fdc.c File Reference

#include <sys/types.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <stropts.h>
#include <stdarg.h>
#include <time.h>
#include <errno.h>
#include <list.h>
#include <pthread.h>
#include <semaphore.h>
#include <object.h>
#include <vfs.h>
#include <device.h>
#include <dma.h>
#include <fdc.h>
#include <fdc_ctrl.h>
#include <fdc_single.h>
#include <zone.h>
#include <page_frame.h>
#include <onetime_map.h>
#include <debug.h>
#include <util.h>

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Functions
int	fdc_close (struct ninfo *ninfo, struct nctx *ctx)
int	fdc_init (void)
int	fdc_ioctl (struct ninfo *ninfo, struct nctx *ctx, int request, va_list va)
off_t	fdc_lseek (struct ninfo *ninfo, struct nctx *ctx, off_t offset, int whence)
int	fdc_open (struct ninfo *ninfo, struct nctx *ctx)
int	fdc_read (struct ninfo *ninfo, struct nctx *ctx, void *buf, size_t size)
int	fdc_write (struct ninfo *ninfo, struct nctx *ctx, const void *buf, size_t size)

Function Documentation

int fdc_close	(	struct ninfo *	ninfo,
		struct nctx *	ctx
	)

Definition at line 279 of file fdc.c.

References fdc_fini_ctrl(), fdc_motor_off(), free(), NULL, nctx::priv, pthread_mutex_lock(), and pthread_mutex_unlock().

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int fdc_ioctl	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		int	request,
		va_list	va
	)

Definition at line 256 of file fdc.c.

References EINVAL, fdc_version(), I_GETINFO, nctx::priv, pthread_mutex_lock(), pthread_mutex_unlock(), and va_arg.

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off_t fdc_lseek	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		off_t	offset,
		int	whence
	)

Definition at line 120 of file fdc.c.

References nctx::offset, pthread_mutex_lock(), pthread_mutex_unlock(), SEEK_CUR, SEEK_END, SEEK_SET, and ninfo::size.

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int fdc_open	(	struct ninfo *	ninfo,
		struct nctx *	ctx
	)

Definition at line 292 of file fdc.c.

References ninfo_dev::device, ENOMEM, fdc_init_ctrl(), fdc_motor_on(), free(), malloc(), MINOR, nctx::offset, nctx::priv, ninfo::priv, pthread_mutex_lock(), and pthread_mutex_unlock().

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int fdc_read	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		void *	buf,
		size_t	size
	)

Definition at line 142 of file fdc.c.

References EFAULT, ENOMEM, FD_BLKSZ, memcpy(), nctx::offset, onetime_map(), onetime_unmap(), page_frame_alloc(), page_frame_free(), printf(), nctx::priv, pthread_mutex_lock(), pthread_mutex_unlock(), and ZONE_BASE.

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int fdc_write	(	struct ninfo *	ninfo,
		struct nctx *	ctx,
		const void *	buf,
		size_t	size
	)

Definition at line 197 of file fdc.c.

References EFAULT, ENOMEM, FD_BLKSZ, memcpy(), nctx::offset, onetime_map(), onetime_unmap(), page_frame_alloc(), page_frame_free(), nctx::priv, pthread_mutex_lock(), pthread_mutex_unlock(), and ZONE_BASE.

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