xe_memirq_source_ptr(9)

👑 xe_memirq_source_ptr 👑

okay so this page is straight out of the Kernel API Manual, and it's here to hand you the GGTT offset of the Interrupt Source Report Page_ — iconic behavior only, no cap 💅.

✨ NAME ✨

xe_memirq_source_ptr — get GGTT's offset of the Interrupt Source Report Page_ 🎯

🌸 SYNOPSIS 🌸

u32 xe_memirq_source_ptr (struct xe_memirq *memirq , struct xe_hw_engine *hwe );

🦋 ARGUMENTS 🦋

• memirq — the xe_memirq you're querying, bestie. That's the one.
• hwe — the hw engine whose report page you want. Like, the specific one.

💖 DESCRIPTION 💖

You call this when Memory Based Interrupts_ are being used and xe_memirq_init didn't fail. That's the rule, fr fr — no init fail, no call. slay ✨

🎀 RETURN 🎀

GGTT's offset of the Interrupt Source Report Page_ 💫 That's what you get back — the offset, not the page itself, iykyk.

🫶 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_status_ptr(9)
• xe_memirq_enable_ptr(9)
• xe_memirq_init_guc(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)

mwah 💋 — signed, sealed, delivered from ./drivers/gpu/drm/xe, dated October 2026, and yes the page is literally xe_memirq_source_ptr(9) 🫶