blob: e0f42d34e324bf5b4cb246d416d4144b91006316 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/** @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_
|
