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+/* sane - Scanner Access Now Easy.
+
+ This file is part of the SANE package.
+
+ SANE is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ SANE is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with sane; see the file COPYING. If not, write to the Free
+ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ As a special exception, the authors of SANE give permission for
+ additional uses of the libraries contained in this release of SANE.
+
+ The exception is that, if you link a SANE library with other files
+ to produce an executable, this does not by itself cause the
+ resulting executable to be covered by the GNU General Public
+ License. Your use of that executable is in no way restricted on
+ account of linking the SANE library code into it.
+
+ This exception does not, however, invalidate any other reasons why
+ the executable file might be covered by the GNU General Public
+ License.
+
+ If you submit changes to SANE to the maintainers to be included in
+ a subsequent release, you agree by submitting the changes that
+ those changes may be distributed with this exception intact.
+
+ If you write modifications of your own for SANE, it is your choice
+ whether to permit this exception to apply to your modifications.
+ If you do not wish that, delete this exception notice.
+*/
+
+#ifndef SG_ERR_H
+#define SG_ERR_H
+
+/* Linux sg error codes taken from Doug Gilbert's sg_utils:
+ http://www.torque.net/sg/ */
+
+/* Some of the following error/status codes are exchanged between the
+ various layers of the SCSI sub-system in Linux and should never
+ reach the user. They are placed here for completeness. What appears
+ here is copied from drivers/scsi/scsi.h which is not visible in
+ the user space. */
+
+/* The following are 'host_status' codes */
+#ifndef DID_OK
+#define DID_OK 0x00
+#endif
+#ifndef DID_NO_CONNECT
+#define DID_NO_CONNECT 0x01 /* Unable to connect before timeout */
+#define DID_BUS_BUSY 0x02 /* Bus remain busy until timeout */
+#define DID_TIME_OUT 0x03 /* Timed out for some other reason */
+#define DID_BAD_TARGET 0x04 /* Bad target (id?) */
+#define DID_ABORT 0x05 /* Told to abort for some other reason */
+#define DID_PARITY 0x06 /* Parity error (on SCSI bus) */
+#define DID_ERROR 0x07 /* Internal error */
+#define DID_RESET 0x08 /* Reset by somebody */
+#define DID_BAD_INTR 0x09 /* Received an unexpected interrupt */
+#define DID_PASSTHROUGH 0x0a /* Force command past mid-level */
+#define DID_SOFT_ERROR 0x0b /* The low-level driver wants a retry */
+#endif
+
+
+
+/* These defines are to isolate applictaions from kernel define changes */
+#define SG_ERR_DID_OK DID_OK
+#define SG_ERR_DID_NO_CONNECT DID_NO_CONNECT
+#define SG_ERR_DID_BUS_BUSY DID_BUS_BUSY
+#define SG_ERR_DID_TIME_OUT DID_TIME_OUT
+#define SG_ERR_DID_BAD_TARGET DID_BAD_TARGET
+#define SG_ERR_DID_ABORT DID_ABORT
+#define SG_ERR_DID_PARITY DID_PARITY
+#define SG_ERR_DID_ERROR DID_ERROR
+#define SG_ERR_DID_RESET DID_RESET
+#define SG_ERR_DID_BAD_INTR DID_BAD_INTR
+#define SG_ERR_DID_PASSTHROUGH DID_PASSTHROUGH
+#define SG_ERR_DID_SOFT_ERROR DID_SOFT_ERROR
+
+/* The following are 'driver_status' codes */
+#ifndef DRIVER_OK
+#define DRIVER_OK 0x00
+#endif
+#ifndef DRIVER_BUSY
+#define DRIVER_BUSY 0x01
+#define DRIVER_SOFT 0x02
+#define DRIVER_MEDIA 0x03
+#define DRIVER_ERROR 0x04
+#define DRIVER_INVALID 0x05
+#define DRIVER_TIMEOUT 0x06
+#define DRIVER_HARD 0x07
+#define DRIVER_SENSE 0x08 /* Sense_buffer has been set */
+
+/* Following "suggests" are "or-ed" with one of previous 8 entries */
+#define SUGGEST_RETRY 0x10
+#define SUGGEST_ABORT 0x20
+#define SUGGEST_REMAP 0x30
+#define SUGGEST_DIE 0x40
+#define SUGGEST_SENSE 0x80
+#define SUGGEST_IS_OK 0xff
+#endif
+#ifndef DRIVER_MASK
+#define DRIVER_MASK 0x0f
+#endif
+#ifndef SUGGEST_MASK
+#define SUGGEST_MASK 0xf0
+#endif
+
+/* These defines are to isolate applictaions from kernel define changes */
+#define SG_ERR_DRIVER_OK DRIVER_OK
+#define SG_ERR_DRIVER_BUSY DRIVER_BUSY
+#define SG_ERR_DRIVER_SOFT DRIVER_SOFT
+#define SG_ERR_DRIVER_MEDIA DRIVER_MEDIA
+#define SG_ERR_DRIVER_ERROR DRIVER_ERROR
+#define SG_ERR_DRIVER_INVALID DRIVER_INVALID
+#define SG_ERR_DRIVER_TIMEOUT DRIVER_TIMEOUT
+#define SG_ERR_DRIVER_HARD DRIVER_HARD
+#define SG_ERR_DRIVER_SENSE DRIVER_SENSE
+#define SG_ERR_SUGGEST_RETRY SUGGEST_RETRY
+#define SG_ERR_SUGGEST_ABORT SUGGEST_ABORT
+#define SG_ERR_SUGGEST_REMAP SUGGEST_REMAP
+#define SG_ERR_SUGGEST_DIE SUGGEST_DIE
+#define SG_ERR_SUGGEST_SENSE SUGGEST_SENSE
+#define SG_ERR_SUGGEST_IS_OK SUGGEST_IS_OK
+#define SG_ERR_DRIVER_MASK DRIVER_MASK
+#define SG_ERR_SUGGEST_MASK SUGGEST_MASK
+
+#endif