Commit Graph

3 Commits

Author SHA1 Message Date
Star Zeng 20b58eb850 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>
2018-02-07 18:28:11 +08:00
Star Zeng b02f14f36f MdeModulePkg: Correct function description for AllocateBuffer
DUAL_ADDRESS_CYCLE is missing in the EFI_UNSUPPORTED
return status description.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@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>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2017-12-12 09:31:54 +08:00
Jiewen Yao 2b620ee1ff MdeModulePkg/Include: Add IOMMU_PPI.
This IOMMU_PPI is to provide IOMMU abstraction in PEI.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
2017-09-16 09:17:55 +08:00