xref: /illumos-gate/usr/src/cmd/ndmpd/ndmp/ndmpd.h (revision 82049ff5)
1 /*
2  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
3  * Copyright (c) 2015 by Delphix. All rights reserved.
4  */
5 
6 /*
7  * BSD 3 Clause License
8  *
9  * Copyright (c) 2007, The Storage Networking Industry Association.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  *	- Redistributions of source code must retain the above copyright
15  *	  notice, this list of conditions and the following disclaimer.
16  *
17  *	- Redistributions in binary form must reproduce the above copyright
18  *	  notice, this list of conditions and the following disclaimer in
19  *	  the documentation and/or other materials provided with the
20  *	  distribution.
21  *
22  *	- Neither the name of The Storage Networking Industry Association (SNIA)
23  *	  nor the names of its contributors may be used to endorse or promote
24  *	  products derived from this software without specific prior written
25  *	  permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
28  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 /* Copyright (c) 2007, The Storage Networking Industry Association. */
40 /* Copyright (c) 1996, 1997 PDC, Network Appliance. All Rights Reserved */
41 /* Copyright 2014 Nexenta Systems, Inc.  All rights reserved.  */
42 
43 #ifndef _NDMPD_H
44 #define	_NDMPD_H
45 
46 #include <sys/types.h>
47 #include <libzfs.h>
48 #include <ndmpd_door.h>
49 #include <libndmp.h>
50 #include "ndmpd_common.h"
51 #include "tlm_buffers.h"
52 #include <dirent.h>
53 #include "ndmpd_prop.h"
54 #include "traverse.h"
55 #include <pthread.h>
56 #include <libndmp.h>
57 #include <atomic.h>
58 
59 #define	MAX_RECORD_SIZE (126*512)
60 #define	REMOTE_RECORD_SIZE    (60*KILOBYTE)
61 #define	SCSI_MAX_NAME 32
62 #define	MD5_CHALLENGE_SIZE	64
63 #define	MD5_PASS_LIMIT		32
64 
65 /* Test unit ready */
66 #define	TUR_WAIT	3000000
67 #define	TUR_MAX_TRY	3
68 
69 
70 /* File handler classes */
71 #define	HC_CLIENT	1
72 #define	HC_MOVER	2
73 #define	HC_MODULE	4
74 #define	HC_ALL		0xffffffff
75 
76 #define	IN_ADDR(x) \
77 	(*(struct in_addr *)&x)
78 
79 #define	FS_READONLY(fs)		(hasmntopt(fs, "ro")  ? 1 :  0)
80 
81 typedef void *(*funct_t)(void *);	/* function pointer */
82 
83 #define	HOSTNAMELEN	256
84 
85 #define	VENDOR_NAME	"Sun Microsystems"
86 #define	PRODUCT_NAME	"Solaris 5.11"
87 
88 /*
89  * Calculate array length based on its size and size of
90  * its elements.
91  */
92 #define	ARRAY_LEN(a, t)	(sizeof (a) / sizeof (t))
93 /*
94  * Default maximum permitted sequence number for the token-based backup.
95  */
96 #define	NDMP_MAX_TOKSEQ	9
97 
98 /*
99  * Hard-limit for the sequence number in the token-based backup.
100  * It's one less than the ASCII value of 'A'.  The 'A' letter
101  * can be used as level in the lbr-type backups.
102  */
103 #define	NDMP_TOKSEQ_HLIMIT	('A' - 1)
104 
105 
106 /*
107  * Soft-limit for the sequence number in the token-based backup.
108  */
109 #define	NDMP_TOKSEQ_SLIMIT	(NDMP_TOKSEQ_HLIMIT - 5)
110 
111 
112 /*
113  * Root inode number of dump format in V2.
114  */
115 #define	ROOT_INODE	2
116 
117 /*
118  * NDMP backup image signature
119  */
120 #define	NDMPUTF8MAGIC "NDMPUTF8MAGIC"
121 
122 /*
123  * Supported BU types
124  */
125 #define	NDMP_TAR_TYPE	"tar"
126 #define	NDMP_DUMP_TYPE	"dump"
127 #define	NDMP_ZFS_TYPE	"zfs"
128 
129 /* All 1's binary maximum mover window */
130 #define	MAX_WINDOW_SIZE	0xffffffffffffffffULL
131 
132 #define	NDMP_FREE(cp)	{ free((char *)(cp)); (cp) = NULL; }
133 
134 #define	NDMP_YORN(f)	((f) ? 'Y' : 'N')
135 #define	NDMP_TORF(f)	((f) ? "TRUE" : "FALSE")
136 #define	NDMP_SVAL(cp)	((cp) ? (cp) : "NULL")
137 
138 #define	NDMP_SETENV(env, nm, val) \
139 	{ \
140 		env->name = nm; \
141 		env->value = val; \
142 		env++; \
143 	}
144 
145 #define	NDMP_CL_ADDR_LEN	24
146 #define	NDMP_TCP_ADDR_SIZE	32
147 #define	NDMP_TAPE_DEV_NAME	256
148 
149 typedef struct {
150 	char *bk_path;
151 	int bk_llevel; /* last backup level */
152 	time_t bk_ldate; /* last backup date */
153 	int bk_clevel;	/* current backup level */
154 	time_t bk_cdate; /* current backup date */
155 	int bk_map;
156 	int bk_dirino;
157 	char *bk_dmpnm;
158 	char **bk_exl; /* exlude list */
159 	char **bk_inc; /* include list */
160 } ndmp_backup_params_t;
161 
162 
163 typedef struct {
164 	ulong_t rs_nf;	/* number of files to restore */
165 	char *rs_path;
166 	char *rs_bkpath;
167 	int *rs_restored;
168 	int rs_bm;
169 	int rs_lastidx;
170 } ndmp_restore_params_t;
171 
172 /*
173  * Tar format archiving ops table
174  */
175 extern tm_ops_t tm_tar_ops;
176 
177 /*
178  * IS_LBR_BKTYPE shows if the backup type is one of these
179  * 'F' of 'f': 'Full' backup type.
180  * 'A' of 'a': 'Archive' backup type.
181  * 'I' of 'i': 'Incremental' backup type.
182  * 'D' of 'd': 'Differntial' backup type.
183  */
184 #define	IS_LBR_BKTYPE(t)	(((t) && strchr("FAID", toupper(t))) ? 1 : 0)
185 
186 
187 /*
188  * NLP flags.
