* -- <linux/cdrom.h>
* General header file for linux CD-ROM drivers
* Copyright (C) 1992 David Giller, rafetmad@oxy.edu
- * 1994, 1995 Eberhard Moenkeberg, emoenke@gwdg.de
+ * 1994, 1995 Eberhard Mรถnkeberg, emoenke@gwdg.de
* 1996 David van Leeuwen, david@tm.tno.nl
* 1997, 1998 Erik Andersen, andersee@debian.org
* 1998-2002 Jens Axboe, axboe@suse.de
#ifndef _LINUX_CDROM_H
#define _LINUX_CDROM_H
+#include <linux/types.h>
#include <asm/byteorder.h>
/*******************************************************
(struct cdrom_multisession) */
#define CDROM_GET_MCN 0x5311 /* Obtain the "Universal Product Code"
if available (struct cdrom_mcn) */
-#define CDROM_GET_UPC CDROM_GET_MCN /* This one is depricated,
+#define CDROM_GET_UPC CDROM_GET_MCN /* This one is deprecated,
but here anyway for compatibility */
#define CDROMRESET 0x5312 /* hard-reset the drive */
#define CDROMVOLREAD 0x5313 /* Get the drive's volume setting
#define CDO_CHECK_TYPE 0x10 /* check type on open for data */
/* Special codes used when specifying changer slots. */
-#define CDSL_NONE ((int) (~0U>>1)-1)
-#define CDSL_CURRENT ((int) (~0U>>1))
+#define CDSL_NONE (INT_MAX-1)
+#define CDSL_CURRENT INT_MAX
/* For partition based multisession access. IDE can handle 64 partitions
* per drive - SCSI CD-ROM's use minors to differentiate between the
#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
#define GPCMD_READ_10 0x28
#define GPCMD_READ_12 0xa8
+#define GPCMD_READ_BUFFER 0x3c
#define GPCMD_READ_BUFFER_CAPACITY 0x5c
#define GPCMD_READ_CDVD_CAPACITY 0x25
#define GPCMD_READ_CD 0xbe
#define GPCMD_TEST_UNIT_READY 0x00
#define GPCMD_VERIFY_10 0x2f
#define GPCMD_WRITE_10 0x2a
+#define GPCMD_WRITE_12 0xaa
#define GPCMD_WRITE_AND_VERIFY_10 0x2e
+#define GPCMD_WRITE_BUFFER 0x3b
/* This is listed as optional in ATAPI 2.6, but is (curiously)
* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
* Table 377 as an MMC command for SCSi devices though... Most ATAPI
#define GPMODE_TO_PROTECT_PAGE 0x1d
#define GPMODE_CAPABILITIES_PAGE 0x2a
#define GPMODE_ALL_PAGES 0x3f
-/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
+/* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor
* of MODE_SENSE_POWER_PAGE */
#define GPMODE_CDROM_PAGE 0x0d
#define MRW_MODE_PC 0x03
struct mrw_feature_desc {
- __u16 feature_code;
+ __be16 feature_code;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 2;
__u8 feature_version : 4;
/* cf. mmc4r02g.pdf 5.3.10 Random Writable Feature (0020h) pg 197 of 635 */
struct rwrt_feature_desc {
- __u16 feature_code;
+ __be16 feature_code;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 2;
__u8 feature_version : 4;
};
typedef struct {
- __u16 disc_information_length;
+ __be16 disc_information_length;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 3;
__u8 erasable : 1;
} disc_information;
typedef struct {
- __u16 track_information_length;
+ __be16 track_information_length;
__u8 track_lsb;
__u8 session_lsb;
__u8 reserved1;
__u8 lra_v : 1;
__u8 reserved3 : 6;
#endif
- __u32 track_start;
- __u32 next_writable;
- __u32 free_blocks;
- __u32 fixed_packet_size;
- __u32 track_size;
- __u32 last_rec_address;
+ __be32 track_start;
+ __be32 next_writable;
+ __be32 free_blocks;
+ __be32 fixed_packet_size;
+ __be32 track_size;
+ __be32 last_rec_address;
} track_information;
struct feature_header {
};
struct mode_page_header {
- __u16 mode_data_length;
+ __be16 mode_data_length;
__u8 medium_type;
__u8 reserved1;
__u8 reserved2;
__u8 reserved3;
- __u16 desc_length;
+ __be16 desc_length;
};
#ifdef __KERNEL__
#include <linux/fs.h> /* not really needed, later.. */
#include <linux/device.h>
+#include <linux/list.h>
struct packet_command
{
/* Uniform cdrom data structures for cdrom.c */
struct cdrom_device_info {
struct cdrom_device_ops *ops; /* link to device_ops */
- struct cdrom_device_info *next; /* next device_info for this major */
+ struct list_head list; /* linked list of all device_info */
struct gendisk *disk; /* matching block layer disk */
void *handle; /* driver-dependent data */
/* specifications */
int speed; /* maximum speed for reading data */
int capacity; /* number of discs in jukebox */
/* device-related storage */
- int options : 30; /* options flags */
+ unsigned int options : 30; /* options flags */
unsigned mc_flags : 2; /* media change buffer flags */
int use_count; /* number of times device opened */
char name[20]; /* name of the device type */
};
/* the general block_device operations structure: */
-extern int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip,
- struct file *fp);
-extern int cdrom_release(struct cdrom_device_info *cdi, struct file *fp);
-extern int cdrom_ioctl(struct file *file, struct cdrom_device_info *cdi,
- struct inode *ip, unsigned int cmd, unsigned long arg);
+extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev,
+ fmode_t mode);
+extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode);
+extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
+ fmode_t mode, unsigned int cmd, unsigned long arg);
extern int cdrom_media_changed(struct cdrom_device_info *);
extern int register_cdrom(struct cdrom_device_info *cdi);
-extern int unregister_cdrom(struct cdrom_device_info *cdi);
+extern void unregister_cdrom(struct cdrom_device_info *cdi);
typedef struct {
int data;
#endif
__u8 session_format;
__u8 reserved6;
- __u32 packet_size;
+ __be32 packet_size;
__u16 audio_pause;
__u8 mcn[16];
__u8 isrc[16];
} rpc_state_t;
struct event_header {
- __u16 data_len;
+ __be16 data_len;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 nea : 1;
__u8 reserved1 : 4;
extern int cdrom_get_media_event(struct cdrom_device_info *cdi, struct media_event_desc *med);
+static inline void lba_to_msf(int lba, u8 *m, u8 *s, u8 *f)
+{
+ lba += CD_MSF_OFFSET;
+ lba &= 0xffffff; /* negative lbas use only 24 bits */
+ *m = lba / (CD_SECS * CD_FRAMES);
+ lba %= (CD_SECS * CD_FRAMES);
+ *s = lba / CD_FRAMES;
+ *f = lba % CD_FRAMES;
+}
+
+static inline int msf_to_lba(u8 m, u8 s, u8 f)
+{
+ return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET;
+}
#endif /* End of kernel only stuff */
#endif /* _LINUX_CDROM_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff