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| author | Isaku Yamahata <isaku.yamahata@intel.com> | 2024-10-30 12:00:29 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2025-03-14 14:20:50 -0400 |
| commit | 61bb28279623b636bb368ca37dc6c93a414170a3 (patch) | |
| tree | 3ececa829ebc9cb80ae9726d136095d102db72e7 /arch/x86/include/uapi | |
| parent | KVM: TDX: Add place holder for TDX VM specific mem_enc_op ioctl (diff) | |
| download | linux-61bb28279623b636bb368ca37dc6c93a414170a3.tar.gz linux-61bb28279623b636bb368ca37dc6c93a414170a3.zip | |
KVM: TDX: Get system-wide info about TDX module on initialization
TDX KVM needs system-wide information about the TDX module. Generate the
data based on tdx_sysinfo td_conf CPUID data.
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Co-developed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Co-developed-by: Tony Lindgren <tony.lindgren@linux.intel.com>
Signed-off-by: Tony Lindgren <tony.lindgren@linux.intel.com>
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com>
---
- Clarify comment about EAX[23:16] in td_init_cpuid_entry2() (Xiaoyao)
- Add comment for configurable CPUID bits (Xiaoyao)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/uapi')
| -rw-r--r-- | arch/x86/include/uapi/asm/kvm.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index 2b0317b47e47..8a4633cdb247 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -929,6 +929,8 @@ struct kvm_hyperv_eventfd { /* Trust Domain eXtension sub-ioctl() commands. */ enum kvm_tdx_cmd_id { + KVM_TDX_CAPABILITIES = 0, + KVM_TDX_CMD_NR_MAX, }; @@ -950,4 +952,13 @@ struct kvm_tdx_cmd { __u64 hw_error; }; +struct kvm_tdx_capabilities { + __u64 supported_attrs; + __u64 supported_xfam; + __u64 reserved[254]; + + /* Configurable CPUID bits for userspace */ + struct kvm_cpuid2 cpuid; +}; + #endif /* _ASM_X86_KVM_H */ |