xref: /openbmc/qemu/include/block/nvme.h (revision 67abc3dd)
1 #ifndef BLOCK_NVME_H
2 #define BLOCK_NVME_H
3 
4 typedef struct NvmeBar {
5     uint64_t    cap;
6     uint32_t    vs;
7     uint32_t    intms;
8     uint32_t    intmc;
9     uint32_t    cc;
10     uint32_t    rsvd1;
11     uint32_t    csts;
12     uint32_t    nssrc;
13     uint32_t    aqa;
14     uint64_t    asq;
15     uint64_t    acq;
16     uint32_t    cmbloc;
17     uint32_t    cmbsz;
18     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     uint32_t    pmrmsc;
25 } NvmeBar;
26 
27 enum NvmeCapShift {
28     CAP_MQES_SHIFT     = 0,
29     CAP_CQR_SHIFT      = 16,
30     CAP_AMS_SHIFT      = 17,
31     CAP_TO_SHIFT       = 24,
32     CAP_DSTRD_SHIFT    = 32,
33     CAP_NSSRS_SHIFT    = 36,
34     CAP_CSS_SHIFT      = 37,
35     CAP_MPSMIN_SHIFT   = 48,
36     CAP_MPSMAX_SHIFT   = 52,
37     CAP_PMR_SHIFT      = 56,
38 };
39 
40 enum NvmeCapMask {
41     CAP_MQES_MASK      = 0xffff,
42     CAP_CQR_MASK       = 0x1,
43     CAP_AMS_MASK       = 0x3,
44     CAP_TO_MASK        = 0xff,
45     CAP_DSTRD_MASK     = 0xf,
46     CAP_NSSRS_MASK     = 0x1,
47     CAP_CSS_MASK       = 0xff,
48     CAP_MPSMIN_MASK    = 0xf,
49     CAP_MPSMAX_MASK    = 0xf,
50     CAP_PMR_MASK       = 0x1,
51 };
52 
53 #define NVME_CAP_MQES(cap)  (((cap) >> CAP_MQES_SHIFT)   & CAP_MQES_MASK)
54 #define NVME_CAP_CQR(cap)   (((cap) >> CAP_CQR_SHIFT)    & CAP_CQR_MASK)
55 #define NVME_CAP_AMS(cap)   (((cap) >> CAP_AMS_SHIFT)    & CAP_AMS_MASK)
56 #define NVME_CAP_TO(cap)    (((cap) >> CAP_TO_SHIFT)     & CAP_TO_MASK)
57 #define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT)  & CAP_DSTRD_MASK)
58 #define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT)  & CAP_NSSRS_MASK)
59 #define NVME_CAP_CSS(cap)   (((cap) >> CAP_CSS_SHIFT)    & CAP_CSS_MASK)
60 #define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK)
61 #define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK)
62 
63 #define NVME_CAP_SET_MQES(cap, val)   (cap |= (uint64_t)(val & CAP_MQES_MASK)  \
64                                                            << CAP_MQES_SHIFT)
65 #define NVME_CAP_SET_CQR(cap, val)    (cap |= (uint64_t)(val & CAP_CQR_MASK)   \
66                                                            << CAP_CQR_SHIFT)
67 #define NVME_CAP_SET_AMS(cap, val)    (cap |= (uint64_t)(val & CAP_AMS_MASK)   \
68                                                            << CAP_AMS_SHIFT)
69 #define NVME_CAP_SET_TO(cap, val)     (cap |= (uint64_t)(val & CAP_TO_MASK)    \
70                                                            << CAP_TO_SHIFT)
71 #define NVME_CAP_SET_DSTRD(cap, val)  (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \
72                                                            << CAP_DSTRD_SHIFT)
73 #define NVME_CAP_SET_NSSRS(cap, val)  (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \
74                                                            << CAP_NSSRS_SHIFT)
75 #define NVME_CAP_SET_CSS(cap, val)    (cap |= (uint64_t)(val & CAP_CSS_MASK)   \
76                                                            << CAP_CSS_SHIFT)
77 #define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\
78                                                            << CAP_MPSMIN_SHIFT)
79 #define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\
80                                                             << CAP_MPSMAX_SHIFT)
81 #define NVME_CAP_SET_PMRS(cap, val) (cap |= (uint64_t)(val & CAP_PMR_MASK)\
82                                                             << CAP_PMR_SHIFT)
83 
84 enum NvmeCcShift {
85     CC_EN_SHIFT     = 0,
86     CC_CSS_SHIFT    = 4,
87     CC_MPS_SHIFT    = 7,
88     CC_AMS_SHIFT    = 11,
89     CC_SHN_SHIFT    = 14,
90     CC_IOSQES_SHIFT = 16,
91     CC_IOCQES_SHIFT = 20,
92 };
93 
94 enum NvmeCcMask {
95     CC_EN_MASK      = 0x1,
96     CC_CSS_MASK     = 0x7,
97     CC_MPS_MASK     = 0xf,
98     CC_AMS_MASK     = 0x7,
99     CC_SHN_MASK     = 0x3,
100     CC_IOSQES_MASK  = 0xf,
101     CC_IOCQES_MASK  = 0xf,
102 };
103 
104 #define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
105 #define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
106 #define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
107 #define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
108 #define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
109 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
110 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
111 
112 enum NvmeCstsShift {
113     CSTS_RDY_SHIFT      = 0,
114     CSTS_CFS_SHIFT      = 1,
115     CSTS_SHST_SHIFT     = 2,
116     CSTS_NSSRO_SHIFT    = 4,
117 };
118 
119 enum NvmeCstsMask {
120     CSTS_RDY_MASK   = 0x1,
121     CSTS_CFS_MASK   = 0x1,
122     CSTS_SHST_MASK  = 0x3,
123     CSTS_NSSRO_MASK = 0x1,
124 };
125 
126 enum NvmeCsts {
127     NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
128     NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
129     NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
130     NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
131     NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
132     NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
133 };
134 
135 #define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
136 #define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
137 #define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
138 #define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
139 
140 enum NvmeAqaShift {
141     AQA_ASQS_SHIFT  = 0,
142     AQA_ACQS_SHIFT  = 16,
143 };
144 
145 enum NvmeAqaMask {
146     AQA_ASQS_MASK   = 0xfff,
147     AQA_ACQS_MASK   = 0xfff,
148 };
149 
150 #define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
151 #define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
152 
153 enum NvmeCmblocShift {
154     CMBLOC_BIR_SHIFT  = 0,
155     CMBLOC_OFST_SHIFT = 12,
156 };
157 
158 enum NvmeCmblocMask {
159     CMBLOC_BIR_MASK  = 0x7,
160     CMBLOC_OFST_MASK = 0xfffff,
161 };
162 
163 #define NVME_CMBLOC_BIR(cmbloc) ((cmbloc >> CMBLOC_BIR_SHIFT)  & \
164                                  CMBLOC_BIR_MASK)
165 #define NVME_CMBLOC_OFST(cmbloc)((cmbloc >> CMBLOC_OFST_SHIFT) & \
166                                  CMBLOC_OFST_MASK)
167 
168 #define NVME_CMBLOC_SET_BIR(cmbloc, val)  \
169     (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
170 #define NVME_CMBLOC_SET_OFST(cmbloc, val) \
171     (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)
172 
173 enum NvmeCmbszShift {
174     CMBSZ_SQS_SHIFT   = 0,
175     CMBSZ_CQS_SHIFT   = 1,
176     CMBSZ_LISTS_SHIFT = 2,
177     CMBSZ_RDS_SHIFT   = 3,
178     CMBSZ_WDS_SHIFT   = 4,
179     CMBSZ_SZU_SHIFT   = 8,
180     CMBSZ_SZ_SHIFT    = 12,
181 };
182 
183 enum NvmeCmbszMask {
184     CMBSZ_SQS_MASK   = 0x1,
185     CMBSZ_CQS_MASK   = 0x1,
186     CMBSZ_LISTS_MASK = 0x1,
187     CMBSZ_RDS_MASK   = 0x1,
188     CMBSZ_WDS_MASK   = 0x1,
189     CMBSZ_SZU_MASK   = 0xf,
190     CMBSZ_SZ_MASK    = 0xfffff,
191 };
192 
193 #define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
194 #define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
195 #define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
196 #define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
197 #define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
198 #define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
199 #define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)
200 
201 #define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
202     (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
203 #define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
204     (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
205 #define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
206     (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
207 #define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
208     (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
209 #define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
210     (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
211 #define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
212     (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
213 #define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
214     (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)
215 
216 #define NVME_CMBSZ_GETSIZE(cmbsz) \
217     (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))
218 
219 enum NvmePmrcapShift {
220     PMRCAP_RDS_SHIFT      = 3,
221     PMRCAP_WDS_SHIFT      = 4,
222     PMRCAP_BIR_SHIFT      = 5,
223     PMRCAP_PMRTU_SHIFT    = 8,
224     PMRCAP_PMRWBM_SHIFT   = 10,
225     PMRCAP_PMRTO_SHIFT    = 16,
226     PMRCAP_CMSS_SHIFT     = 24,
227 };
228 
229 enum NvmePmrcapMask {
230     PMRCAP_RDS_MASK      = 0x1,
231     PMRCAP_WDS_MASK      = 0x1,
232     PMRCAP_BIR_MASK      = 0x7,
233     PMRCAP_PMRTU_MASK    = 0x3,
234     PMRCAP_PMRWBM_MASK   = 0xf,
235     PMRCAP_PMRTO_MASK    = 0xff,
236     PMRCAP_CMSS_MASK     = 0x1,
237 };
238 
239 #define NVME_PMRCAP_RDS(pmrcap)    \
240     ((pmrcap >> PMRCAP_RDS_SHIFT)   & PMRCAP_RDS_MASK)
241 #define NVME_PMRCAP_WDS(pmrcap)    \
242     ((pmrcap >> PMRCAP_WDS_SHIFT)   & PMRCAP_WDS_MASK)
243 #define NVME_PMRCAP_BIR(pmrcap)    \
244     ((pmrcap >> PMRCAP_BIR_SHIFT)   & PMRCAP_BIR_MASK)
245 #define NVME_PMRCAP_PMRTU(pmrcap)    \
246     ((pmrcap >> PMRCAP_PMRTU_SHIFT)   & PMRCAP_PMRTU_MASK)
247 #define NVME_PMRCAP_PMRWBM(pmrcap)    \
248     ((pmrcap >> PMRCAP_PMRWBM_SHIFT)   & PMRCAP_PMRWBM_MASK)
249 #define NVME_PMRCAP_PMRTO(pmrcap)    \
250     ((pmrcap >> PMRCAP_PMRTO_SHIFT)   & PMRCAP_PMRTO_MASK)
251 #define NVME_PMRCAP_CMSS(pmrcap)    \
252     ((pmrcap >> PMRCAP_CMSS_SHIFT)   & PMRCAP_CMSS_MASK)
253 
254 #define NVME_PMRCAP_SET_RDS(pmrcap, val)   \
255     (pmrcap |= (uint64_t)(val & PMRCAP_RDS_MASK) << PMRCAP_RDS_SHIFT)
256 #define NVME_PMRCAP_SET_WDS(pmrcap, val)   \
257     (pmrcap |= (uint64_t)(val & PMRCAP_WDS_MASK) << PMRCAP_WDS_SHIFT)
258 #define NVME_PMRCAP_SET_BIR(pmrcap, val)   \
259     (pmrcap |= (uint64_t)(val & PMRCAP_BIR_MASK) << PMRCAP_BIR_SHIFT)
260 #define NVME_PMRCAP_SET_PMRTU(pmrcap, val)   \
261     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTU_MASK) << PMRCAP_PMRTU_SHIFT)
262 #define NVME_PMRCAP_SET_PMRWBM(pmrcap, val)   \
263     (pmrcap |= (uint64_t)(val & PMRCAP_PMRWBM_MASK) << PMRCAP_PMRWBM_SHIFT)
264 #define NVME_PMRCAP_SET_PMRTO(pmrcap, val)   \
265     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTO_MASK) << PMRCAP_PMRTO_SHIFT)
266 #define NVME_PMRCAP_SET_CMSS(pmrcap, val)   \
267     (pmrcap |= (uint64_t)(val & PMRCAP_CMSS_MASK) << PMRCAP_CMSS_SHIFT)
268 
269 enum NvmePmrctlShift {
270     PMRCTL_EN_SHIFT   = 0,
271 };
272 
273 enum NvmePmrctlMask {
274     PMRCTL_EN_MASK   = 0x1,
275 };
276 
277 #define NVME_PMRCTL_EN(pmrctl)  ((pmrctl >> PMRCTL_EN_SHIFT)   & PMRCTL_EN_MASK)
278 
279 #define NVME_PMRCTL_SET_EN(pmrctl, val)   \
280     (pmrctl |= (uint64_t)(val & PMRCTL_EN_MASK) << PMRCTL_EN_SHIFT)
281 
282 enum NvmePmrstsShift {
283     PMRSTS_ERR_SHIFT    = 0,
284     PMRSTS_NRDY_SHIFT   = 8,
285     PMRSTS_HSTS_SHIFT   = 9,
286     PMRSTS_CBAI_SHIFT   = 12,
287 };
288 
289 enum NvmePmrstsMask {
290     PMRSTS_ERR_MASK    = 0xff,
291     PMRSTS_NRDY_MASK   = 0x1,
292     PMRSTS_HSTS_MASK   = 0x7,
293     PMRSTS_CBAI_MASK   = 0x1,
294 };
295 
296 #define NVME_PMRSTS_ERR(pmrsts)     \
297     ((pmrsts >> PMRSTS_ERR_SHIFT)   & PMRSTS_ERR_MASK)
298 #define NVME_PMRSTS_NRDY(pmrsts)    \
299     ((pmrsts >> PMRSTS_NRDY_SHIFT)   & PMRSTS_NRDY_MASK)
300 #define NVME_PMRSTS_HSTS(pmrsts)    \
301     ((pmrsts >> PMRSTS_HSTS_SHIFT)   & PMRSTS_HSTS_MASK)
302 #define NVME_PMRSTS_CBAI(pmrsts)    \
303     ((pmrsts >> PMRSTS_CBAI_SHIFT)   & PMRSTS_CBAI_MASK)
304 
305 #define NVME_PMRSTS_SET_ERR(pmrsts, val)   \
306     (pmrsts |= (uint64_t)(val & PMRSTS_ERR_MASK) << PMRSTS_ERR_SHIFT)
307 #define NVME_PMRSTS_SET_NRDY(pmrsts, val)   \
308     (pmrsts |= (uint64_t)(val & PMRSTS_NRDY_MASK) << PMRSTS_NRDY_SHIFT)
309 #define NVME_PMRSTS_SET_HSTS(pmrsts, val)   \
310     (pmrsts |= (uint64_t)(val & PMRSTS_HSTS_MASK) << PMRSTS_HSTS_SHIFT)
