[Patch 04/14] UefiCpuPkg/Include/Register/Msr/*.h: Add new MSR.

[Eric Dong <eric.dong@intel.com>]

Changes includes:
  1. Add new MSR: MSR_*_MSRUNCORE_RATIO_LIMIT

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
---
 UefiCpuPkg/Include/Register/Msr/BroadwellMsr.h | 54 +++++++++++++++++++++++++
 UefiCpuPkg/Include/Register/Msr/HaswellEMsr.h  | 56 +++++++++++++++++++++++++-
 UefiCpuPkg/Include/Register/Msr/XeonDMsr.h     | 56 +++++++++++++++++++++++++-
 3 files changed, 164 insertions(+), 2 deletions(-)

diff --git a/UefiCpuPkg/Include/Register/Msr/BroadwellMsr.h b/UefiCpuPkg/Include/Register/Msr/BroadwellMsr.h
index 4e50f72008..a7a1967420 100644
--- a/UefiCpuPkg/Include/Register/Msr/BroadwellMsr.h
+++ b/UefiCpuPkg/Include/Register/Msr/BroadwellMsr.h
@@ -285,6 +285,60 @@ typedef union {
 } MSR_BROADWELL_TURBO_RATIO_LIMIT_REGISTER;
 
 
+/**
+  Package. Uncore Ratio Limit (R/W) Out of reset, the min_ratio and max_ratio
+  fields represent the widest possible range of uncore frequencies. Writing to
+  these fields allows software to control the minimum and the maximum
+  frequency that hardware will select.
+
+  @param  ECX  MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT (0x00000620)
+  @param  EAX  Lower 32-bits of MSR value.
+               Described by the type MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT_REGISTER.
+  @param  EDX  Upper 32-bits of MSR value.
+               Described by the type MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT_REGISTER.
+
+  <b>Example usage</b>
+  @code
+  MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT_REGISTER  Msr;
+
+  Msr.Uint64 = AsmReadMsr64 (MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT);
+  AsmWriteMsr64 (MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT, Msr.Uint64);
+  @endcode
+**/
+#define MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT      0x00000620
+
+/**
+  MSR information returned for MSR index #MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT
+**/
+typedef union {
+  ///
+  /// Individual bit fields
+  ///
+  struct {
+    ///
+    /// [Bits 6:0] MAX_RATIO This field is used to limit the max ratio of the
+    /// LLC/Ring.
+    ///
+    UINT32  MAX_RATIO:7;
+    UINT32  Reserved2:1;
+    ///
+    /// [Bits 14:8] MIN_RATIO Writing to this field controls the minimum
+    /// possible ratio of the LLC/Ring.
+    ///
+    UINT32  MIN_RATIO:7;
+    UINT32  Reserved3:17;
+    UINT32  Reserved4:32;
+  } Bits;
+  ///
+  /// All bit fields as a 32-bit value
+  ///
+  UINT32  Uint32;
+  ///
+  /// All bit fields as a 64-bit value
+  ///
+  UINT64  Uint64;
+} MSR_BROADWELL_MSRUNCORE_RATIO_LIMIT_REGISTER;
+
 /**
   Package. PP0 Energy Status (R/O)  See Section 14.9.4, "PP0/PP1 RAPL
   Domains.".
diff --git a/UefiCpuPkg/Include/Register/Msr/HaswellEMsr.h b/UefiCpuPkg/Include/Register/Msr/HaswellEMsr.h
index a75bdb2e13..985183b320 100644
--- a/UefiCpuPkg/Include/Register/Msr/HaswellEMsr.h
+++ b/UefiCpuPkg/Include/Register/Msr/HaswellEMsr.h
@@ -846,7 +846,61 @@ typedef union {
 
