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

59 lines
1.6 KiB
C

/*
* 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
#define COMMAND_LINE_SIZE 2048
#ifdef __KERNEL__
#include <linux/pfn.h>
#include <linux/init.h>
/*
* Reserved space for vmalloc and iomap - defined in asm/page.h
*/
#define MAXMEM_PFN PFN_DOWN(MAXMEM)
void early_panic(const char *fmt, ...);
void warn_early_printk(void);
void __init disable_early_printk(void);
/* 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 /* __KERNEL__ */
#endif /* _ASM_TILE_SETUP_H */