mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 14:43:58 +08:00
22e0d99415
Like scmd_printk(), but the device name is passed in as a string. Can be used by eg ULDs which do not have access to the scsi_cmnd structure. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
|
|
* 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@andante.org to
|
|
* add scatter-gather, multiple outstanding request, and other
|
|
* enhancements.
|
|
*/
|
|
|
|
#ifndef _SR_H
|
|
#define _SR_H
|
|
|
|
#include <linux/genhd.h>
|
|
#include <linux/kref.h>
|
|
|
|
#define MAX_RETRIES 3
|
|
#define SR_TIMEOUT (30 * HZ)
|
|
|
|
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 30*HZ
|
|
|
|
|
|
typedef struct scsi_cd {
|
|
struct scsi_driver *driver;
|
|
unsigned capacity; /* size in blocks */
|
|
struct scsi_device *device;
|
|
unsigned int vendor; /* vendor code, see sr_vendor.c */
|
|
unsigned long ms_offset; /* for reading multisession-CD's */
|
|
unsigned writeable : 1;
|
|
unsigned use:1; /* is this device still supportable */
|
|
unsigned xa_flag:1; /* CD has XA sectors ? */
|
|
unsigned readcd_known:1; /* drive supports READ_CD (0xbe) */
|
|
unsigned readcd_cdda:1; /* reading audio data using READ_CD */
|
|
unsigned media_present:1; /* media is present */
|
|
|
|
/* GET_EVENT spurious event handling, blk layer guarantees exclusion */
|
|
int tur_mismatch; /* nr of get_event TUR mismatches */
|
|
bool tur_changed:1; /* changed according to TUR */
|
|
bool get_event_changed:1; /* changed according to GET_EVENT */
|
|
bool ignore_get_event:1; /* GET_EVENT is unreliable, use TUR */
|
|
|
|
struct cdrom_device_info cdi;
|
|
/* We hold gendisk and scsi_device references on probe and use
|
|
* the refs on this kref to decide when to release them */
|
|
struct kref kref;
|
|
struct gendisk *disk;
|
|
} Scsi_CD;
|
|
|
|
#define sr_printk(prefix, cd, fmt, a...) \
|
|
sdev_prefix_printk(prefix, (cd)->device, (cd)->cdi.name, 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, int 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
|