UefiCpuPkg/PiSmmCpuDxeSmm: Allocate buffer for MSRs semaphores

[mirror_edk2.git] / UefiCpuPkg / PiSmmCpuDxeSmm / PiSmmCpuDxeSmm.h

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
index df5980cd420f3520e795fc699327f055fa8a9126..ad2109fde8277851ed509ea3de87570be9711c78 100644 (file)
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
@@ -323,6 +323,8 @@ typedef struct {
   volatile BOOLEAN              *CandidateBsp;\r
 } SMM_DISPATCHER_MP_SYNC_DATA;\r
 \r
+#define MSR_SPIN_LOCK_INIT_NUM 15\r
+\r
 typedef struct {\r
   SPIN_LOCK    SpinLock;\r
   UINT32       MsrIndex;\r
@@ -375,6 +377,13 @@ typedef struct {
   volatile BOOLEAN                  *Present;\r
 } SMM_CPU_SEMAPHORE_CPU;\r
 \r
+///\r
+/// All MSRs semaphores' pointer and counter\r
+///\r
+typedef struct {\r
+  SPIN_LOCK            *Msr;\r
+  UINTN                AvailableCounter;\r
+} SMM_CPU_SEMAPHORE_MSR;\r
 \r
 ///\r
 /// All semaphores' information\r
@@ -382,6 +391,7 @@ typedef struct {
 typedef struct {\r
   SMM_CPU_SEMAPHORE_GLOBAL          SemaphoreGlobal;\r
   SMM_CPU_SEMAPHORE_CPU             SemaphoreCpu;\r
+  SMM_CPU_SEMAPHORE_MSR             SemaphoreMsr;\r
 } SMM_CPU_SEMAPHORES;\r
 \r
 extern IA32_DESCRIPTOR                     gcSmiGdtr;\r