diff options
| author |   jmatthew <jmatthew@openbsd.org> | 2019-04-02 07:01:29 +0000 |
|---|---|---|
| committer | jmatthew <jmatthew@openbsd.org> | 2019-04-02 07:01:29 +0000 |
| commit | dda8f56e643dcf50f66dcfd43cfd47b300c575f2 (patch) | |
| tree | b7b4c57f8bcfad1e8381292a064fd7e13295d7b7 /usr.sbin/pcidump | |
| parent | Pull in addargs() API from ssh to replace complicated hand-rolled argument (diff) | |
| download | wireguard-openbsd-dda8f56e643dcf50f66dcfd43cfd47b300c575f2.tar.xz wireguard-openbsd-dda8f56e643dcf50f66dcfd43cfd47b300c575f2.zip | |
add some msi and msi-x details
ok dlg@ kettenis@
Diffstat (limited to 'usr.sbin/pcidump')
| -rw-r--r-- | usr.sbin/pcidump/pcidump.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/usr.sbin/pcidump/pcidump.c b/usr.sbin/pcidump/pcidump.c index 71e39a75621..5227ba2338d 100644 --- a/usr.sbin/pcidump/pcidump.c +++ b/usr.sbin/pcidump/pcidump.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pcidump.c,v 1.52 2019/03/12 01:46:21 dlg Exp $ */ +/* $OpenBSD: pcidump.c,v 1.53 2019/04/02 07:01:29 jmatthew Exp $ */ /* * Copyright (c) 2006, 2007 David Gwynne <loki@animata.net> @@ -54,6 +54,8 @@ void dump_bars(int, int, int, int); void dump_caplist(int, int, int, u_int8_t); void dump_pci_powerstate(int, int, int, uint8_t); void dump_pcie_linkspeed(int, int, int, uint8_t); +void dump_msi(int, int, int, uint8_t); +void dump_msix(int, int, int, uint8_t); void print_pcie_ls(uint8_t); int dump_rom(int, int, int); int dump_vga_bios(void); @@ -398,6 +400,34 @@ dump_pcie_linkspeed(int bus, int dev, int func, uint8_t ptr) } void +dump_msi(int bus, int dev, int func, u_int8_t ptr) +{ + u_int32_t reg; + + if (pci_read(bus, dev, func, ptr, ®) != 0) + return; + + printf("\t\tEnabled: %s\n", reg & PCI_MSI_MC_MSIE ? "yes" : "no"); +} + +void +dump_msix(int bus, int dev, int func, u_int8_t ptr) +{ + u_int32_t reg; + u_int32_t table; + + if ((pci_read(bus, dev, func, ptr, ®) != 0) || + (pci_read(bus, dev, func, ptr + PCI_MSIX_TABLE, &table) != 0)) + return; + + printf("\t\tEnabled: %s; table size %d (BAR %d:%d)\n", + reg & PCI_MSIX_MC_MSIXE ? "yes" : "no", + PCI_MSIX_MC_TBLSZ(reg) + 1, + (table & PCI_MSIX_TABLE_BIR), + (table & PCI_MSIX_TABLE_OFF)); +} + +void dump_pcie_enhanced_caplist(int bus, int dev, int func) { u_int32_t reg; @@ -459,6 +489,12 @@ dump_caplist(int bus, int dev, int func, u_int8_t ptr) dump_pcie_linkspeed(bus, dev, func, ptr); dump_pcie_enhanced_caplist(bus, dev, func); break; + case PCI_CAP_MSI: + dump_msi(bus, dev,func, ptr); + break; + case PCI_CAP_MSIX: + dump_msix(bus, dev, func, ptr); + break; } ptr = PCI_CAPLIST_NEXT(reg); } |