| /* |
| * GPL HEADER START |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 only, |
| * as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License version 2 for more details (a copy is included |
| * in the LICENSE file that accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License |
| * version 2 along with this program; If not, see |
| * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| * GPL HEADER END |
| */ |
| /* |
| * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| */ |
| |
| #ifndef __LNET_LINUX_LIB_LNET_H__ |
| #define __LNET_LINUX_LIB_LNET_H__ |
| |
| #ifndef __LNET_LIB_LNET_H__ |
| #error Do not #include this file directly. #include <linux/lnet/lib-lnet.h> instead |
| #endif |
| |
| # include <asm/page.h> |
| # include <linux/string.h> |
| # include <asm/io.h> |
| # include <linux/libcfs/libcfs.h> |
| |
| static inline __u64 |
| lnet_page2phys (struct page *p) |
| { |
| /* compiler optimizer will elide unused branches */ |
| |
| switch (sizeof(typeof(page_to_phys(p)))) { |
| case 4: |
| /* page_to_phys returns a 32 bit physical address. This must |
| * be a 32 bit machine with <= 4G memory and we must ensure we |
| * don't sign extend when converting to 64 bits. */ |
| return (unsigned long)page_to_phys(p); |
| |
| case 8: |
| /* page_to_phys returns a 64 bit physical address :) */ |
| return page_to_phys(p); |
| |
| default: |
| LBUG(); |
| return 0; |
| } |
| } |
| |
| |
| #define LNET_ROUTER |
| |
| #endif /* __LNET_LINUX_LIB_LNET_H__ */ |