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ls-caps.c
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ls-caps.c
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/*
* The PCI Utilities -- Show 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_pm(struct device *d, int where, int cap)
{
int t, b;
static int pm_aux_current[8] = { 0, 55, 100, 160, 220, 270, 320, 375 };
printf("Power Management version %d\n", cap & PCI_PM_CAP_VER_MASK);
if (verbose < 2)
return;
printf("\t\tFlags: PMEClk%c DSI%c D1%c D2%c AuxCurrent=%dmA PME(D0%c,D1%c,D2%c,D3hot%c,D3cold%c)\n",
FLAG(cap, PCI_PM_CAP_PME_CLOCK),
FLAG(cap, PCI_PM_CAP_DSI),
FLAG(cap, PCI_PM_CAP_D1),
FLAG(cap, PCI_PM_CAP_D2),
pm_aux_current[(cap >> 6) & 7],
FLAG(cap, PCI_PM_CAP_PME_D0),
FLAG(cap, PCI_PM_CAP_PME_D1),
FLAG(cap, PCI_PM_CAP_PME_D2),
FLAG(cap, PCI_PM_CAP_PME_D3_HOT),
FLAG(cap, PCI_PM_CAP_PME_D3_COLD));
if (!config_fetch(d, where + PCI_PM_CTRL, PCI_PM_SIZEOF - PCI_PM_CTRL))
return;
t = get_conf_word(d, where + PCI_PM_CTRL);
printf("\t\tStatus: D%d NoSoftRst%c PME-Enable%c DSel=%d DScale=%d PME%c\n",
t & PCI_PM_CTRL_STATE_MASK,
FLAG(t, PCI_PM_CTRL_NO_SOFT_RST),
FLAG(t, PCI_PM_CTRL_PME_ENABLE),
(t & PCI_PM_CTRL_DATA_SEL_MASK) >> 9,
(t & PCI_PM_CTRL_DATA_SCALE_MASK) >> 13,
FLAG(t, PCI_PM_CTRL_PME_STATUS));
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));
}
static void
format_agp_rate(int rate, char *buf, int agp3)
{
char *c = buf;
int i;
for (i=0; i<=2; i++)
if (rate & (1 << i))
{
if (c != buf)
*c++ = ',';
c += sprintf(c, "x%d", 1 << (i + 2*agp3));
}
if (c != buf)
*c = 0;
else
strcpy(buf, "<none>");
}
static void
cap_agp(struct device *d, int where, int cap)
{
u32 t;
char rate[16];
int ver, rev;
int agp3 = 0;
ver = (cap >> 4) & 0x0f;
rev = cap & 0x0f;
printf("AGP version %x.%x\n", ver, rev);
if (verbose < 2)
return;
if (!config_fetch(d, where + PCI_AGP_STATUS, PCI_AGP_SIZEOF - PCI_AGP_STATUS))
return;
t = get_conf_long(d, where + PCI_AGP_STATUS);
if (ver >= 3 && (t & PCI_AGP_STATUS_AGP3))
agp3 = 1;
format_agp_rate(t & 7, rate, agp3);
printf("\t\tStatus: RQ=%d Iso%c ArqSz=%d Cal=%d SBA%c ITACoh%c GART64%c HTrans%c 64bit%c FW%c AGP3%c Rate=%s\n",
((t & PCI_AGP_STATUS_RQ_MASK) >> 24U) + 1,
FLAG(t, PCI_AGP_STATUS_ISOCH),
((t & PCI_AGP_STATUS_ARQSZ_MASK) >> 13),
((t & PCI_AGP_STATUS_CAL_MASK) >> 10),
FLAG(t, PCI_AGP_STATUS_SBA),
FLAG(t, PCI_AGP_STATUS_ITA_COH),
FLAG(t, PCI_AGP_STATUS_GART64),
FLAG(t, PCI_AGP_STATUS_HTRANS),
FLAG(t, PCI_AGP_STATUS_64BIT),
FLAG(t, PCI_AGP_STATUS_FW),
FLAG(t, PCI_AGP_STATUS_AGP3),
rate);
t = get_conf_long(d, where + PCI_AGP_COMMAND);
format_agp_rate(t & 7, rate, agp3);
printf("\t\tCommand: RQ=%d ArqSz=%d Cal=%d SBA%c AGP%c GART64%c 64bit%c FW%c Rate=%s\n",
((t & PCI_AGP_COMMAND_RQ_MASK) >> 24U) + 1,
((t & PCI_AGP_COMMAND_ARQSZ_MASK) >> 13),
((t & PCI_AGP_COMMAND_CAL_MASK) >> 10),
FLAG(t, PCI_AGP_COMMAND_SBA),
FLAG(t, PCI_AGP_COMMAND_AGP),
FLAG(t, PCI_AGP_COMMAND_GART64),
FLAG(t, PCI_AGP_COMMAND_64BIT),
FLAG(t, PCI_AGP_COMMAND_FW),
rate);
}
static void
cap_pcix_nobridge(struct device *d, int where)
{
u16 command;
u32 status;
static const byte max_outstanding[8] = { 1, 2, 3, 4, 8, 12, 16, 32 };
printf("PCI-X non-bridge device\n");
if (verbose < 2)
return;
if (!config_fetch(d, where + PCI_PCIX_STATUS, 4))
return;
command = get_conf_word(d, where + PCI_PCIX_COMMAND);
status = get_conf_long(d, where + PCI_PCIX_STATUS);
printf("\t\tCommand: DPERE%c ERO%c RBC=%d OST=%d\n",
FLAG(command, PCI_PCIX_COMMAND_DPERE),
FLAG(command, PCI_PCIX_COMMAND_ERO),
1 << (9 + ((command & PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT) >> 2U)),
max_outstanding[(command & PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS) >> 4U]);
