projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 6fb4e772 OM |
1 | /** @file\r |
| 2 | \r | |
| 3 | Definitions for the VirtIo MMIO Device Library\r | |
| 4 | \r | |
| 5 | Copyright (C) 2013, ARM Ltd\r | |
| 6 | \r | |
| b26f0cf9 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 6fb4e772 OM |
8 | \r |
| 9 | **/\r | |
| 10 | \r | |
| 11 | #ifndef _VIRTIO_MMIO_DEVICE_LIB_H_\r | |
| 12 | #define _VIRTIO_MMIO_DEVICE_LIB_H_\r | |
| 13 | \r | |
| 14 | /**\r | |
| 15 | \r | |
| 16 | Initialize VirtIo Device and Install VIRTIO_DEVICE_PROTOCOL protocol\r | |
| 17 | \r | |
| 18 | @param[in] BaseAddress Base Address of the VirtIo MMIO Device\r | |
| 19 | \r | |
| 20 | @param[in] Handle Handle of the device the driver should be attached\r | |
| 21 | to.\r | |
| 22 | \r | |
| 23 | @retval EFI_SUCCESS The VirtIo Device has been installed\r | |
| 24 | successfully.\r | |
| 25 | \r | |
| 26 | @retval EFI_OUT_OF_RESOURCES The function failed to allocate memory required\r | |
| 27 | by the Virtio MMIO device initialization.\r | |
| 28 | \r | |
| 29 | @retval EFI_UNSUPPORTED BaseAddress does not point to a VirtIo MMIO\r | |
| 30 | device.\r | |
| 31 | \r | |
| 32 | @return Status code returned by InstallProtocolInterface\r | |
| 33 | Boot Service function.\r | |
| 34 | \r | |
| 35 | **/\r | |
| 36 | EFI_STATUS\r | |
| 37 | VirtioMmioInstallDevice (\r | |
| ac0a286f MK |
38 | IN PHYSICAL_ADDRESS BaseAddress,\r |
| 39 | IN EFI_HANDLE Handle\r | |
| 6fb4e772 OM |
40 | );\r |
| 41 | \r | |
| 42 | /**\r | |
| 43 | \r | |
| 44 | Uninstall the VirtIo Device\r | |
| 45 | \r | |
| 46 | @param[in] Handle Handle of the device where the VirtIo Device protocol\r | |
| 47 | should have been installed.\r | |
| 48 | \r | |
| 49 | @retval EFI_SUCCESS The device has been un-initialized successfully.\r | |
| 50 | \r | |
| 51 | @return Status code returned by UninstallProtocolInterface\r | |
| 52 | Boot Service function.\r | |
| 53 | \r | |
| 54 | **/\r | |
| 55 | EFI_STATUS\r | |
| 56 | VirtioMmioUninstallDevice (\r | |
| ac0a286f | 57 | IN EFI_HANDLE Handle\r |
| 6fb4e772 OM |
58 | );\r |
| 59 | \r | |
| 60 | #endif // _VIRTIO_MMIO_DEVICE_LIB_H_\r |