753 lines
20 KiB
C
753 lines
20 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
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* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
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* Copyright (c) 2012, Joyent, Inc. All rights reserved.
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*/
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#ifndef _SYS_ZFS_CONTEXT_H
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#define _SYS_ZFS_CONTEXT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __KERNEL__
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#include <sys/note.h>
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#include <sys/types.h>
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#include <sys/atomic.h>
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#include <sys/sysmacros.h>
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#include <sys/vmsystm.h>
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#include <sys/condvar.h>
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#include <sys/cmn_err.h>
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#include <sys/kmem.h>
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#include <sys/kmem_cache.h>
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#include <sys/vmem.h>
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#include <sys/taskq.h>
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#include <sys/param.h>
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#include <sys/disp.h>
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#include <sys/debug.h>
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#include <sys/random.h>
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#include <sys/strings.h>
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#include <sys/byteorder.h>
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#include <sys/list.h>
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#include <sys/time.h>
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#include <sys/zone.h>
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#include <sys/kstat.h>
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#include <sys/zfs_debug.h>
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#include <sys/sysevent.h>
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#include <sys/sysevent/eventdefs.h>
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#include <sys/zfs_delay.h>
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#include <sys/sunddi.h>
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#include <sys/ctype.h>
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#include <sys/disp.h>
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#include <sys/trace.h>
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#include <sys/procfs_list.h>
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#include <sys/mod.h>
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#include <sys/zfs_context_os.h>
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#else /* _KERNEL */
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#define _SYS_MUTEX_H
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#define _SYS_RWLOCK_H
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#define _SYS_CONDVAR_H
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#define _SYS_VNODE_H
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#define _SYS_VFS_H
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#define _SYS_SUNDDI_H
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#define _SYS_CALLB_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdarg.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <strings.h>
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#include <pthread.h>
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#include <setjmp.h>
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#include <assert.h>
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#include <umem.h>
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#include <limits.h>
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#include <atomic.h>
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#include <dirent.h>
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#include <time.h>
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#include <ctype.h>
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#include <signal.h>
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#include <sys/mman.h>
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#include <sys/note.h>
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#include <sys/types.h>
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#include <sys/cred.h>
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#include <sys/sysmacros.h>
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#include <sys/resource.h>
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#include <sys/byteorder.h>
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#include <sys/list.h>
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#include <sys/mod.h>
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#include <sys/uio.h>
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#include <sys/zfs_debug.h>
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#include <sys/kstat.h>
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#include <sys/u8_textprep.h>
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#include <sys/sysevent.h>
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#include <sys/sysevent/eventdefs.h>
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#include <sys/sunddi.h>
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#include <sys/debug.h>
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#include <sys/utsname.h>
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#include <sys/trace_zfs.h>
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#include <sys/zfs_context_os.h>
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/*
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* Stack
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*/
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#define noinline __attribute__((noinline))
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#define likely(x) __builtin_expect((x), 1)
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#define unlikely(x) __builtin_expect((x), 0)
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/*
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* Debugging
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*/
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/*
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* Note that we are not using the debugging levels.
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*/
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#define CE_CONT 0 /* continuation */
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#define CE_NOTE 1 /* notice */
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#define CE_WARN 2 /* warning */
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#define CE_PANIC 3 /* panic */
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#define CE_IGNORE 4 /* print nothing */
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/*
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* ZFS debugging
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*/
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extern void dprintf_setup(int *argc, char **argv);
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extern void cmn_err(int, const char *, ...);
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extern void vcmn_err(int, const char *, va_list);
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extern void panic(const char *, ...) __NORETURN;
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extern void vpanic(const char *, va_list) __NORETURN;
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#define fm_panic panic
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extern int aok;
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/*
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* DTrace SDT probes have different signatures in userland than they do in
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* the kernel. If they're being used in kernel code, re-define them out of
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* existence for their counterparts in libzpool.
