write Unit (1.2) */
490 	uint16_t id_nabsn;		/* Atomic Boundary Size Normal (1.2) */
491 	uint16_t id_nbao;		/* Atomic Boundary Offset (1.2) */
492 	uint16_t id_nabspf;		/* Atomic Boundary Size Fail (1.2) */
493 	uint16_t id_noiob;		/* Optimal I/O Bondary (1.3) */
494 	nvme_uint128_t id_nvmcap;	/* NVM Capacity */
495 	uint16_t id_npwg;		/* NS Pref. Write Gran. (1.4) */
496 	uint16_t id_npwa;		/* NS Pref. Write Align. (1.4) */
497 	uint16_t id_npdg;		/* NS Pref. Deallocate Gran. (1.4) */
498 	uint16_t id_npda;		/* NS Pref. Deallocate Align. (1.4) */
499 	uint16_t id_nows;		/* NS. Optimal Write Size (1.4) */
500 	uint8_t id_rsvd1[92 - 74];
501 	uint32_t id_anagrpid;		/* ANA Group Identifier (1.4) */
502 	uint8_t id_rsvd2[99 - 96];
503 	struct {
504 		uint8_t nsa_wprot:1;	/* Write Protected (1.4) */
505 		uint8_t nsa_rsvd:7;
506 	} id_nsattr;
507 	uint16_t id_nvmsetid;		/* NVM Set Identifier (1.4) */
508 	uint16_t id_endgid;		/* Endurance Group Identifier (1.4) */
509 	uint8_t id_nguid[16];		/* Namespace GUID (1.2) */
510 	uint8_t id_eui64[8];		/* IEEE Extended Unique Id (1.1) */
511 	nvme_idns_lbaf_t id_lbaf[16];	/* LBA Formats */
512 
513 	uint8_t id_rsvd3[384 - 192];
514 
515 	uint8_t id_vs[4096 - 384];	/* Vendor Specific */
516 } nvme_identify_nsid_t;
517 
518 /* NVMe Identify Primary Controller Capabilities */
519 typedef struct {
520 	uint16_t	nipc_cntlid;	/* Controller ID */
521 	uint16_t	nipc_portid;	/* Port Identifier */
522 	uint8_t		nipc_crt;	/* Controller Resource Types */
523 	uint8_t		nipc_rsvd0[32 - 5];
524 	uint32_t	nipc_vqfrt;	/* VQ Resources Flexible Total */
525 	uint32_t	nipc_vqrfa;	/* VQ Resources Flexible Assigned */
526 	uint16_t	nipc_vqrfap;	/* VQ Resources to Primary */
527 	uint16_t	nipc_vqprt;	/* VQ Resources Private Total */
528 	uint16_t	nipc_vqfrsm;	/* VQ Resources Secondary Max */
529 	uint16_t	nipc_vqgran;	/* VQ Flexible Resource Gran */
530 	uint8_t		nipc_rvsd1[64 - 48];
531 	uint32_t	nipc_vifrt;	/* VI Flexible total */
532 	uint32_t	nipc_virfa;	/* VI Flexible Assigned */
533 	uint16_t	nipc_virfap;	/* VI Flexible Allocated to Primary */
534 	uint16_t	nipc_viprt;	/* VI Resources Private Total */
535 	uint16_t	nipc_vifrsm;	/* VI Resources Secondary Max */
536 	uint16_t	nipc_vigran;	/* VI Flexible Granularity */
537 	uint8_t		nipc_rsvd2[4096 - 80];
538 } nvme_identify_primary_caps_t;
539 
540 /*
541  * NVMe completion queue entry status field
542  */
543 typedef struct {
544 	uint16_t sf_p:1;		/* Phase Tag */
545 	uint16_t sf_sc:8;		/* Status Code */
546 	uint16_t sf_sct:3;		/* Status Code Type */
547 	uint16_t sf_rsvd2:2;
548 	uint16_t sf_m:1;		/* More */
549 	uint16_t sf_dnr:1;		/* Do Not Retry */
550 } nvme_cqe_sf_t;
551 
552 
553 /*
554  * NVMe Get Log Page
555  */
556 #define	NVME_LOGPAGE_ERROR	0x1	/* Error Information */
557 #define	NVME_LOGPAGE_HEALTH	0x2	/* SMART/Health Information */
