2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2012-2013 Intel Corporation
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/endian.h>
41 #define NVME_PASSTHROUGH_CMD _IOWR('n', 0, struct nvme_pt_command)
42 #define NVME_RESET_CONTROLLER _IO('n', 1)
43 #define NVME_GET_NSID _IOR('n', 2, struct nvme_get_nsid)
45 #define NVME_IO_TEST _IOWR('n', 100, struct nvme_io_test)
46 #define NVME_BIO_TEST _IOWR('n', 101, struct nvme_io_test)
49 * Macros to deal with NVME revisions, as defined VS register
51 #define NVME_REV(x, y) (((x) << 16) | ((y) << 8))
52 #define NVME_MAJOR(r) (((r) >> 16) & 0xffff)
53 #define NVME_MINOR(r) (((r) >> 8) & 0xff)
56 * Use to mark a command to apply to all namespaces, or to retrieve global
59 #define NVME_GLOBAL_NAMESPACE_TAG ((uint32_t)0xFFFFFFFF)
61 /* Cap nvme to 1MB transfers driver explodes with larger sizes */
62 #define NVME_MAX_XFER_SIZE (MAXPHYS < (1<<20) ? MAXPHYS : (1<<20))
64 /* Register field definitions */
65 #define NVME_CAP_LO_REG_MQES_SHIFT (0)
66 #define NVME_CAP_LO_REG_MQES_MASK (0xFFFF)
67 #define NVME_CAP_LO_REG_CQR_SHIFT (16)
68 #define NVME_CAP_LO_REG_CQR_MASK (0x1)
69 #define NVME_CAP_LO_REG_AMS_SHIFT (17)
70 #define NVME_CAP_LO_REG_AMS_MASK (0x3)
71 #define NVME_CAP_LO_REG_TO_SHIFT (24)
72 #define NVME_CAP_LO_REG_TO_MASK (0xFF)
73 #define NVME_CAP_LO_MQES(x) \
74 (((x) >> NVME_CAP_LO_REG_MQES_SHIFT) & NVME_CAP_LO_REG_MQES_MASK)
75 #define NVME_CAP_LO_CQR(x) \
76 (((x) >> NVME_CAP_LO_REG_CQR_SHIFT) & NVME_CAP_LO_REG_CQR_MASK)
77 #define NVME_CAP_LO_AMS(x) \
78 (((x) >> NVME_CAP_LO_REG_AMS_SHIFT) & NVME_CAP_LO_REG_AMS_MASK)
79 #define NVME_CAP_LO_TO(x) \
80 (((x) >> NVME_CAP_LO_REG_TO_SHIFT) & NVME_CAP_LO_REG_TO_MASK)
82 #define NVME_CAP_HI_REG_DSTRD_SHIFT (0)
83 #define NVME_CAP_HI_REG_DSTRD_MASK (0xF)
84 #define NVME_CAP_HI_REG_NSSRS_SHIFT (4)
85 #define NVME_CAP_HI_REG_NSSRS_MASK (0x1)
86 #define NVME_CAP_HI_REG_CSS_NVM_SHIFT (5)
87 #define NVME_CAP_HI_REG_CSS_NVM_MASK (0x1)
88 #define NVME_CAP_HI_REG_BPS_SHIFT (13)
89 #define NVME_CAP_HI_REG_BPS_MASK (0x1)
90 #define NVME_CAP_HI_REG_MPSMIN_SHIFT (16)
91 #define NVME_CAP_HI_REG_MPSMIN_MASK (0xF)
92 #define NVME_CAP_HI_REG_MPSMAX_SHIFT (20)
93 #define NVME_CAP_HI_REG_MPSMAX_MASK (0xF)
94 #define NVME_CAP_HI_REG_PMRS_SHIFT (24)
95 #define NVME_CAP_HI_REG_PMRS_MASK (0x1)
96 #define NVME_CAP_HI_REG_CMBS_SHIFT (25)
97 #define NVME_CAP_HI_REG_CMBS_MASK (0x1)
98 #define NVME_CAP_HI_DSTRD(x) \
99 (((x) >> NVME_CAP_HI_REG_DSTRD_SHIFT) & NVME_CAP_HI_REG_DSTRD_MASK)
100 #define NVME_CAP_HI_CSS_NVM(x) \
101 (((x) >> NVME_CAP_HI_REG_CSS_NVM_SHIFT) & NVME_CAP_HI_REG_CSS_NVM_MASK)
102 #define NVME_CAP_HI_MPSMIN(x) \
103 (((x) >> NVME_CAP_HI_REG_MPSMIN_SHIFT) & NVME_CAP_HI_REG_MPSMIN_MASK)
104 #define NVME_CAP_HI_MPSMAX(x) \
105 (((x) >> NVME_CAP_HI_REG_MPSMAX_SHIFT) & NVME_CAP_HI_REG_MPSMAX_MASK)
107 #define NVME_CC_REG_EN_SHIFT (0)
108 #define NVME_CC_REG_EN_MASK (0x1)
109 #define NVME_CC_REG_CSS_SHIFT (4)
110 #define NVME_CC_REG_CSS_MASK (0x7)
111 #define NVME_CC_REG_MPS_SHIFT (7)
112 #define NVME_CC_REG_MPS_MASK (0xF)
113 #define NVME_CC_REG_AMS_SHIFT (11)
114 #define NVME_CC_REG_AMS_MASK (0x7)
115 #define NVME_CC_REG_SHN_SHIFT (14)
116 #define NVME_CC_REG_SHN_MASK (0x3)
117 #define NVME_CC_REG_IOSQES_SHIFT (16)
118 #define NVME_CC_REG_IOSQES_MASK (0xF)
119 #define NVME_CC_REG_IOCQES_SHIFT (20)
120 #define NVME_CC_REG_IOCQES_MASK (0xF)
122 #define NVME_CSTS_REG_RDY_SHIFT (0)
123 #define NVME_CSTS_REG_RDY_MASK (0x1)
124 #define NVME_CSTS_REG_CFS_SHIFT (1)
125 #define NVME_CSTS_REG_CFS_MASK (0x1)
126 #define NVME_CSTS_REG_SHST_SHIFT (2)
127 #define NVME_CSTS_REG_SHST_MASK (0x3)
128 #define NVME_CSTS_REG_NVSRO_SHIFT (4)
129 #define NVME_CSTS_REG_NVSRO_MASK (0x1)
130 #define NVME_CSTS_REG_PP_SHIFT (5)
131 #define NVME_CSTS_REG_PP_MASK (0x1)
133 #define NVME_CSTS_GET_SHST(csts) (((csts) >> NVME_CSTS_REG_SHST_SHIFT) & NVME_CSTS_REG_SHST_MASK)
135 #define NVME_AQA_REG_ASQS_SHIFT (0)
136 #define NVME_AQA_REG_ASQS_MASK (0xFFF)
137 #define NVME_AQA_REG_ACQS_SHIFT (16)
138 #define NVME_AQA_REG_ACQS_MASK (0xFFF)
140 /* Command field definitions */
142 #define NVME_CMD_FUSE_SHIFT (8)
143 #define NVME_CMD_FUSE_MASK (0x3)
145 #define NVME_STATUS_P_SHIFT (0)
146 #define NVME_STATUS_P_MASK (0x1)
147 #define NVME_STATUS_SC_SHIFT (1)
148 #define NVME_STATUS_SC_MASK (0xFF)
149 #define NVME_STATUS_SCT_SHIFT (9)
150 #define NVME_STATUS_SCT_MASK (0x7)
151 #define NVME_STATUS_CRD_SHIFT (12)
152 #define NVME_STATUS_CRD_MASK (0x3)
153 #define NVME_STATUS_M_SHIFT (14)
154 #define NVME_STATUS_M_MASK (0x1)
155 #define NVME_STATUS_DNR_SHIFT (15)
156 #define NVME_STATUS_DNR_MASK (0x1)
158 #define NVME_STATUS_GET_P(st) (((st) >> NVME_STATUS_P_SHIFT) & NVME_STATUS_P_MASK)
159 #define NVME_STATUS_GET_SC(st) (((st) >> NVME_STATUS_SC_SHIFT) & NVME_STATUS_SC_MASK)
160 #define NVME_STATUS_GET_SCT(st) (((st) >> NVME_STATUS_SCT_SHIFT) & NVME_STATUS_SCT_MASK)
161 #define NVME_STATUS_GET_M(st) (((st) >> NVME_STATUS_M_SHIFT) & NVME_STATUS_M_MASK)
162 #define NVME_STATUS_GET_DNR(st) (((st) >> NVME_STATUS_DNR_SHIFT) & NVME_STATUS_DNR_MASK)
164 #define NVME_PWR_ST_MPS_SHIFT (0)
165 #define NVME_PWR_ST_MPS_MASK (0x1)
166 #define NVME_PWR_ST_NOPS_SHIFT (1)
167 #define NVME_PWR_ST_NOPS_MASK (0x1)
168 #define NVME_PWR_ST_RRT_SHIFT (0)
169 #define NVME_PWR_ST_RRT_MASK (0x1F)
170 #define NVME_PWR_ST_RRL_SHIFT (0)
171 #define NVME_PWR_ST_RRL_MASK (0x1F)
172 #define NVME_PWR_ST_RWT_SHIFT (0)
173 #define NVME_PWR_ST_RWT_MASK (0x1F)
174 #define NVME_PWR_ST_RWL_SHIFT (0)
175 #define NVME_PWR_ST_RWL_MASK (0x1F)
176 #define NVME_PWR_ST_IPS_SHIFT (6)
177 #define NVME_PWR_ST_IPS_MASK (0x3)
178 #define NVME_PWR_ST_APW_SHIFT (0)
179 #define NVME_PWR_ST_APW_MASK (0x7)
180 #define NVME_PWR_ST_APS_SHIFT (6)
181 #define NVME_PWR_ST_APS_MASK (0x3)
183 /** Controller Multi-path I/O and Namespace Sharing Capabilities */
184 /* More then one port */
185 #define NVME_CTRLR_DATA_MIC_MPORTS_SHIFT (0)
186 #define NVME_CTRLR_DATA_MIC_MPORTS_MASK (0x1)
187 /* More then one controller */
188 #define NVME_CTRLR_DATA_MIC_MCTRLRS_SHIFT (1)
189 #define NVME_CTRLR_DATA_MIC_MCTRLRS_MASK (0x1)
190 /* SR-IOV Virtual Function */
191 #define NVME_CTRLR_DATA_MIC_SRIOVVF_SHIFT (2)
192 #define NVME_CTRLR_DATA_MIC_SRIOVVF_MASK (0x1)
193 /* Asymmetric Namespace Access Reporting */
194 #define NVME_CTRLR_DATA_MIC_ANAR_SHIFT (3)
195 #define NVME_CTRLR_DATA_MIC_ANAR_MASK (0x1)
197 /** OACS - optional admin command support */
198 /* supports security send/receive commands */
199 #define NVME_CTRLR_DATA_OACS_SECURITY_SHIFT (0)
200 #define NVME_CTRLR_DATA_OACS_SECURITY_MASK (0x1)
201 /* supports format nvm command */
202 #define NVME_CTRLR_DATA_OACS_FORMAT_SHIFT (1)
203 #define NVME_CTRLR_DATA_OACS_FORMAT_MASK (0x1)
204 /* supports firmware activate/download commands */
205 #define NVME_CTRLR_DATA_OACS_FIRMWARE_SHIFT (2)
206 #define NVME_CTRLR_DATA_OACS_FIRMWARE_MASK (0x1)
207 /* supports namespace management commands */
208 #define NVME_CTRLR_DATA_OACS_NSMGMT_SHIFT (3)
209 #define NVME_CTRLR_DATA_OACS_NSMGMT_MASK (0x1)
210 /* supports Device Self-test command */
211 #define NVME_CTRLR_DATA_OACS_SELFTEST_SHIFT (4)
212 #define NVME_CTRLR_DATA_OACS_SELFTEST_MASK (0x1)
213 /* supports Directives */
214 #define NVME_CTRLR_DATA_OACS_DIRECTIVES_SHIFT (5)
