intel_vgpu_...t_mmio_write(9)

💅 intel_vgpu_default_mmio_write (9) — from the Kernel API Manual, bestie 🎀

okay so picture this: we're deep in the kernel, specifically the i915 graphics driver, and somebody just poked an MMIO register. this page is about the default write handler that catches it. it's giving "fallback queen" and honestly? iconic. ✨

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🌸 NAME 🌸

intel_vgpu_default_mmio_write — the default MMIO write handler. yeah, that's literally it, no cap. 💖

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🦋 SYNOPSIS 🦋

int intel_vgpu_default_mmio_write (struct intel_vgpu *vgpu , unsigned
       int offset , void *p_data , unsigned int bytes );

look at that signature. chef's kiss. 🔥

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✨ ARGUMENTS ✨

• vgpu — a vGPU. yes, THE vGPU, the virtual graphics processing unit main character of this whole story 👑
• offset — the access offset. where we're poking, basically 📍
• p_data — the write data buffer. this is the stuff you're writing, held in a buffer, no drama 🫶
• bytes — the access data length. how many bytes we're working with, fr fr 💜

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⭐ RETURN ⭐

• Zero on success — slay 💅
• a negative error code if it failed — not slay, but at least you know 😭

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🌈 SEE ALSO 🌈

• the Kernel file ./drivers/gpu/drm/i915/gvt/handlers.c — go read it, iykyk 🧚
• intel_gvt_render_mmio_to_engine(9)
• intel_gvt_clean_mmio_info(9)
• intel_gvt_setup_mmio_info(9)
• intel_gvt_for_each_tracked_mmio(9)
• intel_vgpu_default_mmio_read(9)
• intel_vgpu_mask_mmio_write(9)
• intel_vgpu_mmio_reg_rw(9)

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bestie note: this handler is the default, which means when nothing more specific swoops in, this is who's answering the door. keep that energy in mind when you're debugging 💀

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and that's the whole page!! 🍓 shoutout to ./drivers/gpu/drm/i915/gvt for the source and to October 2026 for the date — this one's from the Kernel API Manual, page intel_vgpu_...t_mmio_write(9), and she ate 💖✨🎀