1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 *  definitions for external memory segment support
4 *  Copyright IBM Corp. 2003
5 */
6
7#ifndef _ASM_S390X_DCSS_H
8#define _ASM_S390X_DCSS_H
9#ifndef __ASSEMBLY__
10
11/* possible values for segment type as returned by segment_info */
12#define SEG_TYPE_SW 0
13#define SEG_TYPE_EW 1
14#define SEG_TYPE_SR 2
15#define SEG_TYPE_ER 3
16#define SEG_TYPE_SN 4
17#define SEG_TYPE_EN 5
18#define SEG_TYPE_SC 6
19#define SEG_TYPE_EWEN 7
20
21#define SEGMENT_SHARED 0
22#define SEGMENT_EXCLUSIVE 1
23
24int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length);
25void segment_unload(char *name);
26void segment_save(char *name);
27int segment_type (char* name);
28int segment_modify_shared (char *name, int do_nonshared);
29void segment_warning(int rc, char *seg_name);
30
31#endif
32#endif
33