* CDDL HEADER END
*/
/*
- * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _SYS_ZFS_CONTEXT_H
#include <errno.h>
#include <string.h>
#include <strings.h>
-#include <synch.h>
-#include <thread.h>
+#include <pthread.h>
#include <assert.h>
#include <alloca.h>
#include <umem.h>
#include <atomic.h>
#include <dirent.h>
#include <time.h>
-#include <libsysevent.h>
#include <sys/note.h>
#include <sys/types.h>
#include <sys/cred.h>
#include <sys/sdt.h>
#include <sys/kstat.h>
#include <sys/u8_textprep.h>
-#include <sys/sysevent/eventdefs.h>
-#include <sys/sysevent/dev.h>
+#include <sys/fm/fs/zfs.h>
#include <sys/sunddi.h>
/*
+ * Stack
+ */
+
+#define noinline __attribute__((noinline))
+
+/*
* Debugging
*/
#define CE_PANIC 3 /* panic */
#define CE_IGNORE 4 /* print nothing */
+extern int aok;
+
/*
* ZFS debugging
*/
#define fm_panic panic
-extern int aok;
-
-/* This definition is copied from assert.h. */
-#if defined(__STDC__)
-#if __STDC_VERSION__ - 0 >= 199901L
-#define zverify(EX) (void)((EX) || (aok) || \
- (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0))
-#else
-#define zverify(EX) (void)((EX) || (aok) || \
- (__assert(#EX, __FILE__, __LINE__), 0))
-#endif /* __STDC_VERSION__ - 0 >= 199901L */
-#else
-#define zverify(EX) (void)((EX) || (aok) || \
- (_assert("EX", __FILE__, __LINE__), 0))
-#endif /* __STDC__ */
-
-
-#define VERIFY zverify
-#define ASSERT zverify
-#undef assert
-#define assert zverify
-
-extern void __assert(const char *, const char *, int);
-
-#ifdef lint
-#define VERIFY3_IMPL(x, y, z, t) if (x == z) ((void)0)
-#else
-/* BEGIN CSTYLED */
-#define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
- const TYPE __left = (TYPE)(LEFT); \
- const TYPE __right = (TYPE)(RIGHT); \
- if (!(__left OP __right) && (!aok)) { \
- char *__buf = alloca(256); \
- (void) snprintf(__buf, 256, "%s %s %s (0x%llx %s 0x%llx)", \
- #LEFT, #OP, #RIGHT, \
- (u_longlong_t)__left, #OP, (u_longlong_t)__right); \
- __assert(__buf, __FILE__, __LINE__); \
- } \
-_NOTE(CONSTCOND) } while (0)
-/* END CSTYLED */
-#endif /* lint */
-
-#define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
-#define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
-#define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
-
-#ifdef NDEBUG
-#define ASSERT3S(x, y, z) ((void)0)
-#define ASSERT3U(x, y, z) ((void)0)
-#define ASSERT3P(x, y, z) ((void)0)
-#else
-#define ASSERT3S(x, y, z) VERIFY3S(x, y, z)
-#define ASSERT3U(x, y, z) VERIFY3U(x, y, z)
-#define ASSERT3P(x, y, z) VERIFY3P(x, y, z)
-#endif
-
/*
* 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
/*
* Threads
*/
-#define curthread ((void *)(uintptr_t)thr_self())
-
-typedef struct kthread kthread_t;
-
-#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
- zk_thread_create(func, arg)
-#define thread_exit() thr_exit(NULL)
-#define thread_join(t) panic("libzpool cannot join 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
-#define newproc(f, a, cid, pri, ctp, pid) (ENOSYS)
+#ifdef NPTL_GUARD_WITHIN_STACK
+#define EXTRA_GUARD_BYTES PAGESIZE
+#else
+#define EXTRA_GUARD_BYTES 0
+#endif
/* in libzpool, p0 exists only to have its address taken */
-struct proc {
+typedef struct proc {
uintptr_t this_is_never_used_dont_dereference_it;
-};
+} proc_t;
extern struct proc p0;
-#define PS_NONE -1
+typedef void (*thread_func_t)(void *);
+typedef void (*thread_func_arg_t)(void *);
+typedef pthread_t kt_did_t;
+
+typedef struct kthread {
+ kt_did_t t_tid;
+ thread_func_t t_func;
+ void * t_arg;
+} kthread_t;
+
+#define tsd_get(key) pthread_getspecific(key)
+#define tsd_set(key, val) pthread_setspecific(key, val)
+#define curthread zk_thread_current()
+#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)
+#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);
+extern void zk_thread_join(kt_did_t tid);
-extern kthread_t *zk_thread_create(void (*func)(), void *arg);
+#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;
- boolean_t initialized;
- mutex_t m_lock;
+ uint64_t m_magic;
+ pthread_mutex_t m_lock;
} kmutex_t;
-#define MUTEX_DEFAULT USYNC_THREAD
-#undef MUTEX_HELD
-#define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
-
-/*
- * Argh -- we have to get cheesy here because the kernel and userland
- * have different signatures for the same routine.
- */
-extern int _mutex_init(mutex_t *mp, int type, void *arg);
-extern int _mutex_destroy(mutex_t *mp);
-
-#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
-#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
+#define MUTEX_DEFAULT 0
+#define MUTEX_HELD(m) ((m)->m_owner == curthread)
+#define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m))
-extern void zmutex_init(kmutex_t *mp);
-extern void zmutex_destroy(kmutex_t *mp);
+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;
- boolean_t initialized;
- rwlock_t rw_lock;
+ 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 USYNC_THREAD
-
-#undef RW_READ_HELD
-#define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
+#define RW_DEFAULT RW_READER
-#undef RW_WRITE_HELD
-#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
+#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))
extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
extern void rw_destroy(krwlock_t *rwlp);
/*
* Condition variables
*/
-typedef cond_t kcondvar_t;
+#define CV_MAGIC 0xd31ea9a83b1b30c4ull
-#define CV_DEFAULT USYNC_THREAD
+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);
#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 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)
+#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
*/
extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
extern void taskq_destroy(taskq_t *);
extern void taskq_wait(taskq_t *);
-extern int taskq_member(taskq_t *, void *);
+extern int taskq_member(taskq_t *, kthread_t *);
extern void system_taskq_init(void);
extern void system_taskq_fini(void);
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 {
#define minclsyspri 60
#define maxclsyspri 99
-#define CPU_SEQID (thr_self() & (max_ncpus - 1))
+#define CPU_SEQID (pthread_self() & (max_ncpus - 1))
#define kcred NULL
#define CRED() NULL
#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)
git://git.camperquake.de / zfs.git / blobdiff