printf("\t\tStatus: Dev=%02x:%02x.%d 64bit%c 133MHz%c SCD%c USC%c DC=%s DMMRBC=%u DMOST=%u DMCRS=%u RSCEM%c 266MHz%c 533MHz%c\n",
((status >> 8) & 0xff),
((status >> 3) & 0x1f),
(status & PCI_PCIX_STATUS_FUNCTION),
FLAG(status, PCI_PCIX_STATUS_64BIT),
FLAG(status, PCI_PCIX_STATUS_133MHZ),
FLAG(status, PCI_PCIX_STATUS_SC_DISCARDED),
FLAG(status, PCI_PCIX_STATUS_UNEXPECTED_SC),
((status & PCI_PCIX_STATUS_DEVICE_COMPLEXITY) ? "bridge" : "simple"),
1 << (9 + ((status >> 21) & 3U)),
max_outstanding[(status >> 23) & 7U],
1 << (3 + ((status >> 26) & 7U)),
FLAG(status, PCI_PCIX_STATUS_RCVD_SC_ERR_MESS),
FLAG(status, PCI_PCIX_STATUS_266MHZ),
FLAG(status, PCI_PCIX_STATUS_533MHZ));
}
static void
cap_pcix_bridge(struct device *d, int where)
{
static const char * const sec_clock_freq[8] = { "conv", "66MHz", "100MHz", "133MHz", "?4", "?5", "?6", "?7" };
u16 secstatus;
u32 status, upstcr, downstcr;
printf("PCI-X bridge device\n");
if (verbose < 2)
return;
if (!config_fetch(d, where + PCI_PCIX_BRIDGE_STATUS, 12))
return;
secstatus = get_conf_word(d, where + PCI_PCIX_BRIDGE_SEC_STATUS);
printf("\t\tSecondary Status: 64bit%c 133MHz%c SCD%c USC%c SCO%c SRD%c Freq=%s\n",
FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_64BIT),
FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ),
FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED),
FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC),
FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN),
FLAG(secstatus, PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED),
sec_clock_freq[(secstatus >> 6) & 7]);
status = get_conf_long(d, where + PCI_PCIX_BRIDGE_STATUS);
printf("\t\tStatus: Dev=%02x:%02x.%d 64bit%c 133MHz%c SCD%c USC%c SCO%c SRD%c\n",
((status >> 8) & 0xff),
((status >> 3) & 0x1f),
(status & PCI_PCIX_BRIDGE_STATUS_FUNCTION),
FLAG(status, PCI_PCIX_BRIDGE_STATUS_64BIT),
FLAG(status, PCI_PCIX_BRIDGE_STATUS_133MHZ),
FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED),
FLAG(status, PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC),
FLAG(status, PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN),
FLAG(status, PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED));
upstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL);
printf("\t\tUpstream: Capacity=%u CommitmentLimit=%u\n",
(upstcr & PCI_PCIX_BRIDGE_STR_CAPACITY),
(upstcr >> 16) & 0xffff);
downstcr = get_conf_long(d, where + PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL);
printf("\t\tDownstream: Capacity=%u CommitmentLimit=%u\n",
(downstcr & PCI_PCIX_BRIDGE_STR_CAPACITY),
(downstcr >> 16) & 0xffff);
}
static void
cap_pcix(struct device *d, int where)
{
switch (get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f)
{
case PCI_HEADER_TYPE_NORMAL:
cap_pcix_nobridge(d, where);
break;
case PCI_HEADER_TYPE_BRIDGE:
cap_pcix_bridge(d, where);
break;
}
}
static inline char *
ht_link_width(unsigned width)
{
static char * const widths[8] = { "8bit", "16bit", "[2]", "32bit", "2bit", "4bit", "[6]", "N/C" };
return widths[width];
}
static inline char *
ht_link_freq(unsigned freq)
{
static char * const freqs[16] = { "200MHz", "300MHz", "400MHz", "500MHz", "600MHz", "800MHz", "1.0GHz", "1.2GHz",
"1.4GHz", "1.6GHz", "[a]", "[b]", "[c]", "[d]", "[e]", "Vend" };
return freqs[freq];
}
static void
cap_ht_pri(struct device *d, int where, int cmd)
{
u16 lctr0, lcnf0, lctr1, lcnf1, eh;
u8 rid, lfrer0, lfcap0, ftr, lfrer1, lfcap1, mbu, mlu, bn;
char *fmt;
printf("HyperTransport: Slave or Primary Interface\n");
if (verbose < 2)
return;
if (!config_fetch(d, where + PCI_HT_PRI_LCTR0, PCI_HT_PRI_SIZEOF - PCI_HT_PRI_LCTR0))
return;
rid = get_conf_byte(d, where + PCI_HT_PRI_RID);
if (rid < 0x22 && rid > 0x11)
printf("\t\t!!! Possibly incomplete decoding\n");
