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()
745 sbc_check_dpofua(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb) in sbc_check_dpofua() argument
747 if (cdb[1] & 0x10) { in sbc_check_dpofua()
751 " does not advertise support for DPO\n", cdb[0]); in sbc_check_dpofua()
755 if (cdb[1] & 0x8) { in sbc_check_dpofua()
759 cdb[0]); in sbc_check_dpofua()
768 sbc_check_atomic(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb) in sbc_check_atomic() argument
774 lba = transport_lba_64(cdb); in sbc_check_atomic()
775 boundary = get_unaligned_be16(&cdb[10]); in sbc_check_atomic()
776 transfer_len = get_unaligned_be16(&cdb[12]); in sbc_check_atomic()
814 unsigned char *cdb = cmd->t_task_cdb; in sbc_parse_cdb() local
821 switch (cdb[0]) { in sbc_parse_cdb()
823 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
824 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
829 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
830 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
832 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
835 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
843 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
844 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
846 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
849 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
857 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
858 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
860 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
863 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
871 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
872 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
878 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
879 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
881 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
884 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
892 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
893 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
895 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
898 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
908 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
909 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
911 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
914 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
919 if (cdb[0] == WRITE_ATOMIC_16) { in sbc_parse_cdb()
922 ret = sbc_check_atomic(dev, cmd, cdb); in sbc_parse_cdb()
930 u16 service_action = get_unaligned_be16(&cdb[8]); in sbc_parse_cdb()
933 sectors = transport_get_sectors_32(cdb); in sbc_parse_cdb()
941 cmd->t_task_lba = get_unaligned_be64(&cdb[12]); in sbc_parse_cdb()
943 ret = sbc_setup_write_same(cmd, cdb[10], ops); in sbc_parse_cdb()
962 sectors = cdb[13]; in sbc_parse_cdb()
971 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
979 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
1002 size = get_unaligned_be32(&cdb[10]); in sbc_parse_cdb()
1006 if (cdb[0] == SYNCHRONIZE_CACHE) { in sbc_parse_cdb()
1007 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1008 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
1010 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1011 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
1029 size = get_unaligned_be16(&cdb[7]); in sbc_parse_cdb()
1033 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1040 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
1042 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
1047 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1054 cmd->t_task_lba = get_unaligned_be32(&cdb[2]); in sbc_parse_cdb()
1060 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
1067 if (cdb[0] == VERIFY) { in sbc_parse_cdb()
1068 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1069 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
1071 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1072 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()