projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 87353d8a RB |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General | |
| 3 | * Public License. See the file "COPYING" in the main directory of this | |
| 4 | * archive for more details. | |
| 5 | * | |
| 6 | * Copyright (C) 2000 - 2001 by Kanoj Sarcar (kanoj@sgi.com) | |
| 7 | * Copyright (C) 2000 - 2001 by Silicon Graphics, Inc. | |
| 8 | * Copyright (C) 2000, 2001, 2002 Ralf Baechle | |
| 9 | * Copyright (C) 2000, 2001 Broadcom Corporation | |
| 10 | */ | |
| 11 | #ifndef __ASM_SMP_OPS_H | |
| 12 | #define __ASM_SMP_OPS_H | |
| 13 | ||
| 4f55fd75 RB |
14 | #include <linux/errno.h> |
| 15 | ||
| 237036de PB |
16 | #include <asm/mips-cm.h> |
| 17 | ||
| 87353d8a RB |
18 | #ifdef CONFIG_SMP |
| 19 | ||
| 20 | #include <linux/cpumask.h> | |
| 21 | ||
| f5fd02a3 RB |
22 | struct task_struct; |
| 23 | ||
| 87353d8a RB |
24 | struct plat_smp_ops { |
| 25 | void (*send_ipi_single)(int cpu, unsigned int action); | |
| 48a048fe | 26 | void (*send_ipi_mask)(const struct cpumask *mask, unsigned int action); |
| 87353d8a RB |
27 | void (*init_secondary)(void); |
| 28 | void (*smp_finish)(void); | |
| 87353d8a RB |
29 | void (*boot_secondary)(int cpu, struct task_struct *idle); |
| 30 | void (*smp_setup)(void); | |
| 31 | void (*prepare_cpus)(unsigned int max_cpus); | |
| 1b2bc75c RB |
32 | #ifdef CONFIG_HOTPLUG_CPU |
| 33 | int (*cpu_disable)(void); | |
| 34 | void (*cpu_die)(unsigned int cpu); | |
| 35 | #endif | |
| 87353d8a RB |
36 | }; |
| 37 | ||
| 38 | extern void register_smp_ops(struct plat_smp_ops *ops); | |
| 39 | ||
| 40 | static inline void plat_smp_setup(void) | |
| 41 | { | |
| 42 | extern struct plat_smp_ops *mp_ops; /* private */ | |
| 43 | ||
| 44 | mp_ops->smp_setup(); | |
| 45 | } | |
| 46 | ||
| b966087b PB |
47 | extern void gic_send_ipi_single(int cpu, unsigned int action); |
| 48 | extern void gic_send_ipi_mask(const struct cpumask *mask, unsigned int action); | |
| 49 | ||
| 87353d8a RB |
50 | #else /* !CONFIG_SMP */ |
| 51 | ||
| 52 | struct plat_smp_ops; | |
| 53 | ||
| 54 | static inline void plat_smp_setup(void) | |
| 55 | { | |
| 56 | /* UP, nothing to do ... */ | |
| 57 | } | |
| 58 | ||
| 59 | static inline void register_smp_ops(struct plat_smp_ops *ops) | |
| 60 | { | |
| 61 | } | |
| 62 | ||
| 63 | #endif /* !CONFIG_SMP */ | |
| 64 | ||
| 852fe310 RB |
65 | static inline int register_up_smp_ops(void) |
| 66 | { | |
| 67 | #ifdef CONFIG_SMP_UP | |
| 68 | extern struct plat_smp_ops up_smp_ops; | |
| 69 | ||
| 70 | register_smp_ops(&up_smp_ops); | |
| 71 | ||
| 72 | return 0; | |
| 73 | #else | |
| 74 | return -ENODEV; | |
| 75 | #endif | |
| 76 | } | |
| 77 | ||
| 78 | static inline int register_cmp_smp_ops(void) | |
| 79 | { | |
| 80 | #ifdef CONFIG_MIPS_CMP | |
| 81 | extern struct plat_smp_ops cmp_smp_ops; | |
| 82 | ||
| 237036de PB |
83 | if (!mips_cm_present()) |
| 84 | return -ENODEV; | |
| 85 | ||
| 852fe310 RB |
86 | register_smp_ops(&cmp_smp_ops); |
| 87 | ||
| 88 | return 0; | |
| 89 | #else | |
| 90 | return -ENODEV; | |
| 91 | #endif | |
| 92 | } | |
| 93 | ||
| 94 | static inline int register_vsmp_smp_ops(void) | |
| 95 | { | |
| 96 | #ifdef CONFIG_MIPS_MT_SMP | |
| 97 | extern struct plat_smp_ops vsmp_smp_ops; | |
| 98 | ||
| 99 | register_smp_ops(&vsmp_smp_ops); | |
| 100 | ||
| 101 | return 0; | |
| 102 | #else | |
| 103 | return -ENODEV; | |
| 104 | #endif | |
| 105 | } | |
| 87353d8a | 106 | |
| 0ee958e1 PB |
107 | #ifdef CONFIG_MIPS_CPS |
| 108 | extern int register_cps_smp_ops(void); | |
| 109 | #else | |
| 110 | static inline int register_cps_smp_ops(void) | |
| 111 | { | |
| 112 | return -ENODEV; | |
| 113 | } | |
| 114 | #endif | |
| 115 | ||
| 87353d8a | 116 | #endif /* __ASM_SMP_OPS_H */ |