726 lines
20 KiB
C
726 lines
20 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (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 http://www.opensolaris.org/os/licensing.
|
|
* 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 2009 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
/*
|
|
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
|
|
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
|
|
* Copyright (c) 2013 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _SYS_ZFS_CONTEXT_H
|
|
#define _SYS_ZFS_CONTEXT_H
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <sys/note.h>
|
|
#include <sys/types.h>
|
|
#include <sys/t_lock.h>
|
|
#include <sys/atomic.h>
|
|
#include <sys/sysmacros.h>
|
|
#include <sys/bitmap.h>
|
|
#include <sys/cmn_err.h>
|
|
#include <sys/kmem.h>
|
|
#include <sys/taskq.h>
|
|
#include <sys/buf.h>
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/cpuvar.h>
|
|
#include <sys/kobj.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/disp.h>
|
|
#include <sys/debug.h>
|
|
#include <sys/random.h>
|
|
#include <sys/byteorder.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/list.h>
|
|
#include <sys/uio_impl.h>
|
|
#include <sys/dirent.h>
|
|
#include <sys/time.h>
|
|
#include <vm/seg_kmem.h>
|
|
#include <sys/zone.h>
|
|
#include <sys/sdt.h>
|
|
#include <sys/zfs_debug.h>
|
|
#include <sys/zfs_delay.h>
|
|
#include <sys/fm/fs/zfs.h>
|
|
#include <sys/sunddi.h>
|
|
#include <sys/ctype.h>
|
|
#include <sys/disp.h>
|
|
#include <linux/dcache_compat.h>
|
|
|
|
#else /* _KERNEL */
|
|
|
|
#define _SYS_MUTEX_H
|
|
#define _SYS_RWLOCK_H
|
|
#define _SYS_CONDVAR_H
|
|
#define _SYS_SYSTM_H
|
|
#define _SYS_T_LOCK_H
|
|
#define _SYS_VNODE_H
|
|
#define _SYS_VFS_H
|
|
#define _SYS_SUNDDI_H
|
|
#define _SYS_CALLB_H
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#include <stdarg.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <pthread.h>
|
|
#include <assert.h>
|
|
#include <alloca.h>
|
|
#include <umem.h>
|
|
#include <limits.h>
|
|
#include <atomic.h>
|
|
#include <dirent.h>
|
|
#include <time.h>
|
|
#include <ctype.h>
|
|
#include <signal.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/note.h>
|
|
#include <sys/types.h>
|
|
#include <sys/cred.h>
|
|
#include <sys/sysmacros.h>
|
|
#include <sys/bitmap.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/byteorder.h>
|
|
#include <sys/list.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/zfs_debug.h>
|
|
#include <sys/sdt.h>
|
|
#include <sys/kstat.h>
|
|
#include <sys/u8_textprep.h>
|
|
#include <sys/fm/fs/zfs.h>
|
|
#include <sys/sunddi.h>
|
|
#include <sys/debug.h>
|
|
|
|
/*
|
|
* Stack
|
|
*/
|
|
|
|
#define noinline __attribute__((noinline))
|
|
|
|
/*
|
|
* Debugging
|
|
*/
|
|
|
|
/*
|
|
* Note that we are not using the debugging levels.
|
|
*/
|
|
|
|
#define CE_CONT 0 /* continuation */
|
|
#define CE_NOTE 1 /* notice */
|
|
#define CE_WARN 2 /* warning */
|
|
#define CE_PANIC 3 /* panic */
|
|
#define CE_IGNORE 4 /* print nothing */
|
|
|
|
extern int aok;
|
|
|
|
/*
|
|
* ZFS debugging
|
|
*/
|
|
|
|
extern void dprintf_setup(int *argc, char **argv);
|
|
extern void __dprintf(const char *file, const char *func,
|
|
int line, const char *fmt, ...);
|
|
extern void cmn_err(int, const char *, ...);
|
|
extern void vcmn_err(int, const char *, __va_list);
|
|
extern void panic(const char *, ...);
|
|
extern void vpanic(const char *, __va_list);
|
|
|
|
#define fm_panic panic
|
|
|
|
#ifdef __sun
|
|
/*
|
|
* DTrace SDT probes have different signatures in userland than they do in
|
|
* kernel. If they're being used in kernel code, re-define them out of
|
|
* existence for their counterparts in libzpool.
