xref: /openbmc/qemu/include/block/nvme.h (revision c51a3f5d)
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 
64 #define NVME_CAP_SET_MQES(cap, val)   (cap |= (uint64_t)(val & CAP_MQES_MASK)  \
65                                                            << CAP_MQES_SHIFT)
66 #define NVME_CAP_SET_CQR(cap, val)    (cap |= (uint64_t)(val & CAP_CQR_MASK)   \
67                                                            << CAP_CQR_SHIFT)
68 #define NVME_CAP_SET_AMS(cap, val)    (cap |= (uint64_t)(val & CAP_AMS_MASK)   \
69                                                            << CAP_AMS_SHIFT)
70 #define NVME_CAP_SET_TO(cap, val)     (cap |= (uint64_t)(val & CAP_TO_MASK)    \
71                                                            << CAP_TO_SHIFT)
72 #define NVME_CAP_SET_DSTRD(cap, val)  (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \
73                                                            << CAP_DSTRD_SHIFT)
74 #define NVME_CAP_SET_NSSRS(cap, val)  (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \
75                                                            << CAP_NSSRS_SHIFT)
76 #define NVME_CAP_SET_CSS(cap, val)    (cap |= (uint64_t)(val & CAP_CSS_MASK)   \
77                                                            << CAP_CSS_SHIFT)
78 #define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\
79                                                            << CAP_MPSMIN_SHIFT)
80 #define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\
81                                                             << CAP_MPSMAX_SHIFT)
82 #define NVME_CAP_SET_PMRS(cap, val) (cap |= (uint64_t)(val & CAP_PMR_MASK)\
83                                                             << CAP_PMR_SHIFT)
84 
85 enum NvmeCcShift {
86     CC_EN_SHIFT     = 0,
87     CC_CSS_SHIFT    = 4,
88     CC_MPS_SHIFT    = 7,
89     CC_AMS_SHIFT    = 11,
90     CC_SHN_SHIFT    = 14,
91     CC_IOSQES_SHIFT = 16,
92     CC_IOCQES_SHIFT = 20,
93 };
94 
95 enum NvmeCcMask {
96     CC_EN_MASK      = 0x1,
97     CC_CSS_MASK     = 0x7,
98     CC_MPS_MASK     = 0xf,
99     CC_AMS_MASK     = 0x7,
100     CC_SHN_MASK     = 0x3,
101     CC_IOSQES_MASK  = 0xf,
102     CC_IOCQES_MASK  = 0xf,
103 };
104 
105 #define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
106 #define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
107 #define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
108 #define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
109 #define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
110 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
111 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
112 
113 enum NvmeCstsShift {
114     CSTS_RDY_SHIFT      = 0,
115     CSTS_CFS_SHIFT      = 1,
116     CSTS_SHST_SHIFT     = 2,
117     CSTS_NSSRO_SHIFT    = 4,
118 };
119 
120 enum NvmeCstsMask {
121     CSTS_RDY_MASK   = 0x1,
122     CSTS_CFS_MASK   = 0x1,
123     CSTS_SHST_MASK  = 0x3,
124     CSTS_NSSRO_MASK = 0x1,
125 };
126 
127 enum NvmeCsts {
128     NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
129     NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
130     NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
131     NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
132     NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
133     NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
134 };
135 
136 #define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
137 #define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
138 #define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
139 #define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
140 
141 enum NvmeAqaShift {
142     AQA_ASQS_SHIFT  = 0,
143     AQA_ACQS_SHIFT  = 16,
144 };
145 
146 enum NvmeAqaMask {
147     AQA_ASQS_MASK   = 0xfff,
148     AQA_ACQS_MASK   = 0xfff,
149 };
150 
151 #define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
152 #define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
153 
154 enum NvmeCmblocShift {
155     CMBLOC_BIR_SHIFT  = 0,
156     CMBLOC_OFST_SHIFT = 12,
157 };
158 
159 enum NvmeCmblocMask {
160     CMBLOC_BIR_MASK  = 0x7,
161     CMBLOC_OFST_MASK = 0xfffff,
162 };
163 
164 #define NVME_CMBLOC_BIR(cmbloc) ((cmbloc >> CMBLOC_BIR_SHIFT)  & \
165                                  CMBLOC_BIR_MASK)
166 #define NVME_CMBLOC_OFST(cmbloc)((cmbloc >> CMBLOC_OFST_SHIFT) & \
167                                  CMBLOC_OFST_MASK)
168 
169 #define NVME_CMBLOC_SET_BIR(cmbloc, val)  \
