fdc_ctrl.c File Reference

#include <sys/types.h>
#include <sys/io.h>
#include <stddef.h>
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#include <errno.h>
#include <list.h>
#include <semaphore.h>
#include <device.h>
#include <pthread.h>
#include <assert.h>
#include <isr.h>
#include <interrupt.h>
#include <fdc.h>
#include <fdc_ctrl.h>
#include <fdc_single.h>
#include <debug.h>

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Functions
int	fdc_fini_ctrl (struct fdc_context *ctx)
int	fdc_init_ctrl (struct fdc_context *ctx, int minor)
int	fdc_lock (struct fdc_context *ctx)
void	fdc_motor_off (struct fdc_context *ctx)
void	fdc_motor_on (struct fdc_context *ctx)
int	fdc_read_deleted_sector (struct fdc_context *ctx, int c, int h, int r)
int	fdc_read_id (struct fdc_context *ctx, int head)
int	fdc_read_sector (struct fdc_context *ctx, int c, int h, int r)
int	fdc_read_track (struct fdc_context *ctx, unsigned char c, unsigned char h, unsigned char r)
int	fdc_seek (struct fdc_context *ctx, int cyl, int head)
int	fdc_unlock (struct fdc_context *ctx)
int	fdc_verify (struct fdc_context *ctx, unsigned char c, unsigned char h, unsigned char r)
int	fdc_version (struct fdc_context *ctx, unsigned char *ver)
int	fdc_write_deleted_sector (struct fdc_context *ctx, unsigned char c, unsigned char h, unsigned char r)
int	fdc_write_sector (struct fdc_context *ctx, unsigned char c, unsigned char h, unsigned char r)

Function Documentation

int fdc_fini_ctrl

(

struct fdc_context *

ctx)

Definition at line 1078 of file fdc_ctrl.c.

References fdc_single_put(), NULL, and fdc_context::single.

Referenced by fdc_close().

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int fdc_init_ctrl	(	struct fdc_context *	ctx,
		int	minor
	)

Definition at line 1041 of file fdc_ctrl.c.

References assert, DRIVE_A, EFAULT, EINVAL, ENOTSUP, FDC_PRIMARY, fdc_single_get(), fdc_single_initiate(), fdc_single_is_initiated(), fdc_version(), and fdc_context::single.

Referenced by fdc_open().

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int fdc_lock

(

struct fdc_context *

ctx)

Definition at line 307 of file fdc_ctrl.c.

References CMD_LOCK, EIO, and VALIDATE_RESULT.

void fdc_motor_off

(

struct fdc_context *

ctx)

Definition at line 1031 of file fdc_ctrl.c.

References fdc_single_ctrl(), fdc_single_drive(), inb(), digital_output_register::motor, outb(), REG_DOR, and fdc_context::single.

Referenced by fdc_close().

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void fdc_motor_on

(

struct fdc_context *

ctx)

Definition at line 1021 of file fdc_ctrl.c.

References fdc_single_ctrl(), fdc_single_drive(), inb(), digital_output_register::motor, outb(), REG_DOR, and fdc_context::single.

Referenced by fdc_open().

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int fdc_read_deleted_sector	(	struct fdc_context *	ctx,
		int	c,
		int	h,
		int	r
	)

Definition at line 345 of file fdc_ctrl.c.

References assert, CMD_EXT_DENSITY, CMD_EXT_MULTITRACK, CMD_EXT_SKIP, CMD_READ_DELETED_DATA, FD_SECTOR_PER_TRACK, fdc_single_drive(), fdc_single_sem(), SECTOR_512, sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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int fdc_read_id	(	struct fdc_context *	ctx,
		int	head
	)

Definition at line 443 of file fdc_ctrl.c.

References assert, CMD_EXT_DENSITY, CMD_READ_ID, fdc_single_drive(), fdc_single_sem(), sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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int fdc_read_sector	(	struct fdc_context *	ctx,
		int	c,
		int	h,
		int	r
	)

Note

Sector number(r) is started from 0.

Definition at line 502 of file fdc_ctrl.c.

References assert, CMD_EXT_DENSITY, CMD_EXT_MULTITRACK, CMD_EXT_SKIP, CMD_READ_DATA, FD_SECTOR_PER_TRACK, fdc_single_drive(), fdc_single_sem(), SECTOR_512, sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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int fdc_read_track	(	struct fdc_context *	ctx,
		unsigned char	c,
		unsigned char	h,
		unsigned char	r
	)

Definition at line 817 of file fdc_ctrl.c.

References assert, CMD_EXT_DENSITY, CMD_READ_TRACK, FD_SECTOR_PER_TRACK, fdc_single_drive(), fdc_single_sem(), SECTOR_512, sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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int fdc_seek	(	struct fdc_context *	ctx,
		int	cyl,
		int	head
	)

Definition at line 273 of file fdc_ctrl.c.

References assert, CMD_SEEK, EIO, fdc_single_drive(), fdc_single_sem(), sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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int fdc_unlock

(

struct fdc_context *

ctx)

Definition at line 326 of file fdc_ctrl.c.

References CMD_LOCK, EIO, and VALIDATE_RESULT.

int fdc_verify	(	struct fdc_context *	ctx,
		unsigned char	c,
		unsigned char	h,
		unsigned char	r
	)

Definition at line 913 of file fdc_ctrl.c.

References assert, CMD_EXT_DENSITY, CMD_EXT_MULTITRACK, CMD_EXT_SKIP, CMD_VERIFY, FD_SECTOR_PER_TRACK, fdc_single_drive(), fdc_single_sem(), sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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int fdc_version	(	struct fdc_context *	ctx,
		unsigned char *	ver
	)

Definition at line 1005 of file fdc_ctrl.c.

References CMD_VERSION, and VALIDATE_RESULT.

Referenced by fdc_init_ctrl(), and fdc_ioctl().

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int fdc_write_deleted_sector	(	struct fdc_context *	ctx,
		unsigned char	c,
		unsigned char	h,
		unsigned char	r
	)

Definition at line 720 of file fdc_ctrl.c.

References assert, CMD_EXT_DENSITY, CMD_EXT_MULTITRACK, CMD_WRITE_DELETED_DATA, FD_SECTOR_PER_TRACK, fdc_single_drive(), fdc_single_sem(), SECTOR_512, sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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int fdc_write_sector	(	struct fdc_context *	ctx,
		unsigned char	c,
		unsigned char	h,
		unsigned char	r
	)

Definition at line 612 of file fdc_ctrl.c.

References assert, CMD_EXT_DENSITY, CMD_EXT_MULTITRACK, CMD_WRITE_DATA, FD_SECTOR_PER_TRACK, fdc_single_drive(), fdc_single_sem(), SECTOR_512, sem_wait(), fdc_context::single, and VALIDATE_RESULT.

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