xref: /linux/arch/mips/include/asm/smp-cps.h (revision f3a8b6645dc2e60d11f20c1c23afd964ff4e55ae)
1 /*
2  * Copyright (C) 2013 Imagination Technologies
3  * Author: Paul Burton <paul.burton@imgtec.com>
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License as published by the
7  * Free Software Foundation;  either version 2 of the  License, or (at your
8  * option) any later version.
9  */
10 
11 #ifndef __MIPS_ASM_SMP_CPS_H__
12 #define __MIPS_ASM_SMP_CPS_H__
13 
14 #ifndef __ASSEMBLY__
15 
16 struct vpe_boot_config {
17 	unsigned long pc;
18 	unsigned long sp;
19 	unsigned long gp;
20 };
21 
22 struct core_boot_config {
23 	atomic_t vpe_mask;
24 	struct vpe_boot_config *vpe_config;
25 };
26 
27 extern struct core_boot_config *mips_cps_core_bootcfg;
28 
29 extern void mips_cps_core_entry(void);
30 extern void mips_cps_core_init(void);
31 
32 extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
33 
34 extern void mips_cps_pm_save(void);
35 extern void mips_cps_pm_restore(void);
36 
37 #ifdef CONFIG_MIPS_CPS
38 
39 extern bool mips_cps_smp_in_use(void);
40 
41 #else /* !CONFIG_MIPS_CPS */
42 
43 static inline bool mips_cps_smp_in_use(void) { return false; }
44 
45 #endif /* !CONFIG_MIPS_CPS */
46 
47 #else /* __ASSEMBLY__ */
48 
49 .extern mips_cps_bootcfg;
50 
51 #endif /* __ASSEMBLY__ */
52 #endif /* __MIPS_ASM_SMP_CPS_H__ */
53