/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2007 Yahoo!, Inc. * All rights reserved. * Written by: John Baldwin * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static const char rcsid[] = "$FreeBSD$"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include "pciconf.h" static void list_ecaps(int fd, struct pci_conf *p); static void cap_power(int fd, struct pci_conf *p, uint8_t ptr) { uint16_t cap, status; cap = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_CAP, 2); status = read_config(fd, &p->pc_sel, ptr + PCIR_POWER_STATUS, 2); printf("powerspec %d supports D0%s%s D3 current D%d", cap & PCIM_PCAP_SPEC, cap & PCIM_PCAP_D1SUPP ? " D1" : "", cap & PCIM_PCAP_D2SUPP ? " D2" : "", status & PCIM_PSTAT_DMASK); } static void cap_agp(int fd, struct pci_conf *p, uint8_t ptr) { uint32_t status, command; status = read_config(fd, &p->pc_sel, ptr + AGP_STATUS, 4); command = read_config(fd, &p->pc_sel, ptr + AGP_CAPID, 4); printf("AGP "); if (AGP_MODE_GET_MODE_3(status)) { printf("v3 "); if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_8x) printf("8x "); if (AGP_MODE_GET_RATE(status) & AGP_MODE_V3_RATE_4x) printf("4x "); } else { if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_4x) printf("4x "); if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_2x) printf("2x "); if (AGP_MODE_GET_RATE(status) & AGP_MODE_V2_RATE_1x) printf("1x "); } if (AGP_MODE_GET_SBA(status)) printf("SBA "); if (AGP_MODE_GET_AGP(command)) { printf("enabled at "); if (AGP_MODE_GET_MODE_3(command)) { printf("v3 "); switch (AGP_MODE_GET_RATE(command)) { case AGP_MODE_V3_RATE_8x: printf("8x "); break; case AGP_MODE_V3_RATE_4x: printf("4x "); break; } } else switch (AGP_MODE_GET_RATE(command)) { case AGP_MODE_V2_RATE_4x: printf("4x "); break; case AGP_MODE_V2_RATE_2x: printf("2x "); break; case AGP_MODE_V2_RATE_1x: printf("1x "); break; } if (AGP_MODE_GET_SBA(command)) printf("SBA "); } else printf("disabled"); } static void cap_vpd(int fd __unused, struct pci_conf *p __unused, uint8_t ptr __unused) { printf("VPD"); } static void cap_msi(int fd, struct pci_conf *p, uint8_t ptr) { uint16_t ctrl; int msgnum; ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSI_CTRL, 2); msgnum = 1 << ((ctrl & PCIM_MSICTRL_MMC_MASK) >> 1); printf("MSI supports %d message%s%s%s ", msgnum, (msgnum == 1) ? "" : "s", (ctrl & PCIM_MSICTRL_64BIT) ? ", 64 bit" : "", (ctrl & PCIM_MSICTRL_VECTOR) ? ", vector masks" : ""); if (ctrl & PCIM_MSICTRL_MSI_ENABLE) { msgnum = 1 << ((ctrl & PCIM_MSICTRL_MME_MASK) >> 4); printf("enabled with %d message%s", msgnum, (msgnum == 1) ? "" : "s"); } } static void cap_pcix(int fd, struct pci_conf *p, uint8_t ptr) { uint32_t status; int comma, max_splits, max_burst_read; status = read_config(fd, &p->pc_sel, ptr + PCIXR_STATUS, 4); printf("PCI-X "); if (status & PCIXM_STATUS_64BIT) printf("64-bit "); if ((p->pc_hdr & PCIM_HDRTYPE) == 1) printf("bridge "); if ((p->pc_hdr & PCIM_HDRTYPE) != 1 || (status & (PCIXM_STATUS_133CAP | PCIXM_STATUS_266CAP | PCIXM_STATUS_533CAP)) != 