diff options
| author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
|---|---|---|
| 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__) */ | ||
