10-Bit Tag capability, introduced in PCIe-4.0 increases the total Tag field size from 8 bits to 10 bits. This patchset is to enable 10-Bit tag for PCIe EP devices (include VF) and RP devices. Dongdong Liu (4): PCI: Add 10-Bit Tag register definitions PCI: Enable 10-Bit tag support for PCIe Endpoint devices PCI/IOV: Enable 10-Bit tag support for PCIe VF devices PCI: Enable 10-Bit tag support for PCIe RP devices drivers/pci/iov.c | 8 +++ drivers/pci/pci.h | 2 + drivers/pci/pcie/portdrv_pci.c | 3 + drivers/pci/probe.c | 125 +++++++++++++++++++++++++++++++++++++++++ include/linux/pci.h | 1 + include/uapi/linux/pci_regs.h | 5 ++ 6 files changed, 144 insertions(+) -- 1.9.1