OpenCloudOS-Kernel/drivers/scsi/aic7xxx/scsi_message.h

30 lines
932 B
C

/*
* 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 $
*/
/* 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