powerpc/perf/hv-24x7-catalog.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_
0003 #define LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_
0004
0005 #include <linux/types.h>
0006
0007 /* From document "24x7 Event and Group Catalog Formats Proposal" v0.15 */
0008
0009 struct hv_24x7_catalog_page_0 {
0010 #define HV_24X7_CATALOG_MAGIC 0x32347837 /* "24x7" in ASCII */
0011     __be32 magic;
0012     __be32 length; /* In 4096 byte pages */
0013     __be64 version; /* XXX: arbitrary? what's the meaning/useage/purpose? */
0014     __u8 build_time_stamp[16]; /* "YYYYMMDDHHMMSS\0\0" */
0015     __u8 reserved2[32];
0016     __be16 schema_data_offs; /* in 4096 byte pages */
0017     __be16 schema_data_len;  /* in 4096 byte pages */
0018     __be16 schema_entry_count;
0019     __u8 reserved3[2];
0020     __be16 event_data_offs;
0021     __be16 event_data_len;
0022     __be16 event_entry_count;
0023     __u8 reserved4[2];
0024     __be16 group_data_offs; /* in 4096 byte pages */
0025     __be16 group_data_len;  /* in 4096 byte pages */
0026     __be16 group_entry_count;
0027     __u8 reserved5[2];
0028     __be16 formula_data_offs; /* in 4096 byte pages */
0029     __be16 formula_data_len;  /* in 4096 byte pages */
0030     __be16 formula_entry_count;
0031     __u8 reserved6[2];
0032 } __packed;
0033
0034 struct hv_24x7_event_data {
0035     __be16 length; /* in bytes, must be a multiple of 16 */
0036     __u8 reserved1[2];
0037     __u8 domain; /* Chip = 1, Core = 2 */
0038     __u8 reserved2[1];
0039     __be16 event_group_record_offs; /* in bytes, must be 8 byte aligned */
0040     __be16 event_group_record_len; /* in bytes */
0041
0042     /* in bytes, offset from event_group_record */
0043     __be16 event_counter_offs;
0044
0045     /* verified_state, unverified_state, caveat_state, broken_state, ... */
0046     __be32 flags;
0047
0048     __be16 primary_group_ix;
0049     __be16 group_count;
0050     __be16 event_name_len;
0051     __u8 remainder[];
0052     /* __u8 event_name[event_name_len - 2]; */
0053     /* __be16 event_description_len; */
0054     /* __u8 event_desc[event_description_len - 2]; */
0055     /* __be16 detailed_desc_len; */
0056     /* __u8 detailed_desc[detailed_desc_len - 2]; */
0057 } __packed;
0058
0059 #endif