--- /dev/null
+/*
+ * 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 2008 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _SYS_ZFS_CONTEXT_H
+#define _SYS_ZFS_CONTEXT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define _SYS_MUTEX_H
+#define _SYS_RWLOCK_H
+#define _SYS_CONDVAR_H
+#define _SYS_SYSTM_H
+#define _SYS_DEBUG_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 <synch.h>
+#include <thread.h>
+#include <assert.h>
+#include <alloca.h>
+#include <umem.h>
+#include <limits.h>
+#include <atomic.h>
+#include <dirent.h>
+#include <time.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/sysevent/eventdefs.h>
+
+/*
+ * 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 */
+
+/*
+ * ZFS debugging
+ */
+
+#ifdef ZFS_DEBUG
+extern void dprintf_setup(int *argc, char **argv);
+#endif /* ZFS_DEBUG */
+
+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
+
+/* This definition is copied from assert.h. */
+#if defined(__STDC__)
+#if __STDC_VERSION__ - 0 >= 199901L
+#define verify(EX) (void)((EX) || \
+ (__assert_c99(#EX, __FILE__, __LINE__, __func__), 0))
+#else
+#define verify(EX) (void)((EX) || (__assert(#EX, __FILE__, __LINE__), 0))
+#endif /* __STDC_VERSION__ - 0 >= 199901L */
+#else
+#define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
+#endif /* __STDC__ */
+
+
+#define VERIFY verify
+#define ASSERT assert
+
+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)) { \
+ 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
+ * existence for their counterparts in libzpool.
+ */
+
+#ifdef DTRACE_PROBE
+#undef DTRACE_PROBE
+#define DTRACE_PROBE(a) ((void)0)
+#endif /* DTRACE_PROBE */
+
+#ifdef DTRACE_PROBE1
+#undef DTRACE_PROBE1
+#define DTRACE_PROBE1(a, b, c) ((void)0)
+#endif /* DTRACE_PROBE1 */
+
+#ifdef DTRACE_PROBE2
+#undef DTRACE_PROBE2
+#define DTRACE_PROBE2(a, b, c, d, e) ((void)0)
+#endif /* DTRACE_PROBE2 */
+
+#ifdef DTRACE_PROBE3
+#undef DTRACE_PROBE3
+#define DTRACE_PROBE3(a, b, c, d, e, f, g) ((void)0)
+#endif /* DTRACE_PROBE3 */
+
+#ifdef DTRACE_PROBE4
+#undef DTRACE_PROBE4
+#define DTRACE_PROBE4(a, b, c, d, e, f, g, h, i) ((void)0)
+#endif /* DTRACE_PROBE4 */
+
+/*
+ * 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)
+
+extern kthread_t *zk_thread_create(void (*func)(), void *arg);
+
+#define issig(why) (FALSE)
+#define ISSIG(thr, why) (FALSE)
+
+/*
+ * Mutexes
+ */
+typedef struct kmutex {
+ void *m_owner;
+ boolean_t initialized;
+ 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))
+
+extern void zmutex_init(kmutex_t *mp);
+extern void zmutex_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);
+
+/*
+ * RW locks
+ */
+typedef struct krwlock {
+ void *rw_owner;
+ boolean_t initialized;
+ rwlock_t rw_lock;
+} 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)
+
+#undef RW_WRITE_HELD
+#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
+
+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 gid_t crgetgid(cred_t *cr);
+extern int crgetngroups(cred_t *cr);
+extern gid_t *crgetgroups(cred_t *cr);
+
+/*
+ * Condition variables
+ */
+typedef cond_t kcondvar_t;
+
+#define CV_DEFAULT USYNC_THREAD
+
+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 void cv_signal(kcondvar_t *cv);
+extern void cv_broadcast(kcondvar_t *cv);
+
+/*
+ * kstat creation, installation and deletion
+ */
+extern kstat_t *kstat_create(char *, int,
+ char *, char *, uchar_t, ulong_t, uchar_t);
+extern void kstat_install(kstat_t *);
+extern void kstat_delete(kstat_t *);
+
+/*
+ * Kernel memory
+ */
+#define KM_SLEEP UMEM_NOFAIL
+#define KM_PUSHPAGE KM_SLEEP
+#define KM_NOSLEEP UMEM_DEFAULT
+#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 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)
+
+typedef umem_cache_t kmem_cache_t;
+
+/*
+ * Task queues
+ */
+typedef struct taskq taskq_t;
+typedef uintptr_t taskqid_t;
+typedef void (task_func_t)(void *);
+
+#define TASKQ_PREPOPULATE 0x0001
+#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
+#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
+
+#define TQ_SLEEP KM_SLEEP /* Can block for memory */
+#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
+#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
+
+extern taskq_t *system_taskq;
+
+extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
+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 void system_taskq_init(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;
+
+
+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;
+} 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
+
+#define VOP_CLOSE(vp, f, c, o, cr, ct) 0
+#define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) 0
+#define VOP_GETATTR(vp, vap, fl, cr, ct) ((vap)->va_size = (vp)->v_size, 0)
+
+#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 lbolt (gethrtime() >> 23)
+#define lbolt64 (gethrtime() >> 23)
+#define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */
+
+extern void delay(clock_t ticks);
+
+#define gethrestime_sec() time(NULL)
+
+#define max_ncpus 64
+
+#define minclsyspri 60
+#define maxclsyspri 99
+
+#define CPU_SEQID (thr_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)
+
+/*
+ * Hostname information
+ */
+extern char hw_serial[];
+extern int ddi_strtoul(const char *str, char **nptr, int base,
+ unsigned long *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 *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_ZFS_CONTEXT_H */
projects / mirror_zfs-debian.git / commitdiff