root / hw / pci.c @ 6f3279b5
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1 | 69b91039 | bellard | /*
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2 | 69b91039 | bellard | * QEMU PCI bus manager
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3 | 69b91039 | bellard | *
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4 | 69b91039 | bellard | * Copyright (c) 2004 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | 69b91039 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 69b91039 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 69b91039 | bellard | * in the Software without restriction, including without limitation the rights
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9 | 69b91039 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 69b91039 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 69b91039 | bellard | * furnished to do so, subject to the following conditions:
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12 | 69b91039 | bellard | *
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13 | 69b91039 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 69b91039 | bellard | * all copies or substantial portions of the Software.
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15 | 69b91039 | bellard | *
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16 | 69b91039 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 69b91039 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 69b91039 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 69b91039 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 69b91039 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 69b91039 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 69b91039 | bellard | * THE SOFTWARE.
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23 | 69b91039 | bellard | */
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24 | 87ecb68b | pbrook | #include "hw.h" |
25 | 87ecb68b | pbrook | #include "pci.h" |
26 | 783753fd | Isaku Yamahata | #include "pci_bridge.h" |
27 | cfb0a50a | Isaku Yamahata | #include "pci_internals.h" |
28 | 376253ec | aliguori | #include "monitor.h" |
29 | 87ecb68b | pbrook | #include "net.h" |
30 | 880345c4 | aliguori | #include "sysemu.h" |
31 | c2039bd0 | Anthony Liguori | #include "loader.h" |
32 | 163c8a59 | Luiz Capitulino | #include "qemu-objects.h" |
33 | bf1b0071 | Blue Swirl | #include "range.h" |
34 | 69b91039 | bellard | |
35 | 69b91039 | bellard | //#define DEBUG_PCI
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36 | d8d2e079 | Isaku Yamahata | #ifdef DEBUG_PCI
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37 | 2e49d64a | Isaku Yamahata | # define PCI_DPRINTF(format, ...) printf(format, ## __VA_ARGS__) |
38 | d8d2e079 | Isaku Yamahata | #else
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39 | d8d2e079 | Isaku Yamahata | # define PCI_DPRINTF(format, ...) do { } while (0) |
40 | d8d2e079 | Isaku Yamahata | #endif
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41 | 69b91039 | bellard | |
42 | 10c4c98a | Gerd Hoffmann | static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent); |
43 | 4f43c1ff | Alex Williamson | static char *pcibus_get_dev_path(DeviceState *dev); |
44 | 5e0259e7 | Gleb Natapov | static char *pcibus_get_fw_dev_path(DeviceState *dev); |
45 | 9bb33586 | Isaku Yamahata | static int pcibus_reset(BusState *qbus); |
46 | 10c4c98a | Gerd Hoffmann | |
47 | cfb0a50a | Isaku Yamahata | struct BusInfo pci_bus_info = {
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48 | 10c4c98a | Gerd Hoffmann | .name = "PCI",
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49 | 10c4c98a | Gerd Hoffmann | .size = sizeof(PCIBus),
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50 | 10c4c98a | Gerd Hoffmann | .print_dev = pcibus_dev_print, |
51 | 4f43c1ff | Alex Williamson | .get_dev_path = pcibus_get_dev_path, |
52 | 5e0259e7 | Gleb Natapov | .get_fw_dev_path = pcibus_get_fw_dev_path, |
53 | 9bb33586 | Isaku Yamahata | .reset = pcibus_reset, |
54 | ee6847d1 | Gerd Hoffmann | .props = (Property[]) { |
55 | 54586bd1 | Gerd Hoffmann | DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1), |
56 | 8c52c8f3 | Gerd Hoffmann | DEFINE_PROP_STRING("romfile", PCIDevice, romfile),
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57 | 88169ddf | Gerd Hoffmann | DEFINE_PROP_UINT32("rombar", PCIDevice, rom_bar, 1), |
58 | 49823868 | Isaku Yamahata | DEFINE_PROP_BIT("multifunction", PCIDevice, cap_present,
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59 | 49823868 | Isaku Yamahata | QEMU_PCI_CAP_MULTIFUNCTION_BITNR, false),
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60 | b1aeb926 | Isaku Yamahata | DEFINE_PROP_BIT("command_serr_enable", PCIDevice, cap_present,
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61 | b1aeb926 | Isaku Yamahata | QEMU_PCI_CAP_SERR_BITNR, true),
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62 | 54586bd1 | Gerd Hoffmann | DEFINE_PROP_END_OF_LIST() |
63 | ee6847d1 | Gerd Hoffmann | } |
64 | 30468f78 | bellard | }; |
65 | 69b91039 | bellard | |
66 | 1941d19c | bellard | static void pci_update_mappings(PCIDevice *d); |
67 | d537cf6c | pbrook | static void pci_set_irq(void *opaque, int irq_num, int level); |
68 | ab85ceb1 | Stefan Weil | static int pci_add_option_rom(PCIDevice *pdev, bool is_default_rom); |
69 | 230741dc | Alex Williamson | static void pci_del_option_rom(PCIDevice *pdev); |
70 | 1941d19c | bellard | |
71 | d350d97d | aliguori | static uint16_t pci_default_sub_vendor_id = PCI_SUBVENDOR_ID_REDHAT_QUMRANET;
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72 | d350d97d | aliguori | static uint16_t pci_default_sub_device_id = PCI_SUBDEVICE_ID_QEMU;
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73 | e822a52a | Isaku Yamahata | |
74 | e822a52a | Isaku Yamahata | struct PCIHostBus {
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75 | e822a52a | Isaku Yamahata | int domain;
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76 | e822a52a | Isaku Yamahata | struct PCIBus *bus;
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77 | e822a52a | Isaku Yamahata | QLIST_ENTRY(PCIHostBus) next; |
78 | e822a52a | Isaku Yamahata | }; |
79 | e822a52a | Isaku Yamahata | static QLIST_HEAD(, PCIHostBus) host_buses;
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80 | 30468f78 | bellard | |
81 | 2d1e9f96 | Juan Quintela | static const VMStateDescription vmstate_pcibus = { |
82 | 2d1e9f96 | Juan Quintela | .name = "PCIBUS",
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83 | 2d1e9f96 | Juan Quintela | .version_id = 1,
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84 | 2d1e9f96 | Juan Quintela | .minimum_version_id = 1,
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85 | 2d1e9f96 | Juan Quintela | .minimum_version_id_old = 1,
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86 | 2d1e9f96 | Juan Quintela | .fields = (VMStateField []) { |
87 | 2d1e9f96 | Juan Quintela | VMSTATE_INT32_EQUAL(nirq, PCIBus), |
88 | c7bde572 | Juan Quintela | VMSTATE_VARRAY_INT32(irq_count, PCIBus, nirq, 0, vmstate_info_int32, int32_t),
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89 | 2d1e9f96 | Juan Quintela | VMSTATE_END_OF_LIST() |
90 | 52fc1d83 | balrog | } |
91 | 2d1e9f96 | Juan Quintela | }; |
92 | 52fc1d83 | balrog | |
93 | b3b11697 | Isaku Yamahata | static int pci_bar(PCIDevice *d, int reg) |
94 | 5330de09 | Michael S. Tsirkin | { |
95 | b3b11697 | Isaku Yamahata | uint8_t type; |
96 | b3b11697 | Isaku Yamahata | |
97 | b3b11697 | Isaku Yamahata | if (reg != PCI_ROM_SLOT)
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98 | b3b11697 | Isaku Yamahata | return PCI_BASE_ADDRESS_0 + reg * 4; |
99 | b3b11697 | Isaku Yamahata | |
100 | b3b11697 | Isaku Yamahata | type = d->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION; |
101 | b3b11697 | Isaku Yamahata | return type == PCI_HEADER_TYPE_BRIDGE ? PCI_ROM_ADDRESS1 : PCI_ROM_ADDRESS;
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102 | 5330de09 | Michael S. Tsirkin | } |
103 | 5330de09 | Michael S. Tsirkin | |
104 | d036bb21 | Michael S. Tsirkin | static inline int pci_irq_state(PCIDevice *d, int irq_num) |
105 | d036bb21 | Michael S. Tsirkin | { |
106 | d036bb21 | Michael S. Tsirkin | return (d->irq_state >> irq_num) & 0x1; |
107 | d036bb21 | Michael S. Tsirkin | } |
108 | d036bb21 | Michael S. Tsirkin | |
109 | d036bb21 | Michael S. Tsirkin | static inline void pci_set_irq_state(PCIDevice *d, int irq_num, int level) |
110 | d036bb21 | Michael S. Tsirkin | { |
111 | d036bb21 | Michael S. Tsirkin | d->irq_state &= ~(0x1 << irq_num);
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112 | d036bb21 | Michael S. Tsirkin | d->irq_state |= level << irq_num; |
113 | d036bb21 | Michael S. Tsirkin | } |
114 | d036bb21 | Michael S. Tsirkin | |
115 | d036bb21 | Michael S. Tsirkin | static void pci_change_irq_level(PCIDevice *pci_dev, int irq_num, int change) |
116 | d036bb21 | Michael S. Tsirkin | { |
117 | d036bb21 | Michael S. Tsirkin | PCIBus *bus; |
118 | d036bb21 | Michael S. Tsirkin | for (;;) {
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119 | d036bb21 | Michael S. Tsirkin | bus = pci_dev->bus; |
120 | d036bb21 | Michael S. Tsirkin | irq_num = bus->map_irq(pci_dev, irq_num); |
121 | d036bb21 | Michael S. Tsirkin | if (bus->set_irq)
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122 | d036bb21 | Michael S. Tsirkin | break;
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123 | d036bb21 | Michael S. Tsirkin | pci_dev = bus->parent_dev; |
124 | d036bb21 | Michael S. Tsirkin | } |
125 | d036bb21 | Michael S. Tsirkin | bus->irq_count[irq_num] += change; |
126 | d036bb21 | Michael S. Tsirkin | bus->set_irq(bus->irq_opaque, irq_num, bus->irq_count[irq_num] != 0);
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127 | d036bb21 | Michael S. Tsirkin | } |
128 | d036bb21 | Michael S. Tsirkin | |
129 | f9bf77dd | Michael S. Tsirkin | /* Update interrupt status bit in config space on interrupt
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130 | f9bf77dd | Michael S. Tsirkin | * state change. */
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131 | f9bf77dd | Michael S. Tsirkin | static void pci_update_irq_status(PCIDevice *dev) |
132 | f9bf77dd | Michael S. Tsirkin | { |
133 | f9bf77dd | Michael S. Tsirkin | if (dev->irq_state) {
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134 | f9bf77dd | Michael S. Tsirkin | dev->config[PCI_STATUS] |= PCI_STATUS_INTERRUPT; |
135 | f9bf77dd | Michael S. Tsirkin | } else {
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136 | f9bf77dd | Michael S. Tsirkin | dev->config[PCI_STATUS] &= ~PCI_STATUS_INTERRUPT; |
137 | f9bf77dd | Michael S. Tsirkin | } |
138 | f9bf77dd | Michael S. Tsirkin | } |
139 | f9bf77dd | Michael S. Tsirkin | |
140 | 4c92325b | Isaku Yamahata | void pci_device_deassert_intx(PCIDevice *dev)
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141 | 4c92325b | Isaku Yamahata | { |
142 | 4c92325b | Isaku Yamahata | int i;
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143 | 4c92325b | Isaku Yamahata | for (i = 0; i < PCI_NUM_PINS; ++i) { |
144 | 4c92325b | Isaku Yamahata | qemu_set_irq(dev->irq[i], 0);
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145 | 4c92325b | Isaku Yamahata | } |
146 | 4c92325b | Isaku Yamahata | } |
147 | 4c92325b | Isaku Yamahata | |
148 | 0ead87c8 | Isaku Yamahata | /*
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149 | 0ead87c8 | Isaku Yamahata | * This function is called on #RST and FLR.
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150 | 0ead87c8 | Isaku Yamahata | * FLR if PCI_EXP_DEVCTL_BCR_FLR is set
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151 | 0ead87c8 | Isaku Yamahata | */
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152 | 0ead87c8 | Isaku Yamahata | void pci_device_reset(PCIDevice *dev)
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153 | 5330de09 | Michael S. Tsirkin | { |
154 | c0b1905b | Michael S. Tsirkin | int r;
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155 | 9bb33586 | Isaku Yamahata | /* TODO: call the below unconditionally once all pci devices
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156 | 9bb33586 | Isaku Yamahata | * are qdevified */
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157 | 9bb33586 | Isaku Yamahata | if (dev->qdev.info) {
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158 | 9bb33586 | Isaku Yamahata | qdev_reset_all(&dev->qdev); |
159 | 9bb33586 | Isaku Yamahata | } |
160 | c0b1905b | Michael S. Tsirkin | |
161 | d036bb21 | Michael S. Tsirkin | dev->irq_state = 0;
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162 | f9bf77dd | Michael S. Tsirkin | pci_update_irq_status(dev); |
163 | 4c92325b | Isaku Yamahata | pci_device_deassert_intx(dev); |
164 | 71ebd6dc | Isaku Yamahata | /* Clear all writeable bits */
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165 | 99443c21 | Isaku Yamahata | pci_word_test_and_clear_mask(dev->config + PCI_COMMAND, |
166 | f9aebe2e | Michael S. Tsirkin | pci_get_word(dev->wmask + PCI_COMMAND) | |
167 | f9aebe2e | Michael S. Tsirkin | pci_get_word(dev->w1cmask + PCI_COMMAND)); |
168 | 89d437df | Isaku Yamahata | pci_word_test_and_clear_mask(dev->config + PCI_STATUS, |
169 | 89d437df | Isaku Yamahata | pci_get_word(dev->wmask + PCI_STATUS) | |
170 | 89d437df | Isaku Yamahata | pci_get_word(dev->w1cmask + PCI_STATUS)); |
171 | c0b1905b | Michael S. Tsirkin | dev->config[PCI_CACHE_LINE_SIZE] = 0x0;
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172 | c0b1905b | Michael S. Tsirkin | dev->config[PCI_INTERRUPT_LINE] = 0x0;
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173 | c0b1905b | Michael S. Tsirkin | for (r = 0; r < PCI_NUM_REGIONS; ++r) { |
174 | 71ebd6dc | Isaku Yamahata | PCIIORegion *region = &dev->io_regions[r]; |
175 | 71ebd6dc | Isaku Yamahata | if (!region->size) {
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176 | c0b1905b | Michael S. Tsirkin | continue;
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177 | c0b1905b | Michael S. Tsirkin | } |
178 | 71ebd6dc | Isaku Yamahata | |
179 | 71ebd6dc | Isaku Yamahata | if (!(region->type & PCI_BASE_ADDRESS_SPACE_IO) &&
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180 | 71ebd6dc | Isaku Yamahata | region->type & PCI_BASE_ADDRESS_MEM_TYPE_64) { |
181 | 71ebd6dc | Isaku Yamahata | pci_set_quad(dev->config + pci_bar(dev, r), region->type); |
182 | 71ebd6dc | Isaku Yamahata | } else {
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183 | 71ebd6dc | Isaku Yamahata | pci_set_long(dev->config + pci_bar(dev, r), region->type); |
184 | 71ebd6dc | Isaku Yamahata | } |
185 | c0b1905b | Michael S. Tsirkin | } |
186 | c0b1905b | Michael S. Tsirkin | pci_update_mappings(dev); |
187 | 5330de09 | Michael S. Tsirkin | } |
188 | 5330de09 | Michael S. Tsirkin | |
189 | 9bb33586 | Isaku Yamahata | /*
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190 | 9bb33586 | Isaku Yamahata | * Trigger pci bus reset under a given bus.
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191 | 9bb33586 | Isaku Yamahata | * To be called on RST# assert.
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192 | 9bb33586 | Isaku Yamahata | */
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193 | 9bb33586 | Isaku Yamahata | void pci_bus_reset(PCIBus *bus)
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194 | 6eaa6847 | Gleb Natapov | { |
195 | 6eaa6847 | Gleb Natapov | int i;
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196 | 6eaa6847 | Gleb Natapov | |
197 | 6eaa6847 | Gleb Natapov | for (i = 0; i < bus->nirq; i++) { |
198 | 6eaa6847 | Gleb Natapov | bus->irq_count[i] = 0;
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199 | 6eaa6847 | Gleb Natapov | } |
200 | 5330de09 | Michael S. Tsirkin | for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) { |
201 | 5330de09 | Michael S. Tsirkin | if (bus->devices[i]) {
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202 | 5330de09 | Michael S. Tsirkin | pci_device_reset(bus->devices[i]); |
203 | 5330de09 | Michael S. Tsirkin | } |
204 | 6eaa6847 | Gleb Natapov | } |
205 | 6eaa6847 | Gleb Natapov | } |
206 | 6eaa6847 | Gleb Natapov | |
207 | 9bb33586 | Isaku Yamahata | static int pcibus_reset(BusState *qbus) |
208 | 9bb33586 | Isaku Yamahata | { |
209 | 9bb33586 | Isaku Yamahata | pci_bus_reset(DO_UPCAST(PCIBus, qbus, qbus)); |
210 | 9bb33586 | Isaku Yamahata | |
211 | 9bb33586 | Isaku Yamahata | /* topology traverse is done by pci_bus_reset().
