xref: /openbmc/qemu/include/block/nvme.h (revision 19f4ed36)
1 #ifndef BLOCK_NVME_H
2 #define BLOCK_NVME_H
3 
4 typedef struct QEMU_PACKED 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     uint32_t    bpinfo;
19     uint32_t    bprsel;
20     uint64_t    bpmbl;
21     uint64_t    cmbmsc;
22     uint32_t    cmbsts;
23     uint8_t     rsvd92[3492];
24     uint32_t    pmrcap;
25     uint32_t    pmrctl;
26     uint32_t    pmrsts;
27     uint32_t    pmrebs;
28     uint32_t    pmrswtp;
29     uint64_t    pmrmsc;
30     uint8_t     css[484];
31 } NvmeBar;
32 
33 enum NvmeCapShift {
34     CAP_MQES_SHIFT     = 0,
35     CAP_CQR_SHIFT      = 16,
36     CAP_AMS_SHIFT      = 17,
37     CAP_TO_SHIFT       = 24,
38     CAP_DSTRD_SHIFT    = 32,
39     CAP_NSSRS_SHIFT    = 36,
40     CAP_CSS_SHIFT      = 37,
41     CAP_MPSMIN_SHIFT   = 48,
42     CAP_MPSMAX_SHIFT   = 52,
43     CAP_PMRS_SHIFT     = 56,
44     CAP_CMBS_SHIFT     = 57,
45 };
46 
47 enum NvmeCapMask {
48     CAP_MQES_MASK      = 0xffff,
49     CAP_CQR_MASK       = 0x1,
50     CAP_AMS_MASK       = 0x3,
51     CAP_TO_MASK        = 0xff,
52     CAP_DSTRD_MASK     = 0xf,
53     CAP_NSSRS_MASK     = 0x1,
54     CAP_CSS_MASK       = 0xff,
55     CAP_MPSMIN_MASK    = 0xf,
56     CAP_MPSMAX_MASK    = 0xf,
57     CAP_PMRS_MASK      = 0x1,
58     CAP_CMBS_MASK      = 0x1,
59 };
60 
61 #define NVME_CAP_MQES(cap)  (((cap) >> CAP_MQES_SHIFT)   & CAP_MQES_MASK)
62 #define NVME_CAP_CQR(cap)   (((cap) >> CAP_CQR_SHIFT)    & CAP_CQR_MASK)
63 #define NVME_CAP_AMS(cap)   (((cap) >> CAP_AMS_SHIFT)    & CAP_AMS_MASK)
64 #define NVME_CAP_TO(cap)    (((cap) >> CAP_TO_SHIFT)     & CAP_TO_MASK)
65 #define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT)  & CAP_DSTRD_MASK)
66 #define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT)  & CAP_NSSRS_MASK)
67 #define NVME_CAP_CSS(cap)   (((cap) >> CAP_CSS_SHIFT)    & CAP_CSS_MASK)
68 #define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK)
69 #define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK)
70 #define NVME_CAP_PMRS(cap)  (((cap) >> CAP_PMRS_SHIFT)   & CAP_PMRS_MASK)
71 #define NVME_CAP_CMBS(cap)  (((cap) >> CAP_CMBS_SHIFT)   & CAP_CMBS_MASK)
72 
73 #define NVME_CAP_SET_MQES(cap, val)   (cap |= (uint64_t)(val & CAP_MQES_MASK)  \
74                                                            << CAP_MQES_SHIFT)
75 #define NVME_CAP_SET_CQR(cap, val)    (cap |= (uint64_t)(val & CAP_CQR_MASK)   \
76                                                            << CAP_CQR_SHIFT)
77 #define NVME_CAP_SET_AMS(cap, val)    (cap |= (uint64_t)(val & CAP_AMS_MASK)   \
78                                                            << CAP_AMS_SHIFT)
79 #define NVME_CAP_SET_TO(cap, val)     (cap |= (uint64_t)(val & CAP_TO_MASK)    \
80                                                            << CAP_TO_SHIFT)
81 #define NVME_CAP_SET_DSTRD(cap, val)  (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \
82                                                            << CAP_DSTRD_SHIFT)
83 #define NVME_CAP_SET_NSSRS(cap, val)  (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \
84                                                            << CAP_NSSRS_SHIFT)
85 #define NVME_CAP_SET_CSS(cap, val)    (cap |= (uint64_t)(val & CAP_CSS_MASK)   \
86                                                            << CAP_CSS_SHIFT)
87 #define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\
88                                                            << CAP_MPSMIN_SHIFT)
89 #define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\
90                                                            << CAP_MPSMAX_SHIFT)
91 #define NVME_CAP_SET_PMRS(cap, val)   (cap |= (uint64_t)(val & CAP_PMRS_MASK)  \
92                                                            << CAP_PMRS_SHIFT)
93 #define NVME_CAP_SET_CMBS(cap, val)   (cap |= (uint64_t)(val & CAP_CMBS_MASK)  \
94                                                            << CAP_CMBS_SHIFT)
95 
96 enum NvmeCapCss {
97     NVME_CAP_CSS_NVM        = 1 << 0,
98     NVME_CAP_CSS_CSI_SUPP   = 1 << 6,
99     NVME_CAP_CSS_ADMIN_ONLY = 1 << 7,
100 };
101 
102 enum NvmeCcShift {
103     CC_EN_SHIFT     = 0,
104     CC_CSS_SHIFT    = 4,
105     CC_MPS_SHIFT    = 7,
106     CC_AMS_SHIFT    = 11,
107     CC_SHN_SHIFT    = 14,
108     CC_IOSQES_SHIFT = 16,
109     CC_IOCQES_SHIFT = 20,
110 };
111 
112 enum NvmeCcMask {
113     CC_EN_MASK      = 0x1,
114     CC_CSS_MASK     = 0x7,
115     CC_MPS_MASK     = 0xf,
116     CC_AMS_MASK     = 0x7,
117     CC_SHN_MASK     = 0x3,
118     CC_IOSQES_MASK  = 0xf,
119     CC_IOCQES_MASK  = 0xf,
120 };
121 
122 #define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
123 #define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
124 #define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
125 #define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
126 #define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
127 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
128 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
129 
130 enum NvmeCcCss {
131     NVME_CC_CSS_NVM        = 0x0,
132     NVME_CC_CSS_CSI        = 0x6,
133     NVME_CC_CSS_ADMIN_ONLY = 0x7,
134 };
135 
136 #define NVME_SET_CC_EN(cc, val)     \
137     (cc |= (uint32_t)((val) & CC_EN_MASK) << CC_EN_SHIFT)
138 #define NVME_SET_CC_CSS(cc, val)    \
139     (cc |= (uint32_t)((val) & CC_CSS_MASK) << CC_CSS_SHIFT)
140 #define NVME_SET_CC_MPS(cc, val)    \
141     (cc |= (uint32_t)((val) & CC_MPS_MASK) << CC_MPS_SHIFT)
142 #define NVME_SET_CC_AMS(cc, val)    \
143     (cc |= (uint32_t)((val) & CC_AMS_MASK) << CC_AMS_SHIFT)
144 #define NVME_SET_CC_SHN(cc, val)    \
145     (cc |= (uint32_t)((val) & CC_SHN_MASK) << CC_SHN_SHIFT)
146 #define NVME_SET_CC_IOSQES(cc, val) \
147     (cc |= (uint32_t)((val) & CC_IOSQES_MASK) << CC_IOSQES_SHIFT)
148 #define NVME_SET_CC_IOCQES(cc, val) \
149     (cc |= (uint32_t)((val) & CC_IOCQES_MASK) << CC_IOCQES_SHIFT)
150 
151 enum NvmeCstsShift {
152     CSTS_RDY_SHIFT      = 0,
153     CSTS_CFS_SHIFT      = 1,
154     CSTS_SHST_SHIFT     = 2,
155     CSTS_NSSRO_SHIFT    = 4,
156 };
157 
158 enum NvmeCstsMask {
159     CSTS_RDY_MASK   = 0x1,
160     CSTS_CFS_MASK   = 0x1,
161     CSTS_SHST_MASK  = 0x3,
162     CSTS_NSSRO_MASK = 0x1,
163 };
164 
165 enum NvmeCsts {
166     NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
167     NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
168     NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
