2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 2007 Yahoo!, Inc.
6 * Written by: John Baldwin <jhb@FreeBSD.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
34 static const char rcsid[] =
38 #include <sys/types.h>
43 #include <sys/agpio.h>
44 #include <sys/pciio.h>
46 #include <dev/agp/agpreg.h>
47 #include <dev/pci/pcireg.h>
51 static void list_ecaps(int fd, struct pci_conf *p);
54 cap_power(int fd, struct pci_conf *p, uint8_t ptr)
58 cap = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_CAP, 2);
59 status = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_STATUS, 2);
60 printf("powerspec %d supports D0%s%s D3 current D%d",
62 cap & PCIM_PCAP_D1SUPP ? " D1" : "",
63 cap & PCIM_PCAP_D2SUPP ? " D2" : "",
64 status & PCIM_PSTAT_DMASK);
68 cap_agp(int fd, struct pci_conf *p, uint8_t ptr)
70 uint32_t status, command;
72 status = read_config(fd, &p->pc_sel, ptr + AGP_STATUS, 4);
73 command = read_config(fd, &p->pc_sel, ptr + AGP_CAPID, 4);
75 if (AGP_MODE_GET_MODE_3(status)) {
77 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_8x)
79 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_4x)
82 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_4x)
84 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_2x)
86 if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_1x)
89 if (AGP_MODE_GET_SBA(status))
91 if (AGP_MODE_GET_AGP(command)) {
92 printf("enabled at ");
93 if (AGP_MODE_GET_MODE_3(command)) {
95 switch (AGP_MODE_GET_RATE(command)) {
96 case AGP_MODE_V3_RATE_8x:
99 case AGP_MODE_V3_RATE_4x:
104 switch (AGP_MODE_GET_RATE(command)) {
105 case AGP_MODE_V2_RATE_4x:
108 case AGP_MODE_V2_RATE_2x:
111 case AGP_MODE_V2_RATE_1x:
115 if (AGP_MODE_GET_SBA(command))
122 cap_vpd(int fd __unused, struct pci_conf *p __unused, uint8_t ptr __unused)
129 cap_msi(int fd, struct pci_conf *p, uint8_t ptr)
134 ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSI_CTRL, 2);
135 msgnum = 1 << ((ctrl & PCIM_MSICTRL_MMC_MASK) >> 1);
136 printf("MSI supports %d message%s%s%s ", msgnum,
137 (msgnum == 1) ? "" : "s",
138 (ctrl & PCIM_MSICTRL_64BIT) ? ", 64 bit" : "",
139 (ctrl & PCIM_MSICTRL_VECTOR) ? ", vector masks" : "");
140 if (ctrl & PCIM_MSICTRL_MSI_ENABLE) {
141 msgnum = 1 << ((ctrl & PCIM_MSICTRL_MME_MASK) >> 4);
142 printf("enabled with %d message%s", msgnum,
143 (msgnum == 1) ? "" : "s");
148 cap_pcix(int fd, struct pci_conf *p, uint8_t ptr)
151 int comma, max_splits, max_burst_read;
153 status = read_config(fd, &p->pc_sel, ptr + PCIXR_STATUS, 4);
155 if (status & PCIXM_STATUS_64BIT)
157 if ((p->pc_hdr & PCIM_HDRTYPE) == 1)
159 if ((p->pc_hdr & PCIM_HDRTYPE) != 1 || (status & (PCIXM_STATUS_133CAP |
160 PCIXM_STATUS_266CAP | PCIXM_STATUS_533CAP)) != 0)
163 if (status & PCIXM_STATUS_133CAP) {
167 if (status & PCIXM_STATUS_266CAP) {
168 printf("%s 266MHz", comma ? "," : "");
171 if (status & PCIXM_STATUS_533CAP) {
172 printf("%s 533MHz", comma ? "," : "");
