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The debugger must be notified by any debugger subscribed exception that comes from hardware interrupts. If a debugger session exits, any exceptions it subscribed to may still have interrupts in the interrupt ring buffer or KGD/KFD pipeline. To prevent a new session from inheriting stale interrupts, when a new queue is created, open an interrupt drain and allow the IH ring to drain from a timestamped checkpoint. Then inject a custom IV so that once the custom IV is picked up by the KFD, it's safe to close the drain and proceed with queue creation. The drain must also be on debug disable as SW interrupts may still be processed. Drain at this time and clear all the exception status. The debugger may also not be attached nor subscibed to certain exceptions so forward them directly to the runtime. GFX10 also requires its own IV processing, hence the creation of kfd_int_process_v10.c. This is because the IV from SQ interrupts are packed into a new continguous format unlike GFX9. To make this clear, a separate interrupting handling code file was created. 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>
74 lines
2.8 KiB
Makefile
74 lines
2.8 KiB
Makefile
#
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# Copyright 2017 Advanced Micro Devices, Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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#
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# Makefile for Heterogenous System Architecture support for AMD GPU devices
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#
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AMDKFD_FILES := $(AMDKFD_PATH)/kfd_module.o \
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$(AMDKFD_PATH)/kfd_device.o \
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$(AMDKFD_PATH)/kfd_chardev.o \
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$(AMDKFD_PATH)/kfd_topology.o \
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$(AMDKFD_PATH)/kfd_pasid.o \
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$(AMDKFD_PATH)/kfd_doorbell.o \
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$(AMDKFD_PATH)/kfd_flat_memory.o \
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$(AMDKFD_PATH)/kfd_process.o \
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$(AMDKFD_PATH)/kfd_queue.o \
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$(AMDKFD_PATH)/kfd_mqd_manager.o \
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$(AMDKFD_PATH)/kfd_mqd_manager_cik.o \
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$(AMDKFD_PATH)/kfd_mqd_manager_vi.o \
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$(AMDKFD_PATH)/kfd_mqd_manager_v9.o \
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$(AMDKFD_PATH)/kfd_mqd_manager_v10.o \
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$(AMDKFD_PATH)/kfd_mqd_manager_v11.o \
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$(AMDKFD_PATH)/kfd_kernel_queue.o \
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$(AMDKFD_PATH)/kfd_packet_manager.o \
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$(AMDKFD_PATH)/kfd_packet_manager_vi.o \
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$(AMDKFD_PATH)/kfd_packet_manager_v9.o \
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$(AMDKFD_PATH)/kfd_process_queue_manager.o \
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$(AMDKFD_PATH)/kfd_device_queue_manager.o \
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$(AMDKFD_PATH)/kfd_device_queue_manager_cik.o \
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$(AMDKFD_PATH)/kfd_device_queue_manager_vi.o \
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$(AMDKFD_PATH)/kfd_device_queue_manager_v9.o \
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$(AMDKFD_PATH)/kfd_device_queue_manager_v10.o \
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$(AMDKFD_PATH)/kfd_device_queue_manager_v11.o \
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$(AMDKFD_PATH)/kfd_interrupt.o \
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$(AMDKFD_PATH)/kfd_events.o \
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$(AMDKFD_PATH)/cik_event_interrupt.o \
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$(AMDKFD_PATH)/kfd_int_process_v9.o \
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$(AMDKFD_PATH)/kfd_int_process_v10.o \
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$(AMDKFD_PATH)/kfd_int_process_v11.o \
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$(AMDKFD_PATH)/kfd_smi_events.o \
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$(AMDKFD_PATH)/kfd_crat.o \
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$(AMDKFD_PATH)/kfd_debug.o
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ifneq ($(CONFIG_AMD_IOMMU_V2),)
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AMDKFD_FILES += $(AMDKFD_PATH)/kfd_iommu.o
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endif
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ifneq ($(CONFIG_DEBUG_FS),)
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AMDKFD_FILES += $(AMDKFD_PATH)/kfd_debugfs.o
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endif
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ifneq ($(CONFIG_HSA_AMD_SVM),)
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AMDKFD_FILES += $(AMDKFD_PATH)/kfd_svm.o \
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$(AMDKFD_PATH)/kfd_migrate.o
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endif
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