/** @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 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 ( 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 ( IN VIRTIO_DEVICE_PROTOCOL *This, IN VRING *Ring ); 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, UINT64 Features ); #endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_