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Diffstat (limited to 'drivers/scsi/aic7xxx/cam.h')
| -rw-r--r-- | drivers/scsi/aic7xxx/cam.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/scsi/aic7xxx/cam.h b/drivers/scsi/aic7xxx/cam.h new file mode 100644 index 000000000..687aef6ef --- /dev/null +++ b/drivers/scsi/aic7xxx/cam.h @@ -0,0 +1,111 @@ +/* + * 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 General 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/aic7xxx/linux/drivers/scsi/aic7xxx/cam.h#15 $ + */ + +#ifndef _AIC7XXX_CAM_H +#define _AIC7XXX_CAM_H 1 + +#include <linux/types.h> + +#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 { + CAM_REQ_INPROG, /* CCB request is in progress */ + CAM_REQ_CMP, /* CCB request completed without error */ + CAM_REQ_ABORTED, /* CCB request aborted by the host */ + CAM_UA_ABORT, /* Unable to abort CCB request */ + CAM_REQ_CMP_ERR, /* CCB request completed with an error */ + CAM_BUSY, /* CAM subsystem is busy */ + CAM_REQ_INVALID, /* CCB request was invalid */ + CAM_PATH_INVALID, /* Supplied Path ID is invalid */ + CAM_SEL_TIMEOUT, /* Target Selection Timeout */ + CAM_CMD_TIMEOUT, /* Command timeout */ + CAM_SCSI_STATUS_ERROR, /* SCSI error, look at error code in CCB */ + CAM_SCSI_BUS_RESET, /* SCSI Bus Reset Sent/Received */ + CAM_UNCOR_PARITY, /* Uncorrectable parity error occurred */ + CAM_AUTOSENSE_FAIL, /* Autosense: request sense cmd fail */ + CAM_NO_HBA, /* No HBA Detected Error */ + CAM_DATA_RUN_ERR, /* Data Overrun error */ + CAM_UNEXP_BUSFREE, /* Unexpected Bus Free */ + CAM_SEQUENCE_FAIL, /* Protocol Violation */ + CAM_CCB_LEN_ERR, /* CCB length supplied is inadequate */ + CAM_PROVIDE_FAIL, /* Unable to provide requested capability */ + CAM_BDR_SENT, /* A SCSI BDR msg was sent to target */ + CAM_REQ_TERMIO, /* CCB request terminated by the host */ + CAM_UNREC_HBA_ERROR, /* Unrecoverable Host Bus Adapter Error */ + CAM_REQ_TOO_BIG, /* The request was too large for this host */ + CAM_UA_TERMIO, /* Unable to terminate I/O CCB request */ + CAM_MSG_REJECT_REC, /* Message Reject Received */ + CAM_DEV_NOT_THERE, /* SCSI Device Not Installed/there */ + CAM_RESRC_UNAVAIL, /* Resource Unavailable */ + /* + * 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, + CAM_DEV_QFRZN = 0x40, + + CAM_STATUS_MASK = 0x3F +} cam_status; + +/* + * 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 = DMA_FROM_DEVICE, + CAM_DIR_OUT = DMA_TO_DEVICE, + CAM_DIR_NONE = DMA_NONE, +} ccb_flags; + +#endif /* _AIC7XXX_CAM_H */ |