/* SPDX-License-Identifier: GPL-2.0 *//* * syscall_wrapper.h - s390 specific wrappers to syscall definitions * */ #ifndef _ASM_S390_SYSCALL_WRAPPER_H#define _ASM_S390_SYSCALL_WRAPPER_H /* Mapping of registers to parameters for syscalls */#define SC_S390_REGS_TO_ARGS(x, ...)					\	__MAP(x, __SC_ARGS						\	      ,, regs->orig_gpr2,, regs->gprs[3],, regs->gprs[4]	\	      ,, regs->gprs[5],, regs->gprs[6],, regs->gprs[7]) #define SYSCALL_DEFINE0(sname)						\	SYSCALL_METADATA(_##sname, 0);					\	long __s390x_sys_##sname(struct pt_regs *__unused);		\	ALLOW_ERROR_INJECTION(__s390x_sys_##sname, ERRNO);		\	static inline long __do_sys_##sname(void);			\	long __s390x_sys_##sname(struct pt_regs *__unused)		\	{								\		return __do_sys_##sname();				\	}								\	static inline long __do_sys_##sname(void) #define COND_SYSCALL(name)						\	cond_syscall(__s390x_sys_##name) #define __S390_SYS_STUBx(x, fullname, name, ...) #define __SYSCALL_DEFINEx(x, name, ...)						\	long __s390x_sys##name(struct pt_regs *regs);				\	ALLOW_ERROR_INJECTION(__s390x_sys##name, ERRNO);			\	static inline long __se_sys##name(__MAP(x, __SC_LONG, __VA_ARGS__));	\	static inline long __do_sys##name(__MAP(x, __SC_DECL, __VA_ARGS__));	\	__S390_SYS_STUBx(x, name, __VA_ARGS__);					\	long __s390x_sys##name(struct pt_regs *regs)				\	{									\		return __se_sys##name(SC_S390_REGS_TO_ARGS(x, __VA_ARGS__));	\	}									\	static inline long __se_sys##name(__MAP(x, __SC_LONG, __VA_ARGS__))	\	{									\		__MAP(x, __SC_TEST, __VA_ARGS__);				\		return __do_sys##name(__MAP(x, __SC_CAST, __VA_ARGS__));	\	}									\	static inline long __do_sys##name(__MAP(x, __SC_DECL, __VA_ARGS__)) #endif /* _ASM_S390_SYSCALL_WRAPPER_H */