1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2014, STMicroelectronics International N.V. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef TEE_OBJ_H 30 #define TEE_OBJ_H 31 32 #include <tee_api_types.h> 33 #include <kernel/tee_ta_manager.h> 34 #include <sys/queue.h> 35 36 #define TEE_USAGE_DEFAULT 0xffffffff 37 38 struct tee_obj { 39 TAILQ_ENTRY(tee_obj) link; 40 TEE_ObjectInfo info; 41 bool busy; /* true if used by an operation */ 42 uint32_t have_attrs; /* bitfield identifying set properties */ 43 void *attr; 44 size_t ds_pos; 45 struct tee_pobj *pobj; /* ptr to persistant object */ 46 struct tee_file_handle *fh; 47 uint32_t flags; /* permission flags for persistent objects */ 48 }; 49 50 void tee_obj_add(struct user_ta_ctx *utc, struct tee_obj *o); 51 52 TEE_Result tee_obj_get(struct user_ta_ctx *utc, uint32_t obj_id, 53 struct tee_obj **obj); 54 55 void tee_obj_close(struct user_ta_ctx *utc, struct tee_obj *o); 56 57 void tee_obj_close_all(struct user_ta_ctx *utc); 58 59 TEE_Result tee_obj_verify(struct tee_ta_session *sess, struct tee_obj *o); 60 61 struct tee_obj *tee_obj_alloc(void); 62 void tee_obj_free(struct tee_obj *o); 63 64 #endif 65