1 /******************************************************************************* 2 / 3 / File: PCI.h 4 / 5 / Description: Interface to the PCI bus. 6 / For more information, see "PCI Local Bus Specification, Revision 2.1", 7 / PCI Special Interest Group, 1995. 8 / 9 / Copyright 1993-98, Be Incorporated, All Rights Reserved. 10 / 11 *******************************************************************************/ 12 13 14 #ifndef _PCI_H 15 #define _PCI_H 16 17 //#include <BeBuild.h> 18 //#include <SupportDefs.h> 19 #include <bus_manager.h> 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 26 /* ----- 27 pci device info 28 ----- */ 29 30 typedef struct pci_info { 31 ushort vendor_id; /* vendor id */ 32 ushort device_id; /* device id */ 33 uchar bus; /* bus number */ 34 uchar device; /* device number on bus */ 35 uchar function; /* function number in device */ 36 uchar revision; /* revision id */ 37 uchar class_api; /* specific register interface type */ 38 uchar class_sub; /* specific device function */ 39 uchar class_base; /* device type (display vs network, etc) */ 40 uchar line_size; /* cache line size in 32 bit words */ 41 uchar latency; /* latency timer */ 42 uchar header_type; /* header type */ 43 uchar bist; /* built-in self-test */ 44 uchar reserved; /* filler, for alignment */ 45 union { 46 struct { 47 uint32 cardbus_cis; /* CardBus CIS pointer */ 48 ushort subsystem_id; /* subsystem (add-in card) id */ 49 ushort subsystem_vendor_id; /* subsystem (add-in card) vendor id */ 50 uint32 rom_base; /* rom base address, viewed from host */ 51 uint32 rom_base_pci; /* rom base addr, viewed from pci */ 52 uint32 rom_size; /* rom size */ 53 uint32 base_registers[6]; /* base registers, viewed from host */ 54 uint32 base_registers_pci[6]; /* base registers, viewed from pci */ 55 uint32 base_register_sizes[6]; /* size of what base regs point to */ 56 uchar base_register_flags[6]; /* flags from base address fields */ 57 uchar interrupt_line; /* interrupt line */ 58 uchar interrupt_pin; /* interrupt pin */ 59 uchar min_grant; /* burst period @ 33 Mhz */ 60 uchar max_latency; /* how often PCI access needed */ 61 } h0; 62 struct { 63 uint32 base_registers[2]; /* base registers, viewed from host */ 64 uint32 base_registers_pci[2]; /* base registers, viewed from pci */ 65 uint32 base_register_sizes[2]; /* size of what base regs point to */ 66 uchar base_register_flags[2]; /* flags from base address fields */ 67 uchar primary_bus; 68 uchar secondary_bus; 69 uchar subordinate_bus; 70 uchar secondary_latency; 71 uchar io_base; 72 uchar io_limit; 73 ushort secondary_status; 74 ushort memory_base; 75 ushort memory_limit; 76 ushort prefetchable_memory_base; 77 ushort prefetchable_memory_limit; 78 uint32 prefetchable_memory_base_upper32; 79 uint32 prefetchable_memory_limit_upper32; 80 ushort io_base_upper16; 81 ushort io_limit_upper16; 82 uint32 rom_base; /* rom base address, viewed from host */ 83 uint32 rom_base_pci; /* rom base addr, viewed from pci */ 84 uchar interrupt_line; /* interrupt line */ 85 uchar interrupt_pin; /* interrupt pin */ 86 ushort bridge_control; 87 ushort subsystem_id; /* subsystem (add-in card) id */ 88 ushort subsystem_vendor_id; /* subsystem (add-in card) vendor id */ 89 } h1; 90 struct { 91 ushort subsystem_id; /* subsystem (add-in card) id */ 92 ushort subsystem_vendor_id; /* subsystem (add-in card) vendor id */ 93 94 #ifdef __HAIKU_PCI_BUS_MANAGER_TESTING 95 // for testing only, not final (do not use!): 96 uchar primary_bus; 97 uchar secondary_bus; 98 uchar subordinate_bus; 99 uchar secondary_latency; 100 ushort reserved; 101 uint32 memory_base; 102 uint32 memory_limit; 103 uint32 memory_base_upper32; 104 uint32 memory_limit_upper32; 105 uint32 io_base; 106 uint32 io_limit; 107 uint32 io_base_upper32; 108 uint32 io_limit_upper32; 109 ushort secondary_status; 110 ushort bridge_control; 111 #endif /* __HAIKU_PCI_BUS_MANAGER_TESTING */ 112 } h2; 113 } u; 114 } pci_info; 115 116 117 typedef struct pci_module_info pci_module_info; 118 119 struct