[RFC 0/5] Proposal to use netlink for RAS and Telemetry across drm subsystem

Oded Gabbay ogabbay at kernel.org
Mon Jul 17 12:02:50 UTC 2023


On Wed, Jun 21, 2023 at 8:24 PM Sebastian Wick
<sebastian.wick at redhat.com> wrote:
>
> On Fri, May 26, 2023 at 6:21 PM Aravind Iddamsetty
> <aravind.iddamsetty at intel.com> wrote:
> >
> > Our hardware supports RAS(Reliability, Availability, Serviceability) by
> > exposing a set of error counters which can be used by observability
> > tools to take corrective actions or repairs. Traditionally there were
> > being exposed via PMU (for relative counters) and sysfs interface (for
> > absolute value) in our internal branch. But, due to the limitations in
> > this approach to use two interfaces and also not able to have an event
> > based reporting or configurability, an alternative approach to try
> > netlink was suggested by community for drm subsystem wide UAPI for RAS
> > and telemetry as discussed in [1].
> >
> > This [1] is the inspiration to this series. It uses the generic
> > netlink(genl) family subsystem and exposes a set of commands that can
> > be used by every drm driver, the framework provides a means to have
> > custom commands too. Each drm driver instance in this example xe driver
> > instance registers a family and operations to the genl subsystem through
> > which it enumerates and reports the error counters. An event based
> > notification is also supported to which userpace can subscribe to and
> > be notified when any error occurs and read the error counter this avoids
> > continuous polling on error counter. This can also be extended to
> > threshold based notification.
>
> Be aware that netlink can be quite awkward in user space because it's
> attached to the netns while the device is in the mount ns and there
> are special rules for netlink regarding namespacing.
I agree, we need to be sure this works in all common deployments,
mainly dockers and kubernetes, before deciding to go down this path.
Oded

>
> > [1]: https://airlied.blogspot.com/2022/09/accelerators-bof-outcomes-summary.html
> >
> > this series is on top of https://patchwork.freedesktop.org/series/116181/
> >
> > Below is an example tool drm_ras which demonstrates the use of the
> > supported commands. The tool will be sent to ML with the subject
> > "[RFC i-g-t 0/1] A tool to demonstrate use of netlink sockets to read RAS error counters"
> >
> > read single error counter:
> >
> > $ ./drm_ras READ_ONE --device=drm:/dev/dri/card1 --error_id=0x0000000000000005
> > counter value 0
> >
> > read all error counters:
> >
> > $ ./drm_ras READ_ALL --device=drm:/dev/dri/card1
> > name                                                    config-id               counter
> >
> > error-gt0-correctable-guc                               0x0000000000000001      0
> > error-gt0-correctable-slm                               0x0000000000000003      0
> > error-gt0-correctable-eu-ic                             0x0000000000000004      0
> > error-gt0-correctable-eu-grf                            0x0000000000000005      0
> > error-gt0-fatal-guc                                     0x0000000000000009      0
> > error-gt0-fatal-slm                                     0x000000000000000d      0
> > error-gt0-fatal-eu-grf                                  0x000000000000000f      0
> > error-gt0-fatal-fpu                                     0x0000000000000010      0
> > error-gt0-fatal-tlb                                     0x0000000000000011      0
> > error-gt0-fatal-l3-fabric                               0x0000000000000012      0
> > error-gt0-correctable-subslice                          0x0000000000000013      0
> > error-gt0-correctable-l3bank                            0x0000000000000014      0
> > error-gt0-fatal-subslice                                0x0000000000000015      0
> > error-gt0-fatal-l3bank                                  0x0000000000000016      0
> > error-gt0-sgunit-correctable                            0x0000000000000017      0
> > error-gt0-sgunit-nonfatal                               0x0000000000000018      0
> > error-gt0-sgunit-fatal                                  0x0000000000000019      0
> > error-gt0-soc-fatal-psf-csc-0                           0x000000000000001a      0
> > error-gt0-soc-fatal-psf-csc-1                           0x000000000000001b      0
