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fe6a3d6521
Error reporting interrupt is very useful to notify users that some errors are detected by the hardware. Once users are notified, they could query hardware logged error states, no need to continuously poll on these states. This patch adds interrupt support for port error reporting sub feature. It follows the common DFL interrupt notification and handling mechanism, implements two ioctl commands below for user to query number of irqs supported, and set/unset interrupt triggers. Ioctls: * DFL_FPGA_PORT_ERR_GET_IRQ_NUM get the number of irqs, which is used to determine whether/how many interrupts error reporting feature supports. * DFL_FPGA_PORT_ERR_SET_IRQ set/unset given eventfds as error interrupt triggers. Signed-off-by: Luwei Kang <luwei.kang@intel.com> Signed-off-by: Wu Hao <hao.wu@intel.com> Signed-off-by: Xu Yilun <yilun.xu@intel.com> Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Acked-by: Wu Hao <hao.wu@intel.com> Signed-off-by: Moritz Fischer <mdf@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.