1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 /*
3 * Performance event support - s390 specific d
4 *
5 * Copyright IBM Corp. 2009, 2017
6 * Author(s): Martin Schwidefsky <schwidefsky@
7 * Hendrik Brueckner <brueckner@lin
8 */
9
10 #ifndef _ASM_S390_PERF_EVENT_H
11 #define _ASM_S390_PERF_EVENT_H
12
13 #include <linux/perf_event.h>
14 #include <linux/device.h>
15 #include <asm/stacktrace.h>
16
17 /* Per-CPU flags for PMU states */
18 #define PMU_F_RESERVED 0x1000
19 #define PMU_F_ENABLED 0x2000
20 #define PMU_F_IN_USE 0x4000
21 #define PMU_F_ERR_IBE 0x0100
22 #define PMU_F_ERR_LSDA 0x0200
23 #define PMU_F_ERR_MASK (PMU_F
24
25 /* Perf definitions for PMU event attributes i
26 extern __init const struct attribute_group **c
27 extern ssize_t cpumf_events_sysfs_show(struct
28 struct
29 char *p
30 #define EVENT_VAR(_cat, _name) event_
31 #define EVENT_PTR(_cat, _name) (&EVEN
32
33 #define CPUMF_EVENT_ATTR(cat, name, id)
34 PMU_EVENT_ATTR(name, EVENT_VAR(cat, na
35 #define CPUMF_EVENT_PTR(cat, name) EVENT_
36
37
38 /* Perf callbacks */
39 struct pt_regs;
40 extern unsigned long perf_instruction_pointer(
41 extern unsigned long perf_misc_flags(struct pt
42 #define perf_misc_flags(regs) perf_misc_flags(
43 #define perf_arch_bpf_user_pt_regs(regs) ®s
44
45 /* Perf pt_regs extension for sample-data-entr
46 struct perf_sf_sde_regs {
47 unsigned char in_guest:1; /* g
48 unsigned long reserved:63; /* r
49 };
50
51 #define perf_arch_fetch_caller_regs(regs, __ip
52 (regs)->psw.mask = 0;
53 (regs)->psw.addr = (__ip);
54 (regs)->gprs[15] = (unsigned long)__bu
55 offsetof(struct stack_frame, b
56 } while (0)
57
58 #endif /* _ASM_S390_PERF_EVENT_H */
59
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