diff options
Diffstat (limited to 'security/tf_driver/tf_util.h')
-rw-r--r-- | security/tf_driver/tf_util.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/security/tf_driver/tf_util.h b/security/tf_driver/tf_util.h new file mode 100644 index 00000000000..14bc78952d8 --- /dev/null +++ b/security/tf_driver/tf_util.h | |||
@@ -0,0 +1,122 @@ | |||
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_UTIL_H__ | ||
21 | #define __TF_UTIL_H__ | ||
22 | |||
23 | #include <linux/spinlock.h> | ||
24 | #include <linux/errno.h> | ||
25 | #include <linux/init.h> | ||
26 | #include <linux/module.h> | ||
27 | #include <linux/mm.h> | ||
28 | #include <linux/crypto.h> | ||
29 | #include <linux/mount.h> | ||
30 | #include <linux/pagemap.h> | ||
31 | #include <linux/vmalloc.h> | ||
32 | #include <asm/byteorder.h> | ||
33 | |||
34 | #include "tf_protocol.h" | ||
35 | #include "tf_defs.h" | ||
36 | |||
37 | /*---------------------------------------------------------------------------- | ||
38 | * Debug printing routines | ||
39 | *----------------------------------------------------------------------------*/ | ||
40 | |||
41 | #ifdef CONFIG_TF_DRIVER_DEBUG_SUPPORT | ||
42 | extern unsigned tf_debug_level; | ||
43 | |||
44 | void address_cache_property(unsigned long va); | ||
45 | |||
46 | #define dprintk(args...) ((void)(tf_debug_level >= 6 ? printk(args) : 0)) | ||
47 | #define dpr_info(args...) ((void)(tf_debug_level >= 3 ? pr_info(args) : 0)) | ||
48 | #define dpr_err(args...) ((void)(tf_debug_level >= 1 ? pr_err(args) : 0)) | ||
49 | #define INFO(fmt, args...) \ | ||
50 | (void)dprintk(KERN_INFO "%s: " fmt "\n", __func__, ## args) | ||
51 | #define WARNING(fmt, args...) \ | ||
52 | (tf_debug_level >= 3 ? \ | ||
53 | printk(KERN_WARNING "%s: " fmt "\n", __func__, ## args) : \ | ||
54 | (void)0) | ||
55 | #define ERROR(fmt, args...) \ | ||
56 | (tf_debug_level >= 1 ? \ | ||
57 | printk(KERN_ERR "%s: " fmt "\n", __func__, ## args) : \ | ||
58 | (void)0) | ||
59 | void tf_trace_array(const char *fun, const char *msg, | ||
60 | const void *ptr, size_t len); | ||
61 | #define TF_TRACE_ARRAY(ptr, len) \ | ||
62 | (tf_debug_level >= 7 ? \ | ||
63 | tf_trace_array(__func__, #ptr "/" #len, ptr, len) : \ | ||
64 | 0) | ||
65 | |||
66 | void tf_dump_l1_shared_buffer(struct tf_l1_shared_buffer *buffer); | ||
67 | |||
68 | void tf_dump_command(union tf_command *command); | ||
69 | |||
70 | void tf_dump_answer(union tf_answer *answer); | ||
71 | |||
72 | #else /* defined(CONFIG_TF_DRIVER_DEBUG_SUPPORT) */ | ||
73 | |||
74 | #define dprintk(args...) do { ; } while (0) | ||
75 | #define dpr_info(args...) do { ; } while (0) | ||
76 | #define dpr_err(args...) do { ; } while (0) | ||
77 | #define INFO(fmt, args...) ((void)0) | ||
78 | #define WARNING(fmt, args...) ((void)0) | ||
79 | #define ERROR(fmt, args...) ((void)0) | ||
80 | #define TF_TRACE_ARRAY(ptr, len) ((void)(ptr), (void)(len)) | ||
81 | #define tf_dump_l1_shared_buffer(buffer) ((void) 0) | ||
82 | #define tf_dump_command(command) ((void) 0) | ||
83 | #define tf_dump_answer(answer) ((void) 0) | ||
84 | |||
85 | #endif /* defined(CONFIG_TF_DRIVER_DEBUG_SUPPORT) */ | ||
86 | |||
87 | #define SHA1_DIGEST_SIZE 20 | ||
88 | |||
89 | /*---------------------------------------------------------------------------- | ||
90 | * Process identification | ||
91 | *----------------------------------------------------------------------------*/ | ||
92 | |||
93 | int tf_get_current_process_hash(void *hash); | ||
94 | |||
95 | #ifndef CONFIG_ANDROID | ||
96 | int tf_hash_application_path_and_data(char *buffer, void *data, u32 data_len); | ||
97 | #endif /* !CONFIG_ANDROID */ | ||
98 | |||
99 | /*---------------------------------------------------------------------------- | ||
100 | * Statistic computation | ||
101 | *----------------------------------------------------------------------------*/ | ||
102 | |||
103 | void *internal_kmalloc(size_t size, int priority); | ||
104 | void internal_kfree(void *ptr); | ||
105 | void internal_vunmap(void *ptr); | ||
106 | void *internal_vmalloc(size_t size); | ||
107 | void internal_vfree(void *ptr); | ||
108 | unsigned long internal_get_zeroed_page(int priority); | ||
109 | void internal_free_page(unsigned long addr); | ||
110 | int internal_get_user_pages( | ||
111 | struct task_struct *tsk, | ||
112 | struct mm_struct *mm, | ||
113 | unsigned long start, | ||
114 | int len, | ||
115 | int write, | ||
116 | int force, | ||
117 | struct page **pages, | ||
118 | struct vm_area_struct **vmas); | ||
119 | void internal_get_page(struct page *page); | ||
120 | void internal_page_cache_release(struct page *page); | ||
121 | #endif /* __TF_UTIL_H__ */ | ||
122 | |||