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opdump.c revision 1.15
      1 /*	$NetBSD: opdump.c,v 1.15 2007/10/11 19:41:15 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 1.15 2007/10/11 19:41:15 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! */
     49 const 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! */
     66 const 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 };
    115 /* XXX! */
    116 const char *cacheop_revmap[] = {
    117 	"PUFFS_CACHE_WRITE"
    118 };
    119 /* XXX! */
    120 const char *errnot_revmap[] = {
    121 	"PUFFS_ERR_MAKENODE",
    122 	"PUFFS_ERR_LOOKUP",
    123 	"PUFFS_ERR_READDIR",
    124 	"PUFFS_ERR_READLINK",
    125 	"PUFFS_ERR_READ",
    126 	"PUFFS_ERR_WRITE",
    127 	"PUFFS_ERR_VPTOFH"
    128 };
    129 
    130 void
    131 puffsdump_req(struct puffs_req *preq)
    132 {
    133 	static struct timeval tv_prev;
    134 	struct timeval tv_now, tv;
    135 	const char **map;
    136 	int isvn = 0;
    137 
    138 	map = NULL; /* yes, we are all interested in your opinion, gcc */
    139 	switch (PUFFSOP_OPCLASS(preq->preq_opclass)) {
    140 	case PUFFSOP_VFS:
    141 		map = vfsop_revmap;
    142 		break;
    143 	case PUFFSOP_VN:
    144 		map = vnop_revmap;
    145 		isvn = 1;
    146 		break;
    147 	case PUFFSOP_CACHE:
    148 		map = cacheop_revmap;
    149 		break;
    150 	case PUFFSOP_ERROR:
    151 		map = errnot_revmap;
    152 		break;
    153 	}
    154 
    155 	printf("\treqid: %" PRIu64 ", opclass %d%s, optype: %s, "
    156 	    "cookie: %p,\n\t\taux: %p, auxlen: %zu\n",
    157 	    preq->preq_id, PUFFSOP_OPCLASS(preq->preq_opclass),
    158 	    PUFFSOP_WANTREPLY(preq->preq_opclass) ? "" : " (FAF)",
    159 	    map[preq->preq_optype], preq->preq_cookie,
    160 	    preq->preq_buf, preq->preq_buflen);
    161 
    162 	if (isvn) {
    163 		switch (preq->preq_optype) {
    164 		case PUFFS_VN_LOOKUP:
    165 			puffsdump_lookup(preq);
    166 			break;
    167 		case PUFFS_VN_READ:
    168 		case PUFFS_VN_WRITE:
    169 			puffsdump_readwrite(preq);
    170 			break;
    171 		default:
    172 			break;
    173 		}
    174 	}
    175 
    176 	gettimeofday(&tv_now, NULL);
    177 	timersub(&tv_now, &tv_prev, &tv);
    178 	printf("\t\tsince previous call: %ld.%06ld\n", tv.tv_sec, tv.tv_usec);
    179 	gettimeofday(&tv_prev, NULL);
    180 }
    181 
    182 void
    183 puffsdump_rv(struct puffs_req *preq)
    184 {
    185 
    186 	printf("\tRV reqid: %" PRIu64 ", result: %d %s\n",
    187 	    preq->preq_id, preq->preq_rv,
    188 	    preq->preq_rv ? strerror(preq->preq_rv) : "");
    189 
    190 #ifdef notyet
    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 #endif
    201 }
    202 
    203 void
    204 puffsdump_cookie(void *c, const char *cookiename)
    205 {
    206 
    207 	printf("\t%scookie: at %p\n", cookiename, c);
    208 }
    209 
    210 static const char *cn_opnames[] = {
    211 	"LOOKUP",
    212 	"CREATE",
    213 	"DELETE",
    214 	"RENAME"
    215 };
    216 
    217 void
    218 puffsdump_cn(struct puffs_kcn *pkcn)
    219 {
    220 
    221 	printf("\t\tpuffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n",
    222 	    pkcn->pkcn_name, pkcn->pkcn_namelen,
    223 	    cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK],
    224 	    pkcn->pkcn_flags);
    225 }
    226 
    227 void
    228 puffsdump_lookup(struct puffs_req *preq)
    229 {
    230 	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
    231 
    232 	puffsdump_cn(&lookup_msg->pvnr_cn);
    233 }
    234 
    235 void
    236 puffsdump_lookup_rv(struct puffs_req *preq)
    237 {
    238 	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
    239 
    240 	printf("\t\tnew node %p, type 0x%x,\n\t\tsize 0x%"PRIu64", dev 0x%x\n",
    241 	    lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype,
    242 	    lookup_msg->pvnr_size, lookup_msg->pvnr_rdev);
    243 }
    244 
    245 void
    246 puffsdump_readwrite(struct puffs_req *preq)
    247 {
    248 	struct puffs_vnmsg_rw *rw_msg = (void *)preq;
    249 
    250 	printf("\t\toffset: %" PRId64 ", resid %zu, ioflag 0x%x\n",
    251 	    rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag);
    252 }
    253 
    254 void
    255 /*ARGSUSED*/
    256 puffsdump_creds(struct puffs_cred *pcr)
    257 {
    258 
    259 }
    260 
    261 void
    262 puffsdump_int(int value, const char *name)
    263 {
    264 
    265 	printf("\tint (%s): %d\n", name, value);
    266 }
    267