1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2001 - 2013 Tensilica Inc.
7 */
8
9 #ifndef _XTENSA_SMP_H
10 #define _XTENSA_SMP_H
11
12 #ifdef CONFIG_SMP
13
14 #define raw_smp_processor_id() (current_thread_info()->cpu)
15 #define cpu_logical_map(cpu) (cpu)
16
17 struct start_info {
18 unsigned long stack;
19 };
20 extern struct start_info start_info;
21
22 struct cpumask;
23 void arch_send_call_function_ipi_mask(const struct cpumask *mask);
24 void arch_send_call_function_single_ipi(int cpu);
25
26 void secondary_start_kernel(void);
27 void smp_init_cpus(void);
28 void secondary_init_irq(void);
29 void ipi_init(void);
30 struct seq_file;
31 void show_ipi_list(struct seq_file *p, int prec);
32
33 #ifdef CONFIG_HOTPLUG_CPU
34
35 void __cpu_die(unsigned int cpu);
36 int __cpu_disable(void);
37 void __noreturn cpu_die(void);
38 void cpu_restart(void);
39
40 #endif /* CONFIG_HOTPLUG_CPU */
41
42 #endif /* CONFIG_SMP */
43
44 #endif /* _XTENSA_SMP_H */
45
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