-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * 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.
*
- * Copyright (c) 2004 Cluster File Systems, Inc.
+ * 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).
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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
*
- * 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.
+ * 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.
*
- * 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.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
- * 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.
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#include <stdlib.h>
#include <signal.h>
#include <sys/types.h>
-#ifndef REDSTORM
#include <fcntl.h>
+#ifdef HAVE_NETDB_H
#include <netdb.h>
-#include <syscall.h>
+#endif
+#ifdef _AIX
+#include "syscall_AIX.h"
+#else
+#include <sys/syscall.h>
+#endif
#include <sys/utsname.h>
+#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
+#endif
#include <sys/socket.h>
+#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
-#else
-#include <sys/socket.h>
-#include <catamount/data.h>
#endif
#include "lutil.h"
-#ifdef CRAY_PORTALS
-void portals_debug_dumplog(void){};
-#endif
-unsigned int portal_subsystem_debug = ~0 - (S_PORTALS | S_QSWNAL | S_SOCKNAL |
- S_GMNAL | S_OPENIBNAL);
-unsigned int portal_debug = 0;
struct task_struct *current;
-ptl_handle_ni_t tcpnal_ni;
-ptl_nid_t tcpnal_mynid;
void *inter_module_get(char *arg)
{
- if (!strcmp(arg, "tcpnal_ni"))
- return &tcpnal_ni;
- else if (!strcmp(arg, "ldlm_cli_cancel_unused"))
+ if (!strcmp(arg, "ldlm_cli_cancel_unused"))
return ldlm_cli_cancel_unused;
else if (!strcmp(arg, "ldlm_namespace_cleanup"))
return ldlm_namespace_cleanup;
return NULL;
}
-char *portals_nid2str(int nal, ptl_nid_t nid, char *str)
-{
- if (nid == PTL_NID_ANY) {
- snprintf(str, PTL_NALFMT_SIZE - 1, "%s",
- "PTL_NID_ANY");
- return str;
- }
-
- switch(nal){
-#ifndef CRAY_PORTALS
- case TCPNAL:
- /* userspace NAL */
- case OPENIBNAL:
- case SOCKNAL:
- snprintf(str, PTL_NALFMT_SIZE - 1, "%u:%u.%u.%u.%u",
- (__u32)(nid >> 32), HIPQUAD(nid));
- break;
- case QSWNAL:
- case GMNAL:
- snprintf(str, PTL_NALFMT_SIZE - 1, "%u:%u",
- (__u32)(nid >> 32), (__u32)nid);
- break;
-#endif
- default:
- snprintf(str, PTL_NALFMT_SIZE - 1, "?%d? %llx",
- nal, (long long)nid);
- break;
- }
- return str;
-}
-
-char *portals_id2str(int nal, ptl_process_id_t id, char *str)
-{
- switch(nal){
-#ifndef CRAY_PORTALS
- case TCPNAL:
- /* userspace NAL */
- case OPENIBNAL:
- case SOCKNAL:
- snprintf(str, PTL_NALFMT_SIZE - 1, "%u:%u.%u.%u.%u,%u",
- (__u32)(id.nid >> 32), HIPQUAD((id.nid)) , id.pid);
- break;
- case QSWNAL:
- case GMNAL:
- snprintf(str, PTL_NALFMT_SIZE - 1, "%u:%u,%u",
- (__u32)(id.nid >> 32), (__u32)id.nid, id.pid);
- break;
-#endif
- default:
- snprintf(str, PTL_NALFMT_SIZE - 1, "?%d? %llx,%lx",
- nal, (long long)id.nid, (long)id.pid );
- break;
- }
- return str;
-}
-
-#ifndef REDSTORM
/*
* random number generator stuff
*/
-static int _rand_dev_fd = -1;
+#ifdef HAVE_GETHOSTBYNAME
static int get_ipv4_addr()
{
struct utsname myname;
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;
}
return ip;
