X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ls-caps.c;h=a481b16b8578a9e717954be8629c07244d15e04b;hb=4c2b4b1bfa348ea22a22f4ca271bc13096ab3e78;hp=a5a5ba80e1b158579fdb37b4a942205dc62e345b;hpb=7155d5104506e6459bb751f073a48eded9afae99;p=pciutils.git diff --git a/ls-caps.c b/ls-caps.c index a5a5ba8..a481b16 100644 --- a/ls-caps.c +++ b/ls-caps.c @@ -44,8 +44,8 @@ cap_pm(struct device *d, int where, int cap) b = get_conf_byte(d, where + PCI_PM_PPB_EXTENSIONS); if (b) printf("\t\tBridge: PM%c B3%c\n", - FLAG(t, PCI_PM_BPCC_ENABLE), - FLAG(~t, PCI_PM_PPB_B2_B3)); + FLAG(b, PCI_PM_BPCC_ENABLE), + FLAG(~b, PCI_PM_PPB_B2_B3)); } static void @@ -578,7 +578,7 @@ cap_ht(struct device *d, int where, int cmd) break; offl = get_conf_long(d, where + PCI_HT_MSIM_ADDR_LO); offh = get_conf_long(d, where + PCI_HT_MSIM_ADDR_HI); - printf("\t\tMapping Address Base: %016llx\n", ((unsigned long long)offh << 32) | (offl & ~0xfffff)); + printf("\t\tMapping Address Base: %016" PCI_U64_FMT_X "\n", ((u64)offh << 32) | (offl & ~0xfffff)); } break; case PCI_HT_CMD_TYP_DR: @@ -649,10 +649,27 @@ cap_msi(struct device *d, int where, int cap) } } -static float power_limit(int value, int scale) +static int exp_downstream_port(int type) +{ + return type == PCI_EXP_TYPE_ROOT_PORT || + type == PCI_EXP_TYPE_DOWNSTREAM || + type == PCI_EXP_TYPE_PCIE_BRIDGE; /* PCI/PCI-X to PCIe Bridge */ +} + +static void show_power_limit(int value, int scale) { static const float scales[4] = { 1.0, 0.1, 0.01, 0.001 }; - return value * scales[scale]; + + if (scale == 0 && value == 0xFF) + { + printf(">600W"); + return; + } + + if (scale == 0 && value >= 0xF0 && value <= 0xFE) + value = 250 + 25 * (value - 0xF0); + + printf("%gW", value * scales[scale]); } static const char *latency_l0s(int value) @@ -689,14 +706,15 @@ static void cap_express_dev(struct device *d, int where, int type) FLAG(t, PCI_EXP_DEVCAP_ATN_IND), FLAG(t, PCI_EXP_DEVCAP_PWR_IND)); printf(" RBE%c", FLAG(t, PCI_EXP_DEVCAP_RBE)); - if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END)) + if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) || (type == PCI_EXP_TYPE_ROOT_INT_EP)) printf(" FLReset%c", FLAG(t, PCI_EXP_DEVCAP_FLRESET)); if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_UPSTREAM) || (type == PCI_EXP_TYPE_PCI_BRIDGE)) - printf(" SlotPowerLimit %.3fW", - power_limit((t & PCI_EXP_DEVCAP_PWR_VAL) >> 18, - (t & PCI_EXP_DEVCAP_PWR_SCL) >> 26)); + { + printf(" SlotPowerLimit "); + show_power_limit((t & PCI_EXP_DEVCAP_PWR_VAL) >> 18, (t & PCI_EXP_DEVCAP_PWR_SCL) >> 26); + } printf("\n"); w = get_conf_word(d, where + PCI_EXP_DEVCTL); @@ -713,7 +731,7 @@ static void cap_express_dev(struct device *d, int where, int