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authorKang Luwei <luwei.kang@intel.com>2018-06-30 03:53:22 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-15 14:55:46 +0300
commit0a27ff24d59662b1ca8b3f7721a965918f115074 (patch)
tree0a0bbd2c4deec56400aabb84f146c738de175e85 /Documentation/ioctl
parent322ddebe54ae2b18c86a3bffb2b76bc5e67762ac (diff)
downloadlinux-0a27ff24d59662b1ca8b3f7721a965918f115074.tar.xz
fpga: dfl: fme: add header sub feature support
The Header Register set is always present for FPGA Management Engine (FME), this patch implements init and uinit function for header sub feature and introduces several read-only sysfs interfaces for the capability and status. Sysfs interfaces: * /sys/class/fpga_region/<regionX>/<dfl-fme.x>/ports_num Read-only. Number of ports implemented * /sys/class/fpga_region/<regionX>/<dfl-fme.x>/bitstream_id Read-only. Bitstream (static FPGA region) identifier number. It contains the detailed version and other information of this static FPGA region. * /sys/class/fpga_region/<regionX>/<dfl-fme.x>/bitstream_metadata Read-only. Bitstream (static FPGA region) meta data. It contains the synthesis date, seed and other information of this static FPGA region. 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: Kang Luwei <luwei.kang@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>
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