iommu_put_dma_cookie(9)

💅 NAME 💅

okay so bestie, this is iommu_put_dma_cookie(9) from the Kernel API Manual, and its whole thing is Release a domain's DMA mapping resources. That's the mission. That's the vibe. ✨

🌸 SYNOPSIS 🌸

void iommu_put_dma_cookie (struct iommu_domain *domain );

It's a void function, no cap. 🫶

🎀 ARGUMENTS 🎀

• domain — the IOMMU domain that was previously prepared by iommu_get_dma_cookie. This is the domain whose DMA mapping resources are getting released. 💖

🦋 SEE ALSO 🦋

The kernel file is ./drivers/iommu/dma-iommu.c, and the related function crew is:

• iommu_get_dma_cookie(9)
• iommu_get_msi_cookie(9)
• iommu_put_msi_cookie(9)
• iommu_dma_get_resv_regions(9)
• iommu_dma_init_options(9)
• iommu_dma_init_domain(9)
• dma_info_to_prot(9)
• dma_iova_try_alloc(9)
• dma_iova_free(9)
• dma_iova_link(9)
• dma_iova_sync(9)
• dma_iova_unlink(9)
• dma_iova_destroy(9)

byeee bestie 🫶 this page lives under ./drivers/iommu, it's dated October 2026, and it's iommu_put_dma_cookie(9) — iconic, mwah 💋