Internal definitions for the VirtIo MMIO Device driver\r
\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
- distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r
- WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/IoLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/VirtioMmioDeviceLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
\r
-#define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')\r
+#define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')\r
+#define VIRTIO_MMIO_DEVICE_VERSION_0_95 1\r
+#define VIRTIO_MMIO_DEVICE_VERSION_1_00 2\r
\r
typedef struct {\r
- UINT32 Signature;\r
- VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r
- PHYSICAL_ADDRESS BaseAddress;\r
+ UINT32 Signature;\r
+ UINT32 Version;\r
+ UINT16 QueueNum;\r
+ VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r
+ PHYSICAL_ADDRESS BaseAddress;\r
} VIRTIO_MMIO_DEVICE;\r
\r
#define VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE(Device) \\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioDeviceRead (\r
- IN VIRTIO_DEVICE_PROTOCOL *This,\r
- IN UINTN FieldOFfset,\r
- IN UINTN FieldSize,\r
- IN UINTN BufferSize,\r
- OUT VOID* Buffer\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINTN FieldOFfset,\r
+ IN UINTN FieldSize,\r
+ IN UINTN BufferSize,\r
+ OUT VOID *Buffer\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioDeviceWrite (\r
- IN VIRTIO_DEVICE_PROTOCOL *This,\r
- IN UINTN FieldOffset,\r
- IN UINTN FieldSize,\r
- IN UINT64 Value\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINTN FieldOffset,\r
+ IN UINTN FieldSize,\r
+ IN UINT64 Value\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioGetDeviceFeatures (\r
- IN VIRTIO_DEVICE_PROTOCOL *This,\r
- OUT UINT64 *DeviceFeatures\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ OUT UINT64 *DeviceFeatures\r
);\r
\r
EFI_STATUS\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioSetQueueSize (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT16 QueueSize\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT16 QueueSize\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioSetDeviceStatus (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT8 DeviceStatus\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT8 DeviceStatus\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioSetQueueNotify (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT16 QueueNotify\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT16 QueueNotify\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioSetQueueSel (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT16 Sel\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT16 Sel\r
);\r
\r
EFI_STATUS\r
+EFIAPI\r
VirtioMmioSetQueueAddress (\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
EFI_STATUS\r
EFIAPI\r
VirtioMmioSetQueueAlignment (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT32 Alignment\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT32 Alignment\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioSetPageSize (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT32 PageSize\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT32 PageSize\r
);\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioMmioSetGuestFeatures (\r
- VIRTIO_DEVICE_PROTOCOL *This,\r
- UINT64 Features\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINT64 Features\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\r
+EFIAPI\r
+VirtioMmioFreeSharedPages (\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN UINTN NumPages,\r
+ IN VOID *HostAddress\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
+EFI_STATUS\r
+EFIAPI\r
+VirtioMmioUnmapSharedBuffer (\r
+ IN VIRTIO_DEVICE_PROTOCOL *This,\r
+ IN VOID *Mapping\r
);\r
\r
#endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r