189  */
190 #define	NLPF_CHKPNTED_PATH	(1 << 0)
191 #define	NLPF_FH			(1 << 1)
192 #define	NLPF_DIRECT		(1 << 2)
193 #define	NLPF_UPDATE		(1 << 3)
194 #define	NLPF_DUMP		(1 << 4)
195 #define	NLPF_TAR		(1 << 5)
196 #define	NLPF_ABORTED		(1 << 6)
197 #define	NLPF_TOKENBK		(1 << 8)
198 #define	NLPF_LBRBK		(1 << 9)
199 #define	NLPF_LEVELBK		(1 << 10)
200 #define	NLPF_IGNCTIME		(1 << 11)
201 #define	NLPF_INCLMTIME		(1 << 12)
202 #define	NLPF_RECURSIVE		(1 << 13)
203 
204 /*
205  * Macros on NLP flags.
206  */
207 #define	NLP_ISSET(n, f)	(((n)->nlp_flags & (f)) != 0)
208 #define	NLP_SET(n, f)	(n)->nlp_flags |= (f)
209 #define	NLP_UNSET(n, f)	(n)->nlp_flags &= ~(f)
210 
211 
212 #define	NLP_ISCHKPNTED(n)	NLP_ISSET(n, NLPF_CHKPNTED_PATH)
213 #define	NLP_SHOULD_UPDATE(n)	NLP_ISSET(n, NLPF_UPDATE)
214 #define	NLP_ISDUMP(n)		NLP_ISSET(n, NLPF_DUMP)
215 #define	NLP_ISTAR(n)		NLP_ISSET(n, NLPF_TAR)
216 #define	NLP_IGNCTIME(n)		NLP_ISSET(n, NLPF_IGNCTIME)
217 #define	NLP_INCLMTIME(n)	NLP_ISSET(n, NLPF_INCLMTIME)
218 
219 /*
220  * NDMP statistics
221  */
222 #define	NS_INC(s)	(atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s))
223 #define	NS_DEC(s)	(atomic_dec_32((volatile uint32_t *)&ndstat.ns_##s))
224 #define	NS_ADD(s, d)	(atomic_add_64((volatile uint64_t *)&ndstat.ns_##s, \
225 	(uint64_t)d))
226 #define	NS_UPD(s, t)	{ \
227 	atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s); \
228 	atomic_dec_32((volatile uint32_t *)&ndstat.ns_##t); \
229 	}
230 
231 #define	NLP_READY	1
232 
233 typedef struct ndmp_lbr_params {
234 	struct ndmpd_session *nlp_session;
235 	int nlp_flags;
236 
237 	ndmp_backup_params_t bk_params;
238 	ndmp_restore_params_t rs_params;
239 #define	nlp_backup_path	bk_params.bk_path
240 #define	nlp_llevel	bk_params.bk_llevel
241 #define	nlp_ldate	bk_params.bk_ldate
242 #define	nlp_clevel	bk_params.bk_clevel
243 #define	nlp_tokseq	nlp_clevel
244 #define	nlp_tokdate	nlp_ldate
245 #define	nlp_cdate	bk_params.bk_cdate
246 #define	nlp_bkmap	bk_params.bk_map
247 #define	nlp_bkdirino	bk_params.bk_dirino
248 #define	nlp_dmpnm	bk_params.bk_dmpnm
249 #define	nlp_exl		bk_params.bk_exl
250 #define	nlp_inc		bk_params.bk_inc
251 
252 #define	nlp_nfiles	rs_params.rs_nf
253 #define	nlp_restore_path	rs_params.rs_path
254 #define	nlp_restore_bk_path	rs_params.rs_bkpath
255 #define	nlp_restored	rs_params.rs_restored
256 #define	nlp_rsbm	rs_params.rs_bm
257 #define	nlp_lastidx	rs_params.rs_lastidx
258 
259 	ndmpd_module_params_t *nlp_params;
260 	tlm_job_stats_t *nlp_jstat;
261 	lbr_fhlog_call_backs_t *nlp_logcallbacks;
262 	tlm_commands_t nlp_cmds;
263 
264 	cond_t	nlp_cv;		/* for signaling a processed request */
265 	mutex_t nlp_mtx;	/* mutex to synchronize access to nlp_cv */
266 	u_longlong_t nlp_bytes_total;
267 } ndmp_lbr_params_t;
268 
269 
270 typedef struct mem_ndmp_name_v3 {
271 	char *nm3_opath;
272 	char *nm3_dpath;
273 	char *nm3_newnm;
274 	u_longlong_t nm3_node;
275 	u_longlong_t nm3_fh_info;
276 	ndmp_error nm3_err;
277 } mem_ndmp_name_v3_t;
278 
279 typedef struct ndmpd_file_handler {
280 	int fh_fd;
281 	ulong_t fh_mode;
282 	ulong_t fh_class;
283 	void *fh_cookie;
284 	ndmpd_file_handler_func_t *fh_func;
285 	struct ndmpd_file_handler *fh_next;
286 } ndmpd_file_handler_t;
287 
288 typedef struct ndmpd_session_scsi_desc {
289 	int sd_is_open;
290 	int sd_devid;
291 	boolean_t sd_valid_target_set;
292 	int sd_sid;
293 	int sd_lun;
294 	char sd_adapter_name[SCSI_MAX_NAME];
295 } ndmpd_session_scsi_desc_t;
296 
297 typedef struct ndmpd_session_tape_desc {
298 	int td_fd;			/* tape device file descriptor */
299 	ulong_t td_record_count;	/* number of records written */
300 	ndmp_tape_open_mode td_mode;	/* tape device open mode */
301 	u_longlong_t td_pos;	/* current position on the current tape */
302 	int td_sid;
303 	int td_lun;
304 	char td_adapter_name[SCSI_MAX_NAME];
305 } ndmpd_session_tape_desc_t;
306 
307 typedef struct ndmpd_session_mover_desc {
308 	ndmp_mover_state md_state;	/* current state */
309 	ndmp_mover_mode md_mode;	/* current mode */
310 	ndmp_mover_pause_reason md_pause_reason;	/* current reason */
311 	ndmp_mover_halt_reason md_halt_reason;	/* current reason */
312 	u_longlong_t md_data_written;	/* total written to tape */
313 	u_longlong_t md_seek_position;	/* current seek position */
314 	u_longlong_t md_bytes_left_to_read; /* #bytes to end of seek window */
315 	u_longlong_t md_window_offset;	/* valid data window begin */
316 	u_longlong_t md_window_length;	/* valid data window length */
317 	u_longlong_t md_position;	/* current data stream pos */
318 	boolean_t md_pre_cond;		/* used for precondition checks */
319 	ulong_t md_record_size;	/* tape I/O record size */
320 	ulong_t md_record_num;	/* current record num */
321 	int md_listen_sock;		/* data conn listen socket */
322 	int md_sock;		/* data conn socket */
323 	ulong_t md_r_index;		/* buffer read  index */
324 	ulong_t md_w_index;		/* buffer write index */
325 	char *md_buf;		/* data buffer */
326 	/*
327 	 * V2 fields.
328 	 */
329 	ulong_t md_discard_length;	/* bytes to discard */
330 
331 	/*
332 	 * V3 fields.
333 	 */
334 	ndmp_addr_v3 md_data_addr;
335 	/*
336 	 * V4 fields.
337 	 */
338 	ndmp_addr_v4 md_data_addr_v4;
339 } ndmpd_session_mover_desc_t;
340 
341 
342 typedef struct ndmpd_session_data_module {
343 	void *dm_module_cookie;	/* sent as abort_func param */
344 	module_start_func_t *dm_start_func;	/* start function */
345 	module_abort_func_t *dm_abort_func;	/* abort function */
346 	ndmpd_module_stats dm_stats;	/* statistics buffer */
347 } ndmpd_session_data_module_t;
348 
349 typedef struct ndmpd_session_data_desc {
350 	/*
351 	 * Common fields.
352 	 */
353 	ndmp_data_operation dd_operation;	/* current operation */
354 	boolean_t dd_abort;		/* abort operation flag */
355 	boolean_t dd_io_ready;		/* mover sock read for I/O */
356 	ndmp_pval *dd_env;	/* environment from backup or recover request */
357 	ulong_t dd_env_len;		/* environment length */
358 	ulong_t dd_nlist_len;	/* recover file list length */
359 	int dd_sock;		/* listen and data socket */
360 	u_longlong_t dd_read_offset;	/* data read seek offset */
361 	u_longlong_t dd_read_length;	/* data read length */
362 	u_longlong_t dd_data_size;	/* data size to be backed up */
363 	ndmpd_session_data_module_t dd_module;
364 
365 	ndmp_data_state dd_state;	/* current state */
366 	ndmp_data_halt_reason dd_halt_reason;		/* current reason */
367 	/*
368 	 * V2 fields.
369 	 */
370 	ndmp_name *dd_nlist;	/* recover file list */
371 	ndmp_mover_addr dd_mover;	/* mover address */
372 	/*
373 	 * V3 fields.
374 	 */
375 	mem_ndmp_name_v3_t *dd_nlist_v3;
376 	ndmp_addr_v3 dd_data_addr;
377 	int dd_listen_sock;	/* socket for listening for remote */
378 				/* mover connections */
379 	u_longlong_t dd_bytes_left_to_read;
380 	u_longlong_t dd_position;
381 	u_longlong_t dd_discard_length;
382 	/*
383 	 * V4 fields.
384 	 */
385 	ndmp_addr_v4 dd_data_addr_v4;
386 } ndmpd_session_data_desc_t;
387 
388 typedef struct ndmpd_session_file_history {
389 	ndmp_fh_unix_path *fh_path_entries;
390 	ndmp_fh_unix_dir *fh_dir_entries;
391 	ndmp_fh_unix_node *fh_node_entries;
392 	char *fh_path_name_buf;
393 	char *fh_dir_name_buf;
394 	ulong_t fh_path_index;
395 	ulong_t fh_dir_index;
396 	ulong_t fh_node_index;
397 	ulong_t fh_path_name_buf_index;
398 	ulong_t fh_dir_name_buf_index;
399 } ndmpd_session_file_history_t;
400 
401 typedef struct ndmpd_session_file_history_v3 {
402 	ndmp_file_v3 *fh_files;
403 	ndmp_dir_v3 *fh_dirs;
404 	ndmp_node_v3 *fh_nodes;
405 	ndmp_file_name_v3 *fh_file_names;
406 	ndmp_file_name_v3 *fh_dir_names;
407 	ndmp_file_stat_v3 *fh_file_stats;
408 	ndmp_file_stat_v3 *fh_node_stats;
409 	char *fh_file_name_buf;
410 	char *fh_dir_name_buf;
411 	ulong_t fh_file_index;
412 	ulong_t fh_dir_index;
413 	ulong_t fh_node_index;
414 	ulong_t fh_file_name_buf_index;
415 	ulong_t fh_dir_name_buf_index;
416 } ndmpd_session_file_history_v3_t;
417 
418 /*
419  * zfs-based backup (zfs send/recv)
420  */
421 
422 typedef enum {
423 	NDMPD_ZFS_MAJOR_0,
424 } ndmpd_zfs_major_t;
425 
426 typedef enum {
427 	NDMPD_ZFS_MINOR_0,
428 } ndmpd_zfs_minor_t;
429 
430 typedef enum {
431 	NDMPD_ZFS_PROP_MAJOR_0,
432 } ndmpd_zfs_prop_major_t;
433 
434 typedef enum {
435 	NDMPD_ZFS_PROP_MINOR_0,
436 } ndmpd_zfs_prop_minor_t;
437 
438 #define	NDMPD_ZFS_MAJOR_VERSION NDMPD_ZFS_MAJOR_0
439 #define	NDMPD_ZFS_MINOR_VERSION NDMPD_ZFS_MINOR_0
440 #define	NDMPD_ZFS_PROP_MAJOR_VERSION NDMPD_ZFS_PROP_MAJOR_0
441 #define	NDMPD_ZFS_PROP_MINOR_VERSION NDMPD_ZFS_PROP_MINOR_0
442 
443 #pragma pack(1)
444 typedef struct {
445 	char nzh_magic[14]; /* NDMPUTF8MAGIC\0 */
446 	uint32_t nzh_major; /* major version */
447 	uint32_t nzh_minor; /* minor version */