558 #define	NVME_LOGPAGE_FWSLOT	0x3	/* Firmware Slot Information */
559 
560 typedef struct {
561 	uint64_t el_count;		/* Error Count */
562 	uint16_t el_sqid;		/* Submission Queue ID */
563 	uint16_t el_cid;		/* Command ID */
564 	nvme_cqe_sf_t el_sf;		/* Status Field */
565 	uint8_t	el_byte;		/* Parameter Error Location byte */
566 	uint8_t	el_bit:3;		/* Parameter Error Location bit */
567 	uint8_t el_rsvd1:5;
568 	uint64_t el_lba;		/* Logical Block Address */
569 	uint32_t el_nsid;		/* Namespace ID */
570 	uint8_t	el_vendor;		/* Vendor Specific Information avail */
571 	uint8_t el_rsvd2[64 - 29];
572 } nvme_error_log_entry_t;
573 
574 typedef struct {
575 	struct {			/* Critical Warning */
576 		uint8_t cw_avail:1;	/* available space too low */
577 		uint8_t cw_temp:1;	/* temperature too high */
578 		uint8_t cw_reliab:1;	/* degraded reliability */
579 		uint8_t cw_readonly:1;	/* media is read-only */
580 		uint8_t cw_volatile:1;	/* volatile memory backup failed */
581 		uint8_t cw_rsvd:3;
582 	} hl_crit_warn;
583 	uint16_t hl_temp;		/* Temperature */
584 	uint8_t hl_avail_spare;		/* Available Spare */
585 	uint8_t hl_avail_spare_thr;	/* Available Spare Threshold */
586 	uint8_t hl_used;		/* Percentage Used */
587 	uint8_t hl_rsvd1[32 - 6];
588 	nvme_uint128_t hl_data_read;	/* Data Units Read */
589 	nvme_uint128_t hl_data_write;	/* Data Units Written */
590 	nvme_uint128_t hl_host_read;	/* Host Read Commands */
591 	nvme_uint128_t hl_host_write;	/* Host Write Commands */
592 	nvme_uint128_t hl_ctrl_busy;	/* Controller Busy Time */
593 	nvme_uint128_t hl_power_cycles;	/* Power Cycles */
594 	nvme_uint128_t hl_power_on_hours; /* Power On Hours */
595 	nvme_uint128_t hl_unsafe_shutdn; /* Unsafe Shutdowns */
596 	nvme_uint128_t hl_media_errors;	/* Media Errors */
597 	nvme_uint128_t hl_errors_logged; /* Number of errors logged */
598 	/* Added in NVMe 1.2 */
599 	uint32_t hl_warn_temp_time;	/* Warning Composite Temp Time */
600 	uint32_t hl_crit_temp_time;	/* Critical Composite Temp Time */
601 	uint16_t hl_temp_sensor_1;	/* Temperature Sensor 1 */
602 	uint16_t hl_temp_sensor_2;	/* Temperature Sensor 2 */
603 	uint16_t hl_temp_sensor_3;	/* Temperature Sensor 3 */
604 	uint16_t hl_temp_sensor_4;	/* Temperature Sensor 4 */
605 	uint16_t hl_temp_sensor_5;	/* Temperature Sensor 5 */
606 	uint16_t hl_temp_sensor_6;	/* Temperature Sensor 6 */
607 	uint16_t hl_temp_sensor_7;	/* Temperature Sensor 7 */
608 	uint16_t hl_temp_sensor_8;	/* Temperature Sensor 8 */
609 	/* Added in NVMe 1.3 */
610 	uint32_t hl_tmtemp_1_tc;	/* Thermal Mgmt Temp 1 Transition # */
611 	uint32_t hl_tmtemp_2_tc;	/* Thermal Mgmt Temp 1 Transition # */
612 	uint32_t hl_tmtemp_1_time;	/* Time in Thermal Mgmt Temp 1 */
613 	uint32_t hl_tmtemp_2_time;	/* Time in Thermal Mgmt Temp 2 */
614 	uint8_t hl_rsvd2[512 - 232];
615 } nvme_health_log_t;
616 
617 /*
618  * The NVMe spec allows for up to seven firmware slots.
