arch/s390/include/asm/extmem.h

   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
  25 int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length);
  26 void segment_unload(char *name);
  27 void segment_save(char *name);
  28 int segment_type (char* name);
  29 int segment_modify_shared (char *name, int do_nonshared);
  30 void segment_warning(int rc, char *seg_name);
  31
  32 #endif
  33 #endif