xref: /openbmc/linux/arch/hexagon/include/asm/smp.h (revision afb46f79)
1 /*
2  * SMP definitions for the Hexagon architecture
3  *
4  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 and
8  * only version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18  * 02110-1301, USA.
19  */
20 
21 #ifndef __ASM_SMP_H
22 #define __ASM_SMP_H
23 
24 #include <linux/cpumask.h>
25 
26 #define raw_smp_processor_id() (current_thread_info()->cpu)
27 
28 enum ipi_message_type {
29 	IPI_NOP = 0,
30 	IPI_RESCHEDULE = 1,
31 	IPI_CALL_FUNC,
32 	IPI_CPU_STOP,
33 	IPI_TIMER,
34 };
35 
36 extern void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg);
37 extern void smp_start_cpus(void);
38 extern void arch_send_call_function_single_ipi(int cpu);
39 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
40 
41 extern void smp_vm_unmask_irq(void *info);
42 
43 #endif
44