619  */
620 #define	NVME_MAX_FWSLOTS	7
621 #define	NVME_FWVER_SZ		8
622 
623 typedef struct {
624 	/* Active Firmware Slot */
625 	uint8_t fw_afi:3;
626 	uint8_t fw_rsvd1:1;
627 	/* Next Active Firmware Slot */
628 	uint8_t fw_next:3;
629 	uint8_t fw_rsvd2:1;
630 	uint8_t fw_rsvd3[7];
631 	/* Firmware Revision / Slot */
632 	char fw_frs[NVME_MAX_FWSLOTS][NVME_FWVER_SZ];
633 	uint8_t fw_rsvd4[512 - 64];
634 } nvme_fwslot_log_t;
635 
636 
637 /*
638  * NVMe Format NVM
639  */
640 #define	NVME_FRMT_SES_NONE	0
641 #define	NVME_FRMT_SES_USER	1
642 #define	NVME_FRMT_SES_CRYPTO	2
643 #define	NVME_FRMT_MAX_SES	2
644 
645 #define	NVME_FRMT_MAX_LBAF	15
646 
647 typedef union {
648 	struct {
649 		uint32_t fm_lbaf:4;		/* LBA Format */
650 		uint32_t fm_ms:1;		/* Metadata Settings */
651 		uint32_t fm_pi:3;		/* Protection Information */
652 		uint32_t fm_pil:1;		/* Prot. Information Location */
653 		uint32_t fm_ses:3;		/* Secure Erase Settings */
654 		uint32_t fm_resvd:20;
655 	} b;
656 	uint32_t r;
657 } nvme_format_nvm_t;
658 
659 
660 /*
661  * NVMe Get / Set Features
662  */
663 #define	NVME_FEAT_ARBITRATION	0x1	/* Command Arbitration */
664 #define	NVME_FEAT_POWER_MGMT	0x2	/* Power Management */
665 #define	NVME_FEAT_LBA_RANGE	0x3	/* LBA Range Type */
666 #define	NVME_FEAT_TEMPERATURE	0x4	/* Temperature Threshold */
667 #define	NVME_FEAT_ERROR		0x5	/* Error Recovery */
668 #define	NVME_FEAT_WRITE_CACHE	0x6	/* Volatile Write Cache */
669 #define	NVME_FEAT_NQUEUES	0x7	/* Number of Queues */
670 #define	NVME_FEAT_INTR_COAL	0x8	/* Interrupt Coalescing */
671 #define	NVME_FEAT_INTR_VECT	0x9	/* Interrupt Vector Configuration */
672 #define	NVME_FEAT_WRITE_ATOM	0xa	/* Write Atomicity */
673 #define	NVME_FEAT_ASYNC_EVENT	0xb	/* Asynchronous Event Configuration */
674 #define	NVME_FEAT_AUTO_PST	0xc	/* Autonomous Power State Transition */
675 					/* (1.1) */
676 
677 #define	NVME_FEAT_PROGRESS	0x80	/* Software Progress Marker */
678 
679 /* Arbitration Feature */
680 typedef union {
681 	struct {
682 		uint8_t arb_ab:3;	/* Arbitration Burst */
683 		uint8_t arb_rsvd:5;
684 		uint8_t arb_lpw;	/* Low Priority Weight */
685 		uint8_t arb_mpw;	/* Medium Priority Weight */
686 		uint8_t arb_hpw;	/* High Priority Weight */
687 	} b;
688 	uint32_t r;
689 } nvme_arbitration_t;
690 
691 /* Power Management Feature */
