freebsd-dev/sys/dev/ata/ata_if.m

# Copyright (c) 2004 - 2006 S<EFBFBD>ren Schmidt <sos@FreeBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer,
#    without modification, immediately at the beginning of the file.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# $FreeBSD$

#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/callout.h>
#include <sys/sema.h>
#include <sys/taskqueue.h>
#include <vm/uma.h>
#include <machine/bus.h>
#include <sys/ata.h>
#include <dev/ata/ata-all.h>

INTERFACE ata;

CODE {
	static int ata_null_locking(device_t dev, int mode)
	{
	    struct ata_channel *ch = device_get_softc(dev);
	
	    return ch->unit;
	}
};
METHOD int locking {
    device_t    channel;
    int         mode;
} DEFAULT ata_null_locking;
HEADER {
#define         ATA_LF_LOCK             0x0001
#define         ATA_LF_UNLOCK           0x0002
#define         ATA_LF_WHICH            0x0004
};

CODE {
	static void ata_null_setmode(device_t parent, device_t dev)
	{
	    struct ata_device *atadev = device_get_softc(dev);

	    atadev->mode = ata_limit_mode(dev, atadev->mode, ATA_PIO_MAX);
	}
};
METHOD void setmode {
    device_t    channel;
    device_t    dev;
}  DEFAULT ata_null_setmode;;

METHOD void reset {
    device_t    channel;
} DEFAULT ata_generic_reset;

METHOD int reinit {
    device_t    dev;
};