}
+#endif
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);
+ if (syscall(SYS_read, _rand_dev_fd,
+ &seed, sizeof(seed)) == sizeof(seed)) {
+ cfs_srand(seed[0], seed[1]);
+ syscall(SYS_close, _rand_dev_fd);
return;
}
syscall(SYS_close, _rand_dev_fd);
- _rand_dev_fd = -1;
}
+#endif /* LIBLUSTRE_USE_URANDOM */
+#ifdef HAVE_GETHOSTBYNAME
+ seed[0] = get_ipv4_addr();
+#else
+ seed[0] = _my_pnid;
+#endif
gettimeofday(&tv, NULL);
- srand(tv.tv_sec + tv.tv_usec + getpid() + __swab32(get_ipv4_addr()));
+ cfs_srand(tv.tv_sec ^ __swab32(seed[0]), tv.tv_usec ^__swab32(getpid()));
}
-void get_random_bytes(void *buf, int size)
-{
- char *p = buf;
- LASSERT(size >= 0);
-
- 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;
- }
-
- while (size--)
- *p++ = rand();
-}
-
-static void init_capability(int *res)
+static void init_capability(__u32 *res)
{
+#ifdef HAVE_LIBCAP
cap_t syscap;
cap_flag_value_t capval;
int i;
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;
}
}
}
}
+#else
+ /*
+ * set fake cap flags to ship to linux server
+ * from client platforms that have none (eg. catamount)
+ * full capability for root
+ * no capability for anybody else
+ */
+#define FAKE_ROOT_CAP 0x1ffffeff
+#define FAKE_USER_CAP 0
+
+ *res = (current->fsuid == 0) ? FAKE_ROOT_CAP: FAKE_USER_CAP;
+#endif
}
-void liblustre_set_nal_nid()
-{
- pid_t pid;
- uint32_t ip;
- struct in_addr in;
-
- /* need to setup mynid before tcpnal initialization */
- /* a meaningful nid could help debugging */
- ip = get_ipv4_addr();
- if (ip == 0)
- get_random_bytes(&ip, sizeof(ip));
- pid = getpid() & 0xffffffff;
- tcpnal_mynid = ((uint64_t)ip << 32) | pid;
-
- in.s_addr = htonl(ip);
- printf("LibLustre: TCPNAL NID: %016llx (%s:%u)\n",
- tcpnal_mynid, inet_ntoa(in), pid);
-}
-
-#else /* REDSTORM */
-
-void liblustre_init_random()
-{
- struct timeval tv;
- UINT32 nodeid;
-
- gettimeofday(&tv, NULL);
- nodeid = _my_pnid;
- srand(tv.tv_sec + tv.tv_usec + getpid() + __swab32(nodeid));
-}
-
-void get_random_bytes(void *buf, int size)
-{
- char *p = buf;
- LASSERT(size >= 0);
-
- while (size--)
- *p++ = rand();
-}
-
-static void init_capability(int *res)
-{
- *res = 0;
-}
-
-void liblustre_set_nal_nid()
-{
- pid_t pid;
- uint32_t ip;
-
- ip = _my_pnid;
- if (ip & 0xFF)
- ip <<= 8;
- pid = getpid() & 0xFF;
- tcpnal_mynid = ip | pid;
- printf("LibLustre: NAL NID: %08x (%u)\n",
- tcpnal_mynid, pid);
-}
-
-#endif /* REDSOTRM */
-
int in_group_p(gid_t gid)
{
int i;
CERROR("Not enough memory\n");
return -ENOMEM;
}
- current->fs = ¤t->__fs;
- current->fs->umask = umask(0777);
- umask(current->fs->umask);
strncpy(current->comm, comm, sizeof(current->comm));
current->pid = getpid();
+ current->gid = getgid();
current->fsuid = geteuid();
current->fsgid = getegid();
memset(¤t->pending, 0, sizeof(current->pending));
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);
+}
+
+cfs_cap_t cfs_curproc_cap_pack(void) {
+ return current->cap_effective;
+}
+
+void cfs_curproc_cap_unpack(cfs_cap_t cap) {
+ 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();
}
-
-int
-libcfs_nal_cmd(struct portals_cfg *pcfg)
-{
- /* handle portals command if we want */
- return 0;
-}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff