opdump.c revision 1.18 
1/*	$NetBSD: opdump.c,v 1.18 2007/11/16 14:59:14 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 1.18 2007/11/16 14:59:14 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
132void
133puffsdump_req(struct puffs_req *preq)
134{
135	static struct timeval tv_prev;
136	struct timeval tv_now, tv;
137	const char **map;
138	int isvn = 0;
139
140	map = NULL; /* yes, we are all interested in your opinion, gcc */
141	switch (PUFFSOP_OPCLASS(preq->preq_opclass)) {
142	case PUFFSOP_VFS:
143		map = vfsop_revmap;
144		break;
145	case PUFFSOP_VN:
146		map = vnop_revmap;
147		isvn = 1;
148		break;
149	case PUFFSOP_CACHE:
150		map = cacheop_revmap;
151		break;
152	case PUFFSOP_ERROR:
153		map = errnot_revmap;
154		break;
155	}
156
157	printf("\treqid: %" PRIu64 ", opclass %d%s, optype: %s, "
158	    "cookie: %p,\n\t\taux: %p, auxlen: %zu, pid: %d, lwpid: %d\n",
159	    preq->preq_id, PUFFSOP_OPCLASS(preq->preq_opclass),
160	    PUFFSOP_WANTREPLY(preq->preq_opclass) ? "" : " (FAF)",
161	    map[preq->preq_optype], preq->preq_cookie,
162	    preq->preq_buf, preq->preq_buflen,
163	    preq->preq_pid, preq->preq_lid);
164
165	if (isvn) {
166		switch (preq->preq_optype) {
167		case PUFFS_VN_LOOKUP:
168			puffsdump_lookup(preq);
169			break;
170		case PUFFS_VN_READ:
171		case PUFFS_VN_WRITE:
172			puffsdump_readwrite(preq);
173			break;
174		default:
175			break;
176		}
177	}
178
179	PU_LOCK();
180	gettimeofday(&tv_now, NULL);
181	timersub(&tv_now, &tv_prev, &tv);
182	printf("\t\tsince previous call: %ld.%06ld\n", tv.tv_sec, tv.tv_usec);
183	gettimeofday(&tv_prev, NULL);
184	PU_UNLOCK();
185}
186
187void
188puffsdump_rv(struct puffs_req *preq)
189{
190
191	if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) {
192		switch (preq->preq_optype) {
193		case PUFFS_VN_LOOKUP:
194			puffsdump_lookup_rv(preq);
195			break;
196		default:
197			break;
198		}
199	}
200
201	printf("\tRV reqid: %" PRIu64 ", result: %d %s\n",
202	    preq->preq_id, preq->preq_rv,
203	    preq->preq_rv ? strerror(preq->preq_rv) : "");
204}
205
206void
207puffsdump_cookie(void *c, const char *cookiename)
208{
209
210	printf("\t%scookie: at %p\n", cookiename, c);
211}
212
213static const char *cn_opnames[] = {
214	"LOOKUP",
215	"CREATE",
216	"DELETE",
217	"RENAME"
218};
219
220void
221puffsdump_cn(struct puffs_kcn *pkcn)
222{
223
224	printf("\t\tpuffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n",
225	    pkcn->pkcn_name, pkcn->pkcn_namelen,
226	    cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK],
227	    pkcn->pkcn_flags);
228}
229
230void
231puffsdump_lookup(struct puffs_req *preq)
232{
233	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
234
235	puffsdump_cn(&lookup_msg->pvnr_cn);
236}
237
238void
239puffsdump_lookup_rv(struct puffs_req *preq)
240{
241	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
242
243	printf("\t\tnew node %p, type 0x%x,\n\t\tsize 0x%"PRIu64", dev 0x%x\n",
244	    lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype,
245	    lookup_msg->pvnr_size, lookup_msg->pvnr_rdev);
246}
247
248void
249puffsdump_readwrite(struct puffs_req *preq)
250{
251	struct puffs_vnmsg_rw *rw_msg = (void *)preq;
252
253	printf("\t\toffset: %" PRId64 ", resid %zu, ioflag 0x%x\n",
254	    rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag);
255}
256
257void
258/*ARGSUSED*/
259puffsdump_creds(struct puffs_cred *pcr)
260{
261
262}
263
264void
265puffsdump_int(int value, const char *name)
266{
267
268	printf("\tint (%s): %d\n", name, value);
269}
270