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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 000000000000..14bc78952d86 --- /dev/null +++ b/security/tf_driver/tf_util.h @@ -0,0 +1,122 @@ +/** + * Copyright (c) 2011 Trusted Logic S.A. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __TF_UTIL_H__ +#define __TF_UTIL_H__ + +#include <linux/spinlock.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mm.h> +#include <linux/crypto.h> +#include <linux/mount.h> +#include <linux/pagemap.h> +#include <linux/vmalloc.h> +#include <asm/byteorder.h> + +#include "tf_protocol.h" +#include "tf_defs.h" + +/*---------------------------------------------------------------------------- + * Debug printing routines + *----------------------------------------------------------------------------*/ + +#ifdef CONFIG_TF_DRIVER_DEBUG_SUPPORT +extern unsigned tf_debug_level; + +void address_cache_property(unsigned long va); + +#define dprintk(args...) ((void)(tf_debug_level >= 6 ? printk(args) : 0)) +#define dpr_info(args...) ((void)(tf_debug_level >= 3 ? pr_info(args) : 0)) +#define dpr_err(args...) ((void)(tf_debug_level >= 1 ? pr_err(args) : 0)) +#define INFO(fmt, args...) \ + (void)dprintk(KERN_INFO "%s: " fmt "\n", __func__, ## args) +#define WARNING(fmt, args...) \ + (tf_debug_level >= 3 ? \ + printk(KERN_WARNING "%s: " fmt "\n", __func__, ## args) : \ + (void)0) +#define ERROR(fmt, args...) \ + (tf_debug_level >= 1 ? \ + printk(KERN_ERR "%s: " fmt "\n", __func__, ## args) : \ + (void)0) +void tf_trace_array(const char *fun, const char *msg, + const void *ptr, size_t len); +#define TF_TRACE_ARRAY(ptr, len) \ + (tf_debug_level >= 7 ? \ + tf_trace_array(__func__, #ptr "/" #len, ptr, len) : \ + 0) + +void tf_dump_l1_shared_buffer(struct tf_l1_shared_buffer *buffer); + +void tf_dump_command(union tf_command *command); + +void tf_dump_answer(union tf_answer *answer); + +#else /* defined(CONFIG_TF_DRIVER_DEBUG_SUPPORT) */ + +#define dprintk(args...) do { ; } while (0) +#define dpr_info(args...) do { ; } while (0) +#define dpr_err(args...) do { ; } while (0) +#define INFO(fmt, args...) ((void)0) +#define WARNING(fmt, args...) ((void)0) +#define ERROR(fmt, args...) ((void)0) +#define TF_TRACE_ARRAY(ptr, len) ((void)(ptr), (void)(len)) +#define tf_dump_l1_shared_buffer(buffer) ((void) 0) +#define tf_dump_command(command) ((void) 0) +#define tf_dump_answer(answer) ((void) 0) + +#endif /* defined(CONFIG_TF_DRIVER_DEBUG_SUPPORT) */ + +#define SHA1_DIGEST_SIZE 20 + +/*---------------------------------------------------------------------------- + * Process identification + *----------------------------------------------------------------------------*/ + +int tf_get_current_process_hash(void *hash); + +#ifndef CONFIG_ANDROID +int tf_hash_application_path_and_data(char *buffer, void *data, u32 data_len); +#endif /* !CONFIG_ANDROID */ + +/*---------------------------------------------------------------------------- + * Statistic computation + *----------------------------------------------------------------------------*/ + +void *internal_kmalloc(size_t size, int priority); +void internal_kfree(void *ptr); +void internal_vunmap(void *ptr); +void *internal_vmalloc(size_t size); +void internal_vfree(void *ptr); +unsigned long internal_get_zeroed_page(int priority); +void internal_free_page(unsigned long addr); +int internal_get_user_pages( + struct task_struct *tsk, + struct mm_struct *mm, + unsigned long start, + int len, + int write, + int force, + struct page **pages, + struct vm_area_struct **vmas); +void internal_get_page(struct page *page); +void internal_page_cache_release(struct page *page); +#endif /* __TF_UTIL_H__ */ + |