 
 /**
-  Package. Reserved (R/O)  Reads return 0.
+  Package. Uncore Ratio Limit (R/W) Out of reset, the min_ratio and max_ratio
+  fields represent the widest possible range of uncore frequencies. Writing to
+  these fields allows software to control the minimum and the maximum
+  frequency that hardware will select.
+
+  @param  ECX  MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT (0x00000620)
+  @param  EAX  Lower 32-bits of MSR value.
+               Described by the type MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT_REGISTER.
+  @param  EDX  Upper 32-bits of MSR value.
+               Described by the type MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT_REGISTER.
+
+  <b>Example usage</b>
+  @code
+  MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT_REGISTER  Msr;
+
+  Msr.Uint64 = AsmReadMsr64 (MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT);
+  AsmWriteMsr64 (MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT, Msr.Uint64);
+  @endcode
+**/
+#define MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT      0x00000620
+
+/**
+  MSR information returned for MSR index #MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT
+**/
+typedef union {
+  ///
+  /// Individual bit fields
+  ///
+  struct {
+    ///
+    /// [Bits 6:0] MAX_RATIO This field is used to limit the max ratio of the
+    /// LLC/Ring.
+    ///
+    UINT32  MAX_RATIO:7;
+    UINT32  Reserved1:1;
+    ///
+    /// [Bits 14:8] MIN_RATIO Writing to this field controls the minimum
+    /// possible ratio of the LLC/Ring.
+    ///
+    UINT32  MIN_RATIO:7;
+    UINT32  Reserved2:17;
+    UINT32  Reserved3:32;
+  } Bits;
+  ///
+  /// All bit fields as a 32-bit value
+  ///
+  UINT32  Uint32;
+  ///
+  /// All bit fields as a 64-bit value
+  ///
+  UINT64  Uint64;
+} MSR_HASWELL_E_MSRUNCORE_RATIO_LIMIT_REGISTER;
+
+/**
+  Package. Reserved (R/O) Reads return 0.
 
   @param  ECX  MSR_HASWELL_E_PP0_ENERGY_STATUS (0x00000639)
   @param  EAX  Lower 32-bits of MSR value.
diff --git a/UefiCpuPkg/Include/Register/Msr/XeonDMsr.h b/UefiCpuPkg/Include/Register/Msr/XeonDMsr.h
index cf013ea887..6dc4ee999e 100644
--- a/UefiCpuPkg/Include/Register/Msr/XeonDMsr.h
+++ b/UefiCpuPkg/Include/Register/Msr/XeonDMsr.h
@@ -754,7 +754,61 @@ typedef union {
 
 
 /**
-  Package. Reserved (R/O)  Reads return 0.
+  Package. Uncore Ratio Limit (R/W) Out of reset, the min_ratio and max_ratio
+  fields represent the widest possible range of uncore frequencies. Writing to
+  these fields allows software to control the minimum and the maximum
+  frequency that hardware will select.
+
+  @param  ECX  MSR_XEON_D_MSRUNCORE_RATIO_LIMIT (0x00000620)
+  @param  EAX  Lower 32-bits of MSR value.
+               Described by the type MSR_XEON_D_MSRUNCORE_RATIO_LIMIT_REGISTER.
+  @param  EDX  Upper 32-bits of MSR value.
+               Described by the type MSR_XEON_D_MSRUNCORE_RATIO_LIMIT_REGISTER.
+
+  <b>Example usage</b>
+  @code
+  MSR_XEON_D_MSRUNCORE_RATIO_LIMIT_REGISTER  Msr;
+
+  Msr.Uint64 = AsmReadMsr64 (MSR_XEON_D_MSRUNCORE_RATIO_LIMIT);
+  AsmWriteMsr64 (MSR_XEON_D_MSRUNCORE_RATIO_LIMIT, Msr.Uint64);
+  @endcode
+**/
+#define MSR_XEON_D_MSRUNCORE_RATIO_LIMIT         0x00000620
+
+/**
+  MSR information returned for MSR index #MSR_XEON_D_MSRUNCORE_RATIO_LIMIT
+**/
+typedef union {
+  ///
+  /// Individual bit fields
+  ///
+  struct {
+    ///
+    /// [Bits 6:0] MAX_RATIO This field is used to limit the max ratio of the
+    /// LLC/Ring.
+    ///
+    UINT32  MAX_RATIO:7;
+    UINT32  Reserved1:1;
+    ///
+    /// [Bits 14:8] MIN_RATIO Writing to this field controls the minimum
+    /// possible ratio of the LLC/Ring.
+    ///
+    UINT32  MIN_RATIO:7;
+    UINT32  Reserved2:17;
+    UINT32  Reserved3:32;
+  } Bits;
+  ///
+  /// All bit fields as a 32-bit value
+  ///
+  UINT32  Uint32;
+  ///
+  /// All bit fields as a 64-bit value
+  ///
+  UINT64  Uint64;
+} MSR_XEON_D_MSRUNCORE_RATIO_LIMIT_REGISTER;
+
+/**
+  Package. Reserved (R/O) Reads return 0.
 
   @param  ECX  MSR_XEON_D_PP0_ENERGY_STATUS (0x00000639)
   @param  EAX  Lower 32-bits of MSR value.
-- 
2.15.0.windows.1