type) FLAG(w, PCI_EXP_DEVCTL_NOSNOOP)); if (type == PCI_EXP_TYPE_PCI_BRIDGE) printf(" BrConfRtry%c", FLAG(w, PCI_EXP_DEVCTL_BCRE)); - if (((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END)) && + if (((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) || (type == PCI_EXP_TYPE_ROOT_INT_EP)) && (t & PCI_EXP_DEVCAP_FLRESET)) printf(" FLReset%c", FLAG(w, PCI_EXP_DEVCTL_FLRESET)); printf("\n\t\t\tMaxPayload %d bytes, MaxReadReq %d bytes\n", @@ -742,18 +760,25 @@ static char *link_speed(int speed) return "8GT/s"; case 4: return "16GT/s"; + case 5: + return "32GT/s"; + case 6: + return "64GT/s"; default: return "unknown"; } } -static char *link_compare(int sta, int cap) +static char *link_compare(int type, int sta, int cap) { - if (sta < cap) - return "downgraded"; if (sta > cap) - return "strange"; - return "ok"; + return " (overdriven)"; + if (sta == cap) + return ""; + if ((type == PCI_EXP_TYPE_ROOT_PORT) || (type == PCI_EXP_TYPE_DOWNSTREAM) || + (type == PCI_EXP_TYPE_PCIE_BRIDGE)) + return ""; + return " (downgraded)"; } static char *aspm_support(int code) @@ -813,7 +838,7 @@ static void cap_express_link(struct device *d, int where, int type) printf("\t\tLnkCtl:\tASPM %s;", aspm_enabled(w & PCI_EXP_LNKCTL_ASPM)); if ((type == PCI_EXP_TYPE_ROOT_PORT) || (type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) || (type == PCI_EXP_TYPE_PCI_BRIDGE)) - printf(" RCB %d bytes", w & PCI_EXP_LNKCTL_RCB ? 128 : 64); + printf(" RCB %d bytes,", w & PCI_EXP_LNKCTL_RCB ? 128 : 64); printf(" Disabled%c CommClk%c\n\t\t\tExtSynch%c ClockPM%c AutWidDis%c BWInt%c AutBWInt%c\n", FLAG(w, PCI_EXP_LNKCTL_DISABLE), FLAG(w, PCI_EXP_LNKCTL_CLOCK), @@ -826,11 +851,11 @@ static void cap_express_link(struct device *d, int where, int type) w = get_conf_word(d, where + PCI_EXP_LNKSTA); sta_speed = w & PCI_EXP_LNKSTA_SPEED; sta_width = (w & PCI_EXP_LNKSTA_WIDTH) >> 4; - printf("\t\tLnkSta:\tSpeed %s (%s), Width x%d (%s)\n", + printf("\t\tLnkSta:\tSpeed %s%s, Width x%d%s\n", link_speed(sta_speed), - link_compare(sta_speed, cap_speed), + link_compare(type, sta_speed, cap_speed), sta_width, - link_compare(sta_width, cap_width)); + link_compare(type, sta_width, cap_width)); printf("\t\t\tTrErr%c Train%c SlotClk%c DLActive%c BWMgmt%c ABWMgmt%c\n", FLAG(w, PCI_EXP_LNKSTA_TR_ERR), FLAG(w, PCI_EXP_LNKSTA_TRAIN), @@ -860,9 +885,10 @@ static void cap_express_slot(struct device *d, int where) FLAG(t, PCI_EXP_SLTCAP_PWRI), FLAG(t, PCI_EXP_SLTCAP_HPC), FLAG(t, PCI_EXP_SLTCAP_HPS)); - printf("\t\t\tSlot #%d, PowerLimit %.3fW; Interlock%c NoCompl%c\n", - (t & PCI_EXP_SLTCAP_PSN) >> 19, - power_limit((t & PCI_EXP_SLTCAP_PWR_VAL) >> 7, (t & PCI_EXP_SLTCAP_PWR_SCL) >> 15), + printf("\t\t\tSlot #%d, PowerLimit ", + (t & PCI_EXP_SLTCAP_PSN) >> 19); + show_power_limit((t & PCI_EXP_SLTCAP_PWR_VAL) >> 7, (t & PCI_EXP_SLTCAP_PWR_SCL) >> 15); + printf("; Interlock%c NoCompl%c\n", FLAG(t, PCI_EXP_SLTCAP_INTERLOCK), FLAG(t, PCI_EXP_SLTCAP_NOCMDCOMP)); @@ -897,7 +923,13 @@ static void cap_express_slot(struct device *d, int where) static void cap_express_root(struct device *d, int where) { - u32 w = get_conf_word(d, where + PCI_EXP_RTCTL); + u32 w; + + w = get_conf_word(d, where + PCI_EXP_RTCAP); + printf("\t\tRootCap: CRSVisible%c\n", + FLAG(w, PCI_EXP_RTCAP_CRSVIS)); + + w = get_conf_word(d, where + PCI_EXP_RTCTL); printf("\t\tRootCtl: ErrCorrectable%c ErrNon-Fatal%c ErrFatal%c PMEIntEna%c CRSVisible%c\n", FLAG(w, PCI_EXP_RTCTL_SECEE), FLAG(w, PCI_EXP_RTCTL_SENFEE), @@ -905,10 +937,6 @@ static void cap_express_root(struct device *d, int where) FLAG(w, PCI_EXP_RTCTL_PMEIE), FLAG(w, PCI_EXP_RTCTL_CRSVIS)); - w = get_conf_word(d, where + PCI_EXP_RTCAP); - printf("\t\tRootCap: CRSVisible%c\n", - FLAG(w, PCI_EXP_RTCAP_CRSVIS)); - w = get_conf_long(d, where + PCI_EXP_RTSTA); printf("\t\tRootSta: PME ReqID %04x, PMEStatus%c PMEPending%c\n", w & PCI_EXP_RTSTA_PME_REQID, @@ -985,6 +1013,52 @@ static const char *cap_express_devcap2_obff(int obff) } } +static const char *cap_express_devcap2_epr(int epr) +{ + switch (epr) + { + case 1: + return "Dev Specific"; + case 2: + return "Form Factor Dev Specific"; + case 3: + return "Reserved"; + default: + return "Not Supported"; + } +} + +static const char *cap_express_devcap2_lncls(int lncls) +{ + switch (lncls) + { + case 1: + return "64byte cachelines"; + case 2: + return "128byte cachelines"; + case 3: + return "Reserved"; + default: + return "Not Supported"; + } +} + +static const char *cap_express_devcap2_tphcomp(int tph) +{ + switch (tph) + { + case 1: + return "TPHComp+ ExtTPHComp-"; + case 2: + /* Reserved; intentionally left blank */ + return ""; + case 3: + return "TPHComp+ ExtTPHComp+"; + default: + return "TPHComp- ExtTPHComp-"; + } +} + static const char *cap_express_devctl2_obff(int obff) { switch (obff) @@ -1009,7 +1083,7 @@ device_has_memory_space_bar(struct device *d) int i, found = 0; for (i=0; i<6; i++) - if (p->base_addr[i] && p->size[i]) + if (p->base_addr[i] || p->size[i]) { if (!(p->base_addr[i] & PCI_BASE_ADDRESS_SPACE_IO)) { @@ -1027,13 +1101,38 @@ static void cap_express_dev2(struct device *d, int where, int type) int has_mem_bar = device_has_memory_space_bar(d); l = get_conf_long(d, where + PCI_EXP_DEVCAP2); - printf("\t\tDevCap2: Completion Timeout: %s, TimeoutDis%c, LTR%c, OBFF %s", - cap_express_dev2_timeout_range(PCI_EXP_DEV2_TIMEOUT_RANGE(l)), - FLAG(l, PCI_EXP_DEV2_TIMEOUT_DIS), - FLAG(l, PCI_EXP_DEVCAP2_LTR), - cap_express_devcap2_obff(PCI_EXP_DEVCAP2_OBFF(l))); + printf("\t\tDevCap2: Completion Timeout: %s, TimeoutDis%c NROPrPrP%c LTR%c", + cap_express_dev2_timeout_range(PCI_EXP_DEVCAP2_TIMEOUT_RANGE(l)), + FLAG(l, PCI_EXP_DEVCAP2_TIMEOUT_DIS), + FLAG(l, PCI_EXP_DEVCAP2_NROPRPRP), + FLAG(l, PCI_EXP_DEVCAP2_LTR)); + printf("\n\t\t\t 10BitTagComp%c 10BitTagReq%c OBFF %s, ExtFmt%c EETLPPrefix%c", + FLAG(l, PCI_EXP_DEVCAP2_10BIT_TAG_COMP), + FLAG(l, PCI_EXP_DEVCAP2_10BIT_TAG_REQ), + cap_express_devcap2_obff(PCI_EXP_DEVCAP2_OBFF(l)), + FLAG(l, PCI_EXP_DEVCAP2_EXTFMT), + FLAG(l, PCI_EXP_DEVCAP2_EE_TLP)); + + if (PCI_EXP_DEVCAP2_EE_TLP == (l & PCI_EXP_DEVCAP2_EE_TLP)) + { + printf(", MaxEETLPPrefixes %d", + PCI_EXP_DEVCAP2_MEE_TLP(l) ? PCI_EXP_DEVCAP2_MEE_TLP(l) : 4); + } + + printf("\n\t\t\t EmergencyPowerReduction %s, EmergencyPowerReductionInit%c", + cap_express_devcap2_epr(PCI_EXP_DEVCAP2_EPR(l)), + FLAG(l, PCI_EXP_DEVCAP2_EPR_INIT)); + printf("\n\t\t\t FRS%c", FLAG(l, PCI_EXP_DEVCAP2_FRS)); + + if (type == PCI_EXP_TYPE_ROOT_PORT) + printf(" LN System CLS %s,", + cap_express_devcap2_lncls(PCI_EXP_DEVCAP2_LN_CLS(l))); + + if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ENDPOINT) + printf(" %s", cap_express_devcap2_tphcomp(PCI_EXP_DEVCAP2_TPH_COMP(l))); + if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM) - printf(" ARIFwd%c\n", FLAG(l, PCI_EXP_DEV2_ARI)); + printf(" ARIFwd%c\n", FLAG(l, PCI_EXP_DEVCAP2_ARI)); else printf("\n"); if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_UPSTREAM || @@ -1052,13 +1151,14 @@ static void cap_express_dev2(struct device *d, int where, int type) } w = get_conf_word(d, where + PCI_EXP_DEVCTL2); - printf("\t\tDevCtl2: Completion Timeout: %s, TimeoutDis%c, LTR%c, OBFF %s", - cap_express_dev2_timeout_value(PCI_EXP_DEV2_TIMEOUT_VALUE(w)), - FLAG(w, PCI_EXP_DEV2_TIMEOUT_DIS), - FLAG(w, PCI_EXP_DEV2_LTR), - cap_express_devctl2_obff(PCI_EXP_DEV2_OBFF(w))); + printf("\t\tDevCtl2: Completion Timeout: %s, TimeoutDis%c LTR%c 10BitTagReq%c OBFF %s,", + cap_express_dev2_timeout_value(PCI_EXP_DEVCTL2_TIMEOUT_VALUE(w)), + FLAG(w, PCI_EXP_DEVCTL2_TIMEOUT_DIS), + FLAG(w, PCI_EXP_DEVCTL2_LTR), + FLAG(w, PCI_EXP_DEVCTL2_10BIT_TAG_REQ), + cap_express_devctl2_obff(PCI_EXP_DEVCTL2_OBFF(w))); if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM) - printf(" ARIFwd%c\n", FLAG(w, PCI_EXP_DEV2_ARI)); + printf(" ARIFwd%c\n", FLAG(w, PCI_EXP_DEVCTL2_ARI)); else printf("\n"); if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_UPSTREAM || @@ -1068,14 +1168,37 @@ static void cap_express_dev2(struct device *d, int where, int type) printf("\t\t\t AtomicOpsCtl:"); if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ENDPOINT || type == PCI_EXP_TYPE_ROOT_INT_EP || type == PCI_EXP_TYPE_LEG_END) - printf(" ReqEn%c", FLAG(w, PCI_EXP_DEV2_ATOMICOP_REQUESTER_EN)); + printf(" ReqEn%c", FLAG(w, PCI_EXP_DEVCTL2_ATOMICOP_REQUESTER_EN)); if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_UPSTREAM || type == PCI_EXP_TYPE_DOWNSTREAM) - printf(" EgressBlck%c", FLAG(w, PCI_EXP_DEV2_ATOMICOP_EGRESS_BLOCK)); + printf(" EgressBlck%c", FLAG(w, PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK)); printf("\n"); } } +static const char *cap_express_link2_speed_cap(int vector) +{ + /* + * Per PCIe r5.0, sec 8.2.1, a device must support 2.5GT/s and is not + * permitted to skip support for any data rates between 2.5GT/s and the + * highest supported rate. + */ + if (vector & 0x60) + return "RsvdP"; + if (vector & 0x10) + return "2.5-32GT/s"; + if (vector & 0x08) + return "2.5-16GT/s"; + if (vector & 0x04) + return "2.5-8GT/s"; + if (vector & 0x02) + return "2.5-5GT/s"; + if (vector & 0x01) + return "2.5GT/s"; + + return "Unknown"; +} + static const char *cap_express_link2_speed(int type) { switch (type) @@ -1089,6 +1212,10 @@ static const char *cap_express_link2_speed(int type) return "8GT/s"; case 4: return "16GT/s"; + case 5: + return "32GT/s"; + case 6: + return "64GT/s"; default: return "Unknown"; } @@ -1107,6 +1234,35 @@ static const char *cap_express_link2_deemphasis(int type) } } +static const char *cap_express_link2_compliance_preset(int type) +{ + switch (type) + { + case 0: + return "-6dB de-emphasis, 0dB preshoot"; + case 1: + return "-3.5dB de-emphasis, 0dB preshoot"; + case 2: + return "-4.4dB de-emphasis, 0dB preshoot"; + case 3: + return "-2.5dB de-emphasis, 0dB preshoot"; + case 4: + return "0dB de-emphasis, 0dB preshoot"; + case 5: + return "0dB de-emphasis, 1.9dB preshoot"; + case 6: + return "0dB de-emphasis, 2.5dB preshoot"; + case 7: + return "-6.0dB de-emphasis, 3.5dB preshoot"; + case 8: + return "-3.5dB de-emphasis, 3.5dB preshoot"; + case 9: + return "0dB de-emphasis, 3.5dB preshoot"; + default: + return "Unknown"; + } +} + static const char *cap_express_link2_transmargin(int type) { switch (type) @@ -1125,12 +1281,59 @@ static const char *cap_express_link2_transmargin(int type) } } +static const char *cap_express_link2_crosslink_res(int crosslink) +{ + switch (crosslink) + { + case 0: + return "unsupported"; + case 1: + return "Upstream Port"; + case 2: + return "Downstream Port"; + default: + return "incomplete"; + } +} + +static const char *cap_express_link2_component(int presence) +{ + switch (presence) + { + case 0: + return "Link Down - Not Determined"; + case 1: + return "Link Down - Not Present"; + case 2: + return "Link Down - Present"; + case 4: + return "Link Up - Present"; + case 5: + return "Link Up - Present and DRS Received"; + default: + return "Reserved"; + } +} + static void cap_express_link2(struct device *d, int where, int type) { + u32 l = 0; u16 w; if (!