1*05f7ae45SKlaus Jensen #ifndef HW_NVME_DIF_H 2*05f7ae45SKlaus Jensen #define HW_NVME_DIF_H 3*05f7ae45SKlaus Jensen 4*05f7ae45SKlaus Jensen /* from Linux kernel (crypto/crct10dif_common.c) */ 5*05f7ae45SKlaus Jensen static const uint16_t t10_dif_crc_table[256] = { 6*05f7ae45SKlaus Jensen 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B, 7*05f7ae45SKlaus Jensen 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6, 8*05f7ae45SKlaus Jensen 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6, 9*05f7ae45SKlaus Jensen 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B, 10*05f7ae45SKlaus Jensen 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1, 11*05f7ae45SKlaus Jensen 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C, 12*05f7ae45SKlaus Jensen 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C, 13*05f7ae45SKlaus Jensen 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781, 14*05f7ae45SKlaus Jensen 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8, 15*05f7ae45SKlaus Jensen 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255, 16*05f7ae45SKlaus Jensen 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925, 17*05f7ae45SKlaus Jensen 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698, 18*05f7ae45SKlaus Jensen 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472, 19*05f7ae45SKlaus Jensen 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF, 20*05f7ae45SKlaus Jensen 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF, 21*05f7ae45SKlaus Jensen 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02, 22*05f7ae45SKlaus Jensen 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA, 23*05f7ae45SKlaus Jensen 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067, 24*05f7ae45SKlaus Jensen 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17, 25*05f7ae45SKlaus Jensen 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA, 26*05f7ae45SKlaus Jensen 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640, 27*05f7ae45SKlaus Jensen 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD, 28*05f7ae45SKlaus Jensen 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D, 29*05f7ae45SKlaus Jensen 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30, 30*05f7ae45SKlaus Jensen 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759, 31*05f7ae45SKlaus Jensen 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4, 32*05f7ae45SKlaus Jensen 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394, 33*05f7ae45SKlaus Jensen 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29, 34*05f7ae45SKlaus Jensen 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3, 35*05f7ae45SKlaus Jensen 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E, 36*05f7ae45SKlaus Jensen 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E, 37*05f7ae45SKlaus Jensen 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3 38*05f7ae45SKlaus Jensen }; 39*05f7ae45SKlaus Jensen 40*05f7ae45SKlaus Jensen uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint8_t prinfo, uint64_t slba, 41*05f7ae45SKlaus Jensen uint32_t reftag); 42*05f7ae45SKlaus Jensen uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen, 43*05f7ae45SKlaus Jensen uint64_t slba); 44*05f7ae45SKlaus Jensen void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, 45*05f7ae45SKlaus Jensen uint8_t *mbuf, size_t mlen, uint16_t apptag, 46*05f7ae45SKlaus Jensen uint32_t *reftag); 47*05f7ae45SKlaus Jensen uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len, 48*05f7ae45SKlaus Jensen uint8_t *mbuf, size_t mlen, uint8_t prinfo, 49*05f7ae45SKlaus Jensen uint64_t slba, uint16_t apptag, 50*05f7ae45SKlaus Jensen uint16_t appmask, uint32_t *reftag); 51*05f7ae45SKlaus Jensen uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req); 52*05f7ae45SKlaus Jensen 53*05f7ae45SKlaus Jensen #endif /* HW_NVME_DIF_H */ 54