xref: /openbmc/qemu/include/block/nvme.h (revision 4714791b)
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     uint8_t     padding[3520]; /* not used by QEMU */
19     uint32_t    pmrcap;
20     uint32_t    pmrctl;
21     uint32_t    pmrsts;
22     uint32_t    pmrebs;
23     uint32_t    pmrswtp;
24     uint64_t    pmrmsc;
25     uint8_t     reserved[484];
26 } NvmeBar;
27 
28 enum NvmeCapShift {
29     CAP_MQES_SHIFT     = 0,
30     CAP_CQR_SHIFT      = 16,
31     CAP_AMS_SHIFT      = 17,
32     CAP_TO_SHIFT       = 24,
33     CAP_DSTRD_SHIFT    = 32,
34     CAP_NSSRS_SHIFT    = 36,
35     CAP_CSS_SHIFT      = 37,
36     CAP_MPSMIN_SHIFT   = 48,
37     CAP_MPSMAX_SHIFT   = 52,
38     CAP_PMR_SHIFT      = 56,
39 };
40 
41 enum NvmeCapMask {
42     CAP_MQES_MASK      = 0xffff,
43     CAP_CQR_MASK       = 0x1,
44     CAP_AMS_MASK       = 0x3,
45     CAP_TO_MASK        = 0xff,
46     CAP_DSTRD_MASK     = 0xf,
47     CAP_NSSRS_MASK     = 0x1,
48     CAP_CSS_MASK       = 0xff,
49     CAP_MPSMIN_MASK    = 0xf,
50     CAP_MPSMAX_MASK    = 0xf,
51     CAP_PMR_MASK       = 0x1,
52 };
53 
54 #define NVME_CAP_MQES(cap)  (((cap) >> CAP_MQES_SHIFT)   & CAP_MQES_MASK)
55 #define NVME_CAP_CQR(cap)   (((cap) >> CAP_CQR_SHIFT)    & CAP_CQR_MASK)
56 #define NVME_CAP_AMS(cap)   (((cap) >> CAP_AMS_SHIFT)    & CAP_AMS_MASK)
57 #define NVME_CAP_TO(cap)    (((cap) >> CAP_TO_SHIFT)     & CAP_TO_MASK)
58 #define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT)  & CAP_DSTRD_MASK)
59 #define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT)  & CAP_NSSRS_MASK)
60 #define NVME_CAP_CSS(cap)   (((cap) >> CAP_CSS_SHIFT)    & CAP_CSS_MASK)
61 #define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK)
62 #define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK)
63 #define NVME_CAP_PMR(cap)   (((cap) >> CAP_PMR_SHIFT)    & CAP_PMR_MASK)
64 
65 #define NVME_CAP_SET_MQES(cap, val)   (cap |= (uint64_t)(val & CAP_MQES_MASK)  \
66                                                            << CAP_MQES_SHIFT)
67 #define NVME_CAP_SET_CQR(cap, val)    (cap |= (uint64_t)(val & CAP_CQR_MASK)   \
68                                                            << CAP_CQR_SHIFT)
69 #define NVME_CAP_SET_AMS(cap, val)    (cap |= (uint64_t)(val & CAP_AMS_MASK)   \
70                                                            << CAP_AMS_SHIFT)
71 #define NVME_CAP_SET_TO(cap, val)     (cap |= (uint64_t)(val & CAP_TO_MASK)    \
72                                                            << CAP_TO_SHIFT)
73 #define NVME_CAP_SET_DSTRD(cap, val)  (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \
74                                                            << CAP_DSTRD_SHIFT)
75 #define NVME_CAP_SET_NSSRS(cap, val)  (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \
76                                                            << CAP_NSSRS_SHIFT)
77 #define NVME_CAP_SET_CSS(cap, val)    (cap |= (uint64_t)(val & CAP_CSS_MASK)   \
78                                                            << CAP_CSS_SHIFT)
79 #define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\
80                                                            << CAP_MPSMIN_SHIFT)
81 #define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\
82                                                             << CAP_MPSMAX_SHIFT)
83 #define NVME_CAP_SET_PMRS(cap, val) (cap |= (uint64_t)(val & CAP_PMR_MASK)\
84                                                             << CAP_PMR_SHIFT)
85 
86 enum NvmeCapCss {
87     NVME_CAP_CSS_NVM        = 1 << 0,
88     NVME_CAP_CSS_CSI_SUPP   = 1 << 6,
89     NVME_CAP_CSS_ADMIN_ONLY = 1 << 7,
90 };
91 
92 enum NvmeCcShift {
93     CC_EN_SHIFT     = 0,
94     CC_CSS_SHIFT    = 4,
95     CC_MPS_SHIFT    = 7,
96     CC_AMS_SHIFT    = 11,
97     CC_SHN_SHIFT    = 14,
98     CC_IOSQES_SHIFT = 16,
99     CC_IOCQES_SHIFT = 20,
100 };
101 
102 enum NvmeCcMask {
103     CC_EN_MASK      = 0x1,
104     CC_CSS_MASK     = 0x7,
105     CC_MPS_MASK     = 0xf,
106     CC_AMS_MASK     = 0x7,
107     CC_SHN_MASK     = 0x3,
108     CC_IOSQES_MASK  = 0xf,
109     CC_IOCQES_MASK  = 0xf,
110 };
111 
112 #define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
113 #define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
114 #define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
115 #define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
116 #define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
117 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
118 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
119 
120 enum NvmeCcCss {
121     NVME_CC_CSS_NVM        = 0x0,
122     NVME_CC_CSS_CSI        = 0x6,
123     NVME_CC_CSS_ADMIN_ONLY = 0x7,
124 };
125 
126 #define NVME_SET_CC_EN(cc, val)     \
127     (cc |= (uint32_t)((val) & CC_EN_MASK) << CC_EN_SHIFT)
128 #define NVME_SET_CC_CSS(cc, val)    \
129     (cc |= (uint32_t)((val) & CC_CSS_MASK) << CC_CSS_SHIFT)
130 #define NVME_SET_CC_MPS(cc, val)    \
131     (cc |= (uint32_t)((val) & CC_MPS_MASK) << CC_MPS_SHIFT)
132 #define NVME_SET_CC_AMS(cc, val)    \
133     (cc |= (uint32_t)((val) & CC_AMS_MASK) << CC_AMS_SHIFT)
134 #define NVME_SET_CC_SHN(cc, val)    \
135     (cc |= (uint32_t)((val) & CC_SHN_MASK) << CC_SHN_SHIFT)
136 #define NVME_SET_CC_IOSQES(cc, val) \
137     (cc |= (uint32_t)((val) & CC_IOSQES_MASK) << CC_IOSQES_SHIFT)
138 #define NVME_SET_CC_IOCQES(cc, val) \
139     (cc |= (uint32_t)((val) & CC_IOCQES_MASK) << CC_IOCQES_SHIFT)
140 
141 enum NvmeCstsShift {
142     CSTS_RDY_SHIFT      = 0,
143     CSTS_CFS_SHIFT      = 1,
144     CSTS_SHST_SHIFT     = 2,
145     CSTS_NSSRO_SHIFT    = 4,
146 };
147 
