blob: 4c2d2bd7b6883646141a1ac9d31efde779c72436 (
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/*!
* @file adaptor.h
*
* @brief The Adaptor component provides an interface to the device
* driver.
*
* Intended to be used by the FSL SHW API, this can also be called directly
*/
#ifndef ADAPTOR_H
#define ADAPTOR_H
#include <sahara.h>
/*!
* Structure passed during user ioctl() call to submit request.
*/
typedef struct sah_dar {
sah_Desc *desc_addr; /*!< head of descriptor chain */
uint32_t uco_flags; /*!< copy of fsl_shw_uco flags field */
uint32_t uco_user_ref; /*!< copy of fsl_shw_uco user_ref */
uint32_t result; /*!< result of descriptor chain request */
struct sah_dar *next; /*!< for driver use */
} sah_dar_t;
/*!
* Structure passed during user ioctl() call to Register a user
*/
typedef struct sah_register {
uint32_t pool_size; /*!< max number of outstanding requests possible */
uint32_t result; /*!< result of registration request */
} sah_register_t;
/*!
* Structure passed during ioctl() call to request SCC operation
*/
typedef struct scc_data {
uint32_t length; /*!< length of data */
uint8_t *in; /*!< input data */
uint8_t *out; /*!< output data */
unsigned direction; /*!< encrypt or decrypt */
fsl_shw_sym_mode_t crypto_mode; /*!< CBC or EBC */
uint8_t *init_vector; /*!< initialization vector or NULL */
} scc_data_t;
/*!
* Structure passed during user ioctl() calls to manage stored keys and
* stored-key slots.
*/
typedef struct scc_slot_t {
uint64_t ownerid; /*!< Owner's id to check/set permissions */
uint32_t key_length; /*!< Length of key */
uint32_t slot; /*!< Slot to operation on, or returned slot
number. */
uint8_t *key; /*!< User-memory pointer to key value */
fsl_shw_return_t code; /*!< API return code from operation */
} scc_slot_t;
/*
* Structure passed during user ioctl() calls to manage data stored in secure
* partitions.
*/
typedef struct scc_region_t {
uint32_t partition_base; /*!< User virtual address of the
partition base. */
uint32_t offset; /*!< Offset from the start of the
partition where the cleartext data
is located. */
uint32_t length; /*!< Length of the region to be
operated on */
uint8_t *black_data; /*!< User virtual address of any black
(encrypted) data. */
fsl_shw_cypher_mode_t cypher_mode; /*!< Cypher mode to use in an encryt/
decrypt operation. */
uint32_t IV[4]; /*!< Intialization vector to use in an
encrypt/decrypt operation. */
fsl_shw_return_t code; /*!< API return code from operation */
} scc_region_t;
/*
* Structure passed during user ioctl() calls to manage secure partitions.
*/
typedef struct scc_partition_info_t {
uint32_t user_base; /**< Userspace pointer to base of partition */
uint32_t permissions; /**< Permissions to give the partition (only
used in call to _DROP_PERMS) */
fsl_shw_partition_status_t status; /*!< Status of the partition */
} scc_partition_info_t;
fsl_shw_return_t adaptor_Exec_Descriptor_Chain(sah_Head_Desc * dar,
fsl_shw_uco_t * uco);
fsl_shw_return_t sah_get_results(sah_results * arg, fsl_shw_uco_t * uco);
fsl_shw_return_t sah_register(fsl_shw_uco_t * user_ctx);
fsl_shw_return_t sah_deregister(fsl_shw_uco_t * user_ctx);
fsl_shw_return_t get_capabilities(fsl_shw_uco_t * user_ctx,
fsl_shw_pco_t *capabilities);
#endif /* ADAPTOR_H */
/* End of adaptor.h */
|
