xref: /titanic_51/usr/src/cmd/ndmpd/ndmp/ndmpd.h (revision a23888a301b4822208e58d55cccf1b42c8e46cc7)
1 /*
2  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
3  */
4 
5 /*
6  * BSD 3 Clause License
7  *
8  * Copyright (c) 2007, The Storage Networking Industry Association.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 	- Redistributions of source code must retain the above copyright
14  *	  notice, this list of conditions and the following disclaimer.
15  *
16  * 	- Redistributions in binary form must reproduce the above copyright
17  *	  notice, this list of conditions and the following disclaimer in
18  *	  the documentation and/or other materials provided with the
19  *	  distribution.
20  *
21  *	- Neither the name of The Storage Networking Industry Association (SNIA)
22  *	  nor the names of its contributors may be used to endorse or promote
23  *	  products derived from this software without specific prior written
24  *	  permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 /* Copyright (c) 2007, The Storage Networking Industry Association. */
39 /* Copyright (c) 1996, 1997 PDC, Network Appliance. All Rights Reserved */
40 /* Copyright 2014 Nexenta Systems, Inc.  All rights reserved.  */
41 
42 #ifndef _NDMPD_H
43 #define	_NDMPD_H
44 
45 #include <sys/types.h>
46 #include <libzfs.h>
47 #include <ndmpd_door.h>
48 #include <libndmp.h>
49 #include "ndmpd_common.h"
50 #include "tlm_buffers.h"
51 #include <dirent.h>
52 #include "ndmpd_prop.h"
53 #include "traverse.h"
54 #include <pthread.h>
55 #include <libndmp.h>
56 #include <atomic.h>
57 
58 #define	MAX_RECORD_SIZE (126*512)
59 #define	REMOTE_RECORD_SIZE    (60*KILOBYTE)
60 #define	SCSI_MAX_NAME 32
61 #define	MD5_CHALLENGE_SIZE	64
62 #define	MD5_PASS_LIMIT		32
63 
64 /* Test unit ready */
65 #define	TUR_WAIT	3000000
66 #define	TUR_MAX_TRY	3
67 
68 
69 /* File handler classes */
70 #define	HC_CLIENT	1
71 #define	HC_MOVER	2
72 #define	HC_MODULE	4
73 #define	HC_ALL		0xffffffff
74 
75 #define	IN_ADDR(x) \
76 	(*(struct in_addr *)&x)
77 
78 #define	FS_READONLY(fs)		(hasmntopt(fs, "ro")  ? 1 :  0)
79 
80 typedef void *(*funct_t)(void *);	/* function pointer */
81 
82 #define	HOSTNAMELEN	256
83 
84 #define	VENDOR_NAME	"Sun Microsystems"
85 #define	PRODUCT_NAME	"Solaris 5.11"
86 
87 /*
88  * Calculate array length based on its size and size of
89  * its elements.
90  */
91 #define	ARRAY_LEN(a, t)	(sizeof (a) / sizeof (t))
92 /*
93  * Default maximum permitted sequence number for the token-based backup.
94  */
95 #define	NDMP_MAX_TOKSEQ	9
96 
97 /*
98  * Hard-limit for the sequence number in the token-based backup.
99  * It's one less than the ASCII value of 'A'.  The 'A' letter
100  * can be used as level in the lbr-type backups.
101  */
102 #define	NDMP_TOKSEQ_HLIMIT	('A' - 1)
103 
104 
105 /*
106  * Soft-limit for the sequence number in the token-based backup.
107  */
108 #define	NDMP_TOKSEQ_SLIMIT	(NDMP_TOKSEQ_HLIMIT - 5)
109 
110 
111 /*
112  * Root inode number of dump format in V2.
113  */
114 #define	ROOT_INODE	2
115 
116 /*
117  * NDMP backup image signature
118  */
119 #define	NDMPUTF8MAGIC "NDMPUTF8MAGIC"
120 
121 /*
122  * Supported BU types
123  */
124 #define	NDMP_TAR_TYPE	"tar"
125 #define	NDMP_DUMP_TYPE	"dump"
126 #define	NDMP_ZFS_TYPE	"zfs"
127 
128 /* All 1's binary maximum mover window */
129 #define	MAX_WINDOW_SIZE	0xffffffffffffffffULL
130 
131 #define	NDMP_FREE(cp)	{ free((char *)(cp)); (cp) = NULL; }
132 
133 #define	NDMP_YORN(f)	((f) ? 'Y' : 'N')
134 #define	NDMP_TORF(f)	((f) ? "TRUE" : "FALSE")
135 #define	NDMP_SVAL(cp)	((cp) ? (cp) : "NULL")
136 
137 #define	NDMP_SETENV(env, nm, val) \
138 	{ \
139 		env->name = nm; \
140 		env->value = val; \
141 		env++; \
142 	}
143 
144 #define	NDMP_CL_ADDR_LEN	24
145 #define	NDMP_TCP_ADDR_SIZE	32
146 #define	NDMP_TAPE_DEV_NAME	256
147 
148 typedef struct {
149 	char *bk_path;
150 	int bk_llevel; /* last backup level */
151 	time_t bk_ldate; /* last backup date */
152 	int bk_clevel;	/* current backup level */
153 	time_t bk_cdate; /* current backup date */
154 	int bk_map;
155 	int bk_dirino;
156 	char *bk_dmpnm;
157 	char **bk_exl; /* exlude list */
158 	char **bk_inc; /* include list */
159 } ndmp_backup_params_t;
160 
161 
162 typedef struct {
163 	ulong_t rs_nf;	/* number of files to restore */
164 	char *rs_path;
165 	char *rs_bkpath;
166 	int *rs_restored;
167 	int rs_bm;
168 	int rs_lastidx;
169 } ndmp_restore_params_t;
170 
171 /*
172  * Tar format archiving ops table
173  */
174 extern tm_ops_t tm_tar_ops;
175 
176 /*
177  * IS_LBR_BKTYPE shows if the backup type is one of these
178  * 'F' of 'f': 'Full' backup type.
