1 /* main.c: Rx RPC interface
3 * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <linux/module.h>
13 #include <linux/init.h>
14 #include <linux/sched.h>
15 #include <rxrpc/rxrpc.h>
16 #include <rxrpc/krxiod.h>
17 #include <rxrpc/krxsecd.h>
18 #include <rxrpc/krxtimod.h>
19 #include <rxrpc/transport.h>
20 #include <rxrpc/connection.h>
21 #include <rxrpc/call.h>
22 #include <rxrpc/message.h>
25 MODULE_DESCRIPTION("Rx RPC implementation");
26 MODULE_AUTHOR("Red Hat, Inc.");
27 MODULE_LICENSE("GPL");
31 /*****************************************************************************/
33 * initialise the Rx module
35 static int __init rxrpc_initialise(void)
40 rxrpc_epoch = htonl(xtime.tv_sec);
42 /* register the /proc interface */
44 ret = rxrpc_proc_init();
49 /* register the sysctl files */
51 ret = rxrpc_sysctl_init();
56 /* start the krxtimod daemon */
57 ret = rxrpc_krxtimod_start();
61 /* start the krxiod daemon */
62 ret = rxrpc_krxiod_init();
66 /* start the krxsecd daemon */
67 ret = rxrpc_krxsecd_init();
78 rxrpc_krxtimod_kill();
81 rxrpc_sysctl_cleanup();
88 } /* end rxrpc_initialise() */
90 module_init(rxrpc_initialise);
92 /*****************************************************************************/
94 * clean up the Rx module
96 static void __exit rxrpc_cleanup(void)
100 __RXACCT(printk("Outstanding Messages : %d\n",
101 atomic_read(&rxrpc_message_count)));
102 __RXACCT(printk("Outstanding Calls : %d\n",
103 atomic_read(&rxrpc_call_count)));
104 __RXACCT(printk("Outstanding Connections: %d\n",
105 atomic_read(&rxrpc_connection_count)));
106 __RXACCT(printk("Outstanding Peers : %d\n",
107 atomic_read(&rxrpc_peer_count)));
108 __RXACCT(printk("Outstanding Transports : %d\n",
109 atomic_read(&rxrpc_transport_count)));
111 rxrpc_krxsecd_kill();
113 rxrpc_krxtimod_kill();
115 rxrpc_sysctl_cleanup();
117 #ifdef CONFIG_PROC_FS
118 rxrpc_proc_cleanup();
121 __RXACCT(printk("Outstanding Messages : %d\n",
122 atomic_read(&rxrpc_message_count)));
123 __RXACCT(printk("Outstanding Calls : %d\n",
124 atomic_read(&rxrpc_call_count)));
125 __RXACCT(printk("Outstanding Connections: %d\n",
126 atomic_read(&rxrpc_connection_count)));
127 __RXACCT(printk("Outstanding Peers : %d\n",
128 atomic_read(&rxrpc_peer_count)));
129 __RXACCT(printk("Outstanding Transports : %d\n",
130 atomic_read(&rxrpc_transport_count)));
133 } /* end rxrpc_cleanup() */
135 module_exit(rxrpc_cleanup);
137 /*****************************************************************************/
139 * clear the dead space between task_struct and kernel stack
140 * - called by supplying -finstrument-functions to gcc
143 void __cyg_profile_func_enter (void *this_fn, void *call_site)
144 __attribute__((no_instrument_function));
146 void __cyg_profile_func_enter (void *this_fn, void *call_site)
148 asm volatile(" movl %%esp,%%edi \n"
151 " movl %%esp,%%ecx \n"
152 " subl %%edi,%%ecx \n"
154 " movl $0xedededed,%%eax \n"
157 : "i"(~(THREAD_SIZE-1)), "i"(sizeof(struct thread_info))
158 : "eax", "ecx", "edi", "memory", "cc"
162 void __cyg_profile_func_exit(void *this_fn, void *call_site)
163 __attribute__((no_instrument_function));
165 void __cyg_profile_func_exit(void *this_fn, void *call_site)
167 asm volatile(" movl %%esp,%%edi \n"
170 " movl %%esp,%%ecx \n"
171 " subl %%edi,%%ecx \n"
173 " movl $0xdadadada,%%eax \n"
176 : "i"(~(THREAD_SIZE-1)), "i"(sizeof(struct thread_info))
177 : "eax", "ecx", "edi", "memory", "cc"