pci_vpd_check_csum(9)

🌸 NAME 🌸

pci_vpd_check_csum — check VPD checksum 💅

Okay bestie, this is the pci_vpd_check_csum(9) page from the Kernel API Manual, and it's lowkey a tiny checksum vibe check ✨

✨ SYNOPSIS ✨

int pci_vpd_check_csum (const void *buf , unsigned int len );

🎀 ARGUMENTS 🎀

• buf — pointer to buffered VPD data 🫶
• len — VPD size 🌸

💅 DESCRIPTION 💅

So here's the whole lore: it returns 1 if the VPD has no checksum. Otherwise, it returns 0 or an errno. That's it, that's the function, and honestly periodt ✨

🦋 SEE ALSO 🦋

Kernel file: ./include/linux/pci.h

• enum pci_interrupt_pin(9) 🌈
• pci_channel_state_t(9)
• pci_is_bridge(9)
• pci_is_vga(9)
• pci_is_display(9)
• struct pci_driver(9)
• PCI_DEVICE(9)
• PCI_DEVICE_DRIVER_OVERRIDE(9)
• PCI_DRIVER_OVERRIDE_DEVICE_VFIO(9)
• PCI_DEVICE_SUB(9)
• PCI_DEVICE_CLASS(9)
• PCI_VDEVICE(9)
• PCI_VDEVICE_SUB(9)
• PCI_DEVICE_DATA(9)
• pcie_capability_clear_and_set_word(9)
• pci_bus_for_each_resource(9)
• module_pci_driver(9)
• builtin_pci_driver(9)
• pci_irq_type(9)
• pci_irqd_intx_xlate(9)
• pci_resource_is_io(9)
• pci_resource_is_mem(9)
• pci_pcie_cap(9)
• pci_is_pcie(9)
• pcie_caps_reg(9)
• pci_pcie_type(9)
• pcie_find_root_port(9)
• pci_vpd_alloc(9)
• pci_vpd_find_id_string(9)
• pci_vpd_find_ro_info_keyword(9)
• pci_ari_enabled(9)
• pci_is_thunderbolt_attached(9)

okay bye bestie, mwah 💖 — source/version: ./include/linux; date: October 2026 🎀✨