-/*
- * 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.gnu.org/licenses/gpl-2.0.html
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, 2014, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * lustre/obdclass/debug.c
- *
- * Helper routines for dumping data structs for debugging.
- */
-
-#define DEBUG_SUBSYSTEM D_OTHER
-
-
-#include <obd_support.h>
-#include <lustre_debug.h>
-#include <lustre_net.h>
-
-void dump_lniobuf(struct niobuf_local *nb)
-{
- CDEBUG(D_RPCTRACE,
- "niobuf_local: file_offset=%lld, len=%d, page=%p, rc=%d\n",
- nb->lnb_file_offset, nb->lnb_len, nb->lnb_page, nb->lnb_rc);
- CDEBUG(D_RPCTRACE, "nb->page: index = %ld\n",
- nb->lnb_page ? page_index(nb->lnb_page) : -1);
-}
-
-#define LPDS sizeof(__u64)
-int block_debug_setup(void *addr, int len, __u64 off, __u64 id)
-{
- LASSERT(addr);
-
- off = cpu_to_le64 (off);
- id = cpu_to_le64 (id);
- memcpy(addr, (char *)&off, LPDS);
- memcpy(addr + LPDS, (char *)&id, LPDS);
-
- addr += len - LPDS - LPDS;
- memcpy(addr, (char *)&off, LPDS);
- memcpy(addr + LPDS, (char *)&id, LPDS);
-
- return 0;
-}
-EXPORT_SYMBOL(block_debug_setup);
-
-int block_debug_check(char *who, void *addr, int end, __u64 off, __u64 id)
-{
- __u64 ne_off;
- int err = 0;
-
- LASSERT(addr);
-
- ne_off = le64_to_cpu (off);
- id = le64_to_cpu (id);
- if (memcmp(addr, (char *)&ne_off, LPDS)) {
- CDEBUG(D_ERROR, "%s: id %#llx offset %llu off: %#llx != "
- "%#llx\n", who, id, off, *(__u64 *)addr, ne_off);
- err = -EINVAL;
- }
- if (memcmp(addr + LPDS, (char *)&id, LPDS)) {
- CDEBUG(D_ERROR, "%s: id %#llx offset %llu id: %#llx != %#llx\n",
- who, id, off, *(__u64 *)(addr + LPDS), id);
- err = -EINVAL;
- }
-
- addr += end - LPDS - LPDS;
- if (memcmp(addr, (char *)&ne_off, LPDS)) {
- CDEBUG(D_ERROR, "%s: id %#llx offset %llu end off: %#llx != "
- "%#llx\n", who, id, off, *(__u64 *)addr, ne_off);
- err = -EINVAL;
- }
- if (memcmp(addr + LPDS, (char *)&id, LPDS)) {
- CDEBUG(D_ERROR, "%s: id %#llx offset %llu end id: %#llx != "
- "%#llx\n", who, id, off, *(__u64 *)(addr + LPDS), id);
- err = -EINVAL;
- }
-
- return err;
-}
-EXPORT_SYMBOL(block_debug_check);
-#undef LPDS