Add PcdVTdPeiDmaBufferSize(S3) to replace the hard coded value
TOTAL_DMA_BUFFER_SIZE and TOTAL_DMA_BUFFER_SIZE_S3 in IntelVTdPmrPei.
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 339cb0af96)
Remove memory discovered dependency to support both premem
VTD_INFO_PPI and postmem VTD_INFO_PPI.
If VTD_INFO_PPI is installed before memory is ready, this
driver protects all memory region.
If VTD_INFO_PPI is installed or reinstalled after memory
is ready, this driver allocates DMA buffer and protect rest.
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
(cherry picked from commit a1e7cd0b02)
In S3 resume, before system transfer to waking vector,
the VTdPmr need turn off VTd protection based upon VTdPolicy.
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>
(cherry picked from commit fc8be1ad9a)
