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[scsi] Generalise iscsi_parse_lun() to scsi_parse_lun()

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This commit is contained in:
Michael Brown
2009-08-09 15:30:07 +01:00
parent 976f12c501
commit d944794680
4 changed files with 48 additions and 48 deletions
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30
src/drivers/block/scsi.c
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@@ -19,6 +19,7 @@
FILE_LICENCE ( GPL2_OR_LATER );
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <byteswap.h>
#include <errno.h>
@@ -334,3 +335,32 @@ int init_scsidev ( struct scsi_device *scsi ) {
return 0;
}
/**
* Parse SCSI LUN
*
* @v lun_string LUN string representation
* @v lun LUN to fill in
* @ret rc Return status code
*/
int scsi_parse_lun ( const char *lun_string, struct scsi_lun *lun ) {
char *p;
int i;
memset ( lun, 0, sizeof ( *lun ) );
if ( lun_string ) {
p = ( char * ) lun_string;
for ( i = 0 ; i < 4 ; i++ ) {
lun->u16[i] = htons ( strtoul ( p, &p, 16 ) );
if ( *p == '\0' )
break;
if ( *p != '-' )
return -EINVAL;
p++;
}
if ( *p )
return -EINVAL;
}
return 0;
}