diff options
Diffstat (limited to 'arch/um/drivers/stdio_console.c')
| -rw-r--r-- | arch/um/drivers/stdio_console.c | 105 |
1 files changed, 50 insertions, 55 deletions
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c index 49266f6108c4..7b361f36ca96 100644 --- a/arch/um/drivers/stdio_console.c +++ b/arch/um/drivers/stdio_console.c @@ -3,37 +3,30 @@ * Licensed under the GPL */ -#include "linux/posix_types.h" -#include "linux/tty.h" -#include "linux/tty_flip.h" -#include "linux/types.h" -#include "linux/major.h" -#include "linux/kdev_t.h" -#include "linux/console.h" -#include "linux/string.h" -#include "linux/sched.h" -#include "linux/list.h" -#include "linux/init.h" -#include "linux/interrupt.h" -#include "linux/slab.h" -#include "linux/hardirq.h" -#include "asm/current.h" -#include "asm/irq.h" +#include <linux/posix_types.h> +#include <linux/tty.h> +#include <linux/tty_flip.h> +#include <linux/types.h> +#include <linux/major.h> +#include <linux/kdev_t.h> +#include <linux/console.h> +#include <linux/string.h> +#include <linux/sched.h> +#include <linux/list.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/hardirq.h> +#include <asm/current.h> +#include <asm/irq.h> #include "stdio_console.h" -#include "line.h" -#include "chan_kern.h" -#include "irq_user.h" +#include "chan.h" +#include <irq_user.h> #include "mconsole_kern.h" -#include "init.h" +#include <init.h> #define MAX_TTYS (16) -/* Referenced only by tty_driver below - presumably it's locked correctly - * by the tty driver. - */ - -static struct tty_driver *console_driver; - static void stdio_announce(char *dev_name, int dev) { printk(KERN_INFO "Virtual console %d assigned device '%s'\n", dev, @@ -77,9 +70,9 @@ static struct line_driver driver = { /* The array is initialized by line_init, at initcall time. The * elements are locked individually as needed. */ -static struct line vts[MAX_TTYS] = { LINE_INIT(CONFIG_CON_ZERO_CHAN, &driver), - [ 1 ... MAX_TTYS - 1 ] = - LINE_INIT(CONFIG_CON_CHAN, &driver) }; +static char *vt_conf[MAX_TTYS]; +static char *def_conf; +static struct line vts[MAX_TTYS]; static int con_config(char *str, char **error_out) { @@ -96,21 +89,17 @@ static int con_remove(int n, char **error_out) return line_remove(vts, ARRAY_SIZE(vts), n, error_out); } -static int con_open(struct tty_struct *tty, struct file *filp) -{ - int err = line_open(vts, tty); - if (err) - printk(KERN_ERR "Failed to open console %d, err = %d\n", - tty->index, err); - - return err; -} - /* Set in an initcall, checked in an exitcall */ static int con_init_done = 0; +static int con_install(struct tty_driver *driver, struct tty_struct *tty) +{ + return line_install(driver, tty, &vts[tty->index]); +} + static const struct tty_operations console_ops = { - .open = con_open, + .open = line_open, + .install = con_install, .close = line_close, .write = line_write, .put_char = line_put_char, @@ -119,9 +108,9 @@ static const struct tty_operations console_ops = { .flush_buffer = line_flush_buffer, .flush_chars = line_flush_chars, .set_termios = line_set_termios, - .ioctl = line_ioctl, .throttle = line_throttle, .unthrottle = line_unthrottle, + .hangup = line_hangup, }; static void uml_console_write(struct console *console, const char *string, @@ -131,14 +120,14 @@ static void uml_console_write(struct console *console, const char *string, unsigned long flags; spin_lock_irqsave(&line->lock, flags); - console_write_chan(&line->chan_list, string, len); + console_write_chan(line->chan_out, string, len); spin_unlock_irqrestore(&line->lock, flags); } static struct tty_driver *uml_console_device(struct console *c, int *index) { *index = c->index; - return console_driver; + return driver.driver; } static int uml_console_setup(struct console *co, char *options) @@ -161,18 +150,31 @@ static struct console stdiocons = { static int stdio_init(void) { char *new_title; + int err; + int i; - console_driver = register_lines(&driver, &console_ops, vts, + err = register_lines(&driver, &console_ops, vts, ARRAY_SIZE(vts)); - if (console_driver == NULL) - return -1; + if (err) + return err; + printk(KERN_INFO "Initialized stdio console driver\n"); new_title = add_xterm_umid(opts.xterm_title); if(new_title != NULL) opts.xterm_title = new_title; - lines_init(vts, ARRAY_SIZE(vts), &opts); + for (i = 0; i < MAX_TTYS; i++) { + char *error; + char *s = vt_conf[i]; + if (!s) + s = def_conf; + if (!s) + s = i ? CONFIG_CON_CHAN : CONFIG_CON_ZERO_CHAN; + if (setup_one_line(vts, i, s, &opts, &error)) + printk(KERN_ERR "setup_one_line failed for " + "device %d : %s\n", i, error); + } con_init_done = 1; register_console(&stdiocons); @@ -190,14 +192,7 @@ __uml_exitcall(console_exit); static int console_chan_setup(char *str) { - char *error; - int ret; - - ret = line_setup(vts, ARRAY_SIZE(vts), str, &error); - if(ret < 0) - printk(KERN_ERR "Failed to set up console with " - "configuration string \"%s\" : %s\n", str, error); - + line_setup(vt_conf, MAX_TTYS, &def_conf, str, "console"); return 1; } __setup("con", console_chan_setup); |