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/*
*
* (C) Copyright IBM Corp. 2001, 2003
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Module: libbsd.so
*
* File: helpers.h
*/
#ifndef _BSD_HELPERS_HEADER
#define _BSD_HELPERS_HEADER 1
DISKSEG * allocate_bsd_segment( LOGICALDISK *object );
void free_bsd_segment( DISKSEG *seg);
DISKSEG * create_bsd_metadata_segment( storage_object_t *object,
lba_t start,
sector_count_t size,
u_int32_t flags );
DISKSEG * create_bsd_data_segment( LOGICALDISK *ld,
lba_t start,
sector_count_t size,
bsd_partition_t *p,
u_int32_t minor,
u_int32_t object_flags );
int remove_bsd_segment_from_list( list_anchor_t seglist, DISKSEG *seg );
int insert_bsd_segment_into_list( list_anchor_t seglist, DISKSEG *seg);
int insert_bsd_segment_into_ordered_list( list_anchor_t seglist, DISKSEG *seg);
void prune_bsd_seg_objects_from_list( list_anchor_t list );
static inline LOGICALDISK * get_logical_disk( storage_object_t *object )
{
LOGICALDISK *ld=NULL;
if (object) {
if (object->object_type == DISK) {
ld = object;
}
else if (object->object_type == SEGMENT && object->plugin == bsd_plugin) {
if (object->private_data) {
if ( ((seg_private_data_t *)object->private_data)->signature == BSD_SEGMENT_PDATA_SIGNATURE ) {
ld = ((seg_private_data_t *)object->private_data)->logical_disk;
}
}
}
}
return ld;
}
static inline boolean isa_bsd_logical_disk( storage_object_t *ld )
{
disk_private_data_t *pdata;
if (ld) {
pdata = get_bsd_disk_private_data(ld);
if (pdata) {
return TRUE;
}
}
return FALSE;
}
static inline boolean isa_bsd_segment( storage_object_t *object )
{
seg_private_data_t *pdata;
if (object) {
pdata = (seg_private_data_t *) object->private_data;
if (pdata) {
if ( (object->plugin == bsd_plugin) &&
(pdata->signature == BSD_SEGMENT_PDATA_SIGNATURE)) {
return TRUE;
}
}
}
return FALSE;
}
static inline void display_bsd_disklabel( bsd_disklabel_t *disk_label )
{
if (disk_label) {
LOG_DEBUG("BSD Disk Label Info:\n");
LOG_DEBUG(" geometry: C= %d H= %d S= %d\n",
DISK_TO_CPU32(disk_label->d_ncylinders),
DISK_TO_CPU32(disk_label->d_ntracks),
DISK_TO_CPU32(disk_label->d_nsectors));
LOG_DEBUG(" sector size = %d\n",
DISK_TO_CPU32(disk_label->d_secsize) );
LOG_DEBUG(" number of bsd partition table entries: %d\n",
DISK_TO_CPU16(disk_label->d_npartitions) );
LOG_DEBUG(" size of boot area at sn0 in bytes : %d\n",
DISK_TO_CPU32(disk_label->d_bbsize) );
LOG_DEBUG(" max size of fs superblock in bytes : %d\n",
DISK_TO_CPU32(disk_label->d_sbsize) );
}
else {
LOG_ERROR("display_bsd_header: error, null ptr arg\n");
}
}
static inline boolean disk_move_pending( storage_object_t *object )
{
LOGICALDISK *ld=get_logical_disk(object);
disk_private_data_t *disk_pdata=NULL;
if ( ld ) {
disk_pdata = get_bsd_disk_private_data(ld);
if (disk_pdata) {
if (disk_pdata->flags & DISK_HAS_MOVE_PENDING) {
return TRUE;
}
}
}
return FALSE;
}
#endif
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