[RFC v4 0/5] Proposal to use netlink for RAS and Telemetry across drm subsystem
Tomer Tayar
ttayar at habana.ai
Fri Nov 10 12:23:53 UTC 2023
On 20/10/2023 18:58, Aravind Iddamsetty wrote:
> Our hardware supports RAS(Reliability, Availability, Serviceability) by
> reporting the errors to the host, which the KMD processes and exposes 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.
Hi Aravind,
I can see that the "nomenclature" in the patch series is mainly around
errors.
When we refer to RAS can't be other non-error values which might be
relevant, e.g. statistics, status/state, etc.?
Thanks,
Tomer
> [1]: https://airlied.blogspot.com/2022/09/accelerators-bof-outcomes-summary.html
>
> this series is on top of https://patchwork.freedesktop.org/series/125373/,
>
> v4:
> 1. Rebase
> 2. rename drm_genl_send to drm_genl_reply
> 3. catch error from xa_store and handle appropriately
> 4. presently xe_list_errors fills blank data for IGFX, prevent it by
> having an early check of IS_DGFX (Michael J. Ruhl)
>
> v3:
> 1. Rebase on latest RAS series for XE
> 2. drop DRIVER_NETLINK flag and use the driver_genl_ops structure to
> register to netlink subsystem
>
> v2: define common interfaces to genl netlink subsystem that all drm drivers
> can leverage.
>
> 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 v2 0/1] A tool to demonstrate use of netlink sockets to read RAS error counters"
> https://patchwork.freedesktop.org/series/118437/#rev2
>
> 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>
> Cc: Tomer Tayar <ttayar at habana.ai>
> Cc: Hawking Zhang <Hawking.Zhang at amd.com>
> Cc: Harish Kasiviswanathan <Harish.Kasiviswanathan at amd.com>
> Cc: Kuehling Felix <Felix.Kuehling at amd.com>
> Cc: Tuikov Luben <Luben.Tuikov at amd.com>
> Cc: Ruhl, Michael J <michael.j.ruhl at intel.com>
>
>
> Aravind Iddamsetty (5):
> drm/netlink: Add netlink infrastructure
> drm/xe/RAS: Register netlink capability
> 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/Makefile | 1 +
> drivers/gpu/drm/drm_drv.c | 7 +
> drivers/gpu/drm/drm_netlink.c | 195 ++++++++++
> drivers/gpu/drm/xe/Makefile | 1 +
> drivers/gpu/drm/xe/xe_device.c | 4 +
> drivers/gpu/drm/xe/xe_device_types.h | 1 +
> drivers/gpu/drm/xe/xe_hw_error.c | 33 ++
> drivers/gpu/drm/xe/xe_netlink.c | 517 +++++++++++++++++++++++++++
> include/drm/drm_device.h | 8 +
> include/drm/drm_drv.h | 7 +
> include/drm/drm_netlink.h | 35 ++
> include/uapi/drm/drm_netlink.h | 87 +++++
> include/uapi/drm/xe_drm.h | 81 +++++
> 13 files changed, 977 insertions(+)
> create mode 100644 drivers/gpu/drm/drm_netlink.c
> create mode 100644 drivers/gpu/drm/xe/xe_netlink.c
> create mode 100644 include/drm/drm_netlink.h
> create mode 100644 include/uapi/drm/drm_netlink.h
>
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