X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ls-ecaps.c;h=99c55ff7092c8041795547cda262d576ba762084;hb=41e49114068eb53a7a46d2ecd46f755962c41f1a;hp=a6ae751dd3a01b79a0de1215e0b04e0ae461fbf9;hpb=b8f7cd649e4f09a0c4f0ac0b89bf2eec2ab60e80;p=pciutils.git diff --git a/ls-ecaps.c b/ls-ecaps.c index a6ae751..99c55ff 100644 --- a/ls-ecaps.c +++ b/ls-ecaps.c @@ -1,7 +1,7 @@ /* * The PCI Utilities -- Show Extended Capabilities * - * Copyright (c) 1997--2010 Martin Mares + * Copyright (c) 1997--2020 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -76,6 +76,37 @@ cap_ltr(struct device *d, int where) ((unsigned long long)nosnoop & PCI_LTR_VALUE_MASK) * scale); } +static void +cap_sec(struct device *d, int where) +{ + u32 ctrl3, lane_err_stat; + u8 lane; + printf("Secondary PCI Express\n"); + if (verbose < 2) + return; + + if (!config_fetch(d, where + PCI_SEC_LNKCTL3, 12)) + return; + + ctrl3 = get_conf_word(d, where + PCI_SEC_LNKCTL3); + printf("\t\tLnkCtl3: LnkEquIntrruptEn%c PerformEqu%c\n", + FLAG(ctrl3, PCI_SEC_LNKCTL3_LNK_EQU_REQ_INTR_EN), + FLAG(ctrl3, PCI_SEC_LNKCTL3_PERFORM_LINK_EQU)); + + lane_err_stat = get_conf_word(d, where + PCI_SEC_LANE_ERR); + printf("\t\tLaneErrStat: "); + if (lane_err_stat) + { + printf("LaneErr at lane:"); + for (lane = 0; lane_err_stat; lane_err_stat >>= 1, lane += 1) + if (BITS(lane_err_stat, 0, 1)) + printf(" %u", lane); + } + else + printf("0"); + printf("\n"); +} + static void cap_dsn(struct device *d, int where) { @@ -396,6 +427,62 @@ cap_sriov(struct device *d, int where) PCI_IOV_MSA_BIR(l)); } +static void +cap_multicast(struct device *d, int where, int type) +{ + u16 w; + u32 l; + u64 bar, rcv, block; + + printf("Multicast\n"); + if (verbose < 2) + return; + + if (!config_fetch(d, where + PCI_MCAST_CAP, 0x30)) + return; + + w = get_conf_word(d, where + PCI_MCAST_CAP); + printf("\t\tMcastCap: MaxGroups %d", PCI_MCAST_CAP_MAX_GROUP(w) + 1); + if (type == PCI_EXP_TYPE_ENDPOINT || type == PCI_EXP_TYPE_ROOT_INT_EP) + printf(", WindowSz %d (%d bytes)", + PCI_MCAST_CAP_WIN_SIZE(w), 1 << PCI_MCAST_CAP_WIN_SIZE(w)); + if (type == PCI_EXP_TYPE_ROOT_PORT || + type == PCI_EXP_TYPE_UPSTREAM || type == PCI_EXP_TYPE_DOWNSTREAM) + printf(", ECRCRegen%c\n", FLAG(w, PCI_MCAST_CAP_ECRC)); + w = get_conf_word(d, where + PCI_MCAST_CTRL); + printf("\t\tMcastCtl: NumGroups %d, Enable%c\n", + PCI_MCAST_CTRL_NUM_GROUP(w) + 1, FLAG(w, PCI_MCAST_CTRL_ENABLE)); + bar = get_conf_long(d, where + PCI_MCAST_BAR); + l = get_conf_long(d, where + PCI_MCAST_BAR + 4); + bar |= (u64) l << 32; + printf("\t\tMcastBAR: IndexPos %d, BaseAddr %016" PCI_U64_FMT_X "\n", + PCI_MCAST_BAR_INDEX_POS(bar), bar & PCI_MCAST_BAR_MASK); + rcv = get_conf_long(d, where + PCI_MCAST_RCV); + l = get_conf_long(d, where + PCI_MCAST_RCV + 4); + rcv |= (u64) l << 32; + printf("\t\tMcastReceiveVec: %016" PCI_U64_FMT_X "\n", rcv); + block = get_conf_long(d, where + PCI_MCAST_BLOCK); + l = get_conf_long(d, where + PCI_MCAST_BLOCK + 4); + block |= (u64) l << 32; + printf("\t\tMcastBlockAllVec: %016" PCI_U64_FMT_X "\n", block); + block = get_conf_long(d, where + PCI_MCAST_BLOCK_UNTRANS); + l = get_conf_long(d, where + PCI_MCAST_BLOCK_UNTRANS + 4); + block |= (u64) l << 32; + printf("\t\tMcastBlockUntransVec: %016" PCI_U64_FMT_X "\n", block); + + if (type == PCI_EXP_TYPE_ENDPOINT || type == PCI_EXP_TYPE_ROOT_INT_EP) + return; + bar = get_conf_long(d, where + PCI_MCAST_OVL_BAR); + l = get_conf_long(d, where + PCI_MCAST_OVL_BAR + 4); + bar |= (u64) l << 32; + printf("\t\tMcastOverlayBAR: OverlaySize %d ", PCI_MCAST_OVL_SIZE(bar)); + if (PCI_MCAST_OVL_SIZE(bar) >= 6) + printf("(%d bytes)", 1 << PCI_MCAST_OVL_SIZE(bar)); + else + printf("(disabled)"); + printf(", BaseAddr %016" PCI_U64_FMT_X "\n", bar & PCI_MCAST_OVL_MASK); +} + static void cap_vc(struct device *d, int where) { @@ -547,6 +634,112 @@ cap_rclink(struct device *d, int where) } } +static void +cap_rcec(struct device *d, int where) +{ + printf("Root Complex Event Collector Endpoint Association\n"); + if (verbose < 2) + return; + + if (!config_fetch(d, where, 12)) + return; + + u32 hdr = get_conf_long(d, where); + byte cap_ver = PCI_RCEC_EP_CAP_VER(hdr); + u32 bmap = get_conf_long(d, where + PCI_RCEC_RCIEP_BMAP); + printf("\t\tRCiEPBitmap: "); + if (bmap) + { + int prevmatched=0; + int adjcount=0; + int prevdev=0; + printf("RCiEP at Device(s):"); + for (int dev=0; dev < 32; dev++) + { + if (BITS(bmap, dev, 1)) + { + if (!adjcount) + printf("%s %u", (prevmatched) ? "," : "", dev); + adjcount++; + prevdev=dev; + prevmatched=1; + } + else + { + if (adjcount > 1) + printf("-%u", prevdev); + adjcount=0; + } + } + } + else + printf("%s", (verbose > 2) ? "00000000 [none]" : "[none]"); + printf("\n"); + + if (cap_ver < PCI_RCEC_BUSN_REG_VER) + return; + + u32 busn = get_conf_long(d, where + PCI_RCEC_BUSN_REG); + u8 lastbusn = BITS(busn, 16, 8); + u8 nextbusn = BITS(busn, 8, 8); + + if ((lastbusn == 0x00) && (nextbusn == 0xff)) + printf("\t\tAssociatedBusNumbers: %s\n", (verbose > 2) ? "ff-00 [none]" : "[none]"); + else + printf("\t\tAssociatedBusNumbers: %02x-%02x\n", nextbusn, lastbusn ); +} + +static void +cap_dvsec_cxl(struct device *d, int where) +{ + u16 l; + + printf(": CXL\n"); + if (verbose < 2) + return; + + if (!config_fetch(d, where + PCI_CXL_CAP, 12)) + return; + + l = get_conf_word(d, where + PCI_CXL_CAP); + printf("\t\tCXLCap:\tCache%c IO%c Mem%c Mem HW Init%c HDMCount %d Viral%c\n", + FLAG(l, PCI_CXL_CAP_CACHE), FLAG(l, PCI_CXL_CAP_IO), FLAG(l, PCI_CXL_CAP_MEM), + FLAG(l, PCI_CXL_CAP_MEM_HWINIT), PCI_CXL_CAP_HDM_CNT(l), FLAG(l, PCI_CXL_CAP_VIRAL)); + + l = get_conf_word(d, where + PCI_CXL_CTRL); + printf("\t\tCXLCtl:\tCache%c IO%c Mem%c Cache SF Cov %d Cache SF Gran %d Cache Clean%c