1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* ide bus support for qdev.
*
* Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <hw/hw.h>
#include "dma.h"
#include "qemu-error.h"
#include <hw/ide/internal.h>
#include "blockdev.h"
/* --------------------------------- */
static struct BusInfo ide_bus_info = {
.name = "IDE",
.size = sizeof(IDEBus),
};
void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id)
{
qbus_create_inplace(&idebus->qbus, &ide_bus_info, dev, NULL);
idebus->bus_id = bus_id;
}
static int ide_qdev_init(DeviceState *qdev, DeviceInfo *base)
{
IDEDevice *dev = DO_UPCAST(IDEDevice, qdev, qdev);
IDEDeviceInfo *info = DO_UPCAST(IDEDeviceInfo, qdev, base);
IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus);
if (!dev->conf.bs) {
error_report("No drive specified");
goto err;
}
if (dev->unit == -1) {
dev->unit = bus->master ? 1 : 0;
}
switch (dev->unit) {
case 0:
if (bus->master) {
error_report("IDE unit %d is in use", dev->unit);
goto err;
}
bus->master = dev;
break;
case 1:
if (bus->slave) {
error_report("IDE unit %d is in use", dev->unit);
goto err;
}
bus->slave = dev;
break;
default:
error_report("Invalid IDE unit %d", dev->unit);
goto err;
}
return info->init(dev);
err:
return -1;
}
static void ide_qdev_register(IDEDeviceInfo *info)
{
info->qdev.init = ide_qdev_init;
info->qdev.bus_info = &ide_bus_info;
qdev_register(&info->qdev);
}
IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
{
DeviceState *dev;
dev = qdev_create(&bus->qbus, "ide-drive");
qdev_prop_set_uint32(dev, "unit", unit);
qdev_prop_set_drive_nofail(dev, "drive", drive->bdrv);
qdev_init_nofail(dev);
return DO_UPCAST(IDEDevice, qdev, dev);
}
void ide_get_bs(BlockDriverState *bs[], BusState *qbus)
{
IDEBus *bus = DO_UPCAST(IDEBus, qbus, qbus);
bs[0] = bus->master ? bus->master->conf.bs : NULL;
bs[1] = bus->slave ? bus->slave->conf.bs : NULL;
}
/* --------------------------------- */
typedef struct IDEDrive {
IDEDevice dev;
} IDEDrive;
static int ide_drive_initfn(IDEDevice *dev)
{
IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
IDEState *s = bus->ifs + dev->unit;
const char *serial;
DriveInfo *dinfo;
serial = dev->serial;
if (!serial) {
/* try to fall back to value set with legacy -drive serial=... */
dinfo = drive_get_by_blockdev(dev->conf.bs);
if (*dinfo->serial) {
serial = dinfo->serial;
}
}
if (ide_init_drive(s, dev->conf.bs, dev->version, serial) < 0) {
return -1;
}
if (!dev->version) {
dev->version = qemu_strdup(s->version);
}
if (!dev->serial) {
dev->serial = qemu_strdup(s->drive_serial_str);
}
return 0;
}
static IDEDeviceInfo ide_drive_info = {
.qdev.name = "ide-drive",
.qdev.fw_name = "drive",
.qdev.size = sizeof(IDEDrive),
.init = ide_drive_initfn,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT32("unit", IDEDrive, dev.unit, -1),
DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf),
DEFINE_PROP_STRING("ver", IDEDrive, dev.version),
DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),
DEFINE_PROP_END_OF_LIST(),
}
};
static void ide_drive_register(void)
{
ide_qdev_register(&ide_drive_info);
}
device_init(ide_drive_register);
|