pci_module_info { 120 bus_manager_info binfo; 121 122 uint8 (*read_io_8) (int mapped_io_addr); 123 void (*write_io_8) (int mapped_io_addr, uint8 value); 124 uint16 (*read_io_16) (int mapped_io_addr); 125 void (*write_io_16) (int mapped_io_addr, uint16 value); 126 uint32 (*read_io_32) (int mapped_io_addr); 127 void (*write_io_32) (int mapped_io_addr, uint32 value); 128 129 long (*get_nth_pci_info) ( 130 long index, /* index into pci device table */ 131 pci_info *info /* caller-supplied buffer for info */ 132 ); 133 uint32 (*read_pci_config) ( 134 uint8 bus, /* bus number */ 135 uint8 device, /* device # on bus */ 136 uint8 function, /* function # in device */ 137 uint16 offset, /* offset in configuration space */ 138 uint8 size /* # bytes to read (1, 2 or 4) */ 139 ); 140 void (*write_pci_config) ( 141 uint8 bus, /* bus number */ 142 uint8 device, /* device # on bus */ 143 uint8 function, /* function # in device */ 144 uint16 offset, /* offset in configuration space */ 145 uint8 size, /* # bytes to write (1, 2 or 4) */ 146 uint32 value /* value to write */ 147 ); 148 149 void * (*ram_address) (const void *physical_address_in_system_memory); 150 151 status_t (*find_pci_capability) ( 152 uchar bus, 153 uchar device, 154 uchar function, 155 uchar cap_id, 156 uchar *offset 157 ); 158 159 status_t (*reserve_device) ( 160 uchar bus, 161 uchar device, 162 uchar function, 163 const char *driver_name, 164 void *cookie); 165 status_t (*unreserve_device) ( 166 uchar bus, 167 uchar device, 168 uchar function, 169 const char *driver_name, 170 void *cookie); 171 172 status_t (*update_interrupt_line) ( 173 uchar bus, 174 uchar device, 175 uchar function, 176 uchar newInterruptLineValue); 177 178 status_t (*find_pci_extended_capability) ( 179 uint8 bus, 180 uint8 device, 181 uint8 function, 182 uint16 cap_id, 183 uint16 *offset 184 ); 185 }; 186 187 #define B_PCI_MODULE_NAME "bus_managers/pci/v1" 188 189 /* --- 190 offsets in PCI configuration space to the elements of the predefined 191 header common to all header types 192 --- */ 193 194 #define PCI_vendor_id 0x00 /* (2 byte) vendor id */ 195 #define PCI_device_id 0x02 /* (2 byte) device id */ 196 #define PCI_command 0x04 /* (2 byte) command */ 197 #define PCI_status 0x06 /* (2 byte) status */ 198 #define PCI_revision 0x08 /* (1 byte) revision id */ 199 #define PCI_class_api 0x09 /* (1 byte) specific register interface type */ 200 #define PCI_class_sub 0x0a /* (1 byte) specific device function */ 201 #define PCI_class_base 0x0b /* (1 byte) device type (display vs network, etc) */ 202 #define PCI_line_size 0x0c /* (1 byte) cache line size in 32 bit words */ 203 #define PCI_latency 0x0d /* (1 byte) latency timer */ 204 #define PCI_header_type 0x0e /* (1 byte) header type */ 205 #define PCI_bist 0x0f /* (1 byte) built-in self-test */ 206 207 #define PCI_extended_capability 0x100 /* (4 bytes) extended capability */ 208 209 210 /* --- 211 offsets in PCI configuration space to the elements of the predefined 212 header common to header types 0x00 and 0x01 213 --- */ 214 #define PCI_base_registers 0x10 /* base registers (size varies) */ 215 #define PCI_interrupt_line 0x3c /* (1 byte) interrupt line */ 216 #define PCI_interrupt_pin 0x3d /* (1 byte) interrupt pin */ 217 218 219 220 /* --- 221 offsets in PCI configuration space to the elements of header type 0x00 222 --- */ 223 224 #define PCI_cardbus_cis 0x28 /* (4 bytes) CardBus CIS (Card Information Structure) pointer (see PCMCIA v2.10 Spec) */ 225 #define PCI_subsystem_vendor_id 0x2c /* (2 bytes) subsystem (add-in card) vendor id */ 226 #define PCI_subsystem_id 0x2e /* (2 bytes) subsystem (add-in card) id */ 227 #define PCI_rom_base 0x30 /* (4 bytes) expansion rom base address */ 228 #define PCI_capabilities_ptr 0x34 /* (1 byte) pointer to the start of the capabilities list */ 229 #define PCI_min_grant 0x3e /* (1 byte) burst period @ 33 Mhz */ 230 #define PCI_max_latency 0x3f /* (1 byte) how often PCI access needed */ 231 232 233 /* --- 234 offsets in PCI configuration space to the elements of header type 0x01 (PCI-to-PCI bridge) 235 --- */ 236 237 #define PCI_primary_bus 0x18 /* (1 byte) */ 238 #define PCI_secondary_bus 0x19 /* (1 byte) */ 239 #define PCI_subordinate_bus 0x1A /* (1 byte) */ 240 #define PCI_secondary_latency 0x1B /* (1 byte) latency of secondary bus */ 241 #define PCI_io_base 0x1C /* (1 byte) io base address register for 2ndry bus*/ 242 #define PCI_io_limit 0x1D /* (1 byte) */ 243 #define PCI_secondary_status 0x1E /* (2 bytes) */ 244 #define PCI_memory_base 0x20 /* (2 bytes) */ 245 #define PCI_memory_limit 0x22 /* (2 bytes) */ 246 #define PCI_prefetchable_memory_base 0x24 /* (2 bytes) */ 247 #define PCI_prefetchable_memory_limit 0x26 /* (2 bytes) */ 248 #define PCI_prefetchable_memory_base_upper32 0x28 249 #define PCI_prefetchable_memory_limit_upper32 0x2C 250 #define PCI_io_base_upper16 0x30 /* (2 bytes) */ 251 #define PCI_io_limit_upper16 0x32 /* (2 bytes) */ 252 #define PCI_sub_vendor_id_1 0x34 /* (2 bytes) */ 253 #define PCI_sub_device_id_1 0x36 /* (2 bytes) */ 254 #define PCI_bridge_rom_base 0x38 255 #define PCI_bridge_control 0x3E /* (2 bytes) */ 256 257 258 /* PCI type 2 header offsets */ 259 #define PCI_capabilities_ptr_2 0x14 /* (1 byte) */ 260 #define PCI_secondary_status_2 0x16 /* (2 bytes) */ 261 #define PCI_primary_bus_2 0x18 /* (1 byte) */ 262 #define PCI_secondary_bus_2 0x19 /* (1 byte) */ 263 #define PCI_subordinate_bus_2 0x1A /* (1 byte) */ 264 #define PCI_secondary_latency_2 0x1B /* (1 byte) latency of secondary bus */ 265 #define PCI_memory_base0_2 0x1C /* (4 bytes) */ 266 #define PCI_memory_limit0_2 0x20 /* (4 bytes) */ 267 #define PCI_memory_base1_2 0x24 /* (4 bytes) */ 268 #define PCI_memory_limit1_2 0x28 /* (4 bytes) */ 269 #define PCI_io_base0_2 0x2c /* (4 bytes) */ 270 #define PCI_io_limit0_2 0x30 /* (4 bytes) */ 271 #define PCI_io_base1_2 0x34 /* (4 bytes) */ 272 #define PCI_io_limit1_2 0x38 /* (4 bytes) */ 273 #define PCI_bridge_control_2 0x3E /* (2 bytes) */ 274 275 #define PCI_sub_vendor_id_2 0x40 /* (2 bytes) */ 276 #define PCI_sub_device_id_2 0x42 /* (2 bytes) */ 277 278 #define PCI_card_interface_2 0x44 /* ?? */ 279 280 /* --- 281 values for the class_base field in the common header 282 --- */ 283 284 #define PCI_early 0x00 /* built before class codes defined */ 285 #define PCI_mass_storage 0x01 /* mass storage_controller */ 286 #define PCI_network 0x02 /* network controller */ 287 #define PCI_display 0x03 /* display controller */ 288 #define PCI_multimedia 0x04 /* multimedia device */ 289 #define PCI_memory 0x05 /* memory controller */ 290 #define PCI_bridge 0x06 /* bridge controller */ 291 #define PCI_simple_communications 0x07 /* simple communications controller */ 292 #define PCI_base_peripheral 0x08 /* base system peripherals */ 293 #define PCI_input 0x09 /* input devices */ 294 #define PCI_docking_station 0x0a /* docking stations */ 295 #define PCI_processor 0x0b /* processors */ 296 #define PCI_serial_bus 0x0c /* serial bus controllers */ 297 #define PCI_wireless 0x0d /* wireless controllers */ 298 #define PCI_intelligent_io 0x0e 299 #define PCI_satellite_communications 0x0f 300 #define PCI_encryption_decryption 0x10 301 #define PCI_data_acquisition 0x11 302 303 #define PCI_undefined 0xFF /* not in any defined class */ 304 305 306 /* --- 307 values for the class_sub field for class_base = 0x00 (built before 308 class codes were defined) 309 --- */ 310 311 #define PCI_early_not_vga 0x00 /* all except vga */ 312 #define PCI_early_vga 0x01 /* vga devices */ 313 314 315 /* --- 316 values for the class_sub field for class_base = 0x01 (mass storage) 317 --- */ 318 319 #define PCI_scsi 0x00 /* SCSI controller */ 320 #define PCI_ide 0x01 /* IDE controller */ 321 #define PCI_floppy 0x02 /* floppy disk controller */ 322 #define PCI_ipi 0x03 /* IPI bus controller */ 323 #define PCI_raid 0x04 /* RAID controller */ 324 #define PCI_ata 0x05 /* ATA controller with ADMA interface */ 325 #define PCI_sata 0x06 /* Serial ATA controller */ 326 #define PCI_sas 0x07 /* Serial Attached SCSI