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1 | /** @file\r |
2 | Provides services for SMM IO Operation.\r | |
3 | \r | |
4 | The SMM IO Library provides function for checking if IO resource is accessible inside of SMM.\r | |
5 | \r | |
6 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r | |
7 | This program and the accompanying materials\r | |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #ifndef _SMM_IO_LIB_H_\r | |
18 | #define _SMM_IO_LIB_H_\r | |
19 | \r | |
20 | /**\r | |
21 | This function check if the MMIO resource is valid per processor architecture and\r | |
22 | valid per platform design.\r | |
23 | \r | |
24 | @param BaseAddress The MMIO start address to be checked.\r | |
25 | @param Length The MMIO length to be checked.\r | |
26 | @param Owner A GUID representing the owner of the resource.\r | |
27 | This GUID may be used by producer to correlate the device ownership of the resource.\r | |
28 | NULL means no specific owner.\r | |
29 | \r | |
30 | @retval TRUE This MMIO resource is valid per processor architecture and valid per platform design.\r | |
31 | @retval FALSE This MMIO resource is not valid per processor architecture or valid per platform design.\r | |
32 | **/\r | |
33 | BOOLEAN\r | |
34 | EFIAPI\r | |
35 | SmmIsMmioValid (\r | |
36 | IN EFI_PHYSICAL_ADDRESS BaseAddress,\r | |
37 | IN UINT64 Length,\r | |
38 | IN EFI_GUID *Owner OPTIONAL\r | |
39 | );\r | |
40 | \r | |
41 | #endif\r | |
42 | \r |