1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2007 Yahoo!, Inc. 5 * All rights reserved. 6 * Written by: John Baldwin <jhb@FreeBSD.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#include <sys/types.h> 34 35#include <err.h> 36#include <stdio.h> 37#include <strings.h> 38#include <sys/agpio.h> 39#include <sys/pciio.h> 40 41#include <dev/agp/agpreg.h> 42#include <dev/pci/pcireg.h> 43 44#include "pciconf.h" 45 46static void list_ecaps(int fd, struct pci_conf *p); 47 48static int cap_level; 49 50static void 51cap_power(int fd, struct pci_conf *p, uint8_t ptr) 52{ 53 uint16_t cap, status; 54 55 cap = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_CAP, 2); 56 status = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_STATUS, 2); 57 printf("powerspec %d supports D0%s%s D3 current D%d", 58 cap & PCIM_PCAP_SPEC, 59 cap & PCIM_PCAP_D1SUPP ? " D1" : "", 60 cap & PCIM_PCAP_D2SUPP ? " D2" : "", 61 status & PCIM_PSTAT_DMASK); 62} 63 64static void 65cap_agp(int fd, struct pci_conf *p, uint8_t ptr) 66{ 67 uint32_t status, command; 68 69 status = read_config(fd, &p->pc_sel, ptr + AGP_STATUS, 4); 70 command = read_config(fd, &p->pc_sel, ptr + AGP_CAPID, 4); 71 printf("AGP "); 72 if (AGP_MODE_GET_MODE_3(status)) { 73 printf("v3 "); 74 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_8x) 75 printf("8x "); 76 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_4x) 77 printf("4x "); 78 } else { 79 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_4x) 80 printf("4x "); 81 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_2x) 82 printf("2x "); 83 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_1x) 84 printf("1x "); 85 } 86 if (AGP_MODE_GET_SBA(status)) 87 printf("SBA "); 88 if (AGP_MODE_GET_AGP(command)) { 89 printf("enabled at "); 90 if (AGP_MODE_GET_MODE_3(command)) { 91 printf("v3 "); 92 switch (AGP_MODE_GET_RATE(command)) { 93 case AGP_MODE_V3_RATE_8x: 94 printf("8x "); 95 break; 96 case AGP_MODE_V3_RATE_4x: 97 printf("4x "); 98 break; 99 } 100 } else 101 switch (AGP_MODE_GET_RATE(command)) { 102 case AGP_MODE_V2_RATE_4x: 103 printf("4x "); 104 break; 105 case AGP_MODE_V2_RATE_2x: 106 printf("2x "); 107 break; 108 case AGP_MODE_V2_RATE_1x: 109 printf("1x "); 110 break; 111 } 112 if (AGP_MODE_GET_SBA(command)) 113 printf("SBA "); 114 } else 115 printf("disabled"); 116} 117 118static void 119cap_vpd(int fd __unused, struct pci_conf *p __unused, uint8_t ptr __unused) 120{ 121 122 printf("VPD"); 123} 124 125static void 126cap_msi(int fd, struct pci_conf *p, uint8_t ptr) 127{ 128 uint16_t ctrl; 129 int msgnum; 130 131 ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSI_CTRL, 2); 132 msgnum = 1 << ((ctrl & PCIM_MSICTRL_MMC_MASK) >> 1); 133 printf("MSI supports %d message%s%s%s ", msgnum, 134 (msgnum == 1) ? "" : "s", 135 (ctrl & PCIM_MSICTRL_64BIT) ? ", 64 bit" : "", 136 (ctrl & PCIM_MSICTRL_VECTOR) ? ", vector masks" : ""); 137 if (ctrl & PCIM_MSICTRL_MSI_ENABLE) { 138 msgnum = 1 << ((ctrl & PCIM_MSICTRL_MME_MASK) >> 4); 139 printf("enabled with %d message%s", msgnum, 140 (msgnum == 1) ? "" : "s"); 141 } 142} 143 144static void 145cap_pcix(int fd, struct pci_conf *p, uint8_t ptr) 146{ 147 uint32_t status; 148 int comma, max_splits, max_burst_read; 149 150 status = read_config(fd, &p->pc_sel, ptr + PCIXR_STATUS, 4); 151 printf("PCI-X "); 152 if (status & PCIXM_STATUS_64BIT) 153 printf("64-bit "); 154 if ((p->pc_hdr & PCIM_HDRTYPE) == 1) 155 printf("bridge "); 156 if ((p->pc_hdr & PCIM_HDRTYPE) != 1 || (status & (PCIXM_STATUS_133CAP | 157 PCIXM_STATUS_266CAP | PCIXM_STATUS_533CAP)) != 0) 158 printf("supports"); 159 comma = 0; 160 if (status & PCIXM_STATUS_133CAP) { 161 printf(" 133MHz"); 162 comma = 1; 163 } 164 if (status & PCIXM_STATUS_266CAP) { 165 printf("%s 266MHz", comma ? "," : ""); 166 comma = 1; 167 } 168 if (status & PCIXM_STATUS_533CAP) { 169 printf("%s 533MHz", comma ? "," : ""); 170 comma = 1; 171 } 172 if ((p->pc_hdr & PCIM_HDRTYPE) == 1) 173 return; 174 max_burst_read = 0; 175 switch (status & PCIXM_STATUS_MAX_READ) { 176 case PCIXM_STATUS_MAX_READ_512: 177 max_burst_read = 512; 178 break; 179 case PCIXM_STATUS_MAX_READ_1024: 180 max_burst_read = 1024; 181 break; 182 case PCIXM_STATUS_MAX_READ_2048: 183 max_burst_read = 2048; 184 break; 185 case PCIXM_STATUS_MAX_READ_4096: 186 max_burst_read = 4096; 187 break; 188 } 189 max_splits = 0; 190 switch (status & PCIXM_STATUS_MAX_SPLITS) { 191 case PCIXM_STATUS_MAX_SPLITS_1: 192 max_splits = 1; 193 break; 194 case PCIXM_STATUS_MAX_SPLITS_2: 195 max_splits = 2; 196 break; 197 case PCIXM_STATUS_MAX_SPLITS_3: 198 max_splits = 3; 199 break; 200 case PCIXM_STATUS_MAX_SPLITS_4: 201 