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ls-ecaps.c
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/*
* The PCI Utilities -- Show Extended Capabilities
*
* Copyright (c) 1997--2022 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL v2+.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <stdio.h>
#include <string.h>
#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("<unreadable>\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<num_links; i++)
{
int pos = where + PCI_RCLINK_LINK1 + i*PCI_RCLINK_LINK_SIZE;
u32 desc;
u32 addr_lo, addr_hi;
printf("\t\tLink%d:\t", i);
if (!config_fetch(d, pos, PCI_RCLINK_LINK_SIZE))
{
printf("<unreadable>\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);