1 files changed, 17 insertions, 0 deletions

diff --git a/include/xen/interface/platform.h b/include/xen/interface/platform.h
index 861b359b44aa..486653f0dd8f 100644
--- a/include/xen/interface/platform.h
+++ b/include/xen/interface/platform.h
@@ -298,6 +298,22 @@ struct xenpf_set_processor_pminfo {
 };
 DEFINE_GUEST_HANDLE_STRUCT(xenpf_set_processor_pminfo);
 
+#define XENPF_get_cpuinfo 55
+struct xenpf_pcpuinfo {
+        /* IN */
+        uint32_t xen_cpuid;
+        /* OUT */
+        /* The maxium cpu_id that is present */
+        uint32_t max_present;
+#define XEN_PCPU_FLAGS_ONLINE   1
+        /* Correponding xen_cpuid is not present*/
+#define XEN_PCPU_FLAGS_INVALID  2
+        uint32_t flags;
+        uint32_t apic_id;
+        uint32_t acpi_id;
+};
+DEFINE_GUEST_HANDLE_STRUCT(xenpf_pcpuinfo);
+
 struct xen_platform_op {
         uint32_t cmd;
         uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
@@ -313,6 +329,7 @@ struct xen_platform_op {
                 struct xenpf_change_freq       change_freq;
                 struct xenpf_getidletime       getidletime;
                 struct xenpf_set_processor_pminfo set_pminfo;
+                struct xenpf_pcpuinfo          pcpu_info;
                 uint8_t                        pad[128];
         } u;
 };