diff options
Diffstat (limited to 'drivers/vfio/Kconfig')
| -rw-r--r-- | drivers/vfio/Kconfig | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig new file mode 100644 index 000000000..b7765271d --- /dev/null +++ b/drivers/vfio/Kconfig @@ -0,0 +1,50 @@ +config VFIO_IOMMU_TYPE1 + tristate + depends on VFIO + default n + +config VFIO_IOMMU_SPAPR_TCE + tristate + depends on VFIO && SPAPR_TCE_IOMMU + default VFIO + +config VFIO_SPAPR_EEH + tristate + depends on EEH && VFIO_IOMMU_SPAPR_TCE + default VFIO + +config VFIO_VIRQFD + tristate + depends on VFIO && EVENTFD + default n + +menuconfig VFIO + tristate "VFIO Non-Privileged userspace driver framework" + depends on IOMMU_API + select VFIO_IOMMU_TYPE1 if (X86 || S390 || ARM_SMMU || ARM_SMMU_V3) + select ANON_INODES + help + VFIO provides a framework for secure userspace device drivers. + See Documentation/vfio.txt for more details. + + If you don't know what to do here, say N. + +config VFIO_NOIOMMU + bool "VFIO No-IOMMU support" + depends on VFIO + help + VFIO is built on the ability to isolate devices using the IOMMU. + Only with an IOMMU can userspace access to DMA capable devices be + considered secure. VFIO No-IOMMU mode enables IOMMU groups for + devices without IOMMU backing for the purpose of re-using the VFIO + infrastructure in a non-secure mode. Use of this mode will result + in an unsupportable kernel and will therefore taint the kernel. + Device assignment to virtual machines is also not possible with + this mode since there is no IOMMU to provide DMA translation. + + If you don't know what to do here, say N. + +source "drivers/vfio/pci/Kconfig" +source "drivers/vfio/platform/Kconfig" +source "drivers/vfio/mdev/Kconfig" +source "virt/lib/Kconfig" |