cavium-octeon/executive/cvmx-sysinfo.c

0001 /***********************license start***************
0002  * Author: Cavium Networks
0003  *
0004  * Contact: support@caviumnetworks.com
0005  * This file is part of the OCTEON SDK
0006  *
0007  * Copyright (c) 2003-2008 Cavium Networks
0008  *
0009  * This file is free software; you can redistribute it and/or modify
0010  * it under the terms of the GNU General Public License, Version 2, as
0011  * published by the Free Software Foundation.
0012  *
0013  * This file is distributed in the hope that it will be useful, but
0014  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
0015  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
0016  * NONINFRINGEMENT.  See the GNU General Public License for more
0017  * details.
0018  *
0019  * You should have received a copy of the GNU General Public License
0020  * along with this file; if not, write to the Free Software
0021  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0022  * or visit http://www.gnu.org/licenses/.
0023  *
0024  * This file may also be available under a different license from Cavium.
0025  * Contact Cavium Networks for more information
0026  ***********************license end**************************************/
0027
0028 /*
0029  * This module provides system/board/application information obtained
0030  * by the bootloader.
0031  */
0032 #include <linux/export.h>
0033
0034 #include <asm/octeon/cvmx.h>
0035 #include <asm/octeon/cvmx-sysinfo.h>
0036
0037 /*
0038  * This structure defines the private state maintained by sysinfo module.
0039  */
0040 static struct cvmx_sysinfo sysinfo;    /* system information */
0041
0042 /*
0043  * Returns the application information as obtained
0044  * by the bootloader.  This provides the core mask of the cores
0045  * running the same application image, as well as the physical
0046  * memory regions available to the core.
0047  */
0048 struct cvmx_sysinfo *cvmx_sysinfo_get(void)
0049 {
0050     return &sysinfo;
0051 }
0052 EXPORT_SYMBOL(cvmx_sysinfo_get);
0053