treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / arch / sparc / include / asm / pcr.h
blobda834ffbe75d6a64bc2312cd28b990bce87c4feb
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PCR_H
3 #define __PCR_H
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;
14 extern const struct pcr_ops *pcr_ops;
16 void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
17 void schedule_deferred_pcr_work(void);
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
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 */
49 int pcr_arch_init(void);
51 #endif /* __PCR_H */