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*
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* Here's an example of how to use the set-error probes in userland:
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* zfs$target:::set-error /arg0 == EBUSY/ {stack();}
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*
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* Here's an example of how to use DTRACE_PROBE probes in userland:
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* If there is a probe declared as follows:
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* DTRACE_PROBE2(zfs__probe_name, uint64_t, blkid, dnode_t *, dn);
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* Then you can use it as follows:
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* zfs$target:::probe2 /copyinstr(arg0) == "zfs__probe_name"/
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* {printf("%u %p\n", arg1, arg2);}
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*/
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#ifdef DTRACE_PROBE
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#undef DTRACE_PROBE
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#endif /* DTRACE_PROBE */
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#define DTRACE_PROBE(a)
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#ifdef DTRACE_PROBE1
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#undef DTRACE_PROBE1
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#endif /* DTRACE_PROBE1 */
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#define DTRACE_PROBE1(a, b, c)
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#ifdef DTRACE_PROBE2
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#undef DTRACE_PROBE2
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#endif /* DTRACE_PROBE2 */
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#define DTRACE_PROBE2(a, b, c, d, e)
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#ifdef DTRACE_PROBE3
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#undef DTRACE_PROBE3
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#endif /* DTRACE_PROBE3 */
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#define DTRACE_PROBE3(a, b, c, d, e, f, g)
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#ifdef DTRACE_PROBE4
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#undef DTRACE_PROBE4
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#endif /* DTRACE_PROBE4 */
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#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i)
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/*
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* Tunables.
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*/
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typedef struct zfs_kernel_param {
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const char *name; /* unused stub */
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} zfs_kernel_param_t;
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#define ZFS_MODULE_PARAM(scope_prefix, name_prefix, name, type, perm, desc)
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#define ZFS_MODULE_PARAM_ARGS void
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#define ZFS_MODULE_PARAM_CALL(scope_prefix, name_prefix, name, setfunc, \
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getfunc, perm, desc)
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/*
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* Threads.
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*/
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typedef pthread_t kthread_t;
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#define TS_RUN 0x00000002
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#define TS_JOINABLE 0x00000004
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#define curthread ((void *)(uintptr_t)pthread_self())
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#define kpreempt(x) yield()
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#define getcomm() "unknown"
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#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
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zk_thread_create(func, arg, stksize, state)
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#define thread_exit() pthread_exit(NULL)
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#define thread_join(t) pthread_join((pthread_t)(t), NULL)
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#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
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/* in libzpool, p0 exists only to have its address taken */
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typedef struct proc {
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uintptr_t this_is_never_used_dont_dereference_it;
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} proc_t;
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extern struct proc p0;
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#define curproc (&p0)
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#define PS_NONE -1
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extern kthread_t *zk_thread_create(void (*func)(void *), void *arg,
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size_t stksize, int state);
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#define issig(why) (FALSE)
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#define ISSIG(thr, why) (FALSE)
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#define kpreempt_disable() ((void)0)
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#define kpreempt_enable() ((void)0)
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#define cond_resched() sched_yield()
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/*
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* Mutexes
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*/
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typedef struct kmutex {
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pthread_mutex_t m_lock;
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pthread_t m_owner;
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} kmutex_t;
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#define MUTEX_DEFAULT 0
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#define MUTEX_NOLOCKDEP MUTEX_DEFAULT
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#define MUTEX_HELD(mp) pthread_equal((mp)->m_owner, pthread_self())
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#define MUTEX_NOT_HELD(mp) !MUTEX_HELD(mp)
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extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
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extern void mutex_destroy(kmutex_t *mp);
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extern void mutex_enter(kmutex_t *mp);
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extern void mutex_exit(kmutex_t *mp);
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extern int mutex_tryenter(kmutex_t *mp);
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#define NESTED_SINGLE 1
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#define mutex_enter_nested(mp, class) mutex_enter(mp)
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/*
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* RW locks
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*/
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typedef struct krwlock {
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pthread_rwlock_t rw_lock;
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pthread_t rw_owner;
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uint_t rw_readers;
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} krwlock_t;
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typedef int krw_t;
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#define RW_READER 0
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#define RW_WRITER 1
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#define RW_DEFAULT RW_READER
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#define RW_NOLOCKDEP RW_READER
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#define RW_READ_HELD(rw) ((rw)->rw_readers > 0)
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#define RW_WRITE_HELD(rw) pthread_equal((rw)->rw_owner, pthread_self())
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#define RW_LOCK_HELD(rw) (RW_READ_HELD(rw) || RW_WRITE_HELD(rw))
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extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
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extern void rw_destroy(krwlock_t *rwlp);
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extern void rw_enter(krwlock_t *rwlp, krw_t rw);
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extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
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extern int rw_tryupgrade(krwlock_t *rwlp);
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extern void rw_exit(krwlock_t *rwlp);
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#define rw_downgrade(rwlp) do { } while (0)
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/*
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* Credentials
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*/
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extern uid_t crgetuid(cred_t *cr);
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extern uid_t crgetruid(cred_t *cr);
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extern gid_t crgetgid(cred_t *cr);
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extern int crgetngroups(cred_t *cr);
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extern gid_t *crgetgroups(cred_t *cr);
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/*
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* Condition variables
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*/
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typedef pthread_cond_t kcondvar_t;
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#define CV_DEFAULT 0
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#define CALLOUT_FLAG_ABSOLUTE 0x2
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extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
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extern void cv_destroy(kcondvar_t *cv);
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extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
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extern int cv_wait_sig(kcondvar_t *cv, kmutex_t *mp);
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extern int cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
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extern int cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim,
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hrtime_t res, int flag);
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extern void cv_signal(kcondvar_t *cv);
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extern void cv_broadcast(kcondvar_t *cv);
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#define cv_timedwait_io(cv, mp, at) cv_timedwait(cv, mp, at)
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#define cv_timedwait_sig(cv, mp, at) cv_timedwait(cv, mp, at)
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#define cv_wait_io(cv, mp) cv_wait(cv, mp)
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#define cv_wait_io_sig(cv, mp) cv_wait_sig(cv, mp)
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#define cv_timedwait_sig_hires(cv, mp, t, r, f) \
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cv_timedwait_hires(cv, mp, t, r, f)
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/*
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* Thread-specific data
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*/
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#define tsd_get(k) pthread_getspecific(k)
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#define tsd_set(k, v) pthread_setspecific(k, v)
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#define tsd_create(kp, d) pthread_key_create((pthread_key_t *)kp, d)
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#define tsd_destroy(kp) /* nothing */
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/*
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* kstat creation, installation and deletion
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*/
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extern kstat_t *kstat_create(const char *, int,
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const char *, const char *, uchar_t, ulong_t, uchar_t);
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extern void kstat_install(kstat_t *);
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extern void kstat_delete(kstat_t *);
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extern void kstat_waitq_enter(kstat_io_t *);
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extern void kstat_waitq_exit(kstat_io_t *);
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extern void kstat_runq_enter(kstat_io_t *);
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extern void kstat_runq_exit(kstat_io_t *);
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extern void kstat_waitq_to_runq(kstat_io_t *);
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extern void kstat_runq_back_to_waitq(kstat_io_t *);
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extern void kstat_set_raw_ops(kstat_t *ksp,
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int (*headers)(char *buf, size_t size),
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int (*data)(char *buf, size_t size, void *data),
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void *(*addr)(kstat_t *ksp, loff_t index));
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/*
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* procfs list manipulation
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*/
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typedef struct procfs_list {
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void *pl_private;
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kmutex_t pl_lock;
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list_t pl_list;
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uint64_t pl_next_id;
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size_t pl_node_offset;
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} procfs_list_t;
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#ifndef __cplusplus
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struct seq_file { };
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void seq_printf(struct seq_file *m, const char *fmt, ...);
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typedef struct procfs_list_node {
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list_node_t pln_link;
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uint64_t pln_id;
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} procfs_list_node_t;
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void procfs_list_install(const char *module,
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const char *name,
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mode_t mode,
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procfs_list_t *procfs_list,
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int (*show)(struct seq_file *f, void *p),
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int (*show_header)(struct seq_file *f),
