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-rw-r--r--ls-caps.c1827
1 files changed, 1827 insertions, 0 deletions
diff --git a/ls-caps.c b/ls-caps.c
new file mode 100644
index 0000000..a481b16
--- /dev/null
+++ b/ls-caps.c
@@ -0,0 +1,1827 @@
+/*
+ * The PCI Utilities -- Show Capabilities
+ *
+ * Copyright (c) 1997--2018 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 & PCI_PM_CAP_AUX_C_MASK) >> 6],
+ 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(b, PCI_PM_BPCC_ENABLE),
+ FLAG(~b, 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 & PCI_PCIX_STATUS_BUS) >> 8,
+ (status & PCI_PCIX_STATUS_DEVICE) >> 3,
+ (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 & PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT) >> 21)),
+ max_outstanding[(status & PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS) >> 23],
+ 1 << (3 + ((status & PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE) >> 26)),
+ 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 & PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ) >> 6]);
+ 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 & PCI_PCIX_BRIDGE_STATUS_BUS) >> 8,
+ (status & PCI_PCIX_BRIDGE_STATUS_DEVICE) >> 3,
+ (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;
+
+ 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");
+
+ printf("\t\tCommand: BaseUnitID=%u UnitCnt=%u MastHost%c DefDir%c",
+ (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));
+ if (rid >= 0x22)
+ printf(" DUL%c", FLAG(cmd, PCI_HT_PRI_CMD_DUL));
+ printf("\n");
+
+ lctr0 = get_conf_word(d, where + PCI_HT_PRI_LCTR0);
+ printf("\t\tLink Control 0: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x",
+ 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);
+ if (rid >= 0x22)
+ printf(" IsocEn%c LSEn%c ExtCTL%c 64b%c",
+ FLAG(lctr0, PCI_HT_LCTR_ISOCEN),
+ FLAG(lctr0, PCI_HT_LCTR_LSEN),
+ FLAG(lctr0, PCI_HT_LCTR_EXTCTL),
+ FLAG(lctr0, PCI_HT_LCTR_64B));
+ printf("\n");
+
+ lcnf0 = get_conf_word(d, where + PCI_HT_PRI_LCNF0);
+ if (rid < 0x22)
+ printf("\t\tLink Config 0: MLWI=%s MLWO=%s LWI=%s LWO=%s\n",
+ 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));
+ else
+ printf("\t\tLink Config 0: MLWI=%s DwFcIn%c MLWO=%s DwFcOut%c LWI=%s DwFcInEn%c LWO=%s DwFcOutEn%c\n",
+ ht_link_width(lcnf0 & PCI_HT_LCNF_MLWI),
+ FLAG(lcnf0, PCI_HT_LCNF_DFI),
+ ht_link_width((lcnf0 & PCI_HT_LCNF_MLWO) >> 4),
+ FLAG(lcnf0, PCI_HT_LCNF_DFO),
+ ht_link_width((lcnf0 & PCI_HT_LCNF_LWI) >> 8),
+ FLAG(lcnf0, PCI_HT_LCNF_DFIE),
+ ht_link_width((lcnf0 & PCI_HT_LCNF_LWO) >> 12),
+ FLAG(lcnf0, PCI_HT_LCNF_DFOE));
+
+ lctr1 = get_conf_word(d, where + PCI_HT_PRI_LCTR1);
+ printf("\t\tLink Control 1: CFlE%c CST%c CFE%c <LkFail%c Init%c EOC%c TXO%c <CRCErr=%x",
+ 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);
+ if (rid >= 0x22)
+ printf(" IsocEn%c LSEn%c ExtCTL%c 64b%c",
+ FLAG(lctr1, PCI_HT_LCTR_ISOCEN),
+ FLAG(lctr1, PCI_HT_LCTR_LSEN),
+ FLAG(lctr1, PCI_HT_LCTR_EXTCTL),
+ FLAG(lctr1, PCI_HT_LCTR_64B));
+ printf("\n");
+
+ lcnf1 = get_conf_word(d, where + PCI_HT_PRI_LCNF1);
+ if (rid < 0x22)
+ printf("\t\tLink Config 1: MLWI=%s MLWO=%s LWI=%s LWO=%s\n",
+ 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));
+ else
+ printf("\t\tLink Config 1: MLWI=%s DwFcIn%c MLWO=%s DwFcOut%c LWI=%s DwFcInEn%c LWO=%s DwFcOutEn%c\n",
+ ht_link_width(lcnf1 & PCI_HT_LCNF_MLWI),
+ FLAG(lcnf1, PCI_HT_LCNF_DFI),
+ ht_link_width((lcnf1 & PCI_HT_LCNF_MLWO) >> 4),
+ FLAG(lcnf1, PCI_HT_LCNF_DFO),
+ ht_link_width((lcnf1 & PCI_HT_LCNF_LWI) >> 8),
