2019-05-19 21:07:45 +09:00
|
|
|
# SPDX-License-Identifier: GPL-2.0-only
|
2012-07-31 23:16:24 +09:00
|
|
|
config VFIO_PCI
|
|
|
|
tristate "VFIO support for PCI devices"
|
|
|
|
depends on VFIO && PCI && EVENTFD
|
2021-05-16 04:08:56 +09:00
|
|
|
depends on MMU
|
2015-03-17 23:33:38 +09:00
|
|
|
select VFIO_VIRQFD
|
2015-09-18 23:29:50 +09:00
|
|
|
select IRQ_BYPASS_MANAGER
|
2012-07-31 23:16:24 +09:00
|
|
|
help
|
|
|
|
Support for the PCI VFIO bus driver. This is required to make
|
|
|
|
use of PCI drivers using the VFIO framework.
|
|
|
|
|
|
|
|
If you don't know what to do here, say N.
|
2013-02-19 02:11:13 +09:00
|
|
|
|
|
|
|
config VFIO_PCI_VGA
|
|
|
|
bool "VFIO PCI support for VGA devices"
|
2013-02-25 01:59:44 +09:00
|
|
|
depends on VFIO_PCI && X86 && VGA_ARB
|
2013-02-19 02:11:13 +09:00
|
|
|
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.
|
2014-11-08 01:52:22 +09:00
|
|
|
|
|
|
|
config VFIO_PCI_MMAP
|
|
|
|
depends on VFIO_PCI
|
|
|
|
def_bool y if !S390
|
|
|
|
|
|
|
|
config VFIO_PCI_INTX
|
|
|
|
depends on VFIO_PCI
|
|
|
|
def_bool y if !S390
|
2016-02-23 08:02:43 +09:00
|
|
|
|
|
|
|
config VFIO_PCI_IGD
|
2018-06-19 07:39:50 +09:00
|
|
|
bool "VFIO PCI extensions for Intel graphics (GVT-d)"
|
|
|
|
depends on VFIO_PCI && 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.
|
2018-12-20 10:10:36 +09:00
|
|
|
|
|
|
|
config VFIO_PCI_NVLINK2
|
|
|
|
def_bool y
|
2021-03-30 04:00:16 +09:00
|
|
|
depends on VFIO_PCI && PPC_POWERNV && SPAPR_TCE_IOMMU
|
2018-12-20 10:10:36 +09:00
|
|
|
help
|
|
|
|
VFIO PCI support for P9 Witherspoon machine with NVIDIA V100 GPUs
|