X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ls-ecaps.c;h=d8376dab199310cf442c4faf7e88e5d3a49aa897;hb=fe0df5d38149ae4303300eb429dd501a8bd7da3b;hp=4417cd9e1824bd552d4948214f5b289686b2a60c;hpb=6469d596a8b3c4e0eba1495a74788d5e80751da8;p=pciutils.git diff --git a/ls-ecaps.c b/ls-ecaps.c index 4417cd9..d8376da 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. */ @@ -67,29 +67,29 @@ cap_ltr(struct device *d, int where) snoop = get_conf_word(d, where + PCI_LTR_MAX_SNOOP); scale = cap_ltr_scale((snoop >> PCI_LTR_SCALE_SHIFT) & PCI_LTR_SCALE_MASK); - printf("\t\tMax snoop latency: %lldns\n", - ((unsigned long long)snoop & PCI_LTR_VALUE_MASK) * scale); + printf("\t\tMax snoop latency: %" PCI_U64_FMT_U "ns\n", + ((u64)snoop & PCI_LTR_VALUE_MASK) * scale); nosnoop = get_conf_word(d, where + PCI_LTR_MAX_NOSNOOP); scale = cap_ltr_scale((nosnoop >> PCI_LTR_SCALE_SHIFT) & PCI_LTR_SCALE_MASK); - printf("\t\tMax no snoop latency: %lldns\n", - ((unsigned long long)nosnoop & PCI_LTR_VALUE_MASK) * scale); + printf("\t\tMax no snoop latency: %" PCI_U64_FMT_U "ns\n", + ((u64)nosnoop & PCI_LTR_VALUE_MASK) * scale); } static void -cap_sec(struct device *d, int where, int type) +cap_sec(struct device *d, int where) { u32 ctrl3, lane_err_stat; u8 lane; printf("Secondary PCI Express\n"); - if (verbose < 2 && type == 0) + 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", + 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)); @@ -369,13 +369,13 @@ cap_sriov(struct device *d, int where) return; l = get_conf_long(d, where + PCI_IOV_CAP); - printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n", - FLAG(l, PCI_IOV_CAP_VFM), PCI_IOV_CAP_IMN(l)); + printf("\t\tIOVCap:\tMigration%c 10BitTagReq%c Interrupt Message Number: %03x\n", + FLAG(l, PCI_IOV_CAP_VFM), FLAG(l, PCI_IOV_CAP_VF_10BIT_TAG_REQ), PCI_IOV_CAP_IMN(l)); w = get_conf_word(d, where + PCI_IOV_CTRL); - printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n", + printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c 10BitTagReq%c\n", FLAG(w, PCI_IOV_CTRL_VFE), FLAG(w, PCI_IOV_CTRL_VFME), FLAG(w, PCI_IOV_CTRL_VFMIE), FLAG(w, PCI_IOV_CTRL_MSE), - FLAG(w, PCI_IOV_CTRL_ARI)); + FLAG(w, PCI_IOV_CTRL_ARI), FLAG(w, PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN)); w = get_conf_word(d, where + PCI_IOV_STATUS); printf("\t\tIOVSta:\tMigration%c\n", FLAG(w, PCI_IOV_STATUS_MS)); w = get_conf_word(d, where + PCI_IOV_INITIALVF); @@ -634,6 +634,282 @@ 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 +cxl_range(u64 base, u64 size, int n) +{ + u32 interleave[] = { 0, 256, 4096, 512, 1024, 2048, 8192, 16384 }; + const char *type[] = { "Volatile", "Non-volatile", "CDAT" }; + const char *class[] = { "DRAM", "Storage", "CDAT" }; + u16 w; + + w = (u16) size; + + size &= ~0x0fffffffULL; + + printf("\t\tRange%d: %016"PCI_U64_FMT_X"-%016"PCI_U64_FMT_X"\n", n, base, base + size - 1); + printf("\t\t\tValid%c Active%c Type=%s Class=%s interleave=%d timeout=%ds\n", + FLAG(w, PCI_CXL_RANGE_VALID), FLAG(w, PCI_CXL_RANGE_ACTIVE), + type[PCI_CXL_RANGE_TYPE(w)], class[PCI_CXL_RANGE_CLASS(w)], + interleave[PCI_CXL_RANGE_INTERLEAVE(w)], + 1 << (PCI_CXL_RANGE_TIMEOUT(w) * 2)); +} + +static void +dvsec_cxl_device(struct device *d, int where, int rev) +{ + u32 cache_size, cache_unit_size, l; + u64 range_base, range_size; + u16 w; + + /* Legacy 1.1 revs aren't handled */ + if (rev < 1) + return; + + w = get_conf_word(d, where + PCI_CXL_DEV_CAP); + printf("\t\tCXLCap:\tCache%c IO%c Mem%c Mem HW Init%c HDMCount %d