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Diffstat (limited to 'OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h')
-rw-r--r--OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h147
1 files changed, 147 insertions, 0 deletions
diff --git a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h
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index 000000000..188d873ae
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+++ b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h
@@ -0,0 +1,147 @@
+/** @file
+
+ Internal definitions for the VirtIo MMIO Device driver
+
+ Copyright (C) 2013, ARM Ltd
+
+ This program and the accompanying materials are licensed and made available
+ under the terms and conditions of the BSD License which accompanies this
+ distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+ WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _VIRTIO_MMIO_DEVICE_INTERNAL_H_
+#define _VIRTIO_MMIO_DEVICE_INTERNAL_H_
+
+#include <Protocol/VirtioDevice.h>
+
+#include <IndustryStandard/Virtio.h>
+
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/UefiLib.h>
+#include <Library/VirtioMmioDeviceLib.h>
+
+#define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')
+
+typedef struct {
+ UINT32 Signature;
+ VIRTIO_DEVICE_PROTOCOL VirtioDevice;
+ PHYSICAL_ADDRESS BaseAddress;
+} VIRTIO_MMIO_DEVICE;
+
+#define VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE(Device) \
+ CR (Device, VIRTIO_MMIO_DEVICE, VirtioDevice, VIRTIO_MMIO_DEVICE_SIGNATURE)
+
+#define VIRTIO_CFG_WRITE(Device, Offset, Val) \
+ (MmioWrite32 (Device->BaseAddress + (Offset), Val))
+#define VIRTIO_CFG_READ(Device, Offset) \
+ (MmioRead32 (Device->BaseAddress + (Offset)))
+
+EFI_STATUS
+EFIAPI
+VirtioMmioDeviceRead (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ IN UINTN FieldOFfset,
+ IN UINTN FieldSize,
+ IN UINTN BufferSize,
+ OUT VOID* Buffer
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioDeviceWrite (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ IN UINTN FieldOffset,
+ IN UINTN FieldSize,
+ IN UINT64 Value
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioGetDeviceFeatures (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT32 *DeviceFeatures
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioGetQueueAddress (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT32 *QueueAddress
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioGetQueueSize (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT16 *QueueNumMax
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioGetDeviceStatus (
+ IN VIRTIO_DEVICE_PROTOCOL *This,
+ OUT UINT8 *DeviceStatus
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioSetQueueSize (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT16 QueueSize
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioSetDeviceStatus (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT8 DeviceStatus
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioSetQueueNotify (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT16 QueueNotify
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioSetQueueSel (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT16 Sel
+ );
+
+EFI_STATUS
+VirtioMmioSetQueueAddress (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT32 Address
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioSetQueueAlignment (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT32 Alignment
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioSetPageSize (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT32 PageSize
+ );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioSetGuestFeatures (
+ VIRTIO_DEVICE_PROTOCOL *This,
+ UINT32 Features
+ );
+
+#endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_