1 /* $NetBSD: pci_subr.c,v 1.202 2018/07/03 04:56:59 msaitoh Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Zubin D. Dittia. All rights reserved. 5 * Copyright (c) 1995, 1996, 1998, 2000 6 * Christopher G. Demetriou. All rights reserved. 7 * Copyright (c) 1994 Charles M. Hannum. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Charles M. Hannum. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * PCI autoconfiguration support functions. 37 * 38 * Note: This file is also built into a userland library (libpci). 39 * Pay attention to this when you make modifications. 40 */ 41 42 #include <sys/cdefs.h> 43 __KERNEL_RCSID(0, "$NetBSD: pci_subr.c,v 1.202 2018/07/03 04:56:59 msaitoh Exp $"); 44 45 #ifdef _KERNEL_OPT 46 #include "opt_pci.h" 47 #endif 48 49 #include <sys/param.h> 50 51 #ifdef _KERNEL 52 #include <sys/systm.h> 53 #include <sys/intr.h> 54 #include <sys/module.h> 55 #else 56 #include <pci.h> 57 #include <stdarg.h> 58 #include <stdbool.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 #endif 63 64 #include <dev/pci/pcireg.h> 65 #ifdef _KERNEL 66 #include <dev/pci/pcivar.h> 67 #else 68 #include <dev/pci/pci_verbose.h> 69 #include <dev/pci/pcidevs.h> 70 #include <dev/pci/pcidevs_data.h> 71 #endif 72 73 static int pci_conf_find_cap(const pcireg_t *, unsigned int, int *); 74 static int pci_conf_find_extcap(const pcireg_t *, unsigned int, int *); 75 static void pci_conf_print_pcie_power(uint8_t, unsigned int); 76 77 /* 78 * Descriptions of known PCI classes and subclasses. 79 * 80 * Subclasses are described in the same way as classes, but have a 81 * NULL subclass pointer. 82 */ 83 struct pci_class { 84 const char *name; 85 u_int val; /* as wide as pci_{,sub}class_t */ 86 const struct pci_class *subclasses; 87 }; 88 89 /* 90 * Class 0x00. 91 * Before rev. 2.0. 92 */ 93 static const struct pci_class pci_subclass_prehistoric[] = { 94 { "miscellaneous", PCI_SUBCLASS_PREHISTORIC_MISC, NULL, }, 95 { "VGA", PCI_SUBCLASS_PREHISTORIC_VGA, NULL, }, 96 { NULL, 0, NULL, }, 97 }; 98 99 /* 100 * Class 0x01. 101 * Mass storage controller 102 */ 103 104 /* ATA programming interface */ 105 static const struct pci_class pci_interface_ata[] = { 106 { "with single DMA", PCI_INTERFACE_ATA_SINGLEDMA, NULL, }, 107 { "with chained DMA", PCI_INTERFACE_ATA_CHAINEDDMA, NULL, }, 108 { NULL, 0, NULL, }, 109 }; 110 111 /* SATA programming interface */ 112 static const struct pci_class pci_interface_sata[] = { 113 { "vendor specific", PCI_INTERFACE_SATA_VND, NULL, }, 114 { "AHCI 1.0", PCI_INTERFACE_SATA_AHCI10, NULL, }, 115 { "Serial Storage Bus Interface", PCI_INTERFACE_SATA_SSBI, NULL, }, 116 { NULL, 0, NULL, }, 117 }; 118 119 /* Flash programming interface */ 120 static const struct pci_class pci_interface_nvm[] = { 121 { "vendor specific", PCI_INTERFACE_NVM_VND, NULL, }, 122 { "NVMHCI 1.0", PCI_INTERFACE_NVM_NVMHCI10, NULL, }, 123 { "NVMe", PCI_INTERFACE_NVM_NVME, NULL, }, 124 { NULL, 0, NULL, }, 125 }; 126 127 /* Subclasses */ 128 static const struct pci_class pci_subclass_mass_storage[] = { 129 { "SCSI", PCI_SUBCLASS_MASS_STORAGE_SCSI, NULL, }, 130 { "IDE", PCI_SUBCLASS_MASS_STORAGE_IDE, NULL, }, 131 { "floppy", PCI_SUBCLASS_MASS_STORAGE_FLOPPY, NULL, }, 132 { "IPI", PCI_SUBCLASS_MASS_STORAGE_IPI, NULL, }, 133 { "RAID", PCI_SUBCLASS_MASS_STORAGE_RAID, NULL, }, 134 { "ATA", PCI_SUBCLASS_MASS_STORAGE_ATA, 135 pci_interface_ata, }, 136 { "SATA", PCI_SUBCLASS_MASS_STORAGE_SATA, 137 pci_interface_sata, }, 138 { "SAS", PCI_SUBCLASS_MASS_STORAGE_SAS, NULL, }, 139 { "Flash", PCI_SUBCLASS_MASS_STORAGE_NVM, 140 pci_interface_nvm, }, 141 { "miscellaneous", PCI_SUBCLASS_MASS_STORAGE_MISC, NULL, }, 142 { NULL, 0, NULL, }, 143 }; 144 145 /* 146 * Class 0x02. 147 * Network controller. 148 */ 149 static const struct pci_class pci_subclass_network[] = { 150 { "ethernet", PCI_SUBCLASS_NETWORK_ETHERNET, NULL, }, 151 { "token ring", PCI_SUBCLASS_NETWORK_TOKENRING, NULL, }, 152 { "FDDI", PCI_SUBCLASS_NETWORK_FDDI, NULL, }, 153 { "ATM", PCI_SUBCLASS_NETWORK_ATM, NULL, }, 154 { "ISDN", PCI_SUBCLASS_NETWORK_ISDN, NULL, }, 155 { "WorldFip", PCI_SUBCLASS_NETWORK_WORLDFIP, NULL, }, 156 { "PCMIG Multi Computing", PCI_SUBCLASS_NETWORK_PCIMGMULTICOMP, NULL, }, 157 { "miscellaneous", PCI_SUBCLASS_NETWORK_MISC, NULL, }, 158 { NULL, 0, NULL, }, 159 }; 160 161 /* 162 * Class 0x03. 163 * Display controller. 164 */ 165 166 /* VGA programming interface */ 167 static const struct pci_class pci_interface_vga[] = { 168 { "", PCI_INTERFACE_VGA_VGA, NULL, }, 169 { "8514-compat", PCI_INTERFACE_VGA_8514, NULL, }, 170 { NULL, 0, NULL, }, 171 }; 172 /* Subclasses */ 173 static const struct pci_class pci_subclass_display[] = { 174 { "VGA", PCI_SUBCLASS_DISPLAY_VGA, pci_interface_vga,}, 175 { "XGA", PCI_SUBCLASS_DISPLAY_XGA, NULL, }, 176 { "3D", PCI_SUBCLASS_DISPLAY_3D, NULL, }, 177 { "miscellaneous", PCI_SUBCLASS_DISPLAY_MISC, NULL, }, 178 { NULL, 0, NULL, }, 179 }; 180 181 /* 182 * Class 0x04. 183 * Multimedia device. 184 */ 185 static const struct pci_class pci_subclass_multimedia[] = { 186 { "video", PCI_SUBCLASS_MULTIMEDIA_VIDEO, NULL, }, 187 { "audio", PCI_SUBCLASS_MULTIMEDIA_AUDIO, NULL, }, 188 { "telephony", PCI_SUBCLASS_MULTIMEDIA_TELEPHONY, NULL,}, 189 { "mixed mode", PCI_SUBCLASS_MULTIMEDIA_HDAUDIO, NULL, }, 190 { "miscellaneous", PCI_SUBCLASS_MULTIMEDIA_MISC, NULL, }, 191 { NULL, 0, NULL, }, 192 }; 193 194 /* 195 * Class 0x05. 196 * Memory controller. 197 */ 198 static const struct pci_class pci_subclass_memory[] = { 199 { "RAM", PCI_SUBCLASS_MEMORY_RAM, NULL, }, 200 { "flash", PCI_SUBCLASS_MEMORY_FLASH, NULL, }, 201 { "miscellaneous", PCI_SUBCLASS_MEMORY_MISC, NULL, }, 202 { NULL, 0, NULL, }, 203 }; 204 205 /* 206 * Class 0x06. 207 * Bridge device. 208 */ 209 210 /* PCI bridge programming interface */ 211 static const struct pci_class pci_interface_pcibridge[] = { 212 { "", PCI_INTERFACE_BRIDGE_PCI_PCI, NULL, }, 213 { "subtractive decode", PCI_INTERFACE_BRIDGE_PCI_SUBDEC, NULL, }, 214 { NULL, 0, NULL, }, 215 }; 216 217 /* Semi-transparent PCI-to-PCI bridge programming interface */ 218 static const struct pci_class pci_interface_stpci[] = { 219 { "primary side facing host", PCI_INTERFACE_STPCI_PRIMARY, NULL, }, 220 { "secondary side facing host", PCI_INTERFACE_STPCI_SECONDARY, NULL, }, 221 { NULL, 0, NULL, }, 222 }; 223 224 /* Advanced Switching programming interface */ 225 static const struct pci_class pci_interface_advsw[] = { 226 { "custom interface", PCI_INTERFACE_ADVSW_CUSTOM, NULL, }, 227 { "ASI-SIG", PCI_INTERFACE_ADVSW_ASISIG, NULL, }, 228 { NULL, 0, NULL, }, 229 }; 230 231 /* Subclasses */ 232 static const struct pci_class pci_subclass_bridge[] = { 233 { "host", PCI_SUBCLASS_BRIDGE_HOST, NULL, }, 234 { "ISA", PCI_SUBCLASS_BRIDGE_ISA, NULL, }, 235 { "EISA", PCI_SUBCLASS_BRIDGE_EISA, NULL, }, 236 { "MicroChannel", PCI_SUBCLASS_BRIDGE_MC, NULL, }, 237 { "PCI", PCI_SUBCLASS_BRIDGE_PCI, 238 pci_interface_pcibridge, }, 239 { "PCMCIA", PCI_SUBCLASS_BRIDGE_PCMCIA, NULL, }, 240 { "NuBus", PCI_SUBCLASS_BRIDGE_NUBUS, NULL, }, 241 { "CardBus", PCI_SUBCLASS_BRIDGE_CARDBUS, NULL, }, 242 { "RACEway", PCI_SUBCLASS_BRIDGE_RACEWAY, NULL, }, 243 { "Semi-transparent PCI", PCI_SUBCLASS_BRIDGE_STPCI, 244 pci_interface_stpci, }, 245 { "InfiniBand", PCI_SUBCLASS_BRIDGE_INFINIBAND, NULL, }, 246 { "advanced switching", PCI_SUBCLASS_BRIDGE_ADVSW, 247 pci_interface_advsw, }, 248 { "miscellaneous", PCI_SUBCLASS_BRIDGE_MISC, NULL, }, 249 { NULL, 0, NULL, }, 250 }; 251 252 /* 253 * Class 0x07. 254 * Simple communications controller. 255 */ 256 257 /* Serial controller programming interface */ 258 static const struct pci_class pci_interface_serial[] = { 259 { "generic XT-compat", PCI_INTERFACE_SERIAL_XT, NULL, }, 260 { "16450-compat", PCI_INTERFACE_SERIAL_16450, NULL, }, 261 { "16550-compat", PCI_INTERFACE_SERIAL_16550, NULL, }, 262 { "16650-compat", PCI_INTERFACE_SERIAL_16650, NULL, }, 263 { "16750-compat", PCI_INTERFACE_SERIAL_16750, NULL, }, 264 { "16850-compat", PCI_INTERFACE_SERIAL_16850, NULL, }, 265 { "16950-compat", PCI_INTERFACE_SERIAL_16950, NULL, }, 266 { NULL, 0, NULL, }, 267 }; 268 269 /* Parallel controller programming interface */ 270 static const struct pci_class pci_interface_parallel[] = { 271 { "", PCI_INTERFACE_PARALLEL, NULL,}, 272 { "bi-directional", PCI_INTERFACE_PARALLEL_BIDIRECTIONAL, NULL,}, 273 { "ECP 1.X-compat", PCI_INTERFACE_PARALLEL_ECP1X, NULL,}, 274 { "IEEE1284 controller", PCI_INTERFACE_PARALLEL_IEEE1284_CNTRL, NULL,}, 275 { "IEEE1284 target", PCI_INTERFACE_PARALLEL_IEEE1284_TGT, NULL,}, 276 { NULL, 0, NULL,}, 277 }; 278 279 /* Modem programming interface */ 280 static const struct pci_class pci_interface_modem[] = { 281 { "", PCI_INTERFACE_MODEM, NULL,}, 282 { "Hayes&16450-compat", PCI_INTERFACE_MODEM_HAYES16450, NULL,}, 283 { "Hayes&16550-compat", PCI_INTERFACE_MODEM_HAYES16550, NULL,}, 284 { "Hayes&16650-compat", PCI_INTERFACE_MODEM_HAYES16650, NULL,}, 285 { "Hayes&16750-compat", PCI_INTERFACE_MODEM_HAYES16750, NULL,}, 286 { NULL, 0, NULL,}, 287 }; 288 289 /* Subclasses */ 290 static const struct pci_class pci_subclass_communications[] = { 291 { "serial", PCI_SUBCLASS_COMMUNICATIONS_SERIAL, 292 pci_interface_serial, }, 293 { "parallel", PCI_SUBCLASS_COMMUNICATIONS_PARALLEL, 294 pci_interface_parallel, }, 295 { "multi-port serial", PCI_SUBCLASS_COMMUNICATIONS_MPSERIAL, NULL,}, 296 { "modem", PCI_SUBCLASS_COMMUNICATIONS_MODEM, 297 pci_interface_modem, }, 298 { "GPIB", PCI_SUBCLASS_COMMUNICATIONS_GPIB, NULL,}, 299 { "smartcard", PCI_SUBCLASS_COMMUNICATIONS_SMARTCARD, NULL,}, 300 { "miscellaneous", PCI_SUBCLASS_COMMUNICATIONS_MISC, NULL,}, 301 { NULL, 0, NULL,}, 302 }; 303 304 /* 305 * Class 0x08. 306 * Base system peripheral. 307 */ 308 309 /* PIC programming interface */ 310 static const struct pci_class pci_interface_pic[] = { 311 { "generic 8259", PCI_INTERFACE_PIC_8259, NULL, }, 312 { "ISA PIC", PCI_INTERFACE_PIC_ISA, NULL, }, 313 { "EISA PIC", PCI_INTERFACE_PIC_EISA, NULL, }, 314 { "IO APIC", PCI_INTERFACE_PIC_IOAPIC, NULL, }, 315 { "IO(x) APIC", PCI_INTERFACE_PIC_IOXAPIC, NULL, }, 316 { NULL, 0, NULL, }, 317 }; 318 319 /* DMA programming interface */ 320 static const struct pci_class pci_interface_dma[] = { 321 { "generic 8237", PCI_INTERFACE_DMA_8237, NULL, }, 322 { "ISA", PCI_INTERFACE_DMA_ISA, NULL, }, 323 { "EISA", PCI_INTERFACE_DMA_EISA, NULL, }, 324 { NULL, 0, NULL, }, 325 }; 326 327 /* Timer programming interface */ 328 static const struct pci_class pci_interface_tmr[] = { 329 { "generic 8254", PCI_INTERFACE_TIMER_8254, NULL, }, 330 { "ISA", PCI_INTERFACE_TIMER_ISA, NULL, }, 331 { "EISA", PCI_INTERFACE_TIMER_EISA, NULL, }, 332 { "HPET", PCI_INTERFACE_TIMER_HPET, NULL, }, 333 { NULL, 0, NULL, }, 334 }; 335 336 /* RTC programming interface */ 337 static const struct pci_class pci_interface_rtc[] = { 338 { "generic", PCI_INTERFACE_RTC_GENERIC, NULL, }, 339 { "ISA", PCI_INTERFACE_RTC_ISA, NULL, }, 340 { NULL, 0, NULL, }, 341 }; 342 343 /* Subclasses */ 344 static const struct pci_class pci_subclass_system[] = { 345 { "interrupt", PCI_SUBCLASS_SYSTEM_PIC, pci_interface_pic,}, 346 { "DMA", PCI_SUBCLASS_SYSTEM_DMA, pci_interface_dma,}, 347 { "timer", PCI_SUBCLASS_SYSTEM_TIMER, pci_interface_tmr,}, 348 { "RTC", PCI_SUBCLASS_SYSTEM_RTC, pci_interface_rtc,}, 349 { "PCI Hot-Plug", PCI_SUBCLASS_SYSTEM_PCIHOTPLUG, NULL, }, 350 { "SD Host Controller", PCI_SUBCLASS_SYSTEM_SDHC, NULL, }, 351 { "IOMMU", PCI_SUBCLASS_SYSTEM_IOMMU, NULL, }, 352 { "Root Complex Event Collector", PCI_SUBCLASS_SYSTEM_RCEC, NULL, }, 353 { "miscellaneous", PCI_SUBCLASS_SYSTEM_MISC, NULL, }, 354 { NULL, 0, NULL, }, 355 }; 356 357 /* 358 * Class 0x09. 359 * Input device. 360 */ 361 362 /* Gameport programming interface */ 363 static const struct pci_class pci_interface_game[] = { 364 { "generic", PCI_INTERFACE_GAMEPORT_GENERIC, NULL, }, 365 { "legacy", PCI_INTERFACE_GAMEPORT_LEGACY, NULL, }, 366 { NULL, 0, NULL, }, 367 }; 368 369 /* Subclasses */ 370 static const struct pci_class pci_subclass_input[] = { 371 { "keyboard", PCI_SUBCLASS_INPUT_KEYBOARD, NULL, }, 372 { "digitizer", PCI_SUBCLASS_INPUT_DIGITIZER, NULL, }, 373 { "mouse", PCI_SUBCLASS_INPUT_MOUSE, NULL, }, 374 { "scanner", PCI_SUBCLASS_INPUT_SCANNER, NULL, }, 375 { "game port", PCI_SUBCLASS_INPUT_GAMEPORT, 376 pci_interface_game, }, 377 { "miscellaneous", PCI_SUBCLASS_INPUT_MISC, NULL, }, 378 { NULL, 0, NULL, }, 379 }; 380 381 /* 382 * Class 0x0a. 383 * Docking station. 384 */ 385 static const struct pci_class pci_subclass_dock[] = { 386 { "generic", PCI_SUBCLASS_DOCK_GENERIC, NULL, }, 387 { "miscellaneous", PCI_SUBCLASS_DOCK_MISC, NULL, }, 388 { NULL, 0, NULL, }, 389 }; 390 391 /* 392 * Class 0x0b. 393 * Processor. 394 */ 395 static const struct pci_class pci_subclass_processor[] = { 396 { "386", PCI_SUBCLASS_PROCESSOR_386, NULL, }, 397 { "486", PCI_SUBCLASS_PROCESSOR_486, NULL, }, 398 { "Pentium", PCI_SUBCLASS_PROCESSOR_PENTIUM, NULL, }, 399 { "Alpha", PCI_SUBCLASS_PROCESSOR_ALPHA, NULL, }, 400 { "PowerPC", PCI_SUBCLASS_PROCESSOR_POWERPC, NULL, }, 401 { "MIPS", PCI_SUBCLASS_PROCESSOR_MIPS, NULL, }, 402 { "Co-processor", PCI_SUBCLASS_PROCESSOR_COPROC, NULL, }, 403 { "miscellaneous", PCI_SUBCLASS_PROCESSOR_MISC, NULL, }, 404 { NULL, 0, NULL, }, 405 }; 406 407 /* 408 * Class 0x0c. 409 * Serial bus controller. 410 */ 411 412 /* IEEE1394 programming interface */ 413 static const struct pci_class pci_interface_ieee1394[] = { 414 { "Firewire", PCI_INTERFACE_IEEE1394_FIREWIRE, NULL,}, 415 { "OpenHCI", PCI_INTERFACE_IEEE1394_OPENHCI, NULL,}, 416 { NULL, 0, NULL,}, 417 }; 418 419 /* USB programming interface */ 420 static const struct pci_class pci_interface_usb[] = { 421 { "UHCI", PCI_INTERFACE_USB_UHCI, NULL, }, 422 { "OHCI", PCI_INTERFACE_USB_OHCI, NULL, }, 423 { "EHCI", PCI_INTERFACE_USB_EHCI, NULL, }, 424 { "xHCI", PCI_INTERFACE_USB_XHCI, NULL, }, 425 { "other HC", PCI_INTERFACE_USB_OTHERHC, NULL, }, 426 { "device", PCI_INTERFACE_USB_DEVICE, NULL, }, 427 { NULL, 0, NULL, }, 428 }; 429 430 /* IPMI programming interface */ 431 static const struct pci_class pci_interface_ipmi[] = { 432 { "SMIC", PCI_INTERFACE_IPMI_SMIC, NULL,}, 433 { "keyboard", PCI_INTERFACE_IPMI_KBD, NULL,}, 434 { "block transfer", PCI_INTERFACE_IPMI_BLOCKXFER, NULL,}, 435 { NULL, 0, NULL,}, 436 }; 437 438 /* Subclasses */ 439 static const struct pci_class pci_subclass_serialbus[] = { 440 { "IEEE1394", PCI_SUBCLASS_SERIALBUS_FIREWIRE, 441 pci_interface_ieee1394, }, 442 { "ACCESS.bus", PCI_SUBCLASS_SERIALBUS_ACCESS, NULL, }, 443 { "SSA", PCI_SUBCLASS_SERIALBUS_SSA, NULL, }, 444 { "USB", PCI_SUBCLASS_SERIALBUS_USB, 445 pci_interface_usb, }, 446 /* XXX Fiber Channel/_FIBRECHANNEL */ 447 { "Fiber Channel", PCI_SUBCLASS_SERIALBUS_FIBER, NULL, }, 448 { "SMBus", PCI_SUBCLASS_SERIALBUS_SMBUS, NULL, }, 449 { "InfiniBand", PCI_SUBCLASS_SERIALBUS_INFINIBAND, NULL,}, 450 { "IPMI", PCI_SUBCLASS_SERIALBUS_IPMI, 451 pci_interface_ipmi, }, 452 { "SERCOS", PCI_SUBCLASS_SERIALBUS_SERCOS, NULL, }, 453 { "CANbus", PCI_SUBCLASS_SERIALBUS_CANBUS, NULL, }, 454 { "miscellaneous", PCI_SUBCLASS_SERIALBUS_MISC, NULL, }, 455 { NULL, 0, NULL, }, 456 }; 457 458 /* 459 * Class 0x0d. 460 * Wireless Controller. 461 */ 462 static const struct pci_class pci_subclass_wireless[] = { 463 { "IrDA", PCI_SUBCLASS_WIRELESS_IRDA, NULL, }, 464 { "Consumer IR",/*XXX*/ PCI_SUBCLASS_WIRELESS_CONSUMERIR, NULL, }, 465 { "RF", PCI_SUBCLASS_WIRELESS_RF, NULL, }, 466 { "bluetooth", PCI_SUBCLASS_WIRELESS_BLUETOOTH, NULL, }, 467 { "broadband", PCI_SUBCLASS_WIRELESS_BROADBAND, NULL, }, 468 { "802.11a (5 GHz)", PCI_SUBCLASS_WIRELESS_802_11A, NULL, }, 469 { "802.11b (2.4 GHz)", PCI_SUBCLASS_WIRELESS_802_11B, NULL, }, 470 { "miscellaneous", PCI_SUBCLASS_WIRELESS_MISC, NULL, }, 471 { NULL, 0, NULL, }, 472 }; 473 474 /* 475 * Class 0x0e. 476 * Intelligent IO controller. 477 */ 478 479 /* Intelligent IO programming interface */ 480 static const struct pci_class pci_interface_i2o[] = { 481 { "FIFO at offset 0x40", PCI_INTERFACE_I2O_FIFOAT40, NULL,}, 482 { NULL, 0, NULL,}, 483 }; 484 485 /* Subclasses */ 486 static const struct pci_class pci_subclass_i2o[] = { 487 { "standard", PCI_SUBCLASS_I2O_STANDARD, pci_interface_i2o,}, 488 { "miscellaneous", PCI_SUBCLASS_I2O_MISC, NULL, }, 489 { NULL, 0, NULL, }, 490 }; 491 492 /* 493 * Class 0x0f. 494 * Satellite communication controller. 495 */ 496 static const struct pci_class pci_subclass_satcom[] = { 497 { "TV", PCI_SUBCLASS_SATCOM_TV, NULL, }, 498 { "audio", PCI_SUBCLASS_SATCOM_AUDIO, NULL, }, 499 { "voice", PCI_SUBCLASS_SATCOM_VOICE, NULL, }, 500 { "data", PCI_SUBCLASS_SATCOM_DATA, NULL, }, 501 { "miscellaneous", PCI_SUBCLASS_SATCOM_MISC, NULL, }, 502 { NULL, 0, NULL, }, 503 }; 504 505 /* 506 * Class 0x10. 507 * Encryption/Decryption controller. 508 */ 509 static const struct pci_class pci_subclass_crypto[] = { 510 { "network/computing", PCI_SUBCLASS_CRYPTO_NETCOMP, NULL, }, 511 { "entertainment", PCI_SUBCLASS_CRYPTO_ENTERTAINMENT, NULL,}, 512 { "miscellaneous", PCI_SUBCLASS_CRYPTO_MISC, NULL, }, 513 { NULL, 0, NULL, }, 514 }; 515 516 /* 517 * Class 0x11. 518 * Data aquuisition and signal processing controller. 519 */ 520 static const struct pci_class pci_subclass_dasp[] = { 521 { "DPIO", PCI_SUBCLASS_DASP_DPIO, NULL, }, 522 { "performance counters", PCI_SUBCLASS_DASP_TIMEFREQ, NULL, }, 523 { "synchronization", PCI_SUBCLASS_DASP_SYNC, NULL, }, 524 { "management", PCI_SUBCLASS_DASP_MGMT, NULL, }, 525 { "miscellaneous", PCI_SUBCLASS_DASP_MISC, NULL, }, 526 { NULL, 0, NULL, }, 527 }; 528 529 /* List of classes */ 530 static const struct pci_class pci_classes[] = { 531 { "prehistoric", PCI_CLASS_PREHISTORIC, 532 pci_subclass_prehistoric, }, 533 { "mass storage", PCI_CLASS_MASS_STORAGE, 534 pci_subclass_mass_storage, }, 535 { "network", PCI_CLASS_NETWORK, 536 pci_subclass_network, }, 537 { "display", PCI_CLASS_DISPLAY, 538 pci_subclass_display, }, 539 { "multimedia", PCI_CLASS_MULTIMEDIA, 540 pci_subclass_multimedia, }, 541 { "memory", PCI_CLASS_MEMORY, 542 pci_subclass_memory, }, 543 { "bridge", PCI_CLASS_BRIDGE, 544 pci_subclass_bridge, }, 545 { "communications", PCI_CLASS_COMMUNICATIONS, 546 pci_subclass_communications, }, 547 { "system", PCI_CLASS_SYSTEM, 548 pci_subclass_system, }, 549 { "input", PCI_CLASS_INPUT, 550 pci_subclass_input, }, 551 { "dock", PCI_CLASS_DOCK, 552 pci_subclass_dock, }, 553 { "processor", PCI_CLASS_PROCESSOR, 554 pci_subclass_processor, }, 555 { "serial bus", PCI_CLASS_SERIALBUS, 556 pci_subclass_serialbus, }, 557 { "wireless", PCI_CLASS_WIRELESS, 558 pci_subclass_wireless, }, 559 { "I2O", PCI_CLASS_I2O, 560 pci_subclass_i2o, }, 561 { "satellite comm", PCI_CLASS_SATCOM, 562 pci_subclass_satcom, }, 563 { "crypto", PCI_CLASS_CRYPTO, 564 pci_subclass_crypto, }, 565 { "DASP", PCI_CLASS_DASP, 566 pci_subclass_dasp, }, 567 { "processing accelerators", PCI_CLASS_ACCEL, 568 NULL, }, 569 { "non-essential instrumentation", PCI_CLASS_INSTRUMENT, 570 NULL, }, 571 { "undefined", PCI_CLASS_UNDEFINED, 572 NULL, }, 573 { NULL, 0, 574 NULL, }, 575 }; 576 577 DEV_VERBOSE_DEFINE(pci); 578 579 /* 580 * Append a formatted string to dest without writing more than len 581 * characters (including the trailing NUL character). dest and len 582 * are updated for use in subsequent calls to snappendf(). 583 * 584 * Returns 0 on success, a negative value if vnsprintf() fails, or 585 * a positive value if the dest buffer would have overflowed. 586 */ 587 588 static int __printflike(3,4) 589 snappendf(char **dest, size_t *len, const char * restrict fmt, ...) 