|
|
*/
|
|
|
|
#ifdef DTRACE_PROBE
|
|
#undef DTRACE_PROBE
|
|
#endif /* DTRACE_PROBE */
|
|
#define DTRACE_PROBE(a) \
|
|
ZFS_PROBE0(#a)
|
|
|
|
#ifdef DTRACE_PROBE1
|
|
#undef DTRACE_PROBE1
|
|
#endif /* DTRACE_PROBE1 */
|
|
#define DTRACE_PROBE1(a, b, c) \
|
|
ZFS_PROBE1(#a, (unsigned long)c)
|
|
|
|
#ifdef DTRACE_PROBE2
|
|
#undef DTRACE_PROBE2
|
|
#endif /* DTRACE_PROBE2 */
|
|
#define DTRACE_PROBE2(a, b, c, d, e) \
|
|
ZFS_PROBE2(#a, (unsigned long)c, (unsigned long)e)
|
|
|
|
#ifdef DTRACE_PROBE3
|
|
#undef DTRACE_PROBE3
|
|
#endif /* DTRACE_PROBE3 */
|
|
#define DTRACE_PROBE3(a, b, c, d, e, f, g) \
|
|
ZFS_PROBE3(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g)
|
|
|
|
#ifdef DTRACE_PROBE4
|
|
#undef DTRACE_PROBE4
|
|
#endif /* DTRACE_PROBE4 */
|
|
#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) \
|
|
ZFS_PROBE4(#a, (unsigned long)c, (unsigned long)e, (unsigned long)g, \
|
|
(unsigned long)i)
|
|
|
|
/*
|
|
* We use the comma operator so that this macro can be used without much
|
|
* additional code. For example, "return (EINVAL);" becomes
|
|
* "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated
|
|
* twice, so it should not have side effects (e.g. something like:
|
|
* "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice).
|
|
*/
|
|
#define SET_ERROR(err) (ZFS_SET_ERROR(err), err)
|
|
#else
|
|
#define SET_ERROR(err) (err)
|
|
#endif
|
|
/*
|
|
* Threads
|
|
*/
|
|
#define TS_MAGIC 0x72f158ab4261e538ull
|
|
#define TS_RUN 0x00000002
|
|
#ifdef __linux__
|
|
#define STACK_SIZE 8192 /* Linux x86 and amd64 */
|
|
#else
|
|
#define STACK_SIZE 24576 /* Solaris */
|
|
#endif
|
|
|
|
/* in libzpool, p0 exists only to have its address taken */
|
|
typedef struct proc {
|
|
uintptr_t this_is_never_used_dont_dereference_it;
|
|
} proc_t;
|
|
|
|
extern struct proc p0;
|
|
#define curproc (&p0)
|
|
|
|
typedef void (*thread_func_t)(void *);
|
|
typedef void (*thread_func_arg_t)(void *);
|
|
typedef pthread_t kt_did_t;
|
|
|
|
#define kpreempt(x) ((void)0)
|
|
|
|
typedef struct kthread {
|
|
kt_did_t t_tid;
|
|
thread_func_t t_func;
|
|
void * t_arg;
|
|
} kthread_t;
|
|
|
|
#define curthread zk_thread_current()
|
|
#define getcomm() "unknown"
|
|
#define thread_exit zk_thread_exit
|
|
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
|
|
zk_thread_create(stk, stksize, (thread_func_t)func, arg, \
|
|
len, NULL, state, pri, PTHREAD_CREATE_DETACHED)
|
|
#define thread_join(t) zk_thread_join(t)
|
|
#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
|
|
|
|
extern kthread_t *zk_thread_current(void);
|
|
extern void zk_thread_exit(void);
|
|
extern kthread_t *zk_thread_create(caddr_t stk, size_t stksize,
|
|
thread_func_t func, void *arg, size_t len,
|
|
proc_t *pp, int state, pri_t pri, int detachstate);
|
|
extern void zk_thread_join(kt_did_t tid);
|
|
|
|
#define kpreempt_disable() ((void)0)
|
|
#define kpreempt_enable() ((void)0)
|
|
|
|
#define PS_NONE -1
|
|
|
|
#define issig(why) (FALSE)
|
|
#define ISSIG(thr, why) (FALSE)
|
|
|
|
/*
|
|
* Mutexes
|
|
*/
|
|
#define MTX_MAGIC 0x9522f51362a6e326ull
