xref: /openbmc/qemu/include/block/nvme.h (revision 9cdd2a73)
1 #ifndef BLOCK_NVME_H
2 #define BLOCK_NVME_H
3 
4 typedef struct NvmeBar {
5     uint64_t    cap;
6     uint32_t    vs;
7     uint32_t    intms;
8     uint32_t    intmc;
9     uint32_t    cc;
10     uint32_t    rsvd1;
11     uint32_t    csts;
12     uint32_t    nssrc;
13     uint32_t    aqa;
14     uint64_t    asq;
15     uint64_t    acq;
16     uint32_t    cmbloc;
17     uint32_t    cmbsz;
18 } NvmeBar;
19 
20 enum NvmeCapShift {
21     CAP_MQES_SHIFT     = 0,
22     CAP_CQR_SHIFT      = 16,
23     CAP_AMS_SHIFT      = 17,
24     CAP_TO_SHIFT       = 24,
25     CAP_DSTRD_SHIFT    = 32,
26     CAP_NSSRS_SHIFT    = 33,
27     CAP_CSS_SHIFT      = 37,
28     CAP_MPSMIN_SHIFT   = 48,
29     CAP_MPSMAX_SHIFT   = 52,
30 };
31 
32 enum NvmeCapMask {
33     CAP_MQES_MASK      = 0xffff,
34     CAP_CQR_MASK       = 0x1,
35     CAP_AMS_MASK       = 0x3,
36     CAP_TO_MASK        = 0xff,
37     CAP_DSTRD_MASK     = 0xf,
38     CAP_NSSRS_MASK     = 0x1,
39     CAP_CSS_MASK       = 0xff,
40     CAP_MPSMIN_MASK    = 0xf,
41     CAP_MPSMAX_MASK    = 0xf,
42 };
43 
44 #define NVME_CAP_MQES(cap)  (((cap) >> CAP_MQES_SHIFT)   & CAP_MQES_MASK)
45 #define NVME_CAP_CQR(cap)   (((cap) >> CAP_CQR_SHIFT)    & CAP_CQR_MASK)
46 #define NVME_CAP_AMS(cap)   (((cap) >> CAP_AMS_SHIFT)    & CAP_AMS_MASK)
47 #define NVME_CAP_TO(cap)    (((cap) >> CAP_TO_SHIFT)     & CAP_TO_MASK)
48 #define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT)  & CAP_DSTRD_MASK)
49 #define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT)  & CAP_NSSRS_MASK)
50 #define NVME_CAP_CSS(cap)   (((cap) >> CAP_CSS_SHIFT)    & CAP_CSS_MASK)
51 #define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK)
52 #define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK)
53 
54 #define NVME_CAP_SET_MQES(cap, val)   (cap |= (uint64_t)(val & CAP_MQES_MASK)  \
55                                                            << CAP_MQES_SHIFT)
56 #define NVME_CAP_SET_CQR(cap, val)    (cap |= (uint64_t)(val & CAP_CQR_MASK)   \
57                                                            << CAP_CQR_SHIFT)
58 #define NVME_CAP_SET_AMS(cap, val)    (cap |= (uint64_t)(val & CAP_AMS_MASK)   \
59                                                            << CAP_AMS_SHIFT)
60 #define NVME_CAP_SET_TO(cap, val)     (cap |= (uint64_t)(val & CAP_TO_MASK)    \
61                                                            << CAP_TO_SHIFT)
62 #define NVME_CAP_SET_DSTRD(cap, val)  (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \
63                                                            << CAP_DSTRD_SHIFT)
64 #define NVME_CAP_SET_NSSRS(cap, val)  (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \
65                                                            << CAP_NSSRS_SHIFT)
66 #define NVME_CAP_SET_CSS(cap, val)    (cap |= (uint64_t)(val & CAP_CSS_MASK)   \
67                                                            << CAP_CSS_SHIFT)
68 #define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\
69                                                            << CAP_MPSMIN_SHIFT)
70 #define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\
71                                                             << CAP_MPSMAX_SHIFT)
72 
73 enum NvmeCcShift {
74     CC_EN_SHIFT     = 0,
75     CC_CSS_SHIFT    = 4,
76     CC_MPS_SHIFT    = 7,
77     CC_AMS_SHIFT    = 11,
78     CC_SHN_SHIFT    = 14,
79     CC_IOSQES_SHIFT = 16,
80     CC_IOCQES_SHIFT = 20,
81 };
82 
83 enum NvmeCcMask {
84     CC_EN_MASK      = 0x1,
85     CC_CSS_MASK     = 0x7,
86     CC_MPS_MASK     = 0xf,
87     CC_AMS_MASK     = 0x7,
88     CC_SHN_MASK     = 0x3,
89     CC_IOSQES_MASK  = 0xf,
90     CC_IOCQES_MASK  = 0xf,
91 };
92 
93 #define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
94 #define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
95 #define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
96 #define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
97 #define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
98 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
99 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