590 { 591 va_list ap; 592 int count; 593 594 va_start(ap, fmt); 595 count = vsnprintf(*dest, *len, fmt, ap); 596 va_end(ap); 597 598 /* Let vsnprintf() errors bubble up to caller */ 599 if (count < 0 || *len == 0) 600 return count; 601 602 /* Handle overflow */ 603 if ((size_t)count >= *len) { 604 *dest += *len - 1; 605 *len = 1; 606 return 1; 607 } 608 609 /* Update dest & len to point at trailing NUL */ 610 *dest += count; 611 *len -= count; 612 613 return 0; 614 } 615 616 void 617 pci_devinfo(pcireg_t id_reg, pcireg_t class_reg, int showclass, char *cp, 618 size_t l) 619 { 620 pci_class_t class; 621 pci_subclass_t subclass; 622 pci_interface_t interface; 623 pci_revision_t revision; 624 char vendor[PCI_VENDORSTR_LEN], product[PCI_PRODUCTSTR_LEN]; 625 const struct pci_class *classp, *subclassp, *interfacep; 626 627 class = PCI_CLASS(class_reg); 628 subclass = PCI_SUBCLASS(class_reg); 629 interface = PCI_INTERFACE(class_reg); 630 revision = PCI_REVISION(class_reg); 631 632 pci_findvendor(vendor, sizeof(vendor), PCI_VENDOR(id_reg)); 633 pci_findproduct(product, sizeof(product), PCI_VENDOR(id_reg), 634 PCI_PRODUCT(id_reg)); 635 636 classp = pci_classes; 637 while (classp->name != NULL) { 638 if (class == classp->val) 639 break; 640 classp++; 641 } 642 643 subclassp = (classp->name != NULL) ? classp->subclasses : NULL; 644 while (subclassp && subclassp->name != NULL) { 645 if (subclass == subclassp->val) 646 break; 647 subclassp++; 648 } 649 650 interfacep = (subclassp && subclassp->name != NULL) ? 651 subclassp->subclasses : NULL; 652 while (interfacep && interfacep->name != NULL) { 653 if (interface == interfacep->val) 654 break; 655 interfacep++; 656 } 657 658 (void)snappendf(&cp, &l, "%s %s", vendor, product); 659 if (showclass) { 660 (void)snappendf(&cp, &l, " ("); 661 if (classp->name == NULL) 662 (void)snappendf(&cp, &l, 663 "class 0x%02x, subclass 0x%02x", 664 class, subclass); 665 else { 666 if (subclassp == NULL || subclassp->name == NULL) 667 (void)snappendf(&cp, &l, 668 "%s, subclass 0x%02x", 669 classp->name, subclass); 670 else 671 (void)snappendf(&cp, &l, "%s %s", 672 subclassp->name, classp->name); 673 } 674 if ((interfacep == NULL) || (interfacep->name == NULL)) { 675 if (interface != 0) 676 (void)snappendf(&cp, &l, ", interface 0x%02x", 677 interface); 678 } else if (strncmp(interfacep->name, "", 1) != 0) 679 (void)snappendf(&cp, &l, ", %s", interfacep->name); 680 if (revision != 0) 681 (void)snappendf(&cp, &l, ", revision 0x%02x", revision); 682 (void)snappendf(&cp, &l, ")"); 683 } 684 } 685 686 #ifdef _KERNEL 687 void 688 pci_aprint_devinfo_fancy(const struct pci_attach_args *pa, const char *naive, 689 const char *known, int addrev) 690 { 691 char devinfo[256]; 692 693 if (known) { 694 aprint_normal(": %s", known); 695 if (addrev) 696 aprint_normal(" (rev. 0x%02x)", 697 PCI_REVISION(pa->pa_class)); 698 aprint_normal("\n"); 699 } else { 700 pci_devinfo(pa->pa_id, pa->pa_class, 0, 701 devinfo, sizeof(devinfo)); 702 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, 703 PCI_REVISION(pa->pa_class)); 704 } 705 if (naive) 706 aprint_naive(": %s\n", naive); 707 else 708 aprint_naive("\n"); 709 } 710 #endif 711 712 /* 713 * Print out most of the PCI configuration registers. Typically used 714 * in a device attach routine like this: 715 * 716 * #ifdef MYDEV_DEBUG 717 * printf("%s: ", device_xname(sc->sc_dev)); 718 * pci_conf_print(pa->pa_pc, pa->pa_tag, NULL); 719 * #endif 720 */ 721 722 #define i2o(i) ((i) * 4) 723 #define o2i(o) ((o) / 4) 724 #define onoff2(str, rval, bit, onstr, offstr) \ 725 printf(" %s: %s\n", (str), ((rval) & (bit)) ? onstr : offstr); 726 #define onoff(str, rval, bit) onoff2(str, rval, bit, "on", "off") 727 728 static void 729 pci_conf_print_common( 730 #ifdef _KERNEL 731 pci_chipset_tag_t pc, pcitag_t tag, 732 #endif 733 const pcireg_t *regs) 734 { 735 pci_class_t class; 736 pci_subclass_t subclass; 737 pci_interface_t interface; 738 pci_revision_t revision; 739 char vendor[PCI_VENDORSTR_LEN], product[PCI_PRODUCTSTR_LEN]; 740 const struct pci_class *classp, *subclassp, *interfacep; 741 const char *name; 742 pcireg_t rval; 743 unsigned int num; 744 745 rval = regs[o2i(PCI_CLASS_REG)]; 746 class = PCI_CLASS(rval); 747 subclass = PCI_SUBCLASS(rval); 748 interface = PCI_INTERFACE(rval); 749 revision = PCI_REVISION(rval); 750 751 rval = regs[o2i(PCI_ID_REG)]; 752 name = pci_findvendor(vendor, sizeof(vendor), PCI_VENDOR(rval)); 753 if (name) 754 printf(" Vendor Name: %s (0x%04x)\n", name, 755 PCI_VENDOR(rval)); 756 else 757 printf(" Vendor ID: 0x%04x\n", PCI_VENDOR(rval)); 758 name = pci_findproduct(product, sizeof(product), PCI_VENDOR(rval), 759 PCI_PRODUCT(rval)); 760 if (name) 761 printf(" Device Name: %s (0x%04x)\n", name, 762 PCI_PRODUCT(rval)); 763 else 764 printf(" Device ID: 0x%04x\n", PCI_PRODUCT(rval)); 765 766 rval = regs[o2i(PCI_COMMAND_STATUS_REG)]; 767 768 printf(" Command register: 0x%04x\n", rval & 0xffff); 769 onoff("I/O space accesses", rval, PCI_COMMAND_IO_ENABLE); 770 onoff("Memory space accesses", rval, PCI_COMMAND_MEM_ENABLE); 771 onoff("Bus mastering", rval, PCI_COMMAND_MASTER_ENABLE); 772 onoff("Special cycles", rval, PCI_COMMAND_SPECIAL_ENABLE); 773 onoff("MWI transactions", rval, PCI_COMMAND_INVALIDATE_ENABLE); 774 onoff("Palette snooping", rval, PCI_COMMAND_PALETTE_ENABLE); 775 onoff("Parity error checking", rval, PCI_COMMAND_PARITY_ENABLE); 776 onoff("Address/data stepping", rval, PCI_COMMAND_STEPPING_ENABLE); 777 onoff("System error (SERR)", rval, PCI_COMMAND_SERR_ENABLE); 778 onoff("Fast back-to-back transactions", rval, 779 PCI_COMMAND_BACKTOBACK_ENABLE); 780 onoff("Interrupt disable", rval, PCI_COMMAND_INTERRUPT_DISABLE); 781 782 printf(" Status register: 0x%04x\n", (rval >> 16) & 0xffff); 783 onoff("Immediate Readiness", rval, PCI_STATUS_IMMD_READNESS); 784 onoff2("Interrupt status", rval, PCI_STATUS_INT_STATUS, "active", 785 "inactive"); 786 onoff("Capability List support", rval, PCI_STATUS_CAPLIST_SUPPORT); 787 onoff("66 MHz capable", rval, PCI_STATUS_66MHZ_SUPPORT); 788 onoff("User Definable Features (UDF) support", rval, 789 PCI_STATUS_UDF_SUPPORT); 790 onoff("Fast back-to-back capable", rval, 791 PCI_STATUS_BACKTOBACK_SUPPORT); 792 onoff("Data parity error detected", rval, PCI_STATUS_PARITY_ERROR); 793 794 printf(" DEVSEL timing: "); 795 switch (rval & PCI_STATUS_DEVSEL_MASK) { 796 case PCI_STATUS_DEVSEL_FAST: 797 printf("fast"); 798 break; 799 case PCI_STATUS_DEVSEL_MEDIUM: 800 printf("medium"); 801 break; 802 case PCI_STATUS_DEVSEL_SLOW: 803 printf("slow"); 804 break; 805 default: 806 printf("unknown/reserved"); /* XXX */ 807 break; 808 } 809 printf(" (0x%x)\n", __SHIFTOUT(rval, PCI_STATUS_DEVSEL_MASK)); 810 811 onoff("Slave signaled Target Abort", rval, 812 PCI_STATUS_TARGET_TARGET_ABORT); 813 onoff("Master received Target Abort", rval, 814 PCI_STATUS_MASTER_TARGET_ABORT); 815 onoff("Master received Master Abort", rval, PCI_STATUS_MASTER_ABORT); 816 onoff("Asserted System Error (SERR)", rval, PCI_STATUS_SPECIAL_ERROR); 817 onoff("Parity error detected", rval, PCI_STATUS_PARITY_DETECT); 818 819 rval = regs[o2i(PCI_CLASS_REG)]; 820 for (classp = pci_classes; classp->name != NULL; classp++) { 821 if (class == classp->val) 822 break; 823 } 824 825 /* 826 * ECN: Change Root Complex Event Collector Class Code 827 * Old RCEC has subclass 0x06. It's the same as IOMMU. Read the type 828 * in PCIe extend capability to know whether it's RCEC or IOMMU. 829 */ 830 if ((class == PCI_CLASS_SYSTEM) 831 && (subclass == PCI_SUBCLASS_SYSTEM_IOMMU)) { 832 int pcie_capoff; 833 pcireg_t reg; 834 835 if (pci_conf_find_cap(regs, PCI_CAP_PCIEXPRESS, &pcie_capoff)) { 836 reg = regs[o2i(pcie_capoff + PCIE_XCAP)]; 837 if (PCIE_XCAP_TYPE(reg) == PCIE_XCAP_TYPE_ROOT_EVNTC) 838 subclass = PCI_SUBCLASS_SYSTEM_RCEC; 839 } 840 } 841 subclassp = (classp->name != NULL) ? classp->subclasses : NULL; 842 while (subclassp && subclassp->name != NULL) { 843 if (subclass == subclassp->val) 844 break; 845 subclassp++; 846 } 847 848 interfacep = (subclassp && subclassp->name != NULL) ? 849 subclassp->subclasses : NULL; 850 while (interfacep && interfacep->name != NULL) { 851 if (interface == interfacep->val) 852 break; 853 interfacep++; 854 } 855 856 if (classp->name != NULL) 857 printf(" Class Name: %s (0x%02x)\n", classp->name, class); 858 else 859 printf(" Class ID: 0x%02x\n", class); 860 if (subclassp != NULL && subclassp->name != NULL) 861 printf(" Subclass Name: %s (0x%02x)\n", 862 subclassp->name, PCI_SUBCLASS(rval)); 863 else 864 printf(" Subclass ID: 0x%02x\n", PCI_SUBCLASS(rval)); 865 if ((interfacep != NULL) && (interfacep->name != NULL) 866 && (strncmp(interfacep->name, "", 1) != 0)) 867 printf(" Interface Name: %s (0x%02x)\n", 868 interfacep->name, interface); 869 else 870 printf(" Interface: 0x%02x\n", interface); 871 printf(" Revision ID: 0x%02x\n", revision); 872 873 rval = regs[o2i(PCI_BHLC_REG)]; 874 printf(" BIST: 0x%02x\n", PCI_BIST(rval)); 875 printf(" Header Type: 0x%02x%s (0x%02x)\n", PCI_HDRTYPE_TYPE(rval), 876 PCI_HDRTYPE_MULTIFN(rval) ? "+multifunction" : "", 877 PCI_HDRTYPE(rval)); 878 printf(" Latency Timer: 0x%02x\n", PCI_LATTIMER(rval)); 879 num = PCI_CACHELINE(rval); 880 printf(" Cache Line Size: %ubytes (0x%02x)\n", num * 4, num); 881 } 882 883 static int 884 pci_conf_print_bar( 885 #ifdef _KERNEL 886 pci_chipset_tag_t pc, pcitag_t tag, 887 #endif 888 const pcireg_t *regs, int reg, const char *name) 889 { 890 int width; 891 pcireg_t rval, rval64h; 892 bool ioen, memen; 893 #ifdef _KERNEL 894 pcireg_t mask, mask64h = 0; 895 #endif 896 897 rval = regs[o2i(PCI_COMMAND_STATUS_REG)]; 898 ioen = rval & PCI_COMMAND_IO_ENABLE; 899 memen = rval & PCI_COMMAND_MEM_ENABLE; 900 901 width = 4; 902 /* 903 * Section 6.2.5.1, `Address Maps', tells us that: 904 * 905 * 1) The builtin software should have already mapped the 906 * device in a reasonable way. 907 * 908 * 2) A device which wants 2^n bytes of memory will hardwire 909 * the bottom n bits of the address to 0. As recommended, 910 * we write all 1s and see what we get back. 911 */ 912 913 rval = regs[o2i(reg)]; 914 if (PCI_MAPREG_TYPE(rval) == PCI_MAPREG_TYPE_MEM && 915 PCI_MAPREG_MEM_TYPE(rval) == PCI_MAPREG_MEM_TYPE_64BIT) { 916 rval64h = regs[o2i(reg + 4)]; 917 width = 8; 918 } else 919 rval64h = 0; 920 921 #ifdef _KERNEL 922 if (rval != 0 && memen) { 923 int s; 924 925 /* 926 * The following sequence seems to make some devices 927 * (e.g. host bus bridges, which don't normally 928 * have their space mapped) very unhappy, to 929 * the point of crashing the system. 930 * 931 * Therefore, if the mapping register is zero to 932 * start out with, don't bother trying. 933 */ 934 s = splhigh(); 935 pci_conf_write(pc, tag, reg, 0xffffffff); 936 mask = pci_conf_read(pc, tag, reg); 937 pci_conf_write(pc, tag, reg, rval); 938 if (PCI_MAPREG_TYPE(rval) == PCI_MAPREG_TYPE_MEM && 939 PCI_MAPREG_MEM_TYPE(rval) == PCI_MAPREG_MEM_TYPE_64BIT) { 940 pci_conf_write(pc, tag, reg + 4, 0xffffffff); 941 mask64h = pci_conf_read(pc, tag, reg + 4); 942 pci_conf_write(pc, tag, reg + 4, rval64h); 943 } 944 splx(s); 945 } else 946 mask = mask64h = 0; 947 #endif /* _KERNEL */ 948 949 printf(" Base address register at 0x%02x", reg); 950 if (name) 951 printf(" (%s)", name); 952 printf("\n "); 953 if (rval == 0) { 954 printf("not implemented\n"); 955 return width; 956 } 957 printf("type: "); 958 if (PCI_MAPREG_TYPE(rval) == PCI_MAPREG_TYPE_MEM) { 959 const char *type, *prefetch; 960 961 switch (PCI_MAPREG_MEM_TYPE(rval)) { 962 case PCI_MAPREG_MEM_TYPE_32BIT: 963 type = "32-bit"; 964 break; 965 case PCI_MAPREG_MEM_TYPE_32BIT_1M: 966 type = "32-bit-1M"; 967 break; 968 case PCI_MAPREG_MEM_TYPE_64BIT: 969 type = "64-bit"; 970 break; 971 default: 972 type = "unknown (XXX)"; 973 break; 974 } 975 if (PCI_MAPREG_MEM_PREFETCHABLE(rval)) 976 prefetch = ""; 977 else 978 prefetch = "non"; 979 printf("%s %sprefetchable memory\n", type, prefetch); 980 switch (PCI_MAPREG_MEM_TYPE(rval)) { 981 case PCI_MAPREG_MEM_TYPE_64BIT: 982 printf(" base: 0x%016llx", 983 PCI_MAPREG_MEM64_ADDR( 984 ((((long long) rval64h) << 32) | rval))); 985 if (!memen) 986 printf(", disabled"); 987 printf("\n"); 988 #ifdef _KERNEL 989 printf(" size: 0x%016llx\n", 990 PCI_MAPREG_MEM64_SIZE( 991 ((((long long) mask64h) << 32) | mask))); 992 #endif 993 break; 994 case PCI_MAPREG_MEM_TYPE_32BIT: 995 case PCI_MAPREG_MEM_TYPE_32BIT_1M: 996 default: 997 printf(" base: 0x%08x", 998 PCI_MAPREG_MEM_ADDR(rval)); 999 if (!memen) 1000 printf(", disabled"); 1001 printf("\n"); 1002 #ifdef _KERNEL 1003 printf(" size: 0x%08x\n", 1004 PCI_MAPREG_MEM_SIZE(mask)); 1005 #endif 1006 break; 1007 } 1008 } else { 1009 #ifdef _KERNEL 1010 if (ioen) 1011 printf("%d-bit ", mask & ~0x0000ffff ? 32 : 16); 1012 #endif 1013 printf("I/O\n"); 1014 printf(" base: 0x%08x", PCI_MAPREG_IO_ADDR(rval)); 1015 if (!ioen) 1016 printf(", disabled"); 1017 printf("\n"); 1018 #ifdef _KERNEL 1019 printf(" size: 0x%08x\n", PCI_MAPREG_IO_SIZE(mask)); 1020 #endif 1021 } 1022 1023 return width; 1024 } 1025 1026 static void 1027 pci_conf_print_regs(const pcireg_t *regs, int first, int pastlast) 1028 { 1029 int off, needaddr, neednl; 1030 1031 needaddr = 1; 1032 neednl = 0; 1033 for (off = first; off < pastlast; off += 4) { 1034 if ((off % 16) == 0 || needaddr) { 1035 printf(" 0x%02x:", off); 1036 needaddr = 0; 1037 } 1038 printf(" 0x%08x", regs[o2i(off)]); 1039 neednl = 1; 1040 if ((off % 16) == 12) { 1041 printf("\n"); 1042 neednl = 0; 1043 } 1044 } 1045 if (neednl) 1046 printf("\n"); 1047 } 1048 1049 static const char * 1050 pci_conf_print_agp_calcycle(uint8_t cal) 1051 { 1052 1053 switch (cal) { 1054 case 0x0: 1055 return "4ms"; 1056 case 0x1: 1057 return "16ms"; 1058 case 0x2: 1059 return "64ms"; 1060 case 0x3: 1061 return "256ms"; 1062 case 0x7: 1063 return "Calibration Cycle Not Needed"; 1064 default: 1065 return "(reserved)"; 1066 } 1067 } 1068 1069 static void 1070 pci_conf_print_agp_datarate(pcireg_t reg, bool isagp3) 1071 { 1072 if (isagp3) { 1073 /* AGP 3.0 */ 1074 if (reg & AGP_MODE_V3_RATE_4x) 1075 printf("x4"); 1076 if (reg & AGP_MODE_V3_RATE_8x) 1077 printf("x8"); 1078 } else { 1079 /* AGP 2.0 */ 1080 if (reg & AGP_MODE_V2_RATE_1x) 1081 printf("x1"); 1082 if (reg & AGP_MODE_V2_RATE_2x) 1083 printf("x2"); 1084 if (reg & AGP_MODE_V2_RATE_4x) 1085 printf("x4"); 1086 } 1087 printf("\n"); 1088 } 1089 1090 static void 1091 pci_conf_print_agp_cap(const pcireg_t *regs, int capoff) 1092 { 1093 pcireg_t rval; 1094 bool isagp3; 1095 1096 printf("\n AGP Capabilities Register\n"); 1097 1098 rval = regs[o2i(capoff)]; 1099 printf(" Revision: %d.%d\n", 1100 PCI_CAP_AGP_MAJOR(rval), PCI_CAP_AGP_MINOR(rval)); 1101 1102 rval = regs[o2i(capoff + PCI_AGP_STATUS)]; 1103 printf(" Status register: 0x%04x\n", rval); 1104 printf(" RQ: %d\n", 1105 (unsigned int)__SHIFTOUT(rval, AGP_MODE_RQ) + 1); 1106 printf(" ARQSZ: %d\n", 1107 (unsigned int)__SHIFTOUT(rval, AGP_MODE_ARQSZ)); 1108 printf(" CAL cycle: %s\n", 1109 pci_conf_print_agp_calcycle(__SHIFTOUT(rval, AGP_MODE_CAL))); 1110 onoff("SBA", rval, AGP_MODE_SBA); 1111 onoff("htrans#", rval, AGP_MODE_HTRANS); 1112 onoff("Over 4G", rval, AGP_MODE_4G); 1113 onoff("Fast Write", rval, AGP_MODE_FW); 1114 onoff("AGP 3.0 Mode", rval, AGP_MODE_MODE_3); 1115 isagp3 = rval & AGP_MODE_MODE_3; 1116 printf(" Data Rate Support: "); 1117 pci_conf_print_agp_datarate(rval, isagp3); 1118 1119 rval = regs[o2i(capoff + PCI_AGP_COMMAND)]; 1120 printf(" Command register: 0x%08x\n", rval); 1121 printf(" PRQ: %d\n", 1122 (unsigned int)__SHIFTOUT(rval, AGP_MODE_RQ) + 1); 1123 printf(" PARQSZ: %d\n", 1124 (unsigned int)__SHIFTOUT(rval, AGP_MODE_ARQSZ)); 1125 printf(" PCAL cycle: %s\n", 1126 pci_conf_print_agp_calcycle(__SHIFTOUT(rval, AGP_MODE_CAL))); 1127 onoff("SBA", rval, AGP_MODE_SBA); 1128 onoff("AGP", rval, AGP_MODE_AGP); 1129 onoff("Over 4G", rval, AGP_MODE_4G); 1130 onoff("Fast Write", rval, AGP_MODE_FW); 1131 if (isagp3) { 1132 printf(" Data Rate Enable: "); 1133 /* 1134 * The Data Rate Enable bits are used only on 3.0 and the 1135 * Command register has no AGP_MODE_MODE_3 bit, so pass the 1136 * flag to print correctly. 1137 */ 1138 pci_conf_print_agp_datarate(rval, isagp3); 1139 } 1140 } 1141 1142 static const char * 1143 pci_conf_print_pcipm_cap_aux(uint16_t caps) 1144 { 1145 1146 switch ((caps >> 6) & 7) { 1147 case 0: return "self-powered"; 1148 case 1: return "55 mA"; 1149 case 2: return "100 mA"; 1150 case 3: return "160 mA"; 1151 case 4: return "220 mA"; 1152 case 5: return "270 mA"; 1153 case 6: return "320 mA"; 1154 case 7: 1155 default: return "375 mA"; 1156 } 1157 } 1158 1159 static const char * 1160 pci_conf_print_pcipm_cap_pmrev(uint8_t val) 1161 { 1162 static const char unk[] = "unknown"; 1163 static const char *pmrev[8] = { 1164 unk, "1.0", "1.1", "1.2", unk, unk, unk, unk 1165 }; 1166 if (val > 7) 1167 return unk; 1168 return pmrev[val]; 1169 } 1170 1171 static void 1172 pci_conf_print_pcipm_cap(const pcireg_t *regs, int capoff) 1173 { 1174 uint16_t caps, pmcsr; 1175 1176 caps = regs[o2i(capoff)] >> PCI_PMCR_SHIFT; 1177 pmcsr = regs[o2i(capoff + PCI_PMCSR)]; 1178 1179 printf("\n PCI Power Management Capabilities Register\n"); 1180 1181 printf(" Capabilities register: 0x%04x\n", caps); 1182 printf(" Version: %s\n", 1183 pci_conf_print_pcipm_cap_pmrev(caps & PCI_PMCR_VERSION_MASK)); 1184 onoff("PME# clock", caps, PCI_PMCR_PME_CLOCK); 1185 onoff("Device specific initialization", caps, PCI_PMCR_DSI); 1186 printf(" 3.3V auxiliary current: %s\n", 1187 pci_conf_print_pcipm_cap_aux(caps)); 1188 onoff("D1 power management state support", caps, PCI_PMCR_D1SUPP); 1189 onoff("D2 power management state support", caps, PCI_PMCR_D2SUPP); 1190 onoff("PME# support D0", caps, PCI_PMCR_PME_D0); 1191 onoff("PME# support D1", caps, PCI_PMCR_PME_D1); 1192 onoff("PME# support D2", caps, PCI_PMCR_PME_D2); 1193 onoff("PME# support D3 hot", caps, PCI_PMCR_PME_D3HOT); 1194 onoff("PME# support D3 cold", caps, PCI_PMCR_PME_D3COLD); 1195 1196 printf(" Control/status register: 0x%08x\n", pmcsr); 1197 printf(" Power state: D%d\n", pmcsr & PCI_PMCSR_STATE_MASK); 1198 onoff("PCI Express reserved", (pmcsr >> 2), 1); 1199 onoff("No soft reset", pmcsr, PCI_PMCSR_NO_SOFTRST); 1200 printf(" PME# assertion: %sabled\n", 1201 (pmcsr & PCI_PMCSR_PME_EN) ? "en" : "dis"); 1202 printf(" Data Select: %d\n", 1203 __SHIFTOUT(pmcsr, PCI_PMCSR_DATASEL_MASK)); 1204 printf(" Data Scale: %d\n", 1205 __SHIFTOUT(pmcsr, PCI_PMCSR_DATASCL_MASK)); 1206 onoff("PME# status", pmcsr, PCI_PMCSR_PME_STS); 1207 printf(" Bridge Support Extensions register: 0x%02x\n", 1208 (pmcsr >> 16) & 0xff); 1209 onoff("B2/B3 support", pmcsr, PCI_PMCSR_B2B3_SUPPORT); 1210 onoff("Bus Power/Clock Control Enable", pmcsr, PCI_PMCSR_BPCC_EN); 1211 printf(" Data register: 0x%02x\n", 1212 __SHIFTOUT(pmcsr, PCI_PMCSR_DATA)); 1213 } 1214 1215 /* XXX pci_conf_print_vpd_cap */ 1216 /* XXX pci_conf_print_slotid_cap */ 1217 1218 static void 1219 pci_conf_print_msi_cap(const pcireg_t *regs, int capoff) 1220 { 1221 uint32_t ctl, mmc, mme; 1222 1223 regs += o2i(capoff); 1224 ctl = *regs++; 1225 mmc = __SHIFTOUT(ctl, PCI_MSI_CTL_MMC_MASK); 1226 mme = __SHIFTOUT(ctl, PCI_MSI_CTL_MME_MASK); 1227 1228 printf("\n PCI Message Signaled Interrupt\n"); 1229 1230 printf(" Message Control register: 0x%04x\n", ctl >> 16); 1231 onoff("MSI Enabled", ctl, PCI_MSI_CTL_MSI_ENABLE); 1232 printf(" Multiple Message Capable: %s (%d vector%s)\n", 1233 mmc > 0 ? "yes" : "no", 1 << mmc, mmc > 0 ? "s" : ""); 1234 printf(" Multiple Message Enabled: %s (%d vector%s)\n", 1235 mme > 0 ? "on" : "off", 1 << mme, mme > 0 ? "s" : ""); 1236 onoff("64 Bit Address Capable", ctl, PCI_MSI_CTL_64BIT_ADDR); 1237 onoff("Per-Vector Masking Capable", ctl, PCI_MSI_CTL_PERVEC_MASK); 1238 onoff("Extended Message Data Capable", ctl, PCI_MSI_CTL_EXTMDATA_CAP); 1239 onoff("Extended Message Data Enable", ctl, PCI_MSI_CTL_EXTMDATA_EN); 1240 printf(" Message Address %sregister: 0x%08x\n", 1241 ctl & PCI_MSI_CTL_64BIT_ADDR ? "(lower) " : "", *regs++); 1242 if (ctl & PCI_MSI_CTL_64BIT_ADDR) { 1243 printf(" Message Address %sregister: 0x%08x\n", 1244 "(upper) ", *regs++); 1245 } 1246 printf(" Message Data register: "); 1247 if (ctl & PCI_MSI_CTL_EXTMDATA_CAP) 1248 printf("0x%08x\n", *regs); 1249 else 1250 printf("0x%04x\n", *regs & 0xffff); 1251 regs++; 1252 if (ctl & PCI_MSI_CTL_PERVEC_MASK) { 1253 printf(" Vector Mask register: 0x%08x\n", *regs++); 1254 printf(" Vector Pending register: 0x%08x\n", *regs++); 1255 } 1256 } 1257 1258 /* XXX pci_conf_print_cpci_hostwap_cap */ 1259 1260 /* 1261 * For both command register and status register. 