File: [Development] / linux-2.6-xfs / fs / dmapi / dmapi_sysent.c (download)
Revision 1.27, Fri Apr 23 21:40:55 2004 UTC (13 years, 5 months ago) by roehrich
Branch: MAIN
Changes since 1.26: +3 -6
lines
Do not call xfs_dm_init/xfs_dm_exit here--let xfs do that.
Export some symbols that xfs needs to see.
|
/*
* 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/
*/
/* Data Migration API (DMAPI)
*/
/* We're using MISC_MAJOR / MISC_DYNAMIC_MINOR. */
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/major.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/module.h>
#include <asm/uaccess.h>
#include "xfs.h"
#include "dmapi.h"
#include "dmapi_kern.h"
#include "dmapi_private.h"
kmem_cache_t *dm_fsreg_cachep = NULL;
kmem_cache_t *dm_tokdata_cachep = NULL;
kmem_cache_t *dm_session_cachep = NULL;
static int
dmapi_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
sys_dmapi_args_t kargs;
sys_dmapi_args_t *uap = &kargs;
int error = 0;
int rvp = -ENOSYS;
int use_rvp = 0;
if (!capable(CAP_MKNOD))
return(-EPERM);
if( copy_from_user( &kargs, (sys_dmapi_args_t*)arg,
sizeof(sys_dmapi_args_t) ) )
return -EFAULT;
switch (cmd) {
case DM_CLEAR_INHERIT:
error = dm_clear_inherit(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_attrname_t *) DM_Parg(uap,5));/* attrnamep */
break;
case DM_CREATE_BY_HANDLE:
error = dm_create_by_handle(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* dirhanp */
(size_t) DM_Uarg(uap,3), /* dirhlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(void *) DM_Parg(uap,5), /* hanp */
(size_t) DM_Uarg(uap,6), /* hlen */
(char *) DM_Parg(uap,7));/* cname */
break;
case DM_CREATE_SESSION:
error = dm_create_session(
(dm_sessid_t) DM_Uarg(uap,1), /* oldsid */
(char *) DM_Parg(uap,2), /* sessinfop */
(dm_sessid_t *) DM_Parg(uap,3));/* newsidp */
break;
case DM_CREATE_USEREVENT:
error = dm_create_userevent(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(size_t) DM_Uarg(uap,2), /* msglen */
(void *) DM_Parg(uap,3), /* msgdatap */
(dm_token_t *) DM_Parg(uap,4));/* tokenp */
break;
case DM_DESTROY_SESSION:
error = dm_destroy_session(
(dm_sessid_t) DM_Uarg(uap,1));/* sid */
break;
case DM_DOWNGRADE_RIGHT:
error = dm_downgrade_right(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4));/* token */
break;
case DM_FD_TO_HANDLE:
error = dm_fd_to_hdl(
(int) DM_Uarg(uap,1), /* fd */
(void *) DM_Parg(uap,2), /* hanp */
(size_t *) DM_Parg(uap,3));/* hlenp */
break;
case DM_FIND_EVENTMSG:
error = dm_find_eventmsg(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(dm_token_t) DM_Uarg(uap,2), /* token */
(size_t) DM_Uarg(uap,3), /* buflen */
(void *) DM_Parg(uap,4), /* bufp */
(size_t *) DM_Parg(uap,5));/* rlenp */
break;
case DM_GET_ALLOCINFO:
use_rvp = 1;
error = dm_get_allocinfo_rvp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_off_t *) DM_Parg(uap,5), /* offp */
(u_int) DM_Uarg(uap,6), /* nelem */
(dm_extent_t *) DM_Parg(uap,7), /* extentp */
(u_int *) DM_Parg(uap,8), /* nelemp */
&rvp);
break;
case DM_GET_BULKALL:
use_rvp = 1;
error = dm_get_bulkall_rvp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* mask */
(dm_attrname_t *) DM_Parg(uap,6),/* attrnamep */
(dm_attrloc_t *) DM_Parg(uap,7),/* locp */
(size_t) DM_Uarg(uap,8), /* buflen */
(void *) DM_Parg(uap,9), /* bufp */
(size_t *) DM_Parg(uap,10),/* rlenp */
&rvp);
break;
case DM_GET_BULKATTR:
use_rvp = 1;
error = dm_get_bulkattr_rvp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* mask */
(dm_attrloc_t *)DM_Parg(uap,6), /* locp */
(size_t) DM_Uarg(uap,7), /* buflen */
(void *) DM_Parg(uap,8), /* bufp */