311 #define NVME_PMRSTS_SET_CBAI(pmrsts, val)   \
312     (pmrsts |= (uint64_t)(val & PMRSTS_CBAI_MASK) << PMRSTS_CBAI_SHIFT)
313 
314 enum NvmePmrebsShift {
315     PMREBS_PMRSZU_SHIFT   = 0,
316     PMREBS_RBB_SHIFT      = 4,
317     PMREBS_PMRWBZ_SHIFT   = 8,
318 };
319 
320 enum NvmePmrebsMask {
321     PMREBS_PMRSZU_MASK   = 0xf,
322     PMREBS_RBB_MASK      = 0x1,
323     PMREBS_PMRWBZ_MASK   = 0xffffff,
324 };
325 
326 #define NVME_PMREBS_PMRSZU(pmrebs)  \
327     ((pmrebs >> PMREBS_PMRSZU_SHIFT)   & PMREBS_PMRSZU_MASK)
328 #define NVME_PMREBS_RBB(pmrebs)     \
329     ((pmrebs >> PMREBS_RBB_SHIFT)   & PMREBS_RBB_MASK)
330 #define NVME_PMREBS_PMRWBZ(pmrebs)  \
331     ((pmrebs >> PMREBS_PMRWBZ_SHIFT)   & PMREBS_PMRWBZ_MASK)
332 
333 #define NVME_PMREBS_SET_PMRSZU(pmrebs, val)   \
334     (pmrebs |= (uint64_t)(val & PMREBS_PMRSZU_MASK) << PMREBS_PMRSZU_SHIFT)
335 #define NVME_PMREBS_SET_RBB(pmrebs, val)   \
336     (pmrebs |= (uint64_t)(val & PMREBS_RBB_MASK) << PMREBS_RBB_SHIFT)
337 #define NVME_PMREBS_SET_PMRWBZ(pmrebs, val)   \
338     (pmrebs |= (uint64_t)(val & PMREBS_PMRWBZ_MASK) << PMREBS_PMRWBZ_SHIFT)
339 
340 enum NvmePmrswtpShift {
341     PMRSWTP_PMRSWTU_SHIFT   = 0,
342     PMRSWTP_PMRSWTV_SHIFT   = 8,
343 };
344 
345 enum NvmePmrswtpMask {
346     PMRSWTP_PMRSWTU_MASK   = 0xf,
347     PMRSWTP_PMRSWTV_MASK   = 0xffffff,
348 };
349 
350 #define NVME_PMRSWTP_PMRSWTU(pmrswtp)   \
351     ((pmrswtp >> PMRSWTP_PMRSWTU_SHIFT)   & PMRSWTP_PMRSWTU_MASK)
352 #define NVME_PMRSWTP_PMRSWTV(pmrswtp)   \
353     ((pmrswtp >> PMRSWTP_PMRSWTV_SHIFT)   & PMRSWTP_PMRSWTV_MASK)
354 
355 #define NVME_PMRSWTP_SET_PMRSWTU(pmrswtp, val)   \
356     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTU_MASK) << PMRSWTP_PMRSWTU_SHIFT)
357 #define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val)   \
358     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
359 
360 enum NvmePmrmscShift {
361     PMRMSC_CMSE_SHIFT   = 1,
362     PMRMSC_CBA_SHIFT    = 12,
363 };
364 
365 enum NvmePmrmscMask {
366     PMRMSC_CMSE_MASK   = 0x1,
367     PMRMSC_CBA_MASK    = 0xfffffffffffff,
368 };
369 
370 #define NVME_PMRMSC_CMSE(pmrmsc)    \
371     ((pmrmsc >> PMRMSC_CMSE_SHIFT)   & PMRMSC_CMSE_MASK)
372 #define NVME_PMRMSC_CBA(pmrmsc)     \
373     ((pmrmsc >> PMRMSC_CBA_SHIFT)   & PMRMSC_CBA_MASK)
374 
375 #define NVME_PMRMSC_SET_CMSE(pmrmsc, val)   \
376     (pmrmsc |= (uint64_t)(val & PMRMSC_CMSE_MASK) << PMRMSC_CMSE_SHIFT)
377 #define NVME_PMRMSC_SET_CBA(pmrmsc, val)   \
378     (pmrmsc |= (uint64_t)(val & PMRMSC_CBA_MASK) << PMRMSC_CBA_SHIFT)
379 
380 typedef struct NvmeCmd {
381     uint8_t     opcode;
382     uint8_t     fuse;
383     uint16_t    cid;
384     uint32_t    nsid;
385     uint64_t    res1;
386     uint64_t    mptr;
387     uint64_t    prp1;
388     uint64_t    prp2;
389     uint32_t    cdw10;
390     uint32_t    cdw11;
391     uint32_t    cdw12;
392     uint32_t    cdw13;
393     uint32_t    cdw14;
394     uint32_t    cdw15;
395 } NvmeCmd;
396 
397 enum NvmeAdminCommands {
398     NVME_ADM_CMD_DELETE_SQ      = 0x00,
399     NVME_ADM_CMD_CREATE_SQ      = 0x01,
400     NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
401     NVME_ADM_CMD_DELETE_CQ      = 0x04,
402     NVME_ADM_CMD_CREATE_CQ      = 0x05,
403     NVME_ADM_CMD_IDENTIFY       = 0x06,
404     NVME_ADM_CMD_ABORT          = 0x08,
405     NVME_ADM_CMD_SET_FEATURES   = 0x09,
406     NVME_ADM_CMD_GET_FEATURES   = 0x0a,
407     NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
408     NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
409     NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
410     NVME_ADM_CMD_FORMAT_NVM     = 0x80,
411     NVME_ADM_CMD_SECURITY_SEND  = 0x81,
412     NVME_ADM_CMD_SECURITY_RECV  = 0x82,
413 };
414 
415 enum NvmeIoCommands {
416     NVME_CMD_FLUSH              = 0x00,
417     NVME_CMD_WRITE              = 0x01,
418     NVME_CMD_READ               = 0x02,
419     NVME_CMD_WRITE_UNCOR        = 0x04,
420     NVME_CMD_COMPARE            = 0x05,
