xref: /openbmc/qemu/include/block/nvme.h (revision 492f9a8d)
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 NvmeCapCss {
86     NVME_CAP_CSS_NVM = 1 << 0,
87 };
88 
89 enum NvmeCcShift {
90     CC_EN_SHIFT     = 0,
91     CC_CSS_SHIFT    = 4,
92     CC_MPS_SHIFT    = 7,
93     CC_AMS_SHIFT    = 11,
94     CC_SHN_SHIFT    = 14,
95     CC_IOSQES_SHIFT = 16,
96     CC_IOCQES_SHIFT = 20,
97 };
98 
99 enum NvmeCcMask {
100     CC_EN_MASK      = 0x1,
101     CC_CSS_MASK     = 0x7,
102     CC_MPS_MASK     = 0xf,
103     CC_AMS_MASK     = 0x7,
104     CC_SHN_MASK     = 0x3,
105     CC_IOSQES_MASK  = 0xf,
106     CC_IOCQES_MASK  = 0xf,
107 };
108 
109 #define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
110 #define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
111 #define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
112 #define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
113 #define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
114 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
115 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
116 
117 enum NvmeCstsShift {
118     CSTS_RDY_SHIFT      = 0,
119     CSTS_CFS_SHIFT      = 1,
120     CSTS_SHST_SHIFT     = 2,
121     CSTS_NSSRO_SHIFT    = 4,
122 };
123 
124 enum NvmeCstsMask {
125     CSTS_RDY_MASK   = 0x1,
126     CSTS_CFS_MASK   = 0x1,
127     CSTS_SHST_MASK  = 0x3,
128     CSTS_NSSRO_MASK = 0x1,
129 };
130 
131 enum NvmeCsts {
132     NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
133     NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
134     NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
135     NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
136     NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
137     NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
138 };
139 
140 #define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
141 #define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
142 #define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
143 #define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
144 
145 enum NvmeAqaShift {
146     AQA_ASQS_SHIFT  = 0,
147     AQA_ACQS_SHIFT  = 16,
148 };
149 
150 enum NvmeAqaMask {
151     AQA_ASQS_MASK   = 0xfff,
152     AQA_ACQS_MASK   = 0xfff,
153 };
154 
155 #define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
156 #define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
157 
158 enum NvmeCmblocShift {
159     CMBLOC_BIR_SHIFT  = 0,
160     CMBLOC_OFST_SHIFT = 12,
161 };
162 
163 enum NvmeCmblocMask {
164     CMBLOC_BIR_MASK  = 0x7,
165     CMBLOC_OFST_MASK = 0xfffff,
166 };
167 
168 #define NVME_CMBLOC_BIR(cmbloc) ((cmbloc >> CMBLOC_BIR_SHIFT)  & \
169                                  CMBLOC_BIR_MASK)
170 #define NVME_CMBLOC_OFST(cmbloc)((cmbloc >> CMBLOC_OFST_SHIFT) & \
171                                  CMBLOC_OFST_MASK)
172 
173 #define NVME_CMBLOC_SET_BIR(cmbloc, val)  \
174     (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
175 #define NVME_CMBLOC_SET_OFST(cmbloc, val) \
176     (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)
177 
178 enum NvmeCmbszShift {
179     CMBSZ_SQS_SHIFT   = 0,
180     CMBSZ_CQS_SHIFT   = 1,
181     CMBSZ_LISTS_SHIFT = 2,
182     CMBSZ_RDS_SHIFT   = 3,
183     CMBSZ_WDS_SHIFT   = 4,
184     CMBSZ_SZU_SHIFT   = 8,
185     CMBSZ_SZ_SHIFT    = 12,
186 };
187 
188 enum NvmeCmbszMask {
189     CMBSZ_SQS_MASK   = 0x1,
190     CMBSZ_CQS_MASK   = 0x1,
191     CMBSZ_LISTS_MASK = 0x1,
192     CMBSZ_RDS_MASK   = 0x1,
193     CMBSZ_WDS_MASK   = 0x1,
194     CMBSZ_SZU_MASK   = 0xf,
195     CMBSZ_SZ_MASK    = 0xfffff,
196 };
197 
198 #define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
199 #define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
200 #define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
201 #define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
202 #define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
203 #define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
204 #define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)
205 
206 #define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
207     (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
208 #define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
