[mirror_ubuntu-eoan-kernel.git] / arch / tile / include / uapi / asm / hardwall.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright 2010 Tilera Corporation. All Rights Reserved.
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation, version 2.
 *
 *   This program is distributed in the hope that it will be useful, but
 *   WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
 *   NON INFRINGEMENT.  See the GNU General Public License for
 *   more details.
 *
 * Provide methods for access control of per-cpu resources like
 * UDN, IDN, or IPI.
 */

#ifndef _UAPI_ASM_TILE_HARDWALL_H
#define _UAPI_ASM_TILE_HARDWALL_H

#include <arch/chip.h>
#include <linux/ioctl.h>

#define HARDWALL_IOCTL_BASE 0xa2

/*
 * The HARDWALL_CREATE() ioctl is a macro with a "size" argument.
 * The resulting ioctl value is passed to the kernel in conjunction
 * with a pointer to a standard kernel bitmask of cpus.
 * For network resources (UDN or IDN) the bitmask must physically
 * represent a rectangular configuration on the chip.
 * The "size" is the number of bytes of cpu mask data.
 */
#define _HARDWALL_CREATE 1
#define HARDWALL_CREATE(size) \
  _IOC(_IOC_READ, HARDWALL_IOCTL_BASE, _HARDWALL_CREATE, (size))

#define _HARDWALL_ACTIVATE 2
#define HARDWALL_ACTIVATE \
  _IO(HARDWALL_IOCTL_BASE, _HARDWALL_ACTIVATE)

#define _HARDWALL_DEACTIVATE 3
#define HARDWALL_DEACTIVATE \
 _IO(HARDWALL_IOCTL_BASE, _HARDWALL_DEACTIVATE)

#define _HARDWALL_GET_ID 4
#define HARDWALL_GET_ID \
 _IO(HARDWALL_IOCTL_BASE, _HARDWALL_GET_ID)


#endif /* _UAPI_ASM_TILE_HARDWALL_H */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
df842f79 DH	2	/*
	3	* Copyright 2010 Tilera Corporation. All Rights Reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License
	7	* as published by the Free Software Foundation, version 2.
	8	*
	9	* This program is distributed in the hope that it will be useful, but
	10	* WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
	12	* NON INFRINGEMENT. See the GNU General Public License for
	13	* more details.
	14	*
	15	* Provide methods for access control of per-cpu resources like
	16	* UDN, IDN, or IPI.
	17	*/
	18
	19	#ifndef _UAPI_ASM_TILE_HARDWALL_H
	20	#define _UAPI_ASM_TILE_HARDWALL_H
	21
	22	#include <arch/chip.h>
	23	#include <linux/ioctl.h>
	24
	25	#define HARDWALL_IOCTL_BASE 0xa2
	26
	27	/*
	28	* The HARDWALL_CREATE() ioctl is a macro with a "size" argument.
	29	* The resulting ioctl value is passed to the kernel in conjunction
	30	* with a pointer to a standard kernel bitmask of cpus.
	31	* For network resources (UDN or IDN) the bitmask must physically
	32	* represent a rectangular configuration on the chip.
	33	* The "size" is the number of bytes of cpu mask data.
	34	*/
	35	#define _HARDWALL_CREATE 1
	36	#define HARDWALL_CREATE(size) \
	37	_IOC(_IOC_READ, HARDWALL_IOCTL_BASE, _HARDWALL_CREATE, (size))
	38
	39	#define _HARDWALL_ACTIVATE 2
	40	#define HARDWALL_ACTIVATE \
	41	_IO(HARDWALL_IOCTL_BASE, _HARDWALL_ACTIVATE)
	42
	43	#define _HARDWALL_DEACTIVATE 3
	44	#define HARDWALL_DEACTIVATE \
	45	_IO(HARDWALL_IOCTL_BASE, _HARDWALL_DEACTIVATE)
	46
	47	#define _HARDWALL_GET_ID 4
	48	#define HARDWALL_GET_ID \
	49	_IO(HARDWALL_IOCTL_BASE, _HARDWALL_GET_ID)
	50
	51
	52	#endif /* _UAPI_ASM_TILE_HARDWALL_H */