controller */ 327 #define PCI_nvm 0x08 /* NVM Express controller */ 328 #define PCI_mass_storage_other 0x80 /* other mass storage controller */ 329 330 /* --- 331 values of the class_api field for 332 class_base = 0x01 (mass storage) 333 class_sub = 0x06 (Serial ATA controller) 334 --- */ 335 336 #define PCI_sata_other 0x00 /* vendor specific interface */ 337 #define PCI_sata_ahci 0x01 /* AHCI interface */ 338 339 /* --- 340 values of the class_api field for 341 class_base = 0x01 (mass storage) 342 class_sub = 0x08 (NVM Express controller) 343 --- */ 344 345 #define PCI_nvm_other 0x00 /* vendor specific interface */ 346 #define PCI_nvm_hci 0x01 /* NVMHCI interface 1.0 */ 347 #define PCI_nvm_hci_enterprise 0x02 /* NVMHCI enterprise */ 348 349 /* --- 350 values for the class_sub field for class_base = 0x02 (network) 351 --- */ 352 353 #define PCI_ethernet 0x00 /* Ethernet controller */ 354 #define PCI_token_ring 0x01 /* Token Ring controller */ 355 #define PCI_fddi 0x02 /* FDDI controller */ 356 #define PCI_atm 0x03 /* ATM controller */ 357 #define PCI_isdn 0x04 /* ISDN controller */ 358 #define PCI_worldfip 0x05 /* WorldFip controller */ 359 #define PCI_picmg 0x06 /* PICMG controller */ 360 #define PCI_network_other 0x80 /* other network controller */ 361 362 363 /* --- 364 values for the class_sub field for class_base = 0x03 (display) 365 --- */ 366 367 #define PCI_vga 0x00 /* VGA controller */ 368 #define PCI_xga 0x01 /* XGA controller */ 369 #define PCI_3d 0x02 /* 3d controller */ 370 #define PCI_display_other 0x80 /* other display controller */ 371 372 373 /* --- 374 values for the class_sub field for class_base = 0x04 (multimedia device) 375 --- */ 376 377 #define PCI_video 0x00 /* video */ 378 #define PCI_audio 0x01 /* audio */ 379 #define PCI_telephony 0x02 /* computer telephony device */ 380 #define PCI_hd_audio 0x03 /* HD audio */ 381 #define PCI_multimedia_other 0x80 /* other multimedia device */ 382 383 384 /* --- 385 values for the class_sub field for class_base = 0x05 (memory) 386 --- */ 387 388 #define PCI_ram 0x00 /* RAM */ 389 #define PCI_flash 0x01 /* flash */ 390 #define PCI_memory_other 0x80 /* other memory controller */ 391 392 393 /* --- 394 values for the class_sub field for class_base = 0x06 (bridge) 395 --- */ 396 397 #define PCI_host 0x00 /* host bridge */ 398 #define PCI_isa 0x01 /* ISA bridge */ 399 #define PCI_eisa 0x02 /* EISA bridge */ 400 #define PCI_microchannel 0x03 /* MicroChannel bridge */ 401 #define PCI_pci 0x04 /* PCI-to-PCI bridge */ 402 #define PCI_pcmcia 0x05 /* PCMCIA bridge */ 403 #define PCI_nubus 0x06 /* NuBus bridge */ 404 #define PCI_cardbus 0x07 /* CardBus bridge */ 405 #define PCI_raceway 0x08 /* RACEway bridge */ 406 #define PCI_bridge_transparent 0x09 /* PCI transparent */ 407 #define PCI_bridge_infiniband 0x0a /* Infiniband */ 408 #define PCI_bridge_other 0x80 /* other bridge device */ 409 410 411 /* --- 412 values for the class_sub field for class_base = 0x07 (simple 413 communications controllers) 414 --- */ 415 416 #define PCI_serial 0x00 /* serial port controller */ 417 #define PCI_parallel 0x01 /* parallel port */ 418 #define PCI_multiport_serial 0x02 /* multiport serial controller */ 419 #define PCI_modem 0x03 /* modem */ 420 #define PCI_gpib 0x04 /* GPIB controller */ 421 #define PCI_smart_card 0x05 /* Smard Card controller */ 422 #define PCI_simple_communications_other 0x80 /* other communications device */ 423 424 /* --- 425 values of the class_api field for 426 class_base = 0x07 (simple communications), and 427 class_sub = 0x00 (serial port controller) 428 --- */ 429 430 #define PCI_serial_xt 0x00 /* XT-compatible serial controller */ 431 #define PCI_serial_16450 0x01 /* 16450-compatible serial controller */ 432 #define PCI_serial_16550 0x02 /* 16550-compatible serial controller */ 433 434 435 /* --- 436 values of the class_api field for 437 class_base = 0x07 (simple communications), and 438 class_sub = 0x01 (parallel port) 439 --- */ 440 441 #define PCI_parallel_simple 0x00 /* simple (output-only) parallel port */ 442 #define PCI_parallel_bidirectional 0x01 /* bidirectional parallel port */ 443 #define PCI_parallel_ecp 0x02 /* ECP 1.x compliant parallel port */ 444 445 446 /* --- 447 values for the class_sub field for class_base = 0x08 (generic 448 system peripherals) 449 --- */ 450 451 #define PCI_pic 0x00 /* peripheral interrupt controller */ 452 #define PCI_dma 0x01 /* dma controller */ 453 #define PCI_timer 0x02 /* timers */ 454 #define PCI_rtc 0x03 /* real time clock */ 455 #define PCI_generic_hot_plug 0x04 /* generic PCI hot-plug controller */ 456 #define PCI_sd_host 0x05 /* SD Host controller */ 457 #define PCI_iommu 0x06 /* IOMMU */ 458 #define PCI_system_peripheral_other 0x80 /* other generic system peripheral */ 459 460 /* --- 461 values of the class_api field for 462 class_base = 0x08 (generic system peripherals) 463 class_sub = 0x00 (peripheral interrupt controller) 464 --- */ 465 466 #define PCI_pic_8259 0x00 /* generic 8259 */ 467 #define PCI_pic_isa 0x01 /* ISA pic */ 468 #define PCI_pic_eisa 0x02 /* EISA pic */ 469 470 /* --- 471 values of the class_api field for 472 class_base = 0x08 (generic system peripherals) 473 class_sub = 0x01 (dma controller) 474 --- */ 475 476 #define PCI_dma_8237 0x00 /* generic 8237 */ 477 #define PCI_dma_isa 0x01 /* ISA dma */ 478 #define PCI_dma_eisa 0x02 /* EISA dma */ 479 480 /* --- 481 values of the class_api field for 482 class_base = 0x08 (generic system peripherals) 483 class_sub = 0x02 (timer) 484 --- */ 485 486 #define PCI_timer_8254 0x00 /* generic 8254 */ 487 #define PCI_timer_isa 0x01 /* ISA timer */ 488 #define PCI_timer_eisa 0x02 /* EISA timers (2 timers) */ 489 490 491 /* --- 492 values of the class_api field for 493 class_base = 0x08 (generic system peripherals) 494 class_sub = 0x03 (real time clock 495 --- */ 496 497 #define PCI_rtc_generic 0x00 /* generic real time clock */ 498 #define PCI_rtc_isa 0x01 /* ISA real time clock */ 499 500 501 /* --- 502 values for the class_sub field for class_base = 0x09 (input devices) 503 --- */ 504 505 #define PCI_keyboard 0x00 /* keyboard controller */ 506 #define PCI_pen 0x01 /* pen */ 507 #define PCI_mouse 0x02 /* mouse controller */ 508 #define PCI_scanner 0x03 /* scanner controller */ 509 #define PCI_gameport 0x04 /* gameport controller */ 510 #define PCI_input_other 0x80 /* other input controller */ 511 512 513 /* --- 514 values for the class_sub field for class_base = 0x0a (docking stations) 515 --- */ 516 517 #define PCI_docking_generic 0x00 /* generic docking station */ 518 #define PCI_docking_other 0x80 /* other docking stations */ 519 520 /* --- 521 values for the class_sub field for class_base = 0x0b (processor) 522 --- */ 523 524 #define PCI_386 0x00 /* 386 */ 525 #define PCI_486 0x01 /* 486 */ 526 #define PCI_pentium 0x02 /* Pentium */ 527 #define PCI_alpha 0x10 /* Alpha */ 528 #define PCI_PowerPC 0x20 /* PowerPC */ 529 #define PCI_mips 0x30 /* MIPS */ 530 #define PCI_coprocessor 0x40 /* co-processor */ 531 532 /* --- 533 values for the class_sub field for class_base = 0x0c (serial bus 534 controller) 535 --- */ 536 537 #define PCI_firewire 0x00 /* FireWire (IEEE 1394) */ 538 #define PCI_access 0x01 /* ACCESS bus */ 539 #define PCI_ssa 0x02 /* SSA */ 540 #define PCI_usb 0x03 /* Universal Serial Bus */ 541 #define PCI_fibre_channel 0x04 /* Fibre channel */ 542 #define PCI_smbus 0x05 543 #define PCI_infiniband 0x06 544 #define PCI_ipmi 0x07 545 #define PCI_sercos 0x08 546 #define PCI_canbus 0x09 547 548 /* --- 549 values of the class_api field for 550 class_base = 0x0c ( serial bus controller ) 551 class_sub = 0x03 ( Universal Serial Bus ) 552 --- */ 553 554 #define PCI_usb_uhci 0x00 /* Universal Host Controller Interface */ 555 #define PCI_usb_ohci 0x10 /* Open Host Controller Interface */ 556 #define PCI_usb_ehci 0x20 /* Enhanced Host Controller Interface */ 557 #define PCI_usb_xhci 0x30 /* Extensible Host Controller Interface */ 558 559 /* --- 560 values for the class_sub field for class_base = 0x0d (wireless controller) 561 --- */ 562 #define PCI_wireless_irda 0x00 563 #define PCI_wireless_consumer_ir 0x01 564 #define PCI_wireless_rf 0x02 565 #define PCI_wireless_bluetooth 0x03 566 #define PCI_wireless_broadband 0x04 567 #define PCI_wireless_80211A 0x10 568 #define PCI_wireless_80211B 0x20 569 #define PCI_wireless_other 0x80 570 571 /* --- 572 masks for command register bits 573 --- */ 574 575 #define PCI_command_io 0x001 /* 1/0 i/o space en/disabled */ 576 #define PCI_command_memory 0x002 /* 1/0 memory space en/disabled */ 577 #define PCI_command_master 0x004 /* 1/0 pci master en/disabled */ 578 #define PCI_command_special 0x008 /* 1/0 pci special cycles en/disabled */ 579 #define PCI_command_mwi 0x010 /* 1/0 memory write & invalidate en/disabled */ 580 #define PCI_command_vga_snoop 0x020 /* 1/0 vga pallette snoop en/disabled */ 581 #define PCI_command_parity 0x040 /* 1/0 parity check en/disabled */ 582 #define PCI_command_address_step 0x080 /* 1/0 address stepping en/disabled */ 583 #define PCI_command_serr 0x100 /* 1/0 SERR# en/disabled */ 584 #define PCI_command_fastback 0x200 /* 1/0 fast back-to-back en/disabled */ 585 #define PCI_command_int_disable 0x400 /* 1/0 interrupt generation dis/enabled */ 586 587 588 /* --- 589 masks for status register bits 590 --- */ 591 592 #define PCI_status_capabilities 0x0010 /* capabilities list */ 593 #define PCI_status_66_MHz_capable 0x0020 /* 66 Mhz capable */ 594 #define PCI_status_udf_supported 0x0040 /* user-definable-features (udf) supported */ 595 #define PCI_status_fastback 0x0080 /* fast back-to-back capable */ 596 #define PCI_status_parity_signalled 0x0100 /* parity error signalled */ 597 #define PCI_status_devsel 0x0600 /* devsel timing (see below) */ 598 #define PCI_status_target_abort_signalled 0x0800 /* signaled a target abort */ 599 #define PCI_status_target_abort_received 0x1000 /* received a target abort */ 600 #define PCI_status_master_abort_received 0x2000 /* received a master abort */ 601 #define PCI_status_serr_signalled 0x4000 /* signalled SERR# */ 602 #define PCI_status_parity_error_detected 0x8000 /* parity error detected */ 603 604 605 /* --- 606 masks for devsel field in status register 607 --- */ 608 609 #define PCI_status_devsel_fast 0x0000 /* fast */ 610 #define PCI_status_devsel_medium 0x0200 /* medium */ 611 #define PCI_status_devsel_slow 0x0400 /* slow */ 612 613 614 /* --- 615 masks for header type register 616 --- */ 617 618 #define PCI_header_type_mask 0x7F /* header type field */ 619 #define PCI_multifunction 0x80 /* multifunction device flag */ 620 621 622 /** types of PCI header */ 623 624 #define PCI_header_type_generic 0x00 625 #define PCI_header_type_PCI_to_PCI_bridge 0x01 626 #define PCI_header_type_cardbus 0x02 627 628 629 /* --- 630 masks for built in self test (bist) register bits 631 --- */ 632 633 #define PCI_bist_code 0x0F /* self-test completion code, 0 = success */ 634 #define PCI_bist_start 0x40 /* 1 = start self-test */ 635 #define PCI_bist_capable 0x80 /* 1 = self-test capable */ 636 637 638 /** masks for flags in the various base address registers */ 639 640 #define PCI_address_space 0x01 /* 0 = memory space, 1 = i/o space */ 641 #define PCI_register_start 0x10 642 #define PCI_register_end 0x24 643 #define PCI_register_ppb_end 0x18 644 #define PCI_register_pcb_end 0x14 645 646 /** masks for flags in memory space base address registers */ 647 648 #define PCI_address_type_32 0x00 /* locate anywhere in 32 bit space */ 649 #define PCI_address_type_32_low 0x02 /* locate below 1 Meg */ 650 #define PCI_address_type_64 0x04 /* locate anywhere in 64 bit space */ 651 #define PCI_address_type 0x06 /* type (see below) */ 652 #define PCI_address_prefetchable 0x08 /* 1 if prefetchable (see PCI spec) */ 653 654 #define PCI_address_memory_32_mask 0xFFFFFFF0 /* mask to get 32bit memory space base address */ 655 656 657 /* --- 658 masks for flags in i/o space base address registers 659 --- */ 660 661 #define PCI_address_io_mask 0xFFFFFFFC /* mask to get i/o space base address */ 662 663 #define PCI_range_memory_mask 