448 	uint32_t nzh_hdrlen; /* length of hdr in bytes including magic */
449 	/* future extensions */
450 } ndmpd_zfs_header_t;
451 #pragma pack()
452 
453 #define	PIPE_TAPE 0
454 #define	PIPE_ZFS 1
455 
456 #define	NDMPD_ZFS_DMP_NAME_MAX 32
457 
458 typedef struct ndmpd_zfs_args {
459 	zfs_type_t nz_type;			/* type of ZFS dataset */
460 	char nz_dataset[ZFS_MAX_DATASET_NAME_LEN]; /* dataset name */
461 	char nz_snapname[ZFS_MAX_DATASET_NAME_LEN]; /* snapname (following @) */
462 	char nz_fromsnap[ZFS_MAX_DATASET_NAME_LEN]; /* snap of L-1 bkup */
463 	char nz_snapprop[ZFS_MAXPROPLEN];	/* contents of snap incr prop */
464 	boolean_t nz_ndmpd_snap;		/* ndmpd-generated snap? */
465 
466 	pthread_t nz_sendrecv_thread;		/* thread for send/recv */
467 	pthread_t nz_tape_thread;		/* thread for tape r/w */
468 	int32_t nz_pipe_fd[2];			/* pipe for above 2 threads */
469 	int32_t nz_bufsize;			/* tape r/w buf size */
470 	int64_t nz_window_len;			/* DMA window length */
471 
472 	int nz_level;				/* val of LEVEL env var */
473 	char nz_zfs_mode;			/* val of ZFS_MODE env var */
474 	boolean_t nz_zfs_force;			/* val of ZFS_FORCE env var */
475 	boolean_t nz_update;			/* val of UPDATE env var */
476 	char nz_dmp_name[NDMPD_ZFS_DMP_NAME_MAX]; /* val of DMP_NAME env var */
477 	u_longlong_t nz_zfs_backup_size;	/* used for restore only */
478 
479 	ndmpd_module_params_t nz_params;
480 	ndmp_lbr_params_t *nz_nlp;
481 	libzfs_handle_t *nz_zlibh;		/* session-specific lzfs hdl */
482 	ndmp_context_t nz_nctx;			/* used by plugin */
483 
484 	ndmpd_zfs_header_t nz_tape_header;	/* tape hdr for "zfs" backup */
485 } ndmpd_zfs_args_t;
486 
487 #define	ndmpd_zfs_params (&(ndmpd_zfs_args)->nz_params)
488 
489 typedef struct ndmpd_session {
490 	ndmp_connection_t *ns_connection;	/* NDMP connection to client */
491 	boolean_t ns_eof;		/* connection EOF flag */
492 	ushort_t ns_protocol_version;	/* connection protocol version */
493 	ndmpd_session_scsi_desc_t ns_scsi;
494 	ndmpd_session_tape_desc_t ns_tape;
495 	ndmpd_session_mover_desc_t ns_mover;
496 	ndmpd_session_data_desc_t ns_data;
497 	ndmpd_session_file_history_t ns_fh;
498 	ndmpd_file_handler_t *ns_file_handler_list; /* for I/O multiplexing */
499 	int ns_nref;
500 	ndmp_lbr_params_t *ns_ndmp_lbr_params;
501 	struct ndmpd_zfs_args ns_ndmpd_zfs_args;
502 	ndmpd_backup_type_t ns_butype;
503 	mutex_t ns_lock;
504 
505 	/*
506 	 * NDMP V3
507 	 * Tape, SCSI, mover, data and file handlers will
508 	 * be shared between V2 and V3.
509 	 */
510 	ndmpd_session_file_history_v3_t ns_fh_v3;
511 	unsigned char ns_challenge[MD5_CHALLENGE_SIZE];  /* For MD5 */
512 
513 	/*
514 	 * NDMP V4 related data
515 	 */
516 	boolean_t ns_get_ext_list;
517 	boolean_t ns_set_ext_list;
518 
519 	/* handling of hardlink, hardlink queue head */
520 	struct hardlink_q *hardlink_q;
521 } ndmpd_session_t;
522 
523 
524 /*
525  * NDMP request handler functions.
526  */
527 
528 /* Config */
529 ndmp_msg_handler_func_t ndmpd_config_get_host_info_v2;
530 ndmp_msg_handler_func_t ndmpd_config_get_butype_attr_v2;
531 ndmp_msg_handler_func_t ndmpd_config_get_mover_type_v2;
532 ndmp_msg_handler_func_t ndmpd_config_get_auth_attr_v2;
533 
534 ndmp_msg_handler_func_t ndmpd_config_get_host_info_v3;
535 ndmp_msg_handler_func_t ndmpd_config_get_butype_info_v3;
536 ndmp_msg_handler_func_t ndmpd_config_get_connection_type_v3;
537 ndmp_msg_handler_func_t ndmpd_config_get_auth_attr_v3;
538 ndmp_msg_handler_func_t ndmpd_config_get_fs_info_v3;
539 ndmp_msg_handler_func_t ndmpd_config_get_tape_info_v3;
540 ndmp_msg_handler_func_t ndmpd_config_get_scsi_info_v3;
541 ndmp_msg_handler_func_t ndmpd_config_get_server_info_v3;
542 
543 ndmp_msg_handler_func_t ndmpd_config_get_butype_info_v4;
544 ndmp_msg_handler_func_t ndmpd_config_get_ext_list_v4;
545 ndmp_msg_handler_func_t ndmpd_config_set_ext_list_v4;
546 
547 
548 /* Scsi */
549 ndmp_msg_handler_func_t ndmpd_scsi_open_v2;
550 ndmp_msg_handler_func_t ndmpd_scsi_close_v2;
551 ndmp_msg_handler_func_t ndmpd_scsi_get_state_v2;
552 ndmp_msg_handler_func_t ndmpd_scsi_set_target_v2;
553 ndmp_msg_handler_func_t ndmpd_scsi_reset_device_v2;
554 ndmp_msg_handler_func_t ndmpd_scsi_reset_bus_v2;
555 ndmp_msg_handler_func_t ndmpd_scsi_execute_cdb_v2;
556 
557 ndmp_msg_handler_func_t ndmpd_scsi_open_v3;
558 ndmp_msg_handler_func_t ndmpd_scsi_set_target_v3;
559 
560 
561 /* Tape */
562 ndmp_msg_handler_func_t ndmpd_tape_open_v2;
563 ndmp_msg_handler_func_t ndmpd_tape_close_v2;
564 ndmp_msg_handler_func_t ndmpd_tape_get_state_v2;
565 ndmp_msg_handler_func_t ndmpd_tape_mtio_v2;
566 ndmp_msg_handler_func_t ndmpd_tape_write_v2;
567 ndmp_msg_handler_func_t ndmpd_tape_read_v2;
568 ndmp_msg_handler_func_t ndmpd_tape_execute_cdb_v2;
569 
570 ndmp_msg_handler_func_t ndmpd_tape_open_v3;
571 ndmp_msg_handler_func_t ndmpd_tape_get_state_v3;
572 ndmp_msg_handler_func_t ndmpd_tape_write_v3;
573 ndmp_msg_handler_func_t ndmpd_tape_read_v3;
574 
575 
576 ndmp_msg_handler_func_t ndmpd_tape_close_v4;
577 /* Data */
578 ndmp_msg_handler_func_t ndmpd_data_get_state_v2;
579 ndmp_msg_handler_func_t ndmpd_data_start_backup_v2;
580 ndmp_msg_handler_func_t ndmpd_data_start_recover_v2;
581 ndmp_msg_handler_func_t ndmpd_data_get_env_v2;
582 ndmp_msg_handler_func_t ndmpd_data_stop_v2;
583 ndmp_msg_handler_func_t ndmpd_data_abort_v2;
584 
585 ndmp_msg_handler_func_t ndmpd_data_get_state_v3;
586 ndmp_msg_handler_func_t ndmpd_data_connect_v3;
587 ndmp_msg_handler_func_t ndmpd_data_listen_v3;
588 ndmp_msg_handler_func_t ndmpd_data_stop_v3;
589 ndmp_msg_handler_func_t ndmpd_data_abort_v3;
590 ndmp_msg_handler_func_t ndmpd_data_start_recover_v3;
591 ndmp_msg_handler_func_t ndmpd_data_start_backup_v3;
592 
593 ndmp_msg_handler_func_t ndmpd_data_get_env_v4;
594 ndmp_msg_handler_func_t ndmpd_data_get_state_v4;
595 ndmp_msg_handler_func_t ndmpd_data_connect_v4;
596 ndmp_msg_handler_func_t ndmpd_data_listen_v4;
597 ndmp_msg_handler_func_t ndmpd_data_start_recover_filehist_v4;
598 
599 
600 /* Connect */
601 ndmp_msg_handler_func_t ndmpd_connect_open_v2;
602 ndmp_msg_handler_func_t ndmpd_connect_client_auth_v2;
603 ndmp_msg_handler_func_t ndmpd_connect_server_auth_v2;
604 ndmp_msg_handler_func_t ndmpd_connect_close_v2;
605 
606 ndmp_msg_handler_func_t ndmpd_connect_client_auth_v3;
607 ndmp_msg_handler_func_t ndmpd_connect_close_v3;
608 
609 
610 /* Mover */
611 ndmp_msg_handler_func_t ndmpd_mover_get_state_v2;
612 ndmp_msg_handler_func_t ndmpd_mover_listen_v2;
613 ndmp_msg_handler_func_t ndmpd_mover_continue_v2;
614 ndmp_msg_handler_func_t ndmpd_mover_abort_v2;
615 ndmp_msg_handler_func_t ndmpd_mover_stop_v2;
616 ndmp_msg_handler_func_t ndmpd_mover_set_window_v2;
617 ndmp_msg_handler_func_t ndmpd_mover_read_v2;
618 ndmp_msg_handler_func_t ndmpd_mover_close_v2;
619 ndmp_msg_handler_func_t ndmpd_mover_set_record_size_v2;
620 
621 ndmp_msg_handler_func_t ndmpd_mover_get_state_v3;
622 ndmp_msg_handler_func_t ndmpd_mover_listen_v3;
623 ndmp_msg_handler_func_t ndmpd_mover_continue_v3;
624 ndmp_msg_handler_func_t ndmpd_mover_abort_v3;
625 ndmp_msg_handler_func_t ndmpd_mover_set_window_v3;
626 ndmp_msg_handler_func_t ndmpd_mover_read_v3;
627 ndmp_msg_handler_func_t ndmpd_mover_set_record_size_v3;
628 ndmp_msg_handler_func_t ndmpd_mover_connect_v3;
629 
630 
631 ndmp_msg_handler_func_t ndmpd_mover_get_state_v4;
632 ndmp_msg_handler_func_t ndmpd_mover_listen_v4;
633 ndmp_msg_handler_func_t ndmpd_mover_connect_v4;
634 
635 
636 /*
637  * Backup/recover module API functions.