if (rid >= 0x22)
fmt = "\t\tCommand: BaseUnitID=%u UnitCnt=%u MastHost%c DefDir%c DUL%c\n";
else
fmt = "\t\tCommand: BaseUnitID=%u UnitCnt=%u MastHost%c DefDir%c\n";
printf(fmt,
(cmd & PCI_HT_PRI_CMD_BUID),
(cmd & PCI_HT_PRI_CMD_UC) >> 5,
FLAG(cmd, PCI_HT_PRI_CMD_MH),
FLAG(cmd, PCI_HT_PRI_CMD_DD),
FLAG(cmd, PCI_HT_PRI_CMD_DUL));
lctr0 = get_conf_word(d, where + PCI_HT_PRI_LCTR0);
if (rid >= 0x22)
fmt = "\t\tLink Control 0: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x IsocEn%c LSEn%c ExtCTL%c 64b%c\n";
else
fmt = "\t\tLink Control 0: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x\n";
printf(fmt,
FLAG(lctr0, PCI_HT_LCTR_CFLE),
FLAG(lctr0, PCI_HT_LCTR_CST),
FLAG(lctr0, PCI_HT_LCTR_CFE),
FLAG(lctr0, PCI_HT_LCTR_LKFAIL),
FLAG(lctr0, PCI_HT_LCTR_INIT),
FLAG(lctr0, PCI_HT_LCTR_EOC),
FLAG(lctr0, PCI_HT_LCTR_TXO),
(lctr0 & PCI_HT_LCTR_CRCERR) >> 8,
FLAG(lctr0, PCI_HT_LCTR_ISOCEN),
FLAG(lctr0, PCI_HT_LCTR_LSEN),
FLAG(lctr0, PCI_HT_LCTR_EXTCTL),
FLAG(lctr0, PCI_HT_LCTR_64B));
lcnf0 = get_conf_word(d, where + PCI_HT_PRI_LCNF0);
if (rid >= 0x22)
fmt = "\t\tLink Config 0: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n";
else
fmt = "\t\tLink Config 0: MLWI=%s MLWO=%s LWI=%s LWO=%s\n";
printf(fmt,
ht_link_width(lcnf0 & PCI_HT_LCNF_MLWI),
ht_link_width((lcnf0 & PCI_HT_LCNF_MLWO) >> 4),
ht_link_width((lcnf0 & PCI_HT_LCNF_LWI) >> 8),
ht_link_width((lcnf0 & PCI_HT_LCNF_LWO) >> 12),
FLAG(lcnf0, PCI_HT_LCNF_DFI),
FLAG(lcnf0, PCI_HT_LCNF_DFO),
FLAG(lcnf0, PCI_HT_LCNF_DFIE),
FLAG(lcnf0, PCI_HT_LCNF_DFOE));
lctr1 = get_conf_word(d, where + PCI_HT_PRI_LCTR1);
if (rid >= 0x22)
fmt = "\t\tLink Control 1: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x IsocEn%c LSEn%c ExtCTL%c 64b%c\n";
else
fmt = "\t\tLink Control 1: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x\n";
printf(fmt,
FLAG(lctr1, PCI_HT_LCTR_CFLE),
FLAG(lctr1, PCI_HT_LCTR_CST),
FLAG(lctr1, PCI_HT_LCTR_CFE),
FLAG(lctr1, PCI_HT_LCTR_LKFAIL),
FLAG(lctr1, PCI_HT_LCTR_INIT),
FLAG(lctr1, PCI_HT_LCTR_EOC),
FLAG(lctr1, PCI_HT_LCTR_TXO),
(lctr1 & PCI_HT_LCTR_CRCERR) >> 8,
FLAG(lctr1, PCI_HT_LCTR_ISOCEN),
FLAG(lctr1, PCI_HT_LCTR_LSEN),
FLAG(lctr1, PCI_HT_LCTR_EXTCTL),
FLAG(lctr1, PCI_HT_LCTR_64B));
lcnf1 = get_conf_word(d, where + PCI_HT_PRI_LCNF1);
if (rid >= 0x22)
fmt = "\t\tLink Config 1: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n";
else
fmt = "\t\tLink Config 1: MLWI=%s MLWO=%s LWI=%s LWO=%s\n";
printf(fmt,
ht_link_width(lcnf1 & PCI_HT_LCNF_MLWI),
ht_link_width((lcnf1 & PCI_HT_LCNF_MLWO) >> 4),
ht_link_width((lcnf1 & PCI_HT_LCNF_LWI) >> 8),
ht_link_width((lcnf1 & PCI_HT_LCNF_LWO) >> 12),
FLAG(lcnf1, PCI_HT_LCNF_DFI),
FLAG(lcnf1, PCI_HT_LCNF_DFO),
FLAG(lcnf1, PCI_HT_LCNF_DFIE),
FLAG(lcnf1, PCI_HT_LCNF_DFOE));
printf("\t\tRevision ID: %u.%02u\n",
(rid & PCI_HT_RID_MAJ) >> 5, (rid & PCI_HT_RID_MIN));
if (rid < 0x22)
return;
lfrer0 = get_conf_byte(d, where + PCI_HT_PRI_LFRER0);
printf("\t\tLink Frequency 0: %s\n", ht_link_freq(lfrer0 & PCI_HT_LFRER_FREQ));
printf("\t\tLink Error 0: <Prot%c <Ovfl%c <EOC%c CTLTm%c\n",
FLAG(lfrer0, PCI_HT_LFRER_PROT),
FLAG(lfrer0, PCI_HT_LFRER_OV),
FLAG(lfrer0, PCI_HT_LFRER_EOC),
FLAG(lfrer0, PCI_HT_LFRER_CTLT));
lfcap0 = get_conf_byte(d, where + PCI_HT_PRI_LFCAP0);
printf("\t\tLink Frequency Capability 0: 200MHz%c 300MHz%c 400MHz%c 500MHz%c 600MHz%c 800MHz%c 1.0GHz%c 1.2GHz%c 1.4GHz%c 1.6GHz%c Vend%c\n",
FLAG(lfcap0, PCI_HT_LFCAP_200),
FLAG(lfcap0, PCI_HT_LFCAP_300),
FLAG(lfcap0, PCI_HT_LFCAP_400),
FLAG(lfcap0, PCI_HT_LFCAP_500),
FLAG(lfcap0, PCI_HT_LFCAP_600),
FLAG(lfcap0, PCI_HT_LFCAP_800),
FLAG(lfcap0, PCI_HT_LFCAP_1000),
FLAG(lfcap0, PCI_HT_LFCAP_1200),
FLAG(lfcap0, PCI_HT_LFCAP_1400),
FLAG(lfcap0, PCI_HT_LFCAP_1600),