100 
101 enum NvmeCstsShift {
102     CSTS_RDY_SHIFT      = 0,
103     CSTS_CFS_SHIFT      = 1,
104     CSTS_SHST_SHIFT     = 2,
105     CSTS_NSSRO_SHIFT    = 4,
106 };
107 
108 enum NvmeCstsMask {
109     CSTS_RDY_MASK   = 0x1,
110     CSTS_CFS_MASK   = 0x1,
111     CSTS_SHST_MASK  = 0x3,
112     CSTS_NSSRO_MASK = 0x1,
113 };
114 
115 enum NvmeCsts {
116     NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
117     NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
118     NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
119     NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
120     NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
121     NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
122 };
123 
124 #define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
125 #define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
126 #define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
127 #define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
128 
129 enum NvmeAqaShift {
130     AQA_ASQS_SHIFT  = 0,
131     AQA_ACQS_SHIFT  = 16,
132 };
133 
134 enum NvmeAqaMask {
135     AQA_ASQS_MASK   = 0xfff,
136     AQA_ACQS_MASK   = 0xfff,
137 };
138 
139 #define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
140 #define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
141 
142 enum NvmeCmblocShift {
143     CMBLOC_BIR_SHIFT  = 0,
144     CMBLOC_OFST_SHIFT = 12,
145 };
146 
147 enum NvmeCmblocMask {
148     CMBLOC_BIR_MASK  = 0x7,
149     CMBLOC_OFST_MASK = 0xfffff,
150 };
151 
152 #define NVME_CMBLOC_BIR(cmbloc) ((cmbloc >> CMBLOC_BIR_SHIFT)  & \
153                                  CMBLOC_BIR_MASK)
154 #define NVME_CMBLOC_OFST(cmbloc)((cmbloc >> CMBLOC_OFST_SHIFT) & \
155                                  CMBLOC_OFST_MASK)
156 
157 #define NVME_CMBLOC_SET_BIR(cmbloc, val)  \
158     (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
159 #define NVME_CMBLOC_SET_OFST(cmbloc, val) \
160     (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)
161 
162 enum NvmeCmbszShift {
163     CMBSZ_SQS_SHIFT   = 0,
164     CMBSZ_CQS_SHIFT   = 1,
165     CMBSZ_LISTS_SHIFT = 2,
166     CMBSZ_RDS_SHIFT   = 3,
167     CMBSZ_WDS_SHIFT   = 4,
168     CMBSZ_SZU_SHIFT   = 8,
169     CMBSZ_SZ_SHIFT    = 12,
170 };
171 
172 enum NvmeCmbszMask {
173     CMBSZ_SQS_MASK   = 0x1,
174     CMBSZ_CQS_MASK   = 0x1,
175     CMBSZ_LISTS_MASK = 0x1,
176     CMBSZ_RDS_MASK   = 0x1,
177     CMBSZ_WDS_MASK   = 0x1,
178     CMBSZ_SZU_MASK   = 0xf,
179     CMBSZ_SZ_MASK    = 0xfffff,
180 };
181 
182 #define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
183 #define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
184 #define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
185 #define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
186 #define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
187 #define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
188 #define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)
189 
190 #define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
191     (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
192 #define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
193     (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
194 #define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
195     (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
196 #define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
197     (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
198 #define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
199     (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
200 #define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
201     (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
202 #define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
203     (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)
204 
205 #define NVME_CMBSZ_GETSIZE(cmbsz) \
206     (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))
207 
208 typedef struct NvmeCmd {
209     uint8_t     opcode;
210     uint8_t     fuse;
211     uint16_t    cid;
212     uint32_t    nsid;