421     NVME_CMD_WRITE_ZEROS        = 0x08,
422     NVME_CMD_DSM                = 0x09,
423 };
424 
425 typedef struct NvmeDeleteQ {
426     uint8_t     opcode;
427     uint8_t     flags;
428     uint16_t    cid;
429     uint32_t    rsvd1[9];
430     uint16_t    qid;
431     uint16_t    rsvd10;
432     uint32_t    rsvd11[5];
433 } NvmeDeleteQ;
434 
435 typedef struct NvmeCreateCq {
436     uint8_t     opcode;
437     uint8_t     flags;
438     uint16_t    cid;
439     uint32_t    rsvd1[5];
440     uint64_t    prp1;
441     uint64_t    rsvd8;
442     uint16_t    cqid;
443     uint16_t    qsize;
444     uint16_t    cq_flags;
445     uint16_t    irq_vector;
446     uint32_t    rsvd12[4];
447 } NvmeCreateCq;
448 
449 #define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
450 #define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
451 
452 typedef struct NvmeCreateSq {
453     uint8_t     opcode;
454     uint8_t     flags;
455     uint16_t    cid;
456     uint32_t    rsvd1[5];
457     uint64_t    prp1;
458     uint64_t    rsvd8;
459     uint16_t    sqid;
460     uint16_t    qsize;
461     uint16_t    sq_flags;
462     uint16_t    cqid;
463     uint32_t    rsvd12[4];
464 } NvmeCreateSq;
465 
466 #define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
467 #define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)
468 
469 enum NvmeQueueFlags {
470     NVME_Q_PC           = 1,
471     NVME_Q_PRIO_URGENT  = 0,
472     NVME_Q_PRIO_HIGH    = 1,
473     NVME_Q_PRIO_NORMAL  = 2,
474     NVME_Q_PRIO_LOW     = 3,
475 };
476 
477 typedef struct NvmeIdentify {
478     uint8_t     opcode;
479     uint8_t     flags;
480     uint16_t    cid;
481     uint32_t    nsid;
482     uint64_t    rsvd2[2];
483     uint64_t    prp1;
484     uint64_t    prp2;
485     uint32_t    cns;
486     uint32_t    rsvd11[5];
487 } NvmeIdentify;
488 
489 typedef struct NvmeRwCmd {
490     uint8_t     opcode;
491     uint8_t     flags;
492     uint16_t    cid;
493     uint32_t    nsid;
494     uint64_t    rsvd2;
495     uint64_t    mptr;
496     uint64_t    prp1;
497     uint64_t    prp2;
498     uint64_t    slba;
499     uint16_t    nlb;
500     uint16_t    control;
501     uint32_t    dsmgmt;
502     uint32_t    reftag;
503     uint16_t    apptag;
504     uint16_t    appmask;
505 } NvmeRwCmd;
506 
507 enum {
508     NVME_RW_LR                  = 1 << 15,
509     NVME_RW_FUA                 = 1 << 14,
510     NVME_RW_DSM_FREQ_UNSPEC     = 0,
511     NVME_RW_DSM_FREQ_TYPICAL    = 1,
512     NVME_RW_DSM_FREQ_RARE       = 2,
513     NVME_RW_DSM_FREQ_READS      = 3,
514     NVME_RW_DSM_FREQ_WRITES     = 4,
515     NVME_RW_DSM_FREQ_RW         = 5,
516     NVME_RW_DSM_FREQ_ONCE       = 6,
517     NVME_RW_DSM_FREQ_PREFETCH   = 7,
518     NVME_RW_DSM_FREQ_TEMP       = 8,
519     NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
520     NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
521     NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
522     NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
523     NVME_RW_DSM_SEQ_REQ         = 1 << 6,
524     NVME_RW_DSM_COMPRESSED      = 1 << 7,
525     NVME_RW_PRINFO_PRACT        = 1 << 13,
526     NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
527     NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
528     NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
529 };
530 
531 typedef struct NvmeDsmCmd {
532     uint8_t     opcode;
533     uint8_t     flags;
534     uint16_t    cid;
535     uint32_t    nsid;
536     uint64_t    rsvd2[2];
537     uint64_t    prp1;
538     uint64_t    prp2;
539     uint32_t    nr;
540     uint32_t    attributes;
541     uint32_t    rsvd12[4];
542 } NvmeDsmCmd;
543 
544 enum {
545     NVME_DSMGMT_IDR = 1 << 0,
546     NVME_DSMGMT_IDW = 1 << 1,
547     NVME_DSMGMT_AD  = 1 << 2,
548 };
549 
550 typedef struct NvmeDsmRange {
551     uint32_t    cattr;
552     uint32_t    nlb;
553     uint64_t    slba;
554 } NvmeDsmRange;
555 
556 enum NvmeAsyncEventRequest {
557     NVME_AER_TYPE_ERROR                     = 0,
558     NVME_AER_TYPE_SMART                     = 1,