FLAG(lfcap0, PCI_HT_LFCAP_VEND));
ftr = get_conf_byte(d, where + PCI_HT_PRI_FTR);
printf("\t\tFeature Capability: IsocFC%c LDTSTOP%c CRCTM%c ECTLT%c 64bA%c UIDRD%c\n",
FLAG(ftr, PCI_HT_FTR_ISOCFC),
FLAG(ftr, PCI_HT_FTR_LDTSTOP),
FLAG(ftr, PCI_HT_FTR_CRCTM),
FLAG(ftr, PCI_HT_FTR_ECTLT),
FLAG(ftr, PCI_HT_FTR_64BA),
FLAG(ftr, PCI_HT_FTR_UIDRD));
lfrer1 = get_conf_byte(d, where + PCI_HT_PRI_LFRER1);
printf("\t\tLink Frequency 1: %s\n", ht_link_freq(lfrer1 & PCI_HT_LFRER_FREQ));
printf("\t\tLink Error 1: <Prot%c <Ovfl%c <EOC%c CTLTm%c\n",
FLAG(lfrer1, PCI_HT_LFRER_PROT),
FLAG(lfrer1, PCI_HT_LFRER_OV),
FLAG(lfrer1, PCI_HT_LFRER_EOC),
FLAG(lfrer1, PCI_HT_LFRER_CTLT));
lfcap1 = get_conf_byte(d, where + PCI_HT_PRI_LFCAP1);
printf("\t\tLink Frequency Capability 1: 200MHz%c 300MHz%c 400MHz%c 500MHz%c 600MHz%c 800MHz%c 1.0GHz%c 1.2GHz%c 1.4GHz%c 1.6GHz%c Vend%c\n",
FLAG(lfcap1, PCI_HT_LFCAP_200),
FLAG(lfcap1, PCI_HT_LFCAP_300),
FLAG(lfcap1, PCI_HT_LFCAP_400),
FLAG(lfcap1, PCI_HT_LFCAP_500),
FLAG(lfcap1, PCI_HT_LFCAP_600),
FLAG(lfcap1, PCI_HT_LFCAP_800),
FLAG(lfcap1, PCI_HT_LFCAP_1000),
FLAG(lfcap1, PCI_HT_LFCAP_1200),
FLAG(lfcap1, PCI_HT_LFCAP_1400),
FLAG(lfcap1, PCI_HT_LFCAP_1600),
FLAG(lfcap1, PCI_HT_LFCAP_VEND));
eh = get_conf_word(d, where + PCI_HT_PRI_EH);
printf("\t\tError Handling: PFlE%c OFlE%c PFE%c OFE%c EOCFE%c RFE%c CRCFE%c SERRFE%c CF%c RE%c PNFE%c ONFE%c EOCNFE%c RNFE%c CRCNFE%c SERRNFE%c\n",
FLAG(eh, PCI_HT_EH_PFLE),
FLAG(eh, PCI_HT_EH_OFLE),
FLAG(eh, PCI_HT_EH_PFE),
FLAG(eh, PCI_HT_EH_OFE),
FLAG(eh, PCI_HT_EH_EOCFE),
FLAG(eh, PCI_HT_EH_RFE),
FLAG(eh, PCI_HT_EH_CRCFE),
FLAG(eh, PCI_HT_EH_SERRFE),
FLAG(eh, PCI_HT_EH_CF),
FLAG(eh, PCI_HT_EH_RE),
FLAG(eh, PCI_HT_EH_PNFE),
FLAG(eh, PCI_HT_EH_ONFE),
FLAG(eh, PCI_HT_EH_EOCNFE),
FLAG(eh, PCI_HT_EH_RNFE),
FLAG(eh, PCI_HT_EH_CRCNFE),
FLAG(eh, PCI_HT_EH_SERRNFE));
mbu = get_conf_byte(d, where + PCI_HT_PRI_MBU);
mlu = get_conf_byte(d, where + PCI_HT_PRI_MLU);
printf("\t\tPrefetchable memory behind bridge Upper: %02x-%02x\n", mbu, mlu);
bn = get_conf_byte(d, where + PCI_HT_PRI_BN);
printf("\t\tBus Number: %02x\n", bn);
}
static void
cap_ht_sec(struct device *d, int where, int cmd)
{
u16 lctr, lcnf, ftr, eh;
u8 rid, lfrer, lfcap, mbu, mlu;
char *fmt;
printf("HyperTransport: Host or Secondary Interface\n");
if (verbose < 2)
return;
if (!config_fetch(d, where + PCI_HT_SEC_LCTR, PCI_HT_SEC_SIZEOF - PCI_HT_SEC_LCTR))
return;
rid = get_conf_byte(d, where + PCI_HT_SEC_RID);
if (rid < 0x22 && rid > 0x11)
printf("\t\t!!! Possibly incomplete decoding\n");
if (rid >= 0x22)
fmt = "\t\tCommand: WarmRst%c DblEnd%c DevNum=%u ChainSide%c HostHide%c Slave%c <EOCErr%c DUL%c\n";
else
fmt = "\t\tCommand: WarmRst%c DblEnd%c\n";
printf(fmt,
FLAG(cmd, PCI_HT_SEC_CMD_WR),
FLAG(cmd, PCI_HT_SEC_CMD_DE),
(cmd & PCI_HT_SEC_CMD_DN) >> 2,
FLAG(cmd, PCI_HT_SEC_CMD_CS),
FLAG(cmd, PCI_HT_SEC_CMD_HH),
FLAG(cmd, PCI_HT_SEC_CMD_AS),
FLAG(cmd, PCI_HT_SEC_CMD_HIECE),
FLAG(cmd, PCI_HT_SEC_CMD_DUL));
lctr = get_conf_word(d, where + PCI_HT_SEC_LCTR);
if (rid >= 0x22)
fmt = "\t\tLink Control: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x IsocEn%c LSEn%c ExtCTL%c 64b%c\n";
else
fmt = "\t\tLink Control: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x\n";
printf(fmt,
FLAG(lctr, PCI_HT_LCTR_CFLE),
FLAG(lctr, PCI_HT_LCTR_CST),
FLAG(lctr, PCI_HT_LCTR_CFE),
FLAG(lctr, PCI_HT_LCTR_LKFAIL),
FLAG(lctr, PCI_HT_LCTR_INIT),
FLAG(lctr, PCI_HT_LCTR_EOC),
FLAG(lctr, PCI_HT_LCTR_TXO),
(lctr & PCI_HT_LCTR_CRCERR) >> 8,
FLAG(lctr, PCI_HT_LCTR_ISOCEN),
FLAG(lctr, PCI_HT_LCTR_LSEN),
FLAG(lctr, PCI_HT_LCTR_EXTCTL),
FLAG(lctr, PCI_HT_LCTR_64B));
lcnf = get_conf_word(d, where + PCI_HT_SEC_LCNF);
if (rid >= 0x22)
