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path: root/drivers/pci/endpoint/functions/Kconfig
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2023-06-23PCI: endpoint: Add PCI Endpoint function driver for MHI busManivannan Sadhasivam1-0/+10
Add PCI Endpoint driver for the Qualcomm MHI (Modem Host Interface) bus. The driver implements the MHI function over PCI in the endpoint device such as SDX55 modem. The MHI endpoint function driver acts as a controller driver for the MHI Endpoint stack and carries out all PCI related functionality. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Manivannan Sadhasivam <[email protected]> Signed-off-by: Lorenzo Pieralisi <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Reviewed-by: Kishon Vijay Abraham I <[email protected]> Reviewed-by: Damien Le Moal <[email protected]>
2023-06-23PCI: endpoint: Fix a Kconfig prompt of vNTB driverShunsuke Mie1-1/+1
vNTB driver and NTB driver have same Kconfig prompt. Changed to make it distinguishable. Link: https://lore.kernel.org/r/[email protected] Fixes: e35f56bb0330 ("PCI: endpoint: Support NTB transfer between RC and EP") Signed-off-by: Shunsuke Mie <[email protected]> Signed-off-by: Lorenzo Pieralisi <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Reviewed-by: Manivannan Sadhasivam <[email protected]>
2022-11-11PCI: endpoint: Fix Kconfig indent styleShunsuke Mie1-9/+9
Change to follow the Kconfig style guide. This patch fixes to use tab rather than space to indent, while help text is indented an additional two spaces. Link: https://lore.kernel.org/r/[email protected] Fixes: e35f56bb0330 ("PCI: endpoint: Support NTB transfer between RC and EP") Signed-off-by: Shunsuke Mie <[email protected]> Signed-off-by: Lorenzo Pieralisi <[email protected]>
2022-08-09PCI: endpoint: Fix Kconfig dependencyRen Zhijie1-0/+1
If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y. make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler': pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event' pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event' pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event' drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe': pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device' The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in. To fix this build error, add depends on NTB. Reported-by: Hulk Robot <[email protected]> Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection") Signed-off-by: Ren Zhijie <[email protected]> Acked-by: Frank Li <[email protected]> Acked-by: Randy Dunlap <[email protected]> Tested-by: Randy Dunlap <[email protected]> # build-tested Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Jon Mason <[email protected]>
2022-08-09PCI: endpoint: Support NTB transfer between RC and EPFrank Li1-0/+11
Add NTB function driver and virtual PCI Bus and Virtual NTB driver to implement communication between PCIe Root Port and PCIe EP devices ┌────────────┐ ┌─────────────────────────────────────┐ │ │ │ │ ├────────────┤ │ ┌──────────────┤ │ NTB │ │ │ NTB │ │ NetDev │ │ │ NetDev │ ├────────────┤ │ ├──────────────┤ │ NTB │ │ │ NTB │ │ Transfer │ │ │ Transfer │ ├────────────┤ │ ├──────────────┤ │ │ │ │ │ │ PCI NTB │ │ │ │ │ EPF │ │ │ │ │ Driver │ │ │ PCI Virtual │ │ │ ├───────────────┐ │ NTB Driver │ │ │ │ PCI EP NTB │◄────►│ │ │ │ │ FN Driver │ │ │ ├────────────┤ ├───────────────┤ ├──────────────┤ │ │ │ │ │ │ │ PCI Bus │ ◄─────► │ PCI EP Bus │ │ Virtual PCI │ │ │ PCI │ │ │ Bus │ └────────────┘ └───────────────┴──────┴──────────────┘ PCIe Root Port PCI EP This driver includes 3 parts: 1 PCI EP NTB function driver 2 Virtual PCI bus 3 PCI virtual NTB driver, which is loaded only by above virtual PCI bus Signed-off-by: Frank Li <[email protected]> Signed-off-by: Jon Mason <[email protected]>
2021-02-23PCI: endpoint: Add EP function driver to provide NTB functionalityKishon Vijay Abraham I1-0/+13
Add a new endpoint function driver to provide NTB functionality using multiple PCIe endpoint instances. [[email protected]: Select configfs dependency] [[email protected]: Fix unused but set variables] [[email protected]: Explain NTB in PCI_EPF_NTB help text] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Kishon Vijay Abraham I <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]> Signed-off-by: Ye Bin <[email protected]> Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Lorenzo Pieralisi <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]>
2018-01-26PCI: Add SPDX GPL-2.0 when no license was specifiedBjorn Helgaas1-0/+1
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 <[email protected]> Reviewed-by: Greg Kroah-Hartman <[email protected]>
2017-06-12PCI: endpoint: Select CRC32 to fix test build errorRandy Dunlap1-0/+1
The PCI endpoint test driver uses crc32_le() so it should select CRC32. Fixes this build error (when CRC32=m): drivers/built-in.o: In function `pci_epf_test_cmd_handler': pci-epf-test.c:(.text+0x2d98d): undefined reference to `crc32_le' Fixes: 349e7a85b25f ("PCI: endpoint: functions: Add an EP function to test PCI") Reported-by: kbuild test robot <[email protected]> Signed-off-by: Randy Dunlap <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Acked-by: Kishon Vijay Abraham I <[email protected]>
2017-04-11PCI: endpoint: functions: Add an EP function to test PCIKishon Vijay Abraham I1-0/+12
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 <[email protected]>] Signed-off-by: Kishon Vijay Abraham I <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]>
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