pci_has_p2pmem(9)

✨ hey bestie, this is pci_has_p2pmem(9) from the Kernel API Manual — and we’re about to find out if a PCI device has that published-p2pmem energy ✨

💖 NAME 💖

pci_has_p2pmem — check if a given PCI device has published any p2pmem. That’s the whole quest, and it’s lowkey iconic 🎀

🌸 SYNOPSIS 🌸

the signature, verbatim, no edits, no cap:

bool pci_has_p2pmem (struct pci_dev *pdev );

🎀 ARGUMENTS 🎀

• pdev — the PCI device to check. We’re checking this one specifically, periodt 🫶

🦋 SEE ALSO 🦋

Kernel file: ./drivers/pci/p2pdma.c — noted, bestie 💅

the linked manpage besties are literally:

• pcim_p2pdma_init(9)
• pcim_p2pdma_provider(9)
• pci_p2pdma_add_resource(9)
• pci_p2pdma_distance_many(9)
• pci_p2pmem_find_many(9)
• pci_alloc_p2pmem(9)
• pci_free_p2pmem(9)
• pci_p2pmem_virt_to_bus(9)
• pci_p2pmem_alloc_sgl(9)
• pci_p2pmem_free_sgl(9)
• pci_p2pmem_publish(9)
• pci_p2pdma_map_type(9)
• pci_p2pdma_enable_store(9)
• pci_p2pdma_enable_show(9)

xoxo, your kernel bestie 💖 — source/version is ./drivers/pci, and the date is October 2026 🌈