This patch is to improve IOMMU performance.
All WBINVD is removed due to performance issue.
CLFLUSH by WriteBackDataCacheRange() is used to
only flush the context table or
second level page table if they are changed.
This patch also removed some unused functions.
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>
There are VS2015 NOOPT IA32 build failure like below in IntelVTdDxe.
XXX.lib(XXX.obj) : error LNK2001: unresolved external symbol __allshl
XXX.lib(XXX.obj) : error LNK2001: unresolved external symbol __aullshr
This patch is to update Vtd.h to use UINT32 instead of UINT64 for
bitfields in structure definition, and also update IntelVTdDxe code
accordingly.
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
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>
Jiewen Yao
Star Zeng