diff options
| -rw-r--r-- | sys/dev/xen/console/console.c | 68 |
1 files changed, 27 insertions, 41 deletions
diff --git a/sys/dev/xen/console/console.c b/sys/dev/xen/console/console.c index 68bb0ae..df5c3ee 100644 --- a/sys/dev/xen/console/console.c +++ b/sys/dev/xen/console/console.c @@ -45,17 +45,15 @@ static int xc_mute; static void xcons_force_flush(void); static void xencons_priv_interrupt(void *); -static cn_probe_t xccnprobe; -static cn_init_t xccninit; -static cn_getc_t xccngetc; -static cn_putc_t xccnputc; -static cn_putc_t xccnputc_dom0; -static cn_checkc_t xccncheckc; +static cn_probe_t xc_cnprobe; +static cn_init_t xc_cninit; +static cn_term_t xc_cnterm; +static cn_getc_t xc_cngetc; +static cn_putc_t xc_cnputc; #define XC_POLLTIME (hz/10) -CONS_DRIVER(xc, xccnprobe, xccninit, NULL, xccngetc, - xccncheckc, xccnputc, NULL); +CONSOLE_DRIVER(xc); static int xen_console_up; static boolean_t xc_start_needed; @@ -105,7 +103,7 @@ static struct ttydevsw xc_ttydevsw = { }; static void -xccnprobe(struct consdev *cp) +xc_cnprobe(struct consdev *cp) { cp->cn_pri = CN_REMOTE; sprintf(cp->cn_name, "%s0", driver_name); @@ -113,37 +111,19 @@ xccnprobe(struct consdev *cp) static void -xccninit(struct consdev *cp) +xc_cninit(struct consdev *cp) { CN_LOCK_INIT(cn_mtx,"XCONS LOCK"); } -int -xccngetc(struct consdev *dev) -{ - int c; - if (xc_mute) - return 0; - do { - if ((c = xccncheckc(dev)) == -1) { -#ifdef KDB - if (!kdb_active) -#endif - /* - * Polling without sleeping in Xen - * doesn't work well. Sleeping gives - * other things like clock a chance to - * run - */ - tsleep(&cn_mtx, PWAIT | PCATCH, - "console sleep", XC_POLLTIME); - } - } while(c == -1); - return c; + +static void +xc_cnterm(struct consdev *cp) +{ } -int -xccncheckc(struct consdev *dev) +static int +xc_cngetc(struct consdev *dev) { int ret = (xc_mute ? 0 : -1); @@ -162,17 +142,27 @@ xccncheckc(struct consdev *dev) } static void -xccnputc(struct consdev *dev, int c) +xc_cnputc_domu(struct consdev *dev, int c) { xcons_putc(c); } static void -xccnputc_dom0(struct consdev *dev, int c) +xc_cnputc_dom0(struct consdev *dev, int c) { HYPERVISOR_console_io(CONSOLEIO_write, 1, (char *)&c); } +static void +xc_cnputc(struct consdev *dev, int c) +{ + + if (xen_start_info->flags & SIF_INITDOMAIN) + xc_cnputc_dom0(dev, c); + else + xc_cnputc_domu(dev, c); +} + extern int db_active; static boolean_t xcons_putc(int c) @@ -226,10 +216,6 @@ xc_attach(device_t dev) { int error; - if (xen_start_info->flags & SIF_INITDOMAIN) { - xc_consdev.cn_putc = xccnputc_dom0; - } - xccons = tty_alloc(&xc_ttydevsw, NULL); tty_makedev(xccons, NULL, "xc%r", 0); @@ -388,7 +374,7 @@ xc_timeout(void *v) tp = (struct tty *)v; tty_lock(tp); - while ((c = xccncheckc(NULL)) != -1) + while ((c = xc_cngetc(NULL)) != -1) ttydisc_rint(tp, c, 0); if (xc_start_needed) { |
