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-rw-r--r--drivers/iommu/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index a1e75cb..dc1aaa5 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -39,6 +39,25 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST
If unsure, say N here.
+config IOMMU_IO_PGTABLE_ARMV7S
+ bool "ARMv7/v8 Short Descriptor Format"
+ select IOMMU_IO_PGTABLE
+ depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST)
+ help
+ Enable support for the ARM Short-descriptor pagetable format.
+ This supports 32-bit virtual and physical addresses mapped using
+ 2-level tables with 4KB pages/1MB sections, and contiguous entries
+ for 64KB pages/16MB supersections if indicated by the IOMMU driver.
+
+config IOMMU_IO_PGTABLE_ARMV7S_SELFTEST
+ bool "ARMv7s selftests"
+ depends on IOMMU_IO_PGTABLE_ARMV7S
+ help
+ Enable self-tests for ARMv7s page table allocator. This performs
+ a series of page-table consistency checks during boot.
+
+ If unsure, say N here.
+
endmenu
config IOMMU_IOVA
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