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