+ FLAG(lcnf1, PCI_HT_LCNF_DFIE),
+ ht_link_width((lcnf1 & PCI_HT_LCNF_LWO) >> 12),
+ 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: %016" PCI_U64_FMT_X "\n", ((u64)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 int exp_downstream_port(int type)
+{
+ return type == PCI_EXP_TYPE_ROOT_PORT ||
+ type == PCI_EXP_TYPE_DOWNSTREAM ||
+ type == PCI_EXP_TYPE_PCIE_BRIDGE; /* PCI/PCI-X to PCIe Bridge */
+}
+
+static void show_power_limit(int value, int scale)
+{
+ static const float scales[4] = { 1.0, 0.1, 0.01, 0.001 };
+
+ if (scale == 0 && value == 0xFF)
+ {
+ printf(">600W");
+ return;
+ }
+
+ if (scale == 0 && value >= 0xF0 && value <= 0xFE)
+ value = 250 + 25 * (value - 0xF0);
+
+ printf("%gW", value * scales[scale]);
+}
+
+static const char *latency_l0s(int value)
+{
+ 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",
+ 128 << (t & PCI_EXP_DEVCAP_PAYLOAD),
+ (1 << ((t & PCI_EXP_DEVCAP_PHANTOM) >> 3)) - 1);
+ if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END))
+ printf(", Latency L0s %s, L1 %s",
+ latency_l0s((t & PCI_EXP_DEVCAP_L0S) >> 6),
+ latency_l1((t & PCI_EXP_DEVCAP_L1) >> 9));
+ printf("\n");
+ 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",
+ FLAG(t, PCI_EXP_DEVCAP_RBE));
+ if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) || (type == PCI_EXP_TYPE_ROOT_INT_EP))
+ printf(" FLReset%c",
+ FLAG(t, PCI_EXP_DEVCAP_FLRESET));
+ if ((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_UPSTREAM) ||
+ (type == PCI_EXP_TYPE_PCI_BRIDGE))
+ {
+ printf(" SlotPowerLimit ");
+ show_power_limit((t & PCI_EXP_DEVCAP_PWR_VAL) >> 18, (t & PCI_EXP_DEVCAP_PWR_SCL) >> 26);
+ }
+ printf("\n");
+
+ w = get_conf_word(d, where + PCI_EXP_DEVCTL);
+ printf("\t\tDevCtl:\tCorrErr%c NonFatalErr%c FatalErr%c UnsupReq%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)
+ printf(" BrConfRtry%c", FLAG(w, PCI_EXP_DEVCTL_BCRE));
+ if (((type == PCI_EXP_TYPE_ENDPOINT) || (type == PCI_EXP_TYPE_LEG_END) || (type == PCI_EXP_TYPE_ROOT_INT_EP)) &&
+ (t & PCI_EXP_DEVCAP_FLRESET))
+ printf(" FLReset%c", FLAG(w, PCI_EXP_DEVCTL_FLRESET));
+ printf("\n\t\t\tMaxPayload %d bytes, MaxReadReq %d bytes\n",
+ 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 NonFatalErr%c FatalErr%c UnsupReq%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";
+ case 3:
+ return "8GT/s";
+ case 4:
+ return "16GT/s";
+ case 5:
+ return "32GT/s";
+ case 6:
+ return "64GT/s";
+ default:
+ return "unknown";
+ }
+}
+
+static char *link_compare(int type, int sta, int cap)
+{
+ if (sta > cap)
+ return " (overdriven)";
+ if (sta == cap)
+ return "";
+ if ((type == PCI_EXP_TYPE_ROOT_PORT) || (type == PCI_EXP_TYPE_DOWNSTREAM) ||
+ (type == PCI_EXP_TYPE_PCIE_BRIDGE))
+ return "";
+ return " (downgraded)";
+}
+
+static char *aspm_support(int code)
+{
+ switch (code)
+ {
+ case 0:
+ return "not supported";
+ case 1:
+ return "L0s";
+ case 2:
+ return "L1";
+ 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, aspm, cap_speed, cap_width, sta_speed, sta_width;
+ u16 w;
+
+ t = get_conf_long(d, where + PCI_EXP_LNKCAP);
+ aspm = (t & PCI_EXP_LNKCAP_ASPM) >> 10;
+ cap_speed = t & PCI_EXP_LNKCAP_SPEED;
+ cap_width = (t & PCI_EXP_LNKCAP_WIDTH) >> 4;
+ printf("\t\tLnkCap:\tPort #%d, Speed %s, Width x%d, ASPM %s",
+ t >> 24,
+ link_speed(cap_speed), cap_width,
+ aspm_support(aspm));
+ if (aspm)
+ {
+ printf(", Exit Latency ");
+ if (aspm & 1)
+ printf("L0s %s", latency_l0s((t & PCI_EXP_LNKCAP_L0S) >> 12));
+ if (aspm & 2)
+ printf("%sL1 %s", (aspm & 1) ? ", " : "",
