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uapi
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asm
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runtime_instr.h

runtime_instr.h 1.4 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
    2. 

  2. #ifndef _S390_UAPI_RUNTIME_INSTR_H
    3. 

  3. #define _S390_UAPI_RUNTIME_INSTR_H
    4. 

  4. 

  5. #include <linux/types.h>
    6. 

  6. 

  7. #define S390_RUNTIME_INSTR_START	0x1
    8. 

  8. #define S390_RUNTIME_INSTR_STOP		0x2
    9. 

  9. 

  10. struct runtime_instr_cb {
    11. 

  11. 	__u64 rca;
    12. 

  12. 	__u64 roa;
    13. 

  13. 	__u64 rla;
    14. 

  14. 

  15. 	__u32 v			: 1;
    16. 

  16. 	__u32 s			: 1;
    17. 

  17. 	__u32 k			: 1;
    18. 

  18. 	__u32 h			: 1;
    19. 

  19. 	__u32 a			: 1;
    20. 

  20. 	__u32 reserved1		: 3;
    21. 

  21. 	__u32 ps		: 1;
    22. 

  22. 	__u32 qs		: 1;
    23. 

  23. 	__u32 pc		: 1;
    24. 

  24. 	__u32 qc		: 1;
    25. 

  25. 	__u32 reserved2		: 1;
    26. 

  26. 	__u32 g			: 1;
    27. 

  27. 	__u32 u			: 1;
    28. 

  28. 	__u32 l			: 1;
    29. 

  29. 	__u32 key		: 4;
    30. 

  30. 	__u32 reserved3		: 8;
    31. 

  31. 	__u32 t			: 1;
    32. 

  32. 	__u32 rgs		: 3;
    33. 

  33. 

  34. 	__u32 m			: 4;
    35. 

  35. 	__u32 n			: 1;
    36. 

  36. 	__u32 mae		: 1;
    37. 

  37. 	__u32 reserved4		: 2;
    38. 

  38. 	__u32 c			: 1;
    39. 

  39. 	__u32 r			: 1;
    40. 

  40. 	__u32 b			: 1;
    41. 

  41. 	__u32 j			: 1;
    42. 

  42. 	__u32 e			: 1;
    43. 

  43. 	__u32 x			: 1;
    44. 

  44. 	__u32 reserved5		: 2;
    45. 

  45. 	__u32 bpxn		: 1;
    46. 

  46. 	__u32 bpxt		: 1;
    47. 

  47. 	__u32 bpti		: 1;
    48. 

  48. 	__u32 bpni		: 1;
    49. 

  49. 	__u32 reserved6		: 2;
    50. 

  50. 

  51. 	__u32 d			: 1;
    52. 

  52. 	__u32 f			: 1;
    53. 

  53. 	__u32 ic		: 4;
    54. 

  54. 	__u32 dc		: 4;
    55. 

  55. 

  56. 	__u64 reserved7;
    57. 

  57. 	__u64 sf;
    58. 

  58. 	__u64 rsic;
    59. 

  59. 	__u64 reserved8;
    60. 

  60. } __packed __aligned(8);
    61. 

  61. 

  62. static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)
    63. 

  63. {
    64. 

  64. 	asm volatile(".insn	rsy,0xeb0000000060,0,0,%0"	/* LRIC */
    65. 

  65. 		: : "Q" (*cb));
    66. 

  66. }
    67. 

  67. 

  68. static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)
    69. 

  69. {
    70. 

  70. 	asm volatile(".insn	rsy,0xeb0000000061,0,0,%0"	/* STRIC */
    71. 

  71. 		: "=Q" (*cb) : : "cc");
    72. 

  72. }
    73. 

  73. 

  74. #endif /* _S390_UAPI_RUNTIME_INSTR_H */
    75.