169     NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
170     NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
171     NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
172 };
173 
174 #define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
175 #define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
176 #define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
177 #define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
178 
179 enum NvmeAqaShift {
180     AQA_ASQS_SHIFT  = 0,
181     AQA_ACQS_SHIFT  = 16,
182 };
183 
184 enum NvmeAqaMask {
185     AQA_ASQS_MASK   = 0xfff,
186     AQA_ACQS_MASK   = 0xfff,
187 };
188 
189 #define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
190 #define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
191 
192 enum NvmeCmblocShift {
193     CMBLOC_BIR_SHIFT     = 0,
194     CMBLOC_CQMMS_SHIFT   = 3,
195     CMBLOC_CQPDS_SHIFT   = 4,
196     CMBLOC_CDPMLS_SHIFT  = 5,
197     CMBLOC_CDPCILS_SHIFT = 6,
198     CMBLOC_CDMMMS_SHIFT  = 7,
199     CMBLOC_CQDA_SHIFT    = 8,
200     CMBLOC_OFST_SHIFT    = 12,
201 };
202 
203 enum NvmeCmblocMask {
204     CMBLOC_BIR_MASK     = 0x7,
205     CMBLOC_CQMMS_MASK   = 0x1,
206     CMBLOC_CQPDS_MASK   = 0x1,
207     CMBLOC_CDPMLS_MASK  = 0x1,
208     CMBLOC_CDPCILS_MASK = 0x1,
209     CMBLOC_CDMMMS_MASK  = 0x1,
210     CMBLOC_CQDA_MASK    = 0x1,
211     CMBLOC_OFST_MASK    = 0xfffff,
212 };
213 
214 #define NVME_CMBLOC_BIR(cmbloc) \
215     ((cmbloc >> CMBLOC_BIR_SHIFT) & CMBLOC_BIR_MASK)
216 #define NVME_CMBLOC_CQMMS(cmbloc) \
217     ((cmbloc >> CMBLOC_CQMMS_SHIFT) & CMBLOC_CQMMS_MASK)
218 #define NVME_CMBLOC_CQPDS(cmbloc) \
219     ((cmbloc >> CMBLOC_CQPDS_SHIFT) & CMBLOC_CQPDS_MASK)
220 #define NVME_CMBLOC_CDPMLS(cmbloc) \
221     ((cmbloc >> CMBLOC_CDPMLS_SHIFT) & CMBLOC_CDPMLS_MASK)
222 #define NVME_CMBLOC_CDPCILS(cmbloc) \
223     ((cmbloc >> CMBLOC_CDPCILS_SHIFT) & CMBLOC_CDPCILS_MASK)
224 #define NVME_CMBLOC_CDMMMS(cmbloc) \
225     ((cmbloc >> CMBLOC_CDMMMS_SHIFT) & CMBLOC_CDMMMS_MASK)
226 #define NVME_CMBLOC_CQDA(cmbloc) \
227     ((cmbloc >> CMBLOC_CQDA_SHIFT) & CMBLOC_CQDA_MASK)
228 #define NVME_CMBLOC_OFST(cmbloc) \
229     ((cmbloc >> CMBLOC_OFST_SHIFT) & CMBLOC_OFST_MASK)
230 
231 #define NVME_CMBLOC_SET_BIR(cmbloc, val) \
232     (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
233 #define NVME_CMBLOC_SET_CQMMS(cmbloc, val) \
234     (cmbloc |= (uint64_t)(val & CMBLOC_CQMMS_MASK) << CMBLOC_CQMMS_SHIFT)
235 #define NVME_CMBLOC_SET_CQPDS(cmbloc, val) \
236     (cmbloc |= (uint64_t)(val & CMBLOC_CQPDS_MASK) << CMBLOC_CQPDS_SHIFT)
237 #define NVME_CMBLOC_SET_CDPMLS(cmbloc, val) \
238     (cmbloc |= (uint64_t)(val & CMBLOC_CDPMLS_MASK) << CMBLOC_CDPMLS_SHIFT)
239 #define NVME_CMBLOC_SET_CDPCILS(cmbloc, val) \
240     (cmbloc |= (uint64_t)(val & CMBLOC_CDPCILS_MASK) << CMBLOC_CDPCILS_SHIFT)
241 #define NVME_CMBLOC_SET_CDMMMS(cmbloc, val) \
242     (cmbloc |= (uint64_t)(val & CMBLOC_CDMMMS_MASK) << CMBLOC_CDMMMS_SHIFT)
243 #define NVME_CMBLOC_SET_CQDA(cmbloc, val) \
244     (cmbloc |= (uint64_t)(val & CMBLOC_CQDA_MASK) << CMBLOC_CQDA_SHIFT)
245 #define NVME_CMBLOC_SET_OFST(cmbloc, val) \
246     (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)
247 
248 #define NVME_CMBMSMC_SET_CRE (cmbmsc, val) \
249     (cmbmsc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBMSC_CRE_SHIFT)
250 
251 enum NvmeCmbszShift {
252     CMBSZ_SQS_SHIFT   = 0,
253     CMBSZ_CQS_SHIFT   = 1,
254     CMBSZ_LISTS_SHIFT = 2,
255     CMBSZ_RDS_SHIFT   = 3,
256     CMBSZ_WDS_SHIFT   = 4,
257     CMBSZ_SZU_SHIFT   = 8,
258     CMBSZ_SZ_SHIFT    = 12,
259 };
260 
261 enum NvmeCmbszMask {
262     CMBSZ_SQS_MASK   = 0x1,
263     CMBSZ_CQS_MASK   = 0x1,
264     CMBSZ_LISTS_MASK = 0x1,
265     CMBSZ_RDS_MASK   = 0x1,
266     CMBSZ_WDS_MASK   = 0x1,
267     CMBSZ_SZU_MASK   = 0xf,
268     CMBSZ_SZ_MASK    = 0xfffff,
269 };
270 
271 #define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
272 #define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
273 #define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
274 #define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
275 #define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
276 #define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
277 #define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)
278 
279 #define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
280     (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
281 #define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
282     (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
283 #define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
284     (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
285 #define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
286     (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
287 #define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
288     (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
289 #define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
290     (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
291 #define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
292     (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)
293 
294 #define NVME_CMBSZ_GETSIZE(cmbsz) \
295     (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))
296 
297 enum NvmeCmbmscShift {
298     CMBMSC_CRE_SHIFT  = 0,
299     CMBMSC_CMSE_SHIFT = 1,
300     CMBMSC_CBA_SHIFT  = 12,
301 };
302 
303 enum NvmeCmbmscMask {
304     CMBMSC_CRE_MASK  = 0x1,
305     CMBMSC_CMSE_MASK = 0x1,
306     CMBMSC_CBA_MASK  = ((1ULL << 52) - 1),
307 };
308 
309 #define NVME_CMBMSC_CRE(cmbmsc) \
310     ((cmbmsc >> CMBMSC_CRE_SHIFT)  & CMBMSC_CRE_MASK)
311 #define NVME_CMBMSC_CMSE(cmbmsc) \
312     ((cmbmsc >> CMBMSC_CMSE_SHIFT) & CMBMSC_CMSE_MASK)
313 #define NVME_CMBMSC_CBA(cmbmsc) \
314     ((cmbmsc >> CMBMSC_CBA_SHIFT) & CMBMSC_CBA_MASK)
315 
316 
317 #define NVME_CMBMSC_SET_CRE(cmbmsc, val)  \
318     (cmbmsc |= (uint64_t)(val & CMBMSC_CRE_MASK) << CMBMSC_CRE_SHIFT)
319 #define NVME_CMBMSC_SET_CMSE(cmbmsc, val) \
320     (cmbmsc |= (uint64_t)(val & CMBMSC_CMSE_MASK) << CMBMSC_CMSE_SHIFT)
321 #define NVME_CMBMSC_SET_CBA(cmbmsc, val) \
322     (cmbmsc |= (uint64_t)(val & CMBMSC_CBA_MASK) << CMBMSC_CBA_SHIFT)
323 
324 enum NvmeCmbstsShift {
325     CMBSTS_CBAI_SHIFT = 0,
326 };
327 enum NvmeCmbstsMask {
328     CMBSTS_CBAI_MASK = 0x1,
329 };
330 
331 #define NVME_CMBSTS_CBAI(cmbsts) \
332     ((cmbsts >> CMBSTS_CBAI_SHIFT) & CMBSTS_CBAI_MASK)
333 
334 #define NVME_CMBSTS_SET_CBAI(cmbsts, val)  \
335     (cmbsts |= (uint64_t)(val & CMBSTS_CBAI_MASK) << CMBSTS_CBAI_SHIFT)
336 
337 enum NvmePmrcapShift {
338     PMRCAP_RDS_SHIFT      = 3,
339     PMRCAP_WDS_SHIFT      = 4,
340     PMRCAP_BIR_SHIFT      = 5,
341     PMRCAP_PMRTU_SHIFT    = 8,
342     PMRCAP_PMRWBM_SHIFT   = 10,
343     PMRCAP_PMRTO_SHIFT    = 16,
344     PMRCAP_CMSS_SHIFT     = 24,
345 };
346 
347 enum NvmePmrcapMask {
348     PMRCAP_RDS_MASK      = 0x1,
349     PMRCAP_WDS_MASK      = 0x1,
350     PMRCAP_BIR_MASK      = 0x7,
351     PMRCAP_PMRTU_MASK    = 0x3,
352     PMRCAP_PMRWBM_MASK   = 0xf,
353     PMRCAP_PMRTO_MASK    = 0xff,
354     PMRCAP_CMSS_MASK     = 0x1,
355 };
356 
357 #define NVME_PMRCAP_RDS(pmrcap)    \
358     ((pmrcap >> PMRCAP_RDS_SHIFT)   & PMRCAP_RDS_MASK)
359 #define NVME_PMRCAP_WDS(pmrcap)    \
360     ((pmrcap >> PMRCAP_WDS_SHIFT)   & PMRCAP_WDS_MASK)
361 #define NVME_PMRCAP_BIR(pmrcap)    \
362     ((pmrcap >> PMRCAP_BIR_SHIFT)   & PMRCAP_BIR_MASK)
363 #define NVME_PMRCAP_PMRTU(pmrcap)    \
364     ((pmrcap >> PMRCAP_PMRTU_SHIFT)   & PMRCAP_PMRTU_MASK)
365 #define NVME_PMRCAP_PMRWBM(pmrcap)    \
366     ((pmrcap >> PMRCAP_PMRWBM_SHIFT)   & PMRCAP_PMRWBM_MASK)
367 #define NVME_PMRCAP_PMRTO(pmrcap)    \
368     ((pmrcap >> PMRCAP_PMRTO_SHIFT)   & PMRCAP_PMRTO_MASK)
369 #define NVME_PMRCAP_CMSS(pmrcap)    \
370     ((pmrcap >> PMRCAP_CMSS_SHIFT)   & PMRCAP_CMSS_MASK)
371 
372 #define NVME_PMRCAP_SET_RDS(pmrcap, val)   \
373     (pmrcap |= (uint64_t)(val & PMRCAP_RDS_MASK) << PMRCAP_RDS_SHIFT)
374 #define NVME_PMRCAP_SET_WDS(pmrcap, val)   \
375     (pmrcap |= (uint64_t)(val & PMRCAP_WDS_MASK) << PMRCAP_WDS_SHIFT)
376 #define NVME_PMRCAP_SET_BIR(pmrcap, val)   \
377     (pmrcap |= (uint64_t)(val & PMRCAP_BIR_MASK) << PMRCAP_BIR_SHIFT)
378 #define NVME_PMRCAP_SET_PMRTU(pmrcap, val)   \
379     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTU_MASK) << PMRCAP_PMRTU_SHIFT)
380 #define NVME_PMRCAP_SET_PMRWBM(pmrcap, val)   \
381     (pmrcap |= (uint64_t)(val & PMRCAP_PMRWBM_MASK) << PMRCAP_PMRWBM_SHIFT)
382 #define NVME_PMRCAP_SET_PMRTO(pmrcap, val)   \
383     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTO_MASK) << PMRCAP_PMRTO_SHIFT)
384 #define NVME_PMRCAP_SET_CMSS(pmrcap, val)   \
385     (pmrcap |= (uint64_t)(val & PMRCAP_CMSS_MASK) << PMRCAP_CMSS_SHIFT)
386 
387 enum NvmePmrctlShift {
388     PMRCTL_EN_SHIFT   = 0,
389 };
390 
391 enum NvmePmrctlMask {
392     PMRCTL_EN_MASK   = 0x1,
393 };
394 
395 #define NVME_PMRCTL_EN(pmrctl)  ((pmrctl >> PMRCTL_EN_SHIFT)   & PMRCTL_EN_MASK)
396 
397 #define NVME_PMRCTL_SET_EN(pmrctl, val)   \
398     (pmrctl |= (uint64_t)(val & PMRCTL_EN_MASK) << PMRCTL_EN_SHIFT)
399 
400 enum NvmePmrstsShift {
401     PMRSTS_ERR_SHIFT    = 0,
402     PMRSTS_NRDY_SHIFT   = 8,
403     PMRSTS_HSTS_SHIFT   = 9,
404     PMRSTS_CBAI_SHIFT   = 12,
405 };
406 
407 enum NvmePmrstsMask {
408     PMRSTS_ERR_MASK    = 0xff,
409     PMRSTS_NRDY_MASK   = 0x1,
410     PMRSTS_HSTS_MASK   = 0x7,
411     PMRSTS_CBAI_MASK   = 0x1,
412 };
413 
414 #define NVME_PMRSTS_ERR(pmrsts)     \
415     ((pmrsts >> PMRSTS_ERR_SHIFT)   & PMRSTS_ERR_MASK)
416 #define NVME_PMRSTS_NRDY(pmrsts)    \
417     ((pmrsts >> PMRSTS_NRDY_SHIFT)   & PMRSTS_NRDY_MASK)
418 #define NVME_PMRSTS_HSTS(pmrsts)    \
419     ((pmrsts >> PMRSTS_HSTS_SHIFT)   & PMRSTS_HSTS_MASK)
420 #define NVME_PMRSTS_CBAI(pmrsts)    \
421     ((pmrsts >> PMRSTS_CBAI_SHIFT)   & PMRSTS_CBAI_MASK)
422 
423 #define NVME_PMRSTS_SET_ERR(pmrsts, val)   \
424     (pmrsts |= (uint64_t)(val & PMRSTS_ERR_MASK) << PMRSTS_ERR_SHIFT)
425 #define NVME_PMRSTS_SET_NRDY(pmrsts, val)   \
426     (pmrsts |= (uint64_t)(val & PMRSTS_NRDY_MASK) << PMRSTS_NRDY_SHIFT)
427 #define NVME_PMRSTS_SET_HSTS(pmrsts, val)   \
428     (pmrsts |= (uint64_t)(val & PMRSTS_HSTS_MASK) << PMRSTS_HSTS_SHIFT)
429 #define NVME_PMRSTS_SET_CBAI(pmrsts, val)   \
430     (pmrsts |= (uint64_t)(val & PMRSTS_CBAI_MASK) << PMRSTS_CBAI_SHIFT)
431 
432 enum NvmePmrebsShift {
433     PMREBS_PMRSZU_SHIFT   = 0,
434     PMREBS_RBB_SHIFT      = 4,
435     PMREBS_PMRWBZ_SHIFT   = 8,
436 };
437 
438 enum NvmePmrebsMask {
439     PMREBS_PMRSZU_MASK   = 0xf,
440     PMREBS_RBB_MASK      = 0x1,
441     PMREBS_PMRWBZ_MASK   = 0xffffff,
442 };
443 
444 #define NVME_PMREBS_PMRSZU(pmrebs)  \
445     ((pmrebs >> PMREBS_PMRSZU_SHIFT)   & PMREBS_PMRSZU_MASK)
446 #define NVME_PMREBS_RBB(pmrebs)     \
447     ((pmrebs >> PMREBS_RBB_SHIFT)   & PMREBS_RBB_MASK)
448 #define NVME_PMREBS_PMRWBZ(pmrebs)  \
449     ((pmrebs >> PMREBS_PMRWBZ_SHIFT)   & PMREBS_PMRWBZ_MASK)
450 
451 #define NVME_PMREBS_SET_PMRSZU(pmrebs, val)   \
452     (pmrebs |= (uint64_t)(val & PMREBS_PMRSZU_MASK) << PMREBS_PMRSZU_SHIFT)
453 #define NVME_PMREBS_SET_RBB(pmrebs, val)   \
454     (pmrebs |= (uint64_t)(val & PMREBS_RBB_MASK) << PMREBS_RBB_SHIFT)
455 #define NVME_PMREBS_SET_PMRWBZ(pmrebs, val)   \
456     (pmrebs |= (uint64_t)(val & PMREBS_PMRWBZ_MASK) << PMREBS_PMRWBZ_SHIFT)
457 
458 enum NvmePmrswtpShift {
459     PMRSWTP_PMRSWTU_SHIFT   = 0,
460     PMRSWTP_PMRSWTV_SHIFT   = 8,
461 };
462 
463 enum NvmePmrswtpMask {
464     PMRSWTP_PMRSWTU_MASK   = 0xf,
465     PMRSWTP_PMRSWTV_MASK   = 0xffffff,
466 };
467 
468 #define NVME_PMRSWTP_PMRSWTU(pmrswtp)   \
469     ((pmrswtp >> PMRSWTP_PMRSWTU_SHIFT)   & PMRSWTP_PMRSWTU_MASK)
470 #define NVME_PMRSWTP_PMRSWTV(pmrswtp)   \
471     ((pmrswtp >> PMRSWTP_PMRSWTV_SHIFT)   & PMRSWTP_PMRSWTV_MASK)
472 
473 #define NVME_PMRSWTP_SET_PMRSWTU(pmrswtp, val)   \
474     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTU_MASK) << PMRSWTP_PMRSWTU_SHIFT)
475 #define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val)   \
476     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
477 
478 enum NvmePmrmscShift {
479     PMRMSC_CMSE_SHIFT   = 1,
480     PMRMSC_CBA_SHIFT    = 12,
481 };
482 
483 enum NvmePmrmscMask {
484     PMRMSC_CMSE_MASK   = 0x1,
485     PMRMSC_CBA_MASK    = 0xfffffffffffff,
486 };
487 
488 #define NVME_PMRMSC_CMSE(pmrmsc)    \
489     ((pmrmsc >> PMRMSC_CMSE_SHIFT)   & PMRMSC_CMSE_MASK)
490 #define NVME_PMRMSC_CBA(pmrmsc)     \
491     ((pmrmsc >> PMRMSC_CBA_SHIFT)   & PMRMSC_CBA_MASK)
492 
493 #define NVME_PMRMSC_SET_CMSE(pmrmsc, val)   \
494     (pmrmsc |= (uint64_t)(val & PMRMSC_CMSE_MASK) << PMRMSC_CMSE_SHIFT)
495 #define NVME_PMRMSC_SET_CBA(pmrmsc, val)   \
496     (pmrmsc |= (uint64_t)(val & PMRMSC_CBA_MASK) << PMRMSC_CBA_SHIFT)
497 
498 enum NvmeSglDescriptorType {
499     NVME_SGL_DESCR_TYPE_DATA_BLOCK          = 0x0,
500     NVME_SGL_DESCR_TYPE_BIT_BUCKET          = 0x1,
