1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __PCR_H 3*4882a593Smuzhiyun #define __PCR_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun struct pcr_ops { 6*4882a593Smuzhiyun u64 (*read_pcr)(unsigned long); 7*4882a593Smuzhiyun void (*write_pcr)(unsigned long, u64); 8*4882a593Smuzhiyun u64 (*read_pic)(unsigned long); 9*4882a593Smuzhiyun void (*write_pic)(unsigned long, u64); 10*4882a593Smuzhiyun u64 (*nmi_picl_value)(unsigned int nmi_hz); 11*4882a593Smuzhiyun u64 pcr_nmi_enable; 12*4882a593Smuzhiyun u64 pcr_nmi_disable; 13*4882a593Smuzhiyun }; 14*4882a593Smuzhiyun extern const struct pcr_ops *pcr_ops; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun void deferred_pcr_work_irq(int irq, struct pt_regs *regs); 17*4882a593Smuzhiyun void schedule_deferred_pcr_work(void); 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define PCR_PIC_PRIV 0x00000001 /* PIC access is privileged */ 20*4882a593Smuzhiyun #define PCR_STRACE 0x00000002 /* Trace supervisor events */ 21*4882a593Smuzhiyun #define PCR_UTRACE 0x00000004 /* Trace user events */ 22*4882a593Smuzhiyun #define PCR_N2_HTRACE 0x00000008 /* Trace hypervisor events */ 23*4882a593Smuzhiyun #define PCR_N2_TOE_OV0 0x00000010 /* Trap if PIC 0 overflows */ 24*4882a593Smuzhiyun #define PCR_N2_TOE_OV1 0x00000020 /* Trap if PIC 1 overflows */ 25*4882a593Smuzhiyun #define PCR_N2_MASK0 0x00003fc0 26*4882a593Smuzhiyun #define PCR_N2_MASK0_SHIFT 6 27*4882a593Smuzhiyun #define PCR_N2_SL0 0x0003c000 28*4882a593Smuzhiyun #define PCR_N2_SL0_SHIFT 14 29*4882a593Smuzhiyun #define PCR_N2_OV0 0x00040000 30*4882a593Smuzhiyun #define PCR_N2_MASK1 0x07f80000 31*4882a593Smuzhiyun #define PCR_N2_MASK1_SHIFT 19 32*4882a593Smuzhiyun #define PCR_N2_SL1 0x78000000 33*4882a593Smuzhiyun #define PCR_N2_SL1_SHIFT 27 34*4882a593Smuzhiyun #define PCR_N2_OV1 0x80000000 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #define PCR_N4_OV 0x00000001 /* PIC overflow */ 37*4882a593Smuzhiyun #define PCR_N4_TOE 0x00000002 /* Trap On Event */ 38*4882a593Smuzhiyun #define PCR_N4_UTRACE 0x00000004 /* Trace user events */ 39*4882a593Smuzhiyun #define PCR_N4_STRACE 0x00000008 /* Trace supervisor events */ 40*4882a593Smuzhiyun #define PCR_N4_HTRACE 0x00000010 /* Trace hypervisor events */ 41*4882a593Smuzhiyun #define PCR_N4_MASK 0x000007e0 /* Event mask */ 42*4882a593Smuzhiyun #define PCR_N4_MASK_SHIFT 5 43*4882a593Smuzhiyun #define PCR_N4_SL 0x0000f800 /* Event Select */ 44*4882a593Smuzhiyun #define PCR_N4_SL_SHIFT 11 45*4882a593Smuzhiyun #define PCR_N4_PICNPT 0x00010000 /* PIC non-privileged trap */ 46*4882a593Smuzhiyun #define PCR_N4_PICNHT 0x00020000 /* PIC non-hypervisor trap */ 47*4882a593Smuzhiyun #define PCR_N4_NTC 0x00040000 /* Next-To-Commit wrap */ 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun int pcr_arch_init(void); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #endif /* __PCR_H */ 52