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kernel/linux-rt-4.4.41/arch/mips/include/asm/mach-netlogic/multi-node.h 2.66 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (c) 2003-2012 Broadcom Corporation
   * All Rights Reserved
   *
   * This software is available to you under a choice of one of two
   * licenses.  You may choose to be licensed under the terms of the GNU
   * General Public License (GPL) Version 2, available from the file
   * COPYING in the main directory of this source tree, or the Broadcom
   * license below:
   *
   * 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 BROADCOM ``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 BROADCOM 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.
   */
  
  #ifndef _NETLOGIC_MULTI_NODE_H_
  #define _NETLOGIC_MULTI_NODE_H_
  
  #ifndef CONFIG_NLM_MULTINODE
  #define NLM_NR_NODES		1
  #else
  #if defined(CONFIG_NLM_MULTINODE_2)
  #define NLM_NR_NODES		2
  #elif defined(CONFIG_NLM_MULTINODE_4)
  #define NLM_NR_NODES		4
  #else
  #define NLM_NR_NODES		1
  #endif
  #endif
  
  #define NLM_THREADS_PER_CORE	4
  
  struct nlm_soc_info {
  	unsigned long	coremask;	/* cores enabled on the soc */
  	unsigned long	ebase;		/* not used now */
  	uint64_t	irqmask;	/* EIMR for the node */
  	uint64_t	sysbase;	/* only for XLP - sys block base */
  	uint64_t	picbase;	/* PIC block base */
  	spinlock_t	piclock;	/* lock for PIC access */
  	cpumask_t	cpumask;	/* logical cpu mask for node */
  	unsigned int	socbus;
  };
  
  extern struct nlm_soc_info nlm_nodes[NLM_NR_NODES];
  #define nlm_get_node(i)		(&nlm_nodes[i])
  #define nlm_node_present(n)	((n) >= 0 && (n) < NLM_NR_NODES && \
  					nlm_get_node(n)->coremask != 0)
  #ifdef CONFIG_CPU_XLR
  #define nlm_current_node()	(&nlm_nodes[0])
  #else
  #define nlm_current_node()	(&nlm_nodes[nlm_nodeid()])
  #endif
  void nlm_node_init(int node);
  
  #endif