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arch
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s390
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include
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asm
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runtime_instr.h

runtime_instr.h 2.0 KB
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  1. #ifndef _RUNTIME_INSTR_H
    2. 

  2. #define _RUNTIME_INSTR_H
    3. 

  3. 

  4. #define S390_RUNTIME_INSTR_START	0x1
    5. 

  5. #define S390_RUNTIME_INSTR_STOP		0x2
    6. 

  6. 

  7. struct runtime_instr_cb {
    8. 

  8. 	__u64 buf_current;
    9. 

  9. 	__u64 buf_origin;
    10. 

  10. 	__u64 buf_limit;
    11. 

  11. 

  12. 	__u32 valid		: 1;
    13. 

  13. 	__u32 pstate		: 1;
    14. 

  14. 	__u32 pstate_set_buf	: 1;
    15. 

  15. 	__u32 home_space	: 1;
    16. 

  16. 	__u32 altered		: 1;
    17. 

  17. 	__u32			: 3;
    18. 

  18. 	__u32 pstate_sample	: 1;
    19. 

  19. 	__u32 sstate_sample	: 1;
    20. 

  20. 	__u32 pstate_collect	: 1;
    21. 

  21. 	__u32 sstate_collect	: 1;
    22. 

  22. 	__u32			: 1;
    23. 

  23. 	__u32 halted_int	: 1;
    24. 

  24. 	__u32 int_requested	: 1;
    25. 

  25. 	__u32 buffer_full_int	: 1;
    26. 

  26. 	__u32 key		: 4;
    27. 

  27. 	__u32			: 9;
    28. 

  28. 	__u32 rgs		: 3;
    29. 

  29. 

  30. 	__u32 mode		: 4;
    31. 

  31. 	__u32 next		: 1;
    32. 

  32. 	__u32 mae		: 1;
    33. 

  33. 	__u32			: 2;
    34. 

  34. 	__u32 call_type_br	: 1;
    35. 

  35. 	__u32 return_type_br	: 1;
    36. 

  36. 	__u32 other_type_br	: 1;
    37. 

  37. 	__u32 bc_other_type	: 1;
    38. 

  38. 	__u32 emit		: 1;
    39. 

  39. 	__u32 tx_abort		: 1;
    40. 

  40. 	__u32			: 2;
    41. 

  41. 	__u32 bp_xn		: 1;
    42. 

  42. 	__u32 bp_xt		: 1;
    43. 

  43. 	__u32 bp_ti		: 1;
    44. 

  44. 	__u32 bp_ni		: 1;
    45. 

  45. 	__u32 suppr_y		: 1;
    46. 

  46. 	__u32 suppr_z		: 1;
    47. 

  47. 

  48. 	__u32 dc_miss_extra	: 1;
    49. 

  49. 	__u32 lat_lev_ignore	: 1;
    50. 

  50. 	__u32 ic_lat_lev	: 4;
    51. 

  51. 	__u32 dc_lat_lev	: 4;
    52. 

  52. 

  53. 	__u64 reserved1;
    54. 

  54. 	__u64 scaling_factor;
    55. 

  55. 	__u64 rsic;
    56. 

  56. 	__u64 reserved2;
    57. 

  57. } __packed __aligned(8);
    58. 

  58. 

  59. extern struct runtime_instr_cb runtime_instr_empty_cb;
    60. 

  60. 

  61. static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)
    62. 

  62. {
    63. 

  63. 	asm volatile(".insn	rsy,0xeb0000000060,0,0,%0"	/* LRIC */
    64. 

  64. 		: : "Q" (*cb));
    65. 

  65. }
    66. 

  66. 

  67. static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)
    68. 

  68. {
    69. 

  69. 	asm volatile(".insn	rsy,0xeb0000000061,0,0,%0"	/* STRIC */
    70. 

  70. 		: "=Q" (*cb) : : "cc");
    71. 

  71. }
    72. 

  72. 

  73. static inline void save_ri_cb(struct runtime_instr_cb *cb_prev)
    74. 

  74. {
    75. 

  75. #ifdef CONFIG_64BIT
    76. 

  76. 	if (cb_prev)
    77. 

  77. 		store_runtime_instr_cb(cb_prev);
    78. 

  78. #endif
    79. 

  79. }
    80. 

  80. 

  81. static inline void restore_ri_cb(struct runtime_instr_cb *cb_next,
    82. 

  82. 				 struct runtime_instr_cb *cb_prev)
    83. 

  83. {
    84. 

  84. #ifdef CONFIG_64BIT
    85. 

  85. 	if (cb_next)
    86. 

  86. 		load_runtime_instr_cb(cb_next);
    87. 

  87. 	else if (cb_prev)
    88. 

  88. 		load_runtime_instr_cb(&runtime_instr_empty_cb);
    89. 

  89. #endif
    90. 

  90. }
    91. 

  91. 

  92. #ifdef CONFIG_64BIT
    93. 

  93. extern void exit_thread_runtime_instr(void);
    94. 

  94. #else
    95. 

  95. static inline void exit_thread_runtime_instr(void) { }
    96. 

  96. #endif
    97. 

  97. 

  98. #endif /* _RUNTIME_INSTR_H */
    99.