35  * file system. If not already created, this routine will create the
65  * When Debugfs is configured this routine removes debugfs file system
82  *              or fc_trace_clear debugfs file
83  * @filp: The file pointer to read from.
86  * @ppos: The position in the file to start reading from.
92  * It will start reading file at @ppos and
98 static ssize_t fnic_trace_ctrl_read(struct file *filp,  in fnic_trace_ctrl_read()
114 		pr_err("fnic: Cannot read to any debugfs file\n");  in fnic_trace_ctrl_read()
122  *         fc_trace_clear debugfs file
123  * @filp: The file pointer to write from.
126  * @ppos: The position in the file to start writing to.
136 static ssize_t fnic_trace_ctrl_write(struct file *filp,  in fnic_trace_ctrl_write()
165 		pr_err("fnic: cannot write to any debugfs file\n");  in fnic_trace_ctrl_write()
182  * @file: The file pointer to attach the log output
185  * This routine is the entry point for the debugfs open file operation.
188  * the private_data field in @file.
195 				  struct file *file)  in fnic_trace_debugfs_open()  argument
223 	file->private_data = fnic_dbg_prt;  in fnic_trace_debugfs_open()
229  * fnic_trace_debugfs_lseek - Seek through a debugfs file
230  * @file: The file pointer to seek through.
235  * This routine is the entry point for the debugfs lseek file operation.
238  * figures out what the new offset of the debugfs file will be and assigns
239  * that value to the f_pos field of @file.
245 static loff_t fnic_trace_debugfs_lseek(struct file *file,  in fnic_trace_debugfs_lseek()  argument
249 	fnic_dbgfs_t *fnic_dbg_prt = file->private_data;  in fnic_trace_debugfs_lseek()
250 	return fixed_size_llseek(file, offset, howto,  in fnic_trace_debugfs_lseek()
255  * fnic_trace_debugfs_read - Read a debugfs file
256  * @file: The file pointer to read from.
259  * @pos: The position in the file to start reading from.
263  * field of @file. It will start reading at @pos and copy up to @nbytes of
268  * less than @nbytes if the end of the file was reached).
270 static ssize_t fnic_trace_debugfs_read(struct file *file,  in fnic_trace_debugfs_read()  argument
275 	fnic_dbgfs_t *fnic_dbg_prt = file->private_data;  in fnic_trace_debugfs_read()
285  * debugfs file data
287  * @file: The file pointer that contains the buffer to release
291  * file was opened.
297 					  struct file *file)  in fnic_trace_debugfs_release()  argument
299 	fnic_dbgfs_t *fnic_dbg_prt = file->private_data;  in fnic_trace_debugfs_release()
319  * file system. If not already created, this routine will create the
320  * create file trace to log fnic trace buffer output into debugfs and
321  * it will also create file trace_enable to control enable/disable of
343  * When Debugfs is configured this routine removes debugfs file system
361  * file system. If not already created, this routine will create the
362  * create file trace to log fnic fc trace buffer output into debugfs and
363  * it will also create file fc_trace_enable to control enable/disable of
400  * When Debugfs is configured this routine removes debugfs file system
420  * fnic_reset_stats_open - Open the reset_stats file
422  * @file: The file pointer to attach the stats reset flag.
425  * This routine opens a debugsfs file reset_stats and stores i_private data
427  * file oprations.
432 static int fnic_reset_stats_open(struct inode *inode, struct file *file)  in fnic_reset_stats_open()  argument
442 	file->private_data = debug;  in fnic_reset_stats_open()
448  * fnic_reset_stats_read - Read a reset_stats debugfs file
449  * @filp: The file pointer to read from.
452  * @ppos: The position in the file to start reading from.
456  * and stores into local @buf. It will start reading file at @ppos and
462 static ssize_t fnic_reset_stats_read(struct file *file,  in fnic_reset_stats_read()  argument
466 	struct stats_debug_info *debug = file->private_data;  in fnic_reset_stats_read()
477  * fnic_reset_stats_write - Write to reset_stats debugfs file
478  * @filp: The file pointer to write from.
481  * @ppos: The position in the file to start writing to.
490 static ssize_t fnic_reset_stats_write(struct file *file,  in fnic_reset_stats_write()  argument
494 	struct stats_debug_info *debug = file->private_data;  in fnic_reset_stats_write()
543  * debugfs file data
545  * @file: The file pointer that contains the buffer to release
549  * file was opened.
555 					struct file *file)  in fnic_reset_stats_release()  argument
557 	struct stats_debug_info *debug = file->private_data;  in fnic_reset_stats_release()
563  * fnic_stats_debugfs_open - Open the stats file for specific host
566  * @file: The file pointer to attach the specific host statistics.
569  * This routine opens a debugsfs file stats of specific host and print
576 					struct file *file)  in fnic_stats_debugfs_open()  argument
597 	file->private_data = debug;  in fnic_stats_debugfs_open()
603  * fnic_stats_debugfs_read - Read a debugfs file
604  * @file: The file pointer to read from.
607  * @pos: The position in the file to start reading from.
611  * field of @file. It will start reading at @pos and copy up to @nbytes of
616  * less than @nbytes if the end of the file was reached).
618 static ssize_t fnic_stats_debugfs_read(struct file *file,  in fnic_stats_debugfs_read()  argument
623 	struct stats_debug_info *debug = file->private_data;  in fnic_stats_debugfs_read()
633  * debugfs file data
635  * @file: The file pointer that contains the buffer to release
639  * file was opened.
645 					struct file *file)  in fnic_stats_debugfs_release()  argument
647 	struct stats_debug_info *debug = file->private_data;  in fnic_stats_debugfs_release()
669  * fnic_stats_init - Initialize stats struct and create stats file per fnic
672  * When Debugfs is configured this routine sets up the stats file per fnic
673  * It will create file stats and reset_stats under statistics/host# directory
702  * When Debugfs is configured this routine removes debugfs file system