diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /security/tf_driver/tf_conn.h | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'security/tf_driver/tf_conn.h')
-rw-r--r-- | security/tf_driver/tf_conn.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/security/tf_driver/tf_conn.h b/security/tf_driver/tf_conn.h new file mode 100644 index 00000000000..8bed16f19d5 --- /dev/null +++ b/security/tf_driver/tf_conn.h | |||
@@ -0,0 +1,106 @@ | |||
1 | /** | ||
2 | * Copyright (c) 2011 Trusted Logic S.A. | ||
3 | * All Rights Reserved. | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * version 2 as published by the Free Software Foundation. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | ||
17 | * MA 02111-1307 USA | ||
18 | */ | ||
19 | |||
20 | #ifndef __TF_CONN_H__ | ||
21 | #define __TF_CONN_H__ | ||
22 | |||
23 | #include "tf_defs.h" | ||
24 | |||
25 | /* | ||
26 | * Returns a pointer to the connection referenced by the | ||
27 | * specified file. | ||
28 | */ | ||
29 | static inline struct tf_connection *tf_conn_from_file( | ||
30 | struct file *file) | ||
31 | { | ||
32 | return file->private_data; | ||
33 | } | ||
34 | |||
35 | int tf_validate_shmem_and_flags(u32 shmem, u32 shmem_size, u32 flags); | ||
36 | |||
37 | int tf_map_shmem( | ||
38 | struct tf_connection *connection, | ||
39 | u32 buffer, | ||
40 | /* flags for read-write access rights on the memory */ | ||
41 | u32 flags, | ||
42 | bool in_user_space, | ||
43 | u32 descriptors[TF_MAX_COARSE_PAGES], | ||
44 | u32 *buffer_start_offset, | ||
45 | u32 buffer_size, | ||
46 | struct tf_shmem_desc **shmem_desc, | ||
47 | u32 *descriptor_count); | ||
48 | |||
49 | void tf_unmap_shmem( | ||
50 | struct tf_connection *connection, | ||
51 | struct tf_shmem_desc *shmem_desc, | ||
52 | u32 full_cleanup); | ||
53 | |||
54 | /*---------------------------------------------------------------------------- | ||
55 | * Connection operations to the Secure World | ||
56 | *----------------------------------------------------------------------------*/ | ||
57 | |||
58 | int tf_create_device_context( | ||
59 | struct tf_connection *connection); | ||
60 | |||
61 | int tf_destroy_device_context( | ||
62 | struct tf_connection *connection); | ||
63 | |||
64 | int tf_open_client_session( | ||
65 | struct tf_connection *connection, | ||
66 | union tf_command *command, | ||
67 | union tf_answer *answer); | ||
68 | |||
69 | int tf_close_client_session( | ||
70 | struct tf_connection *connection, | ||
71 | union tf_command *command, | ||
72 | union tf_answer *answer); | ||
73 | |||
74 | int tf_register_shared_memory( | ||
75 | struct tf_connection *connection, | ||
76 | union tf_command *command, | ||
77 | union tf_answer *answer); | ||
78 | |||
79 | int tf_release_shared_memory( | ||
80 | struct tf_connection *connection, | ||
81 | union tf_command *command, | ||
82 | union tf_answer *answer); | ||
83 | |||
84 | int tf_invoke_client_command( | ||
85 | struct tf_connection *connection, | ||
86 | union tf_command *command, | ||
87 | union tf_answer *answer); | ||
88 | |||
89 | int tf_cancel_client_command( | ||
90 | struct tf_connection *connection, | ||
91 | union tf_command *command, | ||
92 | union tf_answer *answer); | ||
93 | |||
94 | /*---------------------------------------------------------------------------- | ||
95 | * Connection initialization and cleanup operations | ||
96 | *----------------------------------------------------------------------------*/ | ||
97 | |||
98 | int tf_open(struct tf_device *dev, | ||
99 | struct file *file, | ||
100 | struct tf_connection **connection); | ||
101 | |||
102 | void tf_close( | ||
103 | struct tf_connection *connection); | ||
104 | |||
105 | |||
106 | #endif /* !defined(__TF_CONN_H__) */ | ||