148 enum NvmeCstsMask {
149     CSTS_RDY_MASK   = 0x1,
150     CSTS_CFS_MASK   = 0x1,
151     CSTS_SHST_MASK  = 0x3,
152     CSTS_NSSRO_MASK = 0x1,
153 };
154 
155 enum NvmeCsts {
156     NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
157     NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
158     NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
159     NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
160     NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
161     NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
162 };
163 
164 #define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
165 #define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
166 #define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
167 #define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
168 
169 enum NvmeAqaShift {
170     AQA_ASQS_SHIFT  = 0,
171     AQA_ACQS_SHIFT  = 16,
172 };
173 
174 enum NvmeAqaMask {
175     AQA_ASQS_MASK   = 0xfff,
176     AQA_ACQS_MASK   = 0xfff,
177 };
178 
179 #define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
180 #define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
181 
182 enum NvmeCmblocShift {
183     CMBLOC_BIR_SHIFT  = 0,
184     CMBLOC_OFST_SHIFT = 12,
185 };
186 
187 enum NvmeCmblocMask {
188     CMBLOC_BIR_MASK  = 0x7,
189     CMBLOC_OFST_MASK = 0xfffff,
190 };
191 
192 #define NVME_CMBLOC_BIR(cmbloc) ((cmbloc >> CMBLOC_BIR_SHIFT)  & \
193                                  CMBLOC_BIR_MASK)
194 #define NVME_CMBLOC_OFST(cmbloc)((cmbloc >> CMBLOC_OFST_SHIFT) & \
195                                  CMBLOC_OFST_MASK)
196 
197 #define NVME_CMBLOC_SET_BIR(cmbloc, val)  \
198     (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
199 #define NVME_CMBLOC_SET_OFST(cmbloc, val) \
200     (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)
201 
202 enum NvmeCmbszShift {
203     CMBSZ_SQS_SHIFT   = 0,
204     CMBSZ_CQS_SHIFT   = 1,
205     CMBSZ_LISTS_SHIFT = 2,
206     CMBSZ_RDS_SHIFT   = 3,
207     CMBSZ_WDS_SHIFT   = 4,
208     CMBSZ_SZU_SHIFT   = 8,
209     CMBSZ_SZ_SHIFT    = 12,
210 };
211 
212 enum NvmeCmbszMask {
213     CMBSZ_SQS_MASK   = 0x1,
214     CMBSZ_CQS_MASK   = 0x1,
215     CMBSZ_LISTS_MASK = 0x1,
216     CMBSZ_RDS_MASK   = 0x1,
217     CMBSZ_WDS_MASK   = 0x1,
218     CMBSZ_SZU_MASK   = 0xf,
219     CMBSZ_SZ_MASK    = 0xfffff,
220 };
221 
222 #define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
223 #define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
224 #define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
225 #define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
226 #define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
227 #define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
228 #define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)
229 
230 #define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
231     (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
232 #define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
233     (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
234 #define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
235     (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
236 #define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
237     (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
238 #define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
239     (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
240 #define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
241     (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
242 #define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
243     (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)
244 
245 #define NVME_CMBSZ_GETSIZE(cmbsz) \
246     (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))
247 
248 enum NvmePmrcapShift {
249     PMRCAP_RDS_SHIFT      = 3,
250     PMRCAP_WDS_SHIFT      = 4,
251     PMRCAP_BIR_SHIFT      = 5,
252     PMRCAP_PMRTU_SHIFT    = 8,
253     PMRCAP_PMRWBM_SHIFT   = 10,
254     PMRCAP_PMRTO_SHIFT    = 16,
255     PMRCAP_CMSS_SHIFT     = 24,
256 };
257 
258 enum NvmePmrcapMask {
259     PMRCAP_RDS_MASK      = 0x1,
260     PMRCAP_WDS_MASK      = 0x1,
261     PMRCAP_BIR_MASK      = 0x7,
262     PMRCAP_PMRTU_MASK    = 0x3,
263     PMRCAP_PMRWBM_MASK   = 0xf,
264     PMRCAP_PMRTO_MASK    = 0xff,
265     PMRCAP_CMSS_MASK     = 0x1,
266 };
267 
268 #define NVME_PMRCAP_RDS(pmrcap)    \
269     ((pmrcap >> PMRCAP_RDS_SHIFT)   & PMRCAP_RDS_MASK)
270 #define NVME_PMRCAP_WDS(pmrcap)    \
271     ((pmrcap >> PMRCAP_WDS_SHIFT)   & PMRCAP_WDS_MASK)
272 #define NVME_PMRCAP_BIR(pmrcap)    \
273     ((pmrcap >> PMRCAP_BIR_SHIFT)   & PMRCAP_BIR_MASK)
274 #define NVME_PMRCAP_PMRTU(pmrcap)    \
275     ((pmrcap >> PMRCAP_PMRTU_SHIFT)   & PMRCAP_PMRTU_MASK)
276 #define NVME_PMRCAP_PMRWBM(pmrcap)    \
277     ((pmrcap >> PMRCAP_PMRWBM_SHIFT)   & PMRCAP_PMRWBM_MASK)
278 #define NVME_PMRCAP_PMRTO(pmrcap)    \
279     ((pmrcap >> PMRCAP_PMRTO_SHIFT)   & PMRCAP_PMRTO_MASK)
280 #define NVME_PMRCAP_CMSS(pmrcap)    \
281     ((pmrcap >> PMRCAP_CMSS_SHIFT)   & PMRCAP_CMSS_MASK)
282 
283 #define NVME_PMRCAP_SET_RDS(pmrcap, val)   \
284     (pmrcap |= (uint64_t)(val & PMRCAP_RDS_MASK) << PMRCAP_RDS_SHIFT)
285 #define NVME_PMRCAP_SET_WDS(pmrcap, val)   \
286     (pmrcap |= (uint64_t)(val & PMRCAP_WDS_MASK) << PMRCAP_WDS_SHIFT)
287 #define NVME_PMRCAP_SET_BIR(pmrcap, val)   \
288     (pmrcap |= (uint64_t)(val & PMRCAP_BIR_MASK) << PMRCAP_BIR_SHIFT)
289 #define NVME_PMRCAP_SET_PMRTU(pmrcap, val)   \
290     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTU_MASK) << PMRCAP_PMRTU_SHIFT)
