| 878ddf1f |
1 | /*++\r |
| 2 | \r |
| 3 | Copyright (c) 2006, Intel Corporation \r |
| 4 | All rights reserved. This program and the accompanying materials \r |
| 5 | are licensed and made available under the terms and conditions of the BSD License \r |
| 6 | which accompanies this distribution. The full text of the license may be found at \r |
| 7 | http://opensource.org/licenses/bsd-license.php \r |
| 8 | \r |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 11 | \r |
| 12 | Module Name:\r |
| 13 | \r |
| 14 | FwVolAttrib.c\r |
| 15 | \r |
| 16 | Abstract:\r |
| 17 | \r |
| 18 | Implements get/set firmware volume attributes\r |
| 19 | \r |
| 20 | --*/\r |
| 21 | \r |
| 22 | #include <DxeMain.h>\r |
| 23 | \r |
| 24 | EFI_STATUS\r |
| 25 | EFIAPI\r |
| 26 | FvGetVolumeAttributes (\r |
| 27 | IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r |
| 28 | OUT EFI_FV_ATTRIBUTES *Attributes\r |
| 29 | )\r |
| 30 | /*++\r |
| 31 | \r |
| 32 | Routine Description:\r |
| 33 | Retrieves attributes, insures positive polarity of attribute bits, returns\r |
| 34 | resulting attributes in output parameter\r |
| 35 | \r |
| 36 | Arguments:\r |
| 37 | This - Calling context\r |
| 38 | Attributes - output buffer which contains attributes\r |
| 39 | \r |
| 40 | Returns:\r |
| 41 | EFI_SUCCESS - Successfully got volume attributes\r |
| 42 | \r |
| 43 | --*/\r |
| 44 | {\r |
| 45 | EFI_STATUS Status;\r |
| 46 | FV_DEVICE *FvDevice;\r |
| 47 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;\r |
| 48 | EFI_FVB_ATTRIBUTES FvbAttributes;\r |
| 49 | \r |
| 50 | FvDevice = FV_DEVICE_FROM_THIS (This);\r |
| 51 | Fvb = FvDevice->Fvb;\r |
| 52 | \r |
| 53 | if (FvDevice->CachedFv == NULL) {\r |
| 54 | Status = FvCheck (FvDevice);\r |
| 55 | if (EFI_ERROR (Status)) {\r |
| 56 | return Status;\r |
| 57 | }\r |
| 58 | }\r |
| 59 | \r |
| 60 | //\r |
| 61 | // First get the Firmware Volume Block Attributes\r |
| 62 | //\r |
| 63 | Status = Fvb->GetVolumeAttributes (Fvb, &FvbAttributes);\r |
| 64 | \r |
| 65 | //\r |
| 66 | // Mask out Fvb bits that are not defined in FV \r |
| 67 | //\r |
| 68 | FvbAttributes &= 0xfffff0ff;\r |
| 69 | \r |
| 70 | *Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes; \r |
| 71 | \r |
| 72 | return Status;\r |
| 73 | }\r |
| 74 | \r |
| 75 | \r |
| 76 | EFI_STATUS\r |
| 77 | EFIAPI\r |
| 78 | FvSetVolumeAttributes (\r |
| 79 | IN EFI_FIRMWARE_VOLUME_PROTOCOL *This,\r |
| 80 | IN OUT EFI_FV_ATTRIBUTES *Attributes\r |
| 81 | )\r |
| 82 | /*++\r |
| 83 | \r |
| 84 | Routine Description:\r |
| 85 | Sets current attributes for volume\r |
| 86 | \r |
| 87 | Arguments:\r |
| 88 | This - Calling context\r |
| 89 | Attributes - At input, contains attributes to be set. At output contains\r |
| 90 | new value of FV\r |
| 91 | \r |
| 92 | Returns:\r |
| 93 | EFI_UNSUPPORTED - Could not be set.\r |
| 94 | \r |
| 95 | --*/\r |
| 96 | {\r |
| 97 | return EFI_UNSUPPORTED;\r |
| 98 | }\r |
| 99 | \r |
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