[Patch V3 2/2] MdePkg: Add define for MultiprocessorWakeupMailboxStructure Version

["duntan" <dun.tan@intel.com>]

Add define for MultiprocessorWakeupMailboxStructure Version. The
version for Mailbox Structure in Spec6.4 is 0.

Signed-off-by: Dun Tan <dun.tan@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
---
 MdePkg/Include/IndustryStandard/Acpi64.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/MdePkg/Include/IndustryStandard/Acpi64.h b/MdePkg/Include/IndustryStandard/Acpi64.h
index bfd022b6b6..379ab02a72 100644
--- a/MdePkg/Include/IndustryStandard/Acpi64.h
+++ b/MdePkg/Include/IndustryStandard/Acpi64.h
@@ -601,6 +601,11 @@ typedef struct {
   UINT64    MailBoxAddress;
 } EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP_STRUCTURE;
 
+///
+/// Multiprocessor Wakeup Mailbox Structure Version (as defined in ACPI 6.4 spec.)
+///
+#define EFI_ACPI_6_4_MULTIPROCESSOR_WAKEUP_MAILBOX_STRUCTURE_VERSION  0x0
+
 ///
 /// Multiprocessor Wakeup Mailbox Structure
 ///
-- 
2.31.1.windows.1