1a9643ea8Slogwang /* 2a9643ea8Slogwang * Copyright (c) 2010 Kip Macy All rights reserved. 3a9643ea8Slogwang * Copyright (c) 2013 Patrick Kelsey. All rights reserved. 4*2317ada5Sfengbojiang * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company. 5a9643ea8Slogwang * All rights reserved. 6a9643ea8Slogwang * 7a9643ea8Slogwang * Redistribution and use in source and binary forms, with or without 8a9643ea8Slogwang * modification, are permitted provided that the following conditions are met: 9a9643ea8Slogwang * 10a9643ea8Slogwang * 1. Redistributions of source code must retain the above copyright notice, this 11a9643ea8Slogwang * list of conditions and the following disclaimer. 12a9643ea8Slogwang * 2. Redistributions in binary form must reproduce the above copyright notice, 13a9643ea8Slogwang * this list of conditions and the following disclaimer in the documentation 14a9643ea8Slogwang * and/or other materials provided with the distribution. 15a9643ea8Slogwang * 16a9643ea8Slogwang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17a9643ea8Slogwang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18a9643ea8Slogwang * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19a9643ea8Slogwang * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 20a9643ea8Slogwang * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21a9643ea8Slogwang * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22a9643ea8Slogwang * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23a9643ea8Slogwang * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24a9643ea8Slogwang * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25a9643ea8Slogwang * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26a9643ea8Slogwang * 27a9643ea8Slogwang */ 28a9643ea8Slogwang 29a9643ea8Slogwang #ifndef _FSTACK_SYS__MUTEX_H_ 30a9643ea8Slogwang #define _FSTACK_SYS__MUTEX_H_ 31a9643ea8Slogwang 32a9643ea8Slogwang #include <machine/param.h> 33a9643ea8Slogwang 34a9643ea8Slogwang #include "ff_host_interface.h" 35a9643ea8Slogwang 36a9643ea8Slogwang /* 37a9643ea8Slogwang * Sleep/spin mutex 38a9643ea8Slogwang */ 39a9643ea8Slogwang struct mtx { 40a9643ea8Slogwang struct lock_object lock_object; 41a9643ea8Slogwang ff_mutex_t mtx_lock; 42a9643ea8Slogwang }; 43a9643ea8Slogwang 44a9643ea8Slogwang /* 45a9643ea8Slogwang * Members of struct mtx_padalign must mirror members of struct mtx. 46a9643ea8Slogwang * mtx_padalign mutexes can use the mtx(9) API transparently without 47a9643ea8Slogwang * modification. 48a9643ea8Slogwang */ 49a9643ea8Slogwang struct mtx_padalign { 50a9643ea8Slogwang struct lock_object lock_object; 51a9643ea8Slogwang ff_mutex_t mtx_lock; 52a9643ea8Slogwang } __aligned(CACHE_LINE_SIZE); 53a9643ea8Slogwang 54a9643ea8Slogwang #endif /* _FSTACK_SYS__MUTEX_H_ */ 55