501     NVME_SGL_DESCR_TYPE_SEGMENT             = 0x2,
502     NVME_SGL_DESCR_TYPE_LAST_SEGMENT        = 0x3,
503     NVME_SGL_DESCR_TYPE_KEYED_DATA_BLOCK    = 0x4,
504 
505     NVME_SGL_DESCR_TYPE_VENDOR_SPECIFIC     = 0xf,
506 };
507 
508 enum NvmeSglDescriptorSubtype {
509     NVME_SGL_DESCR_SUBTYPE_ADDRESS = 0x0,
510 };
511 
512 typedef struct QEMU_PACKED NvmeSglDescriptor {
513     uint64_t addr;
514     uint32_t len;
515     uint8_t  rsvd[3];
516     uint8_t  type;
517 } NvmeSglDescriptor;
518 
519 #define NVME_SGL_TYPE(type)     ((type >> 4) & 0xf)
520 #define NVME_SGL_SUBTYPE(type)  (type & 0xf)
521 
522 typedef union NvmeCmdDptr {
523     struct {
524         uint64_t    prp1;
525         uint64_t    prp2;
526     };
527 
528     NvmeSglDescriptor sgl;
529 } NvmeCmdDptr;
530 
531 enum NvmePsdt {
532     NVME_PSDT_PRP                 = 0x0,
533     NVME_PSDT_SGL_MPTR_CONTIGUOUS = 0x1,
534     NVME_PSDT_SGL_MPTR_SGL        = 0x2,
535 };
536 
537 typedef struct QEMU_PACKED NvmeCmd {
538     uint8_t     opcode;
539     uint8_t     flags;
540     uint16_t    cid;
541     uint32_t    nsid;
542     uint64_t    res1;
543     uint64_t    mptr;
544     NvmeCmdDptr dptr;
545     uint32_t    cdw10;
546     uint32_t    cdw11;
547     uint32_t    cdw12;
548     uint32_t    cdw13;
549     uint32_t    cdw14;
550     uint32_t    cdw15;
551 } NvmeCmd;
552 
553 #define NVME_CMD_FLAGS_FUSE(flags) (flags & 0x3)
554 #define NVME_CMD_FLAGS_PSDT(flags) ((flags >> 6) & 0x3)
555 
556 enum NvmeAdminCommands {
557     NVME_ADM_CMD_DELETE_SQ      = 0x00,
558     NVME_ADM_CMD_CREATE_SQ      = 0x01,
559     NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
560     NVME_ADM_CMD_DELETE_CQ      = 0x04,
561     NVME_ADM_CMD_CREATE_CQ      = 0x05,
562     NVME_ADM_CMD_IDENTIFY       = 0x06,
563     NVME_ADM_CMD_ABORT          = 0x08,
564     NVME_ADM_CMD_SET_FEATURES   = 0x09,
565     NVME_ADM_CMD_GET_FEATURES   = 0x0a,
566     NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
567     NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
568     NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
569     NVME_ADM_CMD_NS_ATTACHMENT  = 0x15,
570     NVME_ADM_CMD_FORMAT_NVM     = 0x80,
571     NVME_ADM_CMD_SECURITY_SEND  = 0x81,
572     NVME_ADM_CMD_SECURITY_RECV  = 0x82,
573 };
574 
575 enum NvmeIoCommands {
576     NVME_CMD_FLUSH              = 0x00,
577     NVME_CMD_WRITE              = 0x01,
578     NVME_CMD_READ               = 0x02,
579     NVME_CMD_WRITE_UNCOR        = 0x04,
580     NVME_CMD_COMPARE            = 0x05,
581     NVME_CMD_WRITE_ZEROES       = 0x08,
582     NVME_CMD_DSM                = 0x09,
583     NVME_CMD_VERIFY             = 0x0c,
584     NVME_CMD_COPY               = 0x19,
585     NVME_CMD_ZONE_MGMT_SEND     = 0x79,
586     NVME_CMD_ZONE_MGMT_RECV     = 0x7a,
587     NVME_CMD_ZONE_APPEND        = 0x7d,
588 };
589 
590 typedef struct QEMU_PACKED NvmeDeleteQ {
591     uint8_t     opcode;
592     uint8_t     flags;
593     uint16_t    cid;
594     uint32_t    rsvd1[9];
595     uint16_t    qid;
596     uint16_t    rsvd10;
597     uint32_t    rsvd11[5];
598 } NvmeDeleteQ;
599 
600 typedef struct QEMU_PACKED NvmeCreateCq {
601     uint8_t     opcode;
602     uint8_t     flags;
603     uint16_t    cid;
604     uint32_t    rsvd1[5];
605     uint64_t    prp1;
606     uint64_t    rsvd8;
607     uint16_t    cqid;
608     uint16_t    qsize;
609     uint16_t    cq_flags;
610     uint16_t    irq_vector;
611     uint32_t    rsvd12[4];
612 } NvmeCreateCq;
613 
614 #define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
615 #define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
616 
617 enum NvmeFlagsCq {
618     NVME_CQ_PC          = 1,
619     NVME_CQ_IEN         = 2,
620 };
621 
622 typedef struct QEMU_PACKED NvmeCreateSq {
623     uint8_t     opcode;
624     uint8_t     flags;
625     uint16_t    cid;
626     uint32_t    rsvd1[5];
627     uint64_t    prp1;
628     uint64_t    rsvd8;
629     uint16_t    sqid;
630     uint16_t    qsize;
631     uint16_t    sq_flags;
632     uint16_t    cqid;
633     uint32_t    rsvd12[4];
634 } NvmeCreateSq;
635 
636 #define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
637 #define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)
638 
639 enum NvmeFlagsSq {
640     NVME_SQ_PC          = 1,
641 
642     NVME_SQ_PRIO_URGENT = 0,
643     NVME_SQ_PRIO_HIGH   = 1,
644     NVME_SQ_PRIO_NORMAL = 2,
645     NVME_SQ_PRIO_LOW    = 3,
646 };
647 
648 typedef struct QEMU_PACKED NvmeIdentify {
649     uint8_t     opcode;
650     uint8_t     flags;
651     uint16_t    cid;
652     uint32_t    nsid;
653     uint64_t    rsvd2[2];
654     uint64_t    prp1;
655     uint64_t    prp2;
656     uint8_t     cns;
657     uint8_t     rsvd10;
658     uint16_t    ctrlid;
659     uint16_t    nvmsetid;
660     uint8_t     rsvd11;
661     uint8_t     csi;
662     uint32_t    rsvd12[4];
663 } NvmeIdentify;
664 
665 typedef struct QEMU_PACKED NvmeRwCmd {
666     uint8_t     opcode;
667     uint8_t     flags;
668     uint16_t    cid;
669     uint32_t    nsid;
670     uint64_t    rsvd2;
671     uint64_t    mptr;
672     NvmeCmdDptr dptr;
673     uint64_t    slba;
674     uint16_t    nlb;
675     uint16_t    control;
676     uint32_t    dsmgmt;
677     uint32_t    reftag;
678     uint16_t    apptag;
679     uint16_t    appmask;
680 } NvmeRwCmd;
681 
682 enum {
683     NVME_RW_LR                  = 1 << 15,
684     NVME_RW_FUA                 = 1 << 14,
685     NVME_RW_DSM_FREQ_UNSPEC     = 0,
686     NVME_RW_DSM_FREQ_TYPICAL    = 1,
687     NVME_RW_DSM_FREQ_RARE       = 2,
688     NVME_RW_DSM_FREQ_READS      = 3,
689     NVME_RW_DSM_FREQ_WRITES     = 4,
690     NVME_RW_DSM_FREQ_RW         = 5,
691     NVME_RW_DSM_FREQ_ONCE       = 6,
692     NVME_RW_DSM_FREQ_PREFETCH   = 7,
693     NVME_RW_DSM_FREQ_TEMP       = 8,
694     NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
695     NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
696     NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
697     NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
698     NVME_RW_DSM_SEQ_REQ         = 1 << 6,
699     NVME_RW_DSM_COMPRESSED      = 1 << 7,
700     NVME_RW_PIREMAP             = 1 << 9,
701     NVME_RW_PRINFO_PRACT        = 1 << 13,
702     NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
703     NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
704     NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
705     NVME_RW_PRINFO_PRCHK_MASK   = 7 << 10,
706 
707 };
708 
709 #define NVME_RW_PRINFO(control) ((control >> 10) & 0xf)
