/** @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_