(size_t *) DM_Parg(uap,9), /* rlenp */
&rvp);
break;
case DM_GET_CONFIG:
error = dm_get_config(
(void *) DM_Parg(uap,1), /* hanp */
(size_t) DM_Uarg(uap,2), /* hlen */
(dm_config_t) DM_Uarg(uap,3), /* flagname */
(dm_size_t *) DM_Parg(uap,4));/* retvalp */
break;
case DM_GET_CONFIG_EVENTS:
error = dm_get_config_events(
(void *) DM_Parg(uap,1), /* hanp */
(size_t) DM_Uarg(uap,2), /* hlen */
(u_int) DM_Uarg(uap,3), /* nelem */
(dm_eventset_t *) DM_Parg(uap,4),/* eventsetp */
(u_int *) DM_Parg(uap,5));/* nelemp */
break;
case DM_GET_DIOINFO:
error = dm_get_dioinfo(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_dioinfo_t *)DM_Parg(uap,5));/* diop */
break;
case DM_GET_DIRATTRS:
use_rvp = 1;
error = dm_get_dirattrs_rvp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* mask */
(dm_attrloc_t *)DM_Parg(uap,6), /* locp */
(size_t) DM_Uarg(uap,7), /* buflen */
(void *) DM_Parg(uap,8), /* bufp */
(size_t *) DM_Parg(uap,9), /* rlenp */
&rvp);
break;
case DM_GET_DMATTR:
error = dm_get_dmattr(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_attrname_t *) DM_Parg(uap,5),/* attrnamep */
(size_t) DM_Uarg(uap,6), /* buflen */
(void *) DM_Parg(uap,7), /* bufp */
(size_t *) DM_Parg(uap,8));/* rlenp */
break;
case DM_GET_EVENTLIST:
error = dm_get_eventlist(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* nelem */
(dm_eventset_t *) DM_Parg(uap,6),/* eventsetp */
(u_int *) DM_Parg(uap,7));/* nelemp */
break;
case DM_GET_EVENTS:
error = dm_get_events(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(u_int) DM_Uarg(uap,2), /* maxmsgs */
(u_int) DM_Uarg(uap,3), /* flags */
(size_t) DM_Uarg(uap,4), /* buflen */
(void *) DM_Parg(uap,5), /* bufp */
(size_t *) DM_Parg(uap,6));/* rlenp */
break;
case DM_GET_FILEATTR:
error = dm_get_fileattr(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* mask */
(dm_stat_t *) DM_Parg(uap,6));/* statp */
break;
case DM_GET_MOUNTINFO:
error = dm_get_mountinfo(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(size_t) DM_Uarg(uap,5), /* buflen */
(void *) DM_Parg(uap,6), /* bufp */
(size_t *) DM_Parg(uap,7));/* rlenp */
break;
case DM_GET_REGION:
error = dm_get_region(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* nelem */
(dm_region_t *) DM_Parg(uap,6), /* regbufp */
(u_int *) DM_Parg(uap,7));/* nelemp */
break;
case DM_GETALL_DISP:
error = dm_getall_disp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(size_t) DM_Uarg(uap,2), /* buflen */
(void *) DM_Parg(uap,3), /* bufp */
(size_t *) DM_Parg(uap,4));/* rlenp */
break;
case DM_GETALL_DMATTR:
error = dm_getall_dmattr(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(size_t) DM_Uarg(uap,5), /* buflen */
(void *) DM_Parg(uap,6), /* bufp */
(size_t *) DM_Parg(uap,7));/* rlenp */
break;
case DM_GETALL_INHERIT:
error = dm_getall_inherit(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* nelem */
(dm_inherit_t *)DM_Parg(uap,6), /* inheritbufp*/
(u_int *) DM_Parg(uap,7));/* nelemp */
break;
case DM_GETALL_SESSIONS:
error = dm_getall_sessions(
(u_int) DM_Uarg(uap,1), /* nelem */
(dm_sessid_t *) DM_Parg(uap,2), /* sidbufp */
(u_int *) DM_Parg(uap,3));/* nelemp */
break;
case DM_GETALL_TOKENS:
error = dm_getall_tokens(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(u_int) DM_Uarg(uap,2), /* nelem */
(dm_token_t *) DM_Parg(uap,3), /* tokenbufp */
(u_int *) DM_Parg(uap,4));/* nelemp */
break;
case DM_INIT_ATTRLOC:
error = dm_init_attrloc(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_attrloc_t *) DM_Parg(uap,5));/* locp */
break;
case DM_MKDIR_BY_HANDLE:
