OvmfPkg/VirtioMmioDeviceLib: list "VirtioMmioDevice.h" in the INF file

[mirror_edk2.git] / OvmfPkg / Library / VirtioMmioDeviceLib / VirtioMmioDeviceFunctions.c

diff --git a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
index 9142d4a162c06f43659aa57b649afe7e0226ed84..67458e56231bcdbe1c1bc62cca717b4384a9df5e 100644 (file)
--- a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
+++ b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
@@ -181,11 +181,14 @@ VirtioMmioSetQueueSel (
 EFI_STATUS\r
 VirtioMmioSetQueueAddress (\r
   IN VIRTIO_DEVICE_PROTOCOL  *This,\r
-  IN VRING                   *Ring\r
+  IN VRING                   *Ring,\r
+  IN UINT64                  RingBaseShift\r
   )\r
 {\r
   VIRTIO_MMIO_DEVICE *Device;\r
 \r
+  ASSERT (RingBaseShift == 0);\r
+\r
   Device = VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE (This);\r
 \r
   VIRTIO_CFG_WRITE (Device, VIRTIO_MMIO_OFFSET_QUEUE_PFN,\r
@@ -293,3 +296,60 @@ VirtioMmioDeviceRead (
 \r
   return EFI_SUCCESS;\r
 }\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VirtioMmioAllocateSharedPages (\r
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,\r
+  IN  UINTN                   NumPages,\r
+  OUT VOID                    **HostAddress\r
+  )\r
+{\r
+  VOID        *Buffer;\r
+\r
+  Buffer = AllocatePages (NumPages);\r
+  if (Buffer == NULL) {\r
+    return EFI_OUT_OF_RESOURCES;\r
+  }\r
+\r
+  *HostAddress = Buffer;\r
+  return EFI_SUCCESS;\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+VirtioMmioFreeSharedPages (\r
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,\r
+  IN  UINTN                   NumPages,\r
+  IN  VOID                    *HostAddress\r
+  )\r
+{\r
+  FreePages (HostAddress, NumPages);\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VirtioMmioMapSharedBuffer (\r
+  IN      VIRTIO_DEVICE_PROTOCOL  *This,\r
+  IN      VIRTIO_MAP_OPERATION    Operation,\r
+  IN      VOID                    *HostAddress,\r
+  IN OUT  UINTN                   *NumberOfBytes,\r
+  OUT     EFI_PHYSICAL_ADDRESS    *DeviceAddress,\r
+  OUT     VOID                    **Mapping\r
+  )\r
+{\r
+  *DeviceAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) HostAddress;\r
+  *Mapping = NULL;\r
+\r
+  return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VirtioMmioUnmapSharedBuffer (\r
+  IN VIRTIO_DEVICE_PROTOCOL    *This,\r
+  IN VOID                      *Mapping\r
+  )\r
+{\r
+  return EFI_SUCCESS;\r
+}\r