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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_
   3 #define LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_
   4
   5 #include <linux/types.h>
   6
   7 /* From document "24x7 Event and Group Catalog Formats Proposal" v0.15 */
   8
   9 struct hv_24x7_catalog_page_0 {
  10 #define HV_24X7_CATALOG_MAGIC 0x32347837 /* "24x7" in ASCII */
  11         __be32 magic;
  12         __be32 length; /* In 4096 byte pages */
  13         __be64 version; /* XXX: arbitrary? what's the meaning/useage/purpose? */
  14         __u8 build_time_stamp[16]; /* "YYYYMMDDHHMMSS\0\0" */
  15         __u8 reserved2[32];
  16         __be16 schema_data_offs; /* in 4096 byte pages */
  17         __be16 schema_data_len;  /* in 4096 byte pages */
  18         __be16 schema_entry_count;
  19         __u8 reserved3[2];
  20         __be16 event_data_offs;
  21         __be16 event_data_len;
  22         __be16 event_entry_count;
  23         __u8 reserved4[2];
  24         __be16 group_data_offs; /* in 4096 byte pages */
  25         __be16 group_data_len;  /* in 4096 byte pages */
  26         __be16 group_entry_count;
  27         __u8 reserved5[2];
  28         __be16 formula_data_offs; /* in 4096 byte pages */
  29         __be16 formula_data_len;  /* in 4096 byte pages */
  30         __be16 formula_entry_count;
  31         __u8 reserved6[2];
  32 } __packed;
  33
  34 struct hv_24x7_event_data {
  35         __be16 length; /* in bytes, must be a multiple of 16 */
  36         __u8 reserved1[2];
  37         __u8 domain; /* Chip = 1, Core = 2 */
  38         __u8 reserved2[1];
  39         __be16 event_group_record_offs; /* in bytes, must be 8 byte aligned */
  40         __be16 event_group_record_len; /* in bytes */
  41
  42         /* in bytes, offset from event_group_record */
  43         __be16 event_counter_offs;
  44
  45         /* verified_state, unverified_state, caveat_state, broken_state, ... */
  46         __be32 flags;
  47
  48         __be16 primary_group_ix;
  49         __be16 group_count;
  50         __be16 event_name_len;
  51         __u8 remainder[];
  52         /* __u8 event_name[event_name_len - 2]; */
  53         /* __be16 event_description_len; */
  54         /* __u8 event_desc[event_description_len - 2]; */
  55         /* __be16 detailed_desc_len; */
  56         /* __u8 detailed_desc[detailed_desc_len - 2]; */
  57 } __packed;
  58
  59 #endif