2 * Copyright (c) 2016, Linaro Limited
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
29 * Interface with tee-supplicant for file operations
37 #include <tee_api_types.h>
38 #include <tee/tee_fs.h>
39 #include <kernel/thread.h>
41 struct tee_fs_rpc_operation {
43 struct optee_msg_param params[THREAD_RPC_MAX_NUM_PARAMS];
47 TEE_Result tee_fs_rpc_open(uint32_t id, const char *fname, int *fd);
48 TEE_Result tee_fs_rpc_create(uint32_t id, const char *fname, int *fd);
49 TEE_Result tee_fs_rpc_close(uint32_t id, int fd);
51 TEE_Result tee_fs_rpc_read_init(struct tee_fs_rpc_operation *op,
52 uint32_t id, int fd, tee_fs_off_t offset,
53 size_t data_len, void **out_data);
54 TEE_Result tee_fs_rpc_read_final(struct tee_fs_rpc_operation *op,
57 TEE_Result tee_fs_rpc_write_init(struct tee_fs_rpc_operation *op,
58 uint32_t id, int fd, tee_fs_off_t offset,
59 size_t data_len, void **data);
60 TEE_Result tee_fs_rpc_write_final(struct tee_fs_rpc_operation *op);
63 TEE_Result tee_fs_rpc_truncate(uint32_t id, int fd, size_t len);
64 TEE_Result tee_fs_rpc_remove(uint32_t id, const char *fname);
65 TEE_Result tee_fs_rpc_rename(uint32_t id, const char *old_fname,
66 const char *new_fname, bool overwrite);
68 TEE_Result tee_fs_rpc_opendir(uint32_t id, const char *name,
69 struct tee_fs_dir **d);
70 TEE_Result tee_fs_rpc_closedir(uint32_t id, struct tee_fs_dir *d);
71 TEE_Result tee_fs_rpc_readdir(uint32_t id, struct tee_fs_dir *d,
72 struct tee_fs_dirent **ent);
74 TEE_Result tee_fs_rpc_begin_transaction(uint32_t id);
75 TEE_Result tee_fs_rpc_end_transaction(uint32_t id, bool rollback);
77 struct thread_specific_data;
78 #if defined(CFG_WITH_USER_TA) && \
79 (defined(CFG_REE_FS) || defined(CFG_SQL_FS) || defined(CFG_RPMB_FS))
80 /* Frees the cache of allocated FS RPC memory */
81 void tee_fs_rpc_cache_clear(struct thread_specific_data *tsd);
83 static inline void tee_fs_rpc_cache_clear(
84 struct thread_specific_data *tsd __unused)
90 * Returns a pointer to the cached FS RPC memory. Each thread has a unique
91 * cache. The pointer is guaranteed to point to a large enough area or to
94 void *tee_fs_rpc_cache_alloc(size_t size, paddr_t *pa, uint64_t *cookie);
96 #endif /* TEE_FS_RPC_H */