1 files changed, 101 insertions, 0 deletions
diff --git a/lib/xe/xe_oa_data.h b/lib/xe/xe_oa_data.h
new file mode 100644
index 000000000..82d9019a9
--- /dev/null
+++ b/lib/xe/xe_oa_data.h
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2024 Intel Corporation
+ */
+
+#ifndef XE_OA_DATA_H
+#define XE_OA_DATA_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/* For now this enum is the same as i915 intel_perf_record_type/drm_i915_perf_record_type */
+enum intel_xe_perf_record_type {
+	/* An packet/record of OA data */
+	INTEL_XE_PERF_RECORD_TYPE_SAMPLE = 1,
+
+	/* Indicates one or more OA reports were not written by HW */
+	INTEL_XE_PERF_RECORD_OA_TYPE_REPORT_LOST,
+
+	/* An error occurred that resulted in all pending OA reports being lost */
+	INTEL_XE_PERF_RECORD_OA_TYPE_BUFFER_LOST,
+
+	INTEL_XE_PERF_RECORD_TYPE_VERSION,
+
+	/* intel_xe_perf_record_device_info */
+	INTEL_XE_PERF_RECORD_TYPE_DEVICE_INFO,
+
+	/* intel_xe_perf_record_device_topology */
+	INTEL_XE_PERF_RECORD_TYPE_DEVICE_TOPOLOGY,
+
+	/* intel_xe_perf_record_timestamp_correlation */
+	INTEL_XE_PERF_RECORD_TYPE_TIMESTAMP_CORRELATION,
+
+	INTEL_XE_PERF_RECORD_MAX /* non-ABI */
+};
+
+/* This structure cannot ever change. */
+struct intel_xe_perf_record_version {
+	/* Version of the xe-perf file recording format (effectively
+	 * versioning this file).
+	 */
+	uint32_t version;
+
+#define INTEL_XE_PERF_RECORD_VERSION (1)
+
+	uint32_t pad;
+} __attribute__((packed));
+
+struct intel_xe_perf_record_device_info {
+	/* Frequency of the timestamps in the records. */
+	uint64_t timestamp_frequency;
+
+	/* PCI ID */
+	uint32_t device_id;
+
+	/* Stepping */
+	uint32_t device_revision;
+
+	/* GT min/max frequencies */
+	uint32_t gt_min_frequency;
+	uint32_t gt_max_frequency;
+
+	/* Engine */
+	uint32_t engine_class;
+	uint32_t engine_instance;
+
+	/* enum intel_xe_oa_format_name */
+	uint32_t oa_format;
+
+	/* Metric set name */
+	char metric_set_name[256];
+
+	/* Configuration identifier */
+	char metric_set_uuid[40];
+
+	uint32_t pad;
+ } __attribute__((packed));
+
+/* Topology as filled by xe_fill_topology_info (variable length, aligned by
+ * the recorder). */
+struct intel_xe_perf_record_device_topology {
+	struct intel_xe_topology_info topology;
+};
+
+/* Timestamp correlation between CPU/GPU. */
+struct intel_xe_perf_record_timestamp_correlation {
+	/* In CLOCK_MONOTONIC */
+	uint64_t cpu_timestamp;
+
+	/* Engine timestamp associated with the OA unit */
+	uint64_t gpu_timestamp;
+} __attribute__((packed));
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif /* XE_OA_DATA_H */