Commit Graph

6 Commits

Author SHA1 Message Date
Jiewen Yao f77d35c7f0 IntelSiliconPkg/IntelVTd: update PlatformVtdPolicy
1. Handle flexible exception list format.
1.1 Handle DeviceScope based device info.
1.2 Handle PciDeviceId based device info.
2. Reorg the PCI_DEVICE_INFORMATION
2.1 Merge data pointer reduce allocation times
2.2 Add PCI device id to PCI_DEVICE_INFORMATION
2.3 Rename PciDescriptor to avoid confusing.
3. Fix the debug message too long issue.

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>
2017-08-28 16:28:45 +08:00
Bi, Dandan d654bf852f IntelSiliconPkg/IntelVTdDxe: Update function comments
In commit 4ad5f59715, the parameters
of some functions have been updated, but miss to update the comments
accordingly. This patch is to update the function comments.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
2017-08-17 11:47:01 +08:00
Jiewen Yao 4ad5f59715 IntelSiliconPkg/IntelVTdDxe: Improve performance.
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>
2017-08-14 22:59:13 +08:00
Star Zeng 76c6f69cca IntelSiliconPkg: Fix VS2015 NOOPT IA32 build failure in IntelVTdDxe
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>
2017-08-11 09:30:19 +08:00
Hao Wu be61fcd2b0 IntelSiliconPkg/IntelVTdDxe: Add explicit NULL pointer checks
Add explicit NULL pointer check to make the codes more straight-forward.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
2017-08-02 08:54:36 +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