0xFFFFFFF0 /* mask to get memory ranges */ 664 665 666 /* --- 667 masks for flags in expansion rom base address registers 668 --- */ 669 670 #define PCI_rom_enable 0x00000001 /* 1 expansion rom decode enabled */ 671 #define PCI_rom_shadow 0x00000010 /* 2 rom copied at shadow (C0000) */ 672 #define PCI_rom_copy 0x00000100 /* 4 rom is allocated copy */ 673 #define PCI_rom_bios 0x00001000 /* 8 rom is bios copy */ 674 #define PCI_rom_address_mask 0xFFFFF800 /* mask to get expansion rom addr */ 675 676 /** PCI interrupt pin values */ 677 #define PCI_pin_mask 0x07 678 #define PCI_pin_none 0x00 679 #define PCI_pin_a 0x01 680 #define PCI_pin_b 0x02 681 #define PCI_pin_c 0x03 682 #define PCI_pin_d 0x04 683 #define PCI_pin_max 0x04 684 685 /** PCI bridge control register bits */ 686 #define PCI_bridge_parity_error_response 0x0001 /* 1/0 Parity Error Response */ 687 #define PCI_bridge_serr 0x0002 /* 1/0 SERR# en/disabled */ 688 #define PCI_bridge_isa 0x0004 /* 1/0 ISA en/disabled */ 689 #define PCI_bridge_vga 0x0008 /* 1/0 VGA en/disabled */ 690 #define PCI_bridge_master_abort 0x0020 /* 1/0 Master Abort mode */ 691 #define PCI_bridge_secondary_bus_reset 0x0040 /* 1/0 Secondary bus reset */ 692 #define PCI_bridge_secondary_bus_fastback 0x0080 /* 1/0 fast back-to-back en/disabled */ 693 #define PCI_bridge_primary_discard_timeout 0x0100 /* 1/0 primary discard timeout */ 694 #define PCI_bridge_secondary_discard_timeout 0x0200 /* 1/0 secondary discard timeout */ 695 #define PCI_bridge_discard_timer_status 0x0400 /* 1/0 discard timer status */ 696 #define PCI_bridge_discard_timer_serr 0x0800 /* 1/0 discard timer serr */ 697 698 /** PCI Capability Codes */ 699 #define PCI_cap_id_reserved 0x00 700 #define PCI_cap_id_pm 0x01 /* Power management */ 701 #define PCI_cap_id_agp 0x02 /* AGP */ 702 #define PCI_cap_id_vpd 0x03 /* Vital product data */ 703 #define PCI_cap_id_slotid 0x04 /* Slot ID */ 704 #define PCI_cap_id_msi 0x05 /* Message signalled interrupt */ 705 #define PCI_cap_id_chswp 0x06 /* Compact PCI HotSwap */ 706 #define PCI_cap_id_pcix 0x07 /* PCI-X */ 707 #define PCI_cap_id_ht 0x08 /* HyperTransport */ 708 #define PCI_cap_id_vendspec 0x09 709 #define PCI_cap_id_debugport 0x0a 710 #define PCI_cap_id_cpci_rsrcctl 0x0b 711 #define PCI_cap_id_hotplug 0x0c 712 #define PCI_cap_id_subvendor 0x0d 713 #define PCI_cap_id_agp8x 0x0e 714 #define PCI_cap_id_secure_dev 0x0f 715 #define PCI_cap_id_pcie 0x10 /* PCIe (PCI express) */ 716 #define PCI_cap_id_msix 0x11 /* MSI-X */ 717 #define PCI_cap_id_sata 0x12 /* Serial ATA Capability */ 718 #define PCI_cap_id_pciaf 0x13 /* PCI Advanced Features */ 719 720 /** PCI Extended Capabilities */ 721 #define PCI_extcap_id(x) (x & 0x0000ffff) 722 #define PCI_extcap_version(x) ((x & 0x000f0000) >> 16) 723 #define PCI_extcap_next_ptr(x) ((x & 0xfff00000) >> 20) 724 725 #define PCI_extcap_id_aer 0x0001 /* Advanced Error Reporting */ 726 #define PCI_extcap_id_vc 0x0002 /* Virtual Channel */ 727 #define PCI_extcap_id_serial 0x0003 /* Serial Number */ 728 #define PCI_extcap_id_power_budget 0x0004 /* Power Budgeting */ 729 #define PCI_extcap_id_rcl_decl 0x0005 /* Root Complex Link Declaration */ 730 #define PCI_extcap_id_rcil_ctl 0x0006 /* Root Complex Internal Link Control */ 731 #define PCI_extcap_id_rcec_assoc 0x0007 /* Root Complex Event Collector Association */ 732 #define PCI_extcap_id_mfvc 0x0008 /* MultiFunction Virtual Channel */ 733 #define PCI_extcap_id_vc2 0x0009 /* Virtual Channel 2 */ 734 #define PCI_extcap_id_rcrb_header 0x000a /* RCRB Header */ 735 #define PCI_extcap_id_vendor 0x000b /* Vendor Unique */ 736 #define PCI_extcap_id_acs 0x000d /* Access Control Services */ 737 #define PCI_extcap_id_ari 0x000e /* Alternative Routing Id Interpretation */ 738 #define PCI_extcap_id_ats 0x000f /* Address Translation Services */ 739 #define PCI_extcap_id_srio_virtual 0x0010 /* Single Root I/O Virtualization */ 740 #define PCI_extcap_id_mrio_virtual 0x0011 /* Multiple Root I/O Virtual */ 741 #define PCI_extcap_id_multicast 0x0012 /* Multicast */ 742 #define PCI_extcap_id_page_request 0x0013 /* Page Request */ 743 #define PCI_extcap_id_amd 0x0014 /* AMD Reserved */ 744 #define PCI_extcap_id_resizable_bar 0x0015 /* Resizable Bar */ 745 #define PCI_extcap_id_dyn_power_alloc 0x0016 /* Dynamic Power Allocation */ 746 #define PCI_extcap_id_tph_requester 0x0017 /* TPH Requester */ 747 #define PCI_extcap_id_latency_tolerance 0x0018 /* Latency Tolerance Reporting */ 748 #define PCI_extcap_id_2ndpcie 0x0019 /* Secondary PCIe */ 749 #define PCI_extcap_id_pmux 0x001a /* Protocol Multiplexing */ 750 #define PCI_extcap_id_pasid 0x001b /* Process Address Space Id */ 751 #define PCI_extcap_id_ln_requester 0x001c /* LN Requester */ 752 #define PCI_extcap_id_dpc 0x001d /* Downstream Porto Containment */ 753 #define PCI_extcap_id_l1pm 0x001e /* L1 Power Management Substates */ 754 755 /** Power Management Control Status Register settings */ 756 #define PCI_pm_mask 0x03 757 #define PCI_pm_ctrl 0x02 758 #define PCI_pm_d1supp 0x0200 759 #define PCI_pm_d2supp 0x0400 760 #define PCI_pm_status 0x04 761 #define PCI_pm_state_d0 0x00 762 #define PCI_pm_state_d1 0x01 763 #define PCI_pm_state_d2 0x02 764 #define PCI_pm_state_d3 0x03 765 766 /** MSI registers **/ 767 #define PCI_msi_control 0x02 768 #define PCI_msi_address 0x04 769 #define PCI_msi_address_high 0x08 770 #define PCI_msi_data 0x08 771 #define PCI_msi_data_64bit 0x0c 772 #define PCI_msi_mask 0x10 773 #define PCI_msi_pending 0x14 774 775 /** MSI control register values **/ 776 #define PCI_msi_control_enable 0x0001 777 #define PCI_msi_control_vector 0x0100 778 #define PCI_msi_control_64bit 0x0080 779 #define PCI_msi_control_mme_mask 0x0070 780 #define PCI_msi_control_mme_1 0x0000 781 #define PCI_msi_control_mme_2 0x0010 782 #define PCI_msi_control_mme_4 0x0020 783 #define PCI_msi_control_mme_8 0x0030 784 #define PCI_msi_control_mme_16 0x0040 785 #define PCI_msi_control_mme_32 0x0050 786 #define PCI_msi_control_mmc_mask 0x000e 787 #define PCI_msi_control_mmc_1 0x0000 788 #define PCI_msi_control_mmc_2 0x0002 789 #define PCI_msi_control_mmc_4 0x0004 790 #define PCI_msi_control_mmc_8 0x0006 791 #define PCI_msi_control_mmc_16 0x0008 792 #define PCI_msi_control_mmc_32 0x000a 793 794 /** MSI-X registers **/ 795 #define PCI_msix_control 0x02 796 #define PCI_msix_table 0x04 797 #define PCI_msix_pba 0x08 798 799 #define PCI_msix_control_table_size 0x07ff 800 #define PCI_msix_control_function_mask 0x4000 801 #define PCI_msix_control_enable 0x8000 802 #define PCI_msix_bir_mask 0x0007 803 #define PCI_msix_bir_0 0x10 804 #define PCI_msix_bir_1 0x14 805 #define PCI_msix_bir_2 0x18 806 #define PCI_msix_bir_3 0x1c 807 #define PCI_msix_bir_4 0x20 808 #define PCI_msix_bir_5 0x24 809 #define PCI_msix_offset_mask 0xfff8 810 811 #define PCI_msix_vctrl_mask 0x0001 812 813 /** HyperTransport registers **/ 814 #define PCI_ht_command 0x02 815 #define PCI_ht_msi_address_low 0x04 816 #define PCI_ht_msi_address_high 0x08 817 818 #define PCI_ht_command_cap_mask_3_bits 0xe000 819 #define PCI_ht_command_cap_mask_5_bits 0xf800 820 #define PCI_ht_command_cap_slave 0x0000 821 #define PCI_ht_command_cap_host 0x2000 822 #define PCI_ht_command_cap_switch 0x4000 823 #define PCI_ht_command_cap_interrupt 0x8000 824 #define PCI_ht_command_cap_revision_id 0x8800 825 #define PCI_ht_command_cap_unit_id_clumping 0x9000 826 #define PCI_ht_command_cap_ext_config_space 0x9800 827 #define PCI_ht_command_cap_address_mapping 0xa000 828 #define PCI_ht_command_cap_msi_mapping 0xa800 829 #define PCI_ht_command_cap_direct_route 0xb000 830 #define PCI_ht_command_cap_vcset 0xb800 831 #define PCI_ht_command_cap_retry_mode 0xc000 832 #define PCI_ht_command_cap_x86_encoding 0xc800 833 #define PCI_ht_command_cap_gen3 0xd000 834 #define PCI_ht_command_cap_fle 0xd800 835 #define PCI_ht_command_cap_pm 0xe000 836 #define PCI_ht_command_cap_high_node_count 0xe800 837 838 #define PCI_ht_command_msi_enable 0x0001 839 #define PCI_ht_command_msi_fixed 0x0002 840 841 #ifdef __cplusplus 842 } 843 #endif 844 845 #endif /* _PCI_H */ 846