209     (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
210 #define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
211     (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
212 #define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
213     (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
214 #define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
215     (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
216 #define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
217     (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
218 #define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
219     (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)
220 
221 #define NVME_CMBSZ_GETSIZE(cmbsz) \
222     (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))
223 
224 enum NvmePmrcapShift {
225     PMRCAP_RDS_SHIFT      = 3,
226     PMRCAP_WDS_SHIFT      = 4,
227     PMRCAP_BIR_SHIFT      = 5,
228     PMRCAP_PMRTU_SHIFT    = 8,
229     PMRCAP_PMRWBM_SHIFT   = 10,
230     PMRCAP_PMRTO_SHIFT    = 16,
231     PMRCAP_CMSS_SHIFT     = 24,
232 };
233 
234 enum NvmePmrcapMask {
235     PMRCAP_RDS_MASK      = 0x1,
236     PMRCAP_WDS_MASK      = 0x1,
237     PMRCAP_BIR_MASK      = 0x7,
238     PMRCAP_PMRTU_MASK    = 0x3,
239     PMRCAP_PMRWBM_MASK   = 0xf,
240     PMRCAP_PMRTO_MASK    = 0xff,
241     PMRCAP_CMSS_MASK     = 0x1,
242 };
243 
244 #define NVME_PMRCAP_RDS(pmrcap)    \
245     ((pmrcap >> PMRCAP_RDS_SHIFT)   & PMRCAP_RDS_MASK)
246 #define NVME_PMRCAP_WDS(pmrcap)    \
247     ((pmrcap >> PMRCAP_WDS_SHIFT)   & PMRCAP_WDS_MASK)
248 #define NVME_PMRCAP_BIR(pmrcap)    \
249     ((pmrcap >> PMRCAP_BIR_SHIFT)   & PMRCAP_BIR_MASK)
250 #define NVME_PMRCAP_PMRTU(pmrcap)    \
251     ((pmrcap >> PMRCAP_PMRTU_SHIFT)   & PMRCAP_PMRTU_MASK)
252 #define NVME_PMRCAP_PMRWBM(pmrcap)    \
253     ((pmrcap >> PMRCAP_PMRWBM_SHIFT)   & PMRCAP_PMRWBM_MASK)
254 #define NVME_PMRCAP_PMRTO(pmrcap)    \
255     ((pmrcap >> PMRCAP_PMRTO_SHIFT)   & PMRCAP_PMRTO_MASK)
256 #define NVME_PMRCAP_CMSS(pmrcap)    \
257     ((pmrcap >> PMRCAP_CMSS_SHIFT)   & PMRCAP_CMSS_MASK)
258 
259 #define NVME_PMRCAP_SET_RDS(pmrcap, val)   \
260     (pmrcap |= (uint64_t)(val & PMRCAP_RDS_MASK) << PMRCAP_RDS_SHIFT)
261 #define NVME_PMRCAP_SET_WDS(pmrcap, val)   \
262     (pmrcap |= (uint64_t)(val & PMRCAP_WDS_MASK) << PMRCAP_WDS_SHIFT)
263 #define NVME_PMRCAP_SET_BIR(pmrcap, val)   \
264     (pmrcap |= (uint64_t)(val & PMRCAP_BIR_MASK) << PMRCAP_BIR_SHIFT)
265 #define NVME_PMRCAP_SET_PMRTU(pmrcap, val)   \
266     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTU_MASK) << PMRCAP_PMRTU_SHIFT)
267 #define NVME_PMRCAP_SET_PMRWBM(pmrcap, val)   \
268     (pmrcap |= (uint64_t)(val & PMRCAP_PMRWBM_MASK) << PMRCAP_PMRWBM_SHIFT)
269 #define NVME_PMRCAP_SET_PMRTO(pmrcap, val)   \
270     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTO_MASK) << PMRCAP_PMRTO_SHIFT)
271 #define NVME_PMRCAP_SET_CMSS(pmrcap, val)   \
272     (pmrcap |= (uint64_t)(val & PMRCAP_CMSS_MASK) << PMRCAP_CMSS_SHIFT)
273 
274 enum NvmePmrctlShift {
275     PMRCTL_EN_SHIFT   = 0,
276 };
277 
278 enum NvmePmrctlMask {
279     PMRCTL_EN_MASK   = 0x1,
280 };
281 
282 #define NVME_PMRCTL_EN(pmrctl)  ((pmrctl >> PMRCTL_EN_SHIFT)   & PMRCTL_EN_MASK)
283 
284 #define NVME_PMRCTL_SET_EN(pmrctl, val)   \
285     (pmrctl |= (uint64_t)(val & PMRCTL_EN_MASK) << PMRCTL_EN_SHIFT)
286 
287 enum NvmePmrstsShift {
288     PMRSTS_ERR_SHIFT    = 0,
289     PMRSTS_NRDY_SHIFT   = 8,
290     PMRSTS_HSTS_SHIFT   = 9,
291     PMRSTS_CBAI_SHIFT   = 12,
292 };
293 
294 enum NvmePmrstsMask {
295     PMRSTS_ERR_MASK    = 0xff,
296     PMRSTS_NRDY_MASK   = 0x1,
297     PMRSTS_HSTS_MASK   = 0x7,
298     PMRSTS_CBAI_MASK   = 0x1,
299 };
300 
301 #define NVME_PMRSTS_ERR(pmrsts)     \
302     ((pmrsts >> PMRSTS_ERR_SHIFT)   & PMRSTS_ERR_MASK)
303 #define NVME_PMRSTS_NRDY(pmrsts)    \
304     ((pmrsts >> PMRSTS_NRDY_SHIFT)   & PMRSTS_NRDY_MASK)
305 #define NVME_PMRSTS_HSTS(pmrsts)    \
306     ((pmrsts >> PMRSTS_HSTS_SHIFT)   & PMRSTS_HSTS_MASK)
307 #define NVME_PMRSTS_CBAI(pmrsts)    \
308     ((pmrsts >> PMRSTS_CBAI_SHIFT)   & PMRSTS_CBAI_MASK)
309 
310 #define NVME_PMRSTS_SET_ERR(pmrsts, val)   \
311     (pmrsts |= (uint64_t)(val & PMRSTS_ERR_MASK) << PMRSTS_ERR_SHIFT)
312 #define NVME_PMRSTS_SET_NRDY(pmrsts, val)   \
