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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119/* 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 */