pci_p2pdma_bus_addr_map(9)

💖 NAME

pci_p2pdma_bus_addr_map — turns a physical address into a bus address for a PCI_P2PDMA_MAP_BUS_ADDR transfer ✨

okay so bestie, welcome to the pci_p2pdma_bus_addr_map(9) page, straight out of the Kernel API Manual 💅 this is the glow-up version, but every detail is still right here, no cap 🫶

✨ SYNOPSIS

dma_addr_t pci_p2pdma_bus_addr_map (struct p2pdma_provider *provider ,
phys_addr_t paddr );

the return type is literally dma_addr_t, and the args stay exactly like that, periodt 🎀

🎀 ARGUMENTS

• provider — the P2P provider structure, main character energy 🦋
• paddr — the physical address to map, right there 📍

🦋 DESCRIPTION

so this one maps a physically contiguous PCI_P2PDMA_MAP_BUS_ADDR transfer — that’s the whole vibe, bestie 🌸

🌈 SEE ALSO

• Kernel file ./include/linux/pci-p2pdma.h
• struct p2pdma_provider(9)
• pci_p2pdma_state(9)

signing off from ./include/linux — October 2026 — with pci_p2pdma_bus_addr_map(9) living in the footer like an icon 👑 byeee 💖