xref: /illumos-gate/usr/src/cmd/mdb/common/modules/smbsrv/smbsrv.c (revision 94047d49916b669576decf2f622a1ee718646882)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2017 Nexenta Systems, Inc. All rights reserved.
25  */
26 
27 #include <mdb/mdb_modapi.h>
28 #include <mdb/mdb_ks.h>
29 #include <mdb/mdb_ctf.h>
30 #include <sys/note.h>
31 #include <sys/thread.h>
32 #include <sys/taskq.h>
33 #include <smbsrv/smb_vops.h>
34 #include <smbsrv/smb.h>
35 #include <smbsrv/smb_ktypes.h>
36 #include <smbsrv/smb_token.h>
37 #include <smbsrv/smb_oplock.h>
38 
39 #ifndef _KMDB
40 #include "smbsrv_pcap.h"
41 #endif
42 
43 #ifdef _KERNEL
44 #define	SMBSRV_OBJNAME	"smbsrv"
45 #else
46 #define	SMBSRV_OBJNAME	"libfksmbsrv.so.1"
47 #endif
48 
49 #define	SMBSRV_SCOPE	SMBSRV_OBJNAME "`"
50 
51 #define	SMB_DCMD_INDENT		2
52 #define	ACE_TYPE_TABLEN		(ACE_ALL_TYPES + 1)
53 #define	ACE_TYPE_ENTRY(_v_)	{_v_, #_v_}
54 #define	SMB_COM_ENTRY(_v_, _x_)	{#_v_, _x_}
55 
56 #define	SMB_MDB_MAX_OPTS	10
57 
58 #define	SMB_OPT_SERVER		0x00000001
59 #define	SMB_OPT_SESSION		0x00000002
60 #define	SMB_OPT_REQUEST		0x00000004
61 #define	SMB_OPT_USER		0x00000008
62 #define	SMB_OPT_TREE		0x00000010
63 #define	SMB_OPT_OFILE		0x00000020
64 #define	SMB_OPT_ODIR		0x00000040
65 #define	SMB_OPT_WALK		0x00000100
66 #define	SMB_OPT_VERBOSE		0x00000200
67 #define	SMB_OPT_ALL_OBJ		0x000000FF
68 
69 /*
70  * Use CTF to set var = OFFSETOF(typ, mem) if possible, otherwise
71  * fall back to just OFFSETOF.  The fall back is more convenient
72  * than trying to return an error where this is used, and also
73  * let's us find out at compile time if we're referring to any
74  * typedefs or member names that don't exist.  Without that
75  * OFFSETOF fall back, we'd only find out at run time.
76  */
77 #define	GET_OFFSET(var, typ, mem) do {				\
78 	var = mdb_ctf_offsetof_by_name(#typ, #mem);		\
79 	if (var < 0) {						\
80 		mdb_warn("cannot lookup: " #typ " ." #mem);	\
81 		var = (int)OFFSETOF(typ, mem);			\
82 	}							\
83 _NOTE(CONSTCOND) } while (0)
84 
85 /*
86  * Structure associating an ACE type to a string.
87  */
88 typedef struct {
89 	uint8_t		ace_type_value;
90 	const char	*ace_type_sting;
91 } ace_type_entry_t;
92 
93 /*
94  * Structure containing strings describing an SMB command.
95  */
96 typedef struct {
97 	const char	*smb_com;
98 	const char	*smb_andx;
99 } smb_com_entry_t;
100 
101 /*
102  * Structure describing an object to be expanded (displayed).
103  */
104 typedef struct {
105 	uint_t		ex_mask;
106 	int		(*ex_offset)(void);
107 	const char	*ex_dcmd;
108 	const char	*ex_name;
109 } smb_exp_t;
110 
111 /*
112  * List of supported options. Ther order has the match the bits SMB_OPT_xxx.
113  */
114 typedef struct smb_mdb_opts {
115 	char		*o_name;
116 	uint32_t	o_value;
117 } smb_mdb_opts_t;
118 
119 static smb_mdb_opts_t smb_opts[SMB_MDB_MAX_OPTS] =
120 {
121 	{ "-s", SMB_OPT_SERVER	},
122 	{ "-e", SMB_OPT_SESSION	},
123 	{ "-r", SMB_OPT_REQUEST	},
124 	{ "-u", SMB_OPT_USER	},
125 	{ "-t", SMB_OPT_TREE	},
126 	{ "-f", SMB_OPT_OFILE	},
127 	{ "-d", SMB_OPT_ODIR	},
128 	{ "-w", SMB_OPT_WALK	},
129 	{ "-v", SMB_OPT_VERBOSE	}
130 };
131 
132 /*
133  * These access mask bits are generic enough they could move into the
134  * genunix mdb module or somewhere so they could be shared.
135  */
136 static const mdb_bitmask_t
137 nt_access_bits[] = {
138 	{ "READ_DATA",
139 	    FILE_READ_DATA,
140 	    FILE_READ_DATA },
141 	{ "WRITE_DATA",
142 	    FILE_WRITE_DATA,
143 	    FILE_WRITE_DATA },
144 	{ "APPEND_DATA",
145 	    FILE_APPEND_DATA,
146 	    FILE_APPEND_DATA },
147 	{ "READ_EA",
148 	    FILE_READ_EA,
149 	    FILE_READ_EA },
150 	{ "WRITE_EA",
151 	    FILE_WRITE_EA,
152 	    FILE_WRITE_EA },
153 	{ "EXECUTE",
154 	    FILE_EXECUTE,
155 	    FILE_EXECUTE },
156 	{ "DELETE_CHILD",
157 	    FILE_DELETE_CHILD,
158 	    FILE_DELETE_CHILD },
159 	{ "READ_ATTR",
160 	    FILE_READ_ATTRIBUTES,
161 	    FILE_READ_ATTRIBUTES },
162 	{ "WRITE_ATTR",
163 	    FILE_WRITE_ATTRIBUTES,
164 	    FILE_WRITE_ATTRIBUTES },
165 	{ "DELETE",
166 	    DELETE,
167 	    DELETE },
168 	{ "READ_CTRL",
169 	    READ_CONTROL,
170 	    READ_CONTROL },
171 	{ "WRITE_DAC",
172 	    WRITE_DAC,
173 	    WRITE_DAC },
174 	{ "WRITE_OWNER",
175 	    WRITE_OWNER,
176 	    WRITE_OWNER },
177 	{ "SYNCH",
178 	    SYNCHRONIZE,
179 	    SYNCHRONIZE },
180 	{ "ACC_SEC",
181 	    ACCESS_SYSTEM_SECURITY,
182 	    ACCESS_SYSTEM_SECURITY },
183 	{ "MAX_ALLOWED",
184 	    MAXIMUM_ALLOWED,
185 	    MAXIMUM_ALLOWED },
186 	{ "GEN_X",
187 	    GENERIC_EXECUTE,
188 	    GENERIC_EXECUTE },
189 	{ "GEN_W",
190 	    GENERIC_WRITE,
191 	    GENERIC_WRITE },
192 	{ "GEN_R",
193 	    GENERIC_READ,
194 	    GENERIC_READ },
195 	{ NULL, 0, 0 }
196 };
197 
198 static smb_com_entry_t	smb_com[256] =
199 {
200 	SMB_COM_ENTRY(SMB_COM_CREATE_DIRECTORY, "No"),
201 	SMB_COM_ENTRY(SMB_COM_DELETE_DIRECTORY, "No"),
202 	SMB_COM_ENTRY(SMB_COM_OPEN, "No"),
203 	SMB_COM_ENTRY(SMB_COM_CREATE, "No"),
204 	SMB_COM_ENTRY(SMB_COM_CLOSE, "No"),
205 	SMB_COM_ENTRY(SMB_COM_FLUSH, "No"),
206 	SMB_COM_ENTRY(SMB_COM_DELETE, "No"),
207 	SMB_COM_ENTRY(SMB_COM_RENAME, "No"),
208 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION, "No"),
209 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION, "No"),
210 	SMB_COM_ENTRY(SMB_COM_READ, "No"),
211 	SMB_COM_ENTRY(SMB_COM_WRITE, "No"),
212 	SMB_COM_ENTRY(SMB_COM_LOCK_BYTE_RANGE, "No"),
213 	SMB_COM_ENTRY(SMB_COM_UNLOCK_BYTE_RANGE, "No"),
214 	SMB_COM_ENTRY(SMB_COM_CREATE_TEMPORARY, "No"),
215 	SMB_COM_ENTRY(SMB_COM_CREATE_NEW, "No"),
216 	SMB_COM_ENTRY(SMB_COM_CHECK_DIRECTORY, "No"),
217 	SMB_COM_ENTRY(SMB_COM_PROCESS_EXIT, "No"),
218 	SMB_COM_ENTRY(SMB_COM_SEEK, "No"),
219 	SMB_COM_ENTRY(SMB_COM_LOCK_AND_READ, "No"),
220 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_UNLOCK, "No"),
221 	SMB_COM_ENTRY(0x15, "?"),
222 	SMB_COM_ENTRY(0x16, "?"),
223 	SMB_COM_ENTRY(0x17, "?"),
224 	SMB_COM_ENTRY(0x18, "?"),
225 	SMB_COM_ENTRY(0x19, "?"),
226 	SMB_COM_ENTRY(SMB_COM_READ_RAW, "No"),
227 	SMB_COM_ENTRY(SMB_COM_READ_MPX, "No"),
228 	SMB_COM_ENTRY(SMB_COM_READ_MPX_SECONDARY, "No"),
229 	SMB_COM_ENTRY(SMB_COM_WRITE_RAW, "No"),
230 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX, "No"),
231 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX_SECONDARY, "No"),
232 	SMB_COM_ENTRY(SMB_COM_WRITE_COMPLETE, "No"),
233 	SMB_COM_ENTRY(SMB_COM_QUERY_SERVER, "No"),
234 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION2, "No"),
235 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION2, "No"),
236 	SMB_COM_ENTRY(SMB_COM_LOCKING_ANDX, "No"),
237 	SMB_COM_ENTRY(SMB_COM_TRANSACTION, "No"),
238 	SMB_COM_ENTRY(SMB_COM_TRANSACTION_SECONDARY, "No"),
239 	SMB_COM_ENTRY(SMB_COM_IOCTL, "No"),
240 	SMB_COM_ENTRY(SMB_COM_IOCTL_SECONDARY, "No"),
241 	SMB_COM_ENTRY(SMB_COM_COPY, "No"),
242 	SMB_COM_ENTRY(SMB_COM_MOVE, "No"),
243 	SMB_COM_ENTRY(SMB_COM_ECHO, "No"),
244 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_CLOSE, "No"),
245 	SMB_COM_ENTRY(SMB_COM_OPEN_ANDX, "No"),
246 	SMB_COM_ENTRY(SMB_COM_READ_ANDX, "No"),
247 	SMB_COM_ENTRY(SMB_COM_WRITE_ANDX, "No"),
248 	SMB_COM_ENTRY(SMB_COM_NEW_FILE_SIZE, "No"),
249 	SMB_COM_ENTRY(SMB_COM_CLOSE_AND_TREE_DISC, "No"),
250 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2, "No"),
251 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2_SECONDARY, "No"),
252 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE2, "No"),
253 	SMB_COM_ENTRY(SMB_COM_FIND_NOTIFY_CLOSE, "No"),
254 	SMB_COM_ENTRY(0x36, "?"),
255 	SMB_COM_ENTRY(0x37, "?"),
256 	SMB_COM_ENTRY(0x38, "?"),
257 	SMB_COM_ENTRY(0x39, "?"),
258 	SMB_COM_ENTRY(0x3A, "?"),
259 	SMB_COM_ENTRY(0x3B, "?"),
260 	SMB_COM_ENTRY(0x3C, "?"),
261 	SMB_COM_ENTRY(0x3D, "?"),
262 	SMB_COM_ENTRY(0x3E, "?"),
263 	SMB_COM_ENTRY(0x3F, "?"),
264 	SMB_COM_ENTRY(0x40, "?"),
265 	SMB_COM_ENTRY(0x41, "?"),
266 	SMB_COM_ENTRY(0x42, "?"),
267 	SMB_COM_ENTRY(0x43, "?"),
268 	SMB_COM_ENTRY(0x44, "?"),
269 	SMB_COM_ENTRY(0x45, "?"),
270 	SMB_COM_ENTRY(0x46, "?"),
271 	SMB_COM_ENTRY(0x47, "?"),
272 	SMB_COM_ENTRY(0x48, "?"),
273 	SMB_COM_ENTRY(0x49, "?"),
274 	SMB_COM_ENTRY(0x4A, "?"),
275 	SMB_COM_ENTRY(0x4B, "?"),
276 	SMB_COM_ENTRY(0x4C, "?"),
277 	SMB_COM_ENTRY(0x4D, "?"),
278 	SMB_COM_ENTRY(0x4E, "?"),
279 	SMB_COM_ENTRY(0x4F, "?"),
280 	SMB_COM_ENTRY(0x50, "?"),
281 	SMB_COM_ENTRY(0x51, "?"),
282 	SMB_COM_ENTRY(0x52, "?"),
283 	SMB_COM_ENTRY(0x53, "?"),
284 	SMB_COM_ENTRY(0x54, "?"),
285 	SMB_COM_ENTRY(0x55, "?"),
286 	SMB_COM_ENTRY(0x56, "?"),
287 	SMB_COM_ENTRY(0x57, "?"),
288 	SMB_COM_ENTRY(0x58, "?"),
289 	SMB_COM_ENTRY(0x59, "?"),
290 	SMB_COM_ENTRY(0x5A, "?"),
291 	SMB_COM_ENTRY(0x5B, "?"),
292 	SMB_COM_ENTRY(0x5C, "?"),
293 	SMB_COM_ENTRY(0x5D, "?"),
294 	SMB_COM_ENTRY(0x5E, "?"),
295 	SMB_COM_ENTRY(0x5F, "?"),
296 	SMB_COM_ENTRY(0x60, "?"),
297 	SMB_COM_ENTRY(0x61, "?"),
298 	SMB_COM_ENTRY(0x62, "?"),
299 	SMB_COM_ENTRY(0x63, "?"),
300 	SMB_COM_ENTRY(0x64, "?"),
301 	SMB_COM_ENTRY(0x65, "?"),
302 	SMB_COM_ENTRY(0x66, "?"),
303 	SMB_COM_ENTRY(0x67, "?"),
304 	SMB_COM_ENTRY(0x68, "?"),
305 	SMB_COM_ENTRY(0x69, "?"),
306 	SMB_COM_ENTRY(0x6A, "?"),
307 	SMB_COM_ENTRY(0x6B, "?"),
308 	SMB_COM_ENTRY(0x6C, "?"),
309 	SMB_COM_ENTRY(0x6D, "?"),
310 	SMB_COM_ENTRY(0x6E, "?"),
311 	SMB_COM_ENTRY(0x6F, "?"),
312 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT, "No"),
313 	SMB_COM_ENTRY(SMB_COM_TREE_DISCONNECT, "No"),
314 	SMB_COM_ENTRY(SMB_COM_NEGOTIATE, "No"),
315 	SMB_COM_ENTRY(SMB_COM_SESSION_SETUP_ANDX, "No"),
316 	SMB_COM_ENTRY(SMB_COM_LOGOFF_ANDX, "No"),
317 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT_ANDX, "No"),
318 	SMB_COM_ENTRY(0x76, "?"),
319 	SMB_COM_ENTRY(0x77, "?"),
320 	SMB_COM_ENTRY(0x78, "?"),
321 	SMB_COM_ENTRY(0x79, "?"),
322 	SMB_COM_ENTRY(0x7A, "?"),
323 	SMB_COM_ENTRY(0x7B, "?"),
324 	SMB_COM_ENTRY(0x7C, "?"),
325 	SMB_COM_ENTRY(0x7D, "?"),
326 	SMB_COM_ENTRY(0x7E, "?"),
327 	SMB_COM_ENTRY(0x7F, "?"),
328 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION_DISK, "No"),
329 	SMB_COM_ENTRY(SMB_COM_SEARCH, "No"),
330 	SMB_COM_ENTRY(SMB_COM_FIND, "No"),
331 	SMB_COM_ENTRY(SMB_COM_FIND_UNIQUE, "No"),
332 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE, "No"),
333 	SMB_COM_ENTRY(0x85, "?"),
334 	SMB_COM_ENTRY(0x86, "?"),
335 	SMB_COM_ENTRY(0x87, "?"),
336 	SMB_COM_ENTRY(0x88, "?"),
337 	SMB_COM_ENTRY(0x89, "?"),
338 	SMB_COM_ENTRY(0x8A, "?"),
339 	SMB_COM_ENTRY(0x8B, "?"),
340 	SMB_COM_ENTRY(0x8C, "?"),
341 	SMB_COM_ENTRY(0x8D, "?"),
342 	SMB_COM_ENTRY(0x8E, "?"),
343 	SMB_COM_ENTRY(0x8F, "?"),
344 	SMB_COM_ENTRY(0x90, "?"),
345 	SMB_COM_ENTRY(0x91, "?"),
346 	SMB_COM_ENTRY(0x92, "?"),
347 	SMB_COM_ENTRY(0x93, "?"),
348 	SMB_COM_ENTRY(0x94, "?"),
349 	SMB_COM_ENTRY(0x95, "?"),
350 	SMB_COM_ENTRY(0x96, "?"),
351 	SMB_COM_ENTRY(0x97, "?"),
352 	SMB_COM_ENTRY(0x98, "?"),
353 	SMB_COM_ENTRY(0x99, "?"),
354 	SMB_COM_ENTRY(0x9A, "?"),
355 	SMB_COM_ENTRY(0x9B, "?"),
356 	SMB_COM_ENTRY(0x9C, "?"),
357 	SMB_COM_ENTRY(0x9D, "?"),
358 	SMB_COM_ENTRY(0x9E, "?"),
359 	SMB_COM_ENTRY(0x9F, "?"),
360 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT, "No"),
361 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT_SECONDARY, "No"),
362 	SMB_COM_ENTRY(SMB_COM_NT_CREATE_ANDX, "No"),
363 	SMB_COM_ENTRY(0xA3, "?"),
364 	SMB_COM_ENTRY(SMB_COM_NT_CANCEL, "No"),
365 	SMB_COM_ENTRY(SMB_COM_NT_RENAME, "No"),
366 	SMB_COM_ENTRY(0xA6, "?"),
367 	SMB_COM_ENTRY(0xA7, "?"),
368 	SMB_COM_ENTRY(0xA8, "?"),
369 	SMB_COM_ENTRY(0xA9, "?"),
370 	SMB_COM_ENTRY(0xAA, "?"),
371 	SMB_COM_ENTRY(0xAB, "?"),
372 	SMB_COM_ENTRY(0xAC, "?"),
373 	SMB_COM_ENTRY(0xAD, "?"),
374 	SMB_COM_ENTRY(0xAE, "?"),
375 	SMB_COM_ENTRY(0xAF, "?"),
376 	SMB_COM_ENTRY(0xB0, "?"),
377 	SMB_COM_ENTRY(0xB1, "?"),
378 	SMB_COM_ENTRY(0xB2, "?"),
379 	SMB_COM_ENTRY(0xB3, "?"),
380 	SMB_COM_ENTRY(0xB4, "?"),
381 	SMB_COM_ENTRY(0xB5, "?"),
382 	SMB_COM_ENTRY(0xB6, "?"),
383 	SMB_COM_ENTRY(0xB7, "?"),
384 	SMB_COM_ENTRY(0xB8, "?"),
385 	SMB_COM_ENTRY(0xB9, "?"),
386 	SMB_COM_ENTRY(0xBA, "?"),
387 	SMB_COM_ENTRY(0xBB, "?"),
388 	SMB_COM_ENTRY(0xBC, "?"),
389 	SMB_COM_ENTRY(0xBD, "?"),
390 	SMB_COM_ENTRY(0xBE, "?"),
391 	SMB_COM_ENTRY(0xBF, "?"),
392 	SMB_COM_ENTRY(SMB_COM_OPEN_PRINT_FILE, "No"),
393 	SMB_COM_ENTRY(SMB_COM_WRITE_PRINT_FILE, "No"),
394 	SMB_COM_ENTRY(SMB_COM_CLOSE_PRINT_FILE, "No"),
395 	SMB_COM_ENTRY(SMB_COM_GET_PRINT_QUEUE, "No"),
396 	SMB_COM_ENTRY(0xC4, "?"),
397 	SMB_COM_ENTRY(0xC5, "?"),
398 	SMB_COM_ENTRY(0xC6, "?"),
399 	SMB_COM_ENTRY(0xC7, "?"),
400 	SMB_COM_ENTRY(0xC8, "?"),
401 	SMB_COM_ENTRY(0xC9, "?"),
402 	SMB_COM_ENTRY(0xCA, "?"),
403 	SMB_COM_ENTRY(0xCB, "?"),
404 	SMB_COM_ENTRY(0xCC, "?"),
405 	SMB_COM_ENTRY(0xCD, "?"),
406 	SMB_COM_ENTRY(0xCE, "?"),
407 	SMB_COM_ENTRY(0xCF, "?"),
408 	SMB_COM_ENTRY(0xD0, "?"),
409 	SMB_COM_ENTRY(0xD1, "?"),
410 	SMB_COM_ENTRY(0xD2, "?"),
411 	SMB_COM_ENTRY(0xD3, "?"),
412 	SMB_COM_ENTRY(0xD4, "?"),
413 	SMB_COM_ENTRY(0xD5, "?"),
414 	SMB_COM_ENTRY(0xD6, "?"),
415 	SMB_COM_ENTRY(0xD7, "?"),
416 	SMB_COM_ENTRY(SMB_COM_READ_BULK, "No"),
417 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK, "No"),
418 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK_DATA, "No"),
419 	SMB_COM_ENTRY(0xDB, "?"),
420 	SMB_COM_ENTRY(0xDC, "?"),
421 	SMB_COM_ENTRY(0xDD, "?"),
422 	SMB_COM_ENTRY(0xDE, "?"),
423 	SMB_COM_ENTRY(0xDF, "?"),
424 	SMB_COM_ENTRY(0xE0, "?"),
425 	SMB_COM_ENTRY(0xE1, "?"),
426 	SMB_COM_ENTRY(0xE2, "?"),
427 	SMB_COM_ENTRY(0xE3, "?"),
428 	SMB_COM_ENTRY(0xE4, "?"),
429 	SMB_COM_ENTRY(0xE5, "?"),
430 	SMB_COM_ENTRY(0xE6, "?"),
431 	SMB_COM_ENTRY(0xE7, "?"),
432 	SMB_COM_ENTRY(0xE8, "?"),
433 	SMB_COM_ENTRY(0xE9, "?"),
434 	SMB_COM_ENTRY(0xEA, "?"),
435 	SMB_COM_ENTRY(0xEB, "?"),
436 	SMB_COM_ENTRY(0xEC, "?"),
437 	SMB_COM_ENTRY(0xED, "?"),
438 	SMB_COM_ENTRY(0xEE, "?"),
439 	SMB_COM_ENTRY(0xEF, "?"),
440 	SMB_COM_ENTRY(0xF0, "?"),
441 	SMB_COM_ENTRY(0xF1, "?"),
442 	SMB_COM_ENTRY(0xF2, "?"),
443 	SMB_COM_ENTRY(0xF3, "?"),
444 	SMB_COM_ENTRY(0xF4, "?"),
445 	SMB_COM_ENTRY(0xF5, "?"),
446 	SMB_COM_ENTRY(0xF6, "?"),
447 	SMB_COM_ENTRY(0xF7, "?"),
448 	SMB_COM_ENTRY(0xF8, "?"),
449 	SMB_COM_ENTRY(0xF9, "?"),
450 	SMB_COM_ENTRY(0xFA, "?"),
451 	SMB_COM_ENTRY(0xFB, "?"),
452 	SMB_COM_ENTRY(0xFC, "?"),
453 	SMB_COM_ENTRY(0xFD, "?"),
454 	SMB_COM_ENTRY(0xFE, "?"),
455 	SMB_COM_ENTRY(0xFF, "?")
456 };
457 
458 static const char *smb2_cmd_names[SMB2__NCMDS] = {
459 	"smb2_negotiate",
460 	"smb2_session_setup",
461 	"smb2_logoff",
462 	"smb2_tree_connect",
463 	"smb2_tree_disconn",
464 	"smb2_create",
465 	"smb2_close",
466 	"smb2_flush",
467 	"smb2_read",
468 	"smb2_write",
469 	"smb2_lock",
470 	"smb2_ioctl",
471 	"smb2_cancel",
472 	"smb2_echo",
473 	"smb2_query_dir",
474 	"smb2_change_notify",
475 	"smb2_query_info",
476 	"smb2_set_info",
477 	"smb2_oplock_break",
478 	"smb2_invalid_cmd"
479 };
480 
481 struct mdb_smb_oplock;
482 
483 static int smb_sid_print(uintptr_t);
484 static int smb_dcmd_getopt(uint_t *, int, const mdb_arg_t *);
485 static int smb_dcmd_setopt(uint_t, int, mdb_arg_t *);
486 static int smb_obj_expand(uintptr_t, uint_t, const smb_exp_t *, ulong_t);
487 static int smb_obj_list(const char *, uint_t, uint_t);
488 static int smb_worker_findstack(uintptr_t);
489 static int smb_node_get_oplock(uintptr_t, struct mdb_smb_oplock **);
490 static int smb_node_oplock_cnt(struct mdb_smb_oplock *);
491 static void smb_inaddr_ntop(smb_inaddr_t *, char *, size_t);
492 static void get_enum(char *, size_t, const char *, int, const char *);
493 
494 typedef int (*dump_func_t)(struct mbuf_chain *, int32_t,
495     smb_inaddr_t *, uint16_t, smb_inaddr_t *, uint16_t,
496     hrtime_t, boolean_t);
497 static int smb_req_dump(struct mbuf_chain *, int32_t,
498     smb_inaddr_t *, uint16_t, smb_inaddr_t *, uint16_t,
499     hrtime_t, boolean_t);
500 static int smb_req_dump_m(uintptr_t, const void *, void *);
501 
502 /*
503  * *****************************************************************************
504  * ****************************** Top level DCMD *******************************
505  * *****************************************************************************
506  */
507 
508 static void
509 smblist_help(void)
510 {
511 	mdb_printf(
512 	    "Displays the list of objects using an indented tree format.\n"
513 	    "If no option is specified the entire tree is displayed\n\n");
514 	(void) mdb_dec_indent(2);
515 	mdb_printf("%<b>OPTIONS%</b>\n");
516 	(void) mdb_inc_indent(2);
517 	mdb_printf(
518 	    "-v\tDisplay verbose information\n"
519 	    "-s\tDisplay the list of servers\n"
520 	    "-e\tDisplay the list of sessions\n"
521 	    "-r\tDisplay the list of smb requests\n"
522 	    "-u\tDisplay the list of users\n"
523 	    "-t\tDisplay the list of trees\n"
524 	    "-f\tDisplay the list of open files\n"
525 	    "-d\tDisplay the list of open searches\n");
526 }
527 
528 /*
529  * ::smblist
530  *
531  * This function lists the objects specified on the command line. If no object
532  * is specified the entire tree (server through ofile and odir) is displayed.
533  *
534  */
535 /*ARGSUSED*/
536 static int
537 smblist_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
538 {
539 	GElf_Sym	sym;
540 	uint_t		opts = 0;
541 	int		new_argc;
542 	mdb_arg_t	new_argv[SMB_MDB_MAX_OPTS];
543 	int		ll_off;
544 
545 	if (smb_dcmd_getopt(&opts, argc, argv))
546 		return (DCMD_USAGE);
547 
548 	if (!(opts & ~(SMB_OPT_WALK | SMB_OPT_VERBOSE)))
549 		opts |= SMB_OPT_ALL_OBJ;
550 
551 	opts |= SMB_OPT_WALK;
552 
553 	new_argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, new_argv);
554 
555 	if (mdb_lookup_by_obj(SMBSRV_OBJNAME, "smb_servers", &sym) == -1) {
556 		mdb_warn("failed to find symbol smb_servers");
557 		return (DCMD_ERR);
558 	}
559 
560 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
561 	addr = (uintptr_t)sym.st_value + ll_off;
562 
563 	if (mdb_pwalk_dcmd("list", "smbsrv", new_argc, new_argv, addr)) {
564 		mdb_warn("cannot walk smb_server list");
565 		return (DCMD_ERR);
566 	}
567 	return (DCMD_OK);
568 }
569 
570 /*
571  * *****************************************************************************
572  * ***************************** smb_server_t **********************************
573  * *****************************************************************************
574  */
575 
576 typedef struct mdb_smb_server {
577 	smb_server_state_t	sv_state;
578 	zoneid_t		sv_zid;
579 	smb_hash_t		*sv_persistid_ht;
580 } mdb_smb_server_t;
581 
582 static int
583 smb_server_exp_off_sv_list(void)
584 {
585 	int svl_off, ll_off;
586 
587 	/* OFFSETOF(smb_server_t, sv_session_list.ll_list); */
588 	GET_OFFSET(svl_off, smb_server_t, sv_session_list);
589 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
590 	return (svl_off + ll_off);
591 }
592 
593 static int
594 smb_server_exp_off_nbt_list(void)
595 {
596 	int svd_off, lds_off, ll_off;
597 
598 	/* OFFSETOF(smb_server_t, sv_nbt_daemon.ld_session_list.ll_list); */
599 	GET_OFFSET(svd_off, smb_server_t, sv_nbt_daemon);
600 	/*
601 	 * We can't do OFFSETOF() because the member doesn't exist,
602 	 * but we want backwards compatibility to old cores
603 	 */
604 	lds_off = mdb_ctf_offsetof_by_name("smb_listener_daemon_t",
605 	    "ld_session_list");
606 	if (lds_off < 0) {
607 		mdb_warn("cannot lookup: "
608 		    "smb_listener_daemon_t .ld_session_list");
609 		return (-1);
610 	}
611 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
612 	return (svd_off + lds_off + ll_off);
613 }
614 
615 static int
616 smb_server_exp_off_tcp_list(void)
617 {
618 	int svd_off, lds_off, ll_off;
619 
620 	/* OFFSETOF(smb_server_t, sv_tcp_daemon.ld_session_list.ll_list); */
621 	GET_OFFSET(svd_off, smb_server_t, sv_tcp_daemon);
622 	/*
623 	 * We can't do OFFSETOF() because the member doesn't exist,
624 	 * but we want backwards compatibility to old cores
625 	 */
626 	lds_off = mdb_ctf_offsetof_by_name("smb_listener_daemon_t",
627 	    "ld_session_list");
628 	if (lds_off < 0) {
629 		mdb_warn("cannot lookup: "
630 		    "smb_listener_daemon_t .ld_session_list");
631 		return (-1);
632 	}
633 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
634 	return (svd_off + lds_off + ll_off);
635 }
636 
637 /*
638  * List of objects that can be expanded under a server structure.
639  */
640 static const smb_exp_t smb_server_exp[] =
641 {
642 	{ SMB_OPT_ALL_OBJ,
643 	    smb_server_exp_off_sv_list,
644 	    "smbsess", "smb_session"},
645 	{ 0, 0, NULL, NULL }
646 };
647 
648 /* for backwards compatibility only */
649 static const smb_exp_t smb_server_exp_old[] =
650 {
651 	{ SMB_OPT_ALL_OBJ,
652 	    smb_server_exp_off_nbt_list,
653 	    "smbsess", "smb_session"},
654 	{ SMB_OPT_ALL_OBJ,
655 	    smb_server_exp_off_tcp_list,
656 	    "smbsess", "smb_session"},
657 	{ 0, 0, NULL, NULL }
658 };
659 
660 /*
661  * ::smbsrv
662  *
663  * smbsrv dcmd - Print out smb_server structures.
664  */
665 /*ARGSUSED*/
666 static int
667 smbsrv_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
668 {
669 	uint_t		opts;
670 	ulong_t		indent = 0;
671 	const smb_exp_t	*sv_exp;
672 	mdb_ctf_id_t id;
673 	ulong_t off;
674 
675 	if (smb_dcmd_getopt(&opts, argc, argv))
676 		return (DCMD_USAGE);
677 
678 	if (!(flags & DCMD_ADDRSPEC))
679 		return (smb_obj_list("smb_server", opts | SMB_OPT_SERVER,
680 		    flags));
681 
682 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SERVER)) ||
683 	    !(opts & SMB_OPT_WALK)) {
684 		mdb_smb_server_t *sv;
685 		char state[40];
686 
687 		sv = mdb_zalloc(sizeof (*sv), UM_SLEEP | UM_GC);
688 		if (mdb_ctf_vread(sv, SMBSRV_SCOPE "smb_server_t",
689 		    "mdb_smb_server_t", addr, 0) < 0) {
690 			mdb_warn("failed to read smb_server at %p", addr);
691 			return (DCMD_ERR);
692 		}
693 
694 		indent = SMB_DCMD_INDENT;
695 
696 		if (opts & SMB_OPT_VERBOSE) {
697 			mdb_arg_t	argv;
698 
699 			argv.a_type = MDB_TYPE_STRING;
700 			argv.a_un.a_str = "smb_server_t";
701 			if (mdb_call_dcmd("print", addr, flags, 1, &argv))
702 				return (DCMD_ERR);
703 		} else {
704 			if (DCMD_HDRSPEC(flags))
705 				mdb_printf(
706 				    "%<b>%<u>%-?s% "
707 				    "%-4s% "
708 				    "%-32s% "
709 				    "%</u>%</b>\n",
710 				    "SERVER", "ZONE", "STATE");
711 
712 			get_enum(state, sizeof (state),
713 			    "smb_server_state_t", sv->sv_state,
714 			    "SMB_SERVER_STATE_");
715 
716 			mdb_printf("%-?p %-4d %-32s \n",
717 			    addr, sv->sv_zid, state);
718 		}
719 	}
720 
721 	/* if we can't look up the type name, just error out */
722 	if (mdb_ctf_lookup_by_name("smb_server_t", &id) == -1)
723 		return (DCMD_ERR);
724 
725 	if (mdb_ctf_offsetof(id, "sv_session_list", &off) == -1)
726 		/* sv_session_list doesn't exist; old core */
727 		sv_exp = smb_server_exp_old;
728 	else
729 		sv_exp = smb_server_exp;
730 
731 	if (smb_obj_expand(addr, opts, sv_exp, indent))
732 		return (DCMD_ERR);
733 	return (DCMD_OK);
734 }
735 
736 /*
737  * *****************************************************************************
738  * ***************************** smb_session_t *********************************
739  * *****************************************************************************
740  */
741 
742 /*
743  * After some changes merged from upstream, "::smblist" was failing with
744  * "inexact match for union au_addr (au_addr)" because the CTF data for
745  * the target vs mdb were apparently not exactly the same (unknown why).
746  *
747  * As described above mdb_ctf_vread(), the recommended way to read a
748  * union is to use an mdb struct with only the union "arm" appropriate
749  * to the given type instance.  That's difficult in this case, so we
750  * use a local union with only the in6_addr_t union arm (otherwise
751  * identical to smb_inaddr_t) and just cast it to an smb_inaddr_t
752  */
753 
754 typedef struct mdb_smb_inaddr {
755 	union {
756 #if 0	/* The real smb_inaddr_t has these too. */
757 		in_addr_t au_ipv4;
758 		in6_addr_t au_ipv6;
759 #endif
760 		in6_addr_t au_ip;
761 	} au_addr;
762 	int a_family;
763 } mdb_smb_inaddr_t;
764 
765 typedef struct mdb_smb_session {
766 	uint64_t		s_kid;
767 	smb_session_state_t	s_state;
768 	uint32_t		s_flags;
769 	uint16_t		s_local_port;
770 	uint16_t		s_remote_port;
771 	mdb_smb_inaddr_t	ipaddr;
772 	mdb_smb_inaddr_t	local_ipaddr;
773 	int			dialect;
774 
775 	smb_slist_t		s_req_list;
776 	smb_llist_t		s_xa_list;
777 	smb_llist_t		s_user_list;
778 	smb_llist_t		s_tree_list;
779 
780 	volatile uint32_t	s_tree_cnt;
781 	volatile uint32_t	s_file_cnt;
782 	volatile uint32_t	s_dir_cnt;
783 
784 	char			workstation[SMB_PI_MAX_HOST];
785 } mdb_smb_session_t;
786 
787 static int
788 smb_session_exp_off_req_list(void)
789 {
790 	int rl_off, sl_off;
791 
792 	/* OFFSETOF(smb_session_t, s_req_list.sl_list); */
793 	GET_OFFSET(rl_off, smb_session_t, s_req_list);
794 	GET_OFFSET(sl_off, smb_slist_t, sl_list);
795 	return (rl_off + sl_off);
796 }
797 
798 static int
799 smb_session_exp_off_user_list(void)
800 {
801 	int ul_off, ll_off;
802 
803 	/* OFFSETOF(smb_session_t, s_user_list.ll_list); */
804 	GET_OFFSET(ul_off, smb_session_t, s_user_list);
805 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
806 	return (ul_off + ll_off);
807 }
808 
809 static int
810 smb_session_exp_off_tree_list(void)
811 {
812 	int tl_off, ll_off;
813 
814 	/* OFFSETOF(smb_session_t, s_tree_list.ll_list); */
815 	GET_OFFSET(tl_off, smb_session_t, s_tree_list);
816 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
817 	return (tl_off + ll_off);
818 }
819 
820 /*
821  * List of objects that can be expanded under a session structure.
822  */
823 static const smb_exp_t smb_session_exp[] =
824 {
825 	{ SMB_OPT_USER,
826 	    smb_session_exp_off_user_list,
827 	    "smbuser", "smb_user"},
828 	{ SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR,
829 	    smb_session_exp_off_tree_list,
830 	    "smbtree", "smb_tree"},
831 	{ SMB_OPT_REQUEST,
832 	    smb_session_exp_off_req_list,
833 	    "smbreq", "smb_request"},
834 	{ 0, 0, NULL, NULL}
835 };
836 
837 static void
838 smbsess_help(void)
839 {
840 	mdb_printf(
841 	    "Display the contents of smb_session_t, with optional"
842 	    " filtering.\n\n");
843 	(void) mdb_dec_indent(2);
844 	mdb_printf("%<b>OPTIONS%</b>\n");
845 	(void) mdb_inc_indent(2);
846 	mdb_printf(
847 	    "-v\tDisplay verbose smb_session information\n"
848 	    "-r\tDisplay the list of smb requests attached\n"
849 	    "-u\tDisplay the list of users attached\n");
850 }
851 
852 /*
853  * ::smbsess
854  *
855  * smbsess dcmd - Print out the smb_session structure.
856  */
857 static int
858 smbsess_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
859 {
860 	uint_t		opts;
861 	ulong_t		indent = 0;
862 
863 	if (smb_dcmd_getopt(&opts, argc, argv))
864 		return (DCMD_USAGE);
865 
866 	if (!(flags & DCMD_ADDRSPEC)) {
867 		opts |= SMB_OPT_SESSION;
868 		opts &= ~SMB_OPT_SERVER;
869 		return (smb_obj_list("smb_session", opts, flags));
870 	}
871 
872 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SESSION)) ||
873 	    !(opts & SMB_OPT_WALK)) {
874 		char	cipaddr[INET6_ADDRSTRLEN];
875 		char	lipaddr[INET6_ADDRSTRLEN];
876 		int	ipaddrstrlen = INET6_ADDRSTRLEN;
877 		mdb_smb_session_t *se;
878 		char	state[40];
879 
880 		indent = SMB_DCMD_INDENT;
881 
882 		se = mdb_zalloc(sizeof (*se), UM_SLEEP | UM_GC);
883 		if (mdb_ctf_vread(se, SMBSRV_SCOPE "smb_session_t",
884 		    "mdb_smb_session_t", addr, 0) < 0) {
885 			mdb_warn("failed to read smb_session at %p", addr);
886 			return (DCMD_ERR);
887 		}
888 
889 		get_enum(state, sizeof (state),
890 		    "smb_session_state_t", se->s_state,
891 		    "SMB_SESSION_STATE_");
892 
893 		smb_inaddr_ntop((smb_inaddr_t *)&se->ipaddr,
894 		    cipaddr, ipaddrstrlen);
895 		smb_inaddr_ntop((smb_inaddr_t *)&se->local_ipaddr,
896 		    lipaddr, ipaddrstrlen);
897 
898 		if (opts & SMB_OPT_VERBOSE) {
899 			mdb_printf("%<b>%<u>SMB session information "
900 			    "(%p): %</u>%</b>\n", addr);
901 			mdb_printf("Client IP address: %s %d\n",
902 			    cipaddr, se->s_remote_port);
903 			mdb_printf("Local IP Address: %s %d\n",
904 			    lipaddr, se->s_local_port);
905 			mdb_printf("Session KID: %u\n", se->s_kid);
906 			mdb_printf("Workstation Name: %s\n",
907 			    se->workstation);
908 			mdb_printf("Session state: %u (%s)\n", se->s_state,
909 			    state);
910 			mdb_printf("Session dialect: %#x\n", se->dialect);
911 			mdb_printf("Number of Users: %u\n",
912 			    se->s_user_list.ll_count);
913 			mdb_printf("Number of Trees: %u\n", se->s_tree_cnt);
914 			mdb_printf("Number of Files: %u\n", se->s_file_cnt);
915 			mdb_printf("Number of Shares: %u\n", se->s_dir_cnt);
916 			mdb_printf("Number of active Transact.: %u\n\n",
917 			    se->s_xa_list.ll_count);
918 		} else {
919 			/*
920 			 * Use a reasonable mininum field width for the
921 			 * IP addr so the summary (usually) won't wrap.
922 			 */
923 			int ipwidth = 22;
924 
925 			if (DCMD_HDRSPEC(flags)) {
926 				mdb_printf(
927 			"%<b>%<u>%-?s %-*s %-8s %-8s %-12s%</u>%</b>\n",
928 				    "SESSION", ipwidth, "IP_ADDR",
929 				    "PORT", "DIALECT", "STATE");
930 			}
931 			mdb_printf("%-?p %-*s %-8d %-8#x %s\n",
932 			    addr, ipwidth, cipaddr,
933 			    se->s_remote_port, se->dialect, state);
934 		}
935 	}
936 	if (smb_obj_expand(addr, opts, smb_session_exp, indent))
937 		return (DCMD_ERR);
938 
939 	return (DCMD_OK);
940 }
941 
942 /*
943  * *****************************************************************************
944  * **************************** smb_request_t **********************************
945  * *****************************************************************************
946  */
947 
948 typedef struct mdb_smb_request {
949 	smb_req_state_t		sr_state;
950 	smb_session_t		*session;
951 	struct mbuf_chain	command;
952 	struct mbuf_chain	reply;
953 
954 	unsigned char		first_smb_com;
955 	unsigned char		smb_com;
956 
957 	uint16_t		smb_tid;
958 	uint32_t		smb_pid;
959 	uint16_t		smb_uid;
960 	uint16_t		smb_mid;
961 	uint16_t		smb_fid;
962 
963 	uint16_t		smb2_cmd_code;
964 	uint64_t		smb2_messageid;
965 	uint64_t		smb2_ssnid;
966 
967 	struct smb_tree		*tid_tree;
968 	struct smb_ofile	*fid_ofile;
969 	smb_user_t		*uid_user;
970 
971 	kthread_t		*sr_worker;
972 	hrtime_t		sr_time_submitted;
973 	hrtime_t		sr_time_active;
974 	hrtime_t		sr_time_start;
975 
976 } mdb_smb_request_t;
977 
978 #define	SMB_REQUEST_BANNER	\
979 	"%<b>%<u>%-?s %-14s %-?s %-16s %-16s%</u>%</b>\n"
980 #define	SMB_REQUEST_FORMAT	\
981 	"%-?p 0x%-12llx %-?p %-16s %s\n"
982 
983 /*
984  * ::smbreq
985  *
986  * smbreq dcmd - Print out smb_request_t
987  */
988 static int
989 smbreq_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
990 {
991 	uint_t		opts;
992 
993 	if (smb_dcmd_getopt(&opts, argc, argv))
994 		return (DCMD_USAGE);
995 
996 	if (!(flags & DCMD_ADDRSPEC)) {
997 		opts |= SMB_OPT_REQUEST;
998 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_USER);
999 		return (smb_obj_list("smb_request", opts, flags));
1000 	}
1001 
1002 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_REQUEST)) ||
1003 	    !(opts & SMB_OPT_WALK)) {
1004 		mdb_smb_request_t *sr;
1005 		char		state[40];
1006 		const char	*cur_cmd_name;
1007 		uint_t		cur_cmd_code;
1008 		uint64_t	msg_id;
1009 
1010 		sr = mdb_zalloc(sizeof (*sr), UM_SLEEP | UM_GC);
1011 		if (mdb_ctf_vread(sr, SMBSRV_SCOPE "smb_request_t",
1012 		    "mdb_smb_request_t", addr, 0) < 0) {
1013 			mdb_warn("failed to read smb_request at %p", addr);
1014 			return (DCMD_ERR);
1015 		}
1016 
1017 		get_enum(state, sizeof (state),
1018 		    "smb_req_state_t", sr->sr_state,
1019 		    "SMB_REQ_STATE_");
1020 
1021 		if (sr->smb2_cmd_code != 0) {
1022 			/* SMB2 request */
1023 			cur_cmd_code = sr->smb2_cmd_code;
1024 			if (cur_cmd_code > SMB2_INVALID_CMD)
1025 				cur_cmd_code = SMB2_INVALID_CMD;
1026 			cur_cmd_name = smb2_cmd_names[cur_cmd_code];
1027 			msg_id = sr->smb2_messageid;
1028 		} else {
1029 			/* SMB1 request */
1030 			cur_cmd_code = sr->smb_com & 0xFF;
1031 			cur_cmd_name = smb_com[cur_cmd_code].smb_com;
1032 			msg_id = sr->smb_mid;
1033 		}
1034 
1035 		if (opts & SMB_OPT_VERBOSE) {
1036 			mdb_printf(
1037 			    "%</b>%</u>SMB request information (%p):"
1038 			    "%</u>%</b>\n\n", addr);
1039 
1040 			if (sr->smb2_cmd_code == 0) {
1041 				/* SMB1 request */
1042 				mdb_printf(
1043 				    "first SMB COM: %u (%s)\n",
1044 				    sr->first_smb_com,
1045 				    smb_com[sr->first_smb_com].smb_com);
1046 			}
1047 
1048 			mdb_printf(
1049 			    "current SMB COM: %u (%s)\n",
1050 			    cur_cmd_code, cur_cmd_name);
1051 
1052 			mdb_printf(
1053 			    "state: %u (%s)\n",
1054 			    sr->sr_state, state);
1055 
1056 			if (sr->smb2_ssnid != 0) {
1057 				mdb_printf(
1058 				    "SSNID(user): 0x%llx (%p)\n",
1059 				    sr->smb2_ssnid, sr->uid_user);
1060 			} else {
1061 				mdb_printf(
1062 				    "UID(user): %u (%p)\n",
1063 				    sr->smb_uid, sr->uid_user);
1064 			}
1065 
1066 			mdb_printf(
1067 			    "TID(tree): %u (%p)\n",
1068 			    sr->smb_tid, sr->tid_tree);
1069 
1070 			mdb_printf(
1071 			    "FID(file): %u (%p)\n",
1072 			    sr->smb_fid, sr->fid_ofile);
1073 
1074 			mdb_printf(
1075 			    "PID: %u\n",
1076 			    sr->smb_pid);
1077 
1078 			mdb_printf(
1079 			    "MID: 0x%llx\n",
1080 			    msg_id);
1081 
1082 			/*
1083 			 * Note: mdb_gethrtime() is only available in kmdb
1084 			 */
1085 #ifdef	_KERNEL
1086 			if (sr->sr_time_submitted != 0) {
1087 				uint64_t	waiting = 0;
1088 				uint64_t	running = 0;
1089 
1090 				if (sr->sr_time_active != 0) {
1091 					waiting = sr->sr_time_active -
1092 					    sr->sr_time_submitted;
1093 					running = mdb_gethrtime() -
1094 					    sr->sr_time_active;
1095 				} else {
1096 					waiting = mdb_gethrtime() -
1097 					    sr->sr_time_submitted;
1098 				}
1099 				waiting /= NANOSEC;
1100 				running /= NANOSEC;
1101 
1102 				mdb_printf(
1103 				    "waiting time: %lld\n",
1104 				    waiting);
1105 
1106 				mdb_printf(
1107 				    "running time: %lld\n",
1108 				    running);
1109 			}
1110 #endif	/* _KERNEL */
1111 
1112 			mdb_printf(
1113 			    "worker thread: %p\n",
1114 			    sr->sr_worker);
1115 			if (sr->sr_worker != NULL) {
1116 				smb_worker_findstack((uintptr_t)sr->sr_worker);
1117 			}
1118 		} else {
1119 			if (DCMD_HDRSPEC(flags))
1120 				mdb_printf(
1121 				    SMB_REQUEST_BANNER,
1122 				    "REQUEST",
1123 				    "MSG_ID",
1124 				    "WORKER",
1125 				    "STATE",
1126 				    "COMMAND");
1127 
1128 			mdb_printf(
1129 			    SMB_REQUEST_FORMAT,
1130 			    addr,
1131 			    msg_id,
1132 			    sr->sr_worker,
1133 			    state,
1134 			    cur_cmd_name);
1135 		}
1136 	}
1137 	return (DCMD_OK);
1138 }
1139 
1140 static void
1141 smbreq_dump_help(void)
1142 {
1143 	mdb_printf(
1144 	    "Dump the network data for an smb_request_t, either"
1145 	    " command, reply, or (by default) both.  Optionally"
1146 	    " append data to a pcap file (mdb only, not kmdb).\n\n");
1147 	(void) mdb_dec_indent(2);
1148 	mdb_printf("%<b>OPTIONS%</b>\n");
1149 	(void) mdb_inc_indent(2);
1150 	mdb_printf(
1151 	    "-c\tDump only the SMB command message\n"
1152 	    "-r\tDump only the SMB reply message (if present)\n"
1153 	    "-o FILE\tOutput to FILE (append) in pcap format\n");
1154 }
1155 
1156 #define	SMB_RDOPT_COMMAND	1
1157 #define	SMB_RDOPT_REPLY		2
1158 #define	SMB_RDOPT_OUTFILE	4
1159 
1160 /*
1161  * Like "smbreq" but just dump the command/reply messages.
1162  * With the output file option, append to a pcap file.
1163  */
1164 static int
1165 smbreq_dump_dcmd(uintptr_t rqaddr, uint_t flags, int argc,
1166     const mdb_arg_t *argv)
1167 {
1168 	mdb_smb_session_t *ssn;
1169 	mdb_smb_request_t *sr;
1170 	char		*outfile = NULL;
1171 	dump_func_t	dump_func;
1172 	uint64_t	msgid;
1173 	uintptr_t	ssnaddr;
1174 	uint_t		opts = 0;
1175 	int		rc = DCMD_OK;
1176 
1177 	if (!(flags & DCMD_ADDRSPEC))
1178 		return (DCMD_USAGE);
1179 
1180 	if (mdb_getopts(argc, argv,
1181 	    'c', MDB_OPT_SETBITS, SMB_RDOPT_COMMAND, &opts,
1182 	    'r', MDB_OPT_SETBITS, SMB_RDOPT_REPLY, &opts,
1183 	    'o', MDB_OPT_STR, &outfile,
1184 	    NULL) != argc)
1185 		return (DCMD_USAGE);
1186 #ifdef	_KMDB
1187 	if (outfile != NULL) {
1188 		mdb_warn("smbreq_dump -o option not supported in kmdb\n");
1189 		return (DCMD_ERR);
1190 	}
1191 #endif	/* _KMDB */
1192 
1193 	/*
1194 	 * Default without -c or -r is to dump both.
1195 	 */
1196 	if ((opts & (SMB_RDOPT_COMMAND | SMB_RDOPT_REPLY)) == 0)
1197 		opts |= SMB_RDOPT_COMMAND | SMB_RDOPT_REPLY;
1198 
1199 	/*
1200 	 * Get the smb_request_t, for the cmd/reply messages.
1201 	 */
1202 	sr = mdb_zalloc(sizeof (*sr), UM_SLEEP | UM_GC);
1203 	if (mdb_ctf_vread(sr, SMBSRV_SCOPE "smb_request_t",
1204 	    "mdb_smb_request_t", rqaddr, 0) < 0) {
1205 		mdb_warn("failed to read smb_request at %p", rqaddr);
1206 		return (DCMD_ERR);
1207 	}
1208 
1209 	/*
1210 	 * Get the session too, for the IP addresses & ports.
1211 	 */
1212 	ssnaddr = (uintptr_t)sr->session;
1213 	ssn = mdb_zalloc(sizeof (*ssn), UM_SLEEP | UM_GC);
1214 	if (mdb_ctf_vread(ssn, SMBSRV_SCOPE "smb_session_t",
1215 	    "mdb_smb_session_t", ssnaddr, 0) < 0) {
1216 		mdb_warn("failed to read smb_request at %p", ssnaddr);
1217 		return (DCMD_ERR);
1218 	}
1219 
1220 #ifndef	_KMDB
1221 	if (outfile != NULL) {
1222 		rc = smbsrv_pcap_open(outfile);
1223 		if (rc != DCMD_OK)
1224 			return (rc);
1225 		dump_func = smbsrv_pcap_dump;
1226 	} else
1227 #endif	/* _KMDB */
1228 	{
1229 		dump_func = smb_req_dump;
1230 	}
1231 
1232 	if (sr->smb2_messageid != 0)
1233 		msgid = sr->smb2_messageid;
1234 	else
1235 		msgid = sr->smb_mid;
1236 	mdb_printf("Dumping request %-?p, Msg_ID 0x%llx\n",
1237 	    rqaddr, msgid);
1238 
1239 	if (opts & SMB_RDOPT_COMMAND) {
1240 		/*
1241 		 * Dump the command, length=max_bytes
1242 		 * src=remote, dst=local
1243 		 */
1244 		rc = dump_func(&sr->command, sr->command.max_bytes,
1245 		    (smb_inaddr_t *)&ssn->ipaddr, ssn->s_remote_port,
1246 		    (smb_inaddr_t *)&ssn->local_ipaddr, ssn->s_local_port,
1247 		    sr->sr_time_submitted, B_FALSE);
1248 	}
1249 
1250 	if ((opts & SMB_RDOPT_REPLY) != 0 &&
1251 	    rc == DCMD_OK) {
1252 		/*
1253 		 * Dump the reply, length=chain_offset
1254 		 * src=local, dst=remote
1255 		 */
1256 		rc = dump_func(&sr->reply, sr->reply.chain_offset,
1257 		    (smb_inaddr_t *)&ssn->local_ipaddr, ssn->s_local_port,
1258 		    (smb_inaddr_t *)&ssn->ipaddr, ssn->s_remote_port,
1259 		    sr->sr_time_start, B_TRUE);
1260 	}
1261 
1262 #ifndef	_KMDB
1263 	if (outfile != NULL) {
1264 		smbsrv_pcap_close();
1265 	}
1266 #endif
1267 
1268 	return (DCMD_OK);
1269 }
1270 
1271 struct req_dump_state {
1272 	int32_t rem_len;
1273 };
1274 
1275 static int
1276 smb_req_dump(struct mbuf_chain *mbc, int32_t smb_len,
1277     smb_inaddr_t *src_ip, uint16_t src_port,
1278     smb_inaddr_t *dst_ip, uint16_t dst_port,
1279     hrtime_t rqtime, boolean_t is_reply)
1280 {
1281 	char	src_buf[INET6_ADDRSTRLEN];
1282 	char	dst_buf[INET6_ADDRSTRLEN];
1283 	struct req_dump_state dump_state;
1284 	_NOTE(ARGUNUSED(rqtime));
1285 
1286 	if (smb_len < 4)
1287 		return (DCMD_OK);
1288 	if (mbc->chain == NULL)
1289 		return (DCMD_ERR);
1290 
1291 	smb_inaddr_ntop(src_ip, src_buf, sizeof (src_buf));
1292 	smb_inaddr_ntop(dst_ip, dst_buf, sizeof (dst_buf));
1293 
1294 	mdb_printf("%-8s SRC: %s/%u  DST: %s/%u  LEN: %u\n",
1295 	    (is_reply) ? "Reply:" : "Call:",
1296 	    src_buf, src_port, dst_buf, dst_port, smb_len);
1297 
1298 	/*
1299 	 * Calling "smb_mbuf_dump" with a wrapper function
1300 	 * so we can set its length arg, and decrement
1301 	 * req_dump_state.rem_len as it goes.
1302 	 */
1303 	dump_state.rem_len = smb_len;
1304 	if (mdb_pwalk("smb_mbuf_walker", smb_req_dump_m,
1305 	    &dump_state, (uintptr_t)mbc->chain) == -1) {
1306 		mdb_warn("cannot walk smb_req mbuf_chain");
1307 		return (DCMD_ERR);
1308 	}
1309 	return (DCMD_OK);
1310 }
1311 
1312 static int
1313 smb_req_dump_m(uintptr_t m_addr, const void *data, void *arg)
1314 {
1315 	struct req_dump_state *st = arg;
1316 	const struct mbuf *m = data;
1317 	mdb_arg_t	argv;
1318 	int cnt;
1319 
1320 	cnt = st->rem_len;
1321 	if (cnt > m->m_len)
1322 		cnt = m->m_len;
1323 	if (cnt <= 0)
1324 		return (WALK_DONE);
1325 
1326 	argv.a_type = MDB_TYPE_IMMEDIATE;
1327 	argv.a_un.a_val = cnt;
1328 	if (mdb_call_dcmd("smb_mbuf_dump", m_addr, 0, 1, &argv) < 0) {
1329 		mdb_warn("%p::smb_mbuf_dump failed\n", m_addr);
1330 		return (WALK_ERR);
1331 	}
1332 
1333 	st->rem_len -= cnt;
1334 	return (WALK_NEXT);
1335 }
1336 
1337 /*
1338  * *****************************************************************************
1339  * ****************************** smb_user_t ***********************************
1340  * *****************************************************************************
1341  */
1342 typedef struct mdb_smb_user {
1343 	smb_user_state_t	u_state;
1344 
1345 	struct smb_server	*u_server;
1346 	smb_session_t		*u_session;
1347 
1348 	uint16_t		u_name_len;
1349 	char			*u_name;
1350 	uint16_t		u_domain_len;
1351 	char			*u_domain;
1352 	time_t			u_logon_time;
1353 	cred_t			*u_cred;
1354 	cred_t			*u_privcred;
1355 
1356 	uint64_t		u_ssnid;
1357 	uint32_t		u_refcnt;
1358 	uint32_t		u_flags;
1359 	uint32_t		u_privileges;
1360 	uint16_t		u_uid;
1361 } mdb_smb_user_t;
1362 
1363 static const mdb_bitmask_t
1364 user_flag_bits[] = {
1365 	{ "ANON",
1366 	    SMB_USER_FLAG_ANON,
1367 	    SMB_USER_FLAG_ANON },
1368 	{ "GUEST",
1369 	    SMB_USER_FLAG_GUEST,
1370 	    SMB_USER_FLAG_GUEST },
1371 	{ "POWER_USER",
1372 	    SMB_USER_FLAG_POWER_USER,
1373 	    SMB_USER_FLAG_POWER_USER },
1374 	{ "BACKUP_OP",
1375 	    SMB_USER_FLAG_BACKUP_OPERATOR,
1376 	    SMB_USER_FLAG_BACKUP_OPERATOR },
1377 	{ "ADMIN",
1378 	    SMB_USER_FLAG_ADMIN,
1379 	    SMB_USER_FLAG_ADMIN },
1380 	{ NULL, 0, 0 }
1381 };
1382 
1383 static const mdb_bitmask_t
1384 user_priv_bits[] = {
1385 	{ "TAKE_OWNER",
1386 	    SMB_USER_PRIV_TAKE_OWNERSHIP,
1387 	    SMB_USER_PRIV_TAKE_OWNERSHIP },
1388 	{ "BACKUP",
1389 	    SMB_USER_PRIV_BACKUP,
1390 	    SMB_USER_PRIV_BACKUP },
1391 	{ "RESTORE",
1392 	    SMB_USER_PRIV_RESTORE,
1393 	    SMB_USER_PRIV_RESTORE },
1394 	{ "SECURITY",
1395 	    SMB_USER_PRIV_SECURITY,
1396 	    SMB_USER_PRIV_SECURITY },
1397 	{ NULL, 0, 0 }
1398 };
1399 
1400 static void
1401 smbuser_help(void)
1402 {
1403 	mdb_printf(
1404 	    "Display the contents of smb_user_t, with optional filtering.\n\n");
1405 	(void) mdb_dec_indent(2);
1406 	mdb_printf("%<b>OPTIONS%</b>\n");
1407 	(void) mdb_inc_indent(2);
1408 	mdb_printf(
1409 	    "-v\tDisplay verbose smb_user information\n");
1410 }
1411 
1412 static int
1413 smbuser_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1414 {
1415 	uint_t		opts;
1416 
1417 	if (smb_dcmd_getopt(&opts, argc, argv))
1418 		return (DCMD_USAGE);
1419 
1420 	if (!(flags & DCMD_ADDRSPEC)) {
1421 		opts |= SMB_OPT_USER;
1422 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST);
1423 		return (smb_obj_list("smb_user", opts, flags));
1424 	}
1425 
1426 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_USER)) ||
1427 	    !(opts & SMB_OPT_WALK)) {
1428 		mdb_smb_user_t	*user;
1429 		char		*account;
1430 
1431 		user = mdb_zalloc(sizeof (*user), UM_SLEEP | UM_GC);
1432 		if (mdb_ctf_vread(user, SMBSRV_SCOPE "smb_user_t",
1433 		    "mdb_smb_user_t", addr, 0) < 0) {
1434 			mdb_warn("failed to read smb_user at %p", addr);
1435 			return (DCMD_ERR);
1436 		}
1437 		account = mdb_zalloc(user->u_domain_len + user->u_name_len + 2,
1438 		    UM_SLEEP | UM_GC);
1439 
1440 		if (user->u_domain_len)
1441 			(void) mdb_vread(account, user->u_domain_len,
1442 			    (uintptr_t)user->u_domain);
1443 
1444 		strcat(account, "\\");
1445 
1446 		if (user->u_name_len)
1447 			(void) mdb_vread(account + strlen(account),
1448 			    user->u_name_len, (uintptr_t)user->u_name);
1449 
1450 		if (opts & SMB_OPT_VERBOSE) {
1451 			char		state[40];
1452 
1453 			get_enum(state, sizeof (state),
1454 			    "smb_user_state_t", user->u_state,
1455 			    "SMB_USER_STATE_");
1456 
1457 			mdb_printf("%<b>%<u>SMB user information (%p):"
1458 			    "%</u>%</b>\n", addr);
1459 			mdb_printf("UID: %u\n", user->u_uid);
1460 			mdb_printf("SSNID: %llx\n", user->u_ssnid);
1461 			mdb_printf("State: %d (%s)\n", user->u_state, state);
1462 			mdb_printf("Flags: 0x%08x <%b>\n", user->u_flags,
1463 			    user->u_flags, user_flag_bits);
1464 			mdb_printf("Privileges: 0x%08x <%b>\n",
1465 			    user->u_privileges,
1466 			    user->u_privileges, user_priv_bits);
1467 			mdb_printf("Credential: %p\n", user->u_cred);
1468 			mdb_printf("Reference Count: %d\n", user->u_refcnt);
1469 			mdb_printf("User Account: %s\n\n", account);
1470 		} else {
1471 			if (DCMD_HDRSPEC(flags))
1472 				mdb_printf(
1473 				    "%<b>%<u>%?-s "
1474 				    "%-5s "
1475 				    "%-16s "
1476 				    "%-32s%</u>%</b>\n",
1477 				    "USER", "UID", "SSNID", "ACCOUNT");
1478 
1479 			mdb_printf("%-?p %-5u %-16llx %-32s\n",
1480 			    addr, user->u_uid, user->u_ssnid, account);
1481 		}
1482 	}
1483 	return (DCMD_OK);
1484 }
1485 
1486 /*
1487  * *****************************************************************************
1488  * ****************************** smb_tree_t ***********************************
1489  * *****************************************************************************
1490  */
1491 
1492 typedef struct mdb_smb_tree {
1493 	smb_tree_state_t	t_state;
1494 
1495 	smb_node_t		*t_snode;
1496 	smb_llist_t		t_ofile_list;
1497 	smb_llist_t		t_odir_list;
1498 
1499 	uint32_t		t_refcnt;
1500 	uint32_t		t_flags;
1501 	int32_t			t_res_type;
1502 	uint16_t		t_tid;
1503 	uint16_t		t_umask;
1504 	char			t_sharename[MAXNAMELEN];
1505 	char			t_resource[MAXPATHLEN];
1506 	char			t_typename[SMB_TYPENAMELEN];
1507 	char			t_volume[SMB_VOLNAMELEN];
1508 } mdb_smb_tree_t;
1509 
1510 static int
1511 smb_tree_exp_off_ofile_list(void)
1512 {
1513 	int tf_off, ll_off;
1514 
1515 	/* OFFSETOF(smb_tree_t, t_ofile_list.ll_list); */
1516 	GET_OFFSET(tf_off, smb_tree_t, t_ofile_list);
1517 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
1518 	return (tf_off + ll_off);
1519 }
1520 
1521 static int
1522 smb_tree_exp_off_odir_list(void)
1523 {
1524 	int td_off, ll_off;
1525 
1526 	/* OFFSETOF(smb_tree_t, t_odir_list.ll_list); */
1527 	GET_OFFSET(td_off, smb_tree_t, t_odir_list);
1528 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
1529 	return (td_off + ll_off);
1530 }
1531 
1532 /*
1533  * List of objects that can be expanded under a tree structure.
1534  */
1535 static const smb_exp_t smb_tree_exp[] =
1536 {
1537 	{ SMB_OPT_OFILE,
1538 	    smb_tree_exp_off_ofile_list,
1539 	    "smbofile", "smb_ofile"},
1540 	{ SMB_OPT_ODIR,
1541 	    smb_tree_exp_off_odir_list,
1542 	    "smbodir", "smb_odir"},
1543 	{ 0, 0, NULL, NULL}
1544 };
1545 
1546 static const mdb_bitmask_t
1547 tree_flag_bits[] = {
1548 	{ "RO",
1549 	    SMB_TREE_READONLY,
1550 	    SMB_TREE_READONLY },
1551 	{ "ACLS",
1552 	    SMB_TREE_SUPPORTS_ACLS,
1553 	    SMB_TREE_SUPPORTS_ACLS },
1554 	{ "STREAMS",
1555 	    SMB_TREE_STREAMS,
1556 	    SMB_TREE_STREAMS },
1557 	{ "CI",
1558 	    SMB_TREE_CASEINSENSITIVE,
1559 	    SMB_TREE_CASEINSENSITIVE },
1560 	{ "NO_CS",
1561 	    SMB_TREE_NO_CASESENSITIVE,
1562 	    SMB_TREE_NO_CASESENSITIVE },
1563 	{ "NO_EXPORT",
1564 	    SMB_TREE_NO_EXPORT,
1565 	    SMB_TREE_NO_EXPORT },
1566 	{ "OPLOCKS",
1567 	    SMB_TREE_OPLOCKS,
1568 	    SMB_TREE_OPLOCKS },
1569 	{ "SHORTNAMES",
1570 	    SMB_TREE_SHORTNAMES,
1571 	    SMB_TREE_SHORTNAMES },
1572 	{ "XVATTR",
1573 	    SMB_TREE_XVATTR,
1574 	    SMB_TREE_XVATTR },
1575 	{ "DIRENTFLAGS",
1576 	    SMB_TREE_DIRENTFLAGS,
1577 	    SMB_TREE_DIRENTFLAGS },
1578 	{ "ACL_CR",
1579 	    SMB_TREE_ACLONCREATE,
1580 	    SMB_TREE_ACLONCREATE },
1581 	{ "ACEMASK",
1582 	    SMB_TREE_ACEMASKONACCESS,
1583 	    SMB_TREE_ACEMASKONACCESS },
1584 	{ "NFS_MNT",
1585 	    SMB_TREE_NFS_MOUNTED,
1586 	    SMB_TREE_NFS_MOUNTED },
1587 	{ "UNICODE",
1588 	    SMB_TREE_UNICODE_ON_DISK,
1589 	    SMB_TREE_UNICODE_ON_DISK },
1590 	{ "CATIA",
1591 	    SMB_TREE_CATIA,
1592 	    SMB_TREE_CATIA },
1593 	{ "ABE",
1594 	    SMB_TREE_ABE,
1595 	    SMB_TREE_ABE },
1596 	{ "QUOTA",
1597 	    SMB_TREE_QUOTA,
1598 	    SMB_TREE_QUOTA },
1599 	{ "DFSROOT",
1600 	    SMB_TREE_DFSROOT,
1601 	    SMB_TREE_DFSROOT },
1602 	{ "SPARSE",
1603 	    SMB_TREE_SPARSE,
1604 	    SMB_TREE_SPARSE },
1605 	{ "XMOUNTS",
1606 	    SMB_TREE_TRAVERSE_MOUNTS,
1607 	    SMB_TREE_TRAVERSE_MOUNTS },
1608 	{ "FORCE_L2_OPLOCK",
1609 	    SMB_TREE_FORCE_L2_OPLOCK,
1610 	    SMB_TREE_FORCE_L2_OPLOCK },
1611 	{ NULL, 0, 0 }
1612 };
1613 
1614 static void
1615 smbtree_help(void)
1616 {
1617 	mdb_printf(
1618 	    "Display the contents of smb_tree_t, with optional filtering.\n\n");
1619 	(void) mdb_dec_indent(2);
1620 	mdb_printf("%<b>OPTIONS%</b>\n");
1621 	(void) mdb_inc_indent(2);
1622 	mdb_printf(
1623 	    "-v\tDisplay verbose smb_tree information\n"
1624 	    "-d\tDisplay the list of smb_odirs attached\n"
1625 	    "-f\tDisplay the list of smb_ofiles attached\n");
1626 }
1627 
1628 static int
1629 smbtree_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1630 {
1631 	uint_t		opts;
1632 	ulong_t		indent = 0;
1633 
1634 	if (smb_dcmd_getopt(&opts, argc, argv))
1635 		return (DCMD_USAGE);
1636 
1637 	if (!(flags & DCMD_ADDRSPEC)) {
1638 		opts |= SMB_OPT_TREE;
1639 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1640 		    SMB_OPT_USER);
1641 		return (smb_obj_list("smb_tree", opts, flags));
1642 	}
1643 
1644 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_TREE)) ||
1645 	    !(opts & SMB_OPT_WALK)) {
1646 		mdb_smb_tree_t *tree;
1647 
1648 		indent = SMB_DCMD_INDENT;
1649 
1650 		tree = mdb_zalloc(sizeof (*tree), UM_SLEEP | UM_GC);
1651 		if (mdb_ctf_vread(tree, SMBSRV_SCOPE "smb_tree_t",
1652 		    "mdb_smb_tree_t", addr, 0) < 0) {
1653 			mdb_warn("failed to read smb_tree at %p", addr);
1654 			return (DCMD_ERR);
1655 		}
1656 		if (opts & SMB_OPT_VERBOSE) {
1657 			char		state[40];
1658 
1659 			get_enum(state, sizeof (state),
1660 			    "smb_tree_state_t", tree->t_state,
1661 			    "SMB_TREE_STATE_");
1662 
1663 			mdb_printf("%<b>%<u>SMB tree information (%p):"
1664 			    "%</u>%</b>\n\n", addr);
1665 			mdb_printf("TID: %04x\n", tree->t_tid);
1666 			mdb_printf("State: %d (%s)\n", tree->t_state, state);
1667 			mdb_printf("Share: %s\n", tree->t_sharename);
1668 			mdb_printf("Resource: %s\n", tree->t_resource);
1669 			mdb_printf("Type: %s\n", tree->t_typename);
1670 			mdb_printf("Volume: %s\n", tree->t_volume);
1671 			mdb_printf("Umask: %04x\n", tree->t_umask);
1672 			mdb_printf("Flags: %08x <%b>\n", tree->t_flags,
1673 			    tree->t_flags, tree_flag_bits);
1674 			mdb_printf("SMB Node: %llx\n", tree->t_snode);
1675 			mdb_printf("Reference Count: %d\n\n", tree->t_refcnt);
1676 		} else {
1677 			if (DCMD_HDRSPEC(flags))
1678 				mdb_printf(
1679 				    "%<b>%<u>%-?s %-5s %-16s %-32s%</u>%</b>\n",
1680 				    "TREE", "TID", "SHARE NAME", "RESOURCE");
1681 
1682 			mdb_printf("%-?p %-5u %-16s %-32s\n", addr,
1683 			    tree->t_tid, tree->t_sharename, tree->t_resource);
1684 		}
1685 	}
1686 	if (smb_obj_expand(addr, opts, smb_tree_exp, indent))
1687 		return (DCMD_ERR);
1688 	return (DCMD_OK);
1689 }
1690 
1691 /*
1692  * *****************************************************************************
1693  * ****************************** smb_odir_t ***********************************
1694  * *****************************************************************************
1695  */
1696 
1697 typedef struct mdb_smb_odir {
1698 	smb_odir_state_t	d_state;
1699 	smb_session_t		*d_session;
1700 	smb_user_t		*d_user;
1701 	smb_tree_t		*d_tree;
1702 	smb_node_t		*d_dnode;
1703 	uint16_t		d_odid;
1704 	uint32_t		d_refcnt;
1705 	char			d_pattern[MAXNAMELEN];
1706 } mdb_smb_odir_t;
1707 
1708 static int
1709 smbodir_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1710 {
1711 	uint_t		opts;
1712 
1713 	if (smb_dcmd_getopt(&opts, argc, argv))
1714 		return (DCMD_USAGE);
1715 
1716 	if (!(flags & DCMD_ADDRSPEC)) {
1717 		opts |= SMB_OPT_ODIR;
1718 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1719 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE);
1720 		return (smb_obj_list("smb_odir", opts, flags));
1721 	}
1722 
1723 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_ODIR)) ||
1724 	    !(opts & SMB_OPT_WALK)) {
1725 		mdb_smb_odir_t *od;
1726 
1727 		od = mdb_zalloc(sizeof (*od), UM_SLEEP | UM_GC);
1728 		if (mdb_ctf_vread(od, SMBSRV_SCOPE "smb_odir_t",
1729 		    "mdb_smb_odir_t", addr, 0) < 0) {
1730 			mdb_warn("failed to read smb_odir at %p", addr);
1731 			return (DCMD_ERR);
1732 		}
1733 		if (opts & SMB_OPT_VERBOSE) {
1734 			char		state[40];
1735 
1736 			get_enum(state, sizeof (state),
1737 			    "smb_odir_state_t", od->d_state,
1738 			    "SMB_ODIR_STATE_");
1739 
1740 			mdb_printf(
1741 			    "%<b>%<u>SMB odir information (%p):%</u>%</b>\n\n",
1742 			    addr);
1743 			mdb_printf("State: %d (%s)\n", od->d_state, state);
1744 			mdb_printf("SID: %u\n", od->d_odid);
1745 			mdb_printf("User: %p\n", od->d_user);
1746 			mdb_printf("Tree: %p\n", od->d_tree);
1747 			mdb_printf("Reference Count: %d\n", od->d_refcnt);
1748 			mdb_printf("Pattern: %s\n", od->d_pattern);
1749 			mdb_printf("SMB Node: %p\n\n", od->d_dnode);
1750 		} else {
1751 			if (DCMD_HDRSPEC(flags))
1752 				mdb_printf(
1753 				    "%<b>%<u>%-?s "
1754 				    "%-5s "
1755 				    "%-?s "
1756 				    "%-16s%</u>%</b>\n",
1757 				    "ODIR", "SID", "VNODE", "PATTERN");
1758 
1759 			mdb_printf("%?p %-5u %-16p %s\n",
1760 			    addr, od->d_odid, od->d_dnode, od->d_pattern);
1761 		}
1762 	}
1763 	return (DCMD_OK);
1764 }
1765 
1766 /*
1767  * *****************************************************************************
1768  * ****************************** smb_ofile_t **********************************
1769  * *****************************************************************************
1770  */
1771 
1772 typedef struct mdb_smb_ofile {
1773 	smb_ofile_state_t	f_state;
1774 
1775 	struct smb_server	*f_server;
1776 	smb_session_t		*f_session;
1777 	smb_user_t		*f_user;
1778 	smb_tree_t		*f_tree;
1779 	smb_node_t		*f_node;
1780 	smb_odir_t		*f_odir;
1781 	smb_opipe_t		*f_pipe;
1782 
1783 	uint32_t		f_uniqid;
1784 	uint32_t		f_refcnt;
1785 	uint32_t		f_flags;
1786 	uint32_t		f_granted_access;
1787 	uint32_t		f_share_access;
1788 
1789 	uint16_t		f_fid;
1790 	uint16_t		f_ftype;
1791 	uint64_t		f_llf_pos;
1792 	int			f_mode;
1793 	cred_t			*f_cr;
1794 	pid_t			f_pid;
1795 	uintptr_t		f_lease;
1796 	smb_dh_vers_t		dh_vers;
1797 } mdb_smb_ofile_t;
1798 
1799 static const mdb_bitmask_t
1800 ofile_flag_bits[] = {
1801 	{ "RO", 1, 1 }, /* old SMB_OFLAGS_READONLY */
1802 	{ "EXEC",
1803 	    SMB_OFLAGS_EXECONLY,
1804 	    SMB_OFLAGS_EXECONLY },
1805 	{ "DELETE",
1806 	    SMB_OFLAGS_SET_DELETE_ON_CLOSE,
1807 	    SMB_OFLAGS_SET_DELETE_ON_CLOSE },
1808 	{ "POS_VALID",
1809 	    SMB_OFLAGS_LLF_POS_VALID,
1810 	    SMB_OFLAGS_LLF_POS_VALID },
1811 	{ NULL, 0, 0}
1812 };
1813 
1814 static const mdb_bitmask_t
1815 smb_sharemode_bits[] = {
1816 	{ "READ",
1817 	    FILE_SHARE_READ,
1818 	    FILE_SHARE_READ },
1819 	{ "WRITE",
1820 	    FILE_SHARE_WRITE,
1821 	    FILE_SHARE_WRITE },
1822 	{ "DELETE",
1823 	    FILE_SHARE_DELETE,
1824 	    FILE_SHARE_DELETE },
1825 	{ NULL, 0, 0}
1826 };
1827 
1828 static int
1829 smbofile_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1830 {
1831 	uint_t		opts;
1832 
1833 	if (smb_dcmd_getopt(&opts, argc, argv))
1834 		return (DCMD_USAGE);
1835 
1836 	if (!(flags & DCMD_ADDRSPEC)) {
1837 		opts |= SMB_OPT_OFILE;
1838 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1839 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_ODIR);
1840 		return (smb_obj_list("smb_ofile", opts, flags));
1841 	}
1842 
1843 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) ||
1844 	    !(opts & SMB_OPT_WALK)) {
1845 		mdb_smb_ofile_t *of;
1846 
1847 		of = mdb_zalloc(sizeof (*of), UM_SLEEP | UM_GC);
1848 		if (mdb_ctf_vread(of, SMBSRV_SCOPE "smb_ofile_t",
1849 		    "mdb_smb_ofile_t", addr, 0) < 0) {
1850 			mdb_warn("failed to read smb_ofile at %p", addr);
1851 			return (DCMD_ERR);
1852 		}
1853 		if (opts & SMB_OPT_VERBOSE) {
1854 			char		state[40];
1855 			char		durable[40];
1856 
1857 			get_enum(state, sizeof (state),
1858 			    "smb_ofile_state_t", of->f_state,
1859 			    "SMB_OFILE_STATE_");
1860 
1861 			get_enum(durable, sizeof (durable),
1862 			    "smb_dh_vers_t", of->dh_vers,
1863 			    "SMB2_");
1864 
1865 			mdb_printf(
1866 			    "%<b>%<u>SMB ofile information (%p):%</u>%</b>\n\n",
1867 			    addr);
1868 			mdb_printf("FID: %u\n", of->f_fid);
1869 			mdb_printf("State: %d (%s)\n", of->f_state, state);
1870 			mdb_printf("DH Type: %d (%s)\n", of->dh_vers,
1871 			    durable);
1872 			mdb_printf("Lease: %p\n", of->f_lease);
1873 			mdb_printf("SMB Node: %p\n", of->f_node);
1874 			mdb_printf("LLF Offset: 0x%llx (%s)\n",
1875 			    of->f_llf_pos,
1876 			    ((of->f_flags & SMB_OFLAGS_LLF_POS_VALID) ?
1877 			    "Valid" : "Invalid"));
1878 			mdb_printf("Flags: 0x%08x <%b>\n", of->f_flags,
1879 			    of->f_flags, ofile_flag_bits);
1880 			mdb_printf("Granted Acc.: 0x%08x <%b>\n",
1881 			    of->f_granted_access,
1882 			    of->f_granted_access, nt_access_bits);
1883 			mdb_printf("Share Mode: 0x%08x <%b>\n",
1884 			    of->f_share_access,
1885 			    of->f_share_access, smb_sharemode_bits);
1886 			mdb_printf("User: %p\n", of->f_user);
1887 			mdb_printf("Tree: %p\n", of->f_tree);
1888 			mdb_printf("Credential: %p\n\n", of->f_cr);
1889 		} else {
1890 			if (DCMD_HDRSPEC(flags))
1891 				mdb_printf(
1892 				    "%<b>%<u>%-?s "
1893 				    "%-5s "
1894 				    "%-?s "
1895 				    "%-?s "
1896 				    "%-?s "
1897 				    "%</u>%</b>\n",
1898 				    "OFILE",
1899 				    "FID",
1900 				    "NODE",
1901 				    "CRED",
1902 				    "LEASE");
1903 
1904 			mdb_printf("%?p %-5u %-p %-p %-p\n", addr,
1905 			    of->f_fid, of->f_node, of->f_cr, of->f_lease);
1906 		}
1907 	}
1908 	return (DCMD_OK);
1909 }
1910 
1911 static int
1912 smbdurable_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1913 {
1914 	mdb_smb_server_t *sv;
1915 
1916 	if (!(flags & DCMD_ADDRSPEC)) {
1917 		mdb_printf("require address of an smb_server_t\n");
1918 		return (WALK_ERR);
1919 	}
1920 
1921 	sv = mdb_zalloc(sizeof (*sv), UM_SLEEP | UM_GC);
1922 	if (mdb_ctf_vread(sv, SMBSRV_SCOPE "smb_server_t",
1923 	    "mdb_smb_server_t", addr, 0) < 0) {
1924 		mdb_warn("failed to read smb_server at %p", addr);
1925 		return (DCMD_ERR);
1926 	}
1927 
1928 	if (mdb_pwalk_dcmd("smb_hash_walker", "smbofile",
1929 	    argc, argv, (uintptr_t)sv->sv_persistid_ht) == -1) {
1930 		mdb_warn("failed to walk 'smb_ofile'");
1931 		return (DCMD_ERR);
1932 	}
1933 	return (DCMD_OK);
1934 }
1935 
1936 static int
1937 smb_hash_walk_init(mdb_walk_state_t *wsp)
1938 {
1939 	smb_hash_t hash;
1940 	int ll_off, sll_off, i;
1941 	uintptr_t addr = wsp->walk_addr;
1942 
1943 	if (addr == NULL) {
1944 		mdb_printf("require address of an smb_hash_t\n");
1945 		return (WALK_ERR);
1946 	}
1947 
1948 	GET_OFFSET(sll_off, smb_bucket_t, b_list);
1949 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
1950 
1951 	if (mdb_vread(&hash, sizeof (hash), addr) == -1) {
1952 		mdb_warn("failed to read smb_hash_t at %p", addr);
1953 		return (WALK_ERR);
1954 	}
1955 
1956 	for (i = 0; i < hash.num_buckets; i++) {
1957 		wsp->walk_addr = (uintptr_t)hash.buckets +
1958 		    (i * sizeof (smb_bucket_t)) + sll_off + ll_off;
1959 		if (mdb_layered_walk("list", wsp) == -1) {
1960 			mdb_warn("failed to walk 'list'");
1961 			return (WALK_ERR);
1962 		}
1963 	}
1964 
1965 	return (WALK_NEXT);
1966 }
1967 
1968 static int
1969 smb_hash_walk_step(mdb_walk_state_t *wsp)
1970 {
1971 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1972 	    wsp->walk_cbdata));
1973 }
1974 
1975 static int
1976 smbhashstat_cb(uintptr_t addr, const void *data, void *varg)
1977 {
1978 	_NOTE(ARGUNUSED(varg))
1979 	const smb_bucket_t *bucket = data;
1980 
1981 	mdb_printf("%-?p ", addr);	/* smb_bucket_t */
1982 	mdb_printf("%-6u ", bucket->b_list.ll_count);
1983 	mdb_printf("%-16u", bucket->b_max_seen);
1984 	mdb_printf("%-u\n", (bucket->b_list.ll_wrop +
1985 	    bucket->b_list.ll_count) / 2);
1986 	return (WALK_NEXT);
1987 }
1988 
1989 static int
1990 smbhashstat_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1991 {
1992 	_NOTE(ARGUNUSED(argc, argv))
1993 	if (!(flags & DCMD_ADDRSPEC)) {
1994 		mdb_printf("require address of an smb_hash_t\n");
1995 		return (DCMD_USAGE);
1996 	}
1997 
1998 	if (DCMD_HDRSPEC(flags)) {
1999 		mdb_printf(
2000 		    "%<b>%<u>"
2001 		    "%-?s "
2002 		    "%-6s "
2003 		    "%-16s"
2004 		    "%-s"
2005 		    "%</u>%</b>\n",
2006 		    "smb_bucket_t", "count", "largest seen", "inserts");
2007 	}
2008 
2009 	if (mdb_pwalk("smb_hashstat_walker", smbhashstat_cb,
2010 	    NULL, addr) == -1) {
2011 		mdb_warn("failed to walk 'smb_ofile'");
2012 		return (DCMD_ERR);
2013 	}
2014 	return (DCMD_OK);
2015 }
2016 
2017 typedef struct smb_hash_wd {
2018 	smb_bucket_t	*bucket;
2019 	smb_bucket_t	*end;
2020 } smb_hash_wd_t;
2021 
2022 static int
2023 smb_hashstat_walk_init(mdb_walk_state_t *wsp)
2024 {
2025 	int sll_off, ll_off;
2026 	smb_hash_t hash;
2027 	smb_bucket_t *buckets;
2028 	uintptr_t addr = wsp->walk_addr;
2029 	uint32_t arr_sz;
2030 	smb_hash_wd_t *wd;
2031 
2032 	if (addr == NULL) {
2033 		mdb_printf("require address of an smb_hash_t\n");
2034 		return (WALK_ERR);
2035 	}
2036 
2037 	GET_OFFSET(sll_off, smb_bucket_t, b_list);
2038 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
2039 
2040 	if (mdb_vread(&hash, sizeof (hash), addr) == -1) {
2041 		mdb_warn("failed to read smb_hash_t at %p", addr);
2042 		return (WALK_ERR);
2043 	}
2044 
2045 	arr_sz = hash.num_buckets * sizeof (smb_bucket_t);
2046 	buckets = mdb_alloc(arr_sz, UM_SLEEP | UM_GC);
2047 	if (mdb_vread(buckets, arr_sz, (uintptr_t)hash.buckets) == -1) {
2048 		mdb_warn("failed to read smb_bucket_t array at %p",
2049 		    hash.buckets);
2050 		return (WALK_ERR);
2051 	}
2052 
2053 	wd = mdb_alloc(sizeof (*wd), UM_SLEEP | UM_GC);
2054 	wd->bucket = buckets;
2055 	wd->end = buckets + hash.num_buckets;
2056 
2057 	wsp->walk_addr = (uintptr_t)hash.buckets;
2058 	wsp->walk_data = wd;
2059 
2060 	return (WALK_NEXT);
2061 }
2062 
2063 static int
2064 smb_hashstat_walk_step(mdb_walk_state_t *wsp)
2065 {
2066 	int rc;
2067 	smb_hash_wd_t *wd = wsp->walk_data;
2068 
2069 	if (wd->bucket >= wd->end)
2070 		return (WALK_DONE);
2071 
2072 	rc = wsp->walk_callback(wsp->walk_addr, wd->bucket++,
2073 	    wsp->walk_cbdata);
2074 
2075 	wsp->walk_addr += sizeof (smb_bucket_t);
2076 	return (rc);
2077 }
2078 
2079 /*
2080  * smbsrv_leases
2081  */
2082 static int
2083 smbsrv_leases_dcmd(uintptr_t addr, uint_t flags, int argc,
2084     const mdb_arg_t *argv)
2085 {
2086 	uint_t		opts;
2087 	int		ht_off;
2088 	uintptr_t	ht_addr;
2089 
2090 	if (smb_dcmd_getopt(&opts, argc, argv))
2091 		return (DCMD_USAGE);
2092 
2093 	if (!(flags & DCMD_ADDRSPEC)) {
2094 		mdb_printf("require address of an smb_server_t\n");
2095 		return (DCMD_USAGE);
2096 	}
2097 
2098 	ht_off = mdb_ctf_offsetof_by_name("smb_server_t", "sv_lease_ht");
2099 	if (ht_off < 0) {
2100 		mdb_warn("No .sv_lease_ht in server (old kernel?)");
2101 		return (DCMD_ERR);
2102 	}
2103 	addr += ht_off;
2104 
2105 	if (mdb_vread(&ht_addr, sizeof (ht_addr), addr) <= 0) {
2106 		mdb_warn("failed to read server .sv_lease_ht");
2107 		return (DCMD_ERR);
2108 	}
2109 
2110 	if (mdb_pwalk_dcmd("smb_hash_walker", "smblease",
2111 	    argc, argv, ht_addr) == -1) {
2112 		mdb_warn("failed to walk 'smb_lease'");
2113 		return (DCMD_ERR);
2114 	}
2115 	return (DCMD_OK);
2116 }
2117 
2118 typedef struct mdb_smb_lease {
2119 	struct smb_node		*ls_node;
2120 	uint32_t		ls_refcnt;
2121 	uint16_t		ls_epoch;
2122 	uint8_t			ls_key[SMB_LEASE_KEY_SZ];
2123 } mdb_smb_lease_t;
2124 
2125 static int
2126 smblease_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2127 {
2128 	mdb_smb_lease_t *ls;
2129 	uint_t opts;
2130 	int i;
2131 
2132 	if (smb_dcmd_getopt(&opts, argc, argv))
2133 		return (DCMD_USAGE);
2134 
2135 	if (!(flags & DCMD_ADDRSPEC)) {
2136 		mdb_printf("require address of an smb_lease_t\n");
2137 		return (DCMD_USAGE);
2138 	}
2139 
2140 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) ||
2141 	    !(opts & SMB_OPT_WALK)) {
2142 
2143 		ls = mdb_zalloc(sizeof (*ls), UM_SLEEP | UM_GC);
2144 		if (mdb_ctf_vread(ls, SMBSRV_SCOPE "smb_lease_t",
2145 		    "mdb_smb_lease_t", addr, 0) < 0) {
2146 			mdb_warn("failed to read smb_lease_t at %p", addr);
2147 			return (DCMD_ERR);
2148 		}
2149 		if (opts & SMB_OPT_VERBOSE) {
2150 
2151 			mdb_printf(
2152 			    "%<b>%<u>SMB lease (%p):%</u>%</b>\n\n", addr);
2153 
2154 			mdb_printf("SMB Node: %p\n", ls->ls_node);
2155 			mdb_printf("Refcount: %u\n", ls->ls_refcnt);
2156 			mdb_printf("Epoch: %u\n", ls->ls_epoch);
2157 
2158 			mdb_printf("Key: [");
2159 			for (i = 0; i < SMB_LEASE_KEY_SZ; i++) {
2160 				mdb_printf(" %02x", ls->ls_key[i] & 0xFF);
2161 				if ((i & 3) == 3)
2162 					mdb_printf(" ");
2163 			}
2164 			mdb_printf(" ]\n");
2165 		} else {
2166 			if (DCMD_HDRSPEC(flags))
2167 				mdb_printf(
2168 				    "%<b>%<u>"
2169 				    "%-?s "
2170 				    "%-?s "
2171 				    "%-?s%</u>%</b>\n",
2172 				    "LEASE", "SMB NODE", "KEY");
2173 
2174 			mdb_printf("%?p %-p [", addr, ls->ls_node);
2175 			for (i = 0; i < 8; i++) {
2176 				mdb_printf(" %02x", ls->ls_key[i] & 0xFF);
2177 			}
2178 			mdb_printf(" ...]\n");
2179 		}
2180 	}
2181 
2182 	return (DCMD_OK);
2183 }
2184 
2185 /*
2186  * *****************************************************************************
2187  * ******************************** smb_kshare_t *******************************
2188  * *****************************************************************************
2189  */
2190 
2191 struct smb_kshare_cb_args {
2192 	uint_t		opts;
2193 	char name[MAXNAMELEN];
2194 	char path[MAXPATHLEN];
2195 };
2196 
2197 static int
2198 smb_kshare_cb(uintptr_t addr, const void *data, void *varg)
2199 {
2200 	struct smb_kshare_cb_args *args = varg;
2201 	const smb_kshare_t *shr = data;
2202 
2203 	if (args->opts & SMB_OPT_VERBOSE) {
2204 		mdb_arg_t	argv;
2205 
2206 		argv.a_type = MDB_TYPE_STRING;
2207 		argv.a_un.a_str = "smb_kshare_t";
2208 		/* Don't fail the walk if this fails. */
2209 		mdb_printf("%-?p ", addr);
2210 		mdb_call_dcmd("print", addr, 0, 1, &argv);
2211 		return (WALK_NEXT);
2212 	}
2213 
2214 	/*
2215 	 * Summary line for an smb_kshare_t
2216 	 * Don't fail the walk if any of these fail.
2217 	 *
2218 	 * Get the shr_name and shr_path strings.
2219 	 */
2220 	if (mdb_readstr(args->name, sizeof (args->name),
2221 	    (uintptr_t)shr->shr_name) <= 0)
2222 		strcpy(args->name, "?");
2223 
2224 	if (mdb_readstr(args->path, sizeof (args->path),
2225 	    (uintptr_t)shr->shr_path) <= 0)
2226 		strcpy(args->path, "?");
2227 
2228 	mdb_printf("%-?p ", addr);	/* smb_kshare_t */
2229 	mdb_printf("%-16s ", args->name);
2230 	mdb_printf("%-s\n", args->path);
2231 
2232 	return (WALK_NEXT);
2233 }
2234 
2235 /*
2236  * ::smbshare
2237  *
2238  * smbshare dcmd - Print out smb_kshare structures.
2239  *	requires addr of an smb_server_t
2240  */
2241 /*ARGSUSED*/
2242 static int
2243 smbshare_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2244 {
2245 	struct smb_kshare_cb_args *args;
2246 
2247 	args = mdb_zalloc(sizeof (*args), UM_SLEEP | UM_GC);
2248 	if (mdb_getopts(argc, argv,
2249 	    'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, &args->opts,
2250 	    NULL) != argc)
2251 		return (DCMD_USAGE);
2252 
2253 	if (!(flags & DCMD_ADDRSPEC))
2254 		return (DCMD_USAGE);
2255 
2256 	if (DCMD_HDRSPEC(flags)) {
2257 		if ((args->opts & SMB_OPT_VERBOSE) != 0) {
2258 			mdb_printf("%<b>%<u>SMB kshares list:%</u>%</b>\n");
2259 		} else {
2260 			mdb_printf(
2261 			    "%<b>%<u>"
2262 			    "%-?s "
2263 			    "%-16s "
2264 			    "%-s"
2265 			    "%</u>%</b>\n",
2266 			    "smb_kshare_t", "name", "path");
2267 		}
2268 	}
2269 
2270 	if (mdb_pwalk("smbshare_walker", smb_kshare_cb, args, addr) == -1) {
2271 		mdb_warn("cannot walk smb_kshare avl");
2272 		return (DCMD_ERR);
2273 	}
2274 
2275 	return (DCMD_OK);
2276 }
2277 
2278 /*
2279  * Initialize the smb_kshare_t walker to point to the smb_export
2280  * in the specified smb_server_t instance.  (no global walks)
2281  */
2282 static int
2283 smb_kshare_walk_init(mdb_walk_state_t *wsp)
2284 {
2285 	int sv_exp_off, ex_sha_off, avl_tr_off;
2286 
2287 	if (wsp->walk_addr == 0) {
2288 		mdb_printf("require address of an smb_server_t\n");
2289 		return (WALK_ERR);
2290 	}
2291 
2292 	/*
2293 	 * Using CTF to get the equivalent of:
2294 	 * OFFSETOF(smb_server_t, sv_export.e_share_avl.avl_tree);
2295 	 */
2296 	GET_OFFSET(sv_exp_off, smb_server_t, sv_export);
2297 	GET_OFFSET(ex_sha_off, smb_export_t, e_share_avl);
2298 	GET_OFFSET(avl_tr_off, smb_avl_t, avl_tree);
2299 	wsp->walk_addr += (sv_exp_off + ex_sha_off + avl_tr_off);
2300 
2301 	if (mdb_layered_walk("avl", wsp) == -1) {
2302 		mdb_warn("failed to walk list of smb_kshare_t");
2303 		return (WALK_ERR);
2304 	}
2305 
2306 	return (WALK_NEXT);
2307 }
2308 
2309 static int
2310 smb_kshare_walk_step(mdb_walk_state_t *wsp)
2311 {
2312 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2313 	    wsp->walk_cbdata));
2314 }
2315 
2316 /*
2317  * *****************************************************************************
2318  * ******************************** smb_vfs_t **********************************
2319  * *****************************************************************************
2320  */
2321 
2322 struct smb_vfs_cb_args {
2323 	uint_t		opts;
2324 	vnode_t		vn;
2325 	char		path[MAXPATHLEN];
2326 };
2327 
2328 static int
2329 smb_vfs_cb(uintptr_t addr, const void *data, void *varg)
2330 {
2331 	struct smb_vfs_cb_args *args = varg;
2332 	const smb_vfs_t *sf = data;
2333 
2334 	if (args->opts & SMB_OPT_VERBOSE) {
2335 		mdb_arg_t	argv;
2336 
2337 		argv.a_type = MDB_TYPE_STRING;
2338 		argv.a_un.a_str = "smb_vfs_t";
2339 		/* Don't fail the walk if this fails. */
2340 		mdb_printf("%-?p ", addr);
2341 		mdb_call_dcmd("print", addr, 0, 1, &argv);
2342 		return (WALK_NEXT);
2343 	}
2344 
2345 	/*
2346 	 * Summary line for an smb_vfs_t
2347 	 * Don't fail the walk if any of these fail.
2348 	 *
2349 	 * Get the vnode v_path string if we can.
2350 	 */
2351 	strcpy(args->path, "?");
2352 	if (mdb_vread(&args->vn, sizeof (args->vn),
2353 	    (uintptr_t)sf->sv_rootvp) == sizeof (args->vn))
2354 		(void) mdb_readstr(args->path, sizeof (args->path),
2355 		    (uintptr_t)args->vn.v_path);
2356 
2357 	mdb_printf("%-?p ", addr);
2358 	mdb_printf("%-10d ", sf->sv_refcnt);
2359 	mdb_printf("%-?p ", sf->sv_vfsp);
2360 	mdb_printf("%-?p ", sf->sv_rootvp);
2361 	mdb_printf("%-s\n", args->path);
2362 
2363 	return (WALK_NEXT);
2364 }
2365 
2366 /*
2367  * ::smbvfs
2368  *
2369  * smbvfs dcmd - Prints out smb_vfs structures.
2370  *	requires addr of an smb_server_t
2371  */
2372 /*ARGSUSED*/
2373 static int
2374 smbvfs_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2375 {
2376 	struct smb_vfs_cb_args *args;
2377 
2378 	args = mdb_zalloc(sizeof (*args), UM_SLEEP | UM_GC);
2379 	if (mdb_getopts(argc, argv,
2380 	    'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, &args->opts,
2381 	    NULL) != argc)
2382 		return (DCMD_USAGE);
2383 
2384 	if (!(flags & DCMD_ADDRSPEC))
2385 		return (DCMD_USAGE);
2386 
2387 	if (DCMD_HDRSPEC(flags)) {
2388 		if ((args->opts & SMB_OPT_VERBOSE) != 0) {
2389 			mdb_printf("%<b>%<u>SMB VFS list:%</u>%</b>\n");
2390 		} else {
2391 			mdb_printf(
2392 			    "%<b>%<u>"
2393 			    "%-?s "
2394 			    "%-10s "
2395 			    "%-16s "
2396 			    "%-16s"
2397 			    "%-s"
2398 			    "%</u>%</b>\n",
2399 			    "SMB_VFS", "REFCNT", "VFS", "VNODE", "ROOT");
2400 		}
2401 	}
2402 
2403 	if (mdb_pwalk("smbvfs_walker", smb_vfs_cb, args, addr) == -1) {
2404 		mdb_warn("cannot walk smb_vfs list");
2405 		return (DCMD_ERR);
2406 	}
2407 
2408 	return (DCMD_OK);
2409 }
2410 
2411 /*
2412  * Initialize the smb_vfs_t walker to point to the smb_export
2413  * in the specified smb_server_t instance.  (no global walks)
2414  */
2415 static int
2416 smb_vfs_walk_init(mdb_walk_state_t *wsp)
2417 {
2418 	int sv_exp_off, ex_vfs_off, ll_off;
2419 
2420 	if (wsp->walk_addr == 0) {
2421 		mdb_printf("require address of an smb_server_t\n");
2422 		return (WALK_ERR);
2423 	}
2424 
2425 	/*
2426 	 * Using CTF to get the equivalent of:
2427 	 * OFFSETOF(smb_server_t, sv_export.e_vfs_list.ll_list);
2428 	 */
2429 	GET_OFFSET(sv_exp_off, smb_server_t, sv_export);
2430 	GET_OFFSET(ex_vfs_off, smb_export_t, e_vfs_list);
2431 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
2432 	wsp->walk_addr += (sv_exp_off + ex_vfs_off + ll_off);
2433 
2434 	if (mdb_layered_walk("list", wsp) == -1) {
2435 		mdb_warn("failed to walk list of smb_vfs_t");
2436 		return (WALK_ERR);
2437 	}
2438 
2439 	return (WALK_NEXT);
2440 }
2441 
2442 static int
2443 smb_vfs_walk_step(mdb_walk_state_t *wsp)
2444 {
2445 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2446 	    wsp->walk_cbdata));
2447 }
2448 
2449 /*
2450  * *****************************************************************************
2451  * ******************************* smb_node_t **********************************
2452  * *****************************************************************************
2453  */
2454 
2455 typedef struct mdb_smb_node {
2456 	smb_node_state_t	n_state;
2457 	uint32_t		n_refcnt;
2458 	uint32_t		n_open_count;
2459 	uint32_t		n_opening_count;
2460 	smb_llist_t		n_ofile_list;
2461 	smb_llist_t		n_lock_list;
2462 	volatile int		flags;
2463 	struct smb_node		*n_dnode;
2464 	struct smb_node		*n_unode;
2465 	char			od_name[MAXNAMELEN];
2466 	vnode_t			*vp;
2467 	smb_audit_buf_node_t	*n_audit_buf;
2468 	/* Newer members (not in old kernels) - keep last! */
2469 	smb_llist_t		n_wlock_list;
2470 } mdb_smb_node_t;
2471 typedef struct mdb_smb_node_old {
2472 	/* Note: MUST be layout as above! */
2473 	smb_node_state_t	n_state;
2474 	uint32_t		n_refcnt;
2475 	uint32_t		n_open_count;
2476 	uint32_t		n_opening_count;
2477 	smb_llist_t		n_ofile_list;
2478 	smb_llist_t		n_lock_list;
2479 	volatile int		flags;
2480 	struct smb_node		*n_dnode;
2481 	struct smb_node		*n_unode;
2482 	char			od_name[MAXNAMELEN];
2483 	vnode_t			*vp;
2484 	smb_audit_buf_node_t	*n_audit_buf;
2485 	/* Newer members omitted from _old */
2486 } mdb_smb_node_old_t;
2487 
2488 static void
2489 smbnode_help(void)
2490 {
2491 	mdb_printf(
2492 	    "Display the contents of smb_node_t, with optional filtering.\n\n");
2493 	(void) mdb_dec_indent(2);
2494 	mdb_printf("%<b>OPTIONS%</b>\n");
2495 	(void) mdb_inc_indent(2);
2496 	mdb_printf(
2497 	    "-v\tDisplay verbose smb_node information\n"
2498 	    "-p\tDisplay the full path of the vnode associated\n"
2499 	    "-s\tDisplay the stack of the last 16 calls that modified the "
2500 	    "reference\n\tcount\n");
2501 }
2502 
2503 /*
2504  * ::smbnode
2505  *
2506  * smb_node dcmd - Print out smb_node structure.
2507  */
2508 static int
2509 smbnode_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2510 {
2511 	static smb_llist_t zero_llist = {0};
2512 	mdb_smb_node_t	node;
2513 	int		rc;
2514 	int		verbose = FALSE;
2515 	int		print_full_path = FALSE;
2516 	int		stack_trace = FALSE;
2517 	int		ol_cnt = 0;
2518 	vnode_t		vnode;
2519 	char		od_name[MAXNAMELEN];
2520 	char		path_name[1024];
2521 	uintptr_t	list_addr;
2522 	struct mdb_smb_oplock *node_oplock;
2523 
2524 	if (mdb_getopts(argc, argv,
2525 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
2526 	    'p', MDB_OPT_SETBITS, TRUE, &print_full_path,
2527 	    's', MDB_OPT_SETBITS, TRUE, &stack_trace,
2528 	    NULL) != argc)
2529 		return (DCMD_USAGE);
2530 
2531 	/*
2532 	 * If no smb_node address was specified on the command line, we can
2533 	 * print out all smb nodes by invoking the smb_node walker, using
2534 	 * this dcmd itself as the callback.
2535 	 */
2536 	if (!(flags & DCMD_ADDRSPEC)) {
2537 		if (mdb_walk_dcmd("smbnode_walker", "smbnode",
2538 		    argc, argv) == -1) {
2539 			mdb_warn("failed to walk 'smb_node'");
2540 			return (DCMD_ERR);
2541 		}
2542 		return (DCMD_OK);
2543 	}
2544 
2545 	/*
2546 	 * For each smb_node, we just need to read the smb_node_t struct, read
2547 	 * and then print out the following fields.
2548 	 */
2549 	if (mdb_ctf_vread(&node, SMBSRV_SCOPE "smb_node_t",
2550 	    "mdb_smb_node_t", addr, 0) < 0) {
2551 		/*
2552 		 * Fall-back handling for mdb_smb_node_old_t
2553 		 * Should remove after a while.
2554 		 */
2555 		if (mdb_ctf_vread(&node, SMBSRV_SCOPE "smb_node_t",
2556 		    "mdb_smb_node_old_t", addr, 0) < 0) {
2557 			mdb_warn("failed to read struct smb_node at %p", addr);
2558 			return (DCMD_ERR);
2559 		}
2560 		node.n_wlock_list = zero_llist;
2561 	}
2562 
2563 	(void) mdb_snprintf(od_name, sizeof (od_name), "%s",
2564 	    node.od_name);
2565 	if (print_full_path) {
2566 		if (mdb_vread(&vnode, sizeof (vnode_t),
2567 		    (uintptr_t)node.vp) == sizeof (vnode_t)) {
2568 			if (mdb_readstr(path_name, sizeof (path_name),
2569 			    (uintptr_t)vnode.v_path) <= 0) {
2570 				(void) mdb_snprintf(path_name,
2571 				    sizeof (path_name), "N/A");
2572 			}
2573 		}
2574 	}
2575 
2576 	rc = smb_node_get_oplock(addr, &node_oplock);
2577 	if (rc != DCMD_OK)
2578 		return (rc);
2579 	ol_cnt = smb_node_oplock_cnt(node_oplock);
2580 
2581 	if (verbose) {
2582 		int nol_off, nll_off, wll_off, ll_off;
2583 
2584 		GET_OFFSET(nol_off, smb_node_t, n_ofile_list);
2585 		GET_OFFSET(nll_off, smb_node_t, n_lock_list);
2586 		GET_OFFSET(ll_off, smb_llist_t, ll_list);
2587 		/* This one is optional (for now). */
2588 		/* GET_OFFSET(wll_off, smb_node_t, n_wlock_list); */
2589 		wll_off = mdb_ctf_offsetof_by_name(
2590 		    "smb_node_t", "n_wlock_list");
2591 
2592 		mdb_printf("%<b>%<u>SMB node information "
2593 		    "(%p):%</u>%</b>\n", addr);
2594 		mdb_printf("VP: %p\n", node.vp);
2595 		mdb_printf("Name: %s\n", od_name);
2596 		if (print_full_path)
2597 			mdb_printf("V-node Path: %s\n", path_name);
2598 		mdb_printf("Reference Count: %u\n", node.n_refcnt);
2599 		mdb_printf("Ofiles: %u\n", node.n_ofile_list.ll_count);
2600 		if (node.n_ofile_list.ll_count != 0 && nol_off != -1) {
2601 			(void) mdb_inc_indent(SMB_DCMD_INDENT);
2602 			list_addr = addr + nol_off + ll_off;
2603 			if (mdb_pwalk_dcmd("list", "smbofile", 0,
2604 			    NULL, list_addr)) {
2605 				mdb_warn("failed to walk node's ofiles");
2606 			}
2607 			(void) mdb_dec_indent(SMB_DCMD_INDENT);
2608 		}
2609 
2610 		mdb_printf("Granted Locks: %u\n",
2611 		    node.n_lock_list.ll_count);
2612 		if (node.n_lock_list.ll_count != 0) {
2613 			(void) mdb_inc_indent(SMB_DCMD_INDENT);
2614 			list_addr = addr + nll_off + ll_off;
2615 			if (mdb_pwalk_dcmd("list", "smblock", 0,
2616 			    NULL, list_addr)) {
2617 				mdb_warn("failed to walk node's granted"
2618 				    " locks");
2619 			}
2620 			(void) mdb_dec_indent(SMB_DCMD_INDENT);
2621 		}
2622 		mdb_printf("Waiting Locks: %u\n",
2623 		    node.n_wlock_list.ll_count);
2624 		if (node.n_wlock_list.ll_count != 0 && wll_off != -1) {
2625 			(void) mdb_inc_indent(SMB_DCMD_INDENT);
2626 			list_addr = addr + wll_off + ll_off;
2627 			if (mdb_pwalk_dcmd("list", "smblock", 0,
2628 			    NULL, list_addr)) {
2629 				mdb_warn("failed to walk node's waiting"
2630 				    " locks");
2631 			}
2632 			(void) mdb_dec_indent(SMB_DCMD_INDENT);
2633 		}
2634 		if (ol_cnt == 0) {
2635 			mdb_printf("Opportunistic Locks: (none)\n");
2636 		} else {
2637 			mdb_printf("Opportunistic Locks:\n");
2638 			(void) mdb_inc_indent(SMB_DCMD_INDENT);
2639 			/* Takes node address */
2640 			rc = mdb_call_dcmd("smbnode_oplock", addr,
2641 			    flags, argc, argv);
2642 			(void) mdb_dec_indent(SMB_DCMD_INDENT);
2643 			if (rc != DCMD_OK)
2644 				return (rc);
2645 		}
2646 	} else {
2647 		if (DCMD_HDRSPEC(flags)) {
2648 			mdb_printf(
2649 			    "%<b>%<u>%-?s "
2650 			    "%-?s "
2651 			    "%-18s "
2652 			    "%-6s "
2653 			    "%-6s "
2654 			    "%-8s "
2655 			    "%-8s "
2656 			    "%-6s%</u>%</b>\n",
2657 			    "ADDR", "VP", "NODE-NAME", "OFILES", "LOCKS",
2658 			    "WLOCKS", "OPLOCK", "REF");
2659 		}
2660 
2661 		mdb_printf("%-?p %-?p %-18s %-6d %-6d %-8d %-8d %-6d ",
2662 		    addr, node.vp, od_name, node.n_ofile_list.ll_count,
2663 		    node.n_lock_list.ll_count, node.n_wlock_list.ll_count,
2664 		    ol_cnt, node.n_refcnt);
2665 
2666 		if (print_full_path)
2667 			mdb_printf("\t%s\n", path_name);
2668 	}
2669 	if (stack_trace && node.n_audit_buf) {
2670 		int ctr;
2671 		smb_audit_buf_node_t *anb;
2672 
2673 		anb = mdb_alloc(sizeof (smb_audit_buf_node_t),
2674 		    UM_SLEEP | UM_GC);
2675 
2676 		if (mdb_vread(anb, sizeof (*anb),
2677 		    (uintptr_t)node.n_audit_buf) != sizeof (*anb)) {
2678 			mdb_warn("failed to read audit buffer");
2679 			return (DCMD_ERR);
2680 		}
2681 		ctr = anb->anb_max_index + 1;
2682 		anb->anb_index--;
2683 		anb->anb_index &= anb->anb_max_index;
2684 
2685 		while (ctr) {
2686 			smb_audit_record_node_t	*anr;
2687 
2688 			anr = anb->anb_records + anb->anb_index;
2689 
2690 			if (anr->anr_depth) {
2691 				char c[MDB_SYM_NAMLEN];
2692 				GElf_Sym sym;
2693 				int i;
2694 
2695 				mdb_printf("\nRefCnt: %u\t",
2696 				    anr->anr_refcnt);
2697 
2698 				for (i = 0;
2699 				    i < anr->anr_depth;
2700 				    i++) {
2701 					if (mdb_lookup_by_addr(
2702 					    anr->anr_stack[i],
2703 					    MDB_SYM_FUZZY,
2704 					    c, sizeof (c),
2705 					    &sym) == -1) {
2706 						continue;
2707 					}
2708 					mdb_printf("%s+0x%1x",
2709 					    c,
2710 					    anr->anr_stack[i] -
2711 					    (uintptr_t)sym.st_value);
2712 					++i;
2713 					break;
2714 				}
2715 
2716 				while (i < anr->anr_depth) {
2717 					if (mdb_lookup_by_addr(
2718 					    anr->anr_stack[i],
2719 					    MDB_SYM_FUZZY,
2720 					    c, sizeof (c),
2721 					    &sym) == -1) {
2722 						++i;
2723 						continue;
2724 					}
2725 					mdb_printf("\n\t\t%s+0x%1x",
2726 					    c,
2727 					    anr->anr_stack[i] -
2728 					    (uintptr_t)sym.st_value);
2729 					++i;
2730 				}
2731 				mdb_printf("\n");
2732 			}
2733 			anb->anb_index--;
2734 			anb->anb_index &= anb->anb_max_index;
2735 			ctr--;
2736 		}
2737 	}
2738 
2739 	return (DCMD_OK);
2740 }
2741 
2742 /*
2743  * Initialize the smb_node_t walker by reading the value of smb_node_hash_table
2744  * in the kernel's symbol table. Only global walk supported.
2745  */
2746 static int
2747 smb_node_walk_init(mdb_walk_state_t *wsp)
2748 {
2749 	GElf_Sym	sym;
2750 	uintptr_t	node_hash_table_addr;
2751 	int		ll_off;
2752 	int		i;
2753 
2754 	if (wsp->walk_addr == 0) {
2755 		if (mdb_lookup_by_obj(SMBSRV_OBJNAME, "smb_node_hash_table",
2756 		    &sym) == -1) {
2757 			mdb_warn("failed to find 'smb_node_hash_table'");
2758 			return (WALK_ERR);
2759 		}
2760 		node_hash_table_addr = (uintptr_t)sym.st_value;
2761 	} else {
2762 		mdb_printf("smb_node walk only supports global walks\n");
2763 		return (WALK_ERR);
2764 	}
2765 
2766 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
2767 
2768 	for (i = 0; i < SMBND_HASH_MASK + 1; i++) {
2769 		wsp->walk_addr = node_hash_table_addr +
2770 		    (i * sizeof (smb_llist_t)) + ll_off;
2771 		if (mdb_layered_walk("list", wsp) == -1) {
2772 			mdb_warn("failed to walk 'list'");
2773 			return (WALK_ERR);
2774 		}
2775 	}
2776 
2777 	return (WALK_NEXT);
2778 }
2779 
2780 static int
2781 smb_node_walk_step(mdb_walk_state_t *wsp)
2782 {
2783 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
2784 	    wsp->walk_cbdata));
2785 }
2786 
2787 /*
2788  * *****************************************************************************
2789  * ****************************** smb_lock_t ***********************************
2790  * *****************************************************************************
2791  */
2792 
2793 typedef struct mdb_smb_lock {
2794 	smb_ofile_t		*l_file;
2795 	struct smb_lock		*l_blocked_by;
2796 	uint64_t		l_start;
2797 	uint64_t		l_length;
2798 	uint32_t		l_pid;
2799 	uint32_t		l_type;
2800 	uint32_t		l_flags;
2801 	/* Newer members (not in old kernels) - keep last! */
2802 	uint32_t		l_conflicts;
2803 } mdb_smb_lock_t;
2804 typedef struct mdb_smb_lock_old {
2805 	/* Note: MUST be same layout as above! */
2806 	smb_ofile_t		*l_file;
2807 	struct smb_lock		*l_blocked_by;
2808 	uint64_t		l_start;
2809 	uint64_t		l_length;
2810 	uint32_t		l_pid;
2811 	uint32_t		l_type;
2812 	uint32_t		l_flags;
2813 	/* Newer members omitted from _old */
2814 } mdb_smb_lock_old_t;
2815 
2816 static int
2817 smblock_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2818 {
2819 	mdb_smb_lock_t	lock;
2820 	int		verbose = FALSE;
2821 	char		*lock_type;
2822 
2823 	if (mdb_getopts(argc, argv,
2824 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
2825 	    NULL) != argc)
2826 		return (DCMD_USAGE);
2827 
2828 	/*
2829 	 * An smb_lock_t address must be specified.
2830 	 */
2831 	if (!(flags & DCMD_ADDRSPEC))
2832 		return (DCMD_USAGE);
2833 
2834 	if (mdb_ctf_vread(&lock, SMBSRV_SCOPE "smb_lock_t",
2835 	    "mdb_smb_lock_t", addr, 0) < 0) {
2836 		/*
2837 		 * Fall-back handling for mdb_smb_lock_old_t
2838 		 * Should remove after a while.
