| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ASM_S390_MACCESS_H |
| #define __ASM_S390_MACCESS_H |
| |
| #include <linux/types.h> |
| |
| #define MEMCPY_REAL_SIZE PAGE_SIZE |
| #define MEMCPY_REAL_MASK PAGE_MASK |
| |
| struct iov_iter; |
| |
| extern unsigned long __memcpy_real_area; |
| extern pte_t *memcpy_real_ptep; |
| size_t memcpy_real_iter(struct iov_iter *iter, unsigned long src, size_t count); |
| int memcpy_real(void *dest, unsigned long src, size_t count); |
| #ifdef CONFIG_CRASH_DUMP |
| int copy_oldmem_kernel(void *dst, unsigned long src, size_t count); |
| #endif |
| |
| #endif /* __ASM_S390_MACCESS_H */ |
