xref: /OK3568_Linux_fs/kernel/arch/hexagon/include/asm/smp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * SMP definitions for the Hexagon architecture
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __ASM_SMP_H
9*4882a593Smuzhiyun #define __ASM_SMP_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/cpumask.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define raw_smp_processor_id() (current_thread_info()->cpu)
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun enum ipi_message_type {
16*4882a593Smuzhiyun 	IPI_NOP = 0,
17*4882a593Smuzhiyun 	IPI_RESCHEDULE = 1,
18*4882a593Smuzhiyun 	IPI_CALL_FUNC,
19*4882a593Smuzhiyun 	IPI_CPU_STOP,
20*4882a593Smuzhiyun 	IPI_TIMER,
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun extern void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg);
24*4882a593Smuzhiyun extern void smp_start_cpus(void);
25*4882a593Smuzhiyun extern void arch_send_call_function_single_ipi(int cpu);
26*4882a593Smuzhiyun extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun extern void smp_vm_unmask_irq(void *info);
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #endif
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