Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / ide / ide-cd.h

diff --git a/kernel/drivers/ide/ide-cd.h b/kernel/drivers/ide/ide-cd.h
new file mode 100644 (file)
index 0000000..1efc936
--- /dev/null
+++ b/kernel/drivers/ide/ide-cd.h
@@ -0,0 +1,126 @@
+/*
+ *  Copyright (C) 1996-98  Erik Andersen
+ *  Copyright (C) 1998-2000 Jens Axboe
+ */
+#ifndef _IDE_CD_H
+#define _IDE_CD_H
+
+#include <linux/cdrom.h>
+#include <asm/byteorder.h>
+
+#define IDECD_DEBUG_LOG                0
+
+#if IDECD_DEBUG_LOG
+#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, ## args)
+#else
+#define ide_debug_log(lvl, fmt, args...) do {} while (0)
+#endif
+
+#define ATAPI_WAIT_WRITE_BUSY  (10 * HZ)
+
+/************************************************************************/
+
+#define SECTOR_BITS            9
+#ifndef SECTOR_SIZE
+#define SECTOR_SIZE            (1 << SECTOR_BITS)
+#endif
+#define SECTORS_PER_FRAME      (CD_FRAMESIZE >> SECTOR_BITS)
+#define SECTOR_BUFFER_SIZE     (CD_FRAMESIZE * 32)
+
+/* Capabilities Page size including 8 bytes of Mode Page Header */
+#define ATAPI_CAPABILITIES_PAGE_SIZE           (8 + 20)
+#define ATAPI_CAPABILITIES_PAGE_PAD_SIZE       4
+
+/* Structure of a MSF cdrom address. */
+struct atapi_msf {
+       u8 reserved;
+       u8 minute;
+       u8 second;
+       u8 frame;
+};
+
+/* Space to hold the disk TOC. */
+#define MAX_TRACKS 99
+struct atapi_toc_header {
+       unsigned short toc_length;
+       u8 first_track;
+       u8 last_track;
+};
+
+struct atapi_toc_entry {
+       u8 reserved1;
+#if defined(__BIG_ENDIAN_BITFIELD)
+       u8 adr     : 4;
+       u8 control : 4;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+       u8 control : 4;
+       u8 adr     : 4;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+       u8 track;
+       u8 reserved2;
+       union {
+               unsigned lba;
+               struct atapi_msf msf;
+       } addr;
+};
+
+struct atapi_toc {
+       int    last_session_lba;
+       int    xa_flag;
+       unsigned long capacity;
+       struct atapi_toc_header hdr;
+       struct atapi_toc_entry  ent[MAX_TRACKS+1];
+         /* One extra for the leadout. */
+};
+
+/* Extra per-device info for cdrom drives. */
+struct cdrom_info {
+       ide_drive_t             *drive;
+       struct ide_driver       *driver;
+       struct gendisk          *disk;
+       struct device           dev;
+
+       /* Buffer for table of contents.  NULL if we haven't allocated
+          a TOC buffer for this device yet. */
+
+       struct atapi_toc *toc;
+
+       u8 max_speed;           /* Max speed of the drive. */
+       u8 current_speed;       /* Current speed of the drive. */
+
+        /* Per-device info needed by cdrom.c generic driver. */
+        struct cdrom_device_info devinfo;
+
+       unsigned long write_timeout;
+};
+
+/* ide-cd_verbose.c */
+void ide_cd_log_error(const char *, struct request *, struct request_sense *);
+
+/* ide-cd.c functions used by ide-cd_ioctl.c */
+int ide_cd_queue_pc(ide_drive_t *, const unsigned char *, int, void *,
+                   unsigned *, struct request_sense *, int, unsigned int);
+int ide_cd_read_toc(ide_drive_t *, struct request_sense *);
+int ide_cdrom_get_capabilities(ide_drive_t *, u8 *);
+void ide_cdrom_update_speed(ide_drive_t *, u8 *);
+int cdrom_check_status(ide_drive_t *, struct request_sense *);
+
+/* ide-cd_ioctl.c */
+int ide_cdrom_open_real(struct cdrom_device_info *, int);
+void ide_cdrom_release_real(struct cdrom_device_info *);
+int ide_cdrom_drive_status(struct cdrom_device_info *, int);
+unsigned int ide_cdrom_check_events_real(struct cdrom_device_info *,
+                                        unsigned int clearing, int slot_nr);
+int ide_cdrom_tray_move(struct cdrom_device_info *, int);
+int ide_cdrom_lock_door(struct cdrom_device_info *, int);
+int ide_cdrom_select_speed(struct cdrom_device_info *, int);
+int ide_cdrom_get_last_session(struct cdrom_device_info *,
+                              struct cdrom_multisession *);
+int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
+int ide_cdrom_reset(struct cdrom_device_info *cdi);
+int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
+int ide_cdrom_packet(struct cdrom_device_info *, struct packet_command *);
+
+#endif /* _IDE_CD_H */