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linux/drivers/vfio/pci/Kconfig
Linus Torvalds deb879faa9 Merge tag 'drm-next-2025-12-05' of https://gitlab.freedesktop.org/drm/kernel
Pull more drm updates from Dave Airlie:
 "There was some additional intel code for color operations we wanted to
  land. However I discovered I missed a pull for the xe vfio driver
  which I had sorted into 6.20 in my brain, until Thomas mentioned it.

  This contains the xe vfio code, a bunch of xe fixes that were waiting
  and the i915 color management support. I'd like to include it as part
  of keeping the two main vendors on the same page and giving a good
  cross-driver experience for userspace when it starts using it.

  vfio:
   - add a vfio_pci variant driver for Intel

  xe/i915 display:
   - add plane color management support

  xe:
   - Add scope-based cleanup helper for runtime PM
   - vfio xe driver prerequisites and exports
   - fix vfio link error
   - Fix a memory leak
   - Fix a 64-bit division
   - vf migration fix
   - LRC pause fix"

* tag 'drm-next-2025-12-05' of https://gitlab.freedesktop.org/drm/kernel: (25 commits)
  drm/i915/color: Enable Plane Color Pipelines
  drm/i915/color: Add 3D LUT to color pipeline
  drm/i915/color: Add registers for 3D LUT
  drm/i915/color: Program Plane Post CSC Registers
  drm/i915/color: Program Pre-CSC registers
  drm/i915/color: Add framework to program PRE/POST CSC LUT
  drm/i915: Add register definitions for Plane Post CSC
  drm/i915: Add register definitions for Plane Degamma
  drm/i915/color: Add plane CTM callback for D12 and beyond
  drm/i915/color: Preserve sign bit when int_bits is Zero
  drm/i915/color: Add framework to program CSC
  drm/i915/color: Create a transfer function color pipeline
  drm/i915/color: Add helper to create intel colorop
  drm/i915: Add intel_color_op
  drm/i915/display: Add identifiers for driver specific blocks
  drm/xe/pf: fix VFIO link error
  drm/xe: Protect against unset LRC when pausing submissions
  drm/xe/vf: Start re-emission from first unsignaled job during VF migration
  drm/xe/pf: Use div_u64 when calculating GGTT profile
  drm/xe: Fix memory leak when handling pagefault vma
  ...
2025-12-04 19:42:53 -08:00

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# SPDX-License-Identifier: GPL-2.0-only
menu "VFIO support for PCI devices"
depends on PCI
config VFIO_PCI_CORE
tristate
select VFIO_VIRQFD
select IRQ_BYPASS_MANAGER
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.
config VFIO_PCI_DMABUF
def_bool y if VFIO_PCI_CORE && PCI_P2PDMA && DMA_SHARED_BUFFER
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"
source "drivers/vfio/pci/qat/Kconfig"
source "drivers/vfio/pci/xe/Kconfig"
endmenu