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87ecb68b PB |
1 | #ifndef QEMU_PCI_H |
2 | #define QEMU_PCI_H | |
3 | ||
c759b24f | 4 | #include "hw/qdev.h" |
022c62cb | 5 | #include "exec/memory.h" |
9c17d615 | 6 | #include "sysemu/dma.h" |
6b1b92d3 | 7 | |
87ecb68b | 8 | /* PCI includes legacy ISA access. */ |
0d09e41a | 9 | #include "hw/isa/isa.h" |
87ecb68b | 10 | |
c759b24f | 11 | #include "hw/pci/pcie.h" |
0428527c | 12 | |
88c725c7 CH |
13 | extern bool pci_available; |
14 | ||
87ecb68b PB |
15 | /* PCI bus */ |
16 | ||
3ae80618 | 17 | #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) |
ab71cc0d | 18 | #define PCI_BUS_NUM(x) (((x) >> 8) & 0xff) |
3ae80618 AL |
19 | #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) |
20 | #define PCI_FUNC(devfn) ((devfn) & 0x07) | |
4a94b3aa | 21 | #define PCI_BUILD_BDF(bus, devfn) ((bus << 8) | (devfn)) |
ab71cc0d DK |
22 | #define PCI_BUS_MAX 256 |
23 | #define PCI_DEVFN_MAX 256 | |
90a20dbb | 24 | #define PCI_SLOT_MAX 32 |
6fa84913 | 25 | #define PCI_FUNC_MAX 8 |
3ae80618 | 26 | |
a770dc7e | 27 | /* Class, Vendor and Device IDs from Linux's pci_ids.h */ |
c759b24f | 28 | #include "hw/pci/pci_ids.h" |
173a543b | 29 | |
a770dc7e | 30 | /* QEMU-specific Vendor and Device ID definitions */ |
6f338c34 | 31 | |
a770dc7e AL |
32 | /* IBM (0x1014) */ |
33 | #define PCI_DEVICE_ID_IBM_440GX 0x027f | |
4ebcf884 | 34 | #define PCI_DEVICE_ID_IBM_OPENPIC2 0xffff |
deb54399 | 35 | |
a770dc7e | 36 | /* Hitachi (0x1054) */ |
deb54399 | 37 | #define PCI_VENDOR_ID_HITACHI 0x1054 |
a770dc7e | 38 | #define PCI_DEVICE_ID_HITACHI_SH7751R 0x350e |
deb54399 | 39 | |
a770dc7e | 40 | /* Apple (0x106b) */ |
4ebcf884 BS |
41 | #define PCI_DEVICE_ID_APPLE_343S1201 0x0010 |
42 | #define PCI_DEVICE_ID_APPLE_UNI_N_I_PCI 0x001e | |
43 | #define PCI_DEVICE_ID_APPLE_UNI_N_PCI 0x001f | |
4ebcf884 | 44 | #define PCI_DEVICE_ID_APPLE_UNI_N_KEYL 0x0022 |
a770dc7e | 45 | #define PCI_DEVICE_ID_APPLE_IPID_USB 0x003f |
deb54399 | 46 | |
a770dc7e AL |
47 | /* Realtek (0x10ec) */ |
48 | #define PCI_DEVICE_ID_REALTEK_8029 0x8029 | |
deb54399 | 49 | |
a770dc7e AL |
50 | /* Xilinx (0x10ee) */ |
51 | #define PCI_DEVICE_ID_XILINX_XC2VP30 0x0300 | |
deb54399 | 52 | |
a770dc7e AL |
53 | /* Marvell (0x11ab) */ |
54 | #define PCI_DEVICE_ID_MARVELL_GT6412X 0x4620 | |
deb54399 | 55 | |
a770dc7e | 56 | /* QEMU/Bochs VGA (0x1234) */ |
4ebcf884 BS |
57 | #define PCI_VENDOR_ID_QEMU 0x1234 |
58 | #define PCI_DEVICE_ID_QEMU_VGA 0x1111 | |
59 | ||
a770dc7e | 60 | /* VMWare (0x15ad) */ |
deb54399 AL |
61 | #define PCI_VENDOR_ID_VMWARE 0x15ad |
62 | #define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405 | |
63 | #define PCI_DEVICE_ID_VMWARE_SVGA 0x0710 | |
64 | #define PCI_DEVICE_ID_VMWARE_NET 0x0720 | |
65 | #define PCI_DEVICE_ID_VMWARE_SCSI 0x0730 | |
881d588a | 66 | #define PCI_DEVICE_ID_VMWARE_PVSCSI 0x07C0 |
deb54399 | 67 | #define PCI_DEVICE_ID_VMWARE_IDE 0x1729 |
786fd2b0 | 68 | #define PCI_DEVICE_ID_VMWARE_VMXNET3 0x07B0 |
deb54399 | 69 | |
cef3017c | 70 | /* Intel (0x8086) */ |
a770dc7e | 71 | #define PCI_DEVICE_ID_INTEL_82551IT 0x1209 |
d6fd1e66 | 72 | #define PCI_DEVICE_ID_INTEL_82557 0x1229 |
1a5a86fb | 73 | #define PCI_DEVICE_ID_INTEL_82801IR 0x2922 |
74c62ba8 | 74 | |
deb54399 | 75 | /* Red Hat / Qumranet (for QEMU) -- see pci-ids.txt */ |
d350d97d AL |
76 | #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4 |
77 | #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 | |
78 | #define PCI_SUBDEVICE_ID_QEMU 0x1100 | |
79 | ||
80 | #define PCI_DEVICE_ID_VIRTIO_NET 0x1000 | |
81 | #define PCI_DEVICE_ID_VIRTIO_BLOCK 0x1001 | |
82 | #define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002 | |
14d50bef | 83 | #define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003 |
973abc7f | 84 | #define PCI_DEVICE_ID_VIRTIO_SCSI 0x1004 |
16c915ba | 85 | #define PCI_DEVICE_ID_VIRTIO_RNG 0x1005 |
13744bd0 | 86 | #define PCI_DEVICE_ID_VIRTIO_9P 0x1009 |
fc0b9b0e | 87 | #define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012 |
d350d97d | 88 | |
5c03a254 PB |
89 | #define PCI_VENDOR_ID_REDHAT 0x1b36 |
90 | #define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001 | |
91 | #define PCI_DEVICE_ID_REDHAT_SERIAL 0x0002 | |
92 | #define PCI_DEVICE_ID_REDHAT_SERIAL2 0x0003 | |
