Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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
27void early_panic(const char *fmt, ...);
28void warn_early_printk(void);
29void __init disable_early_printk(void);
30
31/* Init-time routine to do tile-specific per-cpu setup. */
32void setup_cpu(int boot);
33
34/* User-level DMA management functions */
35void grant_dma_mpls(void);
36void restrict_dma_mpls(void);
37
38#ifdef CONFIG_HARDWALL
39/* User-level network management functions */
40void reset_network_state(void);
41struct task_struct;
42void hardwall_switch_tasks(struct task_struct *prev, struct task_struct *next);
43void hardwall_deactivate_all(struct task_struct *task);
44int hardwall_ipi_valid(int cpu);
45
46/* Hook hardwall code into changes in affinity. */
47#define arch_set_cpus_allowed(p, new_mask) do { \
48 if (!cpumask_equal(&p->cpus_allowed, new_mask)) \
49 hardwall_deactivate_all(p); \
50} while (0)
51#endif
52
53#endif /* _ASM_TILE_SETUP_H */