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
next prev 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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