/** @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') | |
#define VIRTIO_MMIO_DEVICE_VERSION_0_95 1 | |
#define VIRTIO_MMIO_DEVICE_VERSION_1_00 2 | |
typedef struct { | |
UINT32 Signature; | |
UINT32 Version; | |
UINT16 QueueNum; | |
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 | |
EFIAPI | |
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_ |