On Thu, Mar 30, 2017 at 7:08 AM, Wu Hao <hao...@intel.com> wrote: > From: Kang Luwei <luwei.k...@intel.com> > > Partial Reconfiguration (PR) is the most important function for FME. It > allows reconfiguration for given Port/Accelerated Function Unit (AFU). > > This patch adds support for PR sub feature. In this patch, it registers > a fpga_mgr and implements fpga_manager_ops, and invoke fpga_mgr_buf_load > for PR operation once PR request received via ioctl. Below user space > interfaces are exposed by this sub feature. > > Sysfs interface: > * /sys/class/fpga/<fpga.x>/<intel-fpga-fme.x>/interface_id > Read-only. Indicate the hardware interface information. Userspace > applications need to check this interface to select correct green > bitstream format before PR. > > Ioctl interface: > * FPGA_FME_PORT_PR > Do partial reconfiguration per information from userspace, including > target port(AFU), buffer size and address info. It returns the PR status > (PR error code if failed) to userspace. > > Signed-off-by: Tim Whisonant <tim.whison...@intel.com> > Signed-off-by: Enno Luebbers <enno.luebb...@intel.com> > Signed-off-by: Shiva Rao <shiva....@intel.com> > Signed-off-by: Christopher Rauer <christopher.ra...@intel.com> > Signed-off-by: Alan Tull <alan.t...@intel.com>
Hi Wu Hao, Thanks for submitting your patches. I think there's been a misunderstanding of the meaning of 'Signed-off-by' [1]. I have not signed off on this code or had a hand in its development. But I'm happy to get to review it now. It will take a bit of time; I expect to be replying next week. Alan Tull [1] linux/Documentation/process/5.Posting.rst > Signed-off-by: Kang Luwei <luwei.k...@intel.com> > Signed-off-by: Xiao Guangrong <guangrong.x...@linux.intel.com> > Signed-off-by: Wu Hao <hao...@intel.com>