313     (pmrsts |= (uint64_t)(val & PMRSTS_NRDY_MASK) << PMRSTS_NRDY_SHIFT)
314 #define NVME_PMRSTS_SET_HSTS(pmrsts, val)   \
315     (pmrsts |= (uint64_t)(val & PMRSTS_HSTS_MASK) << PMRSTS_HSTS_SHIFT)
316 #define NVME_PMRSTS_SET_CBAI(pmrsts, val)   \
317     (pmrsts |= (uint64_t)(val & PMRSTS_CBAI_MASK) << PMRSTS_CBAI_SHIFT)
318 
319 enum NvmePmrebsShift {
320     PMREBS_PMRSZU_SHIFT   = 0,
321     PMREBS_RBB_SHIFT      = 4,
322     PMREBS_PMRWBZ_SHIFT   = 8,
323 };
324 
325 enum NvmePmrebsMask {
326     PMREBS_PMRSZU_MASK   = 0xf,
327     PMREBS_RBB_MASK      = 0x1,
328     PMREBS_PMRWBZ_MASK   = 0xffffff,
329 };
330 
331 #define NVME_PMREBS_PMRSZU(pmrebs)  \
332     ((pmrebs >> PMREBS_PMRSZU_SHIFT)   & PMREBS_PMRSZU_MASK)
333 #define NVME_PMREBS_RBB(pmrebs)     \
334     ((pmrebs >> PMREBS_RBB_SHIFT)   & PMREBS_RBB_MASK)
335 #define NVME_PMREBS_PMRWBZ(pmrebs)  \
336     ((pmrebs >> PMREBS_PMRWBZ_SHIFT)   & PMREBS_PMRWBZ_MASK)
337 
338 #define NVME_PMREBS_SET_PMRSZU(pmrebs, val)   \
339     (pmrebs |= (uint64_t)(val & PMREBS_PMRSZU_MASK) << PMREBS_PMRSZU_SHIFT)
340 #define NVME_PMREBS_SET_RBB(pmrebs, val)   \
341     (pmrebs |= (uint64_t)(val & PMREBS_RBB_MASK) << PMREBS_RBB_SHIFT)
342 #define NVME_PMREBS_SET_PMRWBZ(pmrebs, val)   \
343     (pmrebs |= (uint64_t)(val & PMREBS_PMRWBZ_MASK) << PMREBS_PMRWBZ_SHIFT)
344 
345 enum NvmePmrswtpShift {
346     PMRSWTP_PMRSWTU_SHIFT   = 0,
347     PMRSWTP_PMRSWTV_SHIFT   = 8,
348 };
349 
350 enum NvmePmrswtpMask {
351     PMRSWTP_PMRSWTU_MASK   = 0xf,
352     PMRSWTP_PMRSWTV_MASK   = 0xffffff,
353 };
354 
355 #define NVME_PMRSWTP_PMRSWTU(pmrswtp)   \
356     ((pmrswtp >> PMRSWTP_PMRSWTU_SHIFT)   & PMRSWTP_PMRSWTU_MASK)
357 #define NVME_PMRSWTP_PMRSWTV(pmrswtp)   \
358     ((pmrswtp >> PMRSWTP_PMRSWTV_SHIFT)   & PMRSWTP_PMRSWTV_MASK)
359 
360 #define NVME_PMRSWTP_SET_PMRSWTU(pmrswtp, val)   \
361     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTU_MASK) << PMRSWTP_PMRSWTU_SHIFT)
362 #define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val)   \
363     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
364 
365 enum NvmePmrmscShift {
366     PMRMSC_CMSE_SHIFT   = 1,
367     PMRMSC_CBA_SHIFT    = 12,
368 };
369 
370 enum NvmePmrmscMask {
371     PMRMSC_CMSE_MASK   = 0x1,
372     PMRMSC_CBA_MASK    = 0xfffffffffffff,
373 };
374 
375 #define NVME_PMRMSC_CMSE(pmrmsc)    \
376     ((pmrmsc >> PMRMSC_CMSE_SHIFT)   & PMRMSC_CMSE_MASK)
377 #define NVME_PMRMSC_CBA(pmrmsc)     \
378     ((pmrmsc >> PMRMSC_CBA_SHIFT)   & PMRMSC_CBA_MASK)
379 
380 #define NVME_PMRMSC_SET_CMSE(pmrmsc, val)   \
381     (pmrmsc |= (uint64_t)(val & PMRMSC_CMSE_MASK) << PMRMSC_CMSE_SHIFT)
382 #define NVME_PMRMSC_SET_CBA(pmrmsc, val)   \
383     (pmrmsc |= (uint64_t)(val & PMRMSC_CBA_MASK) << PMRMSC_CBA_SHIFT)
384 
385 enum NvmeSglDescriptorType {
386     NVME_SGL_DESCR_TYPE_DATA_BLOCK          = 0x0,
387     NVME_SGL_DESCR_TYPE_BIT_BUCKET          = 0x1,
388     NVME_SGL_DESCR_TYPE_SEGMENT             = 0x2,
389     NVME_SGL_DESCR_TYPE_LAST_SEGMENT        = 0x3,
390     NVME_SGL_DESCR_TYPE_KEYED_DATA_BLOCK    = 0x4,
391 
392     NVME_SGL_DESCR_TYPE_VENDOR_SPECIFIC     = 0xf,
393 };
394 
395 enum NvmeSglDescriptorSubtype {
396     NVME_SGL_DESCR_SUBTYPE_ADDRESS = 0x0,
397 };
398 
399 typedef struct QEMU_PACKED NvmeSglDescriptor {
400     uint64_t addr;
401     uint32_t len;
402     uint8_t  rsvd[3];
403     uint8_t  type;
404 } NvmeSglDescriptor;
405 
406 #define NVME_SGL_TYPE(type)     ((type >> 4) & 0xf)
407 #define NVME_SGL_SUBTYPE(type)  (type & 0xf)
408 
409 typedef union NvmeCmdDptr {
410     struct {
411         uint64_t    prp1;
412         uint64_t    prp2;
413     };
414 
415     NvmeSglDescriptor sgl;
416 } NvmeCmdDptr;
417 
418 enum NvmePsdt {
419     NVME_PSDT_PRP                 = 0x0,
420     NVME_PSDT_SGL_MPTR_CONTIGUOUS = 0x1,
421     NVME_PSDT_SGL_MPTR_SGL        = 0x2,
422 };
423 
424 typedef struct QEMU_PACKED NvmeCmd {
425     uint8_t     opcode;
426     uint8_t     flags;
427     uint16_t    cid;
428     uint32_t    nsid;
429     uint64_t    res1;
430     uint64_t    mptr;
431     NvmeCmdDptr dptr;
432     uint32_t    cdw10;
433     uint32_t    cdw11;
434     uint32_t    cdw12;
435     uint32_t    cdw13;
436     uint32_t    cdw14;
437     uint32_t    cdw15;
438 } NvmeCmd;
439 
440 #define NVME_CMD_FLAGS_FUSE(flags) (flags & 0x3)