291 #define NVME_PMRCAP_SET_PMRWBM(pmrcap, val)   \
292     (pmrcap |= (uint64_t)(val & PMRCAP_PMRWBM_MASK) << PMRCAP_PMRWBM_SHIFT)
293 #define NVME_PMRCAP_SET_PMRTO(pmrcap, val)   \
294     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTO_MASK) << PMRCAP_PMRTO_SHIFT)
295 #define NVME_PMRCAP_SET_CMSS(pmrcap, val)   \
296     (pmrcap |= (uint64_t)(val & PMRCAP_CMSS_MASK) << PMRCAP_CMSS_SHIFT)
297 
298 enum NvmePmrctlShift {
299     PMRCTL_EN_SHIFT   = 0,
300 };
301 
302 enum NvmePmrctlMask {
303     PMRCTL_EN_MASK   = 0x1,
304 };
305 
306 #define NVME_PMRCTL_EN(pmrctl)  ((pmrctl >> PMRCTL_EN_SHIFT)   & PMRCTL_EN_MASK)
307 
308 #define NVME_PMRCTL_SET_EN(pmrctl, val)   \
309     (pmrctl |= (uint64_t)(val & PMRCTL_EN_MASK) << PMRCTL_EN_SHIFT)
310 
311 enum NvmePmrstsShift {
312     PMRSTS_ERR_SHIFT    = 0,
313     PMRSTS_NRDY_SHIFT   = 8,
314     PMRSTS_HSTS_SHIFT   = 9,
315     PMRSTS_CBAI_SHIFT   = 12,
316 };
317 
318 enum NvmePmrstsMask {
319     PMRSTS_ERR_MASK    = 0xff,
320     PMRSTS_NRDY_MASK   = 0x1,
321     PMRSTS_HSTS_MASK   = 0x7,
322     PMRSTS_CBAI_MASK   = 0x1,
323 };
324 
325 #define NVME_PMRSTS_ERR(pmrsts)     \
326     ((pmrsts >> PMRSTS_ERR_SHIFT)   & PMRSTS_ERR_MASK)
327 #define NVME_PMRSTS_NRDY(pmrsts)    \
328     ((pmrsts >> PMRSTS_NRDY_SHIFT)   & PMRSTS_NRDY_MASK)
329 #define NVME_PMRSTS_HSTS(pmrsts)    \
330     ((pmrsts >> PMRSTS_HSTS_SHIFT)   & PMRSTS_HSTS_MASK)
331 #define NVME_PMRSTS_CBAI(pmrsts)    \
332     ((pmrsts >> PMRSTS_CBAI_SHIFT)   & PMRSTS_CBAI_MASK)
333 
334 #define NVME_PMRSTS_SET_ERR(pmrsts, val)   \
335     (pmrsts |= (uint64_t)(val & PMRSTS_ERR_MASK) << PMRSTS_ERR_SHIFT)
336 #define NVME_PMRSTS_SET_NRDY(pmrsts, val)   \
337     (pmrsts |= (uint64_t)(val & PMRSTS_NRDY_MASK) << PMRSTS_NRDY_SHIFT)
338 #define NVME_PMRSTS_SET_HSTS(pmrsts, val)   \
339     (pmrsts |= (uint64_t)(val & PMRSTS_HSTS_MASK) << PMRSTS_HSTS_SHIFT)
340 #define NVME_PMRSTS_SET_CBAI(pmrsts, val)   \
341     (pmrsts |= (uint64_t)(val & PMRSTS_CBAI_MASK) << PMRSTS_CBAI_SHIFT)
342 
343 enum NvmePmrebsShift {
344     PMREBS_PMRSZU_SHIFT   = 0,
345     PMREBS_RBB_SHIFT      = 4,
346     PMREBS_PMRWBZ_SHIFT   = 8,
347 };
348 
349 enum NvmePmrebsMask {
350     PMREBS_PMRSZU_MASK   = 0xf,
351     PMREBS_RBB_MASK      = 0x1,
352     PMREBS_PMRWBZ_MASK   = 0xffffff,
353 };
354 
355 #define NVME_PMREBS_PMRSZU(pmrebs)  \
356     ((pmrebs >> PMREBS_PMRSZU_SHIFT)   & PMREBS_PMRSZU_MASK)
357 #define NVME_PMREBS_RBB(pmrebs)     \
358     ((pmrebs >> PMREBS_RBB_SHIFT)   & PMREBS_RBB_MASK)
359 #define NVME_PMREBS_PMRWBZ(pmrebs)  \
360     ((pmrebs >> PMREBS_PMRWBZ_SHIFT)   & PMREBS_PMRWBZ_MASK)
361 
362 #define NVME_PMREBS_SET_PMRSZU(pmrebs, val)   \
363     (pmrebs |= (uint64_t)(val & PMREBS_PMRSZU_MASK) << PMREBS_PMRSZU_SHIFT)
364 #define NVME_PMREBS_SET_RBB(pmrebs, val)   \
365     (pmrebs |= (uint64_t)(val & PMREBS_RBB_MASK) << PMREBS_RBB_SHIFT)
366 #define NVME_PMREBS_SET_PMRWBZ(pmrebs, val)   \
367     (pmrebs |= (uint64_t)(val & PMREBS_PMRWBZ_MASK) << PMREBS_PMRWBZ_SHIFT)
368 
369 enum NvmePmrswtpShift {
370     PMRSWTP_PMRSWTU_SHIFT   = 0,
371     PMRSWTP_PMRSWTV_SHIFT   = 8,
372 };
373 
374 enum NvmePmrswtpMask {
375     PMRSWTP_PMRSWTU_MASK   = 0xf,
376     PMRSWTP_PMRSWTV_MASK   = 0xffffff,
377 };
378 
379 #define NVME_PMRSWTP_PMRSWTU(pmrswtp)   \
380     ((pmrswtp >> PMRSWTP_PMRSWTU_SHIFT)   & PMRSWTP_PMRSWTU_MASK)
381 #define NVME_PMRSWTP_PMRSWTV(pmrswtp)   \
382     ((pmrswtp >> PMRSWTP_PMRSWTV_SHIFT)   & PMRSWTP_PMRSWTV_MASK)
383 
384 #define NVME_PMRSWTP_SET_PMRSWTU(pmrswtp, val)   \
385     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTU_MASK) << PMRSWTP_PMRSWTU_SHIFT)
386 #define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val)   \
387     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
388 
389 enum NvmePmrmscShift {
390     PMRMSC_CMSE_SHIFT   = 1,
391     PMRMSC_CBA_SHIFT    = 12,
392 };
393 
394 enum NvmePmrmscMask {
395     PMRMSC_CMSE_MASK   = 0x1,
396     PMRMSC_CBA_MASK    = 0xfffffffffffff,
397 };
398 
399 #define NVME_PMRMSC_CMSE(pmrmsc)    \
400     ((pmrmsc >> PMRMSC_CMSE_SHIFT)   & PMRMSC_CMSE_MASK)
401 #define NVME_PMRMSC_CBA(pmrmsc)     \
402     ((pmrmsc >> PMRMSC_CBA_SHIFT)   & PMRMSC_CBA_MASK)
403 
404 #define NVME_PMRMSC_SET_CMSE(pmrmsc, val)   \
405     (pmrmsc |= (uint64_t)(val & PMRMSC_CMSE_MASK) << PMRMSC_CMSE_SHIFT)
406 #define NVME_PMRMSC_SET_CBA(pmrmsc, val)   \
407     (pmrmsc |= (uint64_t)(val & PMRMSC_CBA_MASK) << PMRMSC_CBA_SHIFT)
408 
409 enum NvmeSglDescriptorType {
410     NVME_SGL_DESCR_TYPE_DATA_BLOCK          = 0x0,
411     NVME_SGL_DESCR_TYPE_BIT_BUCKET          = 0x1,
412     NVME_SGL_DESCR_TYPE_SEGMENT             = 0x2,
413     NVME_SGL_DESCR_TYPE_LAST_SEGMENT        = 0x3,
414     NVME_SGL_DESCR_TYPE_KEYED_DATA_BLOCK    = 0x4,
415 
416     NVME_SGL_DESCR_TYPE_VENDOR_SPECIFIC     = 0xf,
417 };
418 
419 enum NvmeSglDescriptorSubtype {
420     NVME_SGL_DESCR_SUBTYPE_ADDRESS = 0x0,
421 };
422 
423 typedef struct QEMU_PACKED NvmeSglDescriptor {
424     uint64_t addr;
425     uint32_t len;
426     uint8_t  rsvd[3];
427     uint8_t  type;
428 } NvmeSglDescriptor;
429 
430 #define NVME_SGL_TYPE(type)     ((type >> 4) & 0xf)
431 #define NVME_SGL_SUBTYPE(type)  (type & 0xf)
432 
433 typedef union NvmeCmdDptr {
434     struct {
435         uint64_t    prp1;
436         uint64_t    prp2;
437     };
438 
439     NvmeSglDescriptor sgl;
440 } NvmeCmdDptr;
441 
442 enum NvmePsdt {
443     NVME_PSDT_PRP                 = 0x0,
444     NVME_PSDT_SGL_MPTR_CONTIGUOUS = 0x1,
445     NVME_PSDT_SGL_MPTR_SGL        = 0x2,
446 };
447 
448 typedef struct QEMU_PACKED NvmeCmd {
449     uint8_t     opcode;