1262 * The argument "idx" is index number (0 to 7). 1263 */ 1264 static int 1265 pcix_split_trans(unsigned int idx) 1266 { 1267 static int table[8] = { 1268 1, 2, 3, 4, 8, 12, 16, 32 1269 }; 1270 1271 if (idx >= __arraycount(table)) 1272 return -1; 1273 return table[idx]; 1274 } 1275 1276 static void 1277 pci_conf_print_pcix_cap_2ndbusmode(int num) 1278 { 1279 const char *maxfreq, *maxperiod; 1280 1281 printf(" Mode: "); 1282 if (num <= 0x07) 1283 printf("PCI-X Mode 1\n"); 1284 else if (num <= 0x0b) 1285 printf("PCI-X 266 (Mode 2)\n"); 1286 else 1287 printf("PCI-X 533 (Mode 2)\n"); 1288 1289 printf(" Error protection: %s\n", (num <= 3) ? "parity" : "ECC"); 1290 switch (num & 0x03) { 1291 default: 1292 case 0: 1293 maxfreq = "N/A"; 1294 maxperiod = "N/A"; 1295 break; 1296 case 1: 1297 maxfreq = "66MHz"; 1298 maxperiod = "15ns"; 1299 break; 1300 case 2: 1301 maxfreq = "100MHz"; 1302 maxperiod = "10ns"; 1303 break; 1304 case 3: 1305 maxfreq = "133MHz"; 1306 maxperiod = "7.5ns"; 1307 break; 1308 } 1309 printf(" Max Clock Freq: %s\n", maxfreq); 1310 printf(" Min Clock Period: %s\n", maxperiod); 1311 } 1312 1313 static void 1314 pci_conf_print_pcix_cap(const pcireg_t *regs, int capoff) 1315 { 1316 pcireg_t reg; 1317 int isbridge; 1318 int i; 1319 1320 isbridge = (PCI_HDRTYPE_TYPE(regs[o2i(PCI_BHLC_REG)]) 1321 & PCI_HDRTYPE_PPB) != 0 ? 1 : 0; 1322 printf("\n PCI-X %s Capabilities Register\n", 1323 isbridge ? "Bridge" : "Non-bridge"); 1324 1325 reg = regs[o2i(capoff)]; 1326 if (isbridge != 0) { 1327 printf(" Secondary status register: 0x%04x\n", 1328 (reg & 0xffff0000) >> 16); 1329 onoff("64bit device", reg, PCIX_STATUS_64BIT); 1330 onoff("133MHz capable", reg, PCIX_STATUS_133); 1331 onoff("Split completion discarded", reg, PCIX_STATUS_SPLDISC); 1332 onoff("Unexpected split completion", reg, PCIX_STATUS_SPLUNEX); 1333 onoff("Split completion overrun", reg, PCIX_BRIDGE_ST_SPLOVRN); 1334 onoff("Split request delayed", reg, PCIX_BRIDGE_ST_SPLRQDL); 1335 pci_conf_print_pcix_cap_2ndbusmode( 1336 __SHIFTOUT(reg, PCIX_BRIDGE_2NDST_CLKF)); 1337 printf(" Version: 0x%x\n", 1338 (reg & PCIX_BRIDGE_2NDST_VER_MASK) 1339 >> PCIX_BRIDGE_2NDST_VER_SHIFT); 1340 onoff("266MHz capable", reg, PCIX_BRIDGE_ST_266); 1341 onoff("533MHz capable", reg, PCIX_BRIDGE_ST_533); 1342 } else { 1343 printf(" Command register: 0x%04x\n", 1344 (reg & 0xffff0000) >> 16); 1345 onoff("Data Parity Error Recovery", reg, 1346 PCIX_CMD_PERR_RECOVER); 1347 onoff("Enable Relaxed Ordering", reg, PCIX_CMD_RELAXED_ORDER); 1348 printf(" Maximum Burst Read Count: %u\n", 1349 PCIX_CMD_BYTECNT(reg)); 1350 printf(" Maximum Split Transactions: %d\n", 1351 pcix_split_trans((reg & PCIX_CMD_SPLTRANS_MASK) 1352 >> PCIX_CMD_SPLTRANS_SHIFT)); 1353 } 1354 reg = regs[o2i(capoff+PCIX_STATUS)]; /* Or PCIX_BRIDGE_PRI_STATUS */ 1355 printf(" %sStatus register: 0x%08x\n", 1356 isbridge ? "Bridge " : "", reg); 1357 printf(" Function: %d\n", PCIX_STATUS_FN(reg)); 1358 printf(" Device: %d\n", PCIX_STATUS_DEV(reg)); 1359 printf(" Bus: %d\n", PCIX_STATUS_BUS(reg)); 1360 onoff("64bit device", reg, PCIX_STATUS_64BIT); 1361 onoff("133MHz capable", reg, PCIX_STATUS_133); 1362 onoff("Split completion discarded", reg, PCIX_STATUS_SPLDISC); 1363 onoff("Unexpected split completion", reg, PCIX_STATUS_SPLUNEX); 1364 if (isbridge != 0) { 1365 onoff("Split completion overrun", reg, PCIX_BRIDGE_ST_SPLOVRN); 1366 onoff("Split request delayed", reg, PCIX_BRIDGE_ST_SPLRQDL); 1367 } else { 1368 onoff2("Device Complexity", reg, PCIX_STATUS_DEVCPLX, 1369 "bridge device", "simple device"); 1370 printf(" Designed max memory read byte count: %d\n", 1371 512 << ((reg & PCIX_STATUS_MAXB_MASK) 1372 >> PCIX_STATUS_MAXB_SHIFT)); 1373 printf(" Designed max outstanding split transaction: %d\n", 1374 pcix_split_trans((reg & PCIX_STATUS_MAXST_MASK) 1375 >> PCIX_STATUS_MAXST_SHIFT)); 1376 printf(" MAX cumulative Read Size: %u\n", 1377 8 << ((reg & 0x1c000000) >> PCIX_STATUS_MAXRS_SHIFT)); 1378 onoff("Received split completion error", reg, 1379 PCIX_STATUS_SCERR); 1380 } 1381 onoff("266MHz capable", reg, PCIX_STATUS_266); 1382 onoff("533MHz capable", reg, PCIX_STATUS_533); 1383 1384 if (isbridge == 0) 1385 return; 1386 1387 /* Only for bridge */ 1388 for (i = 0; i < 2; i++) { 1389 reg = regs[o2i(capoff + PCIX_BRIDGE_UP_STCR + (4 * i))]; 1390 printf(" %s split transaction control register: 0x%08x\n", 1391 (i == 0) ? "Upstream" : "Downstream", reg); 1392 printf(" Capacity: %d\n", reg & PCIX_BRIDGE_STCAP); 1393 printf(" Commitment Limit: %d\n", 1394 (reg & PCIX_BRIDGE_STCLIM) >> PCIX_BRIDGE_STCLIM_SHIFT); 1395 } 1396 } 1397 1398 /* pci_conf_print_ht_slave_cap */ 1399 /* pci_conf_print_ht_host_cap */ 1400 /* pci_conf_print_ht_switch_cap */ 1401 /* pci_conf_print_ht_intr_cap */ 1402 /* pci_conf_print_ht_revid_cap */ 1403 /* pci_conf_print_ht_unitid_cap */ 1404 /* pci_conf_print_ht_extcnf_cap */ 1405 /* pci_conf_print_ht_addrmap_cap */ 1406 /* pci_conf_print_ht_msimap_cap */ 1407 1408 static void 1409 pci_conf_print_ht_msimap_cap(const pcireg_t *regs, int capoff) 1410 { 1411 pcireg_t val; 1412 uint32_t lo, hi; 1413 1414 /* 1415 * Print the rest of the command register bits. Others are 1416 * printed in pci_conf_print_ht_cap(). 1417 */ 1418 val = regs[o2i(capoff + PCI_HT_CMD)]; 1419 onoff("Enable", val, PCI_HT_MSI_ENABLED); 1420 onoff("Fixed", val, PCI_HT_MSI_FIXED); 1421 1422 lo = regs[o2i(capoff + PCI_HT_MSI_ADDR_LO)]; 1423 hi = regs[o2i(capoff + PCI_HT_MSI_ADDR_HI)]; 1424 printf(" Address Low register: 0x%08x\n", lo); 1425 printf(" Address high register: 0x%08x\n", hi); 1426 printf(" Address: 0x%016" PRIx64 "\n", 1427 (uint64_t)hi << 32 | (lo & PCI_HT_MSI_ADDR_LO_MASK)); 1428 } 1429 1430 /* pci_conf_print_ht_droute_cap */ 1431 /* pci_conf_print_ht_vcset_cap */ 1432 /* pci_conf_print_ht_retry_cap */ 1433 /* pci_conf_print_ht_x86enc_cap */ 1434 /* pci_conf_print_ht_gen3_cap */ 1435 /* pci_conf_print_ht_fle_cap */ 1436 /* pci_conf_print_ht_pm_cap */ 1437 /* pci_conf_print_ht_hnc_cap */ 1438 1439 static const struct ht_types { 1440 pcireg_t cap; 1441 const char *name; 1442 void (*printfunc)(const pcireg_t *, int); 1443 } ht_captab[] = { 1444 {PCI_HT_CAP_SLAVE, "Slave or Primary Interface", NULL }, 1445 {PCI_HT_CAP_HOST, "Host or Secondary Interface", NULL }, 1446 {PCI_HT_CAP_SWITCH, "Switch", NULL }, 1447 {PCI_HT_CAP_INTERRUPT, "Interrupt Discovery and Configuration", NULL}, 1448 {PCI_HT_CAP_REVID, "Revision ID", NULL }, 1449 {PCI_HT_CAP_UNITID_CLUMP, "UnitID Clumping", NULL }, 1450 {PCI_HT_CAP_EXTCNFSPACE, "Extended Configuration Space Access", NULL }, 1451 {PCI_HT_CAP_ADDRMAP, "Address Mapping", NULL }, 1452 {PCI_HT_CAP_MSIMAP, "MSI Mapping", pci_conf_print_ht_msimap_cap }, 1453 {PCI_HT_CAP_DIRECTROUTE, "Direct Route", NULL }, 1454 {PCI_HT_CAP_VCSET, "VCSet", NULL }, 1455 {PCI_HT_CAP_RETRYMODE, "Retry Mode", NULL }, 1456 {PCI_HT_CAP_X86ENCODE, "X86 Encoding", NULL }, 1457 {PCI_HT_CAP_GEN3, "Gen3", NULL }, 1458 {PCI_HT_CAP_FLE, "Function-Level Extension", NULL }, 1459 {PCI_HT_CAP_PM, "Power Management", NULL }, 1460 {PCI_HT_CAP_HIGHNODECNT, "High Node Count", NULL }, 1461 }; 1462 1463 static void 1464 pci_conf_print_ht_cap(const pcireg_t *regs, int capoff) 1465 { 1466 pcireg_t val, foundcap; 1467 unsigned int off; 1468 1469 val = regs[o2i(capoff + PCI_HT_CMD)]; 1470 1471 printf("\n HyperTransport Capability Register at 0x%02x\n", capoff); 1472 1473 printf(" Command register: 0x%04x\n", val >> 16); 1474 foundcap = PCI_HT_CAP(val); 1475 for (off = 0; off < __arraycount(ht_captab); off++) { 1476 if (ht_captab[off].cap == foundcap) 1477 break; 1478 } 1479 printf(" Capability Type: 0x%02x ", foundcap); 1480 if (off >= __arraycount(ht_captab)) { 1481 printf("(unknown)\n"); 1482 return; 1483 } 1484 printf("(%s)\n", ht_captab[off].name); 1485 if (ht_captab[off].printfunc != NULL) 1486 ht_captab[off].printfunc(regs, capoff); 1487 } 1488 1489 static void 1490 pci_conf_print_vendspec_cap(const pcireg_t *regs, int capoff) 1491 { 1492 uint16_t caps; 1493 1494 caps = regs[o2i(capoff)] >> PCI_VENDORSPECIFIC_SHIFT; 1495 1496 printf("\n PCI Vendor Specific Capabilities Register\n"); 1497 printf(" Capabilities length: 0x%02x\n", caps & 0xff); 1498 } 1499 1500 static void 1501 pci_conf_print_debugport_cap(const pcireg_t *regs, int capoff) 1502 { 1503 pcireg_t val; 1504 1505 val = regs[o2i(capoff + PCI_DEBUG_BASER)]; 1506 1507 printf("\n Debugport Capability Register\n"); 1508 printf(" Debug base Register: 0x%04x\n", 1509 val >> PCI_DEBUG_BASER_SHIFT); 1510 printf(" port offset: 0x%04x\n", 1511 (val & PCI_DEBUG_PORTOFF_MASK) >> PCI_DEBUG_PORTOFF_SHIFT); 1512 printf(" BAR number: %u\n", 1513 (val & PCI_DEBUG_BARNUM_MASK) >> PCI_DEBUG_BARNUM_SHIFT); 1514 } 1515 1516 /* XXX pci_conf_print_cpci_rsrcctl_cap */ 1517 /* XXX pci_conf_print_hotplug_cap */ 1518 1519 static void 1520 pci_conf_print_subsystem_cap(const pcireg_t *regs, int capoff) 1521 { 1522 pcireg_t reg; 1523 1524 reg = regs[o2i(capoff + PCI_CAP_SUBSYS_ID)]; 1525 1526 printf("\n Subsystem ID Capability Register\n"); 1527 printf(" Subsystem ID : 0x%08x\n", reg); 1528 } 1529 1530 /* XXX pci_conf_print_agp8_cap */ 1531 static void 1532 pci_conf_print_secure_cap(const pcireg_t *regs, int capoff) 1533 { 1534 pcireg_t reg, reg2, val; 1535 bool havemisc1; 1536 1537 printf("\n Secure Capability Register\n"); 1538 reg = regs[o2i(capoff + PCI_SECURE_CAP)]; 1539 printf(" Capability Register: 0x%04x\n", reg >> 16); 1540 val = __SHIFTOUT(reg, PCI_SECURE_CAP_TYPE); 1541 printf(" Capability block type: "); 1542 /* I know IOMMU Only */ 1543 if (val == PCI_SECURE_CAP_TYPE_IOMMU) 1544 printf("IOMMU\n"); 1545 else { 1546 printf("0x%x(unknown)\n", val); 1547 return; 1548 } 1549 1550 val = __SHIFTOUT(reg, PCI_SECURE_CAP_REV); 1551 printf(" Capability revision: 0x%02x ", val); 1552 if (val == PCI_SECURE_CAP_REV_IOMMU) 1553 printf("(IOMMU)\n"); 1554 else { 1555 printf("(unknown)\n"); 1556 return; 1557 } 1558 onoff("IOTLB support", reg, PCI_SECURE_CAP_IOTLBSUP); 1559 onoff("HyperTransport tunnel translation support", reg, 1560 PCI_SECURE_CAP_HTTUNNEL); 1561 onoff("Not present table entries cached", reg, PCI_SECURE_CAP_NPCACHE); 1562 onoff("IOMMU Extended Feature Register support", reg, 1563 PCI_SECURE_CAP_EFRSUP); 1564 onoff("IOMMU Miscellaneous Information Register 1", reg, 1565 PCI_SECURE_CAP_EXT); 1566 havemisc1 = reg & PCI_SECURE_CAP_EXT; 1567 1568 reg = regs[o2i(capoff + PCI_SECURE_IOMMU_BAL)]; 1569 printf(" Base Address Low Register: 0x%08x\n", reg); 1570 onoff("Enable", reg, PCI_SECURE_IOMMU_BAL_EN); 1571 reg2 = regs[o2i(capoff + PCI_SECURE_IOMMU_BAH)]; 1572 printf(" Base Address High Register: 0x%08x\n", reg2); 1573 printf(" Base Address : 0x%016" PRIx64 "\n", 1574 ((uint64_t)reg2 << 32) 1575 | (reg & (PCI_SECURE_IOMMU_BAL_H | PCI_SECURE_IOMMU_BAL_L))); 1576 1577 reg = regs[o2i(capoff + PCI_SECURE_IOMMU_RANGE)]; 1578 printf(" IOMMU Range Register: 0x%08x\n", reg); 1579 printf(" HyperTransport UnitID: 0x%02x\n", 1580 (uint32_t)__SHIFTOUT(reg, PCI_SECURE_IOMMU_RANGE_UNITID)); 1581 onoff("Range valid", reg, PCI_SECURE_IOMMU_RANGE_RNGVALID); 1582 printf(" Device range bus number: 0x%02x\n", 1583 (uint32_t)__SHIFTOUT(reg, PCI_SECURE_IOMMU_RANGE_BUSNUM)); 1584 printf(" First device: 0x%04x\n", 1585 (uint32_t)__SHIFTOUT(reg, PCI_SECURE_IOMMU_RANGE_FIRSTDEV)); 1586 printf(" Last device: 0x%04x\n", 1587 (uint32_t)__SHIFTOUT(reg, PCI_SECURE_IOMMU_RANGE_LASTDEV)); 1588 1589 reg = regs[o2i(capoff + PCI_SECURE_IOMMU_MISC0)]; 1590 printf(" Miscellaneous Information Register 0: 0x%08x\n", reg); 1591 printf(" MSI Message number: 0x%02x\n", 1592 (uint32_t)__SHIFTOUT(reg, PCI_SECURE_IOMMU_MISC0_MSINUM)); 1593 val = __SHIFTOUT(reg, PCI_SECURE_IOMMU_MISC0_GVASIZE); 1594 printf(" Guest Virtual Address size: "); 1595 if (val == PCI_SECURE_IOMMU_MISC0_GVASIZE_48B) 1596 printf("48bits\n"); 1597 else 1598 printf("0x%x(unknown)\n", val); 1599 val = __SHIFTOUT(reg, PCI_SECURE_IOMMU_MISC0_PASIZE); 1600 printf(" Physical Address size: %dbits\n", val); 1601 val = __SHIFTOUT(reg, PCI_SECURE_IOMMU_MISC0_VASIZE); 1602 printf(" Virtual Address size: %dbits\n", val); 1603 onoff("ATS response address range reserved", reg, 1604 PCI_SECURE_IOMMU_MISC0_ATSRESV); 1605 printf(" Peripheral Page Request MSI Message number: 0x%02x\n", 1606 (uint32_t)__SHIFTOUT(reg, PCI_SECURE_IOMMU_MISC0_MISNPPR)); 1607 1608 if (!havemisc1) 1609 return; 1610 1611 reg = regs[o2i(capoff + PCI_SECURE_IOMMU_MISC1)]; 1612 printf(" Miscellaneous Information Register 1: 0x%08x\n", reg); 1613 printf(" MSI Message number (GA): 0x%02x\n", 1614 (uint32_t)__SHIFTOUT(reg, PCI_SECURE_IOMMU_MISC1_MSINUM)); 1615 } 1616 1617 static void 1618 pci_print_pcie_L0s_latency(uint32_t val) 1619 { 1620 1621 switch (val) { 1622 case 0x0: 1623 printf("Less than 64ns\n"); 1624 break; 1625 case 0x1: 1626 case 0x2: 1627 case 0x3: 1628 printf("%dns to less than %dns\n", 32 << val, 32 << (val + 1)); 1629 break; 1630 case 0x4: 1631 printf("512ns to less than 1us\n"); 1632 break; 1633 case 0x5: 1634 printf("1us to less than 2us\n"); 1635 break; 1636 case 0x6: 1637 printf("2us - 4us\n"); 1638 break; 1639 case 0x7: 1640 printf("More than 4us\n"); 1641 break; 1642 } 1643 } 1644 1645 static void 1646 pci_print_pcie_L1_latency(uint32_t val) 1647 { 1648 1649 switch (val) { 1650 case 0x0: 1651 printf("Less than 1us\n"); 1652 break; 1653 case 0x6: 1654 printf("32us - 64us\n"); 1655 break; 1656 case 0x7: 1657 printf("More than 64us\n"); 1658 break; 1659 default: 1660 printf("%dus to less than %dus\n", 1 << (val - 1), 1 << val); 1661 break; 1662 } 1663 } 1664 1665 static void 1666 pci_print_pcie_compl_timeout(uint32_t val) 1667 { 1668 1669 switch (val) { 1670 case 0x0: 1671 printf("50us to 50ms\n"); 1672 break; 1673 case 0x5: 1674 printf("16ms to 55ms\n"); 1675 break; 1676 case 0x6: 1677 printf("65ms to 210ms\n"); 1678 break; 1679 case 0x9: 1680 printf("260ms to 900ms\n"); 1681 break; 1682 case 0xa: 1683 printf("1s to 3.5s\n"); 1684 break; 1685 default: 1686 printf("unknown %u value\n", val); 1687 break; 1688 } 1689 } 1690 1691 static const char * const pcie_linkspeeds[] = {"2.5", "5.0", "8.0"}; 1692 1693 /* 1694 * Print link speed. This function is used for the following register bits: 1695 * Maximum Link Speed in LCAP 1696 * Current Link Speed in LCSR 1697 * Target Link Speed in LCSR2 1698 * All of above bitfield's values start from 1. 1699 * For LCSR2, 0 is allowed for a device which supports 2.5GT/s only (and 1700 * this check also works for devices which compliant to versions of the base 1701 * specification prior to 3.0. 1702 */ 1703 static void 1704 pci_print_pcie_linkspeed(int regnum, pcireg_t val) 1705 { 1706 1707 if ((regnum == PCIE_LCSR2) && (val == 0)) 1708 printf("2.5GT/s\n"); 1709 else if ((val < 1) || (val > __arraycount(pcie_linkspeeds))) 1710 printf("unknown value (%u)\n", val); 1711 else 1712 printf("%sGT/s\n", pcie_linkspeeds[val - 1]); 1713 } 1714 1715 /* 1716 * Print link speed "vector". 1717 * This function is used for the following register bits: 1718 * Supported Link Speeds Vector in LCAP2 1719 * Lower SKP OS Generation Supported Speed Vector in LCAP2 1720 * Lower SKP OS Reception Supported Speed Vector in LCAP2 1721 * Enable Lower SKP OS Generation Vector in LCTL3 1722 * All of above bitfield's values start from 0. 1723 */ 1724 static void 1725 pci_print_pcie_linkspeedvector(pcireg_t val) 1726 { 1727 unsigned int i; 1728 1729 /* Start from 0 */ 1730 for (i = 0; i < 16; i++) 1731 if (((val >> i) & 0x01) != 0) { 1732 if (i >= __arraycount(pcie_linkspeeds)) 1733 printf(" unknown vector (0x%x)", 1 << i); 1734 else 1735 printf(" %sGT/s", pcie_linkspeeds[i]); 1736 } 1737 } 1738 1739 static void 1740 pci_print_pcie_link_deemphasis(pcireg_t val) 1741 { 1742 switch (val) { 1743 case 0: 1744 printf("-6dB"); 1745 break; 1746 case 1: 1747 printf("-3.5dB"); 1748 break; 1749 default: 1750 printf("(reserved value)"); 1751 } 1752 } 1753 1754 static void 1755 pci_conf_print_pcie_cap(const pcireg_t *regs, int capoff) 1756 { 1757 pcireg_t reg; /* for each register */ 1758 pcireg_t val; /* for each bitfield */ 1759 bool check_link = true; 1760 bool check_slot = false; 1761 bool check_rootport = false; 1762 bool check_upstreamport = false; 1763 unsigned int pciever; 1764 unsigned int i; 1765 1766 printf("\n PCI Express Capabilities Register\n"); 1767 /* Capability Register */ 1768 reg = regs[o2i(capoff)]; 1769 printf(" Capability register: 0x%04x\n", reg >> 16); 1770 pciever = (unsigned int)(PCIE_XCAP_VER(reg)); 1771 printf(" Capability version: %u\n", pciever); 1772 printf(" Device type: "); 1773 switch (PCIE_XCAP_TYPE(reg)) { 1774 case PCIE_XCAP_TYPE_PCIE_DEV: /* 0x0 */ 1775 printf("PCI Express Endpoint device\n"); 1776 check_upstreamport = true; 1777 break; 1778 case PCIE_XCAP_TYPE_PCI_DEV: /* 0x1 */ 1779 printf("Legacy PCI Express Endpoint device\n"); 1780 check_upstreamport = true; 1781 break; 1782 case PCIE_XCAP_TYPE_ROOT: /* 0x4 */ 1783 printf("Root Port of PCI Express Root Complex\n"); 1784 check_slot = true; 1785 check_rootport = true; 1786 break; 1787 case PCIE_XCAP_TYPE_UP: /* 0x5 */ 1788 printf("Upstream Port of PCI Express Switch\n"); 1789 check_upstreamport = true; 1790 break; 1791 case PCIE_XCAP_TYPE_DOWN: /* 0x6 */ 1792 printf("Downstream Port of PCI Express Switch\n"); 1793 check_slot = true; 1794 check_rootport = true; 1795 break; 1796 case PCIE_XCAP_TYPE_PCIE2PCI: /* 0x7 */ 1797 printf("PCI Express to PCI/PCI-X Bridge\n"); 1798 check_upstreamport = true; 1799 break; 1800 case PCIE_XCAP_TYPE_PCI2PCIE: /* 0x8 */ 1801 printf("PCI/PCI-X to PCI Express Bridge\n"); 1802 /* Upstream port is not PCIe */ 1803 check_slot = true; 1804 break; 1805 case PCIE_XCAP_TYPE_ROOT_INTEP: /* 0x9 */ 1806 printf("Root Complex Integrated Endpoint\n"); 1807 check_link = false; 1808 break; 1809 case PCIE_XCAP_TYPE_ROOT_EVNTC: /* 0xa */ 1810 printf("Root Complex Event Collector\n"); 1811 check_link = false; 1812 check_rootport = true; 1813 break; 1814 default: 1815 printf("unknown\n"); 1816 break; 1817 } 1818 onoff("Slot implemented", reg, PCIE_XCAP_SI); 1819 printf(" Interrupt Message Number: 0x%02x\n", 1820 (unsigned int)__SHIFTOUT(reg, PCIE_XCAP_IRQ)); 1821 1822 /* Device Capability Register */ 1823 reg = regs[o2i(capoff + PCIE_DCAP)]; 1824 printf(" Device Capabilities Register: 0x%08x\n", reg); 1825 printf(" Max Payload Size Supported: %u bytes max\n", 1826 128 << (unsigned int)(reg & PCIE_DCAP_MAX_PAYLOAD)); 1827 printf(" Phantom Functions Supported: "); 1828 switch (__SHIFTOUT(reg, PCIE_DCAP_PHANTOM_FUNCS)) { 1829 case 0x0: 1830 printf("not available\n"); 1831 break; 1832 case 0x1: 1833 printf("MSB\n"); 1834 break; 1835 case 0x2: 1836 printf("two MSB\n"); 1837 break; 1838 case 0x3: 1839 printf("All three bits\n"); 1840 break; 1841 } 1842 printf(" Extended Tag Field Supported: %dbit\n", 1843 (reg & PCIE_DCAP_EXT_TAG_FIELD) == 0 ? 