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