linux-kernel - Re: [PATCH v13 009/113] KVM: TDX: Define TDX architectural definitions

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Date:   Mon, 13 Mar 2023 19:37:43 +0800
From:   Xiaoyao Li <xiaoyao.li@...el.com>
To:     isaku.yamahata@...el.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     isaku.yamahata@...il.com, Paolo Bonzini <pbonzini@...hat.com>,
        erdemaktas@...gle.com, Sean Christopherson <seanjc@...gle.com>,
        Sagi Shahar <sagis@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Kai Huang <kai.huang@...el.com>,
        Zhi Wang <zhi.wang.linux@...il.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Subject: Re: [PATCH v13 009/113] KVM: TDX: Define TDX architectural
 definitions

On 3/13/2023 1:55 AM, isaku.yamahata@...el.com wrote:
> diff --git a/arch/x86/kvm/vmx/tdx_arch.h b/arch/x86/kvm/vmx/tdx_arch.h
> new file mode 100644
> index 000000000000..942a0e561a7b
> --- /dev/null
> +++ b/arch/x86/kvm/vmx/tdx_arch.h
...
> +
> +#define TDG_VP_VMCALL_GET_TD_VM_CALL_INFO		0x10000
> +#define TDG_VP_VMCALL_MAP_GPA				0x10001
> +#define TDG_VP_VMCALL_GET_QUOTE				0x10002
> +#define TDG_VP_VMCALL_REPORT_FATAL_ERROR		0x10003
> +#define TDG_VP_VMCALL_SETUP_EVENT_NOTIFY_INTERRUPT	0x10004

TDX guest side implementation defines

     /* TDX hypercall Leaf IDs */
     #define TDVMCALL_MAP_GPA			0x10001
     #define TDVMCALL_REPORT_FATAL_ERROR		0x10003

We need put these shared definitions between host and guest into some 
shared header file.