215 #define NVME_CTRLR_DATA_OACS_DIRECTIVES_MASK (0x1)
216 /* supports NVMe-MI Send/Receive */
217 #define NVME_CTRLR_DATA_OACS_NVMEMI_SHIFT (6)
218 #define NVME_CTRLR_DATA_OACS_NVMEMI_MASK (0x1)
219 /* supports Virtualization Management */
220 #define NVME_CTRLR_DATA_OACS_VM_SHIFT (7)
221 #define NVME_CTRLR_DATA_OACS_VM_MASK (0x1)
222 /* supports Doorbell Buffer Config */
223 #define NVME_CTRLR_DATA_OACS_DBBUFFER_SHIFT (8)
224 #define NVME_CTRLR_DATA_OACS_DBBUFFER_MASK (0x1)
225 /* supports Get LBA Status */
226 #define NVME_CTRLR_DATA_OACS_GETLBA_SHIFT (9)
227 #define NVME_CTRLR_DATA_OACS_GETLBA_MASK (0x1)
229 /** firmware updates */
230 /* first slot is read-only */
231 #define NVME_CTRLR_DATA_FRMW_SLOT1_RO_SHIFT (0)
232 #define NVME_CTRLR_DATA_FRMW_SLOT1_RO_MASK (0x1)
233 /* number of firmware slots */
234 #define NVME_CTRLR_DATA_FRMW_NUM_SLOTS_SHIFT (1)
235 #define NVME_CTRLR_DATA_FRMW_NUM_SLOTS_MASK (0x7)
236 /* firmware activation without reset */
237 #define NVME_CTRLR_DATA_FRMW_ACT_WO_RESET_SHIFT (4)
238 #define NVME_CTRLR_DATA_FRMW_ACT_WO_RESET_MASK (0x1)
240 /** log page attributes */
241 /* per namespace smart/health log page */
242 #define NVME_CTRLR_DATA_LPA_NS_SMART_SHIFT (0)
243 #define NVME_CTRLR_DATA_LPA_NS_SMART_MASK (0x1)
245 /** AVSCC - admin vendor specific command configuration */
246 /* admin vendor specific commands use spec format */
247 #define NVME_CTRLR_DATA_AVSCC_SPEC_FORMAT_SHIFT (0)
248 #define NVME_CTRLR_DATA_AVSCC_SPEC_FORMAT_MASK (0x1)
250 /** Autonomous Power State Transition Attributes */
251 /* Autonomous Power State Transitions supported */
252 #define NVME_CTRLR_DATA_APSTA_APST_SUPP_SHIFT (0)
253 #define NVME_CTRLR_DATA_APSTA_APST_SUPP_MASK (0x1)
255 /** Sanitize Capabilities */
256 /* Crypto Erase Support */
257 #define NVME_CTRLR_DATA_SANICAP_CES_SHIFT (0)
258 #define NVME_CTRLR_DATA_SANICAP_CES_MASK (0x1)
259 /* Block Erase Support */
260 #define NVME_CTRLR_DATA_SANICAP_BES_SHIFT (1)
261 #define NVME_CTRLR_DATA_SANICAP_BES_MASK (0x1)
262 /* Overwrite Support */
263 #define NVME_CTRLR_DATA_SANICAP_OWS_SHIFT (2)
264 #define NVME_CTRLR_DATA_SANICAP_OWS_MASK (0x1)
265 /* No-Deallocate Inhibited */
266 #define NVME_CTRLR_DATA_SANICAP_NDI_SHIFT (29)
267 #define NVME_CTRLR_DATA_SANICAP_NDI_MASK (0x1)
268 /* No-Deallocate Modifies Media After Sanitize */
269 #define NVME_CTRLR_DATA_SANICAP_NODMMAS_SHIFT (30)
270 #define NVME_CTRLR_DATA_SANICAP_NODMMAS_MASK (0x3)
271 #define NVME_CTRLR_DATA_SANICAP_NODMMAS_UNDEF (0)
272 #define NVME_CTRLR_DATA_SANICAP_NODMMAS_NO (1)
273 #define NVME_CTRLR_DATA_SANICAP_NODMMAS_YES (2)
275 /** submission queue entry size */
276 #define NVME_CTRLR_DATA_SQES_MIN_SHIFT (0)
277 #define NVME_CTRLR_DATA_SQES_MIN_MASK (0xF)
278 #define NVME_CTRLR_DATA_SQES_MAX_SHIFT (4)
279 #define NVME_CTRLR_DATA_SQES_MAX_MASK (0xF)
281 /** completion queue entry size */
282 #define NVME_CTRLR_DATA_CQES_MIN_SHIFT (0)
283 #define NVME_CTRLR_DATA_CQES_MIN_MASK (0xF)
284 #define NVME_CTRLR_DATA_CQES_MAX_SHIFT (4)
285 #define NVME_CTRLR_DATA_CQES_MAX_MASK (0xF)
287 /** optional nvm command support */
288 #define NVME_CTRLR_DATA_ONCS_COMPARE_SHIFT (0)
289 #define NVME_CTRLR_DATA_ONCS_COMPARE_MASK (0x1)
290 #define NVME_CTRLR_DATA_ONCS_WRITE_UNC_SHIFT (1)
291 #define NVME_CTRLR_DATA_ONCS_WRITE_UNC_MASK (0x1)
292 #define NVME_CTRLR_DATA_ONCS_DSM_SHIFT (2)
293 #define NVME_CTRLR_DATA_ONCS_DSM_MASK (0x1)
294 #define NVME_CTRLR_DATA_ONCS_WRZERO_SHIFT (3)
295 #define NVME_CTRLR_DATA_ONCS_WRZERO_MASK (0x1)
296 #define NVME_CTRLR_DATA_ONCS_SAVEFEAT_SHIFT (4)
297 #define NVME_CTRLR_DATA_ONCS_SAVEFEAT_MASK (0x1)
298 #define NVME_CTRLR_DATA_ONCS_RESERV_SHIFT (5)
299 #define NVME_CTRLR_DATA_ONCS_RESERV_MASK (0x1)
300 #define NVME_CTRLR_DATA_ONCS_TIMESTAMP_SHIFT (6)
301 #define NVME_CTRLR_DATA_ONCS_TIMESTAMP_MASK (0x1)
302 #define NVME_CTRLR_DATA_ONCS_VERIFY_SHIFT (7)
303 #define NVME_CTRLR_DATA_ONCS_VERIFY_MASK (0x1)
305 /** Fused Operation Support */
306 #define NVME_CTRLR_DATA_FUSES_CNW_SHIFT (0)
307 #define NVME_CTRLR_DATA_FUSES_CNW_MASK (0x1)
309 /** Format NVM Attributes */
310 #define NVME_CTRLR_DATA_FNA_FORMAT_ALL_SHIFT (0)
311 #define NVME_CTRLR_DATA_FNA_FORMAT_ALL_MASK (0x1)
312 #define NVME_CTRLR_DATA_FNA_ERASE_ALL_SHIFT (1)
313 #define NVME_CTRLR_DATA_FNA_ERASE_ALL_MASK (0x1)
314 #define NVME_CTRLR_DATA_FNA_CRYPTO_ERASE_SHIFT (2)
315 #define NVME_CTRLR_DATA_FNA_CRYPTO_ERASE_MASK (0x1)
317 /** volatile write cache */
318 /* volatile write cache present */
319 #define NVME_CTRLR_DATA_VWC_PRESENT_SHIFT (0)
320 #define NVME_CTRLR_DATA_VWC_PRESENT_MASK (0x1)
321 /* flush all namespaces supported */
322 #define NVME_CTRLR_DATA_VWC_ALL_SHIFT (1)
323 #define NVME_CTRLR_DATA_VWC_ALL_MASK (0x3)
324 #define NVME_CTRLR_DATA_VWC_ALL_UNKNOWN (0)
325 #define NVME_CTRLR_DATA_VWC_ALL_NO (2)
326 #define NVME_CTRLR_DATA_VWC_ALL_YES (3)
328 /** namespace features */
329 /* thin provisioning */
330 #define NVME_NS_DATA_NSFEAT_THIN_PROV_SHIFT (0)
331 #define NVME_NS_DATA_NSFEAT_THIN_PROV_MASK (0x1)
332 /* NAWUN, NAWUPF, and NACWU fields are valid */
333 #define NVME_NS_DATA_NSFEAT_NA_FIELDS_SHIFT (1)
334 #define NVME_NS_DATA_NSFEAT_NA_FIELDS_MASK (0x1)
335 /* Deallocated or Unwritten Logical Block errors supported */
336 #define NVME_NS_DATA_NSFEAT_DEALLOC_SHIFT (2)
337 #define NVME_NS_DATA_NSFEAT_DEALLOC_MASK (0x1)
338 /* NGUID and EUI64 fields are not reusable */
339 #define NVME_NS_DATA_NSFEAT_NO_ID_REUSE_SHIFT (3)
340 #define NVME_NS_DATA_NSFEAT_NO_ID_REUSE_MASK (0x1)
341 /* NPWG, NPWA, NPDG, NPDA, and NOWS are valid */
342 #define NVME_NS_DATA_NSFEAT_NPVALID_SHIFT (4)
343 #define NVME_NS_DATA_NSFEAT_NPVALID_MASK (0x1)
345 /** formatted lba size */
346 #define NVME_NS_DATA_FLBAS_FORMAT_SHIFT (0)
347 #define NVME_NS_DATA_FLBAS_FORMAT_MASK (0xF)
348 #define NVME_NS_DATA_FLBAS_EXTENDED_SHIFT (4)
349 #define NVME_NS_DATA_FLBAS_EXTENDED_MASK (0x1)
351 /** metadata capabilities */
352 /* metadata can be transferred as part of data prp list */
353 #define NVME_NS_DATA_MC_EXTENDED_SHIFT (0)
354 #define NVME_NS_DATA_MC_EXTENDED_MASK (0x1)
355 /* metadata can be transferred with separate metadata pointer */
356 #define NVME_NS_DATA_MC_POINTER_SHIFT (1)
357 #define NVME_NS_DATA_MC_POINTER_MASK (0x1)
359 /** end-to-end data protection capabilities */
360 /* protection information type 1 */
361 #define NVME_NS_DATA_DPC_PIT1_SHIFT (0)
362 #define NVME_NS_DATA_DPC_PIT1_MASK (0x1)
363 /* protection information type 2 */
364 #define NVME_NS_DATA_DPC_PIT2_SHIFT (1)
365 #define NVME_NS_DATA_DPC_PIT2_MASK (0x1)
366 /* protection information type 3 */
367 #define NVME_NS_DATA_DPC_PIT3_SHIFT (2)
368 #define NVME_NS_DATA_DPC_PIT3_MASK (0x1)
369 /* first eight bytes of metadata */
370 #define NVME_NS_DATA_DPC_MD_START_SHIFT (3)
371 #define NVME_NS_DATA_DPC_MD_START_MASK (0x1)
372 /* last eight bytes of metadata */
373 #define NVME_NS_DATA_DPC_MD_END_SHIFT (4)
374 #define NVME_NS_DATA_DPC_MD_END_MASK (0x1)
376 /** end-to-end data protection type settings */
377 /* protection information type */
378 #define NVME_NS_DATA_DPS_PIT_SHIFT (0)
379 #define NVME_NS_DATA_DPS_PIT_MASK (0x7)
380 /* 1 == protection info transferred at start of metadata */
381 /* 0 == protection info transferred at end of metadata */
382 #define NVME_NS_DATA_DPS_MD_START_SHIFT (3)
383 #define NVME_NS_DATA_DPS_MD_START_MASK (0x1)