692 typedef union {
693 	struct {
694 		uint32_t pm_ps:5;	/* Power State */
695 		uint32_t pm_rsvd:27;
696 	} b;
697 	uint32_t r;
698 } nvme_power_mgmt_t;
699 
700 /* LBA Range Type Feature */
701 typedef union {
702 	struct {
703 		uint32_t lr_num:6;	/* Number of LBA ranges */
704 		uint32_t lr_rsvd:26;
705 	} b;
706 	uint32_t r;
707 } nvme_lba_range_type_t;
708 
709 typedef struct {
710 	uint8_t lr_type;		/* Type */
711 	struct {			/* Attributes */
712 		uint8_t lr_write:1;	/* may be overwritten */
713 		uint8_t lr_hidden:1;	/* hidden from OS/EFI/BIOS */
714 		uint8_t lr_rsvd1:6;
715 	} lr_attr;
716 	uint8_t lr_rsvd2[14];
717 	uint64_t lr_slba;		/* Starting LBA */
718 	uint64_t lr_nlb;		/* Number of Logical Blocks */
719 	uint8_t lr_guid[16];		/* Unique Identifier */
720 	uint8_t lr_rsvd3[16];
721 } nvme_lba_range_t;
722 
723 #define	NVME_LBA_RANGE_BUFSIZE	4096
724 
725 /* Temperature Threshold Feature */
726 typedef union {
727 	struct {
728 		uint16_t tt_tmpth;	/* Temperature Threshold */
729 		uint16_t tt_tmpsel:4;	/* Temperature Select */
730 		uint16_t tt_thsel:2;	/* Temperature Type */
731 		uint16_t tt_resv:10;
732 	} b;
733 	uint32_t r;
734 } nvme_temp_threshold_t;
735 
736 #define	NVME_TEMP_THRESH_MAX_SENSOR	8
737 #define	NVME_TEMP_THRESH_ALL	0xf
738 #define	NVME_TEMP_THRESH_OVER	0x00
739 #define	NVME_TEMP_THRESH_UNDER	0x01
740 
741 /* Error Recovery Feature */
742 typedef union {
743 	struct {
744 		uint16_t er_tler;	/* Time-Limited Error Recovery */
745 		uint16_t er_rsvd;
746 	} b;
747 	uint32_t r;
748 } nvme_error_recovery_t;
749 
750 /* Volatile Write Cache Feature */
751 typedef union {
752 	struct {
753 		uint32_t wc_wce:1;	/* Volatile Write Cache Enable */
754 		uint32_t wc_rsvd:31;
755 	} b;
756 	uint32_t r;
757 } nvme_write_cache_t;
758 
759 /* Number of Queues Feature */
760 typedef union {
761 	struct {
762 		uint16_t nq_nsq;	/* Number of Submission Queues */
763 		uint16_t nq_ncq;	/* Number of Completion Queues */
764 	} b;
765 	uint32_t r;
766 } nvme_nqueues_t;
767 
768 /* Interrupt Coalescing Feature */
769 typedef union {
770 	struct {
771 		uint8_t ic_thr;		/* Aggregation Threshold */
772 		uint8_t ic_time;	/* Aggregation Time */
773 		uint16_t ic_rsvd;
774 	} b;
775 	uint32_t r;
776 } nvme_intr_coal_t;
777 
778 /* Interrupt Configuration Features */
779 typedef union {
