xe_guc_relay_process_guc2vf(9)

💖 xe_guc_relay_process_guc2vf(9) 💖

okay so bestie, welcome to the xe_guc_relay_process_guc2vf page — it's a kernel API manual entry, and yes it lives in the xe world, we love that for us ✨

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🌸 NAME 🌸

xe_guc_relay_process_guc2vf — literally the function that handles a relay notification message from the GuC. that's it, that's the whole vibe 🎀

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✨ SYNOPSIS ✨

int xe_guc_relay_process_guc2vf (struct xe_guc_relay *relay , const u32 *msg , u32 len );

like, look at her signature. so iconic. 👑

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🦋 ARGUMENTS 🦋

• relay — the xe_guc_relay which will handle the message 💅 she's the main character here, she does the handling
• msg — the message to be handled, okurrr 🫶
• len — the length of the message, and bestie it is measured in dwords (do not forget the dwords, i'm serious 😭)

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🌈 DESCRIPTION 🌈

so what does she actually do? this function will handle relay messages received from the GuC. that's the whole job. she receives, she handles, she slays. 🔥

⚠️ important vibe check: this function can only be used if the driver is running in SR-IOV mode. no SR-IOV, no function. periodt. 💀

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⭐ RETURN ⭐

• 0 on success 💖
• a negative error code on failure 😭

that's it. clean. simple. we stan a straightforward return value ngl.

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🧚 SEE ALSO 🧚

• Kernel file ./drivers/gpu/drm/xe/xe_guc_relay.c 📁
• struct relay_transaction(9)
• xe_guc_relay_init(9)
• xe_guc_relay_send_to_vf(9)
• xe_guc_relay_send_to_pf(9)
• xe_guc_relay_process_guc2pf(9)

go read those too, they're all connected, iykyk 💜

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aaaand that's the page!! 🌸 the source/version line says this beauty comes from ./drivers/gpu/drm/xe, dated October 2026, and the manual page is xe_guc_relay_process_guc2vf(9) — okay love you bye, go handle those messages responsibly 🫶✨🎀