/* * The PCI Utilities -- Show Extended Capabilities * * Copyright (c) 1997--2022 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ #include #include #include "lspci.h" static void cap_tph(struct device *d, int where) { u32 tph_cap; printf("Transaction Processing Hints\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_TPH_CAPABILITIES, 4)) return; tph_cap = get_conf_long(d, where + PCI_TPH_CAPABILITIES); if (tph_cap & PCI_TPH_INTVEC_SUP) printf("\t\tInterrupt vector mode supported\n"); if (tph_cap & PCI_TPH_DEV_SUP) printf("\t\tDevice specific mode supported\n"); if (tph_cap & PCI_TPH_EXT_REQ_SUP) printf("\t\tExtended requester support\n"); switch (tph_cap & PCI_TPH_ST_LOC_MASK) { case PCI_TPH_ST_NONE: printf("\t\tNo steering table available\n"); break; case PCI_TPH_ST_CAP: printf("\t\tSteering table in TPH capability structure\n"); break; case PCI_TPH_ST_MSIX: printf("\t\tSteering table in MSI-X table\n"); break; default: printf("\t\tReserved steering table location\n"); break; } } static u32 cap_ltr_scale(u8 scale) { return 1 << (scale * 5); } static void cap_ltr(struct device *d, int where) { u32 scale; u16 snoop, nosnoop; printf("Latency Tolerance Reporting\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_LTR_MAX_SNOOP, 4)) return; 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: %" 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: %" PCI_U64_FMT_U "ns\n", ((u64)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) { u32 t1, t2; if (!config_fetch(d, where + 4, 8)) return; t1 = get_conf_long(d, where + 4); t2 = get_conf_long(d, where + 8); printf("Device Serial Number %02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\n", t2 >> 24, (t2 >> 16) & 0xff, (t2 >> 8) & 0xff, t2 & 0xff, t1 >> 24, (t1 >> 16) & 0xff, (t1 >> 8) & 0xff, t1 & 0xff); } static void cap_aer(struct device *d, int where, int type) { u32 l, l0, l1, l2, l3; u16 w; printf("Advanced Error Reporting\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_ERR_UNCOR_STATUS, 40)) return; l = get_conf_long(d, where + PCI_ERR_UNCOR_STATUS); printf("\t\tUESta:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c " "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n", FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP), FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT), FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP), FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL)); l = get_conf_long(d, where + PCI_ERR_UNCOR_MASK); printf("\t\tUEMsk:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c " "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n", FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP), FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT), FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP), FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL)); l = get_conf_long(d, where + PCI_ERR_UNCOR_SEVER); printf("\t\tUESvrt:\tDLP%c SDES%c TLP%c FCP%c CmpltTO%c CmpltAbrt%c UnxCmplt%c RxOF%c " "MalfTLP%c ECRC%c UnsupReq%c ACSViol%c\n", FLAG(l, PCI_ERR_UNC_DLP), FLAG(l, PCI_ERR_UNC_SDES), FLAG(l, PCI_ERR_UNC_POISON_TLP), FLAG(l, PCI_ERR_UNC_FCP), FLAG(l, PCI_ERR_UNC_COMP_TIME), FLAG(l, PCI_ERR_UNC_COMP_ABORT), FLAG(l, PCI_ERR_UNC_UNX_COMP), FLAG(l, PCI_ERR_UNC_RX_OVER), FLAG(l, PCI_ERR_UNC_MALF_TLP), FLAG(l, PCI_ERR_UNC_ECRC), FLAG(l, PCI_ERR_UNC_UNSUP), FLAG(l, PCI_ERR_UNC_ACS_VIOL)); l = get_conf_long(d, where + PCI_ERR_COR_STATUS); printf("\t\tCESta:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c AdvNonFatalErr%c\n", FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP), FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE)); l = get_conf_long(d, where + PCI_ERR_COR_MASK); printf("\t\tCEMsk:\tRxErr%c BadTLP%c BadDLLP%c Rollover%c Timeout%c AdvNonFatalErr%c\n", FLAG(l, PCI_ERR_COR_RCVR), FLAG(l, PCI_ERR_COR_BAD_TLP), FLAG(l, PCI_ERR_COR_BAD_DLLP), FLAG(l, PCI_ERR_COR_REP_ROLL), FLAG(l, PCI_ERR_COR_REP_TIMER), FLAG(l, PCI_ERR_COR_REP_ANFE)); l = get_conf_long(d, where + PCI_ERR_CAP); printf("\t\tAERCap:\tFirst Error Pointer: %02x, ECRCGenCap%c ECRCGenEn%c ECRCChkCap%c ECRCChkEn%c\n" "\t\t\tMultHdrRecCap%c MultHdrRecEn%c TLPPfxPres%c HdrLogCap%c\n", PCI_ERR_CAP_FEP(l), FLAG(l, PCI_ERR_CAP_ECRC_GENC), FLAG(l, PCI_ERR_CAP_ECRC_GENE), FLAG(l, PCI_ERR_CAP_ECRC_CHKC), FLAG(l, PCI_ERR_CAP_ECRC_CHKE), FLAG(l, PCI_ERR_CAP_MULT_HDRC), FLAG(l, PCI_ERR_CAP_MULT_HDRE), FLAG(l, PCI_ERR_CAP_TLP_PFX), FLAG(l, PCI_ERR_CAP_HDR_LOG)); l0 = get_conf_long(d, where + PCI_ERR_HEADER_LOG); l1 = get_conf_long(d, where + PCI_ERR_HEADER_LOG + 4); l2 = get_conf_long(d, where + PCI_ERR_HEADER_LOG + 8); l3 = get_conf_long(d, where + PCI_ERR_HEADER_LOG + 12); printf("\t\tHeaderLog: %08x %08x %08x %08x\n", l0, l1, l2, l3); if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ROOT_EC) { if (!config_fetch(d, where + PCI_ERR_ROOT_COMMAND, 12)) return; l = get_conf_long(d, where + PCI_ERR_ROOT_COMMAND); printf("\t\tRootCmd: CERptEn%c NFERptEn%c FERptEn%c\n", FLAG(l, PCI_ERR_ROOT_CMD_COR_EN), FLAG(l, PCI_ERR_ROOT_CMD_NONFATAL_EN), FLAG(l, PCI_ERR_ROOT_CMD_FATAL_EN)); l = get_conf_long(d, where + PCI_ERR_ROOT_STATUS); printf("\t\tRootSta: CERcvd%c MultCERcvd%c UERcvd%c MultUERcvd%c\n" "\t\t\t FirstFatal%c NonFatalMsg%c FatalMsg%c IntMsg %d\n", FLAG(l, PCI_ERR_ROOT_COR_RCV), FLAG(l, PCI_ERR_ROOT_MULTI_COR_RCV), FLAG(l, PCI_ERR_ROOT_UNCOR_RCV), FLAG(l, PCI_ERR_ROOT_MULTI_UNCOR_RCV), FLAG(l, PCI_ERR_ROOT_FIRST_FATAL), FLAG(l, PCI_ERR_ROOT_NONFATAL_RCV), FLAG(l, PCI_ERR_ROOT_FATAL_RCV), PCI_ERR_MSG_NUM(l)); w = get_conf_word(d, where + PCI_ERR_ROOT_COR_SRC); printf("\t\tErrorSrc: ERR_COR: %04x ", w); w = get_conf_word(d, where + PCI_ERR_ROOT_SRC); printf("ERR_FATAL/NONFATAL: %04x\n", w); } } static void cap_dpc(struct device *d, int where) { u16 l; printf("Downstream Port Containment\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_DPC_CAP, 8)) return; l = get_conf_word(d, where + PCI_DPC_CAP); printf("\t\tDpcCap:\tINT Msg #%d, RPExt%c PoisonedTLP%c SwTrigger%c RP PIO Log %d, DL_ActiveErr%c\n", PCI_DPC_CAP_INT_MSG(l), FLAG(l, PCI_DPC_CAP_RP_EXT), FLAG(l, PCI_DPC_CAP_TLP_BLOCK), FLAG(l, PCI_DPC_CAP_SW_TRIGGER), PCI_DPC_CAP_RP_LOG(l), FLAG(l, PCI_DPC_CAP_DL_ACT_ERR)); l = get_conf_word(d, where + PCI_DPC_CTL); printf("\t\tDpcCtl:\tTrigger:%x Cmpl%c INT%c ErrCor%c PoisonedTLP%c SwTrigger%c DL_ActiveErr%c\n", PCI_DPC_CTL_TRIGGER(l), FLAG(l, PCI_DPC_CTL_CMPL), FLAG(l, PCI_DPC_CTL_INT), FLAG(l, PCI_DPC_CTL_ERR_COR), FLAG(l, PCI_DPC_CTL_TLP), FLAG(l, PCI_DPC_CTL_SW_TRIGGER), FLAG(l, PCI_DPC_CTL_DL_ACTIVE)); l = get_conf_word(d, where + PCI_DPC_STATUS); printf("\t\tDpcSta:\tTrigger%c Reason:%02x INT%c RPBusy%c TriggerExt:%02x RP PIO ErrPtr:%02x\n", FLAG(l, PCI_DPC_STS_TRIGGER), PCI_DPC_STS_REASON(l), FLAG(l, PCI_DPC_STS_INT), FLAG(l, PCI_DPC_STS_RP_BUSY), PCI_DPC_STS_TRIGGER_EXT(l), PCI_DPC_STS_PIO_FEP(l)); l = get_conf_word(d, where + PCI_DPC_SOURCE); printf("\t\tSource:\t%04x\n", l); } static void cap_acs(struct device *d, int where) { u16 w; printf("Access Control Services\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_ACS_CAP, 4)) return; w = get_conf_word(d, where + PCI_ACS_CAP); printf("\t\tACSCap:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c " "DirectTrans%c\n", FLAG(w, PCI_ACS_CAP_VALID), FLAG(w, PCI_ACS_CAP_BLOCK), FLAG(w, PCI_ACS_CAP_REQ_RED), FLAG(w, PCI_ACS_CAP_CMPLT_RED), FLAG(w, PCI_ACS_CAP_FORWARD), FLAG(w, PCI_ACS_CAP_EGRESS), FLAG(w, PCI_ACS_CAP_TRANS)); w = get_conf_word(d, where + PCI_ACS_CTRL); printf("\t\tACSCtl:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c " "DirectTrans%c\n", FLAG(w, PCI_ACS_CTRL_VALID), FLAG(w, PCI_ACS_CTRL_BLOCK), FLAG(w, PCI_ACS_CTRL_REQ_RED), FLAG(w, PCI_ACS_CTRL_CMPLT_RED), FLAG(w, PCI_ACS_CTRL_FORWARD), FLAG(w, PCI_ACS_CTRL_EGRESS), FLAG(w, PCI_ACS_CTRL_TRANS)); } static void cap_ari(struct device *d, int where) { u16 w; printf("Alternative Routing-ID Interpretation (ARI)\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_ARI_CAP, 4)) return; w = get_conf_word(d, where + PCI_ARI_CAP); printf("\t\tARICap:\tMFVC%c ACS%c, Next Function: %d\n", FLAG(w, PCI_ARI_CAP_MFVC), FLAG(w, PCI_ARI_CAP_ACS), PCI_ARI_CAP_NFN(w)); w = get_conf_word(d, where + PCI_ARI_CTRL); printf("\t\tARICtl:\tMFVC%c ACS%c, Function Group: %d\n", FLAG(w, PCI_ARI_CTRL_MFVC), FLAG(w, PCI_ARI_CTRL_ACS), PCI_ARI_CTRL_FG(w)); } static void cap_ats(struct device *d, int where) { u16 w; printf("Address Translation Service (ATS)\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_ATS_CAP, 4)) return; w = get_conf_word(d, where + PCI_ATS_CAP); printf("\t\tATSCap:\tInvalidate Queue Depth: %02x\n", PCI_ATS_CAP_IQD(w)); w = get_conf_word(d, where + PCI_ATS_CTRL); printf("\t\tATSCtl:\tEnable%c, Smallest Translation Unit: %02x\n", FLAG(w, PCI_ATS_CTRL_ENABLE), PCI_ATS_CTRL_STU(w)); } static void cap_pri(struct device *d, int where) { u16 w; u32 l; printf("Page Request Interface (PRI)\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_PRI_CTRL, 0xc)) return; w = get_conf_word(d, where + PCI_PRI_CTRL); printf("\t\tPRICtl: Enable%c Reset%c\n", FLAG(w, PCI_PRI_CTRL_ENABLE), FLAG(w, PCI_PRI_CTRL_RESET)); w = get_conf_word(d, where + PCI_PRI_STATUS); printf("\t\tPRISta: RF%c UPRGI%c Stopped%c\n", FLAG(w, PCI_PRI_STATUS_RF), FLAG(w, PCI_PRI_STATUS_UPRGI), FLAG(w, PCI_PRI_STATUS_STOPPED)); l = get_conf_long(d, where + PCI_PRI_MAX_REQ); printf("\t\tPage Request Capacity: %08x, ", l); l = get_conf_long(d, where + PCI_PRI_ALLOC_REQ); printf("Page Request Allocation: %08x\n", l); } static void cap_pasid(struct device *d, int where) { u16 w; printf("Process Address Space ID (PASID)\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_PASID_CAP, 4)) return; w = get_conf_word(d, where + PCI_PASID_CAP); printf("\t\tPASIDCap: Exec%c Priv%c, Max PASID Width: %02x\n", FLAG(w, PCI_PASID_CAP_EXEC), FLAG(w, PCI_PASID_CAP_PRIV), PCI_PASID_CAP_WIDTH(w)); w = get_conf_word(d, where + PCI_PASID_CTRL); printf("\t\tPASIDCtl: Enable%c Exec%c Priv%c\n", FLAG(w, PCI_PASID_CTRL_ENABLE), FLAG(w, PCI_PASID_CTRL_EXEC), FLAG(w, PCI_PASID_CTRL_PRIV)); } static void cap_sriov(struct device *d, int where) { u16 b; u16 w; u32 l; int i; printf("Single Root I/O Virtualization (SR-IOV)\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_IOV_CAP, 0x3c)) return; l = get_conf_long(d, where + PCI_IOV_CAP); 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 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_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); printf("\t\tInitial VFs: %d, ", w); w = get_conf_word(d, where + PCI_IOV_TOTALVF); printf("Total VFs: %d, ", w); w = get_conf_word(d, where + PCI_IOV_NUMVF); printf("Number of VFs: %d, ", w); b = get_conf_byte(d, where + PCI_IOV_FDL); printf("Function Dependency Link: %02x\n", b); w = get_conf_word(d, where + PCI_IOV_OFFSET); printf("\t\tVF offset: %d, ", w); w = get_conf_word(d, where + PCI_IOV_STRIDE); printf("stride: %d, ", w); w = get_conf_word(d, where + PCI_IOV_DID); printf("Device ID: %04x\n", w); l = get_conf_long(d, where + PCI_IOV_SUPPS); printf("\t\tSupported