5 : 8); 1844 printf(" Endpoint L0 Acceptable Latency: "); 1845 pci_print_pcie_L0s_latency(__SHIFTOUT(reg, PCIE_DCAP_L0S_LATENCY)); 1846 printf(" Endpoint L1 Acceptable Latency: "); 1847 pci_print_pcie_L1_latency(__SHIFTOUT(reg, PCIE_DCAP_L1_LATENCY)); 1848 onoff("Attention Button Present", reg, PCIE_DCAP_ATTN_BUTTON); 1849 onoff("Attention Indicator Present", reg, PCIE_DCAP_ATTN_IND); 1850 onoff("Power Indicator Present", reg, PCIE_DCAP_PWR_IND); 1851 onoff("Role-Based Error Report", reg, PCIE_DCAP_ROLE_ERR_RPT); 1852 if (check_upstreamport) { 1853 printf(" Captured Slot Power Limit: "); 1854 pci_conf_print_pcie_power( 1855 __SHIFTOUT(reg, PCIE_DCAP_SLOT_PWR_LIM_VAL), 1856 __SHIFTOUT(reg, PCIE_DCAP_SLOT_PWR_LIM_SCALE)); 1857 } 1858 onoff("Function-Level Reset Capability", reg, PCIE_DCAP_FLR); 1859 1860 /* Device Control Register */ 1861 reg = regs[o2i(capoff + PCIE_DCSR)]; 1862 printf(" Device Control Register: 0x%04x\n", reg & 0xffff); 1863 onoff("Correctable Error Reporting Enable", reg, 1864 PCIE_DCSR_ENA_COR_ERR); 1865 onoff("Non Fatal Error Reporting Enable", reg, PCIE_DCSR_ENA_NFER); 1866 onoff("Fatal Error Reporting Enable", reg, PCIE_DCSR_ENA_FER); 1867 onoff("Unsupported Request Reporting Enable", reg, PCIE_DCSR_ENA_URR); 1868 onoff("Enable Relaxed Ordering", reg, PCIE_DCSR_ENA_RELAX_ORD); 1869 printf(" Max Payload Size: %d byte\n", 1870 128 << __SHIFTOUT(reg, PCIE_DCSR_MAX_PAYLOAD)); 1871 onoff("Extended Tag Field Enable", reg, PCIE_DCSR_EXT_TAG_FIELD); 1872 onoff("Phantom Functions Enable", reg, PCIE_DCSR_PHANTOM_FUNCS); 1873 onoff("Aux Power PM Enable", reg, PCIE_DCSR_AUX_POWER_PM); 1874 onoff("Enable No Snoop", reg, PCIE_DCSR_ENA_NO_SNOOP); 1875 printf(" Max Read Request Size: %d byte\n", 1876 128 << __SHIFTOUT(reg, PCIE_DCSR_MAX_READ_REQ)); 1877 1878 /* Device Status Register */ 1879 reg = regs[o2i(capoff + PCIE_DCSR)]; 1880 printf(" Device Status Register: 0x%04x\n", reg >> 16); 1881 onoff("Correctable Error Detected", reg, PCIE_DCSR_CED); 1882 onoff("Non Fatal Error Detected", reg, PCIE_DCSR_NFED); 1883 onoff("Fatal Error Detected", reg, PCIE_DCSR_FED); 1884 onoff("Unsupported Request Detected", reg, PCIE_DCSR_URD); 1885 onoff("Aux Power Detected", reg, PCIE_DCSR_AUX_PWR); 1886 onoff("Transaction Pending", reg, PCIE_DCSR_TRANSACTION_PND); 1887 onoff("Emergency Power Reduction Detected", reg, PCIE_DCSR_EMGPWRREDD); 1888 1889 if (check_link) { 1890 /* Link Capability Register */ 1891 reg = regs[o2i(capoff + PCIE_LCAP)]; 1892 printf(" Link Capabilities Register: 0x%08x\n", reg); 1893 printf(" Maximum Link Speed: "); 1894 pci_print_pcie_linkspeed(PCIE_LCAP, reg & PCIE_LCAP_MAX_SPEED); 1895 printf(" Maximum Link Width: x%u lanes\n", 1896 (unsigned int)__SHIFTOUT(reg, PCIE_LCAP_MAX_WIDTH)); 1897 printf(" Active State PM Support: "); 1898 switch (__SHIFTOUT(reg, PCIE_LCAP_ASPM)) { 1899 case 0x0: 1900 printf("No ASPM support\n"); 1901 break; 1902 case 0x1: 1903 printf("L0s supported\n"); 1904 break; 1905 case 0x2: 1906 printf("L1 supported\n"); 1907 break; 1908 case 0x3: 1909 printf("L0s and L1 supported\n"); 1910 break; 1911 } 1912 printf(" L0 Exit Latency: "); 1913 pci_print_pcie_L0s_latency(__SHIFTOUT(reg,PCIE_LCAP_L0S_EXIT)); 1914 printf(" L1 Exit Latency: "); 1915 pci_print_pcie_L1_latency(__SHIFTOUT(reg, PCIE_LCAP_L1_EXIT)); 1916 printf(" Port Number: %u\n", 1917 (unsigned int)__SHIFTOUT(reg, PCIE_LCAP_PORT)); 1918 onoff("Clock Power Management", reg, PCIE_LCAP_CLOCK_PM); 1919 onoff("Surprise Down Error Report", reg, 1920 PCIE_LCAP_SURPRISE_DOWN); 1921 onoff("Data Link Layer Link Active", reg, PCIE_LCAP_DL_ACTIVE); 1922 onoff("Link BW Notification Capable", reg, 1923 PCIE_LCAP_LINK_BW_NOTIFY); 1924 onoff("ASPM Optionally Compliance", reg, 1925 PCIE_LCAP_ASPM_COMPLIANCE); 1926 1927 /* Link Control Register */ 1928 reg = regs[o2i(capoff + PCIE_LCSR)]; 1929 printf(" Link Control Register: 0x%04x\n", reg & 0xffff); 1930 printf(" Active State PM Control: "); 1931 switch (reg & (PCIE_LCSR_ASPM_L1 | PCIE_LCSR_ASPM_L0S)) { 1932 case 0: 1933 printf("disabled\n"); 1934 break; 1935 case 1: 1936 printf("L0s Entry Enabled\n"); 1937 break; 1938 case 2: 1939 printf("L1 Entry Enabled\n"); 1940 break; 1941 case 3: 1942 printf("L0s and L1 Entry Enabled\n"); 1943 break; 1944 } 1945 onoff2("Read Completion Boundary Control", reg, PCIE_LCSR_RCB, 1946 "128bytes", "64bytes"); 1947 onoff("Link Disable", reg, PCIE_LCSR_LINK_DIS); 1948 onoff("Retrain Link", reg, PCIE_LCSR_RETRAIN); 1949 onoff("Common Clock Configuration", reg, PCIE_LCSR_COMCLKCFG); 1950 onoff("Extended Synch", reg, PCIE_LCSR_EXTNDSYNC); 1951 onoff("Enable Clock Power Management", reg, PCIE_LCSR_ENCLKPM); 1952 onoff("Hardware Autonomous Width Disable", reg,PCIE_LCSR_HAWD); 1953 onoff("Link Bandwidth Management Interrupt Enable", reg, 1954 PCIE_LCSR_LBMIE); 1955 onoff("Link Autonomous Bandwidth Interrupt Enable", reg, 1956 PCIE_LCSR_LABIE); 1957 printf(" DRS Signaling Control: "); 1958 switch (__SHIFTOUT(reg, PCIE_LCSR_DRSSGNL)) { 1959 case 0: 1960 printf("not reported\n"); 1961 break; 1962 case 1: 1963 printf("Interrupt Enabled\n"); 1964 break; 1965 case 2: 1966 printf("DRS to FRS Signaling Enabled\n"); 1967 break; 1968 default: 1969 printf("reserved\n"); 1970 break; 1971 } 1972 1973 /* Link Status Register */ 1974 reg = regs[o2i(capoff + PCIE_LCSR)]; 1975 printf(" Link Status Register: 0x%04x\n", reg >> 16); 1976 printf(" Negotiated Link Speed: "); 1977 pci_print_pcie_linkspeed(PCIE_LCSR, 1978 __SHIFTOUT(reg, PCIE_LCSR_LINKSPEED)); 1979 printf(" Negotiated Link Width: x%u lanes\n", 1980 (unsigned int)__SHIFTOUT(reg, PCIE_LCSR_NLW)); 1981 onoff("Training Error", reg, PCIE_LCSR_LINKTRAIN_ERR); 1982 onoff("Link Training", reg, PCIE_LCSR_LINKTRAIN); 1983 onoff("Slot Clock Configuration", reg, PCIE_LCSR_SLOTCLKCFG); 1984 onoff("Data Link Layer Link Active", reg, PCIE_LCSR_DLACTIVE); 1985 onoff("Link Bandwidth Management Status", reg, 1986 PCIE_LCSR_LINK_BW_MGMT); 1987 onoff("Link Autonomous Bandwidth Status", reg, 1988 PCIE_LCSR_LINK_AUTO_BW); 1989 } 1990 1991 if (check_slot == true) { 1992 pcireg_t slcap; 1993 1994 /* Slot Capability Register */ 1995 slcap = reg = regs[o2i(capoff + PCIE_SLCAP)]; 1996 printf(" Slot Capability Register: 0x%08x\n", reg); 1997 onoff("Attention Button Present", reg, PCIE_SLCAP_ABP); 1998 onoff("Power Controller Present", reg, PCIE_SLCAP_PCP); 1999 onoff("MRL Sensor Present", reg, PCIE_SLCAP_MSP); 2000 onoff("Attention Indicator Present", reg, PCIE_SLCAP_AIP); 2001 onoff("Power Indicator Present", reg, PCIE_SLCAP_PIP); 2002 onoff("Hot-Plug Surprise", reg, PCIE_SLCAP_HPS); 2003 onoff("Hot-Plug Capable", reg, PCIE_SLCAP_HPC); 2004 printf(" Slot Power Limit Value: "); 2005 pci_conf_print_pcie_power(__SHIFTOUT(reg, PCIE_SLCAP_SPLV), 2006 __SHIFTOUT(reg, PCIE_SLCAP_SPLS)); 2007 onoff("Electromechanical Interlock Present", reg, 2008 PCIE_SLCAP_EIP); 2009 onoff("No Command Completed Support", reg, PCIE_SLCAP_NCCS); 2010 printf(" Physical Slot Number: %d\n", 2011 (unsigned int)(reg & PCIE_SLCAP_PSN) >> 19); 2012 2013 /* Slot Control Register */ 2014 reg = regs[o2i(capoff + PCIE_SLCSR)]; 2015 printf(" Slot Control Register: 0x%04x\n", reg & 0xffff); 2016 onoff("Attention Button Pressed Enabled", reg, PCIE_SLCSR_ABE); 2017 onoff("Power Fault Detected Enabled", reg, PCIE_SLCSR_PFE); 2018 onoff("MRL Sensor Changed Enabled", reg, PCIE_SLCSR_MSE); 2019 onoff("Presence Detect Changed Enabled", reg, PCIE_SLCSR_PDE); 2020 onoff("Command Completed Interrupt Enabled", reg, 2021 PCIE_SLCSR_CCE); 2022 onoff("Hot-Plug Interrupt Enabled", reg, PCIE_SLCSR_HPE); 2023 /* 2024 * For Attention Indicator Control and Power Indicator Control, 2025 * it's allowed to be a read only value 0 if corresponding 2026 * capability register bit is 0. 2027 */ 2028 if (slcap & PCIE_SLCAP_AIP) { 2029 printf(" Attention Indicator Control: "); 2030 switch ((reg & PCIE_SLCSR_AIC) >> 6) { 2031 case 0x0: 2032 printf("reserved\n"); 2033 break; 2034 case PCIE_SLCSR_IND_ON: 2035 printf("on\n"); 2036 break; 2037 case PCIE_SLCSR_IND_BLINK: 2038 printf("blink\n"); 2039 break; 2040 case PCIE_SLCSR_IND_OFF: 2041 printf("off\n"); 2042 break; 2043 } 2044 } 2045 if (slcap & PCIE_SLCAP_PIP) { 2046 printf(" Power Indicator Control: "); 2047 switch ((reg & PCIE_SLCSR_PIC) >> 8) { 2048 case 0x0: 2049 printf("reserved\n"); 2050 break; 2051 case PCIE_SLCSR_IND_ON: 2052 printf("on\n"); 2053 break; 2054 case PCIE_SLCSR_IND_BLINK: 2055 printf("blink\n"); 2056 break; 2057 case PCIE_SLCSR_IND_OFF: 2058 printf("off\n"); 2059 break; 2060 } 2061 } 2062 printf(" Power Controller Control: Power %s\n", 2063 reg & PCIE_SLCSR_PCC ? "off" : "on"); 2064 onoff("Electromechanical Interlock Control", 2065 reg, PCIE_SLCSR_EIC); 2066 onoff("Data Link Layer State Changed Enable", reg, 2067 PCIE_SLCSR_DLLSCE); 2068 onoff("Auto Slot Power Limit Disable", reg, 2069 PCIE_SLCSR_AUTOSPLDIS); 2070 2071 /* Slot Status Register */ 2072 printf(" Slot Status Register: 0x%04x\n", reg >> 16); 2073 onoff("Attention Button Pressed", reg, PCIE_SLCSR_ABP); 2074 onoff("Power Fault Detected", reg, PCIE_SLCSR_PFD); 2075 onoff("MRL Sensor Changed", reg, PCIE_SLCSR_MSC); 2076 onoff("Presence Detect Changed", reg, PCIE_SLCSR_PDC); 2077 onoff("Command Completed", reg, PCIE_SLCSR_CC); 2078 onoff("MRL Open", reg, PCIE_SLCSR_MS); 2079 onoff("Card Present in slot", reg, PCIE_SLCSR_PDS); 2080 onoff("Electromechanical Interlock engaged", reg, 2081 PCIE_SLCSR_EIS); 2082 onoff("Data Link Layer State Changed", reg, PCIE_SLCSR_LACS); 2083 } 2084 2085 if (check_rootport == true) { 2086 /* Root Control Register */ 2087 reg = regs[o2i(capoff + PCIE_RCR)]; 2088 printf(" Root Control Register: 0x%04x\n", reg & 0xffff); 2089 onoff("SERR on Correctable Error Enable", reg, 2090 PCIE_RCR_SERR_CER); 2091 onoff("SERR on Non-Fatal Error Enable", reg, 2092 PCIE_RCR_SERR_NFER); 2093 onoff("SERR on Fatal Error Enable", reg, PCIE_RCR_SERR_FER); 2094 onoff("PME Interrupt Enable", reg, PCIE_RCR_PME_IE); 2095 onoff("CRS Software Visibility Enable", reg, PCIE_RCR_CRS_SVE); 2096 2097 /* Root Capability Register */ 2098 printf(" Root Capability Register: 0x%04x\n", 2099 reg >> 16); 2100 onoff("CRS Software Visibility", reg, PCIE_RCR_CRS_SV); 2101 2102 /* Root Status Register */ 2103 reg = regs[o2i(capoff + PCIE_RSR)]; 2104 printf(" Root Status Register: 0x%08x\n", reg); 2105 printf(" PME Requester ID: 0x%04x\n", 2106 (unsigned int)(reg & PCIE_RSR_PME_REQESTER)); 2107 onoff("PME was asserted", reg, PCIE_RSR_PME_STAT); 2108 onoff("another PME is pending", reg, PCIE_RSR_PME_PEND); 2109 } 2110 2111 /* PCIe DW9 to DW14 is for PCIe 2.0 and newer */ 2112 if (pciever < 2) 2113 return; 2114 2115 /* Device Capabilities 2 */ 2116 reg = regs[o2i(capoff + PCIE_DCAP2)]; 2117 printf(" Device Capabilities 2: 0x%08x\n", reg); 2118 printf(" Completion Timeout Ranges Supported: "); 2119 val = reg & PCIE_DCAP2_COMPT_RANGE; 2120 switch (val) { 2121 case 0: 2122 printf("not supported\n"); 2123 break; 2124 default: 2125 for (i = 0; i <= 3; i++) { 2126 if (((val >> i) & 0x01) != 0) 2127 printf("%c", 'A' + i); 2128 } 2129 printf("\n"); 2130 } 2131 onoff("Completion Timeout Disable Supported", reg, 2132 PCIE_DCAP2_COMPT_DIS); 2133 onoff("ARI Forwarding Supported", reg, PCIE_DCAP2_ARI_FWD); 2134 onoff("AtomicOp Routing Supported", reg, PCIE_DCAP2_ATOM_ROUT); 2135 onoff("32bit AtomicOp Completer Supported", reg, PCIE_DCAP2_32ATOM); 2136 onoff("64bit AtomicOp Completer Supported", reg, PCIE_DCAP2_64ATOM); 2137 onoff("128-bit CAS Completer Supported", reg, PCIE_DCAP2_128CAS); 2138 onoff("No RO-enabled PR-PR passing", reg, PCIE_DCAP2_NO_ROPR_PASS); 2139 onoff("LTR Mechanism Supported", reg, PCIE_DCAP2_LTR_MEC); 2140 printf(" TPH Completer Supported: "); 2141 switch (__SHIFTOUT(reg, PCIE_DCAP2_TPH_COMP)) { 2142 case 0: 2143 printf("Not supported\n"); 2144 break; 2145 case 1: 2146 printf("TPH\n"); 2147 break; 2148 case 3: 2149 printf("TPH and Extended TPH\n"); 2150 break; 2151 default: 2152 printf("(reserved value)\n"); 2153 break; 2154 2155 } 2156 printf(" LN System CLS: "); 2157 switch (__SHIFTOUT(reg, PCIE_DCAP2_LNSYSCLS)) { 2158 case 0x0: 2159 printf("Not supported or not in effect\n"); 2160 break; 2161 case 0x1: 2162 printf("64byte cachelines in effect\n"); 2163 break; 2164 case 0x2: 2165 printf("128byte cachelines in effect\n"); 2166 break; 2167 case 0x3: 2168 printf("Reserved\n"); 2169 break; 2170 } 2171 printf(" OBFF Supported: "); 2172 switch (__SHIFTOUT(reg, PCIE_DCAP2_OBFF)) { 2173 case 0x0: 2174 printf("Not supported\n"); 2175 break; 2176 case 0x1: 2177 printf("Message only\n"); 2178 break; 2179 case 0x2: 2180 printf("WAKE# only\n"); 2181 break; 2182 case 0x3: 2183 printf("Both\n"); 2184 break; 2185 } 2186 onoff("Extended Fmt Field Supported", reg, PCIE_DCAP2_EXTFMT_FLD); 2187 onoff("End-End TLP Prefix Supported", reg, PCIE_DCAP2_EETLP_PREF); 2188 val = __SHIFTOUT(reg, PCIE_DCAP2_MAX_EETLP); 2189 printf(" Max End-End TLP Prefixes: %u\n", (val == 0) ? 4 : val); 2190 printf(" Emergency Power Reduction Supported: "); 2191 switch (__SHIFTOUT(reg, PCIE_DCAP2_EMGPWRRED)) { 2192 case 0x0: 2193 printf("Not supported\n"); 2194 break; 2195 case 0x1: 2196 printf("Device Specific mechanism\n"); 2197 break; 2198 case 0x2: 2199 printf("Form Factor spec or Device Specific mechanism\n"); 2200 break; 2201 case 0x3: 2202 printf("Reserved\n"); 2203 break; 2204 } 2205 onoff("Emergency Power Reduction Initialization Required", reg, 2206 PCIE_DCAP2_EMGPWRRED_INI); 2207 onoff("FRS Supported", reg, PCIE_DCAP2_FRS); 2208 2209 /* Device Control 2 */ 2210 reg = regs[o2i(capoff + PCIE_DCSR2)]; 2211 printf(" Device Control 2: 0x%04x\n", reg & 0xffff); 2212 printf(" Completion Timeout Value: "); 2213 pci_print_pcie_compl_timeout(reg & PCIE_DCSR2_COMPT_VAL); 2214 onoff("Completion Timeout Disabled", reg, PCIE_DCSR2_COMPT_DIS); 2215 onoff("ARI Forwarding Enabled", reg, PCIE_DCSR2_ARI_FWD); 2216 onoff("AtomicOp Requester Enabled", reg, PCIE_DCSR2_ATOM_REQ); 2217 onoff("AtomicOp Egress Blocking", reg, PCIE_DCSR2_ATOM_EBLK); 2218 onoff("IDO Request Enabled", reg, PCIE_DCSR2_IDO_REQ); 2219 onoff("IDO Completion Enabled", reg, PCIE_DCSR2_IDO_COMP); 2220 onoff("LTR Mechanism Enabled", reg, PCIE_DCSR2_LTR_MEC); 2221 onoff("Emergency Power Reduction Request", reg, 2222 PCIE_DCSR2_EMGPWRRED_REQ); 2223 printf(" OBFF: "); 2224 switch (__SHIFTOUT(reg, PCIE_DCSR2_OBFF_EN)) { 2225 case 0x0: 2226 printf("Disabled\n"); 2227 break; 2228 case 0x1: 2229 printf("Enabled with Message Signaling Variation A\n"); 2230 break; 2231 case 0x2: 2232 printf("Enabled with Message Signaling Variation B\n"); 2233 break; 2234 case 0x3: 2235 printf("Enabled using WAKE# signaling\n"); 2236 break; 2237 } 2238 onoff("End-End TLP Prefix Blocking on", reg, PCIE_DCSR2_EETLP); 2239 2240 if (check_link) { 2241 bool drs_supported = false; 2242 2243 /* Link Capability 2 */ 2244 reg = regs[o2i(capoff + PCIE_LCAP2)]; 2245 /* If the vector is 0, LCAP2 is not implemented */ 2246 if ((reg & PCIE_LCAP2_SUP_LNKSV) != 0) { 2247 printf(" Link Capabilities 2: 0x%08x\n", reg); 2248 printf(" Supported Link Speeds Vector:"); 2249 pci_print_pcie_linkspeedvector( 2250 __SHIFTOUT(reg, PCIE_LCAP2_SUP_LNKSV)); 2251 printf("\n"); 2252 onoff("Crosslink Supported", reg, PCIE_LCAP2_CROSSLNK); 2253 printf(" " 2254 "Lower SKP OS Generation Supported Speed Vector:"); 2255 pci_print_pcie_linkspeedvector( 2256 __SHIFTOUT(reg, PCIE_LCAP2_LOWSKPOS_GENSUPPSV)); 2257 printf("\n"); 2258 printf(" " 2259 "Lower SKP OS Reception Supported Speed Vector:"); 2260 pci_print_pcie_linkspeedvector( 2261 __SHIFTOUT(reg, PCIE_LCAP2_LOWSKPOS_RECSUPPSV)); 2262 printf("\n"); 2263 onoff("DRS Supported", reg, PCIE_LCAP2_DRS); 2264 drs_supported = (reg & PCIE_LCAP2_DRS) ? true : false; 2265 } 2266 2267 /* Link Control 2 */ 2268 reg = regs[o2i(capoff + PCIE_LCSR2)]; 2269 /* If the vector is 0, LCAP2 is not implemented */ 2270 printf(" Link Control 2: 0x%04x\n", reg & 0xffff); 2271 printf(" Target Link Speed: "); 2272 pci_print_pcie_linkspeed(PCIE_LCSR2, 2273 __SHIFTOUT(reg, PCIE_LCSR2_TGT_LSPEED)); 2274 onoff("Enter Compliance Enabled", reg, PCIE_LCSR2_ENT_COMPL); 2275 onoff("HW Autonomous Speed Disabled", reg, 2276 PCIE_LCSR2_HW_AS_DIS); 2277 printf(" Selectable De-emphasis: "); 2278 pci_print_pcie_link_deemphasis( 2279 __SHIFTOUT(reg, PCIE_LCSR2_SEL_DEEMP)); 2280 printf("\n"); 2281 printf(" Transmit Margin: %u\n", 2282 (unsigned int)(reg & PCIE_LCSR2_TX_MARGIN) >> 7); 2283 onoff("Enter Modified Compliance", reg, PCIE_LCSR2_EN_MCOMP); 2284 onoff("Compliance SOS", reg, PCIE_LCSR2_COMP_SOS); 2285 printf(" Compliance Present/De-emphasis: "); 2286 pci_print_pcie_link_deemphasis( 2287 __SHIFTOUT(reg, PCIE_LCSR2_COMP_DEEMP)); 2288 printf("\n"); 2289 2290 /* Link Status 2 */ 2291 printf(" Link Status 2: 0x%04x\n", (reg >> 16) & 0xffff); 2292 printf(" Current De-emphasis Level: "); 2293 pci_print_pcie_link_deemphasis( 2294 __SHIFTOUT(reg, PCIE_LCSR2_DEEMP_LVL)); 2295 printf("\n"); 2296 onoff("Equalization Complete", reg, PCIE_LCSR2_EQ_COMPL); 2297 onoff("Equalization Phase 1 Successful", reg, 2298 PCIE_LCSR2_EQP1_SUC); 2299 onoff("Equalization Phase 2 Successful", reg, 2300 PCIE_LCSR2_EQP2_SUC); 2301 onoff("Equalization Phase 3 Successful", reg, 2302 PCIE_LCSR2_EQP3_SUC); 2303 onoff("Link Equalization Request", reg, PCIE_LCSR2_LNKEQ_REQ); 2304 onoff("Retimer Presence Detected", reg, PCIE_LCSR2_RETIMERPD); 2305 if (drs_supported) { 2306 printf(" Downstream Component Presence: "); 2307 switch (__SHIFTOUT(reg, PCIE_LCSR2_DSCOMPN)) { 2308 case PCIE_DSCOMPN_DOWN_NOTDETERM: 2309 printf("Link Down - Presence Not" 2310 " Determined\n"); 2311 break; 2312 case PCIE_DSCOMPN_DOWN_NOTPRES: 2313 printf("Link Down - Component Not Present\n"); 2314 break; 2315 case PCIE_DSCOMPN_DOWN_PRES: 2316 printf("Link Down - Component Present\n"); 2317 break; 2318 case PCIE_DSCOMPN_UP_PRES: 2319 printf("Link Up - Component Present\n"); 2320 break; 2321 case PCIE_DSCOMPN_UP_PRES_DRS: 2322 printf("Link Up - Component Present and DRS" 2323 " received\n"); 2324 break; 2325 default: 2326 printf("reserved\n"); 2327 break; 2328 } 2329 onoff("DRS Message Received", reg, PCIE_LCSR2_DRSRCV); 2330 } 2331 } 2332 2333 /* Slot Capability 2 */ 2334 /* Slot Control 2 */ 2335 /* Slot Status 2 */ 2336 } 2337 2338 static void 2339 pci_conf_print_msix_cap(const pcireg_t *regs, int capoff) 2340 { 2341 pcireg_t reg; 2342 2343 printf("\n MSI-X Capability Register\n"); 2344 2345 reg = regs[o2i(capoff + PCI_MSIX_CTL)]; 2346 printf(" Message Control register: 0x%04x\n", 2347 (reg >> 16) & 0xff); 2348 printf(" Table Size: %d\n",PCI_MSIX_CTL_TBLSIZE(reg)); 2349 onoff("Function Mask", reg, PCI_MSIX_CTL_FUNCMASK); 2350 onoff("MSI-X Enable", reg, PCI_MSIX_CTL_ENABLE); 2351 reg = regs[o2i(capoff + PCI_MSIX_TBLOFFSET)]; 2352 printf(" Table offset register: 0x%08x\n", reg); 2353 printf(" Table offset: 0x%08x\n", 2354 (pcireg_t)(reg & PCI_MSIX_TBLOFFSET_MASK)); 2355 printf(" BIR: 0x%x\n", (pcireg_t)(reg & PCI_MSIX_TBLBIR_MASK)); 2356 reg = regs[o2i(capoff + PCI_MSIX_PBAOFFSET)]; 2357 printf(" Pending bit array register: 0x%08x\n", reg); 2358 printf(" Pending bit array offset: 0x%08x\n", 2359 (pcireg_t)(reg & PCI_MSIX_PBAOFFSET_MASK)); 2360 printf(" BIR: 0x%x\n", (pcireg_t)(reg & PCI_MSIX_PBABIR_MASK)); 2361 } 2362 2363 static void 2364 pci_conf_print_sata_cap(const pcireg_t *regs, int capoff) 2365 { 2366 pcireg_t reg; 2367 2368 printf("\n Serial ATA Capability Register\n"); 2369 2370 reg = regs[o2i(capoff + PCI_SATA_REV)]; 2371 printf(" Revision register: 0x%04x\n", (reg >> 16) & 0xff); 2372 printf(" Revision: %u.