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517 lines
15 KiB
C
517 lines
15 KiB
C
/*
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* Copyright 2014 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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#ifndef KFD_IOCTL_H_INCLUDED
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#define KFD_IOCTL_H_INCLUDED
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#include <drm/drm.h>
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#include <linux/ioctl.h>
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#define KFD_IOCTL_MAJOR_VERSION 1
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#define KFD_IOCTL_MINOR_VERSION 1
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struct kfd_ioctl_get_version_args {
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__u32 major_version; /* from KFD */
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__u32 minor_version; /* from KFD */
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};
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/* For kfd_ioctl_create_queue_args.queue_type. */
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#define KFD_IOC_QUEUE_TYPE_COMPUTE 0
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#define KFD_IOC_QUEUE_TYPE_SDMA 1
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#define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 2
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#define KFD_MAX_QUEUE_PERCENTAGE 100
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#define KFD_MAX_QUEUE_PRIORITY 15
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struct kfd_ioctl_create_queue_args {
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__u64 ring_base_address; /* to KFD */
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__u64 write_pointer_address; /* from KFD */
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__u64 read_pointer_address; /* from KFD */
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__u64 doorbell_offset; /* from KFD */
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__u32 ring_size; /* to KFD */
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__u32 gpu_id; /* to KFD */
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__u32 queue_type; /* to KFD */
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__u32 queue_percentage; /* to KFD */
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__u32 queue_priority; /* to KFD */
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__u32 queue_id; /* from KFD */
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__u64 eop_buffer_address; /* to KFD */
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__u64 eop_buffer_size; /* to KFD */
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__u64 ctx_save_restore_address; /* to KFD */
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__u32 ctx_save_restore_size; /* to KFD */
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__u32 ctl_stack_size; /* to KFD */
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};
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struct kfd_ioctl_destroy_queue_args {
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__u32 queue_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_update_queue_args {
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__u64 ring_base_address; /* to KFD */
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__u32 queue_id; /* to KFD */
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__u32 ring_size; /* to KFD */
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__u32 queue_percentage; /* to KFD */
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__u32 queue_priority; /* to KFD */
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};
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struct kfd_ioctl_set_cu_mask_args {
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__u32 queue_id; /* to KFD */
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__u32 num_cu_mask; /* to KFD */
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__u64 cu_mask_ptr; /* to KFD */
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};
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struct kfd_ioctl_get_queue_wave_state_args {
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__u64 ctl_stack_address; /* to KFD */
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__u32 ctl_stack_used_size; /* from KFD */
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__u32 save_area_used_size; /* from KFD */
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__u32 queue_id; /* to KFD */
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__u32 pad;
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};
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/* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */
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#define KFD_IOC_CACHE_POLICY_COHERENT 0
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#define KFD_IOC_CACHE_POLICY_NONCOHERENT 1
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struct kfd_ioctl_set_memory_policy_args {
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__u64 alternate_aperture_base; /* to KFD */
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__u64 alternate_aperture_size; /* to KFD */
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__u32 gpu_id; /* to KFD */
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__u32 default_policy; /* to KFD */
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__u32 alternate_policy; /* to KFD */
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__u32 pad;
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};
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/*
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* All counters are monotonic. They are used for profiling of compute jobs.
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* The profiling is done by userspace.
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*
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* In case of GPU reset, the counter should not be affected.
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*/
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struct kfd_ioctl_get_clock_counters_args {
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__u64 gpu_clock_counter; /* from KFD */
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__u64 cpu_clock_counter; /* from KFD */
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__u64 system_clock_counter; /* from KFD */
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__u64 system_clock_freq; /* from KFD */
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__u32 gpu_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_process_device_apertures {
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__u64 lds_base; /* from KFD */
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__u64 lds_limit; /* from KFD */
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__u64 scratch_base; /* from KFD */
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__u64 scratch_limit; /* from KFD */
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__u64 gpuvm_base; /* from KFD */
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__u64 gpuvm_limit; /* from KFD */
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__u32 gpu_id; /* from KFD */
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__u32 pad;
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};
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/*
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* AMDKFD_IOC_GET_PROCESS_APERTURES is deprecated. Use
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* AMDKFD_IOC_GET_PROCESS_APERTURES_NEW instead, which supports an
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* unlimited number of GPUs.
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*/
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#define NUM_OF_SUPPORTED_GPUS 7
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struct kfd_ioctl_get_process_apertures_args {
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struct kfd_process_device_apertures
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process_apertures[NUM_OF_SUPPORTED_GPUS];/* from KFD */
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/* from KFD, should be in the range [1 - NUM_OF_SUPPORTED_GPUS] */
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__u32 num_of_nodes;
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__u32 pad;
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};
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struct kfd_ioctl_get_process_apertures_new_args {
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/* User allocated. Pointer to struct kfd_process_device_apertures
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* filled in by Kernel
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*/
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__u64 kfd_process_device_apertures_ptr;
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/* to KFD - indicates amount of memory present in
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* kfd_process_device_apertures_ptr
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* from KFD - Number of entries filled by KFD.