Page Size: %08x, ", l); l = get_conf_long(d, where + PCI_IOV_SYSPS); printf("System Page Size: %08x\n", l); for (i=0; i < PCI_IOV_NUM_BAR; i++) { u32 addr; int type; u32 h; l = get_conf_long(d, where + PCI_IOV_BAR_BASE + 4*i); if (l == 0xffffffff) l = 0; if (!l) continue; printf("\t\tRegion %d: Memory at ", i); addr = l & PCI_ADDR_MEM_MASK; type = l & PCI_BASE_ADDRESS_MEM_TYPE_MASK; if (type == PCI_BASE_ADDRESS_MEM_TYPE_64) { i++; h = get_conf_long(d, where + PCI_IOV_BAR_BASE + (i*4)); printf("%08x", h); } printf("%08x (%s-bit, %sprefetchable)\n", addr, (type == PCI_BASE_ADDRESS_MEM_TYPE_32) ? "32" : "64", (l & PCI_BASE_ADDRESS_MEM_PREFETCH) ? "" : "non-"); } l = get_conf_long(d, where + PCI_IOV_MSAO); printf("\t\tVF Migration: offset: %08x, BIR: %x\n", PCI_IOV_MSA_OFFSET(l), 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) { u32 cr1, cr2; u16 ctrl, status; int evc_cnt; int arb_table_pos; int i, j; static const char ref_clocks[][6] = { "100ns" }; static const char arb_selects[8][7] = { "Fixed", "WRR32", "WRR64", "WRR128", "??4", "??5", "??6", "??7" }; static const char vc_arb_selects[8][8] = { "Fixed", "WRR32", "WRR64", "WRR128", "TWRR128", "WRR256", "??6", "??7" }; char buf[8]; printf("Virtual Channel\n"); if (verbose < 2) return; if (!config_fetch(d, where + 4, 0x1c - 4)) return; cr1 = get_conf_long(d, where + PCI_VC_PORT_REG1); cr2 = get_conf_long(d, where + PCI_VC_PORT_REG2); ctrl = get_conf_word(d, where + PCI_VC_PORT_CTRL); status = get_conf_word(d, where + PCI_VC_PORT_STATUS); evc_cnt = BITS(cr1, 0, 3); printf("\t\tCaps:\tLPEVC=%d RefClk=%s PATEntryBits=%d\n", BITS(cr1, 4, 3), TABLE(ref_clocks, BITS(cr1, 8, 2), buf), 1 << BITS(cr1, 10, 2)); printf("\t\tArb:"); for (i=0; i<8; i++) if (arb_selects[i][0] != '?' || cr2 & (1 << i)) printf("%c%s%c", (i ? ' ' : '\t'), arb_selects[i], FLAG(cr2, 1 << i)); arb_table_pos = BITS(cr2, 24, 8); printf("\n\t\tCtrl:\tArbSelect=%s\n", TABLE(arb_selects, BITS(ctrl, 1, 3), buf)); printf("\t\tStatus:\tInProgress%c\n", FLAG(status, 1)); if (arb_table_pos) { arb_table_pos = where + 16*arb_table_pos; printf("\t\tPort Arbitration Table [%x] \n", arb_table_pos); } for (i=0; i<=evc_cnt; i++) { int pos = where + PCI_VC_RES_CAP + 12*i; u32 rcap, rctrl; u16 rstatus; int pat_pos; printf("\t\tVC%d:\t", i); if (!config_fetch(d, pos, 12)) { printf("\n"); continue; } rcap = get_conf_long(d, pos); rctrl = get_conf_long(d, pos+4); rstatus = get_conf_word(d, pos+10); pat_pos = BITS(rcap, 24, 8); printf("Caps:\tPATOffset=%02x MaxTimeSlots=%d RejSnoopTrans%c\n", pat_pos, BITS(rcap, 16, 7) + 1, FLAG(rcap, 1 << 15)); printf("\t\t\tArb:"); for (j=0; j<8; j++) if (vc_arb_selects[j][0] != '?' || rcap & (1 << j)) printf("%c%s%c", (j ? ' ' : '\t'), vc_arb_selects[j], FLAG(rcap, 1 << j)); printf("\n\t\t\tCtrl:\tEnable%c ID=%d ArbSelect=%s TC/VC=%02x\n", FLAG(rctrl, 1 << 31), BITS(rctrl, 24, 3), TABLE(vc_arb_selects, BITS(rctrl, 17, 3), buf), BITS(rctrl, 0, 8)); printf("\t\t\tStatus:\tNegoPending%c InProgress%c\n", FLAG(rstatus, 2), FLAG(rstatus, 1)); if (pat_pos) printf("\t\t\tPort Arbitration Table \n"); } } static void cap_rclink(struct device *d, int where) { u32 esd; int num_links; int i; static const char elt_types[][9] = { "Config", "Egress", "Internal" }; char buf[8]; printf("Root Complex Link\n"); if (verbose < 2) return; if (!config_fetch(d, where + 4, PCI_RCLINK_LINK1 - 4)) return; esd = get_conf_long(d, where + PCI_RCLINK_ESD); num_links = BITS(esd, 8, 8); printf("\t\tDesc:\tPortNumber=%02x ComponentID=%02x EltType=%s\n", BITS(esd, 24, 8), BITS(esd, 16, 8), TABLE(elt_types, BITS(esd, 0, 8), buf)); for (i=0; i\n"); return; } desc = get_conf_long(d, pos + PCI_RCLINK_LINK_DESC); addr_lo = get_conf_long(d, pos + PCI_RCLINK_LINK_ADDR); addr_hi = get_conf_long(d, pos + PCI_RCLINK_LINK_ADDR + 4); printf("Desc:\tTargetPort=%02x TargetComponent=%02x AssocRCRB%c LinkType=%s LinkValid%c\n", BITS(desc, 24, 8), BITS(desc, 16, 8), FLAG(desc, 4), ((desc & 2) ? "Config" : "MemMapped"), FLAG(desc, 1)); if (desc & 2) { int n = addr_lo & 7; if (!n) n = 8; printf("\t\t\tAddr:\t%02x:%02x.