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()
744 sbc_check_dpofua(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb) in sbc_check_dpofua() argument
746 if (cdb[1] & 0x10) { in sbc_check_dpofua()
750 " does not advertise support for DPO\n", cdb[0]); in sbc_check_dpofua()
754 if (cdb[1] & 0x8) { in sbc_check_dpofua()
758 cdb[0]); in sbc_check_dpofua()
770 unsigned char *cdb = cmd->t_task_cdb; in sbc_parse_cdb() local
777 switch (cdb[0]) { in sbc_parse_cdb()
779 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
780 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
785 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
786 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
788 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
791 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
799 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
800 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
802 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
805 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
813 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
814 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
816 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
819 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false); in sbc_parse_cdb()
827 sectors = transport_get_sectors_6(cdb); in sbc_parse_cdb()
828 cmd->t_task_lba = transport_lba_21(cdb); in sbc_parse_cdb()
834 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
835 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
837 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
840 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
848 sectors = transport_get_sectors_12(cdb); in sbc_parse_cdb()
849 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
851 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
854 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
863 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
864 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
866 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
869 ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true); in sbc_parse_cdb()
878 u16 service_action = get_unaligned_be16(&cdb[8]); in sbc_parse_cdb()
881 sectors = transport_get_sectors_32(cdb); in sbc_parse_cdb()
889 cmd->t_task_lba = get_unaligned_be64(&cdb[12]); in sbc_parse_cdb()
891 ret = sbc_setup_write_same(cmd, cdb[10], ops); in sbc_parse_cdb()
910 sectors = cdb[13]; in sbc_parse_cdb()
919 if (sbc_check_dpofua(dev, cmd, cdb)) in sbc_parse_cdb()
927 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
950 size = get_unaligned_be32(&cdb[10]); in sbc_parse_cdb()
954 if (cdb[0] == SYNCHRONIZE_CACHE) { in sbc_parse_cdb()
955 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
956 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
958 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
959 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()
977 size = get_unaligned_be16(&cdb[7]); in sbc_parse_cdb()
981 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
988 cmd->t_task_lba = get_unaligned_be64(&cdb[2]); in sbc_parse_cdb()
990 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
995 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1002 cmd->t_task_lba = get_unaligned_be32(&cdb[2]); in sbc_parse_cdb()
1008 ret = sbc_setup_write_same(cmd, cdb[1], ops); in sbc_parse_cdb()
1015 if (cdb[0] == VERIFY) { in sbc_parse_cdb()
1016 sectors = transport_get_sectors_10(cdb); in sbc_parse_cdb()
1017 cmd->t_task_lba = transport_lba_32(cdb); in sbc_parse_cdb()
1019 sectors = transport_get_sectors_16(cdb); in sbc_parse_cdb()
1020 cmd->t_task_lba = transport_lba_64(cdb); in sbc_parse_cdb()