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int (*clear)(procfs_list_t *procfs_list),
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size_t procfs_list_node_off);
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void procfs_list_uninstall(procfs_list_t *procfs_list);
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void procfs_list_destroy(procfs_list_t *procfs_list);
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void procfs_list_add(procfs_list_t *procfs_list, void *p);
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#endif
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/*
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* Kernel memory
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*/
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#define KM_SLEEP UMEM_NOFAIL
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#define KM_PUSHPAGE KM_SLEEP
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#define KM_NOSLEEP UMEM_DEFAULT
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#define KM_NORMALPRI 0 /* not needed with UMEM_DEFAULT */
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#define KMC_NODEBUG UMC_NODEBUG
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#define KMC_KMEM 0x0
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#define KMC_VMEM 0x0
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#define KMC_KVMEM 0x0
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#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
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#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
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#define kmem_free(_b, _s) umem_free(_b, _s)
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#define vmem_alloc(_s, _f) kmem_alloc(_s, _f)
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#define vmem_zalloc(_s, _f) kmem_zalloc(_s, _f)
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#define vmem_free(_b, _s) kmem_free(_b, _s)
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#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
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umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
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#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
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#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
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#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
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#define kmem_debugging() 0
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#define kmem_cache_reap_now(_c) umem_cache_reap_now(_c);
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#define kmem_cache_set_move(_c, _cb) /* nothing */
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#define POINTER_INVALIDATE(_pp) /* nothing */
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#define POINTER_IS_VALID(_p) 0
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typedef umem_cache_t kmem_cache_t;
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typedef enum kmem_cbrc {
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KMEM_CBRC_YES,
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KMEM_CBRC_NO,
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KMEM_CBRC_LATER,
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KMEM_CBRC_DONT_NEED,
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KMEM_CBRC_DONT_KNOW
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} kmem_cbrc_t;
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/*
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* Task queues
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*/
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#define TASKQ_NAMELEN 31
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typedef uintptr_t taskqid_t;
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typedef void (task_func_t)(void *);
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typedef struct taskq_ent {
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struct taskq_ent *tqent_next;
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struct taskq_ent *tqent_prev;
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task_func_t *tqent_func;
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void *tqent_arg;
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uintptr_t tqent_flags;
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} taskq_ent_t;
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typedef struct taskq {
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char tq_name[TASKQ_NAMELEN + 1];
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kmutex_t tq_lock;
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krwlock_t tq_threadlock;
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kcondvar_t tq_dispatch_cv;
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kcondvar_t tq_wait_cv;
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kthread_t **tq_threadlist;
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int tq_flags;
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int tq_active;
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int tq_nthreads;
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int tq_nalloc;
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int tq_minalloc;
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int tq_maxalloc;
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kcondvar_t tq_maxalloc_cv;
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int tq_maxalloc_wait;
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taskq_ent_t *tq_freelist;
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taskq_ent_t tq_task;
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} taskq_t;
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#define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
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#define TASKQ_PREPOPULATE 0x0001
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#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
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#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
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#define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
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#define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
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#define TQ_SLEEP KM_SLEEP /* Can block for memory */
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#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
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#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
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#define TQ_FRONT 0x08 /* Queue in front */
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#define TASKQID_INVALID ((taskqid_t)0)
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extern taskq_t *system_taskq;
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extern taskq_t *system_delay_taskq;
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extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
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#define taskq_create_proc(a, b, c, d, e, p, f) \
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(taskq_create(a, b, c, d, e, f))
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#define taskq_create_sysdc(a, b, d, e, p, dc, f) \
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(taskq_create(a, b, maxclsyspri, d, e, f))
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extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
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extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *, uint_t,
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clock_t);
