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/*
* sr.h by David Giller
* CD-ROM disk driver header file
*
* adapted from:
* sd.h Copyright (C) 1992 Drew Eckhardt
* SCSI disk driver header file by
* Drew Eckhardt
*
* <drew@colorado.edu>
*
* Modified by Eric Youngdale eric@aib.com to
* add scatter-gather, multiple outstanding request, and other
* enhancements.
*/
#ifndef _SR_H
#define _SR_H
#include <linux/config.h>
#include "scsi.h"
typedef struct
{
unsigned capacity; /* size in blocks */
unsigned sector_size; /* size in bytes */
Scsi_Device *device;
unsigned int vendor; /* vendor code, see sr_vendor.c */
unsigned long ms_offset; /* for reading multisession-CD's */
unsigned char sector_bit_size; /* sector size = 2^sector_bit_size */
unsigned char sector_bit_shift; /* sectors/FS block = 2^sector_bit_shift*/
unsigned needs_sector_size:1; /* needs to get sector size */
unsigned ten:1; /* support ten byte commands */
unsigned remap:1; /* support remapping */
unsigned use:1; /* is this device still supportable */
unsigned xa_flag:1; /* CD has XA sectors */
struct cdrom_device_info cdi;
} Scsi_CD;
extern Scsi_CD * scsi_CDs;
int sr_do_ioctl(int, unsigned char*, void*, unsigned);
int sr_lock_door(struct cdrom_device_info*, int);
int sr_tray_move(struct cdrom_device_info*, int);
int sr_drive_status(struct cdrom_device_info*, int);
int sr_disk_status(struct cdrom_device_info*);
int sr_get_last_session(struct cdrom_device_info*, struct cdrom_multisession*);
int sr_get_mcn(struct cdrom_device_info*, struct cdrom_mcn*);
int sr_reset(struct cdrom_device_info*);
int sr_audio_ioctl(struct cdrom_device_info*, unsigned int, void*);
int sr_dev_ioctl(struct cdrom_device_info*, unsigned int, unsigned long);
/* vendor-specific */
#ifdef CONFIG_BLK_DEV_SR_VENDOR
void sr_vendor_init(int minor);
int sr_cd_check(struct cdrom_device_info*);
#endif
#endif
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