drivers/ide/ide-floppy.h

   1 #ifndef __IDE_FLOPPY_H
   2 #define __IDE_FLOPPY_H
   3
   4 /*
   5  * Most of our global data which we need to save even as we leave the driver
   6  * due to an interrupt or a timer event is stored in a variable of type
   7  * idefloppy_floppy_t, defined below.
   8  */
   9 typedef struct ide_floppy_obj {
  10         ide_drive_t     *drive;
  11         ide_driver_t    *driver;
  12         struct gendisk  *disk;
  13         struct kref     kref;
  14         unsigned int    openers;        /* protected by BKL for now */
  15
  16         /* Current packet command */
  17         struct ide_atapi_pc *pc;
  18         /* Last failed packet command */
  19         struct ide_atapi_pc *failed_pc;
  20         /* used for blk_{fs,pc}_request() requests */
  21         struct ide_atapi_pc queued_pc;
  22
  23         struct ide_atapi_pc request_sense_pc;
  24         struct request request_sense_rq;
  25
  26         /* Last error information */
  27         u8 sense_key, asc, ascq;
  28         /* delay this long before sending packet command */
  29         u8 ticks;
  30         int progress_indication;
  31
  32         /* Device information */
  33         /* Current format */
  34         int blocks, block_size, bs_factor;
  35         /* Last format capacity descriptor */
  36         u8 cap_desc[8];
  37         /* Copy of the flexible disk page */
  38         u8 flexible_disk_page[32];
  39 } idefloppy_floppy_t;
  40
  41 /*
  42  * Pages of the SELECT SENSE / MODE SENSE packet commands.
  43  * See SFF-8070i spec.
  44  */
  45 #define IDEFLOPPY_CAPABILITIES_PAGE     0x1b
  46 #define IDEFLOPPY_FLEXIBLE_DISK_PAGE    0x05
  47
  48 /* IOCTLs used in low-level formatting. */
  49 #define IDEFLOPPY_IOCTL_FORMAT_SUPPORTED        0x4600
  50 #define IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY     0x4601
  51 #define IDEFLOPPY_IOCTL_FORMAT_START            0x4602
  52 #define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS     0x4603
  53
  54 /* ide-floppy.c */
  55 void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
  56 void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
  57 void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *);
  58
  59 /* ide-floppy_ioctl.c */
  60 int ide_floppy_format_ioctl(ide_drive_t *, struct file *, unsigned int,
  61                             void __user *);
  62
  63 #endif /*__IDE_FLOPPY_H */