441 #define NVME_CMD_FLAGS_PSDT(flags) ((flags >> 6) & 0x3)
442 
443 enum NvmeAdminCommands {
444     NVME_ADM_CMD_DELETE_SQ      = 0x00,
445     NVME_ADM_CMD_CREATE_SQ      = 0x01,
446     NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
447     NVME_ADM_CMD_DELETE_CQ      = 0x04,
448     NVME_ADM_CMD_CREATE_CQ      = 0x05,
449     NVME_ADM_CMD_IDENTIFY       = 0x06,
450     NVME_ADM_CMD_ABORT          = 0x08,
451     NVME_ADM_CMD_SET_FEATURES   = 0x09,
452     NVME_ADM_CMD_GET_FEATURES   = 0x0a,
453     NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
454     NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
455     NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
456     NVME_ADM_CMD_FORMAT_NVM     = 0x80,
457     NVME_ADM_CMD_SECURITY_SEND  = 0x81,
458     NVME_ADM_CMD_SECURITY_RECV  = 0x82,
459 };
460 
461 enum NvmeIoCommands {
462     NVME_CMD_FLUSH              = 0x00,
463     NVME_CMD_WRITE              = 0x01,
464     NVME_CMD_READ               = 0x02,
465     NVME_CMD_WRITE_UNCOR        = 0x04,
466     NVME_CMD_COMPARE            = 0x05,
467     NVME_CMD_WRITE_ZEROES       = 0x08,
468     NVME_CMD_DSM                = 0x09,
469 };
470 
471 typedef struct QEMU_PACKED NvmeDeleteQ {
472     uint8_t     opcode;
473     uint8_t     flags;
474     uint16_t    cid;
475     uint32_t    rsvd1[9];
476     uint16_t    qid;
477     uint16_t    rsvd10;
478     uint32_t    rsvd11[5];
479 } NvmeDeleteQ;
480 
481 typedef struct QEMU_PACKED NvmeCreateCq {
482     uint8_t     opcode;
483     uint8_t     flags;
484     uint16_t    cid;
485     uint32_t    rsvd1[5];
486     uint64_t    prp1;
487     uint64_t    rsvd8;
488     uint16_t    cqid;
489     uint16_t    qsize;
490     uint16_t    cq_flags;
491     uint16_t    irq_vector;
492     uint32_t    rsvd12[4];
493 } NvmeCreateCq;
494 
495 #define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
496 #define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
497 
498 typedef struct QEMU_PACKED NvmeCreateSq {
499     uint8_t     opcode;
500     uint8_t     flags;
501     uint16_t    cid;
502     uint32_t    rsvd1[5];
503     uint64_t    prp1;
504     uint64_t    rsvd8;
505     uint16_t    sqid;
506     uint16_t    qsize;
507     uint16_t    sq_flags;
508     uint16_t    cqid;
509     uint32_t    rsvd12[4];
510 } NvmeCreateSq;
511 
512 #define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
513 #define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)
514 
515 enum NvmeQueueFlags {
516     NVME_Q_PC           = 1,
517     NVME_Q_PRIO_URGENT  = 0,
518     NVME_Q_PRIO_HIGH    = 1,
519     NVME_Q_PRIO_NORMAL  = 2,
520     NVME_Q_PRIO_LOW     = 3,
521 };
522 
523 typedef struct QEMU_PACKED NvmeIdentify {
524     uint8_t     opcode;
525     uint8_t     flags;
526     uint16_t    cid;
527     uint32_t    nsid;
528     uint64_t    rsvd2[2];
529     uint64_t    prp1;
530     uint64_t    prp2;
531     uint32_t    cns;
532     uint32_t    rsvd11[5];
533 } NvmeIdentify;
534 
535 typedef struct QEMU_PACKED NvmeRwCmd {
536     uint8_t     opcode;
537     uint8_t     flags;
538     uint16_t    cid;
539     uint32_t    nsid;
540     uint64_t    rsvd2;
541     uint64_t    mptr;
542     NvmeCmdDptr dptr;
543     uint64_t    slba;
544     uint16_t    nlb;
545     uint16_t    control;
546     uint32_t    dsmgmt;
547     uint32_t    reftag;
548     uint16_t    apptag;
549     uint16_t    appmask;
550 } NvmeRwCmd;
551 
552 enum {
553     NVME_RW_LR                  = 1 << 15,
554     NVME_RW_FUA                 = 1 << 14,
555     NVME_RW_DSM_FREQ_UNSPEC     = 0,
556     NVME_RW_DSM_FREQ_TYPICAL    = 1,
557     NVME_RW_DSM_FREQ_RARE       = 2,
558     NVME_RW_DSM_FREQ_READS      = 3,
559     NVME_RW_DSM_FREQ_WRITES     = 4,
560     NVME_RW_DSM_FREQ_RW         = 5,
561     NVME_RW_DSM_FREQ_ONCE       = 6,
562     NVME_RW_DSM_FREQ_PREFETCH   = 7,
563     NVME_RW_DSM_FREQ_TEMP       = 8,
564     NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
565     NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
566     NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
567     NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
568     NVME_RW_DSM_SEQ_REQ         = 1 << 6,
569     NVME_RW_DSM_COMPRESSED      = 1 << 7,
570     NVME_RW_PRINFO_PRACT        = 1 << 13,
571     NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
