/* -*- 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>

/*
 * Common STATUS namespace
 */

int rd_uuid(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{
        int len=0;
        struct obd_device* dev=(struct obd_device*)data;
        len+=snprintf(page, count, "%s\n", dev->obd_uuid);
        return len;
        

}
int rd_stripesize(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{
        struct obd_device* dev=(struct obd_device*)data;
        int len=0;
        struct lov_obd* lov=&dev->u.lov;
        len+=snprintf(page, count, LPU64"\n", 
                      (__u64)(lov->desc.ld_default_stripe_size));
        
        return len;
}

int rd_stripeoffset(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{
        struct obd_device* dev=(struct obd_device*)data;
        int len=0;
        struct lov_obd* lov=&dev->u.lov;
        len+=snprintf(page, count, LPU64"\n", 
                      lov->desc.ld_default_stripe_offset);
        return len;

}

int rd_stripetype(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{
        struct obd_device* dev=(struct obd_device*)data;
        int len=0;
        struct lov_obd* lov=&dev->u.lov;
        len+=snprintf(page, count, LPU64"\n", 
                      (__u64)(lov->desc.ld_pattern));
        return len;

}
int rd_stripecount(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{       
        struct obd_device* dev=(struct obd_device*)data;
        int len=0;
        struct lov_obd* lov=&dev->u.lov;
        len+=snprintf(page, count, LPU64"\n", 
                      (__u64)(lov->desc.ld_default_stripe_count));
        return len;

}
int rd_numobd(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{       
        struct obd_device* dev=(struct obd_device*)data;
        int len=0;
        struct lov_obd* lov=&dev->u.lov;
        len+=snprintf(page, count, LPU64"\n", 
                      (__u64)(lov->desc.ld_tgt_count));
        return len;

}

int rd_activeobd(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{       
        struct obd_device* dev=(struct obd_device*)data;
        int len=0;
        struct lov_obd* lov=&dev->u.lov;
        len+=snprintf(page, count, LPU64"\n", 
                      (__u64)(lov->desc.ld_active_tgt_count));
        return len;

}

int rd_blksize(char* page, char **start, off_t off,
                int count, int *eof, void *data)
{
        return 0;
}


int rd_blktotal(char* page, char **start, off_t off,
                int count, int *eof, void *data)
{
        return 0;
}

int rd_blkfree(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{
        return 0;
}

int rd_kbfree(char* page, char **start, off_t off,
              int count, int *eof, void *data)
{
        return 0;
}

int rd_numobjects(char* page, char **start, off_t off,
                  int count, int *eof, void *data)
{
        return 0;
}

int rd_objfree(char* page, char **start, off_t off,
               int count, int *eof, void *data)
{
        return 0;
}

int rd_objgroups(char* page, char **start, off_t off,
                 int count, int *eof, void *data)
{
        return 0;
}

int rd_target(char* page, char **start, off_t off,
                 int count, int *eof, void *data)
{
        struct obd_device* dev=(struct obd_device*)data;
        int len=0, i=0;
        struct lov_obd* lov=&dev->u.lov;
        struct lov_tgt_desc* tgts=lov->tgts;
        while(i<lov->desc.ld_tgt_count){
                len+=snprintf(page, count, "%d: %s\n", i, tgts->uuid);
                i++;
                tgts++;
        }
        
        return len;
}
int rd_mdc(char* page, char **start, off_t off,
                 int count, int *eof, void *data)
{
        struct obd_device* dev=(struct obd_device*)data;
        int len=0;
        struct lov_obd* lov=&dev->u.lov;
        len+=snprintf(page, count, "%s\n", lov->mdcobd->obd_uuid);
        return len;
}

lprocfs_vars_t status_var_nm_1[]={
        {"status/uuid", rd_uuid, 0},
        {"status/stripesize",rd_stripesize, 0},
        {"status/stripeoffset",rd_stripeoffset, 0},
        {"status/stripecount",rd_stripecount, 0},
        {"status/stripetype", rd_stripetype, 0},
        {"status/numobd",rd_numobd, 0},
        {"status/activeobd", rd_activeobd, 0},
        {"status/objects", rd_numobjects, 0},
        {"status/objectsfree", rd_objfree, 0},
        {"status/objectgroups", rd_objgroups, 0},
        {"status/blocksize", rd_blksize, 0},
        {"status/blockstotal", rd_blktotal, 0},
        {"status/kbytesfree", rd_kbfree, 0},
        {"status/blocksfree", rd_blkfree, 0},
        {"status/target_obd", rd_target, 0},
        {"status/target_mdc", rd_mdc, 0},
       
        {0}
};
int rd_numdevices(char* page, char **start, off_t off,
                  int count, int *eof, void *data)
{
        struct obd_type* class=(struct obd_type*)data;
        int len=0;
        len+=snprintf(page, count, "%d\n", class->typ_refcnt);
        return len;
}

lprocfs_vars_t status_class_var[]={
        {"status/num_devices", rd_numdevices, 0},
        {0}
};