Star Zeng 92cf6c91d0 MdeModulePkg Ppi/IoMmu.h: Add EFI_NOT_AVAILABLE_YET return status code ...

Install IOMMU PPI for pre-memory phase and return
EFI_NOT_AVAILABLE_YET to indicate that DMA protection has been enabled,
but DMA buffer are not available to be allocated yet.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
(cherry picked from commit 20b58eb850)

2018-05-10 11:50:27 +08:00

8.2 KiB

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