((type == PCI_EXP_TYPE_ENDPOINT || type == PCI_EXP_TYPE_LEG_END) && (d->dev->dev != 0 || d->dev->func != 0))) { + /* Link Capabilities 2 was reserved before PCIe r3.0 */ + l = get_conf_long(d, where + PCI_EXP_LNKCAP2); + if (l) { + printf("\t\tLnkCap2: Supported Link Speeds: %s, Crosslink%c " + "Retimer%c 2Retimers%c DRS%c\n", + cap_express_link2_speed_cap(PCI_EXP_LNKCAP2_SPEED(l)), + FLAG(l, PCI_EXP_LNKCAP2_CROSSLINK), + FLAG(l, PCI_EXP_LNKCAP2_RETIMER), + FLAG(l, PCI_EXP_LNKCAP2_2RETIMERS), + FLAG(l, PCI_EXP_LNKCAP2_DRS)); + } + w = get_conf_word(d, where + PCI_EXP_LNKCTL2); printf("\t\tLnkCtl2: Target Link Speed: %s, EnterCompliance%c SpeedDis%c", cap_express_link2_speed(PCI_EXP_LNKCTL2_SPEED(w)), @@ -1141,22 +1344,34 @@ static void cap_express_link2(struct device *d, int where, int type) cap_express_link2_deemphasis(PCI_EXP_LNKCTL2_DEEMPHASIS(w))); printf("\n" "\t\t\t Transmit Margin: %s, EnterModifiedCompliance%c ComplianceSOS%c\n" - "\t\t\t Compliance De-emphasis: %s\n", + "\t\t\t Compliance Preset/De-emphasis: %s\n", cap_express_link2_transmargin(PCI_EXP_LNKCTL2_MARGIN(w)), FLAG(w, PCI_EXP_LNKCTL2_MOD_CMPLNC), FLAG(w, PCI_EXP_LNKCTL2_CMPLNC_SOS), - cap_express_link2_deemphasis(PCI_EXP_LNKCTL2_COM_DEEMPHASIS(w))); + cap_express_link2_compliance_preset(PCI_EXP_LNKCTL2_COM_DEEMPHASIS(w))); } w = get_conf_word(d, where + PCI_EXP_LNKSTA2); - printf("\t\tLnkSta2: Current De-emphasis Level: %s, EqualizationComplete%c, EqualizationPhase1%c\n" - "\t\t\t EqualizationPhase2%c, EqualizationPhase3%c, LinkEqualizationRequest%c\n", + printf("\t\tLnkSta2: Current De-emphasis Level: %s, EqualizationComplete%c EqualizationPhase1%c\n" + "\t\t\t EqualizationPhase2%c EqualizationPhase3%c LinkEqualizationRequest%c\n" + "\t\t\t Retimer%c 2Retimers%c CrosslinkRes: %s", cap_express_link2_deemphasis(PCI_EXP_LINKSTA2_DEEMPHASIS(w)), FLAG(w, PCI_EXP_LINKSTA2_EQU_COMP), FLAG(w, PCI_EXP_LINKSTA2_EQU_PHASE1), FLAG(w, PCI_EXP_LINKSTA2_EQU_PHASE2), FLAG(w, PCI_EXP_LINKSTA2_EQU_PHASE3), - FLAG(w, PCI_EXP_LINKSTA2_EQU_REQ)); + FLAG(w, PCI_EXP_LINKSTA2_EQU_REQ), + FLAG(w, PCI_EXP_LINKSTA2_RETIMER), + FLAG(w, PCI_EXP_LINKSTA2_2RETIMERS), + cap_express_link2_crosslink_res(PCI_EXP_LINKSTA2_CROSSLINK(w))); + + if (exp_downstream_port(type) && (l & PCI_EXP_LNKCAP2_DRS)) { + printf(", DRS%c\n" + "\t\t\t DownstreamComp: %s\n", + FLAG(w, PCI_EXP_LINKSTA2_DRS_RCVD), + cap_express_link2_component(PCI_EXP_LINKSTA2_COMPONENT(w))); + } else + printf("\n"); } static void cap_express_slot2(struct device *d UNUSED, int where UNUSED)