+ latency_l1((t & PCI_EXP_LNKCAP_L1) >> 15));
+ }
+ printf("\n");
+ printf("\t\t\tClockPM%c Surprise%c LLActRep%c BwNot%c ASPMOptComp%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),
+ FLAG(t, PCI_EXP_LNKCAP_AOC));
+
+ 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) || (type == PCI_EXP_TYPE_PCI_BRIDGE))
+ printf(" RCB %d bytes,", w & PCI_EXP_LNKCTL_RCB ? 128 : 64);
+ printf(" Disabled%c CommClk%c\n\t\t\tExtSynch%c ClockPM%c AutWidDis%c BWInt%c AutBWInt%c\n",
+ FLAG(w, PCI_EXP_LNKCTL_DISABLE),
+ FLAG(w, PCI_EXP_LNKCTL_CLOCK),
+ 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);
+ sta_speed = w & PCI_EXP_LNKSTA_SPEED;
+ sta_width = (w & PCI_EXP_LNKSTA_WIDTH) >> 4;
+ printf("\t\tLnkSta:\tSpeed %s%s, Width x%d%s\n",
+ link_speed(sta_speed),
+ link_compare(type, sta_speed, cap_speed),
+ sta_width,
+ link_compare(type, sta_width, cap_width));
+ printf("\t\t\tTrErr%c Train%c SlotClk%c DLActive%c BWMgmt%c ABWMgmt%c\n",
+ FLAG(w, PCI_EXP_LNKSTA_TR_ERR),
+ FLAG(w, PCI_EXP_LNKSTA_TRAIN),
+ 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 ",
+ (t & PCI_EXP_SLTCAP_PSN) >> 19);
+ show_power_limit((t & PCI_EXP_SLTCAP_PWR_VAL) >> 7, (t & PCI_EXP_SLTCAP_PWR_SCL) >> 15);
+ printf("; Interlock%c NoCompl%c\n",
+ FLAG(t, PCI_EXP_SLTCAP_INTERLOCK),
+ FLAG(t, PCI_EXP_SLTCAP_NOCMDCOMP));
+
+ 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;
+
+ w = get_conf_word(d, where + PCI_EXP_RTCAP);
+ printf("\t\tRootCap: CRSVisible%c\n",
+ FLAG(w, PCI_EXP_RTCAP_CRSVIS));
+
+ w = get_conf_word(d, where + PCI_EXP_RTCTL);
+ printf("\t\tRootCtl: ErrCorrectable%c ErrNon-Fatal%c ErrFatal%c PMEIntEna%c CRSVisible%c\n",
+ FLAG(w, PCI_EXP_RTCTL_SECEE),
+ FLAG(w, PCI_EXP_RTCTL_SENFEE),
+ FLAG(w, PCI_EXP_RTCTL_SEFEE),
+ FLAG(w, PCI_EXP_RTCTL_PMEIE),
+ FLAG(w, PCI_EXP_RTCTL_CRSVIS));
+
+ w = get_conf_long(d, where + PCI_EXP_RTSTA);
+ printf("\t\tRootSta: PME ReqID %04x, PMEStatus%c PMEPending%c\n",
+ w & PCI_EXP_RTSTA_PME_REQID,
+ 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 const char *cap_express_devcap2_obff(int obff)
+{
+ switch (obff)
+ {
+ case 1:
+ return "Via message";
+ case 2:
+ return "Via WAKE#";
+ case 3:
+ return "Via message/WAKE#";
+ default:
+ return "Not Supported";
+ }
+}
+
+static const char *cap_express_devcap2_epr(int epr)
+{
+ switch (epr)
+ {
+ case 1:
+ return "Dev Specific";
+ case 2:
+ return "Form Factor Dev Specific";
+ case 3:
+ return "Reserved";
+ default:
+ return "Not Supported";
+ }
+}
+
+static const char *cap_express_devcap2_lncls(int lncls)
+{
+ switch (lncls)
+ {
+ case 1:
+ return "64byte cachelines";
+ case 2:
+ return "128byte cachelines";
+ case 3:
+ return "Reserved";
+ default:
+ return "Not Supported";
+ }
+}
+
+static const char *cap_express_devcap2_tphcomp(int tph)
+{
+ switch (tph)
+ {
+ case 1:
+ return "TPHComp+ ExtTPHComp-";
+ case 2:
+ /* Reserved; intentionally left blank */
+ return "";
+ case 3:
+ return "TPHComp+ ExtTPHComp+";
+ default:
+ return "TPHComp- ExtTPHComp-";
+ }
+}
+
+static const char *cap_express_devctl2_obff(int obff)
+{
+ switch (obff)
+ {
+ case 0:
+ return "Disabled";
+ case 1:
+ return "Via message A";
+ case 2:
+ return "Via message B";
+ case 3:
+ return "Via WAKE#";
+ default:
+ return "Unknown";
+ }
+}
+
+static int
+device_has_memory_space_bar(struct device *d)
+{
+ struct pci_dev *p = d->dev;
+ int i, found = 0;
+
+ for (i=0; i<6; i++)
+ if (p->base_addr[i] || p->size[i])
+ {
+ if (!(p->base_addr[i] & PCI_BASE_ADDRESS_SPACE_IO))
+ {
+ found = 1;
+ break;
+ }
+ }
+ return found;
+}
+
