[v4,1/4] fpga: dfl: reorganize to subdir layout

Message ID	20210614201648.3358206-3-trix@redhat.com (mailing list archive)
State	New
Headers	show Return-Path: <linux-fpga-owner@kernel.org> From: trix@redhat.com To: hao.wu@intel.com, mdf@kernel.org, corbet@lwn.net, michal.simek@xilinx.com, gregkh@linuxfoundation.org, krzysztof.kozlowski@canonical.com, nava.manne@xilinx.com, yilun.xu@intel.com, davidgow@google.com, fpacheco@redhat.com, richard.gong@intel.com, luca@lucaceresoli.net Cc: linux-fpga@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Tom Rix <trix@redhat.com> Subject: [PATCH v4 1/4] fpga: dfl: reorganize to subdir layout Date: Mon, 14 Jun 2021 13:16:45 -0700 Message-Id: <20210614201648.3358206-3-trix@redhat.com> In-Reply-To: <20210614201648.3358206-1-trix@redhat.com> References: <20210614201648.3358206-1-trix@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	fpga: reorganize to subdirs \| expand [v4,0/4] fpga: reorganize to subdirs [v4,1/4] fpga: dfl: reorganize to subdir layout [v4,2/4] fpga: xilinx: reorganize to subdir layout [v4,3/4] fpga: altera: reorganize to subdir layout [v4,4/4] fpga: lattice: reorganize to subdir layout

diff --git a/Documentation/fpga/dfl.rst b/Documentation/fpga/dfl.rst index ef9eec71f6f3a..532fdc2e7d623 100644 --- a/Documentation/fpga/dfl.rst +++ b/Documentation/fpga/dfl.rst @@ -210,7 +210,7 @@ device and etc. Its driver module is always loaded first once the device is created by the system. This driver plays an infrastructural role in the driver architecture. It locates the DFLs in the device memory, handles them and related resources to common interfaces from DFL framework for enumeration. -(Please refer to drivers/fpga/dfl.c for detailed enumeration APIs). +(Please refer to drivers/fpga/dfl/dfl.c for detailed enumeration APIs). The FPGA Management Engine (FME) driver is a platform driver which is loaded automatically after FME platform device creation from the DFL device module. It @@ -499,7 +499,7 @@ In some cases, we may need to add some new private features to existing FIUs framework, as each private feature will be parsed automatically and related mmio resources can be found under FIU platform device created by DFL framework. Developer only needs to provide a sub feature driver with matched feature id. -FME Partial Reconfiguration Sub Feature driver (see drivers/fpga/dfl-fme-pr.c) +FME Partial Reconfiguration Sub Feature driver (see drivers/fpga/dfl/dfl-fme-pr.c) could be a reference. Location of DFLs on a PCI Device diff --git a/MAINTAINERS b/MAINTAINERS index c6cdd550cd3ad..50b0e470f5f09 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7229,7 +7229,7 @@ L: linux-fpga@vger.kernel.org S: Maintained F: Documentation/ABI/testing/sysfs-bus-dfl* F: Documentation/fpga/dfl.rst -F: drivers/fpga/dfl* +F: drivers/fpga/dfl/ F: drivers/uio/uio_dfl.c F: include/linux/dfl.h F: include/uapi/linux/fpga-dfl.h diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig index 8cd454ee20c0c..7a290b2234576 100644 --- a/drivers/fpga/Kconfig +++ b/drivers/fpga/Kconfig @@ -145,85 +145,7 @@ config OF_FPGA_REGION Support for loading FPGA images by applying a Device Tree overlay. -config FPGA_DFL - tristate "FPGA Device Feature List (DFL) support" - select FPGA_BRIDGE - select FPGA_REGION - depends on HAS_IOMEM - help - Device Feature List (DFL) defines a feature list structure that - creates a linked list of feature headers within the MMIO space - to provide an extensible way of adding features for FPGA. - Driver can walk through the feature headers to enumerate feature - devices (e.g. FPGA Management Engine, Port and Accelerator - Function Unit) and