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kernel/linux-rt-4.4.41/arch/tile/include/asm/setup.h 1.56 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright 2010 Tilera Corporation. All Rights Reserved.
   *
   *   This program is free software; you can redistribute it and/or
   *   modify it under the terms of the GNU General Public License
   *   as published by the Free Software Foundation, version 2.
   *
   *   This program is distributed in the hope that it will be useful, but
   *   WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
   *   NON INFRINGEMENT.  See the GNU General Public License for
   *   more details.
   */
  #ifndef _ASM_TILE_SETUP_H
  #define _ASM_TILE_SETUP_H
  
  
  #include <linux/pfn.h>
  #include <linux/init.h>
  #include <uapi/asm/setup.h>
  
  /*
   * Reserved space for vmalloc and iomap - defined in asm/page.h
   */
  #define MAXMEM_PFN	PFN_DOWN(MAXMEM)
  
  int tile_console_write(const char *buf, int count);
  void early_panic(const char *fmt, ...);
  
  /* Init-time routine to do tile-specific per-cpu setup. */
  void setup_cpu(int boot);
  
  /* User-level DMA management functions */
  void grant_dma_mpls(void);
  void restrict_dma_mpls(void);
  
  #ifdef CONFIG_HARDWALL
  /* User-level network management functions */
  void reset_network_state(void);
  struct task_struct;
  void hardwall_switch_tasks(struct task_struct *prev, struct task_struct *next);
  void hardwall_deactivate_all(struct task_struct *task);
  int hardwall_ipi_valid(int cpu);
  
  /* Hook hardwall code into changes in affinity. */
  #define arch_set_cpus_allowed(p, new_mask) do { \
  	if (!cpumask_equal(&p->cpus_allowed, new_mask)) \
  		hardwall_deactivate_all(p); \
  } while (0)
  #endif
  
  #endif /* _ASM_TILE_SETUP_H */