+static void cap_express_dev2(struct device *d, int where, int type)
+{
+ u32 l;
+ u16 w;
+ int has_mem_bar = device_has_memory_space_bar(d);
+
+ l = get_conf_long(d, where + PCI_EXP_DEVCAP2);
+ printf("\t\tDevCap2: Completion Timeout: %s, TimeoutDis%c NROPrPrP%c LTR%c",
+ cap_express_dev2_timeout_range(PCI_EXP_DEVCAP2_TIMEOUT_RANGE(l)),
+ FLAG(l, PCI_EXP_DEVCAP2_TIMEOUT_DIS),
+ FLAG(l, PCI_EXP_DEVCAP2_NROPRPRP),
+ FLAG(l, PCI_EXP_DEVCAP2_LTR));
+ printf("\n\t\t\t 10BitTagComp%c 10BitTagReq%c OBFF %s, ExtFmt%c EETLPPrefix%c",
+ FLAG(l, PCI_EXP_DEVCAP2_10BIT_TAG_COMP),
+ FLAG(l, PCI_EXP_DEVCAP2_10BIT_TAG_REQ),
+ cap_express_devcap2_obff(PCI_EXP_DEVCAP2_OBFF(l)),
+ FLAG(l, PCI_EXP_DEVCAP2_EXTFMT),
+ FLAG(l, PCI_EXP_DEVCAP2_EE_TLP));
+
+ if (PCI_EXP_DEVCAP2_EE_TLP == (l & PCI_EXP_DEVCAP2_EE_TLP))
+ {
+ printf(", MaxEETLPPrefixes %d",
+ PCI_EXP_DEVCAP2_MEE_TLP(l) ? PCI_EXP_DEVCAP2_MEE_TLP(l) : 4);
+ }
+
+ printf("\n\t\t\t EmergencyPowerReduction %s, EmergencyPowerReductionInit%c",
+ cap_express_devcap2_epr(PCI_EXP_DEVCAP2_EPR(l)),
+ FLAG(l, PCI_EXP_DEVCAP2_EPR_INIT));
+ printf("\n\t\t\t FRS%c", FLAG(l, PCI_EXP_DEVCAP2_FRS));
+
+ if (type == PCI_EXP_TYPE_ROOT_PORT)
+ printf(" LN System CLS %s,",
+ cap_express_devcap2_lncls(PCI_EXP_DEVCAP2_LN_CLS(l)));
+
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ENDPOINT)
+ printf(" %s", cap_express_devcap2_tphcomp(PCI_EXP_DEVCAP2_TPH_COMP(l)));
+
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
+ printf(" ARIFwd%c\n", FLAG(l, PCI_EXP_DEVCAP2_ARI));
+ else
+ printf("\n");
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_UPSTREAM ||
+ type == PCI_EXP_TYPE_DOWNSTREAM || has_mem_bar)
+ {
+ printf("\t\t\t AtomicOpsCap:");
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_UPSTREAM ||
+ type == PCI_EXP_TYPE_DOWNSTREAM)
+ printf(" Routing%c", FLAG(l, PCI_EXP_DEVCAP2_ATOMICOP_ROUTING));
+ if (type == PCI_EXP_TYPE_ROOT_PORT || has_mem_bar)
+ printf(" 32bit%c 64bit%c 128bitCAS%c",
+ FLAG(l, PCI_EXP_DEVCAP2_32BIT_ATOMICOP_COMP),
+ FLAG(l, PCI_EXP_DEVCAP2_64BIT_ATOMICOP_COMP),
+ FLAG(l, PCI_EXP_DEVCAP2_128BIT_CAS_COMP));
+ printf("\n");
+ }
+
+ w = get_conf_word(d, where + PCI_EXP_DEVCTL2);
+ printf("\t\tDevCtl2: Completion Timeout: %s, TimeoutDis%c LTR%c 10BitTagReq%c OBFF %s,",
+ cap_express_dev2_timeout_value(PCI_EXP_DEVCTL2_TIMEOUT_VALUE(w)),
+ FLAG(w, PCI_EXP_DEVCTL2_TIMEOUT_DIS),
+ FLAG(w, PCI_EXP_DEVCTL2_LTR),
+ FLAG(w, PCI_EXP_DEVCTL2_10BIT_TAG_REQ),
+ cap_express_devctl2_obff(PCI_EXP_DEVCTL2_OBFF(w)));
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
+ printf(" ARIFwd%c\n", FLAG(w, PCI_EXP_DEVCTL2_ARI));
+ else
+ printf("\n");
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_UPSTREAM ||
+ type == PCI_EXP_TYPE_DOWNSTREAM || type == PCI_EXP_TYPE_ENDPOINT ||
+ type == PCI_EXP_TYPE_ROOT_INT_EP || type == PCI_EXP_TYPE_LEG_END)
+ {
+ printf("\t\t\t AtomicOpsCtl:");
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ENDPOINT ||
+ type == PCI_EXP_TYPE_ROOT_INT_EP || type == PCI_EXP_TYPE_LEG_END)
+ printf(" ReqEn%c", FLAG(w, PCI_EXP_DEVCTL2_ATOMICOP_REQUESTER_EN));
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_UPSTREAM ||
+ type == PCI_EXP_TYPE_DOWNSTREAM)
+ printf(" EgressBlck%c", FLAG(w, PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK));
+ printf("\n");
+ }
+}
+
+static const char *cap_express_link2_speed_cap(int vector)
+{
+ /*
+ * Per PCIe r5.0, sec 8.2.1, a device must support 2.5GT/s and is not
+ * permitted to skip support for any data rates between 2.5GT/s and the
+ * highest supported rate.
