//usr/include/linux
579 items
NAME ↑ SIZE MODIFIED PERMS ACTIONS
.. / Parent Directory
android — dir
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byteorder — dir
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caif — dir
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can — dir
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cifs — dir
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dvb — dir
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genwqe — dir
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hdlc — dir
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hsi — dir
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iio — dir
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isdn — dir
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misc — dir
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mmc — dir
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netfilter — dir
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netfilter_arp — dir
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netfilter_bridge — dir
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netfilter_ipv4 — dir
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netfilter_ipv6 — dir
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nfsd — dir
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raid — dir
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sched — dir
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spi — dir
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sunrpc — dir
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surface_aggregator — dir
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tc_act — dir
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tc_ematch — dir
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usb — dir
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a.out.h — 6.73 KB
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acct.h — 3.82 KB
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acrn.h — 16.29 KB
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adb.h — 1.11 KB
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adfs_fs.h — 993 B
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affs_hardblocks.h — 1.54 KB
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agpgart.h — 3.85 KB
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aio_abi.h — 3.32 KB
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am437x-vpfe.h — 3.59 KB
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apm_bios.h — 3.6 KB
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arcfb.h — 213 B
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arm_sdei.h — 2.69 KB
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aspeed-lpc-ctrl.h — 1.74 KB
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aspeed-p2a-ctrl.h — 1.86 KB
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atalk.h — 1023 B
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atm.h — 7.7 KB
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atm_eni.h — 648 B
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atm_he.h — 406 B
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atm_idt77105.h — 955 B
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atm_nicstar.h — 1.25 KB
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atm_tcp.h — 1.58 KB
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atm_zatm.h — 1.5 KB
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atmapi.h — 952 B
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atmarp.h — 1.27 KB
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atmbr2684.h — 3.19 KB
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atmclip.h — 576 B
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atmdev.h — 7.5 KB
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atmioc.h — 1.61 KB
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atmlec.h — 2.33 KB
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atmmpc.h — 4.13 KB
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atmppp.h — 639 B
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atmsap.h — 4.85 KB
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atmsvc.h — 1.81 KB
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audit.h — 21.06 KB
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auto_dev-ioctl.h — 4.87 KB
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auto_fs.h — 6.28 KB
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auto_fs4.h — 451 B
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auxvec.h — 1.56 KB
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ax25.h — 2.76 KB
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batadv_packet.h — 19.87 KB
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batman_adv.h — 16.49 KB
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baycom.h — 883 B
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bcm933xx_hcs.h — 419 B
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bfs_fs.h — 1.86 KB
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binfmts.h — 776 B
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bits.h — 447 B
