diff options
Diffstat (limited to 'arch/powerpc/perf/hv-24x7-catalog.h')
| -rw-r--r-- | arch/powerpc/perf/hv-24x7-catalog.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/powerpc/perf/hv-24x7-catalog.h b/arch/powerpc/perf/hv-24x7-catalog.h new file mode 100644 index 000000000..5fab5a397 --- /dev/null +++ b/arch/powerpc/perf/hv-24x7-catalog.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_ +#define LINUX_POWERPC_PERF_HV_24X7_CATALOG_H_ + +#include <linux/types.h> + +/* From document "24x7 Event and Group Catalog Formats Proposal" v0.15 */ + +struct hv_24x7_catalog_page_0 { +#define HV_24X7_CATALOG_MAGIC 0x32347837 /* "24x7" in ASCII */ + __be32 magic; + __be32 length; /* In 4096 byte pages */ + __be64 version; /* XXX: arbitrary? what's the meaning/useage/purpose? */ + __u8 build_time_stamp[16]; /* "YYYYMMDDHHMMSS\0\0" */ + __u8 reserved2[32]; + __be16 schema_data_offs; /* in 4096 byte pages */ + __be16 schema_data_len; /* in 4096 byte pages */ + __be16 schema_entry_count; + __u8 reserved3[2]; + __be16 event_data_offs; + __be16 event_data_len; + __be16 event_entry_count; + __u8 reserved4[2]; + __be16 group_data_offs; /* in 4096 byte pages */ + __be16 group_data_len; /* in 4096 byte pages */ + __be16 group_entry_count; + __u8 reserved5[2]; + __be16 formula_data_offs; /* in 4096 byte pages */ + __be16 formula_data_len; /* in 4096 byte pages */ + __be16 formula_entry_count; + __u8 reserved6[2]; +} __packed; + +struct hv_24x7_event_data { + __be16 length; /* in bytes, must be a multiple of 16 */ + __u8 reserved1[2]; + __u8 domain; /* Chip = 1, Core = 2 */ + __u8 reserved2[1]; + __be16 event_group_record_offs; /* in bytes, must be 8 byte aligned */ + __be16 event_group_record_len; /* in bytes */ + + /* in bytes, offset from event_group_record */ + __be16 event_counter_offs; + + /* verified_state, unverified_state, caveat_state, broken_state, ... */ + __be32 flags; + + __be16 primary_group_ix; + __be16 group_count; + __be16 event_name_len; + __u8 remainder[]; + /* __u8 event_name[event_name_len - 2]; */ + /* __be16 event_description_len; */ + /* __u8 event_desc[event_description_len - 2]; */ + /* __be16 detailed_desc_len; */ + /* __u8 detailed_desc[detailed_desc_len - 2]; */ +} __packed; + +#endif |