+ */
+ if (vector & 0x60)
+ return "RsvdP";
+ if (vector & 0x10)
+ return "2.5-32GT/s";
+ if (vector & 0x08)
+ return "2.5-16GT/s";
+ if (vector & 0x04)
+ return "2.5-8GT/s";
+ if (vector & 0x02)
+ return "2.5-5GT/s";
+ if (vector & 0x01)
+ return "2.5GT/s";
+
+ return "Unknown";
+}
+
+static const char *cap_express_link2_speed(int type)
+{
+ switch (type)
+ {
+ case 0: /* hardwire to 0 means only the 2.5GT/s is supported */
+ case 1:
+ return "2.5GT/s";
+ case 2:
+ return "5GT/s";
+ case 3:
+ return "8GT/s";
+ case 4:
+ return "16GT/s";
+ case 5:
+ return "32GT/s";
+ case 6:
+ return "64GT/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_compliance_preset(int type)
+{
+ switch (type)
+ {
+ case 0:
+ return "-6dB de-emphasis, 0dB preshoot";
+ case 1:
+ return "-3.5dB de-emphasis, 0dB preshoot";
+ case 2:
+ return "-4.4dB de-emphasis, 0dB preshoot";
+ case 3:
+ return "-2.5dB de-emphasis, 0dB preshoot";
+ case 4:
+ return "0dB de-emphasis, 0dB preshoot";
+ case 5:
+ return "0dB de-emphasis, 1.9dB preshoot";
+ case 6:
+ return "0dB de-emphasis, 2.5dB preshoot";
+ case 7:
+ return "-6.0dB de-emphasis, 3.5dB preshoot";
+ case 8:
+ return "-3.5dB de-emphasis, 3.5dB preshoot";
+ case 9:
+ return "0dB de-emphasis, 3.5dB preshoot";
+ default:
+ return "Unknown";
+ }
+}
+
+static const char *cap_express_link2_transmargin(int type)
+{
+ switch (type)
+ {
+ 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 const char *cap_express_link2_crosslink_res(int crosslink)
+{
+ switch (crosslink)
+ {
+ case 0:
+ return "unsupported";
+ case 1:
+ return "Upstream Port";
+ case 2:
+ return "Downstream Port";
+ default:
+ return "incomplete";
+ }
+}
+
+static const char *cap_express_link2_component(int presence)
+{
+ switch (presence)
+ {
+ case 0:
+ return "Link Down - Not Determined";
+ case 1:
+ return "Link Down - Not Present";
+ case 2:
+ return "Link Down - Present";
+ case 4:
+ return "Link Up - Present";
+ case 5:
+ return "Link Up - Present and DRS Received";
+ default:
+ return "Reserved";
+ }
+}
+
+static void cap_express_link2(struct device *d, int where, int type)
+{
+ u32 l = 0;
+ u16 w;
+
+ if (!((type == PCI_EXP_TYPE_ENDPOINT || type == PCI_EXP_TYPE_LEG_END) &&
+ (d->dev->dev != 0 || d->dev->func != 0))) {
+ /* Link Capabilities 2 was reserved before PCIe r3.0 */
+ l = get_conf_long(d, where + PCI_EXP_LNKCAP2);
+ if (l) {
+ printf("\t\tLnkCap2: Supported Link Speeds: %s, Crosslink%c "
+ "Retimer%c 2Retimers%c DRS%c\n",
+ cap_express_link2_speed_cap(PCI_EXP_LNKCAP2_SPEED(l)),
+ FLAG(l, PCI_EXP_LNKCAP2_CROSSLINK),
+ FLAG(l, PCI_EXP_LNKCAP2_RETIMER),
+ FLAG(l, PCI_EXP_LNKCAP2_2RETIMERS),
+ FLAG(l, PCI_EXP_LNKCAP2_DRS));
+ }
+
+ w = get_conf_word(d, where + PCI_EXP_LNKCTL2);
+ printf("\t\tLnkCtl2: Target Link Speed: %s, EnterCompliance%c SpeedDis%c",
+ cap_express_link2_speed(PCI_EXP_LNKCTL2_SPEED(w)),
+ FLAG(w, PCI_EXP_LNKCTL2_CMPLNC),
+ FLAG(w, PCI_EXP_LNKCTL2_SPEED_DIS));
+ if (type == PCI_EXP_TYPE_DOWNSTREAM)
+ printf(", Selectable De-emphasis: %s",
+ cap_express_link2_deemphasis(PCI_EXP_LNKCTL2_DEEMPHASIS(w)));
+ printf("\n"
+ "\t\t\t Transmit Margin: %s, EnterModifiedCompliance%c ComplianceSOS%c\n"
+ "\t\t\t Compliance Preset/De-emphasis: %s\n",
+ cap_express_link2_transmargin(PCI_EXP_LNKCTL2_MARGIN(w)),
+ FLAG(w, PCI_EXP_LNKCTL2_MOD_CMPLNC),
+ FLAG(w, PCI_EXP_LNKCTL2_CMPLNC_SOS),
+ cap_express_link2_compliance_preset(PCI_EXP_LNKCTL2_COM_DEEMPHASIS(w)));
+ }
+
+ w = get_conf_word(d, where + PCI_EXP_LNKSTA2);
+ printf("\t\tLnkSta2: Current De-emphasis Level: %s, EqualizationComplete%c EqualizationPhase1%c\n"
+ "\t\t\t EqualizationPhase2%c EqualizationPhase3%c LinkEqualizationRequest%c\n"
+ "\t\t\t Retimer%c 2Retimers%c CrosslinkRes: %s",