559     NVME_AER_TYPE_IO_SPECIFIC               = 6,
560     NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
561     NVME_AER_INFO_ERR_INVALID_SQ            = 0,
562     NVME_AER_INFO_ERR_INVALID_DB            = 1,
563     NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
564     NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
565     NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
566     NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
567     NVME_AER_INFO_SMART_RELIABILITY         = 0,
568     NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
569     NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
570 };
571 
572 typedef struct NvmeAerResult {
573     uint8_t event_type;
574     uint8_t event_info;
575     uint8_t log_page;
576     uint8_t resv;
577 } NvmeAerResult;
578 
579 typedef struct NvmeCqe {
580     uint32_t    result;
581     uint32_t    rsvd;
582     uint16_t    sq_head;
583     uint16_t    sq_id;
584     uint16_t    cid;
585     uint16_t    status;
586 } NvmeCqe;
587 
588 enum NvmeStatusCodes {
589     NVME_SUCCESS                = 0x0000,
590     NVME_INVALID_OPCODE         = 0x0001,
591     NVME_INVALID_FIELD          = 0x0002,
592     NVME_CID_CONFLICT           = 0x0003,
593     NVME_DATA_TRAS_ERROR        = 0x0004,
594     NVME_POWER_LOSS_ABORT       = 0x0005,
595     NVME_INTERNAL_DEV_ERROR     = 0x0006,
596     NVME_CMD_ABORT_REQ          = 0x0007,
597     NVME_CMD_ABORT_SQ_DEL       = 0x0008,
598     NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
599     NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
600     NVME_INVALID_NSID           = 0x000b,
601     NVME_CMD_SEQ_ERROR          = 0x000c,
602     NVME_LBA_RANGE              = 0x0080,
603     NVME_CAP_EXCEEDED           = 0x0081,
604     NVME_NS_NOT_READY           = 0x0082,
605     NVME_NS_RESV_CONFLICT       = 0x0083,
606     NVME_INVALID_CQID           = 0x0100,
607     NVME_INVALID_QID            = 0x0101,
608     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
609     NVME_ACL_EXCEEDED           = 0x0103,
610     NVME_RESERVED               = 0x0104,
611     NVME_AER_LIMIT_EXCEEDED     = 0x0105,
612     NVME_INVALID_FW_SLOT        = 0x0106,
613     NVME_INVALID_FW_IMAGE       = 0x0107,
614     NVME_INVALID_IRQ_VECTOR     = 0x0108,
615     NVME_INVALID_LOG_ID         = 0x0109,
616     NVME_INVALID_FORMAT         = 0x010a,
617     NVME_FW_REQ_RESET           = 0x010b,
618     NVME_INVALID_QUEUE_DEL      = 0x010c,
619     NVME_FID_NOT_SAVEABLE       = 0x010d,
620     NVME_FID_NOT_NSID_SPEC      = 0x010f,
621     NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
622     NVME_CONFLICTING_ATTRS      = 0x0180,
623     NVME_INVALID_PROT_INFO      = 0x0181,
624     NVME_WRITE_TO_RO            = 0x0182,
625     NVME_WRITE_FAULT            = 0x0280,
626     NVME_UNRECOVERED_READ       = 0x0281,
627     NVME_E2E_GUARD_ERROR        = 0x0282,
628     NVME_E2E_APP_ERROR          = 0x0283,
629     NVME_E2E_REF_ERROR          = 0x0284,
630     NVME_CMP_FAILURE            = 0x0285,
631     NVME_ACCESS_DENIED          = 0x0286,
632     NVME_MORE                   = 0x2000,
633     NVME_DNR                    = 0x4000,
634     NVME_NO_COMPLETE            = 0xffff,
635 };
636 
637 typedef struct NvmeFwSlotInfoLog {
638     uint8_t     afi;
639     uint8_t     reserved1[7];
640     uint8_t     frs1[8];
641     uint8_t     frs2[8];
642     uint8_t     frs3[8];
643     uint8_t     frs4[8];
644     uint8_t     frs5[8];
645     uint8_t     frs6[8];
646     uint8_t     frs7[8];
647     uint8_t     reserved2[448];
648 } NvmeFwSlotInfoLog;
649 
650 typedef struct NvmeErrorLog {
651     uint64_t    error_count;
652     uint16_t    sqid;
653     uint16_t    cid;
654     uint16_t    status_field;
655     uint16_t    param_error_location;
656     uint64_t    lba;
657     uint32_t    nsid;
658     uint8_t     vs;
659     uint8_t     resv[35];
660 } NvmeErrorLog;
661 
662 typedef struct NvmeSmartLog {
663     uint8_t     critical_warning;
664     uint8_t     temperature[2];