93 | #define PCI_DEVICE_ID_REDHAT_SERIAL4 0x0004 | |
22773d60 | 94 | #define PCI_DEVICE_ID_REDHAT_TEST 0x0005 |
5dcc2637 | 95 | #define PCI_DEVICE_ID_REDHAT_ROCKER 0x0006 |
5aa81360 | 96 | #define PCI_DEVICE_ID_REDHAT_SDHCI 0x0007 |
bf439db4 | 97 | #define PCI_DEVICE_ID_REDHAT_PCIE_HOST 0x0008 |
40d14bef | 98 | #define PCI_DEVICE_ID_REDHAT_PXB 0x0009 |
eb6c6a60 | 99 | #define PCI_DEVICE_ID_REDHAT_BRIDGE_SEAT 0x000a |
02b07434 | 100 | #define PCI_DEVICE_ID_REDHAT_PXB_PCIE 0x000b |
f7d6f3fa | 101 | #define PCI_DEVICE_ID_REDHAT_PCIE_RP 0x000c |
72a810f4 | 102 | #define PCI_DEVICE_ID_REDHAT_XHCI 0x000d |
a35fe226 | 103 | #define PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE 0x000e |
5c03a254 PB |
104 | #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 |
105 | ||
4f8589e1 | 106 | #define FMT_PCIBUS PRIx64 |
6e355d90 | 107 | |
a7c4d9c7 MA |
108 | typedef uint64_t pcibus_t; |
109 | ||
110 | struct PCIHostDeviceAddress { | |
111 | unsigned int domain; | |
112 | unsigned int bus; | |
113 | unsigned int slot; | |
114 | unsigned int function; | |
115 | }; | |
116 | ||
87ecb68b PB |
117 | typedef void PCIConfigWriteFunc(PCIDevice *pci_dev, |
118 | uint32_t address, uint32_t data, int len); | |
119 | typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev, | |
120 | uint32_t address, int len); | |
121 | typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num, | |
6e355d90 | 122 | pcibus_t addr, pcibus_t size, int type); |
f90c2bcd | 123 | typedef void PCIUnregisterFunc(PCIDevice *pci_dev); |
87ecb68b | 124 | |
87ecb68b | 125 | typedef struct PCIIORegion { |
6e355d90 IY |
126 | pcibus_t addr; /* current PCI mapping address. -1 means not mapped */ |
127 | #define PCI_BAR_UNMAPPED (~(pcibus_t)0) | |
128 | pcibus_t size; | |
87ecb68b | 129 | uint8_t type; |
79ff8cb0 | 130 | MemoryRegion *memory; |
5968eca3 | 131 | MemoryRegion *address_space; |
87ecb68b PB |
132 | } PCIIORegion; |
133 | ||
134 | #define PCI_ROM_SLOT 6 | |
135 | #define PCI_NUM_REGIONS 7 | |
136 | ||
e01fd687 AW |
137 | enum { |
138 | QEMU_PCI_VGA_MEM, | |
139 | QEMU_PCI_VGA_IO_LO, | |
140 | QEMU_PCI_VGA_IO_HI, | |
141 | QEMU_PCI_VGA_NUM_REGIONS, | |
142 | }; | |
143 | ||
144 | #define QEMU_PCI_VGA_MEM_BASE 0xa0000 | |
145 | #define QEMU_PCI_VGA_MEM_SIZE 0x20000 | |
146 | #define QEMU_PCI_VGA_IO_LO_BASE 0x3b0 | |
147 | #define QEMU_PCI_VGA_IO_LO_SIZE 0xc | |
148 | #define QEMU_PCI_VGA_IO_HI_BASE 0x3c0 | |
149 | #define QEMU_PCI_VGA_IO_HI_SIZE 0x20 | |
150 | ||
c759b24f | 151 | #include "hw/pci/pci_regs.h" |
fb58a897 IY |
152 | |
153 | /* PCI HEADER_TYPE */ | |
6407f373 | 154 | #define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80 |
8098ed41 | 155 | |
b7ee1603 MT |
156 | /* Size of the standard PCI config header */ |
157 | #define PCI_CONFIG_HEADER_SIZE 0x40 | |
158 | /* Size of the standard PCI config space */ | |
159 | #define PCI_CONFIG_SPACE_SIZE 0x100 | |
98a2f30a | 160 | /* Size of the standard PCIe config space: 4KB */ |
a9f49946 | 161 | #define PCIE_CONFIG_SPACE_SIZE 0x1000 |
b7ee1603 | 162 | |
e369cad7 IY |
163 | #define PCI_NUM_PINS 4 /* A-D */ |
164 | ||
02eb84d0 MT |
165 | /* Bits in cap_present field. */ |
166 | enum { | |
e4c7d2ae IY |
167 | QEMU_PCI_CAP_MSI = 0x1, |
168 | QEMU_PCI_CAP_MSIX = 0x2, | |
169 | QEMU_PCI_CAP_EXPRESS = 0x4, | |
49823868 IY |
170 | |
171 | /* multifunction capable device */ | |
e4c7d2ae | 172 | #define QEMU_PCI_CAP_MULTIFUNCTION_BITNR 3 |
49823868 | 173 | QEMU_PCI_CAP_MULTIFUNCTION = (1 << QEMU_PCI_CAP_MULTIFUNCTION_BITNR), |
b1aeb926 IY |
174 | |
175 | /* command register SERR bit enabled */ | |
176 | #define QEMU_PCI_CAP_SERR_BITNR 4 | |
177 | QEMU_PCI_CAP_SERR = (1 << QEMU_PCI_CAP_SERR_BITNR), | |
1dc324d2 MT |
178 | /* Standard hot plug controller. */ |
179 | #define QEMU_PCI_SHPC_BITNR 5 | |
180 | QEMU_PCI_CAP_SHPC = (1 << QEMU_PCI_SHPC_BITNR), | |
762833b3 MT |
181 | #define QEMU_PCI_SLOTID_BITNR 6 |
182 | QEMU_PCI_CAP_SLOTID = (1 << QEMU_PCI_SLOTID_BITNR), | |
f23b6bdc MA |
183 | /* PCI Express capability - Power Controller Present */ |
184 | #define QEMU_PCIE_SLTCAP_PCP_BITNR 7 | |
185 | QEMU_PCIE_SLTCAP_PCP = (1 << QEMU_PCIE_SLTCAP_PCP_BITNR), | |
6b449540 MT |
186 | /* Link active status in endpoint capability is always set */ |
187 | #define QEMU_PCIE_LNKSTA_DLLLA_BITNR 8 | |
