xref: /titanic_41/usr/src/cmd/mdb/common/modules/smbsrv/smbsrv.c (revision 4558d122136f151d62acbbc02ddb42df89a5ef66)
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  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #include <mdb/mdb_modapi.h>
26 #include <mdb/mdb_ks.h>
27 #include <sys/thread.h>
28 #include <sys/taskq_impl.h>
29 #include <smbsrv/smb_vops.h>
30 #include <smbsrv/smb.h>
31 #include <smbsrv/smb_ktypes.h>
32 
33 #define	SMB_DCMD_INDENT		2
34 #define	ACE_TYPE_TABLEN		(ACE_ALL_TYPES + 1)
35 #define	ACE_TYPE_ENTRY(_v_)	{_v_, #_v_}
36 #define	SMB_COM_ENTRY(_v_, _x_)	{#_v_, _x_}
37 
38 #define	SMB_MDB_MAX_OPTS	9
39 
40 #define	SMB_OPT_SERVER		0x00000001
41 #define	SMB_OPT_SESSION		0x00000002
42 #define	SMB_OPT_REQUEST		0x00000004
43 #define	SMB_OPT_USER		0x00000008
44 #define	SMB_OPT_TREE		0x00000010
45 #define	SMB_OPT_OFILE		0x00000020
46 #define	SMB_OPT_ODIR		0x00000040
47 #define	SMB_OPT_WALK		0x00000100
48 #define	SMB_OPT_VERBOSE		0x00000200
49 #define	SMB_OPT_ALL_OBJ		0x000000FF
50 
51 /*
52  * Structure associating an ACE type to a string.
53  */
54 typedef struct {
55 	uint8_t		ace_type_value;
56 	const char	*ace_type_sting;
57 } ace_type_entry_t;
58 
59 /*
60  * Structure containing strings describing an SMB command.
61  */
62 typedef struct {
63 	const char	*smb_com;
64 	const char	*smb_andx;
65 } smb_com_entry_t;
66 
67 /*
68  * Structure describing an object to be expanded (displayed).
69  */
70 typedef struct {
71 	uint_t		ex_mask;
72 	size_t		ex_offset;
73 	const char	*ex_dcmd;
74 	const char	*ex_name;
75 } smb_exp_t;
76 
77 /*
78  * List of supported options. Ther order has the match the bits SMB_OPT_xxx.
79  */
80 typedef struct smb_mdb_opts {
81 	char		*o_name;
82 	uint32_t	o_value;
83 } smb_mdb_opts_t;
84 
85 static smb_mdb_opts_t smb_opts[SMB_MDB_MAX_OPTS] =
86 {
87 	{ "-s", SMB_OPT_SERVER	},
88 	{ "-e", SMB_OPT_SESSION	},
89 	{ "-r", SMB_OPT_REQUEST	},
90 	{ "-u", SMB_OPT_USER	},
91 	{ "-t", SMB_OPT_TREE	},
92 	{ "-f", SMB_OPT_OFILE	},
93 	{ "-d", SMB_OPT_ODIR	},
94 	{ "-w", SMB_OPT_WALK	},
95 	{ "-v", SMB_OPT_VERBOSE	}
96 };
97 
98 static smb_com_entry_t	smb_com[256] =
99 {
100 	SMB_COM_ENTRY(SMB_COM_CREATE_DIRECTORY, "No"),
101 	SMB_COM_ENTRY(SMB_COM_DELETE_DIRECTORY, "No"),
102 	SMB_COM_ENTRY(SMB_COM_OPEN, "No"),
103 	SMB_COM_ENTRY(SMB_COM_CREATE, "No"),
104 	SMB_COM_ENTRY(SMB_COM_CLOSE, "No"),
105 	SMB_COM_ENTRY(SMB_COM_FLUSH, "No"),
106 	SMB_COM_ENTRY(SMB_COM_DELETE, "No"),
107 	SMB_COM_ENTRY(SMB_COM_RENAME, "No"),
108 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION, "No"),
109 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION, "No"),
110 	SMB_COM_ENTRY(SMB_COM_READ, "No"),
111 	SMB_COM_ENTRY(SMB_COM_WRITE, "No"),
112 	SMB_COM_ENTRY(SMB_COM_LOCK_BYTE_RANGE, "No"),
113 	SMB_COM_ENTRY(SMB_COM_UNLOCK_BYTE_RANGE, "No"),
114 	SMB_COM_ENTRY(SMB_COM_CREATE_TEMPORARY, "No"),
115 	SMB_COM_ENTRY(SMB_COM_CREATE_NEW, "No"),
116 	SMB_COM_ENTRY(SMB_COM_CHECK_DIRECTORY, "No"),
117 	SMB_COM_ENTRY(SMB_COM_PROCESS_EXIT, "No"),
118 	SMB_COM_ENTRY(SMB_COM_SEEK, "No"),
119 	SMB_COM_ENTRY(SMB_COM_LOCK_AND_READ, "No"),
120 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_UNLOCK, "No"),
121 	SMB_COM_ENTRY(0x15, "?"),
122 	SMB_COM_ENTRY(0x16, "?"),
123 	SMB_COM_ENTRY(0x17, "?"),
124 	SMB_COM_ENTRY(0x18, "?"),
125 	SMB_COM_ENTRY(0x19, "?"),
126 	SMB_COM_ENTRY(SMB_COM_READ_RAW, "No"),
127 	SMB_COM_ENTRY(SMB_COM_READ_MPX, "No"),
128 	SMB_COM_ENTRY(SMB_COM_READ_MPX_SECONDARY, "No"),
129 	SMB_COM_ENTRY(SMB_COM_WRITE_RAW, "No"),
130 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX, "No"),
131 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX_SECONDARY, "No"),
132 	SMB_COM_ENTRY(SMB_COM_WRITE_COMPLETE, "No"),
133 	SMB_COM_ENTRY(SMB_COM_QUERY_SERVER, "No"),
134 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION2, "No"),
135 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION2, "No"),
136 	SMB_COM_ENTRY(SMB_COM_LOCKING_ANDX, "No"),
137 	SMB_COM_ENTRY(SMB_COM_TRANSACTION, "No"),
138 	SMB_COM_ENTRY(SMB_COM_TRANSACTION_SECONDARY, "No"),
139 	SMB_COM_ENTRY(SMB_COM_IOCTL, "No"),
140 	SMB_COM_ENTRY(SMB_COM_IOCTL_SECONDARY, "No"),
141 	SMB_COM_ENTRY(SMB_COM_COPY, "No"),
142 	SMB_COM_ENTRY(SMB_COM_MOVE, "No"),
143 	SMB_COM_ENTRY(SMB_COM_ECHO, "No"),
144 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_CLOSE, "No"),
145 	SMB_COM_ENTRY(SMB_COM_OPEN_ANDX, "No"),
146 	SMB_COM_ENTRY(SMB_COM_READ_ANDX, "No"),
147 	SMB_COM_ENTRY(SMB_COM_WRITE_ANDX, "No"),
148 	SMB_COM_ENTRY(SMB_COM_NEW_FILE_SIZE, "No"),
149 	SMB_COM_ENTRY(SMB_COM_CLOSE_AND_TREE_DISC, "No"),
150 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2, "No"),
151 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2_SECONDARY, "No"),
152 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE2, "No"),
153 	SMB_COM_ENTRY(SMB_COM_FIND_NOTIFY_CLOSE, "No"),
154 	SMB_COM_ENTRY(0x36, "?"),
155 	SMB_COM_ENTRY(0x37, "?"),
156 	SMB_COM_ENTRY(0x38, "?"),
157 	SMB_COM_ENTRY(0x39, "?"),
158 	SMB_COM_ENTRY(0x3A, "?"),
159 	SMB_COM_ENTRY(0x3B, "?"),
160 	SMB_COM_ENTRY(0x3C, "?"),
161 	SMB_COM_ENTRY(0x3D, "?"),
162 	SMB_COM_ENTRY(0x3E, "?"),
163 	SMB_COM_ENTRY(0x3F, "?"),
164 	SMB_COM_ENTRY(0x40, "?"),
165 	SMB_COM_ENTRY(0x41, "?"),
166 	SMB_COM_ENTRY(0x42, "?"),
167 	SMB_COM_ENTRY(0x43, "?"),
168 	SMB_COM_ENTRY(0x44, "?"),
169 	SMB_COM_ENTRY(0x45, "?"),
170 	SMB_COM_ENTRY(0x46, "?"),
171 	SMB_COM_ENTRY(0x47, "?"),
172 	SMB_COM_ENTRY(0x48, "?"),
173 	SMB_COM_ENTRY(0x49, "?"),
174 	SMB_COM_ENTRY(0x4A, "?"),
175 	SMB_COM_ENTRY(0x4B, "?"),
176 	SMB_COM_ENTRY(0x4C, "?"),
177 	SMB_COM_ENTRY(0x4D, "?"),
178 	SMB_COM_ENTRY(0x4E, "?"),
179 	SMB_COM_ENTRY(0x4F, "?"),
180 	SMB_COM_ENTRY(0x50, "?"),
181 	SMB_COM_ENTRY(0x51, "?"),
182 	SMB_COM_ENTRY(0x52, "?"),
183 	SMB_COM_ENTRY(0x53, "?"),
184 	SMB_COM_ENTRY(0x54, "?"),
185 	SMB_COM_ENTRY(0x55, "?"),
186 	SMB_COM_ENTRY(0x56, "?"),
187 	SMB_COM_ENTRY(0x57, "?"),
188 	SMB_COM_ENTRY(0x58, "?"),
189 	SMB_COM_ENTRY(0x59, "?"),
190 	SMB_COM_ENTRY(0x5A, "?"),
191 	SMB_COM_ENTRY(0x5B, "?"),
192 	SMB_COM_ENTRY(0x5C, "?"),
193 	SMB_COM_ENTRY(0x5D, "?"),
194 	SMB_COM_ENTRY(0x5E, "?"),
195 	SMB_COM_ENTRY(0x5F, "?"),
196 	SMB_COM_ENTRY(0x60, "?"),
197 	SMB_COM_ENTRY(0x61, "?"),
198 	SMB_COM_ENTRY(0x62, "?"),
199 	SMB_COM_ENTRY(0x63, "?"),
200 	SMB_COM_ENTRY(0x64, "?"),
201 	SMB_COM_ENTRY(0x65, "?"),
202 	SMB_COM_ENTRY(0x66, "?"),
203 	SMB_COM_ENTRY(0x67, "?"),
204 	SMB_COM_ENTRY(0x68, "?"),
205 	SMB_COM_ENTRY(0x69, "?"),
206 	SMB_COM_ENTRY(0x6A, "?"),
207 	SMB_COM_ENTRY(0x6B, "?"),
208 	SMB_COM_ENTRY(0x6C, "?"),
209 	SMB_COM_ENTRY(0x6D, "?"),
210 	SMB_COM_ENTRY(0x6E, "?"),
211 	SMB_COM_ENTRY(0x6F, "?"),
212 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT, "No"),
213 	SMB_COM_ENTRY(SMB_COM_TREE_DISCONNECT, "No"),
214 	SMB_COM_ENTRY(SMB_COM_NEGOTIATE, "No"),
215 	SMB_COM_ENTRY(SMB_COM_SESSION_SETUP_ANDX, "No"),
216 	SMB_COM_ENTRY(SMB_COM_LOGOFF_ANDX, "No"),
217 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT_ANDX, "No"),
218 	SMB_COM_ENTRY(0x76, "?"),
219 	SMB_COM_ENTRY(0x77, "?"),
220 	SMB_COM_ENTRY(0x78, "?"),
221 	SMB_COM_ENTRY(0x79, "?"),
222 	SMB_COM_ENTRY(0x7A, "?"),
223 	SMB_COM_ENTRY(0x7B, "?"),
224 	SMB_COM_ENTRY(0x7C, "?"),
225 	SMB_COM_ENTRY(0x7D, "?"),
226 	SMB_COM_ENTRY(0x7E, "?"),
227 	SMB_COM_ENTRY(0x7F, "?"),
228 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION_DISK, "No"),
229 	SMB_COM_ENTRY(SMB_COM_SEARCH, "No"),
230 	SMB_COM_ENTRY(SMB_COM_FIND, "No"),
231 	SMB_COM_ENTRY(SMB_COM_FIND_UNIQUE, "No"),
232 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE, "No"),
233 	SMB_COM_ENTRY(0x85, "?"),
234 	SMB_COM_ENTRY(0x86, "?"),
235 	SMB_COM_ENTRY(0x87, "?"),
236 	SMB_COM_ENTRY(0x88, "?"),
237 	SMB_COM_ENTRY(0x89, "?"),
238 	SMB_COM_ENTRY(0x8A, "?"),
239 	SMB_COM_ENTRY(0x8B, "?"),
240 	SMB_COM_ENTRY(0x8C, "?"),
241 	SMB_COM_ENTRY(0x8D, "?"),
242 	SMB_COM_ENTRY(0x8E, "?"),
243 	SMB_COM_ENTRY(0x8F, "?"),
244 	SMB_COM_ENTRY(0x90, "?"),
245 	SMB_COM_ENTRY(0x91, "?"),
246 	SMB_COM_ENTRY(0x92, "?"),
247 	SMB_COM_ENTRY(0x93, "?"),
248 	SMB_COM_ENTRY(0x94, "?"),
249 	SMB_COM_ENTRY(0x95, "?"),
250 	SMB_COM_ENTRY(0x96, "?"),
251 	SMB_COM_ENTRY(0x97, "?"),
252 	SMB_COM_ENTRY(0x98, "?"),
253 	SMB_COM_ENTRY(0x99, "?"),
254 	SMB_COM_ENTRY(0x9A, "?"),
255 	SMB_COM_ENTRY(0x9B, "?"),
256 	SMB_COM_ENTRY(0x9C, "?"),
257 	SMB_COM_ENTRY(0x9D, "?"),
258 	SMB_COM_ENTRY(0x9E, "?"),
259 	SMB_COM_ENTRY(0x9F, "?"),
260 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT, "No"),
261 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT_SECONDARY, "No"),
262 	SMB_COM_ENTRY(SMB_COM_NT_CREATE_ANDX, "No"),
263 	SMB_COM_ENTRY(0xA3, "?"),
264 	SMB_COM_ENTRY(SMB_COM_NT_CANCEL, "No"),
265 	SMB_COM_ENTRY(SMB_COM_NT_RENAME, "No"),
266 	SMB_COM_ENTRY(0xA6, "?"),
267 	SMB_COM_ENTRY(0xA7, "?"),
268 	SMB_COM_ENTRY(0xA8, "?"),
269 	SMB_COM_ENTRY(0xA9, "?"),
270 	SMB_COM_ENTRY(0xAA, "?"),
271 	SMB_COM_ENTRY(0xAB, "?"),
272 	SMB_COM_ENTRY(0xAC, "?"),
273 	SMB_COM_ENTRY(0xAD, "?"),
274 	SMB_COM_ENTRY(0xAE, "?"),
275 	SMB_COM_ENTRY(0xAF, "?"),
276 	SMB_COM_ENTRY(0xB0, "?"),
277 	SMB_COM_ENTRY(0xB1, "?"),
278 	SMB_COM_ENTRY(0xB2, "?"),
279 	SMB_COM_ENTRY(0xB3, "?"),
280 	SMB_COM_ENTRY(0xB4, "?"),
281 	SMB_COM_ENTRY(0xB5, "?"),
282 	SMB_COM_ENTRY(0xB6, "?"),
283 	SMB_COM_ENTRY(0xB7, "?"),
284 	SMB_COM_ENTRY(0xB8, "?"),
285 	SMB_COM_ENTRY(0xB9, "?"),
286 	SMB_COM_ENTRY(0xBA, "?"),
287 	SMB_COM_ENTRY(0xBB, "?"),
288 	SMB_COM_ENTRY(0xBC, "?"),
289 	SMB_COM_ENTRY(0xBD, "?"),
290 	SMB_COM_ENTRY(0xBE, "?"),
291 	SMB_COM_ENTRY(0xBF, "?"),
292 	SMB_COM_ENTRY(SMB_COM_OPEN_PRINT_FILE, "No"),
293 	SMB_COM_ENTRY(SMB_COM_WRITE_PRINT_FILE, "No"),
294 	SMB_COM_ENTRY(SMB_COM_CLOSE_PRINT_FILE, "No"),
295 	SMB_COM_ENTRY(SMB_COM_GET_PRINT_QUEUE, "No"),
296 	SMB_COM_ENTRY(0xC4, "?"),
297 	SMB_COM_ENTRY(0xC5, "?"),
298 	SMB_COM_ENTRY(0xC6, "?"),
299 	SMB_COM_ENTRY(0xC7, "?"),
300 	SMB_COM_ENTRY(0xC8, "?"),
301 	SMB_COM_ENTRY(0xC9, "?"),
302 	SMB_COM_ENTRY(0xCA, "?"),
303 	SMB_COM_ENTRY(0xCB, "?"),
304 	SMB_COM_ENTRY(0xCC, "?"),
305 	SMB_COM_ENTRY(0xCD, "?"),
306 	SMB_COM_ENTRY(0xCE, "?"),
307 	SMB_COM_ENTRY(0xCF, "?"),
308 	SMB_COM_ENTRY(0xD0, "?"),
309 	SMB_COM_ENTRY(0xD1, "?"),
310 	SMB_COM_ENTRY(0xD2, "?"),
311 	SMB_COM_ENTRY(0xD3, "?"),
312 	SMB_COM_ENTRY(0xD4, "?"),
313 	SMB_COM_ENTRY(0xD5, "?"),
314 	SMB_COM_ENTRY(0xD6, "?"),
315 	SMB_COM_ENTRY(0xD7, "?"),
316 	SMB_COM_ENTRY(SMB_COM_READ_BULK, "No"),
317 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK, "No"),
318 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK_DATA, "No"),
319 	SMB_COM_ENTRY(0xDB, "?"),
320 	SMB_COM_ENTRY(0xDC, "?"),
321 	SMB_COM_ENTRY(0xDD, "?"),
322 	SMB_COM_ENTRY(0xDE, "?"),
323 	SMB_COM_ENTRY(0xDF, "?"),
324 	SMB_COM_ENTRY(0xE0, "?"),
325 	SMB_COM_ENTRY(0xE1, "?"),
326 	SMB_COM_ENTRY(0xE2, "?"),
327 	SMB_COM_ENTRY(0xE3, "?"),
328 	SMB_COM_ENTRY(0xE4, "?"),
329 	SMB_COM_ENTRY(0xE5, "?"),
330 	SMB_COM_ENTRY(0xE6, "?"),
331 	SMB_COM_ENTRY(0xE7, "?"),
332 	SMB_COM_ENTRY(0xE8, "?"),
333 	SMB_COM_ENTRY(0xE9, "?"),
334 	SMB_COM_ENTRY(0xEA, "?"),
335 	SMB_COM_ENTRY(0xEB, "?"),
336 	SMB_COM_ENTRY(0xEC, "?"),
337 	SMB_COM_ENTRY(0xED, "?"),
338 	SMB_COM_ENTRY(0xEE, "?"),
339 	SMB_COM_ENTRY(0xEF, "?"),
340 	SMB_COM_ENTRY(0xF0, "?"),
341 	SMB_COM_ENTRY(0xF1, "?"),
342 	SMB_COM_ENTRY(0xF2, "?"),
343 	SMB_COM_ENTRY(0xF3, "?"),
344 	SMB_COM_ENTRY(0xF4, "?"),
345 	SMB_COM_ENTRY(0xF5, "?"),
346 	SMB_COM_ENTRY(0xF6, "?"),
347 	SMB_COM_ENTRY(0xF7, "?"),
348 	SMB_COM_ENTRY(0xF8, "?"),
349 	SMB_COM_ENTRY(0xF9, "?"),
350 	SMB_COM_ENTRY(0xFA, "?"),
351 	SMB_COM_ENTRY(0xFB, "?"),
352 	SMB_COM_ENTRY(0xFC, "?"),
353 	SMB_COM_ENTRY(0xFD, "?"),
354 	SMB_COM_ENTRY(0xFE, "?"),
355 	SMB_COM_ENTRY(0xFF, "?")
356 };
357 
358 static int smb_dcmd_list(uintptr_t, uint_t, int, const mdb_arg_t *);
359 static void smb_dcmd_list_help(void);
360 static int smb_dcmd_server(uintptr_t, uint_t, int, const mdb_arg_t *);
361 static void smb_dcmd_session_help(void);
362 static int smb_dcmd_session(uintptr_t, uint_t, int, const mdb_arg_t *);
363 static int smb_dcmd_request(uintptr_t, uint_t, int, const mdb_arg_t *);
364 static void smb_dcmd_user_help(void);
365 static int smb_dcmd_user(uintptr_t, uint_t, int, const mdb_arg_t *);
366 static void smb_dcmd_tree_help(void);
367 static int smb_dcmd_tree(uintptr_t, uint_t, int, const mdb_arg_t *);
368 static int smb_dcmd_odir(uintptr_t, uint_t, int, const mdb_arg_t *);
369 static int smb_dcmd_ofile(uintptr_t, uint_t, int, const mdb_arg_t *);
370 static int smb_vfs(uintptr_t, uint_t, int, const mdb_arg_t *);
371 static int smb_vfs_walk_init(mdb_walk_state_t *);
372 static int smb_vfs_walk_step(mdb_walk_state_t *);
373 static void smb_node_help(void);
374 static int smb_node(uintptr_t, uint_t, int, const mdb_arg_t *);
375 static int smb_node_walk_init(mdb_walk_state_t *);
376 static int smb_node_walk_step(mdb_walk_state_t *);
377 static int smb_lock(uintptr_t, uint_t, int, const mdb_arg_t *);
378 static int smb_ace(uintptr_t, uint_t, int, const mdb_arg_t *);
379 static int smb_ace_walk_init(mdb_walk_state_t *);
380 static int smb_ace_walk_step(mdb_walk_state_t *);
381 static int smb_acl(uintptr_t, uint_t, int, const mdb_arg_t *);
382 static int smb_sd(uintptr_t, uint_t, int, const mdb_arg_t *);
383 static int smb_sid(uintptr_t, uint_t, int, const mdb_arg_t *);
384 static int smb_sid_print(uintptr_t);
385 static int smb_fssd(uintptr_t, uint_t, int, const mdb_arg_t *);
386 static int smb_dcmd_getopt(uint_t *, int, const mdb_arg_t *);
387 static int smb_dcmd_setopt(uint_t, int, mdb_arg_t *);
388 static int smb_obj_expand(uintptr_t, uint_t, const smb_exp_t *, ulong_t);
389 static int smb_obj_list(const char *, uint_t, uint_t);
390 static int smb_worker_findstack(uintptr_t);
391 static int smb_stats(uintptr_t, uint_t, int, const mdb_arg_t *);
392 
393 /*
394  * MDB module linkage information:
395  *
396  * We declare a list of structures describing our dcmds, a list of structures
397  * describing our walkers and a function named _mdb_init to return a pointer
398  * to our module information.
399  */
400 static const mdb_dcmd_t dcmds[] = {
401 	{   "smblist",
402 	    "[-seutfdwv]",
403 	    "print tree of SMB objects",
404 	    smb_dcmd_list,
405 	    smb_dcmd_list_help },
406 	{   "smbsrv",
407 	    "[-seutfdwv]",
408 	    "print smb_server information",
409 	    smb_dcmd_server },
410 	{   "smbvfs",
411 	    "[-v]",
412 	    "print smb_vfs information",
413 	    smb_vfs },
414 	{   "smbnode",
415 	    "?[-vps]",
416 	    "print smb_node_t information",
417 	    smb_node,
418 	    smb_node_help },
419 	{   "smbsess",
420 	    "[-utfdwv]",
421 	    "print smb_session_t information",
422 	    smb_dcmd_session,
423 	    smb_dcmd_session_help},
424 	{   "smbreq",
425 	    ":[-v]",
426 	    "print smb_request_t information",
427 	    smb_dcmd_request },
428 	{   "smblock", ":[-v]",
429 	    "print smb_lock_t information", smb_lock },
430 	{   "smbuser",
431 	    ":[-vdftq]",
432 	    "print smb_user_t information",
433 	    smb_dcmd_user,
434 	    smb_dcmd_user_help },
435 	{   "smbtree",
436 	    ":[-vdf]",
437 	    "print smb_tree_t information",
438 	    smb_dcmd_tree,
439 	    smb_dcmd_tree_help },
440 	{   "smbodir",
441 	    ":[-v]",
442 	    "print smb_odir_t information",
443 	    smb_dcmd_odir },
444 	{   "smbofile",
445 	    "[-v]",
446 	    "print smb_odir_t information",
447 	    smb_dcmd_ofile },
448 	{   "smbstat", NULL,
449 	    "print all smb dispatched requests statistics",
450 	    smb_stats },
451 	{   "smbace", "[-v]",
452 	    "print smb_ace_t information", smb_ace },
453 	{   "smbacl", "[-v]",
454 	    "print smb_acl_t information", smb_acl },
455 	{   "smbsid", "[-v]",
456 	    "print smb_sid_t information", smb_sid },
457 	{   "smbsd", "[-v]",
458 	    "print smb_sd_t information", smb_sd },
459 	{   "smbfssd", "[-v]",
460 	    "print smb_fssd_t information", smb_fssd },
461 	{ NULL }
462 };
463 
464 static const mdb_walker_t walkers[] = {
465 	{   "smbnode_walker",
466 	    "walk list of smb_node_t structures",
467 	    smb_node_walk_init,
468 	    smb_node_walk_step,
469 	    NULL,
470 	    NULL },
471 	{   "smbvfs_walker",
472 	    "walk list of smb_vfs_t structures",
473 	    smb_vfs_walk_init,
474 	    smb_vfs_walk_step,
475 	    NULL,
476 	    NULL },
477 	{   "smbace_walker",
478 	    "walk list of smb_ace_t structures",
479 	    smb_ace_walk_init,
480 	    smb_ace_walk_step,
481 	    NULL,
482 	    NULL },
483 	{ NULL }
484 };
485 
486 static const mdb_modinfo_t modinfo = {
487 	MDB_API_VERSION, dcmds, walkers
488 };
489 
490 const mdb_modinfo_t *
491 _mdb_init(void)
492 {
493 	return (&modinfo);
494 }
495 
496 /*
497  * *****************************************************************************
498  * ****************************** Top level DCMD *******************************
499  * *****************************************************************************
500  */
501 
502 static void
503 smb_dcmd_list_help(void)
504 {
505 	mdb_printf(
506 	    "Displays the list of objects using an indented tree format.\n"
507 	    "If no option is specified the entire tree is displayed\n\n");
508 	(void) mdb_dec_indent(2);
509 	mdb_printf("%<b>OPTIONS%</b>\n");
510 	(void) mdb_inc_indent(2);
511 	mdb_printf(
512 	    "-v\tDisplay verbose information\n"
513 	    "-s\tDisplay the list of servers\n"
514 	    "-e\tDisplay the list of sessions\n"
515 	    "-r\tDisplay the list of smb requests\n"
516 	    "-u\tDisplay the list of users\n"
517 	    "-t\tDisplay the list of trees\n"
518 	    "-f\tDisplay the list of open files\n"
519 	    "-d\tDisplay the list of open searches\n");
520 }
521 
522 /*
523  * ::smblist
524  *
525  * This function lists the objects specified on the command line. If no object
526  * is specified the entire tree (server through ofile and odir) is displayed.
527  *
528  */
529 /*ARGSUSED*/
530 static int
531 smb_dcmd_list(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
532 {
533 	GElf_Sym	sym;
534 	uint_t		opts = 0;
535 	int		new_argc;
536 	mdb_arg_t	new_argv[SMB_MDB_MAX_OPTS];
537 
538 	if (smb_dcmd_getopt(&opts, argc, argv))
539 		return (DCMD_USAGE);
540 
541 	if (!(opts & ~(SMB_OPT_WALK | SMB_OPT_VERBOSE)))
542 		opts |= SMB_OPT_ALL_OBJ;
543 
544 	opts |= SMB_OPT_WALK;
545 
546 	new_argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, new_argv);
547 
548 	if (mdb_lookup_by_name("smb_servers", &sym) == -1) {
549 		mdb_warn("failed to find symbol smb_servers");
550 		return (DCMD_ERR);
551 	}
552 
553 	addr = (uintptr_t)sym.st_value + offsetof(smb_llist_t, ll_list);
554 
555 	if (mdb_pwalk_dcmd("list", "smbsrv", new_argc, new_argv, addr))
556 		return (DCMD_ERR);
557 	return (DCMD_OK);
558 }
559 
560 /*
561  * *****************************************************************************
562  * ***************************** smb_server_t **********************************
563  * *****************************************************************************
564  */
565 
566 static const char *smb_server_state[SMB_SERVER_STATE_SENTINEL] =
567 {
568 	"CREATED",
569 	"CONFIGURED",
570 	"RUNNING",
571 	"STOPPING",
572 	"DELETING"
573 };
574 
575 /*
576  * List of objects that can be expanded under a server structure.
577  */
578 static const smb_exp_t smb_server_exp[] =
579 {
580 	{ SMB_OPT_ALL_OBJ,
581 	    offsetof(smb_server_t, sv_nbt_daemon.ld_session_list.se_rdy.lst),
582 	    "smbsess", "smb_session"},
583 	{ SMB_OPT_ALL_OBJ,
584 	    offsetof(smb_server_t, sv_nbt_daemon.ld_session_list.se_act.lst),
585 	    "smbsess", "smb_session"},
586 	{ SMB_OPT_ALL_OBJ,
587 	    offsetof(smb_server_t, sv_tcp_daemon.ld_session_list.se_rdy.lst),
588 	    "smbsess", "smb_session"},
589 	{ SMB_OPT_ALL_OBJ,
590 	    offsetof(smb_server_t, sv_tcp_daemon.ld_session_list.se_act.lst),
591 	    "smbsess", "smb_session"},
592 	{ 0, 0, NULL, NULL }
593 };
594 
595 /*
596  * ::smbsrv
597  *
598  * smbsrv dcmd - Print out smb_server structures.
599  */
600 /*ARGSUSED*/
601 static int
602 smb_dcmd_server(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
603 {
604 	uint_t		opts;
605 	ulong_t		indent = 0;
606 
607 	if (smb_dcmd_getopt(&opts, argc, argv))
608 		return (DCMD_USAGE);
609 
610 	if (!(flags & DCMD_ADDRSPEC))
611 		return (smb_obj_list("smb_server", opts | SMB_OPT_SERVER,
612 		    flags));
613 
614 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SERVER)) ||
615 	    !(opts & SMB_OPT_WALK)) {
616 		smb_server_t	*sv;
617 		const char	*state;
618 
619 		sv = mdb_alloc(sizeof (smb_server_t), UM_SLEEP | UM_GC);
620 		if (mdb_vread(sv, sizeof (smb_server_t), addr) == -1) {
621 			mdb_warn("failed to read smb_server at %p", addr);
622 			return (DCMD_ERR);
623 		}
624 
625 		indent = SMB_DCMD_INDENT;
626 
627 		if (opts & SMB_OPT_VERBOSE) {
628 			mdb_arg_t	argv;
629 
630 			argv.a_type = MDB_TYPE_STRING;
631 			argv.a_un.a_str = "smb_server_t";
632 			if (mdb_call_dcmd("print", addr, flags, 1, &argv))
633 				return (DCMD_ERR);
634 		} else {
635 			if (DCMD_HDRSPEC(flags))
636 				mdb_printf(
637 				    "%<b>%<u>%-?s% "
638 				    "%-4s% "
639 				    "%-32s% "
640 				    "%</u>%</b>\n",
641 				    "SERVER", "ZONE", "STATE");
642 
643 			if (sv->sv_state >= SMB_SERVER_STATE_SENTINEL)
644 				state = "UNKNOWN";
645 			else
646 				state = smb_server_state[sv->sv_state];
647 
648 			mdb_printf("%-?p %-4d %-32s \n",
649 			    addr, sv->sv_zid, state);
650 		}
651 	}
652 	if (smb_obj_expand(addr, opts, smb_server_exp, indent))
653 		return (DCMD_ERR);
654 	return (DCMD_OK);
655 }
656 
657 /*
658  * *****************************************************************************
659  * ***************************** smb_session_t *********************************
660  * *****************************************************************************
661  */
662 
663 static const char *smb_session_state[SMB_SESSION_STATE_SENTINEL] =
664 {
665 	"INITIALIZED",
666 	"DISCONNECTED",
667 	"CONNECTED",
668 	"ESTABLISHED",
669 	"NEGOTIATED",
670 	"OPLOCK_BREAKING",
671 	"WRITE_RAW_ACTIVE",
672 	"READ_RAW_ACTIVE",
673 	"TERMINATED"
674 };
675 
676 /*
677  * List of objects that can be expanded under a session structure.
678  */
679 static const smb_exp_t smb_session_exp[] =
680 {
681 	{ SMB_OPT_REQUEST,
682 	    offsetof(smb_session_t, s_req_list.sl_list),
683 	    "smbreq", "smb_request"},
684 	{ SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR,
685 	    offsetof(smb_session_t, s_user_list.ll_list),
686 	    "smbuser", "smb_user"},
687 	{ 0, 0, NULL, NULL}
688 };
689 
690 static void
691 smb_dcmd_session_help(void)
692 {
693 	mdb_printf(
694 	    "Display the contents of smb_session_t, with optional"
695 	    " filtering.\n\n");
696 	(void) mdb_dec_indent(2);
697 	mdb_printf("%<b>OPTIONS%</b>\n");
698 	(void) mdb_inc_indent(2);
699 	mdb_printf(
700 	    "-v\tDisplay verbose smb_session information\n"
701 	    "-r\tDisplay the list of smb requests attached\n"
702 	    "-u\tDisplay the list of users attached\n");
703 }
704 
705 /*
706  * ::smbsess
707  *
708  * smbsess dcmd - Print out the smb_session structure.
709  */
710 /*ARGSUSED*/
711 static int
712 smb_dcmd_session(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
713 {
714 	uint_t		opts;
715 	ulong_t		indent = 0;
716 
717 	if (smb_dcmd_getopt(&opts, argc, argv))
718 		return (DCMD_USAGE);
719 
720 	if (!(flags & DCMD_ADDRSPEC)) {
721 		opts |= SMB_OPT_SESSION;
722 		opts &= ~SMB_OPT_SERVER;
723 		return (smb_obj_list("smb_session", opts, flags));
724 	}
725 
726 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SESSION)) ||
727 	    !(opts & SMB_OPT_WALK)) {
728 		smb_session_t	*se;
729 		const char	*state;
730 
731 		indent = SMB_DCMD_INDENT;
732 
733 		se = mdb_alloc(sizeof (*se), UM_SLEEP | UM_GC);
734 		if (mdb_vread(se, sizeof (*se), addr) == -1) {
735 			mdb_warn("failed to read smb_session at %p", addr);
736 			return (DCMD_ERR);
737 		}
738 		if (se->s_state >= SMB_SESSION_STATE_SENTINEL)
739 			state = "INVALID";
740 		else
741 			state = smb_session_state[se->s_state];
742 
743 		if (opts & SMB_OPT_VERBOSE) {
744 			mdb_printf("%<b>%<u>SMB session information "
745 			    "(%p): %</u>%</b>\n", addr);
746 			mdb_printf("Client IP address: %I\n", se->ipaddr);
747 			mdb_printf("Local IP Address: %I\n", se->local_ipaddr);
748 			mdb_printf("Session KID: %u\n", se->s_kid);
749 			mdb_printf("Workstation Name: %s\n",
750 			    se->workstation);
751 			mdb_printf("Session state: %u (%s)\n", se->s_state,
752 			    state);
753 			mdb_printf("Number of Users: %u\n",
754 			    se->s_user_list.ll_count);
755 			mdb_printf("Number of Trees: %u\n", se->s_tree_cnt);
756 			mdb_printf("Number of Files: %u\n", se->s_file_cnt);
757 			mdb_printf("Number of Shares: %u\n", se->s_dir_cnt);
758 			mdb_printf("Number of active Transact.: %u\n\n",
759 			    se->s_xa_list.ll_count);
760 		} else {
761 			if (DCMD_HDRSPEC(flags))
762 				mdb_printf(
763 				    "%<b>%<u>%-?s "
764 				    "%-16s "
765 				    "%-16s %-16s%</u>%</b>\n",
766 				    "SESSION", "CLIENT_IP_ADDR",
767 				    "LOCAL_IP_ADDR", "STATE");
768 
769 			mdb_printf(
770 			    "%-?p %-16I %-16I %s\n", addr, se->ipaddr.a_ipv4,
771 			    se->local_ipaddr.a_ipv4, state);
772 		}
773 	}
774 	if (smb_obj_expand(addr, opts, smb_session_exp, indent))
775 		return (DCMD_ERR);
776 	return (DCMD_OK);
777 }
778 
779 /*
780  * *****************************************************************************
781  * **************************** smb_request_t **********************************
782  * *****************************************************************************
783  */
784 
785 static const char *smb_request_state[SMB_REQ_STATE_SENTINEL] =
786 {
787 	"FREE",
788 	"INITIALIZING",
789 	"SUBMITTED",
790 	"ACTIVE",
791 	"WAITING_EVENT",
792 	"EVENT_OCCURRED",
793 	"WAITING_LOCK",
794 	"COMPLETED",
795 	"CANCELED",
796 	"CLEANED_UP"
797 };
798 
799 #define	SMB_REQUEST_BANNER	\
800 	"%<b>%<u>%-?s %-?s %-14s %-14s %-16s %-32s%</u>%</b>\n"
801 #define	SMB_REQUEST_FORMAT	\
802 	"%-?p %-?p %e %e %-16s %s\n"
803 
804 static int
805 smb_dcmd_request(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
806 {
807 	uint_t		opts;
808 
809 	if (smb_dcmd_getopt(&opts, argc, argv))
810 		return (DCMD_USAGE);
811 
812 	if (!(flags & DCMD_ADDRSPEC)) {
813 		opts |= SMB_OPT_REQUEST;
814 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_USER);
815 		return (smb_obj_list("smb_request", opts, flags));
816 	}
817 
818 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_REQUEST)) ||
819 	    !(opts & SMB_OPT_WALK)) {
820 		smb_request_t	*sr;
821 		const char	*state;
822 		uint64_t	waiting;
823 		uint64_t	running;
824 
825 		sr = mdb_alloc(sizeof (*sr), UM_SLEEP | UM_GC);
826 		if (mdb_vread(sr, sizeof (*sr), addr) == -1) {
827 			mdb_warn("failed to read smb_request at %p", addr);
828 			return (DCMD_ERR);
829 		}
830 		if (sr->sr_magic != SMB_REQ_MAGIC) {
831 			mdb_warn("not an smb_request_t (%p)>", addr);
832 			return (DCMD_ERR);
833 		}
834 		waiting = 0;
835 		running = 0;
836 		if (sr->sr_time_submitted != 0) {
837 			if (sr->sr_time_active != 0) {
838 				waiting = sr->sr_time_active -
839 				    sr->sr_time_submitted;
840 				running = mdb_gethrtime() -
841 				    sr->sr_time_active;
842 			} else {
843 				waiting = mdb_gethrtime() -
844 				    sr->sr_time_submitted;
845 			}
846 		}
847 		waiting /= NANOSEC;
848 		running /= NANOSEC;
849 
850 		if (sr->sr_state >= SMB_REQ_STATE_SENTINEL)
851 			state = "INVALID";
852 		else
853 			state = smb_request_state[sr->sr_state];
854 
855 		if (opts & SMB_OPT_VERBOSE) {
856 			mdb_printf(
857 			    "%</b>%</u>SMB request information (%p):"
858 			    "%</u>%</b>\n\n", addr);
859 
860 			mdb_printf(
861 			    "first SMB COM: %u (%s)\n"
862 			    "current SMB COM: %u (%s)\n"
863 			    "state: %u (%s)\n"
864 			    "TID(tree): %u (%p)\n"
865 			    "UID(user): %u (%p)\n"
866 			    "FID(file): %u (%p)\n"
867 			    "PID: %u\n"
868 			    "MID: %u\n\n"
869 			    "waiting time: %1.3e\n"
870 			    "running time: %1.3e",
871 			    sr->first_smb_com, smb_com[sr->first_smb_com],
872 			    sr->smb_com, smb_com[sr->smb_com],
873 			    sr->sr_state, state,
874 			    sr->smb_tid, sr->tid_tree,
875 			    sr->smb_uid, sr->uid_user,
876 			    sr->smb_fid, sr->fid_ofile,
877 			    sr->smb_pid,
878 			    sr->smb_mid,
879 			    waiting,
880 			    running);
881 
882 			smb_worker_findstack((uintptr_t)sr->sr_worker);
883 		} else {
884 			if (DCMD_HDRSPEC(flags))
885 				mdb_printf(
886 				    SMB_REQUEST_BANNER,
887 				    "ADDR",
888 				    "WORKER",
889 				    "WAITING(s)",
890 				    "RUNNING(s)",
891 				    "STATE",
892 				    "COMMAND");
893 
894 			mdb_printf(SMB_REQUEST_FORMAT,
895 			    addr,
896 			    sr->sr_worker,
897 			    waiting,
898 			    running,
899 			    state,
900 			    smb_com[sr->smb_com]);
901 		}
902 	}
903 	return (DCMD_OK);
904 }
905 
906 /*
907  * *****************************************************************************
908  * ****************************** smb_user_t ***********************************
909  * *****************************************************************************
910  */
911 
912 static const char *smb_user_state[SMB_USER_STATE_SENTINEL] =
913 {
914 	"LOGGED_IN",
915 	"LOGGING_OFF",
916 	"LOGGED_OFF"
917 };
918 
919 /*
920  * List of objects that can be expanded under a user structure.
921  */
922 static const smb_exp_t smb_user_exp[] =
923 {
924 	{ SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR,
925 	    offsetof(smb_user_t, u_tree_list.ll_list),
926 	    "smbtree", "smb_tree"},
927 	{ 0, 0, NULL, NULL}
928 };
929 
930 static void
931 smb_dcmd_user_help(void)
932 {
933 	mdb_printf(
934 	    "Display the contents of smb_user_t, with optional filtering.\n\n");
935 	(void) mdb_dec_indent(2);
936 	mdb_printf("%<b>OPTIONS%</b>\n");
937 	(void) mdb_inc_indent(2);
938 	mdb_printf(
939 	    "-v\tDisplay verbose smb_user information\n"
940 	    "-d\tDisplay the list of smb_odirs attached\n"
941 	    "-f\tDisplay the list of smb_ofiles attached\n"
942 	    "-t\tDisplay the list of smb_trees attached\n");
943 }
944 
945 static int
946 smb_dcmd_user(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
947 {
948 	uint_t		opts;
949 	ulong_t		indent = 0;
950 
951 	if (smb_dcmd_getopt(&opts, argc, argv))
952 		return (DCMD_USAGE);
953 
954 	if (!(flags & DCMD_ADDRSPEC)) {
955 		opts |= SMB_OPT_USER;
956 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST);
957 		return (smb_obj_list("smb_user", opts, flags));
958 	}
959 
960 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_USER)) ||
961 	    !(opts & SMB_OPT_WALK)) {
962 		smb_user_t	*user;
963 		char		*account;
964 
965 		indent = SMB_DCMD_INDENT;
966 
967 		user = mdb_alloc(sizeof (*user), UM_SLEEP | UM_GC);
968 		if (mdb_vread(user, sizeof (*user), addr) == -1) {
969 			mdb_warn("failed to read smb_user at %p", addr);
970 			return (DCMD_ERR);
971 		}
972 		account = mdb_zalloc(user->u_domain_len + user->u_name_len + 2,
973 		    UM_SLEEP | UM_GC);
974 
975 		if (user->u_domain_len)
976 			(void) mdb_vread(account, user->u_domain_len,
977 			    (uintptr_t)user->u_domain);
978 
979 		strcat(account, "\\");
980 
981 		if (user->u_name_len)
982 			(void) mdb_vread(account + strlen(account),
983 			    user->u_name_len, (uintptr_t)user->u_name);
984 
985 		if (opts & SMB_OPT_VERBOSE) {
986 			const char	*state;
987 
988 			if (user->u_state >= SMB_USER_STATE_SENTINEL)
989 				state = "INVALID";
990 			else
991 				state = smb_user_state[user->u_state];
992 
993 			mdb_printf("%<b>%<u>SMB user information (%p):"
994 			    "%</u>%</b>\n", addr);
995 			mdb_printf("UID: %u\n", user->u_uid);
996 			mdb_printf("State: %d (%s)\n", user->u_state, state);
997 			mdb_printf("Flags: 0x%08x\n", user->u_flags);
998 			mdb_printf("Privileges: 0x%08x\n", user->u_privileges);
999 			mdb_printf("Credential: %p\n", user->u_cred);
1000 			mdb_printf("Reference Count: %d\n", user->u_refcnt);
1001 			mdb_printf("User Account: %s\n\n", account);
1002 		} else {
1003 			if (DCMD_HDRSPEC(flags))
1004 				mdb_printf(
1005 				    "%<b>%<u>%?-s "
1006 				    "%-5s "
1007 				    "%-32s%</u>%</b>\n",
1008 				    "USER", "UID", "ACCOUNT");
1009 
1010 			mdb_printf("%-?p %-5u %-32s\n", addr, user->u_uid,
1011 			    account);
1012 		}
1013 	}
1014 	if (smb_obj_expand(addr, opts, smb_user_exp, indent))
1015 		return (DCMD_ERR);
1016 	return (DCMD_OK);
1017 }
1018 
1019 /*
1020  * *****************************************************************************
1021  * ****************************** smb_tree_t ***********************************
1022  * *****************************************************************************
1023  */
1024 
1025 static const char *smb_tree_state[SMB_TREE_STATE_SENTINEL] =
1026 {
1027 	"CONNECTED",
1028 	"DISCONNECTING",
1029 	"DISCONNECTED"
1030 };
1031 
1032 /*
1033  * List of objects that can be expanded under a tree structure.
1034  */
1035 static const smb_exp_t smb_tree_exp[] =
1036 {
1037 	{ SMB_OPT_OFILE,
1038 	    offsetof(smb_tree_t, t_ofile_list.ll_list),
1039 	    "smbofile", "smb_ofile"},
1040 	{ SMB_OPT_ODIR,
1041 	    offsetof(smb_tree_t, t_odir_list.ll_list),
1042 	    "smbodir", "smb_odir"},
1043 	{ 0, 0, NULL, NULL}
1044 };
1045 
1046 static void
1047 smb_dcmd_tree_help(void)
1048 {
1049 	mdb_printf(
1050 	    "Display the contents of smb_tree_t, with optional filtering.\n\n");
1051 	(void) mdb_dec_indent(2);
1052 	mdb_printf("%<b>OPTIONS%</b>\n");
1053 	(void) mdb_inc_indent(2);
1054 	mdb_printf(
1055 	    "-v\tDisplay verbose smb_tree information\n"
1056 	    "-d\tDisplay the list of smb_odirs attached\n"
1057 	    "-f\tDisplay the list of smb_ofiles attached\n");
1058 }
1059 
1060 static int
1061 smb_dcmd_tree(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1062 {
1063 	uint_t		opts;
1064 	ulong_t		indent = 0;
1065 
1066 	if (smb_dcmd_getopt(&opts, argc, argv))
1067 		return (DCMD_USAGE);
1068 
1069 	if (!(flags & DCMD_ADDRSPEC)) {
1070 		opts |= SMB_OPT_TREE;
1071 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1072 		    SMB_OPT_USER);
1073 		return (smb_obj_list("smb_tree", opts, flags));
1074 	}
1075 
1076 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_TREE)) ||
1077 	    !(opts & SMB_OPT_WALK)) {
1078 		smb_tree_t	*tree;
1079 
1080 		indent = SMB_DCMD_INDENT;
1081 
1082 		tree = mdb_alloc(sizeof (*tree), UM_SLEEP | UM_GC);
1083 		if (mdb_vread(tree, sizeof (*tree), addr) == -1) {
1084 			mdb_warn("failed to read smb_tree at %p", addr);
1085 			return (DCMD_ERR);
1086 		}
1087 		if (opts & SMB_OPT_VERBOSE) {
1088 			const char	*state;
1089 
1090 			if (tree->t_state >= SMB_TREE_STATE_SENTINEL)
1091 				state = "INVALID";
1092 			else
1093 				state = smb_tree_state[tree->t_state];
1094 
1095 			mdb_printf("%<b>%<u>SMB tree information (%p):"
1096 			    "%</u>%</b>\n\n", addr);
1097 			mdb_printf("TID: %04x\n", tree->t_tid);
1098 			mdb_printf("State: %d (%s)\n", tree->t_state, state);
1099 			mdb_printf("Share: %s\n", tree->t_sharename);
1100 			mdb_printf("Resource: %s\n", tree->t_resource);
1101 			mdb_printf("Type: %s\n", tree->t_typename);
1102 			mdb_printf("Volume: %s\n", tree->t_volume);
1103 			mdb_printf("Umask: %04x\n", tree->t_umask);
1104 			mdb_printf("Flags: %08x\n", tree->t_flags);
1105 			mdb_printf("SMB Node: %llx\n", tree->t_snode);
1106 			mdb_printf("Reference Count: %d\n\n", tree->t_refcnt);
1107 		} else {
1108 			if (DCMD_HDRSPEC(flags))
1109 				mdb_printf(
1110 				    "%<b>%<u>%-?s %-5s %-16s %-32s%</u>%</b>\n",
1111 				    "TREE", "TID", "SHARE NAME", "RESOURCE");
1112 
1113 			mdb_printf("%-?p %-5u %-16s %-32s\n", addr,
1114 			    tree->t_tid, tree->t_sharename, tree->t_resource);
1115 		}
1116 	}
1117 	if (smb_obj_expand(addr, opts, smb_tree_exp, indent))
1118 		return (DCMD_ERR);
1119 	return (DCMD_OK);
1120 }
1121 
1122 /*
1123  * *****************************************************************************
1124  * ****************************** smb_odir_t ***********************************
1125  * *****************************************************************************
1126  */
1127 
1128 static const char *smb_odir_state[SMB_ODIR_STATE_SENTINEL] =
1129 {
1130 	"OPEN",
1131 	"IN_USE",
1132 	"CLOSING",
1133 	"CLOSED"
1134 };
1135 
1136 static int
1137 smb_dcmd_odir(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1138 {
1139 	uint_t		opts;
1140 
1141 	if (smb_dcmd_getopt(&opts, argc, argv))
1142 		return (DCMD_USAGE);
1143 
1144 	if (!(flags & DCMD_ADDRSPEC)) {
1145 		opts |= SMB_OPT_ODIR;
1146 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1147 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE);
1148 		return (smb_obj_list("smb_odir", opts, flags));
1149 	}
1150 
1151 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_ODIR)) ||
1152 	    !(opts & SMB_OPT_WALK)) {
1153 		smb_odir_t	*od;
1154 
1155 		od = mdb_alloc(sizeof (*od), UM_SLEEP | UM_GC);
1156 		if (mdb_vread(od, sizeof (*od), addr) == -1) {
1157 			mdb_warn("failed to read smb_odir at %p", addr);
1158 			return (DCMD_ERR);
1159 		}
1160 		if (opts & SMB_OPT_VERBOSE) {
1161 			const char	*state;
1162 
1163 			if (od->d_state >= SMB_ODIR_STATE_SENTINEL)
1164 				state = "INVALID";
1165 			else
1166 				state = smb_odir_state[od->d_state];
1167 
1168 			mdb_printf(
1169 			    "%<b>%<u>SMB odir information (%p):%</u>%</b>\n\n",
1170 			    addr);
1171 			mdb_printf("State: %d (%s)\n", od->d_state, state);
1172 			mdb_printf("SID: %u\n", od->d_odid);
1173 			mdb_printf("Reference Count: %d\n", od->d_refcnt);
1174 			mdb_printf("Pattern: %s\n", od->d_pattern);
1175 			mdb_printf("SMB Node: %p\n\n", od->d_dnode);
1176 		} else {
1177 			if (DCMD_HDRSPEC(flags))
1178 				mdb_printf(
1179 				    "%<b>%<u>%-?s "
1180 				    "%-5s "
1181 				    "%-?s "
1182 				    "%-16s%</u>%</b>\n",
1183 				    "ODIR", "SID", "VNODE", "PATTERN");
1184 
1185 			mdb_printf("%?p %-5u %-16p %s\n",
1186 			    addr, od->d_odid, od->d_dnode, od->d_pattern);
1187 		}
1188 	}
1189 	return (DCMD_OK);
1190 }
1191 
1192 /*
1193  * *****************************************************************************
1194  * ****************************** smb_ofile_t **********************************
1195  * *****************************************************************************
1196  */
1197 
1198 static const char *smb_ofile_state[SMB_OFILE_STATE_SENTINEL] =
1199 {
1200 	"OPEN",
1201 	"CLOSING",
1202 	"CLOSED"
1203 };
1204 
1205 static int
1206 smb_dcmd_ofile(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1207 {
1208 	uint_t		opts;
1209 
1210 	if (smb_dcmd_getopt(&opts, argc, argv))
1211 		return (DCMD_USAGE);
1212 
1213 	if (!(flags & DCMD_ADDRSPEC)) {
1214 		opts |= SMB_OPT_OFILE;
1215 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1216 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_ODIR);
1217 		return (smb_obj_list("smb_ofile", opts, flags));
1218 	}
1219 
1220 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) ||
1221 	    !(opts & SMB_OPT_WALK)) {
1222 		smb_ofile_t	*of;
1223 
1224 		of = mdb_alloc(sizeof (*of), UM_SLEEP | UM_GC);
1225 		if (mdb_vread(of, sizeof (*of), addr) == -1) {
1226 			mdb_warn("failed to read smb_ofile at %p", addr);
1227 			return (DCMD_ERR);
1228 		}
1229 		if (opts & SMB_OPT_VERBOSE) {
1230 			const char	*state;
1231 
1232 			if (of->f_state >= SMB_ODIR_STATE_SENTINEL)
1233 				state = "INVALID";
1234 			else
1235 				state = smb_ofile_state[of->f_state];
1236 
1237 			mdb_printf(
1238 			    "%<b>%<u>SMB ofile information (%p):%</u>%</b>\n\n",
1239 			    addr);
1240 			mdb_printf("FID: %u\n", of->f_fid);
1241 			mdb_printf("State: %d (%s)\n", of->f_state, state);
1242 			mdb_printf("SMB Node: %p\n", of->f_node);
1243 			mdb_printf("LLF Offset: 0x%llx (%s)\n",
1244 			    of->f_llf_pos,
1245 			    ((of->f_flags & SMB_OFLAGS_LLF_POS_VALID) ?
1246 			    "Valid" : "Invalid"));
1247 			mdb_printf("Flags: 0x%08x\n", of->f_flags);
1248 			mdb_printf("Credential: %p\n\n", of->f_cr);
1249 		} else {
1250 			if (DCMD_HDRSPEC(flags))
1251 				mdb_printf(
1252 				    "%<b>%<u>%-?s "
1253 				    "%-5s "
1254 				    "%-?s "
1255 				    "%-?s%</u>%</b>\n",
1256 				    "OFILE", "FID", "SMB NODE", "CRED");
1257 
1258 			mdb_printf("%?p %-5u %-p %p\n", addr,
1259 			    of->f_fid, of->f_node, of->f_cr);
1260 		}
1261 	}
1262 	return (DCMD_OK);
1263 }
1264 
1265 /*
1266  * *****************************************************************************
1267  * ******************************** smb_vfs_t **********************************
1268  * *****************************************************************************
1269  */
1270 
1271 /*
1272  * ::smbvfs
1273  *
1274  * smbvfs dcmd - Prints out smb_vfs structures.
1275  */
1276 /*ARGSUSED*/
1277 static int
1278 smb_vfs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1279 {
1280 	int		verbose = FALSE;
1281 	smb_vfs_t	*sf;
1282 	vnode_t		*vn;
1283 	char		*path;
1284 
1285 	if (mdb_getopts(argc, argv,
1286 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1287 	    NULL) != argc)
1288 		return (DCMD_USAGE);
1289 
1290 	/*
1291 	 * If no smb_vfs address was specified on the command line, we can
1292 	 * print out all smb_vfs by invoking the smb_vfs walker, using
1293 	 * this dcmd itself as the callback.
1294 	 */
1295 	if (!(flags & DCMD_ADDRSPEC)) {
1296 		if (mdb_walk_dcmd("smbvfs_walker", "smbvfs",
1297 		    argc, argv) == -1) {
1298 			mdb_warn("failed to walk 'smb_vfs'");
1299 			return (DCMD_ERR);
1300 		}
1301 		return (DCMD_OK);
1302 	}
1303 
1304 	if (DCMD_HDRSPEC(flags)) {
1305 		mdb_printf(
1306 		    "%<b>%<u>"
1307 		    "%-?s "
1308 		    "%-10s "
1309 		    "%-16s "
1310 		    "%-16s"
1311 		    "%-s"
1312 		    "%</u>%</b>\n",
1313 		    "SMB_VFS", "REFCNT", "VFS", "VNODE", "ROOT");
1314 	}
1315 
1316 	sf = mdb_alloc(sizeof (*sf), UM_SLEEP | UM_GC);
1317 	if (mdb_vread(sf, sizeof (*sf), addr) == -1) {
1318 		mdb_warn("failed to read smb_vfs at %p", addr);
1319 		return (DCMD_ERR);
1320 	}
1321 
1322 	vn = mdb_alloc(sizeof (*vn), UM_SLEEP | UM_GC);
1323 	if (mdb_vread(vn, sizeof (*vn),
1324 	    (uintptr_t)sf->sv_rootvp) == -1) {
1325 		mdb_warn("failed to read vnode at %p", sf->sv_rootvp);
1326 		return (DCMD_ERR);
1327 	}
1328 
1329 	path = mdb_zalloc(MAXPATHLEN, UM_SLEEP | UM_GC);
1330 	(void) mdb_vread(path, MAXPATHLEN, (uintptr_t)vn->v_path);
1331 
1332 	mdb_printf(
1333 	    "%-?p %-10d %-?p %-?p %-s\n", addr, sf->sv_refcnt,
1334 	    sf->sv_vfsp, sf->sv_rootvp, path);
1335 
1336 	return (DCMD_OK);
1337 }
1338 
1339 /*
1340  * Initialize the smb_vfs_t walker by reading the value of smb_export
1341  * in the kernel's symbol table. Only global walk supported.
1342  */
1343 static int
1344 smb_vfs_walk_init(mdb_walk_state_t *wsp)
1345 {
1346 	GElf_Sym	sym;
1347 
1348 	if (wsp->walk_addr != NULL) {
1349 		mdb_printf("smb_vfs walk only supports global walks\n");
1350 		return (WALK_ERR);
1351 	}
1352 
1353 	if (mdb_lookup_by_name("smb_export", &sym) == -1) {
1354 		mdb_warn("failed to find 'smb_export'");
1355 		return (WALK_ERR);
1356 	}
1357 
1358 	wsp->walk_addr = (uintptr_t)sym.st_value +
1359 	    offsetof(smb_export_t, e_vfs_list) + offsetof(smb_llist_t, ll_list);
1360 
1361 	if (mdb_layered_walk("list", wsp) == -1) {
1362 		mdb_warn("failed to walk list of VFS");
1363 		return (WALK_ERR);
1364 	}
1365 
1366 	return (WALK_NEXT);
1367 }
1368 
1369 static int
1370 smb_vfs_walk_step(mdb_walk_state_t *wsp)
1371 {
1372 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1373 	    wsp->walk_cbdata));
1374 }
1375 
1376 /*
1377  * *****************************************************************************
1378  * ******************************* smb_node_t **********************************
1379  * *****************************************************************************
1380  */
1381 
1382 static void
1383 smb_node_help(void)
1384 {
1385 	mdb_printf(
1386 	    "Display the contents of smb_node_t, with optional filtering.\n\n");
1387 	(void) mdb_dec_indent(2);
1388 	mdb_printf("%<b>OPTIONS%</b>\n");
1389 	(void) mdb_inc_indent(2);
1390 	mdb_printf(
1391 	    "-v\tDisplay verbose smb_node information\n"
1392 	    "-p\tDisplay the full path of the vnode associated\n"
1393 	    "-s\tDisplay the stack of the last 16 calls that modified the "
1394 	    "reference\n\tcount\n");
1395 }
1396 
1397 /*
1398  * ::smbnode
1399  *
1400  * smb_node dcmd - Print out smb_node structure.
1401  */
1402 static int
1403 smb_node(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1404 {
1405 	smb_node_t	node;
1406 	int		verbose = FALSE;
1407 	int		print_full_path = FALSE;
1408 	int		stack_trace = FALSE;
1409 	vnode_t		vnode;
1410 	char		od_name[MAXNAMELEN];
1411 	char		path_name[1024];
1412 	uintptr_t	list_addr;
1413 
1414 	if (mdb_getopts(argc, argv,
1415 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1416 	    'p', MDB_OPT_SETBITS, TRUE, &print_full_path,
1417 	    's', MDB_OPT_SETBITS, TRUE, &stack_trace,
1418 	    NULL) != argc)
1419 		return (DCMD_USAGE);
1420 
1421 	/*
1422 	 * If no smb_node address was specified on the command line, we can
1423 	 * print out all smb nodes by invoking the smb_node walker, using
1424 	 * this dcmd itself as the callback.
1425 	 */
1426 	if (!(flags & DCMD_ADDRSPEC)) {
1427 		if (mdb_walk_dcmd("smbnode_walker", "smbnode",
1428 		    argc, argv) == -1) {
1429 			mdb_warn("failed to walk 'smb_node'");
1430 			return (DCMD_ERR);
1431 		}
1432 		return (DCMD_OK);
1433 	}
1434 
1435 	/*
1436 	 * If this is the first invocation of the command, print a nice
1437 	 * header line for the output that will follow.
1438 	 */
1439 	if (DCMD_HDRSPEC(flags)) {
1440 		if (verbose) {
1441 			mdb_printf("%<b>%<u>SMB node information:%</u>%</b>\n");
1442 		} else {
1443 			mdb_printf(
1444 			    "%<b>%<u>%-?s "
1445 			    "%-?s "
1446 			    "%-18s "
1447 			    "%-6s "
1448 			    "%-6s "
1449 			    "%-6s%</u>%</b>\n",
1450 			    "ADDR", "VP", "NODE-NAME", "OFILES", "LOCKS",
1451 			    "REF");
1452 		}
1453 	}
1454 
1455 	/*
1456 	 * For each smb_node, we just need to read the smb_node_t struct, read
1457 	 * and then print out the following fields.
1458 	 */
1459 	if (mdb_vread(&node, sizeof (node), addr) == sizeof (node)) {
1460 		(void) mdb_snprintf(od_name, sizeof (od_name), "%s",
1461 		    node.od_name);
1462 		if (print_full_path) {
1463 			if (mdb_vread(&vnode, sizeof (vnode_t),
1464 			    (uintptr_t)node.vp) == sizeof (vnode_t)) {
1465 				if (mdb_readstr(path_name, sizeof (path_name),
1466 				    (uintptr_t)vnode.v_path) != 0) {
1467 					(void) mdb_snprintf(od_name,
1468 					    sizeof (od_name), "N/A");
1469 				}
1470 			}
1471 		}
1472 		if (verbose) {
1473 			mdb_printf("VP: %p\n", node.vp);
1474 			mdb_printf("Name: %s\n", od_name);
1475 			if (print_full_path)
1476 				mdb_printf("V-node Path: %s\n", path_name);
1477 			mdb_printf("Ofiles: %u\n", node.n_ofile_list.ll_count);
1478 			mdb_printf("Range Locks: %u\n",
1479 			    node.n_lock_list.ll_count);
1480 			if (node.n_lock_list.ll_count != 0) {
1481 				(void) mdb_inc_indent(SMB_DCMD_INDENT);
1482 				list_addr = addr +
1483 				    offsetof(smb_node_t, n_lock_list) +
1484 				    offsetof(smb_llist_t, ll_list);
1485 				if (mdb_pwalk_dcmd("list", "smblock", 0,
1486 				    NULL, list_addr)) {
1487 					mdb_warn("failed to walk node's active"
1488 					    " locks");
1489 				}
1490 				(void) mdb_dec_indent(SMB_DCMD_INDENT);
1491 			}
1492 			mdb_printf("Reference Count: %u\n\n", node.n_refcnt);
1493 		} else {
1494 			mdb_printf("%-?p %-?p %-18s %-6d %-6d %-6d\n",
1495 			    addr, node.vp, od_name, node.n_ofile_list.ll_count,
1496 			    node.n_lock_list.ll_count, node.n_refcnt);
1497 			if (print_full_path)
1498 				mdb_printf("\t%s\n", path_name);
1499 		}
1500 		if (stack_trace && node.n_audit_buf) {
1501 			int ctr;
1502 			smb_audit_buf_node_t *anb;
1503 
1504 			anb = mdb_alloc(sizeof (smb_audit_buf_node_t),
1505 			    UM_SLEEP | UM_GC);
1506 
1507 			if (mdb_vread(anb, sizeof (*anb),
1508 			    (uintptr_t)node.n_audit_buf) != sizeof (*anb)) {
1509 				mdb_warn("failed to read audit buffer");
1510 				return (DCMD_ERR);
1511 			}
1512 			ctr = anb->anb_max_index + 1;
1513 			anb->anb_index--;
1514 			anb->anb_index &= anb->anb_max_index;
1515 
1516 			while (ctr) {
1517 				smb_audit_record_node_t	*anr;
1518 
1519 				anr = anb->anb_records + anb->anb_index;
1520 
1521 				if (anr->anr_depth) {
1522 					char c[MDB_SYM_NAMLEN];
1523 					GElf_Sym sym;
1524 					int i;
1525 
1526 					mdb_printf("\nRefCnt: %u\t",
1527 					    anr->anr_refcnt);
1528 
1529 					for (i = 0;
1530 					    i < anr->anr_depth;
1531 					    i++) {
1532 						if (mdb_lookup_by_addr(
1533 						    anr->anr_stack[i],
1534 						    MDB_SYM_FUZZY,
1535 						    c, sizeof (c),
1536 						    &sym) == -1) {
1537 							continue;
1538 						}
1539 						mdb_printf("%s+0x%1x",
1540 						    c,
1541 						    anr->anr_stack[i] -
1542 						    (uintptr_t)sym.st_value);
1543 						++i;
1544 						break;
1545 					}
1546 
1547 					while (i < anr->anr_depth) {
1548 						if (mdb_lookup_by_addr(
1549 						    anr->anr_stack[i],
1550 						    MDB_SYM_FUZZY,
1551 						    c, sizeof (c),
1552 						    &sym) == -1) {
1553 							++i;
1554 							continue;
1555 						}
1556 						mdb_printf("\n\t\t%s+0x%1x",
1557 						    c,
1558 						    anr->anr_stack[i] -
1559 						    (uintptr_t)sym.st_value);
1560 						++i;
1561 					}
1562 					mdb_printf("\n");
1563 				}
1564 				anb->anb_index--;
1565 				anb->anb_index &= anb->anb_max_index;
1566 				ctr--;
1567 			}
1568 		}
1569 	} else {
1570 		mdb_warn("failed to read struct smb_node at %p", addr);
1571 		return (DCMD_ERR);
1572 	}
1573 
1574 	return (DCMD_OK);
1575 }
1576 
1577 /*
1578  * Initialize the smb_node_t walker by reading the value of smb_node_hash_table
1579  * in the kernel's symbol table. Only global walk supported.
1580  */
1581 static int
1582 smb_node_walk_init(mdb_walk_state_t *wsp)
1583 {
1584 	GElf_Sym	sym;
1585 	int		i;
1586 	uintptr_t	node_hash_table_addr;
1587 
1588 	if (wsp->walk_addr == NULL) {
1589 		if (mdb_lookup_by_name("smb_node_hash_table", &sym) == -1) {
1590 			mdb_warn("failed to find 'smb_node_hash_table'");
1591 			return (WALK_ERR);
1592 		}
1593 		node_hash_table_addr = (uintptr_t)sym.st_value;
1594 	} else {
1595 		mdb_printf("smb_node walk only supports global walks\n");
1596 		return (WALK_ERR);
1597 	}
1598 
1599 	for (i = 0; i < SMBND_HASH_MASK + 1; i++) {
1600 		wsp->walk_addr = node_hash_table_addr +
1601 		    (i * sizeof (smb_llist_t)) + offsetof(smb_llist_t, ll_list);
1602 		if (mdb_layered_walk("list", wsp) == -1) {
1603 			mdb_warn("failed to walk 'list'");
1604 			return (WALK_ERR);
1605 		}
1606 	}
1607 
1608 	return (WALK_NEXT);
1609 }
1610 
1611 static int
1612 smb_node_walk_step(mdb_walk_state_t *wsp)
1613 {
1614 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1615 	    wsp->walk_cbdata));
1616 }
1617 
1618 /*
1619  * *****************************************************************************
1620  * ****************************** smb_lock_t ***********************************
1621  * *****************************************************************************
1622  */
1623 
1624 static int
1625 smb_lock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1626 {
1627 	smb_lock_t	lock;
1628 	int		verbose = FALSE;
1629 	uintptr_t	list_addr;
1630 	char		*lock_type;
1631 
1632 	if (mdb_getopts(argc, argv,
1633 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1634 	    NULL) != argc)
1635 		return (DCMD_USAGE);
1636 
1637 	/*
1638 	 * An smb_lock_t address must be specified.
1639 	 */
1640 	if (!(flags & DCMD_ADDRSPEC))
1641 		return (DCMD_USAGE);
1642 
1643 	/*
1644 	 * If this is the first invocation of the command, print a nice
1645 	 * header line for the output that will follow.