638  */
639 ndmpd_get_env_func_t ndmpd_api_get_env;
640 ndmpd_add_env_func_t ndmpd_api_add_env;
641 ndmpd_add_env_func_t ndmpd_api_set_env;
642 ndmpd_get_name_func_t ndmpd_api_get_name;
643 ndmpd_dispatch_func_t ndmpd_api_dispatch;
644 ndmpd_done_func_t ndmpd_api_done_v2;
645 
646 
647 ndmpd_write_func_t ndmpd_api_write_v2;
648 ndmpd_file_history_path_func_t ndmpd_api_file_history_path_v2;
649 ndmpd_file_history_dir_func_t ndmpd_api_file_history_dir_v2;
650 ndmpd_file_history_node_func_t ndmpd_api_file_history_node_v2;
651 ndmpd_read_func_t ndmpd_api_read_v2;
652 ndmpd_seek_func_t ndmpd_api_seek_v2;
653 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v2;
654 ndmpd_add_file_handler_func_t ndmpd_api_add_file_handler;
655 ndmpd_remove_file_handler_func_t ndmpd_api_remove_file_handler;
656 
657 
658 /*
659  * NDMP V3
660  */
661 ndmpd_done_func_t ndmpd_api_done_v3;
662 ndmpd_write_func_t ndmpd_api_write_v3;
663 ndmpd_read_func_t ndmpd_api_read_v3;
664 ndmpd_seek_func_t ndmpd_api_seek_v3;
665 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v3;
666 ndmpd_get_name_func_t ndmpd_api_get_name_v3;
667 ndmpd_file_history_path_func_t ndmpd_api_file_history_file_v3;
668 ndmpd_file_history_dir_func_t ndmpd_api_file_history_dir_v3;
669 ndmpd_file_history_node_func_t ndmpd_api_file_history_node_v3;
670 
671 /*
672  * NDMP V4
673  */
674 ndmpd_log_func_v3_t ndmpd_api_log_v4;
675 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v4;
676 
677 #ifndef NO_NDMP_API_LOG_PROTOTYPES
678 ndmpd_log_func_t ndmpd_api_log_v2;
679 ndmpd_log_func_v3_t ndmpd_api_log_v3;
680 #endif /* NO_NDMP_API_LOG_PROTOTYPES */
681 
682 typedef void ndmpd_func_t(ndmp_connection_t *, void *);
683 
684 /*
685  * pthread call arg parameters
686  */
687 typedef struct {
688 	int nw_sock;
689 	long nw_ipaddr;
690 	ndmp_con_handler_func_t nw_con_handler_func;
691 } ndmpd_worker_arg_t;
692 
693 typedef struct {
694 	char *br_jname;
695 	ndmp_lbr_params_t *br_nlp;
696 	tlm_commands_t *br_cmds;
697 	pthread_barrier_t br_barrier;
698 } backup_reader_arg_t;
699 
700 typedef struct {
701 	ndmpd_session_t *tr_session;
702 	ndmpd_module_params_t *tr_mod_params;
703 	tlm_commands_t *tr_cmds;
704 } ndmp_tar_reader_arg_t;
705 
706 typedef struct {
707 	ndmpd_session_t *bs_session;
708 	char *bs_jname;
709 	char *bs_path;
710 } ndmp_bkup_size_arg_t;
711 
712 /*
713  * Variables from ndmpd_comm.c
714  */
715 extern int ndmp_ver;
716 extern int ndmp_full_restore_path;
717 extern int ndmp_dar_support;
718 extern int ndmp_port;
719 extern ndmp_stat_t ndstat;
720 
721 extern void ndmpd_main(void);
722 extern void connection_handler(ndmp_connection_t *);
723 extern void ndmpd_audit_backup(ndmp_connection_t *conn, char *path,
724     int dest, char *local_path, int result);
725 extern void ndmpd_audit_restore(ndmp_connection_t *conn,
726     char *path, int dest, char *local_path, int result);
727 extern void ndmpd_audit_connect(ndmp_connection_t *conn,
728     int result);
729 extern void ndmpd_audit_disconnect(ndmp_connection_t *conn);
730 
731 /* Variables from ndmpd_main.c */
732 extern	libzfs_handle_t	*zlibh;
733 extern	mutex_t	zlib_mtx;
734 
735 /*
736  * Utility from ndmpd_connect.c.
737  */
738 extern int ndmp_connect_list_add(ndmp_connection_t *, int *);
739 extern int ndmp_connect_list_del(ndmp_connection_t *);
740 extern int ndmpd_connect_kill_id(int);
741 extern void ndmp_connect_list_get(ndmp_door_ctx_t *);
742 extern void ndmpd_get_devs(ndmp_door_ctx_t *);
743 
744 /*
745  * Utility functions form ndmpd_data.c.
746  */
747 extern void ndmpd_data_cleanup(ndmpd_session_t *);
748 extern int ndmpd_data_init(ndmpd_session_t *);
749 extern char *ndmp_data_get_mover_mode(ndmpd_session_t *);
750 extern void ndmpd_data_error(ndmpd_session_t *, ndmp_data_halt_reason);
751 
752 
753 /*
754  * Utility functions from ndmpd_mover.c.
755  */
756 extern int ndmpd_mover_init(ndmpd_session_t *);
757 extern void ndmpd_mover_cleanup(ndmpd_session_t *);
758 extern ndmp_error ndmpd_mover_connect(ndmpd_session_t *,
759     ndmp_mover_mode);
760 extern void ndmpd_mover_error(ndmpd_session_t *,
761     ndmp_mover_halt_reason);
762 extern int ndmpd_mover_seek(ndmpd_session_t *,
763     u_longlong_t,
764     u_longlong_t);
765 extern int ndmpd_local_write(ndmpd_session_t *,
766     char *,
767     ulong_t);
768 extern int ndmpd_remote_write(ndmpd_session_t *,
769     char *,
770     ulong_t);
771 extern int ndmpd_local_read(ndmpd_session_t *,
772     char *,
773     ulong_t);
774 extern int ndmpd_remote_read(ndmpd_session_t *,
775     char *,
776     ulong_t);
777 
778 extern void ndmpd_mover_shut_down(ndmpd_session_t *);
779 extern void ndmpd_mover_error(ndmpd_session_t *,
780     ndmp_mover_halt_reason);
781 extern int ndmpd_local_write_v3(ndmpd_session_t *,
782     char *,
783     ulong_t);
784 extern int ndmpd_local_read_v3(ndmpd_session_t *,
785     char *,
786     ulong_t);
787 extern int ndmpd_remote_read_v3(ndmpd_session_t *,
788     char *,
789     ulong_t);
790 
791 
792 /*
793  * Utility functions from ndmpd_file_history.c
794  */
795 extern void ndmpd_file_history_init(ndmpd_session_t *);
796 extern void ndmpd_file_history_cleanup(ndmpd_session_t *,
797     boolean_t);
798 extern int ndmpd_file_history_path(lbr_fhlog_call_backs_t *,
799     char *,
800     struct stat64 *,
801     u_longlong_t);
802 extern int ndmpd_file_history_dir(lbr_fhlog_call_backs_t *,
803     char *,
804     struct stat64 *);
805 extern int ndmpd_file_history_node(lbr_fhlog_call_backs_t *,
806     char *,
807     char *,
808     struct stat64 *,
809     u_longlong_t);
810 extern int
811 ndmpd_path_restored(lbr_fhlog_call_backs_t *,
812     char *,
813     struct stat64 *,
814     u_longlong_t);
815 extern int ndmpd_fhpath_v3_cb(lbr_fhlog_call_backs_t *,
816     char *,
817     struct stat64 *,
818     u_longlong_t);
819 extern int ndmpd_fhdir_v3_cb(lbr_fhlog_call_backs_t *,
820     char *,
821     struct stat64 *);
822 extern int ndmpd_fhnode_v3_cb(lbr_fhlog_call_backs_t *,
823     char *,
824     char *,
825     struct stat64 *,
826     u_longlong_t);
827 extern int ndmpd_path_restored_v3(lbr_fhlog_call_backs_t *,
828     char *,
829     struct stat64 *,
830     u_longlong_t);
831 
832 extern int ndmp_send_recovery_stat_v3(ndmpd_module_params_t *,
833     ndmp_lbr_params_t *,
834     int,
835     int);
836 
837 
838 /*
839  * Utility functions from ndmpd_dtime.c
840  */
841 extern int ndmpd_put_dumptime(char *, int, time_t);
842 extern int ndmpd_get_dumptime(char *, int *, time_t *);
843 extern int ndmpd_append_dumptime(char *, char *, int, time_t);
844 
845 
846 /*
847  * Global variables from ndmpd_tar3.c
848  */
849 extern char **ndmp_excl_list;
850 
851 
852 /*
853  * Global variables from ndmpd_util.c
854  */
855 extern int ndmp_force_bk_dirs;
856 extern int ndmp_rbs;
857 extern int ndmp_sbs;
858 extern boolean_t ndmp_dump_path_node;
859 extern boolean_t ndmp_tar_path_node;
860 extern boolean_t ndmp_ignore_ctime;
861 extern boolean_t ndmp_include_lmtime;
862 
863 
864 /*
865  * Utility functions from ndmpd_util.c.