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extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
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taskq_ent_t *);
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extern int taskq_empty_ent(taskq_ent_t *);
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extern void taskq_init_ent(taskq_ent_t *);
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extern void taskq_destroy(taskq_t *);
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extern void taskq_wait(taskq_t *);
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extern void taskq_wait_id(taskq_t *, taskqid_t);
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extern void taskq_wait_outstanding(taskq_t *, taskqid_t);
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extern int taskq_member(taskq_t *, kthread_t *);
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extern taskq_t *taskq_of_curthread(void);
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extern int taskq_cancel_id(taskq_t *, taskqid_t);
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extern void system_taskq_init(void);
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extern void system_taskq_fini(void);
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#define XVA_MAPSIZE 3
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#define XVA_MAGIC 0x78766174
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extern char *vn_dumpdir;
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#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
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typedef struct xoptattr {
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inode_timespec_t xoa_createtime; /* Create time of file */
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uint8_t xoa_archive;
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uint8_t xoa_system;
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uint8_t xoa_readonly;
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uint8_t xoa_hidden;
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uint8_t xoa_nounlink;
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uint8_t xoa_immutable;
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uint8_t xoa_appendonly;
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uint8_t xoa_nodump;
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uint8_t xoa_settable;
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uint8_t xoa_opaque;
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uint8_t xoa_av_quarantined;
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uint8_t xoa_av_modified;
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uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
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uint8_t xoa_reparse;
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uint8_t xoa_offline;
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uint8_t xoa_sparse;
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} xoptattr_t;
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typedef struct vattr {
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uint_t va_mask; /* bit-mask of attributes */
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u_offset_t va_size; /* file size in bytes */
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} vattr_t;
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typedef struct xvattr {
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vattr_t xva_vattr; /* Embedded vattr structure */
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uint32_t xva_magic; /* Magic Number */
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uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
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uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
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uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
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uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
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xoptattr_t xva_xoptattrs; /* Optional attributes */
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} xvattr_t;
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typedef struct vsecattr {
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uint_t vsa_mask; /* See below */
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int vsa_aclcnt; /* ACL entry count */
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void *vsa_aclentp; /* pointer to ACL entries */
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int vsa_dfaclcnt; /* default ACL entry count */
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|
void *vsa_dfaclentp; /* pointer to default ACL entries */
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|
size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
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} vsecattr_t;
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|
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#define AT_MODE 0x00002
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#define AT_UID 0x00004
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|
#define AT_GID 0x00008
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#define AT_FSID 0x00010
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|
#define AT_NODEID 0x00020
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|
#define AT_NLINK 0x00040
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|
#define AT_SIZE 0x00080
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|
#define AT_ATIME 0x00100
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|
#define AT_MTIME 0x00200
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|
#define AT_CTIME 0x00400
|
|
#define AT_RDEV 0x00800
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|
#define AT_BLKSIZE 0x01000
|
|
#define AT_NBLOCKS 0x02000
|
|
#define AT_SEQ 0x08000
|
|
#define AT_XVATTR 0x10000
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|
|
#define CRCREAT 0
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|
|
|
#define F_FREESP 11
|
|
#define FIGNORECASE 0x80000 /* request case-insensitive lookups */
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|
|
|
/*
|
|
* Random stuff
|
|
*/
|
|
#define ddi_get_lbolt() (gethrtime() >> 23)
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|
#define ddi_get_lbolt64() (gethrtime() >> 23)
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|
#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
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|
|
|
#define ddi_time_before(a, b) (a < b)
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|
#define ddi_time_after(a, b) ddi_time_before(b, a)
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|
#define ddi_time_before_eq(a, b) (!ddi_time_after(a, b))
|
|
#define ddi_time_after_eq(a, b) ddi_time_before_eq(b, a)
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|
|
|
#define ddi_time_before64(a, b) (a < b)
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|
#define ddi_time_after64(a, b) ddi_time_before64(b, a)
|
|
#define ddi_time_before_eq64(a, b) (!ddi_time_after64(a, b))
|
|
#define ddi_time_after_eq64(a, b) ddi_time_before_eq64(b, a)
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|
|
|
extern void delay(clock_t ticks);
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|
|
|
#define SEC_TO_TICK(sec) ((sec) * hz)
|
|
#define MSEC_TO_TICK(msec) ((msec) / (MILLISEC / hz))
|
|
#define USEC_TO_TICK(usec) ((usec) / (MICROSEC / hz))
|
|
#define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz))
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|
|
|
#define max_ncpus 64
|
|
#define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN))
|
|
|
|
/*
|
|
* Process priorities as defined by setpriority(2) and getpriority(2).
