3 * CD-ROM disk driver header file
6 * sd.h Copyright (C) 1992 Drew Eckhardt
7 * SCSI disk driver header file by
12 * Modified by Eric Youngdale eric@andante.org to
13 * add scatter-gather, multiple outstanding request, and other
20 #include <linux/genhd.h>
21 #include <linux/kref.h>
25 /* The CDROM is fairly slow, so we need a little extra time */
26 /* In fact, it is very slow if it has to spin up first */
27 #define IOCTL_TIMEOUT 30*HZ
30 typedef struct scsi_cd {
31 struct scsi_driver *driver;
32 unsigned capacity; /* size in blocks */
33 struct scsi_device *device;
34 unsigned int vendor; /* vendor code, see sr_vendor.c */
35 unsigned long ms_offset; /* for reading multisession-CD's */
36 unsigned use:1; /* is this device still supportable */
37 unsigned xa_flag:1; /* CD has XA sectors ? */
38 unsigned readcd_known:1; /* drive supports READ_CD (0xbe) */
39 unsigned readcd_cdda:1; /* reading audio data using READ_CD */
40 struct cdrom_device_info cdi;
41 /* We hold gendisk and scsi_device references on probe and use
42 * the refs on this kref to decide when to release them */
47 int sr_do_ioctl(Scsi_CD *, struct packet_command *);
49 int sr_lock_door(struct cdrom_device_info *, int);
50 int sr_tray_move(struct cdrom_device_info *, int);
51 int sr_drive_status(struct cdrom_device_info *, int);
52 int sr_disk_status(struct cdrom_device_info *);
53 int sr_get_last_session(struct cdrom_device_info *, struct cdrom_multisession *);
54 int sr_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
55 int sr_reset(struct cdrom_device_info *);
56 int sr_select_speed(struct cdrom_device_info *cdi, int speed);
57 int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
59 int sr_is_xa(Scsi_CD *);
62 void sr_vendor_init(Scsi_CD *);
63 int sr_cd_check(struct cdrom_device_info *);
64 int sr_set_blocklength(Scsi_CD *, int blocklength);