213     uint64_t    res1;
214     uint64_t    mptr;
215     uint64_t    prp1;
216     uint64_t    prp2;
217     uint32_t    cdw10;
218     uint32_t    cdw11;
219     uint32_t    cdw12;
220     uint32_t    cdw13;
221     uint32_t    cdw14;
222     uint32_t    cdw15;
223 } NvmeCmd;
224 
225 enum NvmeAdminCommands {
226     NVME_ADM_CMD_DELETE_SQ      = 0x00,
227     NVME_ADM_CMD_CREATE_SQ      = 0x01,
228     NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
229     NVME_ADM_CMD_DELETE_CQ      = 0x04,
230     NVME_ADM_CMD_CREATE_CQ      = 0x05,
231     NVME_ADM_CMD_IDENTIFY       = 0x06,
232     NVME_ADM_CMD_ABORT          = 0x08,
233     NVME_ADM_CMD_SET_FEATURES   = 0x09,
234     NVME_ADM_CMD_GET_FEATURES   = 0x0a,
235     NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
236     NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
237     NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
238     NVME_ADM_CMD_FORMAT_NVM     = 0x80,
239     NVME_ADM_CMD_SECURITY_SEND  = 0x81,
240     NVME_ADM_CMD_SECURITY_RECV  = 0x82,
241 };
242 
243 enum NvmeIoCommands {
244     NVME_CMD_FLUSH              = 0x00,
245     NVME_CMD_WRITE              = 0x01,
246     NVME_CMD_READ               = 0x02,
247     NVME_CMD_WRITE_UNCOR        = 0x04,
248     NVME_CMD_COMPARE            = 0x05,
249     NVME_CMD_WRITE_ZEROS        = 0x08,
250     NVME_CMD_DSM                = 0x09,
251 };
252 
253 typedef struct NvmeDeleteQ {
254     uint8_t     opcode;
255     uint8_t     flags;
256     uint16_t    cid;
257     uint32_t    rsvd1[9];
258     uint16_t    qid;
259     uint16_t    rsvd10;
260     uint32_t    rsvd11[5];
261 } NvmeDeleteQ;
262 
263 typedef struct NvmeCreateCq {
264     uint8_t     opcode;
265     uint8_t     flags;
266     uint16_t    cid;
267     uint32_t    rsvd1[5];
268     uint64_t    prp1;
269     uint64_t    rsvd8;
270     uint16_t    cqid;
271     uint16_t    qsize;
272     uint16_t    cq_flags;
273     uint16_t    irq_vector;
274     uint32_t    rsvd12[4];
275 } NvmeCreateCq;
276 
277 #define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
278 #define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
279 
280 typedef struct NvmeCreateSq {
281     uint8_t     opcode;
282     uint8_t     flags;
283     uint16_t    cid;
284     uint32_t    rsvd1[5];
285     uint64_t    prp1;
286     uint64_t    rsvd8;
287     uint16_t    sqid;
288     uint16_t    qsize;
289     uint16_t    sq_flags;
290     uint16_t    cqid;
291     uint32_t    rsvd12[4];
292 } NvmeCreateSq;
293 
294 #define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
295 #define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)
296 
297 enum NvmeQueueFlags {
298     NVME_Q_PC           = 1,
299     NVME_Q_PRIO_URGENT  = 0,
300     NVME_Q_PRIO_HIGH    = 1,
301     NVME_Q_PRIO_NORMAL  = 2,
302     NVME_Q_PRIO_LOW     = 3,
303 };
304 
305 typedef struct NvmeIdentify {
306     uint8_t     opcode;
307     uint8_t     flags;
308     uint16_t    cid;
309     uint32_t    nsid;
310     uint64_t    rsvd2[2];
311     uint64_t    prp1;
312     uint64_t    prp2;
313     uint32_t    cns;
314     uint32_t    rsvd11[5];
315 } NvmeIdentify;
316 
317 typedef struct NvmeRwCmd {
318     uint8_t     opcode;
319     uint8_t     flags;
320     uint16_t    cid;
321     uint32_t    nsid;
322     uint64_t    rsvd2;
323     uint64_t    mptr;
324     uint64_t    prp1;
325     uint64_t    prp2;
326     uint64_t    slba;
327     uint16_t    nlb;
328     uint16_t    control;
329     uint32_t    dsmgmt;
330     uint32_t    reftag;
331     uint16_t    apptag;
332     uint16_t    appmask;
333 } NvmeRwCmd;
334 
335 enum {
336     NVME_RW_LR                  = 1 << 15,
337     NVME_RW_FUA                 = 1 << 14,
338     NVME_RW_DSM_FREQ_UNSPEC     = 0,
339     NVME_RW_DSM_FREQ_TYPICAL    = 1,
340     NVME_RW_DSM_FREQ_RARE       = 2,
341     NVME_RW_DSM_FREQ_READS      = 3,
342     NVME_RW_DSM_FREQ_WRITES     = 4,
343     NVME_RW_DSM_FREQ_RW         = 5,
344     NVME_RW_DSM_FREQ_ONCE       = 6,
345     NVME_RW_DSM_FREQ_PREFETCH   = 7,
346     NVME_RW_DSM_FREQ_TEMP       = 8,
347     NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
