linux-toradex.git/drivers/pci/endpoint/Makefile, branch master Linux kernel for Apalis and Colibri modules PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller 2025-07-24T21:51:17+00:00 Frank Li Frank.Li@nxp.com 2025-07-10T19:13:49+00:00 1c3b002c6bf684b445a7107609979bca5f21bc03 Implement the doorbell feature by mapping the EP's MSI interrupt controller message address to a dedicated BAR. The EPF driver should pass the actual message data to be written to the message address by the host through implementation-specific logic. Signed-off-by: Frank Li <Frank.Li@nxp.com> [mani: minor code cleanups and reworded commit message] Signed-off-by: Manivannan Sadhasivam <mani@kernel.org> [bhelgaas: fix kernel-doc] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Tested-by: Niklas Cassel <cassel@kernel.org> Link: https://patch.msgid.link/20250710-ep-msi-v21-3-57683fc7fb25@nxp.com 
Implement the doorbell feature by mapping the EP's MSI interrupt controller
message address to a dedicated BAR.

The EPF driver should pass the actual message data to be written to the
message address by the host through implementation-specific logic.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
[mani: minor code cleanups and reworded commit message]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
[bhelgaas: fix kernel-doc]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Niklas Cassel <cassel@kernel.org>
Link: https://patch.msgid.link/20250710-ep-msi-v21-3-57683fc7fb25@nxp.com
PCI: Add SPDX GPL-2.0 when no license was specified 2018-01-26T17:45:16+00:00 Bjorn Helgaas bhelgaas@google.com 2018-01-26T17:45:16+00:00 7328c8f48d1895b3fec98b0b319cfb856b4c4fa1 b24413180f56 ("License cleanup: add SPDX GPL-2.0 license identifier to files with no license") added SPDX GPL-2.0 to several PCI files that previously contained no license information. Add SPDX GPL-2.0 to all other PCI files that did not contain any license information and hence were under the default GPL version 2 license of the kernel. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
b24413180f56 ("License cleanup: add SPDX GPL-2.0 license identifier to
files with no license") added SPDX GPL-2.0 to several PCI files that
previously contained no license information.

Add SPDX GPL-2.0 to all other PCI files that did not contain any license
information and hence were under the default GPL version 2 license of the
kernel.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 PCI: endpoint: functions: Add an EP function to test PCI 2017-04-11T19:18:37+00:00 Kishon Vijay Abraham I kishon@ti.com 2017-03-27T09:45:03+00:00 349e7a85b25fa6ee82902d9be2cc5f3bec815120 Adds a new endpoint function driver (to program the virtual test device) making use of the EP-core library. [bhelgaas: fold in pci_epf_test_probe() -ENOMEM test from Wei Yongjun <weiyongjun1@huawei.com>] Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> 
Adds a new endpoint function driver (to program the virtual test device)
making use of the EP-core library.

[bhelgaas: fold in pci_epf_test_probe() -ENOMEM test from Wei Yongjun
<weiyongjun1@huawei.com>]
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 PCI: endpoint: Introduce configfs entry for configuring EP functions 2017-04-11T19:18:36+00:00 Kishon Vijay Abraham I kishon@ti.com 2017-03-27T09:44:59+00:00 d746799116103d857be203382b09035bbe225d03 Introduce a new configfs entry to configure the EP function (like configuring the standard configuration header entries) and to bind the EP function with EP controller. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> 
Introduce a new configfs entry to configure the EP function (like
configuring the standard configuration header entries) and to bind the EP
function with EP controller.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 PCI: endpoint: Add EP core layer to enable EP controller and EP functions 2017-04-11T19:18:35+00:00 Kishon Vijay Abraham I kishon@ti.com 2017-04-10T13:55:10+00:00 5e8cb4033807e39849b753e5399ec130c0995f1f Introduce a new EP core layer in order to support endpoint functions in linux kernel. This comprises the EPC library (Endpoint Controller Library) and EPF library (Endpoint Function Library). EPC library implements functions specific to an endpoint controller and EPF library implements functions specific to an endpoint function. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Joao Pinto <jpinto@synopsys.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> 
Introduce a new EP core layer in order to support endpoint functions in
linux kernel. This comprises the EPC library (Endpoint Controller Library)
and EPF library (Endpoint Function Library). EPC library implements
functions specific to an endpoint controller and EPF library implements
functions specific to an endpoint function.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>