diff options
author | Sean Christopherson <seanjc@google.com> | 2022-11-01 17:53:41 +0300 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-11-18 20:58:58 +0300 |
commit | 68ae7c7bc56a4504ed5efde7c2f8d6024148a35e (patch) | |
tree | 2d5f8b3844818dc8d0a6d85f7dafc3dcb676c8c1 /arch/x86/include | |
parent | 381fc63ac0754e05d3921e9d399b89dfdfd2b2e5 (diff) | |
download | linux-68ae7c7bc56a4504ed5efde7c2f8d6024148a35e.tar.xz |
KVM: SVM: Add a proper field for Hyper-V VMCB enlightenments
Add a union to provide hv_enlightenments side-by-side with the sw_reserved
bytes that Hyper-V's enlightenments overlay. Casting sw_reserved
everywhere is messy, confusing, and unnecessarily unsafe.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-4-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include')
-rw-r--r-- | arch/x86/include/asm/svm.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h index 4352b46dd20c..b37249e7c660 100644 --- a/arch/x86/include/asm/svm.h +++ b/arch/x86/include/asm/svm.h @@ -5,6 +5,8 @@ #include <uapi/asm/svm.h> #include <uapi/asm/kvm.h> +#include <asm/hyperv-tlfs.h> + /* * 32-bit intercept words in the VMCB Control Area, starting * at Byte offset 000h. @@ -161,7 +163,10 @@ struct __attribute__ ((__packed__)) vmcb_control_area { * Offset 0x3e0, 32 bytes reserved * for use by hypervisor/software. */ - u8 reserved_sw[32]; + union { + struct hv_enlightenments hv_enlightenments; + u8 reserved_sw[32]; + }; }; |