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*/
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__u32 num_of_nodes;
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__u32 pad;
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};
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#define MAX_ALLOWED_NUM_POINTS 100
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#define MAX_ALLOWED_AW_BUFF_SIZE 4096
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#define MAX_ALLOWED_WAC_BUFF_SIZE 128
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struct kfd_ioctl_dbg_register_args {
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__u32 gpu_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_dbg_unregister_args {
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__u32 gpu_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_dbg_address_watch_args {
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__u64 content_ptr; /* a pointer to the actual content */
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__u32 gpu_id; /* to KFD */
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__u32 buf_size_in_bytes; /*including gpu_id and buf_size */
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};
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struct kfd_ioctl_dbg_wave_control_args {
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__u64 content_ptr; /* a pointer to the actual content */
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__u32 gpu_id; /* to KFD */
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__u32 buf_size_in_bytes; /*including gpu_id and buf_size */
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};
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/* Matching HSA_EVENTTYPE */
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#define KFD_IOC_EVENT_SIGNAL 0
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#define KFD_IOC_EVENT_NODECHANGE 1
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#define KFD_IOC_EVENT_DEVICESTATECHANGE 2
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#define KFD_IOC_EVENT_HW_EXCEPTION 3
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#define KFD_IOC_EVENT_SYSTEM_EVENT 4
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#define KFD_IOC_EVENT_DEBUG_EVENT 5
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#define KFD_IOC_EVENT_PROFILE_EVENT 6
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#define KFD_IOC_EVENT_QUEUE_EVENT 7
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#define KFD_IOC_EVENT_MEMORY 8
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#define KFD_IOC_WAIT_RESULT_COMPLETE 0
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#define KFD_IOC_WAIT_RESULT_TIMEOUT 1
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#define KFD_IOC_WAIT_RESULT_FAIL 2
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#define KFD_SIGNAL_EVENT_LIMIT 4096
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/* For kfd_event_data.hw_exception_data.reset_type. */
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#define KFD_HW_EXCEPTION_WHOLE_GPU_RESET 0
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#define KFD_HW_EXCEPTION_PER_ENGINE_RESET 1
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/* For kfd_event_data.hw_exception_data.reset_cause. */
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#define KFD_HW_EXCEPTION_GPU_HANG 0
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#define KFD_HW_EXCEPTION_ECC 1
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struct kfd_ioctl_create_event_args {
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__u64 event_page_offset; /* from KFD */
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__u32 event_trigger_data; /* from KFD - signal events only */
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__u32 event_type; /* to KFD */
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__u32 auto_reset; /* to KFD */
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__u32 node_id; /* to KFD - only valid for certain
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event types */
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__u32 event_id; /* from KFD */
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__u32 event_slot_index; /* from KFD */
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};
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struct kfd_ioctl_destroy_event_args {
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__u32 event_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_set_event_args {
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__u32 event_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_reset_event_args {
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__u32 event_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_memory_exception_failure {
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__u32 NotPresent; /* Page not present or supervisor privilege */
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__u32 ReadOnly; /* Write access to a read-only page */
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__u32 NoExecute; /* Execute access to a page marked NX */
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__u32 imprecise; /* Can't determine the exact fault address */
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};
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/* memory exception data*/
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struct kfd_hsa_memory_exception_data {
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struct kfd_memory_exception_failure failure;
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__u64 va;
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__u32 gpu_id;
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__u32 pad;
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};
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/* hw exception data */
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struct kfd_hsa_hw_exception_data {
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__u32 reset_type;
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__u32 reset_cause;
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__u32 memory_lost;
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__u32 gpu_id;
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};
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/* Event data */
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struct kfd_event_data {
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union {
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struct kfd_hsa_memory_exception_data memory_exception_data;
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struct kfd_hsa_hw_exception_data hw_exception_data;
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}; /* From KFD */
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__u64 kfd_event_data_ext; /* pointer to an extension structure
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for future exception types */
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__u32 event_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_wait_events_args {
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__u64 events_ptr; /* pointed to struct
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kfd_event_data array, to KFD */
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__u32 num_events; /* to KFD */
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__u32 wait_for_all; /* to KFD */
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__u32 timeout; /* to KFD */
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__u32 wait_result; /* from KFD */
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};
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struct kfd_ioctl_set_scratch_backing_va_args {
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__u64 va_addr; /* to KFD */
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__u32 gpu_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_get_tile_config_args {
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/* to KFD: pointer to tile array */
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__u64 tile_config_ptr;
