mirror of https://github.com/acidanthera/audk.git
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
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/** @file
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HDD Password common header file.
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Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _HDD_PASSWORD_COMMON_H_
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#define _HDD_PASSWORD_COMMON_H_
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//
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// The payload length of HDD related ATA commands
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//
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#define HDD_PAYLOAD 512
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#define ATA_SECURITY_SET_PASSWORD_CMD 0xF1
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#define ATA_SECURITY_UNLOCK_CMD 0xF2
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#define ATA_SECURITY_FREEZE_LOCK_CMD 0xF5
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#define ATA_SECURITY_DIS_PASSWORD_CMD 0xF6
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//
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// The max retry count specified in ATA 8 spec.
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//
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#define MAX_HDD_PASSWORD_RETRY_COUNT 5
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//
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// According to ATA spec, the max length of hdd password is 32 bytes
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//
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#define HDD_PASSWORD_MAX_LENGTH 32
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#define HDD_PASSWORD_DEVICE_INFO_GUID { 0x96d877ad, 0x48af, 0x4b39, { 0x9b, 0x27, 0x4d, 0x97, 0x43, 0x9, 0xae, 0x47 } }
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typedef struct {
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UINT8 Bus;
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UINT8 Device;
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UINT8 Function;
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UINT8 Reserved;
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UINT16 Port;
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UINT16 PortMultiplierPort;
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} HDD_PASSWORD_DEVICE;
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//
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// It will be used to unlock HDD password for S3.
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//
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typedef struct {
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HDD_PASSWORD_DEVICE Device;
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CHAR8 Password[HDD_PASSWORD_MAX_LENGTH];
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UINT32 DevicePathLength;
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EFI_DEVICE_PATH_PROTOCOL DevicePath[];
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} HDD_PASSWORD_DEVICE_INFO;
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#endif // _HDD_PASSWORD_COMMON_H_
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