/* SPDX-License-Identifier: GPL-2.0 */#ifndef __FIRMWARE_FALLBACK_H#define __FIRMWARE_FALLBACK_H #include <linux/firmware.h>#include <linux/device.h> #include "firmware.h" /** * struct firmware_fallback_config - firmware fallback configuration settings * * Helps describe and fine tune the fallback mechanism. * * @force_sysfs_fallback: force the sysfs fallback mechanism to be used * 	as if one had enabled CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y. * 	Useful to help debug a CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y * 	functionality on a kernel where that config entry has been disabled. * @ignore_sysfs_fallback: force to disable the sysfs fallback mechanism. * 	This emulates the behaviour as if we had set the kernel * 	config CONFIG_FW_LOADER_USER_HELPER=n. * @old_timeout: for internal use * @loading_timeout: the timeout to wait for the fallback mechanism before * 	giving up, in seconds. */struct firmware_fallback_config {	unsigned int force_sysfs_fallback;	unsigned int ignore_sysfs_fallback;	int old_timeout;	int loading_timeout;}; #ifdef CONFIG_FW_LOADER_USER_HELPERint firmware_fallback_sysfs(struct firmware *fw, const char *name,			    struct device *device,			    u32 opt_flags,			    int ret);void kill_pending_fw_fallback_reqs(bool only_kill_custom); void fw_fallback_set_cache_timeout(void);void fw_fallback_set_default_timeout(void); int register_sysfs_loader(void);void unregister_sysfs_loader(void);#else /* CONFIG_FW_LOADER_USER_HELPER */static inline int firmware_fallback_sysfs(struct firmware *fw, const char *name,					  struct device *device,					  u32 opt_flags,					  int ret){	/* Keep carrying over the same error */	return ret;} static inline void kill_pending_fw_fallback_reqs(bool only_kill_custom) { }static inline void fw_fallback_set_cache_timeout(void) { }static inline void fw_fallback_set_default_timeout(void) { } static inline int register_sysfs_loader(void){	return 0;} static inline void unregister_sysfs_loader(void){}#endif /* CONFIG_FW_LOADER_USER_HELPER */ #ifdef CONFIG_EFI_EMBEDDED_FIRMWAREint firmware_fallback_platform(struct fw_priv *fw_priv);#elsestatic inline int firmware_fallback_platform(struct fw_priv *fw_priv){	return -ENOENT;}#endif #endif /* __FIRMWARE_FALLBACK_H */