385 /** Namespace Multi-path I/O and Namespace Sharing Capabilities */
386 /* the namespace may be attached to two or more controllers */
387 #define NVME_NS_DATA_NMIC_MAY_BE_SHARED_SHIFT (0)
388 #define NVME_NS_DATA_NMIC_MAY_BE_SHARED_MASK (0x1)
390 /** Reservation Capabilities */
391 /* Persist Through Power Loss */
392 #define NVME_NS_DATA_RESCAP_PTPL_SHIFT (0)
393 #define NVME_NS_DATA_RESCAP_PTPL_MASK (0x1)
394 /* supports the Write Exclusive */
395 #define NVME_NS_DATA_RESCAP_WR_EX_SHIFT (1)
396 #define NVME_NS_DATA_RESCAP_WR_EX_MASK (0x1)
397 /* supports the Exclusive Access */
398 #define NVME_NS_DATA_RESCAP_EX_AC_SHIFT (2)
399 #define NVME_NS_DATA_RESCAP_EX_AC_MASK (0x1)
400 /* supports the Write Exclusive – Registrants Only */
401 #define NVME_NS_DATA_RESCAP_WR_EX_RO_SHIFT (3)
402 #define NVME_NS_DATA_RESCAP_WR_EX_RO_MASK (0x1)
403 /* supports the Exclusive Access - Registrants Only */
404 #define NVME_NS_DATA_RESCAP_EX_AC_RO_SHIFT (4)
405 #define NVME_NS_DATA_RESCAP_EX_AC_RO_MASK (0x1)
406 /* supports the Write Exclusive – All Registrants */
407 #define NVME_NS_DATA_RESCAP_WR_EX_AR_SHIFT (5)
408 #define NVME_NS_DATA_RESCAP_WR_EX_AR_MASK (0x1)
409 /* supports the Exclusive Access - All Registrants */
410 #define NVME_NS_DATA_RESCAP_EX_AC_AR_SHIFT (6)
411 #define NVME_NS_DATA_RESCAP_EX_AC_AR_MASK (0x1)
412 /* Ignore Existing Key is used as defined in revision 1.3 or later */
413 #define NVME_NS_DATA_RESCAP_IEKEY13_SHIFT (7)
414 #define NVME_NS_DATA_RESCAP_IEKEY13_MASK (0x1)
416 /** Format Progress Indicator */
417 /* percentage of the Format NVM command that remains to be completed */
418 #define NVME_NS_DATA_FPI_PERC_SHIFT (0)
419 #define NVME_NS_DATA_FPI_PERC_MASK (0x7f)
420 /* namespace supports the Format Progress Indicator */
421 #define NVME_NS_DATA_FPI_SUPP_SHIFT (7)
422 #define NVME_NS_DATA_FPI_SUPP_MASK (0x1)
424 /** Deallocate Logical Block Features */
425 /* deallocated logical block read behavior */
426 #define NVME_NS_DATA_DLFEAT_READ_SHIFT (0)
427 #define NVME_NS_DATA_DLFEAT_READ_MASK (0x07)
428 #define NVME_NS_DATA_DLFEAT_READ_NR (0x00)
429 #define NVME_NS_DATA_DLFEAT_READ_00 (0x01)
430 #define NVME_NS_DATA_DLFEAT_READ_FF (0x02)
431 /* supports the Deallocate bit in the Write Zeroes */
432 #define NVME_NS_DATA_DLFEAT_DWZ_SHIFT (3)
433 #define NVME_NS_DATA_DLFEAT_DWZ_MASK (0x01)
434 /* Guard field for deallocated logical blocks is set to the CRC */
435 #define NVME_NS_DATA_DLFEAT_GCRC_SHIFT (4)
436 #define NVME_NS_DATA_DLFEAT_GCRC_MASK (0x01)
438 /** lba format support */
440 #define NVME_NS_DATA_LBAF_MS_SHIFT (0)
441 #define NVME_NS_DATA_LBAF_MS_MASK (0xFFFF)
443 #define NVME_NS_DATA_LBAF_LBADS_SHIFT (16)
444 #define NVME_NS_DATA_LBAF_LBADS_MASK (0xFF)
445 /* relative performance */
446 #define NVME_NS_DATA_LBAF_RP_SHIFT (24)
447 #define NVME_NS_DATA_LBAF_RP_MASK (0x3)
449 enum nvme_critical_warning_state {
450 NVME_CRIT_WARN_ST_AVAILABLE_SPARE = 0x1,
451 NVME_CRIT_WARN_ST_TEMPERATURE = 0x2,
452 NVME_CRIT_WARN_ST_DEVICE_RELIABILITY = 0x4,
453 NVME_CRIT_WARN_ST_READ_ONLY = 0x8,
454 NVME_CRIT_WARN_ST_VOLATILE_MEMORY_BACKUP = 0x10,
456 #define NVME_CRIT_WARN_ST_RESERVED_MASK (0xE0)
458 /* slot for current FW */
459 #define NVME_FIRMWARE_PAGE_AFI_SLOT_SHIFT (0)
460 #define NVME_FIRMWARE_PAGE_AFI_SLOT_MASK (0x7)
462 /* Commands Supported and Effects */
463 #define NVME_CE_PAGE_CSUP_SHIFT (0)
464 #define NVME_CE_PAGE_CSUP_MASK (0x1)
465 #define NVME_CE_PAGE_LBCC_SHIFT (1)
466 #define NVME_CE_PAGE_LBCC_MASK (0x1)
467 #define NVME_CE_PAGE_NCC_SHIFT (2)
468 #define NVME_CE_PAGE_NCC_MASK (0x1)
469 #define NVME_CE_PAGE_NIC_SHIFT (3)
470 #define NVME_CE_PAGE_NIC_MASK (0x1)
471 #define NVME_CE_PAGE_CCC_SHIFT (4)
472 #define NVME_CE_PAGE_CCC_MASK (0x1)
473 #define NVME_CE_PAGE_CSE_SHIFT (16)
474 #define NVME_CE_PAGE_CSE_MASK (0x7)
475 #define NVME_CE_PAGE_UUID_SHIFT (19)
476 #define NVME_CE_PAGE_UUID_MASK (0x1)
478 /* Sanitize Status */
479 #define NVME_SS_PAGE_SSTAT_STATUS_SHIFT (0)
480 #define NVME_SS_PAGE_SSTAT_STATUS_MASK (0x7)
481 #define NVME_SS_PAGE_SSTAT_STATUS_NEVER (0)
482 #define NVME_SS_PAGE_SSTAT_STATUS_COMPLETED (1)
483 #define NVME_SS_PAGE_SSTAT_STATUS_INPROG (2)
484 #define NVME_SS_PAGE_SSTAT_STATUS_FAILED (3)
485 #define NVME_SS_PAGE_SSTAT_STATUS_COMPLETEDWD (4)
486 #define NVME_SS_PAGE_SSTAT_PASSES_SHIFT (3)
487 #define NVME_SS_PAGE_SSTAT_PASSES_MASK (0x1f)
488 #define NVME_SS_PAGE_SSTAT_GDE_SHIFT (8)
489 #define NVME_SS_PAGE_SSTAT_GDE_MASK (0x1)
491 /* CC register SHN field values */
493 NVME_SHN_NORMAL = 0x1,
494 NVME_SHN_ABRUPT = 0x2,
497 /* CSTS register SHST field values */
499 NVME_SHST_NORMAL = 0x0,
500 NVME_SHST_OCCURRING = 0x1,
501 NVME_SHST_COMPLETE = 0x2,
504 struct nvme_registers
506 uint32_t cap_lo; /* controller capabilities */
508 uint32_t vs; /* version */
509 uint32_t intms; /* interrupt mask set */
510 uint32_t intmc; /* interrupt mask clear */
511 uint32_t cc; /* controller configuration */
513 uint32_t csts; /* controller status */
514 uint32_t nssr; /* NVM Subsystem Reset */
515 uint32_t aqa; /* admin queue attributes */
516 uint64_t asq; /* admin submission queue base addr */
517 uint64_t acq; /* admin completion queue base addr */
518 uint32_t cmbloc; /* Controller Memory Buffer Location */
519 uint32_t cmbsz; /* Controller Memory Buffer Size */
520 uint32_t bpinfo; /* Boot Partition Information */
521 uint32_t bprsel; /* Boot Partition Read Select */
522 uint64_t bpmbl; /* Boot Partition Memory Buffer Location */
523 uint64_t cmbmsc; /* Controller Memory Buffer Memory Space Control */
524 uint32_t cmbsts; /* Controller Memory Buffer Status */
525 uint8_t reserved3[3492]; /* 5Ch - DFFh */
526 uint32_t pmrcap; /* Persistent Memory Capabilities */
527 uint32_t pmrctl; /* Persistent Memory Region Control */
528 uint32_t pmrsts; /* Persistent Memory Region Status */
529 uint32_t pmrebs; /* Persistent Memory Region Elasticity Buffer Size */
530 uint32_t pmrswtp; /* Persistent Memory Region Sustained Write Throughput */
531 uint32_t pmrmsc_lo; /* Persistent Memory Region Controller Memory Space Control */
533 uint8_t reserved4[484]; /* E1Ch - FFFh */
535 uint32_t sq_tdbl; /* submission queue tail doorbell */
536 uint32_t cq_hdbl; /* completion queue head doorbell */
537 } doorbell[1] __packed;
540 _Static_assert(sizeof(struct nvme_registers) == 0x1008, "bad size for nvme_registers");
545 uint8_t opc; /* opcode */
546 uint8_t fuse; /* fused operation */
547 uint16_t cid; /* command identifier */
550 uint32_t nsid; /* namespace identifier */
557 uint64_t mptr; /* metadata pointer */
560 uint64_t prp1; /* prp entry 1 */
563 uint64_t prp2; /* prp entry 2 */
566 uint32_t cdw10; /* command-specific */
567 uint32_t cdw11; /* command-specific */
568 uint32_t cdw12; /* command-specific */
569 uint32_t cdw13; /* command-specific */
570 uint32_t cdw14; /* command-specific */
571 uint32_t cdw15; /* command-specific */
574 _Static_assert(sizeof(struct nvme_command) == 16 * 4, "bad size for nvme_command");
576 struct nvme_completion {
579 uint32_t cdw0; /* command-specific */
585 uint16_t sqhd; /* submission queue head pointer */
586 uint16_t sqid; /* submission queue identifier */
589 uint16_t cid; /* command identifier */
593 _Static_assert(sizeof(struct nvme_completion) == 4 * 4, "bad size for nvme_completion");
