From 6802d8af47d1dccd9a74a1f708fb9129244ef843 Mon Sep 17 00:00:00 2001
From: Roman Kisel <romank@linux.microsoft.com>
Date: Wed, 8 Oct 2025 16:34:04 -0700
Subject: Drivers: hv: VMBus protocol version 6.0

The confidential VMBus is supported starting from the protocol
version 6.0 onwards.

Provide the required definitions. No functional changes.

Signed-off-by: Roman Kisel <romank@linux.microsoft.com>
Reviewed-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
---
 include/hyperv/hvgdk_mini.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/hyperv')

diff --git a/include/hyperv/hvgdk_mini.h b/include/hyperv/hvgdk_mini.h
index 77abddfc750e..7f730a0e54e6 100644
--- a/include/hyperv/hvgdk_mini.h
+++ b/include/hyperv/hvgdk_mini.h
@@ -260,6 +260,7 @@ union hv_hypervisor_version_info {
 #define HYPERV_CPUID_VIRT_STACK_PROPERTIES	 0x40000082
 /* Support for the extended IOAPIC RTE format */
 #define HYPERV_VS_PROPERTIES_EAX_EXTENDED_IOAPIC_RTE	 BIT(2)
+#define HYPERV_VS_PROPERTIES_EAX_CONFIDENTIAL_VMBUS_AVAILABLE	 BIT(3)
 
 #define HYPERV_HYPERVISOR_PRESENT_BIT		 0x80000000
 #define HYPERV_CPUID_MIN			 0x40000005
-- 
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