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212 | 9bb33586 | Isaku Yamahata | Tell qbus/qdev walker not to traverse the tree */
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213 | 9bb33586 | Isaku Yamahata | return 1; |
214 | 9bb33586 | Isaku Yamahata | } |
215 | 9bb33586 | Isaku Yamahata | |
216 | e822a52a | Isaku Yamahata | static void pci_host_bus_register(int domain, PCIBus *bus) |
217 | e822a52a | Isaku Yamahata | { |
218 | e822a52a | Isaku Yamahata | struct PCIHostBus *host;
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219 | e822a52a | Isaku Yamahata | host = qemu_mallocz(sizeof(*host));
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220 | e822a52a | Isaku Yamahata | host->domain = domain; |
221 | e822a52a | Isaku Yamahata | host->bus = bus; |
222 | e822a52a | Isaku Yamahata | QLIST_INSERT_HEAD(&host_buses, host, next); |
223 | e822a52a | Isaku Yamahata | } |
224 | e822a52a | Isaku Yamahata | |
225 | c469e1dd | Isaku Yamahata | PCIBus *pci_find_root_bus(int domain)
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226 | e822a52a | Isaku Yamahata | { |
227 | e822a52a | Isaku Yamahata | struct PCIHostBus *host;
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228 | e822a52a | Isaku Yamahata | |
229 | e822a52a | Isaku Yamahata | QLIST_FOREACH(host, &host_buses, next) { |
230 | e822a52a | Isaku Yamahata | if (host->domain == domain) {
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231 | e822a52a | Isaku Yamahata | return host->bus;
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232 | e822a52a | Isaku Yamahata | } |
233 | e822a52a | Isaku Yamahata | } |
234 | e822a52a | Isaku Yamahata | |
235 | e822a52a | Isaku Yamahata | return NULL; |
236 | e822a52a | Isaku Yamahata | } |
237 | e822a52a | Isaku Yamahata | |
238 | e075e788 | Isaku Yamahata | int pci_find_domain(const PCIBus *bus) |
239 | e075e788 | Isaku Yamahata | { |
240 | e075e788 | Isaku Yamahata | PCIDevice *d; |
241 | e075e788 | Isaku Yamahata | struct PCIHostBus *host;
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242 | e075e788 | Isaku Yamahata | |
243 | e075e788 | Isaku Yamahata | /* obtain root bus */
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244 | e075e788 | Isaku Yamahata | while ((d = bus->parent_dev) != NULL) { |
245 | e075e788 | Isaku Yamahata | bus = d->bus; |
246 | e075e788 | Isaku Yamahata | } |
247 | e075e788 | Isaku Yamahata | |
248 | e075e788 | Isaku Yamahata | QLIST_FOREACH(host, &host_buses, next) { |
249 | e075e788 | Isaku Yamahata | if (host->bus == bus) {
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250 | e075e788 | Isaku Yamahata | return host->domain;
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251 | e075e788 | Isaku Yamahata | } |
252 | e075e788 | Isaku Yamahata | } |
253 | e075e788 | Isaku Yamahata | |
254 | e075e788 | Isaku Yamahata | abort(); /* should not be reached */
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255 | e075e788 | Isaku Yamahata | return -1; |
256 | e075e788 | Isaku Yamahata | } |
257 | e075e788 | Isaku Yamahata | |
258 | 21eea4b3 | Gerd Hoffmann | void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
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259 | 6f3279b5 | Isaku Yamahata | const char *name, uint8_t devfn_min) |
260 | 30468f78 | bellard | { |
261 | 21eea4b3 | Gerd Hoffmann | qbus_create_inplace(&bus->qbus, &pci_bus_info, parent, name); |
262 | 6fa84913 | Isaku Yamahata | assert(PCI_FUNC(devfn_min) == 0);
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263 | 502a5395 | pbrook | bus->devfn_min = devfn_min; |
264 | e822a52a | Isaku Yamahata | |
265 | e822a52a | Isaku Yamahata | /* host bridge */
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266 | e822a52a | Isaku Yamahata | QLIST_INIT(&bus->child); |
267 | e822a52a | Isaku Yamahata | pci_host_bus_register(0, bus); /* for now only pci domain 0 is supported */ |
268 | e822a52a | Isaku Yamahata | |
269 | 0be71e32 | Alex Williamson | vmstate_register(NULL, -1, &vmstate_pcibus, bus); |
270 | 21eea4b3 | Gerd Hoffmann | } |
271 | 21eea4b3 | Gerd Hoffmann | |
272 | 6f3279b5 | Isaku Yamahata | PCIBus *pci_bus_new(DeviceState *parent, const char *name, uint8_t devfn_min) |
273 | 21eea4b3 | Gerd Hoffmann | { |
274 | 21eea4b3 | Gerd Hoffmann | PCIBus *bus; |
275 | 21eea4b3 | Gerd Hoffmann | |
276 | 21eea4b3 | Gerd Hoffmann | bus = qemu_mallocz(sizeof(*bus));
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277 | 21eea4b3 | Gerd Hoffmann | bus->qbus.qdev_allocated = 1;
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278 | 21eea4b3 | Gerd Hoffmann | pci_bus_new_inplace(bus, parent, name, devfn_min); |
279 | 21eea4b3 | Gerd Hoffmann | return bus;
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280 | 21eea4b3 | Gerd Hoffmann | } |
281 | 21eea4b3 | Gerd Hoffmann | |
282 | 21eea4b3 | Gerd Hoffmann | void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
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283 | 21eea4b3 | Gerd Hoffmann | void *irq_opaque, int nirq) |
284 | 21eea4b3 | Gerd Hoffmann | { |
285 | 21eea4b3 | Gerd Hoffmann | bus->set_irq = set_irq; |
286 | 21eea4b3 | Gerd Hoffmann | bus->map_irq = map_irq; |
287 | 21eea4b3 | Gerd Hoffmann | bus->irq_opaque = irq_opaque; |
288 | 21eea4b3 | Gerd Hoffmann | bus->nirq = nirq; |
289 | 21eea4b3 | Gerd Hoffmann | bus->irq_count = qemu_mallocz(nirq * sizeof(bus->irq_count[0])); |
290 | 21eea4b3 | Gerd Hoffmann | } |
291 | 21eea4b3 | Gerd Hoffmann | |
292 | 87c30546 | Isaku Yamahata | void pci_bus_hotplug(PCIBus *bus, pci_hotplug_fn hotplug, DeviceState *qdev)
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293 | ee995ffb | Gerd Hoffmann | { |
294 | ee995ffb | Gerd Hoffmann | bus->qbus.allow_hotplug = 1;
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295 | ee995ffb | Gerd Hoffmann | bus->hotplug = hotplug; |
296 | 87c30546 | Isaku Yamahata | bus->hotplug_qdev = qdev; |
297 | ee995ffb | Gerd Hoffmann | } |
298 | ee995ffb | Gerd Hoffmann | |
299 | 2e01c8cf | Blue Swirl | void pci_bus_set_mem_base(PCIBus *bus, target_phys_addr_t base)
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300 | 2e01c8cf | Blue Swirl | { |
301 | 2e01c8cf | Blue Swirl | bus->mem_base = base; |
302 | 2e01c8cf | Blue Swirl | } |
303 | 2e01c8cf | Blue Swirl | |
304 | 21eea4b3 | Gerd Hoffmann | PCIBus *pci_register_bus(DeviceState *parent, const char *name, |
305 | 21eea4b3 | Gerd Hoffmann | pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, |
306 | 6f3279b5 | Isaku Yamahata | void *irq_opaque, uint8_t devfn_min, int nirq) |
307 | 21eea4b3 | Gerd Hoffmann | { |
308 | 21eea4b3 | Gerd Hoffmann | PCIBus *bus; |
309 | 21eea4b3 | Gerd Hoffmann | |
310 | 21eea4b3 | Gerd Hoffmann | bus = pci_bus_new(parent, name, devfn_min); |
311 | 21eea4b3 | Gerd Hoffmann | pci_bus_irqs(bus, set_irq, map_irq, irq_opaque, nirq); |
312 | 30468f78 | bellard | return bus;
|
313 | 30468f78 | bellard | } |
314 | 69b91039 | bellard | |
315 | 502a5395 | pbrook | int pci_bus_num(PCIBus *s)
|
316 | 502a5395 | pbrook | { |
317 | e94ff650 | Isaku Yamahata | if (!s->parent_dev)
|
318 | e94ff650 | Isaku Yamahata | return 0; /* pci host bridge */ |
319 | e94ff650 | Isaku Yamahata | return s->parent_dev->config[PCI_SECONDARY_BUS];
|
320 | 502a5395 | pbrook | } |
321 | 502a5395 | pbrook | |
322 | 73534f2f | Juan Quintela | static int get_pci_config_device(QEMUFile *f, void *pv, size_t size) |
323 | 30ca2aab | bellard | { |
324 | 73534f2f | Juan Quintela | PCIDevice *s = container_of(pv, PCIDevice, config); |
325 | a9f49946 | Isaku Yamahata | uint8_t *config; |
326 | 52fc1d83 | balrog | int i;
|
327 | 52fc1d83 | balrog | |
328 | a9f49946 | Isaku Yamahata | assert(size == pci_config_size(s)); |
329 | a9f49946 | Isaku Yamahata | config = qemu_malloc(size); |
330 | a9f49946 | Isaku Yamahata | |
331 | a9f49946 | Isaku Yamahata | qemu_get_buffer(f, config, size); |
332 | a9f49946 | Isaku Yamahata | for (i = 0; i < size; ++i) { |
333 | f9aebe2e | Michael S. Tsirkin | if ((config[i] ^ s->config[i]) &
|
334 | f9aebe2e | Michael S. Tsirkin | s->cmask[i] & ~s->wmask[i] & ~s->w1cmask[i]) { |
335 | a9f49946 | Isaku Yamahata | qemu_free(config); |
336 | bd4b65ee | Michael S. Tsirkin | return -EINVAL;
|
337 | a9f49946 | Isaku Yamahata | } |
338 | a9f49946 | Isaku Yamahata | } |
339 | a9f49946 | Isaku Yamahata | memcpy(s->config, config, size); |
340 | bd4b65ee | Michael S. Tsirkin | |
341 | 1941d19c | bellard | pci_update_mappings(s); |
342 | 52fc1d83 | balrog | |
343 | a9f49946 | Isaku Yamahata | qemu_free(config); |
344 | 30ca2aab | bellard | return 0; |
345 | 30ca2aab | bellard | } |
346 | 30ca2aab | bellard | |
347 | 73534f2f | Juan Quintela | /* just put buffer */
|
348 | 84e2e3eb | Juan Quintela | static void put_pci_config_device(QEMUFile *f, void *pv, size_t size) |
349 | 73534f2f | Juan Quintela | { |
350 | dbe73d7f | Juan Quintela | const uint8_t **v = pv;
|
351 | a9f49946 | Isaku Yamahata | assert(size == pci_config_size(container_of(pv, PCIDevice, config))); |
352 | dbe73d7f | Juan Quintela | qemu_put_buffer(f, *v, size); |
353 | 73534f2f | Juan Quintela | } |
354 | 73534f2f | Juan Quintela | |
355 | 73534f2f | Juan Quintela | static VMStateInfo vmstate_info_pci_config = {
|
356 | 73534f2f | Juan Quintela | .name = "pci config",
|
357 | 73534f2f | Juan Quintela | .get = get_pci_config_device, |
358 | 73534f2f | Juan Quintela | .put = put_pci_config_device, |
359 | 73534f2f | Juan Quintela | }; |
360 | 73534f2f | Juan Quintela | |
361 | d036bb21 | Michael S. Tsirkin | static int get_pci_irq_state(QEMUFile *f, void *pv, size_t size) |
362 | d036bb21 | Michael S. Tsirkin | { |
363 | c3f8f611 | Michael S. Tsirkin | PCIDevice *s = container_of(pv, PCIDevice, irq_state); |
364 | d036bb21 | Michael S. Tsirkin | uint32_t irq_state[PCI_NUM_PINS]; |
365 | d036bb21 | Michael S. Tsirkin | int i;
|
366 | d036bb21 | Michael S. Tsirkin | for (i = 0; i < PCI_NUM_PINS; ++i) { |
367 | d036bb21 | Michael S. Tsirkin | irq_state[i] = qemu_get_be32(f); |
368 | d036bb21 | Michael S. Tsirkin | if (irq_state[i] != 0x1 && irq_state[i] != 0) { |
369 | d036bb21 | Michael S. Tsirkin | fprintf(stderr, "irq state %d: must be 0 or 1.\n",
|
370 | d036bb21 | Michael S. Tsirkin | irq_state[i]); |
371 | d036bb21 | Michael S. Tsirkin | return -EINVAL;
|
372 | d036bb21 | Michael S. Tsirkin | } |
373 | d036bb21 | Michael S. Tsirkin | } |
374 | d036bb21 | Michael S. Tsirkin | |
375 | d036bb21 | Michael S. Tsirkin | for (i = 0; i < PCI_NUM_PINS; ++i) { |
376 | d036bb21 | Michael S. Tsirkin | pci_set_irq_state(s, i, irq_state[i]); |
377 | d036bb21 | Michael S. Tsirkin | } |
378 | d036bb21 | Michael S. Tsirkin | |
379 | d036bb21 | Michael S. Tsirkin | return 0; |
380 | d036bb21 | Michael S. Tsirkin | } |
381 | d036bb21 | Michael S. Tsirkin | |
382 | d036bb21 | Michael S. Tsirkin | static void put_pci_irq_state(QEMUFile *f, void *pv, size_t size) |
383 | d036bb21 | Michael S. Tsirkin | { |
384 | d036bb21 | Michael S. Tsirkin | int i;
|
385 | c3f8f611 | Michael S. Tsirkin | PCIDevice *s = container_of(pv, PCIDevice, irq_state); |
386 | d036bb21 | Michael S. Tsirkin | |
387 | d036bb21 | Michael S. Tsirkin | for (i = 0; i < PCI_NUM_PINS; ++i) { |
388 | d036bb21 | Michael S. Tsirkin | qemu_put_be32(f, pci_irq_state(s, i)); |
389 | d036bb21 | Michael S. Tsirkin | } |
390 | d036bb21 | Michael S. Tsirkin | } |
391 | d036bb21 | Michael S. Tsirkin | |
392 | d036bb21 | Michael S. Tsirkin | static VMStateInfo vmstate_info_pci_irq_state = {
|
393 | d036bb21 | Michael S. Tsirkin | .name = "pci irq state",
|
394 | d036bb21 | Michael S. Tsirkin | .get = get_pci_irq_state, |
395 | d036bb21 | Michael S. Tsirkin | .put = put_pci_irq_state, |
396 | d036bb21 | Michael S. Tsirkin | }; |
397 | d036bb21 | Michael S. Tsirkin | |
398 | 73534f2f | Juan Quintela | const VMStateDescription vmstate_pci_device = {
|
399 | 73534f2f | Juan Quintela | .name = "PCIDevice",
|
400 | 73534f2f | Juan Quintela | .version_id = 2,
|
401 | 73534f2f | Juan Quintela | .minimum_version_id = 1,
|
402 | 73534f2f | Juan Quintela | .minimum_version_id_old = 1,
|
403 | 73534f2f | Juan Quintela | .fields = (VMStateField []) { |
404 | 73534f2f | Juan Quintela | VMSTATE_INT32_LE(version_id, PCIDevice), |
405 | a9f49946 | Isaku Yamahata | VMSTATE_BUFFER_UNSAFE_INFO(config, PCIDevice, 0,
|
406 | a9f49946 | Isaku Yamahata | vmstate_info_pci_config, |
407 | a9f49946 | Isaku Yamahata | PCI_CONFIG_SPACE_SIZE), |
408 | d036bb21 | Michael S. Tsirkin | VMSTATE_BUFFER_UNSAFE_INFO(irq_state, PCIDevice, 2,
|
409 | d036bb21 | Michael S. Tsirkin | vmstate_info_pci_irq_state, |
410 | d036bb21 | Michael S. Tsirkin | PCI_NUM_PINS * sizeof(int32_t)),
|
411 | a9f49946 | Isaku Yamahata | VMSTATE_END_OF_LIST() |
412 | a9f49946 | Isaku Yamahata | } |
413 | a9f49946 | Isaku Yamahata | }; |
414 | a9f49946 | Isaku Yamahata | |
415 | a9f49946 | Isaku Yamahata | const VMStateDescription vmstate_pcie_device = {
|
416 | a9f49946 | Isaku Yamahata | .name = "PCIDevice",
|
417 | a9f49946 | Isaku Yamahata | .version_id = 2,
|
418 | a9f49946 | Isaku Yamahata | .minimum_version_id = 1,
|
419 | a9f49946 | Isaku Yamahata | .minimum_version_id_old = 1,
|
420 | a9f49946 | Isaku Yamahata | .fields = (VMStateField []) { |
421 | a9f49946 | Isaku Yamahata | VMSTATE_INT32_LE(version_id, PCIDevice), |
422 | a9f49946 | Isaku Yamahata | VMSTATE_BUFFER_UNSAFE_INFO(config, PCIDevice, 0,
|
423 | a9f49946 | Isaku Yamahata | vmstate_info_pci_config, |
424 | a9f49946 | Isaku Yamahata | PCIE_CONFIG_SPACE_SIZE), |
425 | d036bb21 | Michael S. Tsirkin | VMSTATE_BUFFER_UNSAFE_INFO(irq_state, PCIDevice, 2,
|
426 | d036bb21 | Michael S. Tsirkin | vmstate_info_pci_irq_state, |
427 | d036bb21 | Michael S. Tsirkin | PCI_NUM_PINS * sizeof(int32_t)),
|
428 | 73534f2f | Juan Quintela | VMSTATE_END_OF_LIST() |
429 | 73534f2f | Juan Quintela | } |
430 | 73534f2f | Juan Quintela | }; |
431 | 73534f2f | Juan Quintela | |
432 | a9f49946 | Isaku Yamahata | static inline const VMStateDescription *pci_get_vmstate(PCIDevice *s) |
433 | a9f49946 | Isaku Yamahata | { |
434 | a9f49946 | Isaku Yamahata | return pci_is_express(s) ? &vmstate_pcie_device : &vmstate_pci_device;
|
435 | a9f49946 | Isaku Yamahata | } |
436 | a9f49946 | Isaku Yamahata | |
437 | 73534f2f | Juan Quintela | void pci_device_save(PCIDevice *s, QEMUFile *f)
|
438 | 73534f2f | Juan Quintela | { |
439 | f9bf77dd | Michael S. Tsirkin | /* Clear interrupt status bit: it is implicit
|
440 | f9bf77dd | Michael S. Tsirkin | * in irq_state which we are saving.
|
441 | f9bf77dd | Michael S. Tsirkin | * This makes us compatible with old devices
|
442 | f9bf77dd | Michael S. Tsirkin | * which never set or clear this bit. */
|
443 | f9bf77dd | Michael S. Tsirkin | s->config[PCI_STATUS] &= ~PCI_STATUS_INTERRUPT; |
444 | a9f49946 | Isaku Yamahata | vmstate_save_state(f, pci_get_vmstate(s), s); |
445 | f9bf77dd | Michael S. Tsirkin | /* Restore the interrupt status bit. */
|
446 | f9bf77dd | Michael S. Tsirkin | pci_update_irq_status(s); |
447 | 73534f2f | Juan Quintela | } |
448 | 73534f2f | Juan Quintela | |
449 | 73534f2f | Juan Quintela | int pci_device_load(PCIDevice *s, QEMUFile *f)
|
450 | 73534f2f | Juan Quintela | { |
451 | f9bf77dd | Michael S. Tsirkin | int ret;
|
452 | f9bf77dd | Michael S. Tsirkin | ret = vmstate_load_state(f, pci_get_vmstate(s), s, s->version_id); |
453 | f9bf77dd | Michael S. Tsirkin | /* Restore the interrupt status bit. */
|
454 | f9bf77dd | Michael S. Tsirkin | pci_update_irq_status(s); |
455 | f9bf77dd | Michael S. Tsirkin | return ret;
|
456 | 73534f2f | Juan Quintela | } |
457 | 73534f2f | Juan Quintela | |
458 | 5e434f4e | Isaku Yamahata | static void pci_set_default_subsystem_id(PCIDevice *pci_dev) |
459 | d350d97d | aliguori | { |
460 | 5e434f4e | Isaku Yamahata | pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID, |
461 | 5e434f4e | Isaku Yamahata | pci_default_sub_vendor_id); |
462 | 5e434f4e | Isaku Yamahata | pci_set_word(pci_dev->config + PCI_SUBSYSTEM_ID, |
463 | 5e434f4e | Isaku Yamahata | pci_default_sub_device_id); |
464 | d350d97d | aliguori | } |
465 | d350d97d | aliguori | |
466 | 880345c4 | aliguori | /*
|
467 | 43c945f1 | Isaku Yamahata | * Parse [[<domain>:]<bus>:]<slot>, return -1 on error if funcp == NULL
|
468 | 43c945f1 | Isaku Yamahata | * [[<domain>:]<bus>:]<slot>.<func>, return -1 on error
|
469 | 880345c4 | aliguori | */
|
470 | 43c945f1 | Isaku Yamahata | int pci_parse_devaddr(const char *addr, int *domp, int *busp, |
471 | 43c945f1 | Isaku Yamahata | unsigned int *slotp, unsigned int *funcp) |
472 | 880345c4 | aliguori | { |
473 | 880345c4 | aliguori | const char *p; |
474 | 880345c4 | aliguori | char *e;
|
475 | 880345c4 | aliguori | unsigned long val; |
476 | 880345c4 | aliguori | unsigned long dom = 0, bus = 0; |
477 | 43c945f1 | Isaku Yamahata | unsigned int slot = 0; |
478 | 43c945f1 | Isaku Yamahata | unsigned int func = 0; |
479 | 880345c4 | aliguori | |
480 | 880345c4 | aliguori | p = addr; |
481 | 880345c4 | aliguori | val = strtoul(p, &e, 16);
|
482 | 880345c4 | aliguori | if (e == p)
|
483 | 880345c4 | aliguori | return -1; |
484 | 880345c4 | aliguori | if (*e == ':') { |
485 | 880345c4 | aliguori | bus = val; |
486 | 880345c4 | aliguori | p = e + 1;
|
487 | 880345c4 | aliguori | val = strtoul(p, &e, 16);
|
488 | 880345c4 | aliguori | if (e == p)
|
489 | 880345c4 | aliguori | return -1; |
490 | 880345c4 | aliguori | if (*e == ':') { |
491 | 880345c4 | aliguori | dom = bus; |
492 | 880345c4 | aliguori | bus = val; |
493 | 880345c4 | aliguori | p = e + 1;
|
494 | 880345c4 | aliguori | val = strtoul(p, &e, 16);
|
495 | 880345c4 | aliguori | if (e == p)
|
496 | 880345c4 | aliguori | return -1; |
497 | 880345c4 | aliguori | } |
498 | 880345c4 | aliguori | } |
499 | 880345c4 | aliguori | |
500 | 880345c4 | aliguori | slot = val; |
501 | 880345c4 | aliguori | |
502 | 43c945f1 | Isaku Yamahata | if (funcp != NULL) { |
503 | 43c945f1 | Isaku Yamahata | if (*e != '.') |
504 | 43c945f1 | Isaku Yamahata | return -1; |
505 | 43c945f1 | Isaku Yamahata | |
506 | 43c945f1 | Isaku Yamahata | p = e + 1;
|
507 | 43c945f1 | Isaku Yamahata | val = strtoul(p, &e, 16);
|
508 | 43c945f1 | Isaku Yamahata | if (e == p)
|
509 | 43c945f1 | Isaku Yamahata | return -1; |
510 | 43c945f1 | Isaku Yamahata | |
511 | 43c945f1 | Isaku Yamahata | func = val; |
512 | 43c945f1 | Isaku Yamahata | } |
513 | 43c945f1 | Isaku Yamahata | |
514 | 43c945f1 | Isaku Yamahata | /* if funcp == NULL func is 0 */
|
515 | 43c945f1 | Isaku Yamahata | if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) |
516 | 43c945f1 | Isaku Yamahata | return -1; |
517 | 43c945f1 | Isaku Yamahata | |
518 | 880345c4 | aliguori | if (*e)
|
519 | 880345c4 | aliguori | return -1; |
520 | 880345c4 | aliguori | |
521 | 880345c4 | aliguori | /* Note: QEMU doesn't implement domains other than 0 */
|
522 | c469e1dd | Isaku Yamahata | if (!pci_find_bus(pci_find_root_bus(dom), bus))
|
523 | 880345c4 | aliguori | return -1; |
524 | 880345c4 | aliguori | |
525 | 880345c4 | aliguori | *domp = dom; |
526 | 880345c4 | aliguori | *busp = bus; |
527 | 880345c4 | aliguori | *slotp = slot; |
528 | 43c945f1 | Isaku Yamahata | if (funcp != NULL) |
529 | 43c945f1 | Isaku Yamahata | *funcp = func; |
530 | 880345c4 | aliguori | return 0; |
531 | 880345c4 | aliguori | } |
532 | 880345c4 | aliguori | |
533 | e9283f8b | Jan Kiszka | int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp, |
534 | e9283f8b | Jan Kiszka | unsigned *slotp)
|
535 | 880345c4 | aliguori | { |
536 | e9283f8b | Jan Kiszka | /* strip legacy tag */
|
537 | e9283f8b | Jan Kiszka | if (!strncmp(addr, "pci_addr=", 9)) { |
538 | e9283f8b | Jan Kiszka | addr += 9;
|
539 | e9283f8b | Jan Kiszka | } |
540 | 43c945f1 | Isaku Yamahata | if (pci_parse_devaddr(addr, domp, busp, slotp, NULL)) { |
541 | e9283f8b | Jan Kiszka | monitor_printf(mon, "Invalid pci address\n");
|
542 | 880345c4 | aliguori | return -1; |
543 | e9283f8b | Jan Kiszka | } |
544 | e9283f8b | Jan Kiszka | return 0; |
545 | 880345c4 | aliguori | } |
546 | 880345c4 | aliguori | |
547 | 49bd1458 | Markus Armbruster | PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr) |
548 | 5607c388 | Markus Armbruster | { |
549 | 5607c388 | Markus Armbruster | int dom, bus;
|
550 | 5607c388 | Markus Armbruster | unsigned slot;
|
551 | 5607c388 | Markus Armbruster | |
552 | 5607c388 | Markus Armbruster | if (!devaddr) {
|
553 | 5607c388 | Markus Armbruster | *devfnp = -1;
|
554 | c469e1dd | Isaku Yamahata | return pci_find_bus(pci_find_root_bus(0), 0); |
555 | 5607c388 | Markus Armbruster | } |
556 | 5607c388 | Markus Armbruster | |
557 | 43c945f1 | Isaku Yamahata | if (pci_parse_devaddr(devaddr, &dom, &bus, &slot, NULL) < 0) { |
558 | 5607c388 | Markus Armbruster | return NULL; |
559 | 5607c388 | Markus Armbruster | } |
560 | 5607c388 | Markus Armbruster | |
561 | 6ff534b6 | Isaku Yamahata | *devfnp = PCI_DEVFN(slot, 0);
|
562 | e075e788 | Isaku Yamahata | return pci_find_bus(pci_find_root_bus(dom), bus);
|
563 | 5607c388 | Markus Armbruster | } |
564 | 5607c388 | Markus Armbruster | |
565 | bd4b65ee | Michael S. Tsirkin | static void pci_init_cmask(PCIDevice *dev) |
566 | bd4b65ee | Michael S. Tsirkin | { |
567 | bd4b65ee | Michael S. Tsirkin | pci_set_word(dev->cmask + PCI_VENDOR_ID, 0xffff);
|
568 | bd4b65ee | Michael S. Tsirkin | pci_set_word(dev->cmask + PCI_DEVICE_ID, 0xffff);
|
569 | bd4b65ee | Michael S. Tsirkin | dev->cmask[PCI_STATUS] = PCI_STATUS_CAP_LIST; |
570 | bd4b65ee | Michael S. Tsirkin | dev->cmask[PCI_REVISION_ID] = 0xff;
|
571 | bd4b65ee | Michael S. Tsirkin | dev->cmask[PCI_CLASS_PROG] = 0xff;
|
572 | bd4b65ee | Michael S. Tsirkin | pci_set_word(dev->cmask + PCI_CLASS_DEVICE, 0xffff);
|
573 | bd4b65ee | Michael S. Tsirkin | dev->cmask[PCI_HEADER_TYPE] = 0xff;
|
574 | bd4b65ee | Michael S. Tsirkin | dev->cmask[PCI_CAPABILITY_LIST] = 0xff;
|
575 | bd4b65ee | Michael S. Tsirkin | } |
576 | bd4b65ee | Michael S. Tsirkin | |
577 | b7ee1603 | Michael S. Tsirkin | static void pci_init_wmask(PCIDevice *dev) |
578 | b7ee1603 | Michael S. Tsirkin | { |
579 | a9f49946 | Isaku Yamahata | int config_size = pci_config_size(dev);
|
580 | a9f49946 | Isaku Yamahata | |
581 | b7ee1603 | Michael S. Tsirkin | dev->wmask[PCI_CACHE_LINE_SIZE] = 0xff;
|
582 | b7ee1603 | Michael S. Tsirkin | dev->wmask[PCI_INTERRUPT_LINE] = 0xff;
|
583 | 67a51b48 | Isaku Yamahata | pci_set_word(dev->wmask + PCI_COMMAND, |
584 | a7b15a5c | Michael S. Tsirkin | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | |
585 | a7b15a5c | Michael S. Tsirkin | PCI_COMMAND_INTX_DISABLE); |
586 | b1aeb926 | Isaku Yamahata | if (dev->cap_present & QEMU_PCI_CAP_SERR) {
|
587 | b1aeb926 | Isaku Yamahata | pci_word_test_and_set_mask(dev->wmask + PCI_COMMAND, PCI_COMMAND_SERR); |
588 | b1aeb926 | Isaku Yamahata | } |
589 | 3e21ffc9 | Isaku Yamahata | |
590 | 3e21ffc9 | Isaku Yamahata | memset(dev->wmask + PCI_CONFIG_HEADER_SIZE, 0xff,
|
591 | 3e21ffc9 | Isaku Yamahata | config_size - PCI_CONFIG_HEADER_SIZE); |
592 | b7ee1603 | Michael S. Tsirkin | } |
593 | b7ee1603 | Michael S. Tsirkin | |
594 | 89d437df | Isaku Yamahata | static void pci_init_w1cmask(PCIDevice *dev) |
595 | 89d437df | Isaku Yamahata | { |
596 | 89d437df | Isaku Yamahata | /*
|
597 | f6bdfcc9 | Michael S. Tsirkin | * Note: It's okay to set w1cmask even for readonly bits as
|
598 | 89d437df | Isaku Yamahata | * long as their value is hardwired to 0.
|
599 | 89d437df | Isaku Yamahata | */
|
600 | 89d437df | Isaku Yamahata | pci_set_word(dev->w1cmask + PCI_STATUS, |
601 | 89d437df | Isaku Yamahata | PCI_STATUS_PARITY | PCI_STATUS_SIG_TARGET_ABORT | |
602 | 89d437df | Isaku Yamahata | PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_REC_MASTER_ABORT | |
603 | 89d437df | Isaku Yamahata | PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_DETECTED_PARITY); |
604 | 89d437df | Isaku Yamahata | } |
605 | 89d437df | Isaku Yamahata | |
606 | fb231628 | Isaku Yamahata | static void pci_init_wmask_bridge(PCIDevice *d) |
607 | fb231628 | Isaku Yamahata | { |
608 | fb231628 | Isaku Yamahata | /* PCI_PRIMARY_BUS, PCI_SECONDARY_BUS, PCI_SUBORDINATE_BUS and
|
609 | fb231628 | Isaku Yamahata | PCI_SEC_LETENCY_TIMER */
|
610 | fb231628 | Isaku Yamahata | memset(d->wmask + PCI_PRIMARY_BUS, 0xff, 4); |
611 | fb231628 | Isaku Yamahata | |
612 | fb231628 | Isaku Yamahata | /* base and limit */
|
613 | fb231628 | Isaku Yamahata | d->wmask[PCI_IO_BASE] = PCI_IO_RANGE_MASK & 0xff;
|
614 | fb231628 | Isaku Yamahata | d->wmask[PCI_IO_LIMIT] = PCI_IO_RANGE_MASK & 0xff;
|
615 | fb231628 | Isaku Yamahata | pci_set_word(d->wmask + PCI_MEMORY_BASE, |
616 | fb231628 | Isaku Yamahata | PCI_MEMORY_RANGE_MASK & 0xffff);
|
617 | fb231628 | Isaku Yamahata | pci_set_word(d->wmask + PCI_MEMORY_LIMIT, |
618 | fb231628 | Isaku Yamahata | PCI_MEMORY_RANGE_MASK & 0xffff);
|
619 | fb231628 | Isaku Yamahata | pci_set_word(d->wmask + PCI_PREF_MEMORY_BASE, |
620 | fb231628 | Isaku Yamahata | PCI_PREF_RANGE_MASK & 0xffff);
|
621 | fb231628 | Isaku Yamahata | pci_set_word(d->wmask + PCI_PREF_MEMORY_LIMIT, |
622 | fb231628 | Isaku Yamahata | PCI_PREF_RANGE_MASK & 0xffff);
|
623 | fb231628 | Isaku Yamahata | |
624 | fb231628 | Isaku Yamahata | /* PCI_PREF_BASE_UPPER32 and PCI_PREF_LIMIT_UPPER32 */
|
625 | fb231628 | Isaku Yamahata | memset(d->wmask + PCI_PREF_BASE_UPPER32, 0xff, 8); |
626 | fb231628 | Isaku Yamahata | |
627 | f6bdfcc9 | Michael S. Tsirkin | /* TODO: add this define to pci_regs.h in linux and then in qemu. */
|
628 | f6bdfcc9 | Michael S. Tsirkin | #define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */ |
629 | f6bdfcc9 | Michael S. Tsirkin | #define PCI_BRIDGE_CTL_DISCARD 0x100 /* Primary discard timer */ |
630 | f6bdfcc9 | Michael S. Tsirkin | #define PCI_BRIDGE_CTL_SEC_DISCARD 0x200 /* Secondary discard timer */ |
631 | f6bdfcc9 | Michael S. Tsirkin | #define PCI_BRIDGE_CTL_DISCARD_STATUS 0x400 /* Discard timer status */ |
632 | f6bdfcc9 | Michael S. Tsirkin | #define PCI_BRIDGE_CTL_DISCARD_SERR 0x800 /* Discard timer SERR# enable */ |
633 | f6bdfcc9 | Michael S. Tsirkin | pci_set_word(d->wmask + PCI_BRIDGE_CONTROL, |
634 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_PARITY | |
635 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_SERR | |
636 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_ISA | |
637 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_VGA | |
638 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_VGA_16BIT | |
639 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_MASTER_ABORT | |
640 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_BUS_RESET | |
641 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_FAST_BACK | |
642 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_DISCARD | |
643 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_SEC_DISCARD | |
644 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_DISCARD_SERR); |
645 | f6bdfcc9 | Michael S. Tsirkin | /* Below does not do anything as we never set this bit, put here for
|
646 | f6bdfcc9 | Michael S. Tsirkin | * completeness. */
|
647 | f6bdfcc9 | Michael S. Tsirkin | pci_set_word(d->w1cmask + PCI_BRIDGE_CONTROL, |
648 | f6bdfcc9 | Michael S. Tsirkin | PCI_BRIDGE_CTL_DISCARD_STATUS); |
649 | fb231628 | Isaku Yamahata | } |
650 | fb231628 | Isaku Yamahata | |
651 | 6eab3de1 | Isaku Yamahata | static int pci_init_multifunction(PCIBus *bus, PCIDevice *dev) |
652 | 6eab3de1 | Isaku Yamahata | { |
653 | 6eab3de1 | Isaku Yamahata | uint8_t slot = PCI_SLOT(dev->devfn); |
654 | 6eab3de1 | Isaku Yamahata | uint8_t func; |
655 | 6eab3de1 | Isaku Yamahata | |
656 | 6eab3de1 | Isaku Yamahata | if (dev->cap_present & QEMU_PCI_CAP_MULTIFUNCTION) {
|
657 | 6eab3de1 | Isaku Yamahata | dev->config[PCI_HEADER_TYPE] |= PCI_HEADER_TYPE_MULTI_FUNCTION; |
658 | 6eab3de1 | Isaku Yamahata | } |
659 | 6eab3de1 | Isaku Yamahata | |
660 | 6eab3de1 | Isaku Yamahata | /*
|
661 | b0cd712c | Stefan Weil | * multifunction bit is interpreted in two ways as follows.
|
662 | 6eab3de1 | Isaku Yamahata | * - all functions must set the bit to 1.
|
663 | 6eab3de1 | Isaku Yamahata | * Example: Intel X53
|
664 | 6eab3de1 | Isaku Yamahata | * - function 0 must set the bit, but the rest function (> 0)
|
665 | 6eab3de1 | Isaku Yamahata | * is allowed to leave the bit to 0.
|
666 | 6eab3de1 | Isaku Yamahata | * Example: PIIX3(also in qemu), PIIX4(also in qemu), ICH10,
|
667 | 6eab3de1 | Isaku Yamahata | *
|
668 | 6eab3de1 | Isaku Yamahata | * So OS (at least Linux) checks the bit of only function 0,
|
669 | 6eab3de1 | Isaku Yamahata | * and doesn't see the bit of function > 0.
|
670 | 6eab3de1 | Isaku Yamahata | *
|
671 | 6eab3de1 | Isaku Yamahata | * The below check allows both interpretation.
|
672 | 6eab3de1 | Isaku Yamahata | */
|
673 | 6eab3de1 | Isaku Yamahata | if (PCI_FUNC(dev->devfn)) {
|
674 | 6eab3de1 | Isaku Yamahata | PCIDevice *f0 = bus->devices[PCI_DEVFN(slot, 0)];
|
675 | 6eab3de1 | Isaku Yamahata | if (f0 && !(f0->cap_present & QEMU_PCI_CAP_MULTIFUNCTION)) {
|
676 | 6eab3de1 | Isaku Yamahata | /* function 0 should set multifunction bit */
|
677 | 6eab3de1 | Isaku Yamahata | error_report("PCI: single function device can't be populated "
|
678 | 6eab3de1 | Isaku Yamahata | "in function %x.%x", slot, PCI_FUNC(dev->devfn));
|
679 | 6eab3de1 | Isaku Yamahata | return -1; |
680 | 6eab3de1 | Isaku Yamahata | } |
681 | 6eab3de1 | Isaku Yamahata | return 0; |
682 | 6eab3de1 | Isaku Yamahata | } |
683 | 6eab3de1 | Isaku Yamahata | |
684 | 6eab3de1 | Isaku Yamahata | if (dev->cap_present & QEMU_PCI_CAP_MULTIFUNCTION) {
|
685 | 6eab3de1 | Isaku Yamahata | return 0; |
686 | 6eab3de1 | Isaku Yamahata | } |
687 | 6eab3de1 | Isaku Yamahata | /* function 0 indicates single function, so function > 0 must be NULL */
|
688 | 6eab3de1 | Isaku Yamahata | for (func = 1; func < PCI_FUNC_MAX; ++func) { |
689 | 6eab3de1 | Isaku Yamahata | if (bus->devices[PCI_DEVFN(slot, func)]) {
|
690 | 6eab3de1 | Isaku Yamahata | error_report("PCI: %x.0 indicates single function, "
|
691 | 6eab3de1 | Isaku Yamahata | "but %x.%x is already populated.",
|
692 | 6eab3de1 | Isaku Yamahata | slot, slot, func); |
693 | 6eab3de1 | Isaku Yamahata | return -1; |
694 | 6eab3de1 | Isaku Yamahata | } |
695 | 6eab3de1 | Isaku Yamahata | } |
696 | 6eab3de1 | Isaku Yamahata | return 0; |
697 | 6eab3de1 | Isaku Yamahata | } |
698 | 6eab3de1 | Isaku Yamahata | |
699 | a9f49946 | Isaku Yamahata | static void pci_config_alloc(PCIDevice *pci_dev) |
700 | a9f49946 | Isaku Yamahata | { |
701 | a9f49946 | Isaku Yamahata | int config_size = pci_config_size(pci_dev);
|
702 | a9f49946 | Isaku Yamahata | |
703 | a9f49946 | Isaku Yamahata | pci_dev->config = qemu_mallocz(config_size); |
704 | a9f49946 | Isaku Yamahata | pci_dev->cmask = qemu_mallocz(config_size); |
705 | a9f49946 | Isaku Yamahata | pci_dev->wmask = qemu_mallocz(config_size); |
706 | 92ba5f51 | Isaku Yamahata | pci_dev->w1cmask = qemu_mallocz(config_size); |
707 | a9f49946 | Isaku Yamahata | pci_dev->used = qemu_mallocz(config_size); |
708 | a9f49946 | Isaku Yamahata | } |
709 | a9f49946 | Isaku Yamahata | |
710 | a9f49946 | Isaku Yamahata | static void pci_config_free(PCIDevice *pci_dev) |
711 | a9f49946 | Isaku Yamahata | { |
712 | a9f49946 | Isaku Yamahata | qemu_free(pci_dev->config); |
713 | a9f49946 | Isaku Yamahata | qemu_free(pci_dev->cmask); |
714 | a9f49946 | Isaku Yamahata | qemu_free(pci_dev->wmask); |
715 | 92ba5f51 | Isaku Yamahata | qemu_free(pci_dev->w1cmask); |
716 | a9f49946 | Isaku Yamahata | qemu_free(pci_dev->used); |
717 | a9f49946 | Isaku Yamahata | } |
718 | a9f49946 | Isaku Yamahata | |
719 | 69b91039 | bellard | /* -1 for devfn means auto assign */
|
720 | 6b1b92d3 | Paul Brook | static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
|
721 | 6b1b92d3 | Paul Brook | const char *name, int devfn, |
722 | 6b1b92d3 | Paul Brook | PCIConfigReadFunc *config_read, |
723 | fb231628 | Isaku Yamahata | PCIConfigWriteFunc *config_write, |
724 | e327e323 | Isaku Yamahata | bool is_bridge)
|
725 | 69b91039 | bellard | { |
726 | 69b91039 | bellard | if (devfn < 0) { |
727 | b47b0706 | Isaku Yamahata | for(devfn = bus->devfn_min ; devfn < ARRAY_SIZE(bus->devices);
|
728 | 6fa84913 | Isaku Yamahata | devfn += PCI_FUNC_MAX) { |
729 | 30468f78 | bellard | if (!bus->devices[devfn])
|
730 | 69b91039 | bellard | goto found;
|
731 | 69b91039 | bellard | } |
732 | 3709c1b7 | Daniel P. Berrange | error_report("PCI: no slot/function available for %s, all in use", name);
|
733 | 09e3acc6 | Gerd Hoffmann | return NULL; |
734 | 69b91039 | bellard | found: ;
|
735 | 07b7d053 | Markus Armbruster | } else if (bus->devices[devfn]) { |
736 | 3709c1b7 | Daniel P. Berrange | error_report("PCI: slot %d function %d not available for %s, in use by %s",
|
737 | 3709c1b7 | Daniel P. Berrange | PCI_SLOT(devfn), PCI_FUNC(devfn), name, bus->devices[devfn]->name); |
738 | 09e3acc6 | Gerd Hoffmann | return NULL; |
739 | 69b91039 | bellard | } |
740 | 30468f78 | bellard | pci_dev->bus = bus; |
741 | 69b91039 | bellard | pci_dev->devfn = devfn; |
742 | 69b91039 | bellard | pstrcpy(pci_dev->name, sizeof(pci_dev->name), name);
|
743 | d036bb21 | Michael S. Tsirkin | pci_dev->irq_state = 0;
|
744 | a9f49946 | Isaku Yamahata | pci_config_alloc(pci_dev); |
745 | fb231628 | Isaku Yamahata | |
746 | e327e323 | Isaku Yamahata | if (!is_bridge) {
|
747 | fb231628 | Isaku Yamahata | pci_set_default_subsystem_id(pci_dev); |
748 | fb231628 | Isaku Yamahata | } |
749 | bd4b65ee | Michael S. Tsirkin | pci_init_cmask(pci_dev); |
750 | b7ee1603 | Michael S. Tsirkin | pci_init_wmask(pci_dev); |
751 | 89d437df | Isaku Yamahata | pci_init_w1cmask(pci_dev); |
752 | e327e323 | Isaku Yamahata | if (is_bridge) {
|
753 | fb231628 | Isaku Yamahata | pci_init_wmask_bridge(pci_dev); |
754 | fb231628 | Isaku Yamahata | } |
755 | 6eab3de1 | Isaku Yamahata | if (pci_init_multifunction(bus, pci_dev)) {
|
756 | 6eab3de1 | Isaku Yamahata | pci_config_free(pci_dev); |
757 | 6eab3de1 | Isaku Yamahata | return NULL; |
758 | 6eab3de1 | Isaku Yamahata | } |
759 | 0ac32c83 | bellard | |
760 | 0ac32c83 | bellard | if (!config_read)
|
761 | 0ac32c83 | bellard | config_read = pci_default_read_config; |
762 | 0ac32c83 | bellard | if (!config_write)
|
763 | 0ac32c83 | bellard | config_write = pci_default_write_config; |
764 | 69b91039 | bellard | pci_dev->config_read = config_read; |
765 | 69b91039 | bellard | pci_dev->config_write = config_write; |
766 | 30468f78 | bellard | bus->devices[devfn] = pci_dev; |
767 | e369cad7 | Isaku Yamahata | pci_dev->irq = qemu_allocate_irqs(pci_set_irq, pci_dev, PCI_NUM_PINS); |
768 | f16c4abf | Juan Quintela | pci_dev->version_id = 2; /* Current pci device vmstate version */ |
769 | 69b91039 | bellard | return pci_dev;
|
770 | 69b91039 | bellard | } |
771 | 69b91039 | bellard | |
772 | 925fe64a | Alex Williamson | static void do_pci_unregister_device(PCIDevice *pci_dev) |
773 | 925fe64a | Alex Williamson | { |
774 | 925fe64a | Alex Williamson | qemu_free_irqs(pci_dev->irq); |
775 | 925fe64a | Alex Williamson | pci_dev->bus->devices[pci_dev->devfn] = NULL;
|
776 | 925fe64a | Alex Williamson | pci_config_free(pci_dev); |
777 | 925fe64a | Alex Williamson | } |
778 | 925fe64a | Alex Williamson | |
779 | 6b1b92d3 | Paul Brook | PCIDevice *pci_register_device(PCIBus *bus, const char *name, |
780 | 6b1b92d3 | Paul Brook | int instance_size, int devfn, |
781 | 6b1b92d3 | Paul Brook | PCIConfigReadFunc *config_read, |
782 | 6b1b92d3 | Paul Brook | PCIConfigWriteFunc *config_write) |
783 | 6b1b92d3 | Paul Brook | { |
784 | 6b1b92d3 | Paul Brook | PCIDevice *pci_dev; |
785 | 6b1b92d3 | Paul Brook | |
786 | 6b1b92d3 | Paul Brook | pci_dev = qemu_mallocz(instance_size); |
787 | 6b1b92d3 | Paul Brook | pci_dev = do_pci_register_device(pci_dev, bus, name, devfn, |
788 | fb231628 | Isaku Yamahata | config_read, config_write, |
789 | fb231628 | Isaku Yamahata | PCI_HEADER_TYPE_NORMAL); |
790 | 09e3acc6 | Gerd Hoffmann | if (pci_dev == NULL) { |
791 | 09e3acc6 | Gerd Hoffmann | hw_error("PCI: can't register device\n");
|
792 | 09e3acc6 | Gerd Hoffmann | } |
793 | 6b1b92d3 | Paul Brook | return pci_dev;
|
794 | 6b1b92d3 | Paul Brook | } |
795 | 2e01c8cf | Blue Swirl | |
796 | 2e01c8cf | Blue Swirl | static target_phys_addr_t pci_to_cpu_addr(PCIBus *bus,
|
797 | 2e01c8cf | Blue Swirl | target_phys_addr_t addr) |
798 | 5851e08c | aliguori | { |
799 | 2e01c8cf | Blue Swirl | return addr + bus->mem_base;
|
800 | 5851e08c | aliguori | } |
801 | 5851e08c | aliguori | |
802 | 5851e08c | aliguori | static void pci_unregister_io_regions(PCIDevice *pci_dev) |
803 | 5851e08c | aliguori | { |
804 | 5851e08c | aliguori | PCIIORegion *r; |
805 | 5851e08c | aliguori | int i;
|
806 | 5851e08c | aliguori | |
807 | 5851e08c | aliguori | for(i = 0; i < PCI_NUM_REGIONS; i++) { |
808 | 5851e08c | aliguori | r = &pci_dev->io_regions[i]; |
809 | 182f9c8a | Isaku Yamahata | if (!r->size || r->addr == PCI_BAR_UNMAPPED)
|
810 | 5851e08c | aliguori | continue;
|
811 | 0392a017 | Isaku Yamahata | if (r->type == PCI_BASE_ADDRESS_SPACE_IO) {
|
812 | a0c7a97e | Isaku Yamahata | isa_unassign_ioport(r->addr, r->filtered_size); |
813 | 5851e08c | aliguori | } else {
|
814 | 2e01c8cf | Blue Swirl | cpu_register_physical_memory(pci_to_cpu_addr(pci_dev->bus, |
815 | 2e01c8cf | Blue Swirl | r->addr), |
816 | 2e01c8cf | Blue Swirl | r->filtered_size, |
817 | 2e01c8cf | Blue Swirl | IO_MEM_UNASSIGNED); |
818 | 5851e08c | aliguori | } |