595 struct nvme_dsm_range {
598 uint64_t starting_lba;
601 /* Largest DSM Trim that can be done */
602 #define NVME_MAX_DSM_TRIM 4096
604 _Static_assert(sizeof(struct nvme_dsm_range) == 16, "bad size for nvme_dsm_ranage");
606 /* status code types */
607 enum nvme_status_code_type {
608 NVME_SCT_GENERIC = 0x0,
609 NVME_SCT_COMMAND_SPECIFIC = 0x1,
610 NVME_SCT_MEDIA_ERROR = 0x2,
611 NVME_SCT_PATH_RELATED = 0x3,
612 /* 0x3-0x6 - reserved */
613 NVME_SCT_VENDOR_SPECIFIC = 0x7,
616 /* generic command status codes */
617 enum nvme_generic_command_status_code {
618 NVME_SC_SUCCESS = 0x00,
619 NVME_SC_INVALID_OPCODE = 0x01,
620 NVME_SC_INVALID_FIELD = 0x02,
621 NVME_SC_COMMAND_ID_CONFLICT = 0x03,
622 NVME_SC_DATA_TRANSFER_ERROR = 0x04,
623 NVME_SC_ABORTED_POWER_LOSS = 0x05,
624 NVME_SC_INTERNAL_DEVICE_ERROR = 0x06,
625 NVME_SC_ABORTED_BY_REQUEST = 0x07,
626 NVME_SC_ABORTED_SQ_DELETION = 0x08,
627 NVME_SC_ABORTED_FAILED_FUSED = 0x09,
628 NVME_SC_ABORTED_MISSING_FUSED = 0x0a,
629 NVME_SC_INVALID_NAMESPACE_OR_FORMAT = 0x0b,
630 NVME_SC_COMMAND_SEQUENCE_ERROR = 0x0c,
631 NVME_SC_INVALID_SGL_SEGMENT_DESCR = 0x0d,
632 NVME_SC_INVALID_NUMBER_OF_SGL_DESCR = 0x0e,
633 NVME_SC_DATA_SGL_LENGTH_INVALID = 0x0f,
634 NVME_SC_METADATA_SGL_LENGTH_INVALID = 0x10,
635 NVME_SC_SGL_DESCRIPTOR_TYPE_INVALID = 0x11,
636 NVME_SC_INVALID_USE_OF_CMB = 0x12,
637 NVME_SC_PRP_OFFET_INVALID = 0x13,
638 NVME_SC_ATOMIC_WRITE_UNIT_EXCEEDED = 0x14,
639 NVME_SC_OPERATION_DENIED = 0x15,
640 NVME_SC_SGL_OFFSET_INVALID = 0x16,
641 /* 0x17 - reserved */
642 NVME_SC_HOST_ID_INCONSISTENT_FORMAT = 0x18,
643 NVME_SC_KEEP_ALIVE_TIMEOUT_EXPIRED = 0x19,
644 NVME_SC_KEEP_ALIVE_TIMEOUT_INVALID = 0x1a,
645 NVME_SC_ABORTED_DUE_TO_PREEMPT = 0x1b,
646 NVME_SC_SANITIZE_FAILED = 0x1c,
647 NVME_SC_SANITIZE_IN_PROGRESS = 0x1d,
648 NVME_SC_SGL_DATA_BLOCK_GRAN_INVALID = 0x1e,
649 NVME_SC_NOT_SUPPORTED_IN_CMB = 0x1f,
650 NVME_SC_NAMESPACE_IS_WRITE_PROTECTED = 0x20,
651 NVME_SC_COMMAND_INTERRUPTED = 0x21,
652 NVME_SC_TRANSIENT_TRANSPORT_ERROR = 0x22,
654 NVME_SC_LBA_OUT_OF_RANGE = 0x80,
655 NVME_SC_CAPACITY_EXCEEDED = 0x81,
656 NVME_SC_NAMESPACE_NOT_READY = 0x82,
657 NVME_SC_RESERVATION_CONFLICT = 0x83,
658 NVME_SC_FORMAT_IN_PROGRESS = 0x84,
661 /* command specific status codes */
662 enum nvme_command_specific_status_code {
663 NVME_SC_COMPLETION_QUEUE_INVALID = 0x00,
664 NVME_SC_INVALID_QUEUE_IDENTIFIER = 0x01,
665 NVME_SC_MAXIMUM_QUEUE_SIZE_EXCEEDED = 0x02,
666 NVME_SC_ABORT_COMMAND_LIMIT_EXCEEDED = 0x03,
667 /* 0x04 - reserved */
668 NVME_SC_ASYNC_EVENT_REQUEST_LIMIT_EXCEEDED = 0x05,
669 NVME_SC_INVALID_FIRMWARE_SLOT = 0x06,
670 NVME_SC_INVALID_FIRMWARE_IMAGE = 0x07,
671 NVME_SC_INVALID_INTERRUPT_VECTOR = 0x08,
672 NVME_SC_INVALID_LOG_PAGE = 0x09,
673 NVME_SC_INVALID_FORMAT = 0x0a,
674 NVME_SC_FIRMWARE_REQUIRES_RESET = 0x0b,
675 NVME_SC_INVALID_QUEUE_DELETION = 0x0c,
676 NVME_SC_FEATURE_NOT_SAVEABLE = 0x0d,
677 NVME_SC_FEATURE_NOT_CHANGEABLE = 0x0e,
678 NVME_SC_FEATURE_NOT_NS_SPECIFIC = 0x0f,
679 NVME_SC_FW_ACT_REQUIRES_NVMS_RESET = 0x10,
680 NVME_SC_FW_ACT_REQUIRES_RESET = 0x11,
681 NVME_SC_FW_ACT_REQUIRES_TIME = 0x12,
682 NVME_SC_FW_ACT_PROHIBITED = 0x13,
683 NVME_SC_OVERLAPPING_RANGE = 0x14,
684 NVME_SC_NS_INSUFFICIENT_CAPACITY = 0x15,
685 NVME_SC_NS_ID_UNAVAILABLE = 0x16,
686 /* 0x17 - reserved */
687 NVME_SC_NS_ALREADY_ATTACHED = 0x18,
688 NVME_SC_NS_IS_PRIVATE = 0x19,
689 NVME_SC_NS_NOT_ATTACHED = 0x1a,
690 NVME_SC_THIN_PROV_NOT_SUPPORTED = 0x1b,
691 NVME_SC_CTRLR_LIST_INVALID = 0x1c,
692 NVME_SC_SELT_TEST_IN_PROGRESS = 0x1d,
693 NVME_SC_BOOT_PART_WRITE_PROHIB = 0x1e,
694 NVME_SC_INVALID_CTRLR_ID = 0x1f,
695 NVME_SC_INVALID_SEC_CTRLR_STATE = 0x20,
696 NVME_SC_INVALID_NUM_OF_CTRLR_RESRC = 0x21,
697 NVME_SC_INVALID_RESOURCE_ID = 0x22,
698 NVME_SC_SANITIZE_PROHIBITED_WPMRE = 0x23,
699 NVME_SC_ANA_GROUP_ID_INVALID = 0x24,
700 NVME_SC_ANA_ATTACH_FAILED = 0x25,
702 NVME_SC_CONFLICTING_ATTRIBUTES = 0x80,
703 NVME_SC_INVALID_PROTECTION_INFO = 0x81,
704 NVME_SC_ATTEMPTED_WRITE_TO_RO_PAGE = 0x82,
707 /* media error status codes */
708 enum nvme_media_error_status_code {
709 NVME_SC_WRITE_FAULTS = 0x80,
710 NVME_SC_UNRECOVERED_READ_ERROR = 0x81,
711 NVME_SC_GUARD_CHECK_ERROR = 0x82,
712 NVME_SC_APPLICATION_TAG_CHECK_ERROR = 0x83,
713 NVME_SC_REFERENCE_TAG_CHECK_ERROR = 0x84,
714 NVME_SC_COMPARE_FAILURE = 0x85,
715 NVME_SC_ACCESS_DENIED = 0x86,
716 NVME_SC_DEALLOCATED_OR_UNWRITTEN = 0x87,
719 /* path related status codes */
720 enum nvme_path_related_status_code {
721 NVME_SC_INTERNAL_PATH_ERROR = 0x00,
722 NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS = 0x01,
723 NVME_SC_ASYMMETRIC_ACCESS_INACCESSIBLE = 0x02,
724 NVME_SC_ASYMMETRIC_ACCESS_TRANSITION = 0x03,
725 NVME_SC_CONTROLLER_PATHING_ERROR = 0x60,
726 NVME_SC_HOST_PATHING_ERROR = 0x70,
727 NVME_SC_COMMAND_ABOTHED_BY_HOST = 0x71,
731 enum nvme_admin_opcode {
732 NVME_OPC_DELETE_IO_SQ = 0x00,
733 NVME_OPC_CREATE_IO_SQ = 0x01,
734 NVME_OPC_GET_LOG_PAGE = 0x02,
735 /* 0x03 - reserved */
736 NVME_OPC_DELETE_IO_CQ = 0x04,
737 NVME_OPC_CREATE_IO_CQ = 0x05,
738 NVME_OPC_IDENTIFY = 0x06,
739 /* 0x07 - reserved */
740 NVME_OPC_ABORT = 0x08,
741 NVME_OPC_SET_FEATURES = 0x09,
742 NVME_OPC_GET_FEATURES = 0x0a,
743 /* 0x0b - reserved */
744 NVME_OPC_ASYNC_EVENT_REQUEST = 0x0c,
745 NVME_OPC_NAMESPACE_MANAGEMENT = 0x0d,
746 /* 0x0e-0x0f - reserved */
747 NVME_OPC_FIRMWARE_ACTIVATE = 0x10,
748 NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD = 0x11,
749 /* 0x12-0x13 - reserved */
750 NVME_OPC_DEVICE_SELF_TEST = 0x14,
751 NVME_OPC_NAMESPACE_ATTACHMENT = 0x15,
752 /* 0x16-0x17 - reserved */
753 NVME_OPC_KEEP_ALIVE = 0x18,
754 NVME_OPC_DIRECTIVE_SEND = 0x19,
755 NVME_OPC_DIRECTIVE_RECEIVE = 0x1a,
756 /* 0x1b - reserved */
757 NVME_OPC_VIRTUALIZATION_MANAGEMENT = 0x1c,
758 NVME_OPC_NVME_MI_SEND = 0x1d,
759 NVME_OPC_NVME_MI_RECEIVE = 0x1e,
760 /* 0x1f-0x7b - reserved */
761 NVME_OPC_DOORBELL_BUFFER_CONFIG = 0x7c,
763 NVME_OPC_FORMAT_NVM = 0x80,
764 NVME_OPC_SECURITY_SEND = 0x81,
765 NVME_OPC_SECURITY_RECEIVE = 0x82,
766 /* 0x83 - reserved */
767 NVME_OPC_SANITIZE = 0x84,
768 /* 0x85 - reserved */
769 NVME_OPC_GET_LBA_STATUS = 0x86,
772 /* nvme nvm opcodes */
773 enum nvme_nvm_opcode {
774 NVME_OPC_FLUSH = 0x00,
775 NVME_OPC_WRITE = 0x01,
776 NVME_OPC_READ = 0x02,
777 /* 0x03 - reserved */
778 NVME_OPC_WRITE_UNCORRECTABLE = 0x04,
779 NVME_OPC_COMPARE = 0x05,
780 /* 0x06-0x07 - reserved */
781 NVME_OPC_WRITE_ZEROES = 0x08,
782 NVME_OPC_DATASET_MANAGEMENT = 0x09,
783 /* 0x0a-0x0b - reserved */
784 NVME_OPC_VERIFY = 0x0c,
785 NVME_OPC_RESERVATION_REGISTER = 0x0d,
786 NVME_OPC_RESERVATION_REPORT = 0x0e,
787 /* 0x0f-0x10 - reserved */
788 NVME_OPC_RESERVATION_ACQUIRE = 0x11,
789 /* 0x12-0x14 - reserved */
790 NVME_OPC_RESERVATION_RELEASE = 0x15,
794 /* 0x00 - reserved */
795 NVME_FEAT_ARBITRATION = 0x01,
796 NVME_FEAT_POWER_MANAGEMENT = 0x02,
797 NVME_FEAT_LBA_RANGE_TYPE = 0x03,
798 NVME_FEAT_TEMPERATURE_THRESHOLD = 0x04,
799 NVME_FEAT_ERROR_RECOVERY = 0x05,
800 NVME_FEAT_VOLATILE_WRITE_CACHE = 0x06,
801 NVME_FEAT_NUMBER_OF_QUEUES = 0x07,
802 NVME_FEAT_INTERRUPT_COALESCING = 0x08,
803 NVME_FEAT_INTERRUPT_VECTOR_CONFIGURATION = 0x09,
804 NVME_FEAT_WRITE_ATOMICITY = 0x0A,
805 NVME_FEAT_ASYNC_EVENT_CONFIGURATION = 0x0B,
806 NVME_FEAT_AUTONOMOUS_POWER_STATE_TRANSITION = 0x0C,
807 NVME_FEAT_HOST_MEMORY_BUFFER = 0x0D,
