xref: /openbmc/linux/drivers/vfio/pci/Kconfig (revision 249592bf)
1# SPDX-License-Identifier: GPL-2.0-only
2config VFIO_PCI
3	tristate "VFIO support for PCI devices"
4	depends on VFIO && PCI && EVENTFD
5	select VFIO_VIRQFD
6	select IRQ_BYPASS_MANAGER
7	help
8	  Support for the PCI VFIO bus driver.  This is required to make
9	  use of PCI drivers using the VFIO framework.
10
11	  If you don't know what to do here, say N.
12
13config VFIO_PCI_VGA
14	bool "VFIO PCI support for VGA devices"
15	depends on VFIO_PCI && X86 && VGA_ARB
16	help
17	  Support for VGA extension to VFIO PCI.  This exposes an additional
18	  region on VGA devices for accessing legacy VGA addresses used by
19	  BIOS and generic video drivers.
20
21	  If you don't know what to do here, say N.
22
23config VFIO_PCI_MMAP
24	depends on VFIO_PCI
25	def_bool y if !S390
26
27config VFIO_PCI_INTX
28	depends on VFIO_PCI
29	def_bool y if !S390
30
31config VFIO_PCI_IGD
32	bool "VFIO PCI extensions for Intel graphics (GVT-d)"
33	depends on VFIO_PCI && X86
34	default y
35	help
36	  Support for Intel IGD specific extensions to enable direct
37	  assignment to virtual machines.  This includes exposing an IGD
38	  specific firmware table and read-only copies of the host bridge
39	  and LPC bridge config space.
40
41	  To enable Intel IGD assignment through vfio-pci, say Y.
42