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path: root/drivers/iommu/iommufd/Kconfig
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Diffstat (limited to 'drivers/iommu/iommufd/Kconfig')
-rw-r--r--drivers/iommu/iommufd/Kconfig12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/iommu/iommufd/Kconfig b/drivers/iommu/iommufd/Kconfig
index 8306616b6d81..eae3f03629b0 100644
--- a/drivers/iommu/iommufd/Kconfig
+++ b/drivers/iommu/iommufd/Kconfig
@@ -1,4 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
+config IOMMUFD_DRIVER_CORE
+ bool
+ default (IOMMUFD_DRIVER || IOMMUFD) if IOMMUFD!=n
+
config IOMMUFD
tristate "IOMMU Userspace API"
select INTERVAL_TREE
@@ -14,8 +18,8 @@ config IOMMUFD
if IOMMUFD
config IOMMUFD_VFIO_CONTAINER
bool "IOMMUFD provides the VFIO container /dev/vfio/vfio"
- depends on VFIO && !VFIO_CONTAINER
- default VFIO && !VFIO_CONTAINER
+ depends on VFIO_GROUP && !VFIO_CONTAINER
+ default VFIO_GROUP && !VFIO_CONTAINER
help
IOMMUFD will provide /dev/vfio/vfio instead of VFIO. This relies on
IOMMUFD providing compatibility emulation to give the same ioctls.
@@ -23,7 +27,7 @@ config IOMMUFD_VFIO_CONTAINER
removed.
IOMMUFD VFIO container emulation is known to lack certain features
- of the native VFIO container, such as no-IOMMU support, peer-to-peer
+ of the native VFIO container, such as peer-to-peer
DMA mapping, PPC IOMMU support, as well as other potentially
undiscovered gaps. This option is currently intended for the
purpose of testing IOMMUFD with unmodified userspace supporting VFIO
@@ -37,6 +41,8 @@ config IOMMUFD_TEST
depends on DEBUG_KERNEL
depends on FAULT_INJECTION
depends on RUNTIME_TESTING_MENU
+ depends on IOMMU_PT_AMDV1
+ select IOMMUFD_DRIVER
default n
help
This is dangerous, do not enable unless running