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blkdev.h — 359 B
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blkpg.h — 904 B
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blktrace_api.h — 4.59 KB
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blkzoned.h — 6.34 KB
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bpf.h — 272.14 KB
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bpf_common.h — 1.33 KB
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bpf_perf_event.h — 529 B
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bpfilter.h — 465 B
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bpqether.h — 981 B
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bsg.h — 2.44 KB
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bt-bmc.h — 572 B
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btf.h — 5.46 KB
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btrfs.h — 29.85 KB
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btrfs_tree.h — 25.22 KB
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cachefiles.h — 1.61 KB
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can.h — 11.23 KB
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capability.h — 13.17 KB
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capi.h — 3.05 KB
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cciss_defs.h — 3.2 KB
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cciss_ioctl.h — 2.7 KB
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ccs.h — 767 B
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cdrom.h — 28.87 KB
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cec-funcs.h — 53.14 KB
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cec.h — 40.47 KB
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cfm_bridge.h — 1.42 KB
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cgroupstats.h — 2.17 KB
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chio.h — 5.16 KB
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close_range.h — 377 B
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cm4000_cs.h — 1.76 KB
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cn_proc.h — 4.05 KB
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coda.h — 17.79 KB
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coff.h — 12.25 KB
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connector.h — 2.2 KB
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const.h — 987 B
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coresight-stm.h — 747 B
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cramfs_fs.h — 3.47 KB
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cryptouser.h — 5.2 KB
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cuda.h — 905 B
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cxl_mem.h — 7.73 KB
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cycx_cfm.h — 2.92 KB
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dcbnl.h — 24.7 KB
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dccp.h — 6.29 KB
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devlink.h — 23.26 KB
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dlm.h — 2.49 KB
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dlm_device.h — 2.48 KB
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dlm_netlink.h — 1.13 KB
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dlm_plock.h — 894 B
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dlmconstants.h — 4.96 KB
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dm-ioctl.h — 11.48 KB
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dm-log-userspace.h — 14.83 KB
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dma-buf.h — 5.12 KB
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dma-heap.h — 1.36 KB
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dn.h — 4.53 KB
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dns_resolver.h — 3.86 KB
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dpll.h — 9.44 KB
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dqblk_xfs.h — 9.17 KB
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efs_fs_sb.h — 2.17 KB
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elf-em.h — 2.57 KB
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elf-fdpic.h — 1.1 KB
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elf.h — 14.97 KB
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errno.h — 23 B
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ethtool_netlink.h — 6.17 KB
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eventfd.h — 264 B
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falloc.h — 3.56 KB
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fanotify.h — 7.7 KB
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fib_rules.h — 1.99 KB
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fiemap.h — 2.71 KB
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filter.h — 2.16 KB
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firewire-cdev.h — 43.2 KB
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firewire-constants.h — 3.16 KB
