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MdePkg/PciSegmentInfoLib: Add PciSegmentInfoLib class and instance.

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The patch adds PciSegmentInfoLib library class which is used
by PciSegmentLib (commit in next patch) to support multiple
segment PCI configuration access.

BasePciSegmentInfoLibNull instance is added but it shouldn't be
used by any real platform.
Any single segment platform that wants to use PciSegmentLib could
use BasePciSegmentLibPci instance.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Ruiyu Ni
2017-08-04 13:10:59 +08:00
parent c9c270193a
commit e457c1f65d
6 changed files with 144 additions and 0 deletions
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3
MdePkg/MdePkg.dec
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@@ -131,6 +131,9 @@
## @libraryclass Provides a service to retrieve the PE/COFF entry point from a PE/COFF image.
PeCoffGetEntryPointLib|Include/Library/PeCoffGetEntryPointLib.h
## @libraryclass Provides services to return the PCI segment information.
PciSegmentInfoLib|Include/Library/PciSegmentInfoLib.h
## @libraryclass Provides services to access PCI Configuration Space on a platform with multiple PCI segments.
PciSegmentLib|Include/Library/PciSegmentLib.h