1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 28 * Copyright (c) 2013 by Delphix. All rights reserved. 29 * Copyright 2019 Joyent, Inc. 30 */ 31 32 #ifndef _SYS_ZFS_CONTEXT_H 33 #define _SYS_ZFS_CONTEXT_H 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include <sys/note.h> 40 #include <sys/types.h> 41 #include <sys/t_lock.h> 42 #include <sys/atomic.h> 43 #include <sys/sysmacros.h> 44 #include <sys/bitmap.h> 45 #include <sys/cmn_err.h> 46 #include <sys/kmem.h> 47 #include <sys/taskq.h> 48 #include <sys/taskq_impl.h> 49 #include <sys/buf.h> 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/cpuvar.h> 53 #include <sys/kobj.h> 54 #include <sys/conf.h> 55 #include <sys/disp.h> 56 #include <sys/debug.h> 57 #include <sys/random.h> 58 #include <sys/byteorder.h> 59 #include <sys/systm.h> 60 #include <sys/list.h> 61 #include <sys/uio.h> 62 #include <sys/dirent.h> 63 #include <sys/time.h> 64 #include <vm/seg_kmem.h> 65 #include <sys/zone.h> 66 #include <sys/uio.h> 67 #include <sys/zfs_debug.h> 68 #include <sys/sysevent.h> 69 #include <sys/sysevent/eventdefs.h> 70 #include <sys/sysevent/dev.h> 71 #include <sys/fm/util.h> 72 #include <sys/sunddi.h> 73 #include <sys/cyclic.h> 74 #include <sys/disp.h> 75 #include <sys/callo.h> 76 77 #if (GCC_VERSION >= 302) || (__INTEL_COMPILER >= 800) || defined(__clang__) 78 #define _zfs_expect(expr, value) (__builtin_expect((expr), (value))) 79 #else 80 #define _zfs_expect(expr, value) (expr) 81 #endif 82 83 #define likely(x) _zfs_expect((x) != 0, 1) 84 #define unlikely(x) _zfs_expect((x) != 0, 0) 85 86 #define CPU_SEQID (CPU->cpu_seqid) 87 88 /* 89 * In ZoL the following defines were added to their sys/avl.h header, but 90 * we want to limit these to the ZFS code on illumos. 91 */ 92 #define TREE_ISIGN(a) (((a) > 0) - ((a) < 0)) 93 #define TREE_CMP(a, b) (((a) > (b)) - ((a) < (b))) 94 #define TREE_PCMP(a, b) \ 95 (((uintptr_t)(a) > (uintptr_t)(b)) - ((uintptr_t)(a) < (uintptr_t)(b))) 96 97 98 #ifdef __cplusplus 99 } 100 #endif 101 102 #endif /* _SYS_ZFS_CONTEXT_H */ 103