188 | QEMU_PCIE_LNKSTA_DLLLA = (1 << QEMU_PCIE_LNKSTA_DLLLA_BITNR), | |
f03d8ea3 MA |
189 | #define QEMU_PCIE_EXTCAP_INIT_BITNR 9 |
190 | QEMU_PCIE_EXTCAP_INIT = (1 << QEMU_PCIE_EXTCAP_INIT_BITNR), | |
02eb84d0 MT |
191 | }; |
192 | ||
40021f08 AL |
193 | #define TYPE_PCI_DEVICE "pci-device" |
194 | #define PCI_DEVICE(obj) \ | |
195 | OBJECT_CHECK(PCIDevice, (obj), TYPE_PCI_DEVICE) | |
196 | #define PCI_DEVICE_CLASS(klass) \ | |
197 | OBJECT_CLASS_CHECK(PCIDeviceClass, (klass), TYPE_PCI_DEVICE) | |
198 | #define PCI_DEVICE_GET_CLASS(obj) \ | |
199 | OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE) | |
200 | ||
619f02ae EH |
201 | /* Implemented by devices that can be plugged on PCI Express buses */ |
202 | #define INTERFACE_PCIE_DEVICE "pci-express-device" | |
203 | ||
204 | /* Implemented by devices that can be plugged on Conventional PCI buses */ | |
205 | #define INTERFACE_CONVENTIONAL_PCI_DEVICE "conventional-pci-device" | |
206 | ||
3afa9bb4 MT |
207 | typedef struct PCIINTxRoute { |
208 | enum { | |
209 | PCI_INTX_ENABLED, | |
210 | PCI_INTX_INVERTED, | |
211 | PCI_INTX_DISABLED, | |
212 | } mode; | |
213 | int irq; | |
214 | } PCIINTxRoute; | |
215 | ||
40021f08 AL |
216 | typedef struct PCIDeviceClass { |
217 | DeviceClass parent_class; | |
218 | ||
7ee6c1e1 MA |
219 | void (*realize)(PCIDevice *dev, Error **errp); |
220 | int (*init)(PCIDevice *dev);/* TODO convert to realize() and remove */ | |
40021f08 AL |
221 | PCIUnregisterFunc *exit; |
222 | PCIConfigReadFunc *config_read; | |
223 | PCIConfigWriteFunc *config_write; | |
224 | ||
225 | uint16_t vendor_id; | |
226 | uint16_t device_id; | |
227 | uint8_t revision; | |
228 | uint16_t class_id; | |
229 | uint16_t subsystem_vendor_id; /* only for header type = 0 */ | |
230 | uint16_t subsystem_id; /* only for header type = 0 */ | |
231 | ||
232 | /* | |
233 | * pci-to-pci bridge or normal device. | |
234 | * This doesn't mean pci host switch. | |
235 | * When card bus bridge is supported, this would be enhanced. | |
236 | */ | |
237 | int is_bridge; | |
238 | ||
239 | /* pcie stuff */ | |
240 | int is_express; /* is this device pci express? */ | |
241 | ||
40021f08 AL |
242 | /* rom bar */ |
243 | const char *romfile; | |
244 | } PCIDeviceClass; | |
245 | ||
0ae16251 | 246 | typedef void (*PCIINTxRoutingNotifier)(PCIDevice *dev); |
2cdfe53c JK |
247 | typedef int (*MSIVectorUseNotifier)(PCIDevice *dev, unsigned int vector, |
248 | MSIMessage msg); | |
249 | typedef void (*MSIVectorReleaseNotifier)(PCIDevice *dev, unsigned int vector); | |
bbef882c MT |
250 | typedef void (*MSIVectorPollNotifier)(PCIDevice *dev, |
251 | unsigned int vector_start, | |
252 | unsigned int vector_end); | |
2cdfe53c | 253 | |
4a94b3aa PX |
254 | enum PCIReqIDType { |
255 | PCI_REQ_ID_INVALID = 0, | |
256 | PCI_REQ_ID_BDF, | |
257 | PCI_REQ_ID_SECONDARY_BUS, | |
258 | PCI_REQ_ID_MAX, | |
259 | }; | |
260 | typedef enum PCIReqIDType PCIReqIDType; | |
261 | ||
262 | struct PCIReqIDCache { | |
263 | PCIDevice *dev; | |
264 | PCIReqIDType type; | |
265 | }; | |
266 | typedef struct PCIReqIDCache PCIReqIDCache; | |
267 | ||
87ecb68b | 268 | struct PCIDevice { |
6b1b92d3 | 269 | DeviceState qdev; |
5fa45de5 | 270 | |
87ecb68b | 271 | /* PCI config space */ |
a9f49946 | 272 | uint8_t *config; |
b7ee1603 | 273 | |
ebabb67a | 274 | /* Used to enable config checks on load. Note that writable bits are |
bd4b65ee | 275 | * never checked even if set in cmask. */ |
a9f49946 | 276 | uint8_t *cmask; |
bd4b65ee | 277 | |
b7ee1603 | 278 | /* Used to implement R/W bytes */ |
a9f49946 | 279 | uint8_t *wmask; |
87ecb68b | 280 | |
92ba5f51 IY |
281 | /* Used to implement RW1C(Write 1 to Clear) bytes */ |
282 | uint8_t *w1cmask; | |
283 | ||
6f4cbd39 | 284 | /* Used to allocate config space for capabilities. */ |
a9f49946 | 285 | uint8_t *used; |
6f4cbd39 | 286 | |
87ecb68b PB |
287 | /* the following fields are read only */ |
288 | PCIBus *bus; | |
09f1bbcd | 289 | int32_t devfn; |
4a94b3aa PX |
290 | /* Cached device to fetch requester ID from, to avoid the PCI |
291 | * tree walking every time we invoke PCI request (e.g., | |
292 | * MSI). For conventional PCI root complex, this field is | |
293 | * meaningless. */ | |
294 | PCIReqIDCache requester_id_cache; | |
87ecb68b PB |
295 | char name[64]; |
