171 lines
3.8 KiB
C
171 lines
3.8 KiB
C
/** @file
|
|
|
|
Internal definitions for the VirtIo MMIO Device driver
|
|
|
|
Copyright (C) 2013, ARM Ltd
|
|
Copyright (C) 2017, AMD Inc. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#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>
|
|
#include <Library/MemoryAllocationLib.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 UINT64 *DeviceFeatures
|
|
);
|
|
|
|
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 (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINT16 QueueSize
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioSetDeviceStatus (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINT8 DeviceStatus
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioSetQueueNotify (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINT16 QueueNotify
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioSetQueueSel (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINT16 Sel
|
|
);
|
|
|
|
EFI_STATUS
|
|
VirtioMmioSetQueueAddress (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN VRING *Ring,
|
|
IN UINT64 RingBaseShift
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioSetQueueAlignment (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINT32 Alignment
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioSetPageSize (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINT32 PageSize
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioSetGuestFeatures (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINT64 Features
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioAllocateSharedPages (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINTN NumPages,
|
|
OUT VOID **HostAddress
|
|
);
|
|
|
|
VOID
|
|
EFIAPI
|
|
VirtioMmioFreeSharedPages (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN UINTN NumPages,
|
|
IN VOID *HostAddress
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioMapSharedBuffer (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN VIRTIO_MAP_OPERATION Operation,
|
|
IN VOID *HostAddress,
|
|
IN OUT UINTN *NumberOfBytes,
|
|
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
|
|
OUT VOID **Mapping
|
|
);
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
VirtioMmioUnmapSharedBuffer (
|
|
IN VIRTIO_DEVICE_PROTOCOL *This,
|
|
IN VOID *Mapping
|
|
);
|
|
|
|
#endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_
|