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SubjectRe: [PATCH v5 0/7] Add interrupt support to FPGA DFL drivers
Hi Xu,

On Tue, May 5, 2020 at 10:13 PM Xu Yilun <yilun.xu@intel.com> wrote:
>
> Hi Moritz:
>
> Hao and I did several rounds of review and fix in the mailing list. Now
> the patches are all acked by Hao.
>
> Could you please help review it when you have time?

I'll get to it this weekend. Sorry for the delay,

Moritz
>
> Thanks! :)
>
> On Mon, Apr 20, 2020 at 04:11:36PM +0800, Xu Yilun wrote:
> > This patchset add interrupt support to FPGA DFL drivers.
> >
> > With these patches, DFL driver will parse and assign interrupt resources
> > for enumerated feature devices and their sub features.
> >
> > This patchset also introduces a set of APIs for user to monitor DFL
> > interrupts. Three sub features (DFL FME error, DFL AFU error and user
> > interrupt) drivers now support these APIs.
> >
> > Patch #1: DFL framework change. Accept interrupt info input from DFL bus
> > driver, and add interrupt parsing and assignment for feature
> > sub devices.
> > Patch #2: DFL pci driver change, add interrupt info on DFL enumeration.
> > Patch #3: DFL framework change. Add helper functions for feature sub
> > device drivers to handle interrupt and notify users.
> > Patch #4: Add interrupt support for AFU error reporting sub feature.
> > Patch #5: Add interrupt support for FME global error reporting sub
> > feature.
> > Patch #6: Add interrupt support for a new sub feature, to handle user
> > interrupts implemented in AFU.
> > Patch #7: Documentation for DFL interrupt handling.
> >
> > Main changes from v1:
> > - Early validating irq table for each feature in parse_feature_irq()
> > in Patch #1.
> > - Changes IOCTL interfaces. use DFL_FPGA_FME/PORT_XXX_GET_IRQ_NUM
> > instead of DFL_FPGA_FME/PORT_XXX_GET_INFO, delete flag field for
> > DFL_FPGA_FME/PORT_XXX_SET_IRQ param
> >
> > Main changes from v2:
> > - put parse_feature_irqs() inside create_feature_instance().
> > - refines code for dfl_fpga_set_irq_triggers, delete local variable j.
> > - put_user() instead of copy_to_user() for DFL_FPGA_XXX_GET_IRQ_NUM IOCTL
> >
> > Main changes from v3:
> > - rebased to 5.7-rc1.
> > - fail the dfl enumeration when irq parsing error happens.
> > - Add 2 helper functions in dfl.c to handle generic irq ioctls in feature
> > drivers.
> >
> > Main changes from v4:
> > - Minor fixes for Hao's comments.
> >
> > Xu Yilun (7):
> > fpga: dfl: parse interrupt info for feature devices on enumeration
> > fpga: dfl: pci: add irq info for feature devices enumeration
> > fpga: dfl: introduce interrupt trigger setting API
> > fpga: dfl: afu: add interrupt support for port error reporting
> > fpga: dfl: fme: add interrupt support for global error reporting
> > fpga: dfl: afu: add AFU interrupt support
> > Documentation: fpga: dfl: add descriptions for interrupt related
> > interfaces.
> >
> > Documentation/fpga/dfl.rst | 19 +++
> > drivers/fpga/dfl-afu-error.c | 17 +++
> > drivers/fpga/dfl-afu-main.c | 32 +++++
> > drivers/fpga/dfl-fme-error.c | 18 +++
> > drivers/fpga/dfl-fme-main.c | 6 +
> > drivers/fpga/dfl-pci.c | 80 +++++++++--
> > drivers/fpga/dfl.c | 310 ++++++++++++++++++++++++++++++++++++++++++
> > drivers/fpga/dfl.h | 57 ++++++++
> > include/uapi/linux/fpga-dfl.h | 82 +++++++++++
> > 9 files changed, 612 insertions(+), 9 deletions(-)
> >
> > --
> > 2.7.4

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