| 1 | /** @file
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| 2 | Declarations and macros for the console abstraction.
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| 3 |
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| 4 | Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials are licensed and made available
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| 6 | under the terms and conditions of the BSD License which accompanies this
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| 7 | distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php.
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | Depends on <kfile.h>, <Device/Device.h>, <Protocol/SimpleTextIn.h>, <Uefi/UefiBaseType.h>
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| 14 | **/
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| 15 | #ifndef _DEVICE_UEFI_CONSOLE_H
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| 16 | #define _DEVICE_UEFI_CONSOLE_H
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| 17 |
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| 18 | #include <kfile.h>
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| 19 | #include <Device/Device.h>
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| 20 |
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| 21 | /* The members Cookie through Abstraction, inclusive, are the same type and order
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| 22 | for all instance structures.
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| 23 |
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| 24 | All instance structures must be a multiple of sizeof(UINTN) bytes long
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| 25 | */
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| 26 | typedef struct {
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| 27 | UINT32 Cookie; ///< Special value identifying this as a valid ConInstance
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| 28 | UINT32 InstanceNum; ///< Which instance is this? Zero-based.
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| 29 | EFI_HANDLE Dev; ///< Pointer to either Input or Output Protocol.
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| 30 | DeviceNode *Parent; ///< Points to the parent Device Node.
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| 31 | struct fileops Abstraction; ///< Pointers to functions implementing this device's abstraction.
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| 32 | UINTN Reserved_1; // Ensure that next member starts on an 8-byte boundary
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| 33 | UINT64 NumRead; ///< Number of characters Read.
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| 34 | UINT64 NumWritten; ///< Number of characters Written.
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| 35 | EFI_INPUT_KEY UnGetKey; ///< One-key pushback, for poll().
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| 36 | __mbstate_t CharState; ///< Character state for the byte stream passing through this device
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| 37 | } ConInstance;
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| 38 |
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| 39 | __BEGIN_DECLS
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| 40 |
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| 41 | int
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| 42 | EFIAPI
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| 43 | da_ConOpen(
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| 44 | IN DeviceNode *DevNode,
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| 45 | IN struct __filedes *filp,
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| 46 | IN int DevInstance,
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| 47 | IN CHAR16 *Path,
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| 48 | IN CHAR16 *MPath
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| 49 | );
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| 50 |
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| 51 | __END_DECLS
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| 52 |
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| 53 | #endif /* _DEVICE_UEFI_CONSOLE_H */
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