Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Anthony PERARD <anthony.per...@citrix.com>
---
OvmfPkg/XenbusDxe/XenbusDxe.c | 16 ++++++++++++++++
OvmfPkg/XenbusDxe/XenbusDxe.h | 1 +
2 files changed, 17 insertions(+)
diff --git a/OvmfPkg/XenbusDxe/XenbusDxe.c b/OvmfPkg/XenbusDxe/XenbusDxe.c
index 63ea31b..ba5e8f4 100644
--- a/OvmfPkg/XenbusDxe/XenbusDxe.c
+++ b/OvmfPkg/XenbusDxe/XenbusDxe.c
@@ -290,11 +290,25 @@ XenbusDxeDriverBindingStart (
{
EFI_STATUS Status;
XENBUS_DEVICE *Dev;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiPciIoProtocolGuid,
+ (VOID **)&PciIo,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
Dev = AllocateZeroPool (sizeof (*Dev));
Dev->Signature = XENBUS_DEVICE_SIGNATURE;
Dev->This = This;
Dev->ControllerHandle = ControllerHandle;
+ Dev->PciIo = PciIo;
Status = XenHyperpageInit (Dev);
ASSERT_EFI_ERROR (Status);
@@ -351,5 +365,7 @@ XenbusDxeDriverBindingStop (
gBS->CloseEvent (Dev->ExitBootEvent);
+ gBS->CloseProtocol(ControllerHandle, &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle, ControllerHandle);
return EFI_SUCCESS;
}
diff --git a/OvmfPkg/XenbusDxe/XenbusDxe.h b/OvmfPkg/XenbusDxe/XenbusDxe.h
index 6140f94..d57e3c8 100644
--- a/OvmfPkg/XenbusDxe/XenbusDxe.h
+++ b/OvmfPkg/XenbusDxe/XenbusDxe.h
@@ -84,6 +84,7 @@ struct _XENBUS_DEVICE {
UINT32 Signature;
EFI_DRIVER_BINDING_PROTOCOL *This;
EFI_HANDLE ControllerHandle;
+ EFI_PCI_IO_PROTOCOL *PciIo;
EFI_EVENT ExitBootEvent;
VOID *Hyperpage;
--
Anthony PERARD
------------------------------------------------------------------------------
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