%u\n", 2373 (unsigned int)__SHIFTOUT(reg, PCI_SATA_REV_MAJOR), 2374 (unsigned int)__SHIFTOUT(reg, PCI_SATA_REV_MINOR)); 2375 2376 reg = regs[o2i(capoff + PCI_SATA_BAR)]; 2377 2378 printf(" BAR Register: 0x%08x\n", reg); 2379 printf(" Register location: "); 2380 if ((reg & PCI_SATA_BAR_SPEC) == PCI_SATA_BAR_INCONF) 2381 printf("in config space\n"); 2382 else { 2383 printf("BAR %d\n", (int)PCI_SATA_BAR_NUM(reg)); 2384 printf(" BAR offset: 0x%08x\n", 2385 (pcireg_t)__SHIFTOUT(reg, PCI_SATA_BAR_OFFSET) * 4); 2386 } 2387 } 2388 2389 static void 2390 pci_conf_print_pciaf_cap(const pcireg_t *regs, int capoff) 2391 { 2392 pcireg_t reg; 2393 2394 printf("\n Advanced Features Capability Register\n"); 2395 2396 reg = regs[o2i(capoff + PCI_AFCAPR)]; 2397 printf(" AF Capabilities register: 0x%02x\n", (reg >> 24) & 0xff); 2398 printf(" AF Structure Length: 0x%02x\n", 2399 (pcireg_t)__SHIFTOUT(reg, PCI_AF_LENGTH)); 2400 onoff("Transaction Pending", reg, PCI_AF_TP_CAP); 2401 onoff("Function Level Reset", reg, PCI_AF_FLR_CAP); 2402 reg = regs[o2i(capoff + PCI_AFCSR)]; 2403 printf(" AF Control register: 0x%02x\n", reg & 0xff); 2404 /* 2405 * Only PCI_AFCR_INITIATE_FLR is a member of the AF control register 2406 * and it's always 0 on read 2407 */ 2408 printf(" AF Status register: 0x%02x\n", (reg >> 8) & 0xff); 2409 onoff("Transaction Pending", reg, PCI_AFSR_TP); 2410 } 2411 2412 /* XXX pci_conf_print_ea_cap */ 2413 /* XXX pci_conf_print_fpb_cap */ 2414 2415 static struct { 2416 pcireg_t cap; 2417 const char *name; 2418 void (*printfunc)(const pcireg_t *, int); 2419 } pci_captab[] = { 2420 { PCI_CAP_RESERVED0, "reserved", NULL }, 2421 { PCI_CAP_PWRMGMT, "Power Management", pci_conf_print_pcipm_cap }, 2422 { PCI_CAP_AGP, "AGP", pci_conf_print_agp_cap }, 2423 { PCI_CAP_VPD, "VPD", NULL }, 2424 { PCI_CAP_SLOTID, "SlotID", NULL }, 2425 { PCI_CAP_MSI, "MSI", pci_conf_print_msi_cap }, 2426 { PCI_CAP_CPCI_HOTSWAP, "CompactPCI Hot-swapping", NULL }, 2427 { PCI_CAP_PCIX, "PCI-X", pci_conf_print_pcix_cap }, 2428 { PCI_CAP_LDT, "HyperTransport", pci_conf_print_ht_cap }, 2429 { PCI_CAP_VENDSPEC, "Vendor-specific", 2430 pci_conf_print_vendspec_cap }, 2431 { PCI_CAP_DEBUGPORT, "Debug Port", pci_conf_print_debugport_cap }, 2432 { PCI_CAP_CPCI_RSRCCTL, "CompactPCI Resource Control", NULL }, 2433 { PCI_CAP_HOTPLUG, "Hot-Plug", NULL }, 2434 { PCI_CAP_SUBVENDOR, "Subsystem vendor ID", 2435 pci_conf_print_subsystem_cap }, 2436 { PCI_CAP_AGP8, "AGP 8x", NULL }, 2437 { PCI_CAP_SECURE, "Secure Device", pci_conf_print_secure_cap }, 2438 { PCI_CAP_PCIEXPRESS, "PCI Express", pci_conf_print_pcie_cap }, 2439 { PCI_CAP_MSIX, "MSI-X", pci_conf_print_msix_cap }, 2440 { PCI_CAP_SATA, "SATA", pci_conf_print_sata_cap }, 2441 { PCI_CAP_PCIAF, "Advanced Features", pci_conf_print_pciaf_cap}, 2442 { PCI_CAP_EA, "Enhanced Allocation", NULL }, 2443 { PCI_CAP_FPB, "Flattening Portal Bridge", NULL } 2444 }; 2445 2446 static int 2447 pci_conf_find_cap(const pcireg_t *regs, unsigned int capid, int *offsetp) 2448 { 2449 pcireg_t rval; 2450 unsigned int capptr; 2451 int off; 2452 2453 if (!(regs[o2i(PCI_COMMAND_STATUS_REG)] & PCI_STATUS_CAPLIST_SUPPORT)) 2454 return 0; 2455 2456 /* Determine the Capability List Pointer register to start with. */ 2457 switch (PCI_HDRTYPE_TYPE(regs[o2i(PCI_BHLC_REG)])) { 2458 case 0: /* standard device header */ 2459 case 1: /* PCI-PCI bridge header */ 2460 capptr = PCI_CAPLISTPTR_REG; 2461 break; 2462 case 2: /* PCI-CardBus Bridge header */ 2463 capptr = PCI_CARDBUS_CAPLISTPTR_REG; 2464 break; 2465 default: 2466 return 0; 2467 } 2468 2469 for (off = PCI_CAPLIST_PTR(regs[o2i(capptr)]); 2470 off != 0; off = PCI_CAPLIST_NEXT(rval)) { 2471 rval = regs[o2i(off)]; 2472 if (capid == PCI_CAPLIST_CAP(rval)) { 2473 if (offsetp != NULL) 2474 *offsetp = off; 2475 return 1; 2476 } 2477 } 2478 return 0; 2479 } 2480 2481 static void 2482 pci_conf_print_caplist( 2483 #ifdef _KERNEL 2484 pci_chipset_tag_t pc, pcitag_t tag, 2485 #endif 2486 const pcireg_t *regs, int capoff) 2487 { 2488 int off; 2489 pcireg_t foundcap; 2490 pcireg_t rval; 2491 bool foundtable[__arraycount(pci_captab)]; 2492 unsigned int i; 2493 2494 /* Clear table */ 2495 for (i = 0; i < __arraycount(pci_captab); i++) 2496 foundtable[i] = false; 2497 2498 /* Print capability register's offset and the type first */ 2499 for (off = PCI_CAPLIST_PTR(regs[o2i(capoff)]); 2500 off != 0; off = PCI_CAPLIST_NEXT(regs[o2i(off)])) { 2501 rval = regs[o2i(off)]; 2502 printf(" Capability register at 0x%02x\n", off); 2503 2504 printf(" type: 0x%02x (", PCI_CAPLIST_CAP(rval)); 2505 foundcap = PCI_CAPLIST_CAP(rval); 2506 if (foundcap < __arraycount(pci_captab)) { 2507 printf("%s)\n", pci_captab[foundcap].name); 2508 /* Mark as found */ 2509 foundtable[foundcap] = true; 2510 } else 2511 printf("unknown)\n"); 2512 } 2513 2514 /* 2515 * And then, print the detail of each capability registers 2516 * in capability value's order. 2517 */ 2518 for (i = 0; i < __arraycount(pci_captab); i++) { 2519 if (foundtable[i] == false) 2520 continue; 2521 2522 /* 2523 * The type was found. Search capability list again and 2524 * print all capabilities that the capabiliy type is 2525 * the same. This is required because some capabilities 2526 * appear multiple times (e.g. HyperTransport capability). 2527 */ 2528 for (off = PCI_CAPLIST_PTR(regs[o2i(capoff)]); 2529 off != 0; off = PCI_CAPLIST_NEXT(regs[o2i(off)])) { 2530 rval = regs[o2i(off)]; 2531 if ((PCI_CAPLIST_CAP(rval) == i) 2532 && (pci_captab[i].printfunc != NULL)) 2533 pci_captab[i].printfunc(regs, off); 2534 } 2535 } 2536 } 2537 2538 /* Extended Capability */ 2539 2540 static void 2541 pci_conf_print_aer_cap_uc(pcireg_t reg) 2542 { 2543 2544 onoff("Undefined", reg, PCI_AER_UC_UNDEFINED); 2545 onoff("Data Link Protocol Error", reg, PCI_AER_UC_DL_PROTOCOL_ERROR); 2546 onoff("Surprise Down Error", reg, PCI_AER_UC_SURPRISE_DOWN_ERROR); 2547 onoff("Poisoned TLP Received", reg, PCI_AER_UC_POISONED_TLP); 2548 onoff("Flow Control Protocol Error", reg, PCI_AER_UC_FC_PROTOCOL_ERROR); 2549 onoff("Completion Timeout", reg, PCI_AER_UC_COMPLETION_TIMEOUT); 2550 onoff("Completer Abort", reg, PCI_AER_UC_COMPLETER_ABORT); 2551 onoff("Unexpected Completion", reg, PCI_AER_UC_UNEXPECTED_COMPLETION); 2552 onoff("Receiver Overflow", reg, PCI_AER_UC_RECEIVER_OVERFLOW); 2553 onoff("Malformed TLP", reg, PCI_AER_UC_MALFORMED_TLP); 2554 onoff("ECRC Error", reg, PCI_AER_UC_ECRC_ERROR); 2555 onoff("Unsupported Request Error", reg, 2556 PCI_AER_UC_UNSUPPORTED_REQUEST_ERROR); 2557 onoff("ACS Violation", reg, PCI_AER_UC_ACS_VIOLATION); 2558 onoff("Uncorrectable Internal Error", reg, PCI_AER_UC_INTERNAL_ERROR); 2559 onoff("MC Blocked TLP", reg, PCI_AER_UC_MC_BLOCKED_TLP); 2560 onoff("AtomicOp Egress BLK", reg, PCI_AER_UC_ATOMIC_OP_EGRESS_BLOCKED); 2561 onoff("TLP Prefix Blocked Error", reg, 2562 PCI_AER_UC_TLP_PREFIX_BLOCKED_ERROR); 2563 onoff("Poisoned TLP Egress Blocked", reg, 2564 PCI_AER_UC_POISONTLP_EGRESS_BLOCKED); 2565 } 2566 2567 static void 2568 pci_conf_print_aer_cap_cor(pcireg_t reg) 2569 { 2570 2571 onoff("Receiver Error", reg, PCI_AER_COR_RECEIVER_ERROR); 2572 onoff("Bad TLP", reg, PCI_AER_COR_BAD_TLP); 2573 onoff("Bad DLLP", reg, PCI_AER_COR_BAD_DLLP); 2574 onoff("REPLAY_NUM Rollover", reg, PCI_AER_COR_REPLAY_NUM_ROLLOVER); 2575 onoff("Replay Timer Timeout", reg, PCI_AER_COR_REPLAY_TIMER_TIMEOUT); 2576 onoff("Advisory Non-Fatal Error", reg, PCI_AER_COR_ADVISORY_NF_ERROR); 2577 onoff("Corrected Internal Error", reg, PCI_AER_COR_INTERNAL_ERROR); 2578 onoff("Header Log Overflow", reg, PCI_AER_COR_HEADER_LOG_OVERFLOW); 2579 } 2580 2581 static void 2582 pci_conf_print_aer_cap_control(pcireg_t reg, bool *tlp_prefix_log) 2583 { 2584 2585 printf(" First Error Pointer: 0x%04x\n", 2586 (pcireg_t)__SHIFTOUT(reg, PCI_AER_FIRST_ERROR_PTR)); 2587 onoff("ECRC Generation Capable", reg, PCI_AER_ECRC_GEN_CAPABLE); 2588 onoff("ECRC Generation Enable", reg, PCI_AER_ECRC_GEN_ENABLE); 2589 onoff("ECRC Check Capable", reg, PCI_AER_ECRC_CHECK_CAPABLE); 2590 onoff("ECRC Check Enable", reg, PCI_AER_ECRC_CHECK_ENABLE); 2591 onoff("Multiple Header Recording Capable", reg, 2592 PCI_AER_MULT_HDR_CAPABLE); 2593 onoff("Multiple Header Recording Enable", reg,PCI_AER_MULT_HDR_ENABLE); 2594 onoff("Completion Timeout Prefix/Header Log Capable", reg, 2595 PCI_AER_COMPTOUTPRFXHDRLOG_CAP); 2596 2597 /* This bit is RsvdP if the End-End TLP Prefix Supported bit is Clear */ 2598 if (!tlp_prefix_log) 2599 return; 2600 onoff("TLP Prefix Log Present", reg, PCI_AER_TLP_PREFIX_LOG_PRESENT); 2601 *tlp_prefix_log = (reg & PCI_AER_TLP_PREFIX_LOG_PRESENT) ? true : false; 2602 } 2603 2604 static void 2605 pci_conf_print_aer_cap_rooterr_cmd(pcireg_t reg) 2606 { 2607 2608 onoff("Correctable Error Reporting Enable", reg, 2609 PCI_AER_ROOTERR_COR_ENABLE); 2610 onoff("Non-Fatal Error Reporting Enable", reg, 2611 PCI_AER_ROOTERR_NF_ENABLE); 2612 onoff("Fatal Error Reporting Enable", reg, PCI_AER_ROOTERR_F_ENABLE); 2613 } 2614 2615 static void 2616 pci_conf_print_aer_cap_rooterr_status(pcireg_t reg) 2617 { 2618 2619 onoff("ERR_COR Received", reg, PCI_AER_ROOTERR_COR_ERR); 2620 onoff("Multiple ERR_COR Received", reg, PCI_AER_ROOTERR_MULTI_COR_ERR); 2621 onoff("ERR_FATAL/NONFATAL_ERR Received", reg, PCI_AER_ROOTERR_UC_ERR); 2622 onoff("Multiple ERR_FATAL/NONFATAL_ERR Received", reg, 2623 PCI_AER_ROOTERR_MULTI_UC_ERR); 2624 onoff("First Uncorrectable Fatal", reg,PCI_AER_ROOTERR_FIRST_UC_FATAL); 2625 onoff("Non-Fatal Error Messages Received", reg,PCI_AER_ROOTERR_NF_ERR); 2626 onoff("Fatal Error Messages Received", reg, PCI_AER_ROOTERR_F_ERR); 2627 printf(" Advanced Error Interrupt Message Number: 0x%02x\n", 2628 (unsigned int)__SHIFTOUT(reg, PCI_AER_ROOTERR_INT_MESSAGE)); 2629 } 2630 2631 static void 2632 pci_conf_print_aer_cap_errsrc_id(pcireg_t reg) 2633 { 2634 2635 printf(" Correctable Source ID: 0x%04x\n", 2636 (pcireg_t)__SHIFTOUT(reg, PCI_AER_ERRSRC_ID_ERR_COR)); 2637 printf(" ERR_FATAL/NONFATAL Source ID: 0x%04x\n", 2638 (pcireg_t)__SHIFTOUT(reg, PCI_AER_ERRSRC_ID_ERR_UC)); 2639 } 2640 2641 static void 2642 pci_conf_print_aer_cap(const pcireg_t *regs, int extcapoff) 2643 { 2644 pcireg_t reg; 2645 int pcie_capoff; 2646 int pcie_devtype = -1; 2647 bool tlp_prefix_log = false; 2648 2649 if (pci_conf_find_cap(regs, PCI_CAP_PCIEXPRESS, &pcie_capoff)) { 2650 reg = regs[o2i(pcie_capoff)]; 2651 pcie_devtype = PCIE_XCAP_TYPE(reg); 2652 /* PCIe DW9 to DW14 is for PCIe 2.0 and newer */ 2653 if (__SHIFTOUT(reg, PCIE_XCAP_VER_MASK) >= 2) { 2654 reg = regs[o2i(pcie_capoff + PCIE_DCAP2)]; 2655 /* End-End TLP Prefix Supported */ 2656 if (reg & PCIE_DCAP2_EETLP_PREF) { 2657 tlp_prefix_log = true; 2658 } 2659 } 2660 } 2661 2662 printf("\n Advanced Error Reporting Register\n"); 2663 2664 reg = regs[o2i(extcapoff + PCI_AER_UC_STATUS)]; 2665 printf(" Uncorrectable Error Status register: 0x%08x\n", reg); 2666 pci_conf_print_aer_cap_uc(reg); 2667 reg = regs[o2i(extcapoff + PCI_AER_UC_MASK)]; 2668 printf(" Uncorrectable Error Mask register: 0x%08x\n", reg); 2669 pci_conf_print_aer_cap_uc(reg); 2670 reg = regs[o2i(extcapoff + PCI_AER_UC_SEVERITY)]; 2671 printf(" Uncorrectable Error Severity register: 0x%08x\n", reg); 2672 pci_conf_print_aer_cap_uc(reg); 2673 2674 reg = regs[o2i(extcapoff + PCI_AER_COR_STATUS)]; 2675 printf(" Correctable Error Status register: 0x%08x\n", reg); 2676 pci_conf_print_aer_cap_cor(reg); 2677 reg = regs[o2i(extcapoff + PCI_AER_COR_MASK)]; 2678 printf(" Correctable Error Mask register: 0x%08x\n", reg); 2679 pci_conf_print_aer_cap_cor(reg); 2680 2681 reg = regs[o2i(extcapoff + PCI_AER_CAP_CONTROL)]; 2682 printf(" Advanced Error Capabilities and Control register: 0x%08x\n", 2683 reg); 2684 pci_conf_print_aer_cap_control(reg, &tlp_prefix_log); 2685 reg = regs[o2i(extcapoff + PCI_AER_HEADER_LOG)]; 2686 printf(" Header Log register:\n"); 2687 pci_conf_print_regs(regs, extcapoff + PCI_AER_HEADER_LOG, 2688 extcapoff + PCI_AER_ROOTERR_CMD); 2689 2690 switch (pcie_devtype) { 2691 case PCIE_XCAP_TYPE_ROOT: /* Root Port of PCI Express Root Complex */ 2692 case PCIE_XCAP_TYPE_ROOT_EVNTC: /* Root Complex Event Collector */ 2693 reg = regs[o2i(extcapoff + PCI_AER_ROOTERR_CMD)]; 2694 printf(" Root Error Command register: 0x%08x\n", reg); 2695 pci_conf_print_aer_cap_rooterr_cmd(reg); 2696 reg = regs[o2i(extcapoff + PCI_AER_ROOTERR_STATUS)]; 2697 printf(" Root Error Status register: 0x%08x\n", reg); 2698 pci_conf_print_aer_cap_rooterr_status(reg); 2699 2700 reg = regs[o2i(extcapoff + PCI_AER_ERRSRC_ID)]; 2701 printf(" Error Source Identification register: 0x%08x\n", 2702 reg); 2703 pci_conf_print_aer_cap_errsrc_id(reg); 2704 break; 2705 } 2706 2707 if (tlp_prefix_log) { 2708 reg = regs[o2i(extcapoff + PCI_AER_TLP_PREFIX_LOG)]; 2709 printf(" TLP Prefix Log register: 0x%08x\n", reg); 2710 } 2711 } 2712 2713 static void 2714 pci_conf_print_vc_cap_arbtab(const pcireg_t *regs, int off, const char *name, 2715 pcireg_t parbsel, int parbsize) 2716 { 2717 pcireg_t reg; 2718 int num = 16 << parbsel; 2719 int num_per_reg = sizeof(pcireg_t) / parbsize; 2720 int i, j; 2721 2722 /* First, dump the table */ 2723 for (i = 0; i < num; i += num_per_reg) { 2724 reg = regs[o2i(off + i / num_per_reg)]; 2725 printf(" %s Arbitration Table: 0x%08x\n", name, reg); 2726 } 2727 /* And then, decode each entry */ 2728 for (i = 0; i < num; i += num_per_reg) { 2729 reg = regs[o2i(off + i / num_per_reg)]; 2730 for (j = 0; j < num_per_reg; j++) 2731 printf(" Phase[%d]: %d\n", j, reg); 2732 } 2733 } 2734 2735 static void 2736 pci_conf_print_vc_cap(const pcireg_t *regs, int extcapoff) 2737 { 2738 pcireg_t reg, n; 2739 int parbtab, parbsize; 2740 pcireg_t parbsel; 2741 int varbtab, varbsize; 2742 pcireg_t varbsel; 2743 int i, count; 2744 2745 printf("\n Virtual Channel Register\n"); 2746 reg = regs[o2i(extcapoff + PCI_VC_CAP1)]; 2747 printf(" Port VC Capability register 1: 0x%08x\n", reg); 2748 count = __SHIFTOUT(reg, PCI_VC_CAP1_EXT_COUNT); 2749 printf(" Extended VC Count: %d\n", count); 2750 n = __SHIFTOUT(reg, PCI_VC_CAP1_LOWPRI_EXT_COUNT); 2751 printf(" Low Priority Extended VC Count: %u\n", n); 2752 n = __SHIFTOUT(reg, PCI_VC_CAP1_REFCLK); 2753 printf(" Reference Clock: %s\n", 2754 (n == PCI_VC_CAP1_REFCLK_100NS) ? "100ns" : "unknown"); 2755 parbsize = 1 << __SHIFTOUT(reg, PCI_VC_CAP1_PORT_ARB_TABLE_SIZE); 2756 printf(" Port Arbitration Table Entry Size: %dbit\n", parbsize); 2757 2758 reg = regs[o2i(extcapoff + PCI_VC_CAP2)]; 2759 printf(" Port VC Capability register 2: 0x%08x\n", reg); 2760 onoff("Hardware fixed arbitration scheme", 2761 reg, PCI_VC_CAP2_ARB_CAP_HW_FIXED_SCHEME); 2762 onoff("WRR arbitration with 32 phases", 2763 reg, PCI_VC_CAP2_ARB_CAP_WRR_32); 2764 onoff("WRR arbitration with 64 phases", 2765 reg, PCI_VC_CAP2_ARB_CAP_WRR_64); 2766 onoff("WRR arbitration with 128 phases", 2767 reg, PCI_VC_CAP2_ARB_CAP_WRR_128); 2768 varbtab = __SHIFTOUT(reg, PCI_VC_CAP2_ARB_TABLE_OFFSET); 2769 printf(" VC Arbitration Table Offset: 0x%x\n", varbtab); 2770 2771 reg = regs[o2i(extcapoff + PCI_VC_CONTROL)] & 0xffff; 2772 printf(" Port VC Control register: 0x%04x\n", reg); 2773 varbsel = __SHIFTOUT(reg, PCI_VC_CONTROL_VC_ARB_SELECT); 2774 printf(" VC Arbitration Select: 0x%x\n", varbsel); 2775 2776 reg = regs[o2i(extcapoff + PCI_VC_STATUS)] >> 16; 2777 printf(" Port VC Status register: 0x%04x\n", reg); 2778 onoff("VC Arbitration Table Status", 2779 reg, PCI_VC_STATUS_LOAD_VC_ARB_TABLE); 2780 2781 for (i = 0; i < count + 1; i++) { 2782 reg = regs[o2i(extcapoff + PCI_VC_RESOURCE_CAP(i))]; 2783 printf(" VC number %d\n", i); 2784 printf(" VC Resource Capability Register: 0x%08x\n", reg); 2785 onoff(" Non-configurable Hardware fixed arbitration scheme", 2786 reg, PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_HW_FIXED_SCHEME); 2787 onoff(" WRR arbitration with 32 phases", 2788 reg, PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_32); 2789 onoff(" WRR arbitration with 64 phases", 2790 reg, PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_64); 2791 onoff(" WRR arbitration with 128 phases", 2792 reg, PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_128); 2793 onoff(" Time-based WRR arbitration with 128 phases", 2794 reg, PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_TWRR_128); 2795 onoff(" WRR arbitration with 256 phases", 2796 reg, PCI_VC_RESOURCE_CAP_PORT_ARB_CAP_WRR_256); 2797 onoff(" Advanced Packet Switching", 2798 reg, PCI_VC_RESOURCE_CAP_ADV_PKT_SWITCH); 2799 onoff(" Reject Snoop Transaction", 2800 reg, PCI_VC_RESOURCE_CAP_REJCT_SNOOP_TRANS); 2801 n = __SHIFTOUT(reg, PCI_VC_RESOURCE_CAP_MAX_TIME_SLOTS) + 1; 2802 printf(" Maximum Time Slots: %d\n", n); 2803 parbtab = reg >> PCI_VC_RESOURCE_CAP_PORT_ARB_TABLE_OFFSET_S; 2804 printf(" Port Arbitration Table offset: 0x%02x\n", 2805 parbtab); 2806 2807 reg = regs[o2i(extcapoff + PCI_VC_RESOURCE_CTL(i))]; 2808 printf(" VC Resource Control Register: 0x%08x\n", reg); 2809 printf(" TC/VC Map: 0x%02x\n", 2810 (pcireg_t)__SHIFTOUT(reg, PCI_VC_RESOURCE_CTL_TCVC_MAP)); 2811 /* 2812 * The load Port Arbitration Table bit is used to update 2813 * the Port Arbitration logic and it's always 0 on read, so 2814 * we don't print it. 2815 */ 2816 parbsel = __SHIFTOUT(reg, PCI_VC_RESOURCE_CTL_PORT_ARB_SELECT); 2817 printf(" Port Arbitration Select: 0x%x\n", parbsel); 2818 n = __SHIFTOUT(reg, PCI_VC_RESOURCE_CTL_VC_ID); 2819 printf(" VC ID: %d\n", n); 2820 onoff(" VC Enable", reg, PCI_VC_RESOURCE_CTL_VC_ENABLE); 2821 2822 reg = regs[o2i(extcapoff + PCI_VC_RESOURCE_STA(i))] >> 16; 2823 printf(" VC Resource Status Register: 0x%08x\n", reg); 2824 onoff(" Port Arbitration Table Status", 2825 reg, PCI_VC_RESOURCE_STA_PORT_ARB_TABLE); 2826 onoff(" VC Negotiation Pending", 2827 reg, PCI_VC_RESOURCE_STA_VC_NEG_PENDING); 2828 2829 if ((parbtab != 0) && (parbsel != 0)) 2830 pci_conf_print_vc_cap_arbtab(regs, extcapoff + parbtab, 2831 "Port", parbsel, parbsize); 2832 } 2833 2834 varbsize = 8; 2835 if ((varbtab != 0) && (varbsel != 0)) 2836 pci_conf_print_vc_cap_arbtab(regs, extcapoff + varbtab, 2837 " VC", varbsel, varbsize); 2838 } 2839 2840 /* 2841 * Print Power limit. This encoding is the same among the following registers: 2842 * - The Captured Slot Power Limit in the PCIe Device Capability Register. 2843 * - The Slot Power Limit in the PCIe Slot Capability Register. 2844 * - The Base Power in the Data register of Power Budgeting capability. 2845 */ 2846 static void 2847 pci_conf_print_pcie_power(uint8_t base, unsigned int scale) 2848 { 2849 unsigned int sdiv = 1; 2850 2851 if ((scale == 0) && (base > 0xef)) { 2852 const char *s; 2853 2854 switch (base) { 2855 case 0xf0: 2856 s = "239W < x <= 250W"; 2857 break; 2858 case 0xf1: 2859 s = "250W < x <= 275W"; 2860 break; 2861 case 0xf2: 2862 s = "275W < x <= 300W"; 2863 break; 2864 default: 2865 s = "reserved for greater than 300W"; 2866 break; 2867 } 2868 printf("%s\n", s); 2869 return; 2870 } 2871 2872 for (unsigned int i = scale; i > 0; i--) 2873 sdiv *= 10; 2874 2875 printf("%u", base / sdiv); 2876 2877 if (scale != 0) { 2878 printf(".