1 /*
2  * Copyright (c) 2016, Linaro Limited
3  * Copyright (c) 2014, STMicroelectronics International N.V.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright notice,
10  * this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 #ifndef TEE_SUPPLICANT_H
29 #define TEE_SUPPLICANT_H
30 
31 #include <stdbool.h>
32 #include <pthread.h>
33 
34 /* Helpers to access memref parts of a struct tee_ioctl_param */
35 #define MEMREF_SHM_ID(p)	((p)->c)
36 #define MEMREF_SHM_OFFS(p)	((p)->a)
37 #define MEMREF_SIZE(p)		((p)->b)
38 
39 struct tee_ioctl_param;
40 
41 /* Global tee-supplicant parameters */
42 struct tee_supplicant_params {
43     const char *ta_dir;
44     const char *plugin_load_path;
45     const char *fs_parent_path;
46     const char *rpmb_cid;
47 };
48 
49 extern struct tee_supplicant_params supplicant_params;
50 
51 bool tee_supp_param_is_memref(struct tee_ioctl_param *param);
52 bool tee_supp_param_is_value(struct tee_ioctl_param *param);
53 void *tee_supp_param_to_va(struct tee_ioctl_param *param);
54 
55 void tee_supp_mutex_lock(pthread_mutex_t *mu);
56 void tee_supp_mutex_unlock(pthread_mutex_t *mu);
57 
58 #endif /*TEE_SUPPLICANT_H*/
59