710 
711 typedef struct QEMU_PACKED NvmeDsmCmd {
712     uint8_t     opcode;
713     uint8_t     flags;
714     uint16_t    cid;
715     uint32_t    nsid;
716     uint64_t    rsvd2[2];
717     NvmeCmdDptr dptr;
718     uint32_t    nr;
719     uint32_t    attributes;
720     uint32_t    rsvd12[4];
721 } NvmeDsmCmd;
722 
723 enum {
724     NVME_DSMGMT_IDR = 1 << 0,
725     NVME_DSMGMT_IDW = 1 << 1,
726     NVME_DSMGMT_AD  = 1 << 2,
727 };
728 
729 typedef struct QEMU_PACKED NvmeDsmRange {
730     uint32_t    cattr;
731     uint32_t    nlb;
732     uint64_t    slba;
733 } NvmeDsmRange;
734 
735 enum {
736     NVME_COPY_FORMAT_0 = 0x0,
737 };
738 
739 typedef struct QEMU_PACKED NvmeCopyCmd {
740     uint8_t     opcode;
741     uint8_t     flags;
742     uint16_t    cid;
743     uint32_t    nsid;
744     uint32_t    rsvd2[4];
745     NvmeCmdDptr dptr;
746     uint64_t    sdlba;
747     uint8_t     nr;
748     uint8_t     control[3];
749     uint16_t    rsvd13;
750     uint16_t    dspec;
751     uint32_t    reftag;
752     uint16_t    apptag;
753     uint16_t    appmask;
754 } NvmeCopyCmd;
755 
756 typedef struct QEMU_PACKED NvmeCopySourceRange {
757     uint8_t  rsvd0[8];
758     uint64_t slba;
759     uint16_t nlb;
760     uint8_t  rsvd18[6];
761     uint32_t reftag;
762     uint16_t apptag;
763     uint16_t appmask;
764 } NvmeCopySourceRange;
765 
766 enum NvmeAsyncEventRequest {
767     NVME_AER_TYPE_ERROR                     = 0,
768     NVME_AER_TYPE_SMART                     = 1,
769     NVME_AER_TYPE_NOTICE                    = 2,
770     NVME_AER_TYPE_IO_SPECIFIC               = 6,
771     NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
772     NVME_AER_INFO_ERR_INVALID_DB_REGISTER   = 0,
773     NVME_AER_INFO_ERR_INVALID_DB_VALUE      = 1,
774     NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
775     NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
776     NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
777     NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
778     NVME_AER_INFO_SMART_RELIABILITY         = 0,
779     NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
780     NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
781     NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED    = 0,
782 };
783 
784 typedef struct QEMU_PACKED NvmeAerResult {
785     uint8_t event_type;
786     uint8_t event_info;
787     uint8_t log_page;
788     uint8_t resv;
789 } NvmeAerResult;
790 
791 typedef struct QEMU_PACKED NvmeZonedResult {
792     uint64_t slba;
793 } NvmeZonedResult;
794 
795 typedef struct QEMU_PACKED NvmeCqe {
796     uint32_t    result;
797     uint32_t    dw1;
798     uint16_t    sq_head;
799     uint16_t    sq_id;
800     uint16_t    cid;
801     uint16_t    status;
802 } NvmeCqe;
803 
804 enum NvmeStatusCodes {
805     NVME_SUCCESS                = 0x0000,
806     NVME_INVALID_OPCODE         = 0x0001,
807     NVME_INVALID_FIELD          = 0x0002,
808     NVME_CID_CONFLICT           = 0x0003,
809     NVME_DATA_TRAS_ERROR        = 0x0004,
810     NVME_POWER_LOSS_ABORT       = 0x0005,
811     NVME_INTERNAL_DEV_ERROR     = 0x0006,
812     NVME_CMD_ABORT_REQ          = 0x0007,
813     NVME_CMD_ABORT_SQ_DEL       = 0x0008,
814     NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
815     NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
816     NVME_INVALID_NSID           = 0x000b,
817     NVME_CMD_SEQ_ERROR          = 0x000c,
818     NVME_INVALID_SGL_SEG_DESCR  = 0x000d,
819     NVME_INVALID_NUM_SGL_DESCRS = 0x000e,
820     NVME_DATA_SGL_LEN_INVALID   = 0x000f,
821     NVME_MD_SGL_LEN_INVALID     = 0x0010,
822     NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
823     NVME_INVALID_USE_OF_CMB     = 0x0012,
824     NVME_INVALID_PRP_OFFSET     = 0x0013,
825     NVME_CMD_SET_CMB_REJECTED   = 0x002b,
826     NVME_INVALID_CMD_SET        = 0x002c,
827     NVME_LBA_RANGE              = 0x0080,
828     NVME_CAP_EXCEEDED           = 0x0081,
829     NVME_NS_NOT_READY           = 0x0082,
830     NVME_NS_RESV_CONFLICT       = 0x0083,
831     NVME_FORMAT_IN_PROGRESS     = 0x0084,
832     NVME_INVALID_CQID           = 0x0100,
833     NVME_INVALID_QID            = 0x0101,
834     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
835     NVME_ACL_EXCEEDED           = 0x0103,
836     NVME_RESERVED               = 0x0104,
837     NVME_AER_LIMIT_EXCEEDED     = 0x0105,
838     NVME_INVALID_FW_SLOT        = 0x0106,
839     NVME_INVALID_FW_IMAGE       = 0x0107,
840     NVME_INVALID_IRQ_VECTOR     = 0x0108,
841     NVME_INVALID_LOG_ID         = 0x0109,
842     NVME_INVALID_FORMAT         = 0x010a,
843     NVME_FW_REQ_RESET           = 0x010b,
844     NVME_INVALID_QUEUE_DEL      = 0x010c,
845     NVME_FID_NOT_SAVEABLE       = 0x010d,
846     NVME_FEAT_NOT_CHANGEABLE    = 0x010e,
847     NVME_FEAT_NOT_NS_SPEC       = 0x010f,
848     NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
849     NVME_NS_ALREADY_ATTACHED    = 0x0118,
850     NVME_NS_PRIVATE             = 0x0119,
851     NVME_NS_NOT_ATTACHED        = 0x011A,
852     NVME_NS_CTRL_LIST_INVALID   = 0x011C,
853     NVME_CONFLICTING_ATTRS      = 0x0180,
854     NVME_INVALID_PROT_INFO      = 0x0181,
855     NVME_WRITE_TO_RO            = 0x0182,
856     NVME_CMD_SIZE_LIMIT         = 0x0183,
857     NVME_ZONE_BOUNDARY_ERROR    = 0x01b8,
858     NVME_ZONE_FULL              = 0x01b9,
859     NVME_ZONE_READ_ONLY         = 0x01ba,
860     NVME_ZONE_OFFLINE           = 0x01bb,
861     NVME_ZONE_INVALID_WRITE     = 0x01bc,
862     NVME_ZONE_TOO_MANY_ACTIVE   = 0x01bd,
863     NVME_ZONE_TOO_MANY_OPEN     = 0x01be,
864     NVME_ZONE_INVAL_TRANSITION  = 0x01bf,
865     NVME_WRITE_FAULT            = 0x0280,
866     NVME_UNRECOVERED_READ       = 0x0281,
867     NVME_E2E_GUARD_ERROR        = 0x0282,
868     NVME_E2E_APP_ERROR          = 0x0283,
869     NVME_E2E_REF_ERROR          = 0x0284,
870     NVME_CMP_FAILURE            = 0x0285,
871     NVME_ACCESS_DENIED          = 0x0286,
872     NVME_DULB                   = 0x0287,
873     NVME_MORE                   = 0x2000,
874     NVME_DNR                    = 0x4000,
875     NVME_NO_COMPLETE            = 0xffff,
876 };
877 
878 typedef struct QEMU_PACKED NvmeFwSlotInfoLog {
879     uint8_t     afi;
880     uint8_t     reserved1[7];
881     uint8_t     frs1[8];
882     uint8_t     frs2[8];
883     uint8_t     frs3[8];
884     uint8_t     frs4[8];
885     uint8_t     frs5[8];
886     uint8_t     frs6[8];
887     uint8_t     frs7[8];
888     uint8_t     reserved2[448];
