mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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55a984928b
This reverts commit f1180ca37a. Since the
commit, the vt ioctl numbers are defined differently on platforms where
_IOC_NONE is non-zero: alpha, mips, powerpc, sparc.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Reported-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/all/436489B9-E67B-4630-909F-386C30A2AAC9@xenosoft.de/
Link: https://lore.kernel.org/all/97ec2636-915a-498c-903b-d66957420d21@csgroup.eu/
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250801082613.2564584-1-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_LINUX_VT_H
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#define _UAPI_LINUX_VT_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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/*
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* These constants are also useful for user-level apps (e.g., VC
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* resizing).
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*/
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#define MIN_NR_CONSOLES 1 /* must be at least 1 */
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#define MAX_NR_CONSOLES 63 /* serial lines start at 64 */
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/* Note: the ioctl VT_GETSTATE does not work for
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consoles 16 and higher (since it returns a short) */
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/* 0x56 is 'V', to avoid collision with termios and kd */
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#define VT_OPENQRY 0x5600 /* find available vt */
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struct vt_mode {
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__u8 mode; /* vt mode */
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__u8 waitv; /* if set, hang on writes if not active */
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__s16 relsig; /* signal to raise on release req */
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__s16 acqsig; /* signal to raise on acquisition */
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__s16 frsig; /* unused (set to 0) */
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};
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#define VT_GETMODE 0x5601 /* get mode of active vt */
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#define VT_SETMODE 0x5602 /* set mode of active vt */
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#define VT_AUTO 0x00 /* auto vt switching */
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#define VT_PROCESS 0x01 /* process controls switching */
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#define VT_ACKACQ 0x02 /* acknowledge switch */
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struct vt_stat {
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__u16 v_active; /* active vt */
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__u16 v_signal; /* signal to send */
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__u16 v_state; /* vt bitmask */
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};
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#define VT_GETSTATE 0x5603 /* get global vt state info */
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#define VT_SENDSIG 0x5604 /* signal to send to bitmask of vts */
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#define VT_RELDISP 0x5605 /* release display */
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#define VT_ACTIVATE 0x5606 /* make vt active */
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#define VT_WAITACTIVE 0x5607 /* wait for vt active */
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#define VT_DISALLOCATE 0x5608 /* free memory associated to vt */
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struct vt_sizes {
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__u16 v_rows; /* number of rows */
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__u16 v_cols; /* number of columns */
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__u16 v_scrollsize; /* number of lines of scrollback */
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};
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#define VT_RESIZE 0x5609 /* set kernel's idea of screensize */
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struct vt_consize {
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__u16 v_rows; /* number of rows */
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__u16 v_cols; /* number of columns */
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__u16 v_vlin; /* number of pixel rows on screen */
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__u16 v_clin; /* number of pixel rows per character */
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__u16 v_vcol; /* number of pixel columns on screen */
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__u16 v_ccol; /* number of pixel columns per character */
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};
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#define VT_RESIZEX 0x560A /* set kernel's idea of screensize + more */
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#define VT_LOCKSWITCH 0x560B /* disallow vt switching */
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#define VT_UNLOCKSWITCH 0x560C /* allow vt switching */
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#define VT_GETHIFONTMASK 0x560D /* return hi font mask */
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struct vt_event {
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__u32 event;
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#define VT_EVENT_SWITCH 0x0001 /* Console switch */
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#define VT_EVENT_BLANK 0x0002 /* Screen blank */
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#define VT_EVENT_UNBLANK 0x0004 /* Screen unblank */
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#define VT_EVENT_RESIZE 0x0008 /* Resize display */
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#define VT_MAX_EVENT 0x000F
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__u32 oldev; /* Old console */
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__u32 newev; /* New console (if changing) */
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__u32 pad[4]; /* Padding for expansion */
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};
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#define VT_WAITEVENT 0x560E /* Wait for an event */
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struct vt_setactivate {
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__u32 console;
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struct vt_mode mode;
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};
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#define VT_SETACTIVATE 0x560F /* Activate and set the mode of a console */
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/* get console size and cursor position */
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struct vt_consizecsrpos {
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__u16 con_rows; /* number of console rows */
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__u16 con_cols; /* number of console columns */
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__u16 csr_row; /* current cursor's row */
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__u16 csr_col; /* current cursor's column */
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};
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#define VT_GETCONSIZECSRPOS _IOR('V', 0x10, struct vt_consizecsrpos)
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#endif /* _UAPI_LINUX_VT_H */
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