5 source "drivers/pci/pcie/Kconfig"
7 config PCI_BUS_ADDR_T_64BIT
8 def_bool y if (ARCH_DMA_ADDR_T_64BIT || 64BIT)
12 bool "Message Signaled Interrupts (MSI and MSI-X)"
14 select GENERIC_MSI_IRQ
16 This allows device drivers to enable MSI (Message Signaled
17 Interrupts). Message Signaled Interrupts enable a device to
18 generate an interrupt using an inbound Memory Write on its
19 PCI bus instead of asserting a device IRQ pin.
21 Use of PCI MSI interrupts can be disabled at kernel boot time
22 by using the 'pci=nomsi' option. This disables MSI for the
25 If you don't know what to do here, say Y.
27 config PCI_MSI_IRQ_DOMAIN
28 def_bool ARC || ARM || ARM64 || X86
30 select GENERIC_MSI_IRQ_DOMAIN
34 depends on PCI && DEBUG_KERNEL
36 Say Y here if you want the PCI core to produce a bunch of debug
37 messages to the system log. Select this if you are having a
38 problem with PCI support and want to see more of what is going on.
42 config PCI_REALLOC_ENABLE_AUTO
43 bool "Enable PCI resource re-allocation detection"
46 Say Y here if you want the PCI core to detect if PCI resource
47 re-allocation needs to be enabled. You can always use pci=realloc=on
48 or pci=realloc=off to override it. Note this feature is a no-op
49 unless PCI_IOV support is also enabled; in that case it will
50 automatically re-allocate PCI resources if SR-IOV BARs have not
51 been allocated by the BIOS.
56 tristate "PCI Stub driver"
59 Say Y or M here if you want be able to reserve a PCI device
60 when it is going to be assigned to a guest operating system.
64 config XEN_PCIDEV_FRONTEND
65 tristate "Xen PCI Frontend"
66 depends on PCI && X86 && XEN
68 select XEN_XENBUS_FRONTEND
71 The PCI device frontend driver allows the kernel to import arbitrary
72 PCI devices from a PCI backend to support PCI driver domains.
75 bool "Interrupts on hypertransport devices"
77 depends on PCI && X86_LOCAL_APIC
79 This allows native hypertransport devices to use interrupts.
90 bool "PCI IOV support"
94 I/O Virtualization is a PCI feature supported by some devices
95 which allows them to create virtual devices which share their
101 bool "PCI PRI support"
105 PRI is the PCI Page Request Interface. It allows PCI devices that are
106 behind an IOMMU to recover from page faults.
111 bool "PCI PASID support"
115 Process Address Space Identifiers (PASIDs) can be used by PCI devices
116 to access more than one IO address space at the same time. To make
117 use of this feature an IOMMU is required which also supports PASIDs.
118 Select this option if you have such an IOMMU and want to compile the
119 driver for it into your kernel.
124 def_bool y if (DMI || ACPI)
128 tristate "Hyper-V PCI Frontend"
129 depends on PCI && X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64
131 The PCI device frontend driver allows the kernel to import arbitrary
132 PCI devices from a PCI backend to support PCI driver domains.
134 source "drivers/pci/hotplug/Kconfig"
135 source "drivers/pci/dwc/Kconfig"
136 source "drivers/pci/host/Kconfig"