Viral%c\n", + FLAG(w, PCI_CXL_DEV_CAP_CACHE), FLAG(w, PCI_CXL_DEV_CAP_IO), FLAG(w, PCI_CXL_DEV_CAP_MEM), + FLAG(w, PCI_CXL_DEV_CAP_MEM_HWINIT), PCI_CXL_DEV_CAP_HDM_CNT(w), FLAG(w, PCI_CXL_DEV_CAP_VIRAL)); + + w = get_conf_word(d, where + PCI_CXL_DEV_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(w, PCI_CXL_DEV_CTRL_CACHE), FLAG(w, PCI_CXL_DEV_CTRL_IO), FLAG(w, PCI_CXL_DEV_CTRL_MEM), + PCI_CXL_DEV_CTRL_CACHE_SF_COV(w), PCI_CXL_DEV_CTRL_CACHE_SF_GRAN(w), FLAG(w, PCI_CXL_DEV_CTRL_CACHE_CLN), + FLAG(w, PCI_CXL_DEV_CTRL_VIRAL)); + + w = get_conf_word(d, where + PCI_CXL_DEV_STATUS); + printf("\t\tCXLSta:\tViral%c\n", FLAG(w, PCI_CXL_DEV_STATUS_VIRAL)); + + w = get_conf_word(d, where + PCI_CXL_DEV_STATUS2); + printf("\t\tCXLSta2:\tResetComplete%c ResetError%c PMComplete%c\n", + FLAG(w, PCI_CXL_DEV_STATUS_RC), FLAG(w,PCI_CXL_DEV_STATUS_RE), FLAG(w, PCI_CXL_DEV_STATUS_PMC)); + + w = get_conf_word(d, where + PCI_CXL_DEV_CAP2); + cache_unit_size = BITS(w, 0, 4); + cache_size = BITS(w, 8, 8); + switch (cache_unit_size) + { + case PCI_CXL_DEV_CAP2_CACHE_1M: + printf("\t\tCache Size: %08x\n", cache_size * (1<<20)); + break; + case PCI_CXL_DEV_CAP2_CACHE_64K: + printf("\t\tCache Size: %08x\n", cache_size * (64<<10)); + break; + case PCI_CXL_DEV_CAP2_CACHE_UNK: + printf("\t\tCache Size Not Reported\n"); + break; + default: + printf("\t\tCache Size: %d of unknown unit size (%d)\n", cache_size, cache_unit_size); + break; + } + + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_HI); + range_size = (u64) l << 32; + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_LO); + range_size |= l; + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_HI); + range_base = (u64) l << 32; + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_LO); + range_base |= l; + cxl_range(range_base, range_size, 1); + + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_HI); + range_size = (u64) l << 32; + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_LO); + range_size |= l; + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_HI); + range_base = (u64) l << 32; + l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_LO); + range_base |= l; + cxl_range(range_base, range_size, 2); +} + +static void +dvsec_cxl_port(struct device *d, int where) +{ + u16 w, m1, m2; + u8 b1, b2; + + w = get_conf_word(d, where + PCI_CXL_PORT_EXT_STATUS); + printf("\t\tCXLPortSta:\tPMComplete%c\n", FLAG(w, PCI_CXL_PORT_EXT_STATUS)); + + w = get_conf_word(d, where + PCI_CXL_PORT_CTRL); + printf("\t\tCXLPortCtl:\tUnmaskSBR%c UnmaskLinkDisable%c AltMem%c AltBME%c ViralEnable%c\n", + FLAG(w, PCI_CXL_PORT_UNMASK_SBR), FLAG(w, PCI_CXL_PORT_UNMASK_LINK), + FLAG(w, PCI_CXL_PORT_ALT_MEMORY), FLAG(w, PCI_CXL_PORT_ALT_BME), + FLAG(w, PCI_CXL_PORT_VIRAL_EN)); + + b1 = get_conf_byte(d, where + PCI_CXL_PORT_ALT_BUS_BASE); + b2 = get_conf_byte(d, where + PCI_CXL_PORT_ALT_BUS_LIMIT); + printf("\t\tAlternateBus:\t%02x-%02x\n", b1, b2); + m1 = get_conf_word(d, where + PCI_CXL_PORT_ALT_MEM_BASE); + m2 = get_conf_word(d, where + PCI_CXL_PORT_ALT_MEM_LIMIT); + printf("\t\tAlternateBus:\t%04x-%04x\n", m1, m2); +} + +static const char *id[] = { + "empty", + "component registers", + "BAR virtualization", + "CXL device registers"}; + +static inline void +dvsec_decode_block(uint32_t lo, uint32_t hi, char which) +{ + u64 base_hi = hi, base_lo; + u8 bir, block_id; + + bir = BITS(lo, 0, 3); + block_id = BITS(lo, 8, 8); + base_lo = BITS(lo, 16, 16); + + if (!block_id) + return; + + printf("\t\tBlock%c\tBIR: bar%d\tID: %s\n", which, bir, id[block_id]); + printf("\t\t\tRegisterOffset: %016" PCI_U64_FMT_X "\n", (base_hi << 