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fou.h — 819 B
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fpga-dfl.h — 8.52 KB
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fs.h — 13.23 KB
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/* * Copyright 2014 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef KFD_IOCTL_H_INCLUDED #define KFD_IOCTL_H_INCLUDED #include #include /* * - 1.1 - initial version * - 1.3 - Add SMI events support * - 1.4 - Indicate new SRAM EDC bit in device properties * - 1.5 - Add SVM API * - 1.6 - Query clear flags in SVM get_attr API * - 1.7 - Checkpoint Restore (CRIU) API * - 1.8 - CRIU - Support for SDMA transfers with GTT BOs * - 1.9 - Add available memory ioctl * - 1.10 - Add SMI profiler event log * - 1.11 - Add unified memory for ctx save/restore area * - 1.12 - Add DMA buf export ioctl * - 1.13 - Add debugger API * - 1.14 - Update kfd_event_data * - 1.15 - Enable managing mappings in compute VMs with GEM_VA ioctl * - 1.16 - Add contiguous VRAM allocation flag * - 1.17 - Add SDMA queue creation with target SDMA engine ID * - 1.18 - Rename pad in set_memory_policy_args to misc_process_flag */ #define KFD_IOCTL_MAJOR_VERSION 1 #define KFD_IOCTL_MINOR_VERSION 18 struct kfd_ioctl_get_version_args { __u32 major_version; /* from KFD */ __u32 minor_version; /* from KFD */ }; /* For kfd_ioctl_create_queue_args.queue_type. */ #define KFD_IOC_QUEUE_TYPE_COMPUTE 0x0 #define KFD_IOC_QUEUE_TYPE_SDMA 0x1 #define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 0x2 #define KFD_IOC_QUEUE_TYPE_SDMA_XGMI 0x3 #define KFD_IOC_QUEUE_TYPE_SDMA_BY_ENG_ID 0x4 #define KFD_MAX_QUEUE_PERCENTAGE 100 #define KFD_MAX_QUEUE_PRIORITY 15 #define KFD_MIN_QUEUE_RING_SIZE 1024 struct kfd_ioctl_create_queue_args { __u64 ring_base_address; /* to KFD */ __u64 write_pointer_address; /* to KFD */ __u64 read_pointer_address; /* to KFD */ __u64 doorbell_offset; /* from KFD */ __u32 ring_size; /* to KFD */ __u32 gpu_id; /* to KFD */ __u32 queue_type; /* to KFD */ __u32 queue_percentage; /* to KFD */ __u32 queue_priority; /* to KFD */ __u32 queue_id; /* from KFD */ __u64 eop_buffer_address; /* to KFD */ __u64 eop_buffer_size; /* to KFD */ __u64 ctx_save_restore_address; /* to KFD */ __u32 ctx_save_restore_size; /* to KFD */ __u32 ctl_stack_size; /* to KFD */ __u32 sdma_engine_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_destroy_queue_args { __u32 queue_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_update_queue_args { __u64 ring_base_address; /* to KFD */ __u32 queue_id; /* to KFD */ __u32 ring_size; /* to KFD */ __u32 queue_percentage; /* to KFD */ __u32 queue_priority; /* to KFD */ }; struct kfd_ioctl_set_cu_mask_args { __u32 queue_id; /* to KFD */ __u32 num_cu_mask; /* to KFD */ __u64 cu_mask_ptr; /* to KFD */ }; struct kfd_ioctl_get_queue_wave_state_args { __u64 ctl_stack_address; /* to KFD */ __u32 ctl_stack_used_size; /* from KFD */ __u32 save_area_used_size; /* from KFD */ __u32 queue_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_get_available_memory_args { __u64 available; /* from KFD */ __u32 gpu_id; /* to KFD */ __u32 pad; }; struct kfd_dbg_device_info_entry { __u64 exception_status; __u64 lds_base; __u64 lds_limit; __u64 scratch_base; __u64 scratch_limit; __u64 gpuvm_base; __u64 gpuvm_limit; __u32 gpu_id; __u32 location_id; __u32 vendor_id; __u32 device_id; __u32 revision_id; __u32 subsystem_vendor_id; __u32 subsystem_device_id; __u32 fw_version; __u32 gfx_target_version; __u32 simd_count; __u32 max_waves_per_simd; __u32 array_count; __u32 simd_arrays_per_engine; __u32 num_xcc; __u32 capability; __u32 debug_prop; }; /* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */ #define KFD_IOC_CACHE_POLICY_COHERENT 0 #define KFD_IOC_CACHE_POLICY_NONCOHERENT 1 /* Misc. per process flags */ #define KFD_PROC_FLAG_MFMA_HIGH_PRECISION (1 << 0) struct kfd_ioctl_set_memory_policy_args { __u64 alternate_aperture_base; /* to KFD */ __u64 alternate_aperture_size; /* to KFD */ __u32 gpu_id; /* to KFD */ __u32 default_policy; /* to KFD */ __u32 alternate_policy; /* to KFD */ __u32 misc_process_flag; /* to KFD */ }; /* * All counters are monotonic. They are used for profiling of compute jobs. * The profiling is done by userspace. * * In case of GPU reset, the counter should not be affected. */ struct kfd_ioctl_get_clock_counters_args { __u64 gpu_clock_counter; /* from KFD */ __u64 cpu_clock_counter; /* from KFD */ __u64 system_clock_counter; /* from KFD */ __u64 system_clock_freq; /* from KFD */ __u32 gpu_id; /* to KFD */ __u32 pad; }; struct kfd_process_device_apertures { __u64 lds_base; /* from KFD */ __u64 lds_limit; /* from KFD */ __u64 scratch_base; /* from KFD */ __u64 scratch_limit; /* from KFD */ __u64 gpuvm_base; /* from KFD */ __u64 gpuvm_limit; /* from KFD */ __u32 gpu_id; /* from KFD */ __u32 pad; }; /* * AMDKFD_IOC_GET_PROCESS_APERTURES is deprecated. Use * AMDKFD_IOC_GET_PROCESS_APERTURES_NEW instead, which supports an * unlimited number of GPUs. */ #define NUM_OF_SUPPORTED_GPUS 7 struct kfd_ioctl_get_process_apertures_args { struct kfd_process_device_apertures process_apertures[NUM_OF_SUPPORTED_GPUS];/* from KFD */ /* from KFD, should be in the range [1 - NUM_OF_SUPPORTED_GPUS] */ __u32 num_of_nodes; __u32 pad; }; struct kfd_ioctl_get_process_apertures_new_args { /* User allocated. Pointer to struct kfd_process_device_apertures * filled in by Kernel */ __u64 kfd_process_device_apertures_ptr; /* to KFD - indicates amount of memory present in * kfd_process_device_apertures_ptr * from KFD - Number of entries filled by KFD. */ __u32 num_of_nodes; __u32 pad; }; #define MAX_ALLOWED_NUM_POINTS 100 #define MAX_ALLOWED_AW_BUFF_SIZE 4096 #define MAX_ALLOWED_WAC_BUFF_SIZE 128 struct kfd_ioctl_dbg_register_args { __u32 gpu_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_dbg_unregister_args { __u32 gpu_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_dbg_address_watch_args { __u64 content_ptr; /* a pointer to the actual content */ __u32 gpu_id; /* to KFD */ __u32 buf_size_in_bytes; /*including gpu_id and buf_size */ }; struct kfd_ioctl_dbg_wave_control_args { __u64 content_ptr; /* a pointer to the actual content */ __u32 gpu_id; /* to KFD */ __u32 buf_size_in_bytes; /*including gpu_id and buf_size */ }; #define KFD_INVALID_FD 0xffffffff /* Matching HSA_EVENTTYPE */ #define KFD_IOC_EVENT_SIGNAL 0 #define KFD_IOC_EVENT_NODECHANGE 1 #define KFD_IOC_EVENT_DEVICESTATECHANGE 2 #define KFD_IOC_EVENT_HW_EXCEPTION 3 #define KFD_IOC_EVENT_SYSTEM_EVENT 4 #define KFD_IOC_EVENT_DEBUG_EVENT 5 #define KFD_IOC_EVENT_PROFILE_EVENT 6 #define KFD_IOC_EVENT_QUEUE_EVENT 7 #define KFD_IOC_EVENT_MEMORY 8 #define KFD_IOC_WAIT_RESULT_COMPLETE 0 #define KFD_IOC_WAIT_RESULT_TIMEOUT 1 #define KFD_IOC_WAIT_RESULT_FAIL 2 #define KFD_SIGNAL_EVENT_LIMIT 4096 /* For kfd_event_data.hw_exception_data.reset_type. */ #define KFD_HW_EXCEPTION_WHOLE_GPU_RESET 0 #define KFD_HW_EXCEPTION_PER_ENGINE_RESET 1 /* For kfd_event_data.hw_exception_data.reset_cause. */ #define KFD_HW_EXCEPTION_GPU_HANG 0 #define KFD_HW_EXCEPTION_ECC 1 /* For kfd_hsa_memory_exception_data.ErrorType */ #define KFD_MEM_ERR_NO_RAS 0 #define KFD_MEM_ERR_SRAM_ECC 1 #define KFD_MEM_ERR_POISON_CONSUMED 2 #define KFD_MEM_ERR_GPU_HANG 3 struct kfd_ioctl_create_event_args { __u64 event_page_offset; /* from KFD */ __u32 event_trigger_data; /* from KFD - signal events only */ __u32 event_type; /* to KFD */ __u32 auto_reset; /* to KFD */ __u32 node_id; /* to KFD - only valid for certain event types */ __u32 event_id; /* from KFD */ __u32 event_slot_index; /* from KFD */ }; struct kfd_ioctl_destroy_event_args { __u32 event_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_set_event_args { __u32 event_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_reset_event_args { __u32 event_id; /* to KFD */ __u32 pad; }; struct kfd_memory_exception_failure { __u32 NotPresent; /* Page not present or supervisor privilege */ __u32 ReadOnly; /* Write access to a read-only page */ __u32 NoExecute; /* Execute access to a page marked NX */ __u32 imprecise; /* Can't determine the exact fault address */ }; /* memory exception data */ struct kfd_hsa_memory_exception_data { struct kfd_memory_exception_failure failure; __u64 va; __u32 gpu_id; __u32 ErrorType; /* 0 = no RAS error, * 1 = ECC_SRAM, * 2 = Link_SYNFLOOD (poison), * 3 = GPU hang (not attributable to a specific cause), * other values reserved */ }; /* hw exception data */ struct kfd_hsa_hw_exception_data { __u32 reset_type; __u32 reset_cause; __u32 memory_lost; __u32 gpu_id; }; /* hsa signal event data */ struct kfd_hsa_signal_event_data { __u64 last_event_age; /* to and from KFD */ }; /* Event data */ struct kfd_event_data { union { /* From KFD */ struct kfd_hsa_memory_exception_data memory_exception_data; struct kfd_hsa_hw_exception_data hw_exception_data; /* To and From KFD */ struct kfd_hsa_signal_event_data signal_event_data; }; __u64 kfd_event_data_ext; /* pointer to an extension structure for future exception types */ __u32 event_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_wait_events_args { __u64 events_ptr; /* pointed to struct kfd_event_data array, to KFD */ __u32 num_events; /* to KFD */ __u32 wait_for_all; /* to KFD */ __u32 timeout; /* to KFD */ __u32 wait_result; /* from KFD */ }; struct kfd_ioctl_set_scratch_backing_va_args { __u64 va_addr; /* to KFD */ __u32 gpu_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_get_tile_config_args { /* to KFD: pointer to tile array */ __u64 tile_config_ptr; /* to KFD: pointer to macro tile array */ __u64 macro_tile_config_ptr; /* to KFD: array size allocated by user mode * from KFD: array size filled by kernel */ __u32 num_tile_configs; /* to KFD: array size allocated by user mode * from KFD: array size filled by kernel */ __u32 num_macro_tile_configs; __u32 gpu_id; /* to KFD */ __u32 gb_addr_config; /* from KFD */ __u32 num_banks; /* from KFD */ __u32 num_ranks; /* from KFD */ /* struct size can be extended later if needed * without breaking ABI compatibility */ }; struct kfd_ioctl_set_trap_handler_args { __u64 tba_addr; /* to KFD */ __u64 tma_addr; /* to KFD */ __u32 gpu_id; /* to KFD */ __u32 pad; }; struct kfd_ioctl_acquire_vm_args { __u32 drm_fd; /* to KFD */ __u32 gpu_id; /* to KFD */ }; /* Allocation flags: memory types */ #define