780 	struct {
781 		uint16_t iv_iv;		/* Interrupt Vector */
782 		uint16_t iv_cd:1;	/* Coalescing Disable */
783 		uint16_t iv_rsvd:15;
784 	} b;
785 	uint32_t r;
786 } nvme_intr_vect_t;
787 
788 /* Write Atomicity Feature */
789 typedef union {
790 	struct {
791 		uint32_t wa_dn:1;	/* Disable Normal */
792 		uint32_t wa_rsvd:31;
793 	} b;
794 	uint32_t r;
795 } nvme_write_atomicity_t;
796 
797 /* Asynchronous Event Configuration Feature */
798 typedef union {
799 	struct {
800 		uint8_t aec_avail:1;	/* available space too low */
801 		uint8_t aec_temp:1;	/* temperature too high */
802 		uint8_t aec_reliab:1;	/* degraded reliability */
803 		uint8_t aec_readonly:1;	/* media is read-only */
804 		uint8_t aec_volatile:1;	/* volatile memory backup failed */
805 		uint8_t aec_rsvd1:3;
806 		uint8_t aec_rsvd2[3];
807 	} b;
808 	uint32_t r;
809 } nvme_async_event_conf_t;
810 
811 /* Autonomous Power State Transition Feature (1.1) */
812 typedef union {
813 	struct {
814 		uint8_t	apst_apste:1;	/* APST enabled */
815 		uint8_t apst_rsvd:7;
816 	} b;
817 	uint8_t r;
818 } nvme_auto_power_state_trans_t;
819 
820 typedef struct {
821 	uint32_t apst_rsvd1:3;
822 	uint32_t apst_itps:5;	/* Idle Transition Power State */
823 	uint32_t apst_itpt:24;	/* Idle Time Prior to Transition */
824 	uint32_t apst_rsvd2;
825 } nvme_auto_power_state_t;
826 
827 #define	NVME_AUTO_PST_BUFSIZE	256
828 
829 /* Software Progress Marker Feature */
830 typedef union {
831 	struct {
832 		uint8_t spm_pbslc;	/* Pre-Boot Software Load Count */
833 		uint8_t spm_rsvd[3];
834 	} b;
835 	uint32_t r;
836 } nvme_software_progress_marker_t;
837 
838 /*
839  * Firmware Commit - Command Dword 10
840  */
841 #define	NVME_FWC_SAVE		0x0	/* Save image only */
842 #define	NVME_FWC_SAVE_ACTIVATE	0x1	/* Save and activate at next reset */
843 #define	NVME_FWC_ACTIVATE	0x2	/* Activate slot at next reset */
844 #define	NVME_FWC_ACTIVATE_IMMED	0x3	/* Activate slot immediately */
845 
846 /*
847  * Firmware slot number is only 3 bits, and zero is not allowed.
848  * Valid range is 1 to 7.
849  */
850 #define	NVME_FW_SLOT_MIN	1	/* lowest allowable slot number ... */
851 #define	NVME_FW_SLOT_MAX	7	/* ... and highest */
852 
853 /*
854  * Some constants to make verification of DWORD variables and arguments easier.
855  * A DWORD is 4 bytes.
