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);
250 static int vt_kdsetmode(struct vc_data *vc, unsigned long mode)  in vt_kdsetmode()  argument
266 	if (vc->vc_mode == mode)  in vt_kdsetmode()
269 	vc->vc_mode = mode;  in vt_kdsetmode()
270 	if (vc->vc_num != fg_console)  in vt_kdsetmode()
287 	struct vc_data *vc = tty->driver_data;  in vt_k_ioctl()  local
289 	unsigned int console = vc->vc_num;  in vt_k_ioctl()
381 		return vt_kdsetmode(vc, arg);  in vt_k_ioctl()
384 		return put_user(vc->vc_mode, (int __user *)arg);  in vt_k_ioctl()
472 		ret = con_font_op(vc, &op);  in vt_k_ioctl()
487 static inline int do_fontx_ioctl(struct vc_data *vc, int cmd,  in do_fontx_ioctl()  argument
505 		return con_font_op(vc, op);  in do_fontx_ioctl()
514 		i = con_font_op(vc, op);  in do_fontx_ioctl()
526 static int vt_io_fontreset(struct vc_data *vc, struct console_font_op *op)  in vt_io_fontreset()  argument
540 	ret = con_font_op(vc, op);  in vt_io_fontreset()
545 	con_set_default_unimap(vc);  in vt_io_fontreset()
552 		bool perm, struct vc_data *vc)  in do_unimap_ioctl()  argument
562 		return con_set_unimap(vc, tmp.entry_ct, tmp.entries);  in do_unimap_ioctl()
564 		if (!perm && fg_console != vc->vc_num)  in do_unimap_ioctl()
566 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct),  in do_unimap_ioctl()
572 static int vt_io_ioctl(struct vc_data *vc, unsigned int cmd, void __user *up,  in vt_io_ioctl()  argument
587 		return con_font_op(vc, &op);  in vt_io_ioctl()
596 		return con_font_op(vc, &op);  in vt_io_ioctl()
612 		return do_fontx_ioctl(vc, cmd, up, &op);  in vt_io_ioctl()
618 		return vt_io_fontreset(vc, &op);  in vt_io_ioctl()
639 		con_clear_unimap(vc);  in vt_io_ioctl()
644 		return do_unimap_ioctl(cmd, up, perm, vc);  in vt_io_ioctl()
653 static int vt_reldisp(struct vc_data *vc, unsigned int swtch)  in vt_reldisp()  argument
657 	if (vc->vt_mode.mode != VT_PROCESS)  in vt_reldisp()
661 	if (vc->vt_newvt < 0) {  in vt_reldisp()
669 		vc->vt_newvt = -1;  in vt_reldisp()
674 	newvt = vc->vt_newvt;  in vt_reldisp()
675 	vc->vt_newvt = -1;  in vt_reldisp()
730 	struct vc_data *vc = NULL;  in vt_disallocate()  local
737 		vc = vc_deallocate(vc_num);  in vt_disallocate()
740 	if (vc && vc_num >= MIN_NR_CONSOLES)  in vt_disallocate()
741 		tty_port_put(&vc->port);  in vt_disallocate()
749 	struct vc_data *vc[MAX_NR_CONSOLES];  in vt_disallocate_all()  local
755 			vc[i] = vc_deallocate(i);  in vt_disallocate_all()
757 			vc[i] = NULL;  in vt_disallocate_all()
761 		if (vc[i] && i >= MIN_NR_CONSOLES)  in vt_disallocate_all()
762 			tty_port_put(&vc[i]->port);  in vt_disallocate_all()
766 static int vt_resizex(struct vc_data *vc, struct vt_consize __user *cs)  in vt_resizex()  argument
781 		vc = vc_cons[i].d;  in vt_resizex()
783 		if (vc) {  in vt_resizex()
784 			vc->vc_resize_user = 1;  in vt_resizex()
785 			vc_resize(vc, v.v_cols, v.v_rows);  in vt_resizex()
800 	struct vc_data *vc = tty->driver_data;  in vt_ioctl()  local
817 	ret = vt_io_ioctl(vc, cmd, up, perm);  in vt_ioctl()
836 		vc->vt_mode = tmp;  in vt_ioctl()
838 		vc->vt_mode.frsig = 0;  in vt_ioctl()
839 		put_pid(vc->vt_pid);  in vt_ioctl()
840 		vc->vt_pid = get_pid(task_pid(current));  in vt_ioctl()
842 		vc->vt_newvt = -1;  in vt_ioctl()
853 		memcpy(&tmp, &vc->vt_mode, sizeof(struct vt_mode));  in vt_ioctl()