296 | PCIIORegion io_regions[PCI_NUM_REGIONS]; | |
817dcc53 | 297 | AddressSpace bus_master_as; |
3716d590 | 298 | MemoryRegion bus_master_container_region; |
1c380f94 | 299 | MemoryRegion bus_master_enable_region; |
87ecb68b PB |
300 | |
301 | /* do not access the following fields */ | |
302 | PCIConfigReadFunc *config_read; | |
303 | PCIConfigWriteFunc *config_write; | |
87ecb68b | 304 | |
e01fd687 AW |
305 | /* Legacy PCI VGA regions */ |
306 | MemoryRegion *vga_regions[QEMU_PCI_VGA_NUM_REGIONS]; | |
307 | bool has_vga; | |
308 | ||
87ecb68b | 309 | /* Current IRQ levels. Used internally by the generic PCI code. */ |
d036bb21 | 310 | uint8_t irq_state; |
02eb84d0 MT |
311 | |
312 | /* Capability bits */ | |
313 | uint32_t cap_present; | |
314 | ||
315 | /* Offset of MSI-X capability in config space */ | |
316 | uint8_t msix_cap; | |
317 | ||
318 | /* MSI-X entries */ | |
319 | int msix_entries_nr; | |
320 | ||
d35e428c AW |
321 | /* Space to store MSIX table & pending bit array */ |
322 | uint8_t *msix_table; | |
323 | uint8_t *msix_pba; | |
53f94925 AW |
324 | /* MemoryRegion container for msix exclusive BAR setup */ |
325 | MemoryRegion msix_exclusive_bar; | |
d35e428c AW |
326 | /* Memory Regions for MSIX table and pending bit entries. */ |
327 | MemoryRegion msix_table_mmio; | |
328 | MemoryRegion msix_pba_mmio; | |
02eb84d0 MT |
329 | /* Reference-count for entries actually in use by driver. */ |
330 | unsigned *msix_entry_used; | |
50322249 MT |
331 | /* MSIX function mask set or MSIX disabled */ |
332 | bool msix_function_masked; | |
f16c4abf JQ |
333 | /* Version id needed for VMState */ |
334 | int32_t version_id; | |
c2039bd0 | 335 | |
e4c7d2ae IY |
336 | /* Offset of MSI capability in config space */ |
337 | uint8_t msi_cap; | |
338 | ||
0428527c IY |
339 | /* PCI Express */ |
340 | PCIExpressDevice exp; | |
341 | ||
1dc324d2 MT |
342 | /* SHPC */ |
343 | SHPCDevice *shpc; | |
344 | ||
c2039bd0 | 345 | /* Location of option rom */ |
8c52c8f3 | 346 | char *romfile; |
14caaf7f AK |
347 | bool has_rom; |
348 | MemoryRegion rom; | |
88169ddf | 349 | uint32_t rom_bar; |
2cdfe53c | 350 | |
0ae16251 JK |
351 | /* INTx routing notifier */ |
352 | PCIINTxRoutingNotifier intx_routing_notifier; | |
353 | ||
2cdfe53c JK |
354 | /* MSI-X notifiers */ |
355 | MSIVectorUseNotifier msix_vector_use_notifier; | |
356 | MSIVectorReleaseNotifier msix_vector_release_notifier; | |
bbef882c | 357 | MSIVectorPollNotifier msix_vector_poll_notifier; |
87ecb68b PB |
358 | }; |
359 | ||
e824b2cc AK |
360 | void pci_register_bar(PCIDevice *pci_dev, int region_num, |
361 | uint8_t attr, MemoryRegion *memory); | |
e01fd687 AW |
362 | void pci_register_vga(PCIDevice *pci_dev, MemoryRegion *mem, |
363 | MemoryRegion *io_lo, MemoryRegion *io_hi); | |
364 | void pci_unregister_vga(PCIDevice *pci_dev); | |
16a96f28 | 365 | pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num); |
87ecb68b | 366 | |
ca77089d | 367 | int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, |
9a7c2a59 MZ |
368 | uint8_t offset, uint8_t size, |
369 | Error **errp); | |
6f4cbd39 MT |
370 | |
371 | void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size); | |
372 | ||
6f4cbd39 MT |
373 | uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id); |
374 | ||
375 | ||
87ecb68b PB |
376 | uint32_t pci_default_read_config(PCIDevice *d, |
377 | uint32_t address, int len); | |
378 | void pci_default_write_config(PCIDevice *d, | |
379 | uint32_t address, uint32_t val, int len); | |
380 | void pci_device_save(PCIDevice *s, QEMUFile *f); | |
381 | int pci_device_load(PCIDevice *s, QEMUFile *f); | |
f5e6fed8 | 382 | MemoryRegion *pci_address_space(PCIDevice *dev); |
e11d6439 | 383 | MemoryRegion *pci_address_space_io(PCIDevice *dev); |
87ecb68b | 384 | |
cf8c704d MR |
385 | /* |
386 | * Should not normally be used by devices. For use by sPAPR target | |
387 | * where QEMU emulates firmware. | |
388 | */ | |
389 | int pci_bar(PCIDevice *d, int reg); | |
390 | ||
5d4e84c8 | 391 | typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level); |
87ecb68b | 392 | typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num); |
3afa9bb4 | 393 | typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin); |
e927d487 | 394 | |
cf09458d AW |
395 | #define TYPE_PCI_BUS "PCI" |
