Lines Matching refs:cdb
35 unsigned char *cdb = cmd->t_task_cdb; in sbc_emulate_readcapacity() local
53 if (!(cdb[8] & 1) && !!(cdb[2] | cdb[3] | cdb[4] | cdb[5])) in sbc_emulate_readcapacity()
140 unsigned char *cdb = cmd->t_task_cdb; in sbc_emulate_startstop() local
147 if (!(cdb[1] & 1) || cdb[2] || cdb[3]) in sbc_emulate_startstop()
154 if (cdb[4] >> 4 & 0xf) in sbc_emulate_startstop()
162 if (!(cdb[4] & 1) || (cdb[4] & 2) || (cdb[4] & 4)) in sbc_emulate_startstop()
221 static inline u32 transport_get_sectors_6(unsigned char *cdb) in transport_get_sectors_6() argument
231 return cdb[4] ? : 256; in transport_get_sectors_6()
234 static inline u32 transport_get_sectors_10(unsigned char *cdb) in transport_get_sectors_10() argument
236 return get_unaligned_be16(&cdb[7]); in transport_get_sectors_10()
239 static inline u32 transport_get_sectors_12(unsigned char *cdb) in transport_get_sectors_12() argument
241 return get_unaligned_be32(&cdb[6]); in transport_get_sectors_12()
244 static inline u32 transport_get_sectors_16(unsigned char *cdb) in transport_get_sectors_16() argument
246 return get_unaligned_be32(&cdb[10]); in transport_get_sectors_16()
252 static inline u32 transport_get_sectors_32(unsigned char *cdb) in transport_get_sectors_32() argument
254 return get_unaligned_be32(&cdb[28]); in transport_get_sectors_32()
258 static inline u32 transport_lba_21(unsigned char *cdb) in transport_lba_21() argument
260 return get_unaligned_be24(&cdb[1]) & 0x1fffff; in transport_lba_21()
263 static inline u32 transport_lba_32(unsigned char *cdb) in transport_lba_32() argument
265 return get_unaligned_be32(&cdb[2]); in transport_lba_32()
268 static inline unsigned long long transport_lba_64(unsigned char *cdb) in transport_lba_64() argument
270 return get_unaligned_be64(&cdb[2]); in transport_lba_64()
276 static inline unsigned long long transport_lba_64_ext(unsigned char *cdb) in transport_lba_64_ext() argument
278 return get_unaligned_be64(&cdb[12]); in transport_lba_64_ext()
798 sbc_check_dpofua(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb) in sbc_check_dpofua() argument
800 if (cdb[1] & 0x10) { in sbc_check_dpofua()
804 " does not advertise support for DPO\n", cdb[0]); in sbc_check_dpofua()
808 if (cdb[1] & 0x8) { in sbc_check_dpofua()
812 cdb[0]); in sbc_check_dpofua()
824 unsigned char *cdb = cmd->t_task_cdb; in sbc_parse_cdb() local
831 switch (cdb[0]) { in sbc_parse_cdb()
833 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
834 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
839 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
840 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
842 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
845 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
853 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
854 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
856 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
859 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
867 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
868 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
870 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
873 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
881 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
882 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
888 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
889 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
891 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
894 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
902 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
903 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
905 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
908 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
917 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
918 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
920 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
923 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
934 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
936 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
939 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
950 u16 service_action = get_unaligned_be16(&cdb[8]); in sbc_parse_cdb()
953 sectors = transport_get_sectors_32(cdb); in sbc_parse_cdb()
955 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
961 cmd->t_task_lba = transport_lba_64_ext(cdb); in sbc_parse_cdb()
972 sectors = transport_get_sectors_32(cdb); in sbc_parse_cdb()
980 cmd->t_task_lba = get_unaligned_be64(&cdb[12]); in sbc_parse_cdb()
982 ret = sbc_setup_write_same(cmd, cdb[10], ops); in sbc_parse_cdb()
1001 sectors = cdb[13]; in sbc_parse_cdb()
1010 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
1018 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
1041 size = get_unaligned_be32(&cdb[10]); in sbc_parse_cdb()
1045 if (cdb[0] == SYNCHRONIZE_CACHE) { in sbc_parse_cdb()
1046 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1047 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
1049 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1050 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
1068 size = get_unaligned_be16(&cdb[7]); in sbc_parse_cdb()
1072 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1079 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
1081 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
1086 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1093 cmd->t_task_lba = get_unaligned_be32(&cdb[2]); in sbc_parse_cdb()
1099 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
1106 if (cdb[0] == VERIFY) { in sbc_parse_cdb()
1107 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1108 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
1110 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1111 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()