%u", base % sdiv); 2879 } 2880 printf ("W\n"); 2881 return; 2882 } 2883 2884 static const char * 2885 pci_conf_print_pwrbdgt_type(uint8_t reg) 2886 { 2887 2888 switch (reg) { 2889 case 0x00: 2890 return "PME Aux"; 2891 case 0x01: 2892 return "Auxilary"; 2893 case 0x02: 2894 return "Idle"; 2895 case 0x03: 2896 return "Sustained"; 2897 case 0x04: 2898 return "Sustained (Emergency Power Reduction)"; 2899 case 0x05: 2900 return "Maximum (Emergency Power Reduction)"; 2901 case 0x07: 2902 return "Maximum"; 2903 default: 2904 return "Unknown"; 2905 } 2906 } 2907 2908 static const char * 2909 pci_conf_print_pwrbdgt_pwrrail(uint8_t reg) 2910 { 2911 2912 switch (reg) { 2913 case 0x00: 2914 return "Power(12V)"; 2915 case 0x01: 2916 return "Power(3.3V)"; 2917 case 0x02: 2918 return "Power(1.5V or 1.8V)"; 2919 case 0x07: 2920 return "Thermal"; 2921 default: 2922 return "Unknown"; 2923 } 2924 } 2925 2926 static void 2927 pci_conf_print_pwrbdgt_cap(const pcireg_t *regs, int extcapoff) 2928 { 2929 pcireg_t reg; 2930 2931 printf("\n Power Budgeting\n"); 2932 2933 reg = regs[o2i(extcapoff + PCI_PWRBDGT_DSEL)]; 2934 printf(" Data Select register: 0x%08x\n", reg); 2935 2936 reg = regs[o2i(extcapoff + PCI_PWRBDGT_DATA)]; 2937 printf(" Data register: 0x%08x\n", reg); 2938 printf(" Base Power: "); 2939 pci_conf_print_pcie_power( 2940 __SHIFTOUT(reg, PCI_PWRBDGT_DATA_BASEPWR), 2941 __SHIFTOUT(reg, PCI_PWRBDGT_DATA_SCALE)); 2942 printf(" PM Sub State: 0x%hhx\n", 2943 (uint8_t)__SHIFTOUT(reg, PCI_PWRBDGT_PM_SUBSTAT)); 2944 printf(" PM State: D%u\n", 2945 (unsigned int)__SHIFTOUT(reg, PCI_PWRBDGT_PM_STAT)); 2946 printf(" Type: %s\n", 2947 pci_conf_print_pwrbdgt_type( 2948 (uint8_t)(__SHIFTOUT(reg, PCI_PWRBDGT_TYPE)))); 2949 printf(" Power Rail: %s\n", 2950 pci_conf_print_pwrbdgt_pwrrail( 2951 (uint8_t)(__SHIFTOUT(reg, PCI_PWRBDGT_PWRRAIL)))); 2952 2953 reg = regs[o2i(extcapoff + PCI_PWRBDGT_CAP)]; 2954 printf(" Power Budget Capability register: 0x%08x\n", reg); 2955 onoff("System Allocated", 2956 reg, PCI_PWRBDGT_CAP_SYSALLOC); 2957 } 2958 2959 static const char * 2960 pci_conf_print_rclink_dcl_cap_elmtype(unsigned char type) 2961 { 2962 2963 switch (type) { 2964 case 0x00: 2965 return "Configuration Space Element"; 2966 case 0x01: 2967 return "System Egress Port or internal sink (memory)"; 2968 case 0x02: 2969 return "Internal Root Complex Link"; 2970 default: 2971 return "Unknown"; 2972 } 2973 } 2974 2975 static void 2976 pci_conf_print_rclink_dcl_cap(const pcireg_t *regs, int extcapoff) 2977 { 2978 pcireg_t reg; 2979 unsigned char nent, linktype; 2980 int i; 2981 2982 printf("\n Root Complex Link Declaration\n"); 2983 2984 reg = regs[o2i(extcapoff + PCI_RCLINK_DCL_ESDESC)]; 2985 printf(" Element Self Description Register: 0x%08x\n", reg); 2986 printf(" Element Type: %s\n", 2987 pci_conf_print_rclink_dcl_cap_elmtype((unsigned char)reg)); 2988 nent = __SHIFTOUT(reg, PCI_RCLINK_DCL_ESDESC_NUMLINKENT); 2989 printf(" Number of Link Entries: %hhu\n", nent); 2990 printf(" Component ID: %hhu\n", 2991 (uint8_t)__SHIFTOUT(reg, PCI_RCLINK_DCL_ESDESC_COMPID)); 2992 printf(" Port Number: %hhu\n", 2993 (uint8_t)__SHIFTOUT(reg, PCI_RCLINK_DCL_ESDESC_PORTNUM)); 2994 for (i = 0; i < nent; i++) { 2995 reg = regs[o2i(extcapoff + PCI_RCLINK_DCL_LINKDESC(i))]; 2996 printf(" Link Entry %d:\n", i + 1); 2997 printf(" Link Description Register: 0x%08x\n", reg); 2998 onoff(" Link Valid", reg,PCI_RCLINK_DCL_LINKDESC_LVALID); 2999 linktype = reg & PCI_RCLINK_DCL_LINKDESC_LTYPE; 3000 onoff2(" Link Type", reg, PCI_RCLINK_DCL_LINKDESC_LTYPE, 3001 "Configuration Space", "Memory-Mapped Space"); 3002 onoff(" Associated RCRB Header", reg, 3003 PCI_RCLINK_DCL_LINKDESC_ARCRBH); 3004 printf(" Target Component ID: %hhu\n", 3005 (unsigned char)__SHIFTOUT(reg, 3006 PCI_RCLINK_DCL_LINKDESC_TCOMPID)); 3007 printf(" Target Port Number: %hhu\n", 3008 (unsigned char)__SHIFTOUT(reg, 3009 PCI_RCLINK_DCL_LINKDESC_TPNUM)); 3010 3011 if (linktype == 0) { 3012 /* Memory-Mapped Space */ 3013 reg = regs[o2i(extcapoff 3014 + PCI_RCLINK_DCL_LINKADDR_LT0_LO(i))]; 3015 printf(" Link Address Low Register: 0x%08x\n", 3016 reg); 3017 reg = regs[o2i(extcapoff 3018 + PCI_RCLINK_DCL_LINKADDR_LT0_HI(i))]; 3019 printf(" Link Address High Register: 0x%08x\n", 3020 reg); 3021 } else { 3022 unsigned int nb; 3023 pcireg_t lo, hi; 3024 3025 /* Configuration Space */ 3026 lo = regs[o2i(extcapoff 3027 + PCI_RCLINK_DCL_LINKADDR_LT1_LO(i))]; 3028 printf(" Configuration Space Low Register: " 3029 "0x%08x\n", lo); 3030 hi = regs[o2i(extcapoff 3031 + PCI_RCLINK_DCL_LINKADDR_LT1_HI(i))]; 3032 printf(" Configuration Space High Register: " 3033 "0x%08x\n", hi); 3034 nb = __SHIFTOUT(lo, PCI_RCLINK_DCL_LINKADDR_LT1_N); 3035 printf(" N: %u\n", nb); 3036 printf(" Func: %hhu\n", 3037 (unsigned char)__SHIFTOUT(lo, 3038 PCI_RCLINK_DCL_LINKADDR_LT1_FUNC)); 3039 printf(" Dev: %hhu\n", 3040 (unsigned char)__SHIFTOUT(lo, 3041 PCI_RCLINK_DCL_LINKADDR_LT1_DEV)); 3042 printf(" Bus: %hhu\n", 3043 (unsigned char)__SHIFTOUT(lo, 3044 PCI_RCLINK_DCL_LINKADDR_LT1_BUS(nb))); 3045 lo &= PCI_RCLINK_DCL_LINKADDR_LT1_BAL(i); 3046 printf(" Configuration Space Base Address: " 3047 "0x%016" PRIx64 "\n", ((uint64_t)hi << 32) + lo); 3048 } 3049 } 3050 } 3051 3052 /* XXX pci_conf_print_rclink_ctl_cap */ 3053 3054 static void 3055 pci_conf_print_rcec_assoc_cap(const pcireg_t *regs, int extcapoff) 3056 { 3057 pcireg_t reg; 3058 3059 printf("\n Root Complex Event Collector Association\n"); 3060 3061 reg = regs[o2i(extcapoff + PCI_RCEC_ASSOC_ASSOCBITMAP)]; 3062 printf(" Association Bitmap for Root Complex Integrated Devices:" 3063 " 0x%08x\n", reg); 3064 } 3065 3066 /* XXX pci_conf_print_mfvc_cap */ 3067 /* XXX pci_conf_print_vc2_cap */ 3068 /* XXX pci_conf_print_rcrb_cap */ 3069 /* XXX pci_conf_print_vendor_cap */ 3070 /* XXX pci_conf_print_cac_cap */ 3071 3072 static void 3073 pci_conf_print_acs_cap(const pcireg_t *regs, int extcapoff) 3074 { 3075 pcireg_t reg, cap, ctl; 3076 unsigned int size, i; 3077 3078 printf("\n Access Control Services\n"); 3079 3080 reg = regs[o2i(extcapoff + PCI_ACS_CAP)]; 3081 cap = reg & 0xffff; 3082 ctl = reg >> 16; 3083 printf(" ACS Capability register: 0x%08x\n", cap); 3084 onoff("ACS Source Validation", cap, PCI_ACS_CAP_V); 3085 onoff("ACS Transaction Blocking", cap, PCI_ACS_CAP_B); 3086 onoff("ACS P2P Request Redirect", cap, PCI_ACS_CAP_R); 3087 onoff("ACS P2P Completion Redirect", cap, PCI_ACS_CAP_C); 3088 onoff("ACS Upstream Forwarding", cap, PCI_ACS_CAP_U); 3089 onoff("ACS Egress Control", cap, PCI_ACS_CAP_E); 3090 onoff("ACS Direct Translated P2P", cap, PCI_ACS_CAP_T); 3091 size = __SHIFTOUT(cap, PCI_ACS_CAP_ECVSIZE); 3092 if (size == 0) 3093 size = 256; 3094 printf(" Egress Control Vector Size: %u\n", size); 3095 printf(" ACS Control register: 0x%08x\n", ctl); 3096 onoff("ACS Source Validation Enable", ctl, PCI_ACS_CTL_V); 3097 onoff("ACS Transaction Blocking Enable", ctl, PCI_ACS_CTL_B); 3098 onoff("ACS P2P Request Redirect Enable", ctl, PCI_ACS_CTL_R); 3099 onoff("ACS P2P Completion Redirect Enable", ctl, PCI_ACS_CTL_C); 3100 onoff("ACS Upstream Forwarding Enable", ctl, PCI_ACS_CTL_U); 3101 onoff("ACS Egress Control Enable", ctl, PCI_ACS_CTL_E); 3102 onoff("ACS Direct Translated P2P Enable", ctl, PCI_ACS_CTL_T); 3103 3104 /* 3105 * If the P2P Egress Control Capability bit is 0, ignore the Egress 3106 * Control vector. 3107 */ 3108 if ((cap & PCI_ACS_CAP_E) == 0) 3109 return; 3110 for (i = 0; i < size; i += 32) 3111 printf(" Egress Control Vector [%u..%u]: 0x%08x\n", i + 31, 3112 i, regs[o2i(extcapoff + PCI_ACS_ECV + (i / 32) * 4 )]); 3113 } 3114 3115 static void 3116 pci_conf_print_ari_cap(const pcireg_t *regs, int extcapoff) 3117 { 3118 pcireg_t reg, cap, ctl; 3119 3120 printf("\n Alternative Routing-ID Interpretation Register\n"); 3121 3122 reg = regs[o2i(extcapoff + PCI_ARI_CAP)]; 3123 cap = reg & 0xffff; 3124 ctl = reg >> 16; 3125 printf(" Capability register: 0x%08x\n", cap); 3126 onoff("MVFC Function Groups Capability", reg, PCI_ARI_CAP_M); 3127 onoff("ACS Function Groups Capability", reg, PCI_ARI_CAP_A); 3128 printf(" Next Function Number: %u\n", 3129 (unsigned int)__SHIFTOUT(reg, PCI_ARI_CAP_NXTFN)); 3130 printf(" Control register: 0x%08x\n", ctl); 3131 onoff("MVFC Function Groups Enable", reg, PCI_ARI_CTL_M); 3132 onoff("ACS Function Groups Enable", reg, PCI_ARI_CTL_A); 3133 printf(" Function Group: %u\n", 3134 (unsigned int)__SHIFTOUT(reg, PCI_ARI_CTL_FUNCGRP)); 3135 } 3136 3137 static void 3138 pci_conf_print_ats_cap(const pcireg_t *regs, int extcapoff) 3139 { 3140 pcireg_t reg, cap, ctl; 3141 unsigned int num; 3142 3143 printf("\n Address Translation Services\n"); 3144 3145 reg = regs[o2i(extcapoff + PCI_ARI_CAP)]; 3146 cap = reg & 0xffff; 3147 ctl = reg >> 16; 3148 printf(" Capability register: 0x%04x\n", cap); 3149 num = __SHIFTOUT(reg, PCI_ATS_CAP_INVQDEPTH); 3150 if (num == 0) 3151 num = 32; 3152 printf(" Invalidate Queue Depth: %u\n", num); 3153 onoff("Page Aligned Request", reg, PCI_ATS_CAP_PALIGNREQ); 3154 onoff("Global Invalidate", reg, PCI_ATS_CAP_GLOBALINVL); 3155 3156 printf(" Control register: 0x%04x\n", ctl); 3157 printf(" Smallest Translation Unit: %u\n", 3158 (unsigned int)__SHIFTOUT(reg, PCI_ATS_CTL_STU)); 3159 onoff("Enable", reg, PCI_ATS_CTL_EN); 3160 } 3161 3162 static void 3163 pci_conf_print_sernum_cap(const pcireg_t *regs, int extcapoff) 3164 { 3165 pcireg_t lo, hi; 3166 3167 printf("\n Device Serial Number Register\n"); 3168 3169 lo = regs[o2i(extcapoff + PCI_SERIAL_LOW)]; 3170 hi = regs[o2i(extcapoff + PCI_SERIAL_HIGH)]; 3171 printf(" Serial Number: %02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\n", 3172 hi >> 24, (hi >> 16) & 0xff, (hi >> 8) & 0xff, hi & 0xff, 3173 lo >> 24, (lo >> 16) & 0xff, (lo >> 8) & 0xff, lo & 0xff); 3174 } 3175 3176 static void 3177 pci_conf_print_sriov_cap(const pcireg_t *regs, int extcapoff) 3178 { 3179 char buf[sizeof("99999 MB")]; 3180 pcireg_t reg; 3181 pcireg_t total_vfs; 3182 int i; 3183 bool first; 3184 3185 printf("\n Single Root IO Virtualization Register\n"); 3186 3187 reg = regs[o2i(extcapoff + PCI_SRIOV_CAP)]; 3188 printf(" Capabilities register: 0x%08x\n", reg); 3189 onoff("VF Migration Capable", reg, PCI_SRIOV_CAP_VF_MIGRATION); 3190 onoff("ARI Capable Hierarchy Preserved", reg, 3191 PCI_SRIOV_CAP_ARI_CAP_HIER_PRESERVED); 3192 if (reg & PCI_SRIOV_CAP_VF_MIGRATION) { 3193 printf(" VF Migration Interrupt Message Number: 0x%03x\n", 3194 (pcireg_t)__SHIFTOUT(reg, 3195 PCI_SRIOV_CAP_VF_MIGRATION_INTMSG_N)); 3196 } 3197 3198 reg = regs[o2i(extcapoff + PCI_SRIOV_CTL)] & 0xffff; 3199 printf(" Control register: 0x%04x\n", reg); 3200 onoff("VF Enable", reg, PCI_SRIOV_CTL_VF_ENABLE); 3201 onoff("VF Migration Enable", reg, PCI_SRIOV_CTL_VF_MIGRATION_SUPPORT); 3202 onoff("VF Migration Interrupt Enable", reg, 3203 PCI_SRIOV_CTL_VF_MIGRATION_INT_ENABLE); 3204 onoff("VF Memory Space Enable", reg, PCI_SRIOV_CTL_VF_MSE); 3205 onoff("ARI Capable Hierarchy", reg, PCI_SRIOV_CTL_ARI_CAP_HIER); 3206 3207 reg = regs[o2i(extcapoff + PCI_SRIOV_STA)] >> 16; 3208 printf(" Status register: 0x%04x\n", reg); 3209 onoff("VF Migration Status", reg, PCI_SRIOV_STA_VF_MIGRATION); 3210 3211 reg = regs[o2i(extcapoff + PCI_SRIOV_INITIAL_VFS)] & 0xffff; 3212 printf(" InitialVFs register: 0x%04x\n", reg); 3213 total_vfs = reg = regs[o2i(extcapoff + PCI_SRIOV_TOTAL_VFS)] >> 16; 3214 printf(" TotalVFs register: 0x%04x\n", reg); 3215 reg = regs[o2i(extcapoff + PCI_SRIOV_NUM_VFS)] & 0xffff; 3216 printf(" NumVFs register: 0x%04x\n", reg); 3217 3218 reg = regs[o2i(extcapoff + PCI_SRIOV_FUNC_DEP_LINK)] >> 16; 3219 printf(" Function Dependency Link register: 0x%04x\n", reg); 3220 3221 reg = regs[o2i(extcapoff + PCI_SRIOV_VF_OFF)] & 0xffff; 3222 printf(" First VF Offset register: 0x%04x\n", reg); 3223 reg = regs[o2i(extcapoff + PCI_SRIOV_VF_STRIDE)] >> 16; 3224 printf(" VF Stride register: 0x%04x\n", reg); 3225 reg = regs[o2i(extcapoff + PCI_SRIOV_VF_DID)] >> 16; 3226 printf(" Device ID: 0x%04x\n", reg); 3227 3228 reg = regs[o2i(extcapoff + PCI_SRIOV_PAGE_CAP)]; 3229 printf(" Supported Page Sizes register: 0x%08x\n", reg); 3230 printf(" Supported Page Size:"); 3231 for (i = 0, first = true; i < 32; i++) { 3232 if (reg & __BIT(i)) { 3233 #ifdef _KERNEL 3234 format_bytes(buf, sizeof(buf), 1LL << (i + 12)); 3235 #else 3236 humanize_number(buf, sizeof(buf), 1LL << (i + 12), "B", 3237 HN_AUTOSCALE, 0); 3238 #endif 3239 printf("%s %s", first ? "" : ",", buf); 3240 first = false; 3241 } 3242 } 3243 printf("\n"); 3244 3245 reg = regs[o2i(extcapoff + PCI_SRIOV_PAGE_SIZE)]; 3246 printf(" System Page Sizes register: 0x%08x\n", reg); 3247 printf(" Page Size: "); 3248 if (reg != 0) { 3249 int bitpos = ffs(reg) -1; 3250 3251 /* Assume only one bit is set. */ 3252 #ifdef _KERNEL 3253 format_bytes(buf, sizeof(buf), 1LL << (bitpos + 12)); 3254 #else 3255 humanize_number(buf, sizeof(buf), 1LL << (bitpos + 12), 3256 "B", HN_AUTOSCALE, 0); 3257 #endif 3258 printf("%s", buf); 3259 } else { 3260 printf("unknown"); 3261 } 3262 printf("\n"); 3263 3264 for (i = 0; i < 6; i++) { 3265 reg = regs[o2i(extcapoff + PCI_SRIOV_BAR(i))]; 3266 printf(" VF BAR%d register: 0x%08x\n", i, reg); 3267 } 3268 3269 if (total_vfs > 0) { 3270 reg = regs[o2i(extcapoff + PCI_SRIOV_VF_MIG_STA_AR)]; 3271 printf(" VF Migration State Array Offset register: 0x%08x\n", 3272 reg); 3273 printf(" VF Migration State Offset: 0x%08x\n", 3274 (pcireg_t)__SHIFTOUT(reg, PCI_SRIOV_VF_MIG_STA_OFFSET)); 3275 i = __SHIFTOUT(reg, PCI_SRIOV_VF_MIG_STA_BIR); 3276 printf(" VF Migration State BIR: "); 3277 if (i >= 0 && i <= 5) { 3278 printf("BAR%d", i); 3279 } else { 3280 printf("unknown BAR (%d)", i); 3281 } 3282 printf("\n"); 3283 } 3284 } 3285 3286 /* XXX pci_conf_print_mriov_cap */ 3287 3288 static void 3289 pci_conf_print_multicast_cap(const pcireg_t *regs, int extcapoff) 3290 { 3291 pcireg_t reg, cap, ctl; 3292 pcireg_t regl, regh; 3293 uint64_t addr; 3294 int n; 3295 3296 printf("\n Multicast\n"); 3297 3298 reg = regs[o2i(extcapoff + PCI_MCAST_CTL)]; 3299 cap = reg & 0xffff; 3300 ctl = reg >> 16; 3301 printf(" Capability Register: 0x%04x\n", cap); 3302 printf(" Max Group: %u\n", 3303 (pcireg_t)(reg & PCI_MCAST_CAP_MAXGRP) + 1); 3304 3305 /* Endpoint Only */ 3306 n = __SHIFTOUT(reg, PCI_MCAST_CAP_WINSIZEREQ); 3307 if (n > 0) 3308 printf(" Windw Size Requested: %d\n", 1 << (n - 1)); 3309 3310 onoff("ECRC Regeneration Supported", reg, PCI_MCAST_CAP_ECRCREGEN); 3311 3312 printf(" Control Register: 0x%04x\n", ctl); 3313 printf(" Num Group: %u\n", 3314 (unsigned int)__SHIFTOUT(reg, PCI_MCAST_CTL_NUMGRP) + 1); 3315 onoff("Enable", reg, PCI_MCAST_CTL_ENA); 3316 3317 regl = regs[o2i(extcapoff + PCI_MCAST_BARL)]; 3318 regh = regs[o2i(extcapoff + PCI_MCAST_BARH)]; 3319 printf(" Base Address Register 0: 0x%08x\n", regl); 3320 printf(" Base Address Register 1: 0x%08x\n", regh); 3321 printf(" Index Position: %u\n", 3322 (unsigned int)(regl & PCI_MCAST_BARL_INDPOS)); 3323 addr = ((uint64_t)regh << 32) | (regl & PCI_MCAST_BARL_ADDR); 3324 printf(" Base Address: 0x%016" PRIx64 "\n", addr); 3325 3326 regl = regs[o2i(extcapoff + PCI_MCAST_RECVL)]; 3327 regh = regs[o2i(extcapoff + PCI_MCAST_RECVH)]; 3328 printf(" Receive Register 0: 0x%08x\n", regl); 3329 printf(" Receive Register 1: 0x%08x\n", regh); 3330 3331 regl = regs[o2i(extcapoff + PCI_MCAST_BLOCKALLL)]; 3332 regh = regs[o2i(extcapoff + PCI_MCAST_BLOCKALLH)]; 3333 printf(" Block All Register 0: 0x%08x\n", regl); 3334 printf(" Block All Register 1: 0x%08x\n", regh); 3335 3336 regl = regs[o2i(extcapoff + PCI_MCAST_BLOCKUNTRNSL)]; 3337 regh = regs[o2i(extcapoff + PCI_MCAST_BLOCKUNTRNSH)]; 3338 printf(" Block Untranslated Register 0: 0x%08x\n", regl); 3339 printf(" Block Untranslated Register 1: 0x%08x\n", regh); 3340 3341 regl = regs[o2i(extcapoff + PCI_MCAST_OVERLAYL)]; 3342 regh = regs[o2i(extcapoff + PCI_MCAST_OVERLAYH)]; 3343 printf(" Overlay BAR 0: 0x%08x\n", regl); 3344 printf(" Overlay BAR 1: 0x%08x\n", regh); 3345 3346 n = regl & PCI_MCAST_OVERLAYL_SIZE; 3347 printf(" Overlay Size: "); 3348 if (n >= 6) 3349 printf("%d\n", n); 3350 else 3351 printf("off\n"); 3352 addr = ((uint64_t)regh << 32) | (regl & PCI_MCAST_OVERLAYL_ADDR); 3353 printf(" Overlay BAR: 0x%016" PRIx64 "\n", addr); 3354 } 3355 3356 static void 3357 pci_conf_print_page_req_cap(const pcireg_t *regs, int extcapoff) 3358 { 3359 pcireg_t reg, ctl, sta; 3360 3361 printf("\n Page Request\n"); 3362 3363 reg = regs[o2i(extcapoff + PCI_PAGE_REQ_CTL)]; 3364 ctl = reg & 0xffff; 3365 sta = reg >> 16; 3366 printf(" Control Register: 0x%04x\n", ctl); 3367 onoff("Enalbe", reg, PCI_PAGE_REQ_CTL_E); 3368 onoff("Reset", reg, PCI_PAGE_REQ_CTL_R); 3369 3370 printf(" Status Register: 0x%04x\n", sta); 3371 onoff("Response Failure", reg, PCI_PAGE_REQ_STA_RF); 3372 onoff("Unexpected Page Request Group Index", reg, 3373 PCI_PAGE_REQ_STA_UPRGI); 3374 onoff("Stopped", reg, PCI_PAGE_REQ_STA_S); 3375 onoff("PRG Response PASID Required", reg, PCI_PAGE_REQ_STA_PASIDR); 3376 3377 reg = regs[o2i(extcapoff + PCI_PAGE_REQ_OUTSTCAPA)]; 3378 printf(" Outstanding Page Request Capacity: %u\n", reg); 3379 reg = regs[o2i(extcapoff + PCI_PAGE_REQ_OUTSTALLOC)]; 3380 printf(" Outstanding Page Request Allocation: %u\n", reg); 3381 } 3382 3383 /* XXX pci_conf_print_amd_cap */ 3384 3385 #define MEM_PBUFSIZE sizeof("999GB") 3386 3387 static void 3388 pci_conf_print_resizbar_cap(const pcireg_t *regs, int extcapoff) 3389 { 3390 pcireg_t cap, ctl; 3391 unsigned int bars, i, n; 3392 char pbuf[MEM_PBUFSIZE]; 3393 3394 printf("\n Resizable BAR\n"); 3395 3396 /* Get Number of Resizable BARs */ 3397 ctl = regs[o2i(extcapoff + PCI_RESIZBAR_CTL(0))]; 3398 bars = __SHIFTOUT(ctl, PCI_RESIZBAR_CTL_NUMBAR); 3399 printf(" Number of Resizable BARs: "); 3400 if (bars <= 6) 3401 printf("%u\n", bars); 3402 else { 3403 printf("incorrect (%u)\n", bars); 3404 return; 3405 } 3406 3407 for (n = 0; n < 6; n++) { 3408 cap = regs[o2i(extcapoff + PCI_RESIZBAR_CAP(n))]; 3409 printf(" Capability register(%u): 0x%08x\n", n, cap); 3410 if ((cap & PCI_RESIZBAR_CAP_SIZEMASK) == 0) 3411 continue; /* Not Used */ 3412 printf(" Acceptable BAR sizes:"); 3413 for (i = 4; i <= 23; i++) { 3414 if ((cap & (1 << i)) != 0) { 3415 humanize_number(pbuf, MEM_PBUFSIZE, 3416 (int64_t)1024 * 1024 << (i - 4), "B", 3417 #ifdef _KERNEL 3418 1); 3419 #else 3420 HN_AUTOSCALE, HN_NOSPACE); 3421 #endif 3422 printf(" %s", pbuf); 3423 } 3424 } 3425 printf("\n"); 3426 3427 ctl = regs[o2i(extcapoff + PCI_RESIZBAR_CTL(n))]; 3428 printf(" Control register(%u): 0x%08x\n", n, ctl); 3429 printf(" BAR Index: %u\n", 3430 (unsigned int)__SHIFTOUT(ctl, PCI_RESIZBAR_CTL_BARIDX)); 3431 humanize_number(pbuf, MEM_PBUFSIZE, 3432 (int64_t)1024 * 1024 3433 << __SHIFTOUT(ctl, PCI_RESIZBAR_CTL_BARSIZ), 3434 "B", 3435 #ifdef _KERNEL 3436 1); 3437 #else 3438 HN_AUTOSCALE, HN_NOSPACE); 3439 #endif 3440 printf(" BAR Size: %s\n", pbuf); 3441 } 3442 } 3443 3444 static void 3445 pci_conf_print_dpa_cap(const pcireg_t *regs, int extcapoff) 3446 { 3447 pcireg_t reg; 3448 unsigned int substmax, i; 3449 3450 printf("\n Dynamic Power Allocation\n"); 3451 3452 reg = regs[o2i(extcapoff + PCI_DPA_CAP)]; 3453 printf(" Capability register: 0x%08x\n", reg); 3454 substmax = __SHIFTOUT(reg, PCI_DPA_CAP_SUBSTMAX); 3455 printf(" Substate Max: %u\n", substmax); 3456 printf(" Transition Latency Unit: "); 3457 switch (__SHIFTOUT(reg, PCI_DPA_CAP_TLUINT)) { 3458 case 0: 3459 printf("1ms\n"); 3460 break; 3461 case 1: 3462 printf("10ms\n"); 3463 break; 3464 case 2: 3465 printf("100ms\n"); 3466 break; 3467 default: 3468 printf("reserved\n"); 3469 break; 3470 } 3471 printf(" Power Allocation Scale: "); 3472 switch (__SHIFTOUT(reg, PCI_DPA_CAP_PAS)) { 3473 case 0: 3474 printf("10.0x\n"); 3475 break; 3476 case 1: 3477 printf("1.0x\n"); 3478 break; 3479 case 2: 3480 printf("0.1x\n"); 3481 break; 3482 case 3: 3483 printf("0.01x\n"); 3484 break; 3485 } 3486 printf(" Transition Latency Value 0: %u\n", 3487 (unsigned int)__SHIFTOUT(reg, PCI_DPA_CAP_XLCY0)); 3488 printf(" Transition Latency Value 1: %u\n", 3489 (unsigned int)__SHIFTOUT(reg, PCI_DPA_CAP_XLCY1)); 3490 3491 reg = regs[o2i(extcapoff + PCI_DPA_LATIND)]; 3492 printf(" Latency Indicatior register: 0x%08x\n", reg); 3493 3494 reg = regs[o2i(extcapoff + PCI_DPA_CS)]; 3495 printf(" Status register: 0x%04x\n", reg & 0xffff); 3496 printf(" Substate Status: 0x%02x\n", 3497 (unsigned int)__SHIFTOUT(reg, PCI_DPA_CS_SUBSTSTAT)); 3498 onoff("Substate Control Enabled", reg, PCI_DPA_CS_SUBSTCTLEN); 3499 printf(" Control register: 0x%04x\n", reg >> 16); 3500 printf(" Substate Control: 0x%02x\n", 3501 (unsigned int)__SHIFTOUT(reg, PCI_DPA_CS_SUBSTCTL)); 3502 3503 for (i = 0; i <= substmax; i++) 3504 printf(" Substate Power Allocation register %d: 0x%02x\n", 3505 i, (regs[PCI_DPA_PWRALLOC + (i / 4)] >> (i % 4) & 0xff)); 3506 } 3507 3508 static const char * 3509 pci_conf_print_tph_req_cap_sttabloc(uint8_t val) 3510 { 3511 3512 switch (val) { 3513 case PCI_TPH_REQ_STTBLLOC_NONE: 3514 return "Not Present"; 3515 case PCI_TPH_REQ_STTBLLOC_TPHREQ: 3516 return "in the TPH Requester Capability Structure"; 3517 case PCI_TPH_REQ_STTBLLOC_MSIX: 