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| author | jhb <jhb@FreeBSD.org> | 2009-05-18 21:47:32 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2009-05-18 21:47:32 +0000 |
| commit | b80bf310738c84cb37b97c17e706f0b9ce08b280 (patch) | |
| tree | 4089b27d1917968c5f120521775143102b24786b /sys/amd64/pci | |
| parent | efa3503500fe6f30003a73869cff0ab1357e832d (diff) | |
| download | FreeBSD-src-b80bf310738c84cb37b97c17e706f0b9ce08b280.zip FreeBSD-src-b80bf310738c84cb37b97c17e706f0b9ce08b280.tar.gz | |
Add a read-only sysctl hw.pci.mcfg to mirror the tunable by the same name.
MFC after: 1 week
Diffstat (limited to 'sys/amd64/pci')
| -rw-r--r-- | sys/amd64/pci/pci_cfgreg.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/amd64/pci/pci_cfgreg.c b/sys/amd64/pci/pci_cfgreg.c index 61a2db5..be9e404 100644 --- a/sys/amd64/pci/pci_cfgreg.c +++ b/sys/amd64/pci/pci_cfgreg.c @@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$"); #include <sys/lock.h> #include <sys/kernel.h> #include <sys/mutex.h> +#include <sys/sysctl.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <vm/vm.h> @@ -56,6 +57,8 @@ static void pciereg_cfgwrite(int bus, unsigned slot, unsigned func, static int pcireg_cfgread(int bus, int slot, int func, int reg, int bytes); static void pcireg_cfgwrite(int bus, int slot, int func, int reg, int data, int bytes); +SYSCTL_DECL(_hw_pci); + static int cfgmech; static vm_offset_t pcie_base; static int pcie_minbus, pcie_maxbus; @@ -63,6 +66,8 @@ static uint32_t pcie_badslots; static struct mtx pcicfg_mtx; static int mcfg_enable = 1; TUNABLE_INT("hw.pci.mcfg", &mcfg_enable); +SYSCTL_INT(_hw_pci, OID_AUTO, mcfg, CTLFLAG_RDTUN, &mcfg_enable, 0, + "Enable support for PCI-e memory mapped config access"); /* * Initialise access to PCI configuration space |