Viral%c\n", + FLAG(l, PCI_CXL_CTRL_CACHE), FLAG(l, PCI_CXL_CTRL_IO), FLAG(l, PCI_CXL_CTRL_MEM), + PCI_CXL_CTRL_CACHE_SF_COV(l), PCI_CXL_CTRL_CACHE_SF_GRAN(l), FLAG(l, PCI_CXL_CTRL_CACHE_CLN), + FLAG(l, PCI_CXL_CTRL_VIRAL)); + + l = get_conf_word(d, where + PCI_CXL_STATUS); + printf("\t\tCXLSta:\tViral%c\n", FLAG(l, PCI_CXL_STATUS_VIRAL)); +} + +static void +cap_dvsec(struct device *d, int where) +{ + printf("Designated Vendor-Specific: "); + if (!config_fetch(d, where + PCI_DVSEC_HEADER1, 8)) + { + printf("\n"); + return; + } + + u32 hdr = get_conf_long(d, where + PCI_DVSEC_HEADER1); + u16 vendor = BITS(hdr, 0, 16); + byte rev = BITS(hdr, 16, 4); + u16 len = BITS(hdr, 20, 12); + + u16 id = get_conf_long(d, where + PCI_DVSEC_HEADER2); + + printf("Vendor=%04x ID=%04x Rev=%d Len=%d", vendor, id, rev, len); + if (vendor == PCI_DVSEC_VENDOR_ID_CXL && id == PCI_DVSEC_ID_CXL && len >= 16) + cap_dvsec_cxl(d, where); + else + printf(" \n"); +} + static void cap_evendor(struct device *d, int where) { @@ -624,17 +817,19 @@ cap_l1pm(struct device *d, int where) FLAG(val, PCI_L1PM_SUBSTAT_CTL1_ASPM_L11)); if (l1_cap & PCI_L1PM_SUBSTAT_CAP_PM_L12 || l1_cap & PCI_L1PM_SUBSTAT_CAP_ASPM_L12) - printf("\t\t\t T_CommonMode=%dus", BITS(val, 8, 8)); - - if (l1_cap & PCI_L1PM_SUBSTAT_CAP_ASPM_L12) { - scale = BITS(val, 29, 3); - if (scale > 5) - printf(" LTR1.2_Threshold="); - else - printf(" LTR1.2_Threshold=%lldns", BITS(val, 16, 10) * (unsigned long long) cap_ltr_scale(scale)); + printf("\t\t\t T_CommonMode=%dus", BITS(val, 8, 8)); + + if (l1_cap & PCI_L1PM_SUBSTAT_CAP_ASPM_L12) + { + scale = BITS(val, 29, 3); + if (scale > 5) + printf(" LTR1.2_Threshold="); + else + printf(" LTR1.2_Threshold=%lldns", BITS(val, 16, 10) * (unsigned long long) cap_ltr_scale(scale)); + } + printf("\n"); } - printf("\n"); val = get_conf_long(d, where + PCI_L1PM_SUBSTAT_CTL2); printf("\t\tL1SubCtl2:"); @@ -708,6 +903,95 @@ cap_ptm(struct device *d, int where) } } +static void +print_rebar_range_size(int ld2_size) +{ + // This function prints the input as a power-of-2 size value + // It is biased with 1MB = 0, ... + // Maximum resizable BAR value supported is 2^63 bytes = 43 + // for the extended resizable BAR capability definition + // (otherwise it would stop at 2^28) + + if (ld2_size >= 0 && ld2_size < 10) + printf(" %dMB", (1 << ld2_size)); + else if (ld2_size >= 10 && ld2_size < 20) + printf(" %dGB", (1 << (ld2_size-10))); + else if (ld2_size >= 20 && ld2_size < 30) + printf(" %dTB", (1 << (ld2_size-20))); + else if (ld2_size >= 30 && ld2_size < 40) + printf(" %dPB", (1 << (ld2_size-30))); + else if (ld2_size >= 40 && ld2_size < 44) + printf(" %dEB", (1 << (ld2_size-40))); + else + printf(" "); +} + +static void +cap_rebar(struct device *d, int where, int virtual) +{ + u32 sizes_buffer, control_buffer, ext_sizes, current_size; + u16 bar_index, barcount, i; + // If the structure exists, at least one bar is defined + u16 num_bars = 1; + + printf("%s Resizable