175 if ((p->pc_hdr & PCIM_HDRTYPE) == 1)
178 switch (status & PCIXM_STATUS_MAX_READ) {
179 case PCIXM_STATUS_MAX_READ_512:
180 max_burst_read = 512;
182 case PCIXM_STATUS_MAX_READ_1024:
183 max_burst_read = 1024;
185 case PCIXM_STATUS_MAX_READ_2048:
186 max_burst_read = 2048;
188 case PCIXM_STATUS_MAX_READ_4096:
189 max_burst_read = 4096;
193 switch (status & PCIXM_STATUS_MAX_SPLITS) {
194 case PCIXM_STATUS_MAX_SPLITS_1:
197 case PCIXM_STATUS_MAX_SPLITS_2:
200 case PCIXM_STATUS_MAX_SPLITS_3:
203 case PCIXM_STATUS_MAX_SPLITS_4:
206 case PCIXM_STATUS_MAX_SPLITS_8:
209 case PCIXM_STATUS_MAX_SPLITS_12:
212 case PCIXM_STATUS_MAX_SPLITS_16:
215 case PCIXM_STATUS_MAX_SPLITS_32:
219 printf("%s %d burst read, %d split transaction%s", comma ? "," : "",
220 max_burst_read, max_splits, max_splits == 1 ? "" : "s");
224 cap_ht(int fd, struct pci_conf *p, uint8_t ptr)
229 command = read_config(fd, &p->pc_sel, ptr + PCIR_HT_COMMAND, 2);
231 if ((command & 0xe000) == PCIM_HTCAP_SLAVE)
233 else if ((command & 0xe000) == PCIM_HTCAP_HOST)
236 switch (command & PCIM_HTCMD_CAP_MASK) {
237 case PCIM_HTCAP_SWITCH:
240 case PCIM_HTCAP_INTERRUPT:
243 case PCIM_HTCAP_REVISION_ID:
244 printf("revision ID");
246 case PCIM_HTCAP_UNITID_CLUMPING:
247 printf("unit ID clumping");
249 case PCIM_HTCAP_EXT_CONFIG_SPACE:
250 printf("extended config space");
252 case PCIM_HTCAP_ADDRESS_MAPPING:
253 printf("address mapping");
255 case PCIM_HTCAP_MSI_MAPPING:
256 printf("MSI %saddress window %s at 0x",
257 command & PCIM_HTCMD_MSI_FIXED ? "fixed " : "",
258 command & PCIM_HTCMD_MSI_ENABLE ? "enabled" :
260 if (command & PCIM_HTCMD_MSI_FIXED)
263 reg = read_config(fd, &p->pc_sel,
264 ptr + PCIR_HTMSI_ADDRESS_HI, 4);
267 reg = read_config(fd, &p->pc_sel,
268 ptr + PCIR_HTMSI_ADDRESS_LO, 4);
272 case PCIM_HTCAP_DIRECT_ROUTE:
273 printf("direct route");
275 case PCIM_HTCAP_VCSET:
278 case PCIM_HTCAP_RETRY_MODE:
279 printf("retry mode");
281 case PCIM_HTCAP_X86_ENCODING:
282 printf("X86 encoding");
284 case PCIM_HTCAP_GEN3:
288 printf("function-level extension");
291 printf("power management");
293 case PCIM_HTCAP_HIGH_NODE_COUNT:
294 printf("high node count");
297 printf("unknown %02x", command);
303 cap_vendor(int fd, struct pci_conf *p, uint8_t ptr)
307 length = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_LENGTH, 1);
308 printf("vendor (length %d)", length);
309 if (p->pc_vendor == 0x8086) {
313 version = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_DATA,
315 printf(" Intel cap %d version %d", version >> 4, version & 0xf);
316 if (version >> 4 == 1 && length == 12) {
317 /* Feature Detection */
322 fvec = read_config(fd, &p->pc_sel, ptr +
323 PCIR_VENDOR_DATA + 5, 4);
324 printf("\n\t\t features:");
325 if (fvec & (1 << 0)) {
329 fvec = read_config(fd, &p->pc_sel, ptr +
330 PCIR_VENDOR_DATA + 1, 4);
331 if (fvec & (1 << 21)) {
332 printf("%s Quick Resume", comma ? "," : "");
335 if (fvec & (1 << 18)) {
336 printf("%s SATA RAID-5", comma ? "," : "");