808 NVME_FEAT_TIMESTAMP = 0x0E,
809 NVME_FEAT_KEEP_ALIVE_TIMER = 0x0F,
810 NVME_FEAT_HOST_CONTROLLED_THERMAL_MGMT = 0x10,
811 NVME_FEAT_NON_OP_POWER_STATE_CONFIG = 0x11,
812 NVME_FEAT_READ_RECOVERY_LEVEL_CONFIG = 0x12,
813 NVME_FEAT_PREDICTABLE_LATENCY_MODE_CONFIG = 0x13,
814 NVME_FEAT_PREDICTABLE_LATENCY_MODE_WINDOW = 0x14,
815 NVME_FEAT_LBA_STATUS_INFORMATION_ATTRIBUTES = 0x15,
816 NVME_FEAT_HOST_BEHAVIOR_SUPPORT = 0x16,
817 NVME_FEAT_SANITIZE_CONFIG = 0x17,
818 NVME_FEAT_ENDURANCE_GROUP_EVENT_CONFIGURATION = 0x18,
819 /* 0x19-0x77 - reserved */
820 /* 0x78-0x7f - NVMe Management Interface */
821 NVME_FEAT_SOFTWARE_PROGRESS_MARKER = 0x80,
822 NVME_FEAT_HOST_IDENTIFIER = 0x81,
823 NVME_FEAT_RESERVATION_NOTIFICATION_MASK = 0x82,
824 NVME_FEAT_RESERVATION_PERSISTENCE = 0x83,
825 NVME_FEAT_NAMESPACE_WRITE_PROTECTION_CONFIG = 0x84,
826 /* 0x85-0xBF - command set specific (reserved) */
827 /* 0xC0-0xFF - vendor specific */
830 enum nvme_dsm_attribute {
831 NVME_DSM_ATTR_INTEGRAL_READ = 0x1,
832 NVME_DSM_ATTR_INTEGRAL_WRITE = 0x2,
833 NVME_DSM_ATTR_DEALLOCATE = 0x4,
836 enum nvme_activate_action {
837 NVME_AA_REPLACE_NO_ACTIVATE = 0x0,
838 NVME_AA_REPLACE_ACTIVATE = 0x1,
839 NVME_AA_ACTIVATE = 0x2,
842 struct nvme_power_state {
844 uint16_t mp; /* Maximum Power */
846 uint8_t mps_nops; /* Max Power Scale, Non-Operational State */
848 uint32_t enlat; /* Entry Latency */
849 uint32_t exlat; /* Exit Latency */
851 uint8_t rrt; /* Relative Read Throughput */
852 uint8_t rrl; /* Relative Read Latency */
853 uint8_t rwt; /* Relative Write Throughput */
854 uint8_t rwl; /* Relative Write Latency */
856 uint16_t idlp; /* Idle Power */
857 uint8_t ips; /* Idle Power Scale */
860 uint16_t actp; /* Active Power */
861 uint8_t apw_aps; /* Active Power Workload, Active Power Scale */
862 uint8_t ps_rsvd10[9];
865 _Static_assert(sizeof(struct nvme_power_state) == 32, "bad size for nvme_power_state");
867 #define NVME_SERIAL_NUMBER_LENGTH 20
868 #define NVME_MODEL_NUMBER_LENGTH 40
869 #define NVME_FIRMWARE_REVISION_LENGTH 8
871 struct nvme_controller_data {
873 /* bytes 0-255: controller capabilities and features */
878 /** pci subsystem vendor id */
882 uint8_t sn[NVME_SERIAL_NUMBER_LENGTH];
885 uint8_t mn[NVME_MODEL_NUMBER_LENGTH];
887 /** firmware revision */
888 uint8_t fr[NVME_FIRMWARE_REVISION_LENGTH];
890 /** recommended arbitration burst */
893 /** ieee oui identifier */
896 /** multi-interface capabilities */
899 /** maximum data transfer size */
908 /** RTD3 Resume Latency */
911 /** RTD3 Enter Latency */
914 /** Optional Asynchronous Events Supported */
915 uint32_t oaes; /* bitfield really */
917 /** Controller Attributes */
918 uint32_t ctratt; /* bitfield really */
920 /** Read Recovery Levels Supported */
923 uint8_t reserved1[9];
925 /** Controller Type */
928 /** FRU Globally Unique Identifier */
931 /** Command Retry Delay Time 1 */
934 /** Command Retry Delay Time 2 */
937 /** Command Retry Delay Time 3 */
940 uint8_t reserved2[122];
942 /* bytes 256-511: admin command set attributes */
944 /** optional admin command support */
947 /** abort command limit */
950 /** asynchronous event request limit */
953 /** firmware updates */
956 /** log page attributes */
959 /** error log page entries */
962 /** number of power states supported */
965 /** admin vendor specific command configuration */
968 /** Autonomous Power State Transition Attributes */
971 /** Warning Composite Temperature Threshold */
974 /** Critical Composite Temperature Threshold */
977 /** Maximum Time for Firmware Activation */
980 /** Host Memory Buffer Preferred Size */
983 /** Host Memory Buffer Minimum Size */
986 /** Name space capabilities */
988 /* if nsmgmt, report tnvmcap and unvmcap */
993 /** Replay Protected Memory Block Support */
994 uint32_t rpmbs; /* Really a bitfield */
996 /** Extended Device Self-test Time */
999 /** Device Self-test Options */
1000 uint8_t dsto; /* Really a bitfield */
1002 /** Firmware Update Granularity */
1005 /** Keep Alive Support */
1008 /** Host Controlled Thermal Management Attributes */
1009 uint16_t hctma; /* Really a bitfield */
1011 /** Minimum Thermal Management Temperature */
1014 /** Maximum Thermal Management Temperature */
1017 /** Sanitize Capabilities */
1018 uint32_t sanicap; /* Really a bitfield */
1020 /** Host Memory Buffer Minimum Descriptor Entry Size */
1023 /** Host Memory Maximum Descriptors Entries */
1026 /** NVM Set Identifier Maximum */
1029 /** Endurance Group Identifier Maximum */
1032 /** ANA Transition Time */
1035 /** Asymmetric Namespace Access Capabilities */
1038 /** ANA Group Identifier Maximum */
1041 /** Number of ANA Group Identifiers */
1044 /** Persistent Event Log Size */
1047 uint8_t reserved3[156];
1048 /* bytes 512-703: nvm command set attributes */
1050 /** submission queue entry size */
1053 /** completion queue entry size */
1056 /** Maximum Outstanding Commands */
1059 /** number of namespaces */
1062 /** optional nvm command support */
1065 /** fused operation support */
1068 /** format nvm attributes */
1071 /** volatile write cache */
1074 /** Atomic Write Unit Normal */
1077 /** Atomic Write Unit Power Fail */
1080 /** NVM Vendor Specific Command Configuration */
1083 /** Namespace Write Protection Capabilities */
1086 /** Atomic Compare & Write Unit */
1093 /** Maximum Number of Allowed Namespaces */
1096 /* bytes 540-767: Reserved */
1097 uint8_t reserved7[224];
1099 /** NVM Subsystem NVMe Qualified Name */
1100 uint8_t subnqn[256];
1102 /* bytes 1024-1791: Reserved */
1103 uint8_t reserved8[768];
1105 /* bytes 1792-2047: NVMe over Fabrics specification */
1106 uint8_t reserved9[256];
1108 /* bytes 2048-3071: power state descriptors */
1109 struct nvme_power_state power_state[32];
1111 /* bytes 3072-4095: vendor specific */
1113 } __packed __aligned(4);
1115 _Static_assert(sizeof(struct nvme_controller_data) == 4096, "bad size for nvme_controller_data");
1117 struct nvme_namespace_data {
1119 /** namespace size */
1122 /** namespace capacity */
1125 /** namespace utilization */
1128 /** namespace features */
1131 /** number of lba formats */
1134 /** formatted lba size */
1137 /** metadata capabilities */
1140 /** end-to-end data protection capabilities */
1143 /** end-to-end data protection type settings */
1146 /** Namespace Multi-path I/O and Namespace Sharing Capabilities */
1149 /** Reservation Capabilities */
1152 /** Format Progress Indicator */
1155 /** Deallocate Logical Block Features */
1158 /** Namespace Atomic Write Unit Normal */
1161 /** Namespace Atomic Write Unit Power Fail */
1164 /** Namespace Atomic Compare & Write Unit */
1167 /** Namespace Atomic Boundary Size Normal */
1170 /** Namespace Atomic Boundary Offset */
1173 /** Namespace Atomic Boundary Size Power Fail */
1176 /** Namespace Optimal IO Boundary */
1182 /** Namespace Preferred Write Granularity */
1185 /** Namespace Preferred Write Alignment */
1188 /** Namespace Preferred Deallocate Granularity */
1191 /** Namespace Preferred Deallocate Alignment */
1194 /** Namespace Optimal Write Size */
1197 /* bytes 74-91: Reserved */
1198 uint8_t reserved5[18];
1200 /** ANA Group Identifier */
1203 /* bytes 96-98: Reserved */
1204 uint8_t reserved6[3];
1206 /** Namespace Attributes */
1209 /** NVM Set Identifier */
