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FORK: QEMU emulator
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nvme.h (51502B)


      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     uint8_t     rsvd24[4];
     11     uint32_t    csts;
     12     uint32_t    nssr;
     13     uint32_t    aqa;
     14     uint64_t    asq;
     15     uint64_t    acq;
     16     uint32_t    cmbloc;
     17     uint32_t    cmbsz;
     18     uint32_t    bpinfo;
     19     uint32_t    bprsel;
     20     uint64_t    bpmbl;
     21     uint64_t    cmbmsc;
     22     uint32_t    cmbsts;
     23     uint8_t     rsvd92[3492];
     24     uint32_t    pmrcap;
     25     uint32_t    pmrctl;
     26     uint32_t    pmrsts;
     27     uint32_t    pmrebs;
     28     uint32_t    pmrswtp;
     29     uint32_t    pmrmscl;
     30     uint32_t    pmrmscu;
     31     uint8_t     css[484];
     32 } NvmeBar;
     33 
     34 enum NvmeBarRegs {
     35     NVME_REG_CAP     = offsetof(NvmeBar, cap),
     36     NVME_REG_VS      = offsetof(NvmeBar, vs),
     37     NVME_REG_INTMS   = offsetof(NvmeBar, intms),
     38     NVME_REG_INTMC   = offsetof(NvmeBar, intmc),
     39     NVME_REG_CC      = offsetof(NvmeBar, cc),
     40     NVME_REG_CSTS    = offsetof(NvmeBar, csts),
     41     NVME_REG_NSSR    = offsetof(NvmeBar, nssr),
     42     NVME_REG_AQA     = offsetof(NvmeBar, aqa),
     43     NVME_REG_ASQ     = offsetof(NvmeBar, asq),
     44     NVME_REG_ACQ     = offsetof(NvmeBar, acq),
     45     NVME_REG_CMBLOC  = offsetof(NvmeBar, cmbloc),
     46     NVME_REG_CMBSZ   = offsetof(NvmeBar, cmbsz),
     47     NVME_REG_BPINFO  = offsetof(NvmeBar, bpinfo),
     48     NVME_REG_BPRSEL  = offsetof(NvmeBar, bprsel),
     49     NVME_REG_BPMBL   = offsetof(NvmeBar, bpmbl),
     50     NVME_REG_CMBMSC  = offsetof(NvmeBar, cmbmsc),
     51     NVME_REG_CMBSTS  = offsetof(NvmeBar, cmbsts),
     52     NVME_REG_PMRCAP  = offsetof(NvmeBar, pmrcap),
     53     NVME_REG_PMRCTL  = offsetof(NvmeBar, pmrctl),
     54     NVME_REG_PMRSTS  = offsetof(NvmeBar, pmrsts),
     55     NVME_REG_PMREBS  = offsetof(NvmeBar, pmrebs),
     56     NVME_REG_PMRSWTP = offsetof(NvmeBar, pmrswtp),
     57     NVME_REG_PMRMSCL = offsetof(NvmeBar, pmrmscl),
     58     NVME_REG_PMRMSCU = offsetof(NvmeBar, pmrmscu),
     59 };
     60 
     61 enum NvmeCapShift {
     62     CAP_MQES_SHIFT     = 0,
     63     CAP_CQR_SHIFT      = 16,
     64     CAP_AMS_SHIFT      = 17,
     65     CAP_TO_SHIFT       = 24,
     66     CAP_DSTRD_SHIFT    = 32,
     67     CAP_NSSRS_SHIFT    = 36,
     68     CAP_CSS_SHIFT      = 37,
     69     CAP_MPSMIN_SHIFT   = 48,
     70     CAP_MPSMAX_SHIFT   = 52,
     71     CAP_PMRS_SHIFT     = 56,
     72     CAP_CMBS_SHIFT     = 57,
     73 };
     74 
     75 enum NvmeCapMask {
     76     CAP_MQES_MASK      = 0xffff,
     77     CAP_CQR_MASK       = 0x1,
     78     CAP_AMS_MASK       = 0x3,
     79     CAP_TO_MASK        = 0xff,
     80     CAP_DSTRD_MASK     = 0xf,
     81     CAP_NSSRS_MASK     = 0x1,
     82     CAP_CSS_MASK       = 0xff,
     83     CAP_MPSMIN_MASK    = 0xf,
     84     CAP_MPSMAX_MASK    = 0xf,
     85     CAP_PMRS_MASK      = 0x1,
     86     CAP_CMBS_MASK      = 0x1,
     87 };
     88 
     89 #define NVME_CAP_MQES(cap)  (((cap) >> CAP_MQES_SHIFT)   & CAP_MQES_MASK)
     90 #define NVME_CAP_CQR(cap)   (((cap) >> CAP_CQR_SHIFT)    & CAP_CQR_MASK)
     91 #define NVME_CAP_AMS(cap)   (((cap) >> CAP_AMS_SHIFT)    & CAP_AMS_MASK)
     92 #define NVME_CAP_TO(cap)    (((cap) >> CAP_TO_SHIFT)     & CAP_TO_MASK)
     93 #define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT)  & CAP_DSTRD_MASK)
     94 #define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT)  & CAP_NSSRS_MASK)
     95 #define NVME_CAP_CSS(cap)   (((cap) >> CAP_CSS_SHIFT)    & CAP_CSS_MASK)
     96 #define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK)
     97 #define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK)
     98 #define NVME_CAP_PMRS(cap)  (((cap) >> CAP_PMRS_SHIFT)   & CAP_PMRS_MASK)
     99 #define NVME_CAP_CMBS(cap)  (((cap) >> CAP_CMBS_SHIFT)   & CAP_CMBS_MASK)
    100 
    101 #define NVME_CAP_SET_MQES(cap, val)   \
    102     ((cap) |= (uint64_t)((val) & CAP_MQES_MASK)   << CAP_MQES_SHIFT)
    103 #define NVME_CAP_SET_CQR(cap, val)    \
    104     ((cap) |= (uint64_t)((val) & CAP_CQR_MASK)    << CAP_CQR_SHIFT)
    105 #define NVME_CAP_SET_AMS(cap, val)    \
    106     ((cap) |= (uint64_t)((val) & CAP_AMS_MASK)    << CAP_AMS_SHIFT)
    107 #define NVME_CAP_SET_TO(cap, val)     \
    108     ((cap) |= (uint64_t)((val) & CAP_TO_MASK)     << CAP_TO_SHIFT)
    109 #define NVME_CAP_SET_DSTRD(cap, val)  \
    110     ((cap) |= (uint64_t)((val) & CAP_DSTRD_MASK)  << CAP_DSTRD_SHIFT)
    111 #define NVME_CAP_SET_NSSRS(cap, val)  \
    112     ((cap) |= (uint64_t)((val) & CAP_NSSRS_MASK)  << CAP_NSSRS_SHIFT)
    113 #define NVME_CAP_SET_CSS(cap, val)    \
    114     ((cap) |= (uint64_t)((val) & CAP_CSS_MASK)    << CAP_CSS_SHIFT)
    115 #define NVME_CAP_SET_MPSMIN(cap, val) \
    116     ((cap) |= (uint64_t)((val) & CAP_MPSMIN_MASK) << CAP_MPSMIN_SHIFT)
    117 #define NVME_CAP_SET_MPSMAX(cap, val) \
    118     ((cap) |= (uint64_t)((val) & CAP_MPSMAX_MASK) << CAP_MPSMAX_SHIFT)
    119 #define NVME_CAP_SET_PMRS(cap, val)   \
    120     ((cap) |= (uint64_t)((val) & CAP_PMRS_MASK)   << CAP_PMRS_SHIFT)
    121 #define NVME_CAP_SET_CMBS(cap, val)   \
    122     ((cap) |= (uint64_t)((val) & CAP_CMBS_MASK)   << CAP_CMBS_SHIFT)
    123 
    124 enum NvmeCapCss {
    125     NVME_CAP_CSS_NVM        = 1 << 0,
    126     NVME_CAP_CSS_CSI_SUPP   = 1 << 6,
    127     NVME_CAP_CSS_ADMIN_ONLY = 1 << 7,
    128 };
    129 
    130 enum NvmeCcShift {
    131     CC_EN_SHIFT     = 0,
    132     CC_CSS_SHIFT    = 4,
    133     CC_MPS_SHIFT    = 7,
    134     CC_AMS_SHIFT    = 11,
    135     CC_SHN_SHIFT    = 14,
    136     CC_IOSQES_SHIFT = 16,
    137     CC_IOCQES_SHIFT = 20,
    138 };
    139 
    140 enum NvmeCcMask {
    141     CC_EN_MASK      = 0x1,
    142     CC_CSS_MASK     = 0x7,
    143     CC_MPS_MASK     = 0xf,
    144     CC_AMS_MASK     = 0x7,
    145     CC_SHN_MASK     = 0x3,
    146     CC_IOSQES_MASK  = 0xf,
    147     CC_IOCQES_MASK  = 0xf,
    148 };
    149 
    150 #define NVME_CC_EN(cc)     ((cc >> CC_EN_SHIFT)     & CC_EN_MASK)
    151 #define NVME_CC_CSS(cc)    ((cc >> CC_CSS_SHIFT)    & CC_CSS_MASK)
    152 #define NVME_CC_MPS(cc)    ((cc >> CC_MPS_SHIFT)    & CC_MPS_MASK)
    153 #define NVME_CC_AMS(cc)    ((cc >> CC_AMS_SHIFT)    & CC_AMS_MASK)
    154 #define NVME_CC_SHN(cc)    ((cc >> CC_SHN_SHIFT)    & CC_SHN_MASK)
    155 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
    156 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
    157 
    158 enum NvmeCcCss {
    159     NVME_CC_CSS_NVM        = 0x0,
    160     NVME_CC_CSS_CSI        = 0x6,
    161     NVME_CC_CSS_ADMIN_ONLY = 0x7,
    162 };
    163 
    164 #define NVME_SET_CC_EN(cc, val)     \
    165     (cc |= (uint32_t)((val) & CC_EN_MASK) << CC_EN_SHIFT)
    166 #define NVME_SET_CC_CSS(cc, val)    \
    167     (cc |= (uint32_t)((val) & CC_CSS_MASK) << CC_CSS_SHIFT)
    168 #define NVME_SET_CC_MPS(cc, val)    \
    169     (cc |= (uint32_t)((val) & CC_MPS_MASK) << CC_MPS_SHIFT)
    170 #define NVME_SET_CC_AMS(cc, val)    \
    171     (cc |= (uint32_t)((val) & CC_AMS_MASK) << CC_AMS_SHIFT)
    172 #define NVME_SET_CC_SHN(cc, val)    \
    173     (cc |= (uint32_t)((val) & CC_SHN_MASK) << CC_SHN_SHIFT)
    174 #define NVME_SET_CC_IOSQES(cc, val) \
    175     (cc |= (uint32_t)((val) & CC_IOSQES_MASK) << CC_IOSQES_SHIFT)
    176 #define NVME_SET_CC_IOCQES(cc, val) \
    177     (cc |= (uint32_t)((val) & CC_IOCQES_MASK) << CC_IOCQES_SHIFT)
    178 
    179 enum NvmeCstsShift {
    180     CSTS_RDY_SHIFT      = 0,
    181     CSTS_CFS_SHIFT      = 1,
    182     CSTS_SHST_SHIFT     = 2,
    183     CSTS_NSSRO_SHIFT    = 4,
    184 };
    185 
    186 enum NvmeCstsMask {
    187     CSTS_RDY_MASK   = 0x1,
    188     CSTS_CFS_MASK   = 0x1,
    189     CSTS_SHST_MASK  = 0x3,