339 if (fvec & (1 << 9)) {
340 printf("%s Mobile", comma ? "," : "");
343 if (fvec & (1 << 7)) {
344 printf("%s 6 PCI-e x1 slots", comma ? "," : "");
347 printf("%s 4 PCI-e x1 slots", comma ? "," : "");
350 if (fvec & (1 << 5)) {
351 printf("%s SATA RAID-0/1/10", comma ? "," : "");
355 printf(", SATA AHCI");
361 cap_debug(int fd, struct pci_conf *p, uint8_t ptr)
365 debug_port = read_config(fd, &p->pc_sel, ptr + PCIR_DEBUG_PORT, 2);
366 printf("EHCI Debug Port at offset 0x%x in map 0x%x", debug_port &
367 PCIM_DEBUG_PORT_OFFSET, PCIR_BAR(debug_port >> 13));
371 cap_subvendor(int fd, struct pci_conf *p, uint8_t ptr)
375 id = read_config(fd, &p->pc_sel, ptr + PCIR_SUBVENDCAP_ID, 4);
376 printf("PCI Bridge card=0x%08x", id);
379 #define MAX_PAYLOAD(field) (128 << (field))
382 link_speed_string(uint8_t speed)
398 aspm_string(uint8_t aspm)
414 slot_power(uint32_t cap)
418 mwatts = (cap & PCIEM_SLOT_CAP_SPLV) >> 7;
419 switch (cap & PCIEM_SLOT_CAP_SPLS) {
436 cap_express(int fd, struct pci_conf *p, uint8_t ptr)
439 uint16_t ctl, flags, sta;
440 unsigned int version;
442 flags = read_config(fd, &p->pc_sel, ptr + PCIER_FLAGS, 2);
443 version = flags & PCIEM_FLAGS_VERSION;
444 printf("PCI-Express %u ", version);
445 switch (flags & PCIEM_FLAGS_TYPE) {
446 case PCIEM_TYPE_ENDPOINT:
449 case PCIEM_TYPE_LEGACY_ENDPOINT:
450 printf("legacy endpoint");
452 case PCIEM_TYPE_ROOT_PORT:
455 case PCIEM_TYPE_UPSTREAM_PORT:
456 printf("upstream port");
458 case PCIEM_TYPE_DOWNSTREAM_PORT:
459 printf("downstream port");
461 case PCIEM_TYPE_PCI_BRIDGE:
462 printf("PCI bridge");
464 case PCIEM_TYPE_PCIE_BRIDGE:
465 printf("PCI to PCIe bridge");
467 case PCIEM_TYPE_ROOT_INT_EP:
468 printf("root endpoint");
470 case PCIEM_TYPE_ROOT_EC:
471 printf("event collector");
474 printf("type %d", (flags & PCIEM_FLAGS_TYPE) >> 4);
477 if (flags & PCIEM_FLAGS_IRQ)
478 printf(" MSI %d", (flags & PCIEM_FLAGS_IRQ) >> 9);
479 cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP, 4);
480 ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL, 2);
481 printf(" max data %d(%d)",
482 MAX_PAYLOAD((ctl & PCIEM_CTL_MAX_PAYLOAD) >> 5),
483 MAX_PAYLOAD(cap & PCIEM_CAP_MAX_PAYLOAD));
484 if ((cap & PCIEM_CAP_FLR) != 0)
486 if (ctl & PCIEM_CTL_RELAXED_ORD_ENABLE)
488 if (ctl & PCIEM_CTL_NOSNOOP_ENABLE)
491 cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP2, 4);
492 if ((cap & PCIEM_CAP2_ARI) != 0) {
493 ctl = read_config(fd, &p->pc_sel,
494 ptr + PCIER_DEVICE_CTL2, 4);
496 (ctl & PCIEM_CTL2_ARI) ? "enabled" : "disabled");
499 cap = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CAP, 4);
500 sta = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_STA, 2);
501 if (cap == 0 && sta == 0)
504 printf(" link x%d(x%d)", (sta & PCIEM_LINK_STA_WIDTH) >> 4,
505 (cap & PCIEM_LINK_CAP_MAX_WIDTH) >> 4);
506 if ((cap & PCIEM_LINK_CAP_MAX_WIDTH) != 0) {
507 printf(" speed %s(%s)", (sta & PCIEM_LINK_STA_WIDTH) == 0 ?