572     NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
573     NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
574 };
575 
576 typedef struct QEMU_PACKED NvmeDsmCmd {
577     uint8_t     opcode;
578     uint8_t     flags;
579     uint16_t    cid;
580     uint32_t    nsid;
581     uint64_t    rsvd2[2];
582     NvmeCmdDptr dptr;
583     uint32_t    nr;
584     uint32_t    attributes;
585     uint32_t    rsvd12[4];
586 } NvmeDsmCmd;
587 
588 enum {
589     NVME_DSMGMT_IDR = 1 << 0,
590     NVME_DSMGMT_IDW = 1 << 1,
591     NVME_DSMGMT_AD  = 1 << 2,
592 };
593 
594 typedef struct QEMU_PACKED NvmeDsmRange {
595     uint32_t    cattr;
596     uint32_t    nlb;
597     uint64_t    slba;
598 } NvmeDsmRange;
599 
600 enum NvmeAsyncEventRequest {
601     NVME_AER_TYPE_ERROR                     = 0,
602     NVME_AER_TYPE_SMART                     = 1,
603     NVME_AER_TYPE_IO_SPECIFIC               = 6,
604     NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
605     NVME_AER_INFO_ERR_INVALID_DB_REGISTER   = 0,
606     NVME_AER_INFO_ERR_INVALID_DB_VALUE      = 1,
607     NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
608     NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
609     NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
610     NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
611     NVME_AER_INFO_SMART_RELIABILITY         = 0,
612     NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
613     NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
614 };
615 
616 typedef struct QEMU_PACKED NvmeAerResult {
617     uint8_t event_type;
618     uint8_t event_info;
619     uint8_t log_page;
620     uint8_t resv;
621 } NvmeAerResult;
622 
623 typedef struct QEMU_PACKED NvmeCqe {
624     uint32_t    result;
625     uint32_t    rsvd;
626     uint16_t    sq_head;
627     uint16_t    sq_id;
628     uint16_t    cid;
629     uint16_t    status;
630 } NvmeCqe;
631 
632 enum NvmeStatusCodes {
633     NVME_SUCCESS                = 0x0000,
634     NVME_INVALID_OPCODE         = 0x0001,
635     NVME_INVALID_FIELD          = 0x0002,
636     NVME_CID_CONFLICT           = 0x0003,
637     NVME_DATA_TRAS_ERROR        = 0x0004,
638     NVME_POWER_LOSS_ABORT       = 0x0005,
639     NVME_INTERNAL_DEV_ERROR     = 0x0006,
640     NVME_CMD_ABORT_REQ          = 0x0007,
641     NVME_CMD_ABORT_SQ_DEL       = 0x0008,
642     NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
643     NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
644     NVME_INVALID_NSID           = 0x000b,
645     NVME_CMD_SEQ_ERROR          = 0x000c,
646     NVME_INVALID_SGL_SEG_DESCR  = 0x000d,
647     NVME_INVALID_NUM_SGL_DESCRS = 0x000e,
648     NVME_DATA_SGL_LEN_INVALID   = 0x000f,
649     NVME_MD_SGL_LEN_INVALID     = 0x0010,
650     NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
651     NVME_INVALID_USE_OF_CMB     = 0x0012,
652     NVME_LBA_RANGE              = 0x0080,
653     NVME_CAP_EXCEEDED           = 0x0081,
654     NVME_NS_NOT_READY           = 0x0082,
655     NVME_NS_RESV_CONFLICT       = 0x0083,
656     NVME_INVALID_CQID           = 0x0100,
657     NVME_INVALID_QID            = 0x0101,
658     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
659     NVME_ACL_EXCEEDED           = 0x0103,
660     NVME_RESERVED               = 0x0104,
661     NVME_AER_LIMIT_EXCEEDED     = 0x0105,
662     NVME_INVALID_FW_SLOT        = 0x0106,
663     NVME_INVALID_FW_IMAGE       = 0x0107,
664     NVME_INVALID_IRQ_VECTOR     = 0x0108,
665     NVME_INVALID_LOG_ID         = 0x0109,
666     NVME_INVALID_FORMAT         = 0x010a,
667     NVME_FW_REQ_RESET           = 0x010b,
668     NVME_INVALID_QUEUE_DEL      = 0x010c,
669     NVME_FID_NOT_SAVEABLE       = 0x010d,
670     NVME_FEAT_NOT_CHANGEABLE    = 0x010e,
671     NVME_FEAT_NOT_NS_SPEC       = 0x010f,
672     NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
673     NVME_CONFLICTING_ATTRS      = 0x0180,
674     NVME_INVALID_PROT_INFO      = 0x0181,
675     NVME_WRITE_TO_RO            = 0x0182,
676     NVME_WRITE_FAULT            = 0x0280,
677     NVME_UNRECOVERED_READ       = 0x0281,
678     NVME_E2E_GUARD_ERROR        = 0x0282,
679     NVME_E2E_APP_ERROR          = 0x0283,
680     NVME_E2E_REF_ERROR          = 0x0284,
681     NVME_CMP_FAILURE            = 0x0285,