|
|
*/
|
|
#define minclsyspri 19
|
|
#define maxclsyspri -20
|
|
#define defclsyspri 0
|
|
|
|
#define CPU_SEQID ((uintptr_t)pthread_self() & (max_ncpus - 1))
|
|
|
|
#define kcred NULL
|
|
#define CRED() NULL
|
|
|
|
#define ptob(x) ((x) * PAGESIZE)
|
|
|
|
#define NN_DIVISOR_1000 (1U << 0)
|
|
#define NN_NUMBUF_SZ (6)
|
|
|
|
extern uint64_t physmem;
|
|
extern char *random_path;
|
|
extern char *urandom_path;
|
|
|
|
extern int highbit64(uint64_t i);
|
|
extern int lowbit64(uint64_t i);
|
|
extern int random_get_bytes(uint8_t *ptr, size_t len);
|
|
extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
|
|
|
|
extern void kernel_init(int mode);
|
|
extern void kernel_fini(void);
|
|
extern void random_init(void);
|
|
extern void random_fini(void);
|
|
|
|
struct spa;
|
|
extern void show_pool_stats(struct spa *);
|
|
extern int set_global_var(char *arg);
|
|
|
|
typedef struct callb_cpr {
|
|
kmutex_t *cc_lockp;
|
|
} callb_cpr_t;
|
|
|
|
#define CALLB_CPR_INIT(cp, lockp, func, name) { \
|
|
(cp)->cc_lockp = lockp; \
|
|
}
|
|
|
|
#define CALLB_CPR_SAFE_BEGIN(cp) { \
|
|
ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
|
|
}
|
|
|
|
#define CALLB_CPR_SAFE_END(cp, lockp) { \
|
|
ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
|
|
}
|
|
|
|
#define CALLB_CPR_EXIT(cp) { \
|
|
ASSERT(MUTEX_HELD((cp)->cc_lockp)); \
|
|
mutex_exit((cp)->cc_lockp); \
|
|
}
|
|
|
|
#define zone_dataset_visible(x, y) (1)
|
|
#define INGLOBALZONE(z) (1)
|
|
extern uint32_t zone_get_hostid(void *zonep);
|
|
|
|
extern char *kmem_vasprintf(const char *fmt, va_list adx);
|
|
extern char *kmem_asprintf(const char *fmt, ...);
|
|
#define kmem_strfree(str) kmem_free((str), strlen(str) + 1)
|
|
#define kmem_strdup(s) strdup(s)
|
|
|
|
/*
|
|
* Hostname information
|
|
*/
|
|
extern char hw_serial[]; /* for userland-emulated hostid access */
|
|
extern int ddi_strtoul(const char *str, char **nptr, int base,
|
|
unsigned long *result);
|
|
|
|
extern int ddi_strtoull(const char *str, char **nptr, int base,
|
|
u_longlong_t *result);
|
|
|
|
typedef struct utsname utsname_t;
|
|
extern utsname_t *utsname(void);
|
|
|
|
/* ZFS Boot Related stuff. */
|
|
|
|
struct _buf {
|
|
intptr_t _fd;
|
|
};
|
|
|
|
struct bootstat {
|
|
uint64_t st_size;
|
|
};
|
|
|
|
typedef struct ace_object {
|
|
uid_t a_who;
|
|
uint32_t a_access_mask;
|
|
uint16_t a_flags;
|
|
uint16_t a_type;
|
|
uint8_t a_obj_type[16];
|
|
uint8_t a_inherit_obj_type[16];
|
|
} ace_object_t;
|
|
|
|
|
|
#define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
|
|
#define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
|
|
#define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
|
|
#define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
|
|
|
|
extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
|
|
extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
|
|
cred_t *cr);
|
|
extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
|
|
extern int secpolicy_zfs(const cred_t *cr);
|
|
extern zoneid_t getzoneid(void);
|
|
|
|
/* SID stuff */
|
|
typedef struct ksiddomain {
|
|
uint_t kd_ref;
|
|
uint_t kd_len;
|
|
char *kd_name;
|
|
} ksiddomain_t;
|
|
|
|
ksiddomain_t *ksid_lookupdomain(const char *);
|
|
void ksiddomain_rele(ksiddomain_t *);
|
|
|
|
#define DDI_SLEEP KM_SLEEP
|
|
#define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
|
|
sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
|
|
|
|
#define zfs_sleep_until(wakeup) \
|
|
do { \
|
|
hrtime_t delta = wakeup - gethrtime(); \
|
|
struct timespec ts; \
|
|
ts.tv_sec = delta / NANOSEC; \
|
|
ts.tv_nsec = delta % NANOSEC; \
|
|
(void) nanosleep(&ts, NULL); \
|
|
} while (0)
|
|
|
|
typedef int fstrans_cookie_t;
|
|
|
|
extern fstrans_cookie_t spl_fstrans_mark(void);
|
|
extern void spl_fstrans_unmark(fstrans_cookie_t);
|
|
extern int __spl_pf_fstrans_check(void);
|
|
extern int kmem_cache_reap_active(void);
|
|
|
|
#define ____cacheline_aligned
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#ifdef __cplusplus
|
|
};
|
|
#endif
|
|
|
|
#endif /* _SYS_ZFS_CONTEXT_H */
|