1646 	 */
1647 	if (DCMD_HDRSPEC(flags)) {
1648 		if (verbose)
1649 			mdb_printf("SMB lock information:\n\n");
1650 		else
1651 			mdb_printf("%<u>%-?s %4s %16s %8s %9s%</u>\n",
1652 			    "Locks: ", "TYPE", "START", "LENGTH",
1653 			    "CONFLICTS");
1654 	}
1655 
1656 	if (mdb_vread(&lock, sizeof (lock), addr) == sizeof (lock)) {
1657 		switch (lock.l_type) {
1658 		case SMB_LOCK_TYPE_READWRITE:
1659 			lock_type = "RW";
1660 			break;
1661 		case SMB_LOCK_TYPE_READONLY:
1662 			lock_type = "RO";
1663 			break;
1664 		default:
1665 			lock_type = "N/A";
1666 			break;
1667 		}
1668 		if (verbose) {
1669 			mdb_printf("Type             :\t%s (%u)\n",
1670 			    lock_type, lock.l_type);
1671 			mdb_printf("Start            :\t%llx\n",
1672 			    lock.l_start);
1673 			mdb_printf("Length           :\t%lx\n",
1674 			    lock.l_length);
1675 			mdb_printf("Session          :\t%p\n",
1676 			    lock.l_session);
1677 			mdb_printf("File             :\t%p\n",
1678 			    lock.l_file);
1679 			mdb_printf("User ID          :\t%u\n",
1680 			    lock.l_uid);
1681 			mdb_printf("Process ID       :\t%u\n",
1682 			    lock.l_pid);
1683 			mdb_printf("Conflicts        :\t%u\n",
1684 			    lock.l_conflict_list.sl_count);
1685 			if (lock.l_conflict_list.sl_count != 0) {
1686 				(void) mdb_inc_indent(SMB_DCMD_INDENT);
1687 				list_addr = addr +
1688 				    offsetof(smb_lock_t, l_conflict_list) +
1689 				    offsetof(smb_slist_t, sl_list);
1690 				if (mdb_pwalk_dcmd("list", "smb_lock",
1691 				    0, NULL, list_addr)) {
1692 					mdb_warn("failed to walk conflict "
1693 					    "locks ");
1694 				}
1695 				(void) mdb_dec_indent(SMB_DCMD_INDENT);
1696 			}
1697 			mdb_printf("Blocked by       :\t%p\n",
1698 			    lock.l_blocked_by);
1699 			mdb_printf("Flags            :\t0x%x\n",
1700 			    lock.l_flags);
1701 			mdb_printf("\n");
1702 		} else {
1703 			mdb_printf("%?p %4s %16llx %08lx %9x", addr,
1704 			    lock_type, lock.l_start, lock.l_length,
1705 			    lock.l_conflict_list.sl_count);
1706 		}
1707 	} else {
1708 		mdb_warn("failed to read struct smb_request at %p", addr);
1709 		return (DCMD_ERR);
1710 	}
1711 
1712 	return (DCMD_OK);
1713 }
1714 
1715 /*
1716  * ::smbstat
1717  *
1718  * Prints SMB requests statistics.
1719  */
1720 /*ARGSUSED*/
1721 static int
1722 smb_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1723 {
1724 	smb_server_t	*sv;
1725 
1726 	if (!(flags & DCMD_ADDRSPEC))
1727 		return (DCMD_USAGE);
1728 
1729 	sv = mdb_alloc(sizeof (*sv), UM_SLEEP | UM_GC);
1730 	if (mdb_vread(sv, sizeof (*sv), addr) == -1) {
1731 		mdb_warn("failed to read server object at %p", addr);
1732 		return (DCMD_ERR);
1733 	}
1734 	if (sv->sv_magic != SMB_SERVER_MAGIC) {
1735 		mdb_warn("not an smb_server_t (%p)>", addr);
1736 		return (DCMD_ERR);
1737 	}
1738 	mdb_printf(
1739 	    "\n%<b>  nbt   tcp users trees files pipes%</b>\n"
1740 	    "%5d %5d %5d %5d %5d %5d\n",
1741 	    sv->sv_nbt_sess,
1742 	    sv->sv_tcp_sess,
1743 	    sv->sv_users,
1744 	    sv->sv_trees,
1745 	    sv->sv_files,
1746 	    sv->sv_pipes);
1747 
1748 	return (DCMD_OK);
1749 }
1750 
1751 /*
1752  * *****************************************************************************
1753  * ******************************** smb_ace_t **********************************
1754  * *****************************************************************************
1755  */
1756 static const ace_type_entry_t	ace_types[ACE_TYPE_TABLEN] =
1757 {
1758 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_ACE_TYPE),
1759 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_ACE_TYPE),
1760 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_ACE_TYPE),
1761 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_ACE_TYPE),
1762 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE),
1763 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE),
1764 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_OBJECT_ACE_TYPE),
1765 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE),
1766 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE),
1767 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE),
1768 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE),
1769 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE),
1770 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE),
1771 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE),
1772 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE),
1773 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE),
1774 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE),
1775 	ACE_TYPE_ENTRY(0x11),
1776 	ACE_TYPE_ENTRY(0x12),
1777 	ACE_TYPE_ENTRY(0x13),
1778 	ACE_TYPE_ENTRY(0x14),
1779 	ACE_TYPE_ENTRY(0x15),
1780 	ACE_TYPE_ENTRY(0x16),
1781 	ACE_TYPE_ENTRY(0x17),
1782 	ACE_TYPE_ENTRY(0x18),
1783 	ACE_TYPE_ENTRY(0x19),
1784 	ACE_TYPE_ENTRY(0x1A),
1785 	ACE_TYPE_ENTRY(0x1B),
1786 	ACE_TYPE_ENTRY(0x1C),
1787 	ACE_TYPE_ENTRY(0x1D),
1788 	ACE_TYPE_ENTRY(0x1E),
1789 	ACE_TYPE_ENTRY(0x1F)
1790 };
1791 
1792 static const mdb_bitmask_t ace_flag_bits[] = {
1793 	{ "OBJECT_INHERIT_ACE", OBJECT_INHERIT_ACE, OBJECT_INHERIT_ACE },
1794 	{ "CONTAINER_INHERIT_ACE", CONTAINER_INHERIT_ACE,
1795 	    CONTAINER_INHERIT_ACE },
1796 	{ "NO_PROPOGATE_INHERIT_ACE", NO_PROPOGATE_INHERIT_ACE,
1797 	    NO_PROPOGATE_INHERIT_ACE },
1798 	{ "INHERIT_ONLY_ACE", INHERIT_ONLY_ACE, INHERIT_ONLY_ACE },
1799 	{ "INHERITED_ACE", INHERITED_ACE, INHERITED_ACE },
1800 	{ "SUCCESSFUL_ACCESS_ACE_FLAG", SUCCESSFUL_ACCESS_ACE_FLAG,
1801 	    SUCCESSFUL_ACCESS_ACE_FLAG },
1802 	{ "FAILED_ACCESS_ACE_FLAG", FAILED_ACCESS_ACE_FLAG,
1803 	    FAILED_ACCESS_ACE_FLAG },
1804 	{ NULL, 0, 0 }
1805 };
1806 
1807 /*
1808  * ::smbace
1809  */
1810 static int
1811 smb_ace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1812 {
1813 	smb_ace_t	ace;
1814 	int		verbose = FALSE;
1815 	const char	*ptr;
1816 	int		rc;
1817 
1818 	if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose,
1819 	    NULL) != argc)
1820 		return (DCMD_USAGE);
1821 
1822 	/*
1823 	 * An smb_ace address is required.
1824 	 */
1825 	if (!(flags & DCMD_ADDRSPEC))
1826 		return (DCMD_USAGE);
1827 
1828 	if (mdb_vread(&ace, sizeof (ace), addr) != sizeof (ace)) {
1829 		mdb_warn("failed to read struct smb_ace at %p", addr);
1830 		return (DCMD_ERR);
1831 	}
1832 
1833 	if (verbose) {
1834 		if (ace.se_hdr.se_type < ACE_TYPE_TABLEN)
1835 			ptr = ace_types[ace.se_hdr.se_type].ace_type_sting;
1836 		else
1837 			ptr = "Unknown";
1838 
1839 		mdb_printf("ACE Type: 0x%02x (%s)\n", ace.se_hdr.se_type, ptr);
1840 		mdb_printf("ACE Flags: %b\n", (int)ace.se_hdr.se_flags,
1841 		    ace_flag_bits);
1842 		mdb_printf("ACE Wire Size: 0x%04x\n", ace.se_hdr.se_bsize);
1843 		mdb_printf("ACE Mask: 0x%08x\n", ace.se_mask);
1844 		mdb_printf("ACE SID: ");
1845 	} else {
1846 		if (DCMD_HDRSPEC(flags))
1847 			mdb_printf(
1848 			    "%<b>%<u>%?-s %-4s %-4s %-8s %s%</u>%</b>\n",
1849 			    "ACE", "TYPE", "FLAGS", "MASK", "SID");
1850 		mdb_printf("%?p 0x%02x 0x%02x 0x%08x ", addr,
1851 		    ace.se_hdr.se_type, ace.se_hdr.se_flags, ace.se_mask);
1852 	}
1853 	rc = smb_sid_print((uintptr_t)ace.se_sid);
1854 	mdb_printf("\n");
1855 	return (rc);
1856 }
1857 
1858 static int
1859 smb_ace_walk_init(mdb_walk_state_t *wsp)
1860 {
1861 	if (wsp->walk_addr == 0) {
1862 		mdb_printf("smb_ace walk only supports local walks\n");
1863 		return (WALK_ERR);
1864 	}
1865 
1866 	wsp->walk_addr += offsetof(smb_acl_t, sl_sorted);
1867 
1868 	if (mdb_layered_walk("list", wsp) == -1) {
1869 		mdb_warn("failed to walk list of ACEs");
1870 		return (WALK_ERR);
1871 	}
1872 
1873 	return (WALK_NEXT);
1874 }
1875 
1876 static int
1877 smb_ace_walk_step(mdb_walk_state_t *wsp)
1878 {
1879 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1880 	    wsp->walk_cbdata));
1881 }
1882 
1883 /*
1884  * *****************************************************************************
1885  * ******************************** smb_acl_t **********************************
1886  * *****************************************************************************
1887  */
1888 
1889 /*
1890  * ::smbacl
1891  */
1892 static int
1893 smb_acl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1894 {
1895 	smb_acl_t	acl;
1896 
1897 	/* An smb_acl address is required. */
1898 	if (!(flags & DCMD_ADDRSPEC))
1899 		return (DCMD_USAGE);
1900 
1901 	if (mdb_vread(&acl, sizeof (acl), addr) != sizeof (acl)) {
1902 		mdb_warn("failed to read struct smb_acl at %p", addr);
1903 		return (DCMD_ERR);
1904 	}
1905 
1906 	mdb_printf("ACL Revision: %d\n", acl.sl_revision);
1907 	mdb_printf("ACL Size on Wire: %d\n", acl.sl_bsize);
1908 	mdb_printf("ACL Number of ACEs: %d\n", acl.sl_acecnt);
1909 
1910 	(void) mdb_inc_indent(SMB_DCMD_INDENT);
1911 	if (mdb_pwalk_dcmd("smbace_walker", "smbace", argc, argv, addr)) {
1912 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
1913 		mdb_warn("failed to walk list of ACEs for ACL %p", addr);
1914 		return (DCMD_ERR);
1915 	}
1916 	(void) mdb_dec_indent(SMB_DCMD_INDENT);
1917 	return (DCMD_OK);
1918 }
1919 
1920 /*
1921  * *****************************************************************************
1922  * ********************************* smb_sd_t **********************************
1923  * *****************************************************************************
1924  */
1925 
1926 /*
1927  * ::smbsd
1928  */
1929 static int
1930 smb_sd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1931 {
1932 	smb_sd_t	sd;
1933 	int		rc;
1934 
1935 	/*
1936 	 * An smb_sid address is required.
