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); 28 29#ifdef CONFIG_EARLY_PRINTK 30void early_panic(const char *fmt, ...); 31#else 32#define early_panic panic 33#endif 34 35/* Init-time routine to do tile-specific per-cpu setup. */ 36void setup_cpu(int boot); 37 38/* User-level DMA management functions */ 39void grant_dma_mpls(void); 40void restrict_dma_mpls(void); 41 42#ifdef CONFIG_HARDWALL 43/* User-level network management functions */ 44void reset_network_state(void); 45struct task_struct; 46void hardwall_switch_tasks(struct task_struct *prev, struct task_struct *next); 47void hardwall_deactivate_all(struct task_struct *task); 48int hardwall_ipi_valid(int cpu); 49 50/* Hook hardwall code into changes in affinity. */ 51#define arch_set_cpus_allowed(p, new_mask) do { \ 52 if (!cpumask_equal(&p->cpus_allowed, new_mask)) \ 53 hardwall_deactivate_all(p); \ 54} while (0) 55#endif 56 57#endif /* _ASM_TILE_SETUP_H */ 58