3518 return "in the MSI-X Table"; 3519 default: 3520 return "Unknown"; 3521 } 3522 } 3523 3524 static void 3525 pci_conf_print_tph_req_cap(const pcireg_t *regs, int extcapoff) 3526 { 3527 pcireg_t reg; 3528 int size, i, j; 3529 uint8_t sttbloc; 3530 3531 printf("\n TPH Requester Extended Capability\n"); 3532 3533 reg = regs[o2i(extcapoff + PCI_TPH_REQ_CAP)]; 3534 printf(" TPH Requester Capabililty register: 0x%08x\n", reg); 3535 onoff("No ST Mode Supported", reg, PCI_TPH_REQ_CAP_NOST); 3536 onoff("Interrupt Vector Mode Supported", reg, PCI_TPH_REQ_CAP_INTVEC); 3537 onoff("Device Specific Mode Supported", reg, PCI_TPH_REQ_CAP_DEVSPEC); 3538 onoff("Extend TPH Reqester Supported", reg, PCI_TPH_REQ_CAP_XTPHREQ); 3539 sttbloc = __SHIFTOUT(reg, PCI_TPH_REQ_CAP_STTBLLOC); 3540 printf(" ST Table Location: %s\n", 3541 pci_conf_print_tph_req_cap_sttabloc(sttbloc)); 3542 size = __SHIFTOUT(reg, PCI_TPH_REQ_CAP_STTBLSIZ) + 1; 3543 printf(" ST Table Size: %d\n", size); 3544 3545 reg = regs[o2i(extcapoff + PCI_TPH_REQ_CTL)]; 3546 printf(" TPH Requester Control register: 0x%08x\n", reg); 3547 printf(" ST Mode Select: "); 3548 switch (__SHIFTOUT(reg, PCI_TPH_REQ_CTL_STSEL)) { 3549 case PCI_TPH_REQ_CTL_STSEL_NO: 3550 printf("No ST Mode\n"); 3551 break; 3552 case PCI_TPH_REQ_CTL_STSEL_IV: 3553 printf("Interrupt Vector Mode\n"); 3554 break; 3555 case PCI_TPH_REQ_CTL_STSEL_DS: 3556 printf("Device Specific Mode\n"); 3557 break; 3558 default: 3559 printf("(reserved vaule)\n"); 3560 break; 3561 } 3562 printf(" TPH Requester Enable: "); 3563 switch (__SHIFTOUT(reg, PCI_TPH_REQ_CTL_TPHREQEN)) { 3564 case PCI_TPH_REQ_CTL_TPHREQEN_NO: /* 0x0 */ 3565 printf("Not permitted\n"); 3566 break; 3567 case PCI_TPH_REQ_CTL_TPHREQEN_TPH: 3568 printf("TPH and not Extended TPH\n"); 3569 break; 3570 case PCI_TPH_REQ_CTL_TPHREQEN_ETPH: 3571 printf("TPH and Extended TPH"); 3572 break; 3573 default: 3574 printf("(reserved vaule)\n"); 3575 break; 3576 } 3577 3578 if (sttbloc != PCI_TPH_REQ_STTBLLOC_TPHREQ) 3579 return; 3580 3581 for (i = 0; i < size ; i += 2) { 3582 reg = regs[o2i(extcapoff + PCI_TPH_REQ_STTBL + i / 2)]; 3583 for (j = 0; j < 2 ; j++) { 3584 uint32_t entry = reg; 3585 3586 if (j != 0) 3587 entry >>= 16; 3588 entry &= 0xffff; 3589 printf(" TPH ST Table Entry (%d): 0x%04"PRIx32"\n", 3590 i + j, entry); 3591 } 3592 } 3593 } 3594 3595 static void 3596 pci_conf_print_ltr_cap(const pcireg_t *regs, int extcapoff) 3597 { 3598 pcireg_t reg; 3599 3600 printf("\n Latency Tolerance Reporting\n"); 3601 reg = regs[o2i(extcapoff + PCI_LTR_MAXSNOOPLAT)]; 3602 printf(" Max Snoop Latency Register: 0x%04x\n", reg & 0xffff); 3603 printf(" Max Snoop Latency: %juns\n", 3604 (uintmax_t)(__SHIFTOUT(reg, PCI_LTR_MAXSNOOPLAT_VAL) 3605 * PCI_LTR_SCALETONS(__SHIFTOUT(reg, PCI_LTR_MAXSNOOPLAT_SCALE)))); 3606 printf(" Max No-Snoop Latency Register: 0x%04x\n", reg >> 16); 3607 printf(" Max No-Snoop Latency: %juns\n", 3608 (uintmax_t)(__SHIFTOUT(reg, PCI_LTR_MAXNOSNOOPLAT_VAL) 3609 * PCI_LTR_SCALETONS(__SHIFTOUT(reg, PCI_LTR_MAXNOSNOOPLAT_SCALE)))); 3610 } 3611 3612 static void 3613 pci_conf_print_sec_pcie_cap(const pcireg_t *regs, int extcapoff) 3614 { 3615 int pcie_capoff; 3616 pcireg_t reg; 3617 int i, maxlinkwidth; 3618 3619 printf("\n Secondary PCI Express Register\n"); 3620 3621 reg = regs[o2i(extcapoff + PCI_SECPCIE_LCTL3)]; 3622 printf(" Link Control 3 register: 0x%08x\n", reg); 3623 onoff("Perform Equalization", reg, PCI_SECPCIE_LCTL3_PERFEQ); 3624 onoff("Link Equalization Request Interrupt Enable", 3625 reg, PCI_SECPCIE_LCTL3_LINKEQREQ_IE); 3626 printf(" Enable Lower SKP OS Generation Vector:"); 3627 pci_print_pcie_linkspeedvector( 3628 __SHIFTOUT(reg, PCI_SECPCIE_LCTL3_ELSKPOSGENV)); 3629 printf("\n"); 3630 3631 reg = regs[o2i(extcapoff + PCI_SECPCIE_LANEERR_STA)]; 3632 printf(" Lane Error Status register: 0x%08x\n", reg); 3633 3634 /* Get Max Link Width */ 3635 if (pci_conf_find_cap(regs, PCI_CAP_PCIEXPRESS, &pcie_capoff)) { 3636 reg = regs[o2i(pcie_capoff + PCIE_LCAP)]; 3637 maxlinkwidth = __SHIFTOUT(reg, PCIE_LCAP_MAX_WIDTH); 3638 } else { 3639 printf("error: falied to get PCIe capablity\n"); 3640 return; 3641 } 3642 for (i = 0; i < maxlinkwidth; i++) { 3643 reg = regs[o2i(extcapoff + PCI_SECPCIE_EQCTL(i))]; 3644 if (i % 2 != 0) 3645 reg >>= 16; 3646 else 3647 reg &= 0xffff; 3648 printf(" Equalization Control Register (Link %d): 0x%04x\n", 3649 i, reg); 3650 printf(" Downstream Port Transmit Preset: 0x%x\n", 3651 (pcireg_t)__SHIFTOUT(reg, 3652 PCI_SECPCIE_EQCTL_DP_XMIT_PRESET)); 3653 printf(" Downstream Port Receive Hint: 0x%x\n", 3654 (pcireg_t)__SHIFTOUT(reg, PCI_SECPCIE_EQCTL_DP_RCV_HINT)); 3655 printf(" Upstream Port Transmit Preset: 0x%x\n", 3656 (pcireg_t)__SHIFTOUT(reg, 3657 PCI_SECPCIE_EQCTL_UP_XMIT_PRESET)); 3658 printf(" Upstream Port Receive Hint: 0x%x\n", 3659 (pcireg_t)__SHIFTOUT(reg, PCI_SECPCIE_EQCTL_UP_RCV_HINT)); 3660 } 3661 } 3662 3663 /* XXX pci_conf_print_pmux_cap */ 3664 3665 static void 3666 pci_conf_print_pasid_cap(const pcireg_t *regs, int extcapoff) 3667 { 3668 pcireg_t reg, cap, ctl; 3669 unsigned int num; 3670 3671 printf("\n Process Address Space ID\n"); 3672 3673 reg = regs[o2i(extcapoff + PCI_PASID_CAP)]; 3674 cap = reg & 0xffff; 3675 ctl = reg >> 16; 3676 printf(" PASID Capability Register: 0x%04x\n", cap); 3677 onoff("Execute Permission Supported", reg, PCI_PASID_CAP_XPERM); 3678 onoff("Privileged Mode Supported", reg, PCI_PASID_CAP_PRIVMODE); 3679 num = (1 << __SHIFTOUT(reg, PCI_PASID_CAP_MAXPASIDW)) - 1; 3680 printf(" Max PASID Width: %u\n", num); 3681 3682 printf(" PASID Control Register: 0x%04x\n", ctl); 3683 onoff("PASID Enable", reg, PCI_PASID_CTL_PASID_EN); 3684 onoff("Execute Permission Enable", reg, PCI_PASID_CTL_XPERM_EN); 3685 onoff("Privileged Mode Enable", reg, PCI_PASID_CTL_PRIVMODE_EN); 3686 } 3687 3688 static void 3689 pci_conf_print_lnr_cap(const pcireg_t *regs, int extcapoff) 3690 { 3691 pcireg_t reg, cap, ctl; 3692 unsigned int num; 3693 3694 printf("\n LN Requester\n"); 3695 3696 reg = regs[o2i(extcapoff + PCI_LNR_CAP)]; 3697 cap = reg & 0xffff; 3698 ctl = reg >> 16; 3699 printf(" LNR Capability register: 0x%04x\n", cap); 3700 onoff("LNR-64 Supported", reg, PCI_LNR_CAP_64); 3701 onoff("LNR-128 Supported", reg, PCI_LNR_CAP_128); 3702 num = 1 << __SHIFTOUT(reg, PCI_LNR_CAP_REGISTMAX); 3703 printf(" LNR Registration MAX: %u\n", num); 3704 3705 printf(" LNR Control register: 0x%04x\n", ctl); 3706 onoff("LNR Enable", reg, PCI_LNR_CTL_EN); 3707 onoff("LNR CLS", reg, PCI_LNR_CTL_CLS); 3708 num = 1 << __SHIFTOUT(reg, PCI_LNR_CTL_REGISTLIM); 3709 printf(" LNR Registration Limit: %u\n", num); 3710 } 3711 3712 static void 3713 pci_conf_print_dpc_pio(pcireg_t r) 3714 { 3715 onoff("Cfg Request received UR Completion", r,PCI_DPC_RPPIO_CFGUR_CPL); 3716 onoff("Cfg Request received CA Completion", r,PCI_DPC_RPPIO_CFGCA_CPL); 3717 onoff("Cfg Request Completion Timeout", r, PCI_DPC_RPPIO_CFG_CTO); 3718 onoff("I/O Request received UR Completion", r, PCI_DPC_RPPIO_IOUR_CPL); 3719 onoff("I/O Request received CA Completion", r, PCI_DPC_RPPIO_IOCA_CPL); 3720 onoff("I/O Request Completion Timeout", r, PCI_DPC_RPPIO_IO_CTO); 3721 onoff("Mem Request received UR Completion", r,PCI_DPC_RPPIO_MEMUR_CPL); 3722 onoff("Mem Request received CA Completion", r,PCI_DPC_RPPIO_MEMCA_CPL); 3723 onoff("Mem Request Completion Timeout", r, PCI_DPC_RPPIO_MEM_CTO); 3724 } 3725 3726 static void 3727 pci_conf_print_dpc_cap(const pcireg_t *regs, int extcapoff) 3728 { 3729 pcireg_t reg, cap, ctl, stat, errsrc; 3730 const char *trigstr; 3731 bool rpext; 3732 3733 printf("\n Downstream Port Containment\n"); 3734 3735 reg = regs[o2i(extcapoff + PCI_DPC_CCR)]; 3736 cap = reg & 0xffff; 3737 ctl = reg >> 16; 3738 rpext = (reg & PCI_DPCCAP_RPEXT) ? true : false; 3739 printf(" DPC Capability register: 0x%04x\n", cap); 3740 printf(" DPC Interrupt Message Number: %02x\n", 3741 (unsigned int)(cap & PCI_DPCCAP_IMSGN)); 3742 onoff("RP Extensions for DPC", reg, PCI_DPCCAP_RPEXT); 3743 onoff("Poisoned TLP Egress Blocking Supported", reg, 3744 PCI_DPCCAP_POISONTLPEB); 3745 onoff("DPC Software Triggering Supported", reg, PCI_DPCCAP_SWTRIG); 3746 printf(" RP PIO Log Size: %u\n", 3747 (unsigned int)__SHIFTOUT(reg, PCI_DPCCAP_RPPIOLOGSZ)); 3748 onoff("DL_Active ERR_COR Signaling Supported", reg, 3749 PCI_DPCCAP_DLACTECORS); 3750 printf(" DPC Control register: 0x%04x\n", ctl); 3751 switch (__SHIFTOUT(reg, PCI_DPCCTL_TIRGEN)) { 3752 case 0: 3753 trigstr = "disabled"; 3754 break; 3755 case 1: 3756 trigstr = "enabled(ERR_FATAL)"; 3757 break; 3758 case 2: 3759 trigstr = "enabled(ERR_NONFATAL or ERR_FATAL)"; 3760 break; 3761 default: 3762 trigstr = "(reserverd)"; 3763 break; 3764 } 3765 printf(" DPC Trigger Enable: %s\n", trigstr); 3766 printf(" DPC Completion Control: %s Completion Status\n", 3767 (reg & PCI_DPCCTL_COMPCTL) 3768 ? "Unsupported Request(UR)" : "Completer Abort(CA)"); 3769 onoff("DPC Interrupt Enable", reg, PCI_DPCCTL_IE); 3770 onoff("DPC ERR_COR Enable", reg, PCI_DPCCTL_ERRCOREN); 3771 onoff("Poisoned TLP Egress Blocking Enable", reg, 3772 PCI_DPCCTL_POISONTLPEB); 3773 onoff("DPC Software Trigger", reg, PCI_DPCCTL_SWTRIG); 3774 onoff("DL_Active ERR_COR Enable", reg, PCI_DPCCTL_DLACTECOR); 3775 3776 reg = regs[o2i(extcapoff + PCI_DPC_STATESID)]; 3777 stat = reg & 0xffff; 3778 errsrc = reg >> 16; 3779 printf(" DPC Status register: 0x%04x\n", stat); 3780 onoff("DPC Trigger Status", reg, PCI_DPCSTAT_TSTAT); 3781 switch (__SHIFTOUT(reg, PCI_DPCSTAT_TREASON)) { 3782 case 0: 3783 trigstr = "an unmasked uncorrectable error"; 3784 break; 3785 case 1: 3786 trigstr = "receiving an ERR_NONFATAL"; 3787 break; 3788 case 2: 3789 trigstr = "receiving an ERR_FATAL"; 3790 break; 3791 case 3: 3792 trigstr = "DPC Trigger Reason Extension field"; 3793 break; 3794 } 3795 printf(" DPC Trigger Reason: Due to %s\n", trigstr); 3796 onoff("DPC Interrupt Status", reg, PCI_DPCSTAT_ISTAT); 3797 if (rpext) 3798 onoff("DPC RP Busy", reg, PCI_DPCSTAT_RPBUSY); 3799 switch (__SHIFTOUT(reg, PCI_DPCSTAT_TREASON)) { 3800 case 0: 3801 trigstr = "Due to RP PIO error"; 3802 break; 3803 case 1: 3804 trigstr = "Due to the DPC Software trigger bit"; 3805 break; 3806 default: 3807 trigstr = "(reserved)"; 3808 break; 3809 } 3810 printf(" DPC Trigger Reason Extension: %s\n", trigstr); 3811 if (rpext) 3812 printf(" RP PIO First Error Pointer: %02x\n", 3813 (unsigned int)__SHIFTOUT(reg, PCI_DPCSTAT_RPPIOFEP)); 3814 printf(" DPC Error Source ID register: 0x%04x\n", errsrc); 3815 3816 if (!rpext) 3817 return; 3818 /* 3819 * All of the following registers are implemented by a device which has 3820 * RP Extensions for DPC 3821 */ 3822 3823 reg = regs[o2i(extcapoff + PCI_DPC_RPPIO_STAT)]; 3824 printf(" RP PIO Status Register: 0x%04x\n", reg); 3825 pci_conf_print_dpc_pio(reg); 3826 3827 reg = regs[o2i(extcapoff + PCI_DPC_RPPIO_MASK)]; 3828 printf(" RP PIO Mask Register: 0x%04x\n", reg); 3829 pci_conf_print_dpc_pio(reg); 3830 3831 reg = regs[o2i(extcapoff + PCI_DPC_RPPIO_SEVE)]; 3832 printf(" RP PIO Severity Register: 0x%04x\n", reg); 3833 pci_conf_print_dpc_pio(reg); 3834 3835 reg = regs[o2i(extcapoff + PCI_DPC_RPPIO_SYSERR)]; 3836 printf(" RP PIO SysError Register: 0x%04x\n", reg); 3837 pci_conf_print_dpc_pio(reg); 3838 3839 reg = regs[o2i(extcapoff + PCI_DPC_RPPIO_EXCPT)]; 3840 printf(" RP PIO Exception Register: 0x%04x\n", reg); 3841 pci_conf_print_dpc_pio(reg); 3842 3843 printf(" RP PIO Header Log Register: start from 0x%03x\n", 3844 extcapoff + PCI_DPC_RPPIO_HLOG); 3845 printf(" RP PIO ImpSpec Log Register: start from 0x%03x\n", 3846 extcapoff + PCI_DPC_RPPIO_IMPSLOG); 3847 printf(" RP PIO TLP Prefix Log Register: start from 0x%03x\n", 3848 extcapoff + PCI_DPC_RPPIO_TLPPLOG); 3849 } 3850 3851 3852 static int 3853 pci_conf_l1pm_cap_tposcale(unsigned char scale) 3854 { 3855 3856 /* Return scale in us */ 3857 switch (scale) { 3858 case 0x0: 3859 return 2; 3860 case 0x1: 3861 return 10; 3862 case 0x2: 3863 return 100; 3864 default: 3865 return -1; 3866 } 3867 } 3868 3869 static void 3870 pci_conf_print_l1pm_cap(const pcireg_t *regs, int extcapoff) 3871 { 3872 pcireg_t reg; 3873 int scale, val; 3874 int pcie_capoff; 3875 3876 printf("\n L1 PM Substates\n"); 3877 3878 reg = regs[o2i(extcapoff + PCI_L1PM_CAP)]; 3879 printf(" L1 PM Substates Capability register: 0x%08x\n", reg); 3880 onoff("PCI-PM L1.2 Supported", reg, PCI_L1PM_CAP_PCIPM12); 3881 onoff("PCI-PM L1.1 Supported", reg, PCI_L1PM_CAP_PCIPM11); 3882 onoff("ASPM L1.2 Supported", reg, PCI_L1PM_CAP_ASPM12); 3883 onoff("ASPM L1.1 Supported", reg, PCI_L1PM_CAP_ASPM11); 3884 onoff("L1 PM Substates Supported", reg, PCI_L1PM_CAP_L1PM); 3885 /* The Link Activation Supported bit is only for Downstream Port */ 3886 if (pci_conf_find_cap(regs, PCI_CAP_PCIEXPRESS, &pcie_capoff)) { 3887 uint32_t t = regs[o2i(pcie_capoff)]; 3888 3889 if ((t == PCIE_XCAP_TYPE_ROOT) || (t == PCIE_XCAP_TYPE_DOWN)) 3890 onoff("Link Activation Supported", reg, 3891 PCI_L1PM_CAP_LA); 3892 } 3893 printf(" Port Common Mode Restore Time: %uus\n", 3894 (unsigned int)__SHIFTOUT(reg, PCI_L1PM_CAP_PCMRT)); 3895 scale = pci_conf_l1pm_cap_tposcale( 3896 __SHIFTOUT(reg, PCI_L1PM_CAP_PTPOSCALE)); 3897 val = __SHIFTOUT(reg, PCI_L1PM_CAP_PTPOVAL); 3898 printf(" Port T_POWER_ON: "); 3899 if (scale == -1) 3900 printf("unknown\n"); 3901 else 3902 printf("%dus\n", val * scale); 3903 3904 reg = regs[o2i(extcapoff + PCI_L1PM_CTL1)]; 3905 printf(" L1 PM Substates Control register 1: 0x%08x\n", reg); 3906 onoff("PCI-PM L1.2 Enable", reg, PCI_L1PM_CTL1_PCIPM12_EN); 3907 onoff("PCI-PM L1.1 Enable", reg, PCI_L1PM_CTL1_PCIPM11_EN); 3908 onoff("ASPM L1.2 Enable", reg, PCI_L1PM_CTL1_ASPM12_EN); 3909 onoff("ASPM L1.1 Enable", reg, PCI_L1PM_CTL1_ASPM11_EN); 3910 onoff("Link Activation Interrupt Enable", reg, PCI_L1PM_CTL1_LAIE); 3911 onoff("Link Activation Control", reg, PCI_L1PM_CTL1_LA); 3912 printf(" Common Mode Restore Time: %uus\n", 3913 (unsigned int)__SHIFTOUT(reg, PCI_L1PM_CTL1_CMRT)); 3914 scale = PCI_LTR_SCALETONS(__SHIFTOUT(reg, PCI_L1PM_CTL1_LTRTHSCALE)); 3915 val = __SHIFTOUT(reg, PCI_L1PM_CTL1_LTRTHVAL); 3916 printf(" LTR L1.2 THRESHOLD: %dus\n", val * scale); 3917 3918 reg = regs[o2i(extcapoff + PCI_L1PM_CTL2)]; 3919 printf(" L1 PM Substates Control register 2: 0x%08x\n", reg); 3920 scale = pci_conf_l1pm_cap_tposcale( 3921 __SHIFTOUT(reg, PCI_L1PM_CTL2_TPOSCALE)); 3922 val = __SHIFTOUT(reg, PCI_L1PM_CTL2_TPOVAL); 3923 printf(" T_POWER_ON: "); 3924 if (scale == -1) 3925 printf("unknown\n"); 3926 else 3927 printf("%dus\n", val * scale); 3928 3929 if (PCI_EXTCAPLIST_VERSION(regs[o2i(extcapoff)]) >= 2) { 3930 reg = regs[o2i(extcapoff + PCI_L1PM_CTL2)]; 3931 printf(" L1 PM Substates Status register: 0x%08x\n", reg); 3932 onoff("Link Activation Status", reg, PCI_L1PM_STAT_LA); 3933 } 3934 } 3935 3936 static void 3937 pci_conf_print_ptm_cap(const pcireg_t *regs, int extcapoff) 3938 { 3939 pcireg_t reg; 3940 uint32_t val; 3941 3942 printf("\n Precision Time Management\n"); 3943 3944 reg = regs[o2i(extcapoff + PCI_PTM_CAP)]; 3945 printf(" PTM Capability register: 0x%08x\n", reg); 3946 onoff("PTM Requester Capable", reg, PCI_PTM_CAP_REQ); 3947 onoff("PTM Responder Capable", reg, PCI_PTM_CAP_RESP); 3948 onoff("PTM Root Capable", reg, PCI_PTM_CAP_ROOT); 3949 printf(" Local Clock Granularity: "); 3950 val = __SHIFTOUT(reg, PCI_PTM_CAP_LCLCLKGRNL); 3951 switch (val) { 3952 case 0: 3953 printf("Not implemented\n"); 3954 break; 3955 case 0xffff: 3956 printf("> 254ns\n"); 3957 break; 3958 default: 3959 printf("%uns\n", val); 3960 break; 3961 } 3962 3963 reg = regs[o2i(extcapoff + PCI_PTM_CTL)]; 3964 printf(" PTM Control register: 0x%08x\n", reg); 3965 onoff("PTM Enable", reg, PCI_PTM_CTL_EN); 3966 onoff("Root Select", reg, PCI_PTM_CTL_ROOTSEL); 3967 printf(" Effective Granularity: "); 3968 val = __SHIFTOUT(reg, PCI_PTM_CTL_EFCTGRNL); 3969 switch (val) { 3970 case 0: 3971 printf("Unknown\n"); 3972 break; 3973 case 0xffff: 3974 printf("> 254ns\n"); 3975 break; 3976 default: 3977 printf("%uns\n", val); 3978 break; 3979 } 3980 } 3981 3982 /* XXX pci_conf_print_mpcie_cap */ 3983 /* XXX pci_conf_print_frsq_cap */ 3984 /* XXX pci_conf_print_rtr_cap */ 3985 /* XXX pci_conf_print_desigvndsp_cap */ 3986 /* XXX pci_conf_print_vf_resizbar_cap */ 3987 /* XXX pci_conf_print_hierarchyid_cap */ 3988 /* XXX pci_conf_print_npem_cap */ 3989 3990 #undef MS 3991 #undef SM 3992 #undef RW 3993 3994 static struct { 3995 pcireg_t cap; 3996 const char *name; 3997 void (*printfunc)(const pcireg_t *, int); 3998 } pci_extcaptab[] = { 3999 { 0, "reserved", 4000 NULL }, 4001 { PCI_EXTCAP_AER, "Advanced Error Reporting", 4002 pci_conf_print_aer_cap }, 4003 { PCI_EXTCAP_VC, "Virtual Channel", 4004 pci_conf_print_vc_cap }, 4005 { PCI_EXTCAP_SERNUM, "Device Serial Number", 4006 pci_conf_print_sernum_cap }, 4007 { PCI_EXTCAP_PWRBDGT, "Power Budgeting", 4008 pci_conf_print_pwrbdgt_cap }, 4009 { PCI_EXTCAP_RCLINK_DCL,"Root Complex Link Declaration", 4010 pci_conf_print_rclink_dcl_cap }, 4011 { PCI_EXTCAP_RCLINK_CTL,"Root Complex Internal Link Control", 4012 NULL }, 4013 { PCI_EXTCAP_RCEC_ASSOC,"Root Complex Event Collector Association", 4014 pci_conf_print_rcec_assoc_cap }, 4015 { PCI_EXTCAP_MFVC, "Multi-Function Virtual Channel", 4016 NULL }, 4017 { PCI_EXTCAP_VC2, "Virtual Channel", 4018 NULL }, 4019 { PCI_EXTCAP_RCRB, "RCRB Header", 4020 NULL }, 4021 { PCI_EXTCAP_VENDOR, "Vendor Unique", 4022 NULL }, 4023 { PCI_EXTCAP_CAC, "Configuration Access Correction", 4024 NULL }, 4025 { PCI_EXTCAP_ACS, "Access Control Services", 4026 pci_conf_print_acs_cap }, 4027 { PCI_EXTCAP_ARI, "Alternative Routing-ID Interpretation", 4028 pci_conf_print_ari_cap }, 4029 { PCI_EXTCAP_ATS, "Address Translation Services", 4030 pci_conf_print_ats_cap }, 4031 { PCI_EXTCAP_SRIOV, "Single Root IO Virtualization", 4032 pci_conf_print_sriov_cap }, 4033 { PCI_EXTCAP_MRIOV, "Multiple Root IO Virtualization", 4034 NULL }, 4035 { PCI_EXTCAP_MCAST, "Multicast", 4036 pci_conf_print_multicast_cap }, 4037 { PCI_EXTCAP_PAGE_REQ, "Page Request", 4038 pci_conf_print_page_req_cap }, 4039 { PCI_EXTCAP_AMD, "Reserved for AMD", 4040 NULL }, 4041 { PCI_EXTCAP_RESIZBAR, "Resizable BAR", 4042 pci_conf_print_resizbar_cap }, 4043 { PCI_EXTCAP_DPA, "Dynamic Power Allocation", 4044 pci_conf_print_dpa_cap }, 4045 { PCI_EXTCAP_TPH_REQ, "TPH Requester", 4046 pci_conf_print_tph_req_cap }, 4047 { PCI_EXTCAP_LTR, "Latency Tolerance Reporting", 4048 pci_conf_print_ltr_cap }, 4049 { PCI_EXTCAP_SEC_PCIE, "Secondary PCI Express", 4050 pci_conf_print_sec_pcie_cap }, 4051 { PCI_EXTCAP_PMUX, "Protocol Multiplexing", 4052 NULL }, 4053 { PCI_EXTCAP_PASID, "Process Address Space ID", 4054 pci_conf_print_pasid_cap }, 4055 { PCI_EXTCAP_LNR, "LN Requester", 4056 pci_conf_print_lnr_cap }, 4057 { PCI_EXTCAP_DPC, "Downstream Port Containment", 4058 pci_conf_print_dpc_cap }, 4059 { PCI_EXTCAP_L1PM, "L1 PM Substates", 4060 pci_conf_print_l1pm_cap }, 4061 { PCI_EXTCAP_PTM, "Precision Time Management", 4062 pci_conf_print_ptm_cap }, 4063 { PCI_EXTCAP_MPCIE, "M-PCIe", 4064 NULL }, 4065 { PCI_EXTCAP_FRSQ, "Function Reading Status Queueing", 4066 NULL }, 4067 { PCI_EXTCAP_RTR, "Readiness Time Reporting", 4068 NULL }, 4069 { PCI_EXTCAP_DESIGVNDSP, "Designated Vendor-Specific", 4070 NULL }, 4071 { PCI_EXTCAP_VF_RESIZBAR, "VF Resizable BARs", 4072 NULL }, 4073 { PCI_EXTCAP_HIERARCHYID, "Hierarchy ID", 4074 NULL }, 4075 { PCI_EXTCAP_NPEM, "Native PCIe Enclosure Management", 4076 NULL }, 4077 }; 4078 4079 static int 4080 pci_conf_find_extcap(const pcireg_t *regs, unsigned int capid, int *offsetp) 4081 { 4082 int off; 4083 pcireg_t rval; 4084 4085 for (off = PCI_EXTCAPLIST_BASE; 4086 off != 0; 4087 off = PCI_EXTCAPLIST_NEXT(rval)) { 4088 rval = regs[o2i(off)]; 4089 if (capid == PCI_EXTCAPLIST_CAP(rval)) { 4090 if (offsetp != NULL) 4091 *offsetp = off; 4092 return 1; 4093 } 4094 } 4095 return 0; 4096 } 4097 4098 static void 4099 pci_conf_print_extcaplist( 4100 #ifdef _KERNEL 4101 pci_chipset_tag_t pc, pcitag_t tag, 4102 #endif 4103 const pcireg_t *regs) 4104 { 4105 int off; 4106 pcireg_t foundcap; 4107 pcireg_t rval; 4108 bool foundtable[__arraycount(pci_extcaptab)]; 4109 unsigned int i; 4110 4111 /* Check Extended capability structure */ 4112 off = PCI_EXTCAPLIST_BASE; 4113 rval = regs[o2i(off)]; 4114 if (rval == 0xffffffff || rval == 0) 4115 return; 4116 4117 /* Clear table */ 4118 for (i = 0; i < __arraycount(pci_extcaptab); i++) 4119 foundtable[i] = false; 4120 4121 /* Print extended capability register's offset and the type first */ 4122 for (;;) { 4123 printf(" Extended Capability Register at 0x%02x\n", off); 4124 4125 foundcap = PCI_EXTCAPLIST_CAP(rval); 4126 printf(" type: 0x%04x (", foundcap); 4127 if (foundcap < __arraycount(pci_extcaptab)) { 4128 printf("%s)\n", pci_extcaptab[foundcap].name); 4129 /* Mark as found */ 4130 foundtable[foundcap] = true; 4131 } else 4132 printf("unknown)\n"); 4133 printf(" version: %d\n", PCI_EXTCAPLIST_VERSION(rval)); 4134 4135 off = PCI_EXTCAPLIST_NEXT(rval); 4136 if (off == 0) 4137 break; 4138 else if (off <= PCI_CONF_SIZE) { 4139 printf(" next pointer: 0x%03x (incorrect)\n", off); 4140 return; 4141 } 4142 rval = regs[o2i(off)]; 4143 } 4144 4145 /* 4146 * And then, print the detail of each capability registers 4147 * in capability value's order. 