1 /*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013-2021 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 #ifndef _LINUXKPI_LINUX_DELAY_H_ 31 #define _LINUXKPI_LINUX_DELAY_H_ 32 33 #include "los_typedef.h" 34 #include "los_tick.h" 35 #include "los_base.h" 36 37 #ifdef __cplusplus 38 #if __cplusplus 39 extern "C" { 40 #endif /* __cplusplus */ 41 #endif /* __cplusplus */ 42 43 static inline void 44 linux_msleep(unsigned int msecs) 45 { 46 LOS_Msleep(msecs); 47 } 48 49 #define msleep(m) linux_msleep(m) 50 51 #ifndef udelay 52 #define udelay(n) LOS_Udelay(n) 53 #endif 54 #ifndef mdelay 55 #define mdelay(n) LOS_Mdelay(n) 56 #endif 57 58 static inline void 59 ndelay(unsigned long x) 60 { 61 unsigned long msecs = (x + 1000 - 1) / 1000; /* 1000ns = 1us */ 62 LOS_Udelay(msecs); 63 } 64 65 static inline void 66 usleep_range(unsigned long min, unsigned long max) 67 { 68 (void)max; 69 LOS_Udelay(min); 70 } 71 72 #ifdef __cplusplus 73 #if __cplusplus 74 } 75 #endif /* __cplusplus */ 76 #endif /* __cplusplus */ 77 78 #endif /* _LINUXKPI_LINUX_DELAY_H_ */ 79