projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5297c0bf LE |
1 | /** @file\r |
| 2 | Internal interfaces specific to the QemuFwCfgLib instances in OvmfPkg.\r | |
| 3 | \r | |
| 4 | Copyright (C) 2016, Red Hat, Inc.\r | |
| 5 | \r | |
| 6 | This program and the accompanying materials are licensed and made available\r | |
| 7 | under the terms and conditions of the BSD License which accompanies this\r | |
| 8 | distribution. The full text of the license may be found at\r | |
| 9 | http://opensource.org/licenses/bsd-license.php\r | |
| 10 | \r | |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r | |
| 12 | WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | \r | |
| 14 | **/\r | |
| 15 | \r | |
| 16 | #ifndef __QEMU_FW_CFG_LIB_INTERNAL_H__\r | |
| 17 | #define __QEMU_FW_CFG_LIB_INTERNAL_H__\r | |
| 18 | \r | |
| 19 | /**\r | |
| 20 | Returns a boolean indicating if the firmware configuration interface is\r | |
| 21 | available for library-internal purposes.\r | |
| 22 | \r | |
| 23 | This function never changes fw_cfg state.\r | |
| 24 | \r | |
| 25 | @retval TRUE The interface is available internally.\r | |
| 26 | @retval FALSE The interface is not available internally.\r | |
| 27 | **/\r | |
| 28 | BOOLEAN\r | |
| 29 | InternalQemuFwCfgIsAvailable (\r | |
| 30 | VOID\r | |
| 31 | );\r | |
| 32 | \r | |
| 2c8dcbc6 LE |
33 | \r |
| 34 | /**\r | |
| 35 | Returns a boolean indicating whether QEMU provides the DMA-like access method\r | |
| 36 | for fw_cfg.\r | |
| 37 | \r | |
| 38 | @retval TRUE The DMA-like access method is available.\r | |
| 39 | @retval FALSE The DMA-like access method is unavailable.\r | |
| 40 | **/\r | |
| 41 | BOOLEAN\r | |
| 42 | InternalQemuFwCfgDmaIsAvailable (\r | |
| 43 | VOID\r | |
| 44 | );\r | |
| 45 | \r | |
| 5297c0bf | 46 | #endif\r |