NetBSD/lib/libpuffs/opdump.c

333 lines
7.7 KiB
C

/* $NetBSD: opdump.c,v 1.25 2008/12/28 22:45:05 christos Exp $ */
/*
* Copyright (c) 2005, 2006 Antti Kantee. All Rights Reserved.
*
* Development of this software was supported by the
* Google Summer of Code program and the Ulla Tuominen Foundation.
* The Google SoC project was mentored by Bill Studenmund.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* Pretty-printing helper routines for VFS/VOP request contents */
/* yes, this is pretty much a mess */
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: opdump.c,v 1.25 2008/12/28 22:45:05 christos Exp $");
#endif /* !lint */
#include <sys/types.h>
#include <sys/time.h>
#include <puffs.h>
#include <puffsdump.h>
#include <stdio.h>
#include "puffs_priv.h"
/* XXX! */
const char *vfsop_revmap[] = {
"PUFFS_VFS_MOUNT",
"PUFFS_VFS_START",
"PUFFS_VFS_UNMOUNT",
"PUFFS_VFS_ROOT",
"PUFFS_VFS_STATVFS",
"PUFFS_VFS_SYNC",
"PUFFS_VFS_VGET",
"PUFFS_VFS_FHTOVP",
"PUFFS_VFS_VPTOFH",
"PUFFS_VFS_INIT",
"PUFFS_VFS_DONE",
"PUFFS_VFS_SNAPSHOT",
"PUFFS_VFS_EXTATTCTL",
"PUFFS_VFS_SUSPEND"
};
/* XXX! */
const char *vnop_revmap[] = {
"PUFFS_VN_LOOKUP",
"PUFFS_VN_CREATE",
"PUFFS_VN_MKNOD",
"PUFFS_VN_OPEN",
"PUFFS_VN_CLOSE",
"PUFFS_VN_ACCESS",
"PUFFS_VN_GETATTR",
"PUFFS_VN_SETATTR",
"PUFFS_VN_READ",
"PUFFS_VN_WRITE",
"PUFFS_VN_IOCTL",
"PUFFS_VN_FCNTL",
"PUFFS_VN_POLL",
"PUFFS_VN_KQFILTER",
"PUFFS_VN_REVOKE",
"PUFFS_VN_MMAP",
"PUFFS_VN_FSYNC",
"PUFFS_VN_SEEK",
"PUFFS_VN_REMOVE",
"PUFFS_VN_LINK",
"PUFFS_VN_RENAME",
"PUFFS_VN_MKDIR",
"PUFFS_VN_RMDIR",
"PUFFS_VN_SYMLINK",
"PUFFS_VN_READDIR",
"PUFFS_VN_READLINK",
"PUFFS_VN_ABORTOP",
"PUFFS_VN_INACTIVE",
"PUFFS_VN_RECLAIM",
"PUFFS_VN_LOCK",
"PUFFS_VN_UNLOCK",
"PUFFS_VN_BMAP",
"PUFFS_VN_STRATEGY",
"PUFFS_VN_PRINT",
"PUFFS_VN_ISLOCKED",
"PUFFS_VN_PATHCONF",
"PUFFS_VN_ADVLOCK",
"PUFFS_VN_LEASE",
"PUFFS_VN_WHITEOUT",
"PUFFS_VN_GETPAGES",
"PUFFS_VN_PUTPAGES",
"PUFFS_VN_BWRITE",
"PUFFS_VN_GETEXTATTR",
"PUFFS_VN_LISTEXTATTR",
"PUFFS_VN_OPENEXTATTR",
"PUFFS_VN_DELETEEXTATTR",
"PUFFS_VN_SETEXTATTR",
};
/* XXX! */
const char *cacheop_revmap[] = {
"PUFFS_CACHE_WRITE"
};
/* XXX! */
const char *errnot_revmap[] = {
"PUFFS_ERR_MAKENODE",
"PUFFS_ERR_LOOKUP",
"PUFFS_ERR_READDIR",
"PUFFS_ERR_READLINK",
"PUFFS_ERR_READ",
"PUFFS_ERR_WRITE",
"PUFFS_ERR_VPTOFH"
};
/* XXX! */
const char *flush_revmap[] = {
"PUFFS_INVAL_NAMECACHE_NODE",
"PUFFS_INVAL_NAMECACHE_DIR",
"PUFFS_INVAL_NAMECACHE_ALL",
"PUFFS_INVAL_PAGECACHE_NODE_RANGE",
"PUFFS_FLUSH_PAGECACHE_NODE_RANGE",
};
void
puffsdump_req(struct puffs_req *preq)
{
static struct timeval tv_prev;
struct timeval tv_now, tv;
const char **map;
int isvn = 0;
map = NULL; /* yes, we are all interested in your opinion, gcc */
switch (PUFFSOP_OPCLASS(preq->preq_opclass)) {
case PUFFSOP_VFS:
map = vfsop_revmap;
break;
case PUFFSOP_VN:
map = vnop_revmap;
isvn = 1;
break;
case PUFFSOP_CACHE:
map = cacheop_revmap;
break;
case PUFFSOP_ERROR:
map = errnot_revmap;
break;
case PUFFSOP_FLUSH:
map = flush_revmap;
break;
}
printf("\treqid: %" PRIu64 ", opclass %d%s, optype: %s, "
"cookie: %p,\n\t\taux: %p, auxlen: %zu, pid: %d, lwpid: %d\n",
preq->preq_id, PUFFSOP_OPCLASS(preq->preq_opclass),
PUFFSOP_WANTREPLY(preq->preq_opclass) ? "" : " (FAF)",
map[preq->preq_optype], preq->preq_cookie,
preq->preq_buf, preq->preq_buflen,
preq->preq_pid, preq->preq_lid);
if (isvn) {
switch (preq->preq_optype) {
case PUFFS_VN_LOOKUP:
puffsdump_lookup(preq);
break;
case PUFFS_VN_READ:
case PUFFS_VN_WRITE:
puffsdump_readwrite(preq);
break;
case PUFFS_VN_OPEN:
puffsdump_open(preq);
break;
case PUFFS_VN_REMOVE:
case PUFFS_VN_RMDIR:
case PUFFS_VN_LINK:
puffsdump_targ(preq);
break;
default:
break;
}
}
PU_LOCK();
gettimeofday(&tv_now, NULL);
timersub(&tv_now, &tv_prev, &tv);
printf("\t\tsince previous call: %lld.%06ld\n",
(long long)tv.tv_sec, (long)tv.tv_usec);
gettimeofday(&tv_prev, NULL);
PU_UNLOCK();
}
void
puffsdump_rv(struct puffs_req *preq)
{
printf("\tRV reqid: %" PRIu64 ", result: %d %s\n",
preq->preq_id, preq->preq_rv,
preq->preq_rv ? strerror(preq->preq_rv) : "");
if (PUFFSOP_OPCLASS(preq->preq_opclass) == PUFFSOP_VN) {
switch (preq->preq_optype) {
case PUFFS_VN_LOOKUP:
puffsdump_lookup_rv(preq);
break;
case PUFFS_VN_CREATE:
case PUFFS_VN_MKDIR:
case PUFFS_VN_MKNOD:
case PUFFS_VN_SYMLINK:
puffsdump_create_rv(preq);
break;
case PUFFS_VN_READ:
case PUFFS_VN_WRITE:
puffsdump_readwrite_rv(preq);
break;
default:
break;
}
}
}
void
puffsdump_cookie(puffs_cookie_t c, const char *cookiename)
{
printf("\t%scookie: at %p\n", cookiename, c);
}
static const char *cn_opnames[] = {
"LOOKUP",
"CREATE",
"DELETE",
"RENAME"
};
void
puffsdump_cn(struct puffs_kcn *pkcn)
{
printf("\t\tpuffs_cn: \"%s\", len %zu op %s (flags 0x%x)\n",
pkcn->pkcn_name, pkcn->pkcn_namelen,
cn_opnames[pkcn->pkcn_nameiop & NAMEI_OPMASK],
pkcn->pkcn_flags);
}
void
puffsdump_lookup(struct puffs_req *preq)
{
struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
puffsdump_cn(&lookup_msg->pvnr_cn);
}
void
puffsdump_lookup_rv(struct puffs_req *preq)
{
struct puffs_vnmsg_lookup *lookup_msg = (void *)preq;
printf("\t\tnew node %p, type 0x%x,\n\t\tsize 0x%"PRIu64", dev 0x%llx\n",
lookup_msg->pvnr_newnode, lookup_msg->pvnr_vtype,
lookup_msg->pvnr_size, (unsigned long long)lookup_msg->pvnr_rdev);
}
void
puffsdump_create_rv(struct puffs_req *preq)
{
/* XXX: wrong type, but we know it fits the slot */
struct puffs_vnmsg_create *create_msg = (void *)preq;
printf("\t\tnew node %p\n", create_msg->pvnr_newnode);
}
void
puffsdump_readwrite(struct puffs_req *preq)
{
struct puffs_vnmsg_rw *rw_msg = (void *)preq;
printf("\t\toffset: %" PRId64 ", resid %zu, ioflag 0x%x\n",
rw_msg->pvnr_offset, rw_msg->pvnr_resid, rw_msg->pvnr_ioflag);
}
void
puffsdump_readwrite_rv(struct puffs_req *preq)
{
struct puffs_vnmsg_rw *rw_msg = (void *)preq;
printf("\t\tresid after op: %zu\n", rw_msg->pvnr_resid);
}
void
puffsdump_open(struct puffs_req *preq)
{
struct puffs_vnmsg_open *open_msg = (void *)preq;
printf("\t\tmode: 0x%x\n", open_msg->pvnr_mode);
}
void
puffsdump_targ(struct puffs_req *preq)
{
struct puffs_vnmsg_remove *remove_msg = (void *)preq; /* XXX! */
printf("\t\ttarget cookie: %p\n", remove_msg->pvnr_cookie_targ);
}
void
/*ARGSUSED*/
puffsdump_creds(struct puffs_cred *pcr)
{
}
void
puffsdump_int(int value, const char *name)
{
printf("\tint (%s): %d\n", name, value);
}