Star Zeng b06dfd40bb IntelSiliconPkg IntelVTdDxe: Check HeaderType if func 0 is implemented
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1169

Current code checks HeaderType of Function 0 even Function 0 is not
implemented. HeaderType value will be 0xFF if Function 0 is not
implemented, then MaxFunction will be set to PCI_MAX_FUNC + 1.

The code can be optimized to only check HeaderType if Function 0 is
implemented.

Test done:
With this patch, the result is same with the result after the patch at
https://lists.01.org/pipermail/edk2-devel/2018-September/029623.html.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Tomson Chang <tomson.chang@intel.com>
Cc: Jenny Huang <jenny.huang@intel.com>
Cc: Amy Chan <amy.chan@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>
2018-09-17 09:17:58 +08:00
2018-09-14 14:35:15 +08:00

EDK II Project

A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.

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