Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / pci / Kconfig

diff --git a/kernel/drivers/pci/Kconfig b/kernel/drivers/pci/Kconfig
new file mode 100644 (file)
index 0000000..73de4ef
--- /dev/null
+++ b/kernel/drivers/pci/Kconfig
@@ -0,0 +1,121 @@
+#
+# PCI configuration
+#
+config PCI_BUS_ADDR_T_64BIT
+       def_bool y if (ARCH_DMA_ADDR_T_64BIT || 64BIT)
+       depends on PCI
+
+config PCI_MSI
+       bool "Message Signaled Interrupts (MSI and MSI-X)"
+       depends on PCI
+       select GENERIC_MSI_IRQ
+       help
+          This allows device drivers to enable MSI (Message Signaled
+          Interrupts).  Message Signaled Interrupts enable a device to
+          generate an interrupt using an inbound Memory Write on its
+          PCI bus instead of asserting a device IRQ pin.
+
+          Use of PCI MSI interrupts can be disabled at kernel boot time
+          by using the 'pci=nomsi' option.  This disables MSI for the
+          entire system.
+
+          If you don't know what to do here, say Y.
+
+config PCI_MSI_IRQ_DOMAIN
+       bool
+       depends on PCI_MSI
+       select GENERIC_MSI_IRQ_DOMAIN
+
+config PCI_DEBUG
+       bool "PCI Debugging"
+       depends on PCI && DEBUG_KERNEL
+       help
+         Say Y here if you want the PCI core to produce a bunch of debug
+         messages to the system log.  Select this if you are having a
+         problem with PCI support and want to see more of what is going on.
+
+         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
+       help
+         Say Y or M here if you want be able to reserve a PCI device
+         when it is going to be assigned to a guest operating system.
+
+         When in doubt, say N.
+
+config XEN_PCIDEV_FRONTEND
+        tristate "Xen PCI Frontend"
+        depends on PCI && X86 && XEN
+        select PCI_XEN
+       select XEN_XENBUS_FRONTEND
+        default y
+        help
+          The PCI device frontend driver allows the kernel to import arbitrary
+          PCI devices from a PCI backend to support PCI driver domains.
+
+config HT_IRQ
+       bool "Interrupts on hypertransport devices"
+       default y
+       depends on PCI && X86_LOCAL_APIC
+       help
+          This allows native hypertransport devices to use interrupts.
+
+          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
+         physical resources.
+
+         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_LABEL
+       def_bool y if (DMI || ACPI)
+       select NLS
+
+source "drivers/pci/host/Kconfig"