819 | 5851e08c | aliguori | } |
820 | 5851e08c | aliguori | } |
821 | 5851e08c | aliguori | |
822 | a36a344d | Gerd Hoffmann | static int pci_unregister_device(DeviceState *dev) |
823 | 5851e08c | aliguori | { |
824 | a36a344d | Gerd Hoffmann | PCIDevice *pci_dev = DO_UPCAST(PCIDevice, qdev, dev); |
825 | e3936fa5 | Gerd Hoffmann | PCIDeviceInfo *info = DO_UPCAST(PCIDeviceInfo, qdev, dev->info); |
826 | 5851e08c | aliguori | int ret = 0; |
827 | 5851e08c | aliguori | |
828 | e3936fa5 | Gerd Hoffmann | if (info->exit)
|
829 | e3936fa5 | Gerd Hoffmann | ret = info->exit(pci_dev); |
830 | 5851e08c | aliguori | if (ret)
|
831 | 5851e08c | aliguori | return ret;
|
832 | 5851e08c | aliguori | |
833 | 5851e08c | aliguori | pci_unregister_io_regions(pci_dev); |
834 | 230741dc | Alex Williamson | pci_del_option_rom(pci_dev); |
835 | be7052c2 | Isaku Yamahata | qemu_free(pci_dev->romfile); |
836 | 925fe64a | Alex Williamson | do_pci_unregister_device(pci_dev); |
837 | 5851e08c | aliguori | return 0; |
838 | 5851e08c | aliguori | } |
839 | 5851e08c | aliguori | |
840 | 28c2c264 | Avi Kivity | void pci_register_bar(PCIDevice *pci_dev, int region_num, |
841 | 0bb750ef | Isaku Yamahata | pcibus_t size, uint8_t type, |
842 | 69b91039 | bellard | PCIMapIORegionFunc *map_func) |
843 | 69b91039 | bellard | { |
844 | 69b91039 | bellard | PCIIORegion *r; |
845 | d7ce493a | pbrook | uint32_t addr; |
846 | 5a9ff381 | Isaku Yamahata | uint64_t wmask; |
847 | a4c20c6a | aliguori | |
848 | 2bbb9c2f | Isaku Yamahata | assert(region_num >= 0);
|
849 | 2bbb9c2f | Isaku Yamahata | assert(region_num < PCI_NUM_REGIONS); |
850 | a4c20c6a | aliguori | if (size & (size-1)) { |
851 | a4c20c6a | aliguori | fprintf(stderr, "ERROR: PCI region size must be pow2 "
|
852 | 89e8b13c | Isaku Yamahata | "type=0x%x, size=0x%"FMT_PCIBUS"\n", type, size); |
853 | a4c20c6a | aliguori | exit(1);
|
854 | a4c20c6a | aliguori | } |
855 | a4c20c6a | aliguori | |
856 | 69b91039 | bellard | r = &pci_dev->io_regions[region_num]; |
857 | 182f9c8a | Isaku Yamahata | r->addr = PCI_BAR_UNMAPPED; |
858 | 69b91039 | bellard | r->size = size; |
859 | a0c7a97e | Isaku Yamahata | r->filtered_size = size; |
860 | 69b91039 | bellard | r->type = type; |
861 | 69b91039 | bellard | r->map_func = map_func; |
862 | b7ee1603 | Michael S. Tsirkin | |
863 | b7ee1603 | Michael S. Tsirkin | wmask = ~(size - 1);
|
864 | b3b11697 | Isaku Yamahata | addr = pci_bar(pci_dev, region_num); |
865 | d7ce493a | pbrook | if (region_num == PCI_ROM_SLOT) {
|
866 | b7ee1603 | Michael S. Tsirkin | /* ROM enable bit is writeable */
|
867 | 5330de09 | Michael S. Tsirkin | wmask |= PCI_ROM_ADDRESS_ENABLE; |
868 | d7ce493a | pbrook | } |
869 | b0ff8eb2 | Isaku Yamahata | pci_set_long(pci_dev->config + addr, type); |
870 | 14421258 | Isaku Yamahata | if (!(r->type & PCI_BASE_ADDRESS_SPACE_IO) &&
|
871 | 14421258 | Isaku Yamahata | r->type & PCI_BASE_ADDRESS_MEM_TYPE_64) { |
872 | 14421258 | Isaku Yamahata | pci_set_quad(pci_dev->wmask + addr, wmask); |
873 | 14421258 | Isaku Yamahata | pci_set_quad(pci_dev->cmask + addr, ~0ULL);
|
874 | 14421258 | Isaku Yamahata | } else {
|
875 | 14421258 | Isaku Yamahata | pci_set_long(pci_dev->wmask + addr, wmask & 0xffffffff);
|
876 | 14421258 | Isaku Yamahata | pci_set_long(pci_dev->cmask + addr, 0xffffffff);
|
877 | 14421258 | Isaku Yamahata | } |
878 | 69b91039 | bellard | } |
879 | 69b91039 | bellard | |
880 | a0c7a97e | Isaku Yamahata | static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size, |
881 | a0c7a97e | Isaku Yamahata | uint8_t type) |
882 | a0c7a97e | Isaku Yamahata | { |
883 | a0c7a97e | Isaku Yamahata | pcibus_t base = *addr; |
884 | a0c7a97e | Isaku Yamahata | pcibus_t limit = *addr + *size - 1;
|
885 | a0c7a97e | Isaku Yamahata | PCIDevice *br; |
886 | a0c7a97e | Isaku Yamahata | |
887 | a0c7a97e | Isaku Yamahata | for (br = d->bus->parent_dev; br; br = br->bus->parent_dev) {
|
888 | a0c7a97e | Isaku Yamahata | uint16_t cmd = pci_get_word(d->config + PCI_COMMAND); |
889 | a0c7a97e | Isaku Yamahata | |
890 | a0c7a97e | Isaku Yamahata | if (type & PCI_BASE_ADDRESS_SPACE_IO) {
|
891 | a0c7a97e | Isaku Yamahata | if (!(cmd & PCI_COMMAND_IO)) {
|
892 | a0c7a97e | Isaku Yamahata | goto no_map;
|
893 | a0c7a97e | Isaku Yamahata | } |
894 | a0c7a97e | Isaku Yamahata | } else {
|
895 | a0c7a97e | Isaku Yamahata | if (!(cmd & PCI_COMMAND_MEMORY)) {
|
896 | a0c7a97e | Isaku Yamahata | goto no_map;
|
897 | a0c7a97e | Isaku Yamahata | } |
898 | a0c7a97e | Isaku Yamahata | } |
899 | a0c7a97e | Isaku Yamahata | |
900 | a0c7a97e | Isaku Yamahata | base = MAX(base, pci_bridge_get_base(br, type)); |
901 | a0c7a97e | Isaku Yamahata | limit = MIN(limit, pci_bridge_get_limit(br, type)); |
902 | a0c7a97e | Isaku Yamahata | } |
903 | a0c7a97e | Isaku Yamahata | |
904 | a0c7a97e | Isaku Yamahata | if (base > limit) {
|
905 | 88a95564 | Michael S. Tsirkin | goto no_map;
|
906 | a0c7a97e | Isaku Yamahata | } |
907 | 88a95564 | Michael S. Tsirkin | *addr = base; |
908 | 88a95564 | Michael S. Tsirkin | *size = limit - base + 1;
|
909 | 88a95564 | Michael S. Tsirkin | return;
|
910 | 88a95564 | Michael S. Tsirkin | no_map:
|
911 | 88a95564 | Michael S. Tsirkin | *addr = PCI_BAR_UNMAPPED; |
912 | 88a95564 | Michael S. Tsirkin | *size = 0;
|
913 | a0c7a97e | Isaku Yamahata | } |
914 | a0c7a97e | Isaku Yamahata | |
915 | 876a350d | Michael S. Tsirkin | static pcibus_t pci_bar_address(PCIDevice *d,
|
916 | 876a350d | Michael S. Tsirkin | int reg, uint8_t type, pcibus_t size)
|
917 | 876a350d | Michael S. Tsirkin | { |
918 | 876a350d | Michael S. Tsirkin | pcibus_t new_addr, last_addr; |
919 | 876a350d | Michael S. Tsirkin | int bar = pci_bar(d, reg);
|
920 | 876a350d | Michael S. Tsirkin | uint16_t cmd = pci_get_word(d->config + PCI_COMMAND); |
921 | 876a350d | Michael S. Tsirkin | |
922 | 876a350d | Michael S. Tsirkin | if (type & PCI_BASE_ADDRESS_SPACE_IO) {
|
923 | 876a350d | Michael S. Tsirkin | if (!(cmd & PCI_COMMAND_IO)) {
|
924 | 876a350d | Michael S. Tsirkin | return PCI_BAR_UNMAPPED;
|
925 | 876a350d | Michael S. Tsirkin | } |
926 | 876a350d | Michael S. Tsirkin | new_addr = pci_get_long(d->config + bar) & ~(size - 1);
|
927 | 876a350d | Michael S. Tsirkin | last_addr = new_addr + size - 1;
|
928 | 876a350d | Michael S. Tsirkin | /* NOTE: we have only 64K ioports on PC */
|
929 | 876a350d | Michael S. Tsirkin | if (last_addr <= new_addr || new_addr == 0 || last_addr > UINT16_MAX) { |
930 | 876a350d | Michael S. Tsirkin | return PCI_BAR_UNMAPPED;
|
931 | 876a350d | Michael S. Tsirkin | } |
932 | 876a350d | Michael S. Tsirkin | return new_addr;
|
933 | 876a350d | Michael S. Tsirkin | } |
934 | 876a350d | Michael S. Tsirkin | |
935 | 876a350d | Michael S. Tsirkin | if (!(cmd & PCI_COMMAND_MEMORY)) {
|
936 | 876a350d | Michael S. Tsirkin | return PCI_BAR_UNMAPPED;
|
937 | 876a350d | Michael S. Tsirkin | } |
938 | 876a350d | Michael S. Tsirkin | if (type & PCI_BASE_ADDRESS_MEM_TYPE_64) {
|
939 | 876a350d | Michael S. Tsirkin | new_addr = pci_get_quad(d->config + bar); |
940 | 876a350d | Michael S. Tsirkin | } else {
|
941 | 876a350d | Michael S. Tsirkin | new_addr = pci_get_long(d->config + bar); |
942 | 876a350d | Michael S. Tsirkin | } |
943 | 876a350d | Michael S. Tsirkin | /* the ROM slot has a specific enable bit */
|
944 | 876a350d | Michael S. Tsirkin | if (reg == PCI_ROM_SLOT && !(new_addr & PCI_ROM_ADDRESS_ENABLE)) {
|
945 | 876a350d | Michael S. Tsirkin | return PCI_BAR_UNMAPPED;
|
946 | 876a350d | Michael S. Tsirkin | } |
947 | 876a350d | Michael S. Tsirkin | new_addr &= ~(size - 1);
|
948 | 876a350d | Michael S. Tsirkin | last_addr = new_addr + size - 1;
|
949 | 876a350d | Michael S. Tsirkin | /* NOTE: we do not support wrapping */
|
950 | 876a350d | Michael S. Tsirkin | /* XXX: as we cannot support really dynamic
|
951 | 876a350d | Michael S. Tsirkin | mappings, we handle specific values as invalid
|
952 | 876a350d | Michael S. Tsirkin | mappings. */
|
953 | 876a350d | Michael S. Tsirkin | if (last_addr <= new_addr || new_addr == 0 || |
954 | 876a350d | Michael S. Tsirkin | last_addr == PCI_BAR_UNMAPPED) { |
955 | 876a350d | Michael S. Tsirkin | return PCI_BAR_UNMAPPED;
|
956 | 876a350d | Michael S. Tsirkin | } |
957 | 876a350d | Michael S. Tsirkin | |
958 | 876a350d | Michael S. Tsirkin | /* Now pcibus_t is 64bit.
|
959 | 876a350d | Michael S. Tsirkin | * Check if 32 bit BAR wraps around explicitly.
|
960 | 876a350d | Michael S. Tsirkin | * Without this, PC ide doesn't work well.
|
961 | 876a350d | Michael S. Tsirkin | * TODO: remove this work around.
|
962 | 876a350d | Michael S. Tsirkin | */
|
963 | 876a350d | Michael S. Tsirkin | if (!(type & PCI_BASE_ADDRESS_MEM_TYPE_64) && last_addr >= UINT32_MAX) {
|
964 | 876a350d | Michael S. Tsirkin | return PCI_BAR_UNMAPPED;
|
965 | 876a350d | Michael S. Tsirkin | } |
966 | 876a350d | Michael S. Tsirkin | |
967 | 876a350d | Michael S. Tsirkin | /*
|
968 | 876a350d | Michael S. Tsirkin | * OS is allowed to set BAR beyond its addressable
|
969 | 876a350d | Michael S. Tsirkin | * bits. For example, 32 bit OS can set 64bit bar
|
970 | 876a350d | Michael S. Tsirkin | * to >4G. Check it. TODO: we might need to support
|
971 | 876a350d | Michael S. Tsirkin | * it in the future for e.g. PAE.
|
972 | 876a350d | Michael S. Tsirkin | */
|
973 | 876a350d | Michael S. Tsirkin | if (last_addr >= TARGET_PHYS_ADDR_MAX) {
|
974 | 876a350d | Michael S. Tsirkin | return PCI_BAR_UNMAPPED;
|
975 | 876a350d | Michael S. Tsirkin | } |
976 | 876a350d | Michael S. Tsirkin | |
977 | 876a350d | Michael S. Tsirkin | return new_addr;
|
978 | 876a350d | Michael S. Tsirkin | } |
979 | 876a350d | Michael S. Tsirkin | |
980 | 0ac32c83 | bellard | static void pci_update_mappings(PCIDevice *d) |
981 | 0ac32c83 | bellard | { |
982 | 0ac32c83 | bellard | PCIIORegion *r; |
983 | 876a350d | Michael S. Tsirkin | int i;
|
984 | c71b5b4a | Blue Swirl | pcibus_t new_addr, filtered_size; |
985 | 3b46e624 | ths | |
986 | 8a8696a3 | bellard | for(i = 0; i < PCI_NUM_REGIONS; i++) { |
987 | 0ac32c83 | bellard | r = &d->io_regions[i]; |
988 | a9688570 | Isaku Yamahata | |
989 | a9688570 | Isaku Yamahata | /* this region isn't registered */
|
990 | ec503442 | Isaku Yamahata | if (!r->size)
|
991 | a9688570 | Isaku Yamahata | continue;
|
992 | a9688570 | Isaku Yamahata | |
993 | 876a350d | Michael S. Tsirkin | new_addr = pci_bar_address(d, i, r->type, r->size); |
994 | a9688570 | Isaku Yamahata | |
995 | a0c7a97e | Isaku Yamahata | /* bridge filtering */
|
996 | a0c7a97e | Isaku Yamahata | filtered_size = r->size; |
997 | a0c7a97e | Isaku Yamahata | if (new_addr != PCI_BAR_UNMAPPED) {
|
998 | a0c7a97e | Isaku Yamahata | pci_bridge_filter(d, &new_addr, &filtered_size, r->type); |
999 | a0c7a97e | Isaku Yamahata | } |
1000 | a0c7a97e | Isaku Yamahata | |
1001 | a9688570 | Isaku Yamahata | /* This bar isn't changed */
|
1002 | a0c7a97e | Isaku Yamahata | if (new_addr == r->addr && filtered_size == r->filtered_size)
|
1003 | a9688570 | Isaku Yamahata | continue;
|
1004 | a9688570 | Isaku Yamahata | |
1005 | a9688570 | Isaku Yamahata | /* now do the real mapping */
|
1006 | a9688570 | Isaku Yamahata | if (r->addr != PCI_BAR_UNMAPPED) {
|
1007 | a9688570 | Isaku Yamahata | if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
|
1008 | a9688570 | Isaku Yamahata | int class;
|
1009 | a9688570 | Isaku Yamahata | /* NOTE: specific hack for IDE in PC case:
|
1010 | a9688570 | Isaku Yamahata | only one byte must be mapped. */
|
1011 | a9688570 | Isaku Yamahata | class = pci_get_word(d->config + PCI_CLASS_DEVICE); |
1012 | a9688570 | Isaku Yamahata | if (class == 0x0101 && r->size == 4) { |
1013 | a9688570 | Isaku Yamahata | isa_unassign_ioport(r->addr + 2, 1); |
1014 | a9688570 | Isaku Yamahata | } else {
|
1015 | a0c7a97e | Isaku Yamahata | isa_unassign_ioport(r->addr, r->filtered_size); |
1016 | 0ac32c83 | bellard | } |
1017 | a9688570 | Isaku Yamahata | } else {
|
1018 | c71b5b4a | Blue Swirl | cpu_register_physical_memory(pci_to_cpu_addr(d->bus, r->addr), |
1019 | a0c7a97e | Isaku Yamahata | r->filtered_size, |
1020 | a9688570 | Isaku Yamahata | IO_MEM_UNASSIGNED); |
1021 | a0c7a97e | Isaku Yamahata | qemu_unregister_coalesced_mmio(r->addr, r->filtered_size); |
1022 | 0ac32c83 | bellard | } |
1023 | 0ac32c83 | bellard | } |
1024 | a9688570 | Isaku Yamahata | r->addr = new_addr; |
1025 | a0c7a97e | Isaku Yamahata | r->filtered_size = filtered_size; |
1026 | a9688570 | Isaku Yamahata | if (r->addr != PCI_BAR_UNMAPPED) {
|
1027 | a0c7a97e | Isaku Yamahata | /*
|
1028 | a0c7a97e | Isaku Yamahata | * TODO: currently almost all the map funcions assumes
|
1029 | a0c7a97e | Isaku Yamahata | * filtered_size == size and addr & ~(size - 1) == addr.
|
1030 | a0c7a97e | Isaku Yamahata | * However with bridge filtering, they aren't always true.
|
1031 | a0c7a97e | Isaku Yamahata | * Teach them such cases, such that filtered_size < size and
|
1032 | a0c7a97e | Isaku Yamahata | * addr & (size - 1) != 0.
|
1033 | a0c7a97e | Isaku Yamahata | */
|
1034 | cf616802 | Blue Swirl | if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
|
1035 | cf616802 | Blue Swirl | r->map_func(d, i, r->addr, r->filtered_size, r->type); |
1036 | cf616802 | Blue Swirl | } else {
|
1037 | cf616802 | Blue Swirl | r->map_func(d, i, pci_to_cpu_addr(d->bus, r->addr), |
1038 | cf616802 | Blue Swirl | r->filtered_size, r->type); |
1039 | cf616802 | Blue Swirl | } |
1040 | a9688570 | Isaku Yamahata | } |
1041 | 0ac32c83 | bellard | } |
1042 | 0ac32c83 | bellard | } |
1043 | 0ac32c83 | bellard | |
1044 | a7b15a5c | Michael S. Tsirkin | static inline int pci_irq_disabled(PCIDevice *d) |
1045 | a7b15a5c | Michael S. Tsirkin | { |
1046 | a7b15a5c | Michael S. Tsirkin | return pci_get_word(d->config + PCI_COMMAND) & PCI_COMMAND_INTX_DISABLE;
|
1047 | a7b15a5c | Michael S. Tsirkin | } |
1048 | a7b15a5c | Michael S. Tsirkin | |
1049 | a7b15a5c | Michael S. Tsirkin | /* Called after interrupt disabled field update in config space,
|
1050 | a7b15a5c | Michael S. Tsirkin | * assert/deassert interrupts if necessary.
|
1051 | a7b15a5c | Michael S. Tsirkin | * Gets original interrupt disable bit value (before update). */
|
1052 | a7b15a5c | Michael S. Tsirkin | static void pci_update_irq_disabled(PCIDevice *d, int was_irq_disabled) |
1053 | a7b15a5c | Michael S. Tsirkin | { |
1054 | a7b15a5c | Michael S. Tsirkin | int i, disabled = pci_irq_disabled(d);
|
1055 | a7b15a5c | Michael S. Tsirkin | if (disabled == was_irq_disabled)
|
1056 | a7b15a5c | Michael S. Tsirkin | return;
|
1057 | a7b15a5c | Michael S. Tsirkin | for (i = 0; i < PCI_NUM_PINS; ++i) { |
1058 | a7b15a5c | Michael S. Tsirkin | int state = pci_irq_state(d, i);
|
1059 | a7b15a5c | Michael S. Tsirkin | pci_change_irq_level(d, i, disabled ? -state : state); |
1060 | a7b15a5c | Michael S. Tsirkin | } |
1061 | a7b15a5c | Michael S. Tsirkin | } |
1062 | a7b15a5c | Michael S. Tsirkin | |
1063 | 5fafdf24 | ths | uint32_t pci_default_read_config(PCIDevice *d, |
1064 | 0ac32c83 | bellard | uint32_t address, int len)
|
1065 | 69b91039 | bellard | { |
1066 | 5029fe12 | Isaku Yamahata | uint32_t val = 0;
|
1067 | 5029fe12 | Isaku Yamahata | assert(len == 1 || len == 2 || len == 4); |
1068 | a9f49946 | Isaku Yamahata | len = MIN(len, pci_config_size(d) - address); |
1069 | 5029fe12 | Isaku Yamahata | memcpy(&val, d->config + address, len); |
1070 | 5029fe12 | Isaku Yamahata | return le32_to_cpu(val);
|
1071 | 0ac32c83 | bellard | } |
1072 | 0ac32c83 | bellard | |
1073 | b7ee1603 | Michael S. Tsirkin | void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l) |
1074 | 0ac32c83 | bellard | { |
1075 | a7b15a5c | Michael S. Tsirkin | int i, was_irq_disabled = pci_irq_disabled(d);
|
1076 | a9f49946 | Isaku Yamahata | uint32_t config_size = pci_config_size(d); |
1077 | 0ac32c83 | bellard | |
1078 | 91011d4f | Stefan Weil | for (i = 0; i < l && addr + i < config_size; val >>= 8, ++i) { |
1079 | 91011d4f | Stefan Weil | uint8_t wmask = d->wmask[addr + i]; |
1080 | 92ba5f51 | Isaku Yamahata | uint8_t w1cmask = d->w1cmask[addr + i]; |
1081 | 92ba5f51 | Isaku Yamahata | assert(!(wmask & w1cmask)); |
1082 | 91011d4f | Stefan Weil | d->config[addr + i] = (d->config[addr + i] & ~wmask) | (val & wmask); |
1083 | 92ba5f51 | Isaku Yamahata | d->config[addr + i] &= ~(val & w1cmask); /* W1C: Write 1 to Clear */
|
1084 | 0ac32c83 | bellard | } |
1085 | 260c0cd3 | Isaku Yamahata | if (ranges_overlap(addr, l, PCI_BASE_ADDRESS_0, 24) || |
1086 | edb00035 | Isaku Yamahata | ranges_overlap(addr, l, PCI_ROM_ADDRESS, 4) ||
|
1087 | edb00035 | Isaku Yamahata | ranges_overlap(addr, l, PCI_ROM_ADDRESS1, 4) ||
|
1088 | 260c0cd3 | Isaku Yamahata | range_covers_byte(addr, l, PCI_COMMAND)) |
1089 | 0ac32c83 | bellard | pci_update_mappings(d); |
1090 | a7b15a5c | Michael S. Tsirkin | |
1091 | a7b15a5c | Michael S. Tsirkin | if (range_covers_byte(addr, l, PCI_COMMAND))
|
1092 | a7b15a5c | Michael S. Tsirkin | pci_update_irq_disabled(d, was_irq_disabled); |
1093 | 69b91039 | bellard | } |
1094 | 69b91039 | bellard | |
1095 | 502a5395 | pbrook | /***********************************************************/
|
1096 | 502a5395 | pbrook | /* generic PCI irq support */
|
1097 | 30468f78 | bellard | |
1098 | 502a5395 | pbrook | /* 0 <= irq_num <= 3. level must be 0 or 1 */
|
1099 | d537cf6c | pbrook | static void pci_set_irq(void *opaque, int irq_num, int level) |
1100 | 69b91039 | bellard | { |
1101 | a60380a5 | Juan Quintela | PCIDevice *pci_dev = opaque; |
1102 | 80b3ada7 | pbrook | int change;
|
1103 | 3b46e624 | ths | |
1104 | d036bb21 | Michael S. Tsirkin | change = level - pci_irq_state(pci_dev, irq_num); |
1105 | 80b3ada7 | pbrook | if (!change)
|
1106 | 80b3ada7 | pbrook | return;
|
1107 | d2b59317 | pbrook | |
1108 | d036bb21 | Michael S. Tsirkin | pci_set_irq_state(pci_dev, irq_num, level); |
1109 | f9bf77dd | Michael S. Tsirkin | pci_update_irq_status(pci_dev); |
1110 | a7b15a5c | Michael S. Tsirkin | if (pci_irq_disabled(pci_dev))
|
1111 | a7b15a5c | Michael S. Tsirkin | return;
|
1112 | d036bb21 | Michael S. Tsirkin | pci_change_irq_level(pci_dev, irq_num, change); |
1113 | 69b91039 | bellard | } |
1114 | 69b91039 | bellard | |
1115 | 502a5395 | pbrook | /***********************************************************/
|
1116 | 502a5395 | pbrook | /* monitor info on PCI */
|
1117 | 0ac32c83 | bellard | |
1118 | 6650ee6d | pbrook | typedef struct { |
1119 | 6650ee6d | pbrook | uint16_t class; |
1120 | 6650ee6d | pbrook | const char *desc; |
1121 | 5e0259e7 | Gleb Natapov | const char *fw_name; |
1122 | 5e0259e7 | Gleb Natapov | uint16_t fw_ign_bits; |
1123 | 6650ee6d | pbrook | } pci_class_desc; |
1124 | 6650ee6d | pbrook | |
1125 | 09bc878a | blueswir1 | static const pci_class_desc pci_class_descriptions[] = |
1126 | 6650ee6d | pbrook | { |
1127 | 5e0259e7 | Gleb Natapov | { 0x0001, "VGA controller", "display"}, |
1128 | 5e0259e7 | Gleb Natapov | { 0x0100, "SCSI controller", "scsi"}, |
1129 | 5e0259e7 | Gleb Natapov | { 0x0101, "IDE controller", "ide"}, |
1130 | 5e0259e7 | Gleb Natapov | { 0x0102, "Floppy controller", "fdc"}, |
1131 | 5e0259e7 | Gleb Natapov | { 0x0103, "IPI controller", "ipi"}, |
1132 | 5e0259e7 | Gleb Natapov | { 0x0104, "RAID controller", "raid"}, |
1133 | dcb5b19a | ths | { 0x0106, "SATA controller"}, |
1134 | dcb5b19a | ths | { 0x0107, "SAS controller"}, |
1135 | dcb5b19a | ths | { 0x0180, "Storage controller"}, |
1136 | 5e0259e7 | Gleb Natapov | { 0x0200, "Ethernet controller", "ethernet"}, |
1137 | 5e0259e7 | Gleb Natapov | { 0x0201, "Token Ring controller", "token-ring"}, |
1138 | 5e0259e7 | Gleb Natapov | { 0x0202, "FDDI controller", "fddi"}, |
1139 | 5e0259e7 | Gleb Natapov | { 0x0203, "ATM controller", "atm"}, |
1140 | dcb5b19a | ths | { 0x0280, "Network controller"}, |
1141 | 5e0259e7 | Gleb Natapov | { 0x0300, "VGA controller", "display", 0x00ff}, |
1142 | dcb5b19a | ths | { 0x0301, "XGA controller"}, |
1143 | dcb5b19a | ths | { 0x0302, "3D controller"}, |
1144 | dcb5b19a | ths | { 0x0380, "Display controller"}, |
1145 | 5e0259e7 | Gleb Natapov | { 0x0400, "Video controller", "video"}, |
1146 | 5e0259e7 | Gleb Natapov | { 0x0401, "Audio controller", "sound"}, |
1147 | dcb5b19a | ths | { 0x0402, "Phone"}, |
1148 | dcb5b19a | ths | { 0x0480, "Multimedia controller"}, |
1149 | 5e0259e7 | Gleb Natapov | { 0x0500, "RAM controller", "memory"}, |
1150 | 5e0259e7 | Gleb Natapov | { 0x0501, "Flash controller", "flash"}, |
1151 | dcb5b19a | ths | { 0x0580, "Memory controller"}, |
1152 | 5e0259e7 | Gleb Natapov | { 0x0600, "Host bridge", "host"}, |
1153 | 5e0259e7 | Gleb Natapov | { 0x0601, "ISA bridge", "isa"}, |
1154 | 5e0259e7 | Gleb Natapov | { 0x0602, "EISA bridge", "eisa"}, |
1155 | 5e0259e7 | Gleb Natapov | { 0x0603, "MC bridge", "mca"}, |
1156 | 5e0259e7 | Gleb Natapov | { 0x0604, "PCI bridge", "pci"}, |
1157 | 5e0259e7 | Gleb Natapov | { 0x0605, "PCMCIA bridge", "pcmcia"}, |
1158 | 5e0259e7 | Gleb Natapov | { 0x0606, "NUBUS bridge", "nubus"}, |
1159 | 5e0259e7 | Gleb Natapov | { 0x0607, "CARDBUS bridge", "cardbus"}, |
1160 | dcb5b19a | ths | { 0x0608, "RACEWAY bridge"}, |
1161 | dcb5b19a | ths | { 0x0680, "Bridge"}, |
1162 | 5e0259e7 | Gleb Natapov | { 0x0700, "Serial port", "serial"}, |
1163 | 5e0259e7 | Gleb Natapov | { 0x0701, "Parallel port", "parallel"}, |
1164 | 5e0259e7 | Gleb Natapov | { 0x0800, "Interrupt controller", "interrupt-controller"}, |
1165 | 5e0259e7 | Gleb Natapov | { 0x0801, "DMA controller", "dma-controller"}, |
1166 | 5e0259e7 | Gleb Natapov | { 0x0802, "Timer", "timer"}, |
1167 | 5e0259e7 | Gleb Natapov | { 0x0803, "RTC", "rtc"}, |
1168 | 5e0259e7 | Gleb Natapov | { 0x0900, "Keyboard", "keyboard"}, |
1169 | 5e0259e7 | Gleb Natapov | { 0x0901, "Pen", "pen"}, |
1170 | 5e0259e7 | Gleb Natapov | { 0x0902, "Mouse", "mouse"}, |
1171 | 5e0259e7 | Gleb Natapov | { 0x0A00, "Dock station", "dock", 0x00ff}, |
1172 | 5e0259e7 | Gleb Natapov | { 0x0B00, "i386 cpu", "cpu", 0x00ff}, |
1173 | 5e0259e7 | Gleb Natapov | { 0x0c00, "Fireware contorller", "fireware"}, |
1174 | 5e0259e7 | Gleb Natapov | { 0x0c01, "Access bus controller", "access-bus"}, |
1175 | 5e0259e7 | Gleb Natapov | { 0x0c02, "SSA controller", "ssa"}, |
1176 | 5e0259e7 | Gleb Natapov | { 0x0c03, "USB controller", "usb"}, |
1177 | 5e0259e7 | Gleb Natapov | { 0x0c04, "Fibre channel controller", "fibre-channel"}, |
1178 | 6650ee6d | pbrook | { 0, NULL} |
1179 | 6650ee6d | pbrook | }; |
1180 | 6650ee6d | pbrook | |
1181 | 163c8a59 | Luiz Capitulino | static void pci_for_each_device_under_bus(PCIBus *bus, |
1182 | 163c8a59 | Luiz Capitulino | void (*fn)(PCIBus *b, PCIDevice *d))
|
1183 | 30468f78 | bellard | { |
1184 | 163c8a59 | Luiz Capitulino | PCIDevice *d; |
1185 | 163c8a59 | Luiz Capitulino | int devfn;
|
1186 | 30468f78 | bellard | |
1187 | 163c8a59 | Luiz Capitulino | for(devfn = 0; devfn < ARRAY_SIZE(bus->devices); devfn++) { |
1188 | 163c8a59 | Luiz Capitulino | d = bus->devices[devfn]; |
1189 | 163c8a59 | Luiz Capitulino | if (d) {
|
1190 | 163c8a59 | Luiz Capitulino | fn(bus, d); |
1191 | 163c8a59 | Luiz Capitulino | } |
1192 | 163c8a59 | Luiz Capitulino | } |
1193 | 163c8a59 | Luiz Capitulino | } |
1194 | 163c8a59 | Luiz Capitulino | |
1195 | 163c8a59 | Luiz Capitulino | void pci_for_each_device(PCIBus *bus, int bus_num, |
1196 | 163c8a59 | Luiz Capitulino | void (*fn)(PCIBus *b, PCIDevice *d))
|
1197 | 163c8a59 | Luiz Capitulino | { |
1198 | 163c8a59 | Luiz Capitulino | bus = pci_find_bus(bus, bus_num); |
1199 | 163c8a59 | Luiz Capitulino | |
1200 | 163c8a59 | Luiz Capitulino | if (bus) {
|
1201 | 163c8a59 | Luiz Capitulino | pci_for_each_device_under_bus(bus, fn); |
1202 | 163c8a59 | Luiz Capitulino | } |
1203 | 163c8a59 | Luiz Capitulino | } |
1204 | 163c8a59 | Luiz Capitulino | |
1205 | 163c8a59 | Luiz Capitulino | static void pci_device_print(Monitor *mon, QDict *device) |
1206 | 163c8a59 | Luiz Capitulino | { |
1207 | 163c8a59 | Luiz Capitulino | QDict *qdict; |
1208 | 163c8a59 | Luiz Capitulino | QListEntry *entry; |
1209 | 163c8a59 | Luiz Capitulino | uint64_t addr, size; |
1210 | 163c8a59 | Luiz Capitulino | |
1211 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, " Bus %2" PRId64 ", ", qdict_get_int(device, "bus")); |
1212 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n", |
1213 | 163c8a59 | Luiz Capitulino | qdict_get_int(device, "slot"),
|
1214 | 163c8a59 | Luiz Capitulino | qdict_get_int(device, "function"));
|
1215 | 376253ec | aliguori | monitor_printf(mon, " ");
|
1216 | 163c8a59 | Luiz Capitulino | |
1217 | 163c8a59 | Luiz Capitulino | qdict = qdict_get_qdict(device, "class_info");
|
1218 | 163c8a59 | Luiz Capitulino | if (qdict_haskey(qdict, "desc")) { |
1219 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, "%s", qdict_get_str(qdict, "desc")); |
1220 | 6650ee6d | pbrook | } else {
|
1221 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, "Class %04" PRId64, qdict_get_int(qdict, "class")); |
1222 | 72cc6cfe | bellard | } |
1223 | 30468f78 | bellard | |
1224 | 163c8a59 | Luiz Capitulino | qdict = qdict_get_qdict(device, "id");
|
1225 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n", |
1226 | 163c8a59 | Luiz Capitulino | qdict_get_int(qdict, "device"),
|
1227 | 163c8a59 | Luiz Capitulino | qdict_get_int(qdict, "vendor"));
|
1228 | 163c8a59 | Luiz Capitulino | |
1229 | 163c8a59 | Luiz Capitulino | if (qdict_haskey(device, "irq")) { |
1230 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, " IRQ %" PRId64 ".\n", |
1231 | 163c8a59 | Luiz Capitulino | qdict_get_int(device, "irq"));
|
1232 | 30468f78 | bellard | } |
1233 | b4dccd8d | Isaku Yamahata | |
1234 | 163c8a59 | Luiz Capitulino | if (qdict_haskey(device, "pci_bridge")) { |
1235 | 163c8a59 | Luiz Capitulino | QDict *info; |
1236 | 163c8a59 | Luiz Capitulino | |
1237 | 163c8a59 | Luiz Capitulino | qdict = qdict_get_qdict(device, "pci_bridge");
|
1238 | 163c8a59 | Luiz Capitulino | |
1239 | 163c8a59 | Luiz Capitulino | info = qdict_get_qdict(qdict, "bus");
|
1240 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, " BUS %" PRId64 ".\n", |
1241 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "number"));
|
1242 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, " secondary bus %" PRId64 ".\n", |
1243 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "secondary"));
|
1244 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, " subordinate bus %" PRId64 ".\n", |
1245 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "subordinate"));
|
1246 | b4dccd8d | Isaku Yamahata | |
1247 | 163c8a59 | Luiz Capitulino | info = qdict_get_qdict(qdict, "io_range");
|
1248 | b4dccd8d | Isaku Yamahata | monitor_printf(mon, " IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n", |
1249 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "base"),
|
1250 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "limit"));
|
1251 | b4dccd8d | Isaku Yamahata | |
1252 | 163c8a59 | Luiz Capitulino | info = qdict_get_qdict(qdict, "memory_range");
|
1253 | b4dccd8d | Isaku Yamahata | monitor_printf(mon, |
1254 | b4dccd8d | Isaku Yamahata | " memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n", |
1255 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "base"),
|
1256 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "limit"));
|
1257 | b4dccd8d | Isaku Yamahata | |
1258 | 163c8a59 | Luiz Capitulino | info = qdict_get_qdict(qdict, "prefetchable_range");
|
1259 | b4dccd8d | Isaku Yamahata | monitor_printf(mon, " prefetchable memory range "
|
1260 | 163c8a59 | Luiz Capitulino | "[0x%08"PRIx64", 0x%08"PRIx64"]\n", |
1261 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "base"),
|
1262 | 163c8a59 | Luiz Capitulino | qdict_get_int(info, "limit"));
|
1263 | 80b3ada7 | pbrook | } |
1264 | 14421258 | Isaku Yamahata | |
1265 | 163c8a59 | Luiz Capitulino | QLIST_FOREACH_ENTRY(qdict_get_qlist(device, "regions"), entry) {
|
1266 | 163c8a59 | Luiz Capitulino | qdict = qobject_to_qdict(qlist_entry_obj(entry)); |
1267 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, " BAR%d: ", (int) qdict_get_int(qdict, "bar")); |
1268 | 163c8a59 | Luiz Capitulino | |
1269 | 163c8a59 | Luiz Capitulino | addr = qdict_get_int(qdict, "address");
|
1270 | 163c8a59 | Luiz Capitulino | size = qdict_get_int(qdict, "size");
|
1271 | 163c8a59 | Luiz Capitulino | |
1272 | 163c8a59 | Luiz Capitulino | if (!strcmp(qdict_get_str(qdict, "type"), "io")) { |
1273 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, "I/O at 0x%04"FMT_PCIBUS
|
1274 | 163c8a59 | Luiz Capitulino | " [0x%04"FMT_PCIBUS"].\n", |
1275 | 163c8a59 | Luiz Capitulino | addr, addr + size - 1);
|
1276 | 163c8a59 | Luiz Capitulino | } else {
|
1277 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, "%d bit%s memory at 0x%08"FMT_PCIBUS
|
1278 | 89e8b13c | Isaku Yamahata | " [0x%08"FMT_PCIBUS"].\n", |
1279 | 163c8a59 | Luiz Capitulino | qdict_get_bool(qdict, "mem_type_64") ? 64 : 32, |
1280 | 163c8a59 | Luiz Capitulino | qdict_get_bool(qdict, "prefetch") ?
|
1281 | 163c8a59 | Luiz Capitulino | " prefetchable" : "", addr, addr + size - 1); |
1282 | 502a5395 | pbrook | } |
1283 | 77d4bc34 | bellard | } |
1284 | 163c8a59 | Luiz Capitulino | |
1285 | 163c8a59 | Luiz Capitulino | monitor_printf(mon, " id \"%s\"\n", qdict_get_str(device, "qdev_id")); |
1286 | 163c8a59 | Luiz Capitulino | |
1287 | d5e4acf7 | Luiz Capitulino | if (qdict_haskey(device, "pci_bridge")) { |
1288 | d5e4acf7 | Luiz Capitulino | qdict = qdict_get_qdict(device, "pci_bridge");
|
1289 | d5e4acf7 | Luiz Capitulino | if (qdict_haskey(qdict, "devices")) { |
1290 | d5e4acf7 | Luiz Capitulino | QListEntry *dev; |
1291 | d5e4acf7 | Luiz Capitulino | QLIST_FOREACH_ENTRY(qdict_get_qlist(qdict, "devices"), dev) {
|
1292 | d5e4acf7 | Luiz Capitulino | pci_device_print(mon, qobject_to_qdict(qlist_entry_obj(dev))); |
1293 | d5e4acf7 | Luiz Capitulino | } |
1294 | d5e4acf7 | Luiz Capitulino | } |
1295 | d5e4acf7 | Luiz Capitulino | } |
1296 | 163c8a59 | Luiz Capitulino | } |
1297 | 163c8a59 | Luiz Capitulino | |
1298 | 163c8a59 | Luiz Capitulino | void do_pci_info_print(Monitor *mon, const QObject *data) |
1299 | 163c8a59 | Luiz Capitulino | { |
1300 | 163c8a59 | Luiz Capitulino | QListEntry *bus, *dev; |
1301 | 163c8a59 | Luiz Capitulino | |
1302 | 163c8a59 | Luiz Capitulino | QLIST_FOREACH_ENTRY(qobject_to_qlist(data), bus) { |
1303 | 163c8a59 | Luiz Capitulino | QDict *qdict = qobject_to_qdict(qlist_entry_obj(bus)); |
1304 | 163c8a59 | Luiz Capitulino | QLIST_FOREACH_ENTRY(qdict_get_qlist(qdict, "devices"), dev) {
|
1305 | 163c8a59 | Luiz Capitulino | pci_device_print(mon, qobject_to_qdict(qlist_entry_obj(dev))); |
1306 | 163c8a59 | Luiz Capitulino | } |
1307 | 80b3ada7 | pbrook | } |
1308 | 384d8876 | bellard | } |
1309 | 384d8876 | bellard | |
1310 | 163c8a59 | Luiz Capitulino | static QObject *pci_get_dev_class(const PCIDevice *dev) |
1311 | 163c8a59 | Luiz Capitulino | { |
1312 | 163c8a59 | Luiz Capitulino | int class;
|
1313 | 163c8a59 | Luiz Capitulino | const pci_class_desc *desc;
|
1314 | 163c8a59 | Luiz Capitulino | |
1315 | 163c8a59 | Luiz Capitulino | class = pci_get_word(dev->config + PCI_CLASS_DEVICE); |
1316 | 163c8a59 | Luiz Capitulino | desc = pci_class_descriptions; |
1317 | 163c8a59 | Luiz Capitulino | while (desc->desc && class != desc->class)
|
1318 | 163c8a59 | Luiz Capitulino | desc++; |
1319 | 163c8a59 | Luiz Capitulino | |
1320 | 163c8a59 | Luiz Capitulino | if (desc->desc) {
|
1321 | 163c8a59 | Luiz Capitulino | return qobject_from_jsonf("{ 'desc': %s, 'class': %d }", |
1322 | 163c8a59 | Luiz Capitulino | desc->desc, class); |
1323 | 163c8a59 | Luiz Capitulino | } else {
|
1324 | 163c8a59 | Luiz Capitulino | return qobject_from_jsonf("{ 'class': %d }", class); |
1325 | 163c8a59 | Luiz Capitulino | } |
1326 | 163c8a59 | Luiz Capitulino | } |
1327 | 163c8a59 | Luiz Capitulino | |
1328 | 163c8a59 | Luiz Capitulino | static QObject *pci_get_dev_id(const PCIDevice *dev) |
1329 | 163c8a59 | Luiz Capitulino | { |
1330 | 163c8a59 | Luiz Capitulino | return qobject_from_jsonf("{ 'device': %d, 'vendor': %d }", |
1331 | 163c8a59 | Luiz Capitulino | pci_get_word(dev->config + PCI_VENDOR_ID), |
1332 | 163c8a59 | Luiz Capitulino | pci_get_word(dev->config + PCI_DEVICE_ID)); |
1333 | 163c8a59 | Luiz Capitulino | } |
1334 | 163c8a59 | Luiz Capitulino | |
1335 | 163c8a59 | Luiz Capitulino | static QObject *pci_get_regions_list(const PCIDevice *dev) |
1336 | 163c8a59 | Luiz Capitulino | { |
1337 | 163c8a59 | Luiz Capitulino | int i;
|
1338 | 163c8a59 | Luiz Capitulino | QList *regions_list; |
1339 | 163c8a59 | Luiz Capitulino | |
1340 | 163c8a59 | Luiz Capitulino | regions_list = qlist_new(); |
1341 | 163c8a59 | Luiz Capitulino | |
1342 | 163c8a59 | Luiz Capitulino | for (i = 0; i < PCI_NUM_REGIONS; i++) { |
1343 | 163c8a59 | Luiz Capitulino | QObject *obj; |
1344 | 163c8a59 | Luiz Capitulino | const PCIIORegion *r = &dev->io_regions[i];
|
1345 | 163c8a59 | Luiz Capitulino | |
1346 | 163c8a59 | Luiz Capitulino | if (!r->size) {
|
1347 | 163c8a59 | Luiz Capitulino | continue;
|
1348 | 163c8a59 | Luiz Capitulino | } |
1349 | 163c8a59 | Luiz Capitulino | |
1350 | 163c8a59 | Luiz Capitulino | if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
|
1351 | 163c8a59 | Luiz Capitulino | obj = qobject_from_jsonf("{ 'bar': %d, 'type': 'io', "
|
1352 | 163c8a59 | Luiz Capitulino | "'address': %" PRId64 ", " |
1353 | 163c8a59 | Luiz Capitulino | "'size': %" PRId64 " }", |
1354 | 163c8a59 | Luiz Capitulino | i, r->addr, r->size); |
1355 | 163c8a59 | Luiz Capitulino | } else {
|
1356 | 163c8a59 | Luiz Capitulino | int mem_type_64 = r->type & PCI_BASE_ADDRESS_MEM_TYPE_64;
|
1357 | 163c8a59 | Luiz Capitulino | |
1358 | 163c8a59 | Luiz Capitulino | obj = qobject_from_jsonf("{ 'bar': %d, 'type': 'memory', "
|
1359 | 163c8a59 | Luiz Capitulino | "'mem_type_64': %i, 'prefetch': %i, "
|
1360 | 163c8a59 | Luiz Capitulino | "'address': %" PRId64 ", " |
1361 | 163c8a59 | Luiz Capitulino | "'size': %" PRId64 " }", |
1362 | 163c8a59 | Luiz Capitulino | i, mem_type_64, |
1363 | 163c8a59 | Luiz Capitulino | r->type & PCI_BASE_ADDRESS_MEM_PREFETCH, |
1364 | 163c8a59 | Luiz Capitulino | r->addr, r->size); |
1365 | 163c8a59 | Luiz Capitulino | } |
1366 | 163c8a59 | Luiz Capitulino | |
1367 | 163c8a59 | Luiz Capitulino | qlist_append_obj(regions_list, obj); |
1368 | 163c8a59 | Luiz Capitulino | } |
1369 | 163c8a59 | Luiz Capitulino | |
1370 | 163c8a59 | Luiz Capitulino | return QOBJECT(regions_list);
|
1371 | 163c8a59 | Luiz Capitulino | } |
1372 | 163c8a59 | Luiz Capitulino | |
1373 | d5e4acf7 | Luiz Capitulino | static QObject *pci_get_devices_list(PCIBus *bus, int bus_num); |
1374 | d5e4acf7 | Luiz Capitulino | |
1375 | d5e4acf7 | Luiz Capitulino | static QObject *pci_get_dev_dict(PCIDevice *dev, PCIBus *bus, int bus_num) |
1376 | 163c8a59 | Luiz Capitulino | { |
1377 | b5937f29 | Isaku Yamahata | uint8_t type; |
1378 | 163c8a59 | Luiz Capitulino | QObject *obj; |
1379 | 163c8a59 | Luiz Capitulino | |
1380 | 163c8a59 | Luiz Capitulino | obj = qobject_from_jsonf("{ 'bus': %d, 'slot': %d, 'function': %d," "'class_info': %p, 'id': %p, 'regions': %p," |
1381 | 163c8a59 | Luiz Capitulino | " 'qdev_id': %s }",
|
1382 | 163c8a59 | Luiz Capitulino | bus_num, |
1383 | 163c8a59 | Luiz Capitulino | PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), |
1384 | 163c8a59 | Luiz Capitulino | pci_get_dev_class(dev), pci_get_dev_id(dev), |
1385 | 163c8a59 | Luiz Capitulino | pci_get_regions_list(dev), |
1386 | 163c8a59 | Luiz Capitulino | dev->qdev.id ? dev->qdev.id : "");
|
1387 | 163c8a59 | Luiz Capitulino | |
1388 | 163c8a59 | Luiz Capitulino | if (dev->config[PCI_INTERRUPT_PIN] != 0) { |
1389 | 163c8a59 | Luiz Capitulino | QDict *qdict = qobject_to_qdict(obj); |
1390 | 163c8a59 | Luiz Capitulino | qdict_put(qdict, "irq", qint_from_int(dev->config[PCI_INTERRUPT_LINE]));
|
1391 | 163c8a59 | Luiz Capitulino | } |
1392 | 163c8a59 | Luiz Capitulino | |
1393 | b5937f29 | Isaku Yamahata | type = dev->config[PCI_HEADER_TYPE] & ~PCI_HEADER_TYPE_MULTI_FUNCTION; |
1394 | b5937f29 | Isaku Yamahata | if (type == PCI_HEADER_TYPE_BRIDGE) {
|
1395 | 163c8a59 | Luiz Capitulino | QDict *qdict; |
1396 | 163c8a59 | Luiz Capitulino | QObject *pci_bridge; |
1397 | 163c8a59 | Luiz Capitulino | |
1398 | 163c8a59 | Luiz Capitulino | pci_bridge = qobject_from_jsonf("{ 'bus': "
|
1399 | 163c8a59 | Luiz Capitulino | "{ 'number': %d, 'secondary': %d, 'subordinate': %d }, "
|
1400 | 163c8a59 | Luiz Capitulino | "'io_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, " |
1401 | 163c8a59 | Luiz Capitulino | "'memory_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, " |
1402 | 163c8a59 | Luiz Capitulino | "'prefetchable_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "} }", |
1403 | c021f8e6 | Blue Swirl | dev->config[PCI_PRIMARY_BUS], dev->config[PCI_SECONDARY_BUS], |
1404 | 163c8a59 | Luiz Capitulino | dev->config[PCI_SUBORDINATE_BUS], |
1405 | 163c8a59 | Luiz Capitulino | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO), |
1406 | 163c8a59 | Luiz Capitulino | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO), |
1407 | 163c8a59 | Luiz Capitulino | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY), |
1408 | 163c8a59 | Luiz Capitulino | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY), |
1409 | 163c8a59 | Luiz Capitulino | pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_MEMORY | |
1410 | 163c8a59 | Luiz Capitulino | PCI_BASE_ADDRESS_MEM_PREFETCH), |
1411 | 163c8a59 | Luiz Capitulino | pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY | |
1412 | 163c8a59 | Luiz Capitulino | PCI_BASE_ADDRESS_MEM_PREFETCH)); |
1413 | 163c8a59 | Luiz Capitulino | |
1414 | c021f8e6 | Blue Swirl | if (dev->config[PCI_SECONDARY_BUS] != 0) { |
1415 | c021f8e6 | Blue Swirl | PCIBus *child_bus = pci_find_bus(bus, dev->config[PCI_SECONDARY_BUS]); |
1416 | d5e4acf7 | Luiz Capitulino | |
1417 | c021f8e6 | Blue Swirl | if (child_bus) {
|
1418 | c021f8e6 | Blue Swirl | qdict = qobject_to_qdict(pci_bridge); |
1419 | c021f8e6 | Blue Swirl | qdict_put_obj(qdict, "devices",
|
1420 | c021f8e6 | Blue Swirl | pci_get_devices_list(child_bus, |
1421 | c021f8e6 | Blue Swirl | dev->config[PCI_SECONDARY_BUS])); |
1422 | c021f8e6 | Blue Swirl | } |
1423 | c021f8e6 | Blue Swirl | } |
1424 | 163c8a59 | Luiz Capitulino | qdict = qobject_to_qdict(obj); |
1425 | 163c8a59 | Luiz Capitulino | qdict_put_obj(qdict, "pci_bridge", pci_bridge);
|
1426 | 163c8a59 | Luiz Capitulino | } |
1427 | 163c8a59 | Luiz Capitulino | |
1428 | 163c8a59 | Luiz Capitulino | return obj;
|
1429 | 163c8a59 | Luiz Capitulino | } |
1430 | 163c8a59 | Luiz Capitulino | |
1431 | 163c8a59 | Luiz Capitulino | static QObject *pci_get_devices_list(PCIBus *bus, int bus_num) |
1432 | 384d8876 | bellard | { |
1433 | 502a5395 | pbrook | int devfn;
|
1434 | 163c8a59 | Luiz Capitulino | PCIDevice *dev; |
1435 | 163c8a59 | Luiz Capitulino | QList *dev_list; |
1436 | 3b46e624 | ths | |
1437 | 163c8a59 | Luiz Capitulino | dev_list = qlist_new(); |
1438 | 163c8a59 | Luiz Capitulino | |
1439 | 163c8a59 | Luiz Capitulino | for (devfn = 0; devfn < ARRAY_SIZE(bus->devices); devfn++) { |
1440 | 163c8a59 | Luiz Capitulino | dev = bus->devices[devfn]; |
1441 | 163c8a59 | Luiz Capitulino | if (dev) {
|
1442 | d5e4acf7 | Luiz Capitulino | qlist_append_obj(dev_list, pci_get_dev_dict(dev, bus, bus_num)); |
1443 | 163c8a59 | Luiz Capitulino | } |
1444 | 1074df4f | Isaku Yamahata | } |
1445 | 163c8a59 | Luiz Capitulino | |
1446 | 163c8a59 | Luiz Capitulino | return QOBJECT(dev_list);
|
1447 | 1074df4f | Isaku Yamahata | } |
1448 | 1074df4f | Isaku Yamahata | |
1449 | 163c8a59 | Luiz Capitulino | static QObject *pci_get_bus_dict(PCIBus *bus, int bus_num) |
1450 | 1074df4f | Isaku Yamahata | { |
1451 | e822a52a | Isaku Yamahata | bus = pci_find_bus(bus, bus_num); |
1452 | 502a5395 | pbrook | if (bus) {
|
1453 | 163c8a59 | Luiz Capitulino | return qobject_from_jsonf("{ 'bus': %d, 'devices': %p }", |
1454 | 163c8a59 | Luiz Capitulino | bus_num, pci_get_devices_list(bus, bus_num)); |
1455 | f2aa58c6 | bellard | } |
1456 | 163c8a59 | Luiz Capitulino | |
1457 | 163c8a59 | Luiz Capitulino | return NULL; |
1458 | f2aa58c6 | bellard | } |
1459 | f2aa58c6 | bellard | |
1460 | 163c8a59 | Luiz Capitulino | void do_pci_info(Monitor *mon, QObject **ret_data)
|
1461 | f2aa58c6 | bellard | { |
1462 | 163c8a59 | Luiz Capitulino | QList *bus_list; |
1463 | e822a52a | Isaku Yamahata | struct PCIHostBus *host;
|
1464 | 163c8a59 | Luiz Capitulino | |
1465 | 163c8a59 | Luiz Capitulino | bus_list = qlist_new(); |
1466 | 163c8a59 | Luiz Capitulino | |
1467 | e822a52a | Isaku Yamahata | QLIST_FOREACH(host, &host_buses, next) { |
1468 | 163c8a59 | Luiz Capitulino | QObject *obj = pci_get_bus_dict(host->bus, 0);
|
1469 | 163c8a59 | Luiz Capitulino | if (obj) {
|
1470 | 163c8a59 | Luiz Capitulino | qlist_append_obj(bus_list, obj); |
1471 | 163c8a59 | Luiz Capitulino | } |
1472 | e822a52a | Isaku Yamahata | } |
1473 | 163c8a59 | Luiz Capitulino | |
1474 | 163c8a59 | Luiz Capitulino | *ret_data = QOBJECT(bus_list); |
1475 | 77d4bc34 | bellard | } |
1476 | a41b2ff2 | pbrook | |
1477 | cb457d76 | aliguori | static const char * const pci_nic_models[] = { |
1478 | cb457d76 | aliguori | "ne2k_pci",
|
1479 | cb457d76 | aliguori | "i82551",
|
1480 | cb457d76 | aliguori | "i82557b",
|
1481 | cb457d76 | aliguori | "i82559er",
|
1482 | cb457d76 | aliguori | "rtl8139",
|
1483 | cb457d76 | aliguori | "e1000",
|
1484 | cb457d76 | aliguori | "pcnet",
|
1485 | cb457d76 | aliguori | "virtio",
|
1486 | cb457d76 | aliguori | NULL
|
1487 | cb457d76 | aliguori | }; |
1488 | cb457d76 | aliguori | |
1489 | 9d07d757 | Paul Brook | static const char * const pci_nic_names[] = { |
1490 | 9d07d757 | Paul Brook | "ne2k_pci",
|
1491 | 9d07d757 | Paul Brook | "i82551",
|
1492 | 9d07d757 | Paul Brook | "i82557b",
|
1493 | 9d07d757 | Paul Brook | "i82559er",
|
1494 | 9d07d757 | Paul Brook | "rtl8139",
|
1495 | 9d07d757 | Paul Brook | "e1000",
|
1496 | 9d07d757 | Paul Brook | "pcnet",
|
1497 | 53c25cea | Paul Brook | "virtio-net-pci",
|
1498 | cb457d76 | aliguori | NULL
|
1499 | cb457d76 | aliguori | }; |
1500 | cb457d76 | aliguori | |
1501 | a41b2ff2 | pbrook | /* Initialize a PCI NIC. */
|
1502 | 33e66b86 | Markus Armbruster | /* FIXME callers should check for failure, but don't */
|
1503 | 5607c388 | Markus Armbruster | PCIDevice *pci_nic_init(NICInfo *nd, const char *default_model, |
1504 | 5607c388 | Markus Armbruster | const char *default_devaddr) |
1505 | a41b2ff2 | pbrook | { |
1506 | 5607c388 | Markus Armbruster | const char *devaddr = nd->devaddr ? nd->devaddr : default_devaddr; |
1507 | 07caea31 | Markus Armbruster | PCIBus *bus; |
1508 | 07caea31 | Markus Armbruster | int devfn;
|
1509 | 5607c388 | Markus Armbruster | PCIDevice *pci_dev; |
1510 | 9d07d757 | Paul Brook | DeviceState *dev; |
1511 | cb457d76 | aliguori | int i;
|
1512 | cb457d76 | aliguori | |
1513 | 07caea31 | Markus Armbruster | i = qemu_find_nic_model(nd, pci_nic_models, default_model); |
1514 | 07caea31 | Markus Armbruster | if (i < 0) |
1515 | 07caea31 | Markus Armbruster | return NULL; |
1516 | 07caea31 | Markus Armbruster | |
1517 | 07caea31 | Markus Armbruster | bus = pci_get_bus_devfn(&devfn, devaddr); |
1518 | 07caea31 | Markus Armbruster | if (!bus) {
|
1519 | 1ecda02b | Markus Armbruster | error_report("Invalid PCI device address %s for device %s",
|
1520 | 1ecda02b | Markus Armbruster | devaddr, pci_nic_names[i]); |
1521 | 07caea31 | Markus Armbruster | return NULL; |
1522 | 07caea31 | Markus Armbruster | } |
1523 | 07caea31 | Markus Armbruster | |
1524 | 499cf102 | Markus Armbruster | pci_dev = pci_create(bus, devfn, pci_nic_names[i]); |
1525 | 9ee05825 | Markus Armbruster | dev = &pci_dev->qdev; |
1526 | 1cc33683 | Gerd Hoffmann | qdev_set_nic_properties(dev, nd); |
1527 | 07caea31 | Markus Armbruster | if (qdev_init(dev) < 0) |
1528 | 07caea31 | Markus Armbruster | return NULL; |
1529 | 9ee05825 | Markus Armbruster | return pci_dev;
|
1530 | a41b2ff2 | pbrook | } |
1531 | a41b2ff2 | pbrook | |
1532 | 07caea31 | Markus Armbruster | PCIDevice *pci_nic_init_nofail(NICInfo *nd, const char *default_model, |
1533 | 07caea31 | Markus Armbruster | const char *default_devaddr) |
1534 | 07caea31 | Markus Armbruster | { |
1535 | 07caea31 | Markus Armbruster | PCIDevice *res; |
1536 | 07caea31 | Markus Armbruster | |
1537 | 07caea31 | Markus Armbruster | if (qemu_show_nic_models(nd->model, pci_nic_models))
|
1538 | 07caea31 | Markus Armbruster | exit(0);
|
1539 | 07caea31 | Markus Armbruster | |
1540 | 07caea31 | Markus Armbruster | res = pci_nic_init(nd, default_model, default_devaddr); |
1541 | 07caea31 | Markus Armbruster | if (!res)
|
1542 | 07caea31 | Markus Armbruster | exit(1);
|
1543 | 07caea31 | Markus Armbruster | return res;
|
1544 | 07caea31 | Markus Armbruster | } |
1545 | 07caea31 | Markus Armbruster | |
1546 | a0c7a97e | Isaku Yamahata | static void pci_bridge_update_mappings_fn(PCIBus *b, PCIDevice *d) |
1547 | a0c7a97e | Isaku Yamahata | { |
1548 | a0c7a97e | Isaku Yamahata | pci_update_mappings(d); |
1549 | a0c7a97e | Isaku Yamahata | } |
1550 | a0c7a97e | Isaku Yamahata | |
1551 | 783753fd | Isaku Yamahata | void pci_bridge_update_mappings(PCIBus *b)
|
1552 | a0c7a97e | Isaku Yamahata | { |
1553 | a0c7a97e | Isaku Yamahata | PCIBus *child; |
1554 | a0c7a97e | Isaku Yamahata | |
1555 | a0c7a97e | Isaku Yamahata | pci_for_each_device_under_bus(b, pci_bridge_update_mappings_fn); |
1556 | a0c7a97e | Isaku Yamahata | |
1557 | a0c7a97e | Isaku Yamahata | QLIST_FOREACH(child, &b->child, sibling) { |
1558 | a0c7a97e | Isaku Yamahata | pci_bridge_update_mappings(child); |
1559 | a0c7a97e | Isaku Yamahata | } |
1560 | a0c7a97e | Isaku Yamahata | } |
1561 | a0c7a97e | Isaku Yamahata | |
1562 | 929176c3 | Michael S. Tsirkin | /* Whether a given bus number is in range of the secondary
|
1563 | 929176c3 | Michael S. Tsirkin | * bus of the given bridge device. */
|
1564 | 929176c3 | Michael S. Tsirkin | static bool pci_secondary_bus_in_range(PCIDevice *dev, int bus_num) |
1565 | 929176c3 | Michael S. Tsirkin | { |
1566 | 929176c3 | Michael S. Tsirkin | return !(pci_get_word(dev->config + PCI_BRIDGE_CONTROL) &
|
1567 | 929176c3 | Michael S. Tsirkin | PCI_BRIDGE_CTL_BUS_RESET) /* Don't walk the bus if it's reset. */ &&
|
1568 | 929176c3 | Michael S. Tsirkin | dev->config[PCI_SECONDARY_BUS] < bus_num && |
1569 | 929176c3 | Michael S. Tsirkin | bus_num <= dev->config[PCI_SUBORDINATE_BUS]; |
1570 | 929176c3 | Michael S. Tsirkin | } |
1571 | 929176c3 | Michael S. Tsirkin | |
1572 | e822a52a | Isaku Yamahata | PCIBus *pci_find_bus(PCIBus *bus, int bus_num)
|
1573 | 3ae80618 | aliguori | { |
1574 | 470e6363 | Isaku Yamahata | PCIBus *sec; |
1575 | 3ae80618 | aliguori | |
1576 | 470e6363 | Isaku Yamahata | if (!bus) {
|
1577 | e822a52a | Isaku Yamahata | return NULL; |
1578 | 470e6363 | Isaku Yamahata | } |
1579 | 3ae80618 | aliguori | |
1580 | e822a52a | Isaku Yamahata | if (pci_bus_num(bus) == bus_num) {
|
1581 | e822a52a | Isaku Yamahata | return bus;
|
1582 | e822a52a | Isaku Yamahata | } |
1583 | e822a52a | Isaku Yamahata | |
1584 | 929176c3 | Michael S. Tsirkin | /* Consider all bus numbers in range for the host pci bridge. */
|
1585 | 929176c3 | Michael S. Tsirkin | if (bus->parent_dev &&
|
1586 | 929176c3 | Michael S. Tsirkin | !pci_secondary_bus_in_range(bus->parent_dev, bus_num)) { |