348     NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
349     NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
350     NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
351     NVME_RW_DSM_SEQ_REQ         = 1 << 6,
352     NVME_RW_DSM_COMPRESSED      = 1 << 7,
353     NVME_RW_PRINFO_PRACT        = 1 << 13,
354     NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
355     NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
356     NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
357 };
358 
359 typedef struct NvmeDsmCmd {
360     uint8_t     opcode;
361     uint8_t     flags;
362     uint16_t    cid;
363     uint32_t    nsid;
364     uint64_t    rsvd2[2];
365     uint64_t    prp1;
366     uint64_t    prp2;
367     uint32_t    nr;
368     uint32_t    attributes;
369     uint32_t    rsvd12[4];
370 } NvmeDsmCmd;
371 
372 enum {
373     NVME_DSMGMT_IDR = 1 << 0,
374     NVME_DSMGMT_IDW = 1 << 1,
375     NVME_DSMGMT_AD  = 1 << 2,
376 };
377 
378 typedef struct NvmeDsmRange {
379     uint32_t    cattr;
380     uint32_t    nlb;
381     uint64_t    slba;
382 } NvmeDsmRange;
383 
384 enum NvmeAsyncEventRequest {
385     NVME_AER_TYPE_ERROR                     = 0,
386     NVME_AER_TYPE_SMART                     = 1,
387     NVME_AER_TYPE_IO_SPECIFIC               = 6,
388     NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
389     NVME_AER_INFO_ERR_INVALID_SQ            = 0,
390     NVME_AER_INFO_ERR_INVALID_DB            = 1,
391     NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
392     NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
393     NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
394     NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
395     NVME_AER_INFO_SMART_RELIABILITY         = 0,
396     NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
397     NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
398 };
399 
400 typedef struct NvmeAerResult {
401     uint8_t event_type;
402     uint8_t event_info;
403     uint8_t log_page;
404     uint8_t resv;
405 } NvmeAerResult;
406 
407 typedef struct NvmeCqe {
408     uint32_t    result;
409     uint32_t    rsvd;
410     uint16_t    sq_head;
411     uint16_t    sq_id;
412     uint16_t    cid;
413     uint16_t    status;
414 } NvmeCqe;
415 
416 enum NvmeStatusCodes {
417     NVME_SUCCESS                = 0x0000,
418     NVME_INVALID_OPCODE         = 0x0001,
419     NVME_INVALID_FIELD          = 0x0002,
420     NVME_CID_CONFLICT           = 0x0003,
421     NVME_DATA_TRAS_ERROR        = 0x0004,
422     NVME_POWER_LOSS_ABORT       = 0x0005,
423     NVME_INTERNAL_DEV_ERROR     = 0x0006,
424     NVME_CMD_ABORT_REQ          = 0x0007,
425     NVME_CMD_ABORT_SQ_DEL       = 0x0008,
426     NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
427     NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
428     NVME_INVALID_NSID           = 0x000b,
429     NVME_CMD_SEQ_ERROR          = 0x000c,
430     NVME_LBA_RANGE              = 0x0080,
431     NVME_CAP_EXCEEDED           = 0x0081,
432     NVME_NS_NOT_READY           = 0x0082,
433     NVME_NS_RESV_CONFLICT       = 0x0083,
434     NVME_INVALID_CQID           = 0x0100,
435     NVME_INVALID_QID            = 0x0101,
436     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
437     NVME_ACL_EXCEEDED           = 0x0103,
438     NVME_RESERVED               = 0x0104,
439     NVME_AER_LIMIT_EXCEEDED     = 0x0105,
440     NVME_INVALID_FW_SLOT        = 0x0106,
441     NVME_INVALID_FW_IMAGE       = 0x0107,
442     NVME_INVALID_IRQ_VECTOR     = 0x0108,
443     NVME_INVALID_LOG_ID         = 0x0109,
444     NVME_INVALID_FORMAT         = 0x010a,
445     NVME_FW_REQ_RESET           = 0x010b,
446     NVME_INVALID_QUEUE_DEL      = 0x010c,
447     NVME_FID_NOT_SAVEABLE       = 0x010d,
448     NVME_FID_NOT_NSID_SPEC      = 0x010f,
449     NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
450     NVME_CONFLICTING_ATTRS      = 0x0180,
451     NVME_INVALID_PROT_INFO      = 0x0181,
452     NVME_WRITE_TO_RO            = 0x0182,
453     NVME_WRITE_FAULT            = 0x0280,
454     NVME_UNRECOVERED_READ       = 0x0281,
455     NVME_E2E_GUARD_ERROR        = 0x0282,
