sba_dma_supported(9)

📦 version 7.3.1, in nixpkgs unstable

✨ sba_dma_supported(9) ✨

okay so real talk bestie, this one's a page from the Kernel API Manual — yes we're in the kernel docs now, main character energy fr 💅

🎀 NAME 🎀

sba_dma_supported — the thing a PCI driver hits up when it wants to know if DMA is even supported 💖

🌸 SYNOPSIS 🌸

int sba_dma_supported (struct device *dev , u64 mask );

🦋 ARGUMENTS 🦋

  • dev — an instance of PCI that's owned by the driver doing the asking 🫶 like, this is your device, the one curious about its DMA situation
  • mask — the number of address bits this PCI device can handle ⭐ that's it, that's the number

💜 DESCRIPTION 💜

okay so for the full lore you gotta go read Documentation/core-api/dma-api-howto.rst 📖 that's the whole description, no cap — the page just points you there and honestly? iconic of it. lowkey minimalism 💅

🌈 SEE ALSO 🌈

Kernel file ./drivers/parisc/sba_iommu.c — and bestie, it comes with a whole friend group 😭:

like, that's a whole squad 🧚 go say hi to all of them ✨

that's the whole page diva, it's short and sweet 🍓

mwah 💋 this cutie lives over in ./drivers/parisc, it's dated October 2026, and it answers to the name sba_dma_supported(9) — see u in the group chat bestie 🫶

📦 where this page comes from