856  */
857 #define	NVME_DWORD_SHIFT	2
858 #define	NVME_DWORD_SIZE		(1 << NVME_DWORD_SHIFT)
859 #define	NVME_DWORD_MASK		(NVME_DWORD_SIZE - 1)
860 
861 /*
862  * Maximum offset a firmware image can be load at is the number of
863  * DWORDS in a 32 bit field. Expressed in bytes its is:
864  */
865 #define	NVME_FW_OFFSETB_MAX	((u_longlong_t)UINT32_MAX << NVME_DWORD_SHIFT)
866 
867 typedef union {
868 	struct {
869 		uint32_t fc_slot:3;	/* Firmware slot */
870 		uint32_t fc_action:3;	/* Commit action */
871 		uint32_t fc_rsvd:26;
872 	} b;
873 	uint32_t r;
874 } nvme_firmware_commit_dw10_t;
875 
876 #pragma pack() /* pack(1) */
877 
878 /* NVMe completion status code type */
879 #define	NVME_CQE_SCT_GENERIC	0	/* Generic Command Status */
880 #define	NVME_CQE_SCT_SPECIFIC	1	/* Command Specific Status */
881 #define	NVME_CQE_SCT_INTEGRITY	2	/* Media and Data Integrity Errors */
882 #define	NVME_CQE_SCT_VENDOR	7	/* Vendor Specific */
883 
884 /* NVMe completion status code (generic) */
885 #define	NVME_CQE_SC_GEN_SUCCESS		0x0	/* Successful Completion */
886 #define	NVME_CQE_SC_GEN_INV_OPC		0x1	/* Invalid Command Opcode */
887 #define	NVME_CQE_SC_GEN_INV_FLD		0x2	/* Invalid Field in Command */
888 #define	NVME_CQE_SC_GEN_ID_CNFL		0x3	/* Command ID Conflict */
889 #define	NVME_CQE_SC_GEN_DATA_XFR_ERR	0x4	/* Data Transfer Error */
890 #define	NVME_CQE_SC_GEN_ABORT_PWRLOSS	0x5	/* Cmds Aborted / Pwr Loss */
891 #define	NVME_CQE_SC_GEN_INTERNAL_ERR	0x6	/* Internal Error */
892 #define	NVME_CQE_SC_GEN_ABORT_REQUEST	0x7	/* Command Abort Requested */
893 #define	NVME_CQE_SC_GEN_ABORT_SQ_DEL	0x8	/* Cmd Aborted / SQ deletion */
894 #define	NVME_CQE_SC_GEN_ABORT_FUSE_FAIL	0x9	/* Cmd Aborted / Failed Fused */
895 #define	NVME_CQE_SC_GEN_ABORT_FUSE_MISS	0xa	/* Cmd Aborted / Missing Fusd */
896 #define	NVME_CQE_SC_GEN_INV_NS		0xb	/* Inval Namespace or Format */
897 #define	NVME_CQE_SC_GEN_CMD_SEQ_ERR	0xc	/* Command Sequence Error */
898 #define	NVME_CQE_SC_GEN_INV_SGL_LAST	0xd	/* Inval SGL Last Seg Desc */
899 #define	NVME_CQE_SC_GEN_INV_SGL_NUM	0xe	/* Inval Number of SGL Desc */
900 #define	NVME_CQE_SC_GEN_INV_DSGL_LEN	0xf	/* Data SGL Length Invalid */
901 #define	NVME_CQE_SC_GEN_INV_MSGL_LEN	0x10	/* Metadata SGL Length Inval */
902 #define	NVME_CQE_SC_GEN_INV_SGL_DESC	0x11	/* SGL Descriptor Type Inval */
903 #define	NVME_CQE_SC_GEN_INV_USE_CMB	0x12	/* Inval use of Ctrl Mem Buf */
904 #define	NVME_CQE_SC_GEN_INV_PRP_OFF	0x13	/* PRP Offset Invalid */
905 #define	NVME_CQE_SC_GEN_AWU_EXCEEDED	0x14	/* Atomic Write Unit Exceeded */
906 
907 /* NVMe completion status code (generic NVM commands) */
908 #define	NVME_CQE_SC_GEN_NVM_LBA_RANGE	0x80	/* LBA Out Of Range */
