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1# SPDX-License-Identifier: GPL-2.0-only
2menu "VFIO support for PCI devices"
3 depends on PCI && MMU
4
5config VFIO_PCI_CORE
6 tristate
7 select VFIO_VIRQFD
8 select IRQ_BYPASS_MANAGER
9
10config VFIO_PCI_MMAP
11 def_bool y if !S390
12 depends on VFIO_PCI_CORE
13
14config VFIO_PCI_INTX
15 def_bool y if !S390
16 depends on VFIO_PCI_CORE
17
18config VFIO_PCI
19 tristate "Generic VFIO support for any PCI device"
20 select VFIO_PCI_CORE
21 help
22 Support for the generic PCI VFIO bus driver which can connect any
23 PCI device to the VFIO framework.
24
25 If you don't know what to do here, say N.
26
27if VFIO_PCI
28config VFIO_PCI_VGA
29 bool "Generic VFIO PCI support for VGA devices"
30 depends on X86 && VGA_ARB
31 help
32 Support for VGA extension to VFIO PCI. This exposes an additional
33 region on VGA devices for accessing legacy VGA addresses used by
34 BIOS and generic video drivers.
35
36 If you don't know what to do here, say N.
37
38config VFIO_PCI_IGD
39 bool "Generic VFIO PCI extensions for Intel graphics (GVT-d)"
40 depends on X86
41 default y
42 help
43 Support for Intel IGD specific extensions to enable direct
44 assignment to virtual machines. This includes exposing an IGD
45 specific firmware table and read-only copies of the host bridge
46 and LPC bridge config space.
47
48 To enable Intel IGD assignment through vfio-pci, say Y.
49endif
50
51config VFIO_PCI_ZDEV_KVM
52 bool "VFIO PCI extensions for s390x KVM passthrough"
53 depends on S390 && KVM
54 default y
55 help
56 Support s390x-specific extensions to enable support for enhancements
57 to KVM passthrough capabilities, such as interpretive execution of
58 zPCI instructions.
59
60 To enable s390x KVM vfio-pci extensions, say Y.
61
62source "drivers/vfio/pci/mlx5/Kconfig"
63
64source "drivers/vfio/pci/hisilicon/Kconfig"
65
66source "drivers/vfio/pci/pds/Kconfig"
67
68endmenu