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OvmfPkg: librarize reusable bits from VirtioBlkDxe's SynchronousRequest()

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new VirtioLib functions:
- VirtioPrepare(): prepare for appending descriptors
- VirtioFlush(): submit descriptor chain and await host answer

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13844 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
2012-10-12 18:54:35 +00:00
parent 7fcacd6c92
commit e371e7e545
4 changed files with 205 additions and 66 deletions
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2
OvmfPkg/Library/VirtioLib/VirtioLib.inf
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@@ -29,6 +29,8 @@
OvmfPkg/OvmfPkg.dec
[LibraryClasses]
BaseLib
BaseMemoryLib
DebugLib
MemoryAllocationLib
UefiBootServicesTableLib