opdump.c revision 1.20 
1/*	$NetBSD: opdump.c,v 1.20 2007/12/04 20:03:40 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 1.20 2007/12/04 20:03:40 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! */
51const 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! */
68const 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! */
118const char *cacheop_revmap[] = {
119	"PUFFS_CACHE_WRITE"
120};
121/* XXX! */
122const 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! */
132const 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
140void
141puffsdump_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		default:
189			break;
190		}
191	}
192
193	PU_LOCK();
194	gettimeofday(&tv_now, NULL);
195	timersub(&tv_now, &tv_prev, &tv);
196	printf("\t\tsince previous call: %ld.%06ld\n", tv.tv_sec, tv.tv_usec);
197	gettimeofday(&tv_prev, NULL);
198	PU_UNLOCK();
199}
200
201void
202puffsdump_rv(struct puffs_req *preq)
203{
204
205	if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) {
206		switch (preq->preq_optype) {
207		case PUFFS_VN_LOOKUP:
208			puffsdump_lookup_rv(preq);
209			break;
210		default:
211			break;
212		}
213	}
214
215	printf("\tRV reqid: %" PRIu64 ", result: %d %s\n",
216	    preq->preq_id, preq->preq_rv,
217	    preq->preq_rv ? strerror(preq->preq_rv) : "");
218}
219
220void
221puffsdump_cookie(void *c, const char *cookiename)
222{
223
224	printf("\t%scookie: at %p\n", cookiename, c);
225}
226
227static const char *cn_opnames[] = {
228	"LOOKUP",
229	"CREATE",
230	"DELETE",
231	"RENAME"
232};
233
234void
235puffsdump_cn(struct puffs_kcn *pkcn)
236{
237
238	printf("\t\tpuffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n",
239	    pkcn->pkcn_name, pkcn->pkcn_namelen,
240	    cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK],
241	    pkcn->pkcn_flags);
242}
243
244void
245puffsdump_lookup(struct puffs_req *preq)
246{
247	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
248
249	puffsdump_cn(&lookup_msg->pvnr_cn);
250}
251
252void
253puffsdump_lookup_rv(struct puffs_req *preq)
254{
255	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
256
257	printf("\t\tnew node %p, type 0x%x,\n\t\tsize 0x%"PRIu64", dev 0x%x\n",
258	    lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype,
259	    lookup_msg->pvnr_size, lookup_msg->pvnr_rdev);
260}
261
262void
263puffsdump_readwrite(struct puffs_req *preq)
264{
265	struct puffs_vnmsg_rw *rw_msg = (void *)preq;
266
267	printf("\t\toffset: %" PRId64 ", resid %zu, ioflag 0x%x\n",
268	    rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag);
269}
270
271void
272puffsdump_open(struct puffs_req *preq)
273{
274	struct puffs_vnmsg_open *open_msg = (void *)preq;
275
276	printf("\t\tmode: 0x%x\n", open_msg->pvnr_mode);
277}
278
279void
280/*ARGSUSED*/
281puffsdump_creds(struct puffs_cred *pcr)
282{
283
284}
285
286void
287puffsdump_int(int value, const char *name)
288{
289
290	printf("\tint (%s): %d\n", name, value);
291}
292