xref: /titanic_41/usr/src/cmd/mdb/common/modules/smbsrv/smbsrv.c (revision c39526b769298791ff5b0b6c5e761f49aabaeb4e)
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 2010 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <sys/mdb_modapi.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	10
39 
40 #define	SMB_OPT_SERVER		0x00000001
41 #define	SMB_OPT_VFS		0x00000002
42 #define	SMB_OPT_SESSION		0x00000004
43 #define	SMB_OPT_REQUEST		0x00000008
44 #define	SMB_OPT_USER		0x00000010
45 #define	SMB_OPT_TREE		0x00000020
46 #define	SMB_OPT_OFILE		0x00000040
47 #define	SMB_OPT_ODIR		0x00000080
48 #define	SMB_OPT_WALK		0x00000100
49 #define	SMB_OPT_VERBOSE		0x00000200
50 #define	SMB_OPT_ALL_OBJ		0x000000FF
51 
52 /*
53  * Structure associating an ACE type to a string.
54  */
55 typedef struct {
56 	uint8_t		ace_type_value;
57 	const char	*ace_type_sting;
58 } ace_type_entry_t;
59 
60 /*
61  * Structure containing strings describing an SMB command.
62  */
63 typedef struct {
64 	const char	*smb_com;
65 	const char	*smb_andx;
66 } smb_com_entry_t;
67 
68 /*
69  * Structure describing an object to be expanded (displayed).
70  */
71 typedef struct {
72 	uint_t		ex_mask;
73 	size_t		ex_offset;
74 	const char	*ex_dcmd;
75 	const char	*ex_name;
76 } smb_exp_t;
77 
78 /*
79  * List of supported options. Ther order has the match the bits SMB_OPT_xxx.
80  */
81 static const char *smb_opts[SMB_MDB_MAX_OPTS] =
82 {
83 	"-s", "-m", "-e", "-r", "-u", "-t", "-f", "-d", "-w", "-v"
84 };
85 
86 static smb_com_entry_t	smb_com[256] =
87 {
88 	SMB_COM_ENTRY(SMB_COM_CREATE_DIRECTORY, "No"),
89 	SMB_COM_ENTRY(SMB_COM_DELETE_DIRECTORY, "No"),
90 	SMB_COM_ENTRY(SMB_COM_OPEN, "No"),
91 	SMB_COM_ENTRY(SMB_COM_CREATE, "No"),
92 	SMB_COM_ENTRY(SMB_COM_CLOSE, "No"),
93 	SMB_COM_ENTRY(SMB_COM_FLUSH, "No"),
94 	SMB_COM_ENTRY(SMB_COM_DELETE, "No"),
95 	SMB_COM_ENTRY(SMB_COM_RENAME, "No"),
96 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION, "No"),
97 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION, "No"),
98 	SMB_COM_ENTRY(SMB_COM_READ, "No"),
99 	SMB_COM_ENTRY(SMB_COM_WRITE, "No"),
100 	SMB_COM_ENTRY(SMB_COM_LOCK_BYTE_RANGE, "No"),
101 	SMB_COM_ENTRY(SMB_COM_UNLOCK_BYTE_RANGE, "No"),
102 	SMB_COM_ENTRY(SMB_COM_CREATE_TEMPORARY, "No"),
103 	SMB_COM_ENTRY(SMB_COM_CREATE_NEW, "No"),
104 	SMB_COM_ENTRY(SMB_COM_CHECK_DIRECTORY, "No"),
105 	SMB_COM_ENTRY(SMB_COM_PROCESS_EXIT, "No"),
106 	SMB_COM_ENTRY(SMB_COM_SEEK, "No"),
107 	SMB_COM_ENTRY(SMB_COM_LOCK_AND_READ, "No"),
108 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_UNLOCK, "No"),
109 	SMB_COM_ENTRY(0x15, "?"),
110 	SMB_COM_ENTRY(0x16, "?"),
111 	SMB_COM_ENTRY(0x17, "?"),
112 	SMB_COM_ENTRY(0x18, "?"),
113 	SMB_COM_ENTRY(0x19, "?"),
114 	SMB_COM_ENTRY(SMB_COM_READ_RAW, "No"),
115 	SMB_COM_ENTRY(SMB_COM_READ_MPX, "No"),
116 	SMB_COM_ENTRY(SMB_COM_READ_MPX_SECONDARY, "No"),
117 	SMB_COM_ENTRY(SMB_COM_WRITE_RAW, "No"),
118 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX, "No"),
119 	SMB_COM_ENTRY(SMB_COM_WRITE_MPX_SECONDARY, "No"),
120 	SMB_COM_ENTRY(SMB_COM_WRITE_COMPLETE, "No"),
121 	SMB_COM_ENTRY(SMB_COM_QUERY_SERVER, "No"),
122 	SMB_COM_ENTRY(SMB_COM_SET_INFORMATION2, "No"),
123 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION2, "No"),
124 	SMB_COM_ENTRY(SMB_COM_LOCKING_ANDX, "No"),
125 	SMB_COM_ENTRY(SMB_COM_TRANSACTION, "No"),
126 	SMB_COM_ENTRY(SMB_COM_TRANSACTION_SECONDARY, "No"),
127 	SMB_COM_ENTRY(SMB_COM_IOCTL, "No"),
128 	SMB_COM_ENTRY(SMB_COM_IOCTL_SECONDARY, "No"),
129 	SMB_COM_ENTRY(SMB_COM_COPY, "No"),
130 	SMB_COM_ENTRY(SMB_COM_MOVE, "No"),
131 	SMB_COM_ENTRY(SMB_COM_ECHO, "No"),
132 	SMB_COM_ENTRY(SMB_COM_WRITE_AND_CLOSE, "No"),
133 	SMB_COM_ENTRY(SMB_COM_OPEN_ANDX, "No"),
134 	SMB_COM_ENTRY(SMB_COM_READ_ANDX, "No"),
135 	SMB_COM_ENTRY(SMB_COM_WRITE_ANDX, "No"),
136 	SMB_COM_ENTRY(SMB_COM_NEW_FILE_SIZE, "No"),
137 	SMB_COM_ENTRY(SMB_COM_CLOSE_AND_TREE_DISC, "No"),
138 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2, "No"),
139 	SMB_COM_ENTRY(SMB_COM_TRANSACTION2_SECONDARY, "No"),
140 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE2, "No"),
141 	SMB_COM_ENTRY(SMB_COM_FIND_NOTIFY_CLOSE, "No"),
142 	SMB_COM_ENTRY(0x36, "?"),
143 	SMB_COM_ENTRY(0x37, "?"),
144 	SMB_COM_ENTRY(0x38, "?"),
145 	SMB_COM_ENTRY(0x39, "?"),
146 	SMB_COM_ENTRY(0x3A, "?"),
147 	SMB_COM_ENTRY(0x3B, "?"),
148 	SMB_COM_ENTRY(0x3C, "?"),
149 	SMB_COM_ENTRY(0x3D, "?"),
150 	SMB_COM_ENTRY(0x3E, "?"),
151 	SMB_COM_ENTRY(0x3F, "?"),
152 	SMB_COM_ENTRY(0x40, "?"),
153 	SMB_COM_ENTRY(0x41, "?"),
154 	SMB_COM_ENTRY(0x42, "?"),
155 	SMB_COM_ENTRY(0x43, "?"),
156 	SMB_COM_ENTRY(0x44, "?"),
157 	SMB_COM_ENTRY(0x45, "?"),
158 	SMB_COM_ENTRY(0x46, "?"),
159 	SMB_COM_ENTRY(0x47, "?"),
160 	SMB_COM_ENTRY(0x48, "?"),
161 	SMB_COM_ENTRY(0x49, "?"),
162 	SMB_COM_ENTRY(0x4A, "?"),
163 	SMB_COM_ENTRY(0x4B, "?"),
164 	SMB_COM_ENTRY(0x4C, "?"),
165 	SMB_COM_ENTRY(0x4D, "?"),
166 	SMB_COM_ENTRY(0x4E, "?"),
167 	SMB_COM_ENTRY(0x4F, "?"),
168 	SMB_COM_ENTRY(0x50, "?"),
169 	SMB_COM_ENTRY(0x51, "?"),
170 	SMB_COM_ENTRY(0x52, "?"),
171 	SMB_COM_ENTRY(0x53, "?"),
172 	SMB_COM_ENTRY(0x54, "?"),
173 	SMB_COM_ENTRY(0x55, "?"),
174 	SMB_COM_ENTRY(0x56, "?"),
175 	SMB_COM_ENTRY(0x57, "?"),
176 	SMB_COM_ENTRY(0x58, "?"),
177 	SMB_COM_ENTRY(0x59, "?"),
178 	SMB_COM_ENTRY(0x5A, "?"),
179 	SMB_COM_ENTRY(0x5B, "?"),
180 	SMB_COM_ENTRY(0x5C, "?"),
181 	SMB_COM_ENTRY(0x5D, "?"),
182 	SMB_COM_ENTRY(0x5E, "?"),
183 	SMB_COM_ENTRY(0x5F, "?"),
184 	SMB_COM_ENTRY(0x60, "?"),
185 	SMB_COM_ENTRY(0x61, "?"),
186 	SMB_COM_ENTRY(0x62, "?"),
187 	SMB_COM_ENTRY(0x63, "?"),
188 	SMB_COM_ENTRY(0x64, "?"),
189 	SMB_COM_ENTRY(0x65, "?"),
190 	SMB_COM_ENTRY(0x66, "?"),
191 	SMB_COM_ENTRY(0x67, "?"),
192 	SMB_COM_ENTRY(0x68, "?"),
193 	SMB_COM_ENTRY(0x69, "?"),
194 	SMB_COM_ENTRY(0x6A, "?"),
195 	SMB_COM_ENTRY(0x6B, "?"),
196 	SMB_COM_ENTRY(0x6C, "?"),
197 	SMB_COM_ENTRY(0x6D, "?"),
198 	SMB_COM_ENTRY(0x6E, "?"),
199 	SMB_COM_ENTRY(0x6F, "?"),
200 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT, "No"),
201 	SMB_COM_ENTRY(SMB_COM_TREE_DISCONNECT, "No"),
202 	SMB_COM_ENTRY(SMB_COM_NEGOTIATE, "No"),
203 	SMB_COM_ENTRY(SMB_COM_SESSION_SETUP_ANDX, "No"),
204 	SMB_COM_ENTRY(SMB_COM_LOGOFF_ANDX, "No"),
205 	SMB_COM_ENTRY(SMB_COM_TREE_CONNECT_ANDX, "No"),
206 	SMB_COM_ENTRY(0x76, "?"),
207 	SMB_COM_ENTRY(0x77, "?"),
208 	SMB_COM_ENTRY(0x78, "?"),
209 	SMB_COM_ENTRY(0x79, "?"),
210 	SMB_COM_ENTRY(0x7A, "?"),
211 	SMB_COM_ENTRY(0x7B, "?"),
212 	SMB_COM_ENTRY(0x7C, "?"),
213 	SMB_COM_ENTRY(0x7D, "?"),
214 	SMB_COM_ENTRY(0x7E, "?"),
215 	SMB_COM_ENTRY(0x7F, "?"),