max_splits = 4; 202 break; 203 case PCIXM_STATUS_MAX_SPLITS_8: 204 max_splits = 8; 205 break; 206 case PCIXM_STATUS_MAX_SPLITS_12: 207 max_splits = 12; 208 break; 209 case PCIXM_STATUS_MAX_SPLITS_16: 210 max_splits = 16; 211 break; 212 case PCIXM_STATUS_MAX_SPLITS_32: 213 max_splits = 32; 214 break; 215 } 216 printf("%s %d burst read, %d split transaction%s", comma ? "," : "", 217 max_burst_read, max_splits, max_splits == 1 ? "" : "s"); 218} 219 220static void 221cap_ht(int fd, struct pci_conf *p, uint8_t ptr) 222{ 223 uint32_t reg; 224 uint16_t command; 225 226 command = read_config(fd, &p->pc_sel, ptr + PCIR_HT_COMMAND, 2); 227 printf("HT "); 228 if ((command & 0xe000) == PCIM_HTCAP_SLAVE) 229 printf("slave"); 230 else if ((command & 0xe000) == PCIM_HTCAP_HOST) 231 printf("host"); 232 else 233 switch (command & PCIM_HTCMD_CAP_MASK) { 234 case PCIM_HTCAP_SWITCH: 235 printf("switch"); 236 break; 237 case PCIM_HTCAP_INTERRUPT: 238 printf("interrupt"); 239 break; 240 case PCIM_HTCAP_REVISION_ID: 241 printf("revision ID"); 242 break; 243 case PCIM_HTCAP_UNITID_CLUMPING: 244 printf("unit ID clumping"); 245 break; 246 case PCIM_HTCAP_EXT_CONFIG_SPACE: 247 printf("extended config space"); 248 break; 249 case PCIM_HTCAP_ADDRESS_MAPPING: 250 printf("address mapping"); 251 break; 252 case PCIM_HTCAP_MSI_MAPPING: 253 printf("MSI %saddress window %s at 0x", 254 command & PCIM_HTCMD_MSI_FIXED ? "fixed " : "", 255 command & PCIM_HTCMD_MSI_ENABLE ? "enabled" : 256 "disabled"); 257 if (command & PCIM_HTCMD_MSI_FIXED) 258 printf("fee00000"); 259 else { 260 reg = read_config(fd, &p->pc_sel, 261 ptr + PCIR_HTMSI_ADDRESS_HI, 4); 262 if (reg != 0) 263 printf("%08x", reg); 264 reg = read_config(fd, &p->pc_sel, 265 ptr + PCIR_HTMSI_ADDRESS_LO, 4); 266 printf("%08x", reg); 267 } 268 break; 269 case PCIM_HTCAP_DIRECT_ROUTE: 270 printf("direct route"); 271 break; 272 case PCIM_HTCAP_VCSET: 273 printf("VC set"); 274 break; 275 case PCIM_HTCAP_RETRY_MODE: 276 printf("retry mode"); 277 break; 278 case PCIM_HTCAP_X86_ENCODING: 279 printf("X86 encoding"); 280 break; 281 case PCIM_HTCAP_GEN3: 282 printf("Gen3"); 283 break; 284 case PCIM_HTCAP_FLE: 285 printf("function-level extension"); 286 break; 287 case PCIM_HTCAP_PM: 288 printf("power management"); 289 break; 290 case PCIM_HTCAP_HIGH_NODE_COUNT: 291 printf("high node count"); 292 break; 293 default: 294 printf("unknown %02x", command); 295 break; 296 } 297} 298 299static void 300cap_vendor(int fd, struct pci_conf *p, uint8_t ptr) 301{ 302 uint8_t length; 303 304 length = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_LENGTH, 1); 305 printf("vendor (length %d)", length); 306 if (p->pc_vendor == 0x8086) { 307 /* Intel */ 308 uint8_t version; 309 310 version = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_DATA, 311 1); 312 printf(" Intel cap %d version %d", version >> 4, version & 0xf); 313 if (version >> 4 == 1 && length == 12) { 314 /* Feature Detection */ 315 uint32_t fvec; 316 int comma; 317 318 comma = 0; 319 fvec = read_config(fd, &p->pc_sel, ptr + 320 PCIR_VENDOR_DATA + 5, 4); 321 printf("\n\t\t features:"); 322 if (fvec & (1 << 0)) { 323 printf(" AMT"); 324 comma = 1; 325 } 326 fvec = read_config(fd, &p->pc_sel, ptr + 327 PCIR_VENDOR_DATA + 1, 4); 328 if (fvec & (1 << 21)) { 329 printf("%s Quick Resume", comma ? "," : ""); 330 comma = 1; 331 } 332 if (fvec & (1 << 18)) { 333 printf("%s SATA RAID-5", comma ? "," : ""); 334 comma = 1; 335 } 336 if (fvec & (1 << 9)) { 337 printf("%s Mobile", comma ? "," : ""); 338 comma = 1; 339 } 340 if (fvec & (1 << 7)) { 341 printf("%s 6 PCI-e x1 slots", comma ? "," : ""); 342 comma = 1; 343 } else { 344 printf("%s 4 PCI-e x1 slots", comma ? "," : ""); 345 comma = 1; 346 } 347 if (fvec & (1 << 5)) { 348 printf("%s SATA RAID-0/1/10", comma ? "," : ""); 349 comma = 1; 350 } 351 if (fvec & (1 << 3)) 352 printf(", SATA AHCI"); 353 } 354 } 355} 356 357static void 358cap_debug(int fd, struct pci_conf *p, uint8_t ptr) 359{ 360 uint16_t debug_port; 361 362 debug_port = read_config(fd, &p->pc_sel, ptr + PCIR_DEBUG_PORT, 2); 363 printf("EHCI Debug Port at offset 0x%x in map 0x%x", debug_port & 364 PCIM_DEBUG_PORT_OFFSET, PCIR_BAR(debug_port >> 13)); 365} 366 367static void 368cap_subvendor(int fd, struct pci_conf *p, uint8_t ptr) 369{ 370 uint32_t id; 371 uint16_t ssid, ssvid; 372 373 id = read_config(fd, &p->pc_sel, ptr + PCIR_SUBVENDCAP_ID, 4); 374 ssid = id >> 16; 375 ssvid = id & 0xffff; 376 printf("PCI Bridge subvendor=0x%04x subdevice=0x%04x", ssvid, ssid); 377} 378 379static const char * 380cap_secdev_amdiommu_decode_vasize(uint32_t misc0) 381{ 382 switch (misc0 & PCIM_AMDIOMMU_MISC0_VASIZE_MASK) { 