error = dm_mkdir_by_handle(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* dirhanp */
(size_t) DM_Uarg(uap,3), /* dirhlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(void *) DM_Parg(uap,5), /* hanp */
(size_t) DM_Uarg(uap,6), /* hlen */
(char *) DM_Parg(uap,7));/* cname */
break;
case DM_MOVE_EVENT:
error = dm_move_event(
(dm_sessid_t) DM_Uarg(uap,1), /* srcsid */
(dm_token_t) DM_Uarg(uap,2), /* token */
(dm_sessid_t) DM_Uarg(uap,3), /* targetsid */
(dm_token_t *) DM_Parg(uap,4));/* rtokenp */
break;
case DM_OBJ_REF_HOLD:
error = dm_obj_ref_hold(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(dm_token_t) DM_Uarg(uap,2), /* token */
(void *) DM_Parg(uap,3), /* hanp */
(size_t) DM_Uarg(uap,4));/* hlen */
break;
case DM_OBJ_REF_QUERY:
use_rvp = 1;
error = dm_obj_ref_query_rvp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(dm_token_t) DM_Uarg(uap,2), /* token */
(void *) DM_Parg(uap,3), /* hanp */
(size_t) DM_Uarg(uap,4), /* hlen */
&rvp);
break;
case DM_OBJ_REF_RELE:
error = dm_obj_ref_rele(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(dm_token_t) DM_Uarg(uap,2), /* token */
(void *) DM_Parg(uap,3), /* hanp */
(size_t) DM_Uarg(uap,4));/* hlen */
break;
case DM_PATH_TO_FSHANDLE:
error = dm_path_to_fshdl(
(char *) DM_Parg(uap,1), /* path */
(void *) DM_Parg(uap,2), /* hanp */
(size_t *) DM_Parg(uap,3));/* hlenp */
break;
case DM_PATH_TO_HANDLE:
error = dm_path_to_hdl(
(char *) DM_Parg(uap,1), /* path */
(void *) DM_Parg(uap,2), /* hanp */
(size_t *) DM_Parg(uap,3));/* hlenp */
break;
case DM_PENDING:
error = dm_pending(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(dm_token_t) DM_Uarg(uap,2), /* token */
(dm_timestruct_t *) DM_Parg(uap,3));/* delay */
break;
case DM_PROBE_HOLE:
error = dm_probe_hole(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_off_t) DM_Uarg(uap,5), /* off */
(dm_size_t) DM_Uarg(uap,6), /* len */
(dm_off_t *) DM_Parg(uap,7), /* roffp */
(dm_size_t *) DM_Parg(uap,8));/* rlenp */
break;
case DM_PUNCH_HOLE:
error = dm_punch_hole(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_off_t) DM_Uarg(uap,5), /* off */
(dm_size_t) DM_Uarg(uap,6));/* len */
break;
case DM_QUERY_RIGHT:
error = dm_query_right(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_right_t *) DM_Parg(uap,5));/* rightp */
break;
case DM_QUERY_SESSION:
error = dm_query_session(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(size_t) DM_Uarg(uap,2), /* buflen */
(void *) DM_Parg(uap,3), /* bufp */
(size_t *) DM_Parg(uap,4));/* rlenp */
break;
case DM_READ_INVIS:
use_rvp = 1;
error = dm_read_invis_rvp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_off_t) DM_Uarg(uap,5), /* off */
(dm_size_t) DM_Uarg(uap,6), /* len */
(void *) DM_Parg(uap,7), /* bufp */
&rvp);
break;
case DM_RELEASE_RIGHT:
error = dm_release_right(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4));/* token */
break;
case DM_REMOVE_DMATTR:
error = dm_remove_dmattr(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(int) DM_Uarg(uap,5), /* setdtime */
(dm_attrname_t *) DM_Parg(uap,6));/* attrnamep */
break;
case DM_REQUEST_RIGHT:
error = dm_request_right(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* flags */
(dm_right_t) DM_Uarg(uap,6));/* right */
break;
case DM_RESPOND_EVENT:
error = dm_respond_event(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(dm_token_t) DM_Uarg(uap,2), /* token */
(dm_response_t) DM_Uarg(uap,3), /* response */
(int) DM_Uarg(uap,4), /* reterror */
(size_t) DM_Uarg(uap,5), /* buflen */
(void *) DM_Parg(uap,6));/* respbufp */
break;
case DM_SEND_MSG:
error = dm_send_msg(