1587 | 929176c3 | Michael S. Tsirkin | return NULL; |
1588 | 929176c3 | Michael S. Tsirkin | } |
1589 | 929176c3 | Michael S. Tsirkin | |
1590 | e822a52a | Isaku Yamahata | /* try child bus */
|
1591 | 929176c3 | Michael S. Tsirkin | for (; bus; bus = sec) {
|
1592 | 929176c3 | Michael S. Tsirkin | QLIST_FOREACH(sec, &bus->child, sibling) { |
1593 | 929176c3 | Michael S. Tsirkin | assert(sec->parent_dev); |
1594 | 929176c3 | Michael S. Tsirkin | if (sec->parent_dev->config[PCI_SECONDARY_BUS] == bus_num) {
|
1595 | 929176c3 | Michael S. Tsirkin | return sec;
|
1596 | 929176c3 | Michael S. Tsirkin | } |
1597 | 929176c3 | Michael S. Tsirkin | if (pci_secondary_bus_in_range(sec->parent_dev, bus_num)) {
|
1598 | 929176c3 | Michael S. Tsirkin | break;
|
1599 | c021f8e6 | Blue Swirl | } |
1600 | e822a52a | Isaku Yamahata | } |
1601 | e822a52a | Isaku Yamahata | } |
1602 | e822a52a | Isaku Yamahata | |
1603 | e822a52a | Isaku Yamahata | return NULL; |
1604 | 3ae80618 | aliguori | } |
1605 | 3ae80618 | aliguori | |
1606 | 5256d8bf | Isaku Yamahata | PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn)
|
1607 | 3ae80618 | aliguori | { |
1608 | e822a52a | Isaku Yamahata | bus = pci_find_bus(bus, bus_num); |
1609 | 3ae80618 | aliguori | |
1610 | 3ae80618 | aliguori | if (!bus)
|
1611 | 3ae80618 | aliguori | return NULL; |
1612 | 3ae80618 | aliguori | |
1613 | 5256d8bf | Isaku Yamahata | return bus->devices[devfn];
|
1614 | 3ae80618 | aliguori | } |
1615 | 3ae80618 | aliguori | |
1616 | 81a322d4 | Gerd Hoffmann | static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base) |
1617 | 6b1b92d3 | Paul Brook | { |
1618 | 6b1b92d3 | Paul Brook | PCIDevice *pci_dev = (PCIDevice *)qdev; |
1619 | 02e2da45 | Paul Brook | PCIDeviceInfo *info = container_of(base, PCIDeviceInfo, qdev); |
1620 | 6b1b92d3 | Paul Brook | PCIBus *bus; |
1621 | ee995ffb | Gerd Hoffmann | int devfn, rc;
|
1622 | ab85ceb1 | Stefan Weil | bool is_default_rom;
|
1623 | 6b1b92d3 | Paul Brook | |
1624 | a9f49946 | Isaku Yamahata | /* initialize cap_present for pci_is_express() and pci_config_size() */
|
1625 | a9f49946 | Isaku Yamahata | if (info->is_express) {
|
1626 | a9f49946 | Isaku Yamahata | pci_dev->cap_present |= QEMU_PCI_CAP_EXPRESS; |
1627 | a9f49946 | Isaku Yamahata | } |
1628 | a9f49946 | Isaku Yamahata | |
1629 | 02e2da45 | Paul Brook | bus = FROM_QBUS(PCIBus, qdev_get_parent_bus(qdev)); |
1630 | ee6847d1 | Gerd Hoffmann | devfn = pci_dev->devfn; |
1631 | 16eaedf2 | Gerd Hoffmann | pci_dev = do_pci_register_device(pci_dev, bus, base->name, devfn, |
1632 | fb231628 | Isaku Yamahata | info->config_read, info->config_write, |
1633 | e327e323 | Isaku Yamahata | info->is_bridge); |
1634 | 09e3acc6 | Gerd Hoffmann | if (pci_dev == NULL) |
1635 | 09e3acc6 | Gerd Hoffmann | return -1; |
1636 | 180c22e1 | Gerd Hoffmann | if (qdev->hotplugged && info->no_hotplug) {
|
1637 | 180c22e1 | Gerd Hoffmann | qerror_report(QERR_DEVICE_NO_HOTPLUG, info->qdev.name); |
1638 | 180c22e1 | Gerd Hoffmann | do_pci_unregister_device(pci_dev); |
1639 | 180c22e1 | Gerd Hoffmann | return -1; |
1640 | 180c22e1 | Gerd Hoffmann | } |
1641 | ee995ffb | Gerd Hoffmann | rc = info->init(pci_dev); |
1642 | 925fe64a | Alex Williamson | if (rc != 0) { |
1643 | 925fe64a | Alex Williamson | do_pci_unregister_device(pci_dev); |
1644 | ee995ffb | Gerd Hoffmann | return rc;
|
1645 | 925fe64a | Alex Williamson | } |
1646 | 8c52c8f3 | Gerd Hoffmann | |
1647 | 8c52c8f3 | Gerd Hoffmann | /* rom loading */
|
1648 | ab85ceb1 | Stefan Weil | is_default_rom = false;
|
1649 | ab85ceb1 | Stefan Weil | if (pci_dev->romfile == NULL && info->romfile != NULL) { |
1650 | 8c52c8f3 | Gerd Hoffmann | pci_dev->romfile = qemu_strdup(info->romfile); |
1651 | ab85ceb1 | Stefan Weil | is_default_rom = true;
|
1652 | ab85ceb1 | Stefan Weil | } |
1653 | ab85ceb1 | Stefan Weil | pci_add_option_rom(pci_dev, is_default_rom); |
1654 | 8c52c8f3 | Gerd Hoffmann | |
1655 | 5beb8ad5 | Isaku Yamahata | if (bus->hotplug) {
|
1656 | e927d487 | Michael S. Tsirkin | /* Let buses differentiate between hotplug and when device is
|
1657 | e927d487 | Michael S. Tsirkin | * enabled during qemu machine creation. */
|
1658 | e927d487 | Michael S. Tsirkin | rc = bus->hotplug(bus->hotplug_qdev, pci_dev, |
1659 | e927d487 | Michael S. Tsirkin | qdev->hotplugged ? PCI_HOTPLUG_ENABLED: |
1660 | e927d487 | Michael S. Tsirkin | PCI_COLDPLUG_ENABLED); |
1661 | a213ff63 | Isaku Yamahata | if (rc != 0) { |
1662 | a213ff63 | Isaku Yamahata | int r = pci_unregister_device(&pci_dev->qdev);
|
1663 | a213ff63 | Isaku Yamahata | assert(!r); |
1664 | a213ff63 | Isaku Yamahata | return rc;
|
1665 | a213ff63 | Isaku Yamahata | } |
1666 | a213ff63 | Isaku Yamahata | } |
1667 | ee995ffb | Gerd Hoffmann | return 0; |
1668 | ee995ffb | Gerd Hoffmann | } |
1669 | ee995ffb | Gerd Hoffmann | |
1670 | ee995ffb | Gerd Hoffmann | static int pci_unplug_device(DeviceState *qdev) |
1671 | ee995ffb | Gerd Hoffmann | { |
1672 | ee995ffb | Gerd Hoffmann | PCIDevice *dev = DO_UPCAST(PCIDevice, qdev, qdev); |
1673 | 180c22e1 | Gerd Hoffmann | PCIDeviceInfo *info = container_of(qdev->info, PCIDeviceInfo, qdev); |
1674 | ee995ffb | Gerd Hoffmann | |
1675 | 180c22e1 | Gerd Hoffmann | if (info->no_hotplug) {
|
1676 | 180c22e1 | Gerd Hoffmann | qerror_report(QERR_DEVICE_NO_HOTPLUG, info->qdev.name); |
1677 | 180c22e1 | Gerd Hoffmann | return -1; |
1678 | 180c22e1 | Gerd Hoffmann | } |
1679 | e927d487 | Michael S. Tsirkin | return dev->bus->hotplug(dev->bus->hotplug_qdev, dev,
|
1680 | e927d487 | Michael S. Tsirkin | PCI_HOTPLUG_DISABLED); |
1681 | 6b1b92d3 | Paul Brook | } |
1682 | 6b1b92d3 | Paul Brook | |
1683 | 0aab0d3a | Gerd Hoffmann | void pci_qdev_register(PCIDeviceInfo *info)
|
1684 | 6b1b92d3 | Paul Brook | { |
1685 | 02e2da45 | Paul Brook | info->qdev.init = pci_qdev_init; |
1686 | ee995ffb | Gerd Hoffmann | info->qdev.unplug = pci_unplug_device; |
1687 | a36a344d | Gerd Hoffmann | info->qdev.exit = pci_unregister_device; |
1688 | 10c4c98a | Gerd Hoffmann | info->qdev.bus_info = &pci_bus_info; |
1689 | 074f2fff | Gerd Hoffmann | qdev_register(&info->qdev); |
1690 | 6b1b92d3 | Paul Brook | } |
1691 | 6b1b92d3 | Paul Brook | |
1692 | 0aab0d3a | Gerd Hoffmann | void pci_qdev_register_many(PCIDeviceInfo *info)
|
1693 | 0aab0d3a | Gerd Hoffmann | { |
1694 | 0aab0d3a | Gerd Hoffmann | while (info->qdev.name) {
|
1695 | 0aab0d3a | Gerd Hoffmann | pci_qdev_register(info); |
1696 | 0aab0d3a | Gerd Hoffmann | info++; |
1697 | 0aab0d3a | Gerd Hoffmann | } |
1698 | 0aab0d3a | Gerd Hoffmann | } |
1699 | 0aab0d3a | Gerd Hoffmann | |
1700 | 49823868 | Isaku Yamahata | PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction, |
1701 | 49823868 | Isaku Yamahata | const char *name) |
1702 | 6b1b92d3 | Paul Brook | { |
1703 | 6b1b92d3 | Paul Brook | DeviceState *dev; |
1704 | 6b1b92d3 | Paul Brook | |
1705 | 02e2da45 | Paul Brook | dev = qdev_create(&bus->qbus, name); |
1706 | a6307b08 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "addr", devfn);
|
1707 | 49823868 | Isaku Yamahata | qdev_prop_set_bit(dev, "multifunction", multifunction);
|
1708 | 71077c1c | Gerd Hoffmann | return DO_UPCAST(PCIDevice, qdev, dev);
|
1709 | 71077c1c | Gerd Hoffmann | } |
1710 | 6b1b92d3 | Paul Brook | |
1711 | 7cc050b1 | Blue Swirl | PCIDevice *pci_try_create_multifunction(PCIBus *bus, int devfn,
|
1712 | 7cc050b1 | Blue Swirl | bool multifunction,
|
1713 | 7cc050b1 | Blue Swirl | const char *name) |
1714 | 7cc050b1 | Blue Swirl | { |
1715 | 7cc050b1 | Blue Swirl | DeviceState *dev; |
1716 | 7cc050b1 | Blue Swirl | |
1717 | 7cc050b1 | Blue Swirl | dev = qdev_try_create(&bus->qbus, name); |
1718 | 7cc050b1 | Blue Swirl | if (!dev) {
|
1719 | 7cc050b1 | Blue Swirl | return NULL; |
1720 | 7cc050b1 | Blue Swirl | } |
1721 | 7cc050b1 | Blue Swirl | qdev_prop_set_uint32(dev, "addr", devfn);
|
1722 | 7cc050b1 | Blue Swirl | qdev_prop_set_bit(dev, "multifunction", multifunction);
|
1723 | 7cc050b1 | Blue Swirl | return DO_UPCAST(PCIDevice, qdev, dev);
|
1724 | 7cc050b1 | Blue Swirl | } |
1725 | 7cc050b1 | Blue Swirl | |
1726 | 49823868 | Isaku Yamahata | PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn,
|
1727 | 49823868 | Isaku Yamahata | bool multifunction,
|
1728 | 49823868 | Isaku Yamahata | const char *name) |
1729 | 71077c1c | Gerd Hoffmann | { |
1730 | 49823868 | Isaku Yamahata | PCIDevice *dev = pci_create_multifunction(bus, devfn, multifunction, name); |
1731 | e23a1b33 | Markus Armbruster | qdev_init_nofail(&dev->qdev); |
1732 | 71077c1c | Gerd Hoffmann | return dev;
|
1733 | 6b1b92d3 | Paul Brook | } |
1734 | 6f4cbd39 | Michael S. Tsirkin | |
1735 | 49823868 | Isaku Yamahata | PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name) |
1736 | 49823868 | Isaku Yamahata | { |
1737 | 49823868 | Isaku Yamahata | return pci_create_multifunction(bus, devfn, false, name); |
1738 | 49823868 | Isaku Yamahata | } |
1739 | 49823868 | Isaku Yamahata | |
1740 | 49823868 | Isaku Yamahata | PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name) |
1741 | 49823868 | Isaku Yamahata | { |
1742 | 49823868 | Isaku Yamahata | return pci_create_simple_multifunction(bus, devfn, false, name); |
1743 | 49823868 | Isaku Yamahata | } |
1744 | 49823868 | Isaku Yamahata | |
1745 | 7cc050b1 | Blue Swirl | PCIDevice *pci_try_create(PCIBus *bus, int devfn, const char *name) |
1746 | 7cc050b1 | Blue Swirl | { |
1747 | 7cc050b1 | Blue Swirl | return pci_try_create_multifunction(bus, devfn, false, name); |
1748 | 7cc050b1 | Blue Swirl | } |
1749 | 7cc050b1 | Blue Swirl | |
1750 | 6f4cbd39 | Michael S. Tsirkin | static int pci_find_space(PCIDevice *pdev, uint8_t size) |
1751 | 6f4cbd39 | Michael S. Tsirkin | { |
1752 | a9f49946 | Isaku Yamahata | int config_size = pci_config_size(pdev);
|
1753 | 6f4cbd39 | Michael S. Tsirkin | int offset = PCI_CONFIG_HEADER_SIZE;
|
1754 | 6f4cbd39 | Michael S. Tsirkin | int i;
|
1755 | a9f49946 | Isaku Yamahata | for (i = PCI_CONFIG_HEADER_SIZE; i < config_size; ++i)
|
1756 | 6f4cbd39 | Michael S. Tsirkin | if (pdev->used[i])
|
1757 | 6f4cbd39 | Michael S. Tsirkin | offset = i + 1;
|
1758 | 6f4cbd39 | Michael S. Tsirkin | else if (i - offset + 1 == size) |
1759 | 6f4cbd39 | Michael S. Tsirkin | return offset;
|
1760 | 6f4cbd39 | Michael S. Tsirkin | return 0; |
1761 | 6f4cbd39 | Michael S. Tsirkin | } |
1762 | 6f4cbd39 | Michael S. Tsirkin | |
1763 | 6f4cbd39 | Michael S. Tsirkin | static uint8_t pci_find_capability_list(PCIDevice *pdev, uint8_t cap_id,
|
1764 | 6f4cbd39 | Michael S. Tsirkin | uint8_t *prev_p) |
1765 | 6f4cbd39 | Michael S. Tsirkin | { |
1766 | 6f4cbd39 | Michael S. Tsirkin | uint8_t next, prev; |
1767 | 6f4cbd39 | Michael S. Tsirkin | |
1768 | 6f4cbd39 | Michael S. Tsirkin | if (!(pdev->config[PCI_STATUS] & PCI_STATUS_CAP_LIST))
|
1769 | 6f4cbd39 | Michael S. Tsirkin | return 0; |
1770 | 6f4cbd39 | Michael S. Tsirkin | |
1771 | 6f4cbd39 | Michael S. Tsirkin | for (prev = PCI_CAPABILITY_LIST; (next = pdev->config[prev]);
|
1772 | 6f4cbd39 | Michael S. Tsirkin | prev = next + PCI_CAP_LIST_NEXT) |
1773 | 6f4cbd39 | Michael S. Tsirkin | if (pdev->config[next + PCI_CAP_LIST_ID] == cap_id)
|
1774 | 6f4cbd39 | Michael S. Tsirkin | break;
|
1775 | 6f4cbd39 | Michael S. Tsirkin | |
1776 | 6f4cbd39 | Michael S. Tsirkin | if (prev_p)
|
1777 | 6f4cbd39 | Michael S. Tsirkin | *prev_p = prev; |
1778 | 6f4cbd39 | Michael S. Tsirkin | return next;
|
1779 | 6f4cbd39 | Michael S. Tsirkin | } |
1780 | 6f4cbd39 | Michael S. Tsirkin | |
1781 | c2039bd0 | Anthony Liguori | static void pci_map_option_rom(PCIDevice *pdev, int region_num, pcibus_t addr, pcibus_t size, int type) |
1782 | c2039bd0 | Anthony Liguori | { |
1783 | c2039bd0 | Anthony Liguori | cpu_register_physical_memory(addr, size, pdev->rom_offset); |
1784 | c2039bd0 | Anthony Liguori | } |
1785 | c2039bd0 | Anthony Liguori | |
1786 | ab85ceb1 | Stefan Weil | /* Patch the PCI vendor and device ids in a PCI rom image if necessary.
|
1787 | ab85ceb1 | Stefan Weil | This is needed for an option rom which is used for more than one device. */
|
1788 | ab85ceb1 | Stefan Weil | static void pci_patch_ids(PCIDevice *pdev, uint8_t *ptr, int size) |
1789 | ab85ceb1 | Stefan Weil | { |
1790 | ab85ceb1 | Stefan Weil | uint16_t vendor_id; |
1791 | ab85ceb1 | Stefan Weil | uint16_t device_id; |
1792 | ab85ceb1 | Stefan Weil | uint16_t rom_vendor_id; |
1793 | ab85ceb1 | Stefan Weil | uint16_t rom_device_id; |
1794 | ab85ceb1 | Stefan Weil | uint16_t rom_magic; |
1795 | ab85ceb1 | Stefan Weil | uint16_t pcir_offset; |
1796 | ab85ceb1 | Stefan Weil | uint8_t checksum; |
1797 | ab85ceb1 | Stefan Weil | |
1798 | ab85ceb1 | Stefan Weil | /* Words in rom data are little endian (like in PCI configuration),
|
1799 | ab85ceb1 | Stefan Weil | so they can be read / written with pci_get_word / pci_set_word. */
|
1800 | ab85ceb1 | Stefan Weil | |
1801 | ab85ceb1 | Stefan Weil | /* Only a valid rom will be patched. */
|
1802 | ab85ceb1 | Stefan Weil | rom_magic = pci_get_word(ptr); |
1803 | ab85ceb1 | Stefan Weil | if (rom_magic != 0xaa55) { |
1804 | ab85ceb1 | Stefan Weil | PCI_DPRINTF("Bad ROM magic %04x\n", rom_magic);
|
1805 | ab85ceb1 | Stefan Weil | return;
|
1806 | ab85ceb1 | Stefan Weil | } |
1807 | ab85ceb1 | Stefan Weil | pcir_offset = pci_get_word(ptr + 0x18);
|
1808 | ab85ceb1 | Stefan Weil | if (pcir_offset + 8 >= size || memcmp(ptr + pcir_offset, "PCIR", 4)) { |
1809 | ab85ceb1 | Stefan Weil | PCI_DPRINTF("Bad PCIR offset 0x%x or signature\n", pcir_offset);
|
1810 | ab85ceb1 | Stefan Weil | return;
|
1811 | ab85ceb1 | Stefan Weil | } |
1812 | ab85ceb1 | Stefan Weil | |
1813 | ab85ceb1 | Stefan Weil | vendor_id = pci_get_word(pdev->config + PCI_VENDOR_ID); |
1814 | ab85ceb1 | Stefan Weil | device_id = pci_get_word(pdev->config + PCI_DEVICE_ID); |
1815 | ab85ceb1 | Stefan Weil | rom_vendor_id = pci_get_word(ptr + pcir_offset + 4);
|
1816 | ab85ceb1 | Stefan Weil | rom_device_id = pci_get_word(ptr + pcir_offset + 6);
|
1817 | ab85ceb1 | Stefan Weil | |
1818 | ab85ceb1 | Stefan Weil | PCI_DPRINTF("%s: ROM id %04x%04x / PCI id %04x%04x\n", pdev->romfile,
|
1819 | ab85ceb1 | Stefan Weil | vendor_id, device_id, rom_vendor_id, rom_device_id); |
1820 | ab85ceb1 | Stefan Weil | |
1821 | ab85ceb1 | Stefan Weil | checksum = ptr[6];
|
1822 | ab85ceb1 | Stefan Weil | |
1823 | ab85ceb1 | Stefan Weil | if (vendor_id != rom_vendor_id) {
|
1824 | ab85ceb1 | Stefan Weil | /* Patch vendor id and checksum (at offset 6 for etherboot roms). */
|
1825 | ab85ceb1 | Stefan Weil | checksum += (uint8_t)rom_vendor_id + (uint8_t)(rom_vendor_id >> 8);
|
1826 | ab85ceb1 | Stefan Weil | checksum -= (uint8_t)vendor_id + (uint8_t)(vendor_id >> 8);
|
1827 | ab85ceb1 | Stefan Weil | PCI_DPRINTF("ROM checksum %02x / %02x\n", ptr[6], checksum); |
1828 | ab85ceb1 | Stefan Weil | ptr[6] = checksum;
|
1829 | ab85ceb1 | Stefan Weil | pci_set_word(ptr + pcir_offset + 4, vendor_id);
|
1830 | ab85ceb1 | Stefan Weil | } |
1831 | ab85ceb1 | Stefan Weil | |
1832 | ab85ceb1 | Stefan Weil | if (device_id != rom_device_id) {
|
1833 | ab85ceb1 | Stefan Weil | /* Patch device id and checksum (at offset 6 for etherboot roms). */
|
1834 | ab85ceb1 | Stefan Weil | checksum += (uint8_t)rom_device_id + (uint8_t)(rom_device_id >> 8);
|
1835 | ab85ceb1 | Stefan Weil | checksum -= (uint8_t)device_id + (uint8_t)(device_id >> 8);
|
1836 | ab85ceb1 | Stefan Weil | PCI_DPRINTF("ROM checksum %02x / %02x\n", ptr[6], checksum); |
1837 | ab85ceb1 | Stefan Weil | ptr[6] = checksum;
|
1838 | ab85ceb1 | Stefan Weil | pci_set_word(ptr + pcir_offset + 6, device_id);
|
1839 | ab85ceb1 | Stefan Weil | } |
1840 | ab85ceb1 | Stefan Weil | } |
1841 | ab85ceb1 | Stefan Weil | |
1842 | c2039bd0 | Anthony Liguori | /* Add an option rom for the device */
|
1843 | ab85ceb1 | Stefan Weil | static int pci_add_option_rom(PCIDevice *pdev, bool is_default_rom) |
1844 | c2039bd0 | Anthony Liguori | { |
1845 | c2039bd0 | Anthony Liguori | int size;
|
1846 | c2039bd0 | Anthony Liguori | char *path;
|
1847 | c2039bd0 | Anthony Liguori | void *ptr;
|
1848 | 1724f049 | Alex Williamson | char name[32]; |
1849 | c2039bd0 | Anthony Liguori | |
1850 | 8c52c8f3 | Gerd Hoffmann | if (!pdev->romfile)
|
1851 | 8c52c8f3 | Gerd Hoffmann | return 0; |
1852 | 8c52c8f3 | Gerd Hoffmann | if (strlen(pdev->romfile) == 0) |
1853 | 8c52c8f3 | Gerd Hoffmann | return 0; |
1854 | 8c52c8f3 | Gerd Hoffmann | |
1855 | 88169ddf | Gerd Hoffmann | if (!pdev->rom_bar) {
|
1856 | 88169ddf | Gerd Hoffmann | /*
|
1857 | 88169ddf | Gerd Hoffmann | * Load rom via fw_cfg instead of creating a rom bar,
|
1858 | 88169ddf | Gerd Hoffmann | * for 0.11 compatibility.
