opdump.c revision 1.13 
1/*	$NetBSD: opdump.c,v 1.13 2007/08/22 17:57:48 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 1.13 2007/08/22 17:57:48 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/* XXX! */
49const char *vfsop_revmap[] = {
50	"PUFFS_VFS_MOUNT",
51	"PUFFS_VFS_START",
52	"PUFFS_VFS_UNMOUNT",
53	"PUFFS_VFS_ROOT",
54	"PUFFS_VFS_STATVFS",
55	"PUFFS_VFS_SYNC",
56	"PUFFS_VFS_VGET",
57	"PUFFS_VFS_FHTOVP",
58	"PUFFS_VFS_VPTOFH",
59	"PUFFS_VFS_INIT",
60	"PUFFS_VFS_DONE",
61	"PUFFS_VFS_SNAPSHOT",
62	"PUFFS_VFS_EXTATTCTL",
63	"PUFFS_VFS_SUSPEND"
64};
65/* XXX! */
66const char *vnop_revmap[] = {
67	"PUFFS_VN_LOOKUP",
68	"PUFFS_VN_CREATE",
69	"PUFFS_VN_MKNOD",
70	"PUFFS_VN_OPEN",
71	"PUFFS_VN_CLOSE",
72	"PUFFS_VN_ACCESS",
73	"PUFFS_VN_GETATTR",
74	"PUFFS_VN_SETATTR",
75	"PUFFS_VN_READ",
76	"PUFFS_VN_WRITE",
77	"PUFFS_VN_IOCTL",
78	"PUFFS_VN_FCNTL",
79	"PUFFS_VN_POLL",
80	"PUFFS_VN_KQFILTER",
81	"PUFFS_VN_REVOKE",
82	"PUFFS_VN_MMAP",
83	"PUFFS_VN_FSYNC",
84	"PUFFS_VN_SEEK",
85	"PUFFS_VN_REMOVE",
86	"PUFFS_VN_LINK",
87	"PUFFS_VN_RENAME",
88	"PUFFS_VN_MKDIR",
89	"PUFFS_VN_RMDIR",
90	"PUFFS_VN_SYMLINK",
91	"PUFFS_VN_READDIR",
92	"PUFFS_VN_READLINK",
93	"PUFFS_VN_ABORTOP",
94	"PUFFS_VN_INACTIVE",
95	"PUFFS_VN_RECLAIM",
96	"PUFFS_VN_LOCK",
97	"PUFFS_VN_UNLOCK",
98	"PUFFS_VN_BMAP",
99	"PUFFS_VN_STRATEGY",
100	"PUFFS_VN_PRINT",
101	"PUFFS_VN_ISLOCKED",
102	"PUFFS_VN_PATHCONF",
103	"PUFFS_VN_ADVLOCK",
104	"PUFFS_VN_LEASE",
105	"PUFFS_VN_WHITEOUT",
106	"PUFFS_VN_GETPAGES",
107	"PUFFS_VN_PUTPAGES",
108	"PUFFS_VN_BWRITE",
109	"PUFFS_VN_GETEXTATTR",
110	"PUFFS_VN_LISTEXTATTR",
111	"PUFFS_VN_OPENEXTATTR",
112	"PUFFS_VN_DELETEEXTATTR",
113	"PUFFS_VN_SETEXTATTR",
114};
115const char *cacheop_revmap[] = {
116	"PUFFS_CACHE_WRITE"
117};
118
119void
120puffsdump_req(struct puffs_req *preq)
121{
122	static struct timeval tv_prev;
123	struct timeval tv_now, tv;
124	const char **map;
125	int isvn = 0;
126
127	map = NULL; /* yes, we are all interested in your opinion, gcc */
128	switch (PUFFSOP_OPCLASS(preq->preq_opclass)) {
129	case PUFFSOP_VFS:
130		map = vfsop_revmap;
131		break;
132	case PUFFSOP_VN:
133		map = vnop_revmap;
134		isvn = 1;
135		break;
136	case PUFFSOP_CACHE:
137		map = cacheop_revmap;
138		break;
139	}
140
141	printf("\treqid: %" PRIu64 ", opclass %d%s, optype: %s, "
142	    "cookie: %p,\n\t\taux: %p, auxlen: %zu\n",
143	    preq->preq_id, PUFFSOP_OPCLASS(preq->preq_opclass),
144	    PUFFSOP_WANTREPLY(preq->preq_opclass) ? "" : " (FAF)",
145	    map[preq->preq_optype], preq->preq_cookie,
146	    preq->preq_buf, preq->preq_buflen);
147
148	if (isvn) {
149		switch (preq->preq_optype) {
150		case PUFFS_VN_LOOKUP:
151			puffsdump_lookup(preq);
152			break;
153		case PUFFS_VN_READ:
154		case PUFFS_VN_WRITE:
155			puffsdump_readwrite(preq);
156			break;
157		default:
158			break;
159		}
160	}
161
162	gettimeofday(&tv_now, NULL);
163	timersub(&tv_now, &tv_prev, &tv);
164	printf("\t\tsince previous call: %ld.%06ld\n", tv.tv_sec, tv.tv_usec);
165	gettimeofday(&tv_prev, NULL);
166}
167
168void
169puffsdump_rv(struct puffs_req *preq)
170{
171
172	printf("\tRV reqid: %" PRIu64 ", result: %d %s\n",
173	    preq->preq_id, preq->preq_rv,
174	    preq->preq_rv ? strerror(preq->preq_rv) : "");
175
176#ifdef notyet
177	if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) {
178		switch (preq->preq_optype) {
179		case PUFFS_VN_LOOKUP:
180			puffsdump_lookup_rv(preq);
181			break;
182		default:
183			break;
184		}
185	}
186#endif
187}
188
189void
190puffsdump_cookie(void *c, const char *cookiename)
191{
192
193	printf("\t%scookie: at %p\n", cookiename, c);
194}
195
196static const char *cn_opnames[] = {
197	"LOOKUP",
198	"CREATE",
199	"DELETE",
200	"RENAME"
201};
202
203void
204puffsdump_cn(struct puffs_kcn *pkcn)
205{
206
207	printf("\t\tpuffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n",
208	    pkcn->pkcn_name, pkcn->pkcn_namelen,
209	    cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK],
210	    pkcn->pkcn_flags);
211}
212
213void
214puffsdump_lookup(struct puffs_req *preq)
215{
216	struct puffs_vnreq_lookup *lookup_vnreq = (void *)preq;
217
218	puffsdump_cn(&lookup_vnreq->pvnr_cn);
219}
220
221void
222puffsdump_lookup_rv(struct puffs_req *preq)
223{
224	struct puffs_vnreq_lookup *lookup_vnreq = (void *)preq;
225
226	printf("\t\tnew node %p, type 0x%x,\n\t\tsize 0x%"PRIu64", dev 0x%x\n",
227	    lookup_vnreq->pvnr_newnode, lookup_vnreq->pvnr_vtype,
228	    lookup_vnreq->pvnr_size, lookup_vnreq->pvnr_rdev);
229}
230
231void
232puffsdump_readwrite(struct puffs_req *preq)
233{
234	struct puffs_vnreq_readwrite *rw_vnreq = (void *)preq;
235
236	printf("\t\toffset: %" PRId64 ", resid %zu, ioflag 0x%x\n",
237	    rw_vnreq->pvnr_offset, rw_vnreq->pvnr_resid, rw_vnreq->pvnr_ioflag);
238}
239
240void
241/*ARGSUSED*/
242puffsdump_creds(struct puffs_cred *pcr)
243{
244
245}
246
247void
248puffsdump_int(int value, const char *name)
249{
250
251	printf("\tint (%s): %d\n", name, value);
252}
253