179  * 'A' of 'a': 'Archive' backup type.
180  * 'I' of 'i': 'Incremental' backup type.
181  * 'D' of 'd': 'Differntial' backup type.
182  */
183 #define	IS_LBR_BKTYPE(t)	(((t) && strchr("FAID", toupper(t))) ? 1 : 0)
184 
185 
186 /*
187  * NLP flags.
188  */
189 #define	NLPF_CHKPNTED_PATH	(1 << 0)
190 #define	NLPF_FH			(1 << 1)
191 #define	NLPF_DIRECT		(1 << 2)
192 #define	NLPF_UPDATE		(1 << 3)
193 #define	NLPF_DUMP		(1 << 4)
194 #define	NLPF_TAR		(1 << 5)
195 #define	NLPF_ABORTED		(1 << 6)
196 #define	NLPF_TOKENBK		(1 << 8)
197 #define	NLPF_LBRBK		(1 << 9)
198 #define	NLPF_LEVELBK		(1 << 10)
199 #define	NLPF_IGNCTIME		(1 << 11)
200 #define	NLPF_INCLMTIME		(1 << 12)
201 #define	NLPF_RECURSIVE		(1 << 13)
202 
203 /*
204  * Macros on NLP flags.
205  */
206 #define	NLP_ISSET(n, f)	(((n)->nlp_flags & (f)) != 0)
207 #define	NLP_SET(n, f)	(n)->nlp_flags |= (f)
208 #define	NLP_UNSET(n, f)	(n)->nlp_flags &= ~(f)
209 
210 
211 #define	NLP_ISCHKPNTED(n)	NLP_ISSET(n, NLPF_CHKPNTED_PATH)
212 #define	NLP_SHOULD_UPDATE(n)	NLP_ISSET(n, NLPF_UPDATE)
213 #define	NLP_ISDUMP(n)		NLP_ISSET(n, NLPF_DUMP)
214 #define	NLP_ISTAR(n)		NLP_ISSET(n, NLPF_TAR)
215 #define	NLP_IGNCTIME(n)		NLP_ISSET(n, NLPF_IGNCTIME)
216 #define	NLP_INCLMTIME(n)	NLP_ISSET(n, NLPF_INCLMTIME)
217 
218 /*
219  * NDMP statistics
220  */
221 #define	NS_INC(s)	(atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s))
222 #define	NS_DEC(s)	(atomic_dec_32((volatile uint32_t *)&ndstat.ns_##s))
223 #define	NS_ADD(s, d)	(atomic_add_64((volatile uint64_t *)&ndstat.ns_##s, \
224 	(uint64_t)d))
225 #define	NS_UPD(s, t)	{ \
226 	atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s); \
227 	atomic_dec_32((volatile uint32_t *)&ndstat.ns_##t); \
228 	}
229 
230 #define	NLP_READY	1
231 
232 typedef struct ndmp_lbr_params {
233 	struct ndmpd_session *nlp_session;
234 	int nlp_flags;
235 
236 	ndmp_backup_params_t bk_params;
237 	ndmp_restore_params_t rs_params;
238 #define	nlp_backup_path	bk_params.bk_path
239 #define	nlp_llevel	bk_params.bk_llevel
240 #define	nlp_ldate	bk_params.bk_ldate
241 #define	nlp_clevel	bk_params.bk_clevel
242 #define	nlp_tokseq	nlp_clevel
243 #define	nlp_tokdate	nlp_ldate
244 #define	nlp_cdate	bk_params.bk_cdate
245 #define	nlp_bkmap	bk_params.bk_map
246 #define	nlp_bkdirino	bk_params.bk_dirino
247 #define	nlp_dmpnm	bk_params.bk_dmpnm
248 #define	nlp_exl		bk_params.bk_exl
249 #define	nlp_inc		bk_params.bk_inc
250 
251 #define	nlp_nfiles	rs_params.rs_nf
252 #define	nlp_restore_path	rs_params.rs_path
253 #define	nlp_restore_bk_path	rs_params.rs_bkpath
254 #define	nlp_restored	rs_params.rs_restored
255 #define	nlp_rsbm	rs_params.rs_bm
256 #define	nlp_lastidx	rs_params.rs_lastidx
257 
258 	ndmpd_module_params_t *nlp_params;
259 	tlm_job_stats_t *nlp_jstat;
260 	lbr_fhlog_call_backs_t *nlp_logcallbacks;
261 	tlm_commands_t nlp_cmds;
262 
263 	cond_t	nlp_cv;		/* for signaling a processed request */
264 	mutex_t nlp_mtx;	/* mutex to synchronize access to nlp_cv */
265 	u_longlong_t nlp_bytes_total;
266 } ndmp_lbr_params_t;
267 
268 
269 typedef struct mem_ndmp_name_v3 {
270 	char *nm3_opath;
271 	char *nm3_dpath;
272 	char *nm3_newnm;
273 	u_longlong_t nm3_node;
274 	u_longlong_t nm3_fh_info;
275 	ndmp_error nm3_err;
276 } mem_ndmp_name_v3_t;
277 
278 typedef struct ndmpd_file_handler {
279 	int fh_fd;
280 	ulong_t fh_mode;
281 	ulong_t fh_class;
282 	void *fh_cookie;
283 	ndmpd_file_handler_func_t *fh_func;
284 	struct ndmpd_file_handler *fh_next;
285 } ndmpd_file_handler_t;
286 
287 typedef struct ndmpd_session_scsi_desc {
288 	int sd_is_open;
289 	int sd_devid;
290 	boolean_t sd_valid_target_set;
291 	int sd_sid;
292 	int sd_lun;
293 	char sd_adapter_name[SCSI_MAX_NAME];
294 } ndmpd_session_scsi_desc_t;
295 
296 typedef struct ndmpd_session_tape_desc {
297 	int td_fd;			/* tape device file descriptor */
298 	ulong_t td_record_count;	/* number of records written */
299 	ndmp_tape_open_mode td_mode;	/* tape device open mode */
300 	u_longlong_t td_pos;	/* current position on the current tape */
301 	int td_sid;
302 	int td_lun;
303 	char td_adapter_name[SCSI_MAX_NAME];
304 } ndmpd_session_tape_desc_t;
305 
306 typedef struct ndmpd_session_mover_desc {
307 	ndmp_mover_state md_state;	/* current state */
308 	ndmp_mover_mode md_mode;	/* current mode */
309 	ndmp_mover_pause_reason md_pause_reason;	/* current reason */
310 	ndmp_mover_halt_reason md_halt_reason;	/* current reason */
311 	u_longlong_t md_data_written;	/* total written to tape */
312 	u_longlong_t md_seek_position;	/* current seek position */
313 	u_longlong_t md_bytes_left_to_read; /* #bytes to end of seek window */
314 	u_longlong_t md_window_offset;	/* valid data window begin */
315 	u_longlong_t md_window_length;	/* valid data window length */
316 	u_longlong_t md_position;	/* current data stream pos */
317 	boolean_t md_pre_cond;		/* used for precondition checks */
318 	ulong_t md_record_size;	/* tape I/O record size */
319 	ulong_t md_record_num;	/* current record num */
320 	int md_listen_sock;		/* data conn listen socket */
321 	int md_sock;		/* data conn socket */
322 	ulong_t md_r_index;		/* buffer read  index */
323 	ulong_t md_w_index;		/* buffer write index */
324 	char *md_buf;		/* data buffer */
325 	/*
326 	 * V2 fields.
327 	 */
328 	ulong_t md_discard_length;	/* bytes to discard */
329 
330 	/*
331 	 * V3 fields.
332 	 */
333 	ndmp_addr_v3 md_data_addr;
334 	/*
335 	 * V4 fields.
336 	 */
337 	ndmp_addr_v4 md_data_addr_v4;
338 } ndmpd_session_mover_desc_t;
339 
340 
341 typedef struct ndmpd_session_data_module {
342 	void *dm_module_cookie;	/* sent as abort_func param */
343 	module_start_func_t *dm_start_func;	/* start function */
344 	module_abort_func_t *dm_abort_func;	/* abort function */
345 	ndmpd_module_stats dm_stats;	/* statistics buffer */
346 } ndmpd_session_data_module_t;
347 
348 typedef struct ndmpd_session_data_desc {
349 	/*
350 	 * Common fields.
351 	 */
352 	ndmp_data_operation dd_operation;	/* current operation */
353 	boolean_t dd_abort;		/* abort operation flag */
354 	boolean_t dd_io_ready;		/* mover sock read for I/O */
355 	ndmp_pval *dd_env;	/* environment from backup or recover request */
356 	ulong_t dd_env_len;		/* environment length */
357 	ulong_t dd_nlist_len;	/* recover file list length */
358 	int dd_sock;		/* listen and data socket */
359 	u_longlong_t dd_read_offset;	/* data read seek offset */
360 	u_longlong_t dd_read_length;	/* data read length */
361 	u_longlong_t dd_data_size;	/* data size to be backed up */
362 	ndmpd_session_data_module_t dd_module;
363 
364 	ndmp_data_state dd_state;	/* current state */
365 	ndmp_data_halt_reason dd_halt_reason;		/* current reason */
366 	/*
367 	 * V2 fields.
368 	 */
369 	ndmp_name *dd_nlist;	/* recover file list */
370 	ndmp_mover_addr dd_mover;	/* mover address */
371 	/*
372 	 * V3 fields.
373 	 */
374 	mem_ndmp_name_v3_t *dd_nlist_v3;
375 	ndmp_addr_v3 dd_data_addr;
376 	int dd_listen_sock;	/* socket for listening for remote */
377 				/* mover connections */
378 	u_longlong_t dd_bytes_left_to_read;
379 	u_longlong_t dd_position;
380 	u_longlong_t dd_discard_length;
381 	/*
382 	 * V4 fields.
383 	 */
384 	ndmp_addr_v4 dd_data_addr_v4;
385 } ndmpd_session_data_desc_t;
386 
387 typedef struct ndmpd_session_file_history {
388 	ndmp_fh_unix_path *fh_path_entries;
389 	ndmp_fh_unix_dir *fh_dir_entries;
390 	ndmp_fh_unix_node *fh_node_entries;
391 	char *fh_path_name_buf;
392 	char *fh_dir_name_buf;
393 	ulong_t fh_path_index;
394 	ulong_t fh_dir_index;
395 	ulong_t fh_node_index;
396 	ulong_t fh_path_name_buf_index;
397 	ulong_t fh_dir_name_buf_index;
398 } ndmpd_session_file_history_t;
399 
400 typedef struct ndmpd_session_file_history_v3 {
401 	ndmp_file_v3 *fh_files;
402 	ndmp_dir_v3 *fh_dirs;
403 	ndmp_node_v3 *fh_nodes;
404 	ndmp_file_name_v3 *fh_file_names;
405 	ndmp_file_name_v3 *fh_dir_names;
406 	ndmp_file_stat_v3 *fh_file_stats;
407 	ndmp_file_stat_v3 *fh_node_stats;
408 	char *fh_file_name_buf;
409 	char *fh_dir_name_buf;
410 	ulong_t fh_file_index;
411 	ulong_t fh_dir_index;
412 	ulong_t fh_node_index;
413 	ulong_t fh_file_name_buf_index;
414 	ulong_t fh_dir_name_buf_index;
415 } ndmpd_session_file_history_v3_t;
416 
417 /*
418  * zfs-based backup (zfs send/recv)
419  */
420 
421 typedef enum {
422 	NDMPD_ZFS_MAJOR_0,
423 } ndmpd_zfs_major_t;
424 
425 typedef enum {
426 	NDMPD_ZFS_MINOR_0,
427 } ndmpd_zfs_minor_t;
428 
429 typedef enum {
430 	NDMPD_ZFS_PROP_MAJOR_0,
431 } ndmpd_zfs_prop_major_t;
432 
433 typedef enum {
434 	NDMPD_ZFS_PROP_MINOR_0,
435 } ndmpd_zfs_prop_minor_t;
436 
437 #define	NDMPD_ZFS_MAJOR_VERSION NDMPD_ZFS_MAJOR_0
438 #define	NDMPD_ZFS_MINOR_VERSION NDMPD_ZFS_MINOR_0
439 #define	NDMPD_ZFS_PROP_MAJOR_VERSION NDMPD_ZFS_PROP_MAJOR_0
440 #define	NDMPD_ZFS_PROP_MINOR_VERSION NDMPD_ZFS_PROP_MINOR_0
441 
442 #pragma pack(1)
443 typedef struct {
444 	char nzh_magic[14]; /* NDMPUTF8MAGIC\0 */
445 	uint32_t nzh_major; /* major version */
446 	uint32_t nzh_minor; /* minor version */
447 	uint32_t nzh_hdrlen; /* length of hdr in bytes including magic */
448 	/* future extensions */
449 } ndmpd_zfs_header_t;
450 #pragma pack()
451 
452 #define	PIPE_TAPE 0
453 #define	PIPE_ZFS 1
454 
455 #define	NDMPD_ZFS_DMP_NAME_MAX 32
456 
457 typedef struct ndmpd_zfs_args {
458 	zfs_type_t nz_type;			/* type of ZFS dataset */
459 	char nz_dataset[ZFS_MAXNAMELEN];	/* dataset name */
460 	char nz_snapname[ZFS_MAXNAMELEN];	/* snapname (following '@') */
461 	char nz_fromsnap[ZFS_MAXNAMELEN];	/* snap of L-1 bkup */
462 	char nz_snapprop[ZFS_MAXPROPLEN];	/* contents of snap incr prop */
463 	boolean_t nz_ndmpd_snap;		/* ndmpd-generated snap? */
464 
465 	pthread_t nz_sendrecv_thread;		/* thread for send/recv */
466 	pthread_t nz_tape_thread;		/* thread for tape r/w */
467 	int32_t nz_pipe_fd[2];			/* pipe for above 2 threads */
468 	int32_t nz_bufsize;			/* tape r/w buf size */
469 	int64_t nz_window_len;			/* DMA window length */
470 
471 	int nz_level;				/* val of LEVEL env var */
472 	char nz_zfs_mode;			/* val of ZFS_MODE env var */
473 	boolean_t nz_zfs_force;			/* val of ZFS_FORCE env var */
474 	boolean_t nz_update;			/* val of UPDATE env var */
475 	char nz_dmp_name[NDMPD_ZFS_DMP_NAME_MAX]; /* val of DMP_NAME env var */
476 	u_longlong_t nz_zfs_backup_size;	/* used for restore only */
477 
478 	ndmpd_module_params_t nz_params;
479 	ndmp_lbr_params_t *nz_nlp;
480 	libzfs_handle_t *nz_zlibh;		/* session-specific lzfs hdl */
481 	ndmp_context_t nz_nctx;			/* used by plugin */
482 
483 	ndmpd_zfs_header_t nz_tape_header;	/* tape hdr for "zfs" backup */
484 } ndmpd_zfs_args_t;
485 
486 #define	ndmpd_zfs_params (&(ndmpd_zfs_args)->nz_params)
487 
488 typedef struct ndmpd_session {
489 	ndmp_connection_t *ns_connection;	/* NDMP connection to client */
490 	boolean_t ns_eof;		/* connection EOF flag */
491 	ushort_t ns_protocol_version;	/* connection protocol version */
492 	ndmpd_session_scsi_desc_t ns_scsi;
493 	ndmpd_session_tape_desc_t ns_tape;
494 	ndmpd_session_mover_desc_t ns_mover;
495 	ndmpd_session_data_desc_t ns_data;
496 	ndmpd_session_file_history_t ns_fh;
497 	ndmpd_file_handler_t *ns_file_handler_list; /* for I/O multiplexing */
498 	int ns_nref;
499 	ndmp_lbr_params_t *ns_ndmp_lbr_params;
500 	struct ndmpd_zfs_args ns_ndmpd_zfs_args;
501 	ndmpd_backup_type_t ns_butype;
502 	mutex_t ns_lock;
503 
504 	/*
505 	 * NDMP V3
506 	 * Tape, SCSI, mover, data and file handlers will
507 	 * be shared between V2 and V3.
508 	 */
509 	ndmpd_session_file_history_v3_t ns_fh_v3;
510 	unsigned char ns_challenge[MD5_CHALLENGE_SIZE];  /* For MD5 */
511 
512 	/*
513 	 * NDMP V4 related data
514 	 */
515 	boolean_t ns_set_ext_list;
516 
517 	/* handling of hardlink, hardlink queue head */
518 	struct hardlink_q *hardlink_q;
519 } ndmpd_session_t;
520 
521 
522 /*
523  * NDMP request handler functions.
524  */
525 
526 /* Config */
527 ndmp_msg_handler_func_t ndmpd_config_get_host_info_v2;
528 ndmp_msg_handler_func_t ndmpd_config_get_butype_attr_v2;
529 ndmp_msg_handler_func_t ndmpd_config_get_mover_type_v2;
530 ndmp_msg_handler_func_t ndmpd_config_get_auth_attr_v2;
531 
532 ndmp_msg_handler_func_t ndmpd_config_get_host_info_v3;
533 ndmp_msg_handler_func_t ndmpd_config_get_butype_info_v3;
534 ndmp_msg_handler_func_t ndmpd_config_get_connection_type_v3;
535 ndmp_msg_handler_func_t ndmpd_config_get_auth_attr_v3;
536 ndmp_msg_handler_func_t ndmpd_config_get_fs_info_v3;
537 ndmp_msg_handler_func_t ndmpd_config_get_tape_info_v3;
538 ndmp_msg_handler_func_t ndmpd_config_get_scsi_info_v3;
539 ndmp_msg_handler_func_t ndmpd_config_get_server_info_v3;
540 
541 ndmp_msg_handler_func_t ndmpd_config_get_butype_info_v4;
542 ndmp_msg_handler_func_t ndmpd_config_get_ext_list_v4;
543 ndmp_msg_handler_func_t ndmpd_config_set_ext_list_v4;
544 
545 
546 /* Scsi */
547 ndmp_msg_handler_func_t ndmpd_scsi_open_v2;
548 ndmp_msg_handler_func_t ndmpd_scsi_close_v2;
549 ndmp_msg_handler_func_t ndmpd_scsi_get_state_v2;
550 ndmp_msg_handler_func_t ndmpd_scsi_set_target_v2;
551 ndmp_msg_handler_func_t ndmpd_scsi_reset_device_v2;
552 ndmp_msg_handler_func_t ndmpd_scsi_reset_bus_v2;
553 ndmp_msg_handler_func_t ndmpd_scsi_execute_cdb_v2;
554 
555 ndmp_msg_handler_func_t ndmpd_scsi_open_v3;
556 ndmp_msg_handler_func_t ndmpd_scsi_set_target_v3;
557 
558 
559 /* Tape */
560 ndmp_msg_handler_func_t ndmpd_tape_open_v2;
561 ndmp_msg_handler_func_t ndmpd_tape_close_v2;
562 ndmp_msg_handler_func_t ndmpd_tape_get_state_v2;
563 ndmp_msg_handler_func_t ndmpd_tape_mtio_v2;
564 ndmp_msg_handler_func_t ndmpd_tape_write_v2;
565 ndmp_msg_handler_func_t ndmpd_tape_read_v2;
566 ndmp_msg_handler_func_t ndmpd_tape_execute_cdb_v2;
567 
568 ndmp_msg_handler_func_t ndmpd_tape_open_v3;
569 ndmp_msg_handler_func_t ndmpd_tape_get_state_v3;
570 ndmp_msg_handler_func_t ndmpd_tape_write_v3;
571 ndmp_msg_handler_func_t ndmpd_tape_read_v3;
572 
573 
574 ndmp_msg_handler_func_t ndmpd_tape_close_v4;
575 /* Data */
576 ndmp_msg_handler_func_t ndmpd_data_get_state_v2;
577 ndmp_msg_handler_func_t ndmpd_data_start_backup_v2;
578 ndmp_msg_handler_func_t ndmpd_data_start_recover_v2;
579 ndmp_msg_handler_func_t ndmpd_data_get_env_v2;
580 ndmp_msg_handler_func_t ndmpd_data_stop_v2;
581 ndmp_msg_handler_func_t ndmpd_data_abort_v2;
582 
583 ndmp_msg_handler_func_t ndmpd_data_get_state_v3;
584 ndmp_msg_handler_func_t ndmpd_data_connect_v3;
585 ndmp_msg_handler_func_t ndmpd_data_listen_v3;
586 ndmp_msg_handler_func_t ndmpd_data_stop_v3;
587 ndmp_msg_handler_func_t ndmpd_data_abort_v3;
588 ndmp_msg_handler_func_t ndmpd_data_start_recover_v3;
589 ndmp_msg_handler_func_t ndmpd_data_start_backup_v3;
590 
591 ndmp_msg_handler_func_t ndmpd_data_get_env_v4;
592 ndmp_msg_handler_func_t ndmpd_data_get_state_v4;
593 ndmp_msg_handler_func_t ndmpd_data_connect_v4;
594 ndmp_msg_handler_func_t ndmpd_data_listen_v4;
595 ndmp_msg_handler_func_t ndmpd_data_start_recover_filehist_v4;
596 
597 
598 /* Connect */
599 ndmp_msg_handler_func_t ndmpd_connect_open_v2;
600 ndmp_msg_handler_func_t ndmpd_connect_client_auth_v2;
601 ndmp_msg_handler_func_t ndmpd_connect_server_auth_v2;
602 ndmp_msg_handler_func_t ndmpd_connect_close_v2;
603 
604 ndmp_msg_handler_func_t ndmpd_connect_client_auth_v3;
605 ndmp_msg_handler_func_t ndmpd_connect_close_v3;
606 
607 
608 /* Mover */
609 ndmp_msg_handler_func_t ndmpd_mover_get_state_v2;
610 ndmp_msg_handler_func_t ndmpd_mover_listen_v2;
611 ndmp_msg_handler_func_t ndmpd_mover_continue_v2;
612 ndmp_msg_handler_func_t ndmpd_mover_abort_v2;
613 ndmp_msg_handler_func_t ndmpd_mover_stop_v2;
614 ndmp_msg_handler_func_t ndmpd_mover_set_window_v2;
615 ndmp_msg_handler_func_t ndmpd_mover_read_v2;
616 ndmp_msg_handler_func_t ndmpd_mover_close_v2;
617 ndmp_msg_handler_func_t ndmpd_mover_set_record_size_v2;
618 
619 ndmp_msg_handler_func_t ndmpd_mover_get_state_v3;
620 ndmp_msg_handler_func_t ndmpd_mover_listen_v3;
621 ndmp_msg_handler_func_t ndmpd_mover_continue_v3;
622 ndmp_msg_handler_func_t ndmpd_mover_abort_v3;
623 ndmp_msg_handler_func_t ndmpd_mover_set_window_v3;
624 ndmp_msg_handler_func_t ndmpd_mover_read_v3;
625 ndmp_msg_handler_func_t ndmpd_mover_set_record_size_v3;
626 ndmp_msg_handler_func_t ndmpd_mover_connect_v3;
627 
628 
629 ndmp_msg_handler_func_t ndmpd_mover_get_state_v4;
630 ndmp_msg_handler_func_t ndmpd_mover_listen_v4;
631 ndmp_msg_handler_func_t ndmpd_mover_connect_v4;
632 
633 
634 /*
635  * Backup/recover module API functions.
636  */
637 ndmpd_get_env_func_t ndmpd_api_get_env;
638 ndmpd_add_env_func_t ndmpd_api_add_env;
639 ndmpd_add_env_func_t ndmpd_api_set_env;
640 ndmpd_get_name_func_t ndmpd_api_get_name;
641 ndmpd_dispatch_func_t ndmpd_api_dispatch;
642 ndmpd_done_func_t ndmpd_api_done_v2;
643 
644 
645 ndmpd_write_func_t ndmpd_api_write_v2;
646 ndmpd_file_history_path_func_t ndmpd_api_file_history_path_v2;
647 ndmpd_file_history_dir_func_t ndmpd_api_file_history_dir_v2;
648 ndmpd_file_history_node_func_t ndmpd_api_file_history_node_v2;
649 ndmpd_read_func_t ndmpd_api_read_v2;
650 ndmpd_seek_func_t ndmpd_api_seek_v2;
651 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v2;
652 ndmpd_add_file_handler_func_t ndmpd_api_add_file_handler;
653 ndmpd_remove_file_handler_func_t ndmpd_api_remove_file_handler;
654 
655 
656 /*
657  * NDMP V3
658  */
659 ndmpd_done_func_t ndmpd_api_done_v3;
660 ndmpd_write_func_t ndmpd_api_write_v3;
661 ndmpd_read_func_t ndmpd_api_read_v3;
662 ndmpd_seek_func_t ndmpd_api_seek_v3;
663 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v3;
664 ndmpd_get_name_func_t ndmpd_api_get_name_v3;
665 ndmpd_file_history_path_func_t ndmpd_api_file_history_file_v3;
666 ndmpd_file_history_dir_func_t ndmpd_api_file_history_dir_v3;
667 ndmpd_file_history_node_func_t ndmpd_api_file_history_node_v3;
668 
669 /*
670  * NDMP V4
671  */
672 ndmpd_log_func_v3_t ndmpd_api_log_v4;
673 ndmpd_file_recovered_func_t ndmpd_api_file_recovered_v4;
674 
675 #ifndef NO_NDMP_API_LOG_PROTOTYPES
676 ndmpd_log_func_t ndmpd_api_log_v2;
677 ndmpd_log_func_v3_t ndmpd_api_log_v3;
678 #endif /* NO_NDMP_API_LOG_PROTOTYPES */
679 
680 typedef void ndmpd_func_t(ndmp_connection_t *, void *);
681 
682 /*
683  * pthread call arg parameters
684  */
685 typedef struct {
686 	int nw_sock;
687 	long nw_ipaddr;
688 	ndmp_con_handler_func_t nw_con_handler_func;
689 } ndmpd_worker_arg_t;
690 
691 typedef struct {
692 	char *br_jname;
693 	ndmp_lbr_params_t *br_nlp;
694 	tlm_commands_t *br_cmds;
695 	pthread_barrier_t br_barrier;
696 } backup_reader_arg_t;
697 
698 typedef struct {
699 	ndmpd_session_t *tr_session;
700 	ndmpd_module_params_t *tr_mod_params;
701 	tlm_commands_t *tr_cmds;
702 } ndmp_tar_reader_arg_t;
703 
704 typedef struct {
705 	ndmpd_session_t *bs_session;
706 	char *bs_jname;
707 	char *bs_path;
708 } ndmp_bkup_size_arg_t;
709 
710 /*
711  * Variables from ndmpd_comm.c
712  */
713 extern int ndmp_ver;
714 extern int ndmp_full_restore_path;
715 extern int ndmp_dar_support;
716 extern int ndmp_port;
717 extern ndmp_stat_t ndstat;
718 
719 extern void ndmpd_main(void);
720 extern void connection_handler(ndmp_connection_t *);
721 extern void ndmpd_audit_backup(ndmp_connection_t *conn, char *path,
722     int dest, char *local_path, int result);
723 extern void ndmpd_audit_restore(ndmp_connection_t *conn,
724     char *path, int dest, char *local_path, int result);
725 extern void ndmpd_audit_connect(ndmp_connection_t *conn,
726     int result);
727 extern void ndmpd_audit_disconnect(ndmp_connection_t *conn);
728 
729 /* Variables from ndmpd_main.c */
730 extern	libzfs_handle_t	*zlibh;
731 extern	mutex_t	zlib_mtx;
732 
733 /*
734  * Utility from ndmpd_connect.c.
735  */
736 extern int ndmp_connect_list_add(ndmp_connection_t *, int *);
737 extern int ndmp_connect_list_del(ndmp_connection_t *);
738 extern int ndmpd_connect_kill_id(int);
739 extern void ndmp_connect_list_get(ndmp_door_ctx_t *);
740 extern void ndmpd_get_devs(ndmp_door_ctx_t *);
741 
742 /*
743  * Utility functions form ndmpd_data.c.
744  */
745 extern void ndmpd_data_cleanup(ndmpd_session_t *);
746 extern int ndmpd_data_init(ndmpd_session_t *);
747 extern char *ndmp_data_get_mover_mode(ndmpd_session_t *);
748 extern void ndmpd_data_error(ndmpd_session_t *, ndmp_data_halt_reason);
749 
750 
751 /*
752  * Utility functions from ndmpd_mover.c.