665     uint8_t     available_spare;
666     uint8_t     available_spare_threshold;
667     uint8_t     percentage_used;
668     uint8_t     reserved1[26];
669     uint64_t    data_units_read[2];
670     uint64_t    data_units_written[2];
671     uint64_t    host_read_commands[2];
672     uint64_t    host_write_commands[2];
673     uint64_t    controller_busy_time[2];
674     uint64_t    power_cycles[2];
675     uint64_t    power_on_hours[2];
676     uint64_t    unsafe_shutdowns[2];
677     uint64_t    media_errors[2];
678     uint64_t    number_of_error_log_entries[2];
679     uint8_t     reserved2[320];
680 } NvmeSmartLog;
681 
682 enum NvmeSmartWarn {
683     NVME_SMART_SPARE                  = 1 << 0,
684     NVME_SMART_TEMPERATURE            = 1 << 1,
685     NVME_SMART_RELIABILITY            = 1 << 2,
686     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
687     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
688 };
689 
690 enum LogIdentifier {
691     NVME_LOG_ERROR_INFO     = 0x01,
692     NVME_LOG_SMART_INFO     = 0x02,
693     NVME_LOG_FW_SLOT_INFO   = 0x03,
694 };
695 
696 typedef struct NvmePSD {
697     uint16_t    mp;
698     uint16_t    reserved;
699     uint32_t    enlat;
700     uint32_t    exlat;
701     uint8_t     rrt;
702     uint8_t     rrl;
703     uint8_t     rwt;
704     uint8_t     rwl;
705     uint8_t     resv[16];
706 } NvmePSD;
707 
708 #define NVME_IDENTIFY_DATA_SIZE 4096
709 
710 enum {
711     NVME_ID_CNS_NS             = 0x0,
712     NVME_ID_CNS_CTRL           = 0x1,
713     NVME_ID_CNS_NS_ACTIVE_LIST = 0x2,
714 };
715 
716 typedef struct NvmeIdCtrl {
717     uint16_t    vid;
718     uint16_t    ssvid;
719     uint8_t     sn[20];
720     uint8_t     mn[40];
721     uint8_t     fr[8];
722     uint8_t     rab;
723     uint8_t     ieee[3];
724     uint8_t     cmic;
725     uint8_t     mdts;
726     uint8_t     rsvd255[178];
727     uint16_t    oacs;
728     uint8_t     acl;
729     uint8_t     aerl;
730     uint8_t     frmw;
731     uint8_t     lpa;
732     uint8_t     elpe;
733     uint8_t     npss;
734     uint8_t     rsvd511[248];
735     uint8_t     sqes;
736     uint8_t     cqes;
737     uint16_t    rsvd515;
738     uint32_t    nn;
739     uint16_t    oncs;
740     uint16_t    fuses;
741     uint8_t     fna;
742     uint8_t     vwc;
743     uint16_t    awun;
744     uint16_t    awupf;
745     uint8_t     rsvd703[174];
746     uint8_t     rsvd2047[1344];
747     NvmePSD     psd[32];
748     uint8_t     vs[1024];
749 } NvmeIdCtrl;
750 
751 enum NvmeIdCtrlOacs {
752     NVME_OACS_SECURITY  = 1 << 0,
753     NVME_OACS_FORMAT    = 1 << 1,
754     NVME_OACS_FW        = 1 << 2,
755 };
756 
757 enum NvmeIdCtrlOncs {
758     NVME_ONCS_COMPARE       = 1 << 0,
759     NVME_ONCS_WRITE_UNCORR  = 1 << 1,
760     NVME_ONCS_DSM           = 1 << 2,
761     NVME_ONCS_WRITE_ZEROS   = 1 << 3,
762     NVME_ONCS_FEATURES      = 1 << 4,
763     NVME_ONCS_RESRVATIONS   = 1 << 5,
764     NVME_ONCS_TIMESTAMP     = 1 << 6,
765 };
766 
767 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
768 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
769 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
770 #define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
771 
772 typedef struct NvmeFeatureVal {
773     uint32_t    arbitration;
774     uint32_t    power_mgmt;
775     uint32_t    temp_thresh;
776     uint32_t    err_rec;
777     uint32_t    volatile_wc;
778     uint32_t    num_queues;
779     uint32_t    int_coalescing;
780     uint32_t    *int_vector_config;
781     uint32_t    write_atomicity;
782     uint32_t    async_config;
783     uint32_t    sw_prog_marker;
784 } NvmeFeatureVal;
785 
786 #define NVME_ARB_AB(arb)    (arb & 0x7)
787 #define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
788 #define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
789 #define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)
790 
791 #define NVME_INTC_THR(intc)     (intc & 0xff)
792 #define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)
793 
794 enum NvmeFeatureIds {
