From eaeff9608a8cf43a676b6f4b6235ea9d76192230 Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Wed, 19 May 2010 22:15:47 -0600 Subject: virtio: console: Let host know of port or device add failures The host may want to know and let management apps notify of port or device add failures. Send a control message saying the device or port is not ready in this case. Signed-off-by: Amit Shah Signed-off-by: Rusty Russell --- include/linux/virtio_console.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include') diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h index ae4f039515b4..015736113c25 100644 --- a/include/linux/virtio_console.h +++ b/include/linux/virtio_console.h @@ -14,6 +14,8 @@ #define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */ #define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */ +#define VIRTIO_CONSOLE_BAD_ID (~(u32)0) + struct virtio_console_config { /* colums of the screens */ __u16 cols; @@ -42,6 +44,7 @@ struct virtio_console_control { #define VIRTIO_CONSOLE_PORT_OPEN 3 #define VIRTIO_CONSOLE_PORT_NAME 4 #define VIRTIO_CONSOLE_PORT_REMOVE 5 +#define VIRTIO_CONSOLE_DEVICE_READY 6 #ifdef __KERNEL__ int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int)); -- cgit v1.2.3