drm/amdkfd: CRIU implement gpu_id remapping

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When doing a restore on a different node, the gpu_id's on the restore
node may be different. But the user space application will still refer
use the original gpu_id's in the ioctl calls. Adding code to create a
gpu id mapping so that kfd can determine actual gpu_id during the user
ioctl's.

Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: David Yat Sin <david.yatsin@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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David Yat Sin 2021-04-09 12:30:43 -04:00 • committed by Alex Deucher

parent 40e8a766a7

commit bef153b70c

5 changed files with 414 additions and 160 deletions

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468

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

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45

drivers/gpu/drm/amd/amdkfd/kfd_events.c

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11

drivers/gpu/drm/amd/amdkfd/kfd_priv.h

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32

drivers/gpu/drm/amd/amdkfd/kfd_process.c

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18

drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c

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