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/* to KFD: pointer to macro tile array */
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__u64 macro_tile_config_ptr;
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/* to KFD: array size allocated by user mode
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* from KFD: array size filled by kernel
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*/
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__u32 num_tile_configs;
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/* to KFD: array size allocated by user mode
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* from KFD: array size filled by kernel
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*/
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__u32 num_macro_tile_configs;
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__u32 gpu_id; /* to KFD */
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__u32 gb_addr_config; /* from KFD */
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__u32 num_banks; /* from KFD */
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__u32 num_ranks; /* from KFD */
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/* struct size can be extended later if needed
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* without breaking ABI compatibility
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*/
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};
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struct kfd_ioctl_set_trap_handler_args {
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__u64 tba_addr; /* to KFD */
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__u64 tma_addr; /* to KFD */
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__u32 gpu_id; /* to KFD */
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__u32 pad;
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};
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struct kfd_ioctl_acquire_vm_args {
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__u32 drm_fd; /* to KFD */
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__u32 gpu_id; /* to KFD */
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};
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/* Allocation flags: memory types */
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#define KFD_IOC_ALLOC_MEM_FLAGS_VRAM (1 << 0)
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#define KFD_IOC_ALLOC_MEM_FLAGS_GTT (1 << 1)
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#define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR (1 << 2)
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#define KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL (1 << 3)
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/* Allocation flags: attributes/access options */
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#define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE (1 << 31)
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#define KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE (1 << 30)
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#define KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC (1 << 29)
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#define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE (1 << 28)
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#define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM (1 << 27)
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#define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT (1 << 26)
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/* Allocate memory for later SVM (shared virtual memory) mapping.
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*
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* @va_addr: virtual address of the memory to be allocated
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* all later mappings on all GPUs will use this address
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* @size: size in bytes
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* @handle: buffer handle returned to user mode, used to refer to
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* this allocation for mapping, unmapping and freeing
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* @mmap_offset: for CPU-mapping the allocation by mmapping a render node
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* for userptrs this is overloaded to specify the CPU address
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* @gpu_id: device identifier
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* @flags: memory type and attributes. See KFD_IOC_ALLOC_MEM_FLAGS above
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*/
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struct kfd_ioctl_alloc_memory_of_gpu_args {
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__u64 va_addr; /* to KFD */
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__u64 size; /* to KFD */
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__u64 handle; /* from KFD */
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__u64 mmap_offset; /* to KFD (userptr), from KFD (mmap offset) */
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__u32 gpu_id; /* to KFD */
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__u32 flags;
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};
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/* Free memory allocated with kfd_ioctl_alloc_memory_of_gpu
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*
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* @handle: memory handle returned by alloc
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*/
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struct kfd_ioctl_free_memory_of_gpu_args {
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__u64 handle; /* to KFD */
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};
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/* Map memory to one or more GPUs
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*
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* @handle: memory handle returned by alloc
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* @device_ids_array_ptr: array of gpu_ids (__u32 per device)
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* @n_devices: number of devices in the array
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* @n_success: number of devices mapped successfully
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*
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* @n_success returns information to the caller how many devices from
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* the start of the array have mapped the buffer successfully. It can
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* be passed into a subsequent retry call to skip those devices. For
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* the first call the caller should initialize it to 0.
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*
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* If the ioctl completes with return code 0 (success), n_success ==
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* n_devices.
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*/
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struct kfd_ioctl_map_memory_to_gpu_args {
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__u64 handle; /* to KFD */
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__u64 device_ids_array_ptr; /* to KFD */
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__u32 n_devices; /* to KFD */
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__u32 n_success; /* to/from KFD */
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};
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/* Unmap memory from one or more GPUs
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*
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* same arguments as for mapping
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*/
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struct kfd_ioctl_unmap_memory_from_gpu_args {
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__u64 handle; /* to KFD */
