include/asm-mips/smp-ops.h

   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
  14 #ifdef CONFIG_SMP
  15
  16 #include <linux/cpumask.h>
  17
  18 struct plat_smp_ops {
  19         void (*send_ipi_single)(int cpu, unsigned int action);
  20         void (*send_ipi_mask)(cpumask_t mask, unsigned int action);
  21         void (*init_secondary)(void);
  22         void (*smp_finish)(void);
  23         void (*cpus_done)(void);
  24         void (*boot_secondary)(int cpu, struct task_struct *idle);
  25         void (*smp_setup)(void);
  26         void (*prepare_cpus)(unsigned int max_cpus);
  27 };
  28
  29 extern void register_smp_ops(struct plat_smp_ops *ops);
  30
  31 static inline void plat_smp_setup(void)
  32 {
  33         extern struct plat_smp_ops *mp_ops;     /* private */
  34
  35         mp_ops->smp_setup();
  36 }
  37
  38 #else /* !CONFIG_SMP */
  39
  40 struct plat_smp_ops;
  41
  42 static inline void plat_smp_setup(void)
  43 {
  44         /* UP, nothing to do ...  */
  45 }
  46
  47 static inline void register_smp_ops(struct plat_smp_ops *ops)
  48 {
  49 }
  50
  51 #endif /* !CONFIG_SMP */
  52
  53 extern struct plat_smp_ops up_smp_ops;
  54 extern struct plat_smp_ops cmp_smp_ops;
  55 extern struct plat_smp_ops vsmp_smp_ops;
  56
  57 #endif /* __ASM_SMP_OPS_H */