1 /*
2 * QEMU AHCI Emulation (MMIO-mapped devices)
3 *
4 * Copyright (c) 2010 qiaochong@loongson.cn
5 * Copyright (c) 2010 Roland Elek <elek.roland@gmail.com>
6 * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
7 * Copyright (c) 2010 Alexander Graf <agraf@suse.de>
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 *
22 */
23
24 #include "qemu/osdep.h"
25 #include "system/address-spaces.h"
26 #include "hw/qdev-properties.h"
27 #include "migration/vmstate.h"
28
29 #include "hw/ide/ahci-sysbus.h"
30 #include "ahci-internal.h"
31
32 static const VMStateDescription vmstate_sysbus_ahci = {
33 .name = "sysbus-ahci",
34 .fields = (const VMStateField[]) {
35 VMSTATE_AHCI(ahci, SysbusAHCIState),
36 VMSTATE_END_OF_LIST()
37 },
38 };
39
sysbus_ahci_reset(DeviceState * dev)40 static void sysbus_ahci_reset(DeviceState *dev)
41 {
42 SysbusAHCIState *s = SYSBUS_AHCI(dev);
43
44 ahci_reset(&s->ahci);
45 }
46
sysbus_ahci_init(Object * obj)47 static void sysbus_ahci_init(Object *obj)
48 {
49 SysbusAHCIState *s = SYSBUS_AHCI(obj);
50 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
51
52 ahci_init(&s->ahci, DEVICE(obj));
53
54 sysbus_init_mmio(sbd, &s->ahci.mem);
55 sysbus_init_irq(sbd, &s->ahci.irq);
56 }
57
sysbus_ahci_realize(DeviceState * dev,Error ** errp)58 static void sysbus_ahci_realize(DeviceState *dev, Error **errp)
59 {
60 SysbusAHCIState *s = SYSBUS_AHCI(dev);
61
62 ahci_realize(&s->ahci, dev, &address_space_memory);
63 }
64
65 static const Property sysbus_ahci_properties[] = {
66 DEFINE_PROP_UINT32("num-ports", SysbusAHCIState, ahci.ports, 1),
67 };
68
sysbus_ahci_class_init(ObjectClass * klass,const void * data)69 static void sysbus_ahci_class_init(ObjectClass *klass, const void *data)
70 {
71 DeviceClass *dc = DEVICE_CLASS(klass);
72
73 dc->realize = sysbus_ahci_realize;
74 dc->vmsd = &vmstate_sysbus_ahci;
75 device_class_set_props(dc, sysbus_ahci_properties);
76 device_class_set_legacy_reset(dc, sysbus_ahci_reset);
77 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
78 }
79
80 static const TypeInfo sysbus_ahci_types[] = {
81 {
82 .name = TYPE_SYSBUS_AHCI,
83 .parent = TYPE_SYS_BUS_DEVICE,
84 .instance_size = sizeof(SysbusAHCIState),
85 .instance_init = sysbus_ahci_init,
86 .class_init = sysbus_ahci_class_init,
87 },
88 };
89
90 DEFINE_TYPES(sysbus_ahci_types)
91