pcie_aer: support configurable AER capa version
[qemu.git] / hw / ide / ich.c
1 /*
2 * QEMU ICH Emulation
3 *
4 * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
5 * Copyright (c) 2010 Alexander Graf <agraf@suse.de>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 *
20 *
21 * lspci dump of a ICH-9 real device
22 *
23 * 00:1f.2 SATA controller [0106]: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA AHCI Controller [8086:2922] (rev 02) (prog-if 01 [AHCI 1.0])
24 * Subsystem: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA AHCI Controller [8086:2922]
25 * Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
26 * Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
27 * Latency: 0
28 * Interrupt: pin B routed to IRQ 222
29 * Region 0: I/O ports at d000 [size=8]
30 * Region 1: I/O ports at cc00 [size=4]
31 * Region 2: I/O ports at c880 [size=8]
32 * Region 3: I/O ports at c800 [size=4]
33 * Region 4: I/O ports at c480 [size=32]
34 * Region 5: Memory at febf9000 (32-bit, non-prefetchable) [size=2K]
35 * Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Count=1/16 Enable+
36 * Address: fee0f00c Data: 41d9
37 * Capabilities: [70] Power Management version 3
38 * Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-)
39 * Status: D0 PME-Enable- DSel=0 DScale=0 PME-
40 * Capabilities: [a8] SATA HBA <?>
41 * Capabilities: [b0] Vendor Specific Information <?>
42 * Kernel driver in use: ahci
43 * Kernel modules: ahci
44 * 00: 86 80 22 29 07 04 b0 02 02 01 06 01 00 00 00 00
45 * 10: 01 d0 00 00 01 cc 00 00 81 c8 00 00 01 c8 00 00
46 * 20: 81 c4 00 00 00 90 bf fe 00 00 00 00 86 80 22 29
47 * 30: 00 00 00 00 80 00 00 00 00 00 00 00 0f 02 00 00
48 * 40: 00 80 00 80 00 00 00 00 00 00 00 00 00 00 00 00
49 * 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50 * 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
51 * 70: 01 a8 03 40 08 00 00 00 00 00 00 00 00 00 00 00
52 * 80: 05 70 09 00 0c f0 e0 fe d9 41 00 00 00 00 00 00
53 * 90: 40 00 0f 82 93 01 00 00 00 00 00 00 00 00 00 00
54 * a0: ac 00 00 00 0a 00 12 00 12 b0 10 00 48 00 00 00
55 * b0: 09 00 06 20 00 00 00 00 00 00 00 00 00 00 00 00
56 * c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
57 * d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
58 * e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
59 * f0: 00 00 00 00 00 00 00 00 86 0f 02 00 00 00 00 00
60 *
61 */
62
63 #include "qemu/osdep.h"
64 #include "hw/hw.h"
65 #include "hw/pci/msi.h"
66 #include "hw/i386/pc.h"
67 #include "hw/pci/pci.h"
68 #include "hw/isa/isa.h"
69 #include "sysemu/block-backend.h"
70 #include "sysemu/dma.h"
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
83 static 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
93 static void pci_ich9_reset(DeviceState *dev)
94 {
95 AHCIPCIState *d = ICH_AHCI(dev);
96
97 ahci_reset(&d->ahci);
98 }
99
100 static 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
107 static 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 int ret;
114
115 ahci_realize(&d->ahci, DEVICE(dev), pci_get_address_space(dev), 6);
116
117 pci_config_set_prog_interface(dev->config, AHCI_PROGMODE_MAJOR_REV_1);
118
119 dev->config[PCI_CACHE_LINE_SIZE] = 0x08; /* Cache line size */
120 dev->config[PCI_LATENCY_TIMER] = 0x00; /* Latency timer */
121 pci_config_set_interrupt_pin(dev->config, 1);
122
123 /* XXX Software should program this register */
124 dev->config[0x90] = 1 << 6; /* Address Map Register - AHCI mode */
125
126 d->ahci.irq = pci_allocate_irq(dev);
127
128 pci_register_bar(dev, ICH9_IDP_BAR, PCI_BASE_ADDRESS_SPACE_IO,
129 &d->ahci.idp);
130 pci_register_bar(dev, ICH9_MEM_BAR, PCI_BASE_ADDRESS_SPACE_MEMORY,
131 &d->ahci.mem);
132
133 sata_cap_offset = pci_add_capability2(dev, PCI_CAP_ID_SATA,
134 ICH9_SATA_CAP_OFFSET, SATA_CAP_SIZE,
135 errp);
136 if (sata_cap_offset < 0) {
137 return;
138 }
139
140 sata_cap = dev->config + sata_cap_offset;
141 pci_set_word(sata_cap + SATA_CAP_REV, 0x10);
142 pci_set_long(sata_cap + SATA_CAP_BAR,
143 (ICH9_IDP_BAR + 0x4) | (ICH9_IDP_INDEX_LOG2 << 4));
144 d->ahci.idp_offset = ICH9_IDP_INDEX;
145
146 /* Although the AHCI 1.3 specification states that the first capability
147 * should be PMCAP, the Intel ICH9 data sheet specifies that the ICH9
148 * AHCI device puts the MSI capability first, pointing to 0x80. */
149 ret = msi_init(dev, ICH9_MSI_CAP_OFFSET, 1, true, false, NULL);
150 /* Any error other than -ENOTSUP(board's MSI support is broken)
151 * is a programming error. Fall back to INTx silently on -ENOTSUP */
152 assert(!ret || ret == -ENOTSUP);
153 }
154
155 static void pci_ich9_uninit(PCIDevice *dev)
156 {
157 struct AHCIPCIState *d;
158 d = ICH_AHCI(dev);
159
160 msi_uninit(dev);
161 ahci_uninit(&d->ahci);
162 qemu_free_irq(d->ahci.irq);
163 }
164
165 static void ich_ahci_class_init(ObjectClass *klass, void *data)
166 {
167 DeviceClass *dc = DEVICE_CLASS(klass);
168 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
169
170 k->realize = pci_ich9_ahci_realize;
171 k->exit = pci_ich9_uninit;
172 k->vendor_id = PCI_VENDOR_ID_INTEL;
173 k->device_id = PCI_DEVICE_ID_INTEL_82801IR;
174 k->revision = 0x02;
175 k->class_id = PCI_CLASS_STORAGE_SATA;
176 dc->vmsd = &vmstate_ich9_ahci;
177 dc->reset = pci_ich9_reset;
178 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
179 }
180
181 static const TypeInfo ich_ahci_info = {
182 .name = TYPE_ICH9_AHCI,
183 .parent = TYPE_PCI_DEVICE,
184 .instance_size = sizeof(AHCIPCIState),
185 .instance_init = pci_ich9_ahci_init,
186 .class_init = ich_ahci_class_init,
187 };
188
189 static void ich_ahci_register_types(void)
190 {
191 type_register_static(&ich_ahci_info);
192 }
193
194 type_init(ich_ahci_register_types)