450     uint8_t     flags;
451     uint16_t    cid;
452     uint32_t    nsid;
453     uint64_t    res1;
454     uint64_t    mptr;
455     NvmeCmdDptr dptr;
456     uint32_t    cdw10;
457     uint32_t    cdw11;
458     uint32_t    cdw12;
459     uint32_t    cdw13;
460     uint32_t    cdw14;
461     uint32_t    cdw15;
462 } NvmeCmd;
463 
464 #define NVME_CMD_FLAGS_FUSE(flags) (flags & 0x3)
465 #define NVME_CMD_FLAGS_PSDT(flags) ((flags >> 6) & 0x3)
466 
467 enum NvmeAdminCommands {
468     NVME_ADM_CMD_DELETE_SQ      = 0x00,
469     NVME_ADM_CMD_CREATE_SQ      = 0x01,
470     NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
471     NVME_ADM_CMD_DELETE_CQ      = 0x04,
472     NVME_ADM_CMD_CREATE_CQ      = 0x05,
473     NVME_ADM_CMD_IDENTIFY       = 0x06,
474     NVME_ADM_CMD_ABORT          = 0x08,
475     NVME_ADM_CMD_SET_FEATURES   = 0x09,
476     NVME_ADM_CMD_GET_FEATURES   = 0x0a,
477     NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
478     NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
479     NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
480     NVME_ADM_CMD_FORMAT_NVM     = 0x80,
481     NVME_ADM_CMD_SECURITY_SEND  = 0x81,
482     NVME_ADM_CMD_SECURITY_RECV  = 0x82,
483 };
484 
485 enum NvmeIoCommands {
486     NVME_CMD_FLUSH              = 0x00,
487     NVME_CMD_WRITE              = 0x01,
488     NVME_CMD_READ               = 0x02,
489     NVME_CMD_WRITE_UNCOR        = 0x04,
490     NVME_CMD_COMPARE            = 0x05,
491     NVME_CMD_WRITE_ZEROES       = 0x08,
492     NVME_CMD_DSM                = 0x09,
493     NVME_CMD_ZONE_MGMT_SEND     = 0x79,
494     NVME_CMD_ZONE_MGMT_RECV     = 0x7a,
495     NVME_CMD_ZONE_APPEND        = 0x7d,
496 };
497 
498 typedef struct QEMU_PACKED NvmeDeleteQ {
499     uint8_t     opcode;
500     uint8_t     flags;
501     uint16_t    cid;
502     uint32_t    rsvd1[9];
503     uint16_t    qid;
504     uint16_t    rsvd10;
505     uint32_t    rsvd11[5];
506 } NvmeDeleteQ;
507 
508 typedef struct QEMU_PACKED NvmeCreateCq {
509     uint8_t     opcode;
510     uint8_t     flags;
511     uint16_t    cid;
512     uint32_t    rsvd1[5];
513     uint64_t    prp1;
514     uint64_t    rsvd8;
515     uint16_t    cqid;
516     uint16_t    qsize;
517     uint16_t    cq_flags;
518     uint16_t    irq_vector;
519     uint32_t    rsvd12[4];
520 } NvmeCreateCq;
521 
522 #define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
523 #define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
524 
525 enum NvmeFlagsCq {
526     NVME_CQ_PC          = 1,
527     NVME_CQ_IEN         = 2,
528 };
529 
530 typedef struct QEMU_PACKED NvmeCreateSq {
531     uint8_t     opcode;
532     uint8_t     flags;
533     uint16_t    cid;
534     uint32_t    rsvd1[5];
535     uint64_t    prp1;
536     uint64_t    rsvd8;
537     uint16_t    sqid;
538     uint16_t    qsize;
539     uint16_t    sq_flags;
540     uint16_t    cqid;
541     uint32_t    rsvd12[4];
542 } NvmeCreateSq;
543 
544 #define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
545 #define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)
546 
547 enum NvmeFlagsSq {
548     NVME_SQ_PC          = 1,
549 
550     NVME_SQ_PRIO_URGENT = 0,
551     NVME_SQ_PRIO_HIGH   = 1,
552     NVME_SQ_PRIO_NORMAL = 2,
553     NVME_SQ_PRIO_LOW    = 3,
554 };
555 
556 typedef struct QEMU_PACKED NvmeIdentify {
557     uint8_t     opcode;
558     uint8_t     flags;
559     uint16_t    cid;
560     uint32_t    nsid;
561     uint64_t    rsvd2[2];
562     uint64_t    prp1;
563     uint64_t    prp2;
564     uint8_t     cns;
565     uint8_t     rsvd10;
566     uint16_t    ctrlid;
567     uint16_t    nvmsetid;
568     uint8_t     rsvd11;
569     uint8_t     csi;
570     uint32_t    rsvd12[4];
571 } NvmeIdentify;
572 
573 typedef struct QEMU_PACKED NvmeRwCmd {
574     uint8_t     opcode;
575     uint8_t     flags;
576     uint16_t    cid;
577     uint32_t    nsid;
578     uint64_t    rsvd2;
579     uint64_t    mptr;
580     NvmeCmdDptr dptr;
581     uint64_t    slba;
582     uint16_t    nlb;
583     uint16_t    control;
584     uint32_t    dsmgmt;
585     uint32_t    reftag;
586     uint16_t    apptag;
587     uint16_t    appmask;
588 } NvmeRwCmd;
589 
590 enum {
591     NVME_RW_LR                  = 1 << 15,
592     NVME_RW_FUA                 = 1 << 14,
593     NVME_RW_DSM_FREQ_UNSPEC     = 0,
594     NVME_RW_DSM_FREQ_TYPICAL    = 1,
595     NVME_RW_DSM_FREQ_RARE       = 2,
596     NVME_RW_DSM_FREQ_READS      = 3,
597     NVME_RW_DSM_FREQ_WRITES     = 4,
598     NVME_RW_DSM_FREQ_RW         = 5,
599     NVME_RW_DSM_FREQ_ONCE       = 6,
600     NVME_RW_DSM_FREQ_PREFETCH   = 7,
601     NVME_RW_DSM_FREQ_TEMP       = 8,
602     NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
603     NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
604     NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
605     NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
606     NVME_RW_DSM_SEQ_REQ         = 1 << 6,
607     NVME_RW_DSM_COMPRESSED      = 1 << 7,
608     NVME_RW_PRINFO_PRACT        = 1 << 13,
609     NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
610     NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
611     NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
612 };
613 
614 typedef struct QEMU_PACKED NvmeDsmCmd {
615     uint8_t     opcode;
616     uint8_t     flags;
617     uint16_t    cid;
618     uint32_t    nsid;
619     uint64_t    rsvd2[2];
620     NvmeCmdDptr dptr;
621     uint32_t    nr;
622     uint32_t    attributes;
623     uint32_t    rsvd12[4];
624 } NvmeDsmCmd;
625 
626 enum {
627     NVME_DSMGMT_IDR = 1 << 0,
628     NVME_DSMGMT_IDW = 1 << 1,
