diff options
| author |   Sean Christopherson <seanjc@google.com> | 2022-11-01 15:53:41 +0100 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2022-11-18 12:58:58 -0500 |
| commit | 68ae7c7bc56a4504ed5efde7c2f8d6024148a35e (patch) | |
| tree | 2d5f8b3844818dc8d0a6d85f7dafc3dcb676c8c1 /arch/x86/include/asm/svm.h | |
| parent | KVM: selftests: Move "struct hv_enlightenments" to x86_64/svm.h (diff) | |
| download | wireguard-linux-68ae7c7bc56a4504ed5efde7c2f8d6024148a35e.tar.xz wireguard-linux-68ae7c7bc56a4504ed5efde7c2f8d6024148a35e.zip | |
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/asm/svm.h')
| -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]; + }; }; |