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Diffstat (limited to 'include/xen/interface/platform.h')
-rw-r--r--include/xen/interface/platform.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/xen/interface/platform.h b/include/xen/interface/platform.h
index 4755b5fac9c7..5e36932ab407 100644
--- a/include/xen/interface/platform.h
+++ b/include/xen/interface/platform.h
@@ -324,6 +324,22 @@ struct xenpf_cpu_ol {
};
DEFINE_GUEST_HANDLE_STRUCT(xenpf_cpu_ol);
+/*
+ * CMD 58 and 59 are reserved for cpu hotadd and memory hotadd,
+ * which are already occupied at Xen hypervisor side.
+ */
+#define XENPF_core_parking 60
+struct xenpf_core_parking {
+ /* IN variables */
+#define XEN_CORE_PARKING_SET 1
+#define XEN_CORE_PARKING_GET 2
+ uint32_t type;
+ /* IN variables: set cpu nums expected to be idled */
+ /* OUT variables: get cpu nums actually be idled */
+ uint32_t idle_nums;
+};
+DEFINE_GUEST_HANDLE_STRUCT(xenpf_core_parking);
+
struct xen_platform_op {
uint32_t cmd;
uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
@@ -341,6 +357,7 @@ struct xen_platform_op {
struct xenpf_set_processor_pminfo set_pminfo;
struct xenpf_pcpuinfo pcpu_info;
struct xenpf_cpu_ol cpu_ol;
+ struct xenpf_core_parking core_parking;
uint8_t pad[128];
} u;
};