536fd8184b
Add additional sysfs nodes to monitor the transfer of firmware upload data to the target device: cancel: Write 1 to cancel the data transfer error: Display error status for a failed firmware upload remaining_size: Display the remaining amount of data to be transferred status: Display the progress of the firmware upload Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Tianfei zhang <tianfei.zhang@intel.com> Tested-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Link: https://lore.kernel.org/r/20220421212204.36052-6-russell.h.weight@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __FIRMWARE_UPLOAD_H
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#define __FIRMWARE_UPLOAD_H
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#include <linux/device.h>
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/**
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* enum fw_upload_prog - firmware upload progress codes
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* @FW_UPLOAD_PROG_IDLE: there is no firmware upload in progress
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* @FW_UPLOAD_PROG_RECEIVING: worker thread is receiving firmware data
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* @FW_UPLOAD_PROG_PREPARING: target device is preparing for firmware upload
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* @FW_UPLOAD_PROG_TRANSFERRING: data is being copied to the device
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* @FW_UPLOAD_PROG_PROGRAMMING: device is performing the firmware update
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* @FW_UPLOAD_PROG_MAX: Maximum progress code marker
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*/
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enum fw_upload_prog {
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FW_UPLOAD_PROG_IDLE,
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FW_UPLOAD_PROG_RECEIVING,
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FW_UPLOAD_PROG_PREPARING,
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FW_UPLOAD_PROG_TRANSFERRING,
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FW_UPLOAD_PROG_PROGRAMMING,
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FW_UPLOAD_PROG_MAX
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};
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struct fw_upload_priv {
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struct fw_upload *fw_upload;
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struct module *module;
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const char *name;
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const struct fw_upload_ops *ops;
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struct mutex lock; /* protect data structure contents */
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struct work_struct work;
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const u8 *data; /* pointer to update data */
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u32 remaining_size; /* size remaining to transfer */
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enum fw_upload_prog progress;
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enum fw_upload_prog err_progress; /* progress at time of failure */
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enum fw_upload_err err_code; /* security manager error code */
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};
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#ifdef CONFIG_FW_UPLOAD
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extern struct device_attribute dev_attr_status;
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extern struct device_attribute dev_attr_error;
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extern struct device_attribute dev_attr_cancel;
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extern struct device_attribute dev_attr_remaining_size;
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int fw_upload_start(struct fw_sysfs *fw_sysfs);
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umode_t fw_upload_is_visible(struct kobject *kobj, struct attribute *attr, int n);
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#else
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static inline int fw_upload_start(struct fw_sysfs *fw_sysfs)
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{
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return 0;
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}
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#endif
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#endif /* __FIRMWARE_UPLOAD_H */
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