diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 8f6bf18230f..0aa27995ab9 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -602,9 +602,21 @@ struct brw_perf_query_info
 {
    enum brw_query_kind kind;
    const char *name;
+   const char *guid;
    struct brw_perf_query_counter *counters;
    int n_counters;
    size_t data_size;
+
+   /* OA specific */
+   uint64_t oa_metrics_set_id;
+   int oa_format;
+
+   /* For indexing into the accumulator[] ... */
+   int gpu_time_offset;
+   int gpu_clock_offset;
+   int a_offset;
+   int b_offset;
+   int c_offset;
 };
 
 /**
diff --git a/src/mesa/drivers/dri/i965/brw_performance_query.h b/src/mesa/drivers/dri/i965/brw_performance_query.h
index 8f1f96060b6..c9454f98eab 100644
--- a/src/mesa/drivers/dri/i965/brw_performance_query.h
+++ b/src/mesa/drivers/dri/i965/brw_performance_query.h
@@ -44,6 +44,14 @@ struct brw_perf_query_counter
    size_t offset;
    size_t size;
 
-   struct brw_pipeline_stat pipeline_stat;
+   union {
+      uint64_t (*oa_counter_read_uint64)(struct brw_context *brw,
+                                         const struct brw_perf_query_info *query,
+                                         uint64_t *accumulator);
+      float (*oa_counter_read_float)(struct brw_context *brw,
+                                     const struct brw_perf_query_info *query,
+                                     uint64_t *accumulator);
+      struct brw_pipeline_stat pipeline_stat;
+   };
 };