+ cap_express_link2_deemphasis(PCI_EXP_LINKSTA2_DEEMPHASIS(w)),
+ FLAG(w, PCI_EXP_LINKSTA2_EQU_COMP),
+ FLAG(w, PCI_EXP_LINKSTA2_EQU_PHASE1),
+ FLAG(w, PCI_EXP_LINKSTA2_EQU_PHASE2),
+ FLAG(w, PCI_EXP_LINKSTA2_EQU_PHASE3),
+ FLAG(w, PCI_EXP_LINKSTA2_EQU_REQ),
+ FLAG(w, PCI_EXP_LINKSTA2_RETIMER),
+ FLAG(w, PCI_EXP_LINKSTA2_2RETIMERS),
+ cap_express_link2_crosslink_res(PCI_EXP_LINKSTA2_CROSSLINK(w)));
+
+ if (exp_downstream_port(type) && (l & PCI_EXP_LNKCAP2_DRS)) {
+ printf(", DRS%c\n"
+ "\t\t\t DownstreamComp: %s\n",
+ FLAG(w, PCI_EXP_LINKSTA2_DRS_RCVD),
+ cap_express_link2_component(PCI_EXP_LINKSTA2_COMPONENT(w)));
+ } else
+ printf("\n");
+}
+
+static void cap_express_slot2(struct device *d UNUSED, int where UNUSED)
+{
+ /* No capabilities that require this field in PCIe rev2.0 spec. */
+}
+
+static int
+cap_express(struct device *d, int where, int cap)
+{
+ int type = (cap & PCI_EXP_FLAGS_TYPE) >> 4;
+ int size;
+ int slot = 0;
+ int link = 1;
+
+ printf("Express ");
+ if (verbose >= 2)
+ printf("(v%d) ", cap & PCI_EXP_FLAGS_VERS);
+ switch (type)
+ {
+ case PCI_EXP_TYPE_ENDPOINT:
+ printf("Endpoint");
+ break;
+ case PCI_EXP_TYPE_LEG_END:
+ printf("Legacy Endpoint");
+ break;
+ case PCI_EXP_TYPE_ROOT_PORT:
+ slot = cap & PCI_EXP_FLAGS_SLOT;
+ printf("Root Port (Slot%c)", FLAG(cap, PCI_EXP_FLAGS_SLOT));
+ break;
+ case PCI_EXP_TYPE_UPSTREAM:
+ printf("Upstream Port");
+ break;
+ case PCI_EXP_TYPE_DOWNSTREAM:
+ slot = cap & PCI_EXP_FLAGS_SLOT;
+ printf("Downstream Port (Slot%c)", FLAG(cap, PCI_EXP_FLAGS_SLOT));
+ break;
+ case PCI_EXP_TYPE_PCI_BRIDGE:
+ printf("PCI-Express to PCI/PCI-X Bridge");
+ break;
+ case PCI_EXP_TYPE_PCIE_BRIDGE:
+ slot = cap & PCI_EXP_FLAGS_SLOT;
+ printf("PCI/PCI-X to PCI-Express Bridge (Slot%c)",
+ FLAG(cap, PCI_EXP_FLAGS_SLOT));
+ break;
+ case PCI_EXP_TYPE_ROOT_INT_EP:
+ link = 0;
+ printf("Root Complex Integrated Endpoint");
+ break;
+ case PCI_EXP_TYPE_ROOT_EC:
+ link = 0;
+ printf("Root Complex Event Collector");
+ break;
+ default:
+ printf("Unknown type %d", type);
+ }
+ printf(", MSI %02x\n", (cap & PCI_EXP_FLAGS_IRQ) >> 9);
+ if (verbose < 2)
+ return type;
+
+ size = 16;
+ if (slot)
+ size = 24;
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ROOT_EC)
+ size = 32;
+ if (!config_fetch(d, where + PCI_EXP_DEVCAP, size))
+ return type;
+
+ cap_express_dev(d, where, type);
+ if (link)
+ cap_express_link(d, where, type);
+ if (slot)
+ cap_express_slot(d, where);
+ if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ROOT_EC)
+ cap_express_root(d, where);
+
+ if ((cap & PCI_EXP_FLAGS_VERS) < 2)
+ return type;
+
+ size = 16;
+ if (slot)
+ size = 24;
+ if (!config_fetch(d, where + PCI_EXP_DEVCAP2, size))
+ return type;
+
+ cap_express_dev2(d, where, type);
+ if (link)
+ cap_express_link2(d, where, type);
+ if (slot)
+ cap_express_slot2(d, where);
+ return type;
+}
+
+static void
+cap_msix(struct device *d, int where, int cap)
+{
+ u32 off;
+
+ printf("MSI-X: Enable%c Count=%d Masked%c\n",
+ FLAG(cap, PCI_MSIX_ENABLE),
+ (cap & PCI_MSIX_TABSIZE) + 1,
+ FLAG(cap, PCI_MSIX_MASK));
+ if (verbose < 2 || !config_fetch(d, where + PCI_MSIX_TABLE, 8))
+ return;
+
+ off = get_conf_long(d, where + PCI_MSIX_TABLE);
+ printf("\t\tVector table: BAR=%d offset=%08x\n",
+ off & PCI_MSIX_BIR, off & ~PCI_MSIX_BIR);
+ off = get_conf_long(d, where + PCI_MSIX_PBA);
+ printf("\t\tPBA: BAR=%d offset=%08x\n",
+ off & PCI_MSIX_BIR, off & ~PCI_MSIX_BIR);
+}
+
+static void
+cap_slotid(int cap)
+{
+ int esr = cap & 0xff;
+ int chs = cap >> 8;
+
+ printf("Slot ID: %d slots, First%c, chassis %02x\n",
+ esr & PCI_SID_ESR_NSLOTS,
+ FLAG(esr, PCI_SID_ESR_FIC),
+ chs);
+}
+
+static void
+cap_ssvid(struct device *d, int where)
+{
+ u16 subsys_v, subsys_d;
+ char ssnamebuf[256];
+