1937 	 */
1938 	if (!(flags & DCMD_ADDRSPEC))
1939 		return (DCMD_USAGE);
1940 
1941 	if (mdb_vread(&sd, sizeof (sd), addr) != sizeof (sd)) {
1942 		mdb_warn("failed to read struct smb_sd at %p", addr);
1943 		return (DCMD_ERR);
1944 	}
1945 
1946 	mdb_printf("SD Revision: %d\n", sd.sd_revision);
1947 	mdb_printf("SD Control: %04x\n", sd.sd_control);
1948 	if (sd.sd_control & SE_OWNER_DEFAULTED)
1949 		mdb_printf("\t    SE_OWNER_DEFAULTED\n");
1950 	if (sd.sd_control & SE_GROUP_DEFAULTED)
1951 		mdb_printf("\t    SE_GROUP_DEFAULTED\n");
1952 	if (sd.sd_control & SE_DACL_PRESENT)
1953 		mdb_printf("\t    SE_DACL_PRESENT\n");
1954 	if (sd.sd_control & SE_DACL_DEFAULTED)
1955 		mdb_printf("\t    SE_DACL_DEFAULTED\n");
1956 	if (sd.sd_control & SE_SACL_PRESENT)
1957 		mdb_printf("\t    SE_SACL_PRESENT\n");
1958 	if (sd.sd_control & SE_SACL_DEFAULTED)
1959 		mdb_printf("\t    SE_SACL_DEFAULTED\n");
1960 	if (sd.sd_control & SE_DACL_AUTO_INHERIT_REQ)
1961 		mdb_printf("\t    SE_DACL_AUTO_INHERIT_REQ\n");
1962 	if (sd.sd_control & SE_SACL_AUTO_INHERIT_REQ)
1963 		mdb_printf("\t    SE_SACL_AUTO_INHERIT_REQ\n");
1964 	if (sd.sd_control & SE_DACL_AUTO_INHERITED)
1965 		mdb_printf("\t    SE_DACL_AUTO_INHERITED\n");
1966 	if (sd.sd_control & SE_SACL_AUTO_INHERITED)
1967 		mdb_printf("\t    SE_SACL_AUTO_INHERITED\n");
1968 	if (sd.sd_control & SE_DACL_PROTECTED)
1969 		mdb_printf("\t    SE_DACL_PROTECTED\n");
1970 	if (sd.sd_control & SE_SACL_PROTECTED)
1971 		mdb_printf("\t    SE_SACL_PROTECTED\n");
1972 	if (sd.sd_control & SE_SELF_RELATIVE)
1973 		mdb_printf("\t    SE_SELF_RELATIVE\n");
1974 
1975 	mdb_printf("SID of Owner: ");
1976 	rc = smb_sid_print((uintptr_t)sd.sd_owner);
1977 	if (rc != DCMD_OK)
1978 		return (rc);
1979 	mdb_printf("\nSID of Group: ");
1980 	rc = smb_sid_print((uintptr_t)sd.sd_group);
1981 	if (rc != DCMD_OK)
1982 		return (rc);
1983 	mdb_printf("\n");
1984 
1985 	if (sd.sd_control & SE_SACL_PRESENT && sd.sd_sacl) {
1986 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
1987 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
1988 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_sacl, flags,
1989 		    argc, argv);
1990 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
1991 		if (rc != DCMD_OK)
1992 			return (rc);
1993 	}
1994 	if (sd.sd_control & SE_DACL_PRESENT && sd.sd_dacl) {
1995 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
1996 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
1997 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_dacl, flags,
1998 		    argc, argv);
1999 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2000 		if (rc != DCMD_OK)
2001 			return (rc);
2002 	}
2003 
2004 	return (DCMD_OK);
2005 }
2006 
2007 /*
2008  * *****************************************************************************
2009  * ********************************* smb_sid_t *********************************
2010  * *****************************************************************************
2011  */
2012 
2013 /*
2014  * ::smbsid
2015  */
2016 /*ARGSUSED*/
2017 static int
2018 smb_sid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2019 {
2020 	/*
2021 	 * An smb_sid address is required.
2022 	 */
2023 	if (!(flags & DCMD_ADDRSPEC))
2024 		return (DCMD_USAGE);
2025 
2026 	return (smb_sid_print(addr));
2027 }
2028 
2029 /*
2030  * smb_sid_print
2031  */
2032 static int
2033 smb_sid_print(uintptr_t addr)
2034 {
2035 	smb_sid_t	sid;
2036 	smb_sid_t	*psid;
2037 	size_t		sid_size;
2038 	int		i;
2039 	uint64_t	authority;
2040 
2041 	sid_size = offsetof(smb_sid_t, sid_subauth);
2042 
2043 	if (mdb_vread(&sid, sid_size, addr) != sid_size) {
2044 		mdb_warn("failed to read struct smb_sid at %p", addr);
2045 		return (DCMD_ERR);
2046 	}
2047 
2048 	sid_size += sid.sid_subauthcnt * sizeof (sid.sid_subauth[0]);
2049 
2050 	psid = mdb_zalloc(sid_size, UM_SLEEP | UM_GC);
2051 	if (mdb_vread(psid, sid_size, addr) != sid_size) {
2052 		mdb_warn("failed to read struct smb_sid at %p", addr);
2053 		return (DCMD_ERR);
2054 	}
2055 
2056 	mdb_printf("S-%d", psid->sid_revision);
2057 	authority = 0;
2058 	for (i = 0; i < NT_SID_AUTH_MAX; i++) {
2059 		authority += ((uint64_t)psid->sid_authority[i]) <<
2060 		    (8 * (NT_SID_AUTH_MAX - 1) - i);
2061 	}
2062 	mdb_printf("-%ll", authority);
2063 
2064 	for (i = 0; i < psid->sid_subauthcnt; i++)
2065 		mdb_printf("-%d", psid->sid_subauth[i]);
2066 
2067 	return (DCMD_OK);
2068 }
2069 
2070 /*
2071  * *****************************************************************************
2072  * ********************************* smb_fssd_t ********************************
2073  * *****************************************************************************
2074  */
2075 
2076 /*
2077  * ::smbfssd
2078  */
2079 static int
2080 smb_fssd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2081 {
2082 	smb_fssd_t	fssd;
2083 	int		rc;
2084 
2085 	/*
2086 	 * An smb_fssd address is required.
2087 	 */
2088 	if (!(flags & DCMD_ADDRSPEC))
2089 		return (DCMD_USAGE);
2090 
2091 	if (mdb_vread(&fssd, sizeof (fssd), addr) != sizeof (fssd)) {
2092 		mdb_warn("failed to read struct smb_fssd at %p", addr);
2093 		return (DCMD_ERR);
2094 	}
2095 
2096 	mdb_printf("FSSD secinfo: 0x%x\n", fssd.sd_secinfo);
2097 	if (fssd.sd_secinfo & SMB_OWNER_SECINFO)
2098 		mdb_printf("FSSD uid: %d\n", fssd.sd_uid);
2099 	if (fssd.sd_secinfo & SMB_GROUP_SECINFO)
2100 		mdb_printf("FSSD gid: %d\n", fssd.sd_gid);
2101 	if (fssd.sd_secinfo & SMB_SACL_SECINFO && fssd.sd_zsacl) {
2102 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
2103 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2104 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zsacl, flags,
2105 		    argc, argv);
2106 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2107 		if (rc != DCMD_OK)
2108 			return (rc);
2109 	}
2110 	if (fssd.sd_secinfo & SMB_DACL_SECINFO && fssd.sd_zdacl) {
2111 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
2112 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2113 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zdacl, flags,
2114 		    argc, argv);
2115 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2116 		if (rc != DCMD_OK)
2117 			return (rc);
2118 	}
2119 
2120 	return (DCMD_OK);
2121 }
2122 
2123 /*
2124  * *****************************************************************************
2125  * **************************** Utility Funcions *******************************
2126  * *****************************************************************************
2127  */
2128 
2129 /*
2130  * smb_dcmd_getopt
2131  *
2132  * This function analyzes the arguments passed in and sets the bit corresponding
2133  * to the options found in the opts variable.
2134  *
2135  * Return Value
2136  *
2137  *	-1	An error occured during the decoding
2138  *	0	The decoding was successful
2139  */
2140 static int
2141 smb_dcmd_getopt(uint_t *opts, int argc, const mdb_arg_t *argv)
2142 {
2143 	*opts = 0;
2144 
2145 	if (mdb_getopts(argc, argv,
2146 	    's', MDB_OPT_SETBITS, SMB_OPT_SERVER, opts,
2147 	    'e', MDB_OPT_SETBITS, SMB_OPT_SESSION, opts,
2148 	    'r', MDB_OPT_SETBITS, SMB_OPT_REQUEST, opts,
2149 	    'u', MDB_OPT_SETBITS, SMB_OPT_USER, opts,
2150 	    't', MDB_OPT_SETBITS, SMB_OPT_TREE, opts,
2151 	    'f', MDB_OPT_SETBITS, SMB_OPT_OFILE, opts,
2152 	    'd', MDB_OPT_SETBITS, SMB_OPT_ODIR, opts,
2153 	    'w', MDB_OPT_SETBITS, SMB_OPT_WALK, opts,
2154 	    'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, opts,
2155 	    NULL) != argc)
2156 		return (-1);
2157 
2158 	return (0);
2159 }
2160 
2161 /*
2162  * smb_dcmd_setopt
2163  *
2164  * This function set the arguments corresponding to the bits set in opts.
2165  *
2166  * Return Value
2167  *
2168  *	Number of arguments set.
2169  */
2170 static int
2171 smb_dcmd_setopt(uint_t opts, int max_argc, mdb_arg_t *argv)
2172 {
2173 	int	i;
2174 	int	argc = 0;
2175 
2176 	for (i = 0; i < SMB_MDB_MAX_OPTS; i++) {
2177 		if ((opts & smb_opts[i].o_value) && (argc < max_argc)) {
2178 			argv->a_type = MDB_TYPE_STRING;
2179 			argv->a_un.a_str = smb_opts[i].o_name;
2180 			argc++;
2181 			argv++;
2182 		}
2183 	}
2184 	return (argc);
2185 }
2186 
2187 /*
2188  * smb_obj_expand
2189  */
2190 static int
2191 smb_obj_expand(uintptr_t addr, uint_t opts, const smb_exp_t *x, ulong_t indent)
2192 {
2193 	int		rc = 0;
2194 	int		argc;
2195 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
2196 
2197 	argc = smb_dcmd_setopt(opts | SMB_OPT_WALK, SMB_MDB_MAX_OPTS, argv);
2198 
2199 	(void) mdb_inc_indent(indent);
2200 	while (x->ex_dcmd) {
2201 		if (x->ex_mask & opts) {
2202 			rc = mdb_pwalk_dcmd("list", x->ex_dcmd, argc, argv,
2203 			    addr + x->ex_offset);
2204 
2205 			if (rc) {
2206 				mdb_warn("failed to walk the list of %s in %p",
2207 				    x->ex_name, addr + x->ex_offset);
2208 				break;
2209 			}
2210 		}
2211 		x++;
2212 	}
2213 	(void) mdb_dec_indent(indent);
2214 	return (rc);
2215 }
2216 
2217 /*
2218  * smb_obj_list
2219  *
2220  * Function called by the DCMDs when no address is provided. It expands the
2221  * tree under the object type associated with the calling DCMD (based on the
2222  * flags passed in).
2223  *
2224  * Return Value
2225  *
2226  *	DCMD_OK
2227  *	DCMD_ERR
2228  */
2229 static int
2230 smb_obj_list(const char *name, uint_t opts, uint_t flags)
2231 {
2232 	int		argc;
2233 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
2234 
2235 	argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, argv);
2236 
2237 	if (mdb_call_dcmd("smblist", 0, flags, argc, argv)) {
2238 		mdb_warn("failed to list %s", name);
2239 		return (DCMD_ERR);
2240 	}
2241 	return (DCMD_OK);
2242 }
2243 
2244 static int
2245 smb_worker_findstack(uintptr_t addr)
2246 {
2247 	kthread_t	t;
2248 	taskq_t		tq;
2249 	char		cmd[80];
2250 	mdb_arg_t	cmdarg;
2251 
2252 	if (mdb_vread(&t, sizeof (kthread_t), addr) == -1) {
2253 		mdb_warn("failed to read kthread_t at %p", addr);
2254 		return (DCMD_ERR);
2255 	}
2256 
2257 	if (mdb_vread(&tq, sizeof (taskq_t), (uintptr_t)t.t_taskq) == -1)
2258 		tq.tq_name[0] = '\0';
2259 
2260 	mdb_inc_indent(2);
2261 
2262 	mdb_printf("PC: %a", t.t_pc);
2263 	if (t.t_tid == 0) {
2264 		if (tq.tq_name[0] != '\0')
2265 			mdb_printf("    TASKQ: %s\n", tq.tq_name);
2266 		else
2267 			mdb_printf("    THREAD: %a()\n", t.t_startpc);
2268 	}
2269 
2270 	mdb_snprintf(cmd, sizeof (cmd), "<.$c%d", 16);
2271 	cmdarg.a_type = MDB_TYPE_STRING;
2272 	cmdarg.a_un.a_str = cmd;
2273 	(void) mdb_call_dcmd("findstack", addr, DCMD_ADDRSPEC, 1, &cmdarg);
2274 	mdb_dec_indent(2);
2275 	mdb_printf("\n");
2276 	return (DCMD_OK);
2277 }
2278