    190     CSTS_NSSRO_MASK = 0x1,
    191 };
    192 
    193 enum NvmeCsts {
    194     NVME_CSTS_READY         = 1 << CSTS_RDY_SHIFT,
    195     NVME_CSTS_FAILED        = 1 << CSTS_CFS_SHIFT,
    196     NVME_CSTS_SHST_NORMAL   = 0 << CSTS_SHST_SHIFT,
    197     NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT,
    198     NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT,
    199     NVME_CSTS_NSSRO         = 1 << CSTS_NSSRO_SHIFT,
    200 };
    201 
    202 #define NVME_CSTS_RDY(csts)     ((csts >> CSTS_RDY_SHIFT)   & CSTS_RDY_MASK)
    203 #define NVME_CSTS_CFS(csts)     ((csts >> CSTS_CFS_SHIFT)   & CSTS_CFS_MASK)
    204 #define NVME_CSTS_SHST(csts)    ((csts >> CSTS_SHST_SHIFT)  & CSTS_SHST_MASK)
    205 #define NVME_CSTS_NSSRO(csts)   ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK)
    206 
    207 enum NvmeAqaShift {
    208     AQA_ASQS_SHIFT  = 0,
    209     AQA_ACQS_SHIFT  = 16,
    210 };
    211 
    212 enum NvmeAqaMask {
    213     AQA_ASQS_MASK   = 0xfff,
    214     AQA_ACQS_MASK   = 0xfff,
    215 };
    216 
    217 #define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK)
    218 #define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK)
    219 
    220 enum NvmeCmblocShift {
    221     CMBLOC_BIR_SHIFT     = 0,
    222     CMBLOC_CQMMS_SHIFT   = 3,
    223     CMBLOC_CQPDS_SHIFT   = 4,
    224     CMBLOC_CDPMLS_SHIFT  = 5,
    225     CMBLOC_CDPCILS_SHIFT = 6,
    226     CMBLOC_CDMMMS_SHIFT  = 7,
    227     CMBLOC_CQDA_SHIFT    = 8,
    228     CMBLOC_OFST_SHIFT    = 12,
    229 };
    230 
    231 enum NvmeCmblocMask {
    232     CMBLOC_BIR_MASK     = 0x7,
    233     CMBLOC_CQMMS_MASK   = 0x1,
    234     CMBLOC_CQPDS_MASK   = 0x1,
    235     CMBLOC_CDPMLS_MASK  = 0x1,
    236     CMBLOC_CDPCILS_MASK = 0x1,
    237     CMBLOC_CDMMMS_MASK  = 0x1,
    238     CMBLOC_CQDA_MASK    = 0x1,
    239     CMBLOC_OFST_MASK    = 0xfffff,
    240 };
    241 
    242 #define NVME_CMBLOC_BIR(cmbloc) \
    243     ((cmbloc >> CMBLOC_BIR_SHIFT) & CMBLOC_BIR_MASK)
    244 #define NVME_CMBLOC_CQMMS(cmbloc) \
    245     ((cmbloc >> CMBLOC_CQMMS_SHIFT) & CMBLOC_CQMMS_MASK)
    246 #define NVME_CMBLOC_CQPDS(cmbloc) \
    247     ((cmbloc >> CMBLOC_CQPDS_SHIFT) & CMBLOC_CQPDS_MASK)
    248 #define NVME_CMBLOC_CDPMLS(cmbloc) \
    249     ((cmbloc >> CMBLOC_CDPMLS_SHIFT) & CMBLOC_CDPMLS_MASK)
    250 #define NVME_CMBLOC_CDPCILS(cmbloc) \
    251     ((cmbloc >> CMBLOC_CDPCILS_SHIFT) & CMBLOC_CDPCILS_MASK)
    252 #define NVME_CMBLOC_CDMMMS(cmbloc) \
    253     ((cmbloc >> CMBLOC_CDMMMS_SHIFT) & CMBLOC_CDMMMS_MASK)
    254 #define NVME_CMBLOC_CQDA(cmbloc) \
    255     ((cmbloc >> CMBLOC_CQDA_SHIFT) & CMBLOC_CQDA_MASK)
    256 #define NVME_CMBLOC_OFST(cmbloc) \
    257     ((cmbloc >> CMBLOC_OFST_SHIFT) & CMBLOC_OFST_MASK)
    258 
    259 #define NVME_CMBLOC_SET_BIR(cmbloc, val) \
    260     (cmbloc |= (uint64_t)(val & CMBLOC_BIR_MASK) << CMBLOC_BIR_SHIFT)
    261 #define NVME_CMBLOC_SET_CQMMS(cmbloc, val) \
    262     (cmbloc |= (uint64_t)(val & CMBLOC_CQMMS_MASK) << CMBLOC_CQMMS_SHIFT)
    263 #define NVME_CMBLOC_SET_CQPDS(cmbloc, val) \
    264     (cmbloc |= (uint64_t)(val & CMBLOC_CQPDS_MASK) << CMBLOC_CQPDS_SHIFT)
    265 #define NVME_CMBLOC_SET_CDPMLS(cmbloc, val) \
    266     (cmbloc |= (uint64_t)(val & CMBLOC_CDPMLS_MASK) << CMBLOC_CDPMLS_SHIFT)
    267 #define NVME_CMBLOC_SET_CDPCILS(cmbloc, val) \
    268     (cmbloc |= (uint64_t)(val & CMBLOC_CDPCILS_MASK) << CMBLOC_CDPCILS_SHIFT)
    269 #define NVME_CMBLOC_SET_CDMMMS(cmbloc, val) \
    270     (cmbloc |= (uint64_t)(val & CMBLOC_CDMMMS_MASK) << CMBLOC_CDMMMS_SHIFT)
    271 #define NVME_CMBLOC_SET_CQDA(cmbloc, val) \
    272     (cmbloc |= (uint64_t)(val & CMBLOC_CQDA_MASK) << CMBLOC_CQDA_SHIFT)
    273 #define NVME_CMBLOC_SET_OFST(cmbloc, val) \
    274     (cmbloc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBLOC_OFST_SHIFT)
    275 
    276 #define NVME_CMBMSMC_SET_CRE (cmbmsc, val) \
    277     (cmbmsc |= (uint64_t)(val & CMBLOC_OFST_MASK) << CMBMSC_CRE_SHIFT)
    278 
    279 enum NvmeCmbszShift {
    280     CMBSZ_SQS_SHIFT   = 0,
    281     CMBSZ_CQS_SHIFT   = 1,
    282     CMBSZ_LISTS_SHIFT = 2,
    283     CMBSZ_RDS_SHIFT   = 3,
    284     CMBSZ_WDS_SHIFT   = 4,
    285     CMBSZ_SZU_SHIFT   = 8,
    286     CMBSZ_SZ_SHIFT    = 12,
    287 };
    288 
    289 enum NvmeCmbszMask {
    290     CMBSZ_SQS_MASK   = 0x1,
    291     CMBSZ_CQS_MASK   = 0x1,
    292     CMBSZ_LISTS_MASK = 0x1,
    293     CMBSZ_RDS_MASK   = 0x1,
    294     CMBSZ_WDS_MASK   = 0x1,
    295     CMBSZ_SZU_MASK   = 0xf,
    296     CMBSZ_SZ_MASK    = 0xfffff,
    297 };
    298 
    299 #define NVME_CMBSZ_SQS(cmbsz)  ((cmbsz >> CMBSZ_SQS_SHIFT)   & CMBSZ_SQS_MASK)
    300 #define NVME_CMBSZ_CQS(cmbsz)  ((cmbsz >> CMBSZ_CQS_SHIFT)   & CMBSZ_CQS_MASK)
    301 #define NVME_CMBSZ_LISTS(cmbsz)((cmbsz >> CMBSZ_LISTS_SHIFT) & CMBSZ_LISTS_MASK)
    302 #define NVME_CMBSZ_RDS(cmbsz)  ((cmbsz >> CMBSZ_RDS_SHIFT)   & CMBSZ_RDS_MASK)
    303 #define NVME_CMBSZ_WDS(cmbsz)  ((cmbsz >> CMBSZ_WDS_SHIFT)   & CMBSZ_WDS_MASK)
    304 #define NVME_CMBSZ_SZU(cmbsz)  ((cmbsz >> CMBSZ_SZU_SHIFT)   & CMBSZ_SZU_MASK)
    305 #define NVME_CMBSZ_SZ(cmbsz)   ((cmbsz >> CMBSZ_SZ_SHIFT)    & CMBSZ_SZ_MASK)
    306 
    307 #define NVME_CMBSZ_SET_SQS(cmbsz, val)   \
    308     (cmbsz |= (uint64_t)(val &  CMBSZ_SQS_MASK)  << CMBSZ_SQS_SHIFT)
    309 #define NVME_CMBSZ_SET_CQS(cmbsz, val)   \
    310     (cmbsz |= (uint64_t)(val & CMBSZ_CQS_MASK) << CMBSZ_CQS_SHIFT)
    311 #define NVME_CMBSZ_SET_LISTS(cmbsz, val) \
    312     (cmbsz |= (uint64_t)(val & CMBSZ_LISTS_MASK) << CMBSZ_LISTS_SHIFT)
    313 #define NVME_CMBSZ_SET_RDS(cmbsz, val)   \
    314     (cmbsz |= (uint64_t)(val & CMBSZ_RDS_MASK) << CMBSZ_RDS_SHIFT)
    315 #define NVME_CMBSZ_SET_WDS(cmbsz, val)   \
    316     (cmbsz |= (uint64_t)(val & CMBSZ_WDS_MASK) << CMBSZ_WDS_SHIFT)
    317 #define NVME_CMBSZ_SET_SZU(cmbsz, val)   \
    318     (cmbsz |= (uint64_t)(val & CMBSZ_SZU_MASK) << CMBSZ_SZU_SHIFT)
    319 #define NVME_CMBSZ_SET_SZ(cmbsz, val)    \
    320     (cmbsz |= (uint64_t)(val & CMBSZ_SZ_MASK) << CMBSZ_SZ_SHIFT)
    321 
    322 #define NVME_CMBSZ_GETSIZE(cmbsz) \
    323     (NVME_CMBSZ_SZ(cmbsz) * (1 << (12 + 4 * NVME_CMBSZ_SZU(cmbsz))))
    324 
    325 enum NvmeCmbmscShift {
    326     CMBMSC_CRE_SHIFT  = 0,
    327     CMBMSC_CMSE_SHIFT = 1,
    328     CMBMSC_CBA_SHIFT  = 12,
    329 };
    330 
    331 enum NvmeCmbmscMask {
    332     CMBMSC_CRE_MASK  = 0x1,
    333     CMBMSC_CMSE_MASK = 0x1,
    334     CMBMSC_CBA_MASK  = ((1ULL << 52) - 1),
    335 };
    336 
    337 #define NVME_CMBMSC_CRE(cmbmsc) \
    338     ((cmbmsc >> CMBMSC_CRE_SHIFT)  & CMBMSC_CRE_MASK)
    339 #define NVME_CMBMSC_CMSE(cmbmsc) \
    340     ((cmbmsc >> CMBMSC_CMSE_SHIFT) & CMBMSC_CMSE_MASK)
    341 #define NVME_CMBMSC_CBA(cmbmsc) \
    342     ((cmbmsc >> CMBMSC_CBA_SHIFT) & CMBMSC_CBA_MASK)
    343 
    344 
    345 #define NVME_CMBMSC_SET_CRE(cmbmsc, val)  \
    346     (cmbmsc |= (uint64_t)(val & CMBMSC_CRE_MASK) << CMBMSC_CRE_SHIFT)
    347 #define NVME_CMBMSC_SET_CMSE(cmbmsc, val) \
    348     (cmbmsc |= (uint64_t)(val & CMBMSC_CMSE_MASK) << CMBMSC_CMSE_SHIFT)
    349 #define NVME_CMBMSC_SET_CBA(cmbmsc, val) \
    350     (cmbmsc |= (uint64_t)(val & CMBMSC_CBA_MASK) << CMBMSC_CBA_SHIFT)
    351 
    352 enum NvmeCmbstsShift {
    353     CMBSTS_CBAI_SHIFT = 0,
    354 };
    355 enum NvmeCmbstsMask {
    356     CMBSTS_CBAI_MASK = 0x1,
    357 };
    358 
    359 #define NVME_CMBSTS_CBAI(cmbsts) \
    360     ((cmbsts >> CMBSTS_CBAI_SHIFT) & CMBSTS_CBAI_MASK)
    361 
    362 #define NVME_CMBSTS_SET_CBAI(cmbsts, val)  \
    363     (cmbsts |= (uint64_t)(val & CMBSTS_CBAI_MASK) << CMBSTS_CBAI_SHIFT)
    364 
    365 enum NvmePmrcapShift {
    366     PMRCAP_RDS_SHIFT      = 3,
    367     PMRCAP_WDS_SHIFT      = 4,
    368     PMRCAP_BIR_SHIFT      = 5,
    369     PMRCAP_PMRTU_SHIFT    = 8,
    370     PMRCAP_PMRWBM_SHIFT   = 10,
    371     PMRCAP_PMRTO_SHIFT    = 16,
    372     PMRCAP_CMSS_SHIFT     = 24,
    373 };
    374 
    375 enum NvmePmrcapMask {
