xref: /OK3568_Linux_fs/kernel/arch/openrisc/include/asm/smp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2014 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This file is licensed under the terms of the GNU General Public License
5*4882a593Smuzhiyun  * version 2.  This program is licensed "as is" without any warranty of any
6*4882a593Smuzhiyun  * kind, whether express or implied.
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef __ASM_OPENRISC_SMP_H
10*4882a593Smuzhiyun #define __ASM_OPENRISC_SMP_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <asm/spr.h>
13*4882a593Smuzhiyun #include <asm/spr_defs.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define raw_smp_processor_id()	(current_thread_info()->cpu)
16*4882a593Smuzhiyun #define hard_smp_processor_id()	mfspr(SPR_COREID)
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun extern void smp_init_cpus(void);
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun extern void arch_send_call_function_single_ipi(int cpu);
21*4882a593Smuzhiyun extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun extern void set_smp_cross_call(void (*)(const struct cpumask *, unsigned int));
24*4882a593Smuzhiyun extern void handle_IPI(unsigned int ipi_msg);
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #endif /* __ASM_OPENRISC_SMP_H */
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