xref: /illumos-kvm-cmd/hw/ide/isa.c (revision 68396ea9)
1 /*
2  * QEMU IDE Emulation: ISA Bus support.
3  *
4  * Copyright (c) 2003 Fabrice Bellard
5  * Copyright (c) 2006 Openedhand Ltd.
6  *
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:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
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
23  * THE SOFTWARE.
24  */
25 #include <hw/hw.h>
26 #include <hw/pc.h>
27 #include <hw/isa.h>
28 #include "block.h"
29 #include "block_int.h"
30 #include "sysemu.h"
31 #include "dma.h"
32 
33 #include <hw/ide/internal.h>
34 
35 /***********************************************************/
36 /* ISA IDE definitions */
37 
38 typedef struct ISAIDEState {
39     ISADevice dev;
40     IDEBus    bus;
41     uint32_t  iobase;
42     uint32_t  iobase2;
43     uint32_t  isairq;
44     qemu_irq  irq;
45 } ISAIDEState;
46 
isa_ide_reset(DeviceState * d)47 static void isa_ide_reset(DeviceState *d)
48 {
49     ISAIDEState *s = container_of(d, ISAIDEState, dev.qdev);
50 
51     ide_bus_reset(&s->bus);
52 }
53 
54 static const VMStateDescription vmstate_ide_isa = {
55     .name = "isa-ide",
56     .version_id = 3,
57     .minimum_version_id = 0,
58     .minimum_version_id_old = 0,
59     .fields      = (VMStateField []) {
60         VMSTATE_IDE_BUS(bus, ISAIDEState),
61         VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState),
62         VMSTATE_END_OF_LIST()
63     }
64 };
65 
isa_ide_initfn(ISADevice * dev)66 static int isa_ide_initfn(ISADevice *dev)
67 {
68     ISAIDEState *s = DO_UPCAST(ISAIDEState, dev, dev);
69 
70     ide_bus_new(&s->bus, &s->dev.qdev, 0);
71     ide_init_ioport(&s->bus, s->iobase, s->iobase2);
72     isa_init_irq(dev, &s->irq, s->isairq);
73     isa_init_ioport_range(dev, s->iobase, 8);
74     isa_init_ioport(dev, s->iobase2);
75     ide_init2(&s->bus, s->irq);
76     vmstate_register(&dev->qdev, 0, &vmstate_ide_isa, s);
77     return 0;
78 };
79 
isa_ide_init(int iobase,int iobase2,int isairq,DriveInfo * hd0,DriveInfo * hd1)80 ISADevice *isa_ide_init(int iobase, int iobase2, int isairq,
81                         DriveInfo *hd0, DriveInfo *hd1)
82 {
83     ISADevice *dev;
84     ISAIDEState *s;
85 
86     dev = isa_create("isa-ide");
87     qdev_prop_set_uint32(&dev->qdev, "iobase",  iobase);
88     qdev_prop_set_uint32(&dev->qdev, "iobase2", iobase2);
89     qdev_prop_set_uint32(&dev->qdev, "irq",     isairq);
90     if (qdev_init(&dev->qdev) < 0)
91         return NULL;
92 
93     s = DO_UPCAST(ISAIDEState, dev, dev);
94     if (hd0)
95         ide_create_drive(&s->bus, 0, hd0);
96     if (hd1)
97         ide_create_drive(&s->bus, 1, hd1);
98     return dev;
99 }
100 
101 static ISADeviceInfo isa_ide_info = {
102     .qdev.name  = "isa-ide",
103     .qdev.fw_name  = "ide",
104     .qdev.size  = sizeof(ISAIDEState),
105     .init       = isa_ide_initfn,
106     .qdev.reset = isa_ide_reset,
107     .qdev.props = (Property[]) {
108         DEFINE_PROP_HEX32("iobase",  ISAIDEState, iobase,  0x1f0),
109         DEFINE_PROP_HEX32("iobase2", ISAIDEState, iobase2, 0x3f6),
110         DEFINE_PROP_UINT32("irq",    ISAIDEState, isairq,  14),
111         DEFINE_PROP_END_OF_LIST(),
112     },
113 };
114 
isa_ide_register_devices(void)115 static void isa_ide_register_devices(void)
116 {
117     isa_qdev_register(&isa_ide_info);
118 }
119 
120 device_init(isa_ide_register_devices)
121