456a3fc952
Don't use colors since the terminal doesn't support it. Also packing is broken on MinGW so use #pragma pack when compiling for windows, this is also supported by MSCV. Change-Id: I635649d52ed5f2e0af46cb9ca2ec325955b2ddb2
96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2014 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __RB_SCSI_H__
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#define __RB_SCSI_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct rb_scsi_device_t;
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typedef struct rb_scsi_device_t *rb_scsi_device_t;
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typedef void (*rb_scsi_printf_t)(void *user, const char *fmt, ...);
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/* flags for rb_scsi_open */
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#define RB_SCSI_READ_ONLY (1 << 0)
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#define RB_SCSI_DEBUG (1 << 1)
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/* transfer direction */
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#define RB_SCSI_NONE 0
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#define RB_SCSI_READ 1
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#define RB_SCSI_WRITE 2
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/* most common status */
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#define RB_SCSI_GOOD 0
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#define RB_SCSI_CHECK_CONDITION 2
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#define RB_SCSI_COMMAND_TERMINATED 0x22
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/* return codes */
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#define RB_SCSI_OK 0 /* Everything worked */
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#define RB_SCSI_STATUS 1 /* Device returned an error in status */
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#define RB_SCSI_SENSE 2 /* Device returned sense data */
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#define RB_SCSI_OS_ERROR 3 /* Transfer failed, got OS error */
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#define RB_SCSI_ERROR 4 /* Transfer failed, got transfer/host error */
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/* structure for raw transfers */
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struct rb_scsi_raw_cmd_t
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{
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int dir; /* direction: none, read or write */
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int cdb_len; /* command buffer length */
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void *cdb; /* command buffer */
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int buf_len; /* data buffer length (will be overwritten with actual count) */
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void *buf; /* buffer */
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int sense_len; /* sense buffer length (will be overwritten with actual count) */
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void *sense; /* sense buffer */
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int tmo; /* timeout (in seconds) */
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int status; /* status returned by device (STATUS) or errno (OS_ERROR) or other error (ERROR) */
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};
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/* open a device, returns a handle or NULL on error
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* the caller can optionally provide an error printing function
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*
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* Linux:
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* Path must be the block device, typically /dev/sdX and the program
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* must have the permission to open it in read/write mode.
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*
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* Windows:
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* If the path starts with '\', it will be use as-is. This allows to use
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* paths such as \\.\PhysicalDriveX or \\.\ScsiX
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* Alternatively, the code will try to map a logical drive (such as 'C:') to
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* the correspoding physical drive.
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* In any case, on recent windows, the program needs to be started with
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* Administrator privileges.
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*/
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rb_scsi_device_t rb_scsi_open(const char *path, unsigned flags, void *user,
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rb_scsi_printf_t printf);
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/* performs a raw transfer, returns !=0 on error */
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int rb_scsi_raw_xfer(rb_scsi_device_t dev, struct rb_scsi_raw_cmd_t *raw);
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/* decode sense and print information if debug flag is set */
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void rb_scsi_decode_sense(rb_scsi_device_t dev, void *sense, int sense_len);
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/* close a device */
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void rb_scsi_close(rb_scsi_device_t dev);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __RB_SCSI_H__ */
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