|
|
#define MTX_INIT ((void *)NULL)
|
|
#define MTX_DEST ((void *)-1UL)
|
|
|
|
typedef struct kmutex {
|
|
void *m_owner;
|
|
uint64_t m_magic;
|
|
pthread_mutex_t m_lock;
|
|
} kmutex_t;
|
|
|
|
#define MUTEX_DEFAULT 0
|
|
#define MUTEX_HELD(m) ((m)->m_owner == curthread)
|
|
#define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
|
|
|
|
extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
|
|
extern void mutex_destroy(kmutex_t *mp);
|
|
extern void mutex_enter(kmutex_t *mp);
|
|
extern void mutex_exit(kmutex_t *mp);
|
|
extern int mutex_tryenter(kmutex_t *mp);
|
|
extern void *mutex_owner(kmutex_t *mp);
|
|
extern int mutex_held(kmutex_t *mp);
|
|
|
|
/*
|
|
* RW locks
|
|
*/
|
|
#define RW_MAGIC 0x4d31fb123648e78aull
|
|
#define RW_INIT ((void *)NULL)
|
|
#define RW_DEST ((void *)-1UL)
|
|
|
|
typedef struct krwlock {
|
|
void *rw_owner;
|
|
void *rw_wr_owner;
|
|
uint64_t rw_magic;
|
|
pthread_rwlock_t rw_lock;
|
|
uint_t rw_readers;
|
|
} krwlock_t;
|
|
|
|
typedef int krw_t;
|
|
|
|
#define RW_READER 0
|
|
#define RW_WRITER 1
|
|
#define RW_DEFAULT RW_READER
|
|
|
|
#define RW_READ_HELD(x) ((x)->rw_readers > 0)
|
|
#define RW_WRITE_HELD(x) ((x)->rw_wr_owner == curthread)
|
|
#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
|
|
|
|
#undef RW_LOCK_HELD
|
|
#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
|
|
|
|
#undef RW_LOCK_HELD
|
|
#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
|
|
|
|
extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
|
|
extern void rw_destroy(krwlock_t *rwlp);
|
|
extern void rw_enter(krwlock_t *rwlp, krw_t rw);
|
|
extern int rw_tryenter(krwlock_t *rwlp, krw_t rw);
|
|
extern int rw_tryupgrade(krwlock_t *rwlp);
|
|
extern void rw_exit(krwlock_t *rwlp);
|
|
#define rw_downgrade(rwlp) do { } while (0)
|
|
|
|
extern uid_t crgetuid(cred_t *cr);
|
|
extern uid_t crgetruid(cred_t *cr);
|
|
extern gid_t crgetgid(cred_t *cr);
|
|
extern int crgetngroups(cred_t *cr);
|
|
extern gid_t *crgetgroups(cred_t *cr);
|
|
|
|
/*
|
|
* Condition variables
|
|
*/
|
|
#define CV_MAGIC 0xd31ea9a83b1b30c4ull
|
|
|
|
typedef struct kcondvar {
|
|
uint64_t cv_magic;
|
|
pthread_cond_t cv;
|
|
} kcondvar_t;
|
|
|
|
#define CV_DEFAULT 0
|
|
|
|
extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
|
|
extern void cv_destroy(kcondvar_t *cv);
|
|
extern void cv_wait(kcondvar_t *cv, kmutex_t *mp);
|
|
extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime);
|
|
extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim,
|
|
hrtime_t res, int flag);
|
|
extern void cv_signal(kcondvar_t *cv);
|
|
extern void cv_broadcast(kcondvar_t *cv);
|
|
#define cv_timedwait_interruptible(cv, mp, at) cv_timedwait(cv, mp, at)
|
|
#define cv_wait_interruptible(cv, mp) cv_wait(cv, mp)
|
|
#define cv_wait_io(cv, mp) cv_wait(cv, mp)
|
|
|
|
/*
|
|
* Thread-specific data
|
|
*/
|
|
#define tsd_get(k) pthread_getspecific(k)
|
|
#define tsd_set(k, v) pthread_setspecific(k, v)
|
|
#define tsd_create(kp, d) pthread_key_create(kp, d)
|
|
#define tsd_destroy(kp) /* nothing */
|
|
|
|
/*
