powerpc/perf: Add 24x7 interface headers

#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;

#endif

#ifndef LINUX_POWERPC_PERF_HV_24X7_H_

#define LINUX_POWERPC_PERF_HV_24X7_H_

#include <linux/types.h>

struct hv_24x7_request {

	/* PHYSICAL domains require enabling via phyp/hmc. */

#define HV_24X7_PERF_DOMAIN_PHYSICAL_CHIP 0x01

#define HV_24X7_PERF_DOMAIN_PHYSICAL_CORE 0x02

#define HV_24X7_PERF_DOMAIN_VIRTUAL_PROCESSOR_HOME_CORE   0x03

#define HV_24X7_PERF_DOMAIN_VIRTUAL_PROCESSOR_HOME_CHIP   0x04

#define HV_24X7_PERF_DOMAIN_VIRTUAL_PROCESSOR_HOME_NODE   0x05

#define HV_24X7_PERF_DOMAIN_VIRTUAL_PROCESSOR_REMOTE_NODE 0x06

	__u8 performance_domain;

	__u8 reserved[0x1];

	/* bytes to read starting at @data_offset. must be a multiple of 8 */

	__be16 data_size;

	/*

	 * byte offset within the perf domain to read from. must be 8 byte

	 * aligned

	 */

	__be32 data_offset;

	/*

	 * only valid for VIRTUAL_PROCESSOR domains, ignored for others.

	 * -1 means "current partition only"

	 *  Enabling via phyp/hmc required for non-"-1" values. 0 forbidden

	 *  unless requestor is 0.

	 */

	__be16 starting_lpar_ix;

	/*

	 * Ignored when @starting_lpar_ix == -1

	 * Ignored when @performance_domain is not VIRTUAL_PROCESSOR_*

	 * -1 means "infinite" or all

	 */

	__be16 max_num_lpars;

	/* chip, core, or virtual processor based on @performance_domain */

	__be16 starting_ix;

	__be16 max_ix;

} __packed;

struct hv_24x7_request_buffer {

	/* 0 - ? */

	/* 1 - ? */

#define HV_24X7_IF_VERSION_CURRENT 0x01

	__u8 interface_version;

	__u8 num_requests;

	__u8 reserved[0xE];

	struct hv_24x7_request requests[];

} __packed;

struct hv_24x7_result_element {

	__be16 lpar_ix;

	/*

	 * represents the core, chip, or virtual processor based on the

	 * request's @performance_domain

	 */

	__be16 domain_ix;

	/* -1 if @performance_domain does not refer to a virtual processor */

	__be32 lpar_cfg_instance_id;

	/* size = @result_element_data_size of cointaining result. */

	__u8 element_data[];

} __packed;

struct hv_24x7_result {

	__u8 result_ix;

	/*

	 * 0 = not all result elements fit into the buffer, additional requests

	 *     required

	 * 1 = all result elements were returned

	 */

	__u8 results_complete;

	__be16 num_elements_returned;

	/* This is a copy of @data_size from the coresponding hv_24x7_request */

	__be16 result_element_data_size;

	__u8 reserved[0x2];

	/* WARNING: only valid for first result element due to variable sizes

	 *          of result elements */

	/* struct hv_24x7_result_element[@num_elements_returned] */

	struct hv_24x7_result_element elements[];

} __packed;

struct hv_24x7_data_result_buffer {

	/* See versioning for request buffer */

	__u8 interface_version;

	__u8 num_results;

	__u8 reserved[0x1];

	__u8 failing_request_ix;

	__be32 detailed_rc;

	__be64 cec_cfg_instance_id;

	__be64 catalog_version_num;

	__u8 reserved2[0x8];

	/* WARNING: only valid for the first result due to variable sizes of

	 *	    results */

	struct hv_24x7_result results[]; /* [@num_results] */

} __packed;

#endif