cvmx-sysinfo.c (1798B)
1/***********************license start*************** 2 * Author: Cavium Networks 3 * 4 * Contact: support@caviumnetworks.com 5 * This file is part of the OCTEON SDK 6 * 7 * Copyright (c) 2003-2008 Cavium Networks 8 * 9 * This file is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License, Version 2, as 11 * published by the Free Software Foundation. 12 * 13 * This file is distributed in the hope that it will be useful, but 14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty 15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or 16 * NONINFRINGEMENT. See the GNU General Public License for more 17 * details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this file; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 22 * or visit http://www.gnu.org/licenses/. 23 * 24 * This file may also be available under a different license from Cavium. 25 * Contact Cavium Networks for more information 26 ***********************license end**************************************/ 27 28/* 29 * This module provides system/board/application information obtained 30 * by the bootloader. 31 */ 32#include <linux/export.h> 33 34#include <asm/octeon/cvmx.h> 35#include <asm/octeon/cvmx-sysinfo.h> 36 37/* 38 * This structure defines the private state maintained by sysinfo module. 39 */ 40static struct cvmx_sysinfo sysinfo; /* system information */ 41 42/* 43 * Returns the application information as obtained 44 * by the bootloader. This provides the core mask of the cores 45 * running the same application image, as well as the physical 46 * memory regions available to the core. 47 */ 48struct cvmx_sysinfo *cvmx_sysinfo_get(void) 49{ 50 return &sysinfo; 51} 52EXPORT_SYMBOL(cvmx_sysinfo_get); 53