889 } NvmeFwSlotInfoLog;
890 
891 typedef struct QEMU_PACKED NvmeErrorLog {
892     uint64_t    error_count;
893     uint16_t    sqid;
894     uint16_t    cid;
895     uint16_t    status_field;
896     uint16_t    param_error_location;
897     uint64_t    lba;
898     uint32_t    nsid;
899     uint8_t     vs;
900     uint8_t     resv[35];
901 } NvmeErrorLog;
902 
903 typedef struct QEMU_PACKED NvmeSmartLog {
904     uint8_t     critical_warning;
905     uint16_t    temperature;
906     uint8_t     available_spare;
907     uint8_t     available_spare_threshold;
908     uint8_t     percentage_used;
909     uint8_t     reserved1[26];
910     uint64_t    data_units_read[2];
911     uint64_t    data_units_written[2];
912     uint64_t    host_read_commands[2];
913     uint64_t    host_write_commands[2];
914     uint64_t    controller_busy_time[2];
915     uint64_t    power_cycles[2];
916     uint64_t    power_on_hours[2];
917     uint64_t    unsafe_shutdowns[2];
918     uint64_t    media_errors[2];
919     uint64_t    number_of_error_log_entries[2];
920     uint8_t     reserved2[320];
921 } NvmeSmartLog;
922 
923 #define NVME_SMART_WARN_MAX     6
924 enum NvmeSmartWarn {
925     NVME_SMART_SPARE                  = 1 << 0,
926     NVME_SMART_TEMPERATURE            = 1 << 1,
927     NVME_SMART_RELIABILITY            = 1 << 2,
928     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
929     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
930     NVME_SMART_PMR_UNRELIABLE         = 1 << 5,
931 };
932 
933 typedef struct NvmeEffectsLog {
934     uint32_t    acs[256];
935     uint32_t    iocs[256];
936     uint8_t     resv[2048];
937 } NvmeEffectsLog;
938 
939 enum {
940     NVME_CMD_EFF_CSUPP      = 1 << 0,
941     NVME_CMD_EFF_LBCC       = 1 << 1,
942     NVME_CMD_EFF_NCC        = 1 << 2,
943     NVME_CMD_EFF_NIC        = 1 << 3,
944     NVME_CMD_EFF_CCC        = 1 << 4,
945     NVME_CMD_EFF_CSE_MASK   = 3 << 16,
946     NVME_CMD_EFF_UUID_SEL   = 1 << 19,
947 };
948 
949 enum NvmeLogIdentifier {
950     NVME_LOG_ERROR_INFO     = 0x01,
951     NVME_LOG_SMART_INFO     = 0x02,
952     NVME_LOG_FW_SLOT_INFO   = 0x03,
953     NVME_LOG_CHANGED_NSLIST = 0x04,
954     NVME_LOG_CMD_EFFECTS    = 0x05,
955 };
956 
957 typedef struct QEMU_PACKED NvmePSD {
958     uint16_t    mp;
959     uint16_t    reserved;
960     uint32_t    enlat;
961     uint32_t    exlat;
962     uint8_t     rrt;
963     uint8_t     rrl;
964     uint8_t     rwt;
965     uint8_t     rwl;
966     uint8_t     resv[16];
967 } NvmePSD;
968 
969 #define NVME_CONTROLLER_LIST_SIZE 2048
970 #define NVME_IDENTIFY_DATA_SIZE 4096
971 
972 enum NvmeIdCns {
973     NVME_ID_CNS_NS                    = 0x00,
974     NVME_ID_CNS_CTRL                  = 0x01,
975     NVME_ID_CNS_NS_ACTIVE_LIST        = 0x02,
976     NVME_ID_CNS_NS_DESCR_LIST         = 0x03,
977     NVME_ID_CNS_CS_NS                 = 0x05,
978     NVME_ID_CNS_CS_CTRL               = 0x06,
979     NVME_ID_CNS_CS_NS_ACTIVE_LIST     = 0x07,
980     NVME_ID_CNS_NS_PRESENT_LIST       = 0x10,
981     NVME_ID_CNS_NS_PRESENT            = 0x11,
982     NVME_ID_CNS_NS_ATTACHED_CTRL_LIST = 0x12,
983     NVME_ID_CNS_CS_NS_PRESENT_LIST    = 0x1a,
984     NVME_ID_CNS_CS_NS_PRESENT         = 0x1b,
985     NVME_ID_CNS_IO_COMMAND_SET        = 0x1c,
986 };
987 
988 typedef struct QEMU_PACKED NvmeIdCtrl {
989     uint16_t    vid;
990     uint16_t    ssvid;
991     uint8_t     sn[20];
992     uint8_t     mn[40];
993     uint8_t     fr[8];
994     uint8_t     rab;
995     uint8_t     ieee[3];
996     uint8_t     cmic;
997     uint8_t     mdts;
998     uint16_t    cntlid;
999     uint32_t    ver;
1000     uint32_t    rtd3r;
1001     uint32_t    rtd3e;
1002     uint32_t    oaes;
1003     uint32_t    ctratt;
1004     uint8_t     rsvd100[11];
1005     uint8_t     cntrltype;
1006     uint8_t     fguid[16];
1007     uint8_t     rsvd128[128];
1008     uint16_t    oacs;
1009     uint8_t     acl;
1010     uint8_t     aerl;
1011     uint8_t     frmw;
1012     uint8_t     lpa;
1013     uint8_t     elpe;
1014     uint8_t     npss;
1015     uint8_t     avscc;
1016     uint8_t     apsta;
1017     uint16_t    wctemp;
1018     uint16_t    cctemp;
1019     uint16_t    mtfa;
1020     uint32_t    hmpre;
1021     uint32_t    hmmin;
1022     uint8_t     tnvmcap[16];
1023     uint8_t     unvmcap[16];
1024     uint32_t    rpmbs;
1025     uint16_t    edstt;
1026     uint8_t     dsto;
1027     uint8_t     fwug;
1028     uint16_t    kas;
1029     uint16_t    hctma;
1030     uint16_t    mntmt;
1031     uint16_t    mxtmt;
1032     uint32_t    sanicap;
1033     uint8_t     rsvd332[180];
1034     uint8_t     sqes;
1035     uint8_t     cqes;
1036     uint16_t    maxcmd;
1037     uint32_t    nn;
1038     uint16_t    oncs;
1039     uint16_t    fuses;
1040     uint8_t     fna;
1041     uint8_t     vwc;
1042     uint16_t    awun;
1043     uint16_t    awupf;
1044     uint8_t     nvscc;
1045     uint8_t     rsvd531;
1046     uint16_t    acwu;
1047     uint16_t    ocfs;
1048     uint32_t    sgls;
1049     uint8_t     rsvd540[228];
1050     uint8_t     subnqn[256];
1051     uint8_t     rsvd1024[1024];
1052     NvmePSD     psd[32];
1053     uint8_t     vs[1024];
1054 } NvmeIdCtrl;
1055 
1056 typedef struct NvmeIdCtrlZoned {
1057     uint8_t     zasl;
1058     uint8_t     rsvd1[4095];
1059 } NvmeIdCtrlZoned;
1060 
1061 typedef struct NvmeIdCtrlNvm {
1062     uint8_t     vsl;
1063     uint8_t     wzsl;
1064     uint8_t     wusl;
1065     uint8_t     dmrl;
1066     uint32_t    dmrsl;
1067     uint64_t    dmsl;
1068     uint8_t     rsvd16[4080];
1069 } NvmeIdCtrlNvm;
1070 
1071 enum NvmeIdCtrlOaes {
1072     NVME_OAES_NS_ATTR   = 1 << 8,
1073 };
1074 
1075 enum NvmeIdCtrlOacs {
1076     NVME_OACS_SECURITY  = 1 << 0,
1077     NVME_OACS_FORMAT    = 1 << 1,
1078     NVME_OACS_FW        = 1 << 2,
1079     NVME_OACS_NS_MGMT   = 1 << 3,
1080 };
1081 
1082 enum NvmeIdCtrlOncs {
1083     NVME_ONCS_COMPARE       = 1 << 0,
1084     NVME_ONCS_WRITE_UNCORR  = 1 << 1,
1085     NVME_ONCS_DSM           = 1 << 2,
1086     NVME_ONCS_WRITE_ZEROES  = 1 << 3,
1087     NVME_ONCS_FEATURES      = 1 << 4,
1088     NVME_ONCS_RESRVATIONS   = 1 << 5,
1089     NVME_ONCS_TIMESTAMP     = 1 << 6,
1090     NVME_ONCS_VERIFY        = 1 << 7,
1091     NVME_ONCS_COPY          = 1 << 8,
1092 };
1093 
1094 enum NvmeIdCtrlOcfs {
1095     NVME_OCFS_COPY_FORMAT_0 = 1 << 0,
1096 };
1097 
1098 enum NvmeIdctrlVwc {
1099     NVME_VWC_PRESENT                    = 1 << 0,
1100     NVME_VWC_NSID_BROADCAST_NO_SUPPORT  = 0 << 1,
1101     NVME_VWC_NSID_BROADCAST_RESERVED    = 1 << 1,
1102     NVME_VWC_NSID_BROADCAST_CTRL_SPEC   = 2 << 1,
1103     NVME_VWC_NSID_BROADCAST_SUPPORT     = 3 << 1,
1104 };
1105 
1106 enum NvmeIdCtrlFrmw {
1107     NVME_FRMW_SLOT1_RO = 1 << 0,
1108 };
1109 
1110 enum NvmeIdCtrlLpa {
1111     NVME_LPA_NS_SMART = 1 << 0,
1112     NVME_LPA_CSE      = 1 << 1,
1113     NVME_LPA_EXTENDED = 1 << 2,
1114 };
1115 
1116 enum NvmeIdCtrlCmic {
1117     NVME_CMIC_MULTI_CTRL    = 1 << 1,
1118 };
1119 
1120 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
1121 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
1122 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
1123 #define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
1124 
1125 #define NVME_CTRL_SGLS_SUPPORT_MASK        (0x3 <<  0)
1126 #define NVME_CTRL_SGLS_SUPPORT_NO_ALIGN    (0x1 <<  0)
1127 #define NVME_CTRL_SGLS_SUPPORT_DWORD_ALIGN (0x1 <<  1)
1128 #define NVME_CTRL_SGLS_KEYED               (0x1 <<  2)
1129 #define NVME_CTRL_SGLS_BITBUCKET           (0x1 << 16)
1130 #define NVME_CTRL_SGLS_MPTR_CONTIGUOUS     (0x1 << 17)
1131 #define NVME_CTRL_SGLS_EXCESS_LENGTH       (0x1 << 18)
1132 #define NVME_CTRL_SGLS_MPTR_SGL            (0x1 << 19)
1133 #define NVME_CTRL_SGLS_ADDR_OFFSET         (0x1 << 20)
1134 
1135 #define NVME_ARB_AB(arb)    (arb & 0x7)
1136 #define NVME_ARB_AB_NOLIMIT 0x7
1137 #define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
1138 #define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
1139 #define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)
1140 
1141 #define NVME_INTC_THR(intc)     (intc & 0xff)
1142 #define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)
1143 
1144 #define NVME_INTVC_NOCOALESCING (0x1 << 16)
1145 
1146 #define NVME_TEMP_THSEL(temp)  ((temp >> 20) & 0x3)
1147 #define NVME_TEMP_THSEL_OVER   0x0
1148 #define NVME_TEMP_THSEL_UNDER  0x1
1149 
1150 #define NVME_TEMP_TMPSEL(temp)     ((temp >> 16) & 0xf)
1151 #define NVME_TEMP_TMPSEL_COMPOSITE 0x0
1152 
1153 #define NVME_TEMP_TMPTH(temp) (temp & 0xffff)
1154 
1155 #define NVME_AEC_SMART(aec)         (aec & 0xff)
1156 #define NVME_AEC_NS_ATTR(aec)       ((aec >> 8) & 0x1)
1157 #define NVME_AEC_FW_ACTIVATION(aec) ((aec >> 9) & 0x1)
1158 
1159 #define NVME_ERR_REC_TLER(err_rec)  (err_rec & 0xffff)
1160 #define NVME_ERR_REC_DULBE(err_rec) (err_rec & 0x10000)
1161 
1162 enum NvmeFeatureIds {
1163     NVME_ARBITRATION                = 0x1,
1164     NVME_POWER_MANAGEMENT           = 0x2,
1165     NVME_LBA_RANGE_TYPE             = 0x3,
1166     NVME_TEMPERATURE_THRESHOLD      = 0x4,
1167     NVME_ERROR_RECOVERY             = 0x5,
1168     NVME_VOLATILE_WRITE_CACHE       = 0x6,
1169     NVME_NUMBER_OF_QUEUES           = 0x7,
1170     NVME_INTERRUPT_COALESCING       = 0x8,
1171     NVME_INTERRUPT_VECTOR_CONF      = 0x9,
1172     NVME_WRITE_ATOMICITY            = 0xa,
1173     NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
1174     NVME_TIMESTAMP                  = 0xe,
1175     NVME_COMMAND_SET_PROFILE        = 0x19,
1176     NVME_SOFTWARE_PROGRESS_MARKER   = 0x80,
1177     NVME_FID_MAX                    = 0x100,
1178 };
1179 
1180 typedef enum NvmeFeatureCap {
1181     NVME_FEAT_CAP_SAVE      = 1 << 0,
1182     NVME_FEAT_CAP_NS        = 1 << 1,
1183     NVME_FEAT_CAP_CHANGE    = 1 << 2,
1184 } NvmeFeatureCap;
1185 
1186 typedef enum NvmeGetFeatureSelect {
1187     NVME_GETFEAT_SELECT_CURRENT = 0x0,
1188     NVME_GETFEAT_SELECT_DEFAULT = 0x1,
1189     NVME_GETFEAT_SELECT_SAVED   = 0x2,
1190     NVME_GETFEAT_SELECT_CAP     = 0x3,
1191 } NvmeGetFeatureSelect;
1192 
1193 #define NVME_GETSETFEAT_FID_MASK 0xff
1194 #define NVME_GETSETFEAT_FID(dw10) (dw10 & NVME_GETSETFEAT_FID_MASK)
1195 
1196 #define NVME_GETFEAT_SELECT_SHIFT 8
1197 #define NVME_GETFEAT_SELECT_MASK  0x7
1198 #define NVME_GETFEAT_SELECT(dw10) \
1199     ((dw10 >> NVME_GETFEAT_SELECT_SHIFT) & NVME_GETFEAT_SELECT_MASK)
1200 
1201 #define NVME_SETFEAT_SAVE_SHIFT 31
1202 #define NVME_SETFEAT_SAVE_MASK  0x1
1203 #define NVME_SETFEAT_SAVE(dw10) \
1204     ((dw10 >> NVME_SETFEAT_SAVE_SHIFT) & NVME_SETFEAT_SAVE_MASK)
1205 
1206 typedef struct QEMU_PACKED NvmeRangeType {
1207     uint8_t     type;
1208     uint8_t     attributes;
1209     uint8_t     rsvd2[14];
1210     uint64_t    slba;
1211     uint64_t    nlb;
1212     uint8_t     guid[16];
1213     uint8_t     rsvd48[16];
1214 } NvmeRangeType;
1215 
1216 typedef struct QEMU_PACKED NvmeLBAF {
1217     uint16_t    ms;
1218     uint8_t     ds;
1219     uint8_t     rp;
1220 } NvmeLBAF;
1221 
1222 typedef struct QEMU_PACKED NvmeLBAFE {
1223     uint64_t    zsze;
1224     uint8_t     zdes;
1225     uint8_t     rsvd9[7];
1226 } NvmeLBAFE;
1227 
1228 #define NVME_NSID_BROADCAST 0xffffffff
1229 
1230 typedef struct QEMU_PACKED NvmeIdNs {
1231     uint64_t    nsze;
1232     uint64_t    ncap;
1233     uint64_t    nuse;
1234     uint8_t     nsfeat;
1235     uint8_t     nlbaf;
1236     uint8_t     flbas;
1237     uint8_t     mc;
1238     uint8_t     dpc;
1239     uint8_t     dps;
1240     uint8_t     nmic;
1241     uint8_t     rescap;
1242     uint8_t     fpi;
1243     uint8_t     dlfeat;
1244     uint16_t    nawun;
1245     uint16_t    nawupf;
1246     uint16_t    nacwu;
1247     uint16_t    nabsn;
1248     uint16_t    nabo;
1249     uint16_t    nabspf;
1250     uint16_t    noiob;
1251     uint8_t     nvmcap[16];
1252     uint16_t    npwg;
1253     uint16_t    npwa;
1254     uint16_t    npdg;
1255     uint16_t    npda;
1256     uint16_t    nows;
1257     uint16_t    mssrl;
1258     uint32_t    mcl;
1259     uint8_t     msrc;
1260     uint8_t     rsvd81[23];
1261     uint8_t     nguid[16];
1262     uint64_t    eui64;
1263     NvmeLBAF    lbaf[16];
1264     uint8_t     rsvd192[192];
1265     uint8_t     vs[3712];
1266 } NvmeIdNs;
1267 
1268 typedef struct QEMU_PACKED NvmeIdNsDescr {
1269     uint8_t nidt;
1270     uint8_t nidl;
1271     uint8_t rsvd2[2];
1272 } NvmeIdNsDescr;
1273 
1274 enum NvmeNsIdentifierLength {
1275     NVME_NIDL_EUI64             = 8,
1276     NVME_NIDL_NGUID             = 16,
1277     NVME_NIDL_UUID              = 16,
1278     NVME_NIDL_CSI               = 1,
1279 };
1280 
1281 enum NvmeNsIdentifierType {
1282     NVME_NIDT_EUI64             = 0x01,
1283     NVME_NIDT_NGUID             = 0x02,
1284     NVME_NIDT_UUID              = 0x03,
1285     NVME_NIDT_CSI               = 0x04,
1286 };
1287 
1288 enum NvmeIdNsNmic {
1289     NVME_NMIC_NS_SHARED         = 1 << 0,
1290 };
1291 
1292 enum NvmeCsi {
1293     NVME_CSI_NVM                = 0x00,
