/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ASM_GENERIC_ERROR_INJECTION_H#define _ASM_GENERIC_ERROR_INJECTION_H #if defined(__KERNEL__) && !defined(__ASSEMBLY__)enum {	EI_ETYPE_NONE,		/* Dummy value for undefined case */	EI_ETYPE_NULL,		/* Return NULL if failure */	EI_ETYPE_ERRNO,		/* Return -ERRNO if failure */	EI_ETYPE_ERRNO_NULL,	/* Return -ERRNO or NULL if failure */	EI_ETYPE_TRUE,		/* Return true if failure */}; struct error_injection_entry {	unsigned long	addr;	int		etype;}; #ifdef CONFIG_FUNCTION_ERROR_INJECTION/* * Whitelist ganerating macro. Specify functions which can be * error-injectable using this macro. */#define ALLOW_ERROR_INJECTION(fname, _etype)				\static struct error_injection_entry __used				\	__attribute__((__section__("_error_injection_whitelist")))	\	_eil_addr_##fname = {						\		.addr = (unsigned long)fname,				\		.etype = EI_ETYPE_##_etype,				\	};#else#define ALLOW_ERROR_INJECTION(fname, _etype)#endif#endif #endif /* _ASM_GENERIC_ERROR_INJECTION_H */