Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=linux-6.0.y 2022-08-09T21:54:03+00:00 2022-08-09T21:54:03+00:00 Frank Li Frank.Li@nxp.com 2022-02-22T16:23:53+00:00 urn:sha1:e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 Support the below BAR configuration methods for epf NTB. BAR 0: config and scratchpad BAR 2: doorbell BAR 4: memory map windows Set difference BAR number information into struct ntb_epf_data. So difference VID/PID can choose different BAR configurations. There are difference BAR map method between epf NTB and epf vNTB Endpoint function. Signed-off-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> 2021-02-23T20:12:53+00:00 Kishon Vijay Abraham I kishon@ti.com 2021-02-01T19:58:07+00:00 urn:sha1:812ce2f8d14ea791edd88c36ebcc9017bf4c88cb Add support for EPF PCI Non-Transparent Bridge (NTB) devices. This driver is platform independent and may be used by any platform that has multiple PCI endpoint instances configured using the pci-epf-ntb driver. The driver connnects to the standard NTB subsystem interface. The EPF NTB device has a configurable number of memory windows (max 4), a configurable number of doorbells (max 32), and a configurable number of scratch-pad registers. Link: https://lore.kernel.org/r/20210201195809.7342-16-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com>