fmt = "\t\tLink Config: MLWI=%1$s DwFcIn%5$c MLWO=%2$s DwFcOut%6$c LWI=%3$s DwFcInEn%7$c LWO=%4$s DwFcOutEn%8$c\n";
else
fmt = "\t\tLink Config: MLWI=%s MLWO=%s LWI=%s LWO=%s\n";
printf(fmt,
ht_link_width(lcnf & PCI_HT_LCNF_MLWI),
ht_link_width((lcnf & PCI_HT_LCNF_MLWO) >> 4),
ht_link_width((lcnf & PCI_HT_LCNF_LWI) >> 8),
ht_link_width((lcnf & PCI_HT_LCNF_LWO) >> 12),
FLAG(lcnf, PCI_HT_LCNF_DFI),
FLAG(lcnf, PCI_HT_LCNF_DFO),
FLAG(lcnf, PCI_HT_LCNF_DFIE),
FLAG(lcnf, PCI_HT_LCNF_DFOE));
printf("\t\tRevision ID: %u.%02u\n",
(rid & PCI_HT_RID_MAJ) >> 5, (rid & PCI_HT_RID_MIN));
if (rid < 0x22)
return;
lfrer = get_conf_byte(d, where + PCI_HT_SEC_LFRER);
printf("\t\tLink Frequency: %s\n", ht_link_freq(lfrer & PCI_HT_LFRER_FREQ));
printf("\t\tLink Error: <Prot%c <Ovfl%c <EOC%c CTLTm%c\n",
FLAG(lfrer, PCI_HT_LFRER_PROT),
FLAG(lfrer, PCI_HT_LFRER_OV),
FLAG(lfrer, PCI_HT_LFRER_EOC),
FLAG(lfrer, PCI_HT_LFRER_CTLT));
lfcap = get_conf_byte(d, where + PCI_HT_SEC_LFCAP);
printf("\t\tLink Frequency Capability: 200MHz%c 300MHz%c 400MHz%c 500MHz%c 600MHz%c 800MHz%c 1.0GHz%c 1.2GHz%c 1.4GHz%c 1.6GHz%c Vend%c\n",
FLAG(lfcap, PCI_HT_LFCAP_200),
FLAG(lfcap, PCI_HT_LFCAP_300),
FLAG(lfcap, PCI_HT_LFCAP_400),
FLAG(lfcap, PCI_HT_LFCAP_500),
FLAG(lfcap, PCI_HT_LFCAP_600),
FLAG(lfcap, PCI_HT_LFCAP_800),
FLAG(lfcap, PCI_HT_LFCAP_1000),
FLAG(lfcap, PCI_HT_LFCAP_1200),
FLAG(lfcap, PCI_HT_LFCAP_1400),
FLAG(lfcap, PCI_HT_LFCAP_1600),
FLAG(lfcap, PCI_HT_LFCAP_VEND));
ftr = get_conf_word(d, where + PCI_HT_SEC_FTR);
printf("\t\tFeature Capability: IsocFC%c LDTSTOP%c CRCTM%c ECTLT%c 64bA%c UIDRD%c ExtRS%c UCnfE%c\n",
FLAG(ftr, PCI_HT_FTR_ISOCFC),
FLAG(ftr, PCI_HT_FTR_LDTSTOP),
FLAG(ftr, PCI_HT_FTR_CRCTM),
FLAG(ftr, PCI_HT_FTR_ECTLT),
FLAG(ftr, PCI_HT_FTR_64BA),
FLAG(ftr, PCI_HT_FTR_UIDRD),
FLAG(ftr, PCI_HT_SEC_FTR_EXTRS),
FLAG(ftr, PCI_HT_SEC_FTR_UCNFE));
if (ftr & PCI_HT_SEC_FTR_EXTRS)
{
eh = get_conf_word(d, where + PCI_HT_SEC_EH);
printf("\t\tError Handling: PFlE%c OFlE%c PFE%c OFE%c EOCFE%c RFE%c CRCFE%c SERRFE%c CF%c RE%c PNFE%c ONFE%c EOCNFE%c RNFE%c CRCNFE%c SERRNFE%c\n",
FLAG(eh, PCI_HT_EH_PFLE),
FLAG(eh, PCI_HT_EH_OFLE),
FLAG(eh, PCI_HT_EH_PFE),
FLAG(eh, PCI_HT_EH_OFE),
FLAG(eh, PCI_HT_EH_EOCFE),
FLAG(eh, PCI_HT_EH_RFE),
FLAG(eh, PCI_HT_EH_CRCFE),
FLAG(eh, PCI_HT_EH_SERRFE),
FLAG(eh, PCI_HT_EH_CF),
FLAG(eh, PCI_HT_EH_RE),
FLAG(eh, PCI_HT_EH_PNFE),
FLAG(eh, PCI_HT_EH_ONFE),
FLAG(eh, PCI_HT_EH_EOCNFE),
FLAG(eh, PCI_HT_EH_RNFE),
FLAG(eh, PCI_HT_EH_CRCNFE),
FLAG(eh, PCI_HT_EH_SERRNFE));
mbu = get_conf_byte(d, where + PCI_HT_SEC_MBU);
mlu = get_conf_byte(d, where + PCI_HT_SEC_MLU);
printf("\t\tPrefetchable memory behind bridge Upper: %02x-%02x\n", mbu, mlu);
}
}
static void
cap_ht(struct device *d, int where, int cmd)
{
int type;
switch (cmd & PCI_HT_CMD_TYP_HI)
{
case PCI_HT_CMD_TYP_HI_PRI:
cap_ht_pri(d, where, cmd);
return;
case PCI_HT_CMD_TYP_HI_SEC:
cap_ht_sec(d, where, cmd);
return;
}
type = cmd & PCI_HT_CMD_TYP;
switch (type)
{
case PCI_HT_CMD_TYP_SW:
printf("HyperTransport: Switch\n");
break;
case PCI_HT_CMD_TYP_IDC:
printf("HyperTransport: Interrupt Discovery and Configuration\n");
break;
case PCI_HT_CMD_TYP_RID:
printf("HyperTransport: Revision ID: %u.%02u\n",
(cmd & PCI_HT_RID_MAJ) >> 5, (cmd & PCI_HT_RID_MIN));
break;
case PCI_HT_CMD_TYP_UIDC:
printf("HyperTransport: UnitID Clumping\n");
break;
case PCI_HT_CMD_TYP_ECSA:
printf("HyperTransport: Extended Configuration Space Access\n");
break;
case PCI_HT_CMD_TYP_AM:
printf("HyperTransport: Address Mapping\n");
break;
case PCI_HT_CMD_TYP_MSIM:
printf("HyperTransport: MSI Mapping Enable%c Fixed%c\n",
FLAG(cmd, PCI_HT_MSIM_CMD_EN),
FLAG(cmd, PCI_HT_MSIM_CMD_FIXD));
if (verbose >= 2 && !(cmd & PCI_HT_MSIM_CMD_FIXD))
{
u32 offl, offh;
