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From: John Ogness <john.ogness@linutronix.de>
To: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH printk v5 3/8] console: Document struct console
Date: Mon,  9 Jan 2023 11:13:55 +0106	[thread overview]
Message-ID: <20230109100800.1085541-4-john.ogness@linutronix.de> (raw)
In-Reply-To: <20230109100800.1085541-1-john.ogness@linutronix.de>

From: Thomas Gleixner <tglx@linutronix.de>

Add kerneldoc comments to struct console.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
---
 include/linux/console.h | 54 ++++++++++++++++++++++++++++-------------
 1 file changed, 37 insertions(+), 17 deletions(-)

diff --git a/include/linux/console.h b/include/linux/console.h
index ed804dd7c2e8..1e36958aa656 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -164,24 +164,44 @@ enum cons_flags {
 	CON_EXTENDED		= BIT(6),
 };
 
+/**
+ * struct console - The console descriptor structure
+ * @name:		The name of the console driver
+ * @write:		Write callback to output messages (Optional)
+ * @read:		Read callback for console input (Optional)
+ * @device:		The underlying TTY device driver (Optional)
+ * @unblank:		Callback to unblank the console (Optional)
+ * @setup:		Callback for initializing the console (Optional)
+ * @exit:		Callback for teardown of the console (Optional)
+ * @match:		Callback for matching a console (Optional)
+ * @flags:		Console flags. See enum cons_flags
+ * @index:		Console index, e.g. port number
+ * @cflag:		TTY control mode flags
+ * @ispeed:		TTY input speed
+ * @ospeed:		TTY output speed
+ * @seq:		Sequence number of the next ringbuffer record to print
+ * @dropped:		Number of unreported dropped ringbuffer records
+ * @data:		Driver private data
+ * @node:		hlist node for the console list
+ */
 struct console {
-	char	name[16];
-	void	(*write)(struct console *, const char *, unsigned);
-	int	(*read)(struct console *, char *, unsigned);
-	struct tty_driver *(*device)(struct console *, int *);
-	void	(*unblank)(void);
-	int	(*setup)(struct console *, char *);
-	int	(*exit)(struct console *);
-	int	(*match)(struct console *, char *name, int idx, char *options);
-	short	flags;
-	short	index;
-	int	cflag;
-	uint	ispeed;
-	uint	ospeed;
-	u64	seq;
-	unsigned long dropped;
-	void	*data;
-	struct hlist_node node;
+	char			name[16];
+	void			(*write)(struct console *co, const char *s, unsigned int count);
+	int			(*read)(struct console *co, char *s, unsigned int count);
+	struct tty_driver	*(*device)(struct console *co, int *index);
+	void			(*unblank)(void);
+	int			(*setup)(struct console *co, char *options);
+	int			(*exit)(struct console *co);
+	int			(*match)(struct console *co, char *name, int idx, char *options);
+	short			flags;
+	short			index;
+	int			cflag;
+	uint			ispeed;
+	uint			ospeed;
+	u64			seq;
+	unsigned long		dropped;
+	void			*data;
+	struct hlist_node	node;
 };
 
 #ifdef CONFIG_LOCKDEP
-- 
2.30.2


  parent reply	other threads:[~2023-01-09 10:10 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-09 10:07 [PATCH printk v5 0/8] printk: cleanup buffer handling John Ogness
2023-01-09 10:07 ` [PATCH printk v5 1/8] printk: move size limit macros into internal.h John Ogness
2023-01-09 10:07 ` [PATCH printk v5 2/8] console: Use BIT() macros for @flags values John Ogness
2023-01-09 10:07 ` John Ogness [this message]
2023-01-09 10:07 ` [PATCH printk v5 4/8] printk: introduce struct printk_buffers John Ogness
2023-01-09 10:07 ` [PATCH printk v5 5/8] printk: introduce printk_get_next_message() and printk_message John Ogness
2023-01-09 10:07 ` [PATCH printk v5 6/8] printk: introduce console_prepend_dropped() for dropped messages John Ogness
2023-01-09 14:12   ` Petr Mladek
2023-01-09 10:07 ` [PATCH printk v5 7/8] printk: use printk_buffers for devkmsg John Ogness
2023-01-09 14:23   ` Petr Mladek
2023-01-09 10:08 ` [PATCH printk v5 8/8] printk: adjust string limit macros John Ogness
2023-01-09 15:10 ` [PATCH printk v5 0/8] printk: cleanup buffer handling Petr Mladek
2023-01-11 15:36   ` Petr Mladek

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