tdx_mcall_get_report0(9)

🌸 NAME 🌸

okay so this is the tdx_mcall_get_report0(9) page from the Kernel API Manual — manual name folded in right here, bestie — and tdx_mcall_get_report0 is literally the wrapper to get TDREPORT0 (a.k.a. TDREPORT subtype 0) using the TDG.MR.REPORT TDCALL. slay. 💅

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✨ SYNOPSIS ✨

int tdx_mcall_get_report0 (u8 *reportdata , u8 *tdreport );

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🎀 ARGUMENTS 🎀

• reportdata — address of the input buffer which contains user-defined REPORTDATA to be included into TDREPORT. It's giving "here's the data" slot, bestie. ✨
• tdreport — address of the output buffer to store TDREPORT. This is where the result lands. 🎀

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🦋 DESCRIPTION 🦋

Refer to the section titled "TDG.MR.REPORT leaf" in the TDX Module v1.0 specification for more information on the TDG.MR.REPORT TDCALL. iykyk, the spec has the deets. 📖

It is used in the TDX guest driver module to get the TDREPORT0. no cap.

Return 0 on success, -ENXIO for invalid operands, -EBUSY for busy operation, or -EIO on other TDCALL failures. periodt. 💅

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💅 SEE ALSO 💅

The SEE ALSO besties are:

• Kernel file ./arch/x86/coco/tdx/tdx.c
• tdx_mcall_extend_rtmr(9)
• tdx_hcall_get_quote(9)

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cute sign-off: source/version ./arch/x86/coco/tdx, date October 2026, page tdx_mcall_get_report0(9). stay iconic, bestie 🫶🦋