FreeBSD/Linux Kernel Cross Reference
sys/mips/nlm/msgring.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright 2003-2011 Netlogic Microsystems (Netlogic). 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.
     * 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 Netlogic Microsystems ``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 NETLOGIC 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.
     *
     * NETLOGIC_BSD
     * $FreeBSD$
     */
    
    #ifndef _NLM_MSGRING_H
    #define _NLM_MSGRING_H
    #define CMS_DEFAULT_CREDIT      50
    /*
     * packets are sent to VC 0 of a thread
     * freebacks are sent to VC 3 of a thread
     */
    #define XLPGE_RX_VC             0
    #define XLPGE_FB_VC             3
    
    extern uint32_t xlp_msg_thread_mask;
    
    struct nlm_fmn_msg;
    typedef void (*msgring_handler)(int, int, int, int, struct nlm_fmn_msg *, void *);
    
    int register_msgring_handler(int startb, int endb, msgring_handler action,
                                        void *arg);
    int xlp_handle_msg_vc(u_int vcmask, int max_msgs);
    void xlp_msgring_cpu_init(int, int, int);
    void xlp_cms_enable_intr(int , int , int , int);
    #endif /* _NLM_MSGRING_H */

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