arch/sparc/include/asm/pcr.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PCR_H
   3 #define __PCR_H
   4
   5 struct pcr_ops {
   6         u64 (*read_pcr)(unsigned long);
   7         void (*write_pcr)(unsigned long, u64);
   8         u64 (*read_pic)(unsigned long);
   9         void (*write_pic)(unsigned long, u64);
  10         u64 (*nmi_picl_value)(unsigned int nmi_hz);
  11         u64 pcr_nmi_enable;
  12         u64 pcr_nmi_disable;
  13 };
  14 extern const struct pcr_ops *pcr_ops;
  15
  16 void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
  17 void schedule_deferred_pcr_work(void);
  18
  19 #define PCR_PIC_PRIV            0x00000001 /* PIC access is privileged */
  20 #define PCR_STRACE              0x00000002 /* Trace supervisor events  */
  21 #define PCR_UTRACE              0x00000004 /* Trace user events        */
  22 #define PCR_N2_HTRACE           0x00000008 /* Trace hypervisor events  */
  23 #define PCR_N2_TOE_OV0          0x00000010 /* Trap if PIC 0 overflows  */
  24 #define PCR_N2_TOE_OV1          0x00000020 /* Trap if PIC 1 overflows  */
  25 #define PCR_N2_MASK0            0x00003fc0
  26 #define PCR_N2_MASK0_SHIFT      6
  27 #define PCR_N2_SL0              0x0003c000
  28 #define PCR_N2_SL0_SHIFT        14
  29 #define PCR_N2_OV0              0x00040000
  30 #define PCR_N2_MASK1            0x07f80000
  31 #define PCR_N2_MASK1_SHIFT      19
  32 #define PCR_N2_SL1              0x78000000
  33 #define PCR_N2_SL1_SHIFT        27
  34 #define PCR_N2_OV1              0x80000000
  35
  36 #define PCR_N4_OV               0x00000001 /* PIC overflow             */
  37 #define PCR_N4_TOE              0x00000002 /* Trap On Event            */
  38 #define PCR_N4_UTRACE           0x00000004 /* Trace user events        */
  39 #define PCR_N4_STRACE           0x00000008 /* Trace supervisor events  */
  40 #define PCR_N4_HTRACE           0x00000010 /* Trace hypervisor events  */
  41 #define PCR_N4_MASK             0x000007e0 /* Event mask               */
  42 #define PCR_N4_MASK_SHIFT       5
  43 #define PCR_N4_SL               0x0000f800 /* Event Select             */
  44 #define PCR_N4_SL_SHIFT         11
  45 #define PCR_N4_PICNPT           0x00010000 /* PIC non-privileged trap  */
  46 #define PCR_N4_PICNHT           0x00020000 /* PIC non-hypervisor trap  */
  47 #define PCR_N4_NTC              0x00040000 /* Next-To-Commit wrap      */
  48
  49 int pcr_arch_init(void);
  50
  51 #endif /* __PCR_H */