1 /* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 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. 14 * 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 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TEE_OBJ_H 29 #define TEE_OBJ_H 30 31 #include <tee_api_types.h> 32 #include <kernel/tee_ta_manager_unpg.h> 33 #include <sys/queue.h> 34 35 #define TEE_USAGE_DEFAULT 0xffffffff 36 37 struct tee_obj { 38 TAILQ_ENTRY(tee_obj) link; 39 TEE_ObjectInfo info; 40 bool busy; /* true if used by an operation */ 41 uint32_t have_attrs; /* bitfield identifying set properties */ 42 void *data; 43 size_t data_size; 44 void (*cleanup)(void *data, bool del); /* clear or delete data */ 45 struct tee_pobj *pobj; /* ptr to persistant object */ 46 int fd; 47 uint32_t ds_size; /* data stream size */ 48 uint32_t flags; /* permission flags for persistent objects */ 49 }; 50 51 void tee_obj_add(struct tee_ta_ctx *ctx, struct tee_obj *o); 52 53 TEE_Result tee_obj_get(struct tee_ta_ctx *ctx, uint32_t obj_id, 54 struct tee_obj **obj); 55 56 void tee_obj_close(struct tee_ta_ctx *ctx, struct tee_obj *o); 57 58 void tee_obj_close_all(struct tee_ta_ctx *ctx); 59 60 #endif 61