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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/
*/
#ifndef __XFS_DMAPI_H__
#define __XFS_DMAPI_H__
/* Values used to define the on-disk version of dm_attrname_t. All
* on-disk attribute names start with the 8-byte string "SGI_DMI_".
*
* In the on-disk inode, DMAPI attribute names consist of the user-provided
* name with the DMATTR_PREFIXSTRING pre-pended. This string must NEVER be
* changed.
*/
#define DMATTR_PREFIXLEN 8
#define DMATTR_PREFIXSTRING "SGI_DMI_"
#ifdef __KERNEL__
/* Defines for determining if an event message should be sent. */
#define DM_EVENT_ENABLED(vfsp, ip, event) ( \
((vfsp)->vfs_flag & VFS_DMI) && \
( ((ip)->i_d.di_dmevmask & (1 << event)) || \
((ip)->i_mount->m_dmevmask & (1 << event)) ) \
)
#define DM_EVENT_ENABLED_IO(vfsp, io, event) ( \
((vfsp)->vfs_flag & VFS_DMI) && \
( ((io)->io_dmevmask & (1 << event)) || \
((io)->io_mount->m_dmevmask & (1 << event)) ) \
)
/*
* Macros to turn caller specified delay/block flags into
* dm_send_xxxx_event flag DM_FLAGS_NDELAY.
*/
#define FILP_DELAY_FLAG(filp) ((filp->f_flags&(O_NDELAY|O_NONBLOCK)) ? \
DM_FLAGS_NDELAY : 0)
#define AT_DELAY_FLAG(f) ((f&ATTR_NONBLOCK) ? DM_FLAGS_NDELAY : 0)
extern int
xfs_dm_mount(
vfs_t *vfsp,
vnode_t *mvp,
char *dir_name,
char *fsname);
int
xfs_dm_get_fsys_vector(
bhv_desc_t *bdp,
dm_fcntl_vector_t *vecrq);
extern int
xfs_dm_send_data_event(
dm_eventtype_t event,
bhv_desc_t *bdp,
xfs_off_t offset,
size_t length,
int flags,
vrwlock_t *locktype);
extern int
xfs_dm_send_create_event(
bhv_desc_t *dir_bdp,
char *name,
mode_t new_mode,
int *good_event_sent);
int
xfs_dm_mapevent(
bhv_desc_t *bdp,
int flags,
xfs_off_t offset,
dm_fcntl_mapevent_t *maprq);
#endif /* __KERNEL__ */
#endif /* __XFS_DMAPI_H__ */
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