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arch
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sparc
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include
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asm
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smp_64.h

smp_64.h 1.4 KB
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  1. /* smp.h: Sparc64 specific SMP stuff.
    2. 

  2.  *
    3. 

  3.  * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef _SPARC64_SMP_H
    7. 

  7. #define _SPARC64_SMP_H
    8. 

  8. 

  9. #include <linux/threads.h>
    10. 

  10. #include <asm/asi.h>
    11. 

  11. #include <asm/starfire.h>
    12. 

  12. #include <asm/spitfire.h>
    13. 

  13. 

  14. #ifndef __ASSEMBLY__
    15. 

  15. 

  16. #include <linux/cpumask.h>
    17. 

  17. #include <linux/cache.h>
    18. 

  18. 

  19. #endif /* !(__ASSEMBLY__) */
    20. 

  20. 

  21. #ifdef CONFIG_SMP
    22. 

  22. 

  23. #ifndef __ASSEMBLY__
    24. 

  24. 

  25. /*
    26. 

  26.  *	Private routines/data
    27. 

  27.  */
    28. 

  28. 

  29. #include <linux/bitops.h>
    30. 

  30. #include <linux/atomic.h>
    31. 

  31. #include <asm/percpu.h>
    32. 

  32. 

  33. DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
    34. 

  34. extern cpumask_t cpu_core_map[NR_CPUS];
    35. 

  35. extern int sparc64_multi_core;
    36. 

  36. 

  37. extern void arch_send_call_function_single_ipi(int cpu);
    38. 

  38. extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
    39. 

  39. 

  40. /*
    41. 

  41.  *	General functions that each host system must provide.
    42. 

  42.  */
    43. 

  43. 

  44. extern int hard_smp_processor_id(void);
    45. 

  45. #define raw_smp_processor_id() (current_thread_info()->cpu)
    46. 

  46. 

  47. extern void smp_fill_in_sib_core_maps(void);
    48. 

  48. extern void cpu_play_dead(void);
    49. 

  49. 

  50. extern void smp_fetch_global_regs(void);
    51. 

  51. 

  52. struct seq_file;
    53. 

  53. void smp_bogo(struct seq_file *);
    54. 

  54. void smp_info(struct seq_file *);
    55. 

  55. 

  56. #ifdef CONFIG_HOTPLUG_CPU
    57. 

  57. extern int __cpu_disable(void);
    58. 

  58. extern void __cpu_die(unsigned int cpu);
    59. 

  59. #endif
    60. 

  60. 

  61. #endif /* !(__ASSEMBLY__) */
    62. 

  62. 

  63. #else
    64. 

  64. 

  65. #define hard_smp_processor_id()		0
    66. 

  66. #define smp_fill_in_sib_core_maps() do { } while (0)
    67. 

  67. #define smp_fetch_global_regs() do { } while (0)
    68. 

  68. 

  69. #endif /* !(CONFIG_SMP) */
    70. 

  70. 

  71. #endif /* !(_SPARC64_SMP_H) */
    72. 

  72.