/* SPDX-License-Identifier: GPL-2.0 */#ifndef __FIRMWARE_SYSFS_H#define __FIRMWARE_SYSFS_H #include <linux/device.h> #include "firmware.h" MODULE_IMPORT_NS("FIRMWARE_LOADER_PRIVATE"); extern struct firmware_fallback_config fw_fallback_config;extern struct device_attribute dev_attr_loading; #ifdef CONFIG_FW_LOADER_USER_HELPER/** * 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;}; /* These getters are vetted to use int properly */static inline int __firmware_loading_timeout(void){	return fw_fallback_config.loading_timeout;} /* These setters are vetted to use int properly */static inline void __fw_fallback_set_timeout(int timeout){	fw_fallback_config.loading_timeout = timeout;}#endif #ifdef CONFIG_FW_LOADER_SYSFSint register_sysfs_loader(void);void unregister_sysfs_loader(void);#if defined(CONFIG_FW_LOADER_USER_HELPER) && defined(CONFIG_SYSCTL)int register_firmware_config_sysctl(void);void unregister_firmware_config_sysctl(void);#elsestatic inline int register_firmware_config_sysctl(void){	return 0;} static inline void unregister_firmware_config_sysctl(void) { }#endif /* CONFIG_FW_LOADER_USER_HELPER && CONFIG_SYSCTL */#else /* CONFIG_FW_LOADER_SYSFS */static inline int register_sysfs_loader(void){	return 0;} static inline void unregister_sysfs_loader(void){}#endif /* CONFIG_FW_LOADER_SYSFS */ struct fw_sysfs {	bool nowait;	struct device dev;	struct fw_priv *fw_priv;	struct firmware *fw;	void *fw_upload_priv;};#define to_fw_sysfs(__dev)	container_of_const(__dev, struct fw_sysfs, dev) void __fw_load_abort(struct fw_priv *fw_priv); static inline void fw_load_abort(struct fw_sysfs *fw_sysfs){	struct fw_priv *fw_priv = fw_sysfs->fw_priv; 	__fw_load_abort(fw_priv);} struct fw_sysfs *fw_create_instance(struct firmware *firmware, const char *fw_name,		   struct device *device, u32 opt_flags); #ifdef CONFIG_FW_UPLOADextern struct device_attribute dev_attr_status;extern struct device_attribute dev_attr_error;extern struct device_attribute dev_attr_cancel;extern struct device_attribute dev_attr_remaining_size; int fw_upload_start(struct fw_sysfs *fw_sysfs);void fw_upload_free(struct fw_sysfs *fw_sysfs);umode_t fw_upload_is_visible(struct kobject *kobj, struct attribute *attr, int n);#elsestatic inline int fw_upload_start(struct fw_sysfs *fw_sysfs){	return 0;} static inline void fw_upload_free(struct fw_sysfs *fw_sysfs){}#endif #endif /* __FIRMWARE_SYSFS_H */