65 static void complete_change_console(struct vc_data *vc);
266 do_unimap_ioctl(int cmd, struct unimapdesc __user *user_ud, int perm, struct vc_data *vc)  in do_unimap_ioctl()  argument
276 		return con_set_unimap(vc, tmp.entry_ct, tmp.entries);  in do_unimap_ioctl()
278 		if (!perm && fg_console != vc->vc_num)  in do_unimap_ioctl()
280 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp.entries);  in do_unimap_ioctl()
288 	struct vc_data *vc = NULL;  in vt_disallocate()  local
295 		vc = vc_deallocate(vc_num);  in vt_disallocate()
298 	if (vc && vc_num >= MIN_NR_CONSOLES) {  in vt_disallocate()
299 		tty_port_destroy(&vc->port);  in vt_disallocate()
300 		kfree(vc);  in vt_disallocate()
309 	struct vc_data *vc[MAX_NR_CONSOLES];  in vt_disallocate_all()  local
315 			vc[i] = vc_deallocate(i);  in vt_disallocate_all()
317 			vc[i] = NULL;  in vt_disallocate_all()
321 		if (vc[i] && i >= MIN_NR_CONSOLES) {  in vt_disallocate_all()
322 			tty_port_destroy(&vc[i]->port);  in vt_disallocate_all()
323 			kfree(vc[i]);  in vt_disallocate_all()
336 	struct vc_data *vc = tty->driver_data;  in vt_ioctl()  local
345 	console = vc->vc_num;  in vt_ioctl()
480 		if (vc->vc_mode == (unsigned char) arg)  in vt_ioctl()
482 		vc->vc_mode = (unsigned char) arg;  in vt_ioctl()
497 		uival = vc->vc_mode;  in vt_ioctl()
608 		vc->vt_mode = tmp;  in vt_ioctl()
610 		vc->vt_mode.frsig = 0;  in vt_ioctl()
611 		put_pid(vc->vt_pid);  in vt_ioctl()
612 		vc->vt_pid = get_pid(task_pid(current));  in vt_ioctl()
614 		vc->vt_newvt = -1;  in vt_ioctl()
625 		memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode));  in vt_ioctl()
758 		if (vc->vt_mode.mode != VT_PROCESS) {  in vt_ioctl()
766 		if (vc->vt_newvt >= 0) {  in vt_ioctl()
772 				vc->vt_newvt = -1;  in vt_ioctl()
780 				newvt = vc->vt_newvt;  in vt_ioctl()
781 				vc->vt_newvt = -1;  in vt_ioctl()
824 		struct vc_data *vc;  in vt_ioctl()  local
835 				vc = vc_cons[i].d;  in vt_ioctl()
837 				if (vc) {  in vt_ioctl()
838 					vc->vc_resize_user = 1;  in vt_ioctl()
857 			v.v_vlin = vc->vc_scan_lines;  in vt_ioctl()
965 		ret = con_font_op(vc, &op);  in vt_ioctl()
998 		con_clear_unimap(vc);  in vt_ioctl()
1003 		ret = do_unimap_ioctl(cmd, up, perm, vc);  in vt_ioctl()
1017 		ret = put_user(vc->vc_hi_font_mask,  in vt_ioctl()
1030 void reset_vc(struct vc_data *vc)  in reset_vc()  argument
1032 	vc->vc_mode = KD_TEXT;  in reset_vc()
1033 	vt_reset_unicode(vc->vc_num);  in reset_vc()
1034 	vc->vt_mode.mode = VT_AUTO;  in reset_vc()
1035 	vc->vt_mode.waitv = 0;  in reset_vc()
1036 	vc->vt_mode.relsig = 0;  in reset_vc()
1037 	vc->vt_mode.acqsig = 0;  in reset_vc()
1038 	vc->vt_mode.frsig = 0;  in reset_vc()
1039 	put_pid(vc->vt_pid);  in reset_vc()
1040 	vc->vt_pid = NULL;  in reset_vc()
1041 	vc->vt_newvt = -1;  in reset_vc()
1043 		reset_palette(vc);  in reset_vc()
1048 	struct vc *vc_con =  in vc_SAK()
1049 		container_of(work, struct vc, SAK_work);  in vc_SAK()
1050 	struct vc_data *vc;  in vc_SAK()  local
1054 	vc = vc_con->d;  in vc_SAK()
1055 	if (vc) {  in vc_SAK()
1057 		tty = vc->port.tty;  in vc_SAK()
1064 		reset_vc(vc);  in vc_SAK()
1127 			 int perm, struct console_font_op *op, struct vc_data *vc)  in compat_kdfontop_ioctl()  argument
1136 	i = con_font_op(vc, op);  in compat_kdfontop_ioctl()
1152 			 int perm, struct vc_data *vc)  in compat_unimap_ioctl()  argument
1164 		return con_set_unimap(vc, tmp.entry_ct, tmp_entries);  in compat_unimap_ioctl()
1166 		if (!perm && fg_console != vc->vc_num)  in compat_unimap_ioctl()
1168 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp_entries);  in compat_unimap_ioctl()
1176 	struct vc_data *vc = tty->driver_data;  in vt_compat_ioctl()  local
1178 	unsigned int console = vc->vc_num;  in vt_compat_ioctl()
1203 		return compat_kdfontop_ioctl(up, perm, &op, vc);  in vt_compat_ioctl()
1207 		return compat_unimap_ioctl(cmd, up, perm, vc);  in vt_compat_ioctl()
1251 static void complete_change_console(struct vc_data *vc)  in complete_change_console()  argument
1264 	switch_screen(vc);  in complete_change_console()
1276 	if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1277 		if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1288 	if (vc->vt_mode.mode == VT_PROCESS) {  in complete_change_console()
1294 		if (kill_pid(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {  in complete_change_console()
1304 			reset_vc(vc);  in complete_change_console()
1306 			if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1307 				if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1318 	vt_event_post(VT_EVENT_SWITCH, old, vc->vc_num);  in complete_change_console()
1327 	struct vc_data *vc;  in change_console()  local
1347 	vc = vc_cons[fg_console].d;  in change_console()
1348 	if (vc->vt_mode.mode == VT_PROCESS) {  in change_console()
1357 		vc->vt_newvt = new_vc->vc_num;  in change_console()
1358 		if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {  in change_console()
1376 		reset_vc(vc);  in change_console()
1386 	if (vc->vc_mode == KD_GRAPHICS)  in change_console()