170     (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
171 #define NVME_CMBLOC_SET_OFST(cmbloc, val) \
172     (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)
173 
174 enum NvmeCmbszShift {
175     CMBSZ_SQS_SHIFT   = 0,
176     CMBSZ_CQS_SHIFT   = 1,
177     CMBSZ_LISTS_SHIFT = 2,
178     CMBSZ_RDS_SHIFT   = 3,
179     CMBSZ_WDS_SHIFT   = 4,
180     CMBSZ_SZU_SHIFT   = 8,
181     CMBSZ_SZ_SHIFT    = 12,
182 };
183 
184 enum NvmeCmbszMask {
185     CMBSZ_SQS_MASK   = 0x1,
186     CMBSZ_CQS_MASK   = 0x1,
187     CMBSZ_LISTS_MASK = 0x1,
188     CMBSZ_RDS_MASK   = 0x1,
189     CMBSZ_WDS_MASK   = 0x1,
190     CMBSZ_SZU_MASK   = 0xf,
191     CMBSZ_SZ_MASK    = 0xfffff,
192 };
193 
194 #define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
195 #define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
196 #define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
197 #define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
198 #define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
199 #define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
200 #define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)
201 
202 #define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
203     (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
204 #define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
205     (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
206 #define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
207     (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
208 #define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
209     (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
210 #define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
211     (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
212 #define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
213     (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
214 #define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
215     (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)
216 
217 #define NVME_CMBSZ_GETSIZE(cmbsz) \
218     (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))
219 
220 enum NvmePmrcapShift {
221     PMRCAP_RDS_SHIFT      = 3,
222     PMRCAP_WDS_SHIFT      = 4,
223     PMRCAP_BIR_SHIFT      = 5,
224     PMRCAP_PMRTU_SHIFT    = 8,
225     PMRCAP_PMRWBM_SHIFT   = 10,
226     PMRCAP_PMRTO_SHIFT    = 16,
227     PMRCAP_CMSS_SHIFT     = 24,
228 };
229 
230 enum NvmePmrcapMask {
231     PMRCAP_RDS_MASK      = 0x1,
232     PMRCAP_WDS_MASK      = 0x1,
233     PMRCAP_BIR_MASK      = 0x7,
234     PMRCAP_PMRTU_MASK    = 0x3,
235     PMRCAP_PMRWBM_MASK   = 0xf,
236     PMRCAP_PMRTO_MASK    = 0xff,
237     PMRCAP_CMSS_MASK     = 0x1,
238 };
239 
240 #define NVME_PMRCAP_RDS(pmrcap)    \
241     ((pmrcap >> PMRCAP_RDS_SHIFT)   & PMRCAP_RDS_MASK)
242 #define NVME_PMRCAP_WDS(pmrcap)    \
243     ((pmrcap >> PMRCAP_WDS_SHIFT)   & PMRCAP_WDS_MASK)
244 #define NVME_PMRCAP_BIR(pmrcap)    \
245     ((pmrcap >> PMRCAP_BIR_SHIFT)   & PMRCAP_BIR_MASK)
246 #define NVME_PMRCAP_PMRTU(pmrcap)    \
247     ((pmrcap >> PMRCAP_PMRTU_SHIFT)   & PMRCAP_PMRTU_MASK)
248 #define NVME_PMRCAP_PMRWBM(pmrcap)    \
249     ((pmrcap >> PMRCAP_PMRWBM_SHIFT)   & PMRCAP_PMRWBM_MASK)
250 #define NVME_PMRCAP_PMRTO(pmrcap)    \
251     ((pmrcap >> PMRCAP_PMRTO_SHIFT)   & PMRCAP_PMRTO_MASK)
252 #define NVME_PMRCAP_CMSS(pmrcap)    \
253     ((pmrcap >> PMRCAP_CMSS_SHIFT)   & PMRCAP_CMSS_MASK)
254 
255 #define NVME_PMRCAP_SET_RDS(pmrcap, val)   \
256     (pmrcap |= (uint64_t)(val & PMRCAP_RDS_MASK) << PMRCAP_RDS_SHIFT)
257 #define NVME_PMRCAP_SET_WDS(pmrcap, val)   \
258     (pmrcap |= (uint64_t)(val & PMRCAP_WDS_MASK) << PMRCAP_WDS_SHIFT)
259 #define NVME_PMRCAP_SET_BIR(pmrcap, val)   \
260     (pmrcap |= (uint64_t)(val & PMRCAP_BIR_MASK) << PMRCAP_BIR_SHIFT)
261 #define NVME_PMRCAP_SET_PMRTU(pmrcap, val)   \
262     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTU_MASK) << PMRCAP_PMRTU_SHIFT)
263 #define NVME_PMRCAP_SET_PMRWBM(pmrcap, val)   \
264     (pmrcap |= (uint64_t)(val & PMRCAP_PMRWBM_MASK) << PMRCAP_PMRWBM_SHIFT)
265 #define NVME_PMRCAP_SET_PMRTO(pmrcap, val)   \
266     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTO_MASK) << PMRCAP_PMRTO_SHIFT)
267 #define NVME_PMRCAP_SET_CMSS(pmrcap, val)   \
268     (pmrcap |= (uint64_t)(val & PMRCAP_CMSS_MASK) << PMRCAP_CMSS_SHIFT)
269 
270 enum NvmePmrctlShift {
271     PMRCTL_EN_SHIFT   = 0,
272 };
273 
274 enum NvmePmrctlMask {
275     PMRCTL_EN_MASK   = 0x1,
276 };
277 
278 #define NVME_PMRCTL_EN(pmrctl)  ((pmrctl >> PMRCTL_EN_SHIFT)   & PMRCTL_EN_MASK)
279 
280 #define NVME_PMRCTL_SET_EN(pmrctl, val)   \
281     (pmrctl |= (uint64_t)(val & PMRCTL_EN_MASK) << PMRCTL_EN_SHIFT)
282 
283 enum NvmePmrstsShift {
284     PMRSTS_ERR_SHIFT    = 0,
285     PMRSTS_NRDY_SHIFT   = 8,
286     PMRSTS_HSTS_SHIFT   = 9,
287     PMRSTS_CBAI_SHIFT   = 12,
288 };
289 
290 enum NvmePmrstsMask {
291     PMRSTS_ERR_MASK    = 0xff,
292     PMRSTS_NRDY_MASK   = 0x1,
293     PMRSTS_HSTS_MASK   = 0x7,
294     PMRSTS_CBAI_MASK   = 0x1,
295 };
296 
297 #define NVME_PMRSTS_ERR(pmrsts)     \
298     ((pmrsts >> PMRSTS_ERR_SHIFT)   & PMRSTS_ERR_MASK)
299 #define NVME_PMRSTS_NRDY(pmrsts)    \
300     ((pmrsts >> PMRSTS_NRDY_SHIFT)   & PMRSTS_NRDY_MASK)
301 #define NVME_PMRSTS_HSTS(pmrsts)    \
302     ((pmrsts >> PMRSTS_HSTS_SHIFT)   & PMRSTS_HSTS_MASK)
303 #define NVME_PMRSTS_CBAI(pmrsts)    \
304     ((pmrsts >> PMRSTS_CBAI_SHIFT)   & PMRSTS_CBAI_MASK)
305 
306 #define NVME_PMRSTS_SET_ERR(pmrsts, val)   \
307     (pmrsts |= (uint64_t)(val & PMRSTS_ERR_MASK) << PMRSTS_ERR_SHIFT)
308 #define NVME_PMRSTS_SET_NRDY(pmrsts, val)   \
309     (pmrsts |= (uint64_t)(val & PMRSTS_NRDY_MASK) << PMRSTS_NRDY_SHIFT)
310 #define NVME_PMRSTS_SET_HSTS(pmrsts, val)   \
311     (pmrsts |= (uint64_t)(val & PMRSTS_HSTS_MASK) << PMRSTS_HSTS_SHIFT)
312 #define NVME_PMRSTS_SET_CBAI(pmrsts, val)   \
313     (pmrsts |= (uint64_t)(val & PMRSTS_CBAI_MASK) << PMRSTS_CBAI_SHIFT)
314 
315 enum NvmePmrebsShift {
316     PMREBS_PMRSZU_SHIFT   = 0,
317     PMREBS_RBB_SHIFT      = 4,
318     PMREBS_PMRWBZ_SHIFT   = 8,
319 };
320 
321 enum NvmePmrebsMask {
322     PMREBS_PMRSZU_MASK   = 0xf,
323     PMREBS_RBB_MASK      = 0x1,
324     PMREBS_PMRWBZ_MASK   = 0xffffff,
325 };
326 
327 #define NVME_PMREBS_PMRSZU(pmrebs)  \
328     ((pmrebs >> PMREBS_PMRSZU_SHIFT)   & PMREBS_PMRSZU_MASK)
329 #define NVME_PMREBS_RBB(pmrebs)     \
330     ((pmrebs >> PMREBS_RBB_SHIFT)   & PMREBS_RBB_MASK)
331 #define NVME_PMREBS_PMRWBZ(pmrebs)  \
332     ((pmrebs >> PMREBS_PMRWBZ_SHIFT)   & PMREBS_PMRWBZ_MASK)
333 
334 #define NVME_PMREBS_SET_PMRSZU(pmrebs, val)   \
335     (pmrebs |= (uint64_t)(val & PMREBS_PMRSZU_MASK) << PMREBS_PMRSZU_SHIFT)
336 #define NVME_PMREBS_SET_RBB(pmrebs, val)   \
337     (pmrebs |= (uint64_t)(val & PMREBS_RBB_MASK) << PMREBS_RBB_SHIFT)
338 #define NVME_PMREBS_SET_PMRWBZ(pmrebs, val)   \
339     (pmrebs |= (uint64_t)(val & PMREBS_PMRWBZ_MASK) << PMREBS_PMRWBZ_SHIFT)
340 
341 enum NvmePmrswtpShift {
342     PMRSWTP_PMRSWTU_SHIFT   = 0,
343     PMRSWTP_PMRSWTV_SHIFT   = 8,
344 };
345 
346 enum NvmePmrswtpMask {
347     PMRSWTP_PMRSWTU_MASK   = 0xf,
348     PMRSWTP_PMRSWTV_MASK   = 0xffffff,
349 };
350 
351 #define NVME_PMRSWTP_PMRSWTU(pmrswtp)   \
352     ((pmrswtp >> PMRSWTP_PMRSWTU_SHIFT)   & PMRSWTP_PMRSWTU_MASK)
353 #define NVME_PMRSWTP_PMRSWTV(pmrswtp)   \
354     ((pmrswtp >> PMRSWTP_PMRSWTV_SHIFT)   & PMRSWTP_PMRSWTV_MASK)
355 
356 #define NVME_PMRSWTP_SET_PMRSWTU(pmrswtp, val)   \
357     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTU_MASK) << PMRSWTP_PMRSWTU_SHIFT)
358 #define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val)   \
359     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
360 
361 enum NvmePmrmscShift {
362     PMRMSC_CMSE_SHIFT   = 1,
363     PMRMSC_CBA_SHIFT    = 12,
364 };
365 
366 enum NvmePmrmscMask {
367     PMRMSC_CMSE_MASK   = 0x1,
368     PMRMSC_CBA_MASK    = 0xfffffffffffff,
369 };
370 
371 #define NVME_PMRMSC_CMSE(pmrmsc)    \
372     ((pmrmsc >> PMRMSC_CMSE_SHIFT)   & PMRMSC_CMSE_MASK)
373 #define NVME_PMRMSC_CBA(pmrmsc)     \
374     ((pmrmsc >> PMRMSC_CBA_SHIFT)   & PMRMSC_CBA_MASK)
375 
376 #define NVME_PMRMSC_SET_CMSE(pmrmsc, val)   \
377     (pmrmsc |= (uint64_t)(val & PMRMSC_CMSE_MASK) << PMRMSC_CMSE_SHIFT)
378 #define NVME_PMRMSC_SET_CBA(pmrmsc, val)   \
379     (pmrmsc |= (uint64_t)(val & PMRMSC_CBA_MASK) << PMRMSC_CBA_SHIFT)
380 
381 enum NvmeSglDescriptorType {
382     NVME_SGL_DESCR_TYPE_DATA_BLOCK          = 0x0,
383     NVME_SGL_DESCR_TYPE_BIT_BUCKET          = 0x1,
384     NVME_SGL_DESCR_TYPE_SEGMENT             = 0x2,
385     NVME_SGL_DESCR_TYPE_LAST_SEGMENT        = 0x3,
386     NVME_SGL_DESCR_TYPE_KEYED_DATA_BLOCK    = 0x4,
387 
388     NVME_SGL_DESCR_TYPE_VENDOR_SPECIFIC     = 0xf,
389 };
390 
391 enum NvmeSglDescriptorSubtype {
392     NVME_SGL_DESCR_SUBTYPE_ADDRESS = 0x0,
393 };
394 
395 typedef struct QEMU_PACKED NvmeSglDescriptor {
396     uint64_t addr;
397     uint32_t len;
