File: [Development] / xfs-cmds / dmapi / libdm / dmapi_lib.c (download)
Revision 1.16, Wed Nov 9 05:02:30 2005 UTC (11 years, 11 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.15: +14 -29
lines
Update copyright annotations and license boilerplates to correspond with SGI Legals preferences.
Merge of master-melb:xfs-cmds:24332a by kenmcd.
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/*
* Copyright (c) 1995, 2001-2002 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <fcntl.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <stdint.h>
#include <dmapi.h>
#include <dmapi_kern.h>
#include "dmapi_lib.h"
#define Parg(y) (void*)va_arg(ap,y)
#define Uarg(y) (uint64_t)va_arg(ap,y)
static int dmapi_fd = -1;
int
dmi_init_service( char *versionstr )
{
/* On 2.6 kernels, /dev/dmapi is it */
dmapi_fd = open( "/dev/dmapi", O_RDWR );
if (dmapi_fd != -1)
return 0;
/* On 2.4 kernels, fs/dmapi_v2 is newer than fs/xfs_dmapi_v2. */
dmapi_fd = open( "/proc/fs/dmapi_v2", O_RDWR );
if (dmapi_fd != -1)
return 0;
dmapi_fd = open( "/proc/fs/xfs_dmapi_v2", O_RDWR );
if (dmapi_fd != -1)
return 0;
return -1;
}
int
dmi( int opcode, ... )
{
va_list ap;
sys_dmapi_args_t kargs;
sys_dmapi_args_t *u = &kargs;
int ret = 0;
if( dmapi_fd == -1 ){
/* dm_init_service wasn't called, or failed. The spec
* says my behavior is undefined.
*/
errno = ENOSYS;
return -1;
}
va_start(ap, opcode);
switch( opcode ){
/* dm_session */
case DM_CREATE_SESSION:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(char*);
DM_Parg(u,3) = Parg(dm_sessid_t*);
break;
case DM_QUERY_SESSION:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(size_t);
DM_Parg(u,3) = Parg(void*);
DM_Parg(u,4) = Parg(size_t*);
break;
case DM_GETALL_SESSIONS:
DM_Uarg(u,1) = Uarg(u_int);
DM_Parg(u,2) = Parg(dm_sessid_t*);
DM_Parg(u,3) = Parg(u_int*);
break;
case DM_DESTROY_SESSION:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
break;
case DM_GETALL_TOKENS:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(u_int);
DM_Parg(u,3) = Parg(dm_token_t*);
DM_Parg(u,4) = Parg(u_int*);
break;
case DM_FIND_EVENTMSG:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_token_t);
DM_Uarg(u,3) = Uarg(size_t);
DM_Parg(u,4) = Parg(void*);
DM_Parg(u,5) = Parg(size_t*);
break;
/* dm_config */
case DM_GET_CONFIG:
DM_Parg(u,1) = Parg(void*);
DM_Uarg(u,2) = Uarg(size_t);
DM_Uarg(u,3) = Uarg(dm_config_t);
DM_Parg(u,4) = Parg(dm_size_t*);
break;
case DM_GET_CONFIG_EVENTS:
DM_Parg(u,1) = Parg(void*);
DM_Uarg(u,2) = Uarg(size_t);
DM_Uarg(u,3) = Uarg(u_int);
DM_Parg(u,4) = Parg(dm_eventset_t*);
DM_Parg(u,5) = Parg(u_int*);
break;
/* dm_attr */
case DM_GET_FILEATTR:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_stat_t*);
break;
case DM_SET_FILEATTR:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_fileattr_t*);
break;
/* dm_bulkattr */
case DM_INIT_ATTRLOC:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_attrloc_t*);
break;
case DM_GET_BULKATTR:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_attrloc_t*);
DM_Uarg(u,7) = Uarg(size_t);
DM_Parg(u,8) = Parg(void*);
DM_Parg(u,9) = Parg(size_t*);
break;
case DM_GET_DIRATTRS:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_attrloc_t*);
DM_Uarg(u,7) = Uarg(size_t);
DM_Parg(u,8) = Parg(void*);
DM_Parg(u,9) = Parg(size_t*);
break;
