xe_hw_engine_mmio_read32(9)

💅 xe_hw_engine_mmio_read32 — Kernel API Manual ✨

okay so bestie, buckle up, we're reading a register today and honestly? it's giving "small function, big responsibility" 🎀 This one lives in the Kernel API Manual, section 9 (that's the kernel-functions girlies, iykyk).

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🌸 NAME 🌸

xe_hw_engine_mmio_read32 — literally just: Read engine register 🦋

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✨ SYNOPSIS ✨

u32 xe_hw_engine_mmio_read32 (struct xe_hw_engine *hwe , struct xe_reg
reg );

she takes two things and hands you back a u32, no cap 💖

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🎀 ARGUMENTS 🎀

• hwe — the engine 🌈 (your struct xe_hw_engine *, the main character here)
• reg — the register to read from 👑

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💅 DESCRIPTION 💅

so this function will read from an engine specific register. that's it, that's the vibe ✨

⚠️ Forcewake must be held by the caller. not me warning you — the function is — bestie please hold forcewake before you call this, fr fr, this is not optional 🙈💀

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🔥 RETURN 🔥

the value of the 32-bit register 💖 that's your u32, slay.

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/xe/xe_hw_engine.c — the source, go read her, she ate 💅
• xe_hw_engine_snapshot_capture(9) 🌸
• xe_hw_engine_snapshot_free(9) 🎀
• xe_hw_engine_print(9) ✨
• xe_hw_engine_lookup(9) 👑

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👑 THE SIGN-OFF 👑

this lil page lives in ./drivers/gpu/drm/xe, and it was dated October 2026 — yes bestie, the future, we're in it 💜 and the whole thing is filed under xe_hw_engine_mmio_read32(9) so you can always find her again 🫶

go read that register, icon, and remember: hold your forcewake 🌈⭐ periodt.