1212 /** Endurance Group Identifier */
1215 /** Namespace Globally Unique Identifier */
1218 /** IEEE Extended Unique Identifier */
1221 /** lba format support */
1224 uint8_t reserved7[192];
1226 uint8_t vendor_specific[3712];
1227 } __packed __aligned(4);
1229 _Static_assert(sizeof(struct nvme_namespace_data) == 4096, "bad size for nvme_namepsace_data");
1231 enum nvme_log_page {
1233 /* 0x00 - reserved */
1234 NVME_LOG_ERROR = 0x01,
1235 NVME_LOG_HEALTH_INFORMATION = 0x02,
1236 NVME_LOG_FIRMWARE_SLOT = 0x03,
1237 NVME_LOG_CHANGED_NAMESPACE = 0x04,
1238 NVME_LOG_COMMAND_EFFECT = 0x05,
1239 NVME_LOG_DEVICE_SELF_TEST = 0x06,
1240 NVME_LOG_TELEMETRY_HOST_INITIATED = 0x07,
1241 NVME_LOG_TELEMETRY_CONTROLLER_INITIATED = 0x08,
1242 NVME_LOG_ENDURANCE_GROUP_INFORMATION = 0x09,
1243 NVME_LOG_PREDICTABLE_LATENCY_PER_NVM_SET = 0x0a,
1244 NVME_LOG_PREDICTABLE_LATENCY_EVENT_AGGREGATE = 0x0b,
1245 NVME_LOG_ASYMMETRIC_NAMESPAVE_ACCESS = 0x0c,
1246 NVME_LOG_PERSISTENT_EVENT_LOG = 0x0d,
1247 NVME_LOG_LBA_STATUS_INFORMATION = 0x0e,
1248 NVME_LOG_ENDURANCE_GROUP_EVENT_AGGREGATE = 0x0f,
1249 /* 0x06-0x7F - reserved */
1250 /* 0x80-0xBF - I/O command set specific */
1251 NVME_LOG_RES_NOTIFICATION = 0x80,
1252 NVME_LOG_SANITIZE_STATUS = 0x81,
1253 /* 0x82-0xBF - reserved */
1254 /* 0xC0-0xFF - vendor specific */
1257 * The following are Intel Specific log pages, but they seem
1258 * to be widely implemented.
1260 INTEL_LOG_READ_LAT_LOG = 0xc1,
1261 INTEL_LOG_WRITE_LAT_LOG = 0xc2,
1262 INTEL_LOG_TEMP_STATS = 0xc5,
1263 INTEL_LOG_ADD_SMART = 0xca,
1264 INTEL_LOG_DRIVE_MKT_NAME = 0xdd,
1267 * HGST log page, with lots ofs sub pages.
1269 HGST_INFO_LOG = 0xc1,
1272 struct nvme_error_information_entry {
1274 uint64_t error_count;
1278 uint16_t error_location;
1281 uint8_t vendor_specific;
1283 uint16_t reserved30;
1286 uint8_t reserved[22];
1287 } __packed __aligned(4);
1289 _Static_assert(sizeof(struct nvme_error_information_entry) == 64, "bad size for nvme_error_information_entry");
1291 struct nvme_health_information_page {
1293 uint8_t critical_warning;
1294 uint16_t temperature;
1295 uint8_t available_spare;
1296 uint8_t available_spare_threshold;
1297 uint8_t percentage_used;
1299 uint8_t reserved[26];
1302 * Note that the following are 128-bit values, but are
1303 * defined as an array of 2 64-bit values.
1305 /* Data Units Read is always in 512-byte units. */
1306 uint64_t data_units_read[2];
1307 /* Data Units Written is always in 512-byte units. */
1308 uint64_t data_units_written[2];
1309 /* For NVM command set, this includes Compare commands. */
1310 uint64_t host_read_commands[2];
1311 uint64_t host_write_commands[2];
1312 /* Controller Busy Time is reported in minutes. */
1313 uint64_t controller_busy_time[2];
1314 uint64_t power_cycles[2];
1315 uint64_t power_on_hours[2];
1316 uint64_t unsafe_shutdowns[2];
1317 uint64_t media_errors[2];
1318 uint64_t num_error_info_log_entries[2];
1319 uint32_t warning_temp_time;
1320 uint32_t error_temp_time;
1321 uint16_t temp_sensor[8];
1322 /* Thermal Management Temperature 1 Transition Count */
1324 /* Thermal Management Temperature 2 Transition Count */
1326 /* Total Time For Thermal Management Temperature 1 */
1328 /* Total Time For Thermal Management Temperature 2 */
1331 uint8_t reserved2[280];
1332 } __packed __aligned(4);
1334 _Static_assert(sizeof(struct nvme_health_information_page) == 512, "bad size for nvme_health_information_page");
1336 struct nvme_firmware_page {
1339 uint8_t reserved[7];
1340 uint64_t revision[7]; /* revisions for 7 slots */
1341 uint8_t reserved2[448];
1342 } __packed __aligned(4);
1344 _Static_assert(sizeof(struct nvme_firmware_page) == 512, "bad size for nvme_firmware_page");
1346 struct nvme_ns_list {
1348 } __packed __aligned(4);
1350 _Static_assert(sizeof(struct nvme_ns_list) == 4096, "bad size for nvme_ns_list");
1352 struct nvme_command_effects_page {
1355 uint8_t reserved[2048];
1356 } __packed __aligned(4);
1358 _Static_assert(sizeof(struct nvme_command_effects_page) == 4096,
1359 "bad size for nvme_command_effects_page");
1361 struct nvme_res_notification_page {
1362 uint64_t log_page_count;
1363 uint8_t log_page_type;
1364 uint8_t available_log_pages;
1367 uint8_t reserved[48];
1368 } __packed __aligned(4);
1370 _Static_assert(sizeof(struct nvme_res_notification_page) == 64,
1371 "bad size for nvme_res_notification_page");
1373 struct nvme_sanitize_status_page {
1383 uint8_t reserved[480];
1384 } __packed __aligned(4);
1386 _Static_assert(sizeof(struct nvme_sanitize_status_page) == 512,
1387 "bad size for nvme_sanitize_status_page");
1389 struct intel_log_temp_stats
1392 uint64_t overtemp_flag_last;
1393 uint64_t overtemp_flag_life;
1397 uint64_t max_oper_temp;
1398 uint64_t min_oper_temp;
1399 uint64_t est_offset;
1400 } __packed __aligned(4);
1402 _Static_assert(sizeof(struct intel_log_temp_stats) == 13 * 8, "bad size for intel_log_temp_stats");
1404 struct nvme_resv_reg_ctrlr
1406 uint16_t ctrlr_id; /* Controller ID */
1407 uint8_t rcsts; /* Reservation Status */
1408 uint8_t reserved3[5];
1409 uint64_t hostid; /* Host Identifier */
1410 uint64_t rkey; /* Reservation Key */
1411 } __packed __aligned(4);
1413 _Static_assert(sizeof(struct nvme_resv_reg_ctrlr) == 24, "bad size for nvme_resv_reg_ctrlr");
1415 struct nvme_resv_reg_ctrlr_ext
1417 uint16_t ctrlr_id; /* Controller ID */
1418 uint8_t rcsts; /* Reservation Status */
1419 uint8_t reserved3[5];
1420 uint64_t rkey; /* Reservation Key */
1421 uint64_t hostid[2]; /* Host Identifier */
1422 uint8_t reserved32[32];
1423 } __packed __aligned(4);
1425 _Static_assert(sizeof(struct nvme_resv_reg_ctrlr_ext) == 64, "bad size for nvme_resv_reg_ctrlr_ext");
1427 struct nvme_resv_status
1429 uint32_t gen; /* Generation */
1430 uint8_t rtype; /* Reservation Type */
1431 uint8_t regctl[2]; /* Number of Registered Controllers */
1432 uint8_t reserved7[2];
1433 uint8_t ptpls; /* Persist Through Power Loss State */
1434 uint8_t reserved10[14];
1435 struct nvme_resv_reg_ctrlr ctrlr[0];
1436 } __packed __aligned(4);
1438 _Static_assert(sizeof(struct nvme_resv_status) == 24, "bad size for nvme_resv_status");
1440 struct nvme_resv_status_ext
1442 uint32_t gen; /* Generation */
1443 uint8_t rtype; /* Reservation Type */
1444 uint8_t regctl[2]; /* Number of Registered Controllers */
1445 uint8_t reserved7[2];
1446 uint8_t ptpls; /* Persist Through Power Loss State */
1447 uint8_t reserved10[14];
1448 uint8_t reserved24[40];
1449 struct nvme_resv_reg_ctrlr_ext ctrlr[0];
1450 } __packed __aligned(4);
1452 _Static_assert(sizeof(struct nvme_resv_status_ext) == 64, "bad size for nvme_resv_status_ext");
1454 #define NVME_TEST_MAX_THREADS 128
1456 struct nvme_io_test {
1458 enum nvme_nvm_opcode opc;
1460 uint32_t time; /* in seconds */
1461 uint32_t num_threads;
1463 uint64_t io_completed[NVME_TEST_MAX_THREADS];
1466 enum nvme_io_test_flags {
1469 * Specifies whether dev_refthread/dev_relthread should be
1470 * called during NVME_BIO_TEST. Ignored for other test
1473 NVME_TEST_FLAG_REFTHREAD = 0x1,
1476 struct nvme_pt_command {
1479 * cmd is used to specify a passthrough command to a controller or
1482 * The following fields from cmd may be specified by the caller:
1484 * * nsid (namespace id) - for admin commands only
1487 * Remaining fields must be set to 0 by the caller.