KFD_IOC_ALLOC_MEM_FLAGS_VRAM (1 << 0) #define KFD_IOC_ALLOC_MEM_FLAGS_GTT (1 << 1) #define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR (1 << 2) #define KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL (1 << 3) #define KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP (1 << 4) /* Allocation flags: attributes/access options */ #define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE (1 << 31) #define KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE (1 << 30) #define KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC (1 << 29) #define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE (1 << 28) #define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM (1 << 27) #define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT (1 << 26) #define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED (1 << 25) #define KFD_IOC_ALLOC_MEM_FLAGS_EXT_COHERENT (1 << 24) #define KFD_IOC_ALLOC_MEM_FLAGS_CONTIGUOUS (1 << 23) /* Allocate memory for later SVM (shared virtual memory) mapping. * * @va_addr: virtual address of the memory to be allocated * all later mappings on all GPUs will use this address * @size: size in bytes * @handle: buffer handle returned to user mode, used to refer to * this allocation for mapping, unmapping and freeing * @mmap_offset: for CPU-mapping the allocation by mmapping a render node * for userptrs this is overloaded to specify the CPU address * @gpu_id: device identifier * @flags: memory type and attributes. See KFD_IOC_ALLOC_MEM_FLAGS above */ struct kfd_ioctl_alloc_memory_of_gpu_args { __u64 va_addr; /* to KFD */ __u64 size; /* to KFD */ __u64 handle; /* from KFD */ __u64 mmap_offset; /* to KFD (userptr), from KFD (mmap offset) */ __u32 gpu_id; /* to KFD */ __u32 flags; }; /* Free memory allocated with kfd_ioctl_alloc_memory_of_gpu * * @handle: memory handle returned by alloc */ struct kfd_ioctl_free_memory_of_gpu_args { __u64 handle; /* to KFD */ }; /* Map memory to one or more GPUs * * @handle: memory handle returned by alloc * @device_ids_array_ptr: array of gpu_ids (__u32 per device) * @n_devices: number of devices in the array * @n_success: number of devices mapped successfully * * @n_success returns information to the caller how many devices from * the start of the array have mapped the buffer successfully. It can * be passed into a subsequent retry call to skip those devices. For * the first call the caller should initialize it to 0. * * If the ioctl completes with return code 0 (success), n_success == * n_devices. */ struct kfd_ioctl_map_memory_to_gpu_args { __u64 handle; /* to KFD */ __u64 device_ids_array_ptr; /* to KFD */ __u32 n_devices; /* to KFD */ __u32 n_success; /* to/from KFD */ }; /* Unmap memory from one or more GPUs * * same arguments as for mapping */ struct kfd_ioctl_unmap_memory_from_gpu_args { __u64 handle; /* to KFD */ __u64 device_ids_array_ptr; /* to KFD */ __u32 n_devices; /* to KFD */ __u32 n_success; /* to/from KFD */ }; /* Allocate GWS for specific queue * * @queue_id: queue's id that GWS is allocated for * @num_gws: how many GWS to allocate * @first_gws: index of the first GWS allocated. * only support contiguous GWS allocation */ struct kfd_ioctl_alloc_queue_gws_args { __u32 queue_id; /* to KFD */ __u32 num_gws; /* to KFD */ __u32 first_gws; /* from KFD */ __u32 pad; }; struct kfd_ioctl_get_dmabuf_info_args { __u64 size; /* from KFD */ __u64 metadata_ptr; /* to KFD */ __u32 metadata_size; /* to KFD (space allocated by user) * from KFD (actual metadata size) */ __u32 gpu_id; /* from KFD */ __u32 flags; /* from KFD (KFD_IOC_ALLOC_MEM_FLAGS) */ __u32 dmabuf_fd; /* to KFD */ }; struct kfd_ioctl_import_dmabuf_args { __u64 va_addr; /* to KFD */ __u64 handle; /* from KFD */ __u32 gpu_id; /* to KFD */ __u32 dmabuf_fd; /* to KFD */ }; struct kfd_ioctl_export_dmabuf_args { __u64 handle; /* to KFD */ __u32 flags; /* to KFD */ __u32 dmabuf_fd; /* from KFD */ }; /* * KFD SMI(System Management Interface) events */ enum kfd_smi_event { KFD_SMI_EVENT_NONE = 0, /* not used */ KFD_SMI_EVENT_VMFAULT = 1, /* event start counting at 1 */ KFD_SMI_EVENT_THERMAL_THROTTLE = 2, KFD_SMI_EVENT_GPU_PRE_RESET = 3, KFD_SMI_EVENT_GPU_POST_RESET = 4, KFD_SMI_EVENT_MIGRATE_START = 5, KFD_SMI_EVENT_MIGRATE_END = 6, KFD_SMI_EVENT_PAGE_FAULT_START = 7, KFD_SMI_EVENT_PAGE_FAULT_END = 8, KFD_SMI_EVENT_QUEUE_EVICTION = 9, KFD_SMI_EVENT_QUEUE_RESTORE = 10, KFD_SMI_EVENT_UNMAP_FROM_GPU = 11, KFD_SMI_EVENT_PROCESS_START = 12, KFD_SMI_EVENT_PROCESS_END = 13, /* * max event number, as a flag bit to get events from all processes, * this requires super user permission, otherwise will not be able to * receive event from any process. Without this flag to receive events * from same process. */ KFD_SMI_EVENT_ALL_PROCESS = 64 }; /* The reason of the page migration event */ enum KFD_MIGRATE_TRIGGERS { KFD_MIGRATE_TRIGGER_PREFETCH, /* Prefetch to GPU VRAM or system memory */ KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU, /* GPU page fault recover */ KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU, /* CPU page fault recover */ KFD_MIGRATE_TRIGGER_TTM_EVICTION /* TTM eviction */ }; /* The reason of user queue evition event */ enum KFD_QUEUE_EVICTION_TRIGGERS { KFD_QUEUE_EVICTION_TRIGGER_SVM, /* SVM buffer migration */ KFD_QUEUE_EVICTION_TRIGGER_USERPTR, /* userptr movement */ KFD_QUEUE_EVICTION_TRIGGER_TTM, /* TTM move buffer */ KFD_QUEUE_EVICTION_TRIGGER_SUSPEND, /* GPU suspend */ KFD_QUEUE_EVICTION_CRIU_CHECKPOINT, /* CRIU checkpoint */ KFD_QUEUE_EVICTION_CRIU_RESTORE /* CRIU restore */ }; /* The reason of unmap buffer from GPU event */ enum KFD_SVM_UNMAP_TRIGGERS { KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY, /* MMU notifier CPU buffer movement */ KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRATE,/* MMU notifier page migration */ KFD_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU /* Unmap to free the buffer */ }; #define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1)) #define KFD_SMI_EVENT_MSG_SIZE 96 struct kfd_ioctl_smi_events_args { __u32 gpuid; /* to KFD */ __u32 anon_fd; /* from KFD */ }; /* * SVM event tracing via SMI system management interface * * Open event file descriptor * use ioctl AMDKFD_IOC_SMI_EVENTS, pass in gpuid and return a anonymous file * descriptor to receive SMI events. * If calling with sudo permission, then file descriptor can be used to receive * SVM events from all processes, otherwise, to only receive SVM events of same * process. * * To enable the SVM event * Write event file descriptor with KFD_SMI_EVENT_MASK_FROM_INDEX(event) bitmap * mask to start record the event to the kfifo, use bitmap mask combination * for multiple events. New event mask will overwrite the previous event mask. * KFD_SMI_EVENT_MASK_FROM_INDEX(KFD_SMI_EVENT_ALL_PROCESS) bit requires sudo * permisson to receive SVM events from all process. * * To receive the event * Application can poll file descriptor to wait for the events, then read event * from the file into a buffer. Each event is one line string message, starting * with the event id, then the event specific information. * * To decode event information * The following event format string macro can be used with sscanf to decode * the specific event information. * event triggers: the reason to generate the event, defined as enum for unmap, * eviction and migrate events. * node, from, to, prefetch_loc, preferred_loc: GPU ID, or 0 for system memory. * addr: user mode address, in pages * size: in pages * pid: the process ID to generate the event * ns: timestamp in nanosecond-resolution, starts at system boot time but * stops during suspend * migrate_update: GPU page fault is recovered by 'M' for migrate, 'U' for update * rw: 'W' for write page fault, 'R' for read page fault * rescheduled: 'R' if the queue restore failed and rescheduled to try again * error_code: migrate failure error code, 0 if no error */ #define KFD_EVENT_FMT_UPDATE_GPU_RESET(reset_seq_num, reset_cause)\ "%x %s\n", (reset_seq_num), (reset_cause) #define KFD_EVENT_FMT_THERMAL_THROTTLING(bitmask, counter)\ "%llx:%llx\n", (bitmask), (counter) #define KFD_EVENT_FMT_VMFAULT(pid, task_name)\ "%x:%s\n", (pid), (task_name) #define KFD_EVENT_FMT_PAGEFAULT_START(ns, pid, addr, node, rw)\ "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (rw) #define KFD_EVENT_FMT_PAGEFAULT_END(ns, pid, addr, node, migrate_update)\ "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (migrate_update) #define KFD_EVENT_FMT_MIGRATE_START(ns, pid, start, size, from, to, prefetch_loc,\ preferred_loc, migrate_trigger)\ "%lld -%d @%lx(%lx) %x->%x %x:%x %d\n", (ns), (pid), (start), (size),\ (from), (to), (prefetch_loc), (preferred_loc), (migrate_trigger) #define KFD_EVENT_FMT_MIGRATE_END(ns, pid, start, size, from, to, migrate_trigger, error_code) \ "%lld -%d @%lx(%lx) %x->%x %d %d\n", (ns), (pid), (start), (size),\ (from), (to), (migrate_trigger), (error_code) #define KFD_EVENT_FMT_QUEUE_EVICTION(ns, pid, node, evict_trigger)\ "%lld -%d %x %d\n", (ns), (pid), (node), (evict_trigger) #define KFD_EVENT_FMT_QUEUE_RESTORE(ns, pid, node, rescheduled)\ "%lld -%d %x %c\n", (ns), (pid), (node), (rescheduled) #define KFD_EVENT_FMT_UNMAP_FROM_GPU(ns, pid, addr, size, node, unmap_trigger)\ "%lld -%d @%lx(%lx) %x %d\n", (ns), (pid), (addr), (size),\ (node), (unmap_trigger) #define KFD_EVENT_FMT_PROCESS(pid, task_name)\ "%x %s\n", (pid), (task_name) /************************************************************************************************** * CRIU IOCTLs (Checkpoint Restore In Userspace) * * When checkpointing a process, the userspace application will perform: * 1. PROCESS_INFO op to determine current process information. This pauses execution and evicts * all the queues. * 2. CHECKPOINT op to checkpoint process contents (BOs, queues, events, svm-ranges) * 3. UNPAUSE op to un-evict all the queues * * When restoring a process, the CRIU userspace application will perform: * * 1. RESTORE op to restore process contents * 2. RESUME op to start the process * * Note: Queues are forced into an evicted state after a successful PROCESS_INFO. User * application needs to perform an UNPAUSE operation after calling PROCESS_INFO. */ enum kfd_criu_op { KFD_CRIU_OP_PROCESS_INFO, KFD_CRIU_OP_CHECKPOINT, KFD_CRIU_OP_UNPAUSE, KFD_CRIU_OP_RESTORE, KFD_CRIU_OP_RESUME, }; /** * kfd_ioctl_criu_args - Arguments perform CRIU operation * @devices: [in/out] User pointer to memory location for devices information. * This is an array of type kfd_criu_device_bucket. * @bos: [in/out] User pointer to memory location for BOs information * This is an array of type kfd_criu_bo_bucket. * @priv_data: [in/out] User pointer to memory location for private data * @priv_data_size: [in/out] Size of priv_data in bytes * @num_devices: [in/out] Number of GPUs used by process. Size of @devices array. * @num_bos [in/out] Number of BOs used by process. Size of @bos array. * @num_objects: [in/out] Number of objects used by process. Objects are opaque to * user application. * @pid: [in/out] PID of the process being checkpointed * @op [in] Type of operation (kfd_criu_op) * * Return: 0 on success, -errno on failure */ struct kfd_ioctl_criu_args { __u64 devices; /* Used during ops: CHECKPOINT, RESTORE */ __u64 bos; /* Used during ops: CHECKPOINT, RESTORE */ __u64 priv_data; /* Used during ops: CHECKPOINT, RESTORE */ __u64 priv_data_size; /* Used during ops: PROCESS_INFO, RESTORE */ __u32 num_devices; /* Used during ops: PROCESS_INFO, RESTORE */ __u32 num_bos; /* Used during ops: PROCESS_INFO, RESTORE */ __u32 num_objects; /* Used during ops: PROCESS_INFO, RESTORE */ __u32 pid; /* Used during ops: PROCESS_INFO, RESUME */ __u32 op; }; struct kfd_criu_device_bucket { __u32 user_gpu_id; __u32 actual_gpu_id; __u32 drm_fd; __u32 pad; }; struct kfd_criu_bo_bucket { __u64 addr; __u64 size; __u64 offset; __u64 restored_offset; /* During restore, updated offset for BO */ __u32 gpu_id; /* This is the user_gpu_id */ __u32 alloc_flags; __u32 dmabuf_fd; __u32 pad; }; /* CRIU IOCTLs - END */ /**************************************************************************************************/ /* Register offset inside the remapped mmio page */ enum kfd_mmio_remap { KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL = 0, KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL = 4, }; /* Guarantee host access to memory */ #define KFD_IOCTL_SVM_FLAG_HOST_ACCESS 0x00000001 /* Fine grained coherency between all devices with access */ #define KFD_IOCTL_SVM_FLAG_COHERENT 0x00000002 /* Use any GPU in same hive as preferred device */ #define KFD_IOCTL_SVM_FLAG_HIVE_LOCAL 0x00000004 /* GPUs only read, allows replication */ #define KFD_IOCTL_SVM_FLAG_GPU_RO 0x00000008 /* Allow execution on GPU */ #define KFD_IOCTL_SVM_FLAG_GPU_EXEC 0x00000010 /* GPUs mostly read, may allow similar optimizations as RO, but writes fault */ #define KFD_IOCTL_SVM_FLAG_GPU_READ_MOSTLY 0x00000020 /* Keep GPU memory mapping always valid as if XNACK is disable */ #define KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED 0x00000040 /* Fine grained coherency between all devices using device-scope atomics */ #define KFD_IOCTL_SVM_FLAG_EXT_COHERENT 0x00000080 /** * kfd_ioctl_svm_op - SVM ioctl operations * * @KFD_IOCTL_SVM_OP_SET_ATTR: Modify one or more attributes * @KFD_IOCTL_SVM_OP_GET_ATTR: Query one or more attributes */ enum kfd_ioctl_svm_op { KFD_IOCTL_SVM_OP_SET_ATTR, KFD_IOCTL_SVM_OP_GET_ATTR }; /** kfd_ioctl_svm_location - Enum for preferred and prefetch locations * * GPU IDs are used to specify GPUs as preferred and prefetch locations. * Below definitions are used for system memory or for leaving the preferred * location unspecified. */ enum kfd_ioctl_svm_location { KFD_IOCTL_SVM_LOCATION_SYSMEM = 0, KFD_IOCTL_SVM_LOCATION_UNDEFINED = 0xffffffff }; /** * kfd_ioctl_svm_attr_type - SVM attribute types * * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC: gpuid of the preferred location, 0 for * system memory * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC: gpuid of the prefetch location, 0 for * system memory. Setting this triggers an * immediate prefetch (migration). * @KFD_IOCTL_SVM_ATTR_ACCESS: * @KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE: * @KFD_IOCTL_SVM_ATTR_NO_ACCESS: specify memory access for the gpuid given * by the attribute value * @KFD_IOCTL_SVM_ATTR_SET_FLAGS: bitmask of flags to set (see * KFD_IOCTL_SVM_FLAG_...) * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS: bitmask of flags to clear * @KFD_IOCTL_SVM_ATTR_GRANULARITY: migration granularity * (log2 num pages) */ enum kfd_ioctl_svm_attr_type { KFD_IOCTL_SVM_ATTR_PREFERRED_LOC, KFD_IOCTL_SVM_ATTR_PREFETCH_LOC, KFD_IOCTL_SVM_ATTR_ACCESS, KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE, KFD_IOCTL_SVM_ATTR_NO_ACCESS, KFD_IOCTL_SVM_ATTR_SET_FLAGS, KFD_IOCTL_SVM_ATTR_CLR_FLAGS, KFD_IOCTL_SVM_ATTR_GRANULARITY }; /** * kfd_ioctl_svm_attribute - Attributes as pairs of type and value * * The meaning of the @value depends on the attribute type. * * @type: attribute type (see enum @kfd_ioctl_svm_attr_type) * @value: attribute value */ struct kfd_ioctl_svm_attribute { __u32 type; __u32 value; }; /** * kfd_ioctl_svm_args - Arguments for SVM ioctl * * @op specifies the operation to perform (see enum * @kfd_ioctl_svm_op). @start_addr and @size are common for all * operations. * * A variable number of attributes can be given in @attrs. * @nattr specifies the number of attributes. New attributes can be * added in the future without