(dm_sessid_t) DM_Uarg(uap,1), /* targetsid */
(dm_msgtype_t) DM_Uarg(uap,2), /* msgtype */
(size_t) DM_Uarg(uap,3), /* buflen */
(void *) DM_Parg(uap,4));/* bufp */
break;
case DM_SET_DISP:
error = dm_set_disp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_eventset_t *) DM_Parg(uap,5),/* eventsetp */
(u_int) DM_Uarg(uap,6));/* maxevent */
break;
case DM_SET_DMATTR:
error = dm_set_dmattr(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_attrname_t *) DM_Parg(uap,5),/* attrnamep */
(int) DM_Uarg(uap,6), /* setdtime */
(size_t) DM_Uarg(uap,7), /* buflen */
(void *) DM_Parg(uap,8));/* bufp */
break;
case DM_SET_EVENTLIST:
error = dm_set_eventlist(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_eventset_t *) DM_Parg(uap,5),/* eventsetp */
(u_int) DM_Uarg(uap,6));/* maxevent */
break;
case DM_SET_FILEATTR:
error = dm_set_fileattr(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* mask */
(dm_fileattr_t *)DM_Parg(uap,6));/* attrp */
break;
case DM_SET_INHERIT:
error = dm_set_inherit(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_attrname_t *)DM_Parg(uap,5),/* attrnamep */
(mode_t) DM_Uarg(uap,6));/* mode */
break;
case DM_SET_REGION:
error = dm_set_region(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(u_int) DM_Uarg(uap,5), /* nelem */
(dm_region_t *) DM_Parg(uap,6), /* regbufp */
(dm_boolean_t *) DM_Parg(uap,7));/* exactflagp */
break;
case DM_SET_RETURN_ON_DESTROY:
error = dm_set_return_on_destroy(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(dm_attrname_t *) DM_Parg(uap,5),/* attrnamep */
(dm_boolean_t) DM_Uarg(uap,6));/* enable */
break;
case DM_SYMLINK_BY_HANDLE:
error = dm_symlink_by_handle(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* dirhanp */
(size_t) DM_Uarg(uap,3), /* dirhlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(void *) DM_Parg(uap,5), /* hanp */
(size_t) DM_Uarg(uap,6), /* hlen */
(char *) DM_Parg(uap,7), /* cname */
(char *) DM_Parg(uap,8));/* path */
break;
case DM_SYNC_BY_HANDLE:
error = dm_sync_by_handle(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4));/* token */
break;
case DM_UPGRADE_RIGHT:
error = dm_upgrade_right(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4));/* token */
break;
case DM_WRITE_INVIS:
use_rvp = 1;
error = dm_write_invis_rvp(
(dm_sessid_t) DM_Uarg(uap,1), /* sid */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(dm_token_t) DM_Uarg(uap,4), /* token */
(int) DM_Uarg(uap,5), /* flags */
(dm_off_t) DM_Uarg(uap,6), /* off */
(dm_size_t) DM_Uarg(uap,7), /* len */
(void *) DM_Parg(uap,8), /* bufp */
&rvp);
break;
case DM_OPEN_BY_HANDLE:
use_rvp = 1;
error = dm_open_by_handle_rvp(
(unsigned int) DM_Uarg(uap,1), /* fd */
(void *) DM_Parg(uap,2), /* hanp */
(size_t) DM_Uarg(uap,3), /* hlen */
(int) DM_Uarg(uap,4), /* flags */
&rvp);
break;
default:
error = ENOSYS;
break;
}
/* If it was an *_rvp() function, then
if error==0, return |rvp|
*/
if( use_rvp && (error == 0) )
return rvp;
else
return -error;
}
static int
dmapi_open(struct inode *inode, struct file *file)
{
return 0;
}
static int
dmapi_release(struct inode *inode, struct file *file)
{
return 0;
}
/* say hello, and let me know the device is hooked up */
static ssize_t
dmapi_dump(struct file *file, char *buf, size_t count, loff_t *ppos)
{
char tmp[50];
int len;
if( *ppos == 0 ){
len = sprintf( tmp, "# " DM_VER_STR_CONTENTS "\n" );
if( copy_to_user(buf, tmp, len) )
return -EFAULT;
*ppos += 1;
return len;
}
return 0;
}
static struct file_operations dmapi_fops = {
open: dmapi_open,
ioctl: dmapi_ioctl,
read: dmapi_dump,
release: dmapi_release
};
