FreeBSD/Linux Kernel Cross Reference
sys/dev/mailbox/arm/arm_doorbell.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause
      *
      * Copyright (c) 2022 Ruslan Bukin <br@bsdpad.com>
      *
      * This work was supported by Innovate UK project 105694, "Digital Security
      * by Design (DSbD) Technology Platform Prototype".
      *
      * 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.
     * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
     *
     * $FreeBSD$
     */
    
    #ifndef _ARM64_SCMI_ARM_DOORBELL_H_
    #define _ARM64_SCMI_ARM_DOORBELL_H_
    
    struct arm_doorbell {
            device_t dev;
            device_t db_dev;
            int chan;
            int db;
            void (*func)(void *);
            void *arg;
    };
    
    void arm_doorbell_set(struct arm_doorbell *db);
    int arm_doorbell_get(struct arm_doorbell *db);
    struct arm_doorbell * arm_doorbell_ofw_get(device_t dev, const char *name);
    void arm_doorbell_set_handler(struct arm_doorbell *db, void (*func)(void *),
        void *arg);
    
    #endif /* !_ARM64_SCMI_ARM_DOORBELL_H_ */

Cache object: 45b37b6db19c5a14d45209e209c7bb71