if (!config_fetch(d, where + PCI_HT_MSIM_ADDR_LO, 8))
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));
}
break;
case PCI_HT_CMD_TYP_DR:
printf("HyperTransport: DirectRoute\n");
break;
case PCI_HT_CMD_TYP_VCS:
printf("HyperTransport: VCSet\n");
break;
case PCI_HT_CMD_TYP_RM:
printf("HyperTransport: Retry Mode\n");
break;
case PCI_HT_CMD_TYP_X86:
printf("HyperTransport: X86 (reserved)\n");
break;
default:
printf("HyperTransport: #%02x\n", type >> 11);
}
}
static void
cap_msi(struct device *d, int where, int cap)
{
int is64;
u32 t;
u16 w;
printf("MSI: Enable%c Count=%d/%d Maskable%c 64bit%c\n",
FLAG(cap, PCI_MSI_FLAGS_ENABLE),
1 << ((cap & PCI_MSI_FLAGS_QSIZE) >> 4),
1 << ((cap & PCI_MSI_FLAGS_QMASK) >> 1),
FLAG(cap, PCI_MSI_FLAGS_MASK_BIT),
FLAG(cap, PCI_MSI_FLAGS_64BIT));
if (verbose < 2)
return;
is64 = cap & PCI_MSI_FLAGS_64BIT;
if (!config_fetch(d, where + PCI_MSI_ADDRESS_LO, (is64 ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32) + 2 - PCI_MSI_ADDRESS_LO))
return;
printf("\t\tAddress: ");
if (is64)
{
t = get_conf_long(d, where + PCI_MSI_ADDRESS_HI);
w = get_conf_word(d, where + PCI_MSI_DATA_64);
printf("%08x", t);
}
else
w = get_conf_word(d, where + PCI_MSI_DATA_32);
t = get_conf_long(d, where + PCI_MSI_ADDRESS_LO);
printf("%08x Data: %04x\n", t, w);
if (cap & PCI_MSI_FLAGS_MASK_BIT)
{
u32 mask, pending;
if (is64)
{
if (!config_fetch(d, where + PCI_MSI_MASK_BIT_64, 8))
return;
mask = get_conf_long(d, where + PCI_MSI_MASK_BIT_64);
pending = get_conf_long(d, where + PCI_MSI_PENDING_64);
}
else
{
if (!config_fetch(d, where + PCI_MSI_MASK_BIT_32, 8))
return;
mask = get_conf_long(d, where + PCI_MSI_MASK_BIT_32);
pending = get_conf_long(d, where + PCI_MSI_PENDING_32);
}
printf("\t\tMasking: %08x Pending: %08x\n", mask, pending);
}
}
static float power_limit(int value, int scale)
{
static const float scales[4] = { 1.0, 0.1, 0.01, 0.001 };
return value * scales[scale];
}
static const char *latency_l0s(int value)
{
static const char *latencies[] = { "<64ns", "<128ns", "<256ns", "<512ns", "<1us", "<2us", "<4us", "unlimited" };
return latencies[value];
}
static const char *latency_l1(int value)
{
static const char *latencies[] = { "<1us", "<2us", "<4us", "<8us", "<16us", "<32us", "<64us", "unlimited" };
return latencies[value];
}
static void cap_express_dev(struct device *d, int where, int type)
{
u32 t;
u16 w;
t = get_conf_long(d, where + PCI_EXP_DEVCAP);
printf("\t\tDevCap:\tMaxPayload %d bytes, PhantFunc %d, Latency L0s %s, L1 %s\n",
128 << (t & PCI_EXP_DEVCAP_PAYLOAD),
(1 << ((t & PCI_EXP_DEVCAP_PHANTOM) >> 3)) - 1,
latency_l0s((t & PCI_EXP_DEVCAP_L0S) >> 6),
latency_l1((t & PCI_EXP_DEVCAP_L1) >> 9));
printf("\t\t\tExtTag%c", FLAG(t, PCI_EXP_DEVCAP_EXT_TAG));
if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) ||
(type == PCI_EXP_TYPE_UPSTREAM) || (type == PCI_EXP_TYPE_PCI_BRIDGE))
printf(" AttnBtn%c AttnInd%c PwrInd%c",
FLAG(t, PCI_EXP_DEVCAP_ATN_BUT),
FLAG(t, PCI_EXP_DEVCAP_ATN_IND), FLAG(t, PCI_EXP_DEVCAP_PWR_IND));
printf(" RBE%c FLReset%c",
FLAG(t, PCI_EXP_DEVCAP_RBE),
FLAG(t, PCI_EXP_DEVCAP_FLRESET));
if (type == PCI_EXP_TYPE_UPSTREAM)
printf("SlotPowerLimit %.3fW",
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);
printf("\t\tDevCtl:\tReport errors: Correctable%c Non-Fatal%c Fatal%c Unsupported%c\n",
FLAG(w, PCI_EXP_DEVCTL_CERE),
FLAG(w, PCI_EXP_DEVCTL_NFERE),
FLAG(w, PCI_EXP_DEVCTL_FERE),
FLAG(w, PCI_EXP_DEVCTL_URRE));
printf("\t\t\tRlxdOrd%c ExtTag%c PhantFunc%c AuxPwr%c NoSnoop%c",
FLAG(w, PCI_EXP_DEVCTL_RELAXED),
FLAG(w, PCI_EXP_DEVCTL_EXT_TAG),
FLAG(w, PCI_EXP_DEVCTL_PHANTOM),
FLAG(w, PCI_EXP_DEVCTL_AUX_PME),
FLAG(w, PCI_EXP_DEVCTL_NOSNOOP));
if (type == PCI_EXP_TYPE_PCI_BRIDGE || type == PCI_EXP_TYPE_PCIE_BRIDGE)
