diff options
Diffstat (limited to 'drivers/scsi/aic7xxx/scsi_message.h')
| -rw-r--r-- | drivers/scsi/aic7xxx/scsi_message.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/scsi/aic7xxx/scsi_message.h b/drivers/scsi/aic7xxx/scsi_message.h new file mode 100644 index 000000000..53343a6d8 --- /dev/null +++ b/drivers/scsi/aic7xxx/scsi_message.h @@ -0,0 +1,40 @@ +/* + * 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 |