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OvmfPkg/XenBusDxe: Add Event Channel Notify.

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This first function is used to notify the other side that there is
something to do. The other side is another Xen domain.

Change in V4:
- Replace the license by the commonly used file header text.

Change in V3:
- Return error code from hypercall instead of ASSERT for
  XenEventChannelNotify
- moving event_channel.h to this patch.

Change in V2:
- file header
- coding style
- adding comment to functions
- Licenses

License: This patch adds event_channel.h which is under MIT licence.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16265 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Anthony PERARD
2014-10-29 06:50:24 +00:00
committed by jljusten
parent 0fd142464f
commit f1259bba36
4 changed files with 189 additions and 0 deletions
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2
OvmfPkg/XenBusDxe/XenBusDxe.inf
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@@ -40,6 +40,8 @@
InterlockedCompareExchange16.h
GrantTable.c
GrantTable.h
EventChannel.c
EventChannel.h
[Sources.IA32]
Ia32/hypercall.S