/*
* The PCI Utilities -- Show Extended Capabilities
*
* Copyright (c) 1997--2010 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#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: %lldns\n",
((unsigned long long)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);
}
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)
{
u32 l;
printf("Advanced Error Reporting\n");
if (verbose < 2)
return;
if (!config_fetch(d, where + PCI_ERR_UNCOR_STATUS, 24))
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 NonFatalErr%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 NonFatalErr%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, GenCap%c CGenEn%c ChkCap%c ChkEn%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));
}
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_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, Interrupt Message Number: %03x\n",
FLAG(l, PCI_IOV_CAP_VFM), 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",
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));
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_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+8);
pat_pos = BITS(rcap, 24, 8);
printf("Caps:\tPATOffset=%02x MaxTimeSlots=%d RejSnoopTrans%c\n",
pat_pos,
BITS(rcap, 16, 6) + 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_evendor(struct device *d, int where)
{
u32 hdr;
printf("Vendor Specific Information: ");
if (!config_fetch(d, where + PCI_EVNDR_HEADER, 4))
{
printf("<unreadable>\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));
}
void
show_ext_caps(struct device *d)
{
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)
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("<chain looped>\n");
break;
}
switch (id)
{
case PCI_EXT_CAP_ID_AER:
cap_aer(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_RCECOLL:
printf("Root Complex Event Collector <?>\n");
break;
case PCI_EXT_CAP_ID_MFVC:
printf("Multi-Function Virtual Channel <?>\n");
break;
case PCI_EXT_CAP_ID_RBCB:
printf("Root Bridge Control Block <?>\n");
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_TPH:
cap_tph(d, where);
break;
case PCI_EXT_CAP_ID_LTR:
cap_ltr(d, where);
break;
default:
printf("#%02x\n", id);
break;
}
where = (header >> 20) & ~3;
} while (where);
}
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