diff options
Diffstat (limited to 'usr.sbin/pcidump/pcidump.c')
| -rw-r--r-- | usr.sbin/pcidump/pcidump.c | 68 |
1 files changed, 66 insertions, 2 deletions
diff --git a/usr.sbin/pcidump/pcidump.c b/usr.sbin/pcidump/pcidump.c index 395d780dbbc..73d9e7c24e9 100644 --- a/usr.sbin/pcidump/pcidump.c +++ b/usr.sbin/pcidump/pcidump.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pcidump.c,v 1.41 2017/01/04 03:35:29 dlg Exp $ */ +/* $OpenBSD: pcidump.c,v 1.42 2017/03/16 22:05:46 deraadt Exp $ */ /* * Copyright (c) 2006, 2007 David Gwynne <loki@animata.net> @@ -102,6 +102,39 @@ const char *pci_capnames[] = { "PCI Advanced Features" }; +const char *pci_enhanced_capnames[] = { + "Unknown", + "Advanced Error Reporting", + "Virtual Channel Capability", + "Device Serial Number", + "Power Budgeting", + "Root Complex Link Declaration", + "Root Complex Internal Link Control", + "Root Complex Event Collector", + "Multi-Function VC Capability", + "Virtual Channel Capability", + "Root Complex/Root Bridge", + "Vendor-Specific", + "Config Access", + "Access Control Services", + "Alternate Routing ID", + "Address Translation Services", + "Single Root I/O Virtualization", + "Multi Root I/O Virtualization", + "Multicast", + "Page Request Interface", + "Reserved for AMD", + "Resizable BAR", + "Dynamic Power Allocation", + "TPH Requester", + "Latency Tolerance Reporting", + "Secondary PCIe Capability", + "Protocol Multiplexing", + "Process Address Space ID", + "Downstream Port Containment", + "Precision Time Measurement", +}; + int main(int argc, char *argv[]) { @@ -356,6 +389,35 @@ dump_pcie_linkspeed(int bus, int dev, int func, uint8_t ptr) } void +dump_pcie_enhanced_caplist(int bus, int dev, int func) +{ + u_int32_t reg; + u_int16_t ptr; + u_int16_t ecap; + + ptr = PCI_PCIE_ECAP; + + do { + if (pci_read(bus, dev, func, ptr, ®) != 0) + return; + + if (PCI_PCIE_ECAP_ID(reg) == 0xffff && + PCI_PCIE_ECAP_NEXT(reg) == PCI_PCIE_ECAP_LAST) + return; + + ecap = PCI_PCIE_ECAP_ID(reg); + if (ecap >= nitems(pci_enhanced_capnames)) + ecap = 0; + + printf("\t0x%04x: Enhanced Capability 0x%02x: ", ptr, ecap); + printf("%s\n", pci_enhanced_capnames[ecap]); + + ptr = PCI_PCIE_ECAP_NEXT(reg); + + } while (ptr != PCI_PCIE_ECAP_LAST); +} + +void dump_caplist(int bus, int dev, int func, u_int8_t ptr) { u_int32_t reg; @@ -379,8 +441,10 @@ dump_caplist(int bus, int dev, int func, u_int8_t ptr) printf("%s\n", pci_capnames[cap]); if (cap == PCI_CAP_PWRMGMT) dump_pci_powerstate(bus, dev, func, ptr); - if (cap == PCI_CAP_PCIEXPRESS) + if (cap == PCI_CAP_PCIEXPRESS) { dump_pcie_linkspeed(bus, dev, func, ptr); + dump_pcie_enhanced_caplist(bus, dev, func); + } ptr = PCI_CAPLIST_NEXT(reg); } } |