LXR linux/arch/sparc/include/asm/pcr.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __PCR_H
   3#define __PCR_H
   4
   5struct 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};
  14extern const struct pcr_ops *pcr_ops;
  15
  16void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
  17void 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
  49int pcr_arch_init(void);
  50
  51#endif /* __PCR_H */
  52