508 "0.0" : link_speed_string(sta & PCIEM_LINK_STA_SPEED),
509 link_speed_string(cap & PCIEM_LINK_CAP_MAX_SPEED));
511 if ((cap & PCIEM_LINK_CAP_ASPM) != 0) {
512 ctl = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CTL, 2);
513 printf(" ASPM %s(%s)", aspm_string(ctl & PCIEM_LINK_CTL_ASPMC),
514 aspm_string((cap & PCIEM_LINK_CAP_ASPM) >> 10));
516 if (!(flags & PCIEM_FLAGS_SLOT))
518 cap = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CAP, 4);
519 sta = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_STA, 2);
520 ctl = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CTL, 2);
522 printf(" slot %d", (cap & PCIEM_SLOT_CAP_PSN) >> 19);
523 printf(" power limit %d mW", slot_power(cap));
524 if (cap & PCIEM_SLOT_CAP_HPC)
525 printf(" HotPlug(%s)", sta & PCIEM_SLOT_STA_PDS ? "present" :
527 if (cap & PCIEM_SLOT_CAP_HPS)
529 if (cap & PCIEM_SLOT_CAP_APB)
530 printf(" Attn Button");
531 if (cap & PCIEM_SLOT_CAP_PCP)
532 printf(" PC(%s)", ctl & PCIEM_SLOT_CTL_PCC ? "off" : "on");
533 if (cap & PCIEM_SLOT_CAP_MRLSP)
534 printf(" MRL(%s)", sta & PCIEM_SLOT_STA_MRLSS ? "open" :
536 if (cap & PCIEM_SLOT_CAP_EIP)
537 printf(" EI(%s)", sta & PCIEM_SLOT_STA_EIS ? "engaged" :
542 cap_msix(int fd, struct pci_conf *p, uint8_t ptr)
544 uint32_t pba_offset, table_offset, val;
545 int msgnum, pba_bar, table_bar;
548 ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_CTRL, 2);
549 msgnum = (ctrl & PCIM_MSIXCTRL_TABLE_SIZE) + 1;
551 val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_TABLE, 4);
552 table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
553 table_offset = val & ~PCIM_MSIX_BIR_MASK;
555 val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_PBA, 4);
556 pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK);
557 pba_offset = val & ~PCIM_MSIX_BIR_MASK;
559 printf("MSI-X supports %d message%s%s\n", msgnum,
560 (msgnum == 1) ? "" : "s",
561 (ctrl & PCIM_MSIXCTRL_MSIX_ENABLE) ? ", enabled" : "");
564 printf("Table in map 0x%x[0x%x], PBA in map 0x%x[0x%x]",
565 table_bar, table_offset, pba_bar, pba_offset);
569 cap_sata(int fd __unused, struct pci_conf *p __unused, uint8_t ptr __unused)
572 printf("SATA Index-Data Pair");
576 cap_pciaf(int fd, struct pci_conf *p, uint8_t ptr)
580 cap = read_config(fd, &p->pc_sel, ptr + PCIR_PCIAF_CAP, 1);
581 printf("PCI Advanced Features:%s%s",
582 cap & PCIM_PCIAFCAP_FLR ? " FLR" : "",
583 cap & PCIM_PCIAFCAP_TP ? " TP" : "");
587 ea_bei_to_name(int bei)
589 static const char *barstr[] = {
590 "BAR0", "BAR1", "BAR2", "BAR3", "BAR4", "BAR5"
592 static const char *vfbarstr[] = {
593 "VFBAR0", "VFBAR1", "VFBAR2", "VFBAR3", "VFBAR4", "VFBAR5"
596 if ((bei >= PCIM_EA_BEI_BAR_0) && (bei <= PCIM_EA_BEI_BAR_5))
597 return (barstr[bei - PCIM_EA_BEI_BAR_0]);
598 if ((bei >= PCIM_EA_BEI_VF_BAR_0) && (bei <= PCIM_EA_BEI_VF_BAR_5))
599 return (vfbarstr[bei - PCIM_EA_BEI_VF_BAR_0]);
602 case PCIM_EA_BEI_BRIDGE:
604 case PCIM_EA_BEI_ENI:
606 case PCIM_EA_BEI_ROM:
608 case PCIM_EA_BEI_RESERVED:
615 ea_prop_to_name(uint8_t prop)
620 return "Non-Prefetchable Memory";
