xe_memirq_init_guc(9)

💖 NAME 💖

okay so this is the Kernel API Manual page for xe_memirq_init_guc(9), and bestie it's literally the function that prepares the GuC for Memory Based Interrupts_. It's giving “get the interrupt pages registered before the main character work starts” energy 💅✨

✨ SYNOPSIS ✨

int xe_memirq_init_guc (struct xe_memirq *memirq , struct xe_guc *guc );

no cap, that's the whole signature 🫶

🧚 ARGUMENTS 🧚

• memirq — the xe_memirq, aka the memory-IRQ struct in question 💖
• guc — the xe_guc to setup, i.e. the GuC side getting wired up 🌸

🌸 DESCRIPTION 🌸

So what it does: it registers the Interrupt Source Report Page_ and the Interrupt Status Report Page_ to be used by the GuC when Memory Based Interrupts_ are required. That's the assignment, and it ate 🔥

You shall call this when Memory Based Interrupts_ are used and xe_memirq_init didn't fail — like, that's the condition, bestie, no cap 😭

💜 RETURN 💜

0 on success or a negative error code on failure. That's the whole return vibe, periodt 💀✨

🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/xe/xe_memirq.c
• Memory Based Interrupts(9)
• Memory Based Interrupts Page Layout(9)
• xe_memirq_init(9)
• xe_memirq_source_ptr(9)
• xe_memirq_status_ptr(9)
• xe_memirq_enable_ptr(9)
• xe_memirq_reset(9)
• xe_memirq_postinstall(9)
• xe_memirq_hwe_handler(9)
• xe_memirq_guc_sw_int_0_irq_pending(9)
• xe_memirq_handler(9)

signed off from ./drivers/gpu/drm/xe on October 2026, Kernel API Manual besties, xe_memirq_init_guc(9) page out 💅🦋✨