866  */
867 extern int ndmpd_select(ndmpd_session_t *,
868     boolean_t,
869     ulong_t);
870 
871 extern ndmp_error ndmpd_save_env(ndmpd_session_t *,
872     ndmp_pval *,
873     ulong_t);
874 
875 extern void ndmpd_free_env(ndmpd_session_t *);
876 extern ndmp_error ndmpd_save_nlist_v2(ndmpd_session_t *,
877     ndmp_name *,
878     ulong_t);
879 
880 extern void ndmpd_free_nlist(ndmpd_session_t *);
881 extern int ndmpd_add_file_handler(ndmpd_session_t *,
882     void *,
883     int,
884     ulong_t,
885     ulong_t,
886     ndmpd_file_handler_func_t *);
887 
888 extern int ndmpd_remove_file_handler(ndmpd_session_t *,
889     int);
890 
891 extern void ndmp_send_reply(ndmp_connection_t *,
892     void *,
893     char *);
894 
895 extern int ndmp_mtioctl(int, int, int);
896 
897 extern u_longlong_t quad_to_long_long(ndmp_u_quad);
898 extern ndmp_u_quad long_long_to_quad(u_longlong_t);
899 
900 extern void set_socket_options(int sock);
901 
902 extern long ndmp_buffer_get_size(ndmpd_session_t *);
903 extern int ndmp_lbr_init(ndmpd_session_t *);
904 extern void ndmp_lbr_cleanup(ndmpd_session_t *);
905 
906 extern int ndmp_wait_for_mover(ndmpd_session_t *);
907 extern boolean_t is_buffer_erroneous(tlm_buffer_t *);
908 extern void ndmp_execute_cdb(ndmpd_session_t *,
909     char *,
910     int,
911     int,
912     ndmp_execute_cdb_request *);
913 
914 extern scsi_adapter_t *scsi_get_adapter(int);
915 extern boolean_t is_tape_unit_ready(char *, int);
916 
917 extern int ndmp_open_list_add(ndmp_connection_t *, char *, int, int, int);
918 extern int ndmp_open_list_del(char *, int, int);
919 extern void ndmp_open_list_release(ndmp_connection_t *);
920 
921 extern void ndmp_stop_buffer_worker(ndmpd_session_t *);
922 extern void ndmp_stop_reader_thread(ndmpd_session_t *);
923 extern void ndmp_stop_writer_thread(ndmpd_session_t *);
924 extern void ndmp_free_reader_writer_ipc(ndmpd_session_t *);
925 extern void ndmp_waitfor_op(ndmpd_session_t *);
926 
927 extern char *cctime(time_t *);
928 extern char *ndmp_new_job_name(char *);
929 extern char *ndmpd_mk_temp(char *);
930 extern char *ndmpd_make_bk_dir_path(char *, char *);
931 extern boolean_t ndmp_is_chkpnt_root(char *);
932 extern char **ndmpd_make_exc_list(void);
933 extern void ndmp_sort_nlist_v3(ndmpd_session_t *);
934 extern int ndmp_get_bk_dir_ino(ndmp_lbr_params_t *);
935 extern int ndmp_write_utf8magic(tlm_cmd_t *);
936 extern int ndmp_tar_writer(ndmpd_session_t *,
937     ndmpd_module_params_t *,
938     tlm_commands_t *);
939 extern void ndmp_wait_for_reader(tlm_commands_t *);
940 extern ndmp_error ndmpd_save_nlist_v3(ndmpd_session_t *,
941     ndmp_name_v3 *,
942     ulong_t);
943 extern void ndmpd_free_nlist_v3(ndmpd_session_t *);
944 extern int ndmp_create_socket(ulong_t *, ushort_t *);
945 extern int ndmp_connect_sock_v3(ulong_t, ushort_t);
946 extern void ndmp_copy_addr_v3(ndmp_addr_v3 *, ndmp_addr_v3 *);
947 extern void ndmp_copy_addr_v4(ndmp_addr_v4 *, ndmp_addr_v4 *);
948 extern char *ndmp_addr2str_v3(ndmp_addr_type);
949 extern boolean_t ndmp_valid_v3addr_type(ndmp_addr_type);
950 extern boolean_t ndmp_check_utf8magic(tlm_cmd_t *);
951 extern int ndmp_get_cur_bk_time(ndmp_lbr_params_t *,
952     time_t *, char *);
953 extern char *ndmp_get_relative_path(char *, char *);
954 
955 extern boolean_t ndmp_fhinode;
956 extern void ndmp_load_params(void);
957 extern void randomize(unsigned char *, int);
958 
959 
960 /*
961  * Utility functions from ndmpd_tar3.c.