682     NVME_ACCESS_DENIED          = 0x0286,
683     NVME_MORE                   = 0x2000,
684     NVME_DNR                    = 0x4000,
685     NVME_NO_COMPLETE            = 0xffff,
686 };
687 
688 typedef struct QEMU_PACKED NvmeFwSlotInfoLog {
689     uint8_t     afi;
690     uint8_t     reserved1[7];
691     uint8_t     frs1[8];
692     uint8_t     frs2[8];
693     uint8_t     frs3[8];
694     uint8_t     frs4[8];
695     uint8_t     frs5[8];
696     uint8_t     frs6[8];
697     uint8_t     frs7[8];
698     uint8_t     reserved2[448];
699 } NvmeFwSlotInfoLog;
700 
701 typedef struct QEMU_PACKED NvmeErrorLog {
702     uint64_t    error_count;
703     uint16_t    sqid;
704     uint16_t    cid;
705     uint16_t    status_field;
706     uint16_t    param_error_location;
707     uint64_t    lba;
708     uint32_t    nsid;
709     uint8_t     vs;
710     uint8_t     resv[35];
711 } NvmeErrorLog;
712 
713 typedef struct QEMU_PACKED NvmeSmartLog {
714     uint8_t     critical_warning;
715     uint16_t    temperature;
716     uint8_t     available_spare;
717     uint8_t     available_spare_threshold;
718     uint8_t     percentage_used;
719     uint8_t     reserved1[26];
720     uint64_t    data_units_read[2];
721     uint64_t    data_units_written[2];
722     uint64_t    host_read_commands[2];
723     uint64_t    host_write_commands[2];
724     uint64_t    controller_busy_time[2];
725     uint64_t    power_cycles[2];
726     uint64_t    power_on_hours[2];
727     uint64_t    unsafe_shutdowns[2];
728     uint64_t    media_errors[2];
729     uint64_t    number_of_error_log_entries[2];
730     uint8_t     reserved2[320];
731 } NvmeSmartLog;
732 
733 enum NvmeSmartWarn {
734     NVME_SMART_SPARE                  = 1 << 0,
735     NVME_SMART_TEMPERATURE            = 1 << 1,
736     NVME_SMART_RELIABILITY            = 1 << 2,
737     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
738     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
739 };
740 
741 enum NvmeLogIdentifier {
742     NVME_LOG_ERROR_INFO     = 0x01,
743     NVME_LOG_SMART_INFO     = 0x02,
744     NVME_LOG_FW_SLOT_INFO   = 0x03,
745 };
746 
747 typedef struct QEMU_PACKED NvmePSD {
748     uint16_t    mp;
749     uint16_t    reserved;
750     uint32_t    enlat;
751     uint32_t    exlat;
752     uint8_t     rrt;
753     uint8_t     rrl;
754     uint8_t     rwt;
755     uint8_t     rwl;
756     uint8_t     resv[16];
757 } NvmePSD;
758 
759 #define NVME_IDENTIFY_DATA_SIZE 4096
760 
761 enum {
762     NVME_ID_CNS_NS             = 0x0,
763     NVME_ID_CNS_CTRL           = 0x1,
764     NVME_ID_CNS_NS_ACTIVE_LIST = 0x2,
765     NVME_ID_CNS_NS_DESCR_LIST  = 0x3,
766 };
767 
768 typedef struct QEMU_PACKED NvmeIdCtrl {
769     uint16_t    vid;
770     uint16_t    ssvid;
771     uint8_t     sn[20];
772     uint8_t     mn[40];
773     uint8_t     fr[8];
774     uint8_t     rab;
775     uint8_t     ieee[3];
776     uint8_t     cmic;
777     uint8_t     mdts;
778     uint16_t    cntlid;
779     uint32_t    ver;
780     uint32_t    rtd3r;
781     uint32_t    rtd3e;
782     uint32_t    oaes;
783     uint32_t    ctratt;
784     uint8_t     rsvd100[12];
785     uint8_t     fguid[16];
786     uint8_t     rsvd128[128];
787     uint16_t    oacs;
788     uint8_t     acl;
789     uint8_t     aerl;
790     uint8_t     frmw;
791     uint8_t     lpa;
792     uint8_t     elpe;
793     uint8_t     npss;
794     uint8_t     avscc;
795     uint8_t     apsta;
796     uint16_t    wctemp;
797     uint16_t    cctemp;
798     uint16_t    mtfa;
799     uint32_t    hmpre;
800     uint32_t    hmmin;
801     uint8_t     tnvmcap[16];
802     uint8_t     unvmcap[16];
803     uint32_t    rpmbs;
804     uint16_t    edstt;
805     uint8_t     dsto;
806     uint8_t     fwug;
807     uint16_t    kas;
808     uint16_t    hctma;
809     uint16_t    mntmt;
810     uint16_t    mxtmt;
811     uint32_t    sanicap;
812     uint8_t     rsvd332[180];
813     uint8_t     sqes;
814     uint8_t     cqes;
815     uint16_t    maxcmd;
816     uint32_t    nn;
817     uint16_t    oncs;
818     uint16_t    fuses;
819     uint8_t     fna;
820     uint8_t     vwc;
821     uint16_t    awun;
822     uint16_t    awupf;
823     uint8_t     nvscc;
824     uint8_t     rsvd531;
825     uint16_t    acwu;
826     uint8_t     rsvd534[2];
827     uint32_t    sgls;
