/* * This file is in the public domain. * $FreeBSD: src/sys/cam/scsi/scsi_message.h,v 1.2 2000/05/01 20:21:29 peter Exp $ */ /* Messages (1 byte) */ /* I/T (M)andatory or (O)ptional */ #define MSG_SAVEDATAPOINTER 0x02 /* O/O */ #define MSG_RESTOREPOINTERS 0x03 /* O/O */ #define MSG_DISCONNECT 0x04 /* O/O */ #define MSG_MESSAGE_REJECT 0x07 /* M/M */ #define MSG_NOOP 0x08 /* M/M */ /* Messages (2 byte) */ #define MSG_SIMPLE_Q_TAG 0x20 /* 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) #define MSG_IDENTIFY_LUNMASK 0x3F /* Extended messages (opcode and length) */ #define MSG_EXT_SDTR_LEN 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 /* Deprecated in SPI3 */ #define MSG_EXT_PPR_LEN 0x06 #define MSG_EXT_PPR_PCOMP_EN 0x80 #define MSG_EXT_PPR_RTI 0x40 #define MSG_EXT_PPR_RD_STRM 0x20 #define MSG_EXT_PPR_WR_FLOW 0x10 #define MSG_EXT_PPR_HOLD_MCS 0x08 #define MSG_EXT_PPR_QAS_REQ 0x04 #define MSG_EXT_PPR_DT_REQ 0x02 #define MSG_EXT_PPR_IU_REQ 0x01