909 #define	NVME_CQE_SC_GEN_NVM_CAP_EXC	0x81	/* Capacity Exceeded */
910 #define	NVME_CQE_SC_GEN_NVM_NS_NOTRDY	0x82	/* Namespace Not Ready */
911 #define	NVME_CQE_SC_GEN_NVM_RSV_CNFLCT	0x83	/* Reservation Conflict */
912 
913 /* NVMe completion status code (command specific) */
914 #define	NVME_CQE_SC_SPC_INV_CQ		0x0	/* Completion Queue Invalid */
915 #define	NVME_CQE_SC_SPC_INV_QID		0x1	/* Invalid Queue Identifier */
916 #define	NVME_CQE_SC_SPC_MAX_QSZ_EXC	0x2	/* Max Queue Size Exceeded */
917 #define	NVME_CQE_SC_SPC_ABRT_CMD_EXC	0x3	/* Abort Cmd Limit Exceeded */
918 #define	NVME_CQE_SC_SPC_ASYNC_EVREQ_EXC	0x5	/* Async Event Request Limit */
919 #define	NVME_CQE_SC_SPC_INV_FW_SLOT	0x6	/* Invalid Firmware Slot */
920 #define	NVME_CQE_SC_SPC_INV_FW_IMG	0x7	/* Invalid Firmware Image */
921 #define	NVME_CQE_SC_SPC_INV_INT_VECT	0x8	/* Invalid Interrupt Vector */
922 #define	NVME_CQE_SC_SPC_INV_LOG_PAGE	0x9	/* Invalid Log Page */
923 #define	NVME_CQE_SC_SPC_INV_FORMAT	0xa	/* Invalid Format */
924 #define	NVME_CQE_SC_SPC_FW_RESET	0xb	/* FW Application Reset Reqd */
925 #define	NVME_CQE_SC_SPC_INV_Q_DEL	0xc	/* Invalid Queue Deletion */
926 #define	NVME_CQE_SC_SPC_FEAT_SAVE	0xd	/* Feature Id Not Saveable */
927 #define	NVME_CQE_SC_SPC_FEAT_CHG	0xe	/* Feature Not Changeable */
928 #define	NVME_CQE_SC_SPC_FEAT_NS_SPEC	0xf	/* Feature Not Namespace Spec */
929 #define	NVME_CQE_SC_SPC_FW_NSSR		0x10	/* FW Application NSSR Reqd */
930 #define	NVME_CQE_SC_SPC_FW_NEXT_RESET	0x11	/* FW Application Next Reqd */
931 #define	NVME_CQE_SC_SPC_FW_MTFA		0x12	/* FW Application Exceed MTFA */
932 #define	NVME_CQE_SC_SPC_FW_PROHIBITED	0x13	/* FW Application Prohibited */
933 #define	NVME_CQE_SC_SPC_FW_OVERLAP	0x14	/* Overlapping FW ranges */
934 
935 /* NVMe completion status code (NVM command specific */
936 #define	NVME_CQE_SC_SPC_NVM_CNFL_ATTR	0x80	/* Conflicting Attributes */
937 #define	NVME_CQE_SC_SPC_NVM_INV_PROT	0x81	/* Invalid Protection */
938 #define	NVME_CQE_SC_SPC_NVM_READONLY	0x82	/* Write to Read Only Range */
939 
940 /* NVMe completion status code (data / metadata integrity) */
941 #define	NVME_CQE_SC_INT_NVM_WRITE	0x80	/* Write Fault */
942 #define	NVME_CQE_SC_INT_NVM_READ	0x81	/* Unrecovered Read Error */
943 #define	NVME_CQE_SC_INT_NVM_GUARD	0x82	/* Guard Check Error */
944 #define	NVME_CQE_SC_INT_NVM_APPL_TAG	0x83	/* Application Tag Check Err */
945 #define	NVME_CQE_SC_INT_NVM_REF_TAG	0x84	/* Reference Tag Check Err */
946 #define	NVME_CQE_SC_INT_NVM_COMPARE	0x85	/* Compare Failure */
947 #define	NVME_CQE_SC_INT_NVM_ACCESS	0x86	/* Access Denied */
948 
949 #ifdef __cplusplus
950 }
951 #endif
952 
953 #endif /* _SYS_NVME_H */
954