their private features for target FPGA devices. - - Select this option to enable common support for Field-Programmable - Gate Array (FPGA) solutions which implement Device Feature List. - It provides enumeration APIs and feature device infrastructure. - -config FPGA_DFL_FME - tristate "FPGA DFL FME Driver" - depends on FPGA_DFL && HWMON && PERF_EVENTS - help - The FPGA Management Engine (FME) is a feature device implemented - under Device Feature List (DFL) framework. Select this option to - enable the platform device driver for FME which implements all - FPGA platform level management features. There shall be one FME - per DFL based FPGA device. - -config FPGA_DFL_FME_MGR - tristate "FPGA DFL FME Manager Driver" - depends on FPGA_DFL_FME && HAS_IOMEM - help - Say Y to enable FPGA Manager driver for FPGA Management Engine. - -config FPGA_DFL_FME_BRIDGE - tristate "FPGA DFL FME Bridge Driver" - depends on FPGA_DFL_FME && HAS_IOMEM - help - Say Y to enable FPGA Bridge driver for FPGA Management Engine. - -config FPGA_DFL_FME_REGION - tristate "FPGA DFL FME Region Driver" - depends on FPGA_DFL_FME && HAS_IOMEM - help - Say Y to enable FPGA Region driver for FPGA Management Engine. - -config FPGA_DFL_AFU - tristate "FPGA DFL AFU Driver" - depends on FPGA_DFL - help - This is the driver for FPGA Accelerated Function Unit (AFU) which - implements AFU and Port management features. A User AFU connects - to the FPGA infrastructure via a Port. There may be more than one - Port/AFU per DFL based FPGA device. - -config FPGA_DFL_NIOS_INTEL_PAC_N3000 - tristate "FPGA DFL NIOS Driver for Intel PAC N3000" - depends on FPGA_DFL - select REGMAP - help - This is the driver for the N3000 Nios private feature on Intel - PAC (Programmable Acceleration Card) N3000. It communicates - with the embedded Nios processor to configure the retimers on - the card. It also instantiates the SPI master (spi-altera) for - the card's BMC (Board Management Controller). - -config FPGA_DFL_PCI - tristate "FPGA DFL PCIe Device Driver" - depends on PCI && FPGA_DFL - help - Select this option to enable PCIe driver for PCIe-based - Field-Programmable Gate Array (FPGA) solutions which implement - the Device Feature List (DFL). This driver provides interfaces - for userspace applications to configure, enumerate, open and access - FPGA accelerators on the FPGA DFL devices, enables system level - management functions such as FPGA partial reconfiguration, power - management and virtualization with DFL framework and DFL feature - device drivers. - - To compile this as a module, choose M here. +source "drivers/fpga/dfl/Kconfig" config FPGA_MGR_ZYNQMP_FPGA tristate "Xilinx ZynqMP FPGA" diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile index 18dc9885883a2..bda74e54ce390 100644 --- a/drivers/fpga/Makefile +++ b/drivers/fpga/Makefile @@ -31,20 +31,4 @@ obj-$(CONFIG_XILINX_PR_DECOUPLER) += xilinx-pr-decoupler.o obj-$(CONFIG_FPGA_REGION) += fpga-region.o obj-$(CONFIG_OF_FPGA_REGION) += of-fpga-region.o -# FPGA Device Feature List Support -obj-$(CONFIG_FPGA_DFL) += dfl.o -obj-$(CONFIG_FPGA_DFL_FME) += dfl-fme.o -obj-$(CONFIG_FPGA_DFL_FME_MGR) += dfl-fme-mgr.o -obj-$(CONFIG_FPGA_DFL_FME_BRIDGE) += dfl-fme-br.o -obj-$(CONFIG_FPGA_DFL_FME_REGION) += dfl-fme-region.o -obj-$(CONFIG_FPGA_DFL_AFU) += dfl-afu.o - -dfl-fme-objs := dfl-fme-main.o dfl-fme-pr.o dfl-fme-error.o -dfl-fme-objs += dfl-fme-perf.o -dfl-afu-objs := dfl-afu-main.o dfl-afu-region.o dfl-afu-dma-region.o -dfl-afu-objs += dfl-afu-error.o - -obj-$(CONFIG_FPGA_DFL_NIOS_INTEL_PAC_N3000) += dfl-n3000-nios.o - -# Drivers for FPGAs which implement DFL -obj-$(CONFIG_FPGA_DFL_PCI) += dfl-pci.o +obj-$(CONFIG_FPGA_DFL) += dfl/ diff --git a/drivers/fpga/dfl/Kconfig b/drivers/fpga/dfl/Kconfig new file mode 100644 index 0000000000000..f765b0ec63d5c --- /dev/null +++ b/drivers/fpga/dfl/Kconfig @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config FPGA_DFL + tristate "FPGA Device Feature List (DFL) support" + select FPGA_BRIDGE + select FPGA_REGION + depends on HAS_IOMEM + help + Device Feature List (DFL) defines a feature list structure that + creates a linked list of feature headers within the MMIO space + to provide an extensible way of adding features for FPGA. + Driver can walk through the feature headers to enumerate feature + devices (e.g. FPGA Management Engine, Port and Accelerator + Function Unit) and their private features for target FPGA devices. + + Select this option to enable common support for Field-Programmable + Gate Array (FPGA) solutions which implement Device Feature List. + It provides enumeration APIs and feature device infrastructure. + +if FPGA_DFL + +config FPGA_DFL_FME + tristate "FPGA DFL FME Driver" + depends on HWMON && PERF_EVENTS + help + The FPGA Management Engine (FME) is a feature device implemented + under Device Feature List (DFL) framework. Select this option to + enable the platform device driver for FME which implements all + FPGA platform level management features. There shall be one FME + per DFL based FPGA device. + +config FPGA_DFL_FME_MGR + tristate "FPGA DFL FME Manager Driver" + depends on FPGA_DFL_FME + help + Say Y to enable FPGA Manager driver for FPGA Management Engine. + +config FPGA_DFL_FME_BRIDGE + tristate "FPGA DFL FME Bridge Driver" + depends on FPGA_DFL_FME + help + Say Y to enable FPGA Bridge driver for FPGA Management Engine. + +config FPGA_DFL_FME_REGION + tristate "FPGA DFL FME Region Driver" + depends on FPGA_DFL_FME + help + Say Y to enable FPGA Region driver for FPGA Management Engine. + +config FPGA_DFL_AFU + tristate "FPGA DFL AFU Driver" + help + This is the driver for FPGA Accelerated Function Unit (AFU) which + implements AFU and Port management features. A User AFU connects + to the FPGA infrastructure via a Port. There may be more than one + Port/AFU per DFL based FPGA device. + +config FPGA_DFL_NIOS_INTEL_PAC_N3000 + tristate "FPGA DFL NIOS Driver for Intel PAC N3000" + select REGMAP + help + This is the driver for the N3000 Nios private feature on Intel + PAC (Programmable Acceleration Card) N3000. It communicates + with the embedded Nios processor to configure the retimers on + the card. It also instantiates the SPI master (spi-altera) for + the card's BMC (Board Management Controller). + +config FPGA_DFL_PCI + tristate "FPGA DFL PCIe Device Driver" + depends on PCI + help + Select this option to enable PCIe driver for PCIe-based + Field-Programmable Gate Array (FPGA) solutions which implement + the Device Feature List (DFL). This driver provides interfaces + for userspace applications to configure, enumerate, open and access + FPGA accelerators on the FPGA DFL devices, enables system level + management functions such as FPGA partial reconfiguration, power + management and virtualization with DFL framework and DFL feature + device drivers. + + To compile this as a module, choose M here. + +endif #FPGA_DFL diff --git a/drivers/fpga/dfl/Makefile b/drivers/fpga/dfl/Makefile new file mode 100644 index 0000000000000..1c22507c60aa0 --- /dev/null +++ b/drivers/fpga/dfl/Makefile @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# FPGA Device Feature List (DFL) Support +obj-$(CONFIG_FPGA_DFL) += dfl.o +obj-$(CONFIG_FPGA_DFL_AFU) += dfl-afu.o +obj-$(CONFIG_FPGA_DFL_FME) += dfl-fme.o +obj-$(CONFIG_FPGA_DFL_FME_BRIDGE) += dfl-fme-br.o +obj-$(CONFIG_FPGA_DFL_FME_MGR) += dfl-fme-mgr.o +obj-$(CONFIG_FPGA_DFL_FME_REGION) += dfl-fme-region.o +obj-$(CONFIG_FPGA_DFL_NIOS_INTEL_PAC_N3000) += dfl-n3000-nios.o +obj-$(CONFIG_FPGA_DFL_PCI) += dfl-pci.o + +dfl-fme-objs := dfl-fme-main.o dfl-fme-pr.o dfl-fme-error.o \ + dfl-fme-perf.o +dfl-afu-objs := dfl-afu-main.o dfl-afu-region.o dfl-afu-dma-region.o \ + dfl-afu-error.o diff --git a/drivers/fpga/dfl-afu-dma-region.c b/drivers/fpga/dfl/dfl-afu-dma-region.c similarity index 100% rename from drivers/fpga/dfl-afu-dma-region.c rename to drivers/fpga/dfl/dfl-afu-dma-region.c diff --git a/drivers/fpga/dfl-afu-error.c b/drivers/fpga/dfl/dfl-afu-error.c similarity index 100% rename from drivers/fpga/dfl-afu-error.c rename to drivers/fpga/dfl/dfl-afu-error.c diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl/dfl-afu-main.c similarity index 100% rename from drivers/fpga/dfl-afu-main.c rename to drivers/fpga/dfl/dfl-afu-main.c diff --git a/drivers/fpga/dfl-afu-region.c b/drivers/fpga/dfl/dfl-afu-region.c similarity index 100% rename from drivers/fpga/dfl-afu-region.c rename to drivers/fpga/dfl/dfl-afu-region.c diff --git a/drivers/fpga/dfl-afu.h b/drivers/fpga/dfl/dfl-afu.h similarity index 100% rename from drivers/fpga/dfl-afu.h rename to drivers/fpga/dfl/dfl-afu.h diff --git a/drivers/fpga/dfl-fme-br.c b/drivers/fpga/dfl/dfl-fme-br.c similarity index 100% rename from drivers/fpga/dfl-fme-br.c rename to drivers/fpga/dfl/dfl-fme-br.c diff --git a/drivers/fpga/dfl-fme-error.c b/drivers/fpga/dfl/dfl-fme-error.c similarity index 100% rename from drivers/fpga/dfl-fme-error.c rename to drivers/fpga/dfl/dfl-fme-error.c diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl/dfl-fme-main.c similarity index 100% rename from drivers/fpga/dfl-fme-main.c rename to drivers/fpga/dfl/dfl-fme-main.c diff --git a/drivers/fpga/dfl-fme-mgr.c b/drivers/fpga/dfl/dfl-fme-mgr.c similarity index 100% rename from drivers/fpga/dfl-fme-mgr.c rename to drivers/fpga/dfl/dfl-fme-mgr.c diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl/dfl-fme-perf.c similarity index 100% rename from drivers/fpga/dfl-fme-perf.c rename to drivers/fpga/dfl/dfl-fme-perf.c diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl/dfl-fme-pr.c similarity index 100% rename from drivers/fpga/dfl-fme-pr.c rename to drivers/fpga/dfl/dfl-fme-pr.c diff --git a/drivers/fpga/dfl-fme-pr.h b/drivers/fpga/dfl/dfl-fme-pr.h similarity index 100% rename from drivers/fpga/dfl-fme-pr.h rename to drivers/fpga/dfl/dfl-fme-pr.h diff --git a/drivers/fpga/dfl-fme-region.c b/drivers/fpga/dfl/dfl-fme-region.c similarity index 100% rename from drivers/fpga/dfl-fme-region.c rename to drivers/fpga/dfl/dfl-fme-region.c diff --git a/drivers/fpga/dfl-fme.h b/drivers/fpga/dfl/dfl-fme.h similarity index 100% rename from drivers/fpga/dfl-fme.h rename to drivers/fpga/dfl/dfl-fme.h diff --git a/drivers/fpga/dfl-n3000-nios.c b/drivers/fpga/dfl/dfl-n3000-nios.c similarity index 100% rename from drivers/fpga/dfl-n3000-nios.c rename to drivers/fpga/dfl/dfl-n3000-nios.c diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl/dfl-pci.c similarity index 100% rename from drivers/fpga/dfl-pci.c rename to drivers/fpga/dfl/dfl-pci.c diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl/dfl.c similarity index 100% rename from drivers/fpga/dfl.c rename to drivers/fpga/dfl/dfl.c diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl/dfl.h similarity index 100% rename from drivers/fpga/dfl.h rename to drivers/fpga/dfl/dfl.h

[v4,1/4] fpga: dfl: reorganize to subdir layout

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