|
1859 | 88169ddf | Gerd Hoffmann | */
|
1860 | 88169ddf | Gerd Hoffmann | int class = pci_get_word(pdev->config + PCI_CLASS_DEVICE);
|
1861 | 88169ddf | Gerd Hoffmann | if (class == 0x0300) { |
1862 | 88169ddf | Gerd Hoffmann | rom_add_vga(pdev->romfile); |
1863 | 88169ddf | Gerd Hoffmann | } else {
|
1864 | 2e55e842 | Gleb Natapov | rom_add_option(pdev->romfile, -1);
|
1865 | 88169ddf | Gerd Hoffmann | } |
1866 | 88169ddf | Gerd Hoffmann | return 0; |
1867 | 88169ddf | Gerd Hoffmann | } |
1868 | 88169ddf | Gerd Hoffmann | |
1869 | 8c52c8f3 | Gerd Hoffmann | path = qemu_find_file(QEMU_FILE_TYPE_BIOS, pdev->romfile); |
1870 | c2039bd0 | Anthony Liguori | if (path == NULL) { |
1871 | 8c52c8f3 | Gerd Hoffmann | path = qemu_strdup(pdev->romfile); |
1872 | c2039bd0 | Anthony Liguori | } |
1873 | c2039bd0 | Anthony Liguori | |
1874 | c2039bd0 | Anthony Liguori | size = get_image_size(path); |
1875 | 8c52c8f3 | Gerd Hoffmann | if (size < 0) { |
1876 | 1ecda02b | Markus Armbruster | error_report("%s: failed to find romfile \"%s\"",
|
1877 | 1ecda02b | Markus Armbruster | __FUNCTION__, pdev->romfile); |
1878 | 386bbf45 | Stefan Weil | qemu_free(path); |
1879 | 8c52c8f3 | Gerd Hoffmann | return -1; |
1880 | 8c52c8f3 | Gerd Hoffmann | } |
1881 | c2039bd0 | Anthony Liguori | if (size & (size - 1)) { |
1882 | c2039bd0 | Anthony Liguori | size = 1 << qemu_fls(size);
|
1883 | c2039bd0 | Anthony Liguori | } |
1884 | c2039bd0 | Anthony Liguori | |
1885 | 1724f049 | Alex Williamson | if (pdev->qdev.info->vmsd)
|
1886 | 1724f049 | Alex Williamson | snprintf(name, sizeof(name), "%s.rom", pdev->qdev.info->vmsd->name); |
1887 | 1724f049 | Alex Williamson | else
|
1888 | 1724f049 | Alex Williamson | snprintf(name, sizeof(name), "%s.rom", pdev->qdev.info->name); |
1889 | 1724f049 | Alex Williamson | pdev->rom_offset = qemu_ram_alloc(&pdev->qdev, name, size); |
1890 | c2039bd0 | Anthony Liguori | |
1891 | c2039bd0 | Anthony Liguori | ptr = qemu_get_ram_ptr(pdev->rom_offset); |
1892 | c2039bd0 | Anthony Liguori | load_image(path, ptr); |
1893 | c2039bd0 | Anthony Liguori | qemu_free(path); |
1894 | c2039bd0 | Anthony Liguori | |
1895 | ab85ceb1 | Stefan Weil | if (is_default_rom) {
|
1896 | ab85ceb1 | Stefan Weil | /* Only the default rom images will be patched (if needed). */
|
1897 | ab85ceb1 | Stefan Weil | pci_patch_ids(pdev, ptr, size); |
1898 | ab85ceb1 | Stefan Weil | } |
1899 | ab85ceb1 | Stefan Weil | |
1900 | c2039bd0 | Anthony Liguori | pci_register_bar(pdev, PCI_ROM_SLOT, size, |
1901 | c2039bd0 | Anthony Liguori | 0, pci_map_option_rom);
|
1902 | c2039bd0 | Anthony Liguori | |
1903 | c2039bd0 | Anthony Liguori | return 0; |
1904 | c2039bd0 | Anthony Liguori | } |
1905 | c2039bd0 | Anthony Liguori | |
1906 | 230741dc | Alex Williamson | static void pci_del_option_rom(PCIDevice *pdev) |
1907 | 230741dc | Alex Williamson | { |
1908 | 230741dc | Alex Williamson | if (!pdev->rom_offset)
|
1909 | 230741dc | Alex Williamson | return;
|
1910 | 230741dc | Alex Williamson | |
1911 | 230741dc | Alex Williamson | qemu_ram_free(pdev->rom_offset); |
1912 | 230741dc | Alex Williamson | pdev->rom_offset = 0;
|
1913 | 230741dc | Alex Williamson | } |
1914 | 230741dc | Alex Williamson | |
1915 | ca77089d | Isaku Yamahata | /*
|
1916 | ca77089d | Isaku Yamahata | * if !offset
|
1917 | ca77089d | Isaku Yamahata | * Reserve space and add capability to the linked list in pci config space
|
1918 | ca77089d | Isaku Yamahata | *
|
1919 | ca77089d | Isaku Yamahata | * if offset = 0,
|
1920 | ca77089d | Isaku Yamahata | * Find and reserve space and add capability to the linked list
|
1921 | ca77089d | Isaku Yamahata | * in pci config space */
|
1922 | ca77089d | Isaku Yamahata | int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
|
1923 | ca77089d | Isaku Yamahata | uint8_t offset, uint8_t size) |
1924 | 6f4cbd39 | Michael S. Tsirkin | { |
1925 | ca77089d | Isaku Yamahata | uint8_t *config; |
1926 | ca77089d | Isaku Yamahata | if (!offset) {
|
1927 | ca77089d | Isaku Yamahata | offset = pci_find_space(pdev, size); |
1928 | ca77089d | Isaku Yamahata | if (!offset) {
|
1929 | ca77089d | Isaku Yamahata | return -ENOSPC;
|
1930 | ca77089d | Isaku Yamahata | } |
1931 | ca77089d | Isaku Yamahata | } |
1932 | ca77089d | Isaku Yamahata | |
1933 | ca77089d | Isaku Yamahata | config = pdev->config + offset; |
1934 | 6f4cbd39 | Michael S. Tsirkin | config[PCI_CAP_LIST_ID] = cap_id; |
1935 | 6f4cbd39 | Michael S. Tsirkin | config[PCI_CAP_LIST_NEXT] = pdev->config[PCI_CAPABILITY_LIST]; |
1936 | 6f4cbd39 | Michael S. Tsirkin | pdev->config[PCI_CAPABILITY_LIST] = offset; |
1937 | 6f4cbd39 | Michael S. Tsirkin | pdev->config[PCI_STATUS] |= PCI_STATUS_CAP_LIST; |
1938 | 6f4cbd39 | Michael S. Tsirkin | memset(pdev->used + offset, 0xFF, size);
|
1939 | 6f4cbd39 | Michael S. Tsirkin | /* Make capability read-only by default */
|
1940 | 6f4cbd39 | Michael S. Tsirkin | memset(pdev->wmask + offset, 0, size);
|
1941 | bd4b65ee | Michael S. Tsirkin | /* Check capability by default */
|
1942 | bd4b65ee | Michael S. Tsirkin | memset(pdev->cmask + offset, 0xFF, size);
|
1943 | 6f4cbd39 | Michael S. Tsirkin | return offset;
|
1944 | 6f4cbd39 | Michael S. Tsirkin | } |
1945 | 6f4cbd39 | Michael S. Tsirkin | |
1946 | 6f4cbd39 | Michael S. Tsirkin | /* Unlink capability from the pci config space. */
|
1947 | 6f4cbd39 | Michael S. Tsirkin | void pci_del_capability(PCIDevice *pdev, uint8_t cap_id, uint8_t size)
|
1948 | 6f4cbd39 | Michael S. Tsirkin | { |
1949 | 6f4cbd39 | Michael S. Tsirkin | uint8_t prev, offset = pci_find_capability_list(pdev, cap_id, &prev); |
1950 | 6f4cbd39 | Michael S. Tsirkin | if (!offset)
|
1951 | 6f4cbd39 | Michael S. Tsirkin | return;
|
1952 | 6f4cbd39 | Michael S. Tsirkin | pdev->config[prev] = pdev->config[offset + PCI_CAP_LIST_NEXT]; |
1953 | 6f4cbd39 | Michael S. Tsirkin | /* Make capability writeable again */
|
1954 | 6f4cbd39 | Michael S. Tsirkin | memset(pdev->wmask + offset, 0xff, size);
|
1955 | 1a4f5971 | Isaku Yamahata | memset(pdev->w1cmask + offset, 0, size);
|
1956 | bd4b65ee | Michael S. Tsirkin | /* Clear cmask as device-specific registers can't be checked */
|
1957 | bd4b65ee | Michael S. Tsirkin | memset(pdev->cmask + offset, 0, size);
|
1958 | 6f4cbd39 | Michael S. Tsirkin | memset(pdev->used + offset, 0, size);
|
1959 | 6f4cbd39 | Michael S. Tsirkin | |
1960 | 6f4cbd39 | Michael S. Tsirkin | if (!pdev->config[PCI_CAPABILITY_LIST])
|
1961 | 6f4cbd39 | Michael S. Tsirkin | pdev->config[PCI_STATUS] &= ~PCI_STATUS_CAP_LIST; |
1962 | 6f4cbd39 | Michael S. Tsirkin | } |
1963 | 6f4cbd39 | Michael S. Tsirkin | |
1964 | 6f4cbd39 | Michael S. Tsirkin | /* Reserve space for capability at a known offset (to call after load). */
|
1965 | 6f4cbd39 | Michael S. Tsirkin | void pci_reserve_capability(PCIDevice *pdev, uint8_t offset, uint8_t size)
|
1966 | 6f4cbd39 | Michael S. Tsirkin | { |
1967 | 6f4cbd39 | Michael S. Tsirkin | memset(pdev->used + offset, 0xff, size);
|
1968 | 6f4cbd39 | Michael S. Tsirkin | } |
1969 | 6f4cbd39 | Michael S. Tsirkin | |
1970 | 6f4cbd39 | Michael S. Tsirkin | uint8_t pci_find_capability(PCIDevice *pdev, uint8_t cap_id) |
1971 | 6f4cbd39 | Michael S. Tsirkin | { |
1972 | 6f4cbd39 | Michael S. Tsirkin | return pci_find_capability_list(pdev, cap_id, NULL); |
1973 | 6f4cbd39 | Michael S. Tsirkin | } |
1974 | 10c4c98a | Gerd Hoffmann | |
1975 | 10c4c98a | Gerd Hoffmann | static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent) |
1976 | 10c4c98a | Gerd Hoffmann | { |
1977 | 10c4c98a | Gerd Hoffmann | PCIDevice *d = (PCIDevice *)dev; |
1978 | 10c4c98a | Gerd Hoffmann | const pci_class_desc *desc;
|
1979 | 10c4c98a | Gerd Hoffmann | char ctxt[64]; |
1980 | 10c4c98a | Gerd Hoffmann | PCIIORegion *r; |
1981 | 10c4c98a | Gerd Hoffmann | int i, class;
|
1982 | 10c4c98a | Gerd Hoffmann | |
1983 | b0ff8eb2 | Isaku Yamahata | class = pci_get_word(d->config + PCI_CLASS_DEVICE); |
1984 | 10c4c98a | Gerd Hoffmann | desc = pci_class_descriptions; |
1985 | 10c4c98a | Gerd Hoffmann | while (desc->desc && class != desc->class)
|
1986 | 10c4c98a | Gerd Hoffmann | desc++; |
1987 | 10c4c98a | Gerd Hoffmann | if (desc->desc) {
|
1988 | 10c4c98a | Gerd Hoffmann | snprintf(ctxt, sizeof(ctxt), "%s", desc->desc); |
1989 | 10c4c98a | Gerd Hoffmann | } else {
|
1990 | 10c4c98a | Gerd Hoffmann | snprintf(ctxt, sizeof(ctxt), "Class %04x", class); |
1991 | 10c4c98a | Gerd Hoffmann | } |
1992 | 10c4c98a | Gerd Hoffmann | |
1993 | 10c4c98a | Gerd Hoffmann | monitor_printf(mon, "%*sclass %s, addr %02x:%02x.%x, "
|
1994 | 10c4c98a | Gerd Hoffmann | "pci id %04x:%04x (sub %04x:%04x)\n",
|
1995 | 7f5feab4 | Alex Williamson | indent, "", ctxt, pci_bus_num(d->bus),
|
1996 | e822a52a | Isaku Yamahata | PCI_SLOT(d->devfn), PCI_FUNC(d->devfn), |
1997 | b0ff8eb2 | Isaku Yamahata | pci_get_word(d->config + PCI_VENDOR_ID), |
1998 | b0ff8eb2 | Isaku Yamahata | pci_get_word(d->config + PCI_DEVICE_ID), |
1999 | b0ff8eb2 | Isaku Yamahata | pci_get_word(d->config + PCI_SUBSYSTEM_VENDOR_ID), |
2000 | b0ff8eb2 | Isaku Yamahata | pci_get_word(d->config + PCI_SUBSYSTEM_ID)); |
2001 | 10c4c98a | Gerd Hoffmann | for (i = 0; i < PCI_NUM_REGIONS; i++) { |
2002 | 10c4c98a | Gerd Hoffmann | r = &d->io_regions[i]; |
2003 | 10c4c98a | Gerd Hoffmann | if (!r->size)
|
2004 | 10c4c98a | Gerd Hoffmann | continue;
|
2005 | 89e8b13c | Isaku Yamahata | monitor_printf(mon, "%*sbar %d: %s at 0x%"FMT_PCIBUS
|
2006 | 89e8b13c | Isaku Yamahata | " [0x%"FMT_PCIBUS"]\n", |
2007 | 89e8b13c | Isaku Yamahata | indent, "",
|
2008 | 0392a017 | Isaku Yamahata | i, r->type & PCI_BASE_ADDRESS_SPACE_IO ? "i/o" : "mem", |
2009 | 10c4c98a | Gerd Hoffmann | r->addr, r->addr + r->size - 1);
|
2010 | 10c4c98a | Gerd Hoffmann | } |
2011 | 10c4c98a | Gerd Hoffmann | } |
2012 | 03587182 | Gerd Hoffmann | |
2013 | 5e0259e7 | Gleb Natapov | static char *pci_dev_fw_name(DeviceState *dev, char *buf, int len) |
2014 | 5e0259e7 | Gleb Natapov | { |
2015 | 5e0259e7 | Gleb Natapov | PCIDevice *d = (PCIDevice *)dev; |
2016 | 5e0259e7 | Gleb Natapov | const char *name = NULL; |
2017 | 5e0259e7 | Gleb Natapov | const pci_class_desc *desc = pci_class_descriptions;
|
2018 | 5e0259e7 | Gleb Natapov | int class = pci_get_word(d->config + PCI_CLASS_DEVICE);
|
2019 | 5e0259e7 | Gleb Natapov | |
2020 | 5e0259e7 | Gleb Natapov | while (desc->desc &&
|
2021 | 5e0259e7 | Gleb Natapov | (class & ~desc->fw_ign_bits) != |
2022 | 5e0259e7 | Gleb Natapov | (desc->class & ~desc->fw_ign_bits)) { |
2023 | 5e0259e7 | Gleb Natapov | desc++; |
2024 | 5e0259e7 | Gleb Natapov | } |
2025 | 5e0259e7 | Gleb Natapov | |
2026 | 5e0259e7 | Gleb Natapov | if (desc->desc) {
|
2027 | 5e0259e7 | Gleb Natapov | name = desc->fw_name; |
2028 | 5e0259e7 | Gleb Natapov | } |
2029 | 5e0259e7 | Gleb Natapov | |
2030 | 5e0259e7 | Gleb Natapov | if (name) {
|
2031 | 5e0259e7 | Gleb Natapov | pstrcpy(buf, len, name); |
2032 | 5e0259e7 | Gleb Natapov | } else {
|
2033 | 5e0259e7 | Gleb Natapov | snprintf(buf, len, "pci%04x,%04x",
|
2034 | 5e0259e7 | Gleb Natapov | pci_get_word(d->config + PCI_VENDOR_ID), |
2035 | 5e0259e7 | Gleb Natapov | pci_get_word(d->config + PCI_DEVICE_ID)); |
2036 | 5e0259e7 | Gleb Natapov | } |
2037 | 5e0259e7 | Gleb Natapov | |
2038 | 5e0259e7 | Gleb Natapov | return buf;
|
2039 | 5e0259e7 | Gleb Natapov | } |
2040 | 5e0259e7 | Gleb Natapov | |
2041 | 5e0259e7 | Gleb Natapov | static char *pcibus_get_fw_dev_path(DeviceState *dev) |
2042 | 5e0259e7 | Gleb Natapov | { |
2043 | 5e0259e7 | Gleb Natapov | PCIDevice *d = (PCIDevice *)dev; |
2044 | 5e0259e7 | Gleb Natapov | char path[50], name[33]; |
2045 | 5e0259e7 | Gleb Natapov | int off;
|
2046 | 5e0259e7 | Gleb Natapov | |
2047 | 5e0259e7 | Gleb Natapov | off = snprintf(path, sizeof(path), "%s@%x", |
2048 | 5e0259e7 | Gleb Natapov | pci_dev_fw_name(dev, name, sizeof name),
|
2049 | 5e0259e7 | Gleb Natapov | PCI_SLOT(d->devfn)); |
2050 | 5e0259e7 | Gleb Natapov | if (PCI_FUNC(d->devfn))
|
2051 | 5e0259e7 | Gleb Natapov | snprintf(path + off, sizeof(path) + off, ",%x", PCI_FUNC(d->devfn)); |
2052 | 5e0259e7 | Gleb Natapov | return strdup(path);
|
2053 | 5e0259e7 | Gleb Natapov | } |
2054 | 5e0259e7 | Gleb Natapov | |
2055 | 4f43c1ff | Alex Williamson | static char *pcibus_get_dev_path(DeviceState *dev) |
2056 | 4f43c1ff | Alex Williamson | { |
2057 | a6a7005d | Michael S. Tsirkin | PCIDevice *d = container_of(dev, PCIDevice, qdev); |
2058 | a6a7005d | Michael S. Tsirkin | PCIDevice *t; |
2059 | a6a7005d | Michael S. Tsirkin | int slot_depth;
|
2060 | a6a7005d | Michael S. Tsirkin | /* Path format: Domain:00:Slot.Function:Slot.Function....:Slot.Function.
|
2061 | a6a7005d | Michael S. Tsirkin | * 00 is added here to make this format compatible with
|
2062 | a6a7005d | Michael S. Tsirkin | * domain:Bus:Slot.Func for systems without nested PCI bridges.
|
2063 | a6a7005d | Michael S. Tsirkin | * Slot.Function list specifies the slot and function numbers for all
|
2064 | a6a7005d | Michael S. Tsirkin | * devices on the path from root to the specific device. */
|
2065 | 2991181a | Michael S. Tsirkin | char domain[] = "DDDD:00"; |
2066 | 2991181a | Michael S. Tsirkin | char slot[] = ":SS.F"; |
2067 | 2991181a | Michael S. Tsirkin | int domain_len = sizeof domain - 1 /* For '\0' */; |
2068 | 2991181a | Michael S. Tsirkin | int slot_len = sizeof slot - 1 /* For '\0' */; |
2069 | a6a7005d | Michael S. Tsirkin | int path_len;
|
2070 | a6a7005d | Michael S. Tsirkin | char *path, *p;
|
2071 | 2991181a | Michael S. Tsirkin | int s;
|
2072 | a6a7005d | Michael S. Tsirkin | |
2073 | a6a7005d | Michael S. Tsirkin | /* Calculate # of slots on path between device and root. */;
|
2074 | a6a7005d | Michael S. Tsirkin | slot_depth = 0;
|
2075 | a6a7005d | Michael S. Tsirkin | for (t = d; t; t = t->bus->parent_dev) {
|
2076 | a6a7005d | Michael S. Tsirkin | ++slot_depth; |
2077 | a6a7005d | Michael S. Tsirkin | } |
2078 | a6a7005d | Michael S. Tsirkin | |
2079 | a6a7005d | Michael S. Tsirkin | path_len = domain_len + slot_len * slot_depth; |
2080 | a6a7005d | Michael S. Tsirkin | |
2081 | a6a7005d | Michael S. Tsirkin | /* Allocate memory, fill in the terminating null byte. */
|
2082 | e10990c3 | Isaku Yamahata | path = qemu_malloc(path_len + 1 /* For '\0' */); |
2083 | a6a7005d | Michael S. Tsirkin | path[path_len] = '\0';
|
2084 | a6a7005d | Michael S. Tsirkin | |
2085 | a6a7005d | Michael S. Tsirkin | /* First field is the domain. */
|
2086 | 2991181a | Michael S. Tsirkin | s = snprintf(domain, sizeof domain, "%04x:00", pci_find_domain(d->bus)); |
2087 | 2991181a | Michael S. Tsirkin | assert(s == domain_len); |
2088 | 2991181a | Michael S. Tsirkin | memcpy(path, domain, domain_len); |
2089 | a6a7005d | Michael S. Tsirkin | |
2090 | a6a7005d | Michael S. Tsirkin | /* Fill in slot numbers. We walk up from device to root, so need to print
|
2091 | a6a7005d | Michael S. Tsirkin | * them in the reverse order, last to first. */
|
2092 | a6a7005d | Michael S. Tsirkin | p = path + path_len; |
2093 | a6a7005d | Michael S. Tsirkin | for (t = d; t; t = t->bus->parent_dev) {
|
2094 | a6a7005d | Michael S. Tsirkin | p -= slot_len; |
2095 | 2991181a | Michael S. Tsirkin | s = snprintf(slot, sizeof slot, ":%02x.%x", |
2096 | 4c900518 | Isaku Yamahata | PCI_SLOT(t->devfn), PCI_FUNC(t->devfn)); |
2097 | 2991181a | Michael S. Tsirkin | assert(s == slot_len); |
2098 | 2991181a | Michael S. Tsirkin | memcpy(p, slot, slot_len); |
2099 | a6a7005d | Michael S. Tsirkin | } |
2100 | a6a7005d | Michael S. Tsirkin | |
2101 | a6a7005d | Michael S. Tsirkin | return path;
|
2102 | 4f43c1ff | Alex Williamson | } |
2103 | 4f43c1ff | Alex Williamson | |
2104 | f3006dd1 | Isaku Yamahata | static int pci_qdev_find_recursive(PCIBus *bus, |
2105 | f3006dd1 | Isaku Yamahata | const char *id, PCIDevice **pdev) |
2106 | f3006dd1 | Isaku Yamahata | { |
2107 | f3006dd1 | Isaku Yamahata | DeviceState *qdev = qdev_find_recursive(&bus->qbus, id); |
2108 | f3006dd1 | Isaku Yamahata | if (!qdev) {
|
2109 | f3006dd1 | Isaku Yamahata | return -ENODEV;
|
2110 | f3006dd1 | Isaku Yamahata | } |
2111 | f3006dd1 | Isaku Yamahata | |
2112 | f3006dd1 | Isaku Yamahata | /* roughly check if given qdev is pci device */
|
2113 | f3006dd1 | Isaku Yamahata | if (qdev->info->init == &pci_qdev_init &&
|
2114 | f3006dd1 | Isaku Yamahata | qdev->parent_bus->info == &pci_bus_info) { |
2115 | f3006dd1 | Isaku Yamahata | *pdev = DO_UPCAST(PCIDevice, qdev, qdev); |
2116 | f3006dd1 | Isaku Yamahata | return 0; |
2117 | f3006dd1 | Isaku Yamahata | } |
2118 | f3006dd1 | Isaku Yamahata | return -EINVAL;
|
2119 | f3006dd1 | Isaku Yamahata | } |
2120 | f3006dd1 | Isaku Yamahata | |
2121 | f3006dd1 | Isaku Yamahata | int pci_qdev_find_device(const char *id, PCIDevice **pdev) |
2122 | f3006dd1 | Isaku Yamahata | { |
2123 | f3006dd1 | Isaku Yamahata | struct PCIHostBus *host;
|
2124 | f3006dd1 | Isaku Yamahata | int rc = -ENODEV;
|
2125 | f3006dd1 | Isaku Yamahata | |
2126 | f3006dd1 | Isaku Yamahata | QLIST_FOREACH(host, &host_buses, next) { |
2127 | f3006dd1 | Isaku Yamahata | int tmp = pci_qdev_find_recursive(host->bus, id, pdev);
|
2128 | f3006dd1 | Isaku Yamahata | if (!tmp) {
|
2129 | f3006dd1 | Isaku Yamahata | rc = 0;
|
2130 | f3006dd1 | Isaku Yamahata | break;
|
2131 | f3006dd1 | Isaku Yamahata | } |
2132 | f3006dd1 | Isaku Yamahata | if (tmp != -ENODEV) {
|
2133 | f3006dd1 | Isaku Yamahata | rc = tmp; |
2134 | f3006dd1 | Isaku Yamahata | } |
2135 | f3006dd1 | Isaku Yamahata | } |
2136 | f3006dd1 | Isaku Yamahata | |
2137 | f3006dd1 | Isaku Yamahata | return rc;
|
2138 | f3006dd1 | Isaku Yamahata | } |