0) printf("supports"); comma = 0; if (status & PCIXM_STATUS_133CAP) { printf(" 133MHz"); comma = 1; } if (status & PCIXM_STATUS_266CAP) { printf("%s 266MHz", comma ? "," : ""); comma = 1; } if (status & PCIXM_STATUS_533CAP) { printf("%s 533MHz", comma ? "," : ""); comma = 1; } if ((p->pc_hdr & PCIM_HDRTYPE) == 1) return; max_burst_read = 0; switch (status & PCIXM_STATUS_MAX_READ) { case PCIXM_STATUS_MAX_READ_512: max_burst_read = 512; break; case PCIXM_STATUS_MAX_READ_1024: max_burst_read = 1024; break; case PCIXM_STATUS_MAX_READ_2048: max_burst_read = 2048; break; case PCIXM_STATUS_MAX_READ_4096: max_burst_read = 4096; break; } max_splits = 0; switch (status & PCIXM_STATUS_MAX_SPLITS) { case PCIXM_STATUS_MAX_SPLITS_1: max_splits = 1; break; case PCIXM_STATUS_MAX_SPLITS_2: max_splits = 2; break; case PCIXM_STATUS_MAX_SPLITS_3: max_splits = 3; break; case PCIXM_STATUS_MAX_SPLITS_4: max_splits = 4; break; case PCIXM_STATUS_MAX_SPLITS_8: max_splits = 8; break; case PCIXM_STATUS_MAX_SPLITS_12: max_splits = 12; break; case PCIXM_STATUS_MAX_SPLITS_16: max_splits = 16; break; case PCIXM_STATUS_MAX_SPLITS_32: max_splits = 32; break; } printf("%s %d burst read, %d split transaction%s", comma ? "," : "", max_burst_read, max_splits, max_splits == 1 ? "" : "s"); } static void cap_ht(int fd, struct pci_conf *p, uint8_t ptr) { uint32_t reg; uint16_t command; command = read_config(fd, &p->pc_sel, ptr + PCIR_HT_COMMAND, 2); printf("HT "); if ((command & 0xe000) == PCIM_HTCAP_SLAVE) printf("slave"); else if ((command & 0xe000) == PCIM_HTCAP_HOST) printf("host"); else switch (command & PCIM_HTCMD_CAP_MASK) { case PCIM_HTCAP_SWITCH: printf("switch"); break; case PCIM_HTCAP_INTERRUPT: printf("interrupt"); break; case PCIM_HTCAP_REVISION_ID: printf("revision ID"); break; case PCIM_HTCAP_UNITID_CLUMPING: printf("unit ID clumping"); break; case PCIM_HTCAP_EXT_CONFIG_SPACE: printf("extended config space"); break; case PCIM_HTCAP_ADDRESS_MAPPING: printf("address mapping"); break; case PCIM_HTCAP_MSI_MAPPING: printf("MSI %saddress window %s at 0x", command & PCIM_HTCMD_MSI_FIXED ? "fixed " : "", command & PCIM_HTCMD_MSI_ENABLE ? "enabled" : "disabled"); if (command & PCIM_HTCMD_MSI_FIXED) printf("fee00000"); else { reg = read_config(fd, &p->pc_sel, ptr + PCIR_HTMSI_ADDRESS_HI, 4); if (reg != 0) printf("%08x", reg); reg = read_config(fd, &p->pc_sel, ptr + PCIR_HTMSI_ADDRESS_LO, 4); printf("%08x", reg); } break; case PCIM_HTCAP_DIRECT_ROUTE: printf("direct route"); break; case PCIM_HTCAP_VCSET: printf("VC set"); break; case PCIM_HTCAP_RETRY_MODE: printf("retry mode"); break; case PCIM_HTCAP_X86_ENCODING: printf("X86 encoding"); break; case PCIM_HTCAP_GEN3: printf("Gen3"); break; case PCIM_HTCAP_FLE: printf("function-level extension"); break; case PCIM_HTCAP_PM: printf("power management"); break; case PCIM_HTCAP_HIGH_NODE_COUNT: printf("high node count"); break; default: printf("unknown %02x", command); break; } } static void cap_vendor(int fd, struct pci_conf *p, uint8_t ptr) { uint8_t length; length = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_LENGTH, 1); printf("vendor (length %d)", length); if (p->pc_vendor == 0x8086) { /* Intel */ uint8_t version; version = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_DATA, 1); printf(" Intel cap %d version %d", version >> 4, version & 0xf); if (version >> 4 == 1 && length == 12) { /* Feature Detection */ uint32_t fvec; int comma; comma = 0; fvec = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_DATA + 5, 4); printf("\n\t\t features:"); if (fvec & (1 << 0)) { printf(" AMT"); comma = 1; } fvec = read_config(fd, &p->pc_sel, ptr + PCIR_VENDOR_DATA + 1, 4); if (fvec & (1 << 21)) { printf("%s Quick Resume", comma ? "," : ""); comma = 1; } if (fvec & (1 << 18)) { printf("%s SATA RAID-5", comma ? "," : ""); comma = 1; } if (fvec & (1 << 9)) { printf("%s Mobile", comma ? "," : ""); comma = 1; } if (fvec & (1 << 7)) { printf("%s 6 PCI-e x1 slots", comma ? "," : ""); comma = 1; } else { printf("%s 4 PCI-e x1 slots", comma ? "," : ""); comma = 1; } if (fvec & (1 << 5)) { printf("%s SATA RAID-0/1/10", comma ? "," : ""); comma = 1; } if (fvec & (1 << 3)) printf(", SATA AHCI"); } } } static void cap_debug(int fd, struct pci_conf *p, uint8_t ptr) { uint16_t debug_port; debug_port = read_config(fd, &p->pc_sel, ptr + PCIR_DEBUG_PORT, 2); printf("EHCI Debug Port at offset 0x%x in map 0x%x", debug_port & PCIM_DEBUG_PORT_OFFSET, PCIR_BAR(debug_port >> 13)); } static void cap_subvendor(int fd, struct pci_conf *p, uint8_t ptr) { uint32_t id; id = read_config(fd, &p->pc_sel, ptr + PCIR_SUBVENDCAP_ID, 4); printf("PCI Bridge card=0x%08x", id); } #define MAX_PAYLOAD(field) (128 << (field)) static const char * link_speed_string(uint8_t speed) { switch (speed) { case 1: return ("2.5"); case 2: return ("5.0"); case 3: return ("8.0"); case 4: return ("16.0"); default: return ("undef"); } } static const char * aspm_string(uint8_t aspm) { switch (aspm) { case 1: return ("L0s"); case 2: return ("L1"); case 3: return ("L0s/L1"); default: return ("disabled"); } } static int slot_power(uint32_t cap) { int mwatts; mwatts = (cap & PCIEM_SLOT_CAP_SPLV) >> 7; switch (cap & PCIEM_SLOT_CAP_SPLS) { case 0x0: mwatts *= 1000; break; case 0x1: mwatts *= 100; break; case 0x2: mwatts *= 10; break; default: break; } return (mwatts); } static void cap_express(int fd, struct pci_conf *p, uint8_t ptr) { uint32_t cap; uint16_t ctl, flags, sta; unsigned int version; flags = read_config(fd, &p->pc_sel, ptr + PCIER_FLAGS, 2); version = flags & PCIEM_FLAGS_VERSION; printf("PCI-Express %u ", version); switch (flags & PCIEM_FLAGS_TYPE) { case PCIEM_TYPE_ENDPOINT: printf("endpoint"); break; case PCIEM_TYPE_LEGACY_ENDPOINT: printf("legacy endpoint"); break; case PCIEM_TYPE_ROOT_PORT: printf("root port"); break; case PCIEM_TYPE_UPSTREAM_PORT: printf("upstream port"); break; case PCIEM_TYPE_DOWNSTREAM_PORT: printf("downstream port"); break; case PCIEM_TYPE_PCI_BRIDGE: printf("PCI bridge"); break; case PCIEM_TYPE_PCIE_BRIDGE: printf("PCI to PCIe bridge"); break; case PCIEM_TYPE_ROOT_INT_EP: printf("root endpoint"); break; case PCIEM_TYPE_ROOT_EC: printf("event collector"); break; default: printf("type %d", (flags & PCIEM_FLAGS_TYPE) >> 4); break; } if (flags & PCIEM_FLAGS_IRQ) printf(" MSI %d", (flags & PCIEM_FLAGS_IRQ) >> 9); cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP, 4); ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL, 2); printf(" max data %d(%d)", MAX_PAYLOAD((ctl & PCIEM_CTL_MAX_PAYLOAD) >> 5), MAX_PAYLOAD(cap & PCIEM_CAP_MAX_PAYLOAD)); if ((cap & PCIEM_CAP_FLR) != 0) printf(" FLR"); if (ctl & PCIEM_CTL_RELAXED_ORD_ENABLE) printf(" RO"); if (ctl & PCIEM_CTL_NOSNOOP_ENABLE) printf(" NS"); if (version >= 2) { cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP2, 4); if ((cap & PCIEM_CAP2_ARI) != 0) { ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL2, 4); printf(" ARI %s", (ctl & PCIEM_CTL2_ARI) ? "enabled" : "disabled"); } } cap = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CAP, 4); sta = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_STA, 2); if (cap == 0 && sta == 0) return; printf("\n "); printf(" link x%d(x%d)", (sta & PCIEM_LINK_STA_WIDTH) >> 4, (cap & PCIEM_LINK_CAP_MAX_WIDTH) >> 4); if ((cap & PCIEM_LINK_CAP_MAX_WIDTH) != 0) { printf(" speed %s(%s)", (sta & PCIEM_LINK_STA_WIDTH) == 0 ? "0.0" : link_speed_string(sta & PCIEM_LINK_STA_SPEED), link_speed_string(cap & PCIEM_LINK_CAP_MAX_SPEED)); } if ((cap & PCIEM_LINK_CAP_ASPM) != 0) { ctl = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CTL, 2); printf(" ASPM %s(%s)", aspm_string(ctl & PCIEM_LINK_CTL_ASPMC), aspm_string((cap & PCIEM_LINK_CAP_ASPM) >> 10)); } if ((cap & PCIEM_LINK_CAP_CLOCK_PM) != 0) { ctl = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CTL, 2); printf(" ClockPM %s", (ctl & PCIEM_LINK_CTL_ECPM) ? "enabled" : "disabled"); } if (!(flags & PCIEM_FLAGS_SLOT)) return; cap = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CAP, 4); sta = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_STA, 2); ctl = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CTL, 2); printf("\n "); printf(" slot %d", (cap & PCIEM_SLOT_CAP_PSN) >> 19); printf(" power limit %d mW", slot_power(cap)); if (cap & PCIEM_SLOT_CAP_HPC) printf(" HotPlug(%s)", sta & PCIEM_SLOT_STA_PDS ? "present" : "empty"); if (cap & PCIEM_SLOT_CAP_HPS) printf(" surprise"); if (cap & PCIEM_SLOT_CAP_APB) printf(" Attn Button"); if (cap & PCIEM_SLOT_CAP_PCP) printf(" PC(%s)", ctl & PCIEM_SLOT_CTL_PCC ? "off" : "on"); if (cap & PCIEM_SLOT_CAP_MRLSP) printf(" MRL(%s)", sta & PCIEM_SLOT_STA_MRLSS ? "open" : "closed"); if (cap & PCIEM_SLOT_CAP_EIP) printf(" EI(%s)", sta & PCIEM_SLOT_STA_EIS ? "engaged" : "disengaged"); } static void cap_msix(int fd, struct pci_conf *p, uint8_t ptr) { uint32_t pba_offset, table_offset, val; int msgnum, pba_bar, table_bar; uint16_t ctrl; ctrl = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_CTRL, 2); msgnum = (ctrl & PCIM_MSIXCTRL_TABLE_SIZE) + 1; val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_TABLE, 4); table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); table_offset = val & ~PCIM_MSIX_BIR_MASK; val = read_config(fd, &p->pc_sel, ptr + PCIR_MSIX_PBA, 4); pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); pba_offset = val & ~PCIM_MSIX_BIR_MASK; printf("MSI-X supports %d message%s%s\n", msgnum, (msgnum == 1) ? "" : "s", (ctrl & PCIM_MSIXCTRL_MSIX_ENABLE) ? ", enabled" : ""); printf(" "); printf("Table in map 0x%x[0x%x], PBA in map 0x%x[0x%x]", table_bar, table_offset, pba_bar, pba_offset); } static void cap_sata(int fd __unused, struct pci_conf *p __unused, uint8_t ptr __unused) { printf("SATA Index-Data Pair"); } static void cap_pciaf(int fd, struct pci_conf *p, uint8_t ptr) { uint8_t cap; cap = read_config(fd, &p->pc_sel, ptr + PCIR_PCIAF_CAP, 1); printf("PCI Advanced Features:%s%s", cap & PCIM_PCIAFCAP_FLR ? " FLR" : "", cap & PCIM_PCIAFCAP_TP ? " TP" : ""); } static const char * ea_bei_to_name(int bei) { static const char *barstr[] = { "BAR0", "BAR1", "BAR2", "BAR3", "BAR4", "BAR5" }; static const char *vfbarstr[] = { "VFBAR0", "VFBAR1", "VFBAR2", "VFBAR3", "VFBAR4", "VFBAR5" }; if ((bei >= PCIM_EA_BEI_BAR_0) && (bei <= PCIM_EA_BEI_BAR_5)) return (barstr[bei - PCIM_EA_BEI_BAR_0]); if ((bei >= PCIM_EA_BEI_VF_BAR_0) && (bei <= PCIM_EA_BEI_VF_BAR_5)) return (vfbarstr[bei - PCIM_EA_BEI_VF_BAR_0]); switch (bei) { case PCIM_EA_BEI_BRIDGE: return "BRIDGE"; case PCIM_EA_BEI_ENI: return "ENI"; case PCIM_EA_BEI_ROM: return "ROM"; case PCIM_EA_BEI_RESERVED: default: return "RSVD"; } } static const char * ea_prop_to_name(uint8_t prop) { switch (prop) { case PCIM_EA_P_MEM: return "Non-Prefetchable Memory"; case PCIM_EA_P_MEM_PREFETCH: return "Prefetchable Memory"; case PCIM_EA_P_IO: return "I/O Space"; case PCIM_EA_P_VF_MEM_PREFETCH: return "VF Prefetchable Memory"; case PCIM_EA_P_VF_MEM: return "VF Non-Prefetchable Memory"; case PCIM_EA_P_BRIDGE_MEM: return "Bridge Non-Prefetchable Memory"; case PCIM_EA_P_BRIDGE_MEM_PREFETCH: return "Bridge Prefetchable Memory"; case PCIM_EA_P_BRIDGE_IO: return "Bridge I/O Space"; case PCIM_EA_P_MEM_RESERVED: return "Reserved Memory"; case PCIM_EA_P_IO_RESERVED: return "Reserved I/O Space"; case PCIM_EA_P_UNAVAILABLE: return "Unavailable"; default: return "Reserved"; } } static void cap_ea(int fd, struct pci_conf *p, uint8_t ptr) { int num_ent; int a, b; uint32_t bei; uint32_t val; int ent_size; uint32_t dw[4]; uint32_t flags, flags_pp, flags_sp; uint64_t base, max_offset; uint8_t fixed_sub_bus_nr, fixed_sec_bus_nr; /* Determine the number of entries */ num_ent = read_config(fd, &p->pc_sel, ptr + PCIR_EA_NUM_ENT, 2); num_ent &= PCIM_EA_NUM_ENT_MASK; printf("PCI Enhanced Allocation (%d entries)", num_ent); /* Find the first entry to care of */ ptr += PCIR_EA_FIRST_ENT; /* Print BUS numbers for bridges */ if ((p->pc_hdr & PCIM_HDRTYPE) == PCIM_HDRTYPE_BRIDGE) { val = read_config(fd, &p->pc_sel, ptr, 4); fixed_sec_bus_nr = PCIM_EA_SEC_NR(val); fixed_sub_bus_nr = PCIM_EA_SUB_NR(val); printf("\n\t\t BRIDGE, sec bus [%d], sub bus [%d]", fixed_sec_bus_nr, fixed_sub_bus_nr); ptr += 4; } for (a = 0; a < num_ent; a++) { /* Read a number of dwords in the entry */ val = read_config(fd, &p->pc_sel, ptr, 4); ptr += 4; ent_size = (val & PCIM_EA_ES); for (b = 0; b < ent_size; b++) { dw[b] = read_config(fd, &p->pc_sel, ptr, 4); ptr += 4; } flags = val; flags_pp = (flags & PCIM_EA_PP) >> PCIM_EA_PP_OFFSET; flags_sp = (flags & PCIM_EA_SP) >> PCIM_EA_SP_OFFSET; bei = (PCIM_EA_BEI & val) >> PCIM_EA_BEI_OFFSET; base = dw[0] & PCIM_EA_FIELD_MASK; max_offset = dw[1] | ~PCIM_EA_FIELD_MASK; b = 2; if (((dw[0] & PCIM_EA_IS_64) != 0) && (b < ent_size)) { base |= (uint64_t)dw[b] << 32UL; b++; } if (((dw[1] & PCIM_EA_IS_64) != 0) && (b < ent_size)) { max_offset |= (uint64_t)dw[b] << 32UL; b++; } printf("\n\t\t [%d] %s, %s, %s, base [0x%jx], size [0x%jx]" "\n\t\t\tPrimary properties [0x%x] (%s)" "\n\t\t\tSecondary properties [0x%x] (%s)", bei, ea_bei_to_name(bei), (flags & PCIM_EA_ENABLE ? "Enabled" : "Disabled"), (flags & PCIM_EA_WRITABLE ? "Writable" : "Read-only"), (uintmax_t)base, (uintmax_t)(max_offset + 1), flags_pp, ea_prop_to_name(flags_pp), flags_sp, ea_prop_to_name(flags_sp)); } } void list_caps(int fd, struct pci_conf *p) { int express; uint16_t sta; uint8_t ptr, cap; /* Are capabilities present for this device? */ sta = read_config(fd, &p->pc_sel, PCIR_STATUS, 2); if (!(sta & PCIM_STATUS_CAPPRESENT)) return; switch (p->pc_hdr & PCIM_HDRTYPE) { case PCIM_HDRTYPE_NORMAL: case PCIM_HDRTYPE_BRIDGE: ptr = PCIR_CAP_PTR; break; case PCIM_HDRTYPE_CARDBUS: ptr = PCIR_CAP_PTR_2; break; default: errx(1, "list_caps: bad header type"); } /* Walk the capability list. */ express = 0; ptr = read_config(fd, &p->pc_sel, ptr, 1); while (ptr != 0 && ptr != 0xff) { cap = read_config(fd, &p->pc_sel, ptr + PCICAP_ID, 1); printf(" cap %02x[%02x] = ", cap, ptr); switch (cap) { case PCIY_PMG: cap_power(fd, p, ptr); break; case PCIY_AGP: cap_agp(fd, p, ptr); break; case PCIY_VPD: cap_vpd(fd, p, ptr); break; case PCIY_MSI: cap_msi(fd, p, ptr); break; case PCIY_PCIX: cap_pcix(fd, p, ptr); break; case PCIY_HT: cap_ht(fd, p, ptr); break; case PCIY_VENDOR: cap_vendor(fd, p, ptr); break; case PCIY_DEBUG: cap_debug(fd, p, ptr); break; case PCIY_SUBVENDOR: cap_subvendor(fd, p, ptr); break; case PCIY_EXPRESS: express = 1; cap_express(fd, p, ptr); break; case PCIY_MSIX: cap_msix(fd, p, ptr); break; case PCIY_SATA: cap_sata(fd, p, ptr); break; case PCIY_PCIAF: cap_pciaf(fd, p, ptr); break; case PCIY_EA: cap_ea(fd, p, ptr); break; default: printf("unknown"); break; } printf("\n"); ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1); } if (express) list_ecaps(fd, p); } /* From . */ static __inline uint32_t bitcount32(uint32_t x) { x = (x & 0x55555555) + ((x & 0xaaaaaaaa) >> 1); x = (x & 0x33333333) + ((x & 0xcccccccc) >> 2); x = (x + (x >> 4)) & 0x0f0f0f0f; x = (x + (x >> 8)); x = (x + (x >> 16)) & 0x000000ff; return (x); } static void ecap_aer(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) { uint32_t sta, mask; printf("AER %d", ver); if (ver < 1) return; sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_STATUS, 