xref: /openbmc/linux/arch/s390/include/asm/extmem.h (revision 293d5b43)
1 /*
2  *  definitions for external memory segment support
3  *  Copyright IBM Corp. 2003
4  */
5 
6 #ifndef _ASM_S390X_DCSS_H
7 #define _ASM_S390X_DCSS_H
8 #ifndef __ASSEMBLY__
9 
10 /* possible values for segment type as returned by segment_info */
11 #define SEG_TYPE_SW 0
12 #define SEG_TYPE_EW 1
13 #define SEG_TYPE_SR 2
14 #define SEG_TYPE_ER 3
15 #define SEG_TYPE_SN 4
16 #define SEG_TYPE_EN 5
17 #define SEG_TYPE_SC 6
18 #define SEG_TYPE_EWEN 7
19 
20 #define SEGMENT_SHARED 0
21 #define SEGMENT_EXCLUSIVE 1
22 
23 int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length);
24 void segment_unload(char *name);
25 void segment_save(char *name);
26 int segment_type (char* name);
27 int segment_modify_shared (char *name, int do_nonshared);
28 void segment_warning(int rc, char *seg_name);
29 
30 #endif
31 #endif
32