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
15#ifndef _ASM_TILE_SETUP_H
16#define _ASM_TILE_SETUP_H
17
18#define COMMAND_LINE_SIZE	2048
19
20#ifdef __KERNEL__
21
22#include <linux/pfn.h>
23#include <linux/init.h>
24
25/*
26 * Reserved space for vmalloc and iomap - defined in asm/page.h
27 */
28#define MAXMEM_PFN	PFN_DOWN(MAXMEM)
29
30void early_panic(const char *fmt, ...);
31void warn_early_printk(void);
32void __init disable_early_printk(void);
33
34/* Init-time routine to do tile-specific per-cpu setup. */
35void setup_cpu(int boot);
36
37/* User-level DMA management functions */
38void grant_dma_mpls(void);
39void restrict_dma_mpls(void);
40
41#ifdef CONFIG_HARDWALL
42/* User-level network management functions */
43void reset_network_state(void);
44struct task_struct;
45void hardwall_switch_tasks(struct task_struct *prev, struct task_struct *next);
46void hardwall_deactivate_all(struct task_struct *task);
47int hardwall_ipi_valid(int cpu);
48
49/* Hook hardwall code into changes in affinity. */
50#define arch_set_cpus_allowed(p, new_mask) do { \
51	if (!cpumask_equal(&p->cpus_allowed, new_mask)) \
52		hardwall_deactivate_all(p); \
53} while (0)
54#endif
55
56#endif /* __KERNEL__ */
57
58#endif /* _ASM_TILE_SETUP_H */