962  */
963 extern ndmp_error ndmp_restore_get_params_v3(ndmpd_session_t *,
964     ndmpd_module_params_t *);
965 extern ndmp_error ndmp_backup_get_params_v3(ndmpd_session_t *,
966     ndmpd_module_params_t *);
967 
968 /*
969  * door init and fini function from ndmpd_door_serv.c
970  */
971 extern int ndmp_door_init(void);
972 extern void ndmp_door_fini(void);
973 extern boolean_t ndmp_door_check(void);
974 
975 extern int ndmp_get_max_tok_seq(void);
976 
977 extern int get_zfsvolname(char *, int, char *);
978 extern int ndmp_create_snapshot(char *, char *);
979 extern int ndmp_remove_snapshot(char *, char *);
980 extern int ndmpd_mark_inodes_v2(ndmpd_session_t *, ndmp_lbr_params_t *);
981 extern void ndmpd_abort_marking_v2(ndmpd_session_t *);
982 extern int ndmpd_mark_inodes_v3(ndmpd_session_t *, ndmp_lbr_params_t *);
983 extern ndmp_lbr_params_t *ndmp_get_nlp(void *);
984 
985 module_start_func_t ndmpd_tar_backup_starter;
986 module_abort_func_t ndmpd_tar_backup_abort;
987 
988 module_start_func_t ndmpd_tar_restore_starter;
989 module_abort_func_t ndmpd_tar_restore_abort;
990 
991 module_start_func_t ndmpd_tar_backup_starter_v3;
992 module_abort_func_t ndmpd_tar_backup_abort_v3;
993 
994 module_start_func_t ndmpd_tar_restore_starter_v3;
995 module_abort_func_t ndmpd_tar_restore_abort_v3;
996 
997 extern int ndmp_backup_extract_params(ndmpd_session_t *,
998     ndmpd_module_params_t *);
999 extern int ndmp_restore_extract_params(ndmpd_session_t *,
1000     ndmpd_module_params_t *);
1001 extern void *ndmp_tar_reader(void *);
1002 
1003 extern int tape_open(char *, int);
1004 extern int tape_is_at_bot(ndmpd_session_t *);
1005 extern int tape_is_at_bof(ndmpd_session_t *);
1006 extern void fm_dance(ndmpd_session_t *);
1007 
1008 extern void ndmp_session_ref(ndmpd_session_t *);
1009 extern void ndmp_session_unref(ndmpd_session_t *);
1010 
1011 void ndmpd_get_file_entry_type(int, ndmp_file_type *);
1012 
1013 extern int tcp_accept(int, unsigned int *);
1014 extern int tcp_get_peer(int, unsigned int *, int *);
1015 
1016 extern char *gethostaddr(void);
1017 extern char *get_default_nic_addr(void);
1018 extern int tlm_init(void);
1019 
1020 extern int snapshot_create(char *, char *, boolean_t, boolean_t);
1021 extern int snapshot_destroy(char *, char *, boolean_t, boolean_t, int *);
1022 
1023 extern boolean_t fs_is_chkpntvol(char *);
1024 extern boolean_t fs_is_chkpnt_enabled(char *);
1025 extern boolean_t fs_is_rdonly(char *);
1026 extern boolean_t fs_volexist(char *);
1027 extern boolean_t fs_is_valid_logvol(char *);
1028 extern boolean_t rootfs_dot_or_dotdot(char *);
1029 extern int dp_readdir(DIR *, unsigned long *, char *,
1030     int *, unsigned long *);
1031 
1032 extern void scsi_find_sid_lun();
1033 extern char *sasd_slink_name();
1034 extern int scsi_dev_exists(char *, int, int);
1035 extern int scsi_get_devtype(char *, int, int);
1036 extern struct open_list *ndmp_open_list_find(char *, int, int);
1037 extern int filecopy(char *, char *);
1038 
1039 extern void ndmp_stop_local_reader();
1040 extern void ndmp_stop_remote_reader();
1041 
1042 extern boolean_t match(char *, char *);
1043 extern char *trim_whitespace(char *);
1044 extern int fs_getstat(char *, struct fs_fhandle *, struct stat64 *);
1045 extern int fs_readdir(struct fs_fhandle *, char *, long *,
1046     char *, int *, struct fs_fhandle *, struct stat64 *);
1047 extern int iscreated(ndmp_lbr_params_t *nlp, char *name, tlm_acls_t *tacl,
1048     time_t t);
1049 
1050 extern int sasd_dev_count(void);
1051 extern struct scsi_link *sasd_dev_slink(int);
1052 extern struct sasd_drive *sasd_drive(int);
1053 extern void *ndmp_malloc(size_t size);
1054 
1055 extern ndmp_plugin_t *ndmp_pl;
1056 
1057 #define	NDMP_APILOG(s, t, m, ...) \
1058 { \
1059 	if (((ndmpd_session_t *)(s))->ns_protocol_version == NDMPV4) \
1060 		(void) ndmpd_api_log_v4(s, t, m, __VA_ARGS__); \
1061 	else if (((ndmpd_session_t *)(s))->ns_protocol_version == NDMPV3) \
1062 		(void) ndmpd_api_log_v3(s, t, m, __VA_ARGS__); \
1063 	else \
1064 		(void) ndmpd_api_log_v2(s, __VA_ARGS__); \
1065 }
1066 
1067 /*
1068  * Backup path utility functions
1069  */
1070 extern char *get_backup_path_v3(ndmpd_module_params_t *);
1071 extern char *get_backup_path_v2(ndmpd_module_params_t *);
1072 
1073 /*
1074  * Functions for zfs-based backup
1075  */
1076 
1077 module_start_func_t ndmpd_zfs_backup_starter;
1078 module_start_func_t ndmpd_zfs_restore_starter;
1079 module_abort_func_t ndmpd_zfs_abort;
1080 
1081 int ndmpd_zfs_init(ndmpd_session_t *);
1082 void ndmpd_zfs_fini(ndmpd_zfs_args_t *);
1083 
1084 boolean_t ndmpd_zfs_backup_parms_valid(ndmpd_zfs_args_t *);
1085 boolean_t ndmpd_zfs_restore_parms_valid(ndmpd_zfs_args_t *);
1086 
1087 int ndmpd_zfs_pre_backup(ndmpd_zfs_args_t *);
1088 int ndmpd_zfs_pre_restore(ndmpd_zfs_args_t *);
1089 int ndmpd_zfs_post_backup(ndmpd_zfs_args_t *);
1090 int ndmpd_zfs_post_restore(ndmpd_zfs_args_t *);
1091 
1092 void ndmpd_zfs_dma_log(ndmpd_zfs_args_t *, ndmp_log_type, char *, ...);
1093 
1094 #endif /* _NDMPD_H */
1095