1294     NVME_CSI_ZONED              = 0x02,
1295 };
1296 
1297 #define NVME_SET_CSI(vec, csi) (vec |= (uint8_t)(1 << (csi)))
1298 
1299 typedef struct QEMU_PACKED NvmeIdNsZoned {
1300     uint16_t    zoc;
1301     uint16_t    ozcs;
1302     uint32_t    mar;
1303     uint32_t    mor;
1304     uint32_t    rrl;
1305     uint32_t    frl;
1306     uint8_t     rsvd20[2796];
1307     NvmeLBAFE   lbafe[16];
1308     uint8_t     rsvd3072[768];
1309     uint8_t     vs[256];
1310 } NvmeIdNsZoned;
1311 
1312 /*Deallocate Logical Block Features*/
1313 #define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat)       ((dlfeat) & 0x10)
1314 #define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat)    ((dlfeat) & 0x08)
1315 
1316 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR(dlfeat)     ((dlfeat) & 0x7)
1317 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_UNDEFINED   0
1318 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ZEROES      1
1319 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ONES        2
1320 
1321 
1322 #define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
1323 #define NVME_ID_NS_NSFEAT_DULBE(nsfeat)     ((nsfeat >> 2) & 0x1)
1324 #define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
1325 #define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
1326 #define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
1327 #define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
1328 #define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
1329 #define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
1330 #define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
1331 #define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
1332 #define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
1333 #define NVME_ID_NS_DPC_TYPE_MASK            0x7
1334 
1335 enum NvmeIdNsDps {
1336     NVME_ID_NS_DPS_TYPE_NONE   = 0,
1337     NVME_ID_NS_DPS_TYPE_1      = 1,
1338     NVME_ID_NS_DPS_TYPE_2      = 2,
1339     NVME_ID_NS_DPS_TYPE_3      = 3,
1340     NVME_ID_NS_DPS_TYPE_MASK   = 0x7,
1341     NVME_ID_NS_DPS_FIRST_EIGHT = 8,
1342 };
1343 
1344 #define NVME_ID_NS_DPS_TYPE(dps) (dps & NVME_ID_NS_DPS_TYPE_MASK)
1345 
1346 typedef struct NvmeDifTuple {
1347     uint16_t guard;
1348     uint16_t apptag;
1349     uint32_t reftag;
1350 } NvmeDifTuple;
1351 
1352 enum NvmeZoneAttr {
1353     NVME_ZA_FINISHED_BY_CTLR         = 1 << 0,
1354     NVME_ZA_FINISH_RECOMMENDED       = 1 << 1,
1355     NVME_ZA_RESET_RECOMMENDED        = 1 << 2,
1356     NVME_ZA_ZD_EXT_VALID             = 1 << 7,
1357 };
1358 
1359 typedef struct QEMU_PACKED NvmeZoneReportHeader {
1360     uint64_t    nr_zones;
1361     uint8_t     rsvd[56];
1362 } NvmeZoneReportHeader;
1363 
1364 enum NvmeZoneReceiveAction {
1365     NVME_ZONE_REPORT                 = 0,
1366     NVME_ZONE_REPORT_EXTENDED        = 1,
1367 };
1368 
1369 enum NvmeZoneReportType {
1370     NVME_ZONE_REPORT_ALL             = 0,
1371     NVME_ZONE_REPORT_EMPTY           = 1,
1372     NVME_ZONE_REPORT_IMPLICITLY_OPEN = 2,
1373     NVME_ZONE_REPORT_EXPLICITLY_OPEN = 3,
1374     NVME_ZONE_REPORT_CLOSED          = 4,
1375     NVME_ZONE_REPORT_FULL            = 5,
1376     NVME_ZONE_REPORT_READ_ONLY       = 6,
1377     NVME_ZONE_REPORT_OFFLINE         = 7,
1378 };
1379 
1380 enum NvmeZoneType {
1381     NVME_ZONE_TYPE_RESERVED          = 0x00,
1382     NVME_ZONE_TYPE_SEQ_WRITE         = 0x02,
1383 };
1384 
1385 enum NvmeZoneSendAction {
1386     NVME_ZONE_ACTION_RSD             = 0x00,
1387     NVME_ZONE_ACTION_CLOSE           = 0x01,
1388     NVME_ZONE_ACTION_FINISH          = 0x02,
1389     NVME_ZONE_ACTION_OPEN            = 0x03,
1390     NVME_ZONE_ACTION_RESET           = 0x04,
1391     NVME_ZONE_ACTION_OFFLINE         = 0x05,
1392     NVME_ZONE_ACTION_SET_ZD_EXT      = 0x10,
1393 };
1394 
1395 typedef struct QEMU_PACKED NvmeZoneDescr {
1396     uint8_t     zt;
1397     uint8_t     zs;
1398     uint8_t     za;
1399     uint8_t     rsvd3[5];
1400     uint64_t    zcap;
1401     uint64_t    zslba;
1402     uint64_t    wp;
1403     uint8_t     rsvd32[32];
1404 } NvmeZoneDescr;
1405 
1406 typedef enum NvmeZoneState {
1407     NVME_ZONE_STATE_RESERVED         = 0x00,
1408     NVME_ZONE_STATE_EMPTY            = 0x01,
1409     NVME_ZONE_STATE_IMPLICITLY_OPEN  = 0x02,
1410     NVME_ZONE_STATE_EXPLICITLY_OPEN  = 0x03,
1411     NVME_ZONE_STATE_CLOSED           = 0x04,
1412     NVME_ZONE_STATE_READ_ONLY        = 0x0D,
1413     NVME_ZONE_STATE_FULL             = 0x0E,
1414     NVME_ZONE_STATE_OFFLINE          = 0x0F,
1415 } NvmeZoneState;
1416 
1417 static inline void _nvme_check_size(void)
1418 {
1419     QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
1420     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
1421     QEMU_BUILD_BUG_ON(sizeof(NvmeZonedResult) != 8);
1422     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
1423     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
1424     QEMU_BUILD_BUG_ON(sizeof(NvmeCopySourceRange) != 32);
1425     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
1426     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
1427     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
1428     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
1429     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
1430     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
1431     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
1432     QEMU_BUILD_BUG_ON(sizeof(NvmeCopyCmd) != 64);
1433     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
1434     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
1435     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
1436     QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
1437     QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) != 4096);
1438     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
1439     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlZoned) != 4096);
1440     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlNvm) != 4096);
1441     QEMU_BUILD_BUG_ON(sizeof(NvmeLBAF) != 4);
1442     QEMU_BUILD_BUG_ON(sizeof(NvmeLBAFE) != 16);
1443     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
1444     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsZoned) != 4096);
1445     QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16);
1446     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
1447     QEMU_BUILD_BUG_ON(sizeof(NvmeZoneDescr) != 64);
1448     QEMU_BUILD_BUG_ON(sizeof(NvmeDifTuple) != 8);
1449 }
1450 #endif
1451