printf(" BrConfRtry%c", FLAG(w, PCI_EXP_DEVCTL_BCRE));
if (type == PCI_EXP_TYPE_ENDPOINT && (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",
128 << ((w & PCI_EXP_DEVCTL_PAYLOAD) >> 5),
128 << ((w & PCI_EXP_DEVCTL_READRQ) >> 12));
w = get_conf_word(d, where + PCI_EXP_DEVSTA);
printf("\t\tDevSta:\tCorrErr%c UncorrErr%c FatalErr%c UnsuppReq%c AuxPwr%c TransPend%c\n",
FLAG(w, PCI_EXP_DEVSTA_CED),
FLAG(w, PCI_EXP_DEVSTA_NFED),
FLAG(w, PCI_EXP_DEVSTA_FED),
FLAG(w, PCI_EXP_DEVSTA_URD),
FLAG(w, PCI_EXP_DEVSTA_AUXPD),
FLAG(w, PCI_EXP_DEVSTA_TRPND));
}
static char *link_speed(int speed)
{
switch (speed)
{
case 1:
return "2.5GT/s";
case 2:
return "5GT/s";
default:
return "unknown";
}
}
static char *aspm_support(int code)
{
switch (code)
{
case 1:
return "L0s";
case 3:
return "L0s L1";
default:
return "unknown";
}
}
static const char *aspm_enabled(int code)
{
static const char *desc[] = { "Disabled", "L0s Enabled", "L1 Enabled", "L0s L1 Enabled" };
return desc[code];
}
static void cap_express_link(struct device *d, int where, int type)
{
u32 t;
u16 w;
t = get_conf_long(d, where + PCI_EXP_LNKCAP);
printf("\t\tLnkCap:\tPort #%d, Speed %s, Width x%d, ASPM %s, Latency L0 %s, L1 %s\n",
t >> 24,
link_speed(t & PCI_EXP_LNKCAP_SPEED), (t & PCI_EXP_LNKCAP_WIDTH) >> 4,
aspm_support((t & PCI_EXP_LNKCAP_ASPM) >> 10),
latency_l0s((t & PCI_EXP_LNKCAP_L0S) >> 12),
latency_l1((t & PCI_EXP_LNKCAP_L1) >> 15));
printf("\t\t\tClockPM%c Surprise%c LLActRep%c BwNot%c\n",
FLAG(t, PCI_EXP_LNKCAP_CLOCKPM),
FLAG(t, PCI_EXP_LNKCAP_SURPRISE),
FLAG(t, PCI_EXP_LNKCAP_DLLA),
FLAG(t, PCI_EXP_LNKCAP_LBNC));
w = get_conf_word(d, where + PCI_EXP_LNKCTL);
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))
printf(" RCB %d bytes", w & PCI_EXP_LNKCTL_RCB ? 128 : 64);
printf(" Disabled%c Retrain%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_RETRAIN),
FLAG(w, PCI_EXP_LNKCTL_CLOCK),
FLAG(w, PCI_EXP_LNKCTL_XSYNCH),
FLAG(w, PCI_EXP_LNKCTL_CLOCKPM),
FLAG(w, PCI_EXP_LNKCTL_HWAUTWD),
FLAG(w, PCI_EXP_LNKCTL_BWMIE),
FLAG(w, PCI_EXP_LNKCTL_AUTBWIE));
w = get_conf_word(d, where + PCI_EXP_LNKSTA);
printf("\t\tLnkSta:\tSpeed %s, Width x%d, TrErr%c Train%c SlotClk%c DLActive%c BWMgmt%c ABWMgmt%c\n",
link_speed(w & PCI_EXP_LNKSTA_SPEED),
(w & PCI_EXP_LNKSTA_WIDTH) >> 4,
FLAG(w, PCI_EXP_LNKSTA_TR_ERR),
FLAG(w, PCI_EXP_LNKSTA_TRAIN),
FLAG(w, PCI_EXP_LNKSTA_SL_CLK),
FLAG(w, PCI_EXP_LNKSTA_DL_ACT),
FLAG(w, PCI_EXP_LNKSTA_BWMGMT),
FLAG(w, PCI_EXP_LNKSTA_AUTBW));
}
static const char *indicator(int code)
{
static const char *names[] = { "Unknown", "On", "Blink", "Off" };
return names[code];
}
static void cap_express_slot(struct device *d, int where)
{
u32 t;
u16 w;
t = get_conf_long(d, where + PCI_EXP_SLTCAP);
printf("\t\tSltCap:\tAttnBtn%c PwrCtrl%c MRL%c AttnInd%c PwrInd%c HotPlug%c Surprise%c\n",
FLAG(t, PCI_EXP_SLTCAP_ATNB),
FLAG(t, PCI_EXP_SLTCAP_PWRC),
FLAG(t, PCI_EXP_SLTCAP_MRL),
FLAG(t, PCI_EXP_SLTCAP_ATNI),
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 >> 19,
power_limit((t & PCI_EXP_SLTCAP_PWR_VAL) >> 7, (t & PCI_EXP_SLTCAP_PWR_SCL) >> 15),
FLAG(t, PCI_EXP_SLTCAP_INTERLOCK),
FLAG(t, PCI_EXP_SLTCAP_NOCMDCOMP));
w = get_conf_word(d, where + PCI_EXP_SLTCTL);
printf("\t\tSltCtl:\tEnable: AttnBtn%c PwrFlt%c MRL%c PresDet%c CmdCplt%c HPIrq%c LinkChg%c\n",
FLAG(w, PCI_EXP_SLTCTL_ATNB),
FLAG(w, PCI_EXP_SLTCTL_PWRF),
FLAG(w, PCI_EXP_SLTCTL_MRLS),
FLAG(w, PCI_EXP_SLTCTL_PRSD),
FLAG(w, PCI_EXP_SLTCTL_CMDC),
FLAG(w, PCI_EXP_SLTCTL_HPIE),
FLAG(w, PCI_EXP_SLTCTL_LLCHG));
printf("\t\t\tControl: AttnInd %s, PwrInd %s, Power%c Interlock%c\n",
indicator((w & PCI_EXP_SLTCTL_ATNI) >> 6),
indicator((w & PCI_EXP_SLTCTL_PWRI) >> 8),
FLAG(w, PCI_EXP_SLTCTL_PWRC),
