1 /* 2 * Copyright (c) 2020 iXsystems, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef ZFS_CONTEXT_OS_H_ 30 #define ZFS_CONTEXT_OS_H_ 31 32 #include <sys/condvar.h> 33 #include <sys/rwlock.h> 34 #include <sys/sig.h> 35 #include_next <sys/sdt.h> 36 #include <sys/misc.h> 37 #include <sys/kdb.h> 38 #include <sys/pathname.h> 39 #include <sys/conf.h> 40 #include <sys/types.h> 41 #include <sys/ccompat.h> 42 #include <linux/types.h> 43 44 #if KSTACK_PAGES * PAGE_SIZE >= 16384 45 #define HAVE_LARGE_STACKS 1 46 #endif 47 48 #define taskq_create_sysdc(a, b, d, e, p, dc, f) \ 49 ((void) sizeof (dc), taskq_create(a, b, maxclsyspri, d, e, f)) 50 51 #define tsd_create(keyp, destructor) do { \ 52 *(keyp) = osd_thread_register((destructor)); \ 53 KASSERT(*(keyp) > 0, ("cannot register OSD")); \ 54 } while (0) 55 56 #define tsd_destroy(keyp) osd_thread_deregister(*(keyp)) 57 #define tsd_get(key) osd_thread_get(curthread, (key)) 58 #define tsd_set(key, value) osd_thread_set(curthread, (key), (value)) 59 #define fm_panic panic 60 61 extern int zfs_debug_level; 62 extern struct mtx zfs_debug_mtx; 63 #define ZFS_LOG(lvl, ...) do { \ 64 if (((lvl) & 0xff) <= zfs_debug_level) { \ 65 mtx_lock(&zfs_debug_mtx); \ 66 printf("%s:%u[%d]: ", \ 67 __func__, __LINE__, (lvl)); \ 68 printf(__VA_ARGS__); \ 69 printf("\n"); \ 70 if ((lvl) & 0x100) \ 71 kdb_backtrace(); \ 72 mtx_unlock(&zfs_debug_mtx); \ 73 } \ 74 } while (0) 75 76 #define MSEC_TO_TICK(msec) (howmany((hrtime_t)(msec) * hz, MILLISEC)) 77 extern int hz; 78 extern int tick; 79 typedef int fstrans_cookie_t; 80 #define spl_fstrans_mark() (0) 81 #define spl_fstrans_unmark(x) (x = 0) 82 #define signal_pending(x) SIGPENDING(x) 83 #define current curthread 84 #define thread_join(x) 85 typedef struct opensolaris_utsname utsname_t; 86 extern utsname_t *utsname(void); 87 extern int spa_import_rootpool(const char *name, bool checkpointrewind); 88 #endif 89