On 05-06-2023 22:17, Alex Deucher wrote:
> Adding the relevant AMD folks for RAS. We currently expose RAS via
> sysfs, but also have an event interface in KFD which may be somewhat
> similar to this.
>
> If we were to converge on a common RAS interface, would we want to
> look at any commonality in bad page storage/reporting for device
> memory?
Could you please elaborate a bit on this.
Thanks,
Aravind.
>
> Alex
>
> On Fri, May 26, 2023 at 12:21 PM Aravind Iddamsetty
> <aravind.iddamse...@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.
>>
>> [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.deuc...@amd.com>
>> Cc: David Airlie <airl...@gmail.com>
>> Cc: Daniel Vetter <dan...@ffwll.ch>
>> Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
>> Cc: Oded Gabbay <ogab...@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
>>
