ide-floppy.h revision 6b0da28b2d0f4f4e2c55689fc062db569075ff60 
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 */
9typedef 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	/* Last failed packet command */
17	struct ide_atapi_pc *failed_pc;
18	/* used for blk_{fs,pc}_request() requests */
19	struct ide_atapi_pc queued_pc;
20
21	/* Last error information */
22	u8 sense_key, asc, ascq;
23	/* delay this long before sending packet command */
24	u8 ticks;
25	int progress_indication;
26
27	/* Device information */
28	/* Current format */
29	int blocks, block_size, bs_factor;
30	/* Last format capacity descriptor */
31	u8 cap_desc[8];
32	/* Copy of the flexible disk page */
33	u8 flexible_disk_page[32];
34} idefloppy_floppy_t;
35
36/*
37 * Pages of the SELECT SENSE / MODE SENSE packet commands.
38 * See SFF-8070i spec.
39 */
40#define	IDEFLOPPY_CAPABILITIES_PAGE	0x1b
41#define IDEFLOPPY_FLEXIBLE_DISK_PAGE	0x05
42
43/* IOCTLs used in low-level formatting. */
44#define	IDEFLOPPY_IOCTL_FORMAT_SUPPORTED	0x4600
45#define	IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY	0x4601
46#define	IDEFLOPPY_IOCTL_FORMAT_START		0x4602
47#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS	0x4603
48
49/* ide-floppy.c */
50void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
51void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
52
53/* ide-floppy_ioctl.c */
54int ide_floppy_format_ioctl(ide_drive_t *, struct file *, unsigned int,
55			    void __user *);
56
57#endif /*__IDE_FLOPPY_H */
58