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()
767 sbc_check_dpofua(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb) in sbc_check_dpofua() argument
769 if (cdb[1] & 0x10) { in sbc_check_dpofua()
773 " does not advertise support for DPO\n", cdb[0]); in sbc_check_dpofua()
777 if (cdb[1] & 0x8) { in sbc_check_dpofua()
781 cdb[0]); in sbc_check_dpofua()
793 unsigned char *cdb = cmd->t_task_cdb; in sbc_parse_cdb() local
800 switch (cdb[0]) { in sbc_parse_cdb()
802 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
803 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
808 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
809 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
811 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
814 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
822 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
823 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
825 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
828 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
836 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
837 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
839 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
842 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
850 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
851 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
857 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
858 cmd->t_task_lba = transport_lba_32(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, true); in sbc_parse_cdb()
871 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
872 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
874 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
877 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
886 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
887 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
889 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
892 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
903 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
905 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
908 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
919 u16 service_action = get_unaligned_be16(&cdb[8]); in sbc_parse_cdb()
922 sectors = transport_get_sectors_32(cdb); in sbc_parse_cdb()
924 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
930 cmd->t_task_lba = transport_lba_64_ext(cdb); in sbc_parse_cdb()
941 sectors = transport_get_sectors_32(cdb); in sbc_parse_cdb()
949 cmd->t_task_lba = get_unaligned_be64(&cdb[12]); in sbc_parse_cdb()
951 ret = sbc_setup_write_same(cmd, cdb[10], ops); in sbc_parse_cdb()
970 sectors = cdb[13]; in sbc_parse_cdb()
979 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
987 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
1010 size = get_unaligned_be32(&cdb[10]); in sbc_parse_cdb()
1014 if (cdb[0] == SYNCHRONIZE_CACHE) { in sbc_parse_cdb()
1015 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1016 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
1018 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1019 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
1037 size = get_unaligned_be16(&cdb[7]); in sbc_parse_cdb()
1041 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1048 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
1050 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
1055 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1062 cmd->t_task_lba = get_unaligned_be32(&cdb[2]); in sbc_parse_cdb()
1068 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
1075 if (cdb[0] == VERIFY) { in sbc_parse_cdb()
1076 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1077 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
1079 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1080 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()