diff options
| -rw-r--r-- | tools/arch/arm64/include/uapi/asm/kvm.h | 7 | ||||
| -rw-r--r-- | tools/arch/x86/include/uapi/asm/kvm.h | 31 |
2 files changed, 28 insertions, 10 deletions
diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h index 7b7ac0f6cec9..d819a3e8b552 100644 --- a/tools/arch/arm64/include/uapi/asm/kvm.h +++ b/tools/arch/arm64/include/uapi/asm/kvm.h @@ -260,6 +260,13 @@ struct kvm_vcpu_events { KVM_REG_SIZE_U256 | \ ((i) & (KVM_ARM64_SVE_MAX_SLICES - 1))) +/* + * Register values for KVM_REG_ARM64_SVE_ZREG(), KVM_REG_ARM64_SVE_PREG() and + * KVM_REG_ARM64_SVE_FFR() are represented in memory in an endianness- + * invariant layout which differs from the layout used for the FPSIMD + * V-registers on big-endian systems: see sigcontext.h for more explanation. + */ + #define KVM_ARM64_SVE_VQ_MIN __SVE_VQ_MIN #define KVM_ARM64_SVE_VQ_MAX __SVE_VQ_MAX diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index 24a8cd229df6..d6ab5b4d15e5 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -383,6 +383,9 @@ struct kvm_sync_regs { #define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) #define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3) +#define KVM_STATE_NESTED_FORMAT_VMX 0 +#define KVM_STATE_NESTED_FORMAT_SVM 1 /* unused */ + #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 #define KVM_STATE_NESTED_EVMCS 0x00000004 @@ -390,7 +393,14 @@ struct kvm_sync_regs { #define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_SMM_VMXON 0x00000002 -struct kvm_vmx_nested_state { +#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000 + +struct kvm_vmx_nested_state_data { + __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; + __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; +}; + +struct kvm_vmx_nested_state_hdr { __u64 vmxon_pa; __u64 vmcs12_pa; @@ -401,24 +411,25 @@ struct kvm_vmx_nested_state { /* for KVM_CAP_NESTED_STATE */ struct kvm_nested_state { - /* KVM_STATE_* flags */ __u16 flags; - - /* 0 for VMX, 1 for SVM. */ __u16 format; - - /* 128 for SVM, 128 + VMCS size for VMX. */ __u32 size; union { - /* VMXON, VMCS */ - struct kvm_vmx_nested_state vmx; + struct kvm_vmx_nested_state_hdr vmx; /* Pad the header to 128 bytes. */ __u8 pad[120]; - }; + } hdr; - __u8 data[0]; + /* + * Define data region as 0 bytes to preserve backwards-compatability + * to old definition of kvm_nested_state in order to avoid changing + * KVM_{GET,PUT}_NESTED_STATE ioctl values. + */ + union { + struct kvm_vmx_nested_state_data vmx[0]; + } data; }; #endif /* _ASM_X86_KVM_H */ |