+ if (!config_fetch(d, where, 8))
+ return;
+ subsys_v = get_conf_word(d, where + PCI_SSVID_VENDOR);
+ subsys_d = get_conf_word(d, where + PCI_SSVID_DEVICE);
+ printf("Subsystem: %s\n",
+ pci_lookup_name(pacc, ssnamebuf, sizeof(ssnamebuf),
+ PCI_LOOKUP_SUBSYSTEM | PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
+ d->dev->vendor_id, d->dev->device_id, subsys_v, subsys_d));
+}
+
+static void
+cap_debug_port(int cap)
+{
+ int bar = cap >> 13;
+ int pos = cap & 0x1fff;
+ printf("Debug port: BAR=%d offset=%04x\n", bar, pos);
+}
+
+static void
+cap_af(struct device *d, int where)
+{
+ u8 reg;
+
+ printf("PCI Advanced Features\n");
+ if (verbose < 2 || !config_fetch(d, where + PCI_AF_CAP, 3))
+ return;
+
+ reg = get_conf_byte(d, where + PCI_AF_CAP);
+ printf("\t\tAFCap: TP%c FLR%c\n", FLAG(reg, PCI_AF_CAP_TP),
+ FLAG(reg, PCI_AF_CAP_FLR));
+ reg = get_conf_byte(d, where + PCI_AF_CTRL);
+ printf("\t\tAFCtrl: FLR%c\n", FLAG(reg, PCI_AF_CTRL_FLR));
+ reg = get_conf_byte(d, where + PCI_AF_STATUS);
+ printf("\t\tAFStatus: TP%c\n", FLAG(reg, PCI_AF_STATUS_TP));
+}
+
+static void
+cap_sata_hba(struct device *d, int where, int cap)
+{
+ u32 bars;
+ int bar;
+
+ printf("SATA HBA v%d.%d", BITS(cap, 4, 4), BITS(cap, 0, 4));
+ if (verbose < 2 || !config_fetch(d, where + PCI_SATA_HBA_BARS, 4))
+ {
+ printf("\n");
+ return;
+ }
+
+ bars = get_conf_long(d, where + PCI_SATA_HBA_BARS);
+ bar = BITS(bars, 0, 4);
+ if (bar >= 4 && bar <= 9)
+ printf(" BAR%d Offset=%08x\n", bar - 4, BITS(bars, 4, 20));
+ else if (bar == 15)
+ printf(" InCfgSpace\n");
+ else
+ printf(" BAR??%d\n", bar);
+}
+
+static const char *cap_ea_property(int p, int is_secondary)
+{
+ switch (p) {
+ case 0x00:
+ return "memory space, non-prefetchable";
+ case 0x01:
+ return "memory space, prefetchable";
+ case 0x02:
+ return "I/O space";
+ case 0x03:
+ return "VF memory space, prefetchable";
+ case 0x04:
+ return "VF memory space, non-prefetchable";
+ case 0x05:
+ return "allocation behind bridge, non-prefetchable memory";
+ case 0x06:
+ return "allocation behind bridge, prefetchable memory";
+ case 0x07:
+ return "allocation behind bridge, I/O space";
+ case 0xfd:
+ return "memory space resource unavailable for use";
+ case 0xfe:
+ return "I/O space resource unavailable for use";
+ case 0xff:
+ if (is_secondary)
+ return "entry unavailable for use, PrimaryProperties should be used";
+ else
+ return "entry unavailable for use";
+ default:
+ return NULL;
+ }
+}
+
+static void cap_ea(struct device *d, int where, int cap)
+{
+ int entry;
+ int entry_base = where + 4;
+ int num_entries = BITS(cap, 0, 6);
+ u8 htype = get_conf_byte(d, PCI_HEADER_TYPE) & 0x7f;
+
+ printf("Enhanced Allocation (EA): NumEntries=%u", num_entries);
+ if (htype == PCI_HEADER_TYPE_BRIDGE) {
+ byte fixed_sub, fixed_sec;
+
+ entry_base += 4;
+ if (!config_fetch(d, where + 4, 2)) {
+ printf("\n");
+ return;
+ }
+ fixed_sec = get_conf_byte(d, where + PCI_EA_CAP_TYPE1_SECONDARY);
+ fixed_sub = get_conf_byte(d, where + PCI_EA_CAP_TYPE1_SUBORDINATE);
+ printf(", secondary=%d, subordinate=%d", fixed_sec, fixed_sub);
+ }
+ printf("\n");
+ if (verbose < 2)
+ return;
+
+ for (entry = 0; entry < num_entries; entry++) {
+ int max_offset_high_pos, has_base_high, has_max_offset_high;
+ u32 entry_header;
+ u32 base, max_offset;
+ int es, bei, pp, sp;
+ const char *prop_text;
+
+ if (!config_fetch(d, entry_base, 4))
+ return;
+ entry_header = get_conf_long(d, entry_base);
+ es = BITS(entry_header, 0, 3);
+ bei = BITS(entry_header, 4, 4);
+ pp = BITS(entry_header, 8, 8);
+ sp = BITS(entry_header, 16, 8);
+ if (!config_fetch(d, entry_base + 4, es * 4))
+ return;
+ printf("\t\tEntry %u: Enable%c Writable%c EntrySize=%u\n", entry,
+ FLAG(entry_header, PCI_EA_CAP_ENT_ENABLE),
