1 files changed, 68 insertions, 0 deletions

diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
new file mode 100644
index 000000000000..0b3178007203
--- /dev/null
+++ b/drivers/scsi/sr.h
@@ -0,0 +1,68 @@
+/*
+ *      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>
+
+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 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;
+        /* 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;
+
+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_dev_ioctl(struct cdrom_device_info *, unsigned int, unsigned long);
+
+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