621 case PCIM_EA_P_MEM_PREFETCH:
622 return "Prefetchable Memory";
625 case PCIM_EA_P_VF_MEM_PREFETCH:
626 return "VF Prefetchable Memory";
627 case PCIM_EA_P_VF_MEM:
628 return "VF Non-Prefetchable Memory";
629 case PCIM_EA_P_BRIDGE_MEM:
630 return "Bridge Non-Prefetchable Memory";
631 case PCIM_EA_P_BRIDGE_MEM_PREFETCH:
632 return "Bridge Prefetchable Memory";
633 case PCIM_EA_P_BRIDGE_IO:
634 return "Bridge I/O Space";
635 case PCIM_EA_P_MEM_RESERVED:
636 return "Reserved Memory";
637 case PCIM_EA_P_IO_RESERVED:
638 return "Reserved I/O Space";
639 case PCIM_EA_P_UNAVAILABLE:
640 return "Unavailable";
647 cap_ea(int fd, struct pci_conf *p, uint8_t ptr)
655 uint32_t flags, flags_pp, flags_sp;
656 uint64_t base, max_offset;
657 uint8_t fixed_sub_bus_nr, fixed_sec_bus_nr;
659 /* Determine the number of entries */
660 num_ent = read_config(fd, &p->pc_sel, ptr + PCIR_EA_NUM_ENT, 2);
661 num_ent &= PCIM_EA_NUM_ENT_MASK;
663 printf("PCI Enhanced Allocation (%d entries)", num_ent);
665 /* Find the first entry to care of */
666 ptr += PCIR_EA_FIRST_ENT;
668 /* Print BUS numbers for bridges */
669 if ((p->pc_hdr & PCIM_HDRTYPE) == PCIM_HDRTYPE_BRIDGE) {
670 val = read_config(fd, &p->pc_sel, ptr, 4);
672 fixed_sec_bus_nr = PCIM_EA_SEC_NR(val);
673 fixed_sub_bus_nr = PCIM_EA_SUB_NR(val);
675 printf("\n\t\t BRIDGE, sec bus [%d], sub bus [%d]",
676 fixed_sec_bus_nr, fixed_sub_bus_nr);
680 for (a = 0; a < num_ent; a++) {
681 /* Read a number of dwords in the entry */
682 val = read_config(fd, &p->pc_sel, ptr, 4);
684 ent_size = (val & PCIM_EA_ES);
686 for (b = 0; b < ent_size; b++) {
687 dw[b] = read_config(fd, &p->pc_sel, ptr, 4);
692 flags_pp = (flags & PCIM_EA_PP) >> PCIM_EA_PP_OFFSET;
693 flags_sp = (flags & PCIM_EA_SP) >> PCIM_EA_SP_OFFSET;
694 bei = (PCIM_EA_BEI & val) >> PCIM_EA_BEI_OFFSET;
696 base = dw[0] & PCIM_EA_FIELD_MASK;
697 max_offset = dw[1] | ~PCIM_EA_FIELD_MASK;
699 if (((dw[0] & PCIM_EA_IS_64) != 0) && (b < ent_size)) {
700 base |= (uint64_t)dw[b] << 32UL;
703 if (((dw[1] & PCIM_EA_IS_64) != 0)
705 max_offset |= (uint64_t)dw[b] << 32UL;
709 printf("\n\t\t [%d] %s, %s, %s, base [0x%jx], size [0x%jx]"
710 "\n\t\t\tPrimary properties [0x%x] (%s)"
711 "\n\t\t\tSecondary properties [0x%x] (%s)",
712 bei, ea_bei_to_name(bei),
713 (flags & PCIM_EA_ENABLE ? "Enabled" : "Disabled"),
714 (flags & PCIM_EA_WRITABLE ? "Writable" : "Read-only"),
715 (uintmax_t)base, (uintmax_t)(max_offset + 1),
716 flags_pp, ea_prop_to_name(flags_pp),
717 flags_sp, ea_prop_to_name(flags_sp));
722 list_caps(int fd, struct pci_conf *p)
728 /* Are capabilities present for this device? */
729 sta = read_config(fd, &p->pc_sel, PCIR_STATUS, 2);
730 if (!(sta & PCIM_STATUS_CAPPRESENT))
733 switch (p->pc_hdr & PCIM_HDRTYPE) {
734 case PCIM_HDRTYPE_NORMAL:
735 case PCIM_HDRTYPE_BRIDGE:
738 case PCIM_HDRTYPE_CARDBUS:
739 ptr = PCIR_CAP_PTR_2;
742 errx(1, "list_caps: bad header type");
745 /* Walk the capability list. */
747 ptr = read_config(fd, &p->pc_sel, ptr, 1);
748 while (ptr != 0 && ptr != 0xff) {
749 cap = read_config(fd, &p->pc_sel, ptr + PCICAP_ID, 1);