1489 struct nvme_command cmd;
1492 * cpl returns completion status for the passthrough command
1495 * The following fields will be filled out by the driver, for
1496 * consumption by the caller:
1498 * * status (except for phase)
1500 * Remaining fields will be set to 0 by the driver.
1502 struct nvme_completion cpl;
1504 /* buf is the data buffer associated with this passthrough command. */
1508 * len is the length of the data buffer associated with this
1509 * passthrough command.
1514 * is_read = 1 if the passthrough command will read data into the
1515 * supplied buffer from the controller.
1517 * is_read = 0 if the passthrough command will write data from the
1518 * supplied buffer to the controller.
1523 * driver_lock is used by the driver only. It must be set to 0
1526 struct mtx * driver_lock;
1529 struct nvme_get_nsid {
1530 char cdev[SPECNAMELEN + 1];
1534 struct nvme_hmb_desc {
1540 #define nvme_completion_is_error(cpl) \
1541 (NVME_STATUS_GET_SC((cpl)->status) != 0 || NVME_STATUS_GET_SCT((cpl)->status) != 0)
1543 void nvme_strvis(uint8_t *dst, const uint8_t *src, int dstlen, int srclen);
1550 struct nvme_namespace;
1551 struct nvme_controller;
1552 struct nvme_consumer;
1554 typedef void (*nvme_cb_fn_t)(void *, const struct nvme_completion *);
1556 typedef void *(*nvme_cons_ns_fn_t)(struct nvme_namespace *, void *);
1557 typedef void *(*nvme_cons_ctrlr_fn_t)(struct nvme_controller *);
1558 typedef void (*nvme_cons_async_fn_t)(void *, const struct nvme_completion *,
1559 uint32_t, void *, uint32_t);
1560 typedef void (*nvme_cons_fail_fn_t)(void *);
1562 enum nvme_namespace_flags {
1563 NVME_NS_DEALLOCATE_SUPPORTED = 0x1,
1564 NVME_NS_FLUSH_SUPPORTED = 0x2,
1567 int nvme_ctrlr_passthrough_cmd(struct nvme_controller *ctrlr,
1568 struct nvme_pt_command *pt,
1569 uint32_t nsid, int is_user_buffer,
1572 /* Admin functions */
1573 void nvme_ctrlr_cmd_set_feature(struct nvme_controller *ctrlr,
1574 uint8_t feature, uint32_t cdw11,
1575 uint32_t cdw12, uint32_t cdw13,
1576 uint32_t cdw14, uint32_t cdw15,
1577 void *payload, uint32_t payload_size,
1578 nvme_cb_fn_t cb_fn, void *cb_arg);
1579 void nvme_ctrlr_cmd_get_feature(struct nvme_controller *ctrlr,
1580 uint8_t feature, uint32_t cdw11,
1581 void *payload, uint32_t payload_size,
1582 nvme_cb_fn_t cb_fn, void *cb_arg);
1583 void nvme_ctrlr_cmd_get_log_page(struct nvme_controller *ctrlr,
1584 uint8_t log_page, uint32_t nsid,
1585 void *payload, uint32_t payload_size,
1586 nvme_cb_fn_t cb_fn, void *cb_arg);
1588 /* NVM I/O functions */
1589 int nvme_ns_cmd_write(struct nvme_namespace *ns, void *payload,
1590 uint64_t lba, uint32_t lba_count, nvme_cb_fn_t cb_fn,
1592 int nvme_ns_cmd_write_bio(struct nvme_namespace *ns, struct bio *bp,
1593 nvme_cb_fn_t cb_fn, void *cb_arg);
1594 int nvme_ns_cmd_read(struct nvme_namespace *ns, void *payload,
1595 uint64_t lba, uint32_t lba_count, nvme_cb_fn_t cb_fn,
1597 int nvme_ns_cmd_read_bio(struct nvme_namespace *ns, struct bio *bp,
1598 nvme_cb_fn_t cb_fn, void *cb_arg);
1599 int nvme_ns_cmd_deallocate(struct nvme_namespace *ns, void *payload,
1600 uint8_t num_ranges, nvme_cb_fn_t cb_fn,
1602 int nvme_ns_cmd_flush(struct nvme_namespace *ns, nvme_cb_fn_t cb_fn,
1604 int nvme_ns_dump(struct nvme_namespace *ns, void *virt, off_t offset,
1607 /* Registration functions */
1608 struct nvme_consumer * nvme_register_consumer(nvme_cons_ns_fn_t ns_fn,
1609 nvme_cons_ctrlr_fn_t ctrlr_fn,
1610 nvme_cons_async_fn_t async_fn,
1611 nvme_cons_fail_fn_t fail_fn);
1612 void nvme_unregister_consumer(struct nvme_consumer *consumer);
1614 /* Controller helper functions */
1615 device_t nvme_ctrlr_get_device(struct nvme_controller *ctrlr);
1616 const struct nvme_controller_data *
1617 nvme_ctrlr_get_data(struct nvme_controller *ctrlr);
1619 nvme_ctrlr_has_dataset_mgmt(const struct nvme_controller_data *cd)
1621 /* Assumes cd was byte swapped by nvme_controller_data_swapbytes() */
1622 return ((cd->oncs >> NVME_CTRLR_DATA_ONCS_DSM_SHIFT) &
1623 NVME_CTRLR_DATA_ONCS_DSM_MASK);
1626 /* Namespace helper functions */
1627 uint32_t nvme_ns_get_max_io_xfer_size(struct nvme_namespace *ns);
1628 uint32_t nvme_ns_get_sector_size(struct nvme_namespace *ns);
1629 uint64_t nvme_ns_get_num_sectors(struct nvme_namespace *ns);
1630 uint64_t nvme_ns_get_size(struct nvme_namespace *ns);
1631 uint32_t nvme_ns_get_flags(struct nvme_namespace *ns);
1632 const char * nvme_ns_get_serial_number(struct nvme_namespace *ns);
1633 const char * nvme_ns_get_model_number(struct nvme_namespace *ns);
1634 const struct nvme_namespace_data *
1635 nvme_ns_get_data(struct nvme_namespace *ns);
1636 uint32_t nvme_ns_get_stripesize(struct nvme_namespace *ns);
1638 int nvme_ns_bio_process(struct nvme_namespace *ns, struct bio *bp,
1639 nvme_cb_fn_t cb_fn);
1640 int nvme_ns_ioctl_process(struct nvme_namespace *ns, u_long cmd,
1641 caddr_t arg, int flag, struct thread *td);
1644 * Command building helper functions -- shared with CAM
1645 * These functions assume allocator zeros out cmd structure
1646 * CAM's xpt_get_ccb and the request allocator for nvme both
1647 * do zero'd allocations.
