diff options
Diffstat (limited to 'OvmfPkg/XenBusDxe/XenBusDxe.c')
| -rw-r--r-- | OvmfPkg/XenBusDxe/XenBusDxe.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.c b/OvmfPkg/XenBusDxe/XenBusDxe.c index f3c74e1fbe..4c638b85f1 100644 --- a/OvmfPkg/XenBusDxe/XenBusDxe.c +++ b/OvmfPkg/XenBusDxe/XenBusDxe.c @@ -29,6 +29,8 @@ #include "XenBusDxe.h"
+#include "XenHypercall.h"
+
///
/// Driver Binding Protocol instance
@@ -264,6 +266,8 @@ NotifyExitBoot ( @retval EFI_SUCCESS The device was started.
@retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+ @retval EFI_UNSUPPORTED Something is missing on the system that
+ prevent to start the edvice.
@retval Others The driver failded to start the device.
**/
@@ -295,6 +299,20 @@ XenBusDxeDriverBindingStart ( mMyDevice = Dev;
EfiReleaseLock (&mMyDeviceLock);
+ Status = XenHyperpageInit (Dev);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "XenBus: Unable to retrieve the hyperpage.\n"));
+ Status = EFI_UNSUPPORTED;
+ goto ErrorAllocated;
+ }
+
+ Status = XenGetSharedInfoPage (Dev);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "XenBus: Unable to get the shared info page.\n"));
+ Status = EFI_UNSUPPORTED;
+ goto ErrorAllocated;
+ }
+
Status = gBS->CreateEvent (EVT_SIGNAL_EXIT_BOOT_SERVICES, TPL_CALLBACK,
NotifyExitBoot,
(VOID*) Dev,
|