iort_iommu_configure_id(9)

✨ iort_iommu_configure_id(9) ✨

okay bestie, welcome to the Kernel API Manual 💖 — today’s main character is iort_iommu_configure_id(9), and she is literally here to set up IOMMU configuration for a device. periodt.

💖 NAME 💖

iort_iommu_configure_id — Set-up IOMMU configuration for a device. that’s the whole vibe: get that device’s IOMMU config sorted. ✨

🌸 SYNOPSIS 🌸

int iort_iommu_configure_id (struct device *dev , const u32 *id_in );

🎀 ARGUMENTS 🎀

• dev — the device to configure. like, this is the device getting its IOMMU setup, no cap. 🫶
• id_in — optional input id const value pointer. yes bestie, optional, and it’s a const u32 * situation. 💅

🔥 RETURN 🔥

• 0 on success — slay, it worked. ✅
• <0 on failure — 😭 not slay, something went wrong.

🦋 SEE ALSO 🦋

Kernel file ./drivers/acpi/arm64/iort.c — the source file for this whole situation.

• iort_set_fwnode(9)
• iort_get_fwnode(9)
• iort_delete_fwnode(9)
• iort_get_iort_node(9)
• iort_register_domain_token(9)
• iort_deregister_domain_token(9)
• iort_find_domain_token(9)
• iort_msi_map_id(9)
• iort_msi_xlate(9)
• iort_pmsi_get_msi_info(9)
• iort_dev_find_its_id(9)
• iort_get_device_domain(9)
• iort_get_platform_device_domain(9)
• iort_iommu_get_resv_regions(9)
• iort_get_rmr_sids(9)
• iort_put_rmr_sids(9)
• iort_dma_get_ranges(9)
• iort_add_platform_device(9)

bye bestie 🫶 source/version: ./drivers/acpi/arm64; date: October 2026 — mwah 💋