x86 ucode: add S3 microcode update

When wakeup from S3, use per cpu microcode image to update cpu
microcode.

Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/xen/include/asm-x86/microcode.h b/xen/include/asm-x86/microcode.h
index 57582cfa91..980da227dc 100644
--- a/xen/include/asm-x86/microcode.h
+++ b/xen/include/asm-x86/microcode.h
@@ -5,6 +5,7 @@ struct cpu_signature;
 struct ucode_cpu_info;
 
 struct microcode_ops {
+    int (*microcode_resume_match)(int cpu, struct cpu_signature *nsig);
     int (*cpu_request_microcode)(int cpu, const void *buf, size_t size);
     int (*collect_cpu_info)(int cpu, struct cpu_signature *csig);
     int (*apply_microcode)(int cpu);