/* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */ #define MSG_CMDCOMPLETE 0x00 /* M/M */ #define MSG_EXTENDED 0x01 /* O/O */ #define MSG_SAVEDATAPOINTER 0x02 /* O/O */ #define MSG_RESTOREPOINTERS 0x03 /* O/O */ #define MSG_DISCONNECT 0x04 /* O/O */ #define MSG_INITIATOR_DET_ERR 0x05 /* M/M */ #define MSG_ABORT 0x06 /* O/M */ #define MSG_MESSAGE_REJECT 0x07 /* M/M */ #define MSG_NOOP 0x08 /* M/M */ #define MSG_PARITY_ERROR 0x09 /* M/M */ #define MSG_LINK_CMD_COMPLETE 0x0a /* O/O */ #define MSG_LINK_CMD_COMPLETEF 0x0b /* O/O */ #define MSG_BUS_DEV_RESET 0x0c /* O/M */ #define MSG_ABORT_TAG 0x0d /* O/O */ #define MSG_CLEAR_QUEUE 0x0e /* O/O */ #define MSG_INIT_RECOVERY 0x0f /* O/O */ #define MSG_REL_RECOVERY 0x10 /* O/O */ #define MSG_TERM_IO_PROC 0x11 /* O/O */ /* Messages (2 byte) */ #define MSG_SIMPLE_Q_TAG 0x20 /* O/O */ #define MSG_HEAD_OF_Q_TAG 0x21 /* O/O */ #define MSG_ORDERED_Q_TAG 0x22 /* O/O */ #define MSG_IGN_WIDE_RESIDUE 0x23 /* O/O */ /* Identify message */ /* M/M */ #define MSG_IDENTIFYFLAG 0x80 #define MSG_IDENTIFY_DISCFLAG 0x40 #define MSG_IDENTIFY(lun, disc) (((disc) ? 0xc0 : MSG_IDENTIFYFLAG) | (lun)) #define MSG_ISIDENTIFY(m) ((m) & MSG_IDENTIFYFLAG) /* Extended messages (opcode and length) */ #define MSG_EXT_SDTR 0x01 #define MSG_EXT_SDTR_LEN 0x03 #define MSG_EXT_WDTR 0x03 #define MSG_EXT_WDTR_LEN 0x02 #define MSG_EXT_WDTR_BUS_8_BIT 0x00 #define MSG_EXT_WDTR_BUS_16_BIT 0x01 #define MSG_EXT_WDTR_BUS_32_BIT 0x02 #define MSG_EXT_PPR 0x04 #define MSG_EXT_PPR_LEN 0x06 #define MSG_EXT_PPR_OPTION_ST 0x00 #define MSG_EXT_PPR_OPTION_DT_CRC 0x02 #define MSG_EXT_PPR_OPTION_DT_UNITS 0x03 #define MSG_EXT_PPR_OPTION_DT_CRC_QUICK 0x04 #define MSG_EXT_PPR_OPTION_DT_UNITS_QUICK 0x05