freebsd-skq/sys/dev/ata/ata_if.m
sos 34ad230814 Add experimental support for SATA Port Multipliers
Support is working on the Silicon Image SiI3124/3132.
Support is working on some AHCI chips but far from all.

Remember this is WIP, so test reports and (constructive) suggestions are welcome!
2008-04-10 13:05:05 +00:00

79 lines
2.4 KiB
Objective-C

# Copyright (c) 2004 - 2008 Søren 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,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# $FreeBSD$
#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;
};