FLAG(w, PCI_EXP_SLTCTL_INTERLOCK));
w = get_conf_word(d, where + PCI_EXP_SLTSTA);
printf("\t\tSltSta:\tStatus: AttnBtn%c PowerFlt%c MRL%c CmdCplt%c PresDet%c Interlock%c\n",
FLAG(w, PCI_EXP_SLTSTA_ATNB),
FLAG(w, PCI_EXP_SLTSTA_PWRF),
FLAG(w, PCI_EXP_SLTSTA_MRL_ST),
FLAG(w, PCI_EXP_SLTSTA_CMDC),
FLAG(w, PCI_EXP_SLTSTA_PRES),
FLAG(w, PCI_EXP_SLTSTA_INTERLOCK));
printf("\t\t\tChanged: MRL%c PresDet%c LinkState%c\n",
FLAG(w, PCI_EXP_SLTSTA_MRLS),
FLAG(w, PCI_EXP_SLTSTA_PRSD),
FLAG(w, PCI_EXP_SLTSTA_LLCHG));
}
static void cap_express_root(struct device *d, int where)
{
u32 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),
FLAG(w, PCI_EXP_RTCTL_SEFEE),
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_word(d, where + PCI_EXP_RTSTA);
printf("\t\tRootSta: PME ReqID %04x, PMEStatus%c PMEPending%c\n",
w & PCI_EXP_RTSTA_PME_REQID,
FLAG(w, PCI_EXP_RTSTA_PME_STATUS),
FLAG(w, PCI_EXP_RTSTA_PME_PENDING));
}
static const char *cap_express_dev2_timeout_range(int type)
{
/* Decode Completion Timeout Ranges. */
switch (type)
{
case 0:
return "Not Supported";
case 1:
return "Range A";
case 2:
return "Range B";
case 3:
return "Range AB";
case 6:
return "Range BC";
case 7:
return "Range ABC";
case 14:
return "Range BCD";
case 15:
return "Range ABCD";
default:
return "Unknown";
}
}
static const char *cap_express_dev2_timeout_value(int type)
{
/* Decode Completion Timeout Value. */
switch (type)
{
case 0:
return "50us to 50ms";
case 1:
return "50us to 100us";
case 2:
return "1ms to 10ms";
case 5:
return "16ms to 55ms";
case 6:
return "65ms to 210ms";
case 9:
return "260ms to 900ms";
case 10:
return "1s to 3.5s";
case 13:
return "4s to 13s";
case 14:
return "17s to 64s";
default:
return "Unknown";
}
}
static void cap_express_dev2(struct device *d, int where, int type)
{
u32 l;
u16 w;
l = get_conf_long(d, where + PCI_EXP_DEVCAP2);
printf("\t\tDevCap2: Completion Timeout: %s, TimeoutDis%c",
cap_express_dev2_timeout_range(PCI_EXP_DEV2_TIMEOUT_RANGE(l)),
FLAG(l, PCI_EXP_DEV2_TIMEOUT_DIS));
if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
printf(" ARIFwd%c\n", FLAG(l, PCI_EXP_DEV2_ARI));
else
printf("\n");
w = get_conf_word(d, where + PCI_EXP_DEVCTL2);
printf("\t\tDevCtl2: Completion Timeout: %s, TimeoutDis%c",
cap_express_dev2_timeout_value(PCI_EXP_DEV2_TIMEOUT_VALUE(w)),
FLAG(w, PCI_EXP_DEV2_TIMEOUT_DIS));
if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
printf(" ARIFwd%c\n", FLAG(w, PCI_EXP_DEV2_ARI));
else
printf("\n");
}
static const char *cap_express_link2_speed(int type)
{
switch (type)
{
case 0: /* hardwire to 0 means only the 2.5GT/s is supported */
case 1:
return "2.5GT/s";
case 2:
return "5GT/s";
default:
return "Unknown";
}
}
static const char *cap_express_link2_deemphasis(int type)
{
switch (type)
{
case 0:
return "-6dB";
case 1:
return "-3.5dB";
default:
return "Unknown";
}
}
static const char *cap_express_link2_transmargin(int type)
{
switch (type)
{
case 0:
return "Normal Operating Range";
case 1:
return "800-1200mV(full-swing)/400-700mV(half-swing)";
case 2:
case 3:
case 4:
case 5:
return "200-400mV(full-swing)/100-200mV(half-swing)";
default:
return "Unknown";
}
}
static void cap_express_link2(struct device *d, int where, int type UNUSED)
{
u16 w;
w = get_conf_word(d, where + PCI_EXP_LNKCTL2);
printf("\t\tLnkCtl2: Target Link Speed: %s, EnterCompliance%c SpeedDis%c, Selectable De-emphasis: %s\n"
"\t\t\t Transmit Margin: %s, EnterModifiedCompliance%c ComplianceSOS%c\n"
"\t\t\t Compliance De-emphasis: %s\n",
cap_express_link2_speed(PCI_EXP_LNKCTL2_SPEED(w)),
FLAG(w, PCI_EXP_LNKCTL2_CMPLNC),
FLAG(w, PCI_EXP_LNKCTL2_SPEED_DIS),
cap_express_link2_deemphasis(PCI_EXP_LNKCTL2_DEEMPHASIS(w)),
cap_express_link2_transmargin(PCI_EXP_LNKCTL2_MARGIN(w)),