%d CfgSpace=%08x%08x\n", BITS(addr_lo, 20, n), BITS(addr_lo, 15, 5), BITS(addr_lo, 12, 3), addr_hi, addr_lo); } else printf("\t\t\tAddr:\t%08x%08x\n", addr_hi, addr_lo); } } 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 rev, int where, int len) { u32 cache_size, cache_unit_size; u64 range_base, range_size; u16 w; if (len < PCI_CXL_DEV_LEN) return; /* 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; } range_size = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_HI) << 32; range_size |= get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_LO); range_base = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_HI) << 32; range_base |= get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_LO); cxl_range(range_base, range_size, 1); range_size = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_HI) << 32; range_size |= get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_LO); range_base = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_HI) << 32; range_base |= get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_LO); cxl_range(range_base, range_size, 2); } static void dvsec_cxl_port(struct device *d, int where, int len) { u16 w, m1, m2; u8 b1, b2; if (len < PCI_CXL_PORT_EXT_LEN) return; 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 void dvsec_cxl_register_locator(struct device *d, int where, int len) { static const char * const id_names[] = { "empty", "component registers", "BAR virtualization", "CXL device registers", "CPMU registers", }; for (int i=0; ; i++) { int pos = where + PCI_CXL_RL_BLOCK1_LO + 8*i; if (pos + 7 >= where + len) break; u32 lo = get_conf_long(d, pos); u32 hi = get_conf_long(d, pos + 4); unsigned int bir = BITS(lo, 0, 3); unsigned int block_id = BITS(lo, 8, 8); u64 base = (BITS(lo, 16, 16) << 16) | ((u64) hi << 32); if (!block_id) continue; const char *id_name; if (block_id < sizeof(id_names) / sizeof(*id_names)) id_name = id_names[block_id]; else if (block_id == 0xff) id_name = "vendor-specific"; else id_name = ""; printf("\t\tBlock%d: BIR: bar%d, ID: %s, offset: %016" PCI_U64_FMT_X "\n", i + 1, bir, id_name, base); } } static void dvsec_cxl_gpf_device(struct device *d, int where) { u32 l; u16 w, duration; u8 time_base, time_scale; w = get_conf_word(d, where + PCI_CXL_GPF_DEV_PHASE2_DUR); time_base = BITS(w, 0, 4); time_scale = BITS(w, 8, 4); switch (time_scale) { case PCI_CXL_GPF_DEV_100US: case PCI_CXL_GPF_DEV_100MS: duration = time_base * 100; break; case PCI_CXL_GPF_DEV_10US: case PCI_CXL_GPF_DEV_10MS: case PCI_CXL_GPF_DEV_10S: duration = time_base * 10; break; case PCI_CXL_GPF_DEV_1US: case PCI_CXL_GPF_DEV_1MS: case PCI_CXL_GPF_DEV_1S: duration = time_base; break; default: /* Reserved */ printf("\t\tReserved time scale encoding %x\n", time_scale); duration = time_base; } printf("\t\tGPF Phase 2 Duration: %u%s\n", duration, (time_scale < PCI_CXL_GPF_DEV_1MS) ? "us": (time_scale < PCI_CXL_GPF_DEV_1S) ? "ms" : (time_scale == PCI_CXL_GPF_DEV_1S) ? "s" : ""); l = get_conf_long(d, where + PCI_CXL_GPF_DEV_PHASE2_POW); printf("\t\tGPF Phase 2 Power: %umW\n", (unsigned int)l); } static void dvsec_cxl_gpf_port(struct device *d, int where) { u16 w, timeout; u8 time_base, time_scale; w = get_conf_word(d, where + PCI_CXL_GPF_PORT_PHASE1_CTRL); time_base = BITS(w, 0, 