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/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program 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.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#include "dmapi_private.h"
int
dm_get_config(
void *hanp,
size_t hlen,
dm_config_t flagname,
dm_size_t *retvalp)
{
dm_fsys_vector_t *fsys_vector;
dm_tokdata_t *tdp;
dm_size_t retval;
int system = 1;
int error;
/* Trap and process configuration parameters which are system-wide. */
switch (flagname) {
case DM_CONFIG_LEGACY:
case DM_CONFIG_PENDING:
case DM_CONFIG_OBJ_REF:
retval = DM_TRUE;
break;
case DM_CONFIG_MAX_MESSAGE_DATA:
retval = DM_MAX_MSG_DATA;
break;
default:
system = 0;
break;
}
if (system) {
if (copy_to_user(retvalp, &retval, sizeof(retval)))
return(EFAULT);
return(0);
}
/* Must be filesystem-specific. Convert the handle into a vnode. */
if ((error = dm_get_config_tdp(hanp, hlen, &tdp)) != 0)
return(error);
/* Now call the filesystem-specific routine to determine the
value of the configuration option for that filesystem.
*/
fsys_vector = dm_fsys_vector(tdp->td_bdp);
error = fsys_vector->get_config(tdp->td_bdp, tdp->td_right,
flagname, retvalp);
dm_app_put_tdp(tdp);
return(error);
}
int
dm_get_config_events(
void *hanp,
size_t hlen,
u_int nelem,
dm_eventset_t *eventsetp,
u_int *nelemp)
{
dm_fsys_vector_t *fsys_vector;
dm_tokdata_t *tdp;
int error;
/* Convert the handle into a vnode. */
if ((error = dm_get_config_tdp(hanp, hlen, &tdp)) != 0)
return(error);
/* Now call the filesystem-specific routine to determine the
events supported by that filesystem.
*/
fsys_vector = dm_fsys_vector(tdp->td_bdp);
error = fsys_vector->get_config_events(tdp->td_bdp, tdp->td_right,
nelem, eventsetp, nelemp);
dm_app_put_tdp(tdp);
return(error);
}
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