> > error-gt0-soc-fatal-psf-csc-2                           0x000000000000001c      0
> > error-gt0-soc-fatal-punit                               0x000000000000001d      0
> > error-gt0-soc-fatal-psf-0                               0x000000000000001e      0
> > error-gt0-soc-fatal-psf-1                               0x000000000000001f      0
> > error-gt0-soc-fatal-psf-2                               0x0000000000000020      0
> > error-gt0-soc-fatal-cd0                                 0x0000000000000021      0
> > error-gt0-soc-fatal-cd0-mdfi                            0x0000000000000022      0
> > error-gt0-soc-fatal-mdfi-east                           0x0000000000000023      0
> > error-gt0-soc-fatal-mdfi-south                          0x0000000000000024      0
> > error-gt0-soc-fatal-hbm-ss0-0                           0x0000000000000025      0
> > error-gt0-soc-fatal-hbm-ss0-1                           0x0000000000000026      0
> > error-gt0-soc-fatal-hbm-ss0-2                           0x0000000000000027      0
> > error-gt0-soc-fatal-hbm-ss0-3                           0x0000000000000028      0
> > error-gt0-soc-fatal-hbm-ss0-4                           0x0000000000000029      0
> > error-gt0-soc-fatal-hbm-ss0-5                           0x000000000000002a      0
> > error-gt0-soc-fatal-hbm-ss0-6                           0x000000000000002b      0
> > error-gt0-soc-fatal-hbm-ss0-7                           0x000000000000002c      0
> > error-gt0-soc-fatal-hbm-ss1-0                           0x000000000000002d      0
> > error-gt0-soc-fatal-hbm-ss1-1                           0x000000000000002e      0
> > error-gt0-soc-fatal-hbm-ss1-2                           0x000000000000002f      0
> > error-gt0-soc-fatal-hbm-ss1-3                           0x0000000000000030      0
> > error-gt0-soc-fatal-hbm-ss1-4                           0x0000000000000031      0
> > error-gt0-soc-fatal-hbm-ss1-5                           0x0000000000000032      0
> > error-gt0-soc-fatal-hbm-ss1-6                           0x0000000000000033      0
> > error-gt0-soc-fatal-hbm-ss1-7                           0x0000000000000034      0
> > error-gt0-soc-fatal-hbm-ss2-0                           0x0000000000000035      0
> > error-gt0-soc-fatal-hbm-ss2-1                           0x0000000000000036      0
> > error-gt0-soc-fatal-hbm-ss2-2                           0x0000000000000037      0
> > error-gt0-soc-fatal-hbm-ss2-3                           0x0000000000000038      0
> > error-gt0-soc-fatal-hbm-ss2-4                           0x0000000000000039      0
> > error-gt0-soc-fatal-hbm-ss2-5                           0x000000000000003a      0
> > error-gt0-soc-fatal-hbm-ss2-6                           0x000000000000003b      0
> > error-gt0-soc-fatal-hbm-ss2-7                           0x000000000000003c      0
> > error-gt0-soc-fatal-hbm-ss3-0                           0x000000000000003d      0
> > error-gt0-soc-fatal-hbm-ss3-1                           0x000000000000003e      0
> > error-gt0-soc-fatal-hbm-ss3-2                           0x000000000000003f      0
> > error-gt0-soc-fatal-hbm-ss3-3                           0x0000000000000040      0
> > error-gt0-soc-fatal-hbm-ss3-4                           0x0000000000000041      0
> > error-gt0-soc-fatal-hbm-ss3-5                           0x0000000000000042      0
> > error-gt0-soc-fatal-hbm-ss3-6                           0x0000000000000043      0
> > error-gt0-soc-fatal-hbm-ss3-7                           0x0000000000000044      0
> > error-gt0-gsc-correctable-sram-ecc                      0x0000000000000045      0
> > error-gt0-gsc-nonfatal-mia-shutdown                     0x0000000000000046      0
> > error-gt0-gsc-nonfatal-mia-int                          0x0000000000000047      0
> > error-gt0-gsc-nonfatal-sram-ecc                         0x0000000000000048      0
> > error-gt0-gsc-nonfatal-wdg-timeout                      0x0000000000000049      0
> > error-gt0-gsc-nonfatal-rom-parity                       0x000000000000004a      0
> > error-gt0-gsc-nonfatal-ucode-parity                     0x000000000000004b      0
> > error-gt0-gsc-nonfatal-glitch-det                       0x000000000000004c      0
> > error-gt0-gsc-nonfatal-fuse-pull                        0x000000000000004d      0
> > error-gt0-gsc-nonfatal-fuse-crc-check                   0x000000000000004e      0
> > error-gt0-gsc-nonfatal-selfmbist                        0x000000000000004f      0
> > error-gt0-gsc-nonfatal-aon-parity                       0x0000000000000050      0
> > error-gt1-correctable-guc                               0x1000000000000001      0
> > error-gt1-correctable-slm                               0x1000000000000003      0
> > error-gt1-correctable-eu-ic                             0x1000000000000004      0
> > error-gt1-correctable-eu-grf                            0x1000000000000005      0
> > error-gt1-fatal-guc                                     0x1000000000000009      0
> > error-gt1-fatal-slm                                     0x100000000000000d      0
> > error-gt1-fatal-eu-grf                                  0x100000000000000f      0
> > error-gt1-fatal-fpu                                     0x1000000000000010      0
> > error-gt1-fatal-tlb                                     0x1000000000000011      0
> > error-gt1-fatal-l3-fabric                               0x1000000000000012      0
> > error-gt1-correctable-subslice                          0x1000000000000013      0
> > error-gt1-correctable-l3bank                            0x1000000000000014      0
> > error-gt1-fatal-subslice                                0x1000000000000015      0
> > error-gt1-fatal-l3bank                                  0x1000000000000016      0
> > error-gt1-sgunit-correctable                            0x1000000000000017      0
> > error-gt1-sgunit-nonfatal                               0x1000000000000018      0
> > error-gt1-sgunit-fatal                                  0x1000000000000019      0
> > error-gt1-soc-fatal-psf-csc-0                           0x100000000000001a      0
> > error-gt1-soc-fatal-psf-csc-1                           0x100000000000001b      0
> > error-gt1-soc-fatal-psf-csc-2                           0x100000000000001c      0
> > error-gt1-soc-fatal-punit                               0x100000000000001d      0
> > error-gt1-soc-fatal-psf-0                               0x100000000000001e      0
> > error-gt1-soc-fatal-psf-1                               0x100000000000001f      0
> > error-gt1-soc-fatal-psf-2                               0x1000000000000020      0
> > error-gt1-soc-fatal-cd0                                 0x1000000000000021      0
> > error-gt1-soc-fatal-cd0-mdfi                            0x1000000000000022      0
> > error-gt1-soc-fatal-mdfi-east                           0x1000000000000023      0
> > error-gt1-soc-fatal-mdfi-south                          0x1000000000000024      0
> > error-gt1-soc-fatal-hbm-ss0-0                           0x1000000000000025      0
> > error-gt1-soc-fatal-hbm-ss0-1                           0x1000000000000026      0
> > error-gt1-soc-fatal-hbm-ss0-2                           0x1000000000000027      0
> > error-gt1-soc-fatal-hbm-ss0-3                           0x1000000000000028      0
> > error-gt1-soc-fatal-hbm-ss0-4                           0x1000000000000029      0
> > error-gt1-soc-fatal-hbm-ss0-5                           0x100000000000002a      0
> > error-gt1-soc-fatal-hbm-ss0-6                           0x100000000000002b      0
> > error-gt1-soc-fatal-hbm-ss0-7                           0x100000000000002c      0
> > error-gt1-soc-fatal-hbm-ss1-0                           0x100000000000002d      0
> > error-gt1-soc-fatal-hbm-ss1-1                           0x100000000000002e      0
> > error-gt1-soc-fatal-hbm-ss1-2                           0x100000000000002f      0
> > error-gt1-soc-fatal-hbm-ss1-3                           0x1000000000000030      0
> > error-gt1-soc-fatal-hbm-ss1-4                           0x1000000000000031      0
> > error-gt1-soc-fatal-hbm-ss1-5                           0x1000000000000032      0
> > error-gt1-soc-fatal-hbm-ss1-6                           0x1000000000000033      0
> > error-gt1-soc-fatal-hbm-ss1-7                           0x1000000000000034      0
> > error-gt1-soc-fatal-hbm-ss2-0                           0x1000000000000035      0
> > error-gt1-soc-fatal-hbm-ss2-1                           0x1000000000000036      0
> > error-gt1-soc-fatal-hbm-ss2-2                           0x1000000000000037      0
> > error-gt1-soc-fatal-hbm-ss2-3                           0x1000000000000038      0
> > error-gt1-soc-fatal-hbm-ss2-4                           0x1000000000000039      0
> > error-gt1-soc-fatal-hbm-ss2-5                           0x100000000000003a      0
> > error-gt1-soc-fatal-hbm-ss2-6                           0x100000000000003b      0
> > error-gt1-soc-fatal-hbm-ss2-7                           0x100000000000003c      0
> > error-gt1-soc-fatal-hbm-ss3-0                           0x100000000000003d      0
> > error-gt1-soc-fatal-hbm-ss3-1                           0x100000000000003e      0
> > error-gt1-soc-fatal-hbm-ss3-2                           0x100000000000003f      0
> > error-gt1-soc-fatal-hbm-ss3-3                           0x1000000000000040      0
> > error-gt1-soc-fatal-hbm-ss3-4                           0x1000000000000041      0
> > error-gt1-soc-fatal-hbm-ss3-5                           0x1000000000000042      0
> > error-gt1-soc-fatal-hbm-ss3-6                           0x1000000000000043      0
> > error-gt1-soc-fatal-hbm-ss3-7                           0x1000000000000044      0
> >
> > wait on a error event:
> >
> > $ ./drm_ras WAIT_ON_EVENT --device=drm:/dev/dri/card1
> > waiting for error event
> > error event received
> > counter value 0
> >
> > list all errors:
> >
> > $ ./drm_ras LIST_ERRORS --device=drm:/dev/dri/card1
> > name                                                    config-id
> >
> > error-gt0-correctable-guc                               0x0000000000000001
> > error-gt0-correctable-slm                               0x0000000000000003
> > error-gt0-correctable-eu-ic                             0x0000000000000004
> > error-gt0-correctable-eu-grf                            0x0000000000000005
> > error-gt0-fatal-guc                                     0x0000000000000009
> > error-gt0-fatal-slm                                     0x000000000000000d
> > error-gt0-fatal-eu-grf                                  0x000000000000000f
> > error-gt0-fatal-fpu                                     0x0000000000000010
> > error-gt0-fatal-tlb                                     0x0000000000000011
> > error-gt0-fatal-l3-fabric                               0x0000000000000012
> > error-gt0-correctable-subslice                          0x0000000000000013
> > error-gt0-correctable-l3bank                            0x0000000000000014
> > error-gt0-fatal-subslice                                0x0000000000000015
> > error-gt0-fatal-l3bank                                  0x0000000000000016
> > error-gt0-sgunit-correctable                            0x0000000000000017
> > error-gt0-sgunit-nonfatal                               0x0000000000000018
> > error-gt0-sgunit-fatal                                  0x0000000000000019
> > error-gt0-soc-fatal-psf-csc-0                           0x000000000000001a
> > error-gt0-soc-fatal-psf-csc-1                           0x000000000000001b
> > error-gt0-soc-fatal-psf-csc-2                           0x000000000000001c
> > error-gt0-soc-fatal-punit                               0x000000000000001d
> > error-gt0-soc-fatal-psf-0                               0x000000000000001e
> > error-gt0-soc-fatal-psf-1                               0x000000000000001f
> > error-gt0-soc-fatal-psf-2                               0x0000000000000020
> > error-gt0-soc-fatal-cd0                                 0x0000000000000021
> > error-gt0-soc-fatal-cd0-mdfi                            0x0000000000000022
> > error-gt0-soc-fatal-mdfi-east                           0x0000000000000023
> > error-gt0-soc-fatal-mdfi-south                          0x0000000000000024
> > error-gt0-soc-fatal-hbm-ss0-0                           0x0000000000000025
> > error-gt0-soc-fatal-hbm-ss0-1                           0x0000000000000026
> > error-gt0-soc-fatal-hbm-ss0-2                           0x0000000000000027
> > error-gt0-soc-fatal-hbm-ss0-3                           0x0000000000000028
> > error-gt0-soc-fatal-hbm-ss0-4                           0x0000000000000029
> > error-gt0-soc-fatal-hbm-ss0-5                           0x000000000000002a
> > error-gt0-soc-fatal-hbm-ss0-6                           0x000000000000002b
> > error-gt0-soc-fatal-hbm-ss0-7                           0x000000000000002c
> > error-gt0-soc-fatal-hbm-ss1-0                           0x000000000000002d
> > error-gt0-soc-fatal-hbm-ss1-1                           0x000000000000002e
> > error-gt0-soc-fatal-hbm-ss1-2                           0x000000000000002f
> > error-gt0-soc-fatal-hbm-ss1-3                           0x0000000000000030
> > error-gt0-soc-fatal-hbm-ss1-4                           0x0000000000000031
> > error-gt0-soc-fatal-hbm-ss1-5                           0x0000000000000032
> > error-gt0-soc-fatal-hbm-ss1-6                           0x0000000000000033
> > error-gt0-soc-fatal-hbm-ss1-7                           0x0000000000000034
> > error-gt0-soc-fatal-hbm-ss2-0                           0x0000000000000035
> > error-gt0-soc-fatal-hbm-ss2-1                           0x0000000000000036
> > error-gt0-soc-fatal-hbm-ss2-2                           0x0000000000000037
> > error-gt0-soc-fatal-hbm-ss2-3                           0x0000000000000038
> > error-gt0-soc-fatal-hbm-ss2-4                           0x0000000000000039
> > error-gt0-soc-fatal-hbm-ss2-5                           0x000000000000003a
> > error-gt0-soc-fatal-hbm-ss2-6                           0x000000000000003b
> > error-gt0-soc-fatal-hbm-ss2-7                           0x000000000000003c
> > error-gt0-soc-fatal-hbm-ss3-0                           0x000000000000003d
> > error-gt0-soc-fatal-hbm-ss3-1                           0x000000000000003e
> > error-gt0-soc-fatal-hbm-ss3-2                           0x000000000000003f
> > error-gt0-soc-fatal-hbm-ss3-3                           0x0000000000000040
> > error-gt0-soc-fatal-hbm-ss3-4                           0x0000000000000041
> > error-gt0-soc-fatal-hbm-ss3-5                           0x0000000000000042
> > error-gt0-soc-fatal-hbm-ss3-6                           0x0000000000000043
> > error-gt0-soc-fatal-hbm-ss3-7                           0x0000000000000044
> > error-gt0-gsc-correctable-sram-ecc                      0x0000000000000045
> > error-gt0-gsc-nonfatal-mia-shutdown                     0x0000000000000046
> > error-gt0-gsc-nonfatal-mia-int                          0x0000000000000047
> > error-gt0-gsc-nonfatal-sram-ecc                         0x0000000000000048
> > error-gt0-gsc-nonfatal-wdg-timeout                      0x0000000000000049
> > error-gt0-gsc-nonfatal-rom-parity                       0x000000000000004a
> > error-gt0-gsc-nonfatal-ucode-parity                     0x000000000000004b
> > error-gt0-gsc-nonfatal-glitch-det                       0x000000000000004c
> > error-gt0-gsc-nonfatal-fuse-pull                        0x000000000000004d
> > error-gt0-gsc-nonfatal-fuse-crc-check                   0x000000000000004e
> > error-gt0-gsc-nonfatal-selfmbist                        0x000000000000004f
> > error-gt0-gsc-nonfatal-aon-parity                       0x0000000000000050
> > error-gt1-correctable-guc                               0x1000000000000001
> > error-gt1-correctable-slm                               0x1000000000000003
> > error-gt1-correctable-eu-ic                             0x1000000000000004
> > error-gt1-correctable-eu-grf                            0x1000000000000005
> > error-gt1-fatal-guc                                     0x1000000000000009
> > error-gt1-fatal-slm                                     0x100000000000000d
> > error-gt1-fatal-eu-grf                                  0x100000000000000f
> > error-gt1-fatal-fpu                                     0x1000000000000010
> > error-gt1-fatal-tlb                                     0x1000000000000011
> > error-gt1-fatal-l3-fabric                               0x1000000000000012
> > error-gt1-correctable-subslice                          0x1000000000000013
> > error-gt1-correctable-l3bank                            0x1000000000000014
> > error-gt1-fatal-subslice                                0x1000000000000015
> > error-gt1-fatal-l3bank                                  0x1000000000000016
> > error-gt1-sgunit-correctable                            0x1000000000000017
> > error-gt1-sgunit-nonfatal                               0x1000000000000018
> > error-gt1-sgunit-fatal                                  0x1000000000000019
> > error-gt1-soc-fatal-psf-csc-0                           0x100000000000001a
> > error-gt1-soc-fatal-psf-csc-1                           0x100000000000001b
> > error-gt1-soc-fatal-psf-csc-2                           0x100000000000001c
> > error-gt1-soc-fatal-punit                               0x100000000000001d
