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 _MAILBOX_MEMPOOOL_H 33 #define _MAILBOX_MEMPOOOL_H 34 35 #include <linux/kernel.h> 36 #include <linux/types.h> 37 #include "teek_ns_client.h" 38 #include "tzdriver_compat.h" 39 40 #define MAILBOX_POOL_SIZE SZ_1M 41 42 /* alloc options */ 43 #define MB_FLAG_ZERO 0x1 /* set 0 after alloc page */ 44 #define GLOBAL_UUID_LEN 17 /* first char represent global cmd */ 45 46 struct MbCmdPack { 47 TcNsOperation operation; 48 #ifdef SECURITY_AUTH_ENHANCE 49 unsigned char loginData[MAX_SHA_256_SZ * NUM_OF_SO + HASH_PLAINTEXT_ALIGNED_SIZE + IV_BYTESIZE]; 50 unsigned char token[TOKEN_BUFFER_LEN]; 51 unsigned char secureParams[ALIGN_TZ(sizeof(struct SessionSecureParams), 52 CIPHER_BLOCK_BYTESIZE) + IV_BYTESIZE]; 53 #else 54 unsigned char loginData[MAX_SHA_256_SZ * NUM_OF_SO + MAX_SHA_256_SZ]; 55 #endif 56 }; 57 58 void *MailboxAlloc(size_t size, unsigned int flag); 59 void MailboxFree(const void *ptr); 60 int MailboxMempoolInit(void); 61 void MailboxMempoolDestroy(void); 62 struct MbCmdPack *MailboxAllocCmdPack(void); 63 void *MailboxCopyAlloc(const void *src, size_t size); 64 65 #endif 66