pcr.h 1.8 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __PCR_H
  3. #define __PCR_H
  4. struct pcr_ops {
  5. u64 (*read_pcr)(unsigned long);
  6. void (*write_pcr)(unsigned long, u64);
  7. u64 (*read_pic)(unsigned long);
  8. void (*write_pic)(unsigned long, u64);
  9. u64 (*nmi_picl_value)(unsigned int nmi_hz);
  10. u64 pcr_nmi_enable;
  11. u64 pcr_nmi_disable;
  12. };
  13. extern const struct pcr_ops *pcr_ops;
  14. void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
  15. void schedule_deferred_pcr_work(void);
  16. #define PCR_PIC_PRIV 0x00000001 /* PIC access is privileged */
  17. #define PCR_STRACE 0x00000002 /* Trace supervisor events */
  18. #define PCR_UTRACE 0x00000004 /* Trace user events */
  19. #define PCR_N2_HTRACE 0x00000008 /* Trace hypervisor events */
  20. #define PCR_N2_TOE_OV0 0x00000010 /* Trap if PIC 0 overflows */
  21. #define PCR_N2_TOE_OV1 0x00000020 /* Trap if PIC 1 overflows */
  22. #define PCR_N2_MASK0 0x00003fc0
  23. #define PCR_N2_MASK0_SHIFT 6
  24. #define PCR_N2_SL0 0x0003c000
  25. #define PCR_N2_SL0_SHIFT 14
  26. #define PCR_N2_OV0 0x00040000
  27. #define PCR_N2_MASK1 0x07f80000
  28. #define PCR_N2_MASK1_SHIFT 19
  29. #define PCR_N2_SL1 0x78000000
  30. #define PCR_N2_SL1_SHIFT 27
  31. #define PCR_N2_OV1 0x80000000
  32. #define PCR_N4_OV 0x00000001 /* PIC overflow */
  33. #define PCR_N4_TOE 0x00000002 /* Trap On Event */
  34. #define PCR_N4_UTRACE 0x00000004 /* Trace user events */
  35. #define PCR_N4_STRACE 0x00000008 /* Trace supervisor events */
  36. #define PCR_N4_HTRACE 0x00000010 /* Trace hypervisor events */
  37. #define PCR_N4_MASK 0x000007e0 /* Event mask */
  38. #define PCR_N4_MASK_SHIFT 5
  39. #define PCR_N4_SL 0x0000f800 /* Event Select */
  40. #define PCR_N4_SL_SHIFT 11
  41. #define PCR_N4_PICNPT 0x00010000 /* PIC non-privileged trap */
  42. #define PCR_N4_PICNHT 0x00020000 /* PIC non-hypervisor trap */
  43. #define PCR_N4_NTC 0x00040000 /* Next-To-Commit wrap */
  44. int pcr_arch_init(void);
  45. #endif /* __PCR_H */