enable_sdma_srcs(9)

💅 enable_sdma_srcs(9) 💅

okay bestie, welcome to the Kernel API Manual ✨ this one is about enable_sdma_srcs, and it’s short but iconic. It’s the helper whose whole vibe is enabling SDMA IRQ srcs. No cap. 🫶

🌸 NAME 🌸

enable_sdma_srcs — Helper to enable SDMA IRQ srcs 💖

🦋 SYNOPSIS 🦋

void enable_sdma_srcs (struct hfi1_devdata *dd , int i );

🎀 ARGUMENTS 🎀

• dd — a valid devdata structure, periodt.
• i — the index of SDMA engine. iykyk. 🌈

👑 SEE ALSO 👑

Kernel file ./drivers/infiniband/hw/hfi1/msix.c — yes, that exact path, bestie — plus this whole friend group:

• msix_initialize(9)
• msix_request_irq(9)
• msix_request_rcd_irq(9)
• msix_netdev_request_rcd_irq(9)
• msix_request_sdma_irq(9)
• msix_request_general_irq(9)
• msix_request_irqs(9)
• msix_free_irq(9)
• msix_clean_up_interrupts(9)
• msix_netdev_synchronize_irq(9)

mwah 💋 okay bye, bestie — source/version: ./drivers/infiniband/hw/hfi1 — date: October 2026 🦋