750 printf(" cap %02x[%02x] = ", cap, ptr);
753 cap_power(fd, p, ptr);
765 cap_pcix(fd, p, ptr);
771 cap_vendor(fd, p, ptr);
774 cap_debug(fd, p, ptr);
777 cap_subvendor(fd, p, ptr);
781 cap_express(fd, p, ptr);
784 cap_msix(fd, p, ptr);
787 cap_sata(fd, p, ptr);
790 cap_pciaf(fd, p, ptr);
800 ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1);
807 /* From <sys/systm.h>. */
808 static __inline uint32_t
809 bitcount32(uint32_t x)
812 x = (x & 0x55555555) + ((x & 0xaaaaaaaa) >> 1);
813 x = (x & 0x33333333) + ((x & 0xcccccccc) >> 2);
814 x = (x + (x >> 4)) & 0x0f0f0f0f;
816 x = (x + (x >> 16)) & 0x000000ff;
821 ecap_aer(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
825 printf("AER %d", ver);
828 sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_STATUS, 4);
829 mask = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_SEVERITY, 4);
830 printf(" %d fatal", bitcount32(sta & mask));
831 printf(" %d non-fatal", bitcount32(sta & ~mask));
832 sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_COR_STATUS, 4);
833 printf(" %d corrected\n", bitcount32(sta));
837 ecap_vc(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
841 printf("VC %d", ver);
844 cap1 = read_config(fd, &p->pc_sel, ptr + PCIR_VC_CAP1, 4);
845 printf(" max VC%d", cap1 & PCIM_VC_CAP1_EXT_COUNT);
846 if ((cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) != 0)
847 printf(" lowpri VC0-VC%d",
848 (cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) >> 4);
853 ecap_sernum(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
857 printf("Serial %d", ver);
860 low = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_LOW, 4);
861 high = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_HIGH, 4);
862 printf(" %08x%08x\n", high, low);
866 ecap_vendor(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
870 printf("Vendor %d", ver);
873 val = read_config(fd, &p->pc_sel, ptr + 4, 4);
874 printf(" ID %d\n", val & 0xffff);
878 ecap_sec_pcie(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
882 printf("PCIe Sec %d", ver);
885 val = read_config(fd, &p->pc_sel, ptr + 8, 4);
886 printf(" lane errors %#x\n", val);
890 check_enabled(int value)
893 return (value ? "enabled" : "disabled");
897 ecap_sriov(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
899 const char *comma, *enabled;
900 uint16_t iov_ctl, total_vfs, num_vfs, vf_offset, vf_stride, vf_did;
901 uint32_t page_caps, page_size, page_shift, size;
904 printf("SR-IOV %d ", ver);
906 iov_ctl = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_CTL, 2);
907 printf("IOV %s, Memory Space %s, ARI %s\n",
908 check_enabled(iov_ctl & PCIM_SRIOV_VF_EN),
909 check_enabled(iov_ctl & PCIM_SRIOV_VF_MSE),
910 check_enabled(iov_ctl & PCIM_SRIOV_ARI_EN));
912 total_vfs = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_TOTAL_VFS, 2);
913 num_vfs = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_NUM_VFS, 2);
915 printf("%d VFs configured out of %d supported\n", num_vfs, total_vfs);
917 vf_offset = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_OFF, 2);