4); time_scale = BITS(w, 8, 4); switch (time_scale) { case PCI_CXL_GPF_PORT_100US: case PCI_CXL_GPF_PORT_100MS: timeout = time_base * 100; break; case PCI_CXL_GPF_PORT_10US: case PCI_CXL_GPF_PORT_10MS: case PCI_CXL_GPF_PORT_10S: timeout = time_base * 10; break; case PCI_CXL_GPF_PORT_1US: case PCI_CXL_GPF_PORT_1MS: case PCI_CXL_GPF_PORT_1S: timeout = time_base; break; default: /* Reserved */ printf("\t\tReserved time scale encoding %x\n", time_scale); timeout = time_base; } printf("\t\tGPF Phase 1 Timeout: %d%s\n", timeout, (time_scale < PCI_CXL_GPF_PORT_1MS) ? "us": (time_scale < PCI_CXL_GPF_PORT_1S) ? "ms" : (time_scale == PCI_CXL_GPF_PORT_1S) ? "s" : ""); w = get_conf_word(d, where + PCI_CXL_GPF_PORT_PHASE2_CTRL); time_base = BITS(w, 0, 4); time_scale = BITS(w, 8, 4); switch (time_scale) { case PCI_CXL_GPF_PORT_100US: case PCI_CXL_GPF_PORT_100MS: timeout = time_base * 100; break; case PCI_CXL_GPF_PORT_10US: case PCI_CXL_GPF_PORT_10MS: case PCI_CXL_GPF_PORT_10S: timeout = time_base * 10; break; case PCI_CXL_GPF_PORT_1US: case PCI_CXL_GPF_PORT_1MS: case PCI_CXL_GPF_PORT_1S: timeout = time_base; break; default: /* Reserved */ printf("\t\tReserved time scale encoding %x\n", time_scale); timeout = time_base; } printf("\t\tGPF Phase 2 Timeout: %d%s\n", timeout, (time_scale < PCI_CXL_GPF_PORT_1MS) ? "us": (time_scale < PCI_CXL_GPF_PORT_1S) ? "ms" : (time_scale == PCI_CXL_GPF_PORT_1S) ? "s" : ""); } static void dvsec_cxl_flex_bus(struct device *d, int where, int rev) { u16 w; u32 l, data; if (rev < 1) { printf("\t\tRevision %d not supported\n", rev); return; } w = get_conf_word(d, where + PCI_CXL_FB_PORT_CAP); printf("\t\tFBCap:\tCache%c IO%c Mem%c 68BFlit%c MltLogDev%c", FLAG(w, PCI_CXL_FB_CAP_CACHE), FLAG(w, PCI_CXL_FB_CAP_IO), FLAG(w, PCI_CXL_FB_CAP_MEM), FLAG(w, PCI_CXL_FB_CAP_68B_FLIT), FLAG(w, PCI_CXL_FB_CAP_MULT_LOG_DEV)); if (rev > 1) printf(" 256BFlit%c PBRFlit%c", FLAG(w, PCI_CXL_FB_CAP_256B_FLIT), FLAG(w, PCI_CXL_FB_CAP_PBR_FLIT)); w = get_conf_word(d, where + PCI_CXL_FB_PORT_CTRL); printf("\n\t\tFBCtl:\tCache%c IO%c Mem%c SynHdrByp%c DrftBuf%c 68BFlit%c MltLogDev%c RCD%c Retimer1%c Retimer2%c", FLAG(w, PCI_CXL_FB_CTRL_CACHE), FLAG(w, PCI_CXL_FB_CTRL_IO), FLAG(w, PCI_CXL_FB_CTRL_MEM), FLAG(w, PCI_CXL_FB_CTRL_SYNC_HDR_BYP), FLAG(w, PCI_CXL_FB_CTRL_DRFT_BUF), FLAG(w, PCI_CXL_FB_CTRL_68B_FLIT), FLAG(w, PCI_CXL_FB_CTRL_MULT_LOG_DEV), FLAG(w, PCI_CXL_FB_CTRL_RCD), FLAG(w, PCI_CXL_FB_CTRL_RETIMER1), FLAG(w, PCI_CXL_FB_CTRL_RETIMER2)); if (rev > 1) printf(" 256BFlit%c PBRFlit%c", FLAG(w, PCI_CXL_FB_CTRL_256B_FLIT), FLAG(w, PCI_CXL_FB_CTRL_PBR_FLIT)); w = get_conf_word(d, where + PCI_CXL_FB_PORT_STATUS); printf("\n\t\tFBSta:\tCache%c IO%c Mem%c SynHdrByp%c DrftBuf%c 68BFlit%c MltLogDev%c", FLAG(w, PCI_CXL_FB_STAT_CACHE), FLAG(w, PCI_CXL_FB_STAT_IO), FLAG(w, PCI_CXL_FB_STAT_MEM), FLAG(w, PCI_CXL_FB_STAT_SYNC_HDR_BYP), FLAG(w, PCI_CXL_FB_STAT_DRFT_BUF), FLAG(w, PCI_CXL_FB_STAT_68B_FLIT), FLAG(w, PCI_CXL_FB_STAT_MULT_LOG_DEV)); if (rev > 1) printf(" 256BFlit%c PBRFlit%c", FLAG(w, PCI_CXL_FB_STAT_256B_FLIT), FLAG(w, PCI_CXL_FB_STAT_PBR_FLIT)); l = get_conf_long(d, where + PCI_CXL_FB_MOD_TS_DATA); data = BITS(l, 0, 24); printf("\n\t\tFBModTS:\tReceived FB Data: %06x\n", (unsigned int)data); if (rev > 1) { u8 nop; l = get_conf_long(d, where + PCI_CXL_FB_PORT_CAP2); printf("\t\tFBCap2:\tNOPHint%c\n", FLAG(l, PCI_CXL_FB_CAP2_NOP_HINT)); l = get_conf_long(d, where + PCI_CXL_FB_PORT_CTRL2); printf("\t\tFBCtl2:\tNOPHint%c\n", FLAG(l, PCI_CXL_FB_CTRL2_NOP_HINT)); l = get_conf_long(d, where + PCI_CXL_FB_PORT_STATUS2); nop = BITS(l, 0, 2); printf("\t\tFBSta2:\tNOPHintInfo: %x\n", nop); } } static void dvsec_cxl_mld(struct device *d, int where) { u16 w; w = get_conf_word(d, where + PCI_CXL_MLD_NUM_LD); /* Encodings greater than 16 are reserved */ if (w && w <= PCI_CXL_MLD_MAX_LD) printf("\t\tNumLogDevs: %d\n", w); } static void dvsec_cxl_function_map(struct device *d, int where) { printf("\t\tFuncMap 0: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_0))); printf("\t\tFuncMap 1: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_1))); printf("\t\tFuncMap 2: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_2))); printf("\t\tFuncMap 3: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_3))); printf("\t\tFuncMap 4: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_4))); printf("\t\tFuncMap 5: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_5))); printf("\t\tFuncMap 6: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_6))); printf("\t\tFuncMap 7: %08x\n", (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_7))); } static void cap_dvsec_cxl(struct device *d, int id, int rev, int where, int len) { printf(": CXL\n"); if (verbose < 2) return; if (!config_fetch(d, where, len)) return; switch (id) { case 0: dvsec_cxl_device(d, rev, where, len); break; case 2: dvsec_cxl_function_map(d, where); break; case 3: dvsec_cxl_port(d, where, len); break; case 4: dvsec_cxl_gpf_port(d, where); break; case 5: dvsec_cxl_gpf_device(d, where); break; case 7: dvsec_cxl_flex_bus(d, where, rev); break; case 8: dvsec_cxl_register_locator(d, where, len); break; case 9: dvsec_cxl_mld(d, where); break; default: printf("\t\tUnknown ID %04x\n", id); } } 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, rev, where, len); else printf(" \n"); } static void cap_evendor(struct device *d, int where) { u32 hdr; printf("Vendor Specific Information: "); if (!config_fetch(d, where + PCI_EVNDR_HEADER, 4)) { printf("\n"); return; } hdr = get_conf_long(d, where + PCI_EVNDR_HEADER); printf("ID=%04x Rev=%d Len=%03x \n", BITS(hdr, 0, 16), BITS(hdr, 16, 4), BITS(hdr, 20, 12)); } static int l1pm_calc_pwron(int scale, int value) { switch (scale) { case 0: return 2 * value; case 1: return 10 * value; case 2: return 100 * value; } return -1; } static void cap_l1pm(struct device *d, int where) { u32 l1_cap, val, scale; int time; printf("L1 PM Substates\n"); if (verbose < 2) return; if (!config_fetch(d, where + PCI_L1PM_SUBSTAT_CAP, 12)) { printf("\t\t\n"); return; } l1_cap = get_conf_long(d, where + PCI_L1PM_SUBSTAT_CAP); printf("\t\tL1SubCap: "); printf("PCI-PM_L1.2%c PCI-PM_L1.1%c ASPM_L1.2%c ASPM_L1.1%c L1_PM_Substates%c\n", FLAG(l1_cap, PCI_L1PM_SUBSTAT_CAP_PM_L12), FLAG(l1_cap, PCI_L1PM_SUBSTAT_CAP_PM_L11), FLAG(l1_cap, PCI_L1PM_SUBSTAT_CAP_ASPM_L12), FLAG(l1_cap, PCI_L1PM_SUBSTAT_CAP_ASPM_L11), FLAG(l1_cap, PCI_L1PM_SUBSTAT_CAP_L1PM_SUPP)); if (l1_cap & PCI_L1PM_SUBSTAT_CAP_PM_L12 || l1_cap & PCI_L1PM_SUBSTAT_CAP_ASPM_L12) { printf("\t\t\t PortCommonModeRestoreTime=%dus ", BITS(l1_cap, 8, 8)); time = l1pm_calc_pwron(BITS(l1_cap, 16, 2), BITS(l1_cap, 19, 5)); if (time != -1) printf("PortTPowerOnTime=%dus\n", time); else printf("PortTPowerOnTime=\n"); } val = get_conf_long(d, where + PCI_L1PM_SUBSTAT_CTL1); printf("\t\tL1SubCtl1: PCI-PM_L1.2%c PCI-PM_L1.1%c ASPM_L1.2%c ASPM_L1.1%c\n", FLAG(val, PCI_L1PM_SUBSTAT_CTL1_PM_L12), FLAG(val, PCI_L1PM_SUBSTAT_CTL1_PM_L11), FLAG(val, PCI_L1PM_SUBSTAT_CTL1_ASPM_L12), 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=%" PCI_U64_FMT_U "ns", BITS(val, 16, 10) * (u64) cap_ltr_scale(scale)); } printf("\n"); } val = get_conf_long(d, where + PCI_L1PM_SUBSTAT_CTL2); printf("\t\tL1SubCtl2:"); if (l1_cap & PCI_L1PM_SUBSTAT_CAP_PM_L12 || l1_cap & PCI_L1PM_SUBSTAT_CAP_ASPM_L12) { time = l1pm_calc_pwron(BITS(val, 0, 