Commit 8b821cf7 authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Bjorn Helgaas
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PCI: endpoint: Add EP function driver to provide NTB functionality 

Add a new endpoint function driver to provide NTB functionality using
multiple PCIe endpoint instances.

[arnd@arndb.de: Select configfs dependency]
[yebin10@huawei.com: Fix unused but set variables]
[geert+renesas@glider.be: Explain NTB in PCI_EPF_NTB help text]

Link: https://lore.kernel.org/r/20210201195809.7342-14-kishon@ti.com


Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarYe Bin <yebin10@huawei.com>
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent a62074a9

drivers/pci/endpoint/functions/Kconfig

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Original line number Diff line number Diff line
@@ -12,3 +12,16 @@ config PCI_EPF_TEST 
	   for PCI Endpoint.



	   If in doubt, say "N" to disable Endpoint test driver.



config PCI_EPF_NTB

	tristate "PCI Endpoint NTB driver"

	depends on PCI_ENDPOINT

	select CONFIGFS_FS

	help

	  Select this configuration option to enable the Non-Transparent

	  Bridge (NTB) driver for PCI Endpoint. NTB driver implements NTB

	  controller functionality using multiple PCIe endpoint instances.

	  It can support NTB endpoint function devices created using

	  device tree.



	  If in doubt, say "N" to disable Endpoint NTB driver.

drivers/pci/endpoint/functions/Makefile

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Original line number Diff line number Diff line
@@ -4,3 +4,4 @@ 
#



obj-$(CONFIG_PCI_EPF_TEST)		+= pci-epf-test.o

obj-$(CONFIG_PCI_EPF_NTB)		+= pci-epf-ntb.o

drivers/pci/endpoint/functions/pci-epf-ntb.c

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