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Diffstat (limited to '')
| -rw-r--r-- | arch/s390/include/asm/extmem.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/s390/include/asm/extmem.h b/arch/s390/include/asm/extmem.h new file mode 100644 index 000000000..568fd81bb --- /dev/null +++ b/arch/s390/include/asm/extmem.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * definitions for external memory segment support + * Copyright IBM Corp. 2003 + */ + +#ifndef _ASM_S390X_DCSS_H +#define _ASM_S390X_DCSS_H +#ifndef __ASSEMBLY__ + +/* possible values for segment type as returned by segment_info */ +#define SEG_TYPE_SW 0 +#define SEG_TYPE_EW 1 +#define SEG_TYPE_SR 2 +#define SEG_TYPE_ER 3 +#define SEG_TYPE_SN 4 +#define SEG_TYPE_EN 5 +#define SEG_TYPE_SC 6 +#define SEG_TYPE_EWEN 7 + +#define SEGMENT_SHARED 0 +#define SEGMENT_EXCLUSIVE 1 + +int segment_load (char *name, int segtype, unsigned long *addr, unsigned long *length); +void segment_unload(char *name); +void segment_save(char *name); +int segment_type (char* name); +int segment_modify_shared (char *name, int do_nonshared); +void segment_warning(int rc, char *seg_name); + +#endif +#endif |