hw/nvme/dif.h

   1 #ifndef HW_NVME_DIF_H
   2 #define HW_NVME_DIF_H
   3
   4 /* from Linux kernel (crypto/crct10dif_common.c) */
   5 static const uint16_t crc16_t10dif_table[256] = {
   6     0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B,
   7     0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6,
   8     0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6,
   9     0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B,
  10     0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1,
  11     0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C,
  12     0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C,
  13     0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781,
  14     0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8,
  15     0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255,
  16     0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925,
  17     0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698,
  18     0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472,
  19     0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF,
  20     0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF,
  21     0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02,
  22     0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA,
  23     0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067,
  24     0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17,
  25     0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA,
  26     0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640,
  27     0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD,
  28     0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D,
  29     0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30,
  30     0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759,
  31     0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4,
  32     0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394,
  33     0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29,
  34     0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3,
  35     0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E,
  36     0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E,
  37     0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3
  38 };
  39
  40 #define CRC64_NVME_POLY 0x9A6C9329AC4BC9B5ULL
  41
  42 static const uint64_t crc64_nvme_table[] = {
  43     0x0000000000000000ULL, 0x7F6EF0C830358979ULL,
  44     0xFEDDE190606B12F2ULL, 0x81B31158505E9B8BULL,
  45     0xC962E5739841B68FULL, 0xB60C15BBA8743FF6ULL,
  46     0x37BF04E3F82AA47DULL, 0x48D1F42BC81F2D04ULL,
  47     0xA61CECB46814FE75ULL, 0xD9721C7C5821770CULL,
  48     0x58C10D24087FEC87ULL, 0x27AFFDEC384A65FEULL,
  49     0x6F7E09C7F05548FAULL, 0x1010F90FC060C183ULL,
  50     0x91A3E857903E5A08ULL, 0xEECD189FA00BD371ULL,
  51     0x78E0FF3B88BE6F81ULL, 0x078E0FF3B88BE6F8ULL,
  52     0x863D1EABE8D57D73ULL, 0xF953EE63D8E0F40AULL,
  53     0xB1821A4810FFD90EULL, 0xCEECEA8020CA5077ULL,
  54     0x4F5FFBD87094CBFCULL, 0x30310B1040A14285ULL,
  55     0xDEFC138FE0AA91F4ULL, 0xA192E347D09F188DULL,
  56     0x2021F21F80C18306ULL, 0x5F4F02D7B0F40A7FULL,
  57     0x179EF6FC78EB277BULL, 0x68F0063448DEAE02ULL,
  58     0xE943176C18803589ULL, 0x962DE7A428B5BCF0ULL,
  59     0xF1C1FE77117CDF02ULL, 0x8EAF0EBF2149567BULL,
  60     0x0F1C1FE77117CDF0ULL, 0x7072EF2F41224489ULL,
  61     0x38A31B04893D698DULL, 0x47CDEBCCB908E0F4ULL,
