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opdump.c revision 1.22 
      1 /*	$NetBSD: opdump.c,v 1.22 2007/12/25 20:36:53 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 1.22 2007/12/25 20:36:53 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 		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 
    201 void
    202 puffsdump_rv(struct puffs_req *preq)
    203 {
    204 
    205 	printf("\tRV reqid: %" PRIu64 ", result: %d %s\n",
    206 	    preq->preq_id, preq->preq_rv,
    207 	    preq->preq_rv ? strerror(preq->preq_rv) : "");
    208 
    209 	if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) {
    210 		switch (preq->preq_optype) {
    211 		case PUFFS_VN_LOOKUP:
    212 			puffsdump_lookup_rv(preq);
    213 			break;
    214 		case PUFFS_VN_CREATE:
    215 		case PUFFS_VN_MKDIR:
    216 		case PUFFS_VN_MKNOD:
    217 		case PUFFS_VN_SYMLINK:
    218 			puffsdump_create_rv(preq);
    219 			break;
    220 		case PUFFS_VN_READ:
    221 		case PUFFS_VN_WRITE:
    222 			puffsdump_readwrite_rv(preq);
    223 			break;
    224 		default:
    225 			break;
    226 		}
    227 	}
    228 }
    229 
    230 void
    231 puffsdump_cookie(void *c, const char *cookiename)
    232 {
    233 
    234 	printf("\t%scookie: at %p\n", cookiename, c);
    235 }
    236 
    237 static const char *cn_opnames[] = {
    238 	"LOOKUP",
    239 	"CREATE",
    240 	"DELETE",
    241 	"RENAME"
    242 };
    243 
    244 void
    245 puffsdump_cn(struct puffs_kcn *pkcn)
    246 {
    247 
    248 	printf("\t\tpuffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n",
    249 	    pkcn->pkcn_name, pkcn->pkcn_namelen,
    250 	    cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK],
    251 	    pkcn->pkcn_flags);
    252 }
    253 
    254 void
    255 puffsdump_lookup(struct puffs_req *preq)
    256 {
    257 	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
    258 
    259 	puffsdump_cn(&lookup_msg->pvnr_cn);
    260 }
    261 
    262 void
    263 puffsdump_lookup_rv(struct puffs_req *preq)
    264 {
    265 	struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
    266 
    267 	printf("\t\tnew node %p, type 0x%x,\n\t\tsize 0x%"PRIu64", dev 0x%x\n",
    268 	    lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype,
    269 	    lookup_msg->pvnr_size, lookup_msg->pvnr_rdev);
    270 }
    271 
    272 void
    273 puffsdump_create_rv(struct puffs_req *preq)
    274 {
    275 	/* XXX: wrong type, but we know it fits the slot */
    276 	struct puffs_vnmsg_create *create_msg = (void *)preq;
    277 
    278 	printf("\t\tnew node %p\n", create_msg->pvnr_newnode);
    279 }
    280 
    281 void
    282 puffsdump_readwrite(struct puffs_req *preq)
    283 {
    284 	struct puffs_vnmsg_rw *rw_msg = (void *)preq;
    285 
    286 	printf("\t\toffset: %" PRId64 ", resid %zu, ioflag 0x%x\n",
    287 	    rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag);
    288 }
    289 
    290 void
    291 puffsdump_readwrite_rv(struct puffs_req *preq)
    292 {
    293 	struct puffs_vnmsg_rw *rw_msg = (void *)preq;
    294 
    295 	printf("\t\tresid after op: %zu\n", rw_msg->pvnr_resid);
    296 }
    297 
    298 void
    299 puffsdump_open(struct puffs_req *preq)
    300 {
    301 	struct puffs_vnmsg_open *open_msg = (void *)preq;
    302 
    303 	printf("\t\tmode: 0x%x\n", open_msg->pvnr_mode);
    304 }
    305 
    306 void
    307 /*ARGSUSED*/
    308 puffsdump_creds(struct puffs_cred *pcr)
    309 {
    310 
    311 }
    312 
    313 void
    314 puffsdump_int(int value, const char *name)
    315 {
    316 
    317 	printf("\tint (%s): %d\n", name, value);
    318 }
    319