216 	SMB_COM_ENTRY(SMB_COM_QUERY_INFORMATION_DISK, "No"),
217 	SMB_COM_ENTRY(SMB_COM_SEARCH, "No"),
218 	SMB_COM_ENTRY(SMB_COM_FIND, "No"),
219 	SMB_COM_ENTRY(SMB_COM_FIND_UNIQUE, "No"),
220 	SMB_COM_ENTRY(SMB_COM_FIND_CLOSE, "No"),
221 	SMB_COM_ENTRY(0x85, "?"),
222 	SMB_COM_ENTRY(0x86, "?"),
223 	SMB_COM_ENTRY(0x87, "?"),
224 	SMB_COM_ENTRY(0x88, "?"),
225 	SMB_COM_ENTRY(0x89, "?"),
226 	SMB_COM_ENTRY(0x8A, "?"),
227 	SMB_COM_ENTRY(0x8B, "?"),
228 	SMB_COM_ENTRY(0x8C, "?"),
229 	SMB_COM_ENTRY(0x8D, "?"),
230 	SMB_COM_ENTRY(0x8E, "?"),
231 	SMB_COM_ENTRY(0x8F, "?"),
232 	SMB_COM_ENTRY(0x90, "?"),
233 	SMB_COM_ENTRY(0x91, "?"),
234 	SMB_COM_ENTRY(0x92, "?"),
235 	SMB_COM_ENTRY(0x93, "?"),
236 	SMB_COM_ENTRY(0x94, "?"),
237 	SMB_COM_ENTRY(0x95, "?"),
238 	SMB_COM_ENTRY(0x96, "?"),
239 	SMB_COM_ENTRY(0x97, "?"),
240 	SMB_COM_ENTRY(0x98, "?"),
241 	SMB_COM_ENTRY(0x99, "?"),
242 	SMB_COM_ENTRY(0x9A, "?"),
243 	SMB_COM_ENTRY(0x9B, "?"),
244 	SMB_COM_ENTRY(0x9C, "?"),
245 	SMB_COM_ENTRY(0x9D, "?"),
246 	SMB_COM_ENTRY(0x9E, "?"),
247 	SMB_COM_ENTRY(0x9F, "?"),
248 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT, "No"),
249 	SMB_COM_ENTRY(SMB_COM_NT_TRANSACT_SECONDARY, "No"),
250 	SMB_COM_ENTRY(SMB_COM_NT_CREATE_ANDX, "No"),
251 	SMB_COM_ENTRY(0xA3, "?"),
252 	SMB_COM_ENTRY(SMB_COM_NT_CANCEL, "No"),
253 	SMB_COM_ENTRY(SMB_COM_NT_RENAME, "No"),
254 	SMB_COM_ENTRY(0xA6, "?"),
255 	SMB_COM_ENTRY(0xA7, "?"),
256 	SMB_COM_ENTRY(0xA8, "?"),
257 	SMB_COM_ENTRY(0xA9, "?"),
258 	SMB_COM_ENTRY(0xAA, "?"),
259 	SMB_COM_ENTRY(0xAB, "?"),
260 	SMB_COM_ENTRY(0xAC, "?"),
261 	SMB_COM_ENTRY(0xAD, "?"),
262 	SMB_COM_ENTRY(0xAE, "?"),
263 	SMB_COM_ENTRY(0xAF, "?"),
264 	SMB_COM_ENTRY(0xB0, "?"),
265 	SMB_COM_ENTRY(0xB1, "?"),
266 	SMB_COM_ENTRY(0xB2, "?"),
267 	SMB_COM_ENTRY(0xB3, "?"),
268 	SMB_COM_ENTRY(0xB4, "?"),
269 	SMB_COM_ENTRY(0xB5, "?"),
270 	SMB_COM_ENTRY(0xB6, "?"),
271 	SMB_COM_ENTRY(0xB7, "?"),
272 	SMB_COM_ENTRY(0xB8, "?"),
273 	SMB_COM_ENTRY(0xB9, "?"),
274 	SMB_COM_ENTRY(0xBA, "?"),
275 	SMB_COM_ENTRY(0xBB, "?"),
276 	SMB_COM_ENTRY(0xBC, "?"),
277 	SMB_COM_ENTRY(0xBD, "?"),
278 	SMB_COM_ENTRY(0xBE, "?"),
279 	SMB_COM_ENTRY(0xBF, "?"),
280 	SMB_COM_ENTRY(SMB_COM_OPEN_PRINT_FILE, "No"),
281 	SMB_COM_ENTRY(SMB_COM_WRITE_PRINT_FILE, "No"),
282 	SMB_COM_ENTRY(SMB_COM_CLOSE_PRINT_FILE, "No"),
283 	SMB_COM_ENTRY(SMB_COM_GET_PRINT_QUEUE, "No"),
284 	SMB_COM_ENTRY(0xC4, "?"),
285 	SMB_COM_ENTRY(0xC5, "?"),
286 	SMB_COM_ENTRY(0xC6, "?"),
287 	SMB_COM_ENTRY(0xC7, "?"),
288 	SMB_COM_ENTRY(0xC8, "?"),
289 	SMB_COM_ENTRY(0xC9, "?"),
290 	SMB_COM_ENTRY(0xCA, "?"),
291 	SMB_COM_ENTRY(0xCB, "?"),
292 	SMB_COM_ENTRY(0xCC, "?"),
293 	SMB_COM_ENTRY(0xCD, "?"),
294 	SMB_COM_ENTRY(0xCE, "?"),
295 	SMB_COM_ENTRY(0xCF, "?"),
296 	SMB_COM_ENTRY(0xD0, "?"),
297 	SMB_COM_ENTRY(0xD1, "?"),
298 	SMB_COM_ENTRY(0xD2, "?"),
299 	SMB_COM_ENTRY(0xD3, "?"),
300 	SMB_COM_ENTRY(0xD4, "?"),
301 	SMB_COM_ENTRY(0xD5, "?"),
302 	SMB_COM_ENTRY(0xD6, "?"),
303 	SMB_COM_ENTRY(0xD7, "?"),
304 	SMB_COM_ENTRY(SMB_COM_READ_BULK, "No"),
305 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK, "No"),
306 	SMB_COM_ENTRY(SMB_COM_WRITE_BULK_DATA, "No"),
307 	SMB_COM_ENTRY(0xDB, "?"),
308 	SMB_COM_ENTRY(0xDC, "?"),
309 	SMB_COM_ENTRY(0xDD, "?"),
310 	SMB_COM_ENTRY(0xDE, "?"),
311 	SMB_COM_ENTRY(0xDF, "?"),
312 	SMB_COM_ENTRY(0xE0, "?"),
313 	SMB_COM_ENTRY(0xE1, "?"),
314 	SMB_COM_ENTRY(0xE2, "?"),
315 	SMB_COM_ENTRY(0xE3, "?"),
316 	SMB_COM_ENTRY(0xE4, "?"),
317 	SMB_COM_ENTRY(0xE5, "?"),
318 	SMB_COM_ENTRY(0xE6, "?"),
319 	SMB_COM_ENTRY(0xE7, "?"),
320 	SMB_COM_ENTRY(0xE8, "?"),
321 	SMB_COM_ENTRY(0xE9, "?"),
322 	SMB_COM_ENTRY(0xEA, "?"),
323 	SMB_COM_ENTRY(0xEB, "?"),
324 	SMB_COM_ENTRY(0xEC, "?"),
325 	SMB_COM_ENTRY(0xED, "?"),
326 	SMB_COM_ENTRY(0xEE, "?"),
327 	SMB_COM_ENTRY(0xEF, "?"),
328 	SMB_COM_ENTRY(0xF0, "?"),
329 	SMB_COM_ENTRY(0xF1, "?"),
330 	SMB_COM_ENTRY(0xF2, "?"),
331 	SMB_COM_ENTRY(0xF3, "?"),
332 	SMB_COM_ENTRY(0xF4, "?"),
333 	SMB_COM_ENTRY(0xF5, "?"),
334 	SMB_COM_ENTRY(0xF6, "?"),
335 	SMB_COM_ENTRY(0xF7, "?"),
336 	SMB_COM_ENTRY(0xF8, "?"),
337 	SMB_COM_ENTRY(0xF9, "?"),
338 	SMB_COM_ENTRY(0xFA, "?"),
339 	SMB_COM_ENTRY(0xFB, "?"),
340 	SMB_COM_ENTRY(0xFC, "?"),
341 	SMB_COM_ENTRY(0xFD, "?"),
342 	SMB_COM_ENTRY(0xFE, "?"),
343 	SMB_COM_ENTRY(0xFF, "?")
344 };
345 
346 static int smb_dcmd_list(uintptr_t, uint_t, int, const mdb_arg_t *);
347 static void smb_dcmd_list_help(void);
348 static int smb_dcmd_server(uintptr_t, uint_t, int, const mdb_arg_t *);
349 static int smb_dcmd_vfs(uintptr_t, uint_t, int, const mdb_arg_t *);
350 static void smb_dcmd_session_help(void);
351 static int smb_dcmd_session(uintptr_t, uint_t, int, const mdb_arg_t *);
352 static int smb_dcmd_request(uintptr_t, uint_t, int, const mdb_arg_t *);
353 static void smb_dcmd_user_help(void);
354 static int smb_dcmd_user(uintptr_t, uint_t, int, const mdb_arg_t *);
355 static void smb_dcmd_tree_help(void);
356 static int smb_dcmd_tree(uintptr_t, uint_t, int, const mdb_arg_t *);
357 static int smb_dcmd_odir(uintptr_t, uint_t, int, const mdb_arg_t *);
358 static int smb_dcmd_ofile(uintptr_t, uint_t, int, const mdb_arg_t *);
359 static void smb_node_help(void);
360 static int smb_node(uintptr_t, uint_t, int, const mdb_arg_t *);
361 static int smb_node_walk_init(mdb_walk_state_t *);
362 static int smb_node_walk_step(mdb_walk_state_t *);
363 static int smb_lock(uintptr_t, uint_t, int, const mdb_arg_t *);
364 static int smb_stats(uintptr_t, uint_t, int, const mdb_arg_t *);
365 static int smb_ace(uintptr_t, uint_t, int, const mdb_arg_t *);
366 static int smb_ace_walk_init(mdb_walk_state_t *);
367 static int smb_ace_walk_step(mdb_walk_state_t *);
368 static int smb_acl(uintptr_t, uint_t, int, const mdb_arg_t *);
369 static int smb_sd(uintptr_t, uint_t, int, const mdb_arg_t *);
370 static int smb_sid(uintptr_t, uint_t, int, const mdb_arg_t *);
371 static int smb_sid_print(uintptr_t);
372 static int smb_fssd(uintptr_t, uint_t, int, const mdb_arg_t *);
373 static int smb_dcmd_getopt(uint_t *, int, const mdb_arg_t *);
374 static int smb_dcmd_setopt(uint_t, int, mdb_arg_t *);
375 static int smb_obj_expand(uintptr_t, uint_t, const smb_exp_t *, ulong_t);
376 static int smb_obj_list(const char *, uint_t, uint_t);
377 static int smb_worker_findstack(uintptr_t);
378 
379 /*
380  * MDB module linkage information:
381  *
382  * We declare a list of structures describing our dcmds, a list of structures
383  * describing our walkers and a function named _mdb_init to return a pointer
384  * to our module information.
