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/*
* QEMU IDE Emulation: ISA Bus support.
*
* Copyright (c) 2003 Fabrice Bellard
* Copyright (c) 2006 Openedhand Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include <hw/hw.h>
#include <hw/i386/pc.h>
#include <hw/isa/isa.h>
#include "sysemu/block-backend.h"
#include "sysemu/dma.h"
#include <hw/ide/internal.h>
/***********************************************************/
/* ISA IDE definitions */
#define TYPE_ISA_IDE "isa-ide"
#define ISA_IDE(obj) OBJECT_CHECK(ISAIDEState, (obj), TYPE_ISA_IDE)
typedef struct ISAIDEState {
ISADevice parent_obj;
IDEBus bus;
uint32_t iobase;
uint32_t iobase2;
uint32_t isairq;
qemu_irq irq;
} ISAIDEState;
static void isa_ide_reset(DeviceState *d)
{
ISAIDEState *s = ISA_IDE(d);
ide_bus_reset(&s->bus);
}
static const VMStateDescription vmstate_ide_isa = {
.name = "isa-ide",
.version_id = 3,
.minimum_version_id = 0,
.fields = (VMStateField[]) {
VMSTATE_IDE_BUS(bus, ISAIDEState),
VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState),
VMSTATE_END_OF_LIST()
}
};
static void isa_ide_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *isadev = ISA_DEVICE(dev);
ISAIDEState *s = ISA_IDE(dev);
ide_bus_new(&s->bus, sizeof(s->bus), dev, 0, 2);
ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2);
isa_init_irq(isadev, &s->irq, s->isairq);
ide_init2(&s->bus, s->irq);
vmstate_register(dev, 0, &vmstate_ide_isa, s);
ide_register_restart_cb(&s->bus);
}
ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq,
DriveInfo *hd0, DriveInfo *hd1)
{
DeviceState *dev;
ISADevice *isadev;
ISAIDEState *s;
isadev = isa_create(bus, TYPE_ISA_IDE);
dev = DEVICE(isadev);
qdev_prop_set_uint32(dev, "iobase", iobase);
qdev_prop_set_uint32(dev, "iobase2", iobase2);
qdev_prop_set_uint32(dev, "irq", isairq);
qdev_init_nofail(dev);
s = ISA_IDE(dev);
if (hd0) {
ide_create_drive(&s->bus, 0, hd0);
}
if (hd1) {
ide_create_drive(&s->bus, 1, hd1);
}
return isadev;
}
static Property isa_ide_properties[] = {
DEFINE_PROP_UINT32("iobase", ISAIDEState, iobase, 0x1f0),
DEFINE_PROP_UINT32("iobase2", ISAIDEState, iobase2, 0x3f6),
DEFINE_PROP_UINT32("irq", ISAIDEState, isairq, 14),
DEFINE_PROP_END_OF_LIST(),
};
static void isa_ide_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = isa_ide_realizefn;
dc->fw_name = "ide";
dc->reset = isa_ide_reset;
dc->props = isa_ide_properties;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
}
static const TypeInfo isa_ide_info = {
.name = TYPE_ISA_IDE,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(ISAIDEState),
.class_init = isa_ide_class_initfn,
};
static void isa_ide_register_types(void)
{
type_register_static(&isa_ide_info);
}
type_init(isa_ide_register_types)
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