383 case PCIM_AMDIOMMU_MISC0_VASIZE_32: 384 return ("32bit"); 385 case PCIM_AMDIOMMU_MISC0_VASIZE_40: 386 return ("40bit"); 387 case PCIM_AMDIOMMU_MISC0_VASIZE_48: 388 return ("48bit"); 389 case PCIM_AMDIOMMU_MISC0_VASIZE_64: 390 return ("64bit"); 391 default: 392 return ("unknown"); 393 } 394} 395 396static const char * 397cap_secdev_amdiommu_decode_pasize(uint32_t misc0) 398{ 399 switch (misc0 & PCIM_AMDIOMMU_MISC0_PASIZE_MASK) { 400 case PCIM_AMDIOMMU_MISC0_PASIZE_40: 401 return ("40bit"); 402 case PCIM_AMDIOMMU_MISC0_PASIZE_48: 403 return ("48bit"); 404 case PCIM_AMDIOMMU_MISC0_PASIZE_52: 405 return ("52bit"); 406 default: 407 return ("unknown"); 408 } 409} 410 411static const char * 412cap_secdev_amdiommu_decode_gvasize(uint32_t misc0) 413{ 414 switch (misc0 & PCIM_AMDIOMMU_MISC0_GVASIZE_MASK) { 415 case PCIM_AMDIOMMU_MISC0_GVASIZE_48: 416 return ("48bit"); 417 case PCIM_AMDIOMMU_MISC0_GVASIZE_57: 418 return ("57bit"); 419 default: 420 return ("unknown"); 421 } 422} 423 424static void 425cap_secdev(int fd, struct pci_conf *p, uint8_t ptr) 426{ 427 uint32_t cap_h; 428 uint32_t cap_type, cap_rev; 429 uint32_t base_low, base_high; 430 uint32_t range; 431 uint32_t misc0, misc1; 432 const char *delim; 433 434 cap_h = read_config(fd, &p->pc_sel, ptr + PCIR_AMDIOMMU_CAP_HEADER, 4); 435 cap_type = cap_h & PCIM_AMDIOMMU_CAP_TYPE_MASK; 436 cap_rev = cap_h & PCIM_AMDIOMMU_CAP_REV_MASK; 437 if (cap_type != PCIM_AMDIOMMU_CAP_TYPE_VAL || 438 cap_rev != PCIM_AMDIOMMU_CAP_REV_VAL) { 439 printf("Secure Device Type=0x%1x Rev=0x%02x\n", 440 cap_type >> 16, cap_rev >> 19); 441 return; 442 } 443 base_low = read_config(fd, &p->pc_sel, ptr + PCIR_AMDIOMMU_BASE_LOW, 444 4); 445 base_high = read_config(fd, &p->pc_sel, ptr + PCIR_AMDIOMMU_BASE_HIGH, 446 4); 447 printf("AMD IOMMU Base Capability Base=%#018jx/%sabled", 448 (uintmax_t)(base_low & PCIM_AMDIOMMU_BASE_LOW_ADDRM) + 449 ((uintmax_t)base_high << 32), 450 (base_low & PCIM_AMDIOMMU_BASE_LOW_EN) != 0 ? "En" : "Dis"); 451 452 delim = "\n\t\t"; 453#define PRINTCAP(bit, name) \ 454 if ((cap_h & PCIM_AMDIOMMU_CAP_ ##bit) != 0) { \ 455 printf("%s%s", delim, #name); \ 456 delim = ","; \ 457 } 458 PRINTCAP(CAPEXT, CapExt); 459 PRINTCAP(EFR, EFRSup); 460 PRINTCAP(NPCACHE, NpCache); 461 PRINTCAP(HTTUN, HtTunnel); 462 PRINTCAP(IOTLB, IotlbSup); 463#undef PRINTCAP 464 465 range = read_config(fd, &p->pc_sel, ptr + PCIR_AMDIOMMU_RANGE, 4); 466 printf("\n\t\tUnitId=%d", range & PCIM_AMDIOMMU_RANGE_UNITID_MASK); 467 if ((range & PCIM_AMDIOMMU_RANGE_RNGVALID) != 0) { 468 printf(" BusNum=%#06x FirstDev=%#06x LastDev=%#06x", 469 (range & PCIM_AMDIOMMU_RANGE_BUSNUM_MASK) >> 8, 470 (range & PCIM_AMDIOMMU_RANGE_FIRSTDEV_MASK) >> 16, 471 (range & PCIM_AMDIOMMU_RANGE_LASTDEV_MASK) >> 24); 472 } 473 474 misc0 = read_config(fd, &p->pc_sel, ptr + PCIR_AMDIOMMU_MISC0, 4); 475 printf("\n\t\tMsiNum=%d MsiNumPPR=%d HtAtsResv=%d", 476 misc0 & PCIM_AMDIOMMU_MISC0_MSINUM_MASK, 477 (misc0 & PCIM_AMDIOMMU_MISC0_MSINUMPPR_MASK) >> 27, 478 (misc0 & PCIM_AMDIOMMU_MISC0_HTATSRESV) != 0); 479 if ((cap_h & PCIM_AMDIOMMU_CAP_CAPEXT) != 0) { 480 misc1 = read_config(fd, &p->pc_sel, 481 ptr + PCIR_AMDIOMMU_MISC1, 4); 482 printf(" MsiNumGA=%d", 483 misc1 & PCIM_AMDIOMMU_MISC1_MSINUMGA_MASK); 484 } 485 printf("\n\t\tVAsize=%s PAsize=%s GVAsize=%s", 486 cap_secdev_amdiommu_decode_vasize(misc0), 487 cap_secdev_amdiommu_decode_pasize(misc0), 488 cap_secdev_amdiommu_decode_gvasize(misc0)); 489} 490 491#define MAX_PAYLOAD(field) (128 << (field)) 492 493static const char * 494link_speed_string(uint8_t speed) 495{ 496 497 switch (speed) { 498 case 1: 499 return ("2.5"); 500 case 2: 501 return ("5.0"); 502 case 3: 503 return ("8.0"); 504 case 4: 505 return ("16.0"); 506 case 5: 507 return ("32.0"); 508 case 6: 509 return ("64.0"); 510 default: 511 return ("undef"); 512 } 513} 514 515static const char * 516max_read_string(u_int max_read) 517{ 518 519 switch (max_read) { 520 case 0x0: 521 return ("128"); 522 case 0x1: 523 return ("256"); 524 case 0x2: 525 return ("512"); 526 case 0x3: 527 return ("1024"); 528 case 0x4: 529 return ("2048"); 530 case 0x5: 531 return ("4096"); 532 default: 533 return ("undef"); 534 } 535} 536 537static const char * 538aspm_string(uint8_t aspm) 539{ 540 541 switch (aspm) { 542 case 1: 543 return ("L0s"); 544 case 2: 545 return ("L1"); 546 case 3: 547 return ("L0s/L1"); 548 default: 549 return ("disabled"); 550 } 551} 552 553static int 554slot_power(uint32_t cap) 555{ 556 int mwatts; 557 558 mwatts = (cap & PCIEM_SLOT_CAP_SPLV) >> 7; 559 switch (cap & PCIEM_SLOT_CAP_SPLS) { 560 case 0x0: 561 mwatts *= 1000; 562 break; 563 case 0x1: 564 mwatts *= 100; 565 break; 566 case 0x2: 567 mwatts *= 10; 568 break; 569 default: 570 break; 571 } 572 return (mwatts); 573} 574 575static void 576cap_express(int fd, struct pci_conf *p, uint8_t ptr) 577{ 578 uint32_t cap; 579 uint16_t ctl, flags, sta; 580 unsigned int version; 581 582 flags = read_config(fd, &p->pc_sel, ptr + PCIER_FLAGS, 2); 583 version = flags & PCIEM_FLAGS_VERSION; 584 printf("PCI-Express %u ", version); 585 switch (flags & PCIEM_FLAGS_TYPE) { 586 case PCIEM_TYPE_ENDPOINT: 587 printf("endpoint"); 588 break; 589 case PCIEM_TYPE_LEGACY_ENDPOINT: 590 printf("legacy endpoint"); 591 break; 592 case PCIEM_TYPE_ROOT_PORT: 593 printf("root port"); 594 break; 595 case PCIEM_TYPE_UPSTREAM_PORT: 596 printf("upstream port"); 597 break; 598 case PCIEM_TYPE_DOWNSTREAM_PORT: 599 printf("downstream port"); 600 break; 601 case PCIEM_TYPE_PCI_BRIDGE: 602 printf("PCI bridge"); 603 break; 604 case PCIEM_TYPE_PCIE_BRIDGE: 605 printf("PCI to PCIe bridge"); 606 break; 607 case PCIEM_TYPE_ROOT_INT_EP: 608 printf("root endpoint"); 609 break; 610 case PCIEM_TYPE_ROOT_EC: 611 printf("event collector"); 612 break; 613 default: 614 printf("type %d", (flags & PCIEM_FLAGS_TYPE) >> 4); 615 break; 616 } 617 if (flags & PCIEM_FLAGS_IRQ) 618 printf(" MSI %d", (flags & PCIEM_FLAGS_IRQ) >> 9); 619 cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP, 4); 620 ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL, 2); 621 printf(" max data %d(%d)", 622 MAX_PAYLOAD((ctl & PCIEM_CTL_MAX_PAYLOAD) >> 5), 623 MAX_PAYLOAD(cap & PCIEM_CAP_MAX_PAYLOAD)); 624 if ((cap & PCIEM_CAP_FLR) != 0) 625 printf(" FLR"); 626 if (ctl & PCIEM_CTL_RELAXED_ORD_ENABLE) 627 printf(" RO"); 628 if (ctl & PCIEM_CTL_NOSNOOP_ENABLE) 629 printf(" NS"); 630 if (version >= 2) { 631 cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP2, 4); 632 if ((cap & PCIEM_CAP2_ARI) != 0) { 633 ctl = read_config(fd, &p->pc_sel, 634 ptr + PCIER_DEVICE_CTL2, 4); 635 printf(" ARI %s", 636 (ctl & PCIEM_CTL2_ARI) ? "enabled" : "disabled"); 637 } 638 } 639 printf("\n max read %s", max_read_string((ctl & 640 PCIEM_CTL_MAX_READ_REQUEST) >> 12)); 641 cap = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CAP, 4); 642 sta = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_STA, 2); 643 if (cap == 0 && sta == 0) 644 return; 645 printf("\n "); 646 printf(" link x%d(x%d)", (sta & PCIEM_LINK_STA_WIDTH) >> 4, 647 (cap & PCIEM_LINK_CAP_MAX_WIDTH) >> 4); 648 if ((cap & PCIEM_LINK_CAP_MAX_WIDTH) != 0) { 649 printf(" speed %s(%s)", (sta & PCIEM_LINK_STA_WIDTH) == 0 ? 650 "0.0" : link_speed_string(sta & PCIEM_LINK_STA_SPEED), 651 link_speed_string(cap & PCIEM_LINK_CAP_MAX_SPEED)); 652 } 653 if ((cap & PCIEM_LINK_CAP_ASPM) != 0) { 654 ctl = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CTL, 2); 655 printf(" ASPM %s(%s)", aspm_string(ctl & PCIEM_LINK_CTL_ASPMC), 656 aspm_string((cap & PCIEM_LINK_CAP_ASPM) >> 10)); 657 } 658 if ((cap & PCIEM_LINK_CAP_CLOCK_PM) != 0) { 659 ctl = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CTL, 2); 660 printf(" ClockPM %s", (ctl & PCIEM_LINK_CTL_ECPM) ? 661 "enabled" : "disabled"); 662 } 663 if (!(flags & PCIEM_FLAGS_SLOT)) 664 return; 665 cap = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CAP, 4); 666 sta = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_STA, 2); 667 ctl = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CTL, 2); 668 printf("\n "); 669 printf(" slot %d", (cap & PCIEM_SLOT_CAP_PSN) >> 19); 670 printf(" power limit %d mW", slot_power(cap)); 671 if (cap & PCIEM_SLOT_CAP_HPC) 672 printf(" HotPlug(%s)", sta & PCIEM_SLOT_STA_PDS ? "present" : 673 "empty"); 674 if (cap & PCIEM_SLOT_CAP_HPS) 675 printf(" surprise"); 676 if (cap & PCIEM_SLOT_CAP_APB) 677 printf(" Attn Button"); 678 if (cap & PCIEM_SLOT_CAP_PCP) 679 printf(" PC(%s)", ctl & PCIEM_SLOT_CTL_PCC ? "off" : "on"); 680 if (cap & PCIEM_SLOT_CAP_MRLSP) 681 printf(" MRL(%s)", sta & PCIEM_SLOT_STA_MRLSS ? "open" : 682 "closed"); 683 if (cap & PCIEM_SLOT_CAP_EIP) 684 printf(" EI(%s)", sta & PCIEM_SLOT_STA_EIS ? "engaged" : 685 "disengaged"); 686} 687 688static void 689cap_msix(int fd, struct pci_conf *p, uint8_t ptr) 690{ 691 uint32_t pba_offset, table_offset, val; 692 int msgnum, pba_bar, table_bar; 693 uint16_t ctrl; 694 695 ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_CTRL, 2); 696 msgnum = (ctrl & PCIM_MSIXCTRL_TABLE_SIZE) + 1; 697 698 val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_TABLE, 4); 699 table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); 700 table_offset = val & ~PCIM_MSIX_BIR_MASK; 701 702 val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_PBA, 4); 703 pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); 704 pba_offset = val & ~PCIM_MSIX_BIR_MASK; 705 706 printf("MSI-X supports %d message%s%s\n", msgnum, 707 (msgnum == 1) ? "" : "s", 708 (ctrl & PCIM_MSIXCTRL_MSIX_ENABLE) ? ", enabled" : ""); 709 710 printf(" "); 711 printf("Table in map 0x%x[0x%x], PBA in map 0x%x[0x%x]", 712 table_bar, table_offset, pba_bar, pba_offset); 713} 714 715static void 716cap_sata(int fd __unused, struct pci_conf *p __unused, uint8_t ptr __unused) 717{ 718 719 printf("SATA Index-Data Pair"); 720} 721 722static void 723cap_pciaf(int fd, struct pci_conf *p, uint8_t ptr) 724{ 725 uint8_t cap; 726 727 cap = read_config(fd, &p->pc_sel, ptr + PCIR_PCIAF_CAP, 1); 728 printf("PCI Advanced Features:%s%s", 729 cap & PCIM_PCIAFCAP_FLR ? " FLR" : "", 730 cap & PCIM_PCIAFCAP_TP ? " TP" : ""); 731} 732 733static const char * 734ea_bei_to_name(int bei) 735{ 736 static const char *barstr[] = { 737 "BAR0", "BAR1", "BAR2", "BAR3", "BAR4", "BAR5" 738 }; 739 static const char *vfbarstr[] = { 740 "VFBAR0", "VFBAR1", "VFBAR2", "VFBAR3", "VFBAR4", "VFBAR5" 741 }; 742 743 if ((bei >= PCIM_EA_BEI_BAR_0) && (bei <= PCIM_EA_BEI_BAR_5)) 744 return (barstr[bei - PCIM_EA_BEI_BAR_0]); 745 if ((bei >= PCIM_EA_BEI_VF_BAR_0) && (bei <= PCIM_EA_BEI_VF_BAR_5)) 746 return (vfbarstr[bei - PCIM_EA_BEI_VF_BAR_0]); 747 748 switch (bei) { 749 case PCIM_EA_BEI_BRIDGE: 750 return "BRIDGE"; 751 case PCIM_EA_BEI_ENI: 752 return "ENI"; 753 case PCIM_EA_BEI_ROM: 754 return "ROM"; 755 case PCIM_EA_BEI_RESERVED: 756 default: 757 return "RSVD"; 758 } 759} 760 761static const char * 762ea_prop_to_name(uint8_t prop) 763{ 764 765 switch (prop) { 766 case PCIM_EA_P_MEM: 767 return "Non-Prefetchable Memory"; 768 case PCIM_EA_P_MEM_PREFETCH: 769 return "Prefetchable Memory"; 770 case PCIM_EA_P_IO: 771 return "I/O Space"; 772 case PCIM_EA_P_VF_MEM_PREFETCH: 773 return "VF Prefetchable Memory"; 774 case PCIM_EA_P_VF_MEM: 775 return "VF Non-Prefetchable Memory"; 776 case PCIM_EA_P_BRIDGE_MEM: 777 return "Bridge Non-Prefetchable Memory"; 778 case PCIM_EA_P_BRIDGE_MEM_PREFETCH: 779 return "Bridge Prefetchable Memory"; 780 case PCIM_EA_P_BRIDGE_IO: 781 return "Bridge I/O Space"; 782 case PCIM_EA_P_MEM_RESERVED: 783 return "Reserved Memory"; 784 case PCIM_EA_P_IO_RESERVED: 785 return "Reserved I/O Space"; 786 case PCIM_EA_P_UNAVAILABLE: 787 return "Unavailable"; 788 default: 789 return "Reserved"; 790 } 791} 792 793static void 794cap_ea(int fd, struct pci_conf *p, uint8_t ptr) 795{ 796 int num_ent; 797 int a, b; 798 uint32_t bei; 799 uint32_t val; 800 int ent_size; 801 uint32_t dw[4]; 802 uint32_t flags, flags_pp, flags_sp; 803 uint64_t base, max_offset; 804 uint8_t fixed_sub_bus_nr, fixed_sec_bus_nr; 805 806 /* Determine the number of entries */ 807 num_ent = read_config(fd, &p->pc_sel, ptr + PCIR_EA_NUM_ENT, 2); 808 num_ent &= PCIM_EA_NUM_ENT_MASK; 809 810 printf("PCI Enhanced Allocation (%d entries)", num_ent); 811 812 /* Find the first entry to care of */ 813 ptr += PCIR_EA_FIRST_ENT; 814 815 /* Print BUS numbers for bridges */ 816 if ((p->pc_hdr & PCIM_HDRTYPE) == PCIM_HDRTYPE_BRIDGE) { 817 val = read_config(fd, &p->pc_sel, ptr, 4); 818 819 fixed_sec_bus_nr = PCIM_EA_SEC_NR(val); 820 fixed_sub_bus_nr = PCIM_EA_SUB_NR(val); 821 822 printf("\n\t\t BRIDGE, sec bus [%d], sub bus [%d]", 823 fixed_sec_bus_nr, fixed_sub_bus_nr); 824 ptr += 4; 825 } 826 827 for (a = 0; a < num_ent; a++) { 828 /* Read a number of dwords in the entry */ 829 val = read_config(fd, &p->pc_sel, ptr, 4); 830 ptr += 4; 831 ent_size = (val & PCIM_EA_ES); 832 833 for (b = 0; b < ent_size; b++) { 834 dw[b] = read_config(fd, &p->pc_sel, ptr, 4); 835 ptr += 4; 836 } 837 838 flags = val; 839 flags_pp = (flags & PCIM_EA_PP) >> PCIM_EA_PP_OFFSET; 840 flags_sp = (flags & PCIM_EA_SP) >> PCIM_EA_SP_OFFSET; 841 bei = (PCIM_EA_BEI & val) >> PCIM_EA_BEI_OFFSET; 842 843 base = dw[0] & PCIM_EA_FIELD_MASK; 844 max_offset = dw[1] | ~PCIM_EA_FIELD_MASK; 845 b = 2; 846 if (((dw[0] & PCIM_EA_IS_64) != 0) && (b < ent_size)) { 847 base |= (uint64_t)dw[b] << 32UL; 848 b++; 849 } 850 if (((dw[1] & PCIM_EA_IS_64) != 0) 851 && (b < ent_size)) { 852 max_offset |= (uint64_t)dw[b] << 32UL; 853 b++; 854 } 855 856 printf("\n\t\t [%d] %s, %s, %s, base [0x%jx], size [0x%jx]" 857 "\n\t\t\tPrimary properties [0x%x] (%s)" 858 "\n\t\t\tSecondary properties [0x%x] (%s)", 859 bei, ea_bei_to_name(bei), 860 (flags & PCIM_EA_ENABLE ? "Enabled" : "Disabled"), 861 (flags & PCIM_EA_WRITABLE ? "Writable" : "Read-only"), 862 (uintmax_t)base, (uintmax_t)(max_offset + 1), 863 flags_pp, ea_prop_to_name(flags_pp), 864 flags_sp, ea_prop_to_name(flags_sp)); 865 } 866} 867 868void 869list_caps(int fd, struct pci_conf *p, int level) 870{ 871 int express; 872 uint16_t sta; 873 uint8_t ptr, cap; 874 875 /* Are capabilities present for this device? */ 876 sta = read_config(fd, &p->pc_sel, PCIR_STATUS, 2); 877 if (!