2839 		 */
2840 		if (mdb_ctf_vread(&lock, SMBSRV_SCOPE "smb_lock_t",
2841 		    "mdb_smb_lock_old_t", addr, 0) < 0) {
2842 			mdb_warn("failed to read struct smb_lock at %p", addr);
2843 			return (DCMD_ERR);
2844 		}
2845 		lock.l_conflicts = 0;
2846 	}
2847 
2848 	switch (lock.l_type) {
2849 	case SMB_LOCK_TYPE_READWRITE:
2850 		lock_type = "RW";
2851 		break;
2852 	case SMB_LOCK_TYPE_READONLY:
2853 		lock_type = "RO";
2854 		break;
2855 	default:
2856 		lock_type = "?";
2857 		break;
2858 	}
2859 	if (verbose) {
2860 		mdb_printf("%<b>%<u>SMB lock information "
2861 		    "(%p):%</u>%</b>\n", addr);
2862 
2863 		mdb_printf("Type             :\t%s (%u)\n",
2864 		    lock_type, lock.l_type);
2865 		mdb_printf("Start            :\t%llu\n",
2866 		    lock.l_start);
2867 		mdb_printf("Length           :\t%llu\n",
2868 		    lock.l_length);
2869 		mdb_printf("OFile            :\t%p\n",
2870 		    lock.l_file);
2871 		mdb_printf("Process ID       :\t%u\n",
2872 		    lock.l_pid);
2873 		mdb_printf("Conflicts        :\t%u\n",
2874 		    lock.l_conflicts);
2875 		mdb_printf("Blocked by       :\t%p\n",
2876 		    lock.l_blocked_by);
2877 		mdb_printf("Flags            :\t0x%x\n",
2878 		    lock.l_flags);
2879 		mdb_printf("\n");
2880 	} else {
2881 		if (DCMD_HDRSPEC(flags)) {
2882 			mdb_printf("%<u>%-?s %4s %16s %8s %9s %-?s%</u>\n",
2883 			    "Locks: ", "TYPE", "START", "LENGTH",
2884 			    "CONFLICTS", "BLOCKED-BY");
2885 		}
2886 		mdb_printf("%?p %4s %16llx %08llx %9u %?p",
2887 		    addr, lock_type, lock.l_start, lock.l_length,
2888 		    lock.l_conflicts, lock.l_blocked_by);
2889 	}
2890 
2891 	return (DCMD_OK);
2892 }
2893 
2894 /*
2895  * *****************************************************************************
2896  * ************************** smb_oplock_grant_t *******************************
2897  * *****************************************************************************
2898  */
2899 
2900 typedef struct mdb_smb_oplock_grant {
2901 	uint32_t		og_state;	/* latest sent to client */
2902 	uint8_t			onlist_II;
2903 	uint8_t			onlist_R;
2904 	uint8_t			onlist_RH;
2905 	uint8_t			onlist_RHBQ;
2906 	uint8_t			BreakingToRead;
2907 } mdb_smb_oplock_grant_t;
2908 
2909 static const mdb_bitmask_t
2910 oplock_bits[] = {
2911 	{  "READ_CACHING",
2912 	    READ_CACHING,
2913 	    READ_CACHING },
2914 	{  "HANDLE_CACHING",
2915 	    HANDLE_CACHING,
2916 	    HANDLE_CACHING },
2917 	{  "WRITE_CACHING",
2918 	    WRITE_CACHING,
2919 	    WRITE_CACHING },
2920 	{  "EXCLUSIVE",
2921 	    EXCLUSIVE,
2922 	    EXCLUSIVE },
2923 	{  "MIXED_R_AND_RH",
2924 	    MIXED_R_AND_RH,
2925 	    MIXED_R_AND_RH },
2926 	{  "LEVEL_TWO_OPLOCK",
2927 	    LEVEL_TWO_OPLOCK,
2928 	    LEVEL_TWO_OPLOCK },
2929 	{  "LEVEL_ONE_OPLOCK",
2930 	    LEVEL_ONE_OPLOCK,
2931 	    LEVEL_ONE_OPLOCK },
2932 	{  "BATCH_OPLOCK",
2933 	    BATCH_OPLOCK,
2934 	    BATCH_OPLOCK },
2935 	{  "BREAK_TO_TWO",
2936 	    BREAK_TO_TWO,
2937 	    BREAK_TO_TWO },
2938 	{  "BREAK_TO_NONE",
2939 	    BREAK_TO_NONE,
2940 	    BREAK_TO_NONE },
2941 	{  "BREAK_TO_TWO_TO_NONE",
2942 	    BREAK_TO_TWO_TO_NONE,
2943 	    BREAK_TO_TWO_TO_NONE },
2944 	{  "BREAK_TO_READ_CACHING",
2945 	    BREAK_TO_READ_CACHING,
2946 	    BREAK_TO_READ_CACHING },
2947 	{  "BREAK_TO_HANDLE_CACHING",
2948 	    BREAK_TO_HANDLE_CACHING,
2949 	    BREAK_TO_HANDLE_CACHING },
2950 	{  "BREAK_TO_WRITE_CACHING",
2951 	    BREAK_TO_WRITE_CACHING,
2952 	    BREAK_TO_WRITE_CACHING },
2953 	{  "BREAK_TO_NO_CACHING",
2954 	    BREAK_TO_NO_CACHING,
2955 	    BREAK_TO_NO_CACHING },
2956 	{  "NO_OPLOCK",
2957 	    NO_OPLOCK,
2958 	    NO_OPLOCK },
2959 	{  NULL, 0, 0 }
2960 };
2961 
2962 /*
2963  * Show smb_ofile_t oplock info
2964  * address is the ofile
2965  */
2966 
2967 /*ARGSUSED*/
2968 static int
2969 smbofile_oplock_dcmd(uintptr_t addr, uint_t flags, int argc,
2970     const mdb_arg_t *argv)
2971 {
2972 	mdb_smb_oplock_grant_t	og;
2973 	int verbose = FALSE;
2974 	static int og_off;
2975 
2976 	if (mdb_getopts(argc, argv,
2977 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
2978 	    NULL) != argc)
2979 		return (DCMD_USAGE);
2980 
2981 	if (!(flags & DCMD_ADDRSPEC))
2982 		return (DCMD_USAGE);
2983 
2984 	if (og_off <= 0) {
2985 		og_off = mdb_ctf_offsetof_by_name(
2986 		    "smb_ofile_t", "f_oplock");
2987 		if (og_off < 0) {
2988 			mdb_warn("cannot lookup: smb_ofile_t .f_oplock");
2989 			return (DCMD_ERR);
2990 		}
2991 	}
2992 
2993 	if (mdb_ctf_vread(&og, SMBSRV_SCOPE "smb_oplock_grant_t",
2994 	    "mdb_smb_oplock_grant_t", addr + og_off, 0) < 0) {
2995 		mdb_warn("failed to read oplock grant in ofile at %p", addr);
2996 		return (DCMD_ERR);
2997 	}
2998 
2999 	if (verbose) {
3000 		mdb_printf("%<b>%<u>SMB ofile (oplock_grant) "
3001 		    "(%p):%</u>%</b>\n", addr);
3002 		mdb_printf("State: 0x%x <%b>\n",
3003 		    og.og_state,
3004 		    og.og_state,
3005 		    oplock_bits);
3006 		mdb_printf("OnList_II: %d\n", og.onlist_II);
3007 		mdb_printf("OnList_R: %d\n", og.onlist_R);
3008 		mdb_printf("OnList_RH: %d\n", og.onlist_RH);
3009 		mdb_printf("OnList_RHBQ: %d\n", og.onlist_RHBQ);
3010 		mdb_printf("BrkToRead: %d\n", og.BreakingToRead);
3011 
3012 	} else {
3013 
3014 		if (DCMD_HDRSPEC(flags)) {
3015 			mdb_printf("%<u>%-16s %-10s %-16s%</u>\n",
3016 			    "OFILE", "STATE", "OnList...");
3017 		}
3018 
3019 		mdb_printf("%-16p", addr);
3020 		mdb_printf(" 0x%x", og.og_state);
3021 		if (og.onlist_II)
3022 			mdb_printf(" II");
3023 		if (og.onlist_R)
3024 			mdb_printf(" R");
3025 		if (og.onlist_RH)
3026 			mdb_printf(" RH");
3027 		if (og.onlist_RHBQ)
3028 			mdb_printf(" RHBQ");
3029 		if (og.BreakingToRead)
3030 			mdb_printf(" BrkToRd");
3031 		mdb_printf("\n");
3032 	}
3033 
3034 	return (DCMD_OK);
3035 }
3036 
3037 /*
3038  * *****************************************************************************
3039  * ***************************** smb_oplock_t **********************************
3040  * *****************************************************************************
3041  */
3042 
3043 typedef struct mdb_smb_oplock {
3044 	struct smb_ofile	*excl_open;
3045 	uint32_t		ol_state;
3046 	int32_t			cnt_II;
3047 	int32_t			cnt_R;
3048 	int32_t			cnt_RH;
3049 	int32_t			cnt_RHBQ;
3050 	int32_t			waiters;
3051 } mdb_smb_oplock_t;
3052 
3053 /*
3054  * Helpers for smbnode_dcmd and smbnode_oplock_dcmd
3055  */
3056 
3057 /*
3058  * Read the smb_oplock_t part of the node
3059  * addr is the smb_node
3060  */
3061 static int
3062 smb_node_get_oplock(uintptr_t addr, struct mdb_smb_oplock **ol_ret)
3063 {
3064 	mdb_smb_oplock_t *ol;
3065 	static int ol_off;
3066 
3067 	if (ol_off <= 0) {
3068 		ol_off = mdb_ctf_offsetof_by_name(
3069 		    "smb_node_t", "n_oplock");
3070 		if (ol_off < 0) {
3071 			mdb_warn("cannot lookup: smb_node_t .n_oplock");
3072 			return (DCMD_ERR);
3073 		}
3074 	}
3075 
3076 	ol = mdb_alloc(sizeof (*ol), UM_SLEEP | UM_GC);
3077 
3078 	if (mdb_ctf_vread(ol, SMBSRV_SCOPE "smb_oplock_t",
3079 	    "mdb_smb_oplock_t", addr + ol_off, 0) < 0) {
3080 		mdb_warn("failed to read smb_oplock in node at %p", addr);
3081 		return (DCMD_ERR);
3082 	}
3083 
3084 	*ol_ret = ol;
3085 	return (DCMD_OK);
3086 }
3087 
3088 /*
3089  * Return the oplock count
3090  */
3091 static int
3092 smb_node_oplock_cnt(struct mdb_smb_oplock *ol)
3093 {
3094 	int ol_cnt = 0;
3095 
3096 	/* Compute total oplock count. */
3097 	if (ol->excl_open != NULL)
3098 		ol_cnt++;
3099 	ol_cnt += ol->cnt_II;
3100 	ol_cnt += ol->cnt_R;
3101 	ol_cnt += ol->cnt_RH;
3102 
3103 	return (ol_cnt);
3104 }
3105 
3106 /*
3107  * Show smb_node_t oplock info, and optionally the
3108  * list of ofiles with oplocks on this node.
3109  * Address is the smb_node_t.
3110  */
3111 
3112 /*ARGSUSED*/
3113 static int
3114 smbnode_oplock_dcmd(uintptr_t addr, uint_t flags, int argc,
3115     const mdb_arg_t *argv)
3116 {
3117 	mdb_smb_oplock_t *ol;
3118 	int verbose = FALSE;
3119 	int ol_cnt, rc;
3120 	int fl_off, ll_off;
3121 
3122 	if (mdb_getopts(argc, argv,
3123 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
3124 	    NULL) != argc)
3125 		return (DCMD_USAGE);
3126 
3127 	if (!(flags & DCMD_ADDRSPEC))
3128 		return (DCMD_USAGE);
3129 
3130 	rc = smb_node_get_oplock(addr, &ol);
3131 	if (rc != DCMD_OK)
3132 		return (rc);
3133 	ol_cnt = smb_node_oplock_cnt(ol);
3134 
3135 	if (verbose) {
3136 		mdb_printf("%<b>%<u>SMB node (oplock) "
3137 		    "(%p):%</u>%</b>\n", addr);
3138 		mdb_printf("State: 0x%x <%b>\n",
3139 		    ol->ol_state,
3140 		    ol->ol_state,
3141 		    oplock_bits);
3142 		mdb_printf("Exclusive Open: %p\n", ol->excl_open);
3143 		mdb_printf("cnt_II: %d\n", ol->cnt_II);
3144 		mdb_printf("cnt_R: %d\n", ol->cnt_R);
3145 		mdb_printf("cnt_RH: %d\n", ol->cnt_RH);
3146 		mdb_printf("cnt_RHBQ: %d\n", ol->cnt_RHBQ);
3147 		mdb_printf("waiters: %d\n", ol->waiters);
3148 	} else {
3149 		if (DCMD_HDRSPEC(flags)) {
3150 			mdb_printf("%<u>%-16s %-10s %-16s%</u>\n",
3151 			    "NODE", "STATE", "OPLOCKS");
3152 		}
3153 		mdb_printf("%-16p 0x%x %d\n",
3154 		    addr, ol->ol_state, ol_cnt);
3155 	}
3156 
3157 	if (ol_cnt == 0)
3158 		return (DCMD_OK);
3159 
3160 	GET_OFFSET(fl_off, smb_node_t, n_ofile_list);
3161 	GET_OFFSET(ll_off, smb_llist_t, ll_list);
3162 
3163 	(void) mdb_inc_indent(SMB_DCMD_INDENT);
3164 
3165 	if (mdb_pwalk_dcmd("list", "smbofile_oplock",
3166 	    argc, argv, addr + fl_off + ll_off)) {
3167 		mdb_warn("failed to walk ofile oplocks");
3168 	}
3169 
3170 	(void) mdb_dec_indent(SMB_DCMD_INDENT);
3171 
3172 	return (DCMD_OK);
3173 }
3174 
3175 /*
3176  * *******************************************************************
3177  * (smb) mbuf_t
3178  *
3179  * ::smb_mbuf_dump [max_len]
3180  * dcmd to dump the data portion of an mbuf_t
3181  * stop at max_len
3182  */
3183 static int
3184 smb_mbuf_dump_dcmd(uintptr_t addr, uint_t flags, int argc,
3185     const mdb_arg_t *argv)
3186 {
3187 	struct m_hdr mh;
3188 	uintptr_t mdata;
3189 	int len, max_len;
3190 	int dumpptr_flags;
3191 
3192 	if (mdb_vread(&mh, sizeof (mh), addr) < 0) {
3193 		mdb_warn("failed to read mbuf at %p", addr);
3194 		return (DCMD_ERR);
3195 	}
3196 	len = mh.mh_len;
3197 	mdata = (uintptr_t)mh.mh_data;
3198 
3199 	if (argc > 0) {
3200 		if (argv[0].a_type == MDB_TYPE_IMMEDIATE)
3201 			max_len = argv[0].a_un.a_val;
3202 		else
3203 			max_len = mdb_strtoull(argv[0].a_un.a_str);
3204 		if (len > max_len)
3205 			len = max_len;
3206 	}
3207 	if (len <= 0)
3208 		return (DCMD_OK);
3209 
3210 	if (DCMD_HDRSPEC(flags)) {
3211 		mdb_printf("%<u>%-16s %-16s %-12s%</u>\n",
3212 		    "mbuf_t", "m_data", "m_len");
3213 	}
3214 	mdb_printf("%-16p %-16p %-12u\n",
3215 	    addr, mdata, mh.mh_len);
3216 
3217 	dumpptr_flags = MDB_DUMP_RELATIVE | MDB_DUMP_ASCII | MDB_DUMP_HEADER;
3218 	if (mdb_dumpptr(mdata, len, dumpptr_flags,
3219 	    (mdb_dumpptr_cb_t)mdb_vread, NULL) < 0)
3220 		return (DCMD_ERR);
3221 
3222 	return (DCMD_OK);
3223 }
3224 
3225 static int
3226 smb_mbuf_walk_init(mdb_walk_state_t *wsp)
3227 {
3228 	mbuf_t *m;
3229 
3230 	if (wsp->walk_addr == 0) {
3231 		mdb_printf("require address of an mbuf_t\n");
3232 		return (WALK_ERR);
3233 	}
3234 	m = mdb_alloc(sizeof (*m), UM_SLEEP | UM_GC);
3235 	wsp->walk_data = m;
3236 	return (WALK_NEXT);
3237 }
3238 
3239 static int
3240 smb_mbuf_walk_step(mdb_walk_state_t *wsp)
3241 {
3242 	uintptr_t addr = wsp->walk_addr;
3243 	mbuf_t *m = wsp->walk_data;
3244 	int rc;
3245 
3246 	if (wsp->walk_addr == 0)
3247 		return (WALK_DONE);
3248 
3249 	if (mdb_vread(m, sizeof (*m), addr) == -1) {
3250 		mdb_warn("failed to read mbuf_t at %p", addr);
3251 		return (WALK_ERR);
3252 	}
3253 
3254 	rc = wsp->walk_callback(addr, m, wsp->walk_cbdata);
3255 	wsp->walk_addr = (uintptr_t)m->m_next;
3256 
3257 	return (rc);
3258 }
3259 
3260 /*
3261  * *****************************************************************************
3262  * ******************************** smb_ace_t **********************************
3263  * *****************************************************************************
3264  */
3265 static const ace_type_entry_t	ace_types[ACE_TYPE_TABLEN] =
3266 {
3267 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_ACE_TYPE),
3268 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_ACE_TYPE),
3269 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_ACE_TYPE),
3270 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_ACE_TYPE),
3271 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE),
3272 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE),
3273 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_OBJECT_ACE_TYPE),
3274 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE),
3275 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE),
3276 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE),
3277 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE),
3278 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE),
3279 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE),
3280 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE),
3281 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE),
3282 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE),
3283 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE),
3284 	ACE_TYPE_ENTRY(0x11),
3285 	ACE_TYPE_ENTRY(0x12),
3286 	ACE_TYPE_ENTRY(0x13),
3287 	ACE_TYPE_ENTRY(0x14),
3288 	ACE_TYPE_ENTRY(0x15),
3289 	ACE_TYPE_ENTRY(0x16),
3290 	ACE_TYPE_ENTRY(0x17),
3291 	ACE_TYPE_ENTRY(0x18),
3292 	ACE_TYPE_ENTRY(0x19),
3293 	ACE_TYPE_ENTRY(0x1A),
3294 	ACE_TYPE_ENTRY(0x1B),
3295 	ACE_TYPE_ENTRY(0x1C),
3296 	ACE_TYPE_ENTRY(0x1D),
3297 	ACE_TYPE_ENTRY(0x1E),
3298 	ACE_TYPE_ENTRY(0x1F)
3299 };
3300 
3301 static const mdb_bitmask_t ace_flag_bits[] = {
3302 	{ "OBJECT_INHERIT_ACE", OBJECT_INHERIT_ACE, OBJECT_INHERIT_ACE },
3303 	{ "CONTAINER_INHERIT_ACE", CONTAINER_INHERIT_ACE,
3304 	    CONTAINER_INHERIT_ACE },
3305 	{ "NO_PROPOGATE_INHERIT_ACE", NO_PROPOGATE_INHERIT_ACE,
3306 	    NO_PROPOGATE_INHERIT_ACE },
3307 	{ "INHERIT_ONLY_ACE", INHERIT_ONLY_ACE, INHERIT_ONLY_ACE },
3308 	{ "INHERITED_ACE", INHERITED_ACE, INHERITED_ACE },
3309 	{ "SUCCESSFUL_ACCESS_ACE_FLAG", SUCCESSFUL_ACCESS_ACE_FLAG,
3310 	    SUCCESSFUL_ACCESS_ACE_FLAG },
3311 	{ "FAILED_ACCESS_ACE_FLAG", FAILED_ACCESS_ACE_FLAG,
3312 	    FAILED_ACCESS_ACE_FLAG },
3313 	{ NULL, 0, 0 }
3314 };
3315 
3316 /*
3317  * ::smbace
3318  */
3319 static int
3320 smbace_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3321 {
3322 	smb_ace_t	ace;
3323 	int		verbose = FALSE;
3324 	const char	*ptr;
3325 	int		rc;
3326 
3327 	if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose,
3328 	    NULL) != argc)
3329 		return (DCMD_USAGE);
3330 
3331 	/*
3332 	 * An smb_ace address is required.
3333 	 */
3334 	if (!(flags & DCMD_ADDRSPEC))
3335 		return (DCMD_USAGE);
3336 
3337 	if (mdb_vread(&ace, sizeof (ace), addr) != sizeof (ace)) {
3338 		mdb_warn("failed to read struct smb_ace at %p", addr);
3339 		return (DCMD_ERR);
3340 	}
3341 
3342 	if (verbose) {
3343 		if (ace.se_hdr.se_type < ACE_TYPE_TABLEN)
3344 			ptr = ace_types[ace.se_hdr.se_type].ace_type_sting;
3345 		else
3346 			ptr = "Unknown";
3347 
3348 		mdb_printf("ACE Type: 0x%02x (%s)\n", ace.se_hdr.se_type, ptr);
3349 		mdb_printf("ACE Flags: %b\n", (int)ace.se_hdr.se_flags,
3350 		    ace_flag_bits);
3351 		mdb_printf("ACE Wire Size: 0x%04x\n", ace.se_hdr.se_bsize);
3352 		mdb_printf("ACE Mask: 0x%08x\n", ace.se_mask);
3353 		mdb_printf("ACE SID: ");
3354 	} else {
3355 		if (DCMD_HDRSPEC(flags))
3356 			mdb_printf(
3357 			    "%<b>%<u>%?-s %-4s %-4s %-8s %s%</u>%</b>\n",
3358 			    "ACE", "TYPE", "FLAGS", "MASK", "SID");
3359 		mdb_printf("%?p 0x%02x 0x%02x 0x%08x ", addr,
3360 		    ace.se_hdr.se_type, ace.se_hdr.se_flags, ace.se_mask);
3361 	}
3362 	rc = smb_sid_print((uintptr_t)ace.se_sid);
3363 	mdb_printf("\n");
3364 	return (rc);
3365 }
3366 
3367 static int
3368 smb_ace_walk_init(mdb_walk_state_t *wsp)
3369 {
3370 	int sal_off;
3371 
3372 	if (wsp->walk_addr == 0) {
3373 		mdb_printf("smb_ace walk only supports local walks\n");
3374 		return (WALK_ERR);
3375 	}
3376 
3377 	GET_OFFSET(sal_off, smb_acl_t, sl_sorted);
3378 	wsp->walk_addr += sal_off;
3379 
3380 	if (mdb_layered_walk("list", wsp) == -1) {
3381 		mdb_warn("failed to walk list of ACEs");
3382 		return (WALK_ERR);
3383 	}
3384 
3385 	return (WALK_NEXT);
3386 }
3387 
3388 static int
3389 smb_ace_walk_step(mdb_walk_state_t *wsp)
3390 {
3391 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
3392 	    wsp->walk_cbdata));
3393 }
3394 
3395 /*
3396  * *****************************************************************************
3397  * ******************************** smb_acl_t **********************************
3398  * *****************************************************************************
3399  */
3400 
3401 /*
3402  * ::smbacl
3403  */
3404 static int
3405 smbacl_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3406 {
3407 	smb_acl_t	acl;
3408 
3409 	/* An smb_acl address is required. */
3410 	if (!(flags & DCMD_ADDRSPEC))
3411 		return (DCMD_USAGE);
3412 
3413 	if (mdb_vread(&acl, sizeof (acl), addr) != sizeof (acl)) {
3414 		mdb_warn("failed to read struct smb_acl at %p", addr);
3415 		return (DCMD_ERR);
3416 	}
3417 
3418 	mdb_printf("ACL Revision: %d\n", acl.sl_revision);
3419 	mdb_printf("ACL Size on Wire: %d\n", acl.sl_bsize);
3420 	mdb_printf("ACL Number of ACEs: %d\n", acl.sl_acecnt);
3421 
3422 	(void) mdb_inc_indent(SMB_DCMD_INDENT);
3423 	if (mdb_pwalk_dcmd("smbace_walker", "smbace", argc, argv, addr)) {
3424 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
3425 		mdb_warn("failed to walk list of ACEs for ACL %p", addr);
3426 		return (DCMD_ERR);
3427 	}
3428 	(void) mdb_dec_indent(SMB_DCMD_INDENT);
3429 	return (DCMD_OK);
3430 }
3431 
3432 /*
3433  * *****************************************************************************
3434  * ********************************* smb_sd_t **********************************
3435  * *****************************************************************************
3436  */
3437 
3438 /*
3439  * ::smbsd
3440  */
3441 static int
3442 smbsd_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3443 {
3444 	smb_sd_t	sd;
3445 	int		rc;
3446 
3447 	/*
3448 	 * An smb_sid address is required.