    376     PMRCAP_RDS_MASK      = 0x1,
    377     PMRCAP_WDS_MASK      = 0x1,
    378     PMRCAP_BIR_MASK      = 0x7,
    379     PMRCAP_PMRTU_MASK    = 0x3,
    380     PMRCAP_PMRWBM_MASK   = 0xf,
    381     PMRCAP_PMRTO_MASK    = 0xff,
    382     PMRCAP_CMSS_MASK     = 0x1,
    383 };
    384 
    385 #define NVME_PMRCAP_RDS(pmrcap)    \
    386     ((pmrcap >> PMRCAP_RDS_SHIFT)   & PMRCAP_RDS_MASK)
    387 #define NVME_PMRCAP_WDS(pmrcap)    \
    388     ((pmrcap >> PMRCAP_WDS_SHIFT)   & PMRCAP_WDS_MASK)
    389 #define NVME_PMRCAP_BIR(pmrcap)    \
    390     ((pmrcap >> PMRCAP_BIR_SHIFT)   & PMRCAP_BIR_MASK)
    391 #define NVME_PMRCAP_PMRTU(pmrcap)    \
    392     ((pmrcap >> PMRCAP_PMRTU_SHIFT)   & PMRCAP_PMRTU_MASK)
    393 #define NVME_PMRCAP_PMRWBM(pmrcap)    \
    394     ((pmrcap >> PMRCAP_PMRWBM_SHIFT)   & PMRCAP_PMRWBM_MASK)
    395 #define NVME_PMRCAP_PMRTO(pmrcap)    \
    396     ((pmrcap >> PMRCAP_PMRTO_SHIFT)   & PMRCAP_PMRTO_MASK)
    397 #define NVME_PMRCAP_CMSS(pmrcap)    \
    398     ((pmrcap >> PMRCAP_CMSS_SHIFT)   & PMRCAP_CMSS_MASK)
    399 
    400 #define NVME_PMRCAP_SET_RDS(pmrcap, val)   \
    401     (pmrcap |= (uint64_t)(val & PMRCAP_RDS_MASK) << PMRCAP_RDS_SHIFT)
    402 #define NVME_PMRCAP_SET_WDS(pmrcap, val)   \
    403     (pmrcap |= (uint64_t)(val & PMRCAP_WDS_MASK) << PMRCAP_WDS_SHIFT)
    404 #define NVME_PMRCAP_SET_BIR(pmrcap, val)   \
    405     (pmrcap |= (uint64_t)(val & PMRCAP_BIR_MASK) << PMRCAP_BIR_SHIFT)
    406 #define NVME_PMRCAP_SET_PMRTU(pmrcap, val)   \
    407     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTU_MASK) << PMRCAP_PMRTU_SHIFT)
    408 #define NVME_PMRCAP_SET_PMRWBM(pmrcap, val)   \
    409     (pmrcap |= (uint64_t)(val & PMRCAP_PMRWBM_MASK) << PMRCAP_PMRWBM_SHIFT)
    410 #define NVME_PMRCAP_SET_PMRTO(pmrcap, val)   \
    411     (pmrcap |= (uint64_t)(val & PMRCAP_PMRTO_MASK) << PMRCAP_PMRTO_SHIFT)
    412 #define NVME_PMRCAP_SET_CMSS(pmrcap, val)   \
    413     (pmrcap |= (uint64_t)(val & PMRCAP_CMSS_MASK) << PMRCAP_CMSS_SHIFT)
    414 
    415 enum NvmePmrctlShift {
    416     PMRCTL_EN_SHIFT   = 0,
    417 };
    418 
    419 enum NvmePmrctlMask {
    420     PMRCTL_EN_MASK   = 0x1,
    421 };
    422 
    423 #define NVME_PMRCTL_EN(pmrctl)  ((pmrctl >> PMRCTL_EN_SHIFT)   & PMRCTL_EN_MASK)
    424 
    425 #define NVME_PMRCTL_SET_EN(pmrctl, val)   \
    426     (pmrctl |= (uint64_t)(val & PMRCTL_EN_MASK) << PMRCTL_EN_SHIFT)
    427 
    428 enum NvmePmrstsShift {
    429     PMRSTS_ERR_SHIFT    = 0,
    430     PMRSTS_NRDY_SHIFT   = 8,
    431     PMRSTS_HSTS_SHIFT   = 9,
    432     PMRSTS_CBAI_SHIFT   = 12,
    433 };
    434 
    435 enum NvmePmrstsMask {
    436     PMRSTS_ERR_MASK    = 0xff,
    437     PMRSTS_NRDY_MASK   = 0x1,
    438     PMRSTS_HSTS_MASK   = 0x7,
    439     PMRSTS_CBAI_MASK   = 0x1,
    440 };
    441 
    442 #define NVME_PMRSTS_ERR(pmrsts)     \
    443     ((pmrsts >> PMRSTS_ERR_SHIFT)   & PMRSTS_ERR_MASK)
    444 #define NVME_PMRSTS_NRDY(pmrsts)    \
    445     ((pmrsts >> PMRSTS_NRDY_SHIFT)   & PMRSTS_NRDY_MASK)
    446 #define NVME_PMRSTS_HSTS(pmrsts)    \
    447     ((pmrsts >> PMRSTS_HSTS_SHIFT)   & PMRSTS_HSTS_MASK)
    448 #define NVME_PMRSTS_CBAI(pmrsts)    \
    449     ((pmrsts >> PMRSTS_CBAI_SHIFT)   & PMRSTS_CBAI_MASK)
    450 
    451 #define NVME_PMRSTS_SET_ERR(pmrsts, val)   \
    452     (pmrsts |= (uint64_t)(val & PMRSTS_ERR_MASK) << PMRSTS_ERR_SHIFT)
    453 #define NVME_PMRSTS_SET_NRDY(pmrsts, val)   \
    454     (pmrsts |= (uint64_t)(val & PMRSTS_NRDY_MASK) << PMRSTS_NRDY_SHIFT)
    455 #define NVME_PMRSTS_SET_HSTS(pmrsts, val)   \
    456     (pmrsts |= (uint64_t)(val & PMRSTS_HSTS_MASK) << PMRSTS_HSTS_SHIFT)
    457 #define NVME_PMRSTS_SET_CBAI(pmrsts, val)   \
    458     (pmrsts |= (uint64_t)(val & PMRSTS_CBAI_MASK) << PMRSTS_CBAI_SHIFT)
    459 
    460 enum NvmePmrebsShift {
    461     PMREBS_PMRSZU_SHIFT   = 0,
    462     PMREBS_RBB_SHIFT      = 4,
    463     PMREBS_PMRWBZ_SHIFT   = 8,
    464 };
    465 
    466 enum NvmePmrebsMask {
    467     PMREBS_PMRSZU_MASK   = 0xf,
    468     PMREBS_RBB_MASK      = 0x1,
    469     PMREBS_PMRWBZ_MASK   = 0xffffff,
    470 };
    471 
    472 #define NVME_PMREBS_PMRSZU(pmrebs)  \
    473     ((pmrebs >> PMREBS_PMRSZU_SHIFT)   & PMREBS_PMRSZU_MASK)
    474 #define NVME_PMREBS_RBB(pmrebs)     \
    475     ((pmrebs >> PMREBS_RBB_SHIFT)   & PMREBS_RBB_MASK)
    476 #define NVME_PMREBS_PMRWBZ(pmrebs)  \
    477     ((pmrebs >> PMREBS_PMRWBZ_SHIFT)   & PMREBS_PMRWBZ_MASK)
    478 
    479 #define NVME_PMREBS_SET_PMRSZU(pmrebs, val)   \
    480     (pmrebs |= (uint64_t)(val & PMREBS_PMRSZU_MASK) << PMREBS_PMRSZU_SHIFT)
    481 #define NVME_PMREBS_SET_RBB(pmrebs, val)   \
    482     (pmrebs |= (uint64_t)(val & PMREBS_RBB_MASK) << PMREBS_RBB_SHIFT)
    483 #define NVME_PMREBS_SET_PMRWBZ(pmrebs, val)   \
    484     (pmrebs |= (uint64_t)(val & PMREBS_PMRWBZ_MASK) << PMREBS_PMRWBZ_SHIFT)
    485 
    486 enum NvmePmrswtpShift {
    487     PMRSWTP_PMRSWTU_SHIFT   = 0,
    488     PMRSWTP_PMRSWTV_SHIFT   = 8,
    489 };
    490 
    491 enum NvmePmrswtpMask {
    492     PMRSWTP_PMRSWTU_MASK   = 0xf,
    493     PMRSWTP_PMRSWTV_MASK   = 0xffffff,
    494 };
    495 
    496 #define NVME_PMRSWTP_PMRSWTU(pmrswtp)   \
    497     ((pmrswtp >> PMRSWTP_PMRSWTU_SHIFT)   & PMRSWTP_PMRSWTU_MASK)
    498 #define NVME_PMRSWTP_PMRSWTV(pmrswtp)   \
    499     ((pmrswtp >> PMRSWTP_PMRSWTV_SHIFT)   & PMRSWTP_PMRSWTV_MASK)
    500 
    501 #define NVME_PMRSWTP_SET_PMRSWTU(pmrswtp, val)   \
    502     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTU_MASK) << PMRSWTP_PMRSWTU_SHIFT)
    503 #define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val)   \
    504     (pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
    505 
    506 enum NvmePmrmsclShift {
    507     PMRMSCL_CMSE_SHIFT   = 1,
    508     PMRMSCL_CBA_SHIFT    = 12,
    509 };
    510 
    511 enum NvmePmrmsclMask {
    512     PMRMSCL_CMSE_MASK   = 0x1,
    513     PMRMSCL_CBA_MASK    = 0xfffff,
    514 };
    515 
    516 #define NVME_PMRMSCL_CMSE(pmrmscl)    \
    517     ((pmrmscl >> PMRMSCL_CMSE_SHIFT)   & PMRMSCL_CMSE_MASK)
    518 #define NVME_PMRMSCL_CBA(pmrmscl)     \
    519     ((pmrmscl >> PMRMSCL_CBA_SHIFT)   & PMRMSCL_CBA_MASK)
    520 
    521 #define NVME_PMRMSCL_SET_CMSE(pmrmscl, val)   \
    522     (pmrmscl |= (uint32_t)(val & PMRMSCL_CMSE_MASK) << PMRMSCL_CMSE_SHIFT)
    523 #define NVME_PMRMSCL_SET_CBA(pmrmscl, val)   \
    524     (pmrmscl |= (uint32_t)(val & PMRMSCL_CBA_MASK) << PMRMSCL_CBA_SHIFT)
    525 
    526 enum NvmeSglDescriptorType {
    527     NVME_SGL_DESCR_TYPE_DATA_BLOCK          = 0x0,
    528     NVME_SGL_DESCR_TYPE_BIT_BUCKET          = 0x1,
    529     NVME_SGL_DESCR_TYPE_SEGMENT             = 0x2,
    530     NVME_SGL_DESCR_TYPE_LAST_SEGMENT        = 0x3,
    531     NVME_SGL_DESCR_TYPE_KEYED_DATA_BLOCK    = 0x4,
    532 
    533     NVME_SGL_DESCR_TYPE_VENDOR_SPECIFIC     = 0xf,
    534 };
    535 
    536 enum NvmeSglDescriptorSubtype {
    537     NVME_SGL_DESCR_SUBTYPE_ADDRESS = 0x0,
    538 };
    539 
    540 typedef struct QEMU_PACKED NvmeSglDescriptor {
    541     uint64_t addr;
    542     uint32_t len;
    543     uint8_t  rsvd[3];
    544     uint8_t  type;
    545 } NvmeSglDescriptor;
    546 
    547 #define NVME_SGL_TYPE(type)     ((type >> 4) & 0xf)
    548 #define NVME_SGL_SUBTYPE(type)  (type & 0xf)
    549 
    550 typedef union NvmeCmdDptr {
    551     struct {
    552         uint64_t    prp1;
    553         uint64_t    prp2;
    554     };
    555 
    556     NvmeSglDescriptor sgl;
    557 } NvmeCmdDptr;
    558 
    559 enum NvmePsdt {
    560     NVME_PSDT_PRP                 = 0x0,
    561     NVME_PSDT_SGL_MPTR_CONTIGUOUS = 0x1,
    562     NVME_PSDT_SGL_MPTR_SGL        = 0x2,
    563 };
    564 
    565 typedef struct QEMU_PACKED NvmeCmd {
    566     uint8_t     opcode;
    567     uint8_t     flags;
    568     uint16_t    cid;
    569     uint32_t    nsid;
    570     uint64_t    res1;
    571     uint64_t    mptr;
    572     NvmeCmdDptr dptr;
    573     uint32_t    cdw10;