  62     0xC67EFA94E9567B7FULL, 0xB9100A5CD963F206ULL,
  63     0x57DD12C379682177ULL, 0x28B3E20B495DA80EULL,
  64     0xA900F35319033385ULL, 0xD66E039B2936BAFCULL,
  65     0x9EBFF7B0E12997F8ULL, 0xE1D10778D11C1E81ULL,
  66     0x606216208142850AULL, 0x1F0CE6E8B1770C73ULL,
  67     0x8921014C99C2B083ULL, 0xF64FF184A9F739FAULL,
  68     0x77FCE0DCF9A9A271ULL, 0x08921014C99C2B08ULL,
  69     0x4043E43F0183060CULL, 0x3F2D14F731B68F75ULL,
  70     0xBE9E05AF61E814FEULL, 0xC1F0F56751DD9D87ULL,
  71     0x2F3DEDF8F1D64EF6ULL, 0x50531D30C1E3C78FULL,
  72     0xD1E00C6891BD5C04ULL, 0xAE8EFCA0A188D57DULL,
  73     0xE65F088B6997F879ULL, 0x9931F84359A27100ULL,
  74     0x1882E91B09FCEA8BULL, 0x67EC19D339C963F2ULL,
  75     0xD75ADABD7A6E2D6FULL, 0xA8342A754A5BA416ULL,
  76     0x29873B2D1A053F9DULL, 0x56E9CBE52A30B6E4ULL,
  77     0x1E383FCEE22F9BE0ULL, 0x6156CF06D21A1299ULL,
  78     0xE0E5DE5E82448912ULL, 0x9F8B2E96B271006BULL,
  79     0x71463609127AD31AULL, 0x0E28C6C1224F5A63ULL,
  80     0x8F9BD7997211C1E8ULL, 0xF0F5275142244891ULL,
  81     0xB824D37A8A3B6595ULL, 0xC74A23B2BA0EECECULL,
  82     0x46F932EAEA507767ULL, 0x3997C222DA65FE1EULL,
  83     0xAFBA2586F2D042EEULL, 0xD0D4D54EC2E5CB97ULL,
  84     0x5167C41692BB501CULL, 0x2E0934DEA28ED965ULL,
  85     0x66D8C0F56A91F461ULL, 0x19B6303D5AA47D18ULL,
  86     0x980521650AFAE693ULL, 0xE76BD1AD3ACF6FEAULL,
  87     0x09A6C9329AC4BC9BULL, 0x76C839FAAAF135E2ULL,
  88     0xF77B28A2FAAFAE69ULL, 0x8815D86ACA9A2710ULL,
  89     0xC0C42C4102850A14ULL, 0xBFAADC8932B0836DULL,
  90     0x3E19CDD162EE18E6ULL, 0x41773D1952DB919FULL,
  91     0x269B24CA6B12F26DULL, 0x59F5D4025B277B14ULL,
  92     0xD846C55A0B79E09FULL, 0xA72835923B4C69E6ULL,
  93     0xEFF9C1B9F35344E2ULL, 0x90973171C366CD9BULL,
  94     0x1124202993385610ULL, 0x6E4AD0E1A30DDF69ULL,
  95     0x8087C87E03060C18ULL, 0xFFE938B633338561ULL,
  96     0x7E5A29EE636D1EEAULL, 0x0134D92653589793ULL,
  97     0x49E52D0D9B47BA97ULL, 0x368BDDC5AB7233EEULL,
  98     0xB738CC9DFB2CA865ULL, 0xC8563C55CB19211CULL,
  99     0x5E7BDBF1E3AC9DECULL, 0x21152B39D3991495ULL,
 100     0xA0A63A6183C78F1EULL, 0xDFC8CAA9B3F20667ULL,
 101     0x97193E827BED2B63ULL, 0xE877CE4A4BD8A21AULL,
 102     0x69C4DF121B863991ULL, 0x16AA2FDA2BB3B0E8ULL,
 103     0xF86737458BB86399ULL, 0x8709C78DBB8DEAE0ULL,
 104     0x06BAD6D5EBD3716BULL, 0x79D4261DDBE6F812ULL,
 105     0x3105D23613F9D516ULL, 0x4E6B22FE23CC5C6FULL,
 106     0xCFD833A67392C7E4ULL, 0xB0B6C36E43A74E9DULL,
 107     0x9A6C9329AC4BC9B5ULL, 0xE50263E19C7E40CCULL,
 108     0x64B172B9CC20DB47ULL, 0x1BDF8271FC15523EULL,
 109     0x530E765A340A7F3AULL, 0x2C608692043FF643ULL,
 110     0xADD397CA54616DC8ULL, 0xD2BD67026454E4B1ULL,
 111     0x3C707F9DC45F37C0ULL, 0x431E8F55F46ABEB9ULL,
 112     0xC2AD9E0DA4342532ULL, 0xBDC36EC59401AC4BULL,
 113     0xF5129AEE5C1E814FULL, 0x8A7C6A266C2B0836ULL,
 114     0x0BCF7B7E3C7593BDULL, 0x74A18BB60C401AC4ULL,
 115     0xE28C6C1224F5A634ULL, 0x9DE29CDA14C02F4DULL,
 116     0x1C518D82449EB4C6ULL, 0x633F7D4A74AB3DBFULL,
 117     0x2BEE8961BCB410BBULL, 0x548079A98C8199C2ULL,
 118     0xD53368F1DCDF0249ULL, 0xAA5D9839ECEA8B30ULL,
 119     0x449080A64CE15841ULL, 0x3BFE706E7CD4D138ULL,
 120     0xBA4D61362C8A4AB3ULL, 0xC52391FE1CBFC3CAULL,
 121     0x8DF265D5D4A0EECEULL, 0xF29C951DE49567B7ULL,
 122     0x732F8445B4CBFC3CULL, 0x0C41748D84FE7545ULL,
 123     0x6BAD6D5EBD3716B7ULL, 0x14C39D968D029FCEULL,
 124     0x95708CCEDD5C0445ULL, 0xEA1E7C06ED698D3CULL,
 125     0xA2CF882D2576A038ULL, 0xDDA178E515432941ULL,
 126     0x5C1269BD451DB2CAULL, 0x237C997575283BB3ULL,
 127     0xCDB181EAD523E8C2ULL, 0xB2DF7122E51661BBULL,
 128     0x336C607AB548FA30ULL, 0x4C0290B2857D7349ULL,
 129     0x04D364994D625E4DULL, 0x7BBD94517D57D734ULL,
 130     0xFA0E85092D094CBFULL, 0x856075C11D3CC5C6ULL,
 131     0x134D926535897936ULL, 0x6C2362AD05BCF04FULL,
 132     0xED9073F555E26BC4ULL, 0x92FE833D65D7E2BDULL,
 133     0xDA2F7716ADC8CFB9ULL, 0xA54187DE9DFD46C0ULL,
 134     0x24F29686CDA3DD4BULL, 0x5B9C664EFD965432ULL,
 135     0xB5517ED15D9D8743ULL, 0xCA3F8E196DA80E3AULL,
 136     0x4B8C9F413DF695B1ULL, 0x34E26F890DC31CC8ULL,
 137     0x7C339BA2C5DC31CCULL, 0x035D6B6AF5E9B8B5ULL,
 138     0x82EE7A32A5B7233EULL, 0xFD808AFA9582AA47ULL,
 139     0x4D364994D625E4DAULL, 0x3258B95CE6106DA3ULL,
 140     0xB3EBA804B64EF628ULL, 0xCC8558CC867B7F51ULL,
 141     0x8454ACE74E645255ULL, 0xFB3A5C2F7E51DB2CULL,
 142     0x7A894D772E0F40A7ULL, 0x05E7BDBF1E3AC9DEULL,
 143     0xEB2AA520BE311AAFULL, 0x944455E88E0493D6ULL,
 144     0x15F744B0DE5A085DULL, 0x6A99B478EE6F8124ULL,
 145     0x224840532670AC20ULL, 0x5D26B09B16452559ULL,
 146     0xDC95A1C3461BBED2ULL, 0xA3FB510B762E37ABULL,
 147     0x35D6B6AF5E9B8B5BULL, 0x4AB846676EAE0222ULL,
 148     0xCB0B573F3EF099A9ULL, 0xB465A7F70EC510D0ULL,
 149     0xFCB453DCC6DA3DD4ULL, 0x83DAA314F6EFB4ADULL,
 150     0x0269B24CA6B12F26ULL, 0x7D0742849684A65FULL,
 151     0x93CA5A1B368F752EULL, 0xECA4AAD306BAFC57ULL,
 152     0x6D17BB8B56E467DCULL, 0x12794B4366D1EEA5ULL,
 153     0x5AA8BF68AECEC3A1ULL, 0x25C64FA09EFB4AD8ULL,
 154     0xA4755EF8CEA5D153ULL, 0xDB1BAE30FE90582AULL,
 155     0xBCF7B7E3C7593BD8ULL, 0xC399472BF76CB2A1ULL,
 156     0x422A5673A732292AULL, 0x3D44A6BB9707A053ULL,
 157     0x759552905F188D57ULL, 0x0AFBA2586F2D042EULL,
 158     0x8B48B3003F739FA5ULL, 0xF42643C80F4616DCULL,
 159     0x1AEB5B57AF4DC5ADULL, 0x6585AB9F9F784CD4ULL,
 160     0xE436BAC7CF26D75FULL, 0x9B584A0FFF135E26ULL,
 161     0xD389BE24370C7322ULL, 0xACE74EEC0739FA5BULL,
 162     0x2D545FB4576761D0ULL, 0x523AAF7C6752E8A9ULL,
 163     0xC41748D84FE75459ULL, 0xBB79B8107FD2DD20ULL,
 164     0x3ACAA9482F8C46ABULL, 0x45A459801FB9CFD2ULL,
 165     0x0D75ADABD7A6E2D6ULL, 0x721B5D63E7936BAFULL,
 166     0xF3A84C3BB7CDF024ULL, 0x8CC6BCF387F8795DULL,
 167     0x620BA46C27F3AA2CULL, 0x1D6554A417C62355ULL,
 168     0x9CD645FC4798B8DEULL, 0xE3B8B53477AD31A7ULL,
 169     0xAB69411FBFB21CA3ULL, 0xD407B1D78F8795DAULL,
 170     0x55B4A08FDFD90E51ULL, 0x2ADA5047EFEC8728ULL,
 171 };
 172
 173 static inline size_t nvme_pi_tuple_size(NvmeNamespace *ns)
 174 {
 175     return ns->pif ? 16 : 8;
 176 }
 177
 178 uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint8_t prinfo, uint64_t slba,
 179                            uint64_t reftag);
 180 uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen,
 181                                uint64_t slba);
 182 void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len,
 183                                  uint8_t *mbuf, size_t mlen, uint16_t apptag,
 184                                  uint64_t *reftag);
 185 uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len,
 186                         uint8_t *mbuf, size_t mlen, uint8_t prinfo,
 187                         uint64_t slba, uint16_t apptag,
 188                         uint16_t appmask, uint64_t *reftag);
 189 uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req);
 190
 191 #endif /* HW_NVME_DIF_H */