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- /** @file
- HDD Password common header file.
- Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef _HDD_PASSWORD_COMMON_H_
- #define _HDD_PASSWORD_COMMON_H_
- //
- // The payload length of HDD related ATA commands
- //
- #define HDD_PAYLOAD 512
- #define ATA_SECURITY_SET_PASSWORD_CMD 0xF1
- #define ATA_SECURITY_UNLOCK_CMD 0xF2
- #define ATA_SECURITY_FREEZE_LOCK_CMD 0xF5
- #define ATA_SECURITY_DIS_PASSWORD_CMD 0xF6
- //
- // The max retry count specified in ATA 8 spec.
- //
- #define MAX_HDD_PASSWORD_RETRY_COUNT 5
- //
- // According to ATA spec, the max length of hdd password is 32 bytes
- //
- #define HDD_PASSWORD_MAX_LENGTH 32
- #define HDD_PASSWORD_DEVICE_INFO_GUID { 0x96d877ad, 0x48af, 0x4b39, { 0x9b, 0x27, 0x4d, 0x97, 0x43, 0x9, 0xae, 0x47 } }
- typedef struct {
- UINT8 Bus;
- UINT8 Device;
- UINT8 Function;
- UINT8 Reserved;
- UINT16 Port;
- UINT16 PortMultiplierPort;
- } HDD_PASSWORD_DEVICE;
- //
- // It will be used to unlock HDD password for S3.
- //
- typedef struct {
- HDD_PASSWORD_DEVICE Device;
- CHAR8 Password[HDD_PASSWORD_MAX_LENGTH];
- UINT32 DevicePathLength;
- EFI_DEVICE_PATH_PROTOCOL DevicePath[];
- } HDD_PASSWORD_DEVICE_INFO;
- #endif // _HDD_PASSWORD_COMMON_H_
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