1*b0104773SPascal Brand /* 2*b0104773SPascal Brand * Copyright (c) 2014, STMicroelectronics International N.V. 3*b0104773SPascal Brand * All rights reserved. 4*b0104773SPascal Brand * 5*b0104773SPascal Brand * Redistribution and use in source and binary forms, with or without 6*b0104773SPascal Brand * modification, are permitted provided that the following conditions are met: 7*b0104773SPascal Brand * 8*b0104773SPascal Brand * 1. Redistributions of source code must retain the above copyright notice, 9*b0104773SPascal Brand * this list of conditions and the following disclaimer. 10*b0104773SPascal Brand * 11*b0104773SPascal Brand * 2. Redistributions in binary form must reproduce the above copyright notice, 12*b0104773SPascal Brand * this list of conditions and the following disclaimer in the documentation 13*b0104773SPascal Brand * and/or other materials provided with the distribution. 14*b0104773SPascal Brand * 15*b0104773SPascal Brand * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16*b0104773SPascal Brand * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17*b0104773SPascal Brand * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18*b0104773SPascal Brand * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19*b0104773SPascal Brand * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20*b0104773SPascal Brand * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21*b0104773SPascal Brand * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22*b0104773SPascal Brand * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23*b0104773SPascal Brand * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24*b0104773SPascal Brand * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25*b0104773SPascal Brand * POSSIBILITY OF SUCH DAMAGE. 26*b0104773SPascal Brand */ 27*b0104773SPascal Brand 28*b0104773SPascal Brand #include <tee/tee_obj.h> 29*b0104773SPascal Brand 30*b0104773SPascal Brand #include <stdlib.h> 31*b0104773SPascal Brand #include <tee_api_defines.h> 32*b0104773SPascal Brand #include <mm/tee_mmu.h> 33*b0104773SPascal Brand #include <tee/tee_fs.h> 34*b0104773SPascal Brand #include <tee/tee_pobj.h> 35*b0104773SPascal Brand 36*b0104773SPascal Brand void tee_obj_add(struct tee_ta_ctx *ctx, struct tee_obj *o) 37*b0104773SPascal Brand { 38*b0104773SPascal Brand TAILQ_INSERT_TAIL(&ctx->objects, o, link); 39*b0104773SPascal Brand } 40*b0104773SPascal Brand 41*b0104773SPascal Brand TEE_Result tee_obj_get(struct tee_ta_ctx *ctx, uint32_t obj_id, 42*b0104773SPascal Brand struct tee_obj **obj) 43*b0104773SPascal Brand { 44*b0104773SPascal Brand struct tee_obj *o; 45*b0104773SPascal Brand 46*b0104773SPascal Brand TAILQ_FOREACH(o, &ctx->objects, link) { 47*b0104773SPascal Brand if (obj_id == (uint32_t) o) { 48*b0104773SPascal Brand *obj = o; 49*b0104773SPascal Brand return TEE_SUCCESS; 50*b0104773SPascal Brand } 51*b0104773SPascal Brand } 52*b0104773SPascal Brand return TEE_ERROR_BAD_PARAMETERS; 53*b0104773SPascal Brand } 54*b0104773SPascal Brand 55*b0104773SPascal Brand void tee_obj_close(struct tee_ta_ctx *ctx, struct tee_obj *o) 56*b0104773SPascal Brand { 57*b0104773SPascal Brand TAILQ_REMOVE(&ctx->objects, o, link); 58*b0104773SPascal Brand 59*b0104773SPascal Brand if ((o->info.handleFlags & TEE_HANDLE_FLAG_PERSISTENT) && o->fd) { 60*b0104773SPascal Brand tee_fs_close(o->fd); 61*b0104773SPascal Brand tee_pobj_release(o->pobj); 62*b0104773SPascal Brand } 63*b0104773SPascal Brand 64*b0104773SPascal Brand free(o->data); 65*b0104773SPascal Brand free(o); 66*b0104773SPascal Brand } 67*b0104773SPascal Brand 68*b0104773SPascal Brand void tee_obj_close_all(struct tee_ta_ctx *ctx) 69*b0104773SPascal Brand { 70*b0104773SPascal Brand struct tee_obj_head *objects = &ctx->objects; 71*b0104773SPascal Brand 72*b0104773SPascal Brand while (!TAILQ_EMPTY(objects)) 73*b0104773SPascal Brand tee_obj_close(ctx, TAILQ_FIRST(objects)); 74*b0104773SPascal Brand } 75