1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Support for s390 CPU measurement counter set diagnostic facility
4 *
5 * Copyright IBM Corp. 2019
6   Author(s): Hendrik Brueckner <brueckner@linux.ibm.com>
7 *		Thomas Richter <tmricht@linux.ibm.com>
8 */
9#ifndef S390_CPUMCF_KERNEL_H
10#define S390_CPUMCF_KERNEL_H
11
12#define	S390_CPUMCF_DIAG_DEF	0xfeef	/* Counter diagnostic entry ID */
13#define	PERF_EVENT_CPUM_CF_DIAG	0xBC000	/* Event: Counter sets */
14#define PERF_EVENT_CPUM_SF_DIAG	0xBD000 /* Event: Combined-sampling */
15#define PERF_EVENT_PAI_CRYPTO_ALL	0x1000 /* Event: CRYPTO_ALL */
16#define PERF_EVENT_PAI_NNPA_ALL	0x1800 /* Event: NNPA_ALL */
17
18struct cf_ctrset_entry {	/* CPU-M CF counter set entry (8 byte) */
19	unsigned int def:16;	/* 0-15  Data Entry Format */
20	unsigned int set:16;	/* 16-23 Counter set identifier */
21	unsigned int ctr:16;	/* 24-39 Number of stored counters */
22	unsigned int res1:16;	/* 40-63 Reserved */
23};
24
25struct cf_trailer_entry {	/* CPU-M CF trailer for raw traces (64 byte) */
26	/* 0 - 7 */
27	union {
28		struct {
29			unsigned int clock_base:1;	/* TOD clock base */
30			unsigned int speed:1;		/* CPU speed */
31			/* Measurement alerts */
32			unsigned int mtda:1;	/* Loss of MT ctr. data alert */
33			unsigned int caca:1;	/* Counter auth. change alert */
34			unsigned int lcda:1;	/* Loss of counter data alert */
35		};
36		unsigned long flags;		/* 0-63    All indicators */
37	};
38	/* 8 - 15 */
39	unsigned int cfvn:16;			/* 64-79   Ctr First Version */
40	unsigned int csvn:16;			/* 80-95   Ctr Second Version */
41	unsigned int cpu_speed:32;		/* 96-127  CPU speed */
42	/* 16 - 23 */
43	unsigned long timestamp;		/* 128-191 Timestamp (TOD) */
44	/* 24 - 55 */
45	union {
46		struct {
47			unsigned long progusage1;
48			unsigned long progusage2;
49			unsigned long progusage3;
50			unsigned long tod_base;
51		};
52		unsigned long progusage[4];
53	};
54	/* 56 - 63 */
55	unsigned int mach_type:16;		/* Machine type */
56	unsigned int res1:16;			/* Reserved */
57	unsigned int res2:32;			/* Reserved */
58};
59
60#define	CPUMF_CTR_SET_BASIC	0	/* Basic Counter Set */
61#define	CPUMF_CTR_SET_USER	1	/* Problem-State Counter Set */
62#define	CPUMF_CTR_SET_CRYPTO	2	/* Crypto-Activity Counter Set */
63#define	CPUMF_CTR_SET_EXT	3	/* Extended Counter Set */
64#define	CPUMF_CTR_SET_MT_DIAG	4	/* MT-diagnostic Counter Set */
65#endif
66