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__u64 device_ids_array_ptr; /* to KFD */
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__u32 n_devices; /* to KFD */
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__u32 n_success; /* to/from KFD */
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};
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struct kfd_ioctl_get_dmabuf_info_args {
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__u64 size; /* from KFD */
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__u64 metadata_ptr; /* to KFD */
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__u32 metadata_size; /* to KFD (space allocated by user)
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* from KFD (actual metadata size)
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*/
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__u32 gpu_id; /* from KFD */
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__u32 flags; /* from KFD (KFD_IOC_ALLOC_MEM_FLAGS) */
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__u32 dmabuf_fd; /* to KFD */
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};
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struct kfd_ioctl_import_dmabuf_args {
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__u64 va_addr; /* to KFD */
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__u64 handle; /* from KFD */
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__u32 gpu_id; /* to KFD */
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__u32 dmabuf_fd; /* to KFD */
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};
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#define AMDKFD_IOCTL_BASE 'K'
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#define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr)
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#define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type)
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#define AMDKFD_IOW(nr, type) _IOW(AMDKFD_IOCTL_BASE, nr, type)
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#define AMDKFD_IOWR(nr, type) _IOWR(AMDKFD_IOCTL_BASE, nr, type)
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#define AMDKFD_IOC_GET_VERSION \
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AMDKFD_IOR(0x01, struct kfd_ioctl_get_version_args)
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#define AMDKFD_IOC_CREATE_QUEUE \
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AMDKFD_IOWR(0x02, struct kfd_ioctl_create_queue_args)
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#define AMDKFD_IOC_DESTROY_QUEUE \
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AMDKFD_IOWR(0x03, struct kfd_ioctl_destroy_queue_args)
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#define AMDKFD_IOC_SET_MEMORY_POLICY \
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AMDKFD_IOW(0x04, struct kfd_ioctl_set_memory_policy_args)
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#define AMDKFD_IOC_GET_CLOCK_COUNTERS \
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AMDKFD_IOWR(0x05, struct kfd_ioctl_get_clock_counters_args)
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#define AMDKFD_IOC_GET_PROCESS_APERTURES \
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AMDKFD_IOR(0x06, struct kfd_ioctl_get_process_apertures_args)
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#define AMDKFD_IOC_UPDATE_QUEUE \
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AMDKFD_IOW(0x07, struct kfd_ioctl_update_queue_args)
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#define AMDKFD_IOC_CREATE_EVENT \
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AMDKFD_IOWR(0x08, struct kfd_ioctl_create_event_args)
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#define AMDKFD_IOC_DESTROY_EVENT \
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AMDKFD_IOW(0x09, struct kfd_ioctl_destroy_event_args)
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#define AMDKFD_IOC_SET_EVENT \
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AMDKFD_IOW(0x0A, struct kfd_ioctl_set_event_args)
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#define AMDKFD_IOC_RESET_EVENT \
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AMDKFD_IOW(0x0B, struct kfd_ioctl_reset_event_args)
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#define AMDKFD_IOC_WAIT_EVENTS \
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AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args)
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#define AMDKFD_IOC_DBG_REGISTER \
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AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args)
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#define AMDKFD_IOC_DBG_UNREGISTER \
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AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args)
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#define AMDKFD_IOC_DBG_ADDRESS_WATCH \
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AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args)
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#define AMDKFD_IOC_DBG_WAVE_CONTROL \
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AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args)
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#define AMDKFD_IOC_SET_SCRATCH_BACKING_VA \
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AMDKFD_IOWR(0x11, struct kfd_ioctl_set_scratch_backing_va_args)
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#define AMDKFD_IOC_GET_TILE_CONFIG \
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AMDKFD_IOWR(0x12, struct kfd_ioctl_get_tile_config_args)
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#define AMDKFD_IOC_SET_TRAP_HANDLER \
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AMDKFD_IOW(0x13, struct kfd_ioctl_set_trap_handler_args)
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#define AMDKFD_IOC_GET_PROCESS_APERTURES_NEW \
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AMDKFD_IOWR(0x14, \
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struct kfd_ioctl_get_process_apertures_new_args)
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#define AMDKFD_IOC_ACQUIRE_VM \
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AMDKFD_IOW(0x15, struct kfd_ioctl_acquire_vm_args)
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#define AMDKFD_IOC_ALLOC_MEMORY_OF_GPU \
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AMDKFD_IOWR(0x16, struct kfd_ioctl_alloc_memory_of_gpu_args)
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#define AMDKFD_IOC_FREE_MEMORY_OF_GPU \
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AMDKFD_IOW(0x17, struct kfd_ioctl_free_memory_of_gpu_args)
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#define AMDKFD_IOC_MAP_MEMORY_TO_GPU \
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AMDKFD_IOWR(0x18, struct kfd_ioctl_map_memory_to_gpu_args)
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#define AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU \
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AMDKFD_IOWR(0x19, struct kfd_ioctl_unmap_memory_from_gpu_args)
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#define AMDKFD_IOC_SET_CU_MASK \
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AMDKFD_IOW(0x1A, struct kfd_ioctl_set_cu_mask_args)
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#define AMDKFD_IOC_GET_QUEUE_WAVE_STATE \
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AMDKFD_IOWR(0x1B, struct kfd_ioctl_get_queue_wave_state_args)
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#define AMDKFD_IOC_GET_DMABUF_INFO \
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AMDKFD_IOWR(0x1C, struct kfd_ioctl_get_dmabuf_info_args)
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#define AMDKFD_IOC_IMPORT_DMABUF \
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AMDKFD_IOWR(0x1D, struct kfd_ioctl_import_dmabuf_args)
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#define AMDKFD_COMMAND_START 0x01
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#define AMDKFD_COMMAND_END 0x1E
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#endif
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