*/
#define REQ_DRIVE_RESET 0x20
#define REQ_DEVSET_EXEC 0x21
+#define REQ_PARK_HEADS 0x22
+#define REQ_UNPARK_HEADS 0x23
/*
* Check for an interrupt and acknowledge the interrupt status
struct ide_acpi_hwif_link;
#endif
+struct ide_drive_s;
+
+struct ide_disk_ops {
+ int (*check)(struct ide_drive_s *, const char *);
+ int (*get_capacity)(struct ide_drive_s *);
+ void (*setup)(struct ide_drive_s *);
+ void (*flush)(struct ide_drive_s *);
+ int (*init_media)(struct ide_drive_s *, struct gendisk *);
+ int (*set_doorlock)(struct ide_drive_s *, struct gendisk *,
+ int);
+ ide_startstop_t (*do_request)(struct ide_drive_s *, struct request *,
+ sector_t);
+ int (*end_request)(struct ide_drive_s *, int, int);
+ int (*ioctl)(struct ide_drive_s *, struct block_device *,
+ fmode_t, unsigned int, unsigned long);
+};
+
/* ATAPI device flags */
enum {
IDE_AFLAG_DRQ_INTERRUPT = (1 << 0),
- IDE_AFLAG_MEDIA_CHANGED = (1 << 1),
- /* Drive cannot lock the door. */
- IDE_AFLAG_NO_DOORLOCK = (1 << 2),
/* ide-cd */
/* Drive cannot eject the disc. */
IDE_AFLAG_LE_SPEED_FIELDS = (1 << 17),
/* ide-floppy */
- /* Format in progress */
- IDE_AFLAG_FORMAT_IN_PROGRESS = (1 << 18),
/* Avoid commands not supported in Clik drive */
IDE_AFLAG_CLIK_DRIVE = (1 << 19),
/* Requires BH algorithm for packets */
IDE_AFLAG_ZIP_DRIVE = (1 << 20),
- /* Write protect */
- IDE_AFLAG_WP = (1 << 21),
/* Supports format progress report */
IDE_AFLAG_SRFP = (1 << 22),
/* retrying in PIO */
IDE_DFLAG_DMA_PIO_RETRY = (1 << 25),
IDE_DFLAG_LBA = (1 << 26),
+ /* don't unload heads */
+ IDE_DFLAG_NO_UNLOAD = (1 << 27),
+ /* heads unloaded, please don't reset port */
+ IDE_DFLAG_PARKED = (1 << 28),
+ IDE_DFLAG_MEDIA_CHANGED = (1 << 29),
+ /* write protect */
+ IDE_DFLAG_WP = (1 << 30),
+ IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 31),
};
struct ide_drive_s {
#endif
struct hwif_s *hwif; /* actually (ide_hwif_t *) */
+ const struct ide_disk_ops *disk_ops;
+
unsigned long dev_flags;
unsigned long sleep; /* sleep until this time */
void (*resume)(ide_drive_t *);
void (*shutdown)(ide_drive_t *);
#ifdef CONFIG_IDE_PROC_FS
- ide_proc_entry_t *proc;
- const struct ide_proc_devset *settings;
+ ide_proc_entry_t * (*proc_entries)(ide_drive_t *);
+ const struct ide_proc_devset * (*proc_devsets)(ide_drive_t *);
#endif
};
int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int,
unsigned long, const struct ide_ioctl_devset *);
-int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *,
- unsigned, unsigned long);
+int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned long);
extern int ide_vlb_clk;
extern int ide_pci_clk;
void ide_init_pc(struct ide_atapi_pc *);
+/* Disk head parking */
+extern wait_queue_head_t ide_park_wq;
+ssize_t ide_park_show(struct device *dev, struct device_attribute *attr,
+ char *buf);
+ssize_t ide_park_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t len);
+
/*
* Special requests for ide-tape block device strategy routine.
*