HardenedBSD/sys/cam/scsi/scsi_message.h
Justin T. Gibbs 76babe507b SCSI Peripheral drivers for CAM:
da	- Direct Access Devices (disks, optical devices, SS disks)
	cd	- CDROM (or devices that can act like them, WORM, CD-RW, etc)
	ch	- Medium Changer devices.
	sa	- Sequential Access Devices (tape drives)
	pass	- Application pass-thru driver
	targ	- Target Mode "Processor Target" Emulator
	pt	- Processor Target Devices (scanners, cpus, etc.)

Submitted by:	The CAM Team
1998-09-15 06:36:34 +00:00

43 lines
1.5 KiB
C

/* 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)
#define MSG_IDENTIFY_LUNMASK 0x01F
/* 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