629     NVME_DSMGMT_AD  = 1 << 2,
630 };
631 
632 typedef struct QEMU_PACKED NvmeDsmRange {
633     uint32_t    cattr;
634     uint32_t    nlb;
635     uint64_t    slba;
636 } NvmeDsmRange;
637 
638 enum NvmeAsyncEventRequest {
639     NVME_AER_TYPE_ERROR                     = 0,
640     NVME_AER_TYPE_SMART                     = 1,
641     NVME_AER_TYPE_IO_SPECIFIC               = 6,
642     NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
643     NVME_AER_INFO_ERR_INVALID_DB_REGISTER   = 0,
644     NVME_AER_INFO_ERR_INVALID_DB_VALUE      = 1,
645     NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
646     NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
647     NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
648     NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
649     NVME_AER_INFO_SMART_RELIABILITY         = 0,
650     NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
651     NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
652 };
653 
654 typedef struct QEMU_PACKED NvmeAerResult {
655     uint8_t event_type;
656     uint8_t event_info;
657     uint8_t log_page;
658     uint8_t resv;
659 } NvmeAerResult;
660 
661 typedef struct QEMU_PACKED NvmeZonedResult {
662     uint64_t slba;
663 } NvmeZonedResult;
664 
665 typedef struct QEMU_PACKED NvmeCqe {
666     uint32_t    result;
667     uint32_t    dw1;
668     uint16_t    sq_head;
669     uint16_t    sq_id;
670     uint16_t    cid;
671     uint16_t    status;
672 } NvmeCqe;
673 
674 enum NvmeStatusCodes {
675     NVME_SUCCESS                = 0x0000,
676     NVME_INVALID_OPCODE         = 0x0001,
677     NVME_INVALID_FIELD          = 0x0002,
678     NVME_CID_CONFLICT           = 0x0003,
679     NVME_DATA_TRAS_ERROR        = 0x0004,
680     NVME_POWER_LOSS_ABORT       = 0x0005,
681     NVME_INTERNAL_DEV_ERROR     = 0x0006,
682     NVME_CMD_ABORT_REQ          = 0x0007,
683     NVME_CMD_ABORT_SQ_DEL       = 0x0008,
684     NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
685     NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
686     NVME_INVALID_NSID           = 0x000b,
687     NVME_CMD_SEQ_ERROR          = 0x000c,
688     NVME_INVALID_SGL_SEG_DESCR  = 0x000d,
689     NVME_INVALID_NUM_SGL_DESCRS = 0x000e,
690     NVME_DATA_SGL_LEN_INVALID   = 0x000f,
691     NVME_MD_SGL_LEN_INVALID     = 0x0010,
692     NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
693     NVME_INVALID_USE_OF_CMB     = 0x0012,
694     NVME_INVALID_PRP_OFFSET     = 0x0013,
695     NVME_CMD_SET_CMB_REJECTED   = 0x002b,
696     NVME_INVALID_CMD_SET        = 0x002c,
697     NVME_LBA_RANGE              = 0x0080,
698     NVME_CAP_EXCEEDED           = 0x0081,
699     NVME_NS_NOT_READY           = 0x0082,
700     NVME_NS_RESV_CONFLICT       = 0x0083,
701     NVME_INVALID_CQID           = 0x0100,
702     NVME_INVALID_QID            = 0x0101,
703     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
704     NVME_ACL_EXCEEDED           = 0x0103,
705     NVME_RESERVED               = 0x0104,
706     NVME_AER_LIMIT_EXCEEDED     = 0x0105,
707     NVME_INVALID_FW_SLOT        = 0x0106,
708     NVME_INVALID_FW_IMAGE       = 0x0107,
709     NVME_INVALID_IRQ_VECTOR     = 0x0108,
710     NVME_INVALID_LOG_ID         = 0x0109,
711     NVME_INVALID_FORMAT         = 0x010a,
712     NVME_FW_REQ_RESET           = 0x010b,
713     NVME_INVALID_QUEUE_DEL      = 0x010c,
714     NVME_FID_NOT_SAVEABLE       = 0x010d,
715     NVME_FEAT_NOT_CHANGEABLE    = 0x010e,
716     NVME_FEAT_NOT_NS_SPEC       = 0x010f,
717     NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
718     NVME_CONFLICTING_ATTRS      = 0x0180,
719     NVME_INVALID_PROT_INFO      = 0x0181,
720     NVME_WRITE_TO_RO            = 0x0182,
721     NVME_ZONE_BOUNDARY_ERROR    = 0x01b8,
722     NVME_ZONE_FULL              = 0x01b9,
723     NVME_ZONE_READ_ONLY         = 0x01ba,
724     NVME_ZONE_OFFLINE           = 0x01bb,
725     NVME_ZONE_INVALID_WRITE     = 0x01bc,
726     NVME_ZONE_TOO_MANY_ACTIVE   = 0x01bd,
727     NVME_ZONE_TOO_MANY_OPEN     = 0x01be,
728     NVME_ZONE_INVAL_TRANSITION  = 0x01bf,
729     NVME_WRITE_FAULT            = 0x0280,
730     NVME_UNRECOVERED_READ       = 0x0281,
731     NVME_E2E_GUARD_ERROR        = 0x0282,
732     NVME_E2E_APP_ERROR          = 0x0283,
733     NVME_E2E_REF_ERROR          = 0x0284,
734     NVME_CMP_FAILURE            = 0x0285,
735     NVME_ACCESS_DENIED          = 0x0286,
736     NVME_DULB                   = 0x0287,
737     NVME_MORE                   = 0x2000,
738     NVME_DNR                    = 0x4000,
739     NVME_NO_COMPLETE            = 0xffff,
740 };
741 
742 typedef struct QEMU_PACKED NvmeFwSlotInfoLog {
743     uint8_t     afi;
744     uint8_t     reserved1[7];
745     uint8_t     frs1[8];
746     uint8_t     frs2[8];
747     uint8_t     frs3[8];
748     uint8_t     frs4[8];
749     uint8_t     frs5[8];
750     uint8_t     frs6[8];
751     uint8_t     frs7[8];
752     uint8_t     reserved2[448];
753 } NvmeFwSlotInfoLog;
754 
755 typedef struct QEMU_PACKED NvmeErrorLog {
756     uint64_t    error_count;
757     uint16_t    sqid;
758     uint16_t    cid;
759     uint16_t    status_field;
760     uint16_t    param_error_location;
761     uint64_t    lba;
762     uint32_t    nsid;
763     uint8_t     vs;
764     uint8_t     resv[35];
765 } NvmeErrorLog;
766 
767 typedef struct QEMU_PACKED NvmeSmartLog {
768     uint8_t     critical_warning;
769     uint16_t    temperature;
770     uint8_t     available_spare;
771     uint8_t     available_spare_threshold;
772     uint8_t     percentage_used;
773     uint8_t     reserved1[26];
774     uint64_t    data_units_read[2];
775     uint64_t    data_units_written[2];
776     uint64_t    host_read_commands[2];
777     uint64_t    host_write_commands[2];
778     uint64_t    controller_busy_time[2];
779     uint64_t    power_cycles[2];
780     uint64_t    power_on_hours[2];
781     uint64_t    unsafe_shutdowns[2];
782     uint64_t    media_errors[2];
783     uint64_t    number_of_error_log_entries[2];
784     uint8_t     reserved2[320];
785 } NvmeSmartLog;
786 
787 enum NvmeSmartWarn {
788     NVME_SMART_SPARE                  = 1 << 0,
789     NVME_SMART_TEMPERATURE            = 1 << 1,
790     NVME_SMART_RELIABILITY            = 1 << 2,
791     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
792     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
793     NVME_SMART_PMR_UNRELIABLE         = 1 << 5,
794 };
795 
796 typedef struct NvmeEffectsLog {
797     uint32_t    acs[256];
798     uint32_t    iocs[256];
799     uint8_t     resv[2048];
800 } NvmeEffectsLog;
801 
802 enum {
803     NVME_CMD_EFF_CSUPP      = 1 << 0,
804     NVME_CMD_EFF_LBCC       = 1 << 1,
805     NVME_CMD_EFF_NCC        = 1 << 2,
806     NVME_CMD_EFF_NIC        = 1 << 3,
807     NVME_CMD_EFF_CCC        = 1 << 4,
808     NVME_CMD_EFF_CSE_MASK   = 3 << 16,
809     NVME_CMD_EFF_UUID_SEL   = 1 << 19,
810 };
811 
812 enum NvmeLogIdentifier {
813     NVME_LOG_ERROR_INFO     = 0x01,
814     NVME_LOG_SMART_INFO     = 0x02,
815     NVME_LOG_FW_SLOT_INFO   = 0x03,
816     NVME_LOG_CMD_EFFECTS    = 0x05,
817 };
818 
819 typedef struct QEMU_PACKED NvmePSD {
820     uint16_t    mp;
821     uint16_t    reserved;
822     uint32_t    enlat;
823     uint32_t    exlat;
824     uint8_t     rrt;
825     uint8_t     rrl;
826     uint8_t     rwt;
827     uint8_t     rwl;
828     uint8_t     resv[16];
829 } NvmePSD;
830 
831 #define NVME_IDENTIFY_DATA_SIZE 4096
832 
833 enum NvmeIdCns {
834     NVME_ID_CNS_NS                    = 0x00,
835     NVME_ID_CNS_CTRL                  = 0x01,
836     NVME_ID_CNS_NS_ACTIVE_LIST        = 0x02,
837     NVME_ID_CNS_NS_DESCR_LIST         = 0x03,
838     NVME_ID_CNS_CS_NS                 = 0x05,
839     NVME_ID_CNS_CS_CTRL               = 0x06,
840     NVME_ID_CNS_CS_NS_ACTIVE_LIST     = 0x07,
841     NVME_ID_CNS_NS_PRESENT_LIST       = 0x10,
842     NVME_ID_CNS_NS_PRESENT            = 0x11,
843     NVME_ID_CNS_CS_NS_PRESENT_LIST    = 0x1a,
844     NVME_ID_CNS_CS_NS_PRESENT         = 0x1b,
845     NVME_ID_CNS_IO_COMMAND_SET        = 0x1c,
846 };
847 
848 typedef struct QEMU_PACKED NvmeIdCtrl {
849     uint16_t    vid;
850     uint16_t    ssvid;
851     uint8_t     sn[20];
852     uint8_t     mn[40];
853     uint8_t     fr[8];
854     uint8_t     rab;
855     uint8_t     ieee[3];
856     uint8_t     cmic;
857     uint8_t     mdts;
858     uint16_t    cntlid;
859     uint32_t    ver;
860     uint32_t    rtd3r;
861     uint32_t    rtd3e;
862     uint32_t    oaes;
863     uint32_t    ctratt;
864     uint8_t     rsvd100[12];
865     uint8_t     fguid[16];
866     uint8_t     rsvd128[128];
867     uint16_t    oacs;
868     uint8_t     acl;
869     uint8_t     aerl;
870     uint8_t     frmw;
871     uint8_t     lpa;
872     uint8_t     elpe;
873     uint8_t     npss;
874     uint8_t     avscc;
875     uint8_t     apsta;
876     uint16_t    wctemp;
877     uint16_t    cctemp;
878     uint16_t    mtfa;
879     uint32_t    hmpre;
880     uint32_t    hmmin;
881     uint8_t     tnvmcap[16];
882     uint8_t     unvmcap[16];
883     uint32_t    rpmbs;
884     uint16_t    edstt;
885     uint8_t     dsto;
886     uint8_t     fwug;
887     uint16_t    kas;
888     uint16_t    hctma;
889     uint16_t    mntmt;
890     uint16_t    mxtmt;
891     uint32_t    sanicap;
892     uint8_t     rsvd332[180];
893     uint8_t     sqes;
894     uint8_t     cqes;
895     uint16_t    maxcmd;
896     uint32_t    nn;
897     uint16_t    oncs;
898     uint16_t    fuses;
899     uint8_t     fna;
900     uint8_t     vwc;
901     uint16_t    awun;
902     uint16_t    awupf;
903     uint8_t     nvscc;
904     uint8_t     rsvd531;
905     uint16_t    acwu;
906     uint8_t     rsvd534[2];
907     uint32_t    sgls;
908     uint8_t     rsvd540[228];
909     uint8_t     subnqn[256];
910     uint8_t     rsvd1024[1024];
911     NvmePSD     psd[32];
912     uint8_t     vs[1024];
913 } NvmeIdCtrl;
914 
915 typedef struct NvmeIdCtrlZoned {
916     uint8_t     zasl;
917     uint8_t     rsvd1[4095];
918 } NvmeIdCtrlZoned;
919 
920 enum NvmeIdCtrlOacs {
921     NVME_OACS_SECURITY  = 1 << 0,
922     NVME_OACS_FORMAT    = 1 << 1,
923     NVME_OACS_FW        = 1 << 2,
924 };
925 
926 enum NvmeIdCtrlOncs {
927     NVME_ONCS_COMPARE       = 1 << 0,
928     NVME_ONCS_WRITE_UNCORR  = 1 << 1,
929     NVME_ONCS_DSM           = 1 << 2,
930     NVME_ONCS_WRITE_ZEROES  = 1 << 3,
931     NVME_ONCS_FEATURES      = 1 << 4,
932     NVME_ONCS_RESRVATIONS   = 1 << 5,
933     NVME_ONCS_TIMESTAMP     = 1 << 6,
934 };
935 
936 enum NvmeIdCtrlFrmw {
937     NVME_FRMW_SLOT1_RO = 1 << 0,
938 };
939 
940 enum NvmeIdCtrlLpa {
941     NVME_LPA_NS_SMART = 1 << 0,
942     NVME_LPA_CSE      = 1 << 1,
943     NVME_LPA_EXTENDED = 1 << 2,
944 };
945 
946 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
947 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
948 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
949 #define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
950 
951 #define NVME_CTRL_SGLS_SUPPORT_MASK        (0x3 <<  0)
952 #define NVME_CTRL_SGLS_SUPPORT_NO_ALIGN    (0x1 <<  0)
953 #define NVME_CTRL_SGLS_SUPPORT_DWORD_ALIGN (0x1 <<  1)
954 #define NVME_CTRL_SGLS_KEYED               (0x1 <<  2)
955 #define NVME_CTRL_SGLS_BITBUCKET           (0x1 << 16)
956 #define NVME_CTRL_SGLS_MPTR_CONTIGUOUS     (0x1 << 17)
957 #define NVME_CTRL_SGLS_EXCESS_LENGTH       (0x1 << 18)
958 #define NVME_CTRL_SGLS_MPTR_SGL            (0x1 << 19)
959 #define NVME_CTRL_SGLS_ADDR_OFFSET         (0x1 << 20)
960 
961 #define NVME_ARB_AB(arb)    (arb & 0x7)
962 #define NVME_ARB_AB_NOLIMIT 0x7
963 #define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
964 #define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
965 #define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)
966 
967 #define NVME_INTC_THR(intc)     (intc & 0xff)
968 #define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)
969 
970 #define NVME_INTVC_NOCOALESCING (0x1 << 16)
971 
972 #define NVME_TEMP_THSEL(temp)  ((temp >> 20) & 0x3)
973 #define NVME_TEMP_THSEL_OVER   0x0
974 #define NVME_TEMP_THSEL_UNDER  0x1
975 
976 #define NVME_TEMP_TMPSEL(temp)     ((temp >> 16) & 0xf)
977 #define NVME_TEMP_TMPSEL_COMPOSITE 0x0
978 
979 #define NVME_TEMP_TMPTH(temp) (temp & 0xffff)
980 
981 #define NVME_AEC_SMART(aec)         (aec & 0xff)
982 #define NVME_AEC_NS_ATTR(aec)       ((aec >> 8) & 0x1)
983 #define NVME_AEC_FW_ACTIVATION(aec) ((aec >> 9) & 0x1)
984 
985 #define NVME_ERR_REC_TLER(err_rec)  (err_rec & 0xffff)
986 #define NVME_ERR_REC_DULBE(err_rec) (err_rec & 0x10000)
987 
988 enum NvmeFeatureIds {
989     NVME_ARBITRATION                = 0x1,
990     NVME_POWER_MANAGEMENT           = 0x2,
991     NVME_LBA_RANGE_TYPE             = 0x3,
992     NVME_TEMPERATURE_THRESHOLD      = 0x4,
993     NVME_ERROR_RECOVERY             = 0x5,
994     NVME_VOLATILE_WRITE_CACHE       = 0x6,
995     NVME_NUMBER_OF_QUEUES           = 0x7,
996     NVME_INTERRUPT_COALESCING       = 0x8,
997     NVME_INTERRUPT_VECTOR_CONF      = 0x9,
998     NVME_WRITE_ATOMICITY            = 0xa,
999     NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
1000     NVME_TIMESTAMP                  = 0xe,
1001     NVME_COMMAND_SET_PROFILE        = 0x19,
1002     NVME_SOFTWARE_PROGRESS_MARKER   = 0x80,
1003     NVME_FID_MAX                    = 0x100,
1004 };
1005 
1006 typedef enum NvmeFeatureCap {
1007     NVME_FEAT_CAP_SAVE      = 1 << 0,
1008     NVME_FEAT_CAP_NS        = 1 << 1,
1009     NVME_FEAT_CAP_CHANGE    = 1 << 2,
1010 } NvmeFeatureCap;
1011 
1012 typedef enum NvmeGetFeatureSelect {
1013     NVME_GETFEAT_SELECT_CURRENT = 0x0,
1014     NVME_GETFEAT_SELECT_DEFAULT = 0x1,
1015     NVME_GETFEAT_SELECT_SAVED   = 0x2,
1016     NVME_GETFEAT_SELECT_CAP     = 0x3,
1017 } NvmeGetFeatureSelect;
1018 
1019 #define NVME_GETSETFEAT_FID_MASK 0xff
1020 #define NVME_GETSETFEAT_FID(dw10) (dw10 & NVME_GETSETFEAT_FID_MASK)
1021 
1022 #define NVME_GETFEAT_SELECT_SHIFT 8
1023 #define NVME_GETFEAT_SELECT_MASK  0x7
1024 #define NVME_GETFEAT_SELECT(dw10) \
1025     ((dw10 >> NVME_GETFEAT_SELECT_SHIFT) & NVME_GETFEAT_SELECT_MASK)
1026 
1027 #define NVME_SETFEAT_SAVE_SHIFT 31
1028 #define NVME_SETFEAT_SAVE_MASK  0x1
1029 #define NVME_SETFEAT_SAVE(dw10) \
1030     ((dw10 >> NVME_SETFEAT_SAVE_SHIFT) & NVME_SETFEAT_SAVE_MASK)
1031 
1032 typedef struct QEMU_PACKED NvmeRangeType {
1033     uint8_t     type;
1034     uint8_t     attributes;
1035     uint8_t     rsvd2[14];
1036     uint64_t    slba;
1037     uint64_t    nlb;
1038     uint8_t     guid[16];
1039     uint8_t     rsvd48[16];
1040 } NvmeRangeType;
1041 
1042 typedef struct QEMU_PACKED NvmeLBAF {
1043     uint16_t    ms;
1044     uint8_t     ds;
1045     uint8_t     rp;
1046 } NvmeLBAF;
1047 
1048 typedef struct QEMU_PACKED NvmeLBAFE {
1049     uint64_t    zsze;
1050     uint8_t     zdes;
1051     uint8_t     rsvd9[7];
1052 } NvmeLBAFE;
1053 
1054 #define NVME_NSID_BROADCAST 0xffffffff
1055 
1056 typedef struct QEMU_PACKED NvmeIdNs {
1057     uint64_t    nsze;
1058     uint64_t    ncap;
1059     uint64_t    nuse;
1060     uint8_t     nsfeat;
1061     uint8_t     nlbaf;
1062     uint8_t     flbas;
1063     uint8_t     mc;
1064     uint8_t     dpc;
1065     uint8_t     dps;
1066     uint8_t     nmic;
1067     uint8_t     rescap;
1068     uint8_t     fpi;
1069     uint8_t     dlfeat;
1070     uint16_t    nawun;
1071     uint16_t    nawupf;
1072     uint16_t    nacwu;
1073     uint16_t    nabsn;
1074     uint16_t    nabo;
1075     uint16_t    nabspf;
1076     uint16_t    noiob;
1077     uint8_t     nvmcap[16];
1078     uint16_t    npwg;
1079     uint16_t    npwa;
1080     uint16_t    npdg;
1081     uint16_t    npda;
1082     uint16_t    nows;
1083     uint8_t     rsvd74[30];
1084     uint8_t     nguid[16];
1085     uint64_t    eui64;
1086     NvmeLBAF    lbaf[16];
1087     uint8_t     rsvd192[192];
1088     uint8_t     vs[3712];
1089 } NvmeIdNs;
1090 
1091 typedef struct QEMU_PACKED NvmeIdNsDescr {
1092     uint8_t nidt;
1093     uint8_t nidl;
1094     uint8_t rsvd2[2];
1095 } NvmeIdNsDescr;
1096 
1097 enum NvmeNsIdentifierLength {
1098     NVME_NIDL_EUI64             = 8,
1099     NVME_NIDL_NGUID             = 16,
1100     NVME_NIDL_UUID              = 16,
1101     NVME_NIDL_CSI               = 1,
1102 };
1103 
1104 enum NvmeNsIdentifierType {
1105     NVME_NIDT_EUI64             = 0x01,
1106     NVME_NIDT_NGUID             = 0x02,
1107     NVME_NIDT_UUID              = 0x03,
1108     NVME_NIDT_CSI               = 0x04,
1109 };
1110 
1111 enum NvmeCsi {
1112     NVME_CSI_NVM                = 0x00,
1113     NVME_CSI_ZONED              = 0x02,
1114 };
1115 
1116 #define NVME_SET_CSI(vec, csi) (vec |= (uint8_t)(1 << (csi)))
1117 
1118 typedef struct QEMU_PACKED NvmeIdNsZoned {
1119     uint16_t    zoc;
1120     uint16_t    ozcs;
1121     uint32_t    mar;
1122     uint32_t    mor;
1123     uint32_t    rrl;
1124     uint32_t    frl;
1125     uint8_t     rsvd20[2796];
1126     NvmeLBAFE   lbafe[16];
1127     uint8_t     rsvd3072[768];
1128     uint8_t     vs[256];
1129 } NvmeIdNsZoned;
1130 
1131 /*Deallocate Logical Block Features*/
1132 #define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat)       ((dlfeat) & 0x10)
1133 #define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat)    ((dlfeat) & 0x08)
1134 
1135 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR(dlfeat)     ((dlfeat) & 0x7)
1136 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_UNDEFINED   0
1137 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ZEROES      1
1138 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ONES        2
1139 
1140 
1141 #define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
1142 #define NVME_ID_NS_NSFEAT_DULBE(nsfeat)     ((nsfeat >> 2) & 0x1)
1143 #define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
1144 #define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
1145 #define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
1146 #define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
1147 #define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
1148 #define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
1149 #define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
1150 #define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
1151 #define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
1152 #define NVME_ID_NS_DPC_TYPE_MASK            0x7
1153 
1154 enum NvmeIdNsDps {
1155     DPS_TYPE_NONE   = 0,
1156     DPS_TYPE_1      = 1,
1157     DPS_TYPE_2      = 2,
1158     DPS_TYPE_3      = 3,
1159     DPS_TYPE_MASK   = 0x7,
1160     DPS_FIRST_EIGHT = 8,
1161 };
1162 
1163 enum NvmeZoneAttr {
1164     NVME_ZA_FINISHED_BY_CTLR         = 1 << 0,
1165     NVME_ZA_FINISH_RECOMMENDED       = 1 << 1,
1166     NVME_ZA_RESET_RECOMMENDED        = 1 << 2,
1167     NVME_ZA_ZD_EXT_VALID             = 1 << 7,
1168 };
1169 
1170 typedef struct QEMU_PACKED NvmeZoneReportHeader {
1171     uint64_t    nr_zones;
1172     uint8_t     rsvd[56];
1173 } NvmeZoneReportHeader;
1174 
1175 enum NvmeZoneReceiveAction {
1176     NVME_ZONE_REPORT                 = 0,
1177     NVME_ZONE_REPORT_EXTENDED        = 1,
1178 };
1179 
1180 enum NvmeZoneReportType {
1181     NVME_ZONE_REPORT_ALL             = 0,
1182     NVME_ZONE_REPORT_EMPTY           = 1,
1183     NVME_ZONE_REPORT_IMPLICITLY_OPEN = 2,
1184     NVME_ZONE_REPORT_EXPLICITLY_OPEN = 3,
1185     NVME_ZONE_REPORT_CLOSED          = 4,
1186     NVME_ZONE_REPORT_FULL            = 5,
1187     NVME_ZONE_REPORT_READ_ONLY       = 6,
1188     NVME_ZONE_REPORT_OFFLINE         = 7,
1189 };
1190 
1191 enum NvmeZoneType {
1192     NVME_ZONE_TYPE_RESERVED          = 0x00,
1193     NVME_ZONE_TYPE_SEQ_WRITE         = 0x02,
1194 };
1195 
1196 enum NvmeZoneSendAction {
1197     NVME_ZONE_ACTION_RSD             = 0x00,
1198     NVME_ZONE_ACTION_CLOSE           = 0x01,
1199     NVME_ZONE_ACTION_FINISH          = 0x02,
1200     NVME_ZONE_ACTION_OPEN            = 0x03,
1201     NVME_ZONE_ACTION_RESET           = 0x04,
1202     NVME_ZONE_ACTION_OFFLINE         = 0x05,
1203     NVME_ZONE_ACTION_SET_ZD_EXT      = 0x10,
1204 };
1205 
1206 typedef struct QEMU_PACKED NvmeZoneDescr {
1207     uint8_t     zt;
1208     uint8_t     zs;
1209     uint8_t     za;
1210     uint8_t     rsvd3[5];
1211     uint64_t    zcap;
1212     uint64_t    zslba;
1213     uint64_t    wp;
1214     uint8_t     rsvd32[32];
1215 } NvmeZoneDescr;
1216 
1217 typedef enum NvmeZoneState {
1218     NVME_ZONE_STATE_RESERVED         = 0x00,
1219     NVME_ZONE_STATE_EMPTY            = 0x01,
1220     NVME_ZONE_STATE_IMPLICITLY_OPEN  = 0x02,
1221     NVME_ZONE_STATE_EXPLICITLY_OPEN  = 0x03,
1222     NVME_ZONE_STATE_CLOSED           = 0x04,
1223     NVME_ZONE_STATE_READ_ONLY        = 0x0D,
1224     NVME_ZONE_STATE_FULL             = 0x0E,
1225     NVME_ZONE_STATE_OFFLINE          = 0x0F,
1226 } NvmeZoneState;
1227 
1228 static inline void _nvme_check_size(void)
1229 {
1230     QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
1231     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
1232     QEMU_BUILD_BUG_ON(sizeof(NvmeZonedResult) != 8);
1233     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
1234     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
1235     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
1236     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
1237     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
1238     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
1239     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
1240     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
1241     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
1242     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
1243     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
1244     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
1245     QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
1246     QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) != 4096);
1247     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
1248     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlZoned) != 4096);
1249     QEMU_BUILD_BUG_ON(sizeof(NvmeLBAF) != 4);
1250     QEMU_BUILD_BUG_ON(sizeof(NvmeLBAFE) != 16);
1251     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
1252     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsZoned) != 4096);
1253     QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16);
1254     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
1255     QEMU_BUILD_BUG_ON(sizeof(NvmeZoneDescr) != 64);
1256 }
1257 #endif
1258