Wu Hao 543be3d8c9 fpga: add device feature list support ... 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. This patch introduces a kernel module to provide basic infrastructure to support FPGA devices which implement the Device Feature List. Usually there will be different features and their sub features linked into the DFL. This code provides common APIs for feature enumeration, it creates a container device (FPGA base region), walks through the DFLs and creates platform devices for feature devices (Currently it only supports two different feature devices, FPGA Management Engine (FME) and Port which the Accelerator Function Unit (AFU) connected to). In order to enumerate the DFLs, the common APIs required low level driver to provide necessary enumeration information (e.g. address for each device feature list for given device) and fill it to the dfl_fpga_enum_info data structure. Please refer to below description for APIs added for enumeration. Functions for enumeration information preparation: *dfl_fpga_enum_info_alloc allocate enumeration information data structure. *dfl_fpga_enum_info_add_dfl add a device feature list to dfl_fpga_enum_info data structure. *dfl_fpga_enum_info_free free dfl_fpga_enum_info data structure and related resources. Functions for feature device enumeration: *dfl_fpga_feature_devs_enumerate enumerate feature devices and return container device. *dfl_fpga_feature_devs_remove remove feature devices under given container device. Signed-off-by: Tim Whisonant <tim.whisonant@intel.com> Signed-off-by: Enno Luebbers <enno.luebbers@intel.com> Signed-off-by: Shiva Rao <shiva.rao@intel.com> Signed-off-by: Christopher Rauer <christopher.rauer@intel.com> Signed-off-by: Zhang Yi <yi.z.zhang@intel.com> Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Wu Hao <hao.wu@intel.com> Acked-by: Alan Tull <atull@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2018-07-15 13:55:45 +02:00
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altera-cvp.c	fpga: manager: change api, don't use drvdata	2018-05-25 18:23:55 +02:00
altera-fpga2sdram.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
altera-freeze-bridge.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
altera-hps2fpga.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
altera-pr-ip-core-plat.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
altera-pr-ip-core.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
altera-ps-spi.c	fpga: manager: change api, don't use drvdata	2018-05-25 18:23:55 +02:00
dfl.c	fpga: add device feature list support	2018-07-15 13:55:45 +02:00
dfl.h	fpga: add device feature list support	2018-07-15 13:55:45 +02:00
fpga-bridge.c	fpga: clarify that unregister functions also free	2018-05-25 18:23:56 +02:00
fpga-mgr.c	fpga: mgr: add status for fpga-manager	2018-07-15 13:55:44 +02:00
fpga-region.c	fpga: region: add compat_id support	2018-07-15 13:55:44 +02:00
ice40-spi.c	fpga: manager: change api, don't use drvdata	2018-05-25 18:23:55 +02:00
Kconfig	fpga: add device feature list support	2018-07-15 13:55:45 +02:00
machxo2-spi.c	fpga: manager: change api, don't use drvdata	2018-05-25 18:23:55 +02:00
Makefile	fpga: add device feature list support	2018-07-15 13:55:45 +02:00
of-fpga-region.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
socfpga-a10.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
socfpga.c	fpga: use SPDX	2018-05-25 18:23:56 +02:00
ts73xx-fpga.c	fpga: manager: change api, don't use drvdata	2018-05-25 18:23:55 +02:00
xilinx-pr-decoupler.c	fpga: bridge: change api, don't use drvdata	2018-05-25 18:23:55 +02:00
xilinx-spi.c	fpga: manager: change api, don't use drvdata	2018-05-25 18:23:55 +02:00
zynq-fpga.c	fpga: manager: change api, don't use drvdata	2018-05-25 18:23:55 +02:00