1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* 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 "scsi.h"
typedef struct {
unsigned capacity; /* size in blocks */
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 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 */
struct cdrom_device_info cdi;
} Scsi_CD;
extern Scsi_CD *scsi_CDs;
int sr_do_ioctl(int, unsigned char *, void *, unsigned, int, int, struct request_sense *);
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_dev_ioctl(struct cdrom_device_info *, unsigned int, unsigned long);
int sr_read_sector(int minor, int lba, int blksize, unsigned char *dest);
int sr_is_xa(int minor);
/* sr_vendor.c */
void sr_vendor_init(int minor);
int sr_cd_check(struct cdrom_device_info *);
int sr_set_blocklength(int minor, int blocklength);
#endif
|