    574     uint32_t    cdw11;
    575     uint32_t    cdw12;
    576     uint32_t    cdw13;
    577     uint32_t    cdw14;
    578     uint32_t    cdw15;
    579 } NvmeCmd;
    580 
    581 #define NVME_CMD_FLAGS_FUSE(flags) (flags & 0x3)
    582 #define NVME_CMD_FLAGS_PSDT(flags) ((flags >> 6) & 0x3)
    583 
    584 enum NvmeAdminCommands {
    585     NVME_ADM_CMD_DELETE_SQ      = 0x00,
    586     NVME_ADM_CMD_CREATE_SQ      = 0x01,
    587     NVME_ADM_CMD_GET_LOG_PAGE   = 0x02,
    588     NVME_ADM_CMD_DELETE_CQ      = 0x04,
    589     NVME_ADM_CMD_CREATE_CQ      = 0x05,
    590     NVME_ADM_CMD_IDENTIFY       = 0x06,
    591     NVME_ADM_CMD_ABORT          = 0x08,
    592     NVME_ADM_CMD_SET_FEATURES   = 0x09,
    593     NVME_ADM_CMD_GET_FEATURES   = 0x0a,
    594     NVME_ADM_CMD_ASYNC_EV_REQ   = 0x0c,
    595     NVME_ADM_CMD_ACTIVATE_FW    = 0x10,
    596     NVME_ADM_CMD_DOWNLOAD_FW    = 0x11,
    597     NVME_ADM_CMD_NS_ATTACHMENT  = 0x15,
    598     NVME_ADM_CMD_VIRT_MNGMT     = 0x1c,
    599     NVME_ADM_CMD_DBBUF_CONFIG   = 0x7c,
    600     NVME_ADM_CMD_FORMAT_NVM     = 0x80,
    601     NVME_ADM_CMD_SECURITY_SEND  = 0x81,
    602     NVME_ADM_CMD_SECURITY_RECV  = 0x82,
    603 };
    604 
    605 enum NvmeIoCommands {
    606     NVME_CMD_FLUSH              = 0x00,
    607     NVME_CMD_WRITE              = 0x01,
    608     NVME_CMD_READ               = 0x02,
    609     NVME_CMD_WRITE_UNCOR        = 0x04,
    610     NVME_CMD_COMPARE            = 0x05,
    611     NVME_CMD_WRITE_ZEROES       = 0x08,
    612     NVME_CMD_DSM                = 0x09,
    613     NVME_CMD_VERIFY             = 0x0c,
    614     NVME_CMD_COPY               = 0x19,
    615     NVME_CMD_ZONE_MGMT_SEND     = 0x79,
    616     NVME_CMD_ZONE_MGMT_RECV     = 0x7a,
    617     NVME_CMD_ZONE_APPEND        = 0x7d,
    618 };
    619 
    620 typedef struct QEMU_PACKED NvmeDeleteQ {
    621     uint8_t     opcode;
    622     uint8_t     flags;
    623     uint16_t    cid;
    624     uint32_t    rsvd1[9];
    625     uint16_t    qid;
    626     uint16_t    rsvd10;
    627     uint32_t    rsvd11[5];
    628 } NvmeDeleteQ;
    629 
    630 typedef struct QEMU_PACKED NvmeCreateCq {
    631     uint8_t     opcode;
    632     uint8_t     flags;
    633     uint16_t    cid;
    634     uint32_t    rsvd1[5];
    635     uint64_t    prp1;
    636     uint64_t    rsvd8;
    637     uint16_t    cqid;
    638     uint16_t    qsize;
    639     uint16_t    cq_flags;
    640     uint16_t    irq_vector;
    641     uint32_t    rsvd12[4];
    642 } NvmeCreateCq;
    643 
    644 #define NVME_CQ_FLAGS_PC(cq_flags)  (cq_flags & 0x1)
    645 #define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1)
    646 
    647 enum NvmeFlagsCq {
    648     NVME_CQ_PC          = 1,
    649     NVME_CQ_IEN         = 2,
    650 };
    651 
    652 typedef struct QEMU_PACKED NvmeCreateSq {
    653     uint8_t     opcode;
    654     uint8_t     flags;
    655     uint16_t    cid;
    656     uint32_t    rsvd1[5];
    657     uint64_t    prp1;
    658     uint64_t    rsvd8;
    659     uint16_t    sqid;
    660     uint16_t    qsize;
    661     uint16_t    sq_flags;
    662     uint16_t    cqid;
    663     uint32_t    rsvd12[4];
    664 } NvmeCreateSq;
    665 
    666 #define NVME_SQ_FLAGS_PC(sq_flags)      (sq_flags & 0x1)
    667 #define NVME_SQ_FLAGS_QPRIO(sq_flags)   ((sq_flags >> 1) & 0x3)
    668 
    669 enum NvmeFlagsSq {
    670     NVME_SQ_PC          = 1,
    671 
    672     NVME_SQ_PRIO_URGENT = 0,
    673     NVME_SQ_PRIO_HIGH   = 1,
    674     NVME_SQ_PRIO_NORMAL = 2,
    675     NVME_SQ_PRIO_LOW    = 3,
    676 };
    677 
    678 typedef struct QEMU_PACKED NvmeIdentify {
    679     uint8_t     opcode;
    680     uint8_t     flags;
    681     uint16_t    cid;
    682     uint32_t    nsid;
    683     uint64_t    rsvd2[2];
    684     uint64_t    prp1;
    685     uint64_t    prp2;
    686     uint8_t     cns;
    687     uint8_t     rsvd10;
    688     uint16_t    ctrlid;
    689     uint16_t    nvmsetid;
    690     uint8_t     rsvd11;
    691     uint8_t     csi;
    692     uint32_t    rsvd12[4];
    693 } NvmeIdentify;
    694 
    695 typedef struct QEMU_PACKED NvmeRwCmd {
    696     uint8_t     opcode;
    697     uint8_t     flags;
    698     uint16_t    cid;
    699     uint32_t    nsid;
    700     uint32_t    cdw2;
    701     uint32_t    cdw3;
    702     uint64_t    mptr;
    703     NvmeCmdDptr dptr;
    704     uint64_t    slba;
    705     uint16_t    nlb;
    706     uint16_t    control;
    707     uint32_t    dsmgmt;
    708     uint32_t    reftag;
    709     uint16_t    apptag;
    710     uint16_t    appmask;
    711 } NvmeRwCmd;
    712 
    713 enum {
    714     NVME_RW_LR                  = 1 << 15,
    715     NVME_RW_FUA                 = 1 << 14,
    716     NVME_RW_DSM_FREQ_UNSPEC     = 0,
    717     NVME_RW_DSM_FREQ_TYPICAL    = 1,
    718     NVME_RW_DSM_FREQ_RARE       = 2,
    719     NVME_RW_DSM_FREQ_READS      = 3,
    720     NVME_RW_DSM_FREQ_WRITES     = 4,
    721     NVME_RW_DSM_FREQ_RW         = 5,
    722     NVME_RW_DSM_FREQ_ONCE       = 6,
    723     NVME_RW_DSM_FREQ_PREFETCH   = 7,
    724     NVME_RW_DSM_FREQ_TEMP       = 8,
    725     NVME_RW_DSM_LATENCY_NONE    = 0 << 4,
    726     NVME_RW_DSM_LATENCY_IDLE    = 1 << 4,
    727     NVME_RW_DSM_LATENCY_NORM    = 2 << 4,
    728     NVME_RW_DSM_LATENCY_LOW     = 3 << 4,
    729     NVME_RW_DSM_SEQ_REQ         = 1 << 6,
    730     NVME_RW_DSM_COMPRESSED      = 1 << 7,
    731     NVME_RW_PIREMAP             = 1 << 9,
    732     NVME_RW_PRINFO_PRACT        = 1 << 13,
    733     NVME_RW_PRINFO_PRCHK_GUARD  = 1 << 12,
    734     NVME_RW_PRINFO_PRCHK_APP    = 1 << 11,
    735     NVME_RW_PRINFO_PRCHK_REF    = 1 << 10,
    736     NVME_RW_PRINFO_PRCHK_MASK   = 7 << 10,
    737 };
    738 
    739 #define NVME_RW_PRINFO(control) ((control >> 10) & 0xf)
    740 
    741 enum {
    742     NVME_PRINFO_PRACT       = 1 << 3,
    743     NVME_PRINFO_PRCHK_GUARD = 1 << 2,
    744     NVME_PRINFO_PRCHK_APP   = 1 << 1,
    745     NVME_PRINFO_PRCHK_REF   = 1 << 0,
    746     NVME_PRINFO_PRCHK_MASK  = 7 << 0,
    747 };
    748 
    749 typedef struct QEMU_PACKED NvmeDsmCmd {
    750     uint8_t     opcode;
    751     uint8_t     flags;
    752     uint16_t    cid;
    753     uint32_t    nsid;
    754     uint64_t    rsvd2[2];
    755     NvmeCmdDptr dptr;
    756     uint32_t    nr;
    757     uint32_t    attributes;
    758     uint32_t    rsvd12[4];
    759 } NvmeDsmCmd;
    760 
    761 enum {
    762     NVME_DSMGMT_IDR = 1 << 0,
    763     NVME_DSMGMT_IDW = 1 << 1,
    764     NVME_DSMGMT_AD  = 1 << 2,
    765 };
    766 
    767 typedef struct QEMU_PACKED NvmeDsmRange {
    768     uint32_t    cattr;
    769     uint32_t    nlb;
    770     uint64_t    slba;
    771 } NvmeDsmRange;
    772 
    773 enum {
    774     NVME_COPY_FORMAT_0 = 0x0,
    775     NVME_COPY_FORMAT_1 = 0x1,
    776 };
    777 
    778 typedef struct QEMU_PACKED NvmeCopyCmd {
    779     uint8_t     opcode;
    780     uint8_t     flags;
    781     uint16_t    cid;
    782     uint32_t    nsid;
    783     uint32_t    cdw2;
    784     uint32_t    cdw3;
    785     uint32_t    rsvd2[2];
    786     NvmeCmdDptr dptr;
    787     uint64_t    sdlba;
    788     uint8_t     nr;
    789     uint8_t     control[3];
    790     uint16_t    rsvd13;
    791     uint16_t    dspec;
    792     uint32_t    reftag;
    793     uint16_t    apptag;
    794     uint16_t    appmask;
    795 } NvmeCopyCmd;
    796 
    797 typedef struct QEMU_PACKED NvmeCopySourceRangeFormat0 {
    798     uint8_t  rsvd0[8];
    799     uint64_t slba;
    800     uint16_t nlb;
    801     uint8_t  rsvd18[6];
    802     uint32_t reftag;
    803     uint16_t apptag;
    804     uint16_t appmask;
    805 } NvmeCopySourceRangeFormat0;
    806 
    807 typedef struct QEMU_PACKED NvmeCopySourceRangeFormat1 {
    808     uint8_t  rsvd0[8];
    809     uint64_t slba;
    810     uint16_t nlb;
    811     uint8_t  rsvd18[8];
    812     uint8_t  sr[10];
    813     uint16_t apptag;
    814     uint16_t appmask;
    815 } NvmeCopySourceRangeFormat1;
    816 
    817 enum NvmeAsyncEventRequest {
    818     NVME_AER_TYPE_ERROR                     = 0,
    819     NVME_AER_TYPE_SMART                     = 1,
    820     NVME_AER_TYPE_NOTICE                    = 2,
    821     NVME_AER_TYPE_IO_SPECIFIC               = 6,
    822     NVME_AER_TYPE_VENDOR_SPECIFIC           = 7,
    823     NVME_AER_INFO_ERR_INVALID_DB_REGISTER   = 0,
    824     NVME_AER_INFO_ERR_INVALID_DB_VALUE      = 1,
    825     NVME_AER_INFO_ERR_DIAG_FAIL             = 2,
    826     NVME_AER_INFO_ERR_PERS_INTERNAL_ERR     = 3,
    827     NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR    = 4,
    828     NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR       = 5,
    829     NVME_AER_INFO_SMART_RELIABILITY         = 0,
    830     NVME_AER_INFO_SMART_TEMP_THRESH         = 1,
    831     NVME_AER_INFO_SMART_SPARE_THRESH        = 2,
    832     NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED    = 0,
    833 };
    834 
    835 typedef struct QEMU_PACKED NvmeAerResult {
    836     uint8_t event_type;
    837     uint8_t event_info;
    838     uint8_t log_page;
    839     uint8_t resv;
    840 } NvmeAerResult;
    841 
    842 typedef struct QEMU_PACKED NvmeZonedResult {
    843     uint64_t slba;
    844 } NvmeZonedResult;
    845 
    846 typedef struct QEMU_PACKED NvmeCqe {
    847     uint32_t    result;
    848     uint32_t    dw1;
    849     uint16_t    sq_head;
    850     uint16_t    sq_id;
    851     uint16_t    cid;
    852     uint16_t    status;
    853 } NvmeCqe;
    854 
    855 enum NvmeStatusCodes {
    856     NVME_SUCCESS                = 0x0000,
    857     NVME_INVALID_OPCODE         = 0x0001,
    858     NVME_INVALID_FIELD          = 0x0002,
    859     NVME_CID_CONFLICT           = 0x0003,
    860     NVME_DATA_TRAS_ERROR        = 0x0004,
    861     NVME_POWER_LOSS_ABORT       = 0x0005,
    862     NVME_INTERNAL_DEV_ERROR     = 0x0006,
    863     NVME_CMD_ABORT_REQ          = 0x0007,
    864     NVME_CMD_ABORT_SQ_DEL       = 0x0008,
    865     NVME_CMD_ABORT_FAILED_FUSE  = 0x0009,
    866     NVME_CMD_ABORT_MISSING_FUSE = 0x000a,
    867     NVME_INVALID_NSID           = 0x000b,
    868     NVME_CMD_SEQ_ERROR          = 0x000c,
    869     NVME_INVALID_SGL_SEG_DESCR  = 0x000d,
    870     NVME_INVALID_NUM_SGL_DESCRS = 0x000e,
    871     NVME_DATA_SGL_LEN_INVALID   = 0x000f,
    872     NVME_MD_SGL_LEN_INVALID     = 0x0010,
    873     NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
    874     NVME_INVALID_USE_OF_CMB     = 0x0012,
    875     NVME_INVALID_PRP_OFFSET     = 0x0013,
    876     NVME_CMD_SET_CMB_REJECTED   = 0x002b,
    877     NVME_INVALID_CMD_SET        = 0x002c,
    878     NVME_LBA_RANGE              = 0x0080,
    879     NVME_CAP_EXCEEDED           = 0x0081,
    880     NVME_NS_NOT_READY           = 0x0082,
    881     NVME_NS_RESV_CONFLICT       = 0x0083,
    882     NVME_FORMAT_IN_PROGRESS     = 0x0084,
    883     NVME_INVALID_CQID           = 0x0100,
    884     NVME_INVALID_QID            = 0x0101,
    885     NVME_MAX_QSIZE_EXCEEDED     = 0x0102,
    886     NVME_ACL_EXCEEDED           = 0x0103,
    887     NVME_RESERVED               = 0x0104,
    888     NVME_AER_LIMIT_EXCEEDED     = 0x0105,
    889     NVME_INVALID_FW_SLOT        = 0x0106,
    890     NVME_INVALID_FW_IMAGE       = 0x0107,
    891     NVME_INVALID_IRQ_VECTOR     = 0x0108,
    892     NVME_INVALID_LOG_ID         = 0x0109,
    893     NVME_INVALID_FORMAT         = 0x010a,
    894     NVME_FW_REQ_RESET           = 0x010b,
    895     NVME_INVALID_QUEUE_DEL      = 0x010c,
    896     NVME_FID_NOT_SAVEABLE       = 0x010d,
    897     NVME_FEAT_NOT_CHANGEABLE    = 0x010e,
    898     NVME_FEAT_NOT_NS_SPEC       = 0x010f,
    899     NVME_FW_REQ_SUSYSTEM_RESET  = 0x0110,
    900     NVME_NS_ALREADY_ATTACHED    = 0x0118,
    901     NVME_NS_PRIVATE             = 0x0119,
    902     NVME_NS_NOT_ATTACHED        = 0x011a,
    903     NVME_NS_CTRL_LIST_INVALID   = 0x011c,
    904     NVME_INVALID_CTRL_ID        = 0x011f,
    905     NVME_INVALID_SEC_CTRL_STATE = 0x0120,
    906     NVME_INVALID_NUM_RESOURCES  = 0x0121,
    907     NVME_INVALID_RESOURCE_ID    = 0x0122,
    908     NVME_CONFLICTING_ATTRS      = 0x0180,
    909     NVME_INVALID_PROT_INFO      = 0x0181,
    910     NVME_WRITE_TO_RO            = 0x0182,
    911     NVME_CMD_SIZE_LIMIT         = 0x0183,
    912     NVME_INVALID_ZONE_OP        = 0x01b6,
    913     NVME_NOZRWA                 = 0x01b7,
    914     NVME_ZONE_BOUNDARY_ERROR    = 0x01b8,
    915     NVME_ZONE_FULL              = 0x01b9,
    916     NVME_ZONE_READ_ONLY         = 0x01ba,
    917     NVME_ZONE_OFFLINE           = 0x01bb,
    918     NVME_ZONE_INVALID_WRITE     = 0x01bc,
    919     NVME_ZONE_TOO_MANY_ACTIVE   = 0x01bd,
    920     NVME_ZONE_TOO_MANY_OPEN     = 0x01be,
    921     NVME_ZONE_INVAL_TRANSITION  = 0x01bf,
    922     NVME_WRITE_FAULT            = 0x0280,
    923     NVME_UNRECOVERED_READ       = 0x0281,
    924     NVME_E2E_GUARD_ERROR        = 0x0282,
    925     NVME_E2E_APP_ERROR          = 0x0283,
    926     NVME_E2E_REF_ERROR          = 0x0284,
    927     NVME_CMP_FAILURE            = 0x0285,
    928     NVME_ACCESS_DENIED          = 0x0286,
    929     NVME_DULB                   = 0x0287,
    930     NVME_E2E_STORAGE_TAG_ERROR  = 0x0288,
    931     NVME_MORE                   = 0x2000,
    932     NVME_DNR                    = 0x4000,
    933     NVME_NO_COMPLETE            = 0xffff,
    934 };
    935 
    936 typedef struct QEMU_PACKED NvmeFwSlotInfoLog {
    937     uint8_t     afi;
    938     uint8_t     reserved1[7];
    939     uint8_t     frs1[8];
    940     uint8_t     frs2[8];
    941     uint8_t     frs3[8];
    942     uint8_t     frs4[8];
    943     uint8_t     frs5[8];
    944     uint8_t     frs6[8];
    945     uint8_t     frs7[8];
    946     uint8_t     reserved2[448];
    947 } NvmeFwSlotInfoLog;
    948 
    949 typedef struct QEMU_PACKED NvmeErrorLog {
    950     uint64_t    error_count;
    951     uint16_t    sqid;
    952     uint16_t    cid;
    953     uint16_t    status_field;
    954     uint16_t    param_error_location;
    955     uint64_t    lba;
    956     uint32_t    nsid;
    957     uint8_t     vs;
    958     uint8_t     resv[35];
    959 } NvmeErrorLog;
    960 
    961 typedef struct QEMU_PACKED NvmeSmartLog {
    962     uint8_t     critical_warning;
    963     uint16_t    temperature;
    964     uint8_t     available_spare;
    965     uint8_t     available_spare_threshold;
    966     uint8_t     percentage_used;
    967     uint8_t     reserved1[26];
    968     uint64_t    data_units_read[2];
    969     uint64_t    data_units_written[2];
    970     uint64_t    host_read_commands[2];
    971     uint64_t    host_write_commands[2];
    972     uint64_t    controller_busy_time[2];
    973     uint64_t    power_cycles[2];
    974     uint64_t    power_on_hours[2];
    975     uint64_t    unsafe_shutdowns[2];
    976     uint64_t    media_errors[2];
    977     uint64_t    number_of_error_log_entries[2];
    978     uint8_t     reserved2[320];
    979 } NvmeSmartLog;
    980 
    981 #define NVME_SMART_WARN_MAX     6
    982 enum NvmeSmartWarn {
    983     NVME_SMART_SPARE                  = 1 << 0,
    984     NVME_SMART_TEMPERATURE            = 1 << 1,
    985     NVME_SMART_RELIABILITY            = 1 << 2,
    986     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
    987     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
    988     NVME_SMART_PMR_UNRELIABLE         = 1 << 5,
    989 };
    990 
    991 typedef struct NvmeEffectsLog {
    992     uint32_t    acs[256];
    993     uint32_t    iocs[256];
    994     uint8_t     resv[2048];
    995 } NvmeEffectsLog;
    996 
    997 enum {
    998     NVME_CMD_EFF_CSUPP      = 1 << 0,
    999     NVME_CMD_EFF_LBCC       = 1 << 1,
   1000     NVME_CMD_EFF_NCC        = 1 << 2,
   1001     NVME_CMD_EFF_NIC        = 1 << 3,
   1002     NVME_CMD_EFF_CCC        = 1 << 4,
