From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/vfio/Kconfig | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 drivers/vfio/Kconfig (limited to 'drivers/vfio/Kconfig') diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig new file mode 100644 index 000000000..86c381ceb --- /dev/null +++ b/drivers/vfio/Kconfig @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: GPL-2.0-only +menuconfig VFIO + tristate "VFIO Non-Privileged userspace driver framework" + select IOMMU_API + select VFIO_IOMMU_TYPE1 if MMU && (X86 || S390 || ARM || ARM64) + select INTERVAL_TREE + help + VFIO provides a framework for secure userspace device drivers. + See Documentation/driver-api/vfio.rst for more details. + + If you don't know what to do here, say N. + +if VFIO +config VFIO_IOMMU_TYPE1 + tristate + default n + +config VFIO_IOMMU_SPAPR_TCE + tristate + depends on SPAPR_TCE_IOMMU + default VFIO + +config VFIO_SPAPR_EEH + tristate + depends on EEH && VFIO_IOMMU_SPAPR_TCE + default VFIO + +config VFIO_VIRQFD + tristate + select EVENTFD + default n + +config VFIO_NOIOMMU + bool "VFIO No-IOMMU support" + 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 "drivers/vfio/fsl-mc/Kconfig" +endif + +source "virt/lib/Kconfig" -- cgit v1.2.3