Commit Graph

2 Commits

Author SHA1 Message Date
Jiewen Yao 94fb621d37 IntelSiliconPkg/Vtd: Support CSM usage.
Remove zero address check in IoMmuMap.
The reason is that a CSM legacy driver may use legacy memory for DMA.
As such, the legacyBios need allow below 1M to the legacy device.

This patch also fixed some typo.

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>
2017-09-06 12:11:08 +08:00
Jiewen Yao c049fc9909 IntelSiliconPkg: Add VTd driver.
It provides AllocateBuffer/FreeBuffer/Map/Unmap function.
It also provides VTd capability yet.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
2017-07-27 09:29:16 +08:00