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Ovmf/Xen: move XenBusDxe to abstract XENIO_PROTOCOL

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While Xen on Intel uses a virtual PCI device to communicate the
base address of the grant table, the ARM implementation uses a DT
node, which is fundamentally incompatible with the way XenBusDxe is
implemented, i.e., as a UEFI Driver Model implementation for a PCI
device.

Contributed-under: TianoCore Contribution Agreement 1.0
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16973 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ard Biesheuvel
2015-02-28 20:33:11 +00:00
committed by lersek
parent f2162d3410
commit d9fdfd851a
13 changed files with 29 additions and 58 deletions
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6
OvmfPkg/XenBusDxe/XenBus.c
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@@ -138,7 +138,7 @@ XenBusAddDevice (
XENBUS_PRIVATE_DATA *Private;
EFI_STATUS Status;
XENBUS_DEVICE_PATH *TempXenBusPath;
VOID *ChildPciIo;
VOID *ChildXenIo;
AsciiSPrint (DevicePath, sizeof (DevicePath),
"device/%a/%a", Type, Id);
@@ -208,8 +208,8 @@ XenBusAddDevice (
}
Status = gBS->OpenProtocol (Dev->ControllerHandle,
&gEfiPciIoProtocolGuid,
&ChildPciIo, Dev->This->DriverBindingHandle,
&gXenIoProtocolGuid,
&ChildXenIo, Dev->This->DriverBindingHandle,
Private->Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER);
if (EFI_ERROR (Status)) {