Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) config VFIO_PCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 	tristate "VFIO support for PCI devices"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 	depends on VFIO && PCI && EVENTFD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 	depends on MMU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	select VFIO_VIRQFD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	select IRQ_BYPASS_MANAGER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	  Support for the PCI VFIO bus driver.  This is required to make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	  use of PCI drivers using the VFIO framework.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	  If you don't know what to do here, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) config VFIO_PCI_VGA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	bool "VFIO PCI support for VGA devices"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	depends on VFIO_PCI && X86 && VGA_ARB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	  Support for VGA extension to VFIO PCI.  This exposes an additional
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	  region on VGA devices for accessing legacy VGA addresses used by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	  BIOS and generic video drivers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	  If you don't know what to do here, say N.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) config VFIO_PCI_MMAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	depends on VFIO_PCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	def_bool y if !S390
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) config VFIO_PCI_INTX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	depends on VFIO_PCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	def_bool y if !S390
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) config VFIO_PCI_IGD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	bool "VFIO PCI extensions for Intel graphics (GVT-d)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	depends on VFIO_PCI && X86
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	  Support for Intel IGD specific extensions to enable direct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	  assignment to virtual machines.  This includes exposing an IGD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	  specific firmware table and read-only copies of the host bridge
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	  and LPC bridge config space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	  To enable Intel IGD assignment through vfio-pci, say Y.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) config VFIO_PCI_NVLINK2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	def_bool y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	depends on VFIO_PCI && PPC_POWERNV && SPAPR_TCE_IOMMU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	  VFIO PCI support for P9 Witherspoon machine with NVIDIA V100 GPUs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) config VFIO_PCI_ZDEV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	bool "VFIO PCI ZPCI device CLP support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	depends on VFIO_PCI && S390
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	  Enabling this option exposes VFIO capabilities containing hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	  configuration for zPCI devices. This enables userspace (e.g. QEMU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	  to supply proper configuration values instead of hard-coded defaults
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	  for zPCI devices passed through via VFIO on s390.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	  Say Y here.