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1.1 root 1: /*
2: * ide bus support for qdev.
3: *
4: * Copyright (c) 2009 Gerd Hoffmann <[email protected]>
5: *
6: * This library is free software; you can redistribute it and/or
7: * modify it under the terms of the GNU Lesser General Public
8: * License as published by the Free Software Foundation; either
9: * version 2 of the License, or (at your option) any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18: */
19: #include <hw/hw.h>
20: #include "sysemu.h"
21: #include "dma.h"
22:
23: #include <hw/ide/internal.h>
24:
25: /* --------------------------------- */
26:
27: static struct BusInfo ide_bus_info = {
28: .name = "IDE",
29: .size = sizeof(IDEBus),
30: };
31:
32: void ide_bus_new(IDEBus *idebus, DeviceState *dev)
33: {
34: qbus_create_inplace(&idebus->qbus, &ide_bus_info, dev, NULL);
35: }
36:
37: static int ide_qdev_init(DeviceState *qdev, DeviceInfo *base)
38: {
39: IDEDevice *dev = DO_UPCAST(IDEDevice, qdev, qdev);
40: IDEDeviceInfo *info = DO_UPCAST(IDEDeviceInfo, qdev, base);
41: IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus);
42:
43: if (!dev->dinfo) {
44: fprintf(stderr, "%s: no drive specified\n", qdev->info->name);
45: goto err;
46: }
47: if (dev->unit == -1) {
48: dev->unit = bus->master ? 1 : 0;
49: }
50: switch (dev->unit) {
51: case 0:
52: if (bus->master) {
53: fprintf(stderr, "ide: tried to assign master twice\n");
54: goto err;
55: }
56: bus->master = dev;
57: break;
58: case 1:
59: if (bus->slave) {
60: fprintf(stderr, "ide: tried to assign slave twice\n");
61: goto err;
62: }
63: bus->slave = dev;
64: break;
65: default:
66: goto err;
67: }
68: return info->init(dev);
69:
70: err:
71: return -1;
72: }
73:
74: static void ide_qdev_register(IDEDeviceInfo *info)
75: {
76: info->qdev.init = ide_qdev_init;
77: info->qdev.bus_info = &ide_bus_info;
78: qdev_register(&info->qdev);
79: }
80:
81: IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
82: {
83: DeviceState *dev;
84:
85: dev = qdev_create(&bus->qbus, "ide-drive");
86: qdev_prop_set_uint32(dev, "unit", unit);
87: qdev_prop_set_drive(dev, "drive", drive);
88: if (qdev_init(dev) < 0)
89: return NULL;
90: return DO_UPCAST(IDEDevice, qdev, dev);
91: }
92:
93: /* --------------------------------- */
94:
95: typedef struct IDEDrive {
96: IDEDevice dev;
97: } IDEDrive;
98:
99: static int ide_drive_initfn(IDEDevice *dev)
100: {
101: IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
1.1.1.2 ! root 102: ide_init_drive(bus->ifs + dev->unit, dev->dinfo, dev->version);
1.1 root 103: return 0;
104: }
105:
106: static IDEDeviceInfo ide_drive_info = {
107: .qdev.name = "ide-drive",
108: .qdev.size = sizeof(IDEDrive),
109: .init = ide_drive_initfn,
110: .qdev.props = (Property[]) {
111: DEFINE_PROP_UINT32("unit", IDEDrive, dev.unit, -1),
112: DEFINE_PROP_DRIVE("drive", IDEDrive, dev.dinfo),
1.1.1.2 ! root 113: DEFINE_PROP_STRING("ver", IDEDrive, dev.version),
1.1 root 114: DEFINE_PROP_END_OF_LIST(),
115: }
116: };
117:
118: static void ide_drive_register(void)
119: {
120: ide_qdev_register(&ide_drive_info);
121: }
122: device_init(ide_drive_register);
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