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#include <hw/hw.h>
64#include <hw/pci/msi.h>
65#include <hw/i386/pc.h>
66#include <hw/pci/pci.h>
67#include <hw/isa/isa.h>
68#include "sysemu/block-backend.h"
69#include "sysemu/dma.h"
70
71#include <hw/ide/pci.h>
72#include <hw/ide/ahci.h>
73
74#define ICH9_MSI_CAP_OFFSET 0x80
75#define ICH9_SATA_CAP_OFFSET 0xA8
76
77#define ICH9_IDP_BAR 4
78#define ICH9_MEM_BAR 5
79
80#define ICH9_IDP_INDEX 0x10
81#define ICH9_IDP_INDEX_LOG2 0x04
82
83static const VMStateDescription vmstate_ich9_ahci = {
84 .name = "ich9_ahci",
85 .version_id = 1,
86 .fields = (VMStateField[]) {
87 VMSTATE_PCI_DEVICE(parent_obj, AHCIPCIState),
88 VMSTATE_AHCI(ahci, AHCIPCIState),
89 VMSTATE_END_OF_LIST()
90 },
91};
92
93static void pci_ich9_reset(DeviceState *dev)
94{
95 AHCIPCIState *d = ICH_AHCI(dev);
96
97 ahci_reset(&d->ahci);
98}
99
100static void pci_ich9_ahci_init(Object *obj)
101{
102 struct AHCIPCIState *d = ICH_AHCI(obj);
103
104 ahci_init(&d->ahci, DEVICE(obj));
105}
106
107static void pci_ich9_ahci_realize(PCIDevice *dev, Error **errp)
108{
109 struct AHCIPCIState *d;
110 int sata_cap_offset;
111 uint8_t *sata_cap;
112 d = ICH_AHCI(dev);
113
114 ahci_realize(&d->ahci, DEVICE(dev), pci_get_address_space(dev), 6);
115
116 pci_config_set_prog_interface(dev->config, AHCI_PROGMODE_MAJOR_REV_1);
117
118 dev->config[PCI_CACHE_LINE_SIZE] = 0x08;
119 dev->config[PCI_LATENCY_TIMER] = 0x00;
120 pci_config_set_interrupt_pin(dev->config, 1);
121
122
123 dev->config[0x90] = 1 << 6;
124
125 d->ahci.irq = pci_allocate_irq(dev);
126
127 pci_register_bar(dev, ICH9_IDP_BAR, PCI_BASE_ADDRESS_SPACE_IO,
128 &d->ahci.idp);
129 pci_register_bar(dev, ICH9_MEM_BAR, PCI_BASE_ADDRESS_SPACE_MEMORY,
130 &d->ahci.mem);
131
132 sata_cap_offset = pci_add_capability2(dev, PCI_CAP_ID_SATA,
133 ICH9_SATA_CAP_OFFSET, SATA_CAP_SIZE,
134 errp);
135 if (sata_cap_offset < 0) {
136 return;
137 }
138
139 sata_cap = dev->config + sata_cap_offset;
140 pci_set_word(sata_cap + SATA_CAP_REV, 0x10);
141 pci_set_long(sata_cap + SATA_CAP_BAR,
142 (ICH9_IDP_BAR + 0x4) | (ICH9_IDP_INDEX_LOG2 << 4));
143 d->ahci.idp_offset = ICH9_IDP_INDEX;
144
145
146
147
148 msi_init(dev, ICH9_MSI_CAP_OFFSET, 1, true, false);
149}
150
151static void pci_ich9_uninit(PCIDevice *dev)
152{
153 struct AHCIPCIState *d;
154 d = ICH_AHCI(dev);
155
156 msi_uninit(dev);
157 ahci_uninit(&d->ahci);
158 qemu_free_irq(d->ahci.irq);
159}
160
161static void ich_ahci_class_init(ObjectClass *klass, void *data)
162{
163 DeviceClass *dc = DEVICE_CLASS(klass);
164 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
165
166 k->realize = pci_ich9_ahci_realize;
167 k->exit = pci_ich9_uninit;
168 k->vendor_id = PCI_VENDOR_ID_INTEL;
169 k->device_id = PCI_DEVICE_ID_INTEL_82801IR;
170 k->revision = 0x02;
171 k->class_id = PCI_CLASS_STORAGE_SATA;
172 dc->vmsd = &vmstate_ich9_ahci;
173 dc->reset = pci_ich9_reset;
174 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
175}
176
177static const TypeInfo ich_ahci_info = {
178 .name = TYPE_ICH9_AHCI,
179 .parent = TYPE_PCI_DEVICE,
180 .instance_size = sizeof(AHCIPCIState),
181 .instance_init = pci_ich9_ahci_init,
182 .class_init = ich_ahci_class_init,
183};
184
185static void ich_ahci_register_types(void)
186{
187 type_register_static(&ich_ahci_info);
188}
189
190type_init(ich_ahci_register_types)
191