32ULL) | base_lo << 16); +} + +static void +dvsec_cxl_register_locator(struct device *d, int where, int len) +{ + int i, j; + + for (i = 0xc, j = 1; i < len; i += 8, j++) { + dvsec_decode_block(get_conf_long(d, where + i), get_conf_long(d, where + i + 4), j + 0x31); + } +} + +static void +cap_dvsec_cxl(struct device *d, int id, int where) +{ + u16 len; + u8 rev; + + printf(": CXL\n"); + if (verbose < 2) + return; + + rev = BITS(get_conf_byte(d, where + 0x6), 0, 4); + + switch (id) { + case 0: + if (!config_fetch(d, where, PCI_CXL_DEV_LEN)) + return; + + dvsec_cxl_device(d, where, rev); + break; + case 3: + if (!config_fetch(d, where, PCI_CXL_PORT_EXT_LEN)) + return; + + dvsec_cxl_port(d, where); + break; + case 8: + len = BITS(get_conf_word(d, where + 0x6), 4, 12); + if (!config_fetch(d, where, len)) + return; + + dvsec_cxl_register_locator(d, where, len); + break; + case 2: + printf("\t\tNon-CXL Function Map DVSEC\n"); + break; + case 4: + printf("\t\tGPF DVSEC for Port\n"); + break; + case 5: + printf("\t\tGPF DVSEC for Device\n"); + break; + case 7: + printf("\t\tPCIe DVSEC Flex Bus Port\n"); + break; + case 9: + printf("\t\tMLD DVSEC\n"); + break; + default: + break; + } +} + +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 && len >= 16) + cap_dvsec_cxl(d, id, where); + else + printf(" \n"); +} + static void cap_evendor(struct device *d, int where) { @@ -720,7 +996,7 @@ cap_l1pm(struct device *d, int where) 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(" LTR1.2_Threshold=%" PCI_U64_FMT_U "ns", BITS(val, 16, 10) * (u64) cap_ltr_scale(scale)); } printf("\n"); } @@ -797,6 +1073,130 @@ 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"); + } +} + +static void +cap_doe(struct device *d, int where) +{ + u32 l; + + printf("Data Object Exchange\n"); + + if (verbose < 2) + return; + + if (!config_fetch(d, where + PCI_DOE_CAP, 0x14)) + { + printf("\t\t\n"); + return; + } + + l = get_conf_long(d, where + PCI_DOE_CAP); + printf("\t\tDOECap: IntSup%c\n", + FLAG(l, PCI_DOE_CAP_INT_SUPP)); + if (l & PCI_DOE_CAP_INT_SUPP) + printf("\t\t\tInterrupt Message Number %03x\n", + PCI_DOE_CAP_INT_MSG(l)); + + l = get_conf_long(d, where + PCI_DOE_CTL); + printf("\t\tDOECtl: IntEn%c\n", + FLAG(l, PCI_DOE_CTL_INT)); + + l = get_conf_long(d, where + PCI_DOE_STS); + printf("\t\tDOESta: Busy%c IntSta%c Error%c ObjectReady%c\n", + FLAG(l, PCI_DOE_STS_BUSY), + FLAG(l, PCI_DOE_STS_INT), + FLAG(l, PCI_DOE_STS_ERROR), + FLAG(l, PCI_DOE_STS_OBJECT_READY)); +} + void show_ext_caps(struct device *d, int type) { @@ -811,7 +1211,7 @@ show_ext_caps(struct device *d, int type) if (!config_fetch(d, where, 4)) break; header = get_conf_long(d, where); - if (!header) + if (!header || header == 0xffffffff) break; id = header & 0xffff; version = (header >> 16) & 0xf; @@ -851,8 +1251,8 @@ 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"); @@ -885,7 +1285,7 @@ show_ext_caps(struct device *d, int type) 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"); @@ -897,7 +1297,7 @@ show_ext_caps(struct device *d, int type) cap_ltr(d, where); break; case PCI_EXT_CAP_ID_SECPCI: - cap_sec(d, where, type); + cap_sec(d, where); break; case PCI_EXT_CAP_ID_PMUX: printf("Protocol Multiplexing \n"); @@ -924,10 +1324,10 @@ 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"); @@ -944,6 +1344,9 @@ show_ext_caps(struct device *d, int type) case PCI_EXT_CAP_ID_NPEM: printf("Native PCIe Enclosure Management \n"); break; + case PCI_EXT_CAP_ID_DOE: + cap_doe(d, where); + break; default: printf("Extended Capability ID %#02x\n", id); break;