   1003     NVME_CMD_EFF_CSE_MASK   = 3 << 16,
   1004     NVME_CMD_EFF_UUID_SEL   = 1 << 19,
   1005 };
   1006 
   1007 enum NvmeLogIdentifier {
   1008     NVME_LOG_ERROR_INFO     = 0x01,
   1009     NVME_LOG_SMART_INFO     = 0x02,
   1010     NVME_LOG_FW_SLOT_INFO   = 0x03,
   1011     NVME_LOG_CHANGED_NSLIST = 0x04,
   1012     NVME_LOG_CMD_EFFECTS    = 0x05,
   1013 };
   1014 
   1015 typedef struct QEMU_PACKED NvmePSD {
   1016     uint16_t    mp;
   1017     uint16_t    reserved;
   1018     uint32_t    enlat;
   1019     uint32_t    exlat;
   1020     uint8_t     rrt;
   1021     uint8_t     rrl;
   1022     uint8_t     rwt;
   1023     uint8_t     rwl;
   1024     uint8_t     resv[16];
   1025 } NvmePSD;
   1026 
   1027 #define NVME_CONTROLLER_LIST_SIZE 2048
   1028 #define NVME_IDENTIFY_DATA_SIZE 4096
   1029 
   1030 enum NvmeIdCns {
   1031     NVME_ID_CNS_NS                    = 0x00,
   1032     NVME_ID_CNS_CTRL                  = 0x01,
   1033     NVME_ID_CNS_NS_ACTIVE_LIST        = 0x02,
   1034     NVME_ID_CNS_NS_DESCR_LIST         = 0x03,
   1035     NVME_ID_CNS_CS_NS                 = 0x05,
   1036     NVME_ID_CNS_CS_CTRL               = 0x06,
   1037     NVME_ID_CNS_CS_NS_ACTIVE_LIST     = 0x07,
   1038     NVME_ID_CNS_NS_PRESENT_LIST       = 0x10,
   1039     NVME_ID_CNS_NS_PRESENT            = 0x11,
   1040     NVME_ID_CNS_NS_ATTACHED_CTRL_LIST = 0x12,
   1041     NVME_ID_CNS_CTRL_LIST             = 0x13,
   1042     NVME_ID_CNS_PRIMARY_CTRL_CAP      = 0x14,
   1043     NVME_ID_CNS_SECONDARY_CTRL_LIST   = 0x15,
   1044     NVME_ID_CNS_CS_NS_PRESENT_LIST    = 0x1a,
   1045     NVME_ID_CNS_CS_NS_PRESENT         = 0x1b,
   1046     NVME_ID_CNS_IO_COMMAND_SET        = 0x1c,
   1047 };
   1048 
   1049 typedef struct QEMU_PACKED NvmeIdCtrl {
   1050     uint16_t    vid;
   1051     uint16_t    ssvid;
   1052     uint8_t     sn[20];
   1053     uint8_t     mn[40];
   1054     uint8_t     fr[8];
   1055     uint8_t     rab;
   1056     uint8_t     ieee[3];
   1057     uint8_t     cmic;
   1058     uint8_t     mdts;
   1059     uint16_t    cntlid;
   1060     uint32_t    ver;
   1061     uint32_t    rtd3r;
   1062     uint32_t    rtd3e;
   1063     uint32_t    oaes;
   1064     uint32_t    ctratt;
   1065     uint8_t     rsvd100[11];
   1066     uint8_t     cntrltype;
   1067     uint8_t     fguid[16];
   1068     uint8_t     rsvd128[128];
   1069     uint16_t    oacs;
   1070     uint8_t     acl;
   1071     uint8_t     aerl;
   1072     uint8_t     frmw;
   1073     uint8_t     lpa;
   1074     uint8_t     elpe;
   1075     uint8_t     npss;
   1076     uint8_t     avscc;
   1077     uint8_t     apsta;
   1078     uint16_t    wctemp;
   1079     uint16_t    cctemp;
   1080     uint16_t    mtfa;
   1081     uint32_t    hmpre;
   1082     uint32_t    hmmin;
   1083     uint8_t     tnvmcap[16];
   1084     uint8_t     unvmcap[16];
   1085     uint32_t    rpmbs;
   1086     uint16_t    edstt;
   1087     uint8_t     dsto;
   1088     uint8_t     fwug;
   1089     uint16_t    kas;
   1090     uint16_t    hctma;
   1091     uint16_t    mntmt;
   1092     uint16_t    mxtmt;
   1093     uint32_t    sanicap;
   1094     uint8_t     rsvd332[180];
   1095     uint8_t     sqes;
   1096     uint8_t     cqes;
   1097     uint16_t    maxcmd;
   1098     uint32_t    nn;
   1099     uint16_t    oncs;
   1100     uint16_t    fuses;
   1101     uint8_t     fna;
   1102     uint8_t     vwc;
   1103     uint16_t    awun;
   1104     uint16_t    awupf;
   1105     uint8_t     nvscc;
   1106     uint8_t     rsvd531;
   1107     uint16_t    acwu;
   1108     uint16_t    ocfs;
   1109     uint32_t    sgls;
   1110     uint8_t     rsvd540[228];
   1111     uint8_t     subnqn[256];
   1112     uint8_t     rsvd1024[1024];
   1113     NvmePSD     psd[32];
   1114     uint8_t     vs[1024];
   1115 } NvmeIdCtrl;
   1116 
   1117 typedef struct NvmeIdCtrlZoned {
   1118     uint8_t     zasl;
   1119     uint8_t     rsvd1[4095];
   1120 } NvmeIdCtrlZoned;
   1121 
   1122 typedef struct NvmeIdCtrlNvm {
   1123     uint8_t     vsl;
   1124     uint8_t     wzsl;
   1125     uint8_t     wusl;
   1126     uint8_t     dmrl;
   1127     uint32_t    dmrsl;
   1128     uint64_t    dmsl;
   1129     uint8_t     rsvd16[4080];
   1130 } NvmeIdCtrlNvm;
   1131 
   1132 enum NvmeIdCtrlOaes {
   1133     NVME_OAES_NS_ATTR   = 1 << 8,
   1134 };
   1135 
   1136 enum NvmeIdCtrlCtratt {
   1137     NVME_CTRATT_ELBAS   = 1 << 15,
   1138 };
   1139 
   1140 enum NvmeIdCtrlOacs {
   1141     NVME_OACS_SECURITY  = 1 << 0,
   1142     NVME_OACS_FORMAT    = 1 << 1,
   1143     NVME_OACS_FW        = 1 << 2,
   1144     NVME_OACS_NS_MGMT   = 1 << 3,
   1145     NVME_OACS_DBBUF     = 1 << 8,
   1146 };
   1147 
   1148 enum NvmeIdCtrlOncs {
   1149     NVME_ONCS_COMPARE       = 1 << 0,
   1150     NVME_ONCS_WRITE_UNCORR  = 1 << 1,
   1151     NVME_ONCS_DSM           = 1 << 2,
   1152     NVME_ONCS_WRITE_ZEROES  = 1 << 3,
   1153     NVME_ONCS_FEATURES      = 1 << 4,
   1154     NVME_ONCS_RESRVATIONS   = 1 << 5,
   1155     NVME_ONCS_TIMESTAMP     = 1 << 6,
   1156     NVME_ONCS_VERIFY        = 1 << 7,
   1157     NVME_ONCS_COPY          = 1 << 8,
   1158 };
   1159 
   1160 enum NvmeIdCtrlOcfs {
   1161     NVME_OCFS_COPY_FORMAT_0 = 1 << NVME_COPY_FORMAT_0,
   1162     NVME_OCFS_COPY_FORMAT_1 = 1 << NVME_COPY_FORMAT_1,
   1163 };
   1164 
   1165 enum NvmeIdctrlVwc {
   1166     NVME_VWC_PRESENT                    = 1 << 0,
   1167     NVME_VWC_NSID_BROADCAST_NO_SUPPORT  = 0 << 1,
   1168     NVME_VWC_NSID_BROADCAST_RESERVED    = 1 << 1,
   1169     NVME_VWC_NSID_BROADCAST_CTRL_SPEC   = 2 << 1,
   1170     NVME_VWC_NSID_BROADCAST_SUPPORT     = 3 << 1,
   1171 };
   1172 
   1173 enum NvmeIdCtrlFrmw {
   1174     NVME_FRMW_SLOT1_RO = 1 << 0,
   1175 };
   1176 
   1177 enum NvmeIdCtrlLpa {
   1178     NVME_LPA_NS_SMART = 1 << 0,
   1179     NVME_LPA_CSE      = 1 << 1,
   1180     NVME_LPA_EXTENDED = 1 << 2,
   1181 };
   1182 
   1183 enum NvmeIdCtrlCmic {
   1184     NVME_CMIC_MULTI_CTRL    = 1 << 1,
   1185 };
   1186 
   1187 enum NvmeNsAttachmentOperation {
   1188     NVME_NS_ATTACHMENT_ATTACH = 0x0,
   1189     NVME_NS_ATTACHMENT_DETACH = 0x1,
   1190 };
   1191 
   1192 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
   1193 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
   1194 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
   1195 #define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf)
   1196 
   1197 #define NVME_CTRL_SGLS_SUPPORT_MASK        (0x3 <<  0)
   1198 #define NVME_CTRL_SGLS_SUPPORT_NO_ALIGN    (0x1 <<  0)
   1199 #define NVME_CTRL_SGLS_SUPPORT_DWORD_ALIGN (0x1 <<  1)
   1200 #define NVME_CTRL_SGLS_KEYED               (0x1 <<  2)
   1201 #define NVME_CTRL_SGLS_BITBUCKET           (0x1 << 16)
   1202 #define NVME_CTRL_SGLS_MPTR_CONTIGUOUS     (0x1 << 17)
   1203 #define NVME_CTRL_SGLS_EXCESS_LENGTH       (0x1 << 18)
   1204 #define NVME_CTRL_SGLS_MPTR_SGL            (0x1 << 19)
   1205 #define NVME_CTRL_SGLS_ADDR_OFFSET         (0x1 << 20)
   1206 
   1207 #define NVME_ARB_AB(arb)    (arb & 0x7)
   1208 #define NVME_ARB_AB_NOLIMIT 0x7
   1209 #define NVME_ARB_LPW(arb)   ((arb >> 8) & 0xff)
   1210 #define NVME_ARB_MPW(arb)   ((arb >> 16) & 0xff)
   1211 #define NVME_ARB_HPW(arb)   ((arb >> 24) & 0xff)
   1212 
   1213 #define NVME_INTC_THR(intc)     (intc & 0xff)
   1214 #define NVME_INTC_TIME(intc)    ((intc >> 8) & 0xff)
   1215 
   1216 #define NVME_INTVC_NOCOALESCING (0x1 << 16)
   1217 
   1218 #define NVME_TEMP_THSEL(temp)  ((temp >> 20) & 0x3)
   1219 #define NVME_TEMP_THSEL_OVER   0x0
   1220 #define NVME_TEMP_THSEL_UNDER  0x1
   1221 
   1222 #define NVME_TEMP_TMPSEL(temp)     ((temp >> 16) & 0xf)
   1223 #define NVME_TEMP_TMPSEL_COMPOSITE 0x0
   1224 
   1225 #define NVME_TEMP_TMPTH(temp) (temp & 0xffff)
   1226 
   1227 #define NVME_AEC_SMART(aec)         (aec & 0xff)
   1228 #define NVME_AEC_NS_ATTR(aec)       ((aec >> 8) & 0x1)
   1229 #define NVME_AEC_FW_ACTIVATION(aec) ((aec >> 9) & 0x1)
   1230 
   1231 #define NVME_ERR_REC_TLER(err_rec)  (err_rec & 0xffff)
