drm/amdkfd: add send exception operation

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Add a debug operation that allows the debugger to send an exception
directly to runtime through a payload address.

For memory violations, normal vmfault signals will be applied to
notify runtime instead after passing in the saved exception data
when a memory violation was raised to the debugger.

For runtime exceptions, this will unblock the runtime enable
function which will be explained and implemented in a follow up
patch.

Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Jonathan Kim 2022-04-08 12:49:48 -04:00 • committed by Alex Deucher

parent 44b87bb083

commit c2d2588c70

8 changed files with 135 additions and 6 deletions

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4

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

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5

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

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43

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

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6

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

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3

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

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2

drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c

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7

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

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71

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

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