/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
 * vim:expandtab:shiftwidth=8:tabstop=8:
 *
 *  Copyright (C) 2002 Cluster File Systems, Inc.
 *
 *   This file is part of Lustre, http://www.lustre.org.
 *
 *   Lustre is free software; you can redistribute it and/or
 *   modify it under the terms of version 2 of the GNU General Public
 *   License as published by the Free Software Foundation.
 *
 *   Lustre 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 for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with Lustre; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */
#define DEBUG_SUBSYSTEM S_CLASS

#include <linux/lustre_lite.h>
#include <linux/lprocfs_status.h>

#ifndef LPROCFS
struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
struct lprocfs_vars lprocfs_module_vars[] = { {0} };
#else
/* Common STATUS namespace */
static int rd_target(char *page, char **start, off_t off, int count,
                     int *eof, void *data)
{
        struct obd_device    *dev = (struct obd_device*)data;
	struct lustre_handle *conn;
	struct obd_export    *exp;
	int    rc;

        LASSERT(dev != NULL);
        conn = &dev->u.cobd.cobd_target;

	if ((dev->obd_flags & OBD_SET_UP) == 0)
		rc = snprintf (page, count, "not set up\n");
	else {
		exp = class_conn2export (conn);
		LASSERT(exp != NULL);
		rc = snprintf(page, count, "%s\n", 
                              exp->exp_obd->obd_uuid.uuid);
	}
	return (rc);
}

static int rd_cache(char *page, char **start, off_t off, int count,
                    int *eof, void *data)
{
        struct obd_device    *dev = (struct obd_device*)data;
	struct lustre_handle *conn;
	struct obd_export    *exp;
	int    rc;

        LASSERT(dev != NULL);
        conn = &dev->u.cobd.cobd_cache;

	if ((dev->obd_flags & OBD_SET_UP) == 0)
		rc = snprintf (page, count, "not set up\n");
	else {
		exp = class_conn2export (conn);
		LASSERT (exp != NULL);
		rc = snprintf(page, count, "%s\n", 
                              exp->exp_obd->obd_uuid.uuid);
	}
	return (rc);
}

struct lprocfs_vars lprocfs_obd_vars[] = {
        { "uuid",        lprocfs_rd_uuid,    0, 0 },
        { "target_uuid", rd_target,          0, 0 },
        { "cache_uuid",  rd_cache,           0, 0 },
        { 0 }
};

struct lprocfs_vars lprocfs_module_vars[] = {
        { "num_refs",    lprocfs_rd_numrefs, 0, 0 },
        { 0 }
};
#endif /* LPROCFS */

LPROCFS_INIT_VARS(lprocfs_module_vars, lprocfs_obd_vars)