xref: /netbsd-src/lib/libpuffs/opdump.c (revision 274254cdae52594c1aa480a736aef78313d15c9c)
1 /*	$NetBSD: opdump.c,v 1.27 2009/04/06 20:47:17 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2005, 2006  Antti Kantee.  All Rights Reserved.
5  *
6  * Development of this software was supported by the
7  * Google Summer of Code program and the Ulla Tuominen Foundation.
8  * The Google SoC project was mentored by Bill Studenmund.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 /* Pretty-printing helper routines for VFS/VOP request contents */
33 
34 /* yes, this is pretty much a mess */
35 
36 #include <sys/cdefs.h>
37 #if !defined(lint)
38 __RCSID("$NetBSD: opdump.c,v 1.27 2009/04/06 20:47:17 pooka Exp $");
39 #endif /* !lint */
40 
41 #include <sys/types.h>
42 #include <sys/time.h>
43 
44 #include <puffs.h>
45 #include <puffsdump.h>
46 #include <stdio.h>
47 
48 #include "puffs_priv.h"
49 
50 /* XXX! */
51 const char *vfsop_revmap[] = {
52 	"PUFFS_VFS_MOUNT",
53 	"PUFFS_VFS_START",
54 	"PUFFS_VFS_UNMOUNT",
55 	"PUFFS_VFS_ROOT",
56 	"PUFFS_VFS_STATVFS",
57 	"PUFFS_VFS_SYNC",
58 	"PUFFS_VFS_VGET",
59 	"PUFFS_VFS_FHTOVP",
60 	"PUFFS_VFS_VPTOFH",
61 	"PUFFS_VFS_INIT",
62 	"PUFFS_VFS_DONE",
63 	"PUFFS_VFS_SNAPSHOT",
64 	"PUFFS_VFS_EXTATTCTL",
65 	"PUFFS_VFS_SUSPEND"
66 };
67 /* XXX! */
68 const char *vnop_revmap[] = {
69 	"PUFFS_VN_LOOKUP",
70 	"PUFFS_VN_CREATE",
71 	"PUFFS_VN_MKNOD",
72 	"PUFFS_VN_OPEN",
73 	"PUFFS_VN_CLOSE",
74 	"PUFFS_VN_ACCESS",
75 	"PUFFS_VN_GETATTR",
76 	"PUFFS_VN_SETATTR",
77 	"PUFFS_VN_READ",
78 	"PUFFS_VN_WRITE",
79 	"PUFFS_VN_IOCTL",
80 	"PUFFS_VN_FCNTL",
81 	"PUFFS_VN_POLL",
82 	"PUFFS_VN_KQFILTER",
83 	"PUFFS_VN_REVOKE",
84 	"PUFFS_VN_MMAP",
85 	"PUFFS_VN_FSYNC",
86 	"PUFFS_VN_SEEK",
87 	"PUFFS_VN_REMOVE",
88 	"PUFFS_VN_LINK",
89 	"PUFFS_VN_RENAME",
90 	"PUFFS_VN_MKDIR",
91 	"PUFFS_VN_RMDIR",
92 	"PUFFS_VN_SYMLINK",
93 	"PUFFS_VN_READDIR",
94 	"PUFFS_VN_READLINK",
95 	"PUFFS_VN_ABORTOP",
96 	"PUFFS_VN_INACTIVE",
97 	"PUFFS_VN_RECLAIM",
98 	"PUFFS_VN_LOCK",
99 	"PUFFS_VN_UNLOCK",
100 	"PUFFS_VN_BMAP",
101 	"PUFFS_VN_STRATEGY",
102 	"PUFFS_VN_PRINT",
103 	"PUFFS_VN_ISLOCKED",
104 	"PUFFS_VN_PATHCONF",
105 	"PUFFS_VN_ADVLOCK",
106 	"PUFFS_VN_LEASE",
107 	"PUFFS_VN_WHITEOUT",
108 	"PUFFS_VN_GETPAGES",
109 	"PUFFS_VN_PUTPAGES",
110 	"PUFFS_VN_BWRITE",
111 	"PUFFS_VN_GETEXTATTR",
112 	"PUFFS_VN_LISTEXTATTR",
113 	"PUFFS_VN_OPENEXTATTR",
114 	"PUFFS_VN_DELETEEXTATTR",
115 	"PUFFS_VN_SETEXTATTR",
116 };
117 /* XXX! */
118 const char *cacheop_revmap[] = {
119 	"PUFFS_CACHE_WRITE"
120 };
121 /* XXX! */
122 const char *errnot_revmap[] = {
123 	"PUFFS_ERR_MAKENODE",
124 	"PUFFS_ERR_LOOKUP",
125 	"PUFFS_ERR_READDIR",
126 	"PUFFS_ERR_READLINK",
127 	"PUFFS_ERR_READ",
128 	"PUFFS_ERR_WRITE",
129 	"PUFFS_ERR_VPTOFH"
130 };
131 /* XXX! */
132 const char *flush_revmap[] = {