828     uint8_t     rsvd540[228];
829     uint8_t     subnqn[256];
830     uint8_t     rsvd1024[1024];
831     NvmePSD     psd[32];
832     uint8_t     vs[1024];
833 } NvmeIdCtrl;
834 
835 enum NvmeIdCtrlOacs {
836     NVME_OACS_SECURITY  = 1 << 0,
837     NVME_OACS_FORMAT    = 1 << 1,
838     NVME_OACS_FW        = 1 << 2,
839 };
840 
841 enum NvmeIdCtrlOncs {
842     NVME_ONCS_COMPARE       = 1 << 0,
843     NVME_ONCS_WRITE_UNCORR  = 1 << 1,
844     NVME_ONCS_DSM           = 1 << 2,
845     NVME_ONCS_WRITE_ZEROES  = 1 << 3,
846     NVME_ONCS_FEATURES      = 1 << 4,
847     NVME_ONCS_RESRVATIONS   = 1 << 5,
848     NVME_ONCS_TIMESTAMP     = 1 << 6,
849 };
850 
851 enum NvmeIdCtrlFrmw {
852     NVME_FRMW_SLOT1_RO = 1 << 0,
853 };
854 
855 enum NvmeIdCtrlLpa {
856     NVME_LPA_NS_SMART = 1 << 0,
857     NVME_LPA_EXTENDED = 1 << 2,
858 };
859 
860 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
861 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
862 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
863 #define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
864 
865 #define NVME_CTRL_SGLS_SUPPORT_MASK        (0x3 <<  0)
866 #define NVME_CTRL_SGLS_SUPPORT_NO_ALIGN    (0x1 <<  0)
867 #define NVME_CTRL_SGLS_SUPPORT_DWORD_ALIGN (0x1 <<  1)
868 #define NVME_CTRL_SGLS_KEYED               (0x1 <<  2)
869 #define NVME_CTRL_SGLS_BITBUCKET           (0x1 << 16)
870 #define NVME_CTRL_SGLS_MPTR_CONTIGUOUS     (0x1 << 17)
871 #define NVME_CTRL_SGLS_EXCESS_LENGTH       (0x1 << 18)
872 #define NVME_CTRL_SGLS_MPTR_SGL            (0x1 << 19)
873 #define NVME_CTRL_SGLS_ADDR_OFFSET         (0x1 << 20)
874 
875 #define NVME_ARB_AB(arb)    (arb & 0x7)
876 #define NVME_ARB_AB_NOLIMIT 0x7
877 #define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
878 #define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
879 #define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)
880 
881 #define NVME_INTC_THR(intc)     (intc & 0xff)
882 #define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)
883 
884 #define NVME_INTVC_NOCOALESCING (0x1 << 16)
885 
886 #define NVME_TEMP_THSEL(temp)  ((temp >> 20) & 0x3)
887 #define NVME_TEMP_THSEL_OVER   0x0
888 #define NVME_TEMP_THSEL_UNDER  0x1
889 
890 #define NVME_TEMP_TMPSEL(temp)     ((temp >> 16) & 0xf)
891 #define NVME_TEMP_TMPSEL_COMPOSITE 0x0
892 
893 #define NVME_TEMP_TMPTH(temp) (temp & 0xffff)
894 
895 #define NVME_AEC_SMART(aec)         (aec & 0xff)
896 #define NVME_AEC_NS_ATTR(aec)       ((aec >> 8) & 0x1)
897 #define NVME_AEC_FW_ACTIVATION(aec) ((aec >> 9) & 0x1)
898 
899 enum NvmeFeatureIds {
900     NVME_ARBITRATION                = 0x1,
901     NVME_POWER_MANAGEMENT           = 0x2,
902     NVME_LBA_RANGE_TYPE             = 0x3,
903     NVME_TEMPERATURE_THRESHOLD      = 0x4,
904     NVME_ERROR_RECOVERY             = 0x5,
905     NVME_VOLATILE_WRITE_CACHE       = 0x6,
906     NVME_NUMBER_OF_QUEUES           = 0x7,
907     NVME_INTERRUPT_COALESCING       = 0x8,
908     NVME_INTERRUPT_VECTOR_CONF      = 0x9,
909     NVME_WRITE_ATOMICITY            = 0xa,
910     NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
911     NVME_TIMESTAMP                  = 0xe,
912     NVME_SOFTWARE_PROGRESS_MARKER   = 0x80,
913     NVME_FID_MAX                    = 0x100,
914 };
915 
916 typedef enum NvmeFeatureCap {
917     NVME_FEAT_CAP_SAVE      = 1 << 0,
918     NVME_FEAT_CAP_NS        = 1 << 1,
919     NVME_FEAT_CAP_CHANGE    = 1 << 2,
920 } NvmeFeatureCap;
921 
922 typedef enum NvmeGetFeatureSelect {
923     NVME_GETFEAT_SELECT_CURRENT = 0x0,
924     NVME_GETFEAT_SELECT_DEFAULT = 0x1,
925     NVME_GETFEAT_SELECT_SAVED   = 0x2,
926     NVME_GETFEAT_SELECT_CAP     = 0x3,
927 } NvmeGetFeatureSelect;
928 
929 #define NVME_GETSETFEAT_FID_MASK 0xff
930 #define NVME_GETSETFEAT_FID(dw10) (dw10 & NVME_GETSETFEAT_FID_MASK)
931 
932 #define NVME_GETFEAT_SELECT_SHIFT 8
933 #define NVME_GETFEAT_SELECT_MASK  0x7
934 #define NVME_GETFEAT_SELECT(dw10) \
935     ((dw10 >> NVME_GETFEAT_SELECT_SHIFT) & NVME_GETFEAT_SELECT_MASK)
936 
937 #define NVME_SETFEAT_SAVE_SHIFT 31
938 #define NVME_SETFEAT_SAVE_MASK  0x1
939 #define NVME_SETFEAT_SAVE(dw10) \
940     ((dw10 >> NVME_SETFEAT_SAVE_SHIFT) & NVME_SETFEAT_SAVE_MASK)
941 
942 typedef struct QEMU_PACKED NvmeRangeType {
943     uint8_t     type;
944     uint8_t     attributes;
