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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_POWERPC_SYSCALLS_H
#define __ASM_POWERPC_SYSCALLS_H
#ifdef __KERNEL__
#include <linux/compiler.h>
#include <linux/linkage.h>
#include <linux/types.h>
#include <linux/compat.h>
/*
* long long munging:
* The 32 bit ABI passes long longs in an odd even register pair.
* High and low parts are swapped depending on endian mode,
* so define a macro (similar to mips linux32) to handle that.
*/
#ifdef __LITTLE_ENDIAN__
#define merge_64(low, high) (((u64)high << 32) | low)
#else
#define merge_64(high, low) (((u64)high << 32) | low)
#endif
struct rtas_args;
asmlinkage long sys_mmap(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, off_t offset);
asmlinkage long sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff);
asmlinkage long ppc64_personality(unsigned long personality);
asmlinkage long sys_rtas(struct rtas_args __user *uargs);
#ifdef CONFIG_COMPAT
unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff);
compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count,
u32 reg6, u32 pos1, u32 pos2);
compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count,
u32 reg6, u32 pos1, u32 pos2);
compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count);
int compat_sys_truncate64(const char __user *path, u32 reg4,
unsigned long len1, unsigned long len2);
long compat_sys_fallocate(int fd, int mode, u32 offset1, u32 offset2, u32 len1, u32 len2);
int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long len1,
unsigned long len2);
long ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2,
size_t len, int advice);
long compat_sys_sync_file_range2(int fd, unsigned int flags,
unsigned int offset1, unsigned int offset2,
unsigned int nbytes1, unsigned int nbytes2);
#endif
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_SYSCALLS_H */
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