1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights 5 * reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are 9 * met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * NETLOGIC_BSD 31 * $FreeBSD$ 32 */ 33 34 #ifndef _NLM_MSGRING_H 35 #define _NLM_MSGRING_H 36 #define CMS_DEFAULT_CREDIT 50 37 /* 38 * packets are sent to VC 0 of a thread 39 * freebacks are sent to VC 3 of a thread 40 */ 41 #define XLPGE_RX_VC 0 42 #define XLPGE_FB_VC 3 43 44 extern uint32_t xlp_msg_thread_mask; 45 46 struct nlm_fmn_msg; 47 typedef void (*msgring_handler)(int, int, int, int, struct nlm_fmn_msg *, void *); 48 49 int register_msgring_handler(int startb, int endb, msgring_handler action, 50 void *arg); 51 int xlp_handle_msg_vc(u_int vcmask, int max_msgs); 52 void xlp_msgring_cpu_init(int, int, int); 53 void xlp_cms_enable_intr(int , int , int , int); 54 #endif /* _NLM_MSGRING_H */ 55