summaryrefslogtreecommitdiff
path: root/core/include/tee/tee_svc_storage.h
blob: d3f08581b34fae18f223a14751297bafad91c6aa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
/*
 * Copyright (c) 2014, STMicroelectronics International N.V.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef TEE_SVC_STORAGE_H
#define TEE_SVC_STORAGE_H

#include <tee_api_types.h>
#include <kernel/tee_ta_manager.h>
#include <tee/tee_fs.h>

/*
 * Persistant Object Functions
 */
TEE_Result syscall_storage_obj_open(unsigned long storage_id, void *object_id,
			size_t object_id_len, unsigned long flags,
			uint32_t *obj);

TEE_Result syscall_storage_obj_create(unsigned long storage_id, void *object_id,
			size_t object_id_len, unsigned long flags,
			unsigned long attr, void *data, size_t len,
			uint32_t *obj);

TEE_Result syscall_storage_obj_del(unsigned long obj);

TEE_Result syscall_storage_obj_rename(unsigned long obj, void *object_id,
			size_t object_id_len);

/*
 * Persistent Object Enumeration Functions
 */
TEE_Result syscall_storage_alloc_enum(uint32_t *obj_enum);

TEE_Result syscall_storage_free_enum(unsigned long obj_enum);

TEE_Result syscall_storage_reset_enum(unsigned long obj_enum);

TEE_Result syscall_storage_start_enum(unsigned long obj_enum,
			unsigned long storage_id);

TEE_Result syscall_storage_next_enum(unsigned long obj_enum,
			TEE_ObjectInfo *info, void *obj_id, uint64_t *len);

/*
 * Data Stream Access Functions
 */
TEE_Result syscall_storage_obj_read(unsigned long obj, void *data, size_t len,
			uint64_t *count);

TEE_Result syscall_storage_obj_write(unsigned long obj, void *data,
			size_t len);

TEE_Result syscall_storage_obj_trunc(unsigned long obj, size_t len);

TEE_Result syscall_storage_obj_seek(unsigned long obj, int32_t offset,
				    unsigned long whence);

void tee_svc_storage_close_all_enum(struct user_ta_ctx *utc);

void tee_svc_storage_init(void);

struct tee_pobj;
TEE_Result tee_svc_storage_create_filename(void *buf, size_t blen,
					   struct tee_pobj *po, bool transient);

TEE_Result tee_svc_storage_create_dirname(void *buf, size_t blen,
					  const TEE_UUID *uuid);

#endif /* TEE_SVC_STORAGE_H */