398     uint8_t  rsvd[3];
399     uint8_t  type;
400 } NvmeSglDescriptor;
401 
402 #define NVME_SGL_TYPE(type)     ((type >> 4) & 0xf)
403 #define NVME_SGL_SUBTYPE(type)  (type & 0xf)
404 
405 typedef union NvmeCmdDptr {
406     struct {
407         uint64_t    prp1;
408         uint64_t    prp2;
409     };
410 
411     NvmeSglDescriptor sgl;
412 } NvmeCmdDptr;
413 
414 enum NvmePsdt {
415     PSDT_PRP                 = 0x0,
416     PSDT_SGL_MPTR_CONTIGUOUS = 0x1,
417     PSDT_SGL_MPTR_SGL        = 0x2,
418 };
419 
420 typedef struct QEMU_PACKED NvmeCmd {
421     uint8_t     opcode;
422     uint8_t     flags;
423     uint16_t    cid;
424     uint32_t    nsid;
425     uint64_t    res1;
426     uint64_t    mptr;
427     NvmeCmdDptr dptr;
428     uint32_t    cdw10;
429     uint32_t    cdw11;
430     uint32_t    cdw12;
431     uint32_t    cdw13;
432     uint32_t    cdw14;
433     uint32_t    cdw15;
434 } NvmeCmd;
435 
436 #define NVME_CMD_FLAGS_FUSE(flags) (flags & 0x3)
437 #define NVME_CMD_FLAGS_PSDT(flags) ((flags >> 6) & 0x3)
438 
439 enum NvmeAdminCommands {
440     NVME_ADM_CMD_DELETE_SQ      = 0x00,
441     NVME_ADM_CMD_CREATE_SQ      = 0x01,
442     NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
443     NVME_ADM_CMD_DELETE_CQ      = 0x04,
444     NVME_ADM_CMD_CREATE_CQ      = 0x05,
445     NVME_ADM_CMD_IDENTIFY       = 0x06,
446     NVME_ADM_CMD_ABORT          = 0x08,
447     NVME_ADM_CMD_SET_FEATURES   = 0x09,
448     NVME_ADM_CMD_GET_FEATURES   = 0x0a,
449     NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
450     NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
451     NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
452     NVME_ADM_CMD_FORMAT_NVM     = 0x80,
453     NVME_ADM_CMD_SECURITY_SEND  = 0x81,
454     NVME_ADM_CMD_SECURITY_RECV  = 0x82,
455 };
456 
457 enum NvmeIoCommands {
458     NVME_CMD_FLUSH              = 0x00,
459     NVME_CMD_WRITE              = 0x01,
460     NVME_CMD_READ               = 0x02,
461     NVME_CMD_WRITE_UNCOR        = 0x04,
462     NVME_CMD_COMPARE            = 0x05,
463     NVME_CMD_WRITE_ZEROES       = 0x08,
464     NVME_CMD_DSM                = 0x09,
465 };
466 
467 typedef struct QEMU_PACKED NvmeDeleteQ {
468     uint8_t     opcode;
469     uint8_t     flags;
470     uint16_t    cid;
471     uint32_t    rsvd1[9];
472     uint16_t    qid;
473     uint16_t    rsvd10;
474     uint32_t    rsvd11[5];
475 } NvmeDeleteQ;
476 
477 typedef struct QEMU_PACKED NvmeCreateCq {
478     uint8_t     opcode;
479     uint8_t     flags;
480     uint16_t    cid;
481     uint32_t    rsvd1[5];
482     uint64_t    prp1;
483     uint64_t    rsvd8;
484     uint16_t    cqid;
485     uint16_t    qsize;
486     uint16_t    cq_flags;
487     uint16_t    irq_vector;
488     uint32_t    rsvd12[4];
489 } NvmeCreateCq;
490 
491 #define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
492 #define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
493 
494 typedef struct QEMU_PACKED NvmeCreateSq {
495     uint8_t     opcode;
496     uint8_t     flags;
497     uint16_t    cid;
498     uint32_t    rsvd1[5];
499     uint64_t    prp1;
500     uint64_t    rsvd8;
501     uint16_t    sqid;
502     uint16_t    qsize;
503     uint16_t    sq_flags;
504     uint16_t    cqid;
505     uint32_t    rsvd12[4];
506 } NvmeCreateSq;
507 
508 #define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
509 #define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)
510 
511 enum NvmeQueueFlags {
512     NVME_Q_PC           = 1,
513     NVME_Q_PRIO_URGENT  = 0,
514     NVME_Q_PRIO_HIGH    = 1,
515     NVME_Q_PRIO_NORMAL  = 2,
516     NVME_Q_PRIO_LOW     = 3,
517 };
518 
519 typedef struct QEMU_PACKED NvmeIdentify {
520     uint8_t     opcode;
521     uint8_t     flags;
522     uint16_t    cid;
523     uint32_t    nsid;
524     uint64_t    rsvd2[2];
525     uint64_t    prp1;
526     uint64_t    prp2;
527     uint32_t    cns;
528     uint32_t    rsvd11[5];
529 } NvmeIdentify;
530 
531 typedef struct QEMU_PACKED NvmeRwCmd {
532     uint8_t     opcode;
533     uint8_t     flags;
534     uint16_t    cid;
535     uint32_t    nsid;
536     uint64_t    rsvd2;
537     uint64_t    mptr;
538     NvmeCmdDptr dptr;
539     uint64_t    slba;
540     uint16_t    nlb;
541     uint16_t    control;
542     uint32_t    dsmgmt;
543     uint32_t    reftag;
544     uint16_t    apptag;
545     uint16_t    appmask;
546 } NvmeRwCmd;
547 
548 enum {
549     NVME_RW_LR                  = 1 << 15,
550     NVME_RW_FUA                 = 1 << 14,