456     NVME_E2E_APP_ERROR          = 0x0283,
457     NVME_E2E_REF_ERROR          = 0x0284,
458     NVME_CMP_FAILURE            = 0x0285,
459     NVME_ACCESS_DENIED          = 0x0286,
460     NVME_MORE                   = 0x2000,
461     NVME_DNR                    = 0x4000,
462     NVME_NO_COMPLETE            = 0xffff,
463 };
464 
465 typedef struct NvmeFwSlotInfoLog {
466     uint8_t     afi;
467     uint8_t     reserved1[7];
468     uint8_t     frs1[8];
469     uint8_t     frs2[8];
470     uint8_t     frs3[8];
471     uint8_t     frs4[8];
472     uint8_t     frs5[8];
473     uint8_t     frs6[8];
474     uint8_t     frs7[8];
475     uint8_t     reserved2[448];
476 } NvmeFwSlotInfoLog;
477 
478 typedef struct NvmeErrorLog {
479     uint64_t    error_count;
480     uint16_t    sqid;
481     uint16_t    cid;
482     uint16_t    status_field;
483     uint16_t    param_error_location;
484     uint64_t    lba;
485     uint32_t    nsid;
486     uint8_t     vs;
487     uint8_t     resv[35];
488 } NvmeErrorLog;
489 
490 typedef struct NvmeSmartLog {
491     uint8_t     critical_warning;
492     uint8_t     temperature[2];
493     uint8_t     available_spare;
494     uint8_t     available_spare_threshold;
495     uint8_t     percentage_used;
496     uint8_t     reserved1[26];
497     uint64_t    data_units_read[2];
498     uint64_t    data_units_written[2];
499     uint64_t    host_read_commands[2];
500     uint64_t    host_write_commands[2];
501     uint64_t    controller_busy_time[2];
502     uint64_t    power_cycles[2];
503     uint64_t    power_on_hours[2];
504     uint64_t    unsafe_shutdowns[2];
505     uint64_t    media_errors[2];
506     uint64_t    number_of_error_log_entries[2];
507     uint8_t     reserved2[320];
508 } NvmeSmartLog;
509 
510 enum NvmeSmartWarn {
511     NVME_SMART_SPARE                  = 1 << 0,
512     NVME_SMART_TEMPERATURE            = 1 << 1,
513     NVME_SMART_RELIABILITY            = 1 << 2,
514     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
515     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
516 };
517 
518 enum LogIdentifier {
519     NVME_LOG_ERROR_INFO     = 0x01,
520     NVME_LOG_SMART_INFO     = 0x02,
521     NVME_LOG_FW_SLOT_INFO   = 0x03,
522 };
523 
524 typedef struct NvmePSD {
525     uint16_t    mp;
526     uint16_t    reserved;
527     uint32_t    enlat;
528     uint32_t    exlat;
529     uint8_t     rrt;
530     uint8_t     rrl;
531     uint8_t     rwt;
532     uint8_t     rwl;
533     uint8_t     resv[16];
534 } NvmePSD;
535 
536 typedef struct NvmeIdCtrl {
537     uint16_t    vid;
538     uint16_t    ssvid;
539     uint8_t     sn[20];
540     uint8_t     mn[40];
541     uint8_t     fr[8];
542     uint8_t     rab;
543     uint8_t     ieee[3];
544     uint8_t     cmic;
545     uint8_t     mdts;
546     uint8_t     rsvd255[178];
547     uint16_t    oacs;
548     uint8_t     acl;
549     uint8_t     aerl;
550     uint8_t     frmw;
551     uint8_t     lpa;
552     uint8_t     elpe;
553     uint8_t     npss;
554     uint8_t     rsvd511[248];
555     uint8_t     sqes;
556     uint8_t     cqes;
557     uint16_t    rsvd515;
558     uint32_t    nn;
559     uint16_t    oncs;
560     uint16_t    fuses;
561     uint8_t     fna;
562     uint8_t     vwc;
563     uint16_t    awun;
564     uint16_t    awupf;
565     uint8_t     rsvd703[174];
566     uint8_t     rsvd2047[1344];
567     NvmePSD     psd[32];
568     uint8_t     vs[1024];
569 } NvmeIdCtrl;
570 
571 enum NvmeIdCtrlOacs {
572     NVME_OACS_SECURITY  = 1 << 0,
573     NVME_OACS_FORMAT    = 1 << 1,
574     NVME_OACS_FW        = 1 << 2,
575 };
576 
577 enum NvmeIdCtrlOncs {
578     NVME_ONCS_COMPARE       = 1 << 0,
579     NVME_ONCS_WRITE_UNCORR  = 1 << 1,
580     NVME_ONCS_DSM           = 1 << 2,
581     NVME_ONCS_WRITE_ZEROS   = 1 << 3,
582     NVME_ONCS_FEATURES      = 1 << 4,
583     NVME_ONCS_RESRVATIONS   = 1 << 5,
584 };
585 
586 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
587 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
588 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
589 #define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
590 
591 typedef struct NvmeFeatureVal {