   1232 #define NVME_ERR_REC_DULBE(err_rec) (err_rec & 0x10000)
   1233 
   1234 enum NvmeFeatureIds {
   1235     NVME_ARBITRATION                = 0x1,
   1236     NVME_POWER_MANAGEMENT           = 0x2,
   1237     NVME_LBA_RANGE_TYPE             = 0x3,
   1238     NVME_TEMPERATURE_THRESHOLD      = 0x4,
   1239     NVME_ERROR_RECOVERY             = 0x5,
   1240     NVME_VOLATILE_WRITE_CACHE       = 0x6,
   1241     NVME_NUMBER_OF_QUEUES           = 0x7,
   1242     NVME_INTERRUPT_COALESCING       = 0x8,
   1243     NVME_INTERRUPT_VECTOR_CONF      = 0x9,
   1244     NVME_WRITE_ATOMICITY            = 0xa,
   1245     NVME_ASYNCHRONOUS_EVENT_CONF    = 0xb,
   1246     NVME_TIMESTAMP                  = 0xe,
   1247     NVME_HOST_BEHAVIOR_SUPPORT      = 0x16,
   1248     NVME_COMMAND_SET_PROFILE        = 0x19,
   1249     NVME_SOFTWARE_PROGRESS_MARKER   = 0x80,
   1250     NVME_FID_MAX                    = 0x100,
   1251 };
   1252 
   1253 typedef enum NvmeFeatureCap {
   1254     NVME_FEAT_CAP_SAVE      = 1 << 0,
   1255     NVME_FEAT_CAP_NS        = 1 << 1,
   1256     NVME_FEAT_CAP_CHANGE    = 1 << 2,
   1257 } NvmeFeatureCap;
   1258 
   1259 typedef enum NvmeGetFeatureSelect {
   1260     NVME_GETFEAT_SELECT_CURRENT = 0x0,
   1261     NVME_GETFEAT_SELECT_DEFAULT = 0x1,
   1262     NVME_GETFEAT_SELECT_SAVED   = 0x2,
   1263     NVME_GETFEAT_SELECT_CAP     = 0x3,
   1264 } NvmeGetFeatureSelect;
   1265 
   1266 #define NVME_GETSETFEAT_FID_MASK 0xff
   1267 #define NVME_GETSETFEAT_FID(dw10) (dw10 & NVME_GETSETFEAT_FID_MASK)
   1268 
   1269 #define NVME_GETFEAT_SELECT_SHIFT 8
   1270 #define NVME_GETFEAT_SELECT_MASK  0x7
   1271 #define NVME_GETFEAT_SELECT(dw10) \
   1272     ((dw10 >> NVME_GETFEAT_SELECT_SHIFT) & NVME_GETFEAT_SELECT_MASK)
   1273 
   1274 #define NVME_SETFEAT_SAVE_SHIFT 31
   1275 #define NVME_SETFEAT_SAVE_MASK  0x1
   1276 #define NVME_SETFEAT_SAVE(dw10) \
   1277     ((dw10 >> NVME_SETFEAT_SAVE_SHIFT) & NVME_SETFEAT_SAVE_MASK)
   1278 
   1279 typedef struct QEMU_PACKED NvmeRangeType {
   1280     uint8_t     type;
   1281     uint8_t     attributes;
   1282     uint8_t     rsvd2[14];
   1283     uint64_t    slba;
   1284     uint64_t    nlb;
   1285     uint8_t     guid[16];
   1286     uint8_t     rsvd48[16];
   1287 } NvmeRangeType;
   1288 
   1289 typedef struct NvmeHostBehaviorSupport {
   1290     uint8_t     acre;
   1291     uint8_t     etdas;
   1292     uint8_t     lbafee;
   1293     uint8_t     rsvd3[509];
   1294 } NvmeHostBehaviorSupport;
   1295 
   1296 typedef struct QEMU_PACKED NvmeLBAF {
   1297     uint16_t    ms;
   1298     uint8_t     ds;
   1299     uint8_t     rp;
   1300 } NvmeLBAF;
   1301 
   1302 typedef struct QEMU_PACKED NvmeLBAFE {
   1303     uint64_t    zsze;
   1304     uint8_t     zdes;
   1305     uint8_t     rsvd9[7];
   1306 } NvmeLBAFE;
   1307 
   1308 #define NVME_NSID_BROADCAST 0xffffffff
   1309 #define NVME_MAX_NLBAF 64
   1310 
   1311 typedef struct QEMU_PACKED NvmeIdNs {
   1312     uint64_t    nsze;
   1313     uint64_t    ncap;
   1314     uint64_t    nuse;
   1315     uint8_t     nsfeat;
   1316     uint8_t     nlbaf;
   1317     uint8_t     flbas;
   1318     uint8_t     mc;
   1319     uint8_t     dpc;
   1320     uint8_t     dps;
   1321     uint8_t     nmic;
   1322     uint8_t     rescap;
   1323     uint8_t     fpi;
   1324     uint8_t     dlfeat;
   1325     uint16_t    nawun;
   1326     uint16_t    nawupf;
   1327     uint16_t    nacwu;
   1328     uint16_t    nabsn;
   1329     uint16_t    nabo;
   1330     uint16_t    nabspf;
   1331     uint16_t    noiob;
   1332     uint8_t     nvmcap[16];
   1333     uint16_t    npwg;
   1334     uint16_t    npwa;
   1335     uint16_t    npdg;
   1336     uint16_t    npda;
   1337     uint16_t    nows;
   1338     uint16_t    mssrl;
   1339     uint32_t    mcl;
   1340     uint8_t     msrc;
   1341     uint8_t     rsvd81[23];
   1342     uint8_t     nguid[16];
   1343     uint64_t    eui64;
   1344     NvmeLBAF    lbaf[NVME_MAX_NLBAF];
   1345     uint8_t     vs[3712];
   1346 } NvmeIdNs;
   1347 
   1348 #define NVME_ID_NS_NVM_ELBAF_PIF(elbaf) (((elbaf) >> 7) & 0x3)
   1349 
   1350 typedef struct QEMU_PACKED NvmeIdNsNvm {
   1351     uint64_t    lbstm;
   1352     uint8_t     pic;
   1353     uint8_t     rsvd9[3];
   1354     uint32_t    elbaf[NVME_MAX_NLBAF];
   1355     uint8_t     rsvd268[3828];
   1356 } NvmeIdNsNvm;
   1357 
   1358 typedef struct QEMU_PACKED NvmeIdNsDescr {
   1359     uint8_t nidt;
   1360     uint8_t nidl;
   1361     uint8_t rsvd2[2];
   1362 } NvmeIdNsDescr;
   1363 
   1364 enum NvmeNsIdentifierLength {
   1365     NVME_NIDL_EUI64             = 8,
   1366     NVME_NIDL_NGUID             = 16,
   1367     NVME_NIDL_UUID              = 16,
   1368     NVME_NIDL_CSI               = 1,
   1369 };
   1370 
   1371 enum NvmeNsIdentifierType {
   1372     NVME_NIDT_EUI64             = 0x01,
   1373     NVME_NIDT_NGUID             = 0x02,
   1374     NVME_NIDT_UUID              = 0x03,
   1375     NVME_NIDT_CSI               = 0x04,
   1376 };
   1377 
   1378 enum NvmeIdNsNmic {
   1379     NVME_NMIC_NS_SHARED         = 1 << 0,
   1380 };
   1381 
   1382 enum NvmeCsi {
   1383     NVME_CSI_NVM                = 0x00,
   1384     NVME_CSI_ZONED              = 0x02,
   1385 };
   1386 
   1387 #define NVME_SET_CSI(vec, csi) (vec |= (uint8_t)(1 << (csi)))
   1388 
   1389 typedef struct QEMU_PACKED NvmeIdNsZoned {
   1390     uint16_t    zoc;
   1391     uint16_t    ozcs;
   1392     uint32_t    mar;
   1393     uint32_t    mor;
   1394     uint32_t    rrl;
   1395     uint32_t    frl;
   1396     uint8_t     rsvd12[24];
   1397     uint32_t    numzrwa;
   1398     uint16_t    zrwafg;
   1399     uint16_t    zrwas;
   1400     uint8_t     zrwacap;
   1401     uint8_t     rsvd53[2763];
   1402     NvmeLBAFE   lbafe[16];
   1403     uint8_t     rsvd3072[768];
   1404     uint8_t     vs[256];
   1405 } NvmeIdNsZoned;
   1406 
   1407 enum NvmeIdNsZonedOzcs {
   1408     NVME_ID_NS_ZONED_OZCS_RAZB    = 1 << 0,
   1409     NVME_ID_NS_ZONED_OZCS_ZRWASUP = 1 << 1,
   1410 };
   1411 
   1412 enum NvmeIdNsZonedZrwacap {
   1413     NVME_ID_NS_ZONED_ZRWACAP_EXPFLUSHSUP = 1 << 0,
   1414 };
   1415 
   1416 /*Deallocate Logical Block Features*/
   1417 #define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat)       ((dlfeat) & 0x10)
   1418 #define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat)    ((dlfeat) & 0x08)
   1419 
   1420 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR(dlfeat)     ((dlfeat) & 0x7)
   1421 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_UNDEFINED   0
   1422 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ZEROES      1
   1423 #define NVME_ID_NS_DLFEAT_READ_BEHAVIOR_ONES        2
   1424 
   1425 
   1426 #define NVME_ID_NS_NSFEAT_THIN(nsfeat)      ((nsfeat & 0x1))
   1427 #define NVME_ID_NS_NSFEAT_DULBE(nsfeat)     ((nsfeat >> 2) & 0x1)
   1428 #define NVME_ID_NS_FLBAS_EXTENDED(flbas)    ((flbas >> 4) & 0x1)
   1429 #define NVME_ID_NS_FLBAS_INDEX(flbas)       ((flbas & 0xf))
   1430 #define NVME_ID_NS_MC_SEPARATE(mc)          ((mc >> 1) & 0x1)
   1431 #define NVME_ID_NS_MC_EXTENDED(mc)          ((mc & 0x1))
   1432 #define NVME_ID_NS_DPC_LAST_EIGHT(dpc)      ((dpc >> 4) & 0x1)
   1433 #define NVME_ID_NS_DPC_FIRST_EIGHT(dpc)     ((dpc >> 3) & 0x1)
   1434 #define NVME_ID_NS_DPC_TYPE_3(dpc)          ((dpc >> 2) & 0x1)
   1435 #define NVME_ID_NS_DPC_TYPE_2(dpc)          ((dpc >> 1) & 0x1)
   1436 #define NVME_ID_NS_DPC_TYPE_1(dpc)          ((dpc & 0x1))
   1437 #define NVME_ID_NS_DPC_TYPE_MASK            0x7
   1438 
   1439 enum NvmeIdNsDps {
   1440     NVME_ID_NS_DPS_TYPE_NONE   = 0,
   1441     NVME_ID_NS_DPS_TYPE_1      = 1,
   1442     NVME_ID_NS_DPS_TYPE_2      = 2,
   1443     NVME_ID_NS_DPS_TYPE_3      = 3,
   1444     NVME_ID_NS_DPS_TYPE_MASK   = 0x7,
   1445     NVME_ID_NS_DPS_FIRST_EIGHT = 8,
   1446 };
   1447 
   1448 enum NvmeIdNsFlbas {
   1449     NVME_ID_NS_FLBAS_EXTENDED = 1 << 4,
   1450 };
   1451 
   1452 enum NvmeIdNsMc {
   1453     NVME_ID_NS_MC_EXTENDED = 1 << 0,
