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# SPDX-License-Identifier: GPL-2.0-only
menu "VFIO support for PCI devices"
depends on PCI && MMU
config VFIO_PCI_CORE
tristate
select VFIO_VIRQFD
select IRQ_BYPASS_MANAGER
config VFIO_PCI_MMAP
def_bool y if !S390
depends on VFIO_PCI_CORE
config VFIO_PCI_INTX
def_bool y if !S390
depends on VFIO_PCI_CORE
config VFIO_PCI
tristate "Generic VFIO support for any PCI device"
select VFIO_PCI_CORE
help
Support for the generic PCI VFIO bus driver which can connect any
PCI device to the VFIO framework.
If you don't know what to do here, say N.
if VFIO_PCI
config VFIO_PCI_VGA
bool "Generic VFIO PCI support for VGA devices"
depends on X86 && VGA_ARB
help
Support for VGA extension to VFIO PCI. This exposes an additional
region on VGA devices for accessing legacy VGA addresses used by
BIOS and generic video drivers.
If you don't know what to do here, say N.
config VFIO_PCI_IGD
bool "Generic VFIO PCI extensions for Intel graphics (GVT-d)"
depends on X86
default y
help
Support for Intel IGD specific extensions to enable direct
assignment to virtual machines. This includes exposing an IGD
specific firmware table and read-only copies of the host bridge
and LPC bridge config space.
To enable Intel IGD assignment through vfio-pci, say Y.
endif
config VFIO_PCI_ZDEV_KVM
bool "VFIO PCI extensions for s390x KVM passthrough"
depends on S390 && KVM
default y
help
Support s390x-specific extensions to enable support for enhancements
to KVM passthrough capabilities, such as interpretive execution of
zPCI instructions.
To enable s390x KVM vfio-pci extensions, say Y.
source "drivers/vfio/pci/mlx5/Kconfig"
source "drivers/vfio/pci/hisilicon/Kconfig"
source "drivers/vfio/pci/pds/Kconfig"
source "drivers/vfio/pci/virtio/Kconfig"
source "drivers/vfio/pci/nvgrace-gpu/Kconfig"
endmenu
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