385  */
386 static const mdb_dcmd_t dcmds[] = {
387 	{   "smblist",
388 	    "[-seutfdwv]",
389 	    "print tree of SMB objects",
390 	    smb_dcmd_list,
391 	    smb_dcmd_list_help },
392 	{   "smbsrv",
393 	    "[-seutfdwv]",
394 	    "print smb_server information",
395 	    smb_dcmd_server },
396 	{   "smbvfs",
397 	    "[-v]",
398 	    "print smb_vfs information",
399 	    smb_dcmd_vfs },
400 	{   "smbnode",
401 	    "?[-vps]",
402 	    "print smb_node_t information",
403 	    smb_node,
404 	    smb_node_help },
405 	{   "smbsess",
406 	    "[-utfdwv]",
407 	    "print smb_session_t information",
408 	    smb_dcmd_session,
409 	    smb_dcmd_session_help},
410 	{   "smbreq",
411 	    ":[-v]",
412 	    "print smb_request_t information",
413 	    smb_dcmd_request },
414 	{   "smblock", ":[-v]",
415 	    "print smb_lock_t information", smb_lock },
416 	{   "smbuser",
417 	    ":[-vdftq]",
418 	    "print smb_user_t information",
419 	    smb_dcmd_user,
420 	    smb_dcmd_user_help },
421 	{   "smbtree",
422 	    ":[-vdf]",
423 	    "print smb_tree_t information",
424 	    smb_dcmd_tree,
425 	    smb_dcmd_tree_help },
426 	{   "smbodir",
427 	    ":[-v]",
428 	    "print smb_odir_t information",
429 	    smb_dcmd_odir },
430 	{   "smbofile",
431 	    "[-v]",
432 	    "print smb_odir_t information",
433 	    smb_dcmd_ofile },
434 	{   "smbstats", NULL,
435 	    "print all smb dispatched requests statistics", smb_stats },
436 	{   "smbace", "[-v]",
437 	    "print smb_ace_t information", smb_ace },
438 	{   "smbacl", "[-v]",
439 	    "print smb_acl_t information", smb_acl },
440 	{   "smbsid", "[-v]",
441 	    "print smb_sid_t information", smb_sid },
442 	{   "smbsd", "[-v]",
443 	    "print smb_sd_t information", smb_sd },
444 	{   "smbfssd", "[-v]",
445 	    "print smb_fssd_t information", smb_fssd },
446 	{ NULL }
447 };
448 
449 static const mdb_walker_t walkers[] = {
450 	{   "smbnode_walker",
451 	    "walk list of smb_node_t structures",
452 	    smb_node_walk_init,
453 	    smb_node_walk_step,
454 	    NULL,
455 	    NULL },
456 	{   "smbace_walker",
457 	    "walk list of smb_ace_t structures",
458 	    smb_ace_walk_init,
459 	    smb_ace_walk_step,
460 	    NULL,
461 	    NULL },
462 	{ NULL }
463 };
464 
465 static const mdb_modinfo_t modinfo = {
466 	MDB_API_VERSION, dcmds, walkers
467 };
468 
469 const mdb_modinfo_t *
470 _mdb_init(void)
471 {
472 	return (&modinfo);
473 }
474 
475 /*
476  * *****************************************************************************
477  * ****************************** Top level DCMD *******************************
478  * *****************************************************************************
479  */
480 
481 static void
482 smb_dcmd_list_help(void)
483 {
484 	mdb_printf(
485 	    "Displays the list of objects using an indented tree format.\n"
486 	    "If no option is specified the entire tree is displayed\n\n");
487 	(void) mdb_dec_indent(2);
488 	mdb_printf("%<b>OPTIONS%</b>\n");
489 	(void) mdb_inc_indent(2);
490 	mdb_printf(
491 	    "-v\tDisplay verbose information\n"
492 	    "-s\tDisplay the list of servers\n"
493 	    "-m\tDisplay the list of shared file systems\n"
494 	    "-e\tDisplay the list of sessions\n"
495 	    "-r\tDisplay the list of smb requests\n"
496 	    "-u\tDisplay the list of users\n"
497 	    "-t\tDisplay the list of trees\n"
498 	    "-f\tDisplay the list of open files\n"
499 	    "-d\tDisplay the list of open searches\n");
500 }
501 
502 /*
503  * ::smblist
504  *
505  * This function lists the objects specified on the command line. If no object
506  * is specified the entire tree (server through ofile and odir) is displayed.
507  *
508  */
509 /*ARGSUSED*/
510 static int
511 smb_dcmd_list(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
512 {
513 	GElf_Sym	sym;
514 	uint_t		opts = 0;
515 	int		new_argc;
516 	mdb_arg_t	new_argv[SMB_MDB_MAX_OPTS];
517 
518 	if (smb_dcmd_getopt(&opts, argc, argv))
519 		return (DCMD_USAGE);
520 
521 	if (!(opts & ~(SMB_OPT_WALK | SMB_OPT_VERBOSE)))
522 		opts |= SMB_OPT_ALL_OBJ;
523 
524 	opts |= SMB_OPT_WALK;
525 
526 	new_argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, new_argv);
527 
528 	if (mdb_lookup_by_name("smb_servers", &sym) == -1) {
529 		mdb_warn("failed to find symbol smb_servers");
530 		return (DCMD_ERR);
531 	}
532 
533 	addr = (uintptr_t)sym.st_value + offsetof(smb_llist_t, ll_list);
534 
535 	if (mdb_pwalk_dcmd("list", "smbsrv", new_argc, new_argv, addr))
536 		return (DCMD_ERR);
537 	return (DCMD_OK);
538 }
539 
540 /*
541  * *****************************************************************************
542  * ***************************** smb_server_t **********************************
543  * *****************************************************************************
544  */
545 
546 static const char *smb_server_state[SMB_SERVER_STATE_SENTINEL] =
547 {
548 	"CREATED",
549 	"CONFIGURED",
550 	"RUNNING",
551 	"STOPPING",
552 	"DELETING"
553 };
554 
555 /*
556  * List of objects that can be expanded under a server structure.
557  */
558 static const smb_exp_t smb_server_exp[] =
559 {
560 	{ SMB_OPT_ALL_OBJ,
561 	    offsetof(smb_server_t, sv_nbt_daemon.ld_session_list.se_rdy.lst),
562 	    "smbsess", "smb_session"},
563 	{ SMB_OPT_ALL_OBJ,
564 	    offsetof(smb_server_t, sv_nbt_daemon.ld_session_list.se_act.lst),
565 	    "smbsess", "smb_session"},
566 	{ SMB_OPT_ALL_OBJ,
567 	    offsetof(smb_server_t, sv_tcp_daemon.ld_session_list.se_rdy.lst),
568 	    "smbsess", "smb_session"},
569 	{ SMB_OPT_ALL_OBJ,
570 	    offsetof(smb_server_t, sv_tcp_daemon.ld_session_list.se_act.lst),
571 	    "smbsess", "smb_session"},
572 	{ SMB_OPT_ALL_OBJ,
573 	    offsetof(smb_server_t, sv_vfs_list.ll_list),
574 	    "smbvfs", "smb_vfs"},
575 	{ 0, 0, NULL, NULL }
576 };
577 
578 /*
579  * ::smbsrv
580  *
581  * smbsrv dcmd - Print out smb_server structures.
582  */
583 /*ARGSUSED*/
584 static int
585 smb_dcmd_server(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
586 {
587 	uint_t		opts;
588 	ulong_t		indent = 0;
589 
590 	if (smb_dcmd_getopt(&opts, argc, argv))
591 		return (DCMD_USAGE);
592 
593 	if (!(flags & DCMD_ADDRSPEC))
594 		return (smb_obj_list("smb_server", opts | SMB_OPT_SERVER,
595 		    flags));
596 
597 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SERVER)) ||
598 	    !(opts & SMB_OPT_WALK)) {
599 		smb_server_t	*sv;
600 		const char	*state;
601 
602 		sv = mdb_alloc(sizeof (smb_server_t), UM_SLEEP | UM_GC);
603 		if (mdb_vread(sv, sizeof (smb_server_t), addr) == -1) {
604 			mdb_warn("failed to read smb_server at %p", addr);
605 			return (DCMD_ERR);
606 		}
607 
608 		indent = SMB_DCMD_INDENT;
609 
610 		if (opts & SMB_OPT_VERBOSE) {
611 			mdb_arg_t	argv;
612 
613 			argv.a_type = MDB_TYPE_STRING;
614 			argv.a_un.a_str = "smb_server_t";
615 			if (mdb_call_dcmd("print", addr, flags, 1, &argv))
616 				return (DCMD_ERR);
617 		} else {
618 			if (DCMD_HDRSPEC(flags))
619 				mdb_printf(
620 				    "%<b>%<u>%-?s% "
621 				    "%-4s% "
622 				    "%-32s% "
623 				    "%-6s% "
624 				    "%-6s% "
625 				    "%-6s%</u>%</b>\n",
626 				    "SERVER", "ZONE", "STATE", "USERS",
627 				    "TREES", "FILES");
628 
629 			if (sv->sv_state >= SMB_SERVER_STATE_SENTINEL)
630 				state = "UNKNOWN";
631 			else
632 				state = smb_server_state[sv->sv_state];
633 
634 			mdb_printf("%-?p %-4d %-32s %-6d %-6d %-6d \n",
635 			    addr, sv->sv_zid, state, sv->sv_open_users,
636 			    sv->sv_open_trees, sv->sv_open_files);
637 		}
638 	}
639 	if (smb_obj_expand(addr, opts, smb_server_exp, indent))
640 		return (DCMD_ERR);
641 	return (DCMD_OK);
642 }
643 
644 /*
645  * *****************************************************************************
646  * ******************************** smb_vfs_t **********************************
647  * *****************************************************************************
648  */
649 
650 /*
651  * ::smbvfs
652  *
653  * smbvfs dcmd - Prints out smb_vfs structures.
654  */
655 /*ARGSUSED*/
656 static int
657 smb_dcmd_vfs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
658 {
659 
660 	uint_t		opts;
661 
662 	if (smb_dcmd_getopt(&opts, argc, argv))
663 		return (DCMD_USAGE);
664 
665 	if (!(flags & DCMD_ADDRSPEC)) {
666 		return (smb_obj_list("smb_vfs", SMB_OPT_VFS, flags));
667 	}
668 
669 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_VFS)) ||
670 	    !(opts & SMB_OPT_WALK)) {
671 		smb_vfs_t	*sf;
672 		vnode_t		*vn;
673 		char		*path;
674 
675 		sf = mdb_alloc(sizeof (*sf), UM_SLEEP | UM_GC);
676 		if (mdb_vread(sf, sizeof (*sf), addr) == -1) {
677 			mdb_warn("failed to read smb_vfs at %p", addr);
678 			return (DCMD_ERR);
679 		}
680 		vn = mdb_alloc(sizeof (*vn), UM_SLEEP | UM_GC);
681 		if (mdb_vread(vn, sizeof (*vn),
682 		    (uintptr_t)sf->sv_rootvp) == -1) {
683 			mdb_warn("failed to read vnode at %p", sf->sv_rootvp);
684 			return (DCMD_ERR);
685 		}
686 		path = mdb_zalloc(MAXPATHLEN, UM_SLEEP | UM_GC);
687 		(void) mdb_vread(path, MAXPATHLEN, (uintptr_t)vn->v_path);
688 
689 		if (DCMD_HDRSPEC(flags))
690 			mdb_printf(
691 			    "%<b>%<u>"
692 			    "%-?s "
693 			    "%-10s "
694 			    "%-16s "
695 			    "%-16s"
696 			    "%-s"
697 			    "%</u>%</b>\n",
698 			    "SMB_VFS", "REFCNT", "VFS", "VNODE", "ROOT");
699 		mdb_printf(
700 		    "%-?p %-10d %-?p %-?p %-s\n", addr, sf->sv_refcnt,
701 		    sf->sv_vfsp, sf->sv_rootvp, path);
702 	}
703 	return (DCMD_OK);
704 }
705 
706 /*
707  * *****************************************************************************
708  * ***************************** smb_session_t *********************************
709  * *****************************************************************************
710  */
711 
712 static const char *smb_session_state[SMB_SESSION_STATE_SENTINEL] =
713 {
714 	"INITIALIZED",
715 	"DISCONNECTED",
716 	"CONNECTED",
717 	"ESTABLISHED",
718 	"NEGOTIATED",
719 	"OPLOCK_BREAKING",
720 	"WRITE_RAW_ACTIVE",
721 	"READ_RAW_ACTIVE",
722 	"TERMINATED"
723 };
724 
725 /*
726  * List of objects that can be expanded under a session structure.
