PREP_GUC_KLV_CONST(9)

✨ PREP_GUC_KLV_CONST ✨

okay bestie, welcome to the Kernel API Manual 💅 — this is the page for PREP_GUC_KLV_CONST(9), and it's literally the little macro that gets your KLV header value all prepped and ready based on a const key and a length. no cap, that's the whole vibe.

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🎀 NAME 🎀

PREP_GUC_KLV_CONST — Prepare KLV header value based on const key and len. that's it, that's the job, and it does it flawlessly 🫶

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🌸 SYNOPSIS 🌸

PREP_GUC_KLV_CONST (key , len );

look at her. so simple. so iconic 👑

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💖 ARGUMENTS 💖

• key — the const KLV key 🔑 (yes, it's const, don't come for her)
• len — the const KLV length 📏

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🌈 RETURN 🌈

returns the value of the KLV header as a u32. that's a 32-bit unsigned integer for the uninitiated — she's giving exactly what you asked for, no more, no less ✨

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/xe/xe_guc_klv_helpers.h
• PREP_GUC_KLV(9)
• MAKE_GUC_KLV_KEY(9)
• MAKE_GUC_KLV_LEN(9)
• PREP_GUC_KLV_TAG(9)

go read those too, they're all in the same friend group, iykyk 💜

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okay that's the whole page, you ate that 🍓 this little gem lives under ./drivers/gpu/drm/xe, dated October 2026, and it's filed as PREP_GUC_KLV_CONST(9) — slay, bye! 💅✨