551     NVME_RW_DSM_FREQ_UNSPEC     = 0,
552     NVME_RW_DSM_FREQ_TYPICAL    = 1,
553     NVME_RW_DSM_FREQ_RARE       = 2,
554     NVME_RW_DSM_FREQ_READS      = 3,
555     NVME_RW_DSM_FREQ_WRITES     = 4,
556     NVME_RW_DSM_FREQ_RW         = 5,
557     NVME_RW_DSM_FREQ_ONCE       = 6,
558     NVME_RW_DSM_FREQ_PREFETCH   = 7,
559     NVME_RW_DSM_FREQ_TEMP       = 8,
560     NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
561     NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
562     NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
563     NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
564     NVME_RW_DSM_SEQ_REQ         = 1 << 6,
565     NVME_RW_DSM_COMPRESSED      = 1 << 7,
566     NVME_RW_PRINFO_PRACT        = 1 << 13,
567     NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
568     NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
569     NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
570 };
571 
572 typedef struct QEMU_PACKED NvmeDsmCmd {
573     uint8_t     opcode;
574     uint8_t     flags;
575     uint16_t    cid;
576     uint32_t    nsid;
577     uint64_t    rsvd2[2];
578     NvmeCmdDptr dptr;
579     uint32_t    nr;
580     uint32_t    attributes;
581     uint32_t    rsvd12[4];
582 } NvmeDsmCmd;
583 
584 enum {
585     NVME_DSMGMT_IDR = 1 << 0,
586     NVME_DSMGMT_IDW = 1 << 1,
587     NVME_DSMGMT_AD  = 1 << 2,
588 };
589 
590 typedef struct QEMU_PACKED NvmeDsmRange {
591     uint32_t    cattr;
592     uint32_t    nlb;
593     uint64_t    slba;
594 } NvmeDsmRange;
595 
596 enum NvmeAsyncEventRequest {
597     NVME_AER_TYPE_ERROR                     = 0,
598     NVME_AER_TYPE_SMART                     = 1,
599     NVME_AER_TYPE_IO_SPECIFIC               = 6,
600     NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
601     NVME_AER_INFO_ERR_INVALID_DB_REGISTER   = 0,
602     NVME_AER_INFO_ERR_INVALID_DB_VALUE      = 1,
603     NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
604     NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
605     NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
606     NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
607     NVME_AER_INFO_SMART_RELIABILITY         = 0,
608     NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
609     NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
610 };
611 
612 typedef struct QEMU_PACKED NvmeAerResult {
613     uint8_t event_type;
614     uint8_t event_info;
615     uint8_t log_page;
616     uint8_t resv;
617 } NvmeAerResult;
618 
619 typedef struct QEMU_PACKED NvmeCqe {
620     uint32_t    result;
621     uint32_t    rsvd;
622     uint16_t    sq_head;
623     uint16_t    sq_id;
624     uint16_t    cid;
625     uint16_t    status;
626 } NvmeCqe;
627 
628 enum NvmeStatusCodes {
629     NVME_SUCCESS                = 0x0000,
630     NVME_INVALID_OPCODE         = 0x0001,
631     NVME_INVALID_FIELD          = 0x0002,
632     NVME_CID_CONFLICT           = 0x0003,
633     NVME_DATA_TRAS_ERROR        = 0x0004,
634     NVME_POWER_LOSS_ABORT       = 0x0005,
635     NVME_INTERNAL_DEV_ERROR     = 0x0006,
636     NVME_CMD_ABORT_REQ          = 0x0007,
637     NVME_CMD_ABORT_SQ_DEL       = 0x0008,
638     NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
639     NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
640     NVME_INVALID_NSID           = 0x000b,
641     NVME_CMD_SEQ_ERROR          = 0x000c,
642     NVME_INVALID_SGL_SEG_DESCR  = 0x000d,
643     NVME_INVALID_NUM_SGL_DESCRS = 0x000e,
644     NVME_DATA_SGL_LEN_INVALID   = 0x000f,
645     NVME_MD_SGL_LEN_INVALID     = 0x0010,
646     NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
647     NVME_INVALID_USE_OF_CMB     = 0x0012,
648     NVME_LBA_RANGE              = 0x0080,
649     NVME_CAP_EXCEEDED           = 0x0081,
650     NVME_NS_NOT_READY           = 0x0082,
651     NVME_NS_RESV_CONFLICT       = 0x0083,
652     NVME_INVALID_CQID           = 0x0100,
653     NVME_INVALID_QID            = 0x0101,
654     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
655     NVME_ACL_EXCEEDED           = 0x0103,
656     NVME_RESERVED               = 0x0104,
657     NVME_AER_LIMIT_EXCEEDED     = 0x0105,
658     NVME_INVALID_FW_SLOT        = 0x0106,
659     NVME_INVALID_FW_IMAGE       = 0x0107,
660     NVME_INVALID_IRQ_VECTOR     = 0x0108,
661     NVME_INVALID_LOG_ID         = 0x0109,
662     NVME_INVALID_FORMAT         = 0x010a,
663     NVME_FW_REQ_RESET           = 0x010b,
664     NVME_INVALID_QUEUE_DEL      = 0x010c,
