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/** @file
HDD Password common header file.
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#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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