case DM_GET_BULKALL:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_attrname_t*);
DM_Parg(u,7) = Parg(dm_attrloc_t*);
DM_Uarg(u,8) = Uarg(size_t);
DM_Parg(u,9) = Parg(void*);
DM_Parg(u,10) = Parg(size_t*);
break;
/* dm_dmattr */
case DM_CLEAR_INHERIT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_attrname_t*);
break;
case DM_GET_DMATTR:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_attrname_t*);
DM_Uarg(u,6) = Uarg(size_t);
DM_Parg(u,7) = Parg(void*);
DM_Parg(u,8) = Parg(size_t*);
break;
case DM_GETALL_DMATTR:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(size_t);
DM_Parg(u,6) = Parg(void*);
DM_Parg(u,7) = Parg(size_t*);
break;
case DM_GETALL_INHERIT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_inherit_t*);
DM_Parg(u,7) = Parg(u_int*);
break;
case DM_REMOVE_DMATTR:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(int);
DM_Parg(u,6) = Parg(dm_attrname_t*);
break;
case DM_SET_DMATTR:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_attrname_t*);
DM_Uarg(u,6) = Uarg(int);
DM_Uarg(u,7) = Uarg(size_t);
DM_Parg(u,8) = Parg(void*);
break;
case DM_SET_INHERIT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_attrname_t*);
DM_Uarg(u,6) = Uarg(mode_t);
break;
case DM_SET_RETURN_ON_DESTROY:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_attrname_t*);
DM_Uarg(u,6) = Uarg(dm_boolean_t);
break;
/* dm_event */
case DM_GET_EVENTS:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(u_int);
DM_Uarg(u,3) = Uarg(u_int);
DM_Uarg(u,4) = Uarg(size_t);
DM_Parg(u,5) = Parg(void*);
DM_Parg(u,6) = Parg(size_t*);
break;
case DM_RESPOND_EVENT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_token_t);
DM_Uarg(u,3) = Uarg(dm_response_t);
DM_Uarg(u,4) = Uarg(int);
DM_Uarg(u,5) = Uarg(size_t);
DM_Parg(u,6) = Parg(void*);
break;
case DM_GET_EVENTLIST:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_eventset_t*);
DM_Parg(u,7) = Parg(u_int*);
break;
case DM_SET_EVENTLIST:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_eventset_t*);
DM_Uarg(u,6) = Uarg(u_int);
break;
case DM_SET_DISP:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_eventset_t*);
DM_Uarg(u,6) = Uarg(u_int);
break;
case DM_CREATE_USEREVENT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(size_t);
DM_Parg(u,3) = Parg(void*);
DM_Parg(u,4) = Parg(dm_token_t*);
break;
case DM_SEND_MSG:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_msgtype_t);
DM_Uarg(u,3) = Uarg(size_t);
DM_Parg(u,4) = Parg(void*);
break;
case DM_MOVE_EVENT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_token_t);
DM_Uarg(u,3) = Uarg(dm_sessid_t);
DM_Parg(u,4) = Parg(dm_token_t*);
break;
case DM_PENDING:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_token_t);
DM_Parg(u,3) = Parg(dm_timestruct_t*);
break;
case DM_GETALL_DISP:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(size_t);
DM_Parg(u,3) = Parg(void*);
DM_Parg(u,4) = Parg(size_t*);
break;
/* dm_handle */
case DM_PATH_TO_HANDLE:
DM_Parg(u,1) = Parg(char*);
DM_Parg(u,2) = Parg(char*);
DM_Parg(u,3) = Parg(size_t*);
break;
case DM_PATH_TO_FSHANDLE:
DM_Parg(u,1) = Parg(char*);
DM_Parg(u,2) = Parg(char*);
DM_Parg(u,3) = Parg(size_t*);
break;
case DM_FD_TO_HANDLE:
DM_Uarg(u,1) = Uarg(int);
DM_Parg(u,2) = Parg(char*);
DM_Parg(u,3) = Parg(size_t*);
break;
case DM_CREATE_BY_HANDLE:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(void*);