396 | #define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS) | |
ce6a28ee MA |
397 | #define PCI_BUS_CLASS(klass) OBJECT_CLASS_CHECK(PCIBusClass, (klass), TYPE_PCI_BUS) |
398 | #define PCI_BUS_GET_CLASS(obj) OBJECT_GET_CLASS(PCIBusClass, (obj), TYPE_PCI_BUS) | |
cf09458d AW |
399 | #define TYPE_PCIE_BUS "PCIE" |
400 | ||
8c0bf9e2 | 401 | bool pci_bus_is_express(PCIBus *bus); |
0889464a | 402 | bool pci_bus_is_root(PCIBus *bus); |
1115ff6d DG |
403 | void pci_root_bus_new_inplace(PCIBus *bus, size_t bus_size, DeviceState *parent, |
404 | const char *name, | |
405 | MemoryRegion *address_space_mem, | |
406 | MemoryRegion *address_space_io, | |
407 | uint8_t devfn_min, const char *typename); | |
408 | PCIBus *pci_root_bus_new(DeviceState *parent, const char *name, | |
aee97b84 AK |
409 | MemoryRegion *address_space_mem, |
410 | MemoryRegion *address_space_io, | |
60a0e443 | 411 | uint8_t devfn_min, const char *typename); |
21eea4b3 GH |
412 | void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, |
413 | void *irq_opaque, int nirq); | |
9ddf8437 | 414 | int pci_bus_get_irq_level(PCIBus *bus, int irq_num); |
91e56159 IY |
415 | /* 0 <= pin <= 3 0 = INTA, 1 = INTB, 2 = INTC, 3 = INTD */ |
416 | int pci_swizzle_map_irq_fn(PCIDevice *pci_dev, int pin); | |
1115ff6d DG |
417 | PCIBus *pci_register_root_bus(DeviceState *parent, const char *name, |
418 | pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, | |
419 | void *irq_opaque, | |
420 | MemoryRegion *address_space_mem, | |
421 | MemoryRegion *address_space_io, | |
422 | uint8_t devfn_min, int nirq, | |
423 | const char *typename); | |
3afa9bb4 MT |
424 | void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn); |
425 | PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin); | |
d6e65d54 | 426 | bool pci_intx_route_changed(PCIINTxRoute *old, PCIINTxRoute *new); |
0ae16251 JK |
427 | void pci_bus_fire_intx_routing_notifier(PCIBus *bus); |
428 | void pci_device_set_intx_routing_notifier(PCIDevice *dev, | |
429 | PCIINTxRoutingNotifier notifier); | |
0ead87c8 | 430 | void pci_device_reset(PCIDevice *dev); |
87ecb68b | 431 | |
29b358f9 DG |
432 | PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus, |
433 | const char *default_model, | |
07caea31 | 434 | const char *default_devaddr); |
129d42fb AJ |
435 | |
436 | PCIDevice *pci_vga_init(PCIBus *bus); | |
437 | ||
87ecb68b | 438 | int pci_bus_num(PCIBus *s); |
6a3042b2 | 439 | int pci_bus_numa_node(PCIBus *bus); |
7aa8cbb9 AP |
440 | void pci_for_each_device(PCIBus *bus, int bus_num, |
441 | void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque), | |
442 | void *opaque); | |
a8eeafda GK |
443 | void pci_for_each_device_reverse(PCIBus *bus, int bus_num, |
444 | void (*fn)(PCIBus *bus, PCIDevice *d, | |
445 | void *opaque), | |
446 | void *opaque); | |
eb0acfdd MT |
447 | void pci_for_each_bus_depth_first(PCIBus *bus, |
448 | void *(*begin)(PCIBus *bus, void *parent_state), | |
449 | void (*end)(PCIBus *bus, void *state), | |
450 | void *parent_state); | |
3f1e1478 | 451 | PCIDevice *pci_get_function_0(PCIDevice *pci_dev); |
eb0acfdd MT |
452 | |
453 | /* Use this wrapper when specific scan order is not required. */ | |
454 | static inline | |
455 | void pci_for_each_bus(PCIBus *bus, | |
456 | void (*fn)(PCIBus *bus, void *opaque), | |
457 | void *opaque) | |
458 | { | |
459 | pci_for_each_bus_depth_first(bus, NULL, fn, opaque); | |
460 | } | |
461 | ||
1ef7a2a2 | 462 | PCIBus *pci_find_primary_bus(void); |
c473d18d | 463 | PCIBus *pci_device_root_bus(const PCIDevice *d); |
568f0690 | 464 | const char *pci_root_bus_path(PCIDevice *dev); |
5256d8bf | 465 | PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn); |
f3006dd1 | 466 | int pci_qdev_find_device(const char *id, PCIDevice **pdev); |
43864069 | 467 | void pci_bus_get_w64_range(PCIBus *bus, Range *range); |
87ecb68b | 468 | |
4c92325b IY |
469 | void pci_device_deassert_intx(PCIDevice *dev); |
470 | ||
e00387d5 | 471 | typedef AddressSpace *(*PCIIOMMUFunc)(PCIBus *, void *, int); |
5fa45de5 | 472 | |
9eda7d37 | 473 | AddressSpace *pci_device_iommu_address_space(PCIDevice *dev); |
e00387d5 | 474 | void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque); |
5fa45de5 | 475 | |
64d50b8b MT |
476 | static inline void |