breaking the ABI. If unknown attributes * are given, the function returns -EINVAL. * * @KFD_IOCTL_SVM_OP_SET_ATTR sets attributes for a virtual address * range. It may overlap existing virtual address ranges. If it does, * the existing ranges will be split such that the attribute changes * only apply to the specified address range. * * @KFD_IOCTL_SVM_OP_GET_ATTR returns the intersection of attributes * over all memory in the given range and returns the result as the * attribute value. If different pages have different preferred or * prefetch locations, 0xffffffff will be returned for * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC or * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC resepctively. For * @KFD_IOCTL_SVM_ATTR_SET_FLAGS, flags of all pages will be * aggregated by bitwise AND. That means, a flag will be set in the * output, if that flag is set for all pages in the range. For * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS, flags of all pages will be * aggregated by bitwise NOR. That means, a flag will be set in the * output, if that flag is clear for all pages in the range. * The minimum migration granularity throughout the range will be * returned for @KFD_IOCTL_SVM_ATTR_GRANULARITY. * * Querying of accessibility attributes works by initializing the * attribute type to @KFD_IOCTL_SVM_ATTR_ACCESS and the value to the * GPUID being queried. Multiple attributes can be given to allow * querying multiple GPUIDs. The ioctl function overwrites the * attribute type to indicate the access for the specified GPU. */ struct kfd_ioctl_svm_args { __u64 start_addr; __u64 size; __u32 op; __u32 nattr; /* Variable length array of attributes */ struct kfd_ioctl_svm_attribute attrs[]; }; /** * kfd_ioctl_set_xnack_mode_args - Arguments for set_xnack_mode * * @xnack_enabled: [in/out] Whether to enable XNACK mode for this process * * @xnack_enabled indicates whether recoverable page faults should be * enabled for the current process. 0 means disabled, positive means * enabled, negative means leave unchanged. If enabled, virtual address * translations on GFXv9 and later AMD GPUs can return XNACK and retry * the access until a valid PTE is available. This is used to implement * device page faults. * * On output, @xnack_enabled returns the (new) current mode (0 or * positive). Therefore, a negative input value can be used to query * the current mode without changing it. * * The XNACK mode fundamentally changes the way SVM managed memory works * in the driver, with subtle effects on application performance and * functionality. * * Enabling XNACK mode requires shader programs to be compiled * differently. Furthermore, not all GPUs support changing the mode * per-process. Therefore changing the mode is only allowed while no * user mode queues exist in the process. This ensure that no shader * code is running that may be compiled for the wrong mode. And GPUs * that cannot change to the requested mode will prevent the XNACK * mode from occurring. All GPUs used by the process must be in the * same XNACK mode. * * GFXv8 or older GPUs do not support 48 bit virtual addresses or SVM. * Therefore those GPUs are not considered for the XNACK mode switch. * * Return: 0 on success, -errno on failure */ struct kfd_ioctl_set_xnack_mode_args { __s32 xnack_enabled; }; /* Wave launch override modes */ enum kfd_dbg_trap_override_mode { KFD_DBG_TRAP_OVERRIDE_OR = 0, KFD_DBG_TRAP_OVERRIDE_REPLACE = 1 }; /* Wave launch overrides */ enum kfd_dbg_trap_mask { KFD_DBG_TRAP_MASK_FP_INVALID = 1, KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL = 2, KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO = 4, KFD_DBG_TRAP_MASK_FP_OVERFLOW = 8, KFD_DBG_TRAP_MASK_FP_UNDERFLOW = 16, KFD_DBG_TRAP_MASK_FP_INEXACT = 32, KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO = 64, KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH = 128, KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION = 256, KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START = (1 << 30), KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END = (1 << 31) }; /* Wave launch modes */ enum kfd_dbg_trap_wave_launch_mode { KFD_DBG_TRAP_WAVE_LAUNCH_MODE_NORMAL = 0, KFD_DBG_TRAP_WAVE_LAUNCH_MODE_HALT = 1, KFD_DBG_TRAP_WAVE_LAUNCH_MODE_DEBUG = 3 }; /* Address watch modes */ enum kfd_dbg_trap_address_watch_mode { KFD_DBG_TRAP_ADDRESS_WATCH_MODE_READ = 0, KFD_DBG_TRAP_ADDRESS_WATCH_MODE_NONREAD = 1, KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ATOMIC = 2, KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ALL = 3 }; /* Additional wave settings */ enum kfd_dbg_trap_flags { KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP = 1, KFD_DBG_TRAP_FLAG_SINGLE_ALU_OP = 2, }; /* Trap exceptions */ enum kfd_dbg_trap_exception_code { EC_NONE = 0, /* per queue */ EC_QUEUE_WAVE_ABORT = 1, EC_QUEUE_WAVE_TRAP = 2, EC_QUEUE_WAVE_MATH_ERROR = 3, EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION = 4, EC_QUEUE_WAVE_MEMORY_VIOLATION = 5, EC_QUEUE_WAVE_APERTURE_VIOLATION = 6, EC_QUEUE_PACKET_DISPATCH_DIM_INVALID = 16, EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID = 17, EC_QUEUE_PACKET_DISPATCