/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (c) 2004 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * 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 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 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.
+ * 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).
*
- * 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.
+ * 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
+ *
+ * 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 2008 Sun Microsystems, Inc. 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.
*/
#include <stdlib.h>
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
+#ifdef _AIX
+#include "syscall_AIX.h"
+#else
#include <syscall.h>
+#endif
#include <sys/utsname.h>
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#include "lutil.h"
-#if CRAY_PORTALS
-void portals_debug_dumplog(void){};
-#endif
-unsigned int portal_subsystem_debug = ~0 - (S_PORTALS | S_NAL);
-unsigned int portal_debug = 0;
+unsigned int libcfs_subsystem_debug = ~0 - (S_LNET | S_LND);
+unsigned int libcfs_debug = 0;
struct task_struct *current;
return ldlm_namespace_cleanup;
else if (!strcmp(arg, "ldlm_replay_locks"))
return ldlm_replay_locks;
+ else if (!strcmp(arg, "osc_quota_interface"))
+ return &osc_quota_interface;
+ else if (!strcmp(arg, "mdc_quota_interface"))
+ return &mdc_quota_interface;
+ else if (!strcmp(arg, "lov_quota_interface"))
+ return &lov_quota_interface;
else
return NULL;
}
/*
* random number generator stuff
*/
-#ifdef LIBLUSTRE_USE_URANDOM
-static int _rand_dev_fd = -1;
-#endif
#ifdef HAVE_GETHOSTBYNAME
static int get_ipv4_addr()
if (hptr == NULL ||
hptr->h_addrtype != AF_INET ||
*hptr->h_addr_list == NULL) {
- printf("LibLustre: Warning: fail to get local IPv4 address\n");
+ CWARN("Warning: fail to get local IPv4 address\n");
return 0;
}
void liblustre_init_random()
{
- int seed;
+ int seed[2];
struct timeval tv;
#ifdef LIBLUSTRE_USE_URANDOM
+ int _rand_dev_fd;
_rand_dev_fd = syscall(SYS_open, "/dev/urandom", O_RDONLY);
if (_rand_dev_fd >= 0) {
if (syscall(SYS_read, _rand_dev_fd,
- &seed, sizeof(int)) == sizeof(int)) {
- srand(seed);
+ &seed, sizeof(seed)) == sizeof(seed)) {
+ ll_srand(seed[0], seed[1]);
return;
}
syscall(SYS_close, _rand_dev_fd);
- _rand_dev_fd = -1;
}
#endif /* LIBLUSTRE_USE_URANDOM */
#ifdef HAVE_GETHOSTBYNAME
- seed = get_ipv4_addr();
+ seed[0] = get_ipv4_addr();
#else
- seed = _my_pnid;
+ seed[0] = _my_pnid;
#endif
gettimeofday(&tv, NULL);
- srand(tv.tv_sec + tv.tv_usec + getpid() + __swab32(seed));
-}
-
-void get_random_bytes(void *buf, int size)
-{
- char *p = buf;
- LASSERT(size >= 0);
-
-#ifdef LIBLUSTRE_USE_URANDOM
- if (_rand_dev_fd >= 0) {
- if (syscall(SYS_read, _rand_dev_fd, buf, size) == size)
- return;
- syscall(SYS_close, _rand_dev_fd);
- _rand_dev_fd = -1;
- }
-#endif
-
- while (size--)
- *p++ = rand();
+ ll_srand(tv.tv_sec ^ __swab32(seed[0]), tv.tv_usec ^__swab32(getpid()));
}
-static void init_capability(int *res)
+static void init_capability(__u32 *res)
{
#ifdef HAVE_LIBCAP
cap_t syscap;
syscap = cap_get_proc();
if (!syscap) {
- printf("Liblustre: Warning: failed to get system capability, "
- "set to minimal\n");
+ CWARN("Warning: failed to get system capability, "
+ "set to minimal\n");
return;
}
return 0;
}
-void generate_random_uuid(unsigned char uuid_out[16])
+void cfs_cap_raise(cfs_cap_t cap)
{
- get_random_bytes(uuid_out, sizeof(uuid_out));
+ current->cap_effective |= (1 << cap);
+}
+
+void cfs_cap_lower(cfs_cap_t cap)
+{
+ current->cap_effective &= ~(1 << cap);
+}
+
+int cfs_cap_raised(cfs_cap_t cap)
+{
+ return current->cap_effective & (1 << cap);
+}
+
+void cfs_kernel_cap_pack(cfs_kernel_cap_t kcap, cfs_cap_t *cap)
+{
+ *cap = kcap;
+}
+
+void cfs_kernel_cap_unpack(cfs_kernel_cap_t *kcap, cfs_cap_t cap)
+{
+ *kcap = cap;
+}
+
+cfs_cap_t cfs_curproc_cap_pack(void) {
+ cfs_cap_t cap;
+ cfs_kernel_cap_pack(cfs_current()->cap_effective, &cap);
+ return cap;
+}
+
+void cfs_curproc_cap_unpack(cfs_cap_t cap) {
+ cfs_kernel_cap_unpack(&cfs_current()->cap_effective, cap);
+}
+
+int cfs_capable(cfs_cap_t cap)
+{
+ return cfs_cap_raised(cap);
}
int init_lib_portals()
{
- int max_interfaces;
int rc;
ENTRY;
- rc = PtlInit(&max_interfaces);
- if (rc != PTL_OK) {
- CERROR("PtlInit failed: %d\n", rc);
+ rc = libcfs_debug_init(5 * 1024 * 1024);
+ if (rc != 0) {
+ CERROR("libcfs_debug_init() failed: %d\n", rc);
+ RETURN (-ENXIO);
+ }
+
+ rc = LNetInit();
+ if (rc != 0) {
+ CERROR("LNetInit() failed: %d\n", rc);
RETURN (-ENXIO);
}
RETURN(0);
extern void ptlrpc_exit_portals(void);
void cleanup_lib_portals()
{
+ libcfs_debug_cleanup();
ptlrpc_exit_portals();
}