753  */
754 extern int ndmpd_mover_init(ndmpd_session_t *);
755 extern void ndmpd_mover_cleanup(ndmpd_session_t *);
756 extern ndmp_error ndmpd_mover_connect(ndmpd_session_t *,
757     ndmp_mover_mode);
758 extern void ndmpd_mover_error(ndmpd_session_t *,
759     ndmp_mover_halt_reason);
760 extern int ndmpd_mover_seek(ndmpd_session_t *,
761     u_longlong_t,
762     u_longlong_t);
763 extern int ndmpd_local_write(ndmpd_session_t *,
764     char *,
765     ulong_t);
766 extern int ndmpd_remote_write(ndmpd_session_t *,
767     char *,
768     ulong_t);
769 extern int ndmpd_local_read(ndmpd_session_t *,
770     char *,
771     ulong_t);
772 extern int ndmpd_remote_read(ndmpd_session_t *,
773     char *,
774     ulong_t);
775 
776 extern void ndmpd_mover_shut_down(ndmpd_session_t *);
777 extern void ndmpd_mover_error(ndmpd_session_t *,
778     ndmp_mover_halt_reason);
779 extern int ndmpd_local_write_v3(ndmpd_session_t *,
780     char *,
781     ulong_t);
782 extern int ndmpd_local_read_v3(ndmpd_session_t *,
783     char *,
784     ulong_t);
785 extern int ndmpd_remote_read_v3(ndmpd_session_t *,
786     char *,
787     ulong_t);
788 
789 
790 /*
791  * Utility functions from ndmpd_file_history.c
792  */
793 extern void ndmpd_file_history_init(ndmpd_session_t *);
794 extern void ndmpd_file_history_cleanup(ndmpd_session_t *,
795     boolean_t);
796 extern int ndmpd_file_history_path(lbr_fhlog_call_backs_t *,
797     char *,
798     struct stat64 *,
799     u_longlong_t);
800 extern int ndmpd_file_history_dir(lbr_fhlog_call_backs_t *,
801     char *,
802     struct stat64 *);
803 extern int ndmpd_file_history_node(lbr_fhlog_call_backs_t *,
804     char *,
805     char *,
806     struct stat64 *,
807     u_longlong_t);
808 extern int
809 ndmpd_path_restored(lbr_fhlog_call_backs_t *,
810     char *,
811     struct stat64 *,
812     u_longlong_t);
813 extern int ndmpd_fhpath_v3_cb(lbr_fhlog_call_backs_t *,
814     char *,
815     struct stat64 *,
816     u_longlong_t);
817 extern int ndmpd_fhdir_v3_cb(lbr_fhlog_call_backs_t *,
818     char *,
819     struct stat64 *);
820 extern int ndmpd_fhnode_v3_cb(lbr_fhlog_call_backs_t *,
821     char *,
822     char *,
823     struct stat64 *,
824     u_longlong_t);
825 extern int ndmpd_path_restored_v3(lbr_fhlog_call_backs_t *,
826     char *,
827     struct stat64 *,
828     u_longlong_t);
829 
830 extern int ndmp_send_recovery_stat_v3(ndmpd_module_params_t *,
831     ndmp_lbr_params_t *,
832     int,
833     int);
834 
835 
836 /*
837  * Utility functions from ndmpd_dtime.c
838  */
839 extern int ndmpd_put_dumptime(char *, int, time_t);
840 extern int ndmpd_get_dumptime(char *, int *, time_t *);
841 extern int ndmpd_append_dumptime(char *, char *, int, time_t);
842 
843 
844 /*
845  * Global variables from ndmpd_tar3.c
846  */
847 extern char **ndmp_excl_list;
848 
849 
850 /*
851  * Global variables from ndmpd_util.c
852  */
853 extern int ndmp_force_bk_dirs;
854 extern int ndmp_rbs;
855 extern int ndmp_sbs;
856 extern boolean_t ndmp_dump_path_node;
857 extern boolean_t ndmp_tar_path_node;
858 extern boolean_t ndmp_ignore_ctime;
859 extern boolean_t ndmp_include_lmtime;
860 
861 
862 /*
863  * Utility functions from ndmpd_util.c.
864  */
865 extern int ndmpd_select(ndmpd_session_t *,
866     boolean_t,
867     ulong_t);
868 
869 extern ndmp_error ndmpd_save_env(ndmpd_session_t *,
870     ndmp_pval *,
871     ulong_t);
872 
873 extern void ndmpd_free_env(ndmpd_session_t *);
874 extern ndmp_error ndmpd_save_nlist_v2(ndmpd_session_t *,
875     ndmp_name *,
876     ulong_t);
877 
878 extern void ndmpd_free_nlist(ndmpd_session_t *);
879 extern int ndmpd_add_file_handler(ndmpd_session_t *,
880     void *,
881     int,
882     ulong_t,
883     ulong_t,
884     ndmpd_file_handler_func_t *);
885 
886 extern int ndmpd_remove_file_handler(ndmpd_session_t *,
887     int);
888 
889 extern void ndmp_send_reply(ndmp_connection_t *,
890     void *,
891     char *);
892 
893 extern int ndmp_mtioctl(int, int, int);
894 
895 extern u_longlong_t quad_to_long_long(ndmp_u_quad);
896 extern ndmp_u_quad long_long_to_quad(u_longlong_t);
897 
898 extern void ndmp_set_socket_nodelay(int);
899 extern void ndmp_set_socket_snd_buf(int, int);
900 extern void ndmp_set_socket_rcv_buf(int, int);
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 extern boolean_t set_debug_level(boolean_t);
977 extern boolean_t get_debug_level(void);
978 
979 extern int get_zfsvolname(char *, int, char *);
980 extern int ndmp_create_snapshot(char *, char *);
