+static void
+cap_rcec(struct device *d, int where)
+{
+ printf("Root Complex Event Collector Endpoint Association\n");
+ if (verbose < 2)
+ return;
+
+ if (!config_fetch(d, where, 12))
+ return;
+
+ u32 hdr = get_conf_long(d, where);
+ byte cap_ver = PCI_RCEC_EP_CAP_VER(hdr);
+ u32 bmap = get_conf_long(d, where + PCI_RCEC_RCIEP_BMAP);
+ printf("\t\tRCiEPBitmap: ");
+ if (bmap)
+ {
+ int prevmatched=0;
+ int adjcount=0;
+ int prevdev=0;
+ printf("RCiEP at Device(s):");
+ for (int dev=0; dev < 32; dev++)
+ {
+ if (BITS(bmap, dev, 1))
+ {
+ if (!adjcount)
+ printf("%s %u", (prevmatched) ? "," : "", dev);
+ adjcount++;
+ prevdev=dev;
+ prevmatched=1;
+ }
+ else
+ {
+ if (adjcount > 1)
+ printf("-%u", prevdev);
+ adjcount=0;
+ }
+ }
+ }
+ else
+ printf("%s", (verbose > 2) ? "00000000 [none]" : "[none]");
+ printf("\n");
+
+ if (cap_ver < PCI_RCEC_BUSN_REG_VER)
+ return;
+
+ u32 busn = get_conf_long(d, where + PCI_RCEC_BUSN_REG);
+ u8 lastbusn = BITS(busn, 16, 8);
+ u8 nextbusn = BITS(busn, 8, 8);
+
+ if ((lastbusn == 0x00) && (nextbusn == 0xff))
+ printf("\t\tAssociatedBusNumbers: %s\n", (verbose > 2) ? "ff-00 [none]" : "[none]");
+ else
+ printf("\t\tAssociatedBusNumbers: %02x-%02x\n", nextbusn, lastbusn );
+}
+
+static void
+cap_dvsec_cxl(struct device *d, int where)
+{
+ u16 l;
+
+ printf(": CXL\n");
+ if (verbose < 2)
+ return;
+
+ if (!config_fetch(d, where + PCI_CXL_CAP, 12))
+ return;
+
+ l = get_conf_word(d, where + PCI_CXL_CAP);
+ printf("\t\tCXLCap:\tCache%c IO%c Mem%c Mem HW Init%c HDMCount %d Viral%c\n",
+ FLAG(l, PCI_CXL_CAP_CACHE), FLAG(l, PCI_CXL_CAP_IO), FLAG(l, PCI_CXL_CAP_MEM),
+ FLAG(l, PCI_CXL_CAP_MEM_HWINIT), PCI_CXL_CAP_HDM_CNT(l), FLAG(l, PCI_CXL_CAP_VIRAL));
+
+ l = get_conf_word(d, where + PCI_CXL_CTRL);
+ printf("\t\tCXLCtl:\tCache%c IO%c Mem%c Cache SF Cov %d Cache SF Gran %d Cache Clean%c Viral%c\n",
+ FLAG(l, PCI_CXL_CTRL_CACHE), FLAG(l, PCI_CXL_CTRL_IO), FLAG(l, PCI_CXL_CTRL_MEM),
+ PCI_CXL_CTRL_CACHE_SF_COV(l), PCI_CXL_CTRL_CACHE_SF_GRAN(l), FLAG(l, PCI_CXL_CTRL_CACHE_CLN),
+ FLAG(l, PCI_CXL_CTRL_VIRAL));
+
+ l = get_conf_word(d, where + PCI_CXL_STATUS);
+ printf("\t\tCXLSta:\tViral%c\n", FLAG(l, PCI_CXL_STATUS_VIRAL));
+}
+
+static void
+cap_dvsec(struct device *d, int where)
+{
+ printf("Designated Vendor-Specific: ");
+ if (!config_fetch(d, where + PCI_DVSEC_HEADER1, 8))
+ {
+ printf("<unreadable>\n");
+ return;
+ }
+
+ u32 hdr = get_conf_long(d, where + PCI_DVSEC_HEADER1);
+ u16 vendor = BITS(hdr, 0, 16);
+ byte rev = BITS(hdr, 16, 4);
+ u16 len = BITS(hdr, 20, 12);
+
+ u16 id = get_conf_long(d, where + PCI_DVSEC_HEADER2);
+
+ printf("Vendor=%04x ID=%04x Rev=%d Len=%d", vendor, id, rev, len);
+ if (vendor == PCI_DVSEC_VENDOR_ID_CXL && id == PCI_DVSEC_ID_CXL && len >= 16)
+ cap_dvsec_cxl(d, where);
+ else
+ printf(" <?>\n");
+}
+