Copyright (C) 2012, Red Hat, Inc.\r
Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>\r
Copyright (C) 2013, ARM Ltd.\r
+ Copyright (C) 2017, AMD Inc, All rights reserved.<BR>\r
\r
This program and the accompanying materials are licensed and made available\r
under the terms and conditions of the BSD License which accompanies this\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueAddress (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT32 Address\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN VRING *Ring,\r
+ IN UINT64 RingBaseShift\r
)\r
{\r
VIRTIO_PCI_DEVICE *Dev;\r
\r
+ ASSERT (RingBaseShift == 0);\r
+\r
Dev = VIRTIO_PCI_DEVICE_FROM_VIRTIO_DEVICE (This);\r
\r
return VirtioPciIoWrite (Dev, VIRTIO_PCI_OFFSET_QUEUE_ADDRESS, sizeof (UINT32),\r
- Address);\r
+ (UINT32)((UINTN)Ring->Base >> EFI_PAGE_SHIFT));\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueSel (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT16 Sel\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT16 Sel\r
)\r
{\r
VIRTIO_PCI_DEVICE *Dev;\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueAlignment (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT32 Alignment\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT32 Alignment\r
)\r
{\r
return EFI_SUCCESS;\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetPageSize (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT32 PageSize\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT32 PageSize\r
)\r
{\r
return (PageSize == EFI_PAGE_SIZE) ? EFI_SUCCESS : EFI_UNSUPPORTED;\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueNotify (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT16 Index\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT16 Index\r
)\r
{\r
VIRTIO_PCI_DEVICE *Dev;\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetQueueSize (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT16 Size\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT16 Size\r
)\r
{\r
//\r
EFI_STATUS\r
EFIAPI\r
VirtioPciSetDeviceStatus (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT8 DeviceStatus\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT8 DeviceStatus\r
)\r
{\r
VIRTIO_PCI_DEVICE *Dev;\r
return VirtioPciIoWrite (Dev, VIRTIO_PCI_OFFSET_QUEUE_DEVICE_STATUS,\r
sizeof (UINT8), DeviceStatus);\r
}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VirtioPciAllocateSharedPages (\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
+VirtioPciFreeSharedPages (\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
+VirtioPciMapSharedBuffer (\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
+VirtioPciUnmapSharedBuffer (\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN VOID *Mapping\r
+ )\r
+{\r
+ return EFI_SUCCESS;\r
+}\r