2 * QEMU IDE Emulation: ISA Bus support.
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2006 Openedhand Ltd.
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 #include "qemu/osdep.h"
27 #include "hw/isa/isa.h"
28 #include "hw/qdev-properties.h"
29 #include "migration/vmstate.h"
30 #include "qapi/error.h"
31 #include "qemu/module.h"
32 #include "sysemu/dma.h"
34 #include "hw/ide/internal.h"
35 #include "qom/object.h"
37 /***********************************************************/
38 /* ISA IDE definitions */
40 #define TYPE_ISA_IDE "isa-ide"
41 typedef struct ISAIDEState ISAIDEState
;
42 #define ISA_IDE(obj) OBJECT_CHECK(ISAIDEState, (obj), TYPE_ISA_IDE)
54 static void isa_ide_reset(DeviceState
*d
)
56 ISAIDEState
*s
= ISA_IDE(d
);
58 ide_bus_reset(&s
->bus
);
61 static const VMStateDescription vmstate_ide_isa
= {
64 .minimum_version_id
= 0,
65 .fields
= (VMStateField
[]) {
66 VMSTATE_IDE_BUS(bus
, ISAIDEState
),
67 VMSTATE_IDE_DRIVES(bus
.ifs
, ISAIDEState
),
72 static void isa_ide_realizefn(DeviceState
*dev
, Error
**errp
)
74 ISADevice
*isadev
= ISA_DEVICE(dev
);
75 ISAIDEState
*s
= ISA_IDE(dev
);
77 ide_bus_new(&s
->bus
, sizeof(s
->bus
), dev
, 0, 2);
78 ide_init_ioport(&s
->bus
, isadev
, s
->iobase
, s
->iobase2
);
79 isa_init_irq(isadev
, &s
->irq
, s
->isairq
);
80 ide_init2(&s
->bus
, s
->irq
);
81 vmstate_register(VMSTATE_IF(dev
), 0, &vmstate_ide_isa
, s
);
82 ide_register_restart_cb(&s
->bus
);
85 ISADevice
*isa_ide_init(ISABus
*bus
, int iobase
, int iobase2
, int isairq
,
86 DriveInfo
*hd0
, DriveInfo
*hd1
)
92 isadev
= isa_new(TYPE_ISA_IDE
);
94 qdev_prop_set_uint32(dev
, "iobase", iobase
);
95 qdev_prop_set_uint32(dev
, "iobase2", iobase2
);
96 qdev_prop_set_uint32(dev
, "irq", isairq
);
97 isa_realize_and_unref(isadev
, bus
, &error_fatal
);
101 ide_create_drive(&s
->bus
, 0, hd0
);
104 ide_create_drive(&s
->bus
, 1, hd1
);
109 static Property isa_ide_properties
[] = {
110 DEFINE_PROP_UINT32("iobase", ISAIDEState
, iobase
, 0x1f0),
111 DEFINE_PROP_UINT32("iobase2", ISAIDEState
, iobase2
, 0x3f6),
112 DEFINE_PROP_UINT32("irq", ISAIDEState
, isairq
, 14),
113 DEFINE_PROP_END_OF_LIST(),
116 static void isa_ide_class_initfn(ObjectClass
*klass
, void *data
)
118 DeviceClass
*dc
= DEVICE_CLASS(klass
);
120 dc
->realize
= isa_ide_realizefn
;
122 dc
->reset
= isa_ide_reset
;
123 device_class_set_props(dc
, isa_ide_properties
);
124 set_bit(DEVICE_CATEGORY_STORAGE
, dc
->categories
);
127 static const TypeInfo isa_ide_info
= {
128 .name
= TYPE_ISA_IDE
,
129 .parent
= TYPE_ISA_DEVICE
,
130 .instance_size
= sizeof(ISAIDEState
),
131 .class_init
= isa_ide_class_initfn
,
134 static void isa_ide_register_types(void)
136 type_register_static(&isa_ide_info
);
139 type_init(isa_ide_register_types
)