4148 */ 4149 for (i = 0; i < __arraycount(pci_extcaptab); i++) { 4150 if (foundtable[i] == false) 4151 continue; 4152 4153 /* 4154 * The type was found. Search capability list again and 4155 * print all capabilities that the capabiliy type is 4156 * the same. 4157 */ 4158 if (pci_conf_find_extcap(regs, i, &off) == 0) 4159 continue; 4160 rval = regs[o2i(off)]; 4161 if ((PCI_EXTCAPLIST_VERSION(rval) <= 0) 4162 || (pci_extcaptab[i].printfunc == NULL)) 4163 continue; 4164 4165 pci_extcaptab[i].printfunc(regs, off); 4166 4167 } 4168 } 4169 4170 /* Print the Secondary Status Register. */ 4171 static void 4172 pci_conf_print_ssr(pcireg_t rval) 4173 { 4174 pcireg_t devsel; 4175 4176 printf(" Secondary status register: 0x%04x\n", rval); /* XXX bits */ 4177 onoff("66 MHz capable", rval, __BIT(5)); 4178 onoff("User Definable Features (UDF) support", rval, __BIT(6)); 4179 onoff("Fast back-to-back capable", rval, __BIT(7)); 4180 onoff("Data parity error detected", rval, __BIT(8)); 4181 4182 printf(" DEVSEL timing: "); 4183 devsel = __SHIFTOUT(rval, __BITS(10, 9)); 4184 switch (devsel) { 4185 case 0: 4186 printf("fast"); 4187 break; 4188 case 1: 4189 printf("medium"); 4190 break; 4191 case 2: 4192 printf("slow"); 4193 break; 4194 default: 4195 printf("unknown/reserved"); /* XXX */ 4196 break; 4197 } 4198 printf(" (0x%x)\n", devsel); 4199 4200 onoff("Signalled target abort", rval, __BIT(11)); 4201 onoff("Received target abort", rval, __BIT(12)); 4202 onoff("Received master abort", rval, __BIT(13)); 4203 onoff("Received system error", rval, __BIT(14)); 4204 onoff("Detected parity error", rval, __BIT(15)); 4205 } 4206 4207 static void 4208 pci_conf_print_type0( 4209 #ifdef _KERNEL 4210 pci_chipset_tag_t pc, pcitag_t tag, 4211 #endif 4212 const pcireg_t *regs) 4213 { 4214 int off, width; 4215 pcireg_t rval; 4216 const char *str; 4217 4218 for (off = PCI_MAPREG_START; off < PCI_MAPREG_END; off += width) { 4219 #ifdef _KERNEL 4220 width = pci_conf_print_bar(pc, tag, regs, off, NULL); 4221 #else 4222 width = pci_conf_print_bar(regs, off, NULL); 4223 #endif 4224 } 4225 4226 printf(" Cardbus CIS Pointer: 0x%08x\n", 4227 regs[o2i(PCI_CARDBUS_CIS_REG)]); 4228 4229 rval = regs[o2i(PCI_SUBSYS_ID_REG)]; 4230 printf(" Subsystem vendor ID: 0x%04x\n", PCI_VENDOR(rval)); 4231 printf(" Subsystem ID: 0x%04x\n", PCI_PRODUCT(rval)); 4232 4233 rval = regs[o2i(PCI_MAPREG_ROM)]; 4234 printf(" Expansion ROM Base Address Register: 0x%08x\n", rval); 4235 printf(" base: 0x%08x\n", (uint32_t)PCI_MAPREG_ROM_ADDR(rval)); 4236 onoff("Expansion ROM Enable", rval, PCI_MAPREG_ROM_ENABLE); 4237 printf(" Validation Status: "); 4238 switch (__SHIFTOUT(rval, PCI_MAPREG_ROM_VALID_STAT)) { 4239 case PCI_MAPREG_ROM_VSTAT_NOTSUPP: 4240 str = "Validation not supported"; 4241 break; 4242 case PCI_MAPREG_ROM_VSTAT_INPROG: 4243 str = "Validation in Progress"; 4244 break; 4245 case PCI_MAPREG_ROM_VSTAT_VPASS: 4246 str = "Validation Pass. " 4247 "Valid contents, trust test was not performed"; 4248 break; 4249 case PCI_MAPREG_ROM_VSTAT_VPASSTRUST: 4250 str = "Validation Pass. Valid and trusted contents"; 4251 break; 4252 case PCI_MAPREG_ROM_VSTAT_VFAIL: 4253 str = "Validation Fail. Invalid contents"; 4254 break; 4255 case PCI_MAPREG_ROM_VSTAT_VFAILUNTRUST: 4256 str = "Validation Fail. Valid but untrusted contents"; 4257 break; 4258 case PCI_MAPREG_ROM_VSTAT_WPASS: 4259 str = "Warning Pass. Validation passed with warning. " 4260 "Valid contents, trust test was not performed"; 4261 break; 4262 case PCI_MAPREG_ROM_VSTAT_WPASSTRUST: 4263 str = "Warning Pass. Validation passed with warning. " 4264 "Valid and trusted contents"; 4265 break; 4266 } 4267 printf("%s\n", str); 4268 printf(" Validation Details: 0x%x\n", 4269 (uint32_t)__SHIFTOUT(rval, PCI_MAPREG_ROM_VALID_DETAIL)); 4270 4271 if (regs[o2i(PCI_COMMAND_STATUS_REG)] & PCI_STATUS_CAPLIST_SUPPORT) 4272 printf(" Capability list pointer: 0x%02x\n", 4273 PCI_CAPLIST_PTR(regs[o2i(PCI_CAPLISTPTR_REG)])); 4274 else 4275 printf(" Reserved @ 0x34: 0x%08x\n", regs[o2i(0x34)]); 4276 4277 printf(" Reserved @ 0x38: 0x%08x\n", regs[o2i(0x38)]); 4278 4279 rval = regs[o2i(PCI_INTERRUPT_REG)]; 4280 printf(" Maximum Latency: 0x%02x\n", PCI_MAX_LAT(rval)); 4281 printf(" Minimum Grant: 0x%02x\n", PCI_MIN_GNT(rval)); 4282 printf(" Interrupt pin: 0x%02x ", PCI_INTERRUPT_PIN(rval)); 4283 switch (PCI_INTERRUPT_PIN(rval)) { 4284 case PCI_INTERRUPT_PIN_NONE: 4285 printf("(none)"); 4286 break; 4287 case PCI_INTERRUPT_PIN_A: 4288 printf("(pin A)"); 4289 break; 4290 case PCI_INTERRUPT_PIN_B: 4291 printf("(pin B)"); 4292 break; 4293 case PCI_INTERRUPT_PIN_C: 4294 printf("(pin C)"); 4295 break; 4296 case PCI_INTERRUPT_PIN_D: 4297 printf("(pin D)"); 4298 break; 4299 default: 4300 printf("(? ? ?)"); 4301 break; 4302 } 4303 printf("\n"); 4304 printf(" Interrupt line: 0x%02x\n", PCI_INTERRUPT_LINE(rval)); 4305 } 4306 4307 static void 4308 pci_conf_print_type1( 4309 #ifdef _KERNEL 4310 pci_chipset_tag_t pc, pcitag_t tag, 4311 #endif 4312 const pcireg_t *regs) 4313 { 4314 int off, width; 4315 pcireg_t rval, csreg; 4316 uint32_t base, limit; 4317 uint32_t base_h, limit_h; 4318 uint64_t pbase, plimit; 4319 int use_upper; 4320 4321 /* 4322 * This layout was cribbed from the TI PCI2030 PCI-to-PCI 4323 * Bridge chip documentation, and may not be correct with 4324 * respect to various standards. (XXX) 4325 */ 4326 4327 for (off = 0x10; off < 0x18; off += width) { 4328 #ifdef _KERNEL 4329 width = pci_conf_print_bar(pc, tag, regs, off, NULL); 4330 #else 4331 width = pci_conf_print_bar(regs, off, NULL); 4332 #endif 4333 } 4334 4335 rval = regs[o2i(PCI_BRIDGE_BUS_REG)]; 4336 printf(" Primary bus number: 0x%02x\n", 4337 PCI_BRIDGE_BUS_PRIMARY(rval)); 4338 printf(" Secondary bus number: 0x%02x\n", 4339 PCI_BRIDGE_BUS_SECONDARY(rval)); 4340 printf(" Subordinate bus number: 0x%02x\n", 4341 PCI_BRIDGE_BUS_SUBORDINATE(rval)); 4342 printf(" Secondary bus latency timer: 0x%02x\n", 4343 PCI_BRIDGE_BUS_SEC_LATTIMER(rval)); 4344 4345 rval = regs[o2i(PCI_BRIDGE_STATIO_REG)]; 4346 pci_conf_print_ssr(__SHIFTOUT(rval, __BITS(31, 16))); 4347 4348 /* I/O region */ 4349 printf(" I/O region:\n"); 4350 printf(" base register: 0x%02x\n", (rval >> 0) & 0xff); 4351 printf(" limit register: 0x%02x\n", (rval >> 8) & 0xff); 4352 if (PCI_BRIDGE_IO_32BITS(rval)) 4353 use_upper = 1; 4354 else 4355 use_upper = 0; 4356 onoff("32bit I/O", rval, use_upper); 4357 base = (rval & PCI_BRIDGE_STATIO_IOBASE_MASK) << 8; 4358 limit = ((rval >> PCI_BRIDGE_STATIO_IOLIMIT_SHIFT) 4359 & PCI_BRIDGE_STATIO_IOLIMIT_MASK) << 8; 4360 limit |= 0x00000fff; 4361 4362 rval = regs[o2i(PCI_BRIDGE_IOHIGH_REG)]; 4363 base_h = (rval >> 0) & 0xffff; 4364 limit_h = (rval >> 16) & 0xffff; 4365 printf(" base upper 16 bits register: 0x%04x\n", base_h); 4366 printf(" limit upper 16 bits register: 0x%04x\n", limit_h); 4367 4368 if (use_upper == 1) { 4369 base |= base_h << 16; 4370 limit |= limit_h << 16; 4371 } 4372 if (base < limit) { 4373 if (use_upper == 1) 4374 printf(" range: 0x%08x-0x%08x\n", base, limit); 4375 else 4376 printf(" range: 0x%04x-0x%04x\n", base, limit); 4377 } else 4378 printf(" range: not set\n"); 4379 4380 /* Non-prefetchable memory region */ 4381 rval = regs[o2i(PCI_BRIDGE_MEMORY_REG)]; 4382 printf(" Memory region:\n"); 4383 printf(" base register: 0x%04x\n", 4384 (rval >> 0) & 0xffff); 4385 printf(" limit register: 0x%04x\n", 4386 (rval >> 16) & 0xffff); 4387 base = ((rval >> PCI_BRIDGE_MEMORY_BASE_SHIFT) 4388 & PCI_BRIDGE_MEMORY_BASE_MASK) << 20; 4389 limit = (((rval >> PCI_BRIDGE_MEMORY_LIMIT_SHIFT) 4390 & PCI_BRIDGE_MEMORY_LIMIT_MASK) << 20) | 0x000fffff; 4391 if (base < limit) 4392 printf(" range: 0x%08x-0x%08x\n", base, limit); 4393 else 4394 printf(" range: not set\n"); 4395 4396 /* Prefetchable memory region */ 4397 rval = regs[o2i(PCI_BRIDGE_PREFETCHMEM_REG)]; 4398 printf(" Prefetchable memory region:\n"); 4399 printf(" base register: 0x%04x\n", 4400 (rval >> 0) & 0xffff); 4401 printf(" limit register: 0x%04x\n", 4402 (rval >> 16) & 0xffff); 4403 base_h = regs[o2i(PCI_BRIDGE_PREFETCHBASE32_REG)]; 4404 limit_h = regs[o2i(PCI_BRIDGE_PREFETCHLIMIT32_REG)]; 4405 printf(" base upper 32 bits register: 0x%08x\n", 4406 base_h); 4407 printf(" limit upper 32 bits register: 0x%08x\n", 4408 limit_h); 4409 if (PCI_BRIDGE_PREFETCHMEM_64BITS(rval)) 4410 use_upper = 1; 4411 else 4412 use_upper = 0; 4413 onoff("64bit memory address", rval, use_upper); 4414 pbase = ((rval >> PCI_BRIDGE_PREFETCHMEM_BASE_SHIFT) 4415 & PCI_BRIDGE_PREFETCHMEM_BASE_MASK) << 20; 4416 plimit = (((rval >> PCI_BRIDGE_PREFETCHMEM_LIMIT_SHIFT) 4417 & PCI_BRIDGE_PREFETCHMEM_LIMIT_MASK) << 20) | 0x000fffff; 4418 if (use_upper == 1) { 4419 pbase |= (uint64_t)base_h << 32; 4420 plimit |= (uint64_t)limit_h << 32; 4421 } 4422 if (pbase < plimit) { 4423 if (use_upper == 1) 4424 printf(" range: 0x%016" PRIx64 "-0x%016" PRIx64 4425 "\n", pbase, plimit); 4426 else 4427 printf(" range: 0x%08x-0x%08x\n", 4428 (uint32_t)pbase, (uint32_t)plimit); 4429 } else 4430 printf(" range: not set\n"); 4431 4432 csreg = regs[o2i(PCI_COMMAND_STATUS_REG)]; 4433 if (csreg & PCI_STATUS_CAPLIST_SUPPORT) 4434 printf(" Capability list pointer: 0x%02x\n", 4435 PCI_CAPLIST_PTR(regs[o2i(PCI_CAPLISTPTR_REG)])); 4436 else 4437 printf(" Reserved @ 0x34: 0x%08x\n", regs[o2i(0x34)]); 4438 4439 /* XXX */ 4440 printf(" Expansion ROM Base Address: 0x%08x\n", regs[o2i(0x38)]); 4441 4442 rval = regs[o2i(PCI_INTERRUPT_REG)]; 4443 printf(" Interrupt line: 0x%02x\n", 4444 (rval >> 0) & 0xff); 4445 printf(" Interrupt pin: 0x%02x ", 4446 (rval >> 8) & 0xff); 4447 switch ((rval >> 8) & 0xff) { 4448 case PCI_INTERRUPT_PIN_NONE: 4449 printf("(none)"); 4450 break; 4451 case PCI_INTERRUPT_PIN_A: 4452 printf("(pin A)"); 4453 break; 4454 case PCI_INTERRUPT_PIN_B: 4455 printf("(pin B)"); 4456 break; 4457 case PCI_INTERRUPT_PIN_C: 4458 printf("(pin C)"); 4459 break; 4460 case PCI_INTERRUPT_PIN_D: 4461 printf("(pin D)"); 4462 break; 4463 default: 4464 printf("(? ? ?)"); 4465 break; 4466 } 4467 printf("\n"); 4468 rval = (regs[o2i(PCI_BRIDGE_CONTROL_REG)] >> PCI_BRIDGE_CONTROL_SHIFT) 4469 & PCI_BRIDGE_CONTROL_MASK; 4470 printf(" Bridge control register: 0x%04x\n", rval); /* XXX bits */ 4471 onoff("Parity error response", rval, PCI_BRIDGE_CONTROL_PERE); 4472 onoff("Secondary SERR forwarding", rval, PCI_BRIDGE_CONTROL_SERR); 4473 onoff("ISA enable", rval, PCI_BRIDGE_CONTROL_ISA); 4474 onoff("VGA enable", rval, PCI_BRIDGE_CONTROL_VGA); 4475 /* 4476 * VGA 16bit decode bit has meaning if the VGA enable bit or the 4477 * VGA Palette Snoop Enable bit is set. 4478 */ 4479 if (((rval & PCI_BRIDGE_CONTROL_VGA) != 0) 4480 || ((csreg & PCI_COMMAND_PALETTE_ENABLE) != 0)) 4481 onoff("VGA 16bit enable", rval, PCI_BRIDGE_CONTROL_VGA16); 4482 onoff("Master abort reporting", rval, PCI_BRIDGE_CONTROL_MABRT); 4483 onoff("Secondary bus reset", rval, PCI_BRIDGE_CONTROL_SECBR); 4484 onoff("Fast back-to-back capable", rval,PCI_BRIDGE_CONTROL_SECFASTB2B); 4485 } 4486 4487 static void 4488 pci_conf_print_type2( 4489 #ifdef _KERNEL 4490 pci_chipset_tag_t pc, pcitag_t tag, 4491 #endif 4492 const pcireg_t *regs) 4493 { 4494 pcireg_t rval; 4495 4496 /* 4497 * XXX these need to be printed in more detail, need to be 4498 * XXX checked against specs/docs, etc. 4499 * 4500 * This layout was cribbed from the TI PCI1420 PCI-to-CardBus 4501 * controller chip documentation, and may not be correct with 4502 * respect to various standards. (XXX) 4503 */ 4504 4505 #ifdef _KERNEL 4506 pci_conf_print_bar(pc, tag, regs, 0x10, 4507 "CardBus socket/ExCA registers"); 4508 #else 4509 pci_conf_print_bar(regs, 0x10, "CardBus socket/ExCA registers"); 4510 #endif 4511 4512 /* Capability list pointer and secondary status register */ 4513 rval = regs[o2i(PCI_CARDBUS_CAPLISTPTR_REG)]; 4514 if (regs[o2i(PCI_COMMAND_STATUS_REG)] & PCI_STATUS_CAPLIST_SUPPORT) 4515 printf(" Capability list pointer: 0x%02x\n", 4516 PCI_CAPLIST_PTR(rval)); 4517 else 4518 printf(" Reserved @ 0x14: 0x%04x\n", 4519 (pcireg_t)__SHIFTOUT(rval, __BITS(15, 0))); 4520 pci_conf_print_ssr(__SHIFTOUT(rval, __BITS(31, 16))); 4521 4522 rval = regs[o2i(PCI_BRIDGE_BUS_REG)]; 4523 printf(" PCI bus number: 0x%02x\n", 4524 (rval >> 0) & 0xff); 4525 printf(" CardBus bus number: 0x%02x\n", 4526 (rval >> 8) & 0xff); 4527 printf(" Subordinate bus number: 0x%02x\n", 4528 (rval >> 16) & 0xff); 4529 printf(" CardBus latency timer: 0x%02x\n", 4530 (rval >> 24) & 0xff); 4531 4532 /* XXX Print more prettily */ 4533 printf(" CardBus memory region 0:\n"); 4534 printf(" base register: 0x%08x\n", regs[o2i(0x1c)]); 4535 printf(" limit register: 0x%08x\n", regs[o2i(0x20)]); 4536 printf(" CardBus memory region 1:\n"); 4537 printf(" base register: 0x%08x\n", regs[o2i(0x24)]); 4538 printf(" limit register: 0x%08x\n", regs[o2i(0x28)]); 4539 printf(" CardBus I/O region 0:\n"); 4540 printf(" base register: 0x%08x\n", regs[o2i(0x2c)]); 4541 printf(" limit register: 0x%08x\n", regs[o2i(0x30)]); 4542 printf(" CardBus I/O region 1:\n"); 4543 printf(" base register: 0x%08x\n", regs[o2i(0x34)]); 4544 printf(" limit register: 0x%08x\n", regs[o2i(0x38)]); 4545 4546 rval = regs[o2i(PCI_INTERRUPT_REG)]; 4547 printf(" Interrupt line: 0x%02x\n", 4548 (rval >> 0) & 0xff); 4549 printf(" Interrupt pin: 0x%02x ", 4550 (rval >> 8) & 0xff); 4551 switch ((rval >> 8) & 0xff) { 4552 case PCI_INTERRUPT_PIN_NONE: 4553 printf("(none)"); 4554 break; 4555 case PCI_INTERRUPT_PIN_A: 4556 printf("(pin A)"); 4557 break; 4558 case PCI_INTERRUPT_PIN_B: 4559 printf("(pin B)"); 4560 break; 4561 case PCI_INTERRUPT_PIN_C: 4562 printf("(pin C)"); 4563 break; 4564 case PCI_INTERRUPT_PIN_D: 4565 printf("(pin D)"); 4566 break; 4567 default: 4568 printf("(? ? ?)"); 4569 break; 4570 } 4571 printf("\n"); 4572 rval = (regs[o2i(PCI_BRIDGE_CONTROL_REG)] >> 16) & 0xffff; 4573 printf(" Bridge control register: 0x%04x\n", rval); 4574 onoff("Parity error response", rval, __BIT(0)); 4575 onoff("SERR# enable", rval, __BIT(1)); 4576 onoff("ISA enable", rval, __BIT(2)); 4577 onoff("VGA enable", rval, __BIT(3)); 4578 onoff("Master abort mode", rval, __BIT(5)); 4579 onoff("Secondary (CardBus) bus reset", rval, __BIT(6)); 4580 onoff("Functional interrupts routed by ExCA registers", rval, 4581 __BIT(7)); 4582 onoff("Memory window 0 prefetchable", rval, __BIT(8)); 4583 onoff("Memory window 1 prefetchable", rval, __BIT(9)); 4584 onoff("Write posting enable", rval, __BIT(10)); 4585 4586 rval = regs[o2i(0x40)]; 4587 printf(" Subsystem vendor ID: 0x%04x\n", PCI_VENDOR(rval)); 4588 printf(" Subsystem ID: 0x%04x\n", PCI_PRODUCT(rval)); 4589 4590 #ifdef _KERNEL 4591 pci_conf_print_bar(pc, tag, regs, 0x44, "legacy-mode registers"); 4592 #else 4593 pci_conf_print_bar(regs, 0x44, "legacy-mode registers"); 4594 #endif 4595 } 4596 4597 void 4598 pci_conf_print( 4599 #ifdef _KERNEL 4600 pci_chipset_tag_t pc, pcitag_t tag, 4601 void (*printfn)(pci_chipset_tag_t, pcitag_t, const pcireg_t *) 4602 #else 4603 int pcifd, u_int bus, u_int dev, u_int func 4604 #endif 4605 ) 4606 { 4607 pcireg_t regs[o2i(PCI_EXTCONF_SIZE)]; 4608 int off, capoff, endoff, hdrtype; 4609 const char *type_name; 4610 #ifdef _KERNEL 4611 void (*type_printfn)(pci_chipset_tag_t, pcitag_t, const pcireg_t *); 4612 #else 4613 void (*type_printfn)(const pcireg_t *); 4614 #endif 4615 4616 printf("PCI configuration registers:\n"); 4617 4618 for (off = 0; off < PCI_EXTCONF_SIZE; off += 4) { 4619 #ifdef _KERNEL 4620 regs[o2i(off)] = pci_conf_read(pc, tag, off); 4621 #else 4622 if (pcibus_conf_read(pcifd, bus, dev, func, off, 4623 ®s[o2i(off)]) == -1) 4624 regs[o2i(off)] = 0; 4625 #endif 4626 } 4627 4628 /* common header */ 4629 printf(" Common header:\n"); 4630 pci_conf_print_regs(regs, 0, 16); 4631 4632 printf("\n"); 4633 #ifdef _KERNEL 4634 pci_conf_print_common(pc, tag, regs); 4635 #else 4636 pci_conf_print_common(regs); 4637 #endif 4638 printf("\n"); 4639 4640 /* type-dependent header */ 4641 hdrtype = PCI_HDRTYPE_TYPE(regs[o2i(PCI_BHLC_REG)]); 4642 switch (hdrtype) { /* XXX make a table, eventually */ 4643 case 0: 4644 /* Standard device header */ 4645 type_name = "\"normal\" device"; 4646 type_printfn = &pci_conf_print_type0; 4647 capoff = PCI_CAPLISTPTR_REG; 4648 endoff = 64; 4649 break; 4650 case 1: 4651 /* PCI-PCI bridge header */ 4652 type_name = "PCI-PCI bridge"; 4653 type_printfn = &pci_conf_print_type1; 4654 capoff = PCI_CAPLISTPTR_REG; 4655 endoff = 64; 4656 break; 4657 case 2: 4658 /* PCI-CardBus bridge header */ 4659 type_name = "PCI-CardBus bridge"; 4660 type_printfn = &pci_conf_print_type2; 4661 capoff = PCI_CARDBUS_CAPLISTPTR_REG; 4662 endoff = 72; 4663 break; 4664 default: 4665 type_name = NULL; 4666 type_printfn = 0; 4667 capoff = -1; 4668 endoff = 64; 4669 break; 4670 } 4671 printf(" Type %d ", hdrtype); 4672 if (type_name != NULL) 4673 printf("(%s) ", type_name); 4674 printf("header:\n"); 4675 pci_conf_print_regs(regs, 16, endoff); 4676 printf("\n"); 4677 if (type_printfn) { 4678 #ifdef _KERNEL 4679 (*type_printfn)(pc, tag, regs); 4680 #else 4681 (*type_printfn)(regs); 4682 #endif 4683 } else 4684 printf(" Don't know how to pretty-print type %d header.\n", 4685 hdrtype); 4686 printf("\n"); 4687 4688 /* capability list, if present */ 4689 if ((regs[o2i(PCI_COMMAND_STATUS_REG)] & PCI_STATUS_CAPLIST_SUPPORT) 4690 && (capoff > 0)) { 4691 #ifdef _KERNEL 4692 pci_conf_print_caplist(pc, tag, regs, capoff); 4693 #else 4694 pci_conf_print_caplist(regs, capoff); 4695 #endif 4696 printf("\n"); 4697 } 4698 4699 /* device-dependent header */ 4700 printf(" Device-dependent header:\n"); 4701 pci_conf_print_regs(regs, endoff, PCI_CONF_SIZE); 4702 printf("\n"); 4703 #ifdef _KERNEL 4704 if (printfn) 4705 (*printfn)(pc, tag, regs); 4706 else 4707 printf(" Don't know how to pretty-print device-dependent header.\n"); 4708 printf("\n"); 4709 #endif /* _KERNEL */ 4710 4711 if (regs[o2i(PCI_EXTCAPLIST_BASE)] == 0xffffffff || 4712 regs[o2i(PCI_EXTCAPLIST_BASE)] == 0) 4713 return; 4714 4715 #ifdef _KERNEL 4716 pci_conf_print_extcaplist(pc, tag, regs); 4717 #else 4718 pci_conf_print_extcaplist(regs); 4719 #endif 4720 printf("\n"); 4721 4722 /* Extended Configuration Space, if present */ 4723 printf(" Extended Configuration Space:\n"); 4724 pci_conf_print_regs(regs, PCI_EXTCAPLIST_BASE, PCI_EXTCONF_SIZE); 4725 } 4726