4); mask = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_SEVERITY, 4); printf(" %d fatal", bitcount32(sta & mask)); printf(" %d non-fatal", bitcount32(sta & ~mask)); sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_COR_STATUS, 4); printf(" %d corrected\n", bitcount32(sta)); } static void ecap_vc(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) { uint32_t cap1; printf("VC %d", ver); if (ver < 1) return; cap1 = read_config(fd, &p->pc_sel, ptr + PCIR_VC_CAP1, 4); printf(" max VC%d", cap1 & PCIM_VC_CAP1_EXT_COUNT); if ((cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) != 0) printf(" lowpri VC0-VC%d", (cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) >> 4); printf("\n"); } static void ecap_sernum(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) { uint32_t high, low; printf("Serial %d", ver); if (ver < 1) return; low = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_LOW, 4); high = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_HIGH, 4); printf(" %08x%08x\n", high, low); } static void ecap_vendor(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) { uint32_t val; printf("Vendor %d", ver); if (ver < 1) return; val = read_config(fd, &p->pc_sel, ptr + 4, 4); printf(" ID %d\n", val & 0xffff); } static void ecap_sec_pcie(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) { uint32_t val; printf("PCIe Sec %d", ver); if (ver < 1) return; val = read_config(fd, &p->pc_sel, ptr + 8, 4); printf(" lane errors %#x\n", val); } static const char * check_enabled(int value) { return (value ? "enabled" : "disabled"); } static void ecap_sriov(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver) { const char *comma, *enabled; uint16_t iov_ctl, total_vfs, num_vfs, vf_offset, vf_stride, vf_did; uint32_t page_caps, page_size, page_shift, size; int i; printf("SR-IOV %d ", ver); iov_ctl = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_CTL, 2); printf("IOV %s, Memory Space %s, ARI %s\n", check_enabled(iov_ctl & PCIM_SRIOV_VF_EN), check_enabled(iov_ctl & PCIM_SRIOV_VF_MSE), check_enabled(iov_ctl & PCIM_SRIOV_ARI_EN)); total_vfs = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_TOTAL_VFS, 2); num_vfs = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_NUM_VFS, 2); printf(" "); printf("%d VFs configured out of %d supported\n", num_vfs, total_vfs); vf_offset = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_OFF, 2); vf_stride = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_STRIDE, 2); printf(" "); printf("First VF RID Offset 0x%04x, VF RID Stride 0x%04x\n", vf_offset, vf_stride); vf_did = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_VF_DID, 2); printf(" VF Device ID 0x%04x\n", vf_did); page_caps = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_PAGE_CAP, 4); page_size = read_config(fd, &p->pc_sel, ptr + PCIR_SRIOV_PAGE_SIZE, 4); printf(" "); printf("Page Sizes: "); comma = ""; while (page_caps != 0) { page_shift = ffs(page_caps) - 1; if (page_caps & page_size) enabled = " (enabled)"; else enabled = ""; size = (1 << (page_shift + PCI_SRIOV_BASE_PAGE_SHIFT)); printf("%s%d%s", comma, size, enabled); comma = ", "; page_caps &= ~(1 << page_shift); } printf("\n"); for (i = 0; i <= PCIR_MAX_BAR_0; i++) print_bar(fd, p, "iov bar ", ptr + PCIR_SRIOV_BAR(i)); } static struct { uint16_t id; const char *name; } ecap_names[] = { { PCIZ_PWRBDGT, "Power Budgeting" }, { PCIZ_RCLINK_DCL, "Root Complex Link Declaration" }, { PCIZ_RCLINK_CTL, "Root Complex Internal Link Control" }, { PCIZ_RCEC_ASSOC, "Root Complex Event Collector ASsociation" }, { PCIZ_MFVC, "MFVC" }, { PCIZ_RCRB, "RCRB" }, { PCIZ_ACS, "ACS" }, { PCIZ_ARI, "ARI" }, { PCIZ_ATS, "ATS" }, { PCIZ_MULTICAST, "Multicast" }, { PCIZ_RESIZE_BAR, "Resizable BAR" }, { PCIZ_DPA, "DPA" }, { PCIZ_TPH_REQ, "TPH Requester" }, { PCIZ_LTR, "LTR" }, { 0, NULL } }; static void list_ecaps(int fd, struct pci_conf *p) { const char *name; uint32_t ecap; uint16_t ptr; int i; ptr = PCIR_EXTCAP; ecap = read_config(fd, &p->pc_sel, ptr, 4); if (ecap == 0xffffffff || ecap == 0) return; for (;;) { printf(" ecap %04x[%03x] = ", PCI_EXTCAP_ID(ecap), ptr); switch (PCI_EXTCAP_ID(ecap)) { case PCIZ_AER: ecap_aer(fd, p, ptr, PCI_EXTCAP_VER(ecap)); break; case PCIZ_VC: ecap_vc(fd, p, ptr, PCI_EXTCAP_VER(ecap)); break; case PCIZ_SERNUM: ecap_sernum(fd, p, ptr, PCI_EXTCAP_VER(ecap)); break; case PCIZ_VENDOR: ecap_vendor(fd, p, ptr, PCI_EXTCAP_VER(ecap)); break; case PCIZ_SEC_PCIE: ecap_sec_pcie(fd, p, ptr, PCI_EXTCAP_VER(ecap)); break; case PCIZ_SRIOV: ecap_sriov(fd, p, ptr, PCI_EXTCAP_VER(ecap)); break; default: name = "unknown"; for (i = 0; ecap_names[i].name != NULL; i++) if (ecap_names[i].id == PCI_EXTCAP_ID(ecap)) { name = ecap_names[i].name; break; } printf("%s %d\n", name, PCI_EXTCAP_VER(ecap)); break; } ptr = PCI_EXTCAP_NEXTPTR(ecap); if (ptr == 0) break; ecap = read_config(fd, &p->pc_sel, ptr, 4); } } /* Find offset of a specific capability. Returns 0 on failure. */ uint8_t pci_find_cap(int fd, struct pci_conf *p, uint8_t id) { uint16_t sta; uint8_t ptr, cap; /* Are capabilities present for this device? */ sta = read_config(fd, &p->pc_sel, PCIR_STATUS, 2); if (!(sta & PCIM_STATUS_CAPPRESENT)) return (0); switch (p->pc_hdr & PCIM_HDRTYPE) { case PCIM_HDRTYPE_NORMAL: case PCIM_HDRTYPE_BRIDGE: ptr = PCIR_CAP_PTR; break; case PCIM_HDRTYPE_CARDBUS: ptr = PCIR_CAP_PTR_2; break; default: return (0); } ptr = read_config(fd, &p->pc_sel, ptr, 1); while (ptr != 0 && ptr != 0xff) { cap = read_config(fd, &p->pc_sel, ptr + PCICAP_ID, 1); if (cap == id) return (ptr); ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1); } return (0); } /* Find offset of a specific extended capability. Returns 0 on failure. */ uint16_t pcie_find_cap(int fd, struct pci_conf *p, uint16_t id) { uint32_t ecap; uint16_t ptr; ptr = PCIR_EXTCAP; ecap = read_config(fd, &p->pc_sel, ptr, 4); if (ecap == 0xffffffff || ecap == 0) return (0); for (;;) { if (PCI_EXTCAP_ID(ecap) == id) return (ptr); ptr = PCI_EXTCAP_NEXTPTR(ecap); if (ptr == 0) break; ecap = read_config(fd, &p->pc_sel, ptr, 4); } return (0); }