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 */