1*ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2e26a5843SAllen Hubbemenuconfig NTB 3e26a5843SAllen Hubbe tristate "Non-Transparent Bridge support" 4fce8a7bbSJon Mason depends on PCI 5fce8a7bbSJon Mason help 6fce8a7bbSJon Mason The PCI-E Non-transparent bridge hardware is a point-to-point PCI-E bus 7fce8a7bbSJon Mason connecting 2 systems. When configured, writes to the device's PCI 8fce8a7bbSJon Mason mapped memory will be mirrored to a buffer on the remote system. The 9fce8a7bbSJon Mason ntb Linux driver uses this point-to-point communication as a method to 10fce8a7bbSJon Mason transfer data from one system to the other. 11fce8a7bbSJon Mason 12fce8a7bbSJon Mason If unsure, say N. 13fce8a7bbSJon Mason 14e26a5843SAllen Hubbeif NTB 15e26a5843SAllen Hubbe 16e26a5843SAllen Hubbesource "drivers/ntb/hw/Kconfig" 17e26a5843SAllen Hubbe 18963de473SAllen Hubbesource "drivers/ntb/test/Kconfig" 19963de473SAllen Hubbe 20e26a5843SAllen Hubbeconfig NTB_TRANSPORT 21e26a5843SAllen Hubbe tristate "NTB Transport Client" 22e26a5843SAllen Hubbe help 23e26a5843SAllen Hubbe This is a transport driver that enables connected systems to exchange 24e26a5843SAllen Hubbe messages over the ntb hardware. The transport exposes a queue pair api 25e26a5843SAllen Hubbe to client drivers. 26e26a5843SAllen Hubbe 27e26a5843SAllen Hubbe If unsure, say N. 28e26a5843SAllen Hubbe 29e26a5843SAllen Hubbeendif # NTB 30