|
|
* Thread-specific data
|
|
*/
|
|
#define tsd_get(k) pthread_getspecific(k)
|
|
#define tsd_set(k, v) pthread_setspecific(k, v)
|
|
#define tsd_create(kp, d) pthread_key_create(kp, d)
|
|
#define tsd_destroy(kp) /* nothing */
|
|
|
|
/*
|
|
* kstat creation, installation and deletion
|
|
*/
|
|
extern kstat_t *kstat_create(const char *, int,
|
|
const char *, const char *, uchar_t, ulong_t, uchar_t);
|
|
extern void kstat_install(kstat_t *);
|
|
extern void kstat_delete(kstat_t *);
|
|
extern void kstat_waitq_enter(kstat_io_t *);
|
|
extern void kstat_waitq_exit(kstat_io_t *);
|
|
extern void kstat_runq_enter(kstat_io_t *);
|
|
extern void kstat_runq_exit(kstat_io_t *);
|
|
extern void kstat_waitq_to_runq(kstat_io_t *);
|
|
extern void kstat_runq_back_to_waitq(kstat_io_t *);
|
|
extern void kstat_set_raw_ops(kstat_t *ksp,
|
|
int (*headers)(char *buf, size_t size),
|
|
int (*data)(char *buf, size_t size, void *data),
|
|
void *(*addr)(kstat_t *ksp, loff_t index));
|
|
|
|
/*
|
|
* Kernel memory
|
|
*/
|
|
#define KM_SLEEP UMEM_NOFAIL
|
|
#define KM_PUSHPAGE KM_SLEEP
|
|
#define KM_NOSLEEP UMEM_DEFAULT
|
|
#define KM_NODEBUG 0x0
|
|
#define KMC_NODEBUG UMC_NODEBUG
|
|
#define KMC_KMEM 0x0
|
|
#define KMC_VMEM 0x0
|
|
#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
|
|
#define kmem_zalloc(_s, _f) umem_zalloc(_s, _f)
|
|
#define kmem_free(_b, _s) umem_free(_b, _s)
|
|
#define vmem_alloc(_s, _f) kmem_alloc(_s, _f)
|
|
#define vmem_zalloc(_s, _f) kmem_zalloc(_s, _f)
|
|
#define vmem_free(_b, _s) kmem_free(_b, _s)
|
|
#define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \
|
|
umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i)
|
|
#define kmem_cache_destroy(_c) umem_cache_destroy(_c)
|
|
#define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
|
|
#define kmem_cache_free(_c, _b) umem_cache_free(_c, _b)
|
|
#define kmem_debugging() 0
|
|
#define kmem_cache_reap_now(_c) /* nothing */
|
|
#define kmem_cache_set_move(_c, _cb) /* nothing */
|
|
#define POINTER_INVALIDATE(_pp) /* nothing */
|
|
#define POINTER_IS_VALID(_p) 0
|
|
|
|
typedef umem_cache_t kmem_cache_t;
|
|
|
|
typedef enum kmem_cbrc {
|
|
KMEM_CBRC_YES,
|
|
KMEM_CBRC_NO,
|
|
KMEM_CBRC_LATER,
|
|
KMEM_CBRC_DONT_NEED,
|
|
KMEM_CBRC_DONT_KNOW
|
|
} kmem_cbrc_t;
|
|
|
|
/*
|
|
* Task queues
|
|
*/
|
|
typedef struct taskq taskq_t;
|
|
typedef uintptr_t taskqid_t;
|
|
typedef void (task_func_t)(void *);
|
|
|
|
typedef struct taskq_ent {
|
|
struct taskq_ent *tqent_next;
|
|
struct taskq_ent *tqent_prev;
|
|
task_func_t *tqent_func;
|
|
void *tqent_arg;
|
|
uintptr_t tqent_flags;
|
|
} taskq_ent_t;
|
|
|
|
#define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */
|
|
|
|
#define TASKQ_PREPOPULATE 0x0001
|
|
#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
|
|
#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
|
|
#define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */
|
|
#define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */
|
|
|
|
#define TQ_SLEEP KM_SLEEP /* Can block for memory */
|
|