133 	"PUFFS_INVAL_NAMECACHE_NODE",
134 	"PUFFS_INVAL_NAMECACHE_DIR",
135 	"PUFFS_INVAL_NAMECACHE_ALL",
136 	"PUFFS_INVAL_PAGECACHE_NODE_RANGE",
137 	"PUFFS_FLUSH_PAGECACHE_NODE_RANGE",
138 };
139 
140 void
141 puffsdump_req(struct puffs_req *preq)
142 {
143 	static struct timeval tv_prev;
144 	struct timeval tv_now, tv;
145 	const char **map;
146 	int isvn = 0;
147 
148 	map = NULL; /* yes, we are all interested in your opinion, gcc */
149 	switch (PUFFSOP_OPCLASS(preq->preq_opclass)) {
150 	case PUFFSOP_VFS:
151 		map = vfsop_revmap;
152 		break;
153 	case PUFFSOP_VN:
154 		map = vnop_revmap;
155 		isvn = 1;
156 		break;
157 	case PUFFSOP_CACHE:
158 		map = cacheop_revmap;
159 		break;
160 	case PUFFSOP_ERROR:
161 		map = errnot_revmap;
162 		break;
163 	case PUFFSOP_FLUSH:
164 		map = flush_revmap;
165 		break;
166 	}
167 
168 	printf("\treqid: %" PRIu64 ", opclass %d%s, optype: %s, "
169 	    "cookie: %p,\n\t\taux: %p, auxlen: %zu, pid: %d, lwpid: %d\n",
170 	    preq->preq_id, PUFFSOP_OPCLASS(preq->preq_opclass),
171 	    PUFFSOP_WANTREPLY(preq->preq_opclass) ? "" : " (FAF)",
172 	    map[preq->preq_optype], preq->preq_cookie,
173 	    preq->preq_buf, preq->preq_buflen,
174 	    preq->preq_pid, preq->preq_lid);
175 
176 	if (isvn) {
177 		switch (preq->preq_optype) {
178 		case PUFFS_VN_LOOKUP:
179 			puffsdump_lookup(preq);
180 			break;
181 		case PUFFS_VN_READ:
182 		case PUFFS_VN_WRITE:
183 			puffsdump_readwrite(preq);
184 			break;
185 		case PUFFS_VN_OPEN:
186 			puffsdump_open(preq);
187 			break;
188 		case PUFFS_VN_REMOVE:
189 		case PUFFS_VN_RMDIR:
190 		case PUFFS_VN_LINK:
191 			puffsdump_targ(preq);
192 			break;
193 		case PUFFS_VN_READDIR:
194 			puffsdump_readdir(preq);
195 			break;
196 		default:
197 			break;
198 		}
199 	}
200 
201 	PU_LOCK();
202 	gettimeofday(&tv_now, NULL);
203 	timersub(&tv_now, &tv_prev, &tv);
204 	printf("\t\tsince previous call: %lld.%06ld\n",
205 	    (long long)tv.tv_sec, (long)tv.tv_usec);
206 	gettimeofday(&tv_prev, NULL);
207 	PU_UNLOCK();
208 }
209 
210 void
211 puffsdump_rv(struct puffs_req *preq)
212 {
213 
214 	if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) {
215 		switch (preq->preq_optype) {
216 		case PUFFS_VN_LOOKUP:
217 			puffsdump_lookup_rv(preq);
218 			break;
219 		case PUFFS_VN_CREATE:
220 		case PUFFS_VN_MKDIR:
221 		case PUFFS_VN_MKNOD:
222 		case PUFFS_VN_SYMLINK:
223 			puffsdump_create_rv(preq);
224 			break;
225 		case PUFFS_VN_READ:
226 		case PUFFS_VN_WRITE:
227 			puffsdump_readwrite_rv(preq);
228 			break;
229 		case PUFFS_VN_READDIR:
230 			puffsdump_readdir_rv(preq);
231 			break;
232 		default:
233 			break;
234 		}
235 	}
236 
237 	printf("\tRV reqid: %" PRIu64 ", result: %d %s\n",
238 	    preq->preq_id, preq->preq_rv,
239 	    preq->preq_rv ? strerror(preq->preq_rv) : "");
240 }
241 
242 void
243 puffsdump_cookie(puffs_cookie_t c, const char *cookiename)
244 {
245 
246 	printf("\t%scookie: at %p\n", cookiename, c);
247 }
248 
249 static const char *cn_opnames[] = {
250 	"LOOKUP",
251 	"CREATE",
252 	"DELETE",
253 	"RENAME"
254 };
255 
256 void
257 puffsdump_cn(struct puffs_kcn *pkcn)
258 {
259 
260 	printf("\t\tpuffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n",
261 	    pkcn->pkcn_name, pkcn->pkcn_namelen,
262 	    cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK],
263 	    pkcn->pkcn_flags);
264 }
265 
266 void
267 puffsdump_lookup(struct puffs_req *preq)
268 {
269 	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
270 
271 	puffsdump_cn(&lookup_msg->pvnr_cn);
272 }
273 
274 void
275 puffsdump_lookup_rv(struct puffs_req *preq)
276 {
277 	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
278 
279 	printf("\t\tnew node %p, type 0x%x,\n\t\tsize 0x%"PRIu64", dev 0x%llx\n",
280 	    lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype,
281 	    lookup_msg->pvnr_size, (unsigned long long)lookup_msg->pvnr_rdev);
282 }
283 
284 void
285 puffsdump_create_rv(struct puffs_req *preq)
286 {
287 	/* XXX: wrong type, but we know it fits the slot */
288 	struct puffs_vnmsg_create *create_msg = (void *)preq;
289 
290 	printf("\t\tnew node %p\n", create_msg->pvnr_newnode);
291 }
292 
293 void
294 puffsdump_readwrite(struct puffs_req *preq)
295 {
296 	struct puffs_vnmsg_rw *rw_msg = (void *)preq;
297 
298 	printf("\t\toffset: %" PRId64 ", resid %zu, ioflag 0x%x\n",
299 	    rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag);
300 }
301 
302 void
303 puffsdump_readwrite_rv(struct puffs_req *preq)
304 {
305 	struct puffs_vnmsg_rw *rw_msg = (void *)preq;
306 
307 	printf("\t\tresid after op: %zu\n", rw_msg->pvnr_resid);
308 }
309 
310 void
311 puffsdump_readdir_rv(struct puffs_req *preq)
312 {
313 	struct puffs_vnmsg_readdir *readdir_msg = (void *)preq;
314 
315 	printf("\t\tresid after op: %zu, eofflag %d\n",
316 	    readdir_msg->pvnr_resid, readdir_msg->pvnr_eofflag);
317 }
318 
319 void
320 puffsdump_open(struct puffs_req *preq)
321 {
322 	struct puffs_vnmsg_open *open_msg = (void *)preq;
323 
324 	printf("\t\tmode: 0x%x\n", open_msg->pvnr_mode);
325 }
326 
327 void
328 puffsdump_targ(struct puffs_req *preq)
329 {
330 	struct puffs_vnmsg_remove *remove_msg = (void *)preq; /* XXX! */
331 
332 	printf("\t\ttarget cookie: %p\n", remove_msg->pvnr_cookie_targ);
333 }
334 
335 void
336 puffsdump_readdir(struct puffs_req *preq)
337 {
338 	struct puffs_vnmsg_readdir *readdir_msg = (void *)preq;
339 
340 	printf("\t\tread offset: %" PRId64 "\n", readdir_msg->pvnr_offset);
341 }
342 
343 void
344 /*ARGSUSED*/
345 puffsdump_creds(struct puffs_cred *pcr)
346 {
347 
348 }
349 
350 void
351 puffsdump_int(int value, const char *name)
352 {
353 
354 	printf("\tint (%s): %d\n", name, value);
355 }
356