62 static void complete_change_console(struct vc_data *vc);
263 do_unimap_ioctl(int cmd, struct unimapdesc __user *user_ud, int perm, struct vc_data *vc)  in do_unimap_ioctl()  argument
277 		return con_set_unimap(vc, tmp.entry_ct, tmp.entries);  in do_unimap_ioctl()
279 		if (!perm && fg_console != vc->vc_num)  in do_unimap_ioctl()
281 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp.entries);  in do_unimap_ioctl()
289 	struct vc_data *vc = NULL;  in vt_disallocate()  local
296 		vc = vc_deallocate(vc_num);  in vt_disallocate()
299 	if (vc && vc_num >= MIN_NR_CONSOLES) {  in vt_disallocate()
300 		tty_port_destroy(&vc->port);  in vt_disallocate()
301 		kfree(vc);  in vt_disallocate()
310 	struct vc_data *vc[MAX_NR_CONSOLES];  in vt_disallocate_all()  local
316 			vc[i] = vc_deallocate(i);  in vt_disallocate_all()
318 			vc[i] = NULL;  in vt_disallocate_all()
322 		if (vc[i] && i >= MIN_NR_CONSOLES) {  in vt_disallocate_all()
323 			tty_port_destroy(&vc[i]->port);  in vt_disallocate_all()
324 			kfree(vc[i]);  in vt_disallocate_all()
337 	struct vc_data *vc = tty->driver_data;  in vt_ioctl()  local
346 	console = vc->vc_num;  in vt_ioctl()
481 		if (vc->vc_mode == (unsigned char) arg)  in vt_ioctl()
483 		vc->vc_mode = (unsigned char) arg;  in vt_ioctl()
498 		uival = vc->vc_mode;  in vt_ioctl()
609 		vc->vt_mode = tmp;  in vt_ioctl()
611 		vc->vt_mode.frsig = 0;  in vt_ioctl()
612 		put_pid(vc->vt_pid);  in vt_ioctl()
613 		vc->vt_pid = get_pid(task_pid(current));  in vt_ioctl()
615 		vc->vt_newvt = -1;  in vt_ioctl()
626 		memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode));  in vt_ioctl()
757 		if (vc->vt_mode.mode != VT_PROCESS) {  in vt_ioctl()
765 		if (vc->vt_newvt >= 0) {  in vt_ioctl()
771 				vc->vt_newvt = -1;  in vt_ioctl()
779 				newvt = vc->vt_newvt;  in vt_ioctl()
780 				vc->vt_newvt = -1;  in vt_ioctl()
823 		struct vc_data *vc;  in vt_ioctl()  local
834 				vc = vc_cons[i].d;  in vt_ioctl()
836 				if (vc) {  in vt_ioctl()
837 					vc->vc_resize_user = 1;  in vt_ioctl()
865 		vlin = vlin ? vlin : vc->vc_scan_lines;  in vt_ioctl()
978 		ret = con_font_op(vc, &op);  in vt_ioctl()
1016 			con_clear_unimap(vc, &ui);  in vt_ioctl()
1022 		ret = do_unimap_ioctl(cmd, up, perm, vc);  in vt_ioctl()
1036 		ret = put_user(vc->vc_hi_font_mask,  in vt_ioctl()
1049 void reset_vc(struct vc_data *vc)  in reset_vc()  argument
1051 	vc->vc_mode = KD_TEXT;  in reset_vc()
1052 	vt_reset_unicode(vc->vc_num);  in reset_vc()
1053 	vc->vt_mode.mode = VT_AUTO;  in reset_vc()
1054 	vc->vt_mode.waitv = 0;  in reset_vc()
1055 	vc->vt_mode.relsig = 0;  in reset_vc()
1056 	vc->vt_mode.acqsig = 0;  in reset_vc()
1057 	vc->vt_mode.frsig = 0;  in reset_vc()
1058 	put_pid(vc->vt_pid);  in reset_vc()
1059 	vc->vt_pid = NULL;  in reset_vc()
1060 	vc->vt_newvt = -1;  in reset_vc()
1062 		reset_palette(vc);  in reset_vc()
1067 	struct vc *vc_con =  in vc_SAK()
1068 		container_of(work, struct vc, SAK_work);  in vc_SAK()
1069 	struct vc_data *vc;  in vc_SAK()  local
1073 	vc = vc_con->d;  in vc_SAK()
1074 	if (vc) {  in vc_SAK()
1076 		tty = vc->port.tty;  in vc_SAK()
1083 		reset_vc(vc);  in vc_SAK()
1146 			 int perm, struct console_font_op *op, struct vc_data *vc)  in compat_kdfontop_ioctl()  argument
1155 	i = con_font_op(vc, op);  in compat_kdfontop_ioctl()
1171 			 int perm, struct vc_data *vc)  in compat_unimap_ioctl()  argument
1187 		return con_set_unimap(vc, tmp.entry_ct, tmp_entries);  in compat_unimap_ioctl()
1189 		if (!perm && fg_console != vc->vc_num)  in compat_unimap_ioctl()
1191 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp_entries);  in compat_unimap_ioctl()
1199 	struct vc_data *vc = tty->driver_data;  in vt_compat_ioctl()  local
1206 	console = vc->vc_num;  in vt_compat_ioctl()
1231 		ret = compat_kdfontop_ioctl(up, perm, &op, vc);  in vt_compat_ioctl()
1236 		ret = compat_unimap_ioctl(cmd, up, perm, vc);  in vt_compat_ioctl()
1287 static void complete_change_console(struct vc_data *vc)  in complete_change_console()  argument
1300 	switch_screen(vc);  in complete_change_console()
1312 	if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1313 		if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1324 	if (vc->vt_mode.mode == VT_PROCESS) {  in complete_change_console()
1330 		if (kill_pid(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {  in complete_change_console()
1340 			reset_vc(vc);  in complete_change_console()
1342 			if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1343 				if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1354 	vt_event_post(VT_EVENT_SWITCH, old, vc->vc_num);  in complete_change_console()
1363 	struct vc_data *vc;  in change_console()  local
1383 	vc = vc_cons[fg_console].d;  in change_console()
1384 	if (vc->vt_mode.mode == VT_PROCESS) {  in change_console()
1393 		vc->vt_newvt = new_vc->vc_num;  in change_console()
1394 		if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {  in change_console()
1412 		reset_vc(vc);  in change_console()
1422 	if (vc->vc_mode == KD_GRAPHICS)  in change_console()