+ int i;
+ struct hv_24x7_request *req;
+
+ if (request_buffer->num_requests > 254) {
+ pr_devel("Too many requests for 24x7 HCALL %d\n",
+ request_buffer->num_requests);
+ return -EINVAL;
+ }
+
+ if (is_physical_domain(event_get_domain(event)))
+ idx = event_get_core(event);
+ else
+ idx = event_get_vcpu(event);
+
+ i = request_buffer->num_requests++;
+ req = &request_buffer->requests[i];
+
+ req->performance_domain = event_get_domain(event);
+ req->data_size = cpu_to_be16(8);
+ req->data_offset = cpu_to_be32(event_get_offset(event));
+ req->starting_lpar_ix = cpu_to_be16(event_get_lpar(event)),
+ req->max_num_lpars = cpu_to_be16(1);
+ req->starting_ix = cpu_to_be16(idx);
+ req->max_ix = cpu_to_be16(1);
+
+ return 0;
+}
+
+static unsigned long single_24x7_request(struct perf_event *event, u64 *count)
+{