From: Anshuman Khandual <[email protected]> Ultravisor based secure guest platforms will use generic SWIOTLB DMA API (i.e swiotlb_dma_ops structure) available under the CONFIG_DMA_DIRECT_OPS config. Also base CONFIG_SWIOTLB needs to be explicitly selected as well. Select both these config options on powerpc server platforms with secure guest support.
Signed-off-by: Anshuman Khandual <[email protected]> Signed-off-by: Thiago Jung Bauermann <[email protected]> --- arch/powerpc/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index f786c962edf0..90f73d15f58a 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -444,6 +444,8 @@ config PPC_SVM bool "Secure virtual machine (SVM) support for POWERPC" default n depends on PPC_PSERIES + select DMA_DIRECT_OPS + select SWIOTLB help Support secure guests on POWERPC. There are certain POWER platforms which support secure guests with the help of an Ultravisor executing