3449 	 */
3450 	if (!(flags & DCMD_ADDRSPEC))
3451 		return (DCMD_USAGE);
3452 
3453 	if (mdb_vread(&sd, sizeof (sd), addr) != sizeof (sd)) {
3454 		mdb_warn("failed to read struct smb_sd at %p", addr);
3455 		return (DCMD_ERR);
3456 	}
3457 
3458 	mdb_printf("SD Revision: %d\n", sd.sd_revision);
3459 	mdb_printf("SD Control: %04x\n", sd.sd_control);
3460 	if (sd.sd_control & SE_OWNER_DEFAULTED)
3461 		mdb_printf("\t    SE_OWNER_DEFAULTED\n");
3462 	if (sd.sd_control & SE_GROUP_DEFAULTED)
3463 		mdb_printf("\t    SE_GROUP_DEFAULTED\n");
3464 	if (sd.sd_control & SE_DACL_PRESENT)
3465 		mdb_printf("\t    SE_DACL_PRESENT\n");
3466 	if (sd.sd_control & SE_DACL_DEFAULTED)
3467 		mdb_printf("\t    SE_DACL_DEFAULTED\n");
3468 	if (sd.sd_control & SE_SACL_PRESENT)
3469 		mdb_printf("\t    SE_SACL_PRESENT\n");
3470 	if (sd.sd_control & SE_SACL_DEFAULTED)
3471 		mdb_printf("\t    SE_SACL_DEFAULTED\n");
3472 	if (sd.sd_control & SE_DACL_AUTO_INHERIT_REQ)
3473 		mdb_printf("\t    SE_DACL_AUTO_INHERIT_REQ\n");
3474 	if (sd.sd_control & SE_SACL_AUTO_INHERIT_REQ)
3475 		mdb_printf("\t    SE_SACL_AUTO_INHERIT_REQ\n");
3476 	if (sd.sd_control & SE_DACL_AUTO_INHERITED)
3477 		mdb_printf("\t    SE_DACL_AUTO_INHERITED\n");
3478 	if (sd.sd_control & SE_SACL_AUTO_INHERITED)
3479 		mdb_printf("\t    SE_SACL_AUTO_INHERITED\n");
3480 	if (sd.sd_control & SE_DACL_PROTECTED)
3481 		mdb_printf("\t    SE_DACL_PROTECTED\n");
3482 	if (sd.sd_control & SE_SACL_PROTECTED)
3483 		mdb_printf("\t    SE_SACL_PROTECTED\n");
3484 	if (sd.sd_control & SE_SELF_RELATIVE)
3485 		mdb_printf("\t    SE_SELF_RELATIVE\n");
3486 
3487 	mdb_printf("SID of Owner: ");
3488 	rc = smb_sid_print((uintptr_t)sd.sd_owner);
3489 	if (rc != DCMD_OK)
3490 		return (rc);
3491 	mdb_printf("\nSID of Group: ");
3492 	rc = smb_sid_print((uintptr_t)sd.sd_group);
3493 	if (rc != DCMD_OK)
3494 		return (rc);
3495 	mdb_printf("\n");
3496 
3497 	if (sd.sd_control & SE_SACL_PRESENT && sd.sd_sacl) {
3498 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
3499 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
3500 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_sacl, flags,
3501 		    argc, argv);
3502 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
3503 		if (rc != DCMD_OK)
3504 			return (rc);
3505 	}
3506 	if (sd.sd_control & SE_DACL_PRESENT && sd.sd_dacl) {
3507 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
3508 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
3509 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_dacl, flags,
3510 		    argc, argv);
3511 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
3512 		if (rc != DCMD_OK)
3513 			return (rc);
3514 	}
3515 
3516 	return (DCMD_OK);
3517 }
3518 
3519 /*
3520  * *****************************************************************************
3521  * ********************************* smb_sid_t *********************************
3522  * *****************************************************************************
3523  */
3524 
3525 /*
3526  * ::smbsid
3527  */
3528 /*ARGSUSED*/
3529 static int
3530 smbsid_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3531 {
3532 	/*
3533 	 * An smb_sid address is required.
3534 	 */
3535 	if (!(flags & DCMD_ADDRSPEC))
3536 		return (DCMD_USAGE);
3537 
3538 	return (smb_sid_print(addr));
3539 }
3540 
3541 /*
3542  * smb_sid_print
3543  */
3544 static int
3545 smb_sid_print(uintptr_t addr)
3546 {
3547 	smb_sid_t	sid;
3548 	smb_sid_t	*psid;
3549 	size_t		sid_size;
3550 	uint64_t	authority;
3551 	int		ssa_off;
3552 	int		i;
3553 
3554 	GET_OFFSET(ssa_off, smb_sid_t, sid_subauth);
3555 	sid_size = ssa_off;
3556 
3557 	if (mdb_vread(&sid, sid_size, addr) != sid_size) {
3558 		mdb_warn("failed to read struct smb_sid at %p", addr);
3559 		return (DCMD_ERR);
3560 	}
3561 
3562 	sid_size += sid.sid_subauthcnt * sizeof (sid.sid_subauth[0]);
3563 
3564 	psid = mdb_zalloc(sid_size, UM_SLEEP | UM_GC);
3565 	if (mdb_vread(psid, sid_size, addr) != sid_size) {
3566 		mdb_warn("failed to read struct smb_sid at %p", addr);
3567 		return (DCMD_ERR);
3568 	}
3569 
3570 	mdb_printf("S-%d", psid->sid_revision);
3571 	authority = 0;
3572 	for (i = 0; i < NT_SID_AUTH_MAX; i++) {
3573 		authority += ((uint64_t)psid->sid_authority[i]) <<
3574 		    (8 * (NT_SID_AUTH_MAX - 1) - i);
3575 	}
3576 	mdb_printf("-%ll", authority);
3577 
3578 	for (i = 0; i < psid->sid_subauthcnt; i++)
3579 		mdb_printf("-%d", psid->sid_subauth[i]);
3580 
3581 	return (DCMD_OK);
3582 }
3583 
3584 /*
3585  * *****************************************************************************
3586  * ********************************* smb_fssd_t ********************************
3587  * *****************************************************************************
3588  */
3589 
3590 /*
3591  * ::smbfssd
3592  */
3593 static int
3594 smbfssd_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
3595 {
3596 	smb_fssd_t	fssd;
3597 	int		rc;
3598 
3599 	/*
3600 	 * An smb_fssd address is required.
3601 	 */
3602 	if (!(flags & DCMD_ADDRSPEC))
3603 		return (DCMD_USAGE);
3604 
3605 	if (mdb_vread(&fssd, sizeof (fssd), addr) != sizeof (fssd)) {
3606 		mdb_warn("failed to read struct smb_fssd at %p", addr);
3607 		return (DCMD_ERR);
3608 	}
3609 
3610 	mdb_printf("FSSD secinfo: 0x%x\n", fssd.sd_secinfo);
3611 	if (fssd.sd_secinfo & SMB_OWNER_SECINFO)
3612 		mdb_printf("FSSD uid: %d\n", fssd.sd_uid);
3613 	if (fssd.sd_secinfo & SMB_GROUP_SECINFO)
3614 		mdb_printf("FSSD gid: %d\n", fssd.sd_gid);
3615 	if (fssd.sd_secinfo & SMB_SACL_SECINFO && fssd.sd_zsacl) {
3616 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
3617 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
3618 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zsacl, flags,
3619 		    argc, argv);
3620 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
3621 		if (rc != DCMD_OK)
3622 			return (rc);
3623 	}
3624 	if (fssd.sd_secinfo & SMB_DACL_SECINFO && fssd.sd_zdacl) {
3625 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
3626 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
3627 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zdacl, flags,
3628 		    argc, argv);
3629 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
3630 		if (rc != DCMD_OK)
3631 			return (rc);
3632 	}
3633 
3634 	return (DCMD_OK);
3635 }
3636 
3637 /*
3638  * *****************************************************************************
3639  * **************************** Utility Funcions *******************************
3640  * *****************************************************************************
3641  */
3642 
3643 /*
3644  * smb_dcmd_getopt
3645  *
3646  * This function analyzes the arguments passed in and sets the bit corresponding
3647  * to the options found in the opts variable.
3648  *
3649  * Return Value
3650  *
3651  *	-1	An error occured during the decoding
3652  *	0	The decoding was successful
3653  */
3654 static int
3655 smb_dcmd_getopt(uint_t *opts, int argc, const mdb_arg_t *argv)
3656 {
3657 	*opts = 0;
3658 
3659 	if (mdb_getopts(argc, argv,
3660 	    's', MDB_OPT_SETBITS, SMB_OPT_SERVER, opts,
3661 	    'e', MDB_OPT_SETBITS, SMB_OPT_SESSION, opts,
3662 	    'r', MDB_OPT_SETBITS, SMB_OPT_REQUEST, opts,
3663 	    'u', MDB_OPT_SETBITS, SMB_OPT_USER, opts,
3664 	    't', MDB_OPT_SETBITS, SMB_OPT_TREE, opts,
3665 	    'f', MDB_OPT_SETBITS, SMB_OPT_OFILE, opts,
3666 	    'd', MDB_OPT_SETBITS, SMB_OPT_ODIR, opts,
3667 	    'w', MDB_OPT_SETBITS, SMB_OPT_WALK, opts,
3668 	    'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, opts,
3669 	    NULL) != argc)
3670 		return (-1);
3671 
3672 	return (0);
3673 }
3674 
3675 /*
3676  * smb_dcmd_setopt
3677  *
3678  * This function set the arguments corresponding to the bits set in opts.
3679  *
3680  * Return Value
3681  *
3682  *	Number of arguments set.
3683  */
3684 static int
3685 smb_dcmd_setopt(uint_t opts, int max_argc, mdb_arg_t *argv)
3686 {
3687 	int	i;
3688 	int	argc = 0;
3689 
3690 	for (i = 0; i < SMB_MDB_MAX_OPTS; i++) {
3691 		if ((opts & smb_opts[i].o_value) && (argc < max_argc)) {
3692 			argv->a_type = MDB_TYPE_STRING;
3693 			argv->a_un.a_str = smb_opts[i].o_name;
3694 			argc++;
3695 			argv++;
3696 		}
3697 	}
3698 	return (argc);
3699 }
3700 
3701 /*
3702  * smb_obj_expand
3703  */
3704 static int
3705 smb_obj_expand(uintptr_t addr, uint_t opts, const smb_exp_t *x, ulong_t indent)
3706 {
3707 	int		rc = 0;
3708 	int		ex_off;
3709 	int		argc;
3710 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
3711 
3712 	argc = smb_dcmd_setopt(opts | SMB_OPT_WALK, SMB_MDB_MAX_OPTS, argv);
3713 
3714 	(void) mdb_inc_indent(indent);
3715 	while (x->ex_dcmd) {
3716 		if (x->ex_mask & opts) {
3717 			ex_off = (x->ex_offset)();
3718 			if (ex_off < 0) {
3719 				mdb_warn("failed to get the list offset for %s",
3720 				    x->ex_name);
3721 				rc = ex_off;
3722 				break;
3723 			}
3724 
3725 			rc = mdb_pwalk_dcmd("list", x->ex_dcmd, argc, argv,
3726 			    addr + ex_off);
3727 
3728 			if (rc) {
3729 				mdb_warn("failed to walk the list of %s in %p",
3730 				    x->ex_name, addr + ex_off);
3731 				break;
3732 			}
3733 		}
3734 		x++;
3735 	}
3736 	(void) mdb_dec_indent(indent);
3737 	return (rc);
3738 }
3739 
3740 /*
3741  * smb_obj_list
3742  *
3743  * Function called by the DCMDs when no address is provided. It expands the
3744  * tree under the object type associated with the calling DCMD (based on the
3745  * flags passed in).
3746  *
3747  * Return Value
3748  *
3749  *	DCMD_OK
3750  *	DCMD_ERR
3751  */
3752 static int
3753 smb_obj_list(const char *name, uint_t opts, uint_t flags)
3754 {
3755 	int		argc;
3756 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
3757 
3758 	argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, argv);
3759 
3760 	if (mdb_call_dcmd("smblist", 0, flags, argc, argv)) {
3761 		mdb_warn("failed to list %s", name);
3762 		return (DCMD_ERR);
3763 	}
3764 	return (DCMD_OK);
3765 }
3766 
3767 static int
3768 smb_worker_findstack(uintptr_t addr)
3769 {
3770 	char		cmd[80];
3771 	mdb_arg_t	cmdarg;
3772 
3773 	mdb_inc_indent(2);
3774 	mdb_snprintf(cmd, sizeof (cmd), "<.$c%d", 16);
3775 	cmdarg.a_type = MDB_TYPE_STRING;
3776 	cmdarg.a_un.a_str = cmd;
3777 	(void) mdb_call_dcmd("findstack", addr, DCMD_ADDRSPEC, 1, &cmdarg);
3778 	mdb_dec_indent(2);
3779 	mdb_printf("\n");
3780 	return (DCMD_OK);
3781 }
3782 
3783 static void
3784 smb_inaddr_ntop(smb_inaddr_t *ina, char *buf, size_t sz)
3785 {
3786 
3787 	switch (ina->a_family) {
3788 	case AF_INET:
3789 		(void) mdb_snprintf(buf, sz, "%I", ina->a_ipv4);
3790 		break;
3791 	case AF_INET6:
3792 		(void) mdb_snprintf(buf, sz, "%N", &ina->a_ipv6);
3793 		break;
3794 	default:
3795 		(void) mdb_snprintf(buf, sz, "(?)");
3796 		break;
3797 	}
3798 }
3799 
3800 /*
3801  * Get the name for an enum value
3802  */
3803 static void
3804 get_enum(char *out, size_t size, const char *type_str, int val,
3805     const char *prefix)
3806 {
3807 	mdb_ctf_id_t type_id;
3808 	const char *cp;
3809 
3810 	if (mdb_ctf_lookup_by_name(type_str, &type_id) != 0)
3811 		goto errout;
3812 	if (mdb_ctf_type_resolve(type_id, &type_id) != 0)
3813 		goto errout;
3814 	if ((cp = mdb_ctf_enum_name(type_id, val)) == NULL)
3815 		goto errout;
3816 	if (prefix != NULL) {
3817 		size_t len = strlen(prefix);
3818 		if (strncmp(cp, prefix, len) == 0)
3819 			cp += len;
3820 	}
3821 	(void) strncpy(out, cp, size);
3822 	return;
3823 
3824 errout:
3825 	mdb_snprintf(out, size, "? (%d)", val);
3826 }
3827 
3828 /*
3829  * MDB module linkage information:
3830  *
3831  * We declare a list of structures describing our dcmds, a list of structures
3832  * describing our walkers and a function named _mdb_init to return a pointer
3833  * to our module information.
3834  */
3835 static const mdb_dcmd_t dcmds[] = {
3836 	{   "smblist",
3837 	    "[-seutfdwv]",
3838 	    "print tree of SMB objects",
3839 	    smblist_dcmd,
3840 	    smblist_help },
3841 	{   "smbsrv",
3842 	    "[-seutfdwv]",
3843 	    "print smb_server information",
3844 	    smbsrv_dcmd },
3845 	{   "smbshare",
3846 	    ":[-v]",
3847 	    "print smb_kshare_t information",
3848 	    smbshare_dcmd },
3849 	{   "smbvfs",
3850 	    ":[-v]",
3851 	    "print smb_vfs information",
3852 	    smbvfs_dcmd },
3853 	{   "smbnode",
3854 	    "?[-vps]",
3855 	    "print smb_node_t information",
3856 	    smbnode_dcmd,
3857 	    smbnode_help },
3858 	{   "smbsess",
3859 	    "[-utfdwv]",
3860 	    "print smb_session_t information",
3861 	    smbsess_dcmd,
3862 	    smbsess_help},
3863 	{   "smbreq",
3864 	    ":[-v]",
3865 	    "print smb_request_t information",
3866 	    smbreq_dcmd },
3867 	{   "smbreq_dump",
3868 	    ":[-cr] [-o outfile]",
3869 	    "dump smb_request_t packets (cmd/reply)",
3870 	    smbreq_dump_dcmd,
3871 	    smbreq_dump_help,
3872 	},
3873 	{   "smblock", ":[-v]",
3874 	    "print smb_lock_t information",
3875 	    smblock_dcmd },
3876 	{   "smbuser",
3877 	    ":[-vdftq]",
3878 	    "print smb_user_t information",
3879 	    smbuser_dcmd,
3880 	    smbuser_help },
3881 	{   "smbtree",
3882 	    ":[-vdf]",
3883 	    "print smb_tree_t information",
3884 	    smbtree_dcmd,
3885 	    smbtree_help },
3886 	{   "smbodir",
3887 	    ":[-v]",
3888 	    "print smb_odir_t information",
3889 	    smbodir_dcmd },
3890 	{   "smbofile",
3891 	    "[-v]",
3892 	    "print smb_file_t information",
3893 	    smbofile_dcmd },
3894 	{   "smbsrv_leases",
3895 	    "[-v]",
3896 	    "print lease table for a server",
3897 	    smbsrv_leases_dcmd },
3898 	{   "smblease",
3899 	    "[-v]",
3900 	    "print smb_lease_t information",
3901 	    smblease_dcmd },
3902 	{   "smbnode_oplock", NULL,
3903 	    "print smb_node_t oplock information",
3904 	    smbnode_oplock_dcmd },
3905 	{   "smbofile_oplock", NULL,
3906 	    "print smb_ofile_t oplock information",
3907 	    smbofile_oplock_dcmd },
3908 	{   "smbace", "[-v]",
3909 	    "print smb_ace_t information",
3910 	    smbace_dcmd },
3911 	{   "smbacl", "[-v]",
3912 	    "print smb_acl_t information",
3913 	    smbacl_dcmd },
3914 	{   "smbsid", "[-v]",
3915 	    "print smb_sid_t information",
3916 	    smbsid_dcmd },
3917 	{   "smbsd", "[-v]",
3918 	    "print smb_sd_t information",
3919 	    smbsd_dcmd },
3920 	{   "smbfssd", "[-v]",
3921 	    "print smb_fssd_t information",
3922 	    smbfssd_dcmd },
3923 	{   "smb_mbuf_dump", ":[max_len]",
3924 	    "print mbuf_t data",
3925 	    smb_mbuf_dump_dcmd },
3926 	{   "smbdurable",
3927 	    "[-v]",
3928 	    "list ofiles on sv->sv_persistid_ht",
3929 	    smbdurable_dcmd },
3930 	{   "smbhashstat",
3931 	    "[-v]",
3932 	    "list stats from an smb_hash_t structure",
3933 	    smbhashstat_dcmd },
3934 
3935 	{ NULL }
3936 };
3937 
3938 static const mdb_walker_t walkers[] = {
3939 	{   "smbnode_walker",
3940 	    "walk list of smb_node_t structures",
3941 	    smb_node_walk_init,
3942 	    smb_node_walk_step,
3943 	    NULL,
3944 	    NULL },
3945 	{   "smbshare_walker",
3946 	    "walk list of smb_kshare_t structures",
3947 	    smb_kshare_walk_init,
3948 	    smb_kshare_walk_step,
3949 	    NULL,
3950 	    NULL },
3951 	{   "smbvfs_walker",
3952 	    "walk list of smb_vfs_t structures",
3953 	    smb_vfs_walk_init,
3954 	    smb_vfs_walk_step,
3955 	    NULL,
3956 	    NULL },
3957 	{   "smbace_walker",
3958 	    "walk list of smb_ace_t structures",
3959 	    smb_ace_walk_init,
3960 	    smb_ace_walk_step,
3961 	    NULL,
3962 	    NULL },
3963 	{   "smb_mbuf_walker",
3964 	    "walk list of mbuf_t structures",
3965 	    smb_mbuf_walk_init,
3966 	    smb_mbuf_walk_step,
3967 	    NULL,
3968 	    NULL },
3969 	{   "smb_hash_walker",
3970 	    "walk an smb_hash_t structure",
3971 	    smb_hash_walk_init,
3972 	    smb_hash_walk_step,
3973 	    NULL,
3974 	    NULL },
3975 	{   "smb_hashstat_walker",
3976 	    "walk the buckets from an smb_hash_t structure",
3977 	    smb_hashstat_walk_init,
3978 	    smb_hashstat_walk_step,
3979 	    NULL,
3980 	    NULL },
3981 
3982 	{ NULL }
3983 };
3984 
3985 static const mdb_modinfo_t modinfo = {
3986 	MDB_API_VERSION, dcmds, walkers
3987 };
3988 
3989 const mdb_modinfo_t *
3990 _mdb_init(void)
3991 {
3992 	return (&modinfo);
3993 }
3994