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 | |||
