/* $Id: rmixl_fmnvar.h,v 1.5 2024/06/06 21:18:41 andvar Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Cliff Neighbors.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* compute FMN dest_id from MIPS cpuid
* - each Core FMN station has 8 buckets
* - each Core has 4 threads
* - here we use 1 bucket per thread
* (the first four buckets)
* - if we need { hi, lo } priority buckets per thread
* need to adjust the RMIXL_FMN_DESTID macro
* and use the 'pri' parameter
* - i.e. for now there is only one priority
*/
#define RMIXL_CPU_CORE(cpuid) ((uint32_t)((cpuid) & __BITS(9,0)) >> 2)
#define RMIXL_CPU_THREAD(cpuid) ((uint32_t)((cpuid) & __BITS(1,0)))
#define RMIXL_FMN_CORE_DESTID(core, bucket) \
(((core) << 3) | (bucket))