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18#ifndef _SR_H
19#define _SR_H
20
21#include <linux/genhd.h>
22#include <linux/kref.h>
23#include <linux/mutex.h>
24
25#define MAX_RETRIES 3
26#define SR_TIMEOUT (30 * HZ)
27
28struct scsi_device;
29
30
31
32#define IOCTL_TIMEOUT 30*HZ
33
34
35typedef struct scsi_cd {
36 struct scsi_driver *driver;
37 unsigned capacity;
38 struct scsi_device *device;
39 unsigned int vendor;
40 unsigned long ms_offset;
41 unsigned writeable : 1;
42 unsigned use:1;
43 unsigned xa_flag:1;
44 unsigned readcd_known:1;
45 unsigned readcd_cdda:1;
46 unsigned media_present:1;
47
48
49 int tur_mismatch;
50 bool tur_changed:1;
51 bool get_event_changed:1;
52 bool ignore_get_event:1;
53
54 struct cdrom_device_info cdi;
55 struct mutex lock;
56
57
58 struct kref kref;
59 struct gendisk *disk;
60} Scsi_CD;
61
62#define sr_printk(prefix, cd, fmt, a...) \
63 sdev_prefix_printk(prefix, (cd)->device, (cd)->cdi.name, fmt, ##a)
64
65int sr_do_ioctl(Scsi_CD *, struct packet_command *);
66
67int sr_lock_door(struct cdrom_device_info *, int);
68int sr_tray_move(struct cdrom_device_info *, int);
69int sr_drive_status(struct cdrom_device_info *, int);
70int sr_disk_status(struct cdrom_device_info *);
71int sr_get_last_session(struct cdrom_device_info *, struct cdrom_multisession *);
72int sr_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
73int sr_reset(struct cdrom_device_info *);
74int sr_select_speed(struct cdrom_device_info *cdi, int speed);
75int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
76
77int sr_is_xa(Scsi_CD *);
78
79
80void sr_vendor_init(Scsi_CD *);
81int sr_cd_check(struct cdrom_device_info *);
82int sr_set_blocklength(Scsi_CD *, int blocklength);
83
84#endif
85