948 		ret = vt_reldisp(vc, arg);  in vt_ioctl()
970 		struct vc_data *vc;  in vt_ioctl()  local
981 			vc = vc_cons[i].d;  in vt_ioctl()
983 			if (vc) {  in vt_ioctl()
984 				vc->vc_resize_user = 1;  in vt_ioctl()
997 		return vt_resizex(vc, up);  in vt_ioctl()
1010 		return put_user(vc->vc_hi_font_mask,  in vt_ioctl()
1021 void reset_vc(struct vc_data *vc)  in reset_vc()  argument
1023 	vc->vc_mode = KD_TEXT;  in reset_vc()
1024 	vt_reset_unicode(vc->vc_num);  in reset_vc()
1025 	vc->vt_mode.mode = VT_AUTO;  in reset_vc()
1026 	vc->vt_mode.waitv = 0;  in reset_vc()
1027 	vc->vt_mode.relsig = 0;  in reset_vc()
1028 	vc->vt_mode.acqsig = 0;  in reset_vc()
1029 	vc->vt_mode.frsig = 0;  in reset_vc()
1030 	put_pid(vc->vt_pid);  in reset_vc()
1031 	vc->vt_pid = NULL;  in reset_vc()
1032 	vc->vt_newvt = -1;  in reset_vc()
1034 		reset_palette(vc);  in reset_vc()
1039 	struct vc *vc_con =  in vc_SAK()
1040 		container_of(work, struct vc, SAK_work);  in vc_SAK()
1041 	struct vc_data *vc;  in vc_SAK()  local
1045 	vc = vc_con->d;  in vc_SAK()
1046 	if (vc) {  in vc_SAK()
1048 		tty = vc->port.tty;  in vc_SAK()
1055 		reset_vc(vc);  in vc_SAK()
1069 compat_fontx_ioctl(struct vc_data *vc, int cmd,  in compat_fontx_ioctl()  argument
1089 		return con_font_op(vc, op);  in compat_fontx_ioctl()
1098 		i = con_font_op(vc, op);  in compat_fontx_ioctl()
1120 			 int perm, struct console_font_op *op, struct vc_data *vc)  in compat_kdfontop_ioctl()  argument
1129 	i = con_font_op(vc, op);  in compat_kdfontop_ioctl()
1145 			 int perm, struct vc_data *vc)  in compat_unimap_ioctl()  argument
1157 		return con_set_unimap(vc, tmp.entry_ct, tmp_entries);  in compat_unimap_ioctl()
1159 		if (!perm && fg_console != vc->vc_num)  in compat_unimap_ioctl()
1161 		return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp_entries);  in compat_unimap_ioctl()
1169 	struct vc_data *vc = tty->driver_data;  in vt_compat_ioctl()  local
1188 		return compat_fontx_ioctl(vc, cmd, up, perm, &op);  in vt_compat_ioctl()
1191 		return compat_kdfontop_ioctl(up, perm, &op, vc);  in vt_compat_ioctl()
1195 		return compat_unimap_ioctl(cmd, up, perm, vc);  in vt_compat_ioctl()
1239 static void complete_change_console(struct vc_data *vc)  in complete_change_console()  argument
1252 	switch_screen(vc);  in complete_change_console()
1264 	if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1265 		if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1276 	if (vc->vt_mode.mode == VT_PROCESS) {  in complete_change_console()
1282 		if (kill_pid(vc->vt_pid, vc->vt_mode.acqsig, 1) != 0) {  in complete_change_console()
1292 			reset_vc(vc);  in complete_change_console()
1294 			if (old_vc_mode != vc->vc_mode) {  in complete_change_console()
1295 				if (vc->vc_mode == KD_TEXT)  in complete_change_console()
1306 	vt_event_post(VT_EVENT_SWITCH, old, vc->vc_num);  in complete_change_console()
1315 	struct vc_data *vc;  in change_console()  local
1335 	vc = vc_cons[fg_console].d;  in change_console()
1336 	if (vc->vt_mode.mode == VT_PROCESS) {  in change_console()
1345 		vc->vt_newvt = new_vc->vc_num;  in change_console()
1346 		if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {  in change_console()
1364 		reset_vc(vc);  in change_console()
1374 	if (vc->vc_mode == KD_GRAPHICS)  in change_console()