hl_pci_iatu_write(9)

🌸 hl_pci_iatu_write(9) 🌸

okay so this page is straight outta the Kernel API Manual, and it’s giving “small but important PCI helper” energy. Periodt. 💅

✨ NAME ✨

hl_pci_iatu_write — the iatu write routine. That’s the whole vibe, bestie. 🎀

💖 SYNOPSIS 💖

int hl_pci_iatu_write (struct hl_device *hdev , u32 addr , u32 data );

🦋 ARGUMENTS 🦋

• hdev — Pointer to hl_device structure. Like, the device context bestie. 👑
• addr — Address to write to. The target. The destination. The place. ✨
• data — Data to write. The actual payload, no cap. 💾

⭐ RETURN ⭐

It returns 0 on success, and a negative value for failure. That’s it. That’s the return contract. 😌

🌈 SEE ALSO 🌈

• Kernel file ./drivers/accel/habanalabs/common/pci/pci.c
• hl_pci_bars_map(9)
• hl_pci_bars_unmap(9)
• hl_pci_elbi_write(9)
• hl_pci_set_inbound_region(9)
• hl_pci_set_outbound_region(9)
• hl_get_pci_memory_region(9)
• hl_pci_init(9)
• hl_pci_fini(9)

this page’s source/version is ./drivers/accel/habanalabs/com..., and it’s dated October 2026 — mwah, bye bestie 💖🧚