1/*
2 *  include/asm-s390x/extmem.h
3 *
4 *  definitions for external memory segment support
5 *  Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
6 */
7
8#ifndef _ASM_S390X_DCSS_H
9#define _ASM_S390X_DCSS_H
10#ifndef __ASSEMBLY__
11
12/* possible values for segment type as returned by segment_info */
13#define SEG_TYPE_SW 0
14#define SEG_TYPE_EW 1
15#define SEG_TYPE_SR 2
16#define SEG_TYPE_ER 3
17#define SEG_TYPE_SN 4
18#define SEG_TYPE_EN 5
19#define SEG_TYPE_SC 6
20#define SEG_TYPE_EWEN 7
21
22#define SEGMENT_SHARED 0
23#define SEGMENT_EXCLUSIVE 1
24
25extern int segment_load (char *name,int segtype,unsigned long *addr,unsigned long *length);
26extern void segment_unload(char *name);
27extern void segment_save(char *name);
28extern int segment_type (char* name);
29extern int segment_modify_shared (char *name, int do_nonshared);
30
31#endif
32#endif
33