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