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
15 struct cf_ctrset_entry { /* CPU-M CF counter set entry (8 byte) */
16 unsigned int def:16; /* 0-15 Data Entry Format */
17 unsigned int set:16; /* 16-23 Counter set identifier */
18 unsigned int ctr:16; /* 24-39 Number of stored counters */
19 unsigned int res1:16; /* 40-63 Reserved */
20 };
21
22 struct cf_trailer_entry { /* CPU-M CF trailer for raw traces (64 byte) */
23 /* 0 - 7 */
24 union {
25 struct {
26 unsigned int clock_base:1; /* TOD clock base */
27 unsigned int speed:1; /* CPU speed */
28 /* Measurement alerts */
29 unsigned int mtda:1; /* Loss of MT ctr. data alert */
30 unsigned int caca:1; /* Counter auth. change alert */
31 unsigned int lcda:1; /* Loss of counter data alert */
32 };
33 unsigned long flags; /* 0-63 All indicators */
34 };
35 /* 8 - 15 */
36 unsigned int cfvn:16; /* 64-79 Ctr First Version */
37 unsigned int csvn:16; /* 80-95 Ctr Second Version */
38 unsigned int cpu_speed:32; /* 96-127 CPU speed */
39 /* 16 - 23 */
40 unsigned long timestamp; /* 128-191 Timestamp (TOD) */
41 /* 24 - 55 */
42 union {
43 struct {
44 unsigned long progusage1;
45 unsigned long progusage2;
46 unsigned long progusage3;
47 unsigned long tod_base;
48 };
49 unsigned long progusage[4];
50 };
51 /* 56 - 63 */
52 unsigned int mach_type:16; /* Machine type */
53 unsigned int res1:16; /* Reserved */
54 unsigned int res2:32; /* Reserved */
55 };
56
57 #define CPUMF_CTR_SET_BASIC 0 /* Basic Counter Set */
58 #define CPUMF_CTR_SET_USER 1 /* Problem-State Counter Set */
59 #define CPUMF_CTR_SET_CRYPTO 2 /* Crypto-Activity Counter Set */
60 #define CPUMF_CTR_SET_EXT 3 /* Extended Counter Set */
61 #define CPUMF_CTR_SET_MT_DIAG 4 /* MT-diagnostic Counter Set */
62 #endif