| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright (c) 2016, Linaro Limited |
| */ |
| |
| /* |
| * Interface with tee-supplicant for file operations |
| */ |
| |
| #ifndef TEE_FS_RPC_H |
| #define TEE_FS_RPC_H |
| |
| #include <stdbool.h> |
| #include <stddef.h> |
| #include <tee_api_types.h> |
| #include <tee/tee_fs.h> |
| #include <kernel/thread.h> |
| |
| struct tee_fs_rpc_operation { |
| uint32_t id; |
| struct thread_param params[THREAD_RPC_MAX_NUM_PARAMS]; |
| size_t num_params; |
| }; |
| |
| struct tee_fs_dirfile_fileh; |
| |
| TEE_Result tee_fs_rpc_open(uint32_t id, struct tee_pobj *po, int *fd); |
| TEE_Result tee_fs_rpc_open_dfh(uint32_t id, |
| const struct tee_fs_dirfile_fileh *dfh, int *fd); |
| TEE_Result tee_fs_rpc_create(uint32_t id, struct tee_pobj *po, int *fd); |
| TEE_Result tee_fs_rpc_create_dfh(uint32_t id, |
| const struct tee_fs_dirfile_fileh *dfh, |
| int *fd); |
| TEE_Result tee_fs_rpc_close(uint32_t id, int fd); |
| |
| TEE_Result tee_fs_rpc_read_init(struct tee_fs_rpc_operation *op, |
| uint32_t id, int fd, tee_fs_off_t offset, |
| size_t data_len, void **out_data); |
| TEE_Result tee_fs_rpc_read_final(struct tee_fs_rpc_operation *op, |
| size_t *data_len); |
| |
| TEE_Result tee_fs_rpc_write_init(struct tee_fs_rpc_operation *op, |
| uint32_t id, int fd, tee_fs_off_t offset, |
| size_t data_len, void **data); |
| TEE_Result tee_fs_rpc_write_final(struct tee_fs_rpc_operation *op); |
| |
| |
| TEE_Result tee_fs_rpc_truncate(uint32_t id, int fd, size_t len); |
| TEE_Result tee_fs_rpc_remove(uint32_t id, struct tee_pobj *po); |
| TEE_Result tee_fs_rpc_remove_dfh(uint32_t id, |
| const struct tee_fs_dirfile_fileh *dfh); |
| TEE_Result tee_fs_rpc_rename(uint32_t id, struct tee_pobj *old, |
| struct tee_pobj *new, bool overwrite); |
| |
| TEE_Result tee_fs_rpc_opendir(uint32_t id, const TEE_UUID *uuid, |
| struct tee_fs_dir **d); |
| TEE_Result tee_fs_rpc_closedir(uint32_t id, struct tee_fs_dir *d); |
| TEE_Result tee_fs_rpc_readdir(uint32_t id, struct tee_fs_dir *d, |
| struct tee_fs_dirent **ent); |
| |
| struct thread_specific_data; |
| #if defined(CFG_WITH_USER_TA) && (defined(CFG_REE_FS) || defined(CFG_RPMB_FS)) |
| /* Frees the cache of allocated FS RPC memory */ |
| void tee_fs_rpc_cache_clear(struct thread_specific_data *tsd); |
| #else |
| static inline void tee_fs_rpc_cache_clear( |
| struct thread_specific_data *tsd __unused) |
| { |
| } |
| #endif |
| |
| /* |
| * Returns a pointer to the cached FS RPC memory. Each thread has a unique |
| * cache. The pointer is guaranteed to point to a large enough area or to |
| * be NULL. |
| */ |
| void *tee_fs_rpc_cache_alloc(size_t size, struct mobj **mobj); |
| |
| #endif /* TEE_FS_RPC_H */ |