592     uint32_t    arbitration;
593     uint32_t    power_mgmt;
594     uint32_t    temp_thresh;
595     uint32_t    err_rec;
596     uint32_t    volatile_wc;
597     uint32_t    num_queues;
598     uint32_t    int_coalescing;
599     uint32_t    *int_vector_config;
600     uint32_t    write_atomicity;
601     uint32_t    async_config;
602     uint32_t    sw_prog_marker;
603 } NvmeFeatureVal;
604 
605 #define NVME_ARB_AB(arb)    (arb & 0x7)
606 #define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
607 #define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
608 #define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)
609 
610 #define NVME_INTC_THR(intc)     (intc & 0xff)
611 #define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)
612 
613 enum NvmeFeatureIds {
614     NVME_ARBITRATION                = 0x1,
615     NVME_POWER_MANAGEMENT           = 0x2,
616     NVME_LBA_RANGE_TYPE             = 0x3,
617     NVME_TEMPERATURE_THRESHOLD      = 0x4,
618     NVME_ERROR_RECOVERY             = 0x5,
619     NVME_VOLATILE_WRITE_CACHE       = 0x6,
620     NVME_NUMBER_OF_QUEUES           = 0x7,
621     NVME_INTERRUPT_COALESCING       = 0x8,
622     NVME_INTERRUPT_VECTOR_CONF      = 0x9,
623     NVME_WRITE_ATOMICITY            = 0xa,
624     NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
625     NVME_SOFTWARE_PROGRESS_MARKER   = 0x80
626 };
627 
628 typedef struct NvmeRangeType {
629     uint8_t     type;
630     uint8_t     attributes;
631     uint8_t     rsvd2[14];
632     uint64_t    slba;
633     uint64_t    nlb;
634     uint8_t     guid[16];
635     uint8_t     rsvd48[16];
636 } NvmeRangeType;
637 
638 typedef struct NvmeLBAF {
639     uint16_t    ms;
640     uint8_t     ds;
641     uint8_t     rp;
642 } NvmeLBAF;
643 
644 typedef struct NvmeIdNs {
645     uint64_t    nsze;
646     uint64_t    ncap;
647     uint64_t    nuse;
648     uint8_t     nsfeat;
649     uint8_t     nlbaf;
650     uint8_t     flbas;
651     uint8_t     mc;
652     uint8_t     dpc;
653     uint8_t     dps;
654     uint8_t     res30[98];
655     NvmeLBAF    lbaf[16];
656     uint8_t     res192[192];
657     uint8_t     vs[3712];
658 } NvmeIdNs;
659 
660 #define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
661 #define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
662 #define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
663 #define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
664 #define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
665 #define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
666 #define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
667 #define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
668 #define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
669 #define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
670 #define NVME_ID_NS_DPC_TYPE_MASK            0x7
671 
672 enum NvmeIdNsDps {
673     DPS_TYPE_NONE   = 0,
674     DPS_TYPE_1      = 1,
675     DPS_TYPE_2      = 2,
676     DPS_TYPE_3      = 3,
677     DPS_TYPE_MASK   = 0x7,
678     DPS_FIRST_EIGHT = 8,
679 };
680 
681 static inline void _nvme_check_size(void)
682 {
683     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
684     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
685     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
686     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
687     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
688     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
689     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
690     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
691     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
692     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
693     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
694     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
695     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
696     QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
697     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
698     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
699 }
700 #endif
701