35  * file system. If not already created, this routine will create the
64  * When Debugfs is configured this routine removes debugfs file system
81  *              or fc_trace_clear debugfs file
82  * @filp: The file pointer to read from.
85  * @ppos: The position in the file to start reading from.
91  * It will start reading file at @ppos and
97 static ssize_t fnic_trace_ctrl_read(struct file *filp,  in fnic_trace_ctrl_read()
113 		pr_err("fnic: Cannot read to any debugfs file\n");  in fnic_trace_ctrl_read()
121  *         fc_trace_clear debugfs file
122  * @filp: The file pointer to write from.
125  * @ppos: The position in the file to start writing to.
135 static ssize_t fnic_trace_ctrl_write(struct file *filp,  in fnic_trace_ctrl_write()
164 		pr_err("fnic: cannot write to any debugfs file\n");  in fnic_trace_ctrl_write()
181  * @file: The file pointer to attach the log output
184  * This routine is the entry point for the debugfs open file operation.
187  * the private_data field in @file.
194 				  struct file *file)  in fnic_trace_debugfs_open()  argument
222 	file->private_data = fnic_dbg_prt;  in fnic_trace_debugfs_open()
228  * fnic_trace_debugfs_lseek - Seek through a debugfs file
229  * @file: The file pointer to seek through.
234  * This routine is the entry point for the debugfs lseek file operation.
237  * figures out what the new offset of the debugfs file will be and assigns
238  * that value to the f_pos field of @file.
244 static loff_t fnic_trace_debugfs_lseek(struct file *file,  in fnic_trace_debugfs_lseek()  argument
248 	fnic_dbgfs_t *fnic_dbg_prt = file->private_data;  in fnic_trace_debugfs_lseek()
249 	return fixed_size_llseek(file, offset, howto,  in fnic_trace_debugfs_lseek()
254  * fnic_trace_debugfs_read - Read a debugfs file
255  * @file: The file pointer to read from.
258  * @pos: The position in the file to start reading from.
262  * field of @file. It will start reading at @pos and copy up to @nbytes of
267  * less than @nbytes if the end of the file was reached).
269 static ssize_t fnic_trace_debugfs_read(struct file *file,  in fnic_trace_debugfs_read()  argument
274 	fnic_dbgfs_t *fnic_dbg_prt = file->private_data;  in fnic_trace_debugfs_read()
284  * debugfs file data
286  * @file: The file pointer that contains the buffer to release
290  * file was opened.
296 					  struct file *file)  in fnic_trace_debugfs_release()  argument
298 	fnic_dbgfs_t *fnic_dbg_prt = file->private_data;  in fnic_trace_debugfs_release()
318  * file system. If not already created, this routine will create the
319  * create file trace to log fnic trace buffer output into debugfs and
320  * it will also create file trace_enable to control enable/disable of
342  * When Debugfs is configured this routine removes debugfs file system
360  * file system. If not already created, this routine will create the
361  * create file trace to log fnic fc trace buffer output into debugfs and
362  * it will also create file fc_trace_enable to control enable/disable of
399  * When Debugfs is configured this routine removes debugfs file system
419  * fnic_reset_stats_open - Open the reset_stats file
421  * @file: The file pointer to attach the stats reset flag.
424  * This routine opens a debugsfs file reset_stats and stores i_private data
426  * file oprations.
431 static int fnic_reset_stats_open(struct inode *inode, struct file *file)  in fnic_reset_stats_open()  argument
441 	file->private_data = debug;  in fnic_reset_stats_open()
447  * fnic_reset_stats_read - Read a reset_stats debugfs file
448  * @filp: The file pointer to read from.
451  * @ppos: The position in the file to start reading from.
455  * and stores into local @buf. It will start reading file at @ppos and
461 static ssize_t fnic_reset_stats_read(struct file *file,  in fnic_reset_stats_read()  argument
465 	struct stats_debug_info *debug = file->private_data;  in fnic_reset_stats_read()
476  * fnic_reset_stats_write - Write to reset_stats debugfs file
477  * @filp: The file pointer to write from.
480  * @ppos: The position in the file to start writing to.
489 static ssize_t fnic_reset_stats_write(struct file *file,  in fnic_reset_stats_write()  argument
493 	struct stats_debug_info *debug = file->private_data;  in fnic_reset_stats_write()
542  * debugfs file data
544  * @file: The file pointer that contains the buffer to release
548  * file was opened.
554 					struct file *file)  in fnic_reset_stats_release()  argument
556 	struct stats_debug_info *debug = file->private_data;  in fnic_reset_stats_release()
562  * fnic_stats_debugfs_open - Open the stats file for specific host
565  * @file: The file pointer to attach the specific host statistics.
568  * This routine opens a debugsfs file stats of specific host and print
575 					struct file *file)  in fnic_stats_debugfs_open()  argument
596 	file->private_data = debug;  in fnic_stats_debugfs_open()
602  * fnic_stats_debugfs_read - Read a debugfs file
603  * @file: The file pointer to read from.
606  * @pos: The position in the file to start reading from.
610  * field of @file. It will start reading at @pos and copy up to @nbytes of
615  * less than @nbytes if the end of the file was reached).
617 static ssize_t fnic_stats_debugfs_read(struct file *file,  in fnic_stats_debugfs_read()  argument
622 	struct stats_debug_info *debug = file->private_data;  in fnic_stats_debugfs_read()
632  * debugfs file data
634  * @file: The file pointer that contains the buffer to release
638  * file was opened.
644 					struct file *file)  in fnic_stats_debugfs_release()  argument
646 	struct stats_debug_info *debug = file->private_data;  in fnic_stats_debugfs_release()
668  * fnic_stats_init - Initialize stats struct and create stats file per fnic
671  * When Debugfs is configured this routine sets up the stats file per fnic
672  * It will create file stats and reset_stats under statistics/host# directory
701  * When Debugfs is configured this routine removes debugfs file system