> > error-gt1-soc-fatal-psf-0                               0x100000000000001e
> > error-gt1-soc-fatal-psf-1                               0x100000000000001f
> > error-gt1-soc-fatal-psf-2                               0x1000000000000020
> > error-gt1-soc-fatal-cd0                                 0x1000000000000021
> > error-gt1-soc-fatal-cd0-mdfi                            0x1000000000000022
> > error-gt1-soc-fatal-mdfi-east                           0x1000000000000023
> > error-gt1-soc-fatal-mdfi-south                          0x1000000000000024
> > error-gt1-soc-fatal-hbm-ss0-0                           0x1000000000000025
> > error-gt1-soc-fatal-hbm-ss0-1                           0x1000000000000026
> > error-gt1-soc-fatal-hbm-ss0-2                           0x1000000000000027
> > error-gt1-soc-fatal-hbm-ss0-3                           0x1000000000000028
> > error-gt1-soc-fatal-hbm-ss0-4                           0x1000000000000029
> > error-gt1-soc-fatal-hbm-ss0-5                           0x100000000000002a
> > error-gt1-soc-fatal-hbm-ss0-6                           0x100000000000002b
> > error-gt1-soc-fatal-hbm-ss0-7                           0x100000000000002c
> > error-gt1-soc-fatal-hbm-ss1-0                           0x100000000000002d
> > error-gt1-soc-fatal-hbm-ss1-1                           0x100000000000002e
> > error-gt1-soc-fatal-hbm-ss1-2                           0x100000000000002f
> > error-gt1-soc-fatal-hbm-ss1-3                           0x1000000000000030
> > error-gt1-soc-fatal-hbm-ss1-4                           0x1000000000000031
> > error-gt1-soc-fatal-hbm-ss1-5                           0x1000000000000032
> > error-gt1-soc-fatal-hbm-ss1-6                           0x1000000000000033
> > error-gt1-soc-fatal-hbm-ss1-7                           0x1000000000000034
> > error-gt1-soc-fatal-hbm-ss2-0                           0x1000000000000035
> > error-gt1-soc-fatal-hbm-ss2-1                           0x1000000000000036
> > error-gt1-soc-fatal-hbm-ss2-2                           0x1000000000000037
> > error-gt1-soc-fatal-hbm-ss2-3                           0x1000000000000038
> > error-gt1-soc-fatal-hbm-ss2-4                           0x1000000000000039
> > error-gt1-soc-fatal-hbm-ss2-5                           0x100000000000003a
> > error-gt1-soc-fatal-hbm-ss2-6                           0x100000000000003b
> > error-gt1-soc-fatal-hbm-ss2-7                           0x100000000000003c
> > error-gt1-soc-fatal-hbm-ss3-0                           0x100000000000003d
> > error-gt1-soc-fatal-hbm-ss3-1                           0x100000000000003e
> > error-gt1-soc-fatal-hbm-ss3-2                           0x100000000000003f
> > error-gt1-soc-fatal-hbm-ss3-3                           0x1000000000000040
> > error-gt1-soc-fatal-hbm-ss3-4                           0x1000000000000041
> > error-gt1-soc-fatal-hbm-ss3-5                           0x1000000000000042
> > error-gt1-soc-fatal-hbm-ss3-6                           0x1000000000000043
> > error-gt1-soc-fatal-hbm-ss3-7                           0x1000000000000044
> >
> > Cc: Alex Deucher <alexander.deucher at amd.com>
> > Cc: David Airlie <airlied at gmail.com>
> > Cc: Daniel Vetter <daniel at ffwll.ch>
> > Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> > Cc: Oded Gabbay <ogabbay at kernel.org>
> >
> >
> > Aravind Iddamsetty (5):
> >   drm/netlink: Add netlink infrastructure
> >   drm/xe/RAS: Register a genl netlink family
> >   drm/xe/RAS: Expose the error counters
> >   drm/netlink: define multicast groups
> >   drm/xe/RAS: send multicast event on occurrence of an error
> >
> >  drivers/gpu/drm/xe/Makefile          |   1 +
> >  drivers/gpu/drm/xe/xe_device.c       |   3 +
> >  drivers/gpu/drm/xe/xe_device_types.h |   2 +
> >  drivers/gpu/drm/xe/xe_irq.c          |  32 ++
> >  drivers/gpu/drm/xe/xe_module.c       |   2 +
> >  drivers/gpu/drm/xe/xe_netlink.c      | 526 +++++++++++++++++++++++++++
> >  drivers/gpu/drm/xe/xe_netlink.h      |  14 +
> >  include/uapi/drm/drm_netlink.h       |  81 +++++
> >  include/uapi/drm/xe_drm.h            |  64 ++++
> >  9 files changed, 725 insertions(+)
> >  create mode 100644 drivers/gpu/drm/xe/xe_netlink.c
> >  create mode 100644 drivers/gpu/drm/xe/xe_netlink.h
> >  create mode 100644 include/uapi/drm/drm_netlink.h
> >
> > --
> > 2.25.1
> >
>


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