#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
|
|
#define TQ_PUSHPAGE KM_PUSHPAGE /* Cannot perform I/O */
|
|
#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
|
|
#define TQ_FRONT 0x08 /* Queue in front */
|
|
|
|
extern taskq_t *system_taskq;
|
|
|
|
extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
|
|
#define taskq_create_proc(a, b, c, d, e, p, f) \
|
|
(taskq_create(a, b, c, d, e, f))
|
|
#define taskq_create_sysdc(a, b, d, e, p, dc, f) \
|
|
(taskq_create(a, b, maxclsyspri, d, e, f))
|
|
extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
|
|
extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *, uint_t,
|
|
clock_t);
|
|
extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
|
|
taskq_ent_t *);
|
|
extern int taskq_empty_ent(taskq_ent_t *);
|
|
extern void taskq_init_ent(taskq_ent_t *);
|
|
extern void taskq_destroy(taskq_t *);
|
|
extern void taskq_wait(taskq_t *);
|
|
extern void taskq_wait_id(taskq_t *, taskqid_t);
|
|
extern int taskq_member(taskq_t *, kthread_t *);
|
|
extern int taskq_cancel_id(taskq_t *, taskqid_t);
|
|
extern void system_taskq_init(void);
|
|
extern void system_taskq_fini(void);
|
|
|
|
#define XVA_MAPSIZE 3
|
|
#define XVA_MAGIC 0x78766174
|
|
|
|
/*
|
|
* vnodes
|
|
*/
|
|
typedef struct vnode {
|
|
uint64_t v_size;
|
|
int v_fd;
|
|
char *v_path;
|
|
} vnode_t;
|
|
|
|
#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
|
|
|
|
typedef struct xoptattr {
|
|
timestruc_t xoa_createtime; /* Create time of file */
|
|
uint8_t xoa_archive;
|
|
uint8_t xoa_system;
|
|
uint8_t xoa_readonly;
|
|
uint8_t xoa_hidden;
|
|
uint8_t xoa_nounlink;
|
|
uint8_t xoa_immutable;
|
|
uint8_t xoa_appendonly;
|
|
uint8_t xoa_nodump;
|
|
uint8_t xoa_settable;
|
|
uint8_t xoa_opaque;
|
|
uint8_t xoa_av_quarantined;
|
|
uint8_t xoa_av_modified;
|
|
uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
|
|
uint8_t xoa_reparse;
|
|
uint8_t xoa_offline;
|
|
uint8_t xoa_sparse;
|
|
} xoptattr_t;
|
|
|
|
typedef struct vattr {
|
|
uint_t va_mask; /* bit-mask of attributes */
|
|
u_offset_t va_size; /* file size in bytes */
|
|
} vattr_t;
|
|
|
|
|
|
typedef struct xvattr {
|
|
vattr_t xva_vattr; /* Embedded vattr structure */
|
|
uint32_t xva_magic; /* Magic Number */
|
|
uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
|
|
uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
|
|
uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
|
|
uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
|
|
xoptattr_t xva_xoptattrs; /* Optional attributes */
|
|
} xvattr_t;
|
|
|
|
typedef struct vsecattr {
|
|
uint_t vsa_mask; /* See below */
|
|
int vsa_aclcnt; /* ACL entry count */
|
|
void *vsa_aclentp; /* pointer to ACL entries */
|
|
int vsa_dfaclcnt; /* default ACL entry count */
|
|
void *vsa_dfaclentp; /* pointer to default ACL entries */
|
|
size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
|
|
} vsecattr_t;
|
|
|
|
#define AT_TYPE 0x00001
|
|
#define AT_MODE 0x00002
|
|
#define AT_UID 0x00004
|
|
#define AT_GID 0x00008
|
|
#define AT_FSID 0x00010
|
|
#define AT_NODEID 0x00020
|
|
