-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program 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 GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre 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
- * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_LNET
#include <libcfs/libcfs.h>
+#include <libcfs/libcfs_crypto.h>
#include <lnet/lib-lnet.h>
#include <lnet/lnet.h>
#include "tracefile.h"
}
static struct rw_semaphore ioctl_list_sem;
-static struct list_head ioctl_list;
+static cfs_list_t ioctl_list;
int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand)
{
int rc = 0;
- down_write(&ioctl_list_sem);
- if (!list_empty(&hand->item))
+ down_write(&ioctl_list_sem);
+ if (!cfs_list_empty(&hand->item))
rc = -EBUSY;
else
- list_add_tail(&hand->item, &ioctl_list);
- up_write(&ioctl_list_sem);
+ cfs_list_add_tail(&hand->item, &ioctl_list);
+ up_write(&ioctl_list_sem);
return rc;
}
{
int rc = 0;
- down_write(&ioctl_list_sem);
- if (list_empty(&hand->item))
+ down_write(&ioctl_list_sem);
+ if (cfs_list_empty(&hand->item))
rc = -ENOENT;
else
- list_del_init(&hand->item);
- up_write(&ioctl_list_sem);
+ cfs_list_del_init(&hand->item);
+ up_write(&ioctl_list_sem);
return rc;
}
EXPORT_SYMBOL(libcfs_deregister_ioctl);
-static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, void *arg)
+static int libcfs_ioctl_int(struct cfs_psdev_file *pfile,unsigned long cmd,
+ void *arg, struct libcfs_ioctl_data *data)
{
- char buf[1024];
int err = -EINVAL;
- struct libcfs_ioctl_data *data;
ENTRY;
- /* 'cmd' and permissions get checked in our arch-specific caller */
-
- if (libcfs_ioctl_getdata(buf, buf + 800, (void *)arg)) {
- CERROR("PORTALS ioctl: data error\n");
- RETURN(-EINVAL);
- }
- data = (struct libcfs_ioctl_data *)buf;
-
switch (cmd) {
case IOC_LIBCFS_CLEAR_DEBUG:
libcfs_debug_clear_buffer();
break;
case IOC_LIBCFS_LWT_SNAPSHOT: {
- cycles_t now;
- int ncpu;
- int total_size;
+ cfs_cycles_t now;
+ int ncpu;
+ int total_size;
err = lwt_snapshot (&now, &ncpu, &total_size,
data->ioc_pbuf1, data->ioc_plen1);
default: {
struct libcfs_ioctl_handler *hand;
err = -EINVAL;
- down_read(&ioctl_list_sem);
- list_for_each_entry(hand, &ioctl_list, item) {
+ down_read(&ioctl_list_sem);
+ cfs_list_for_each_entry_typed(hand, &ioctl_list,
+ struct libcfs_ioctl_handler, item) {
err = hand->handle_ioctl(cmd, data);
if (err != -EINVAL) {
if (err == 0)
break;
}
}
- up_read(&ioctl_list_sem);
+ up_read(&ioctl_list_sem);
break;
}
}
RETURN(err);
}
+static int libcfs_ioctl(struct cfs_psdev_file *pfile, unsigned long cmd, void *arg)
+{
+ char *buf;
+ struct libcfs_ioctl_data *data;
+ int err = 0;
+ ENTRY;
+
+ LIBCFS_ALLOC_GFP(buf, 1024, CFS_ALLOC_STD);
+ if (buf == NULL)
+ RETURN(-ENOMEM);
+
+ /* 'cmd' and permissions get checked in our arch-specific caller */
+ if (libcfs_ioctl_getdata(buf, buf + 800, (void *)arg)) {
+ CERROR("PORTALS ioctl: data error\n");
+ GOTO(out, err = -EINVAL);
+ }
+ data = (struct libcfs_ioctl_data *)buf;
+
+ err = libcfs_ioctl_int(pfile, cmd, arg, data);
+
+out:
+ LIBCFS_FREE(buf, 1024);
+ RETURN(err);
+}
+
+
struct cfs_psdev_ops libcfs_psdev_ops = {
libcfs_psdev_open,
libcfs_psdev_release,
MODULE_LICENSE("GPL");
extern cfs_psdev_t libcfs_dev;
-extern struct rw_semaphore tracefile_sem;
-extern struct semaphore trace_thread_sem;
+extern struct rw_semaphore cfs_tracefile_sem;
+extern struct mutex cfs_trace_thread_mutex;
+extern struct cfs_wi_sched *cfs_sched_rehash;
extern void libcfs_init_nidstrings(void);
extern int libcfs_arch_init(void);
static int init_libcfs_module(void)
{
- int rc;
-
- libcfs_arch_init();
- libcfs_init_nidstrings();
- init_rwsem(&tracefile_sem);
- init_mutex(&trace_thread_sem);
- init_rwsem(&ioctl_list_sem);
- CFS_INIT_LIST_HEAD(&ioctl_list);
-
- rc = libcfs_debug_init(5 * 1024 * 1024);
- if (rc < 0) {
- printk(KERN_ERR "LustreError: libcfs_debug_init: %d\n", rc);
- return (rc);
- }
+ int rc;
+
+ libcfs_arch_init();
+ libcfs_init_nidstrings();
+ init_rwsem(&cfs_tracefile_sem);
+ mutex_init(&cfs_trace_thread_mutex);
+ init_rwsem(&ioctl_list_sem);
+ CFS_INIT_LIST_HEAD(&ioctl_list);
+ cfs_waitq_init(&cfs_race_waitq);
+
+ rc = libcfs_debug_init(5 * 1024 * 1024);
+ if (rc < 0) {
+ printk(CFS_KERN_ERR "LustreError: libcfs_debug_init: %d\n", rc);
+ return (rc);
+ }
+
+ rc = cfs_cpu_init();
+ if (rc != 0)
+ goto cleanup_debug;
#if LWT_SUPPORT
- rc = lwt_init();
- if (rc != 0) {
- CERROR("lwt_init: error %d\n", rc);
- goto cleanup_debug;
- }
+ rc = lwt_init();
+ if (rc != 0) {
+ CERROR("lwt_init: error %d\n", rc);
+ goto cleanup_debug;
+ }
#endif
- rc = cfs_psdev_register(&libcfs_dev);
- if (rc) {
- CERROR("misc_register: error %d\n", rc);
- goto cleanup_lwt;
- }
-
- rc = insert_proc();
- if (rc) {
- CERROR("insert_proc: error %d\n", rc);
- goto cleanup_deregister;
- }
-
- CDEBUG (D_OTHER, "portals setup OK\n");
- return (0);
-
+ rc = cfs_psdev_register(&libcfs_dev);
+ if (rc) {
+ CERROR("misc_register: error %d\n", rc);
+ goto cleanup_lwt;
+ }
+
+ rc = cfs_wi_startup();
+ if (rc) {
+ CERROR("initialize workitem: error %d\n", rc);
+ goto cleanup_deregister;
+ }
+
+ /* max to 4 threads, should be enough for rehash */
+ rc = min(cfs_cpt_weight(cfs_cpt_table, CFS_CPT_ANY), 4);
+ rc = cfs_wi_sched_create("cfs_rh", cfs_cpt_table, CFS_CPT_ANY,
+ rc, &cfs_sched_rehash);
+ if (rc != 0) {
+ CERROR("Startup workitem scheduler: error: %d\n", rc);
+ goto cleanup_deregister;
+ }
+
+ rc = cfs_crypto_register();
+ if (rc) {
+ CERROR("cfs_crypto_regster: error %d\n", rc);
+ goto cleanup_wi;
+ }
+
+
+ rc = insert_proc();
+ if (rc) {
+ CERROR("insert_proc: error %d\n", rc);
+ goto cleanup_crypto;
+ }
+
+ CDEBUG (D_OTHER, "portals setup OK\n");
+ return 0;
+ cleanup_crypto:
+ cfs_crypto_unregister();
+ cleanup_wi:
+ cfs_wi_shutdown();
cleanup_deregister:
- cfs_psdev_deregister(&libcfs_dev);
+ cfs_psdev_deregister(&libcfs_dev);
cleanup_lwt:
#if LWT_SUPPORT
- lwt_fini();
- cleanup_debug:
+ lwt_fini();
#endif
- libcfs_debug_cleanup();
- return rc;
+ cleanup_debug:
+ libcfs_debug_cleanup();
+ return rc;
}
static void exit_libcfs_module(void)
{
- int rc;
+ int rc;
+
+ remove_proc();
+
+ CDEBUG(D_MALLOC, "before Portals cleanup: kmem %d\n",
+ cfs_atomic_read(&libcfs_kmemory));
- remove_proc();
+ if (cfs_sched_rehash != NULL) {
+ cfs_wi_sched_destroy(cfs_sched_rehash);
+ cfs_sched_rehash = NULL;
+ }
- CDEBUG(D_MALLOC, "before Portals cleanup: kmem %d\n",
- atomic_read(&libcfs_kmemory));
+ cfs_crypto_unregister();
+ cfs_wi_shutdown();
- rc = cfs_psdev_deregister(&libcfs_dev);
- if (rc)
- CERROR("misc_deregister error %d\n", rc);
+ rc = cfs_psdev_deregister(&libcfs_dev);
+ if (rc)
+ CERROR("misc_deregister error %d\n", rc);
#if LWT_SUPPORT
- lwt_fini();
+ lwt_fini();
#endif
+ cfs_cpu_fini();
+
+ if (cfs_atomic_read(&libcfs_kmemory) != 0)
+ CERROR("Portals memory leaked: %d bytes\n",
+ cfs_atomic_read(&libcfs_kmemory));
+
+ rc = libcfs_debug_cleanup();
+ if (rc)
+ printk(CFS_KERN_ERR "LustreError: libcfs_debug_cleanup: %d\n",
+ rc);
- if (atomic_read(&libcfs_kmemory) != 0)
- CERROR("Portals memory leaked: %d bytes\n",
- atomic_read(&libcfs_kmemory));
+ fini_rwsem(&ioctl_list_sem);
+ fini_rwsem(&cfs_tracefile_sem);
- rc = libcfs_debug_cleanup();
- if (rc)
- printk(KERN_ERR "LustreError: libcfs_debug_cleanup: %d\n", rc);
- libcfs_arch_cleanup();
+ libcfs_arch_cleanup();
}
cfs_module(libcfs, "1.0.0", init_libcfs_module, exit_libcfs_module);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff