LXR linux/arch/tile/include/asm/setup.h

   1/*
   2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3 *
   4 *   This program is free software; you can redistribute it and/or
   5 *   modify it under the terms of the GNU General Public License
   6 *   as published by the Free Software Foundation, version 2.
   7 *
   8 *   This program is distributed in the hope that it will be useful, but
   9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11 *   NON INFRINGEMENT.  See the GNU General Public License for
  12 *   more details.
  13 */
  14#ifndef _ASM_TILE_SETUP_H
  15#define _ASM_TILE_SETUP_H
  16
  17
  18#include <linux/pfn.h>
  19#include <linux/init.h>
  20#include <uapi/asm/setup.h>
  21
  22/*
  23 * Reserved space for vmalloc and iomap - defined in asm/page.h
  24 */
  25#define MAXMEM_PFN      PFN_DOWN(MAXMEM)
  26
  27int tile_console_write(const char *buf, int count);
  28void early_panic(const char *fmt, ...);
  29
  30/* Init-time routine to do tile-specific per-cpu setup. */
  31void setup_cpu(int boot);
  32
  33/* User-level DMA management functions */
  34void grant_dma_mpls(void);
  35void restrict_dma_mpls(void);
  36
  37#ifdef CONFIG_HARDWALL
  38/* User-level network management functions */
  39void reset_network_state(void);
  40struct task_struct;
  41void hardwall_switch_tasks(struct task_struct *prev, struct task_struct *next);
  42void hardwall_deactivate_all(struct task_struct *task);
  43int hardwall_ipi_valid(int cpu);
  44
  45/* Hook hardwall code into changes in affinity. */
  46#define arch_set_cpus_allowed(p, new_mask) do { \
  47        if (!cpumask_equal(&p->cpus_allowed, new_mask)) \
  48                hardwall_deactivate_all(p); \
  49} while (0)
  50#endif
  51
  52#endif /* _ASM_TILE_SETUP_H */
  53