(sta & PCIM_STATUS_CAPPRESENT)) 878 return; 879 880 cap_level = level; 881 882 switch (p->pc_hdr & PCIM_HDRTYPE) { 883 case PCIM_HDRTYPE_NORMAL: 884 case PCIM_HDRTYPE_BRIDGE: 885 ptr = PCIR_CAP_PTR; 886 break; 887 case PCIM_HDRTYPE_CARDBUS: 888 ptr = PCIR_CAP_PTR_2; 889 break; 890 default: 891 errx(1, "list_caps: bad header type"); 892 } 893 894 /* Walk the capability list. */ 895 express = 0; 896 ptr = read_config(fd, &p->pc_sel, ptr, 1); 897 while (ptr != 0 && ptr != 0xff) { 898 cap = read_config(fd, &p->pc_sel, ptr + PCICAP_ID, 1); 899 printf(" cap %02x[%02x] = ", cap, ptr); 900 switch (cap) { 901 case PCIY_PMG: 902 cap_power(fd, p, ptr); 903 break; 904 case PCIY_AGP: 905 cap_agp(fd, p, ptr); 906 break; 907 case PCIY_VPD: 908 cap_vpd(fd, p, ptr); 909 break; 910 case PCIY_MSI: 911 cap_msi(fd, p, ptr); 912 break; 913 case PCIY_PCIX: 914 cap_pcix(fd, p, ptr); 915 break; 916 case PCIY_HT: 917 cap_ht(fd, p, ptr); 918 break; 919 case PCIY_VENDOR: 920 cap_vendor(fd, p, ptr); 921 break; 922 case PCIY_DEBUG: 923 cap_debug(fd, p, ptr); 924 break; 925 case PCIY_SUBVENDOR: 926 cap_subvendor(fd, p, ptr); 927 break; 928 case PCIY_SECDEV: 929 cap_secdev(fd, p, ptr); 930 break; 931 case PCIY_EXPRESS: 932 express = 1; 933 cap_express(fd, p, ptr); 934 break; 935 case PCIY_MSIX: 936 cap_msix(fd, p, ptr); 937 break; 938 case PCIY_SATA: 939 cap_sata(fd, p, ptr); 940 break; 941 case PCIY_PCIAF: 942 cap_pciaf(fd, p, ptr); 943 break; 944 case PCIY_EA: 945 cap_ea(fd, p, ptr); 946 break; 947 default: 948 printf("unknown"); 949 break; 950 } 951 printf("\n"); 952 ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1); 953 } 954 955 if (express) 956 list_ecaps(fd, p); 957} 958 959/* From <sys/systm.h>. */ 960static __inline uint32_t 961bitcount32(uint32_t x) 962{ 963 964 x = (x & 0x55555555) + ((x & 0xaaaaaaaa) >> 1); 965 x = (x & 0x33333333) + ((x & 0xcccccccc) >> 2); 966 x = (x + (x >> 4)) & 0x0f0f0f0f; 967 x = (x + (x >> 8)); 968 x = (x + (x >> 16)) & 0x000000ff; 969 return (x); 970} 971 972static void 973ecap_aer(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) 974{ 975 uint32_t sta, mask; 976 977 printf("AER %d", ver); 978 if (ver < 1) { 979 printf("\n"); 980 return; 981 } 982 sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_STATUS, 4); 983 mask = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_SEVERITY, 4); 984 printf(" %d fatal", bitcount32(sta & mask)); 985 printf(" %d non-fatal", bitcount32(sta & ~mask)); 986 sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_COR_STATUS, 4); 987 printf(" %d corrected\n", bitcount32(sta)); 988} 989 990static void 991ecap_vc(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) 992{ 993 uint32_t cap1; 994 995 printf("VC %d", ver); 996 if (ver < 1) { 997 printf("\n"); 998 return; 999 } 1000 cap1 = read_config(fd, &p->pc_sel, ptr + PCIR_VC_CAP1, 4); 1001 printf(" max VC%d", cap1 & PCIM_VC_CAP1_EXT_COUNT); 1002 if ((cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) != 0) 1003 printf(" lowpri VC0-VC%d", 1004 (cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) >> 4); 1005 printf("\n"); 1006} 1007 1008static void 1009ecap_sernum(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) 1010{ 1011 uint32_t high, low; 1012 1013 printf("Serial %d", ver); 1014 if (ver < 1) { 1015 printf("\n"); 1016 return; 1017 } 1018 low = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_LOW, 4); 1019 high = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_HIGH, 4); 1020 printf(" %08x%08x\n", high, low); 1021} 1022 1023static void 1024ecap_vendor(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) 1025{ 1026 uint32_t val, hdr; 1027 uint16_t nextptr, len; 1028 int i; 1029 1030 val = read_config(fd, &p->pc_sel, ptr, 4); 1031 nextptr = PCI_EXTCAP_NEXTPTR(val); 1032 hdr = read_config(fd, &p->pc_sel, ptr + PCIR_VSEC_HEADER, 4); 1033 len = PCIR_VSEC_LENGTH(hdr); 1034 if (len == 0) { 1035 if (nextptr == 0) 1036 nextptr = 0x1000; 1037 len = nextptr - ptr; 1038 } 1039 1040 printf("Vendor [%d] ID %04x Rev %d Length %d\n", ver, 1041 PCIR_VSEC_ID(hdr), PCIR_VSEC_REV(hdr), len); 1042 if ((ver < 1) || (cap_level <= 1)) 1043 return; 1044 for (i = 0; i < len; i += 4) { 1045 val = read_config(fd, &p->pc_sel, ptr + i, 4); 1046 if ((i % 16) == 0) 1047 printf(" "); 1048 printf("%02x %02x %02x %02x", val & 0xff, (val >> 8) & 0xff, 1049 (val >> 16) & 0xff, (val >> 24) & 0xff); 1050 if ((((i + 4) % 16) == 0 ) || ((i + 4) >= len)) 1051 printf("\n"); 1052 else 1053 printf(" "); 1054 } 1055} 1056 1057static void 1058ecap_sec_pcie(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) 1059{ 1060 uint32_t val; 1061 1062 printf("PCIe Sec %d", ver); 1063 if (ver < 1) { 1064 printf("\n"); 1065 return; 1066 } 1067 val = read_config(fd, &p->pc_sel, ptr + 8, 4); 1068 printf(" lane errors %#x\n", val); 1069} 1070 1071static const char * 1072check_enabled(int value) 1073{ 1074 1075 return (value ? "enabled" : "disabled"); 1076} 1077 1078static void 1079ecap_sriov(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) 1080{ 1081 const char *comma, *enabled; 1082 uint16_t iov_ctl, total_vfs, num_vfs, vf_offset, vf_stride, vf_did; 1083 uint32_t page_caps, page_size, page_shift, size; 1084 int i; 1085 1086 printf("SR-IOV %d ", ver); 1087 1088 iov_ctl = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_CTL, 2); 1089 printf("IOV %s, Memory Space %s, ARI %s\n", 1090 check_enabled(iov_ctl & PCIM_SRIOV_VF_EN), 1091 check_enabled(iov_ctl & PCIM_SRIOV_VF_MSE), 1092 check_enabled(iov_ctl & PCIM_SRIOV_ARI_EN)); 1093 1094 total_vfs = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_TOTAL_VFS, 2); 1095 num_vfs = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_NUM_VFS, 2); 1096 printf(" "); 1097 printf("%d VFs configured out of %d supported\n", num_vfs, total_vfs); 1098 1099 vf_offset = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_OFF, 2); 1100 vf_stride = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_STRIDE, 2); 1101 printf(" "); 1102 printf("First VF RID Offset 0x%04x, VF RID Stride 0x%04x\n", vf_offset, 1103 vf_stride); 1104 1105 vf_did = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_DID, 2); 1106 printf(" VF Device ID 0x%04x\n", vf_did); 1107 1108 page_caps = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_PAGE_CAP, 4); 1109 page_size = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_PAGE_SIZE, 4); 1110 printf(" "); 1111 printf("Page Sizes: "); 1112 comma = ""; 1113 while (page_caps != 0) { 1114 page_shift = ffs(page_caps) - 1; 1115 1116 if (page_caps & page_size) 1117 enabled = " (enabled)"; 1118 else 1119 enabled = ""; 1120 1121 size = (1 << (page_shift + PCI_SRIOV_BASE_PAGE_SHIFT)); 1122 printf("%s%d%s", comma, size, enabled); 1123 comma = ", "; 1124 1125 page_caps &= ~(1 << page_shift); 1126 } 1127 printf("\n"); 1128 1129 for (i = 0; i <= PCIR_MAX_BAR_0; i++) 1130 print_bar(fd, p, "iov bar ", ptr + PCIR_SRIOV_BAR(i)); 1131} 1132 1133static const char * 1134check_avail_and_state(u_int cap, u_int capbit, u_int ctl, u_int ctlbit) 1135{ 1136 1137 if (cap & capbit) 1138 return (ctl & ctlbit ? "enabled" : "disabled"); 1139 else 1140 return "unavailable"; 1141} 1142 1143static void 1144ecap_acs(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) 1145{ 1146 uint16_t acs_cap, acs_ctl; 1147 static const char *const acc[] = { "access enabled", "blocking enabled", 1148 "redirect enabled", "reserved" }; 1149 1150 printf("ACS %d ", ver); 1151 if (ver != 1) { 1152 printf("\n"); 1153 return; 1154 } 1155 1156#define CHECK_AVAIL_STATE(bit) \ 1157 check_avail_and_state(acs_cap, bit, acs_ctl, bit##_ENABLE) 1158 1159 acs_cap = read_config(fd, &p->pc_sel, ptr + PCIR_ACS_CAP, 2); 1160 acs_ctl = read_config(fd, &p->pc_sel, ptr + PCIR_ACS_CTL, 2); 1161 printf("Source Validation %s, Translation Blocking %s\n", 1162 CHECK_AVAIL_STATE(PCIM_ACS_SOURCE_VALIDATION), 1163 CHECK_AVAIL_STATE(PCIM_ACS_TRANSLATION_BLOCKING)); 1164 1165 printf(" "); 1166 printf("P2P Req Redirect %s, P2P Cmpl Redirect %s\n", 1167 CHECK_AVAIL_STATE(PCIM_ACS_P2P_REQ_REDIRECT), 1168 CHECK_AVAIL_STATE(PCIM_ACS_P2P_CMP_REDIRECT)); 1169 printf(" "); 1170 printf("P2P Upstream Forwarding %s, P2P Egress Control %s\n", 1171 CHECK_AVAIL_STATE(PCIM_ACS_P2P_UPSTREAM_FORWARDING), 1172 CHECK_AVAIL_STATE(PCIM_ACS_P2P_EGRESS_CTL)); 1173 printf(" "); 1174 printf("P2P Direct Translated %s, Enhanced Capability %s\n", 1175 CHECK_AVAIL_STATE(PCIM_ACS_P2P_DIRECT_TRANSLATED), 1176 acs_ctl & PCIM_ACS_ENHANCED_CAP ? "available" : "unavailable"); 1177#undef CHECK_AVAIL_STATE 1178 1179 if (acs_cap & PCIM_ACS_ENHANCED_CAP) { 1180 printf(" "); 1181 printf("I/O Req Blocking %s, Unclaimed Req Redirect Control %s\n", 1182 check_enabled(acs_ctl & PCIM_ACS_IO_REQ_BLOCKING_ENABLE), 1183 check_enabled(acs_ctl & PCIM_ACS_UNCLAIMED_REQ_REDIRECT_CTL)); 1184 printf(" "); 1185 printf("DSP BAR %s, USP BAR %s\n", 1186 acc[(acs_cap & PCIM_ACS_DSP_MEM_TGT_ACC_CTL) >> 8], 1187 acc[(acs_cap & PCIM_ACS_USP_MEM_TGT_ACC_CTL) >> 10]); 1188 } 1189} 1190 1191static struct { 1192 uint16_t id; 1193 const char *name; 1194} ecap_names[] = { 1195 { PCIZ_AER, "AER" }, 1196 { PCIZ_VC, "Virtual Channel" }, 1197 { PCIZ_SERNUM, "Device Serial Number" }, 1198 { PCIZ_PWRBDGT, "Power Budgeting" }, 1199 { PCIZ_RCLINK_DCL, "Root Complex Link Declaration" }, 1200 { PCIZ_RCLINK_CTL, "Root Complex Internal Link Control" }, 1201 { PCIZ_RCEC_ASSOC, "Root Complex Event Collector ASsociation" }, 1202 { PCIZ_MFVC, "MFVC" }, 1203 { PCIZ_VC2, "Virtual Channel 2" }, 1204 { PCIZ_RCRB, "RCRB" }, 1205 { PCIZ_CAC, "Configuration Access Correction" }, 1206 { PCIZ_ACS, "ACS" }, 1207 { PCIZ_ARI, "ARI" }, 1208 { PCIZ_ATS, "ATS" }, 1209 { PCIZ_SRIOV, "SRIOV" }, 1210 { PCIZ_MRIOV, "MRIOV" }, 1211 { PCIZ_MULTICAST, "Multicast" }, 1212 { PCIZ_PAGE_REQ, "Page Page Request" }, 1213 { PCIZ_AMD, "AMD proprietary "}, 1214 { PCIZ_RESIZE_BAR, "Resizable BAR" }, 1215 { PCIZ_DPA, "DPA" }, 1216 { PCIZ_TPH_REQ, "TPH Requester" }, 1217 { PCIZ_LTR, "LTR" }, 1218 { PCIZ_SEC_PCIE, "Secondary PCI Express" }, 1219 { PCIZ_PMUX, "Protocol Multiplexing" }, 1220 { PCIZ_PASID, "Process Address Space ID" }, 1221 { PCIZ_LN_REQ, "LN Requester" }, 1222 { PCIZ_DPC, "Downstream Port Containment" }, 1223 { PCIZ_L1PM, "L1 PM Substates" }, 1224 { PCIZ_PTM, "Precision Time Measurement" }, 1225 { PCIZ_M_PCIE, "PCIe over M-PHY" }, 1226 { PCIZ_FRS, "FRS Queuing" }, 1227 { PCIZ_RTR, "Readiness Time Reporting" }, 1228 { PCIZ_DVSEC, "Designated Vendor-Specific" }, 1229 { PCIZ_VF_REBAR, "VF Resizable BAR" }, 1230 { PCIZ_DLNK, "Data Link Feature" }, 1231 { PCIZ_16GT, "Physical Layer 16.0 GT/s" }, 1232 { PCIZ_LMR, "Lane Margining at Receiver" }, 1233 { PCIZ_HIER_ID, "Hierarchy ID" }, 1234 { PCIZ_NPEM, "Native PCIe Enclosure Management" }, 1235 { PCIZ_PL32, "Physical Layer 32.0 GT/s" }, 1236 { PCIZ_AP, "Alternate Protocol" }, 1237 { PCIZ_SFI, "System Firmware Intermediary" }, 1238 { 0, NULL } 1239}; 1240 1241static void 1242list_ecaps(int fd, struct pci_conf *p) 1243{ 1244 const char *name; 1245 uint32_t ecap; 1246 uint16_t ptr; 1247 int i; 1248 1249 ptr = PCIR_EXTCAP; 1250 ecap = read_config(fd, &p->pc_sel, ptr, 4); 1251 if (ecap == 0xffffffff || ecap == 0) 1252 return; 1253 for (;;) { 1254 printf(" ecap %04x[%03x] = ", PCI_EXTCAP_ID(ecap), ptr); 1255 switch (PCI_EXTCAP_ID(ecap)) { 1256 case PCIZ_AER: 1257 ecap_aer(fd, p, ptr, PCI_EXTCAP_VER(ecap)); 1258 break; 1259 case PCIZ_VC: 1260 ecap_vc(fd, p, ptr, PCI_EXTCAP_VER(ecap)); 1261 break; 1262 case PCIZ_SERNUM: 1263 ecap_sernum(fd, p, ptr, PCI_EXTCAP_VER(ecap)); 1264 break; 1265 case PCIZ_VENDOR: 1266 ecap_vendor(fd, p, ptr, PCI_EXTCAP_VER(ecap)); 1267 break; 1268 case PCIZ_SEC_PCIE: 1269 ecap_sec_pcie(fd, p, ptr, PCI_EXTCAP_VER(ecap)); 1270 break; 1271 case PCIZ_SRIOV: 1272 ecap_sriov(fd, p, ptr, PCI_EXTCAP_VER(ecap)); 1273 break; 1274 case PCIZ_ACS: 1275 ecap_acs(fd, p, ptr, PCI_EXTCAP_VER(ecap)); 1276 break; 1277 default: 1278 name = "unknown"; 1279 for (i = 0; ecap_names[i].name != NULL; i++) 1280 if (ecap_names[i].id == PCI_EXTCAP_ID(ecap)) { 1281 name = ecap_names[i].name; 1282 break; 1283 } 1284 printf("%s %d\n", name, PCI_EXTCAP_VER(ecap)); 1285 break; 1286 } 1287 ptr = PCI_EXTCAP_NEXTPTR(ecap); 1288 if (ptr == 0) 1289 break; 1290 ecap = read_config(fd, &p->pc_sel, ptr, 4); 1291 } 1292} 1293 1294/* Find offset of a specific capability. Returns 0 on failure. */ 1295uint8_t 1296pci_find_cap(int fd, struct pci_conf *p, uint8_t id) 1297{ 1298 uint16_t sta; 1299 uint8_t ptr, cap; 1300 1301 /* Are capabilities present for this device? */ 1302 sta = read_config(fd, &p->pc_sel, PCIR_STATUS, 2); 1303 if (!(sta & PCIM_STATUS_CAPPRESENT)) 1304 return (0); 1305 1306 switch (p->pc_hdr & PCIM_HDRTYPE) { 1307 case PCIM_HDRTYPE_NORMAL: 1308 case PCIM_HDRTYPE_BRIDGE: 1309 ptr = PCIR_CAP_PTR; 1310 break; 1311 case PCIM_HDRTYPE_CARDBUS: 1312 ptr = PCIR_CAP_PTR_2; 1313 break; 1314 default: 1315 return (0); 1316 } 1317 1318 ptr = read_config(fd, &p->pc_sel, ptr, 1); 1319 while (ptr != 0 && ptr != 0xff) { 1320 cap = read_config(fd, &p->pc_sel, ptr + PCICAP_ID, 1); 1321 if (cap == id) 1322 return (ptr); 1323 ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1); 1324 } 1325 return (0); 1326} 1327 1328/* Find offset of a specific extended capability. Returns 0 on failure. */ 1329uint16_t 1330pcie_find_cap(int fd, struct pci_conf *p, uint16_t id) 1331{ 1332 uint32_t ecap; 1333 uint16_t ptr; 1334 1335 ptr = PCIR_EXTCAP; 1336 ecap = read_config(fd, &p->pc_sel, ptr, 4); 1337 if (ecap == 0xffffffff || ecap == 0) 1338 return (0); 1339 for (;;) { 1340 if (PCI_EXTCAP_ID(ecap) == id) 1341 return (ptr); 1342 ptr = PCI_EXTCAP_NEXTPTR(ecap); 1343 if (ptr == 0) 1344 break; 1345 ecap = read_config(fd, &p->pc_sel, ptr, 4); 1346 } 1347 return (0); 1348} 1349