727  */
728 static const smb_exp_t smb_session_exp[] =
729 {
730 	{ SMB_OPT_REQUEST,
731 	    offsetof(smb_session_t, s_req_list.sl_list),
732 	    "smbreq", "smb_request"},
733 	{ SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR,
734 	    offsetof(smb_session_t, s_user_list.ll_list),
735 	    "smbuser", "smb_user"},
736 	{ 0, 0, NULL, NULL}
737 };
738 
739 static void
740 smb_dcmd_session_help(void)
741 {
742 	mdb_printf(
743 	    "Display the contents of smb_session_t, with optional"
744 	    " filtering.\n\n");
745 	(void) mdb_dec_indent(2);
746 	mdb_printf("%<b>OPTIONS%</b>\n");
747 	(void) mdb_inc_indent(2);
748 	mdb_printf(
749 	    "-v\tDisplay verbose smb_session information\n"
750 	    "-r\tDisplay the list of smb requests attached\n"
751 	    "-u\tDisplay the list of users attached\n");
752 }
753 
754 /*
755  * ::smbsess
756  *
757  * smbsess dcmd - Print out the smb_session structure.
758  */
759 /*ARGSUSED*/
760 static int
761 smb_dcmd_session(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
762 {
763 	uint_t		opts;
764 	ulong_t		indent = 0;
765 
766 	if (smb_dcmd_getopt(&opts, argc, argv))
767 		return (DCMD_USAGE);
768 
769 	if (!(flags & DCMD_ADDRSPEC)) {
770 		opts |= SMB_OPT_SESSION;
771 		opts &= ~SMB_OPT_SERVER;
772 		return (smb_obj_list("smb_session", opts, flags));
773 	}
774 
775 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_SESSION)) ||
776 	    !(opts & SMB_OPT_WALK)) {
777 		smb_session_t	*se;
778 		const char	*state;
779 
780 		indent = SMB_DCMD_INDENT;
781 
782 		se = mdb_alloc(sizeof (*se), UM_SLEEP | UM_GC);
783 		if (mdb_vread(se, sizeof (*se), addr) == -1) {
784 			mdb_warn("failed to read smb_session at %p", addr);
785 			return (DCMD_ERR);
786 		}
787 
788 		if (se->s_state >= SMB_SESSION_STATE_SENTINEL)
789 			state = "INVALID";
790 		else
791 			state = smb_session_state[se->s_state];
792 
793 		if (opts & SMB_OPT_VERBOSE) {
794 			mdb_printf("%<b>%<u>SMB session information "
795 			    "(%p): %</u>%</b>\n", addr);
796 			mdb_printf("Client IP address: %I\n", se->ipaddr);
797 			mdb_printf("Local IP Address: %I\n", se->local_ipaddr);
798 			mdb_printf("Session KID: %u\n", se->s_kid);
799 			mdb_printf("Workstation Name: %s\n",
800 			    se->workstation);
801 			mdb_printf("Session state: %u (%s)\n", se->s_state,
802 			    state);
803 			mdb_printf("Number of Users: %u\n",
804 			    se->s_user_list.ll_count);
805 			mdb_printf("Number of Trees: %u\n", se->s_tree_cnt);
806 			mdb_printf("Number of Files: %u\n", se->s_file_cnt);
807 			mdb_printf("Number of Shares: %u\n", se->s_dir_cnt);
808 			mdb_printf("Number of active Transact.: %u\n\n",
809 			    se->s_xa_list.ll_count);
810 		} else {
811 			if (DCMD_HDRSPEC(flags))
812 				mdb_printf(
813 				    "%<b>%<u>%-?s "
814 				    "%-16s "
815 				    "%-16s%</u>%</b>\n",
816 				    "SESSION", "CLIENT_IP_ADDR",
817 				    "LOCAL_IP_ADDR");
818 
819 			mdb_printf(
820 			    "%-?p %-16I %-16I\n", addr, se->ipaddr.a_ipv4,
821 			    se->local_ipaddr.a_ipv4);
822 		}
823 	}
824 	if (smb_obj_expand(addr, opts, smb_session_exp, indent))
825 		return (DCMD_ERR);
826 	return (DCMD_OK);
827 }
828 
829 /*
830  * *****************************************************************************
831  * **************************** smb_request_t **********************************
832  * *****************************************************************************
833  */
834 
835 static const char *smb_request_state[SMB_REQ_STATE_SENTINEL] =
836 {
837 	"FREE",
838 	"INITIALIZING",
839 	"SUBMITTED",
840 	"ACTIVE",
841 	"WAITING_EVENT",
842 	"EVENT_OCCURRED",
843 	"WAITING_LOCK",
844 	"COMPLETED",
845 	"CANCELED",
846 	"CLEANED_UP"
847 };
848 
849 static int
850 smb_dcmd_request(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
851 {
852 	uint_t		opts;
853 
854 	if (smb_dcmd_getopt(&opts, argc, argv))
855 		return (DCMD_USAGE);
856 
857 	if (!(flags & DCMD_ADDRSPEC)) {
858 		opts |= SMB_OPT_REQUEST;
859 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_USER);
860 		return (smb_obj_list("smb_request", opts, flags));
861 	}
862 
863 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_REQUEST)) ||
864 	    !(opts & SMB_OPT_WALK)) {
865 		smb_request_t	*sr;
866 		const char	*state;
867 
868 		sr = mdb_alloc(sizeof (*sr), UM_SLEEP | UM_GC);
869 		if (mdb_vread(sr, sizeof (*sr), addr) == -1) {
870 			mdb_warn("failed to read smb_request at %p", addr);
871 			return (DCMD_ERR);
872 		}
873 
874 		if (sr->sr_state >= SMB_REQ_STATE_SENTINEL)
875 			state = "INVALID";
876 		else
877 			state = smb_request_state[sr->sr_state];
878 
879 		if (opts & SMB_OPT_VERBOSE) {
880 			mdb_printf(
881 			    "%</b>%</u>SMB request information (%p):"
882 			    "%</u>%</b>\n\n", addr);
883 			mdb_printf("First SMB COM: %u (%s)\n",
884 			    sr->first_smb_com,
885 			    smb_com[sr->first_smb_com]);
886 			mdb_printf("State: %u (%s)\n", sr->sr_state, state);
887 			mdb_printf("Tree: %u (%p)\n", sr->smb_tid,
888 			    sr->tid_tree);
889 			mdb_printf("User: %u (%p)\n", sr->smb_uid,
890 			    sr->uid_user);
891 			mdb_printf("File: %u (%p)\n",
892 			    sr->smb_fid, sr->fid_ofile);
893 			mdb_printf("PID: %u\n", sr->smb_pid);
894 			mdb_printf("MID: %u\n\n", sr->smb_mid);
895 			smb_worker_findstack((uintptr_t)sr->sr_worker);
896 		} else {
897 			if (DCMD_HDRSPEC(flags))
898 				mdb_printf(
899 				    "%<b>%<u>%-?s %-?s %-16s %s%</u>%</b>\n",
900 				    "ADDR", "Worker", "STATE", "COM");
901 
902 			mdb_printf("%-?p %-?p %-16s %s\n", addr, sr->sr_worker,
903 			    state, smb_com[sr->first_smb_com]);
904 		}
905 	}
906 	return (DCMD_OK);
907 }
908 
909 /*
910  * *****************************************************************************
911  * ****************************** smb_user_t ***********************************
912  * *****************************************************************************
913  */
914 
915 static const char *smb_user_state[SMB_USER_STATE_SENTINEL] =
916 {
917 	"LOGGED_IN",
918 	"LOGGING_OFF",
919 	"LOGGED_OFF"
920 };
921 
922 /*
923  * List of objects that can be expanded under a user structure.
924  */
925 static const smb_exp_t smb_user_exp[] =
926 {
927 	{ SMB_OPT_TREE | SMB_OPT_OFILE | SMB_OPT_ODIR,
928 	    offsetof(smb_user_t, u_tree_list.ll_list),
929 	    "smbtree", "smb_tree"},
930 	{ 0, 0, NULL, NULL}
931 };
932 
933 static void
934 smb_dcmd_user_help(void)
935 {
936 	mdb_printf(
937 	    "Display the contents of smb_user_t, with optional filtering.\n\n");
938 	(void) mdb_dec_indent(2);
939 	mdb_printf("%<b>OPTIONS%</b>\n");
940 	(void) mdb_inc_indent(2);
941 	mdb_printf(
942 	    "-v\tDisplay verbose smb_user information\n"
943 	    "-d\tDisplay the list of smb_odirs attached\n"
944 	    "-f\tDisplay the list of smb_ofiles attached\n"
945 	    "-t\tDisplay the list of smb_trees attached\n");
946 }
947 
948 static int
949 smb_dcmd_user(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
950 {
951 	uint_t		opts;
952 	ulong_t		indent = 0;
953 
954 	if (smb_dcmd_getopt(&opts, argc, argv))
955 		return (DCMD_USAGE);
956 
957 	if (!(flags & DCMD_ADDRSPEC)) {
958 		opts |= SMB_OPT_USER;
959 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST);
960 		return (smb_obj_list("smb_user", opts, flags));
961 	}
962 
963 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_USER)) ||
964 	    !(opts & SMB_OPT_WALK)) {
965 		smb_user_t	*user;
966 		char		*account;
967 
968 		indent = SMB_DCMD_INDENT;
969 
970 		user = mdb_alloc(sizeof (*user), UM_SLEEP | UM_GC);
971 		if (mdb_vread(user, sizeof (*user), addr) == -1) {
972 			mdb_warn("failed to read smb_user at %p", addr);
973 			return (DCMD_ERR);
974 		}
975 
976 		account = mdb_zalloc(user->u_domain_len + user->u_name_len + 2,
977 		    UM_SLEEP | UM_GC);
978 
979 		if (user->u_domain_len)
980 			(void) mdb_vread(account, user->u_domain_len,
981 			    (uintptr_t)user->u_domain);
982 
983 		strcat(account, "\\");
984 
985 		if (user->u_name_len)
986 			(void) mdb_vread(account + strlen(account),
987 			    user->u_name_len, (uintptr_t)user->u_name);
988 
989 		if (opts & SMB_OPT_VERBOSE) {
990 			const char	*state;
991 
992 			if (user->u_state >= SMB_USER_STATE_SENTINEL)
993 				state = "INVALID";
994 			else
995 				state = smb_user_state[user->u_state];
996 
997 			mdb_printf("%<b>%<u>SMB user information (%p):"
998 			    "%</u>%</b>\n", addr);
999 			mdb_printf("UID: %u\n", user->u_uid);
1000 			mdb_printf("State: %d (%s)\n", user->u_state, state);
1001 			mdb_printf("Flags: 0x%08x\n", user->u_flags);
1002 			mdb_printf("Privileges: 0x%08x\n", user->u_privileges);
1003 			mdb_printf("Credential: %p\n", user->u_cred);
1004 			mdb_printf("Reference Count: %d\n", user->u_refcnt);
1005 			mdb_printf("User Account: %s\n\n", account);
1006 		} else {
1007 			if (DCMD_HDRSPEC(flags))
1008 				mdb_printf(
1009 				    "%<b>%<u>%?-s "
1010 				    "%-5s "
1011 				    "%-32s%</u>%</b>\n",
1012 				    "USER", "UID", "ACCOUNT");
1013 
1014 			mdb_printf("%-?p %-5u %-32s\n", addr, user->u_uid,
1015 			    account);
1016 		}
1017 	}
1018 	if (smb_obj_expand(addr, opts, smb_user_exp, indent))
1019 		return (DCMD_ERR);
1020 	return (DCMD_OK);
1021 }
1022 
1023 /*
1024  * *****************************************************************************
1025  * ****************************** smb_tree_t ***********************************
1026  * *****************************************************************************
1027  */
1028 
1029 static const char *smb_tree_state[SMB_TREE_STATE_SENTINEL] =
1030 {
1031 	"CONNECTED",
1032 	"DISCONNECTING",
1033 	"DISCONNECTED"
1034 };
1035 
1036 /*
1037  * List of objects that can be expanded under a tree structure.
1038  */
1039 static const smb_exp_t smb_tree_exp[] =
1040 {
1041 	{ SMB_OPT_OFILE,
1042 	    offsetof(smb_tree_t, t_ofile_list.ll_list),
1043 	    "smbofile", "smb_ofile"},
1044 	{ SMB_OPT_ODIR,
1045 	    offsetof(smb_tree_t, t_odir_list.ll_list),
1046 	    "smbodir", "smb_odir"},
1047 	{ 0, 0, NULL, NULL}
1048 };
1049 
1050 static void
1051 smb_dcmd_tree_help(void)
1052 {
1053 	mdb_printf(
1054 	    "Display the contents of smb_tree_t, with optional filtering.\n\n");
1055 	(void) mdb_dec_indent(2);
1056 	mdb_printf("%<b>OPTIONS%</b>\n");
1057 	(void) mdb_inc_indent(2);
1058 	mdb_printf(
1059 	    "-v\tDisplay verbose smb_tree information\n"
1060 	    "-d\tDisplay the list of smb_odirs attached\n"
1061 	    "-f\tDisplay the list of smb_ofiles attached\n");
1062 }
1063 
1064 static int
1065 smb_dcmd_tree(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1066 {
1067 	uint_t		opts;
1068 	ulong_t		indent = 0;
1069 
1070 	if (smb_dcmd_getopt(&opts, argc, argv))
1071 		return (DCMD_USAGE);
1072 
1073 	if (!(flags & DCMD_ADDRSPEC)) {
1074 		opts |= SMB_OPT_TREE;
1075 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1076 		    SMB_OPT_USER);
1077 		return (smb_obj_list("smb_tree", opts, flags));
1078 	}
1079 
1080 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_TREE)) ||
1081 	    !(opts & SMB_OPT_WALK)) {
1082 		smb_tree_t	*tree;
1083 
1084 		indent = SMB_DCMD_INDENT;
1085 
1086 		tree = mdb_alloc(sizeof (*tree), UM_SLEEP | UM_GC);
1087 		if (mdb_vread(tree, sizeof (*tree), addr) == -1) {
1088 			mdb_warn("failed to read smb_tree at %p", addr);
1089 			return (DCMD_ERR);
1090 		}
1091 
1092 		if (opts & SMB_OPT_VERBOSE) {
1093 			const char	*state;
1094 
1095 			if (tree->t_state >= SMB_TREE_STATE_SENTINEL)
1096 				state = "INVALID";
1097 			else
1098 				state = smb_tree_state[tree->t_state];
1099 
1100 			mdb_printf("%<b>%<u>SMB tree information (%p):"
1101 			    "%</u>%</b>\n\n", addr);
1102 			mdb_printf("TID: %04x\n", tree->t_tid);
1103 			mdb_printf("State: %d (%s)\n", tree->t_state, state);
1104 			mdb_printf("Share: %s\n", tree->t_sharename);
1105 			mdb_printf("Resource: %s\n", tree->t_resource);
1106 			mdb_printf("Type: %s\n", tree->t_typename);
1107 			mdb_printf("Volume: %s\n", tree->t_volume);
1108 			mdb_printf("Umask: %04x\n", tree->t_umask);
1109 			mdb_printf("Flags: %08x\n", tree->t_flags);
1110 			mdb_printf("SMB Node: %llx\n", tree->t_snode);
1111 			mdb_printf("Reference Count: %d\n\n", tree->t_refcnt);
1112 		} else {
1113 			if (DCMD_HDRSPEC(flags))
1114 				mdb_printf(
1115 				    "%<b>%<u>%-?s %-5s %-16s %-32s%</u>%</b>\n",
1116 				    "TREE", "TID", "SHARE NAME", "RESOURCE");
1117 
1118 			mdb_printf("%-?p %-5u %-16s %-32s\n", addr,
1119 			    tree->t_tid, tree->t_sharename, tree->t_resource);
1120 		}
1121 	}
1122 	if (smb_obj_expand(addr, opts, smb_tree_exp, indent))
1123 		return (DCMD_ERR);
1124 	return (DCMD_OK);
1125 }
1126 
1127 /*
1128  * *****************************************************************************
1129  * ****************************** smb_odir_t ***********************************
1130  * *****************************************************************************
1131  */
1132 
1133 static const char *smb_odir_state[SMB_ODIR_STATE_SENTINEL] =
1134 {
1135 	"OPEN",
1136 	"IN_USE",
1137 	"CLOSING",
1138 	"CLOSED"
1139 };
1140 
1141 static int
1142 smb_dcmd_odir(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1143 {
1144 	uint_t		opts;
1145 
1146 	if (smb_dcmd_getopt(&opts, argc, argv))
1147 		return (DCMD_USAGE);
1148 
1149 	if (!(flags & DCMD_ADDRSPEC)) {
1150 		opts |= SMB_OPT_ODIR;
1151 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1152 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_OFILE);
1153 		return (smb_obj_list("smb_odir", opts, flags));
1154 	}
1155 
1156 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_ODIR)) ||
1157 	    !(opts & SMB_OPT_WALK)) {
1158 		smb_odir_t	*od;
1159 
1160 		od = mdb_alloc(sizeof (*od), UM_SLEEP | UM_GC);
1161 		if (mdb_vread(od, sizeof (*od), addr) == -1) {
1162 			mdb_warn("failed to read smb_odir at %p", addr);
1163 			return (DCMD_ERR);
1164 		}
1165 
1166 		if (opts & SMB_OPT_VERBOSE) {
1167 			const char	*state;
1168 
1169 			if (od->d_state >= SMB_ODIR_STATE_SENTINEL)
1170 				state = "INVALID";
1171 			else
1172 				state = smb_odir_state[od->d_state];
1173 
1174 			mdb_printf(
1175 			    "%<b>%<u>SMB odir information (%p):%</u>%</b>\n\n",
1176 			    addr);
1177 			mdb_printf("State: %d (%s)\n", od->d_state, state);
1178 			mdb_printf("SID: %u\n", od->d_odid);
1179 			mdb_printf("Reference Count: %d\n", od->d_refcnt);
1180 			mdb_printf("Pattern: %s\n", od->d_pattern);
1181 			mdb_printf("SMB Node: %p\n\n", od->d_dnode);
1182 		} else {
1183 			if (DCMD_HDRSPEC(flags))
1184 				mdb_printf(
1185 				    "%<b>%<u>%-?s "
1186 				    "%-5s "
1187 				    "%-?s "
1188 				    "%-16s%</u>%</b>\n",
1189 				    "ODIR", "SID", "VNODE", "PATTERN");
1190 
1191 			mdb_printf("%?p %-5u %-16p %s\n",
1192 			    addr, od->d_odid, od->d_dnode, od->d_pattern);
1193 		}
1194 	}
1195 	return (DCMD_OK);
1196 }
1197 
1198 /*
1199  * *****************************************************************************
1200  * ****************************** smb_ofile_t **********************************
1201  * *****************************************************************************
1202  */
1203 
1204 static const char *smb_ofile_state[SMB_OFILE_STATE_SENTINEL] =
1205 {
1206 	"OPEN",
1207 	"CLOSING",
1208 	"CLOSED"
1209 };
1210 
1211 static int
1212 smb_dcmd_ofile(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1213 {
1214 	uint_t		opts;
1215 
1216 	if (smb_dcmd_getopt(&opts, argc, argv))
1217 		return (DCMD_USAGE);
1218 
1219 	if (!(flags & DCMD_ADDRSPEC)) {
1220 		opts |= SMB_OPT_OFILE;
1221 		opts &= ~(SMB_OPT_SERVER | SMB_OPT_SESSION | SMB_OPT_REQUEST |
1222 		    SMB_OPT_USER | SMB_OPT_TREE | SMB_OPT_ODIR);
1223 		return (smb_obj_list("smb_ofile", opts, flags));
1224 	}
1225 
1226 	if (((opts & SMB_OPT_WALK) && (opts & SMB_OPT_OFILE)) ||
1227 	    !(opts & SMB_OPT_WALK)) {
1228 		smb_ofile_t	*of;
1229 
1230 		of = mdb_alloc(sizeof (*of), UM_SLEEP | UM_GC);
1231 		if (mdb_vread(of, sizeof (*of), addr) == -1) {
1232 			mdb_warn("failed to read smb_ofile at %p", addr);
1233 			return (DCMD_ERR);
1234 		}
1235 
1236 		if (opts & SMB_OPT_VERBOSE) {
1237 			const char	*state;
1238 
1239 			if (of->f_state >= SMB_ODIR_STATE_SENTINEL)
1240 				state = "INVALID";
1241 			else
1242 				state = smb_ofile_state[of->f_state];
1243 
1244 			mdb_printf(
1245 			    "%<b>%<u>SMB ofile information (%p):%</u>%</b>\n\n",
1246 			    addr);
1247 			mdb_printf("FID: %u\n", of->f_fid);
1248 			mdb_printf("State: %d (%s)\n", of->f_state, state);
1249 			mdb_printf("SMB Node: %p\n", of->f_node);
1250 			mdb_printf("LLF Offset: 0x%llx (%s)\n",
1251 			    of->f_llf_pos,
1252 			    ((of->f_flags & SMB_OFLAGS_LLF_POS_VALID) ?
1253 			    "Valid" : "Invalid"));
1254 			mdb_printf("Flags: 0x%08x\n", of->f_flags);
1255 			mdb_printf("Credential: %p\n\n", of->f_cr);
1256 		} else {
1257 			if (DCMD_HDRSPEC(flags))
1258 				mdb_printf(
1259 				    "%<b>%<u>%-?s "
1260 				    "%-5s "
1261 				    "%-?s "
1262 				    "%-?s%</u>%</b>\n",
1263 				    "OFILE", "FID", "SMB NODE", "CRED");
1264 
1265 			mdb_printf("%?p %-5u %-p %p\n", addr,
1266 			    of->f_fid, of->f_node, of->f_cr);
1267 		}
1268 	}
1269 	return (DCMD_OK);
1270 }
1271 
1272 /*
1273  * *****************************************************************************
1274  * ******************************* smb_node_t **********************************
1275  * *****************************************************************************
1276  */
1277 
1278 static void
1279 smb_node_help(void)
1280 {
1281 	mdb_printf(
1282 	    "Display the contents of smb_node_t, with optional filtering.\n\n");
1283 	(void) mdb_dec_indent(2);
1284 	mdb_printf("%<b>OPTIONS%</b>\n");
1285 	(void) mdb_inc_indent(2);
1286 	mdb_printf(
1287 	    "-v\tDisplay verbose smb_node information\n"
1288 	    "-p\tDisplay the full path of the vnode associated\n"
1289 	    "-s\tDisplay the stack of the last 16 calls that modified the "
1290 	    "reference\n\tcount\n");
1291 }
1292 
1293 /*
1294  * ::smbnode
1295  *
1296  * smb_node dcmd - Print out smb_node structure.
1297  */
1298 static int
1299 smb_node(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1300 {
1301 	smb_node_t	node;
1302 	int		verbose = FALSE;
1303 	int		print_full_path = FALSE;
1304 	int		stack_trace = FALSE;
1305 	vnode_t		vnode;
1306 	char		od_name[MAXNAMELEN];
1307 	char		path_name[1024];
1308 	uintptr_t	list_addr;
1309 
1310 	if (mdb_getopts(argc, argv,
1311 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1312 	    'p', MDB_OPT_SETBITS, TRUE, &print_full_path,
1313 	    's', MDB_OPT_SETBITS, TRUE, &stack_trace,
1314 	    NULL) != argc)
1315 		return (DCMD_USAGE);
1316 
1317 	/*
1318 	 * If no smb_node address was specified on the command line, we can
1319 	 * print out all smb nodes by invoking the smb_node walker, using
1320 	 * this dcmd itself as the callback.
1321 	 */
1322 	if (!(flags & DCMD_ADDRSPEC)) {
1323 		if (mdb_walk_dcmd("smbnode_walker", "smbnode",
1324 		    argc, argv) == -1) {
1325 			mdb_warn("failed to walk 'smb_node'");
1326 			return (DCMD_ERR);
1327 		}
1328 		return (DCMD_OK);
1329 	}
1330 
1331 	/*
1332 	 * If this is the first invocation of the command, print a nice
1333 	 * header line for the output that will follow.
1334 	 */
1335 	if (DCMD_HDRSPEC(flags)) {
1336 		if (verbose) {
1337 			mdb_printf("%<b>%<u>SMB node information:%</u>%</b>\n");
1338 		} else {
1339 			mdb_printf(
1340 			    "%<b>%<u>%-?s "
1341 			    "%-?s "
1342 			    "%-18s "
1343 			    "%-6s "
1344 			    "%-6s "
1345 			    "%-6s%</u>%</b>\n",
1346 			    "ADDR", "VP", "NODE-NAME", "OFILES", "LOCKS",
1347 			    "REF");
1348 		}
1349 	}
1350 
1351 	/*
1352 	 * For each smb_node, we just need to read the smb_node_t struct, read
1353 	 * and then print out the following fields.
1354 	 */
1355 	if (mdb_vread(&node, sizeof (node), addr) == sizeof (node)) {
1356 		(void) mdb_snprintf(od_name, sizeof (od_name), "%s",
1357 		    node.od_name);
1358 		if (print_full_path) {
1359 			if (mdb_vread(&vnode, sizeof (vnode_t),
1360 			    (uintptr_t)node.vp) == sizeof (vnode_t)) {
1361 				if (mdb_readstr(path_name, sizeof (path_name),
1362 				    (uintptr_t)vnode.v_path) != 0) {
1363 					(void) mdb_snprintf(od_name,
1364 					    sizeof (od_name), "N/A");
1365 				}
1366 			}
1367 		}
1368 		if (verbose) {
1369 			mdb_printf("VP: %p\n", node.vp);
1370 			mdb_printf("Name: %s\n", od_name);
1371 			if (print_full_path)
1372 				mdb_printf("V-node Path: %s\n", path_name);
1373 			mdb_printf("Ofiles: %u\n", node.n_ofile_list.ll_count);
1374 			mdb_printf("Range Locks: %u\n",
1375 			    node.n_lock_list.ll_count);
1376 			if (node.n_lock_list.ll_count != 0) {
1377 				(void) mdb_inc_indent(SMB_DCMD_INDENT);
1378 				list_addr = addr +
1379 				    offsetof(smb_node_t, n_lock_list) +
1380 				    offsetof(smb_llist_t, ll_list);
1381 				if (mdb_pwalk_dcmd("list", "smblock", 0,
1382 				    NULL, list_addr)) {
1383 					mdb_warn("failed to walk node's active"
1384 					    " locks");
1385 				}
1386 				(void) mdb_dec_indent(SMB_DCMD_INDENT);
1387 			}
1388 			mdb_printf("Reference Count: %u\n\n", node.n_refcnt);
1389 		} else {
1390 			mdb_printf("%-?p %-?p %-18s %-6d %-6d %-6d\n",
1391 			    addr, node.vp, od_name, node.n_ofile_list.ll_count,
1392 			    node.n_lock_list.ll_count, node.n_refcnt);
1393 			if (print_full_path)
1394 				mdb_printf("\t%s\n", path_name);
1395 		}
1396 		if (stack_trace && node.n_audit_buf) {
1397 			int ctr;
1398 			smb_audit_buf_node_t *anb;
1399 
1400 			anb = mdb_alloc(sizeof (smb_audit_buf_node_t),
1401 			    UM_SLEEP | UM_GC);
1402 
1403 			if (mdb_vread(anb, sizeof (*anb),
1404 			    (uintptr_t)node.n_audit_buf) != sizeof (*anb)) {
1405 				mdb_warn("failed to read audit buffer");
1406 				return (DCMD_ERR);
1407 			}
1408 			ctr = anb->anb_max_index + 1;
1409 			anb->anb_index--;
1410 			anb->anb_index &= anb->anb_max_index;
1411 
1412 			while (ctr) {
1413 				smb_audit_record_node_t	*anr;
1414 
1415 				anr = anb->anb_records + anb->anb_index;
1416 
1417 				if (anr->anr_depth) {
1418 					char c[MDB_SYM_NAMLEN];
1419 					GElf_Sym sym;
1420 					int i;
1421 
1422 					mdb_printf("\nRefCnt: %u\t",
1423 					    anr->anr_refcnt);
1424 
1425 					for (i = 0;
1426 					    i < anr->anr_depth;
1427 					    i++) {
1428 						if (mdb_lookup_by_addr(
1429 						    anr->anr_stack[i],
1430 						    MDB_SYM_FUZZY,
1431 						    c, sizeof (c),
1432 						    &sym) == -1) {
1433 							continue;
1434 						}
1435 						mdb_printf("%s+0x%1x",
1436 						    c,
1437 						    anr->anr_stack[i] -
1438 						    (uintptr_t)sym.st_value);
1439 						++i;
1440 						break;
1441 					}
1442 
1443 					while (i < anr->anr_depth) {
1444 						if (mdb_lookup_by_addr(
1445 						    anr->anr_stack[i],
1446 						    MDB_SYM_FUZZY,
1447 						    c, sizeof (c),
1448 						    &sym) == -1) {
1449 							++i;
1450 							continue;
1451 						}
1452 						mdb_printf("\n\t\t%s+0x%1x",
1453 						    c,
1454 						    anr->anr_stack[i] -
1455 						    (uintptr_t)sym.st_value);
1456 						++i;
1457 					}
1458 					mdb_printf("\n");
1459 				}
1460 				anb->anb_index--;
1461 				anb->anb_index &= anb->anb_max_index;
1462 				ctr--;
1463 			}
1464 		}
1465 	} else {
1466 		mdb_warn("failed to read struct smb_node at %p", addr);
1467 		return (DCMD_ERR);
1468 	}
1469 
1470 	return (DCMD_OK);
1471 }
1472 
1473 /*
1474  * Initialize the smb_node_t walker by reading the value of smb_node_hash_table
1475  * in the kernel's symbol table. Only global walk supported.
1476  */
1477 static int
1478 smb_node_walk_init(mdb_walk_state_t *wsp)
1479 {
1480 	GElf_Sym	sym;
1481 	int		i;
1482 	uintptr_t	node_hash_table_addr;
1483 
1484 	if (wsp->walk_addr == NULL) {
1485 		if (mdb_lookup_by_name("smb_node_hash_table", &sym) == -1) {
1486 			mdb_warn("failed to find 'smb_node_hash_table'");
1487 			return (WALK_ERR);
1488 		}
1489 		node_hash_table_addr = (uintptr_t)sym.st_value;
1490 	} else {
1491 		mdb_printf("smb_node walk only supports global walks\n");
1492 		return (WALK_ERR);
1493 	}
1494 
1495 	for (i = 0; i < SMBND_HASH_MASK + 1; i++) {
1496 		wsp->walk_addr = node_hash_table_addr +
1497 		    (i * sizeof (smb_llist_t)) + offsetof(smb_llist_t, ll_list);
1498 		if (mdb_layered_walk("list", wsp) == -1) {
1499 			mdb_warn("failed to walk 'list'");
1500 			return (WALK_ERR);
1501 		}
1502 	}
1503 
1504 	return (WALK_NEXT);
1505 }
1506 
1507 static int
1508 smb_node_walk_step(mdb_walk_state_t *wsp)
1509 {
1510 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1511 	    wsp->walk_cbdata));
1512 }
1513 
1514 /*
1515  * *****************************************************************************
1516  * ****************************** smb_lock_t ***********************************
1517  * *****************************************************************************
1518  */
1519 
1520 static int
1521 smb_lock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1522 {
1523 	smb_lock_t	lock;
1524 	int		verbose = FALSE;
1525 	uintptr_t	list_addr;
1526 	char		*lock_type;
1527 
1528 	if (mdb_getopts(argc, argv,
1529 	    'v', MDB_OPT_SETBITS, TRUE, &verbose,
1530 	    NULL) != argc)
1531 		return (DCMD_USAGE);
1532 
1533 	/*
1534 	 * An smb_lock_t address must be specified.
1535 	 */
1536 	if (!(flags & DCMD_ADDRSPEC))
1537 		return (DCMD_USAGE);
1538 
1539 	/*
1540 	 * If this is the first invocation of the command, print a nice
1541 	 * header line for the output that will follow.
1542 	 */
1543 	if (DCMD_HDRSPEC(flags)) {
1544 		if (verbose)
1545 			mdb_printf("SMB lock information:\n\n");
1546 		else
1547 			mdb_printf("%<u>%-?s %4s %16s %8s %9s%</u>\n",
1548 			    "Locks: ", "TYPE", "START", "LENGTH",
1549 			    "CONFLICTS");
1550 	}
1551 
1552 	if (mdb_vread(&lock, sizeof (lock), addr) == sizeof (lock)) {
1553 		switch (lock.l_type) {
1554 		case SMB_LOCK_TYPE_READWRITE:
1555 			lock_type = "RW";
1556 			break;
1557 		case SMB_LOCK_TYPE_READONLY:
1558 			lock_type = "RO";
1559 			break;
1560 		default:
1561 			lock_type = "N/A";
1562 			break;
1563 		}
1564 		if (verbose) {
1565 			mdb_printf("Type             :\t%s (%u)\n",
1566 			    lock_type, lock.l_type);
1567 			mdb_printf("Start            :\t%llx\n",
1568 			    lock.l_start);
1569 			mdb_printf("Length           :\t%lx\n",
1570 			    lock.l_length);
1571 			mdb_printf("Session          :\t%p\n",
1572 			    lock.l_session);
1573 			mdb_printf("File             :\t%p\n",
1574 			    lock.l_file);
1575 			mdb_printf("User ID          :\t%u\n",
1576 			    lock.l_uid);
1577 			mdb_printf("Process ID       :\t%u\n",
1578 			    lock.l_pid);
1579 			mdb_printf("Conflicts        :\t%u\n",
1580 			    lock.l_conflict_list.sl_count);
1581 			if (lock.l_conflict_list.sl_count != 0) {
1582 				(void) mdb_inc_indent(SMB_DCMD_INDENT);
1583 				list_addr = addr +
1584 				    offsetof(smb_lock_t, l_conflict_list) +
1585 				    offsetof(smb_slist_t, sl_list);
1586 				if (mdb_pwalk_dcmd("list", "smb_lock",
1587 				    0, NULL, list_addr)) {
1588 					mdb_warn("failed to walk conflict "
1589 					    "locks ");
1590 				}
1591 				(void) mdb_dec_indent(SMB_DCMD_INDENT);
1592 			}
1593 			mdb_printf("Blocked by       :\t%p\n",
1594 			    lock.l_blocked_by);
1595 			mdb_printf("Flags            :\t0x%x\n",
1596 			    lock.l_flags);
1597 			mdb_printf("\n");
1598 		} else {
1599 			mdb_printf("%?p %4s %16llx %08lx %9x", addr,
1600 			    lock_type, lock.l_start, lock.l_length,
1601 			    lock.l_conflict_list.sl_count);
1602 		}
1603 	} else {
1604 		mdb_warn("failed to read struct smb_request at %p", addr);
1605 		return (DCMD_ERR);
1606 	}
1607 
1608 	return (DCMD_OK);
1609 }
1610 
1611 /*
1612  * ::smb_dispatch_stats
1613  *
1614  * smb_dispatch_stats dcmd - Prints all dispatched SMB requests statistics.
1615  */
1616 /*ARGSUSED*/
1617 static int
1618 smb_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1619 {
1620 	smb_disp_entry_t	*disp;
1621 	GElf_Sym		sym;
1622 	int			nstats = 0, i;
1623 
1624 	if ((flags & DCMD_ADDRSPEC) || argc != 0)
1625 		return (DCMD_USAGE);
1626 
1627 	if (mdb_lookup_by_obj(MDB_OBJ_EVERY, "dispatch", &sym)) {
1628 		mdb_warn("failed to find dispatch object");
1629 		return (DCMD_ERR);
1630 	}
1631 
1632 	disp = mdb_alloc(sym.st_size, UM_SLEEP | UM_GC);
1633 	if (mdb_vread(disp, sym.st_size, sym.st_value) == -1) {
1634 		mdb_warn("failed to read from dispatch object");
1635 		return (DCMD_ERR);
1636 	}
1637 
1638 	nstats = sym.st_size / sizeof (smb_disp_entry_t);
1639 
1640 	mdb_printf("All dispatched SMB requests statistics:\n\n");
1641 	for (i = 0; i < nstats; i++) {
1642 		if (disp[i].sdt_function)
1643 			mdb_printf("    %40s\t: %lld\n",
1644 			    disp[i].sdt_dispatch_stats.name,
1645 			    disp[i].sdt_dispatch_stats.value.ui64);
1646 	}
1647 	return (DCMD_OK);
1648 }
1649 
1650 /*
1651  * *****************************************************************************
1652  * ******************************** smb_ace_t **********************************
1653  * *****************************************************************************
1654  */
1655 static const ace_type_entry_t	ace_types[ACE_TYPE_TABLEN] =
1656 {
1657 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_ACE_TYPE),
1658 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_ACE_TYPE),
1659 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_ACE_TYPE),
1660 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_ACE_TYPE),
1661 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE),
1662 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE),
1663 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_OBJECT_ACE_TYPE),
1664 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE),
1665 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE),
1666 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE),
1667 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE),
1668 	ACE_TYPE_ENTRY(ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE),
1669 	ACE_TYPE_ENTRY(ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE),
1670 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE),
1671 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE),
1672 	ACE_TYPE_ENTRY(ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE),
1673 	ACE_TYPE_ENTRY(ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE),
1674 	ACE_TYPE_ENTRY(0x11),
1675 	ACE_TYPE_ENTRY(0x12),
1676 	ACE_TYPE_ENTRY(0x13),
1677 	ACE_TYPE_ENTRY(0x14),
1678 	ACE_TYPE_ENTRY(0x15),
1679 	ACE_TYPE_ENTRY(0x16),
1680 	ACE_TYPE_ENTRY(0x17),
1681 	ACE_TYPE_ENTRY(0x18),
1682 	ACE_TYPE_ENTRY(0x19),
1683 	ACE_TYPE_ENTRY(0x1A),
1684 	ACE_TYPE_ENTRY(0x1B),
1685 	ACE_TYPE_ENTRY(0x1C),
1686 	ACE_TYPE_ENTRY(0x1D),
1687 	ACE_TYPE_ENTRY(0x1E),
1688 	ACE_TYPE_ENTRY(0x1F)
1689 };
1690 
1691 static const mdb_bitmask_t ace_flag_bits[] = {
1692 	{ "OBJECT_INHERIT_ACE", OBJECT_INHERIT_ACE, OBJECT_INHERIT_ACE },
1693 	{ "CONTAINER_INHERIT_ACE", CONTAINER_INHERIT_ACE,
1694 	    CONTAINER_INHERIT_ACE },
1695 	{ "NO_PROPOGATE_INHERIT_ACE", NO_PROPOGATE_INHERIT_ACE,
1696 	    NO_PROPOGATE_INHERIT_ACE },
1697 	{ "INHERIT_ONLY_ACE", INHERIT_ONLY_ACE, INHERIT_ONLY_ACE },
1698 	{ "INHERITED_ACE", INHERITED_ACE, INHERITED_ACE },
1699 	{ "SUCCESSFUL_ACCESS_ACE_FLAG", SUCCESSFUL_ACCESS_ACE_FLAG,
1700 	    SUCCESSFUL_ACCESS_ACE_FLAG },
1701 	{ "FAILED_ACCESS_ACE_FLAG", FAILED_ACCESS_ACE_FLAG,
1702 	    FAILED_ACCESS_ACE_FLAG },
1703 	{ NULL, 0, 0 }
1704 };
1705 
1706 /*
1707  * ::smbace
1708  */
1709 static int
1710 smb_ace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1711 {
1712 	smb_ace_t	ace;
1713 	int		verbose = FALSE;
1714 	const char	*ptr;
1715 	int		rc;
1716 
1717 	if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose,
1718 	    NULL) != argc)
1719 		return (DCMD_USAGE);
1720 
1721 	/*
1722 	 * An smb_ace address is required.
1723 	 */
1724 	if (!(flags & DCMD_ADDRSPEC))
1725 		return (DCMD_USAGE);
1726 
1727 	if (mdb_vread(&ace, sizeof (ace), addr) != sizeof (ace)) {
1728 		mdb_warn("failed to read struct smb_ace at %p", addr);
1729 		return (DCMD_ERR);
1730 	}
1731 
1732 	if (verbose) {
1733 		if (ace.se_hdr.se_type < ACE_TYPE_TABLEN)
1734 			ptr = ace_types[ace.se_hdr.se_type].ace_type_sting;
1735 		else
1736 			ptr = "Unknown";
1737 
1738 		mdb_printf("ACE Type: 0x%02x (%s)\n", ace.se_hdr.se_type, ptr);
1739 		mdb_printf("ACE Flags: %b\n", (int)ace.se_hdr.se_flags,
1740 		    ace_flag_bits);
1741 		mdb_printf("ACE Wire Size: 0x%04x\n", ace.se_hdr.se_bsize);
1742 		mdb_printf("ACE Mask: 0x%08x\n", ace.se_mask);
1743 		mdb_printf("ACE SID: ");
1744 	} else {
1745 		if (DCMD_HDRSPEC(flags))
1746 			mdb_printf(
1747 			    "%<b>%<u>%?-s %-4s %-4s %-8s %s%</u>%</b>\n",
1748 			    "ACE", "TYPE", "FLAGS", "MASK", "SID");
1749 		mdb_printf("%?p 0x%02x 0x%02x 0x%08x ", addr,
1750 		    ace.se_hdr.se_type, ace.se_hdr.se_flags, ace.se_mask);
1751 	}
1752 	rc = smb_sid_print((uintptr_t)ace.se_sid);
1753 	mdb_printf("\n");
1754 	return (rc);
1755 }
1756 
1757 static int
1758 smb_ace_walk_init(mdb_walk_state_t *wsp)
1759 {
1760 	if (wsp->walk_addr == 0) {
1761 		mdb_printf("smb_ace walk only supports local walks\n");
1762 		return (WALK_ERR);
1763 	}
1764 
1765 	wsp->walk_addr += offsetof(smb_acl_t, sl_sorted);
1766 
1767 	if (mdb_layered_walk("list", wsp) == -1) {
1768 		mdb_warn("failed to walk list of ACEs");
1769 		return (WALK_ERR);
1770 	}
1771 
1772 	return (WALK_NEXT);
1773 }
1774 
1775 static int
1776 smb_ace_walk_step(mdb_walk_state_t *wsp)
1777 {
1778 	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
1779 	    wsp->walk_cbdata));
1780 }
1781 
1782 /*
1783  * *****************************************************************************
1784  * ******************************** smb_acl_t **********************************
1785  * *****************************************************************************
1786  */
1787 
1788 /*
1789  * ::smbacl
1790  */
1791 static int
1792 smb_acl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1793 {
1794 	smb_acl_t	acl;
1795 
1796 	/* An smb_acl address is required. */
1797 	if (!(flags & DCMD_ADDRSPEC))
1798 		return (DCMD_USAGE);
1799 
1800 	if (mdb_vread(&acl, sizeof (acl), addr) != sizeof (acl)) {
1801 		mdb_warn("failed to read struct smb_acl at %p", addr);
1802 		return (DCMD_ERR);
1803 	}
1804 
1805 	mdb_printf("ACL Revision: %d\n", acl.sl_revision);
1806 	mdb_printf("ACL Size on Wire: %d\n", acl.sl_bsize);
1807 	mdb_printf("ACL Number of ACEs: %d\n", acl.sl_acecnt);
1808 
1809 	(void) mdb_inc_indent(SMB_DCMD_INDENT);
1810 	if (mdb_pwalk_dcmd("smbace_walker", "smbace", argc, argv, addr)) {
1811 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
1812 		mdb_warn("failed to walk list of ACEs for ACL %p", addr);
1813 		return (DCMD_ERR);
1814 	}
1815 	(void) mdb_dec_indent(SMB_DCMD_INDENT);
1816 	return (DCMD_OK);
1817 }
1818 
1819 /*
1820  * *****************************************************************************
1821  * ********************************* smb_sd_t **********************************
1822  * *****************************************************************************
1823  */
1824 
1825 /*
1826  * ::smbsd
1827  */
1828 static int
1829 smb_sd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1830 {
1831 	smb_sd_t	sd;
1832 	int		rc;
1833 
1834 	/*
1835 	 * An smb_sid address is required.
1836 	 */
1837 	if (!(flags & DCMD_ADDRSPEC))
1838 		return (DCMD_USAGE);
1839 
1840 	if (mdb_vread(&sd, sizeof (sd), addr) != sizeof (sd)) {
1841 		mdb_warn("failed to read struct smb_sd at %p", addr);
1842 		return (DCMD_ERR);
1843 	}
1844 
1845 	mdb_printf("SD Revision: %d\n", sd.sd_revision);
1846 	mdb_printf("SD Control: %04x\n", sd.sd_control);
1847 	if (sd.sd_control & SE_OWNER_DEFAULTED)
1848 		mdb_printf("\t    SE_OWNER_DEFAULTED\n");
1849 	if (sd.sd_control & SE_GROUP_DEFAULTED)
1850 		mdb_printf("\t    SE_GROUP_DEFAULTED\n");
1851 	if (sd.sd_control & SE_DACL_PRESENT)
1852 		mdb_printf("\t    SE_DACL_PRESENT\n");
1853 	if (sd.sd_control & SE_DACL_DEFAULTED)
1854 		mdb_printf("\t    SE_DACL_DEFAULTED\n");
1855 	if (sd.sd_control & SE_SACL_PRESENT)
1856 		mdb_printf("\t    SE_SACL_PRESENT\n");
1857 	if (sd.sd_control & SE_SACL_DEFAULTED)
1858 		mdb_printf("\t    SE_SACL_DEFAULTED\n");
1859 	if (sd.sd_control & SE_DACL_AUTO_INHERIT_REQ)
1860 		mdb_printf("\t    SE_DACL_AUTO_INHERIT_REQ\n");
1861 	if (sd.sd_control & SE_SACL_AUTO_INHERIT_REQ)
1862 		mdb_printf("\t    SE_SACL_AUTO_INHERIT_REQ\n");
1863 	if (sd.sd_control & SE_DACL_AUTO_INHERITED)
1864 		mdb_printf("\t    SE_DACL_AUTO_INHERITED\n");
1865 	if (sd.sd_control & SE_SACL_AUTO_INHERITED)
1866 		mdb_printf("\t    SE_SACL_AUTO_INHERITED\n");
1867 	if (sd.sd_control & SE_DACL_PROTECTED)
1868 		mdb_printf("\t    SE_DACL_PROTECTED\n");
1869 	if (sd.sd_control & SE_SACL_PROTECTED)
1870 		mdb_printf("\t    SE_SACL_PROTECTED\n");
1871 	if (sd.sd_control & SE_SELF_RELATIVE)
1872 		mdb_printf("\t    SE_SELF_RELATIVE\n");
1873 
1874 	mdb_printf("SID of Owner: ");
1875 	rc = smb_sid_print((uintptr_t)sd.sd_owner);
1876 	if (rc != DCMD_OK)
1877 		return (rc);
1878 	mdb_printf("\nSID of Group: ");
1879 	rc = smb_sid_print((uintptr_t)sd.sd_group);
1880 	if (rc != DCMD_OK)
1881 		return (rc);
1882 	mdb_printf("\n");
1883 
1884 	if (sd.sd_control & SE_SACL_PRESENT && sd.sd_sacl) {
1885 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
1886 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
1887 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_sacl, flags,
1888 		    argc, argv);
1889 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
1890 		if (rc != DCMD_OK)
1891 			return (rc);
1892 	}
1893 	if (sd.sd_control & SE_DACL_PRESENT && sd.sd_dacl) {
1894 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
1895 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
1896 		rc = mdb_call_dcmd("smbacl", (uintptr_t)sd.sd_dacl, flags,
1897 		    argc, argv);
1898 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
1899 		if (rc != DCMD_OK)
1900 			return (rc);
1901 	}
1902 
1903 	return (DCMD_OK);
1904 }
1905 
1906 /*
1907  * *****************************************************************************
1908  * ********************************* smb_sid_t *********************************
1909  * *****************************************************************************
1910  */
1911 
1912 /*
1913  * ::smbsid
1914  */
1915 /*ARGSUSED*/
1916 static int
1917 smb_sid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1918 {
1919 	/*
1920 	 * An smb_sid address is required.
