xref: /openbmc/linux/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_cfg.h (revision 371ebdbe)

/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/**
 * Copyright (c) 2010-2014 Broadcom. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The names of the above-listed copyright holders may not be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * ALTERNATIVELY, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2, as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef VCHIQ_CFG_H
#define VCHIQ_CFG_H

#define VCHIQ_MAGIC              VCHIQ_MAKE_FOURCC('V', 'C', 'H', 'I')
/* The version of VCHIQ - change with any non-trivial change */
#define VCHIQ_VERSION            8
/* The minimum compatible version - update to match VCHIQ_VERSION with any
** incompatible change */
#define VCHIQ_VERSION_MIN        3

/* The version that introduced the VCHIQ_IOC_LIB_VERSION ioctl */
#define VCHIQ_VERSION_LIB_VERSION 7

/* The version that introduced the VCHIQ_IOC_CLOSE_DELIVERED ioctl */
#define VCHIQ_VERSION_CLOSE_DELIVERED 7

/* The version that made it safe to use SYNCHRONOUS mode */
#define VCHIQ_VERSION_SYNCHRONOUS_MODE 8

#define VCHIQ_MAX_STATES         1
#define VCHIQ_MAX_SERVICES       4096
#define VCHIQ_MAX_SLOTS          128
#define VCHIQ_MAX_SLOTS_PER_SIDE 64

#define VCHIQ_NUM_CURRENT_BULKS        32
#define VCHIQ_NUM_SERVICE_BULKS        4

#ifndef VCHIQ_ENABLE_DEBUG
#define VCHIQ_ENABLE_DEBUG             1
#endif

#ifndef VCHIQ_ENABLE_STATS
#define VCHIQ_ENABLE_STATS             1
#endif

#endif /* VCHIQ_CFG_H */