diff options
Diffstat (limited to 'drivers/vfio/pci/Kconfig')
| -rw-r--r-- | drivers/vfio/pci/Kconfig | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig new file mode 100644 index 000000000..4e1107767 --- /dev/null +++ b/drivers/vfio/pci/Kconfig @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0-only +config VFIO_PCI + tristate "VFIO support for PCI devices" + depends on VFIO && PCI && EVENTFD + depends on MMU + select VFIO_VIRQFD + select IRQ_BYPASS_MANAGER + 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. + +config VFIO_PCI_VGA + bool "VFIO PCI support for VGA devices" + depends on VFIO_PCI && 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_MMAP + depends on VFIO_PCI + def_bool y if !S390 + +config VFIO_PCI_INTX + depends on VFIO_PCI + def_bool y if !S390 + +config VFIO_PCI_IGD + 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. + +config VFIO_PCI_NVLINK2 + def_bool y + depends on VFIO_PCI && PPC_POWERNV && SPAPR_TCE_IOMMU + help + VFIO PCI support for P9 Witherspoon machine with NVIDIA V100 GPUs + +config VFIO_PCI_ZDEV + bool "VFIO PCI ZPCI device CLP support" + depends on VFIO_PCI && S390 + default y + help + Enabling this option exposes VFIO capabilities containing hardware + configuration for zPCI devices. This enables userspace (e.g. QEMU) + to supply proper configuration values instead of hard-coded defaults + for zPCI devices passed through via VFIO on s390. + + Say Y here. |