477 | pci_set_byte(uint8_t *config, uint8_t val) | |
478 | { | |
479 | *config = val; | |
480 | } | |
481 | ||
482 | static inline uint8_t | |
cb95c2e4 | 483 | pci_get_byte(const uint8_t *config) |
64d50b8b MT |
484 | { |
485 | return *config; | |
486 | } | |
487 | ||
14e12559 MT |
488 | static inline void |
489 | pci_set_word(uint8_t *config, uint16_t val) | |
490 | { | |
587ae227 | 491 | stw_le_p(config, val); |
14e12559 MT |
492 | } |
493 | ||
494 | static inline uint16_t | |
cb95c2e4 | 495 | pci_get_word(const uint8_t *config) |
14e12559 | 496 | { |
c65e5de9 | 497 | return lduw_le_p(config); |
14e12559 MT |
498 | } |
499 | ||
500 | static inline void | |
501 | pci_set_long(uint8_t *config, uint32_t val) | |
502 | { | |
6e931878 | 503 | stl_le_p(config, val); |
14e12559 MT |
504 | } |
505 | ||
506 | static inline uint32_t | |
cb95c2e4 | 507 | pci_get_long(const uint8_t *config) |
14e12559 | 508 | { |
f567656a | 509 | return ldl_le_p(config); |
14e12559 MT |
510 | } |
511 | ||
059a65f3 DF |
512 | /* |
513 | * PCI capabilities and/or their fields | |
514 | * are generally DWORD aligned only so | |
515 | * mechanism used by pci_set/get_quad() | |
516 | * must be tolerant to unaligned pointers | |
517 | * | |
518 | */ | |
fb5ce7d2 IY |
519 | static inline void |
520 | pci_set_quad(uint8_t *config, uint64_t val) | |
521 | { | |
059a65f3 | 522 | stq_le_p(config, val); |
fb5ce7d2 IY |
523 | } |
524 | ||
525 | static inline uint64_t | |
cb95c2e4 | 526 | pci_get_quad(const uint8_t *config) |
fb5ce7d2 | 527 | { |
059a65f3 | 528 | return ldq_le_p(config); |
fb5ce7d2 IY |
529 | } |
530 | ||
deb54399 AL |
531 | static inline void |
532 | pci_config_set_vendor_id(uint8_t *pci_config, uint16_t val) | |
533 | { | |
14e12559 | 534 | pci_set_word(&pci_config[PCI_VENDOR_ID], val); |
deb54399 AL |
535 | } |
536 | ||
537 | static inline void | |
538 | pci_config_set_device_id(uint8_t *pci_config, uint16_t val) | |
539 | { | |
14e12559 | 540 | pci_set_word(&pci_config[PCI_DEVICE_ID], val); |
deb54399 AL |
541 | } |
542 | ||
cf602c7b IE |
543 | static inline void |
544 | pci_config_set_revision(uint8_t *pci_config, uint8_t val) | |
545 | { | |
546 | pci_set_byte(&pci_config[PCI_REVISION_ID], val); | |
547 | } | |
548 | ||
173a543b BS |
549 | static inline void |
550 | pci_config_set_class(uint8_t *pci_config, uint16_t val) | |
551 | { | |
14e12559 | 552 | pci_set_word(&pci_config[PCI_CLASS_DEVICE], val); |
173a543b BS |
553 | } |
554 | ||
cf602c7b IE |
555 | static inline void |
556 | pci_config_set_prog_interface(uint8_t *pci_config, uint8_t val) | |
557 | { | |
558 | pci_set_byte(&pci_config[PCI_CLASS_PROG], val); | |
559 | } | |
560 | ||
561 | static inline void | |
562 | pci_config_set_interrupt_pin(uint8_t *pci_config, uint8_t val) | |
563 | { | |
564 | pci_set_byte(&pci_config[PCI_INTERRUPT_PIN], val); | |
565 | } | |
566 | ||
aabcf526 IY |
567 | /* |
568 | * helper functions to do bit mask operation on configuration space. | |
569 | * Just to set bit, use test-and-set and discard returned value. | |
570 | * Just to clear bit, use test-and-clear and discard returned value. | |
571 | * NOTE: They aren't atomic. | |
572 | */ | |
573 | static inline uint8_t | |
574 | pci_byte_test_and_clear_mask(uint8_t *config, uint8_t mask) | |
575 | { | |
576 | uint8_t val = pci_get_byte(config); | |
577 | pci_set_byte(config, val & ~mask); | |
578 | return val & mask; | |
579 | } | |
580 | ||
581 | static inline uint8_t | |
582 | pci_byte_test_and_set_mask(uint8_t *config, uint8_t mask) | |
583 | { | |
584 | uint8_t val = pci_get_byte(config); | |
585 | pci_set_byte(config, val | mask); | |
586 | return val & mask; | |
587 | } | |
588 | ||
589 | static inline uint16_t | |
590 | pci_word_test_and_clear_mask(uint8_t *config, uint16_t mask) | |
591 | { | |
592 | uint16_t val = pci_get_word(config); | |
593 | pci_set_word(config, val & ~mask); | |
594 | return val & mask; | |
595 | } | |
596 | ||
597 | static inline uint16_t | |
598 | pci_word_test_and_set_mask(uint8_t *config, uint16_t mask) | |
599 | { | |
600 | uint16_t val = pci_get_word(config); | |
601 | pci_set_word(config, val | mask); | |
602 | return val & mask; | |
603 | } | |
604 | ||
605 | static inline uint32_t | |
606 | pci_long_test_and_clear_mask(uint8_t *config, uint32_t mask) | |
607 | { | |
