1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013-2015 Mellanox Technologies, Ltd. 6 * Copyright (c) 2014 François Tigeot 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice unmodified, this list of conditions, and the following 14 * disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD: releng/12.2/sys/compat/linuxkpi/common/include/linux/delay.h 330353 2018-03-03 19:26:40Z hselasky $ 31 */ 32 #ifndef _LINUX_DELAY_H_ 33 #define _LINUX_DELAY_H_ 34 35 #include "los_typedef.h" 36 #include "los_tick.h" 37 #include "los_base.h" 38 39 #ifdef __cplusplus 40 #if __cplusplus 41 extern "C" { 42 #endif /* __cplusplus */ 43 #endif /* __cplusplus */ 44 45 static inline void 46 linux_msleep(unsigned int msecs) 47 { 48 LOS_Msleep(msecs); 49 } 50 51 #define msleep(m) linux_msleep(m) 52 53 #ifndef udelay 54 #define udelay(n) LOS_Udelay(n) 55 #endif 56 #ifndef mdelay 57 #define mdelay(n) LOS_Mdelay(n) 58 #endif 59 60 static inline void 61 ndelay(unsigned long x) 62 { 63 unsigned long msecs = (x + 1000 - 1) / 1000; /* 1000ns = 1us */ 64 LOS_Udelay(msecs); 65 } 66 67 static inline void 68 usleep_range(unsigned long min, unsigned long max) 69 { 70 (void)max; 71 LOS_Udelay(min); 72 } 73 74 #ifdef __cplusplus 75 #if __cplusplus 76 } 77 #endif /* __cplusplus */ 78 #endif /* __cplusplus */ 79 80 #endif /* _LINUX_DELAY_H_ */ 81