46 	const struct vc_data *vc = vc_cons[i].d;  in vt_in_use()  local
54 	return vc && kref_read(&vc->port.kref) > 1;  in vt_in_use()
86 static void complete_change_console(struct vc_data *vc);
252 static int vt_kdsetmode(struct vc_data *vc, unsigned long mode)  in vt_kdsetmode()  argument
267 	if (vc->vc_mode == mode)  in vt_kdsetmode()
270 	vc->vc_mode = mode;  in vt_kdsetmode()
271 	if (vc->vc_num != fg_console)  in vt_kdsetmode()
286 	struct vc_data *vc = tty->driver_data;  in vt_k_ioctl()  local
288 	unsigned int console = vc->vc_num;  in vt_k_ioctl()
381 		ret = vt_kdsetmode(vc, arg);  in vt_k_ioctl()
386 		return put_user(vc->vc_mode, (int __user *)arg);  in vt_k_ioctl()
474 		ret = con_font_op(vc, &op);  in vt_k_ioctl()
490 		bool perm, struct vc_data *vc)  in do_unimap_ioctl()  argument
500 		return con_set_unimap(vc, tmp.entry_ct, tmp.entries);  in do_unimap_ioctl()
502 		if (!perm && fg_console != vc->vc_num)  in do_unimap_ioctl()
504 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct),  in do_unimap_ioctl()
510 static int vt_io_ioctl(struct vc_data *vc, unsigned int cmd, void __user *up,  in vt_io_ioctl()  argument
541 		con_clear_unimap(vc);  in vt_io_ioctl()
546 		return do_unimap_ioctl(cmd, up, perm, vc);  in vt_io_ioctl()
555 static int vt_reldisp(struct vc_data *vc, unsigned int swtch)  in vt_reldisp()  argument
559 	if (vc->vt_mode.mode != VT_PROCESS)  in vt_reldisp()
563 	if (vc->vt_newvt < 0) {  in vt_reldisp()
571 		vc->vt_newvt = -1;  in vt_reldisp()
576 	newvt = vc->vt_newvt;  in vt_reldisp()
577 	vc->vt_newvt = -1;  in vt_reldisp()
632 	struct vc_data *vc = NULL;  in vt_disallocate()  local
639 		vc = vc_deallocate(vc_num);  in vt_disallocate()
642 	if (vc && vc_num >= MIN_NR_CONSOLES)  in vt_disallocate()
643 		tty_port_put(&vc->port);  in vt_disallocate()
651 	struct vc_data *vc[MAX_NR_CONSOLES];  in vt_disallocate_all()  local
657 			vc[i] = vc_deallocate(i);  in vt_disallocate_all()
659 			vc[i] = NULL;  in vt_disallocate_all()
663 		if (vc[i] && i >= MIN_NR_CONSOLES)  in vt_disallocate_all()
664 			tty_port_put(&vc[i]->port);  in vt_disallocate_all()
668 static int vt_resizex(struct vc_data *vc, struct vt_consize __user *cs)  in vt_resizex()  argument
678 		v.v_vlin = vc->vc_scan_lines;  in vt_resizex()
739 	struct vc_data *vc = tty->driver_data;  in vt_ioctl()  local
756 	ret = vt_io_ioctl(vc, cmd, up, perm);  in vt_ioctl()
775 		vc->vt_mode = tmp;  in vt_ioctl()
777 		vc->vt_mode.frsig = 0;  in vt_ioctl()
778 		put_pid(vc->vt_pid);  in vt_ioctl()
779 		vc->vt_pid = get_pid(task_pid(current));  in vt_ioctl()
781 		vc->vt_newvt = -1;  in vt_ioctl()
792 		memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode));  in vt_ioctl()
888 		ret = vt_reldisp(vc, arg);  in vt_ioctl()
910 		struct vc_data *vc;  in vt_ioctl()  local
921 			vc = vc_cons[i].d;  in vt_ioctl()
923 			if (vc) {  in vt_ioctl()
924 				vc->vc_resize_user = 1;  in vt_ioctl()
937 		return vt_resizex(vc, up);  in vt_ioctl()
950 		return put_user(vc->vc_hi_font_mask,  in vt_ioctl()
961 void reset_vc(struct vc_data *vc)  in reset_vc()  argument
963 	vc->vc_mode = KD_TEXT;  in reset_vc()
964 	vt_reset_unicode(vc->vc_num);  in reset_vc()
965 	vc->vt_mode.mode = VT_AUTO;  in reset_vc()
966 	vc->vt_mode.waitv = 0;  in reset_vc()
967 	vc->vt_mode.relsig = 0;  in reset_vc()
968 	vc->vt_mode.acqsig = 0;  in reset_vc()
969 	vc->vt_mode.frsig = 0;  in reset_vc()
970 	put_pid(vc->vt_pid);  in reset_vc()
971 	vc->vt_pid = NULL;  in reset_vc()
972 	vc->vt_newvt = -1;  in reset_vc()
973 	reset_palette(vc);  in reset_vc()
978 	struct vc *vc_con =  in vc_SAK()
979 		container_of(work, struct vc, SAK_work);  in vc_SAK()
980 	struct vc_data *vc;  in vc_SAK()  local
984 	vc = vc_con->d;  in vc_SAK()
985 	if (vc) {  in vc_SAK()
987 		tty = vc->port.tty;  in vc_SAK()
994 		reset_vc(vc);  in vc_SAK()
1011 			 int perm, struct console_font_op *op, struct vc_data *vc)  in compat_kdfontop_ioctl()  argument
1020 	i = con_font_op(vc, op);  in compat_kdfontop_ioctl()
1036 			 int perm, struct vc_data *vc)  in compat_unimap_ioctl()  argument
1048 		return con_set_unimap(vc, tmp.entry_ct, tmp_entries);  in compat_unimap_ioctl()
1050 		if (!perm && fg_console != vc->vc_num)  in compat_unimap_ioctl()
1052 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp_entries);  in compat_unimap_ioctl()
1060 	struct vc_data *vc = tty->driver_data;  in vt_compat_ioctl()  local
1079 		return compat_kdfontop_ioctl(up, perm, &op, vc);  in vt_compat_ioctl()
1083 		return compat_unimap_ioctl(cmd, up, perm, vc);  in vt_compat_ioctl()
1127 static void complete_change_console(struct vc_data *vc)  in complete_change_console()  argument
1140 	switch_screen(vc);  in complete_change_console()
1152 	if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1153 		if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1164 	if (vc->vt_mode.mode == VT_PROCESS) {  in complete_change_console()
1170 		if (kill_pid(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {  in complete_change_console()
1180 			reset_vc(vc);  in complete_change_console()
1182 			if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1183 				if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1194 	vt_event_post(VT_EVENT_SWITCH, old, vc->vc_num);  in complete_change_console()
1203 	struct vc_data *vc;  in change_console()  local
1223 	vc = vc_cons[fg_console].d;  in change_console()
1224 	if (vc->vt_mode.mode == VT_PROCESS) {  in change_console()
1233 		vc->vt_newvt = new_vc->vc_num;  in change_console()
1234 		if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {  in change_console()
1252 		reset_vc(vc);  in change_console()
1262 	if (vc->vc_mode == KD_GRAPHICS)  in change_console()