1650 void nvme_ns_flush_cmd(struct nvme_command *cmd, uint32_t nsid)
1653 cmd->opc = NVME_OPC_FLUSH;
1654 cmd->nsid = htole32(nsid);
1658 void nvme_ns_rw_cmd(struct nvme_command *cmd, uint32_t rwcmd, uint32_t nsid,
1659 uint64_t lba, uint32_t count)
1662 cmd->nsid = htole32(nsid);
1663 cmd->cdw10 = htole32(lba & 0xffffffffu);
1664 cmd->cdw11 = htole32(lba >> 32);
1665 cmd->cdw12 = htole32(count-1);
1669 void nvme_ns_write_cmd(struct nvme_command *cmd, uint32_t nsid,
1670 uint64_t lba, uint32_t count)
1672 nvme_ns_rw_cmd(cmd, NVME_OPC_WRITE, nsid, lba, count);
1676 void nvme_ns_read_cmd(struct nvme_command *cmd, uint32_t nsid,
1677 uint64_t lba, uint32_t count)
1679 nvme_ns_rw_cmd(cmd, NVME_OPC_READ, nsid, lba, count);
1683 void nvme_ns_trim_cmd(struct nvme_command *cmd, uint32_t nsid,
1684 uint32_t num_ranges)
1686 cmd->opc = NVME_OPC_DATASET_MANAGEMENT;
1687 cmd->nsid = htole32(nsid);
1688 cmd->cdw10 = htole32(num_ranges - 1);
1689 cmd->cdw11 = htole32(NVME_DSM_ATTR_DEALLOCATE);
1692 extern int nvme_use_nvd;
1694 #endif /* _KERNEL */
1696 /* Endianess conversion functions for NVMe structs */
1698 void nvme_completion_swapbytes(struct nvme_completion *s)
1701 s->cdw0 = le32toh(s->cdw0);
1703 s->sqhd = le16toh(s->sqhd);
1704 s->sqid = le16toh(s->sqid);
1706 s->status = le16toh(s->status);
1710 void nvme_power_state_swapbytes(struct nvme_power_state *s)
1713 s->mp = le16toh(s->mp);
1714 s->enlat = le32toh(s->enlat);
1715 s->exlat = le32toh(s->exlat);
1716 s->idlp = le16toh(s->idlp);
1717 s->actp = le16toh(s->actp);
1721 void nvme_controller_data_swapbytes(struct nvme_controller_data *s)
1725 s->vid = le16toh(s->vid);
1726 s->ssvid = le16toh(s->ssvid);
1727 s->ctrlr_id = le16toh(s->ctrlr_id);
1728 s->ver = le32toh(s->ver);
1729 s->rtd3r = le32toh(s->rtd3r);
1730 s->rtd3e = le32toh(s->rtd3e);
1731 s->oaes = le32toh(s->oaes);
1732 s->ctratt = le32toh(s->ctratt);
1733 s->rrls = le16toh(s->rrls);
1734 s->crdt1 = le16toh(s->crdt1);
1735 s->crdt2 = le16toh(s->crdt2);
1736 s->crdt3 = le16toh(s->crdt3);
1737 s->oacs = le16toh(s->oacs);
1738 s->wctemp = le16toh(s->wctemp);
1739 s->cctemp = le16toh(s->cctemp);
1740 s->mtfa = le16toh(s->mtfa);
1741 s->hmpre = le32toh(s->hmpre);
1742 s->hmmin = le32toh(s->hmmin);
1743 s->rpmbs = le32toh(s->rpmbs);
1744 s->edstt = le16toh(s->edstt);
1745 s->kas = le16toh(s->kas);
1746 s->hctma = le16toh(s->hctma);
1747 s->mntmt = le16toh(s->mntmt);
1748 s->mxtmt = le16toh(s->mxtmt);
1749 s->sanicap = le32toh(s->sanicap);
1750 s->hmminds = le32toh(s->hmminds);
1751 s->hmmaxd = le16toh(s->hmmaxd);
1752 s->nsetidmax = le16toh(s->nsetidmax);
1753 s->endgidmax = le16toh(s->endgidmax);
1754 s->anagrpmax = le32toh(s->anagrpmax);
1755 s->nanagrpid = le32toh(s->nanagrpid);
1756 s->pels = le32toh(s->pels);
1757 s->maxcmd = le16toh(s->maxcmd);
1758 s->nn = le32toh(s->nn);
1759 s->oncs = le16toh(s->oncs);
1760 s->fuses = le16toh(s->fuses);
1761 s->awun = le16toh(s->awun);
1762 s->awupf = le16toh(s->awupf);
1763 s->acwu = le16toh(s->acwu);
1764 s->sgls = le32toh(s->sgls);
1765 s->mnan = le32toh(s->mnan);
1766 for (i = 0; i < 32; i++)
1767 nvme_power_state_swapbytes(&s->power_state[i]);
1771 void nvme_namespace_data_swapbytes(struct nvme_namespace_data *s)
1775 s->nsze = le64toh(s->nsze);
1776 s->ncap = le64toh(s->ncap);
1777 s->nuse = le64toh(s->nuse);
1778 s->nawun = le16toh(s->nawun);
1779 s->nawupf = le16toh(s->nawupf);
1780 s->nacwu = le16toh(s->nacwu);
1781 s->nabsn = le16toh(s->nabsn);
1782 s->nabo = le16toh(s->nabo);
1783 s->nabspf = le16toh(s->nabspf);
1784 s->noiob = le16toh(s->noiob);
1785 s->npwg = le16toh(s->npwg);
1786 s->npwa = le16toh(s->npwa);
1787 s->npdg = le16toh(s->npdg);
1788 s->npda = le16toh(s->npda);
1789 s->nows = le16toh(s->nows);
1790 s->anagrpid = le32toh(s->anagrpid);
1791 s->nvmsetid = le16toh(s->nvmsetid);
1792 s->endgid = le16toh(s->endgid);
1793 for (i = 0; i < 16; i++)
1794 s->lbaf[i] = le32toh(s->lbaf[i]);
1798 void nvme_error_information_entry_swapbytes(struct nvme_error_information_entry *s)
1801 s->error_count = le64toh(s->error_count);
1802 s->sqid = le16toh(s->sqid);
1803 s->cid = le16toh(s->cid);
1804 s->status = le16toh(s->status);
1805 s->error_location = le16toh(s->error_location);
1806 s->lba = le64toh(s->lba);
1807 s->nsid = le32toh(s->nsid);
1808 s->csi = le64toh(s->csi);
1809 s->ttsi = le16toh(s->ttsi);
1813 void nvme_le128toh(void *p)
1815 #if _BYTE_ORDER != _LITTLE_ENDIAN
1816 /* Swap 16 bytes in place */
1817 char *tmp = (char*)p;
1820 for (i = 0; i < 8; i++) {
1831 void nvme_health_information_page_swapbytes(struct nvme_health_information_page *s)
1835 s->temperature = le16toh(s->temperature);
1836 nvme_le128toh((void *)s->data_units_read);
1837 nvme_le128toh((void *)s->data_units_written);
1838 nvme_le128toh((void *)s->host_read_commands);
1839 nvme_le128toh((void *)s->host_write_commands);
1840 nvme_le128toh((void *)s->controller_busy_time);
1841 nvme_le128toh((void *)s->power_cycles);
1842 nvme_le128toh((void *)s->power_on_hours);
1843 nvme_le128toh((void *)s->unsafe_shutdowns);
1844 nvme_le128toh((void *)s->media_errors);
1845 nvme_le128toh((void *)s->num_error_info_log_entries);
1846 s->warning_temp_time = le32toh(s->warning_temp_time);
1847 s->error_temp_time = le32toh(s->error_temp_time);
1848 for (i = 0; i < 8; i++)
1849 s->temp_sensor[i] = le16toh(s->temp_sensor[i]);
1850 s->tmt1tc = le32toh(s->tmt1tc);
1851 s->tmt2tc = le32toh(s->tmt2tc);
1852 s->ttftmt1 = le32toh(s->ttftmt1);
1853 s->ttftmt2 = le32toh(s->ttftmt2);
1858 void nvme_firmware_page_swapbytes(struct nvme_firmware_page *s)
1862 for (i = 0; i < 7; i++)
1863 s->revision[i] = le64toh(s->revision[i]);
1867 void nvme_ns_list_swapbytes(struct nvme_ns_list *s)
1871 for (i = 0; i < 1024; i++)
1872 s->ns[i] = le32toh(s->ns[i]);
1876 void nvme_command_effects_page_swapbytes(struct nvme_command_effects_page *s)
1880 for (i = 0; i < 256; i++)
1881 s->acs[i] = le32toh(s->acs[i]);
1882 for (i = 0; i < 256; i++)
1883 s->iocs[i] = le32toh(s->iocs[i]);
1887 void nvme_res_notification_page_swapbytes(struct nvme_res_notification_page *s)
1889 s->log_page_count = le64toh(s->log_page_count);
1890 s->nsid = le32toh(s->nsid);
1894 void nvme_sanitize_status_page_swapbytes(struct nvme_sanitize_status_page *s)
1896 s->sprog = le16toh(s->sprog);
1897 s->sstat = le16toh(s->sstat);
1898 s->scdw10 = le32toh(s->scdw10);
1899 s->etfo = le32toh(s->etfo);
1900 s->etfbe = le32toh(s->etfbe);
1901 s->etfce = le32toh(s->etfce);
1902 s->etfownd = le32toh(s->etfownd);
1903 s->etfbewnd = le32toh(s->etfbewnd);
1904 s->etfcewnd = le32toh(s->etfcewnd);
1908 void intel_log_temp_stats_swapbytes(struct intel_log_temp_stats *s)
1911 s->current = le64toh(s->current);
1912 s->overtemp_flag_last = le64toh(s->overtemp_flag_last);
1913 s->overtemp_flag_life = le64toh(s->overtemp_flag_life);
1914 s->max_temp = le64toh(s->max_temp);
1915 s->min_temp = le64toh(s->min_temp);
1917 s->max_oper_temp = le64toh(s->max_oper_temp);
1918 s->min_oper_temp = le64toh(s->min_oper_temp);
1919 s->est_offset = le64toh(s->est_offset);
1923 void nvme_resv_status_swapbytes(struct nvme_resv_status *s, size_t size)
1927 s->gen = le32toh(s->gen);
1928 n = (s->regctl[1] << 8) | s->regctl[0];
1929 n = MIN(n, (size - sizeof(s)) / sizeof(s->ctrlr[0]));
1930 for (i = 0; i < n; i++) {
1931 s->ctrlr[i].ctrlr_id = le16toh(s->ctrlr[i].ctrlr_id);
1932 s->ctrlr[i].hostid = le64toh(s->ctrlr[i].hostid);
1933 s->ctrlr[i].rkey = le64toh(s->ctrlr[i].rkey);
1938 void nvme_resv_status_ext_swapbytes(struct nvme_resv_status_ext *s, size_t size)
1942 s->gen = le32toh(s->gen);
1943 n = (s->regctl[1] << 8) | s->regctl[0];
1944 n = MIN(n, (size - sizeof(s)) / sizeof(s->ctrlr[0]));
1945 for (i = 0; i < n; i++) {
1946 s->ctrlr[i].ctrlr_id = le16toh(s->ctrlr[i].ctrlr_id);
1947 s->ctrlr[i].rkey = le64toh(s->ctrlr[i].rkey);
1948 nvme_le128toh((void *)s->ctrlr[i].hostid);
1952 #endif /* __NVME_H__ */