The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*-
    2  * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
    3  * reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions are
    7  * met:
    8  *
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in
   13  *    the documentation and/or other materials provided with the
   14  *    distribution.
   15  * 
   16  * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE 
   20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   26  * THE POSSIBILITY OF SUCH DAMAGE.
   27  *
   28  * NETLOGIC_BSD
   29  * $FreeBSD$
   30  */
   31 
   32 #ifndef _NLM_MSGRING_H
   33 #define _NLM_MSGRING_H
   34 #define CMS_DEFAULT_CREDIT      50
   35 /*
   36  * packets are sent to VC 0 of a thread
   37  * freebacks are sent to VC 3 of a thread
   38  */
   39 #define XLPGE_RX_VC             0
   40 #define XLPGE_FB_VC             3
   41 
   42 extern uint32_t xlp_msg_thread_mask;
   43 
   44 struct nlm_fmn_msg;
   45 typedef void (*msgring_handler)(int, int, int, int, struct nlm_fmn_msg *, void *);
   46 
   47 int register_msgring_handler(int startb, int endb, msgring_handler action,
   48                                     void *arg);
   49 int xlp_handle_msg_vc(u_int vcmask, int max_msgs);
   50 void xlp_msgring_cpu_init(int, int, int);
   51 void xlp_cms_enable_intr(int , int , int , int);
   52 #endif /* _NLM_MSGRING_H */

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