2), BITS(val, 3, 5)); if (time != -1) printf(" T_PwrOn=%dus", time); else printf(" T_PwrOn="); } printf("\n"); } static void cap_ptm(struct device *d, int where) { u32 buff; u16 clock; printf("Precision Time Measurement\n"); if (verbose < 2) return; if (!config_fetch(d, where + 4, 8)) { printf("\t\t\n"); return; } buff = get_conf_long(d, where + 4); printf("\t\tPTMCap: "); printf("Requester:%c Responder:%c Root:%c\n", FLAG(buff, 0x1), FLAG(buff, 0x2), FLAG(buff, 0x4)); clock = BITS(buff, 8, 8); printf("\t\tPTMClockGranularity: "); switch (clock) { case 0x00: printf("Unimplemented\n"); break; case 0xff: printf("Greater than 254ns\n"); break; default: printf("%huns\n", clock); } buff = get_conf_long(d, where + 8); printf("\t\tPTMControl: "); printf("Enabled:%c RootSelected:%c\n", FLAG(buff, 0x1), FLAG(buff, 0x2)); clock = BITS(buff, 8, 8); printf("\t\tPTMEffectiveGranularity: "); switch (clock) { case 0x00: printf("Unknown\n"); break; case 0xff: printf("Greater than 254ns\n"); break; default: printf("%huns\n", clock); } } 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) { int where = 0x100; char been_there[0x1000]; memset(been_there, 0, 0x1000); do { u32 header; int id, version; if (!config_fetch(d, where, 4)) break; header = get_conf_long(d, where); if (!header || header == 0xffffffff) break; id = header & 0xffff; version = (header >> 16) & 0xf; printf("\tCapabilities: [%03x", where); if (verbose > 1) printf(" v%d", version); printf("] "); if (been_there[where]++) { printf("\n"); break; } switch (id) { case PCI_EXT_CAP_ID_NULL: printf("Null\n"); break; case PCI_EXT_CAP_ID_AER: cap_aer(d, where, type); break; case PCI_EXT_CAP_ID_DPC: cap_dpc(d, where); break; case PCI_EXT_CAP_ID_VC: case PCI_EXT_CAP_ID_VC2: cap_vc(d, where); break; case PCI_EXT_CAP_ID_DSN: cap_dsn(d, where); break; case PCI_EXT_CAP_ID_PB: printf("Power Budgeting \n"); break; case PCI_EXT_CAP_ID_RCLINK: cap_rclink(d, where); break; case PCI_EXT_CAP_ID_RCILINK: printf("Root Complex Internal Link \n"); break; 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_RCRB: printf("Root Complex Register Block \n"); break; case PCI_EXT_CAP_ID_VNDR: cap_evendor(d, where); break; case PCI_EXT_CAP_ID_ACS: cap_acs(d, where); break; case PCI_EXT_CAP_ID_ARI: cap_ari(d, where); break; case PCI_EXT_CAP_ID_ATS: cap_ats(d, where); break; case PCI_EXT_CAP_ID_SRIOV: cap_sriov(d, where); break; 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: cap_rebar(d, where, 0); break; case PCI_EXT_CAP_ID_DPA: printf("Dynamic Power Allocation \n"); break; case PCI_EXT_CAP_ID_TPH: cap_tph(d, where); break; case PCI_EXT_CAP_ID_LTR: cap_ltr(d, where); break; case PCI_EXT_CAP_ID_SECPCI: cap_sec(d, where); break; case PCI_EXT_CAP_ID_PMUX: printf("Protocol Multiplexing \n"); break; case PCI_EXT_CAP_ID_PASID: cap_pasid(d, where); break; case PCI_EXT_CAP_ID_LNR: printf("LN Requester \n"); break; case PCI_EXT_CAP_ID_L1PM: cap_l1pm(d, where); break; case PCI_EXT_CAP_ID_PTM: cap_ptm(d, where); break; case PCI_EXT_CAP_ID_M_PCIE: printf("PCI Express over M_PHY \n"); break; case PCI_EXT_CAP_ID_FRS: printf("FRS Queueing \n"); break; case PCI_EXT_CAP_ID_RTR: printf("Readiness Time Reporting \n"); break; case PCI_EXT_CAP_ID_DVSEC: cap_dvsec(d, where); break; case PCI_EXT_CAP_ID_VF_REBAR: cap_rebar(d, where, 1); break; case PCI_EXT_CAP_ID_DLNK: printf("Data Link Feature \n"); break; case PCI_EXT_CAP_ID_16GT: printf("Physical Layer 16.0 GT/s \n"); break; case PCI_EXT_CAP_ID_LMR: printf("Lane Margining at the Receiver \n"); break; case PCI_EXT_CAP_ID_HIER_ID: printf("Hierarchy ID \n"); break; 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; } where = (header >> 20) & ~3; } while (where); }