608 | uint32_t val = pci_get_long(config); | |
609 | pci_set_long(config, val & ~mask); | |
610 | return val & mask; | |
611 | } | |
612 | ||
613 | static inline uint32_t | |
614 | pci_long_test_and_set_mask(uint8_t *config, uint32_t mask) | |
615 | { | |
616 | uint32_t val = pci_get_long(config); | |
617 | pci_set_long(config, val | mask); | |
618 | return val & mask; | |
619 | } | |
620 | ||
621 | static inline uint64_t | |
622 | pci_quad_test_and_clear_mask(uint8_t *config, uint64_t mask) | |
623 | { | |
624 | uint64_t val = pci_get_quad(config); | |
625 | pci_set_quad(config, val & ~mask); | |
626 | return val & mask; | |
627 | } | |
628 | ||
629 | static inline uint64_t | |
630 | pci_quad_test_and_set_mask(uint8_t *config, uint64_t mask) | |
631 | { | |
632 | uint64_t val = pci_get_quad(config); | |
633 | pci_set_quad(config, val | mask); | |
634 | return val & mask; | |
635 | } | |
636 | ||
c9f50cea MT |
637 | /* Access a register specified by a mask */ |
638 | static inline void | |
639 | pci_set_byte_by_mask(uint8_t *config, uint8_t mask, uint8_t reg) | |
640 | { | |
641 | uint8_t val = pci_get_byte(config); | |
786a4ea8 | 642 | uint8_t rval = reg << ctz32(mask); |
c9f50cea MT |
643 | pci_set_byte(config, (~mask & val) | (mask & rval)); |
644 | } | |
645 | ||
646 | static inline uint8_t | |
647 | pci_get_byte_by_mask(uint8_t *config, uint8_t mask) | |
648 | { | |
649 | uint8_t val = pci_get_byte(config); | |
786a4ea8 | 650 | return (val & mask) >> ctz32(mask); |
c9f50cea MT |
651 | } |
652 | ||
653 | static inline void | |
654 | pci_set_word_by_mask(uint8_t *config, uint16_t mask, uint16_t reg) | |
655 | { | |
656 | uint16_t val = pci_get_word(config); | |
786a4ea8 | 657 | uint16_t rval = reg << ctz32(mask); |
c9f50cea MT |
658 | pci_set_word(config, (~mask & val) | (mask & rval)); |
659 | } | |
660 | ||
661 | static inline uint16_t | |
662 | pci_get_word_by_mask(uint8_t *config, uint16_t mask) | |
663 | { | |
664 | uint16_t val = pci_get_word(config); | |
786a4ea8 | 665 | return (val & mask) >> ctz32(mask); |
c9f50cea MT |
666 | } |
667 | ||
668 | static inline void | |
669 | pci_set_long_by_mask(uint8_t *config, uint32_t mask, uint32_t reg) | |
670 | { | |
671 | uint32_t val = pci_get_long(config); | |
786a4ea8 | 672 | uint32_t rval = reg << ctz32(mask); |
c9f50cea MT |
673 | pci_set_long(config, (~mask & val) | (mask & rval)); |
674 | } | |
675 | ||
676 | static inline uint32_t | |
677 | pci_get_long_by_mask(uint8_t *config, uint32_t mask) | |
678 | { | |
679 | uint32_t val = pci_get_long(config); | |
786a4ea8 | 680 | return (val & mask) >> ctz32(mask); |
c9f50cea MT |
681 | } |
682 | ||
683 | static inline void | |
684 | pci_set_quad_by_mask(uint8_t *config, uint64_t mask, uint64_t reg) | |
685 | { | |
686 | uint64_t val = pci_get_quad(config); | |
786a4ea8 | 687 | uint64_t rval = reg << ctz32(mask); |
c9f50cea MT |
688 | pci_set_quad(config, (~mask & val) | (mask & rval)); |
689 | } | |
690 | ||
691 | static inline uint64_t | |
692 | pci_get_quad_by_mask(uint8_t *config, uint64_t mask) | |
693 | { | |
694 | uint64_t val = pci_get_quad(config); | |
786a4ea8 | 695 | return (val & mask) >> ctz32(mask); |
c9f50cea MT |
696 | } |
697 | ||
49823868 IY |
698 | PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction, |
699 | const char *name); | |
700 | PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn, | |
701 | bool multifunction, | |
702 | const char *name); | |
499cf102 | 703 | PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name); |
6b1b92d3 PB |
704 | PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name); |
705 | ||
a64aa578 MA |
706 | void lsi53c895a_create(PCIBus *bus); |
707 | ||
d98f08f5 MA |
708 | qemu_irq pci_allocate_irq(PCIDevice *pci_dev); |
709 | void pci_set_irq(PCIDevice *pci_dev, int level); | |
710 | ||
711 | static inline void pci_irq_assert(PCIDevice *pci_dev) | |
712 | { | |
713 | pci_set_irq(pci_dev, 1); | |
714 | } | |
715 | ||
716 | static inline void pci_irq_deassert(PCIDevice *pci_dev) | |
717 | { | |
718 | pci_set_irq(pci_dev, 0); | |
719 | } | |
720 | ||
721 | /* | |
722 | * FIXME: PCI does not work this way. | |
723 | * All the callers to this method should be fixed. | |
724 | */ | |
725 | static inline void pci_irq_pulse(PCIDevice *pci_dev) | |
726 | { | |
727 | pci_irq_assert(pci_dev); | |
728 | pci_irq_deassert(pci_dev); | |
729 | } | |
730 | ||
3c18685f | 731 | static inline int pci_is_express(const PCIDevice *d) |
a9f49946 IY |
732 | { |
733 | return d->cap_present & QEMU_PCI_CAP_EXPRESS; | |
734 | } | |
735 | ||
3c18685f | 736 | static inline uint32_t pci_config_size(const PCIDevice *d) |
a9f49946 IY |
737 | { |
738 | return pci_is_express(d) ? PCIE_CONFIG_SPACE_SIZE : PCI_CONFIG_SPACE_SIZE; | |
739 | } | |
740 | ||
4a94b3aa | 741 | static inline uint16_t pci_get_bdf(PCIDevice *dev) |
a05f686f | 742 | { |
4a94b3aa | 743 | return PCI_BUILD_BDF(pci_bus_num(dev->bus), dev->devfn); |
a05f686f PF |
744 | } |
745 | ||
4a94b3aa PX |
746 | uint16_t pci_requester_id(PCIDevice *dev); |
747 | ||
ec174575 | 748 | /* DMA access functions */ |
df32fd1c | 749 | static inline AddressSpace *pci_get_address_space(PCIDevice *dev) |
d86a77f8 | 750 | { |
df32fd1c | 751 | return &dev->bus_master_as; |
d86a77f8 DG |
752 | } |
753 | ||
ec174575 DG |
754 | static inline int pci_dma_rw(PCIDevice *dev, dma_addr_t addr, |
755 | void *buf, dma_addr_t len, DMADirection dir) | |
756 | { | |
df32fd1c | 757 | dma_memory_rw(pci_get_address_space(dev), addr, buf, len, dir); |
ec174575 DG |
758 | return 0; |
759 | } | |
760 | ||
761 | static inline int pci_dma_read(PCIDevice *dev, dma_addr_t addr, | |
762 | void *buf, dma_addr_t len) | |
763 | { | |
764 | return pci_dma_rw(dev, addr, buf, len, DMA_DIRECTION_TO_DEVICE); | |
765 | } | |
766 | ||
767 | static inline int pci_dma_write(PCIDevice *dev, dma_addr_t addr, | |
768 | const void *buf, dma_addr_t len) | |
769 | { | |
770 | return pci_dma_rw(dev, addr, (void *) buf, len, DMA_DIRECTION_FROM_DEVICE); | |
771 | } | |
772 | ||
773 | #define PCI_DMA_DEFINE_LDST(_l, _s, _bits) \ | |
774 | static inline uint##_bits##_t ld##_l##_pci_dma(PCIDevice *dev, \ | |
775 | dma_addr_t addr) \ | |
776 | { \ | |
df32fd1c | 777 | return ld##_l##_dma(pci_get_address_space(dev), addr); \ |
ec174575 DG |
778 | } \ |
779 | static inline void st##_s##_pci_dma(PCIDevice *dev, \ | |
d86a77f8 | 780 | dma_addr_t addr, uint##_bits##_t val) \ |
ec174575 | 781 | { \ |
df32fd1c | 782 | st##_s##_dma(pci_get_address_space(dev), addr, val); \ |
ec174575 DG |
783 | } |
784 | ||
785 | PCI_DMA_DEFINE_LDST(ub, b, 8); | |
786 | PCI_DMA_DEFINE_LDST(uw_le, w_le, 16) | |
787 | PCI_DMA_DEFINE_LDST(l_le, l_le, 32); | |
788 | PCI_DMA_DEFINE_LDST(q_le, q_le, 64); | |
789 | PCI_DMA_DEFINE_LDST(uw_be, w_be, 16) | |
790 | PCI_DMA_DEFINE_LDST(l_be, l_be, 32); | |
791 | PCI_DMA_DEFINE_LDST(q_be, q_be, 64); | |
792 | ||
793 | #undef PCI_DMA_DEFINE_LDST | |
794 | ||
795 | static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr, | |
796 | dma_addr_t *plen, DMADirection dir) | |
797 | { | |
ec174575 DG |
798 | void *buf; |
799 | ||
df32fd1c | 800 | buf = dma_memory_map(pci_get_address_space(dev), addr, plen, dir); |
ec174575 DG |
801 | return buf; |
802 | } | |
803 | ||
804 | static inline void pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len, | |
805 | DMADirection dir, dma_addr_t access_len) | |
806 | { | |
df32fd1c | 807 | dma_memory_unmap(pci_get_address_space(dev), buffer, len, dir, access_len); |
ec174575 DG |
808 | } |
809 | ||
810 | static inline void pci_dma_sglist_init(QEMUSGList *qsg, PCIDevice *dev, | |
811 | int alloc_hint) | |
812 | { | |
f487b677 | 813 | qemu_sglist_init(qsg, DEVICE(dev), alloc_hint, pci_get_address_space(dev)); |
ec174575 DG |
814 | } |
815 | ||
701a8f76 PB |
816 | extern const VMStateDescription vmstate_pci_device; |
817 | ||
818 | #define VMSTATE_PCI_DEVICE(_field, _state) { \ | |
819 | .name = (stringify(_field)), \ | |
820 | .size = sizeof(PCIDevice), \ | |
821 | .vmsd = &vmstate_pci_device, \ | |
822 | .flags = VMS_STRUCT, \ | |
823 | .offset = vmstate_offset_value(_state, _field, PCIDevice), \ | |
824 | } | |
825 | ||
826 | #define VMSTATE_PCI_DEVICE_POINTER(_field, _state) { \ | |
827 | .name = (stringify(_field)), \ | |
828 | .size = sizeof(PCIDevice), \ | |
829 | .vmsd = &vmstate_pci_device, \ | |
830 | .flags = VMS_STRUCT|VMS_POINTER, \ | |
831 | .offset = vmstate_offset_pointer(_state, _field, PCIDevice), \ | |
832 | } | |
833 | ||
e1d4fb2d PX |
834 | MSIMessage pci_get_msi_message(PCIDevice *dev, int vector); |
835 | ||
87ecb68b | 836 | #endif |