+ FLAG(entry_header, PCI_EA_CAP_ENT_WRITABLE), es);
+ printf("\t\t\t BAR Equivalent Indicator: ");
+ switch (bei) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ printf("BAR %u", bei);
+ break;
+ case 6:
+ printf("resource behind function");
+ break;
+ case 7:
+ printf("not indicated");
+ break;
+ case 8:
+ printf("expansion ROM");
+ break;
+ case 9:
+ case 10:
+ case 11:
+ case 12:
+ case 13:
+ case 14:
+ printf("VF-BAR %u", bei - 9);
+ break;
+ default:
+ printf("reserved");
+ break;
+ }
+ printf("\n");
+
+ prop_text = cap_ea_property(pp, 0);
+ printf("\t\t\t PrimaryProperties: ");
+ if (prop_text)
+ printf("%s\n", prop_text);
+ else
+ printf("[%02x]\n", pp);
+
+ prop_text = cap_ea_property(sp, 1);
+ printf("\t\t\t SecondaryProperties: ");
+ if (prop_text)
+ printf("%s\n", prop_text);
+ else
+ printf("[%02x]\n", sp);
+
+ base = get_conf_long(d, entry_base + 4);
+ has_base_high = ((base & 2) != 0);
+ base &= ~3;
+
+ max_offset = get_conf_long(d, entry_base + 8);
+ has_max_offset_high = ((max_offset & 2) != 0);
+ max_offset |= 3;
+ max_offset_high_pos = entry_base + 12;
+
+ printf("\t\t\t Base: ");
+ if (has_base_high) {
+ u32 base_high = get_conf_long(d, entry_base + 12);
+
+ printf("%x", base_high);
+ max_offset_high_pos += 4;
+ }
+ printf("%08x\n", base);
+
+ printf("\t\t\t MaxOffset: ");
+ if (has_max_offset_high) {
+ u32 max_offset_high = get_conf_long(d, max_offset_high_pos);
+
+ printf("%x", max_offset_high);
+ }
+ printf("%08x\n", max_offset);
+
+ entry_base += 4 + 4 * es;
+ }
+}
+
+void
+show_caps(struct device *d, int where)
+{
+ int can_have_ext_caps = 0;
+ int type = -1;
+
+ if (get_conf_word(d, PCI_STATUS) & PCI_STATUS_CAP_LIST)
+ {
+ byte been_there[256];
+ where = get_conf_byte(d, where) & ~3;
+ memset(been_there, 0, 256);
+ while (where)
+ {
+ int id, next, cap;
+ printf("\tCapabilities: ");
+ if (!config_fetch(d, where, 4))
+ {
+ puts("<access denied>");
+ break;
+ }
+ id = get_conf_byte(d, where + PCI_CAP_LIST_ID);
+ next = get_conf_byte(d, where + PCI_CAP_LIST_NEXT) & ~3;
+ cap = get_conf_word(d, where + PCI_CAP_FLAGS);
+ printf("[%02x] ", where);
+ if (been_there[where]++)
+ {
+ printf("<chain looped>\n");
+ break;
+ }
+ if (id == 0xff)
+ {
+ printf("<chain broken>\n");
+ break;
+ }
+ switch (id)
+ {
+ case PCI_CAP_ID_NULL:
+ printf("Null\n");
+ break;
+ case PCI_CAP_ID_PM:
+ cap_pm(d, where, cap);
+ break;
+ case PCI_CAP_ID_AGP:
+ cap_agp(d, where, cap);
+ break;
+ case PCI_CAP_ID_VPD:
+ cap_vpd(d);
+ break;
+ case PCI_CAP_ID_SLOTID:
+ cap_slotid(cap);
+ break;
+ case PCI_CAP_ID_MSI:
+ cap_msi(d, where, cap);
+ break;
+ case PCI_CAP_ID_CHSWP:
+ printf("CompactPCI hot-swap <?>\n");
+ break;
+ case PCI_CAP_ID_PCIX:
+ cap_pcix(d, where);
+ can_have_ext_caps = 1;
+ break;
+ case PCI_CAP_ID_HT:
+ cap_ht(d, where, cap);
+ break;
+ case PCI_CAP_ID_VNDR:
+ show_vendor_caps(d, where, cap);
+ break;
+ case PCI_CAP_ID_DBG:
+ cap_debug_port(cap);
+ break;
+ case PCI_CAP_ID_CCRC:
+ printf("CompactPCI central resource control <?>\n");
+ break;
+ case PCI_CAP_ID_HOTPLUG:
+ printf("Hot-plug capable\n");
+ break;
+ case PCI_CAP_ID_SSVID:
+ cap_ssvid(d, where);
+ break;
+ case PCI_CAP_ID_AGP3:
+ printf("AGP3 <?>\n");
+ break;
+ case PCI_CAP_ID_SECURE:
+ printf("Secure device <?>\n");
+ break;
+ case PCI_CAP_ID_EXP:
+ type = cap_express(d, where, cap);
+ can_have_ext_caps = 1;
+ break;
+ case PCI_CAP_ID_MSIX:
+ cap_msix(d, where, cap);
+ break;
+ case PCI_CAP_ID_SATA:
+ cap_sata_hba(d, where, cap);
+ break;
+ case PCI_CAP_ID_AF:
+ cap_af(d, where);
+ break;
+ case PCI_CAP_ID_EA:
+ cap_ea(d, where, cap);
+ break;
+ default:
+ printf("Capability ID %#02x [%04x]\n", id, cap);
+ }
+ where = next;
+ }
+ }
+ if (can_have_ext_caps)
+ show_ext_caps(d, type);
+}