BAR\n", (virtual) ? "Virtual" : "Physical"); + + if (verbose < 2) + return; + + // Go through all defined BAR definitions of the caps, at minimum 1 + // (loop also terminates if num_bars read from caps is > 6) + for (barcount = 0; barcount < num_bars; barcount++) + { + where += 4; + + // Get the next BAR configuration + if (!config_fetch(d, where, 8)) + { + printf("\t\t\n"); + return; + } + + sizes_buffer = get_conf_long(d, where) >> 4; + where += 4; + control_buffer = get_conf_long(d, where); + + bar_index = BITS(control_buffer, 0, 3); + current_size = BITS(control_buffer, 8, 6); + ext_sizes = BITS(control_buffer, 16, 16); + + if (barcount == 0) + { + // Only index 0 controlreg has the num_bar count definition + num_bars = BITS(control_buffer, 5, 3); + if (num_bars < 1 || num_bars > 6) + { + printf("\t\t\n", num_bars); + break; + } + } + + // Resizable BAR list entry have an arbitrary index and current size + printf("\t\tBAR %d: current size:", bar_index); + print_rebar_range_size(current_size); + + if (sizes_buffer || ext_sizes) + { + printf(", supported:"); + + for (i=0; i<28; i++) + if (sizes_buffer & (1U << i)) + print_rebar_range_size(i); + + for (i=0; i<16; i++) + if (ext_sizes & (1U << i)) + print_rebar_range_size(i + 28); + } + + printf("\n"); + } +} + void show_ext_caps(struct device *d, int type) { @@ -762,14 +1046,14 @@ show_ext_caps(struct device *d, int type) case PCI_EXT_CAP_ID_RCILINK: printf("Root Complex Internal Link \n"); break; - case PCI_EXT_CAP_ID_RCECOLL: - printf("Root Complex Event Collector \n"); + case PCI_EXT_CAP_ID_RCEC: + cap_rcec(d, where); break; case PCI_EXT_CAP_ID_MFVC: printf("Multi-Function Virtual Channel \n"); break; - case PCI_EXT_CAP_ID_RBCB: - printf("Root Bridge Control Block \n"); + case PCI_EXT_CAP_ID_RCRB: + printf("Root Complex Register Block \n"); break; case PCI_EXT_CAP_ID_VNDR: cap_evendor(d, where); @@ -789,11 +1073,14 @@ show_ext_caps(struct device *d, int type) case PCI_EXT_CAP_ID_MRIOV: printf("Multi-Root I/O Virtualization \n"); break; + case PCI_EXT_CAP_ID_MCAST: + cap_multicast(d, where, type); + break; case PCI_EXT_CAP_ID_PRI: cap_pri(d, where); break; case PCI_EXT_CAP_ID_REBAR: - printf("Resizable BAR \n"); + cap_rebar(d, where, 0); break; case PCI_EXT_CAP_ID_DPA: printf("Dynamic Power Allocation \n"); @@ -805,7 +1092,7 @@ show_ext_caps(struct device *d, int type) cap_ltr(d, where); break; case PCI_EXT_CAP_ID_SECPCI: - printf("Secondary PCI Express \n"); + cap_sec(d, where); break; case PCI_EXT_CAP_ID_PMUX: printf("Protocol Multiplexing \n"); @@ -832,10 +1119,10 @@ show_ext_caps(struct device *d, int type) printf("Readiness Time Reporting \n"); break; case PCI_EXT_CAP_ID_DVSEC: - printf("Designated Vendor-Specific \n"); + cap_dvsec(d, where); break; case PCI_EXT_CAP_ID_VF_REBAR: - printf("VF Resizable BAR \n"); + cap_rebar(d, where, 1); break; case PCI_EXT_CAP_ID_DLNK: printf("Data Link Feature \n");