patch-2.1.48 linux/drivers/scsi/aic7xxx/scsi_message.h

• Lines: 42
• Date: Thu Jul 31 12:37:17 1997
• Orig file: v2.1.47/linux/drivers/scsi/aic7xxx/scsi_message.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.47/linux/drivers/scsi/aic7xxx/scsi_message.h linux/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