1921 	 */
1922 	if (!(flags & DCMD_ADDRSPEC))
1923 		return (DCMD_USAGE);
1924 
1925 	return (smb_sid_print(addr));
1926 }
1927 
1928 /*
1929  * smb_sid_print
1930  */
1931 static int
1932 smb_sid_print(uintptr_t addr)
1933 {
1934 	smb_sid_t	sid;
1935 	smb_sid_t	*psid;
1936 	size_t		sid_size;
1937 	int		i;
1938 	uint64_t	authority;
1939 
1940 	sid_size = offsetof(smb_sid_t, sid_subauth);
1941 
1942 	if (mdb_vread(&sid, sid_size, addr) != sid_size) {
1943 		mdb_warn("failed to read struct smb_sid at %p", addr);
1944 		return (DCMD_ERR);
1945 	}
1946 
1947 	sid_size += sid.sid_subauthcnt * sizeof (sid.sid_subauth[0]);
1948 
1949 	psid = mdb_zalloc(sid_size, UM_SLEEP | UM_GC);
1950 	if (mdb_vread(psid, sid_size, addr) != sid_size) {
1951 		mdb_warn("failed to read struct smb_sid at %p", addr);
1952 		return (DCMD_ERR);
1953 	}
1954 
1955 	mdb_printf("S-%d", psid->sid_revision);
1956 	authority = 0;
1957 	for (i = 0; i < NT_SID_AUTH_MAX; i++) {
1958 		authority += ((uint64_t)psid->sid_authority[i]) <<
1959 		    (8 * (NT_SID_AUTH_MAX - 1) - i);
1960 	}
1961 	mdb_printf("-%ll", authority);
1962 
1963 	for (i = 0; i < psid->sid_subauthcnt; i++)
1964 		mdb_printf("-%d", psid->sid_subauth[i]);
1965 
1966 	return (DCMD_OK);
1967 }
1968 
1969 /*
1970  * *****************************************************************************
1971  * ********************************* smb_fssd_t ********************************
1972  * *****************************************************************************
1973  */
1974 
1975 /*
1976  * ::smbfssd
1977  */
1978 static int
1979 smb_fssd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
1980 {
1981 	smb_fssd_t	fssd;
1982 	int		rc;
1983 
1984 	/*
1985 	 * An smb_fssd address is required.
1986 	 */
1987 	if (!(flags & DCMD_ADDRSPEC))
1988 		return (DCMD_USAGE);
1989 
1990 	if (mdb_vread(&fssd, sizeof (fssd), addr) != sizeof (fssd)) {
1991 		mdb_warn("failed to read struct smb_fssd at %p", addr);
1992 		return (DCMD_ERR);
1993 	}
1994 
1995 	mdb_printf("FSSD secinfo: 0x%x\n", fssd.sd_secinfo);
1996 	if (fssd.sd_secinfo & SMB_OWNER_SECINFO)
1997 		mdb_printf("FSSD uid: %d\n", fssd.sd_uid);
1998 	if (fssd.sd_secinfo & SMB_GROUP_SECINFO)
1999 		mdb_printf("FSSD gid: %d\n", fssd.sd_gid);
2000 	if (fssd.sd_secinfo & SMB_SACL_SECINFO && fssd.sd_zsacl) {
2001 		mdb_printf("%<b>%<u>System ACL%</u>%</b>\n");
2002 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2003 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zsacl, flags,
2004 		    argc, argv);
2005 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2006 		if (rc != DCMD_OK)
2007 			return (rc);
2008 	}
2009 	if (fssd.sd_secinfo & SMB_DACL_SECINFO && fssd.sd_zdacl) {
2010 		mdb_printf("%<b>%<u>Discretionary ACL%</u>%</b>\n");
2011 		(void) mdb_inc_indent(SMB_DCMD_INDENT);
2012 		rc = mdb_call_dcmd("smbacl", (uintptr_t)fssd.sd_zdacl, flags,
2013 		    argc, argv);
2014 		(void) mdb_dec_indent(SMB_DCMD_INDENT);
2015 		if (rc != DCMD_OK)
2016 			return (rc);
2017 	}
2018 
2019 	return (DCMD_OK);
2020 }
2021 
2022 /*
2023  * *****************************************************************************
2024  * **************************** Utility Funcions *******************************
2025  * *****************************************************************************
2026  */
2027 
2028 /*
2029  * smb_dcmd_getopt
2030  *
2031  * This function analyzes the arguments passed in and sets the bit corresponding
2032  * to the options found in the opts variable.
2033  *
2034  * Return Value
2035  *
2036  *	-1	An error occured during the decoding
2037  *	0	The decoding was successful
2038  */
2039 static int
2040 smb_dcmd_getopt(uint_t *opts, int argc, const mdb_arg_t *argv)
2041 {
2042 	*opts = 0;
2043 
2044 	if (mdb_getopts(argc, argv,
2045 	    's', MDB_OPT_SETBITS, SMB_OPT_SERVER, opts,
2046 	    'm', MDB_OPT_SETBITS, SMB_OPT_VFS, opts,
2047 	    'e', MDB_OPT_SETBITS, SMB_OPT_SESSION, opts,
2048 	    'r', MDB_OPT_SETBITS, SMB_OPT_REQUEST, opts,
2049 	    'u', MDB_OPT_SETBITS, SMB_OPT_USER, opts,
2050 	    't', MDB_OPT_SETBITS, SMB_OPT_TREE, opts,
2051 	    'f', MDB_OPT_SETBITS, SMB_OPT_OFILE, opts,
2052 	    'd', MDB_OPT_SETBITS, SMB_OPT_ODIR, opts,
2053 	    'w', MDB_OPT_SETBITS, SMB_OPT_WALK, opts,
2054 	    'v', MDB_OPT_SETBITS, SMB_OPT_VERBOSE, opts,
2055 	    NULL) != argc)
2056 		return (-1);
2057 
2058 	return (0);
2059 }
2060 
2061 /*
2062  * smb_dcmd_setopt
2063  *
2064  * This function set the arguments corresponding to the bits set in opts.
2065  *
2066  * Return Value
2067  *
2068  *	Number of arguments set.
2069  */
2070 static int
2071 smb_dcmd_setopt(uint_t opts, int max_argc, mdb_arg_t *argv)
2072 {
2073 	int	i;
2074 	uint_t	mask = 0x00000001;
2075 	int	argc = 0;
2076 
2077 	for (i = 0; i < SMB_MDB_MAX_OPTS; i++) {
2078 		if ((opts & mask) && (argc < max_argc)) {
2079 			argv->a_type = MDB_TYPE_STRING;
2080 			argv->a_un.a_str = smb_opts[i];
2081 			argc++;
2082 			argv++;
2083 		}
2084 		mask = mask << 1;
2085 	}
2086 	return (argc);
2087 }
2088 
2089 /*
2090  * smb_obj_expand
2091  */
2092 static int
2093 smb_obj_expand(uintptr_t addr, uint_t opts, const smb_exp_t *x, ulong_t indent)
2094 {
2095 	int		rc = 0;
2096 	int		argc;
2097 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
2098 
2099 	argc = smb_dcmd_setopt(opts | SMB_OPT_WALK, SMB_MDB_MAX_OPTS, argv);
2100 
2101 	(void) mdb_inc_indent(indent);
2102 	while (x->ex_dcmd) {
2103 		if (x->ex_mask & opts) {
2104 			rc = mdb_pwalk_dcmd("list", x->ex_dcmd, argc, argv,
2105 			    addr + x->ex_offset);
2106 
2107 			if (rc) {
2108 				mdb_warn("failed to walk the list of %s in %p",
2109 				    x->ex_name, addr + x->ex_offset);
2110 				break;
2111 			}
2112 		}
2113 		x++;
2114 	}
2115 	(void) mdb_dec_indent(indent);
2116 	return (rc);
2117 }
2118 
2119 /*
2120  * smb_obj_list
2121  *
2122  * Function called by the DCMDs when no address is provided. It expands the
2123  * tree under the object type associated with the calling DCMD (based on the
2124  * flags passed in).
2125  *
2126  * Return Value
2127  *
2128  *	DCMD_OK
2129  *	DCMD_ERR
2130  */
2131 static int
2132 smb_obj_list(const char *name, uint_t opts, uint_t flags)
2133 {
2134 	int		argc;
2135 	mdb_arg_t	argv[SMB_MDB_MAX_OPTS];
2136 
2137 	argc = smb_dcmd_setopt(opts, SMB_MDB_MAX_OPTS, argv);
2138 
2139 	if (mdb_call_dcmd("smblist", 0, flags, argc, argv)) {
2140 		mdb_warn("failed to list %s", name);
2141 		return (DCMD_ERR);
2142 	}
2143 	return (DCMD_OK);
2144 }
2145 
2146 static int
2147 smb_worker_findstack(uintptr_t addr)
2148 {
2149 	kthread_t	t;
2150 	taskq_t		tq;
2151 	char		cmd[80];
2152 	mdb_arg_t	cmdarg;
2153 
2154 	if (mdb_vread(&t, sizeof (kthread_t), addr) == -1) {
2155 		mdb_warn("failed to read kthread_t at %p", addr);
2156 		return (DCMD_ERR);
2157 	}
2158 
2159 	if (mdb_vread(&tq, sizeof (taskq_t), (uintptr_t)t.t_taskq) == -1)
2160 		tq.tq_name[0] = '\0';
2161 
2162 	mdb_inc_indent(2);
2163 
2164 	mdb_printf("PC: %a", t.t_pc);
2165 	if (t.t_tid == 0) {
2166 		if (tq.tq_name[0] != '\0')
2167 			mdb_printf("    TASKQ: %s\n", tq.tq_name);
2168 		else
2169 			mdb_printf("    THREAD: %a()\n", t.t_startpc);
2170 	}
2171 
2172 	mdb_snprintf(cmd, sizeof (cmd), "<.$c%d", 16);
2173 	cmdarg.a_type = MDB_TYPE_STRING;
2174 	cmdarg.a_un.a_str = cmd;
2175 	(void) mdb_call_dcmd("findstack", addr, DCMD_ADDRSPEC, 1, &cmdarg);
2176 	mdb_dec_indent(2);
2177 	mdb_printf("\n");
2178 	return (DCMD_OK);
2179 }
2180