   1454     NVME_ID_NS_MC_SEPARATE = 1 << 1,
   1455 };
   1456 
   1457 #define NVME_ID_NS_DPS_TYPE(dps) (dps & NVME_ID_NS_DPS_TYPE_MASK)
   1458 
   1459 enum NvmePIFormat {
   1460     NVME_PI_GUARD_16                 = 0,
   1461     NVME_PI_GUARD_64                 = 2,
   1462 };
   1463 
   1464 typedef union NvmeDifTuple {
   1465     struct {
   1466         uint16_t guard;
   1467         uint16_t apptag;
   1468         uint32_t reftag;
   1469     } g16;
   1470 
   1471     struct {
   1472         uint64_t guard;
   1473         uint16_t apptag;
   1474         uint8_t  sr[6];
   1475     } g64;
   1476 } NvmeDifTuple;
   1477 
   1478 enum NvmeZoneAttr {
   1479     NVME_ZA_FINISHED_BY_CTLR         = 1 << 0,
   1480     NVME_ZA_FINISH_RECOMMENDED       = 1 << 1,
   1481     NVME_ZA_RESET_RECOMMENDED        = 1 << 2,
   1482     NVME_ZA_ZRWA_VALID               = 1 << 3,
   1483     NVME_ZA_ZD_EXT_VALID             = 1 << 7,
   1484 };
   1485 
   1486 typedef struct QEMU_PACKED NvmeZoneReportHeader {
   1487     uint64_t    nr_zones;
   1488     uint8_t     rsvd[56];
   1489 } NvmeZoneReportHeader;
   1490 
   1491 enum NvmeZoneReceiveAction {
   1492     NVME_ZONE_REPORT                 = 0,
   1493     NVME_ZONE_REPORT_EXTENDED        = 1,
   1494 };
   1495 
   1496 enum NvmeZoneReportType {
   1497     NVME_ZONE_REPORT_ALL             = 0,
   1498     NVME_ZONE_REPORT_EMPTY           = 1,
   1499     NVME_ZONE_REPORT_IMPLICITLY_OPEN = 2,
   1500     NVME_ZONE_REPORT_EXPLICITLY_OPEN = 3,
   1501     NVME_ZONE_REPORT_CLOSED          = 4,
   1502     NVME_ZONE_REPORT_FULL            = 5,
   1503     NVME_ZONE_REPORT_READ_ONLY       = 6,
   1504     NVME_ZONE_REPORT_OFFLINE         = 7,
   1505 };
   1506 
   1507 enum NvmeZoneType {
   1508     NVME_ZONE_TYPE_RESERVED          = 0x00,
   1509     NVME_ZONE_TYPE_SEQ_WRITE         = 0x02,
   1510 };
   1511 
   1512 typedef struct QEMU_PACKED NvmeZoneSendCmd {
   1513     uint8_t     opcode;
   1514     uint8_t     flags;
   1515     uint16_t    cid;
   1516     uint32_t    nsid;
   1517     uint32_t    rsvd8[4];
   1518     NvmeCmdDptr dptr;
   1519     uint64_t    slba;
   1520     uint32_t    rsvd48;
   1521     uint8_t     zsa;
   1522     uint8_t     zsflags;
   1523     uint8_t     rsvd54[2];
   1524     uint32_t    rsvd56[2];
   1525 } NvmeZoneSendCmd;
   1526 
   1527 enum NvmeZoneSendAction {
   1528     NVME_ZONE_ACTION_RSD             = 0x00,
   1529     NVME_ZONE_ACTION_CLOSE           = 0x01,
   1530     NVME_ZONE_ACTION_FINISH          = 0x02,
   1531     NVME_ZONE_ACTION_OPEN            = 0x03,
   1532     NVME_ZONE_ACTION_RESET           = 0x04,
   1533     NVME_ZONE_ACTION_OFFLINE         = 0x05,
   1534     NVME_ZONE_ACTION_SET_ZD_EXT      = 0x10,
   1535     NVME_ZONE_ACTION_ZRWA_FLUSH      = 0x11,
   1536 };
   1537 
   1538 enum {
   1539     NVME_ZSFLAG_SELECT_ALL = 1 << 0,
   1540     NVME_ZSFLAG_ZRWA_ALLOC = 1 << 1,
   1541 };
   1542 
   1543 typedef struct QEMU_PACKED NvmeZoneDescr {
   1544     uint8_t     zt;
   1545     uint8_t     zs;
   1546     uint8_t     za;
   1547     uint8_t     rsvd3[5];
   1548     uint64_t    zcap;
   1549     uint64_t    zslba;
   1550     uint64_t    wp;
   1551     uint8_t     rsvd32[32];
   1552 } NvmeZoneDescr;
   1553 
   1554 typedef enum NvmeZoneState {
   1555     NVME_ZONE_STATE_RESERVED         = 0x00,
   1556     NVME_ZONE_STATE_EMPTY            = 0x01,
   1557     NVME_ZONE_STATE_IMPLICITLY_OPEN  = 0x02,
   1558     NVME_ZONE_STATE_EXPLICITLY_OPEN  = 0x03,
   1559     NVME_ZONE_STATE_CLOSED           = 0x04,
   1560     NVME_ZONE_STATE_READ_ONLY        = 0x0d,
   1561     NVME_ZONE_STATE_FULL             = 0x0e,
   1562     NVME_ZONE_STATE_OFFLINE          = 0x0f,
   1563 } NvmeZoneState;
   1564 
   1565 typedef struct QEMU_PACKED NvmePriCtrlCap {
   1566     uint16_t    cntlid;
   1567     uint16_t    portid;
   1568     uint8_t     crt;
   1569     uint8_t     rsvd5[27];
   1570     uint32_t    vqfrt;
   1571     uint32_t    vqrfa;
   1572     uint16_t    vqrfap;
   1573     uint16_t    vqprt;
   1574     uint16_t    vqfrsm;
   1575     uint16_t    vqgran;
   1576     uint8_t     rsvd48[16];
   1577     uint32_t    vifrt;
   1578     uint32_t    virfa;
   1579     uint16_t    virfap;
   1580     uint16_t    viprt;
   1581     uint16_t    vifrsm;
   1582     uint16_t    vigran;
   1583     uint8_t     rsvd80[4016];
   1584 } NvmePriCtrlCap;
   1585 
   1586 typedef enum NvmePriCtrlCapCrt {
   1587     NVME_CRT_VQ             = 1 << 0,
   1588     NVME_CRT_VI             = 1 << 1,
   1589 } NvmePriCtrlCapCrt;
   1590 
   1591 typedef struct QEMU_PACKED NvmeSecCtrlEntry {
   1592     uint16_t    scid;
   1593     uint16_t    pcid;
   1594     uint8_t     scs;
   1595     uint8_t     rsvd5[3];
   1596     uint16_t    vfn;
   1597     uint16_t    nvq;
   1598     uint16_t    nvi;
   1599     uint8_t     rsvd14[18];
   1600 } NvmeSecCtrlEntry;
   1601 
   1602 typedef struct QEMU_PACKED NvmeSecCtrlList {
   1603     uint8_t             numcntl;
   1604     uint8_t             rsvd1[31];
   1605     NvmeSecCtrlEntry    sec[127];
   1606 } NvmeSecCtrlList;
   1607 
   1608 typedef enum NvmeVirtMngmtAction {
   1609     NVME_VIRT_MNGMT_ACTION_PRM_ALLOC    = 0x01,
   1610     NVME_VIRT_MNGMT_ACTION_SEC_OFFLINE  = 0x07,
   1611     NVME_VIRT_MNGMT_ACTION_SEC_ASSIGN   = 0x08,
   1612     NVME_VIRT_MNGMT_ACTION_SEC_ONLINE   = 0x09,
   1613 } NvmeVirtMngmtAction;
   1614 
   1615 typedef enum NvmeVirtualResourceType {
   1616     NVME_VIRT_RES_QUEUE         = 0x00,
   1617     NVME_VIRT_RES_INTERRUPT     = 0x01,
   1618 } NvmeVirtualResourceType;
   1619 
   1620 static inline void _nvme_check_size(void)
   1621 {
   1622     QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
   1623     QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
   1624     QEMU_BUILD_BUG_ON(sizeof(NvmeZonedResult) != 8);
   1625     QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
   1626     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
   1627     QEMU_BUILD_BUG_ON(sizeof(NvmeCopySourceRangeFormat0) != 32);
   1628     QEMU_BUILD_BUG_ON(sizeof(NvmeCopySourceRangeFormat1) != 40);
   1629     QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
   1630     QEMU_BUILD_BUG_ON(sizeof(NvmeDeleteQ) != 64);
   1631     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateCq) != 64);
   1632     QEMU_BUILD_BUG_ON(sizeof(NvmeCreateSq) != 64);
   1633     QEMU_BUILD_BUG_ON(sizeof(NvmeIdentify) != 64);
   1634     QEMU_BUILD_BUG_ON(sizeof(NvmeRwCmd) != 64);
   1635     QEMU_BUILD_BUG_ON(sizeof(NvmeDsmCmd) != 64);
   1636     QEMU_BUILD_BUG_ON(sizeof(NvmeCopyCmd) != 64);
   1637     QEMU_BUILD_BUG_ON(sizeof(NvmeRangeType) != 64);
   1638     QEMU_BUILD_BUG_ON(sizeof(NvmeHostBehaviorSupport) != 512);
   1639     QEMU_BUILD_BUG_ON(sizeof(NvmeErrorLog) != 64);
   1640     QEMU_BUILD_BUG_ON(sizeof(NvmeFwSlotInfoLog) != 512);
   1641     QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
   1642     QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) != 4096);
   1643     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
   1644     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlZoned) != 4096);
   1645     QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlNvm) != 4096);
   1646     QEMU_BUILD_BUG_ON(sizeof(NvmeLBAF) != 4);
   1647     QEMU_BUILD_BUG_ON(sizeof(NvmeLBAFE) != 16);
   1648     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
   1649     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsNvm) != 4096);
   1650     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsZoned) != 4096);
   1651     QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16);
   1652     QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
   1653     QEMU_BUILD_BUG_ON(sizeof(NvmeZoneDescr) != 64);
   1654     QEMU_BUILD_BUG_ON(sizeof(NvmeDifTuple) != 16);
   1655     QEMU_BUILD_BUG_ON(sizeof(NvmePriCtrlCap) != 4096);
   1656     QEMU_BUILD_BUG_ON(sizeof(NvmeSecCtrlEntry) != 32);
   1657     QEMU_BUILD_BUG_ON(sizeof(NvmeSecCtrlList) != 4096);
   1658 }
   1659 #endif