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-rw-r--r--drivers/iommu/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index ab9181d8af3b..8d0a2886658f 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -145,6 +145,18 @@ config AMD_IOMMU_V2
hardware. Select this option if you want to use devices that support
the PCI PRI and PASID interface.
+config AMD_IOMMU_DEBUGFS
+ bool "Enable AMD IOMMU internals in DebugFS"
+ depends on AMD_IOMMU && IOMMU_DEBUGFS
+ ---help---
+ !!!WARNING!!! !!!WARNING!!! !!!WARNING!!! !!!WARNING!!!
+
+ DO NOT ENABLE THIS OPTION UNLESS YOU REALLY, -REALLY- KNOW WHAT YOU ARE DOING!!!
+ Exposes AMD IOMMU device internals in DebugFS.
+
+ This option is -NOT- intended for production environments, and should
+ not generally be enabled.
+
# Intel IOMMU support
config DMAR_TABLE
bool