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/*
* Copyright (c) 1997-2000 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
#include <oskit/startup.h>
#include <oskit/dev/dev.h>
#include <oskit/dev/linux.h>
#include <oskit/fs/netbsd.h>
#include <oskit/fs/filesystem.h>
#include <oskit/fs/file.h>
#include <oskit/fs/dir.h>
#include <oskit/io/blkio.h>
#include <oskit/diskpart/diskpart.h>
#include <oskit/principal.h>
#include <oskit/boolean.h>
#include <oskit/clientos.h>
#include <oskit/c/stdio.h>
#include <oskit/c/stdlib.h>
#include <oskit/c/unistd.h>
#include <oskit/c/fs.h>
#include <oskit/c/fd.h>
#ifdef PTHREADS
#include <oskit/com/wrapper.h>
#include <oskit/threads/pthread.h>
#define fs_netbsd_init fs_netbsd_threaded_init
#define start_fs start_fs_pthreads
#define start_fs_on_blkio start_fs_on_blkio_pthreads
#else
#define osenv_process_lock()
#define osenv_process_unlock()
#endif
extern int oskit_usermode_simulation;
/*
* Return error and let caller supply 0 default.
*/
oskit_error_t
oskit_get_call_context(const struct oskit_guid *iid, void **out_if)
{
*out_if = 0;
return OSKIT_E_NOINTERFACE;
}
/*
* Must release the filesystem namespace upon exit so that everything
* gets cleared away. With all the references cleared, the actual
* filesystem can by sync'ed to disk, and then it can be released!
*/
static void
start_fs_cleanup(void *arg)
{
oskit_filesystem_t *fs = arg;
int count;
oskit_clientos_setfsnamespace(NULL);
printf("Syncing disks ... ");
oskit_filesystem_sync(fs, 1);
printf("Done!\n");
if ((count = oskit_filesystem_release(fs)) != 0) {
printf("WARNING: "
"start_fs_cleanup: filesystem not RELEASED(%d)!\n", count);
}
}
void
start_fs_on_blkio(oskit_blkio_t *part)
{
oskit_dir_t *root;
oskit_filesystem_t *fs;
oskit_fsnamespace_t *fsn;
int rc;
osenv_process_lock();
/* initialize the file system code */
rc = fs_netbsd_init(start_osenv());
if (rc)
{
printf("fs_netbsd_init() failed: errno 0x%x\n", rc);
exit(rc);
}
/* mount a filesystem */
rc = fs_netbsd_mount(part, 0, &fs);
if (rc)
{
printf("fs_netbsd_mount() failed: errno 0x%x\n", rc);
exit(rc);
}
if (!oskit_usermode_simulation) {
/* Don't need the part anymore, the filesystem has a ref. */
oskit_blkio_release(part);
}
#ifdef PTHREADS
{
oskit_filesystem_t *wrappedfs;
/* Wrap it up! */
rc = oskit_wrap_filesystem(fs,
(void (*)(void *))osenv_process_lock,
(void (*)(void *))osenv_process_unlock,
0, &wrappedfs);
if (rc)
{
printf("oskit_wrap_filesystem() failed: errno 0x%x\n", rc);
exit(rc);
}
/* Don't need the fs anymore, the wrapper has a ref. */
oskit_filesystem_release(fs);
fs = wrappedfs;
osenv_process_unlock();
/*
* oskit_filesystem_getroot will return a wrapped root dir.
*/
}
#endif
rc = oskit_filesystem_getroot(fs, &root);
if (rc)
{
printf("oskit_filesystem_getroot() failed: errno 0x%x\n", rc);
exit(rc);
}
/* Create the initial filesystem namespace from the root directory */
rc = oskit_create_fsnamespace(root, root, &fsn);
if (rc)
{
printf("oskit_create_fsnamespace() failed: errbo 0x%x\n", rc);
exit(rc);
}
/* Don't need the root anymore, fsnamespace took a couple of refs. */
oskit_dir_release(root);
/* Initialize the filesystem namespace for the program. */
oskit_clientos_setfsnamespace(fsn);
/* And release our reference since the clientos took one. */
oskit_fsnamespace_release(fsn);
/* Set up to clear out the clientos fsname handle at exit. */
startup_atexit(start_fs_cleanup, fs);
}
void
start_fs(const char *diskname, const char *partname)
{
int rc;
oskit_blkio_t *part;
osenv_process_lock();
rc = start_disk(diskname, partname, 0, &part);
osenv_process_unlock();
if (rc) {
printf("start_disk() failed: ernno 0x%x\n", rc);
exit(rc);
}
start_fs_on_blkio(part);
}
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