linux-kernel - Re: [PATCH v6 0/7] Add interrupt support to FPGA DFL drivers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20200604090150.GA15317@yilunxu-OptiPlex-7050>
Date:   Thu, 4 Jun 2020 17:01:50 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     mfd@...nel.org, linux-fpga@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     trix@...hat.com, bhu@...hat.com, mtosatti@...hat.com,
        gregkh@...uxfoundation.org
Subject: Re: [PATCH v6 0/7] Add interrupt support to FPGA DFL drivers

I misspelled Moritz's mail address. I'll resent the patchset. Please
ignore this set.

Sorry for inconvenience.

On Thu, Jun 04, 2020 at 04:46:21PM +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.
> 
> Main changes from v5:
>  - Remove unnecessary type casting in Patch #1 & #3.
>  - Minor fixes for Moritz'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        |  81 +++++++++--
>  drivers/fpga/dfl.c            | 308 ++++++++++++++++++++++++++++++++++++++++++
>  drivers/fpga/dfl.h            |  57 ++++++++
>  include/uapi/linux/fpga-dfl.h |  82 +++++++++++
>  9 files changed, 611 insertions(+), 9 deletions(-)
> 
> -- 
> 2.7.4