linux/drivers/scsi/sr.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *      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 
 *
 *      <[email protected]>
 *
 *       Modified by Eric Youngdale [email protected] to
 *       add scatter-gather, multiple outstanding request, and other
 *       enhancements.
 */

#ifndef _SR_H
#define _SR_H

#include <linux/mutex.h>

#define MAX_RETRIES …
#define SR_TIMEOUT …

struct scsi_device;

/* The CDROM is fairly slow, so we need a little extra time */
/* In fact, it is very slow if it has to spin up first */
#define IOCTL_TIMEOUT …


Scsi_CD;

#define sr_printk(prefix, cd, fmt, a...) …

int sr_do_ioctl(Scsi_CD *, struct packet_command *);

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_select_speed(struct cdrom_device_info *cdi, unsigned long speed);
int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);

int sr_is_xa(Scsi_CD *);

/* sr_vendor.c */
void sr_vendor_init(Scsi_CD *);
int sr_cd_check(struct cdrom_device_info *);
int sr_set_blocklength(Scsi_CD *, int blocklength);

#endif