981 extern int ndmp_remove_snapshot(char *, char *);
982 extern int ndmpd_mark_inodes_v2(ndmpd_session_t *, ndmp_lbr_params_t *);
983 extern void ndmpd_abort_marking_v2(ndmpd_session_t *);
984 extern int ndmpd_mark_inodes_v3(ndmpd_session_t *, ndmp_lbr_params_t *);
985 extern ndmp_lbr_params_t *ndmp_get_nlp(void *);
986 
987 module_start_func_t ndmpd_tar_backup_starter;
988 module_abort_func_t ndmpd_tar_backup_abort;
989 
990 module_start_func_t ndmpd_tar_restore_starter;
991 module_abort_func_t ndmpd_tar_restore_abort;
992 
993 module_start_func_t ndmpd_tar_backup_starter_v3;
994 module_abort_func_t ndmpd_tar_backup_abort_v3;
995 
996 module_start_func_t ndmpd_tar_restore_starter_v3;
997 module_abort_func_t ndmpd_tar_restore_abort_v3;
998 
999 extern int ndmp_backup_extract_params(ndmpd_session_t *,
1000     ndmpd_module_params_t *);
1001 extern int ndmp_restore_extract_params(ndmpd_session_t *,
1002     ndmpd_module_params_t *);
1003 extern int ndmp_tar_reader(ndmp_tar_reader_arg_t *);
1004 
1005 extern int tape_open(char *, int);
1006 extern int tape_is_at_bot(ndmpd_session_t *);
1007 extern int tape_is_at_bof(ndmpd_session_t *);
1008 extern void fm_dance(ndmpd_session_t *);
1009 
1010 extern void ndmp_session_ref(ndmpd_session_t *);
1011 extern void ndmp_session_unref(ndmpd_session_t *);
1012 
1013 void ndmpd_get_file_entry_type(int, ndmp_file_type *);
1014 
1015 extern int tcp_accept(int, unsigned int *);
1016 extern int tcp_get_peer(int, unsigned int *, int *);
1017 
1018 extern char *gethostaddr(void);
1019 extern char *get_default_nic_addr(void);
1020 extern int tlm_init(void);
1021 
1022 extern int snapshot_create(char *, char *, boolean_t, boolean_t);
1023 extern int snapshot_destroy(char *, char *, boolean_t, boolean_t, int *);
1024 
1025 extern boolean_t fs_is_chkpntvol(char *);
1026 extern boolean_t fs_is_chkpnt_enabled(char *);
1027 extern boolean_t fs_is_rdonly(char *);
1028 extern boolean_t fs_volexist(char *);
1029 extern boolean_t fs_is_valid_logvol(char *);
1030 extern boolean_t rootfs_dot_or_dotdot(char *);
1031 extern int dp_readdir(DIR *, unsigned long *, char *,
1032     int *, unsigned long *);
1033 
1034 extern void scsi_find_sid_lun();
1035 extern char *sasd_slink_name();
1036 extern int scsi_dev_exists(char *, int, int);
1037 extern int scsi_get_devtype(char *, int, int);
1038 extern struct open_list *ndmp_open_list_find(char *, int, int);
1039 extern int filecopy(char *, char *);
1040 
1041 extern void ndmp_stop_local_reader();
1042 extern void ndmp_stop_remote_reader();
1043 
1044 extern boolean_t match(char *, char *);
1045 extern char *trim_whitespace(char *);
1046 extern int fs_getstat(char *, struct fs_fhandle *, struct stat64 *);
1047 extern int fs_readdir(struct fs_fhandle *, char *, long *,
1048     char *, int *, struct fs_fhandle *, struct stat64 *);
1049 extern int iscreated(ndmp_lbr_params_t *nlp, char *name, tlm_acls_t *tacl,
1050     time_t t);
1051 
1052 extern int sasd_dev_count(void);
1053 extern struct scsi_link *sasd_dev_slink(int);
1054 extern struct sasd_drive *sasd_drive(int);
1055 extern void *ndmp_malloc(size_t size);
1056 
1057 extern ndmp_plugin_t *ndmp_pl;
1058 
1059 #define	NDMP_APILOG(s, t, m, ...) \
1060 { \
1061 	if (((ndmpd_session_t *)(s))->ns_protocol_version == NDMPV4) \
1062 		(void) ndmpd_api_log_v4(s, t, m, __VA_ARGS__); \
1063 	else if (((ndmpd_session_t *)(s))->ns_protocol_version == NDMPV3) \
1064 		(void) ndmpd_api_log_v3(s, t, m, __VA_ARGS__); \
1065 	else \
1066 		(void) ndmpd_api_log_v2(s, __VA_ARGS__); \
1067 }
1068 
1069 /*
1070  * Backup path utility functions
1071  */
1072 extern char *get_backup_path_v3(ndmpd_module_params_t *);
1073 extern char *get_backup_path_v2(ndmpd_module_params_t *);
1074 
1075 /*
1076  * Functions for zfs-based backup
1077  */
1078 
1079 module_start_func_t ndmpd_zfs_backup_starter;
1080 module_start_func_t ndmpd_zfs_restore_starter;
1081 module_abort_func_t ndmpd_zfs_abort;
1082 
1083 int ndmpd_zfs_init(ndmpd_session_t *);
1084 void ndmpd_zfs_fini(ndmpd_zfs_args_t *);
1085 
1086 boolean_t ndmpd_zfs_backup_parms_valid(ndmpd_zfs_args_t *);
1087 boolean_t ndmpd_zfs_restore_parms_valid(ndmpd_zfs_args_t *);
1088 
1089 int ndmpd_zfs_pre_backup(ndmpd_zfs_args_t *);
1090 int ndmpd_zfs_pre_restore(ndmpd_zfs_args_t *);
1091 int ndmpd_zfs_post_backup(ndmpd_zfs_args_t *);
1092 int ndmpd_zfs_post_restore(ndmpd_zfs_args_t *);
1093 
1094 void ndmpd_zfs_dma_log(ndmpd_zfs_args_t *, ndmp_log_type, char *, ...);
1095 
1096 #endif /* _NDMPD_H */
1097