patch-2.4.3 linux/drivers/scsi/aic7xxx/cam.h

• Lines: 143
• Date: Sun Mar 4 14:30:18 2001
• Orig file: v2.4.2/linux/drivers/scsi/aic7xxx/cam.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.2/linux/drivers/scsi/aic7xxx/cam.h linux/drivers/scsi/aic7xxx/cam.h
@@ -0,0 +1,142 @@
+/*
+ * Data structures and definitions for the CAM system.
+ *
+ * Copyright (c) 1997 Justin T. Gibbs.
+ * Copyright (c) 2000 Adaptec Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU Public License ("GPL").
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: //depot/src/linux/drivers/scsi/aic7xxx/cam.h#9 $
+ */
+
+#ifndef _AIC7XXX_CAM_H
+#define _AIC7XXX_CAM_H 1
+
+/* Provide a mapping from CAM constructs to Linux SCSI constructs */
+
+#define	CAM_BUS_WILDCARD ((u_int)~0)
+#define	CAM_TARGET_WILDCARD ((u_int)~0)
+#define	CAM_LUN_WILDCARD ((u_int)~0)
+
+/* CAM Status field values */
+typedef enum {
+	/* CCB request is in progress */
+	CAM_REQ_INPROG		= 0x3F, /* Some value unused by Linux */
+	/* CCB request completed without error */
+	CAM_REQ_CMP		= DID_OK,
+	/* CCB request aborted by the host */
+	CAM_REQ_ABORTED		= DID_ABORT,
+	/* Unable to abort CCB request */
+	CAM_UA_ABORT		= DID_ERROR,
+	/* CCB request completed with an error */
+	CAM_REQ_CMP_ERR		= DID_ERROR,
+	/* CAM subsytem is busy */
+	CAM_BUSY		= DID_BUS_BUSY,
+	/* CCB request was invalid */
+	CAM_REQ_INVALID		= DID_BAD_TARGET,
+	/* Supplied Path ID is invalid */
+	CAM_PATH_INVALID	= DID_BAD_TARGET,
+	/* Target Selection Timeout */
+	CAM_SEL_TIMEOUT		= DID_NO_CONNECT,
+	/* Command timeout */
+	CAM_CMD_TIMEOUT		= DID_ERROR, /*
+					      * Should never occur in Linux
+					      * as the upper level code
+					      * handles all timeout processing.
+					      */
+	/* SCSI error, look at error code in CCB */
+	CAM_SCSI_STATUS_ERROR	= DID_OK, /* Linux looks at status byte */
+	/* SCSI Bus Reset Sent/Received */
+	CAM_SCSI_BUS_RESET	= DID_RESET,
+	/* Uncorrectable parity error occurred */
+	CAM_UNCOR_PARITY	= DID_PARITY,
+	/* Autosense: request sense cmd fail */
+	CAM_AUTOSENSE_FAIL	= DID_ERROR,
+	/* No HBA Detected Error */
+	CAM_NO_HBA		= DID_ERROR,
+	/* Data Overrun error */
+	CAM_DATA_RUN_ERR	= DID_ERROR,
+	/* Unexpected Bus Free */
+	CAM_UNEXP_BUSFREE	= DID_ERROR,
+	/* CCB length supplied is inadequate */
+	CAM_CCB_LEN_ERR		= DID_ERROR,
+	/* Unable to provide requested capability */
+	CAM_PROVIDE_FAIL	= DID_ERROR,
+	/* A SCSI BDR msg was sent to target */
+	CAM_BDR_SENT		= DID_RESET,
+	/* CCB request terminated by the host */
+	CAM_REQ_TERMIO		= DID_ERROR,
+	/* Unrecoverable Host Bus Adapter Error */
+	CAM_UNREC_HBA_ERROR	= DID_ERROR,
+	/* The request was too large for this host */
+	CAM_REQ_TOO_BIG		= DID_ERROR,
+	/*
+	 * This request should be requeued to preserve
+	 * transaction ordering.  This typically occurs
+	 * when the SIM recognizes an error that should
+	 * freeze the queue and must place additional
+	 * requests for the target at the sim level
+	 * back into the XPT queue.
+	 */
+	CAM_REQUEUE_REQ		= DID_BUS_BUSY,
+	/*
+	 * The transaction has made it through our queue routine.
+	 */
+	CAM_SIM_QUEUED		= 0x200,
+
+	CAM_STATUS_MASK		= 0x3F
+} cam_status;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
+#define	SCSI_DATA_READ	1
+#define	SCSI_DATA_WRITE 2
+#define SCSI_DATA_NONE  3
+#endif
+
+/*
+ * Definitions for the asynchronous callback CCB fields.
+ */
+typedef enum {
+	AC_GETDEV_CHANGED	= 0x800,/* Getdev info might have changed */
+	AC_INQ_CHANGED		= 0x400,/* Inquiry info might have changed */
+	AC_TRANSFER_NEG		= 0x200,/* New transfer settings in effect */
+	AC_LOST_DEVICE		= 0x100,/* A device went away */
+	AC_FOUND_DEVICE		= 0x080,/* A new device was found */
+	AC_PATH_DEREGISTERED	= 0x040,/* A path has de-registered */
+	AC_PATH_REGISTERED	= 0x020,/* A new path has been registered */
+	AC_SENT_BDR		= 0x010,/* A BDR message was sent to target */
+	AC_SCSI_AEN		= 0x008,/* A SCSI AEN has been received */
+	AC_UNSOL_RESEL		= 0x002,/* Unsolicited reselection occurred */
+	AC_BUS_RESET		= 0x001 /* A SCSI bus reset occurred */
+} ac_code;
+
+typedef enum {
+	CAM_DIR_IN		= SCSI_DATA_READ,
+	CAM_DIR_OUT		= SCSI_DATA_WRITE,
+	CAM_DIR_NONE		= SCSI_DATA_NONE
+} ccb_flags;
+
+#endif /* _AIC7XXX_CAM_H */