diff options
| -rw-r--r-- | drivers/tty/vt/vt_ioctl.c | 16 | ||||
| -rw-r--r-- | include/uapi/linux/vt.h | 11 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 1f2bdd2e1cc5..61342e06970a 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -951,6 +951,22 @@ int vt_ioctl(struct tty_struct *tty, (unsigned short __user *)arg); case VT_WAITEVENT: return vt_event_wait_ioctl((struct vt_event __user *)arg); + + case VT_GETCONSIZECSRPOS: + { + struct vt_consizecsrpos concsr; + + console_lock(); + concsr.con_cols = vc->vc_cols; + concsr.con_rows = vc->vc_rows; + concsr.csr_col = vc->state.x; + concsr.csr_row = vc->state.y; + console_unlock(); + if (copy_to_user(up, &concsr, sizeof(concsr))) + return -EFAULT; + return 0; + } + default: return -ENOIOCTLCMD; } diff --git a/include/uapi/linux/vt.h b/include/uapi/linux/vt.h index e9d39c48520a..e5b0c492aa18 100644 --- a/include/uapi/linux/vt.h +++ b/include/uapi/linux/vt.h @@ -2,6 +2,8 @@ #ifndef _UAPI_LINUX_VT_H #define _UAPI_LINUX_VT_H +#include <linux/ioctl.h> +#include <linux/types.h> /* * These constants are also useful for user-level apps (e.g., VC @@ -84,4 +86,13 @@ struct vt_setactivate { #define VT_SETACTIVATE 0x560F /* Activate and set the mode of a console */ +/* get console size and cursor position */ +struct vt_consizecsrpos { + __u16 con_rows; /* number of console rows */ + __u16 con_cols; /* number of console columns */ + __u16 csr_row; /* current cursor's row */ + __u16 csr_col; /* current cursor's column */ +}; +#define VT_GETCONSIZECSRPOS _IOR('V', 0x10, struct vt_consizecsrpos) + #endif /* _UAPI_LINUX_VT_H */ |