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 */ 52