DM_Uarg(u,6) = Uarg(size_t);
DM_Parg(u,7) = Parg(char*);
break;
case DM_MKDIR_BY_HANDLE:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(void*);
DM_Uarg(u,6) = Uarg(size_t);
DM_Parg(u,7) = Parg(char*);
break;
case DM_SYMLINK_BY_HANDLE:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(void*);
DM_Uarg(u,6) = Uarg(size_t);
DM_Parg(u,7) = Parg(char*);
DM_Parg(u,8) = Parg(char*);
break;
/* dm_handle2path */
case DM_OPEN_BY_HANDLE:
DM_Uarg(u,1) = Uarg(unsigned int);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(int);
break;
/* dm_hole */
case DM_GET_ALLOCINFO:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_off_t*);
DM_Uarg(u,6) = Uarg(u_int);
DM_Parg(u,7) = Parg(dm_extent_t*);
DM_Parg(u,8) = Parg(u_int*);
break;
case DM_PROBE_HOLE:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(dm_off_t);
DM_Uarg(u,6) = Uarg(dm_size_t);
DM_Parg(u,7) = Parg(dm_off_t*);
DM_Parg(u,8) = Parg(dm_size_t*);
break;
case DM_PUNCH_HOLE:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(dm_off_t);
DM_Uarg(u,6) = Uarg(dm_size_t);
break;
/* dm_mountinfo */
case DM_GET_MOUNTINFO:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(size_t);
DM_Parg(u,6) = Parg(void*);
DM_Parg(u,7) = Parg(size_t*);
break;
/* dm_rdwr */
case DM_READ_INVIS:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(dm_off_t);
DM_Uarg(u,6) = Uarg(dm_size_t);
DM_Parg(u,7) = Parg(void*);
break;
case DM_WRITE_INVIS:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(int);
DM_Uarg(u,6) = Uarg(dm_off_t);
DM_Uarg(u,7) = Uarg(dm_size_t);
DM_Parg(u,8) = Parg(void*);
break;
case DM_SYNC_BY_HANDLE:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
break;
case DM_GET_DIOINFO:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_dioinfo_t*);
break;
/* dm_region */
case DM_GET_REGION:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_region_t*);
DM_Parg(u,7) = Parg(u_int*);
break;
case DM_SET_REGION:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Parg(u,6) = Parg(dm_region_t*);
DM_Parg(u,7) = Parg(dm_boolean_t*);
break;
/* dm_right */
case DM_DOWNGRADE_RIGHT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
break;
case DM_OBJ_REF_HOLD:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_token_t);
DM_Parg(u,3) = Parg(void*);
DM_Uarg(u,4) = Uarg(size_t);
break;
case DM_OBJ_REF_QUERY:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_token_t);
DM_Parg(u,3) = Parg(void*);
DM_Uarg(u,4) = Uarg(size_t);
break;
case DM_OBJ_REF_RELE:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Uarg(u,2) = Uarg(dm_token_t);
DM_Parg(u,3) = Parg(void*);
DM_Uarg(u,4) = Uarg(size_t);
break;
case DM_QUERY_RIGHT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Parg(u,5) = Parg(dm_right_t*);
break;
case DM_RELEASE_RIGHT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
break;
case DM_REQUEST_RIGHT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
DM_Uarg(u,5) = Uarg(u_int);
DM_Uarg(u,6) = Uarg(dm_right_t);
break;
case DM_UPGRADE_RIGHT:
DM_Uarg(u,1) = Uarg(dm_sessid_t);
DM_Parg(u,2) = Parg(void*);
DM_Uarg(u,3) = Uarg(size_t);
DM_Uarg(u,4) = Uarg(dm_token_t);
break;
default:
errno = ENOSYS;
ret = -1;
break;
}
va_end(ap);
if( ret != -1 )
ret = ioctl( dmapi_fd, opcode, &kargs );
return(ret);
}
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