945     uint8_t     rsvd2[14];
946     uint64_t    slba;
947     uint64_t    nlb;
948     uint8_t     guid[16];
949     uint8_t     rsvd48[16];
950 } NvmeRangeType;
951 
952 typedef struct QEMU_PACKED NvmeLBAF {
953     uint16_t    ms;
954     uint8_t     ds;
955     uint8_t     rp;
956 } NvmeLBAF;
957 
958 #define NVME_NSID_BROADCAST 0xffffffff
959 
960 typedef struct QEMU_PACKED NvmeIdNs {
961     uint64_t    nsze;
962     uint64_t    ncap;
963     uint64_t    nuse;
964     uint8_t     nsfeat;
965     uint8_t     nlbaf;
966     uint8_t     flbas;
967     uint8_t     mc;
968     uint8_t     dpc;
969     uint8_t     dps;
970     uint8_t     nmic;
971     uint8_t     rescap;
972     uint8_t     fpi;
973     uint8_t     dlfeat;
974     uint16_t    nawun;
975     uint16_t    nawupf;
976     uint16_t    nacwu;
977     uint16_t    nabsn;
978     uint16_t    nabo;
979     uint16_t    nabspf;
980     uint16_t    noiob;
981     uint8_t     nvmcap[16];
982     uint8_t     rsvd64[40];
983     uint8_t     nguid[16];
984     uint64_t    eui64;
985     NvmeLBAF    lbaf[16];
986     uint8_t     rsvd192[192];
987     uint8_t     vs[3712];
988 } NvmeIdNs;
989 
990 typedef struct QEMU_PACKED NvmeIdNsDescr {
991     uint8_t nidt;
992     uint8_t nidl;
993     uint8_t rsvd2[2];
994 } NvmeIdNsDescr;
995 
996 enum {
997     NVME_NIDT_EUI64_LEN =  8,
998     NVME_NIDT_NGUID_LEN = 16,
999     NVME_NIDT_UUID_LEN  = 16,
1000 };
1001 
1002 enum NvmeNsIdentifierType {
1003     NVME_NIDT_EUI64 = 0x1,
1004     NVME_NIDT_NGUID = 0x2,
1005     NVME_NIDT_UUID  = 0x3,
1006 };
1007 
1008 /*Deallocate Logical Block Features*/
1009 #define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat)       ((dlfeat) & 0x10)
1010 #define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat)    ((dlfeat) & 0x08)
1011 
1012 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR(dlfeat)     ((dlfeat) & 0x7)
1013 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_UNDEFINED   0
1014 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ZEROES      1
1015 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ONES        2
1016 
1017 
1018 #define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
1019 #define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
1020 #define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
1021 #define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
1022 #define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
1023 #define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
1024 #define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
1025 #define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
1026 #define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
1027 #define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
1028 #define NVME_ID_NS_DPC_TYPE_MASK            0x7
1029 
1030 enum NvmeIdNsDps {
1031     DPS_TYPE_NONE   = 0,
1032     DPS_TYPE_1      = 1,
1033     DPS_TYPE_2      = 2,
1034     DPS_TYPE_3      = 3,
1035     DPS_TYPE_MASK   = 0x7,
1036     DPS_FIRST_EIGHT = 8,
1037 };
1038 
1039 static inline void _nvme_check_size(void)
1040 {
1041     QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
1042     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
1043     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
1044     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
1045     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
1046     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
1047     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
1048     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
1049     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
1050     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
1051     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
1052     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
1053     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
1054     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
1055     QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
1056     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
1057     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
1058     QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16);
1059     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
1060 }
1061 #endif
1062