918 vf_stride = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_STRIDE, 2);
920 printf("First VF RID Offset 0x%04x, VF RID Stride 0x%04x\n", vf_offset,
923 vf_did = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_DID, 2);
924 printf(" VF Device ID 0x%04x\n", vf_did);
926 page_caps = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_PAGE_CAP, 4);
927 page_size = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_PAGE_SIZE, 4);
929 printf("Page Sizes: ");
931 while (page_caps != 0) {
932 page_shift = ffs(page_caps) - 1;
934 if (page_caps & page_size)
935 enabled = " (enabled)";
939 size = (1 << (page_shift + PCI_SRIOV_BASE_PAGE_SHIFT));
940 printf("%s%d%s", comma, size, enabled);
943 page_caps &= ~(1 << page_shift);
947 for (i = 0; i <= PCIR_MAX_BAR_0; i++)
948 print_bar(fd, p, "iov bar ", ptr + PCIR_SRIOV_BAR(i));
955 { PCIZ_PWRBDGT, "Power Budgeting" },
956 { PCIZ_RCLINK_DCL, "Root Complex Link Declaration" },
957 { PCIZ_RCLINK_CTL, "Root Complex Internal Link Control" },
958 { PCIZ_RCEC_ASSOC, "Root Complex Event Collector ASsociation" },
959 { PCIZ_MFVC, "MFVC" },
960 { PCIZ_RCRB, "RCRB" },
964 { PCIZ_MULTICAST, "Multicast" },
965 { PCIZ_RESIZE_BAR, "Resizable BAR" },
967 { PCIZ_TPH_REQ, "TPH Requester" },
973 list_ecaps(int fd, struct pci_conf *p)
981 ecap = read_config(fd, &p->pc_sel, ptr, 4);
982 if (ecap == 0xffffffff || ecap == 0)
985 printf(" ecap %04x[%03x] = ", PCI_EXTCAP_ID(ecap), ptr);
986 switch (PCI_EXTCAP_ID(ecap)) {
988 ecap_aer(fd, p, ptr, PCI_EXTCAP_VER(ecap));
991 ecap_vc(fd, p, ptr, PCI_EXTCAP_VER(ecap));
994 ecap_sernum(fd, p, ptr, PCI_EXTCAP_VER(ecap));
997 ecap_vendor(fd, p, ptr, PCI_EXTCAP_VER(ecap));
1000 ecap_sec_pcie(fd, p, ptr, PCI_EXTCAP_VER(ecap));
1003 ecap_sriov(fd, p, ptr, PCI_EXTCAP_VER(ecap));
1007 for (i = 0; ecap_names[i].name != NULL; i++)
1008 if (ecap_names[i].id == PCI_EXTCAP_ID(ecap)) {
1009 name = ecap_names[i].name;
1012 printf("%s %d\n", name, PCI_EXTCAP_VER(ecap));
1015 ptr = PCI_EXTCAP_NEXTPTR(ecap);
1018 ecap = read_config(fd, &p->pc_sel, ptr, 4);
1022 /* Find offset of a specific capability. Returns 0 on failure. */
1024 pci_find_cap(int fd, struct pci_conf *p, uint8_t id)
1029 /* Are capabilities present for this device? */
1030 sta = read_config(fd, &p->pc_sel, PCIR_STATUS, 2);
1031 if (!(sta & PCIM_STATUS_CAPPRESENT))
1034 switch (p->pc_hdr & PCIM_HDRTYPE) {
1035 case PCIM_HDRTYPE_NORMAL:
1036 case PCIM_HDRTYPE_BRIDGE:
1039 case PCIM_HDRTYPE_CARDBUS:
1040 ptr = PCIR_CAP_PTR_2;
1046 ptr = read_config(fd, &p->pc_sel, ptr, 1);
1047 while (ptr != 0 && ptr != 0xff) {
1048 cap = read_config(fd, &p->pc_sel, ptr + PCICAP_ID, 1);
1051 ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1);
1056 /* Find offset of a specific extended capability. Returns 0 on failure. */
1058 pcie_find_cap(int fd, struct pci_conf *p, uint16_t id)
1064 ecap = read_config(fd, &p->pc_sel, ptr, 4);
1065 if (ecap == 0xffffffff || ecap == 0)
1068 if (PCI_EXTCAP_ID(ecap) == id)
1070 ptr = PCI_EXTCAP_NEXTPTR(ecap);
1073 ecap = read_config(fd, &p->pc_sel, ptr, 4);