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Drivers: hv: VMBus protocol version 6.0

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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>
This commit is contained in:
Roman Kisel
2025-10-08 16:34:04 -07:00
committed by Wei Liu
parent 92c7053b44
commit 6802d8af47
4 changed files with 65 additions and 19 deletions
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1
include/hyperv/hvgdk_mini.h
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@@ -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