181 lines
4.8 KiB
C
181 lines
4.8 KiB
C
/* main.c: Rx RPC interface
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*
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* Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/sched.h>
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#include <rxrpc/rxrpc.h>
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#include <rxrpc/krxiod.h>
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#include <rxrpc/krxsecd.h>
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#include <rxrpc/krxtimod.h>
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#include <rxrpc/transport.h>
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#include <rxrpc/connection.h>
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#include <rxrpc/call.h>
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#include <rxrpc/message.h>
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#include "internal.h"
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MODULE_DESCRIPTION("Rx RPC implementation");
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MODULE_AUTHOR("Red Hat, Inc.");
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MODULE_LICENSE("GPL");
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__be32 rxrpc_epoch;
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/*****************************************************************************/
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/*
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* initialise the Rx module
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*/
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static int __init rxrpc_initialise(void)
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{
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int ret;
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/* my epoch value */
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rxrpc_epoch = htonl(xtime.tv_sec);
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/* register the /proc interface */
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#ifdef CONFIG_PROC_FS
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ret = rxrpc_proc_init();
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if (ret<0)
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return ret;
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#endif
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/* register the sysctl files */
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#ifdef CONFIG_SYSCTL
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ret = rxrpc_sysctl_init();
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if (ret<0)
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goto error_proc;
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#endif
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/* start the krxtimod daemon */
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ret = rxrpc_krxtimod_start();
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if (ret<0)
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goto error_sysctl;
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/* start the krxiod daemon */
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ret = rxrpc_krxiod_init();
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if (ret<0)
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goto error_krxtimod;
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/* start the krxsecd daemon */
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ret = rxrpc_krxsecd_init();
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if (ret<0)
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goto error_krxiod;
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kdebug("\n\n");
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return 0;
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error_krxiod:
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rxrpc_krxiod_kill();
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error_krxtimod:
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rxrpc_krxtimod_kill();
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error_sysctl:
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#ifdef CONFIG_SYSCTL
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rxrpc_sysctl_cleanup();
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error_proc:
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#endif
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#ifdef CONFIG_PROC_FS
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rxrpc_proc_cleanup();
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#endif
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return ret;
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} /* end rxrpc_initialise() */
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module_init(rxrpc_initialise);
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/*****************************************************************************/
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/*
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* clean up the Rx module
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*/
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static void __exit rxrpc_cleanup(void)
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{
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kenter("");
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__RXACCT(printk("Outstanding Messages : %d\n",
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atomic_read(&rxrpc_message_count)));
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__RXACCT(printk("Outstanding Calls : %d\n",
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atomic_read(&rxrpc_call_count)));
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__RXACCT(printk("Outstanding Connections: %d\n",
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atomic_read(&rxrpc_connection_count)));
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__RXACCT(printk("Outstanding Peers : %d\n",
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atomic_read(&rxrpc_peer_count)));
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__RXACCT(printk("Outstanding Transports : %d\n",
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atomic_read(&rxrpc_transport_count)));
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rxrpc_krxsecd_kill();
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rxrpc_krxiod_kill();
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rxrpc_krxtimod_kill();
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#ifdef CONFIG_SYSCTL
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rxrpc_sysctl_cleanup();
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#endif
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#ifdef CONFIG_PROC_FS
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rxrpc_proc_cleanup();
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#endif
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__RXACCT(printk("Outstanding Messages : %d\n",
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atomic_read(&rxrpc_message_count)));
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__RXACCT(printk("Outstanding Calls : %d\n",
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atomic_read(&rxrpc_call_count)));
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__RXACCT(printk("Outstanding Connections: %d\n",
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atomic_read(&rxrpc_connection_count)));
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__RXACCT(printk("Outstanding Peers : %d\n",
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atomic_read(&rxrpc_peer_count)));
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__RXACCT(printk("Outstanding Transports : %d\n",
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atomic_read(&rxrpc_transport_count)));
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kleave("");
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} /* end rxrpc_cleanup() */
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module_exit(rxrpc_cleanup);
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/*****************************************************************************/
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/*
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* clear the dead space between task_struct and kernel stack
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* - called by supplying -finstrument-functions to gcc
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*/
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#if 0
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void __cyg_profile_func_enter (void *this_fn, void *call_site)
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__attribute__((no_instrument_function));
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void __cyg_profile_func_enter (void *this_fn, void *call_site)
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{
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asm volatile(" movl %%esp,%%edi \n"
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" andl %0,%%edi \n"
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" addl %1,%%edi \n"
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" movl %%esp,%%ecx \n"
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" subl %%edi,%%ecx \n"
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" shrl $2,%%ecx \n"
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" movl $0xedededed,%%eax \n"
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" rep stosl \n"
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:
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: "i"(~(THREAD_SIZE-1)), "i"(sizeof(struct thread_info))
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: "eax", "ecx", "edi", "memory", "cc"
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);
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}
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void __cyg_profile_func_exit(void *this_fn, void *call_site)
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__attribute__((no_instrument_function));
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void __cyg_profile_func_exit(void *this_fn, void *call_site)
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{
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asm volatile(" movl %%esp,%%edi \n"
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" andl %0,%%edi \n"
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" addl %1,%%edi \n"
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" movl %%esp,%%ecx \n"
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" subl %%edi,%%ecx \n"
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" shrl $2,%%ecx \n"
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" movl $0xdadadada,%%eax \n"
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" rep stosl \n"
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:
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: "i"(~(THREAD_SIZE-1)), "i"(sizeof(struct thread_info))
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: "eax", "ecx", "edi", "memory", "cc"
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);
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}
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#endif
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