1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 # define EXPORT_SYMTAB
25 #define DEBUG_SUBSYSTEM S_PORTALS
27 #include <linux/config.h>
28 #include <linux/module.h>
29 #include <linux/kernel.h>
31 #include <linux/string.h>
32 #include <linux/stat.h>
33 #include <linux/init.h>
34 #include <linux/errno.h>
35 #include <linux/smp_lock.h>
36 #include <linux/unistd.h>
38 #include <asm/system.h>
39 #include <asm/uaccess.h>
42 #include <linux/stat.h>
43 #include <asm/uaccess.h>
44 #include <asm/segment.h>
45 #include <linux/miscdevice.h>
47 #include <portals/lib-p30.h>
48 #include <portals/p30.h>
49 #include <portals/nal.h>
50 #include <linux/kp30.h>
51 #include <linux/kpr.h>
52 #include <linux/portals_compat25.h>
54 extern void (kping_client)(struct portal_ioctl_data *);
56 static int kportal_ioctl(struct portal_ioctl_data *data,
57 unsigned int cmd, unsigned long arg)
60 char str[PTL_NALFMT_SIZE];
64 case IOC_PORTAL_PING: {
65 void (*ping)(struct portal_ioctl_data *);
67 CDEBUG(D_IOCTL, "doing %d pings to nid "LPX64" (%s)\n",
68 data->ioc_count, data->ioc_nid,
69 portals_nid2str(data->ioc_nal, data->ioc_nid, str));
70 ping = PORTAL_SYMBOL_GET(kping_client);
72 CERROR("PORTAL_SYMBOL_GET failed\n");
75 PORTAL_SYMBOL_PUT(kping_client);
80 case IOC_PORTAL_GET_NID: {
84 CDEBUG (D_IOCTL, "Getting nid for nal [%x]\n", data->ioc_nal);
86 err = PtlNIInit(data->ioc_nal, LUSTRE_SRV_PTL_PID, NULL,
88 if (!(err == PTL_OK || err == PTL_IFACE_DUP))
91 err = PtlGetId (nih, &pid);
92 LASSERT (err == PTL_OK);
96 data->ioc_nid = pid.nid;
97 if (copy_to_user ((char *)arg, data, sizeof (*data)))
102 case IOC_PORTAL_FAIL_NID: {
105 CDEBUG (D_IOCTL, "fail nid: [%d] "LPU64" count %d\n",
106 data->ioc_nal, data->ioc_nid, data->ioc_count);
108 err = PtlNIInit(data->ioc_nal, LUSTRE_SRV_PTL_PID, NULL,
110 if (!(err == PTL_OK || err == PTL_IFACE_DUP))
114 /* There's no point in failing an interface that
115 * came into existance just for this */
118 err = PtlFailNid (nih, data->ioc_nid, data->ioc_count);
132 DECLARE_IOCTL_HANDLER(kportal_ioctl_handler, kportal_ioctl);
134 static int init_kportals_module(void)
141 CERROR("PtlInit: error %d\n", rc);
145 rc = libcfs_register_ioctl(&kportal_ioctl_handler);
151 static void exit_kportals_module(void)
155 rc = libcfs_deregister_ioctl(&kportal_ioctl_handler);
161 EXPORT_SYMBOL(ptl_register_nal);
162 EXPORT_SYMBOL(ptl_unregister_nal);
164 EXPORT_SYMBOL(ptl_err_str);
165 EXPORT_SYMBOL(PtlMEAttach);
166 EXPORT_SYMBOL(PtlMEInsert);
167 EXPORT_SYMBOL(PtlMEUnlink);
168 EXPORT_SYMBOL(PtlEQAlloc);
169 EXPORT_SYMBOL(PtlMDAttach);
170 EXPORT_SYMBOL(PtlMDUnlink);
171 EXPORT_SYMBOL(PtlNIInit);
172 EXPORT_SYMBOL(PtlNIFini);
173 EXPORT_SYMBOL(PtlInit);
174 EXPORT_SYMBOL(PtlFini);
175 EXPORT_SYMBOL(PtlSnprintHandle);
176 EXPORT_SYMBOL(PtlPut);
177 EXPORT_SYMBOL(PtlGet);
178 EXPORT_SYMBOL(PtlEQWait);
179 EXPORT_SYMBOL(PtlEQFree);
180 EXPORT_SYMBOL(PtlEQGet);
181 EXPORT_SYMBOL(PtlGetId);
182 EXPORT_SYMBOL(PtlMDBind);
183 EXPORT_SYMBOL(lib_iov_nob);
184 EXPORT_SYMBOL(lib_copy_iov2buf);
185 EXPORT_SYMBOL(lib_copy_buf2iov);
186 EXPORT_SYMBOL(lib_extract_iov);
187 EXPORT_SYMBOL(lib_kiov_nob);
188 EXPORT_SYMBOL(lib_copy_kiov2buf);
189 EXPORT_SYMBOL(lib_copy_buf2kiov);
190 EXPORT_SYMBOL(lib_extract_kiov);
191 EXPORT_SYMBOL(lib_finalize);
192 EXPORT_SYMBOL(lib_parse);
193 EXPORT_SYMBOL(lib_create_reply_msg);
194 EXPORT_SYMBOL(lib_init);
195 EXPORT_SYMBOL(lib_fini);
197 MODULE_AUTHOR("Peter J. Braam <braam@clusterfs.com>");
198 MODULE_DESCRIPTION("Portals v3.1");
199 MODULE_LICENSE("GPL");
200 module_init(init_kportals_module);
201 module_exit(exit_kportals_module);