smp-ops.h 1.4 KB

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