1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _SMC_H_ 33 #define _SMC_H_ 34 35 #include "teek_client_constants.h" 36 #include "teek_ns_client.h" 37 38 enum TcNsCmdType { 39 TC_NS_CMD_TYPE_INVALID = 0, 40 TC_NS_CMD_TYPE_NS_TO_SECURE, 41 TC_NS_CMD_TYPE_SECURE_TO_NS, 42 TC_NS_CMD_TYPE_SECURE_TO_SECURE, 43 TC_NS_CMD_TYPE_SECURE_CONFIG = 0xf, 44 TC_NS_CMD_TYPE_MAX 45 }; 46 47 #ifdef CONFIG_TEE_SMP 48 struct PendingEntry { 49 atomic_t users; 50 pid_t pid; 51 wait_queue_head_t wq; 52 atomic_t run; 53 struct list_head list; 54 }; 55 #endif 56 57 #define RESLEEP_TIMEOUT 15 58 59 struct SessionCryptoInfo *GetSessionRootKeyInstance(void); 60 int SigkillPending(LosTaskCB *tsk); 61 int SmcInitData(void); 62 void SmcFreeData(void); 63 int TcNsSmc(TcNsSmcCmd *cmd); 64 int TcNsSmcWithNoNr(TcNsSmcCmd *cmd); 65 void SetCmdSendState(void); 66 int InitSmcSvcThread(void); 67 int SmcWakeupCa(pid_t ca); 68 int SmcWakeupBroadcast(void); 69 int SmcShadowExit(pid_t ca); 70 int SmcQueueShadowWorker(uint64_t target); 71 void FiqShadowWorkFunc(uint64_t target); 72 struct PendingEntry *FindPendingEntry(pid_t pid); 73 void ForeachPendingEntry(void (*func)(struct PendingEntry *)); 74 void PutPendingEntry(struct PendingEntry *pe); 75 void ShowCmdBitmap(void); 76 void ShowCmdBitmapWithLock(void); 77 void WakeupTcSiq(void); 78 79 #endif 80