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SubjectRe: [PATCHv2 03/29] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions

> --- a/arch/x86/include/asm/tdx.h
> +++ b/arch/x86/include/asm/tdx.h
> @@ -8,6 +8,25 @@
> #define TDX_CPUID_LEAF_ID 0x21
> #define TDX_IDENT "IntelTDX "

Seems above two are not required by assembly file? If so also move them to
within #ifndef __ASSEMBLY__?

>
> +#define TDX_SEAMCALL_VMFAILINVALID 0x8000FF00FFFF0000ULL
> +
> +#ifndef __ASSEMBLY__
> +
> +/*
> + * Used to gather the output registers values of the TDCALL and SEAMCALL
> + * instructions when requesting services from the TDX module.
> + *
> + * This is a software only structure and not part of the TDX module/VMM ABI.
> + */
> +struct tdx_module_output {
> + u64 rcx;
> + u64 rdx;
> + u64 r8;
> + u64 r9;
> + u64 r10;
> + u64 r11;
> +};
> +

Is declaration of __tdx_module_call() outside of CONFIG_INTEL_TDX_GUEST?

> #ifdef CONFIG_INTEL_TDX_GUEST
>
> void __init tdx_early_init(void);
> @@ -18,4 +37,5 @@ static inline void tdx_early_init(void) { };
>
> #endif /* CONFIG_INTEL_TDX_GUEST */
>
> +#endif /* !__ASSEMBLY__ */
> #endif /* _ASM_X86_TDX_H */

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