X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=UefiCpuPkg%2FPiSmmCpuDxeSmm%2FPiSmmCpuDxeSmm.h;h=ad2109fde8277851ed509ea3de87570be9711c78;hb=695e62d1419cf3a8ab65a96c86c9cf58d4206d61;hp=df5980cd420f3520e795fc699327f055fa8a9126;hpb=ed3d5ecb342dd6cca299ac72b30d4855a8b804a4;p=mirror_edk2.git

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
index df5980cd42..ad2109fde8 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
@@ -323,6 +323,8 @@ typedef struct {
   volatile BOOLEAN              *CandidateBsp;
 } SMM_DISPATCHER_MP_SYNC_DATA;
 
+#define MSR_SPIN_LOCK_INIT_NUM 15
+
 typedef struct {
   SPIN_LOCK    SpinLock;
   UINT32       MsrIndex;
@@ -375,6 +377,13 @@ typedef struct {
   volatile BOOLEAN                  *Present;
 } SMM_CPU_SEMAPHORE_CPU;
 
+///
+/// All MSRs semaphores' pointer and counter
+///
+typedef struct {
+  SPIN_LOCK            *Msr;
+  UINTN                AvailableCounter;
+} SMM_CPU_SEMAPHORE_MSR;
 
 ///
 /// All semaphores' information
@@ -382,6 +391,7 @@ typedef struct {
 typedef struct {
   SMM_CPU_SEMAPHORE_GLOBAL          SemaphoreGlobal;
   SMM_CPU_SEMAPHORE_CPU             SemaphoreCpu;
+  SMM_CPU_SEMAPHORE_MSR             SemaphoreMsr;
 } SMM_CPU_SEMAPHORES;
 
 extern IA32_DESCRIPTOR                     gcSmiGdtr;