diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-12-01 17:57:09 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1997-12-01 17:57:09 +0000 |
| commit | a62a0f262e0179df8c632f529c95abf54ef78332 (patch) | |
| tree | 80e6a7a7d407d08e218332bb3fcccdaf9f28fcc1 /drivers/scsi/aic7xxx/scsi_message.h | |
| parent | fd095d09f2d475dc2e8599b1b8bae1cd65e91685 (diff) | |
Part #2 merging back my changes ...
Diffstat (limited to 'drivers/scsi/aic7xxx/scsi_message.h')
| -rw-r--r-- | drivers/scsi/aic7xxx/scsi_message.h | 41 |
1 files changed, 41 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..267a01591 --- /dev/null +++ b/drivers/scsi/aic7xxx/scsi_message.h @@ -0,0 +1,41 @@ +/* + * SCSI messages definitions. + */ + +/* 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(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 |