#define AT_NLINK 0x00040
|
|
#define AT_SIZE 0x00080
|
|
#define AT_ATIME 0x00100
|
|
#define AT_MTIME 0x00200
|
|
#define AT_CTIME 0x00400
|
|
#define AT_RDEV 0x00800
|
|
#define AT_BLKSIZE 0x01000
|
|
#define AT_NBLOCKS 0x02000
|
|
#define AT_SEQ 0x08000
|
|
#define AT_XVATTR 0x10000
|
|
|
|
#define CRCREAT 0
|
|
|
|
extern int fop_getattr(vnode_t *vp, vattr_t *vap);
|
|
|
|
#define VOP_CLOSE(vp, f, c, o, cr, ct) vn_close(vp)
|
|
#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
|
|
#define VOP_GETATTR(vp, vap, fl, cr, ct) fop_getattr((vp), (vap));
|
|
|
|
#define VOP_FSYNC(vp, f, cr, ct) fsync((vp)->v_fd)
|
|
|
|
#define VN_RELE(vp) vn_close(vp)
|
|
|
|
extern int vn_open(char *path, int x1, int oflags, int mode, vnode_t **vpp,
|
|
int x2, int x3);
|
|
extern int vn_openat(char *path, int x1, int oflags, int mode, vnode_t **vpp,
|
|
int x2, int x3, vnode_t *vp, int fd);
|
|
extern int vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len,
|
|
offset_t offset, int x1, int x2, rlim64_t x3, void *x4, ssize_t *residp);
|
|
extern void vn_close(vnode_t *vp);
|
|
|
|
#define vn_remove(path, x1, x2) remove(path)
|
|
#define vn_rename(from, to, seg) rename((from), (to))
|
|
#define vn_is_readonly(vp) B_FALSE
|
|
|
|
extern vnode_t *rootdir;
|
|
|
|
#include <sys/file.h> /* for FREAD, FWRITE, etc */
|
|
|
|
/*
|
|
* Random stuff
|
|
*/
|
|
#define ddi_get_lbolt() (gethrtime() >> 23)
|
|
#define ddi_get_lbolt64() (gethrtime() >> 23)
|
|
#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
|
|
|
|
extern void delay(clock_t ticks);
|
|
|
|
#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))
|
|
|
|
#define gethrestime_sec() time(NULL)
|
|
#define gethrestime(t) \
|
|
do {\
|
|
(t)->tv_sec = gethrestime_sec();\
|
|
(t)->tv_nsec = 0;\
|
|
} while (0);
|
|
|
|
#define max_ncpus 64
|
|
|
|
#define minclsyspri 60
|
|
#define maxclsyspri 99
|
|
|
|
#define CPU_SEQID (pthread_self() & (max_ncpus - 1))
|
|
|
|
#define kcred NULL
|
|
#define CRED() NULL
|
|
|
|
#define ptob(x) ((x) * PAGESIZE)
|
|
|
|
extern uint64_t physmem;
|
|
|
|
extern int highbit(ulong_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);
|
|
extern void kernel_fini(void);
|
|
|
|
struct spa;
|
|
extern void nicenum(uint64_t num, char *buf);
|
|
extern void show_pool_stats(struct spa *);
|
|
|
|
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 char *kmem_vasprintf(const char *fmt, va_list adx);
|
|
extern char *kmem_asprintf(const char *fmt, ...);
|
|
#define strfree(str) kmem_free((str), strlen(str) + 1)
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/* 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 struct _buf *kobj_open_file(char *name);
|
|
extern int kobj_read_file(struct _buf *file, char *buf, unsigned size,
|
|
unsigned off);
|
|
extern void kobj_close_file(struct _buf *file);
|
|
extern int kobj_get_filesize(struct _buf *file, uint64_t *size);
|
|
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 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)
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _SYS_ZFS_CONTEXT_H */
|