795     NVME_ARBITRATION                = 0x1,
796     NVME_POWER_MANAGEMENT           = 0x2,
797     NVME_LBA_RANGE_TYPE             = 0x3,
798     NVME_TEMPERATURE_THRESHOLD      = 0x4,
799     NVME_ERROR_RECOVERY             = 0x5,
800     NVME_VOLATILE_WRITE_CACHE       = 0x6,
801     NVME_NUMBER_OF_QUEUES           = 0x7,
802     NVME_INTERRUPT_COALESCING       = 0x8,
803     NVME_INTERRUPT_VECTOR_CONF      = 0x9,
804     NVME_WRITE_ATOMICITY            = 0xa,
805     NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
806     NVME_TIMESTAMP                  = 0xe,
807     NVME_SOFTWARE_PROGRESS_MARKER   = 0x80
808 };
809 
810 typedef struct NvmeRangeType {
811     uint8_t     type;
812     uint8_t     attributes;
813     uint8_t     rsvd2[14];
814     uint64_t    slba;
815     uint64_t    nlb;
816     uint8_t     guid[16];
817     uint8_t     rsvd48[16];
818 } NvmeRangeType;
819 
820 typedef struct NvmeLBAF {
821     uint16_t    ms;
822     uint8_t     ds;
823     uint8_t     rp;
824 } NvmeLBAF;
825 
826 typedef struct NvmeIdNs {
827     uint64_t    nsze;
828     uint64_t    ncap;
829     uint64_t    nuse;
830     uint8_t     nsfeat;
831     uint8_t     nlbaf;
832     uint8_t     flbas;
833     uint8_t     mc;
834     uint8_t     dpc;
835     uint8_t     dps;
836 
837     uint8_t     nmic;
838     uint8_t     rescap;
839     uint8_t     fpi;
840     uint8_t     dlfeat;
841 
842     uint8_t     res34[94];
843     NvmeLBAF    lbaf[16];
844     uint8_t     res192[192];
845     uint8_t     vs[3712];
846 } NvmeIdNs;
847 
848 
849 /*Deallocate Logical Block Features*/
850 #define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat)       ((dlfeat) & 0x10)
851 #define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat)    ((dlfeat) & 0x08)
852 
853 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR(dlfeat)     ((dlfeat) & 0x7)
854 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_UNDEFINED   0
855 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ZEROES      1
856 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ONES        2
857 
858 
859 #define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
860 #define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
861 #define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
862 #define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
863 #define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
864 #define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
865 #define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
866 #define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
867 #define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
868 #define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
869 #define NVME_ID_NS_DPC_TYPE_MASK            0x7
870 
871 enum NvmeIdNsDps {
872     DPS_TYPE_NONE   = 0,
873     DPS_TYPE_1      = 1,
874     DPS_TYPE_2      = 2,
875     DPS_TYPE_3      = 3,
876     DPS_TYPE_MASK   = 0x7,
877     DPS_FIRST_EIGHT = 8,
878 };
879 
880 static inline void _nvme_check_size(void)
881 {
882     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
883     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
884     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
885     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
886     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
887     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
888     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
889     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
890     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
891     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
892     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
893     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
894     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
895     QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
896     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
897     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
898 }
899 #endif
900