static struct miscdevice dmapi_dev = {
minor: MISC_DYNAMIC_MINOR,
name: "dmapi",
fops: &dmapi_fops
};
#ifdef CONFIG_PROC_FS
static int
dmapi_summary(char *buffer, char **start, off_t offset,
int count, int *eof, void *data)
{
int len;
extern u_int dm_sessions_active;
extern dm_sessid_t dm_next_sessid;
extern dm_token_t dm_next_token;
extern dm_sequence_t dm_next_sequence;
extern int dm_fsys_cnt;
#define CHKFULL if(len >= count) break;
#define ADDBUF(a,b) len += sprintf(buffer + len, a, b); CHKFULL;
len=0;
while(1){
ADDBUF("dm_sessions_active=%u\n", dm_sessions_active);
ADDBUF("dm_next_sessid=%d\n", (int)dm_next_sessid);
ADDBUF("dm_next_token=%d\n", (int)dm_next_token);
ADDBUF("dm_next_sequence=%u\n", (u_int)dm_next_sequence);
ADDBUF("dm_fsys_cnt=%d\n", dm_fsys_cnt);
break;
}
if (offset >= len) {
*start = buffer;
*eof = 1;
return 0;
}
*start = buffer + offset;
if ((len -= offset) > count)
return count;
*eof = 1;
return len;
}
#endif
static void __init
dmapi_init_procfs(int dmapi_minor)
{
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *entry;
if ((entry = proc_mkdir( DMAPI_DBG_PROCFS, 0)) == NULL )
return;
entry->owner = THIS_MODULE;
entry->mode = S_IFDIR | S_IRUSR | S_IXUSR;
if ((entry = proc_mkdir( DMAPI_DBG_PROCFS "/fsreg", 0)) == NULL )
return;
entry->owner = THIS_MODULE;
if ((entry = proc_mkdir( DMAPI_DBG_PROCFS "/sessions", 0)) == NULL )
return;
entry->owner = THIS_MODULE;
entry = create_proc_read_entry( DMAPI_DBG_PROCFS "/summary", 0, 0, dmapi_summary, NULL);
entry->owner = THIS_MODULE;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
entry = proc_mknod( DMAPI_PROCFS, S_IFCHR | S_IRUSR | S_IWUSR,
NULL, mk_kdev(MISC_MAJOR,dmapi_minor));
if( entry == NULL )
return;
entry->owner = THIS_MODULE;
#endif
#endif
}
static void __exit
dmapi_cleanup_procfs(void)
{
#ifdef CONFIG_PROC_FS
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
remove_proc_entry( DMAPI_PROCFS, NULL);
#endif
remove_proc_entry( DMAPI_DBG_PROCFS "/summary", NULL);
remove_proc_entry( DMAPI_DBG_PROCFS "/fsreg", NULL);
remove_proc_entry( DMAPI_DBG_PROCFS "/sessions", NULL);
remove_proc_entry( DMAPI_DBG_PROCFS, NULL);
#endif
}
int __init dmapi_init(void)
{
int ret;
dm_tokdata_cachep = kmem_cache_create("dm_tokdata",
sizeof(struct dm_tokdata), 0, 0, NULL, NULL);
if (dm_tokdata_cachep == NULL)
return -ENOMEM;
dm_fsreg_cachep = kmem_cache_create("dm_fsreg",
sizeof(struct dm_fsreg), 0, 0, NULL, NULL);
if (dm_fsreg_cachep == NULL) {
kmem_cache_destroy(dm_tokdata_cachep);
return -ENOMEM;
}
dm_session_cachep = kmem_cache_create("dm_session",
sizeof(struct dm_session), 0, 0, NULL, NULL);
if (dm_session_cachep == NULL) {
kmem_cache_destroy(dm_tokdata_cachep);
kmem_cache_destroy(dm_fsreg_cachep);
return -ENOMEM;
}
ret = misc_register(&dmapi_dev);
if( ret != 0 )
printk(KERN_ERR "dmapi_init: misc_register returned %d\n", ret);
dmapi_init_procfs(dmapi_dev.minor);
return(0);
}
void __exit dmapi_uninit(void)
{
misc_deregister(&dmapi_dev);
dmapi_cleanup_procfs();
kmem_cache_destroy(dm_tokdata_cachep);
kmem_cache_destroy(dm_fsreg_cachep);
kmem_cache_destroy(dm_session_cachep);
dm_fsys_vector_free();
}
module_init(dmapi_init);
module_exit(dmapi_uninit);
MODULE_AUTHOR("Silicon Graphics, Inc.");
MODULE_DESCRIPTION("SGI Data Migration Subsystem");
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(dm_send_mount_event);
EXPORT_SYMBOL(dm_send_namesp_event);
EXPORT_SYMBOL(dm_send_unmount_event);
EXPORT_SYMBOL(dm_send_data_event);
EXPORT_SYMBOL(dm_send_destroy_event);
EXPORT_SYMBOL(dm_vp_to_handle);
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