665     NVME_FID_NOT_SAVEABLE       = 0x010d,
666     NVME_FEAT_NOT_CHANGEABLE    = 0x010e,
667     NVME_FEAT_NOT_NS_SPEC       = 0x010f,
668     NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
669     NVME_CONFLICTING_ATTRS      = 0x0180,
670     NVME_INVALID_PROT_INFO      = 0x0181,
671     NVME_WRITE_TO_RO            = 0x0182,
672     NVME_WRITE_FAULT            = 0x0280,
673     NVME_UNRECOVERED_READ       = 0x0281,
674     NVME_E2E_GUARD_ERROR        = 0x0282,
675     NVME_E2E_APP_ERROR          = 0x0283,
676     NVME_E2E_REF_ERROR          = 0x0284,
677     NVME_CMP_FAILURE            = 0x0285,
678     NVME_ACCESS_DENIED          = 0x0286,
679     NVME_MORE                   = 0x2000,
680     NVME_DNR                    = 0x4000,
681     NVME_NO_COMPLETE            = 0xffff,
682 };
683 
684 typedef struct QEMU_PACKED NvmeFwSlotInfoLog {
685     uint8_t     afi;
686     uint8_t     reserved1[7];
687     uint8_t     frs1[8];
688     uint8_t     frs2[8];
689     uint8_t     frs3[8];
690     uint8_t     frs4[8];
691     uint8_t     frs5[8];
692     uint8_t     frs6[8];
693     uint8_t     frs7[8];
694     uint8_t     reserved2[448];
695 } NvmeFwSlotInfoLog;
696 
697 typedef struct QEMU_PACKED NvmeErrorLog {
698     uint64_t    error_count;
699     uint16_t    sqid;
700     uint16_t    cid;
701     uint16_t    status_field;
702     uint16_t    param_error_location;
703     uint64_t    lba;
704     uint32_t    nsid;
705     uint8_t     vs;
706     uint8_t     resv[35];
707 } NvmeErrorLog;
708 
709 typedef struct QEMU_PACKED NvmeSmartLog {
710     uint8_t     critical_warning;
711     uint16_t    temperature;
712     uint8_t     available_spare;
713     uint8_t     available_spare_threshold;
714     uint8_t     percentage_used;
715     uint8_t     reserved1[26];
716     uint64_t    data_units_read[2];
717     uint64_t    data_units_written[2];
718     uint64_t    host_read_commands[2];
719     uint64_t    host_write_commands[2];
720     uint64_t    controller_busy_time[2];
721     uint64_t    power_cycles[2];
722     uint64_t    power_on_hours[2];
723     uint64_t    unsafe_shutdowns[2];
724     uint64_t    media_errors[2];
725     uint64_t    number_of_error_log_entries[2];
726     uint8_t     reserved2[320];
727 } NvmeSmartLog;
728 
729 enum NvmeSmartWarn {
730     NVME_SMART_SPARE                  = 1 << 0,
731     NVME_SMART_TEMPERATURE            = 1 << 1,
732     NVME_SMART_RELIABILITY            = 1 << 2,
733     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
734     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
735 };
736 
737 enum NvmeLogIdentifier {
738     NVME_LOG_ERROR_INFO     = 0x01,
739     NVME_LOG_SMART_INFO     = 0x02,
740     NVME_LOG_FW_SLOT_INFO   = 0x03,
741 };
742 
743 typedef struct QEMU_PACKED NvmePSD {
744     uint16_t    mp;
745     uint16_t    reserved;
746     uint32_t    enlat;
747     uint32_t    exlat;
748     uint8_t     rrt;
749     uint8_t     rrl;
750     uint8_t     rwt;
751     uint8_t     rwl;
752     uint8_t     resv[16];
753 } NvmePSD;
754 
755 #define NVME_IDENTIFY_DATA_SIZE 4096
756 
757 enum {
758     NVME_ID_CNS_NS             = 0x0,
759     NVME_ID_CNS_CTRL           = 0x1,
760     NVME_ID_CNS_NS_ACTIVE_LIST = 0x2,
761     NVME_ID_CNS_NS_DESCR_LIST  = 0x3,
762 };
763 
764 typedef struct QEMU_PACKED NvmeIdCtrl {
765     uint16_t    vid;
766     uint16_t    ssvid;
767     uint8_t     sn[20];
768     uint8_t     mn[40];
769     uint8_t     fr[8];
770     uint8_t     rab;
771     uint8_t     ieee[3];
772     uint8_t     cmic;
773     uint8_t     mdts;
774     uint16_t    cntlid;
775     uint32_t    ver;
776     uint32_t    rtd3r;
777     uint32_t    rtd3e;
778     uint32_t    oaes;
779     uint32_t    ctratt;
780     uint8_t     rsvd100[12];
781     uint8_t     fguid[16];
782     uint8_t     rsvd128[128];
783     uint16_t    oacs;
784     uint8_t     acl;
785     uint8_t     aerl;
786     uint8_t     frmw;
787     uint8_t     lpa;
788     uint8_t     elpe;
789     uint8_t     npss;
790     uint8_t     avscc;
791     uint8_t     apsta;
792     uint16_t    wctemp;
793     uint16_t    cctemp;
794     uint16_t    mtfa;
795     uint32_t    hmpre;
796     uint32_t    hmmin;
797     uint8_t     tnvmcap[16];
798     uint8_t     unvmcap[16];
799     uint32_t    rpmbs;
800     uint16_t    edstt;
801     uint8_t     dsto;
802     uint8_t     fwug;
803     uint16_t    kas;
804     uint16_t    hctma;
805     uint16_t    mntmt;
806     uint16_t    mxtmt;
807     uint32_t    sanicap;
808     uint8_t     rsvd332[180];
809     uint8_t     sqes;
810     uint8_t     cqes;
811     uint16_t    maxcmd;
812     uint32_t    nn;
813     uint16_t    oncs;
814     uint16_t    fuses;
815     uint8_t     fna;
816     uint8_t     vwc;
817     uint16_t    awun;
818     uint16_t    awupf;
819     uint8_t     nvscc;
820     uint8_t     rsvd531;
821     uint16_t    acwu;
822     uint8_t     rsvd534[2];
823     uint32_t    sgls;
824     uint8_t     rsvd540[228];
825     uint8_t     subnqn[256];
826     uint8_t     rsvd1024[1024];
827     NvmePSD     psd[32];
828     uint8_t     vs[1024];
829 } NvmeIdCtrl;
830 
831 enum NvmeIdCtrlOacs {
832     NVME_OACS_SECURITY  = 1 << 0,
833     NVME_OACS_FORMAT    = 1 << 1,
834     NVME_OACS_FW        = 1 << 2,
835 };
836 
837 enum NvmeIdCtrlOncs {
838     NVME_ONCS_COMPARE       = 1 << 0,
839     NVME_ONCS_WRITE_UNCORR  = 1 << 1,
840     NVME_ONCS_DSM           = 1 << 2,
841     NVME_ONCS_WRITE_ZEROES  = 1 << 3,
842     NVME_ONCS_FEATURES      = 1 << 4,
843     NVME_ONCS_RESRVATIONS   = 1 << 5,
844     NVME_ONCS_TIMESTAMP     = 1 << 6,
845 };
846 
847 enum NvmeIdCtrlFrmw {
848     NVME_FRMW_SLOT1_RO = 1 << 0,
849 };
850 
851 enum NvmeIdCtrlLpa {
852     NVME_LPA_EXTENDED = 1 << 2,
853 };
854 
855 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
856 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
857 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
858 #define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
859 
860 #define NVME_CTRL_SGLS_SUPPORT_MASK        (0x3 <<  0)
861 #define NVME_CTRL_SGLS_SUPPORT_NO_ALIGN    (0x1 <<  0)
862 #define NVME_CTRL_SGLS_SUPPORT_DWORD_ALIGN (0x1 <<  1)
863 #define NVME_CTRL_SGLS_KEYED               (0x1 <<  2)
864 #define NVME_CTRL_SGLS_BITBUCKET           (0x1 << 16)
865 #define NVME_CTRL_SGLS_MPTR_CONTIGUOUS     (0x1 << 17)
866 #define NVME_CTRL_SGLS_EXCESS_LENGTH       (0x1 << 18)
867 #define NVME_CTRL_SGLS_MPTR_SGL            (0x1 << 19)
868 #define NVME_CTRL_SGLS_ADDR_OFFSET         (0x1 << 20)
869 
870 #define NVME_ARB_AB(arb)    (arb & 0x7)
871 #define NVME_ARB_AB_NOLIMIT 0x7
872 #define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
873 #define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
874 #define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)
875 
876 #define NVME_INTC_THR(intc)     (intc & 0xff)
877 #define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)
878 
879 #define NVME_INTVC_NOCOALESCING (0x1 << 16)
880 
881 #define NVME_TEMP_THSEL(temp)  ((temp >> 20) & 0x3)
882 #define NVME_TEMP_THSEL_OVER   0x0
883 #define NVME_TEMP_THSEL_UNDER  0x1
884 
885 #define NVME_TEMP_TMPSEL(temp)     ((temp >> 16) & 0xf)
886 #define NVME_TEMP_TMPSEL_COMPOSITE 0x0
887 
888 #define NVME_TEMP_TMPTH(temp) (temp & 0xffff)
889 
890 #define NVME_AEC_SMART(aec)         (aec & 0xff)
891 #define NVME_AEC_NS_ATTR(aec)       ((aec >> 8) & 0x1)
892 #define NVME_AEC_FW_ACTIVATION(aec) ((aec >> 9) & 0x1)
893 
894 enum NvmeFeatureIds {
895     NVME_ARBITRATION                = 0x1,
896     NVME_POWER_MANAGEMENT           = 0x2,
897     NVME_LBA_RANGE_TYPE             = 0x3,
898     NVME_TEMPERATURE_THRESHOLD      = 0x4,
899     NVME_ERROR_RECOVERY             = 0x5,
900     NVME_VOLATILE_WRITE_CACHE       = 0x6,
901     NVME_NUMBER_OF_QUEUES           = 0x7,
902     NVME_INTERRUPT_COALESCING       = 0x8,
903     NVME_INTERRUPT_VECTOR_CONF      = 0x9,
904     NVME_WRITE_ATOMICITY            = 0xa,
905     NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
906     NVME_TIMESTAMP                  = 0xe,
907     NVME_SOFTWARE_PROGRESS_MARKER   = 0x80,
908     NVME_FID_MAX                    = 0x100,
909 };
910 
911 typedef enum NvmeFeatureCap {
912     NVME_FEAT_CAP_SAVE      = 1 << 0,
913     NVME_FEAT_CAP_NS        = 1 << 1,
914     NVME_FEAT_CAP_CHANGE    = 1 << 2,
915 } NvmeFeatureCap;
916 
917 typedef enum NvmeGetFeatureSelect {
918     NVME_GETFEAT_SELECT_CURRENT = 0x0,
919     NVME_GETFEAT_SELECT_DEFAULT = 0x1,
920     NVME_GETFEAT_SELECT_SAVED   = 0x2,
921     NVME_GETFEAT_SELECT_CAP     = 0x3,
922 } NvmeGetFeatureSelect;
923 
924 #define NVME_GETSETFEAT_FID_MASK 0xff
925 #define NVME_GETSETFEAT_FID(dw10) (dw10 & NVME_GETSETFEAT_FID_MASK)
926 
927 #define NVME_GETFEAT_SELECT_SHIFT 8
928 #define NVME_GETFEAT_SELECT_MASK  0x7
929 #define NVME_GETFEAT_SELECT(dw10) \
930     ((dw10 >> NVME_GETFEAT_SELECT_SHIFT) & NVME_GETFEAT_SELECT_MASK)
931 
932 #define NVME_SETFEAT_SAVE_SHIFT 31
933 #define NVME_SETFEAT_SAVE_MASK  0x1
934 #define NVME_SETFEAT_SAVE(dw10) \
935     ((dw10 >> NVME_SETFEAT_SAVE_SHIFT) & NVME_SETFEAT_SAVE_MASK)
936 
937 typedef struct QEMU_PACKED NvmeRangeType {
938     uint8_t     type;
939     uint8_t     attributes;
940     uint8_t     rsvd2[14];
941     uint64_t    slba;
942     uint64_t    nlb;
943     uint8_t     guid[16];
944     uint8_t     rsvd48[16];
945 } NvmeRangeType;
946 
947 typedef struct QEMU_PACKED NvmeLBAF {
948     uint16_t    ms;
949     uint8_t     ds;
950     uint8_t     rp;
951 } NvmeLBAF;
952 
953 #define NVME_NSID_BROADCAST 0xffffffff
954 
955 typedef struct QEMU_PACKED NvmeIdNs {
956     uint64_t    nsze;
957     uint64_t    ncap;
958     uint64_t    nuse;
959     uint8_t     nsfeat;
960     uint8_t     nlbaf;
961     uint8_t     flbas;
962     uint8_t     mc;
963     uint8_t     dpc;
964     uint8_t     dps;
965     uint8_t     nmic;
966     uint8_t     rescap;
967     uint8_t     fpi;
968     uint8_t     dlfeat;
969     uint16_t    nawun;
970     uint16_t    nawupf;
971     uint16_t    nacwu;
972     uint16_t    nabsn;
973     uint16_t    nabo;
974     uint16_t    nabspf;
975     uint16_t    noiob;
976     uint8_t     nvmcap[16];
977     uint8_t     rsvd64[40];
978     uint8_t     nguid[16];
979     uint64_t    eui64;
980     NvmeLBAF    lbaf[16];
981     uint8_t     rsvd192[192];
982     uint8_t     vs[3712];
983 } NvmeIdNs;
984 
985 typedef struct QEMU_PACKED NvmeIdNsDescr {
986     uint8_t nidt;
987     uint8_t nidl;
988     uint8_t rsvd2[2];
989 } NvmeIdNsDescr;
990 
991 enum {
992     NVME_NIDT_EUI64_LEN =  8,
993     NVME_NIDT_NGUID_LEN = 16,
994     NVME_NIDT_UUID_LEN  = 16,
995 };
996 
997 enum NvmeNsIdentifierType {
998     NVME_NIDT_EUI64 = 0x1,
999     NVME_NIDT_NGUID = 0x2,
1000     NVME_NIDT_UUID  = 0x3,
1001 };
1002 
1003 /*Deallocate Logical Block Features*/
1004 #define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat)       ((dlfeat) & 0x10)
1005 #define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat)    ((dlfeat) & 0x08)
1006 
1007 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR(dlfeat)     ((dlfeat) & 0x7)
1008 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_UNDEFINED   0
1009 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ZEROES      1
1010 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ONES        2
1011 
1012 
1013 #define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
1014 #define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
1015 #define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
1016 #define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
1017 #define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
1018 #define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
1019 #define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
1020 #define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
1021 #define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
1022 #define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
1023 #define NVME_ID_NS_DPC_TYPE_MASK            0x7
1024 
1025 enum NvmeIdNsDps {
1026     DPS_TYPE_NONE   = 0,
1027     DPS_TYPE_1      = 1,
1028     DPS_TYPE_2      = 2,
1029     DPS_TYPE_3      = 3,
1030     DPS_TYPE_MASK   = 0x7,
1031     DPS_FIRST_EIGHT = 8,
1032 };
1033 
1034 static inline void _nvme_check_size(void)
1035 {
1036     QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
1037     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
1038     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
1039     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
1040     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
1041     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
1042     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
1043     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
1044     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
1045     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
1046     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
1047     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
1048     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
1049     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
1050     QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
1051     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
1052     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
1053     QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16);
1054     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
1055 }
1056 #endif
1057