diff options
Diffstat (limited to 'lib/libspl/include/os/linux/sys/sysmacros.h')
-rw-r--r-- | lib/libspl/include/os/linux/sys/sysmacros.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/lib/libspl/include/os/linux/sys/sysmacros.h b/lib/libspl/include/os/linux/sys/sysmacros.h deleted file mode 100644 index 66e0da6b5afe..000000000000 --- a/lib/libspl/include/os/linux/sys/sysmacros.h +++ /dev/null @@ -1,103 +0,0 @@ -// SPDX-License-Identifier: CDDL-1.0 -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or https://opensource.org/licenses/CDDL-1.0. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _LIBSPL_SYS_SYSMACROS_H -#define _LIBSPL_SYS_SYSMACROS_H - -#include_next <sys/sysmacros.h> - -/* common macros */ -#ifndef MIN -#define MIN(a, b) ((a) < (b) ? (a) : (b)) -#endif -#ifndef MAX -#define MAX(a, b) ((a) < (b) ? (b) : (a)) -#endif -#ifndef ABS -#define ABS(a) ((a) < 0 ? -(a) : (a)) -#endif -#ifndef ARRAY_SIZE -#define ARRAY_SIZE(a) (sizeof (a) / sizeof (a[0])) -#endif -#ifndef DIV_ROUND_UP -#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) -#endif - -#define makedevice(maj, min) makedev(maj, min) -#define _sysconf(a) sysconf(a) - -/* - * Compatibility macros/typedefs needed for Solaris -> Linux port - */ -// Deprecated. Use P2ALIGN_TYPED instead. -// #define P2ALIGN(x, align) ((x) & -(align)) -#define P2CROSS(x, y, align) (((x) ^ (y)) > (align) - 1) -#define P2ROUNDUP(x, align) ((((x) - 1) | ((align) - 1)) + 1) -#define P2BOUNDARY(off, len, align) \ - (((off) ^ ((off) + (len) - 1)) > (align) - 1) -#define P2PHASE(x, align) ((x) & ((align) - 1)) -#define P2NPHASE(x, align) (-(x) & ((align) - 1)) -#define P2NPHASE_TYPED(x, align, type) \ - (-(type)(x) & ((type)(align) - 1)) -#define ISP2(x) (((x) & ((x) - 1)) == 0) -#define IS_P2ALIGNED(v, a) ((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0) - -/* - * Typed version of the P2* macros. These macros should be used to ensure - * that the result is correctly calculated based on the data type of (x), - * which is passed in as the last argument, regardless of the data - * type of the alignment. For example, if (x) is of type uint64_t, - * and we want to round it up to a page boundary using "PAGESIZE" as - * the alignment, we can do either - * P2ROUNDUP(x, (uint64_t)PAGESIZE) - * or - * P2ROUNDUP_TYPED(x, PAGESIZE, uint64_t) - */ -#define P2ALIGN_TYPED(x, align, type) \ - ((type)(x) & -(type)(align)) -#define P2PHASE_TYPED(x, align, type) \ - ((type)(x) & ((type)(align) - 1)) -#define P2NPHASE_TYPED(x, align, type) \ - (-(type)(x) & ((type)(align) - 1)) -#define P2ROUNDUP_TYPED(x, align, type) \ - ((((type)(x) - 1) | ((type)(align) - 1)) + 1) -#define P2END_TYPED(x, align, type) \ - (-(~(type)(x) & -(type)(align))) -#define P2PHASEUP_TYPED(x, align, phase, type) \ - ((type)(phase) - (((type)(phase) - (type)(x)) & -(type)(align))) -#define P2CROSS_TYPED(x, y, align, type) \ - (((type)(x) ^ (type)(y)) > (type)(align) - 1) -#define P2SAMEHIGHBIT_TYPED(x, y, type) \ - (((type)(x) ^ (type)(y)) < ((type)(x) & (type)(y))) - - -/* avoid any possibility of clashing with <stddef.h> version */ -#if defined(_KERNEL) && !defined(_KMEMUSER) && !defined(offsetof) -#define offsetof(s, m) ((size_t)(&(((s *)0)->m))) -#endif - -#endif /* _LIBSPL_SYS_SYSMACROS_H */ |