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/* 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
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