diff options
Diffstat (limited to 'drivers/pci/Kconfig')
| -rw-r--r-- | drivers/pci/Kconfig | 69 |
1 files changed, 48 insertions, 21 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index c8ff646c0b0..893503fa178 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -1,14 +1,9 @@ # # PCI configuration # -config ARCH_SUPPORTS_MSI - bool - default n - config PCI_MSI bool "Message Signaled Interrupts (MSI and MSI-X)" depends on PCI - depends on ARCH_SUPPORTS_MSI help This allows device drivers to enable MSI (Message Signaled Interrupts). Message Signaled Interrupts enable a device to @@ -31,6 +26,19 @@ config PCI_DEBUG When in doubt, say N. +config PCI_REALLOC_ENABLE_AUTO + bool "Enable PCI resource re-allocation detection" + depends on PCI + help + Say Y here if you want the PCI core to detect if PCI resource + re-allocation needs to be enabled. You can always use pci=realloc=on + or pci=realloc=off to override it. Note this feature is a no-op + unless PCI_IOV support is also enabled; in that case it will + automatically re-allocate PCI resources if SR-IOV BARs have not + been allocated by the BIOS. + + When in doubt, say N. + config PCI_STUB tristate "PCI Stub driver" depends on PCI @@ -43,7 +51,6 @@ config PCI_STUB config XEN_PCIDEV_FRONTEND tristate "Xen PCI Frontend" depends on PCI && X86 && XEN - select HOTPLUG select PCI_XEN select XEN_XENBUS_FRONTEND default y @@ -51,17 +58,6 @@ config XEN_PCIDEV_FRONTEND The PCI device frontend driver allows the kernel to import arbitrary PCI devices from a PCI backend to support PCI driver domains. -config XEN_PCIDEV_FE_DEBUG - bool "Xen PCI Frontend debugging" - depends on XEN_PCIDEV_FRONTEND && PCI_DEBUG - help - Say Y here if you want the Xen PCI frontend to produce a bunch of debug - messages to the system log. Select this if you are having a - problem with Xen PCI frontend support and want to see more of what is - going on. - - When in doubt, say N. - config HT_IRQ bool "Interrupts on hypertransport devices" default y @@ -71,9 +67,13 @@ config HT_IRQ If unsure say Y. +config PCI_ATS + bool + config PCI_IOV bool "PCI IOV support" depends on PCI + select PCI_ATS help I/O Virtualization is a PCI feature supported by some devices which allows them to create virtual devices which share their @@ -81,11 +81,38 @@ config PCI_IOV If unsure, say N. +config PCI_PRI + bool "PCI PRI support" + depends on PCI + select PCI_ATS + help + PRI is the PCI Page Request Interface. It allows PCI devices that are + behind an IOMMU to recover from page faults. + + If unsure, say N. + +config PCI_PASID + bool "PCI PASID support" + depends on PCI + select PCI_ATS + help + Process Address Space Identifiers (PASIDs) can be used by PCI devices + to access more than one IO address space at the same time. To make + use of this feature an IOMMU is required which also supports PASIDs. + Select this option if you have such an IOMMU and want to compile the + driver for it into your kernel. + + If unsure, say N. + config PCI_IOAPIC - bool + bool "PCI IO-APIC hotplug support" if X86 depends on PCI depends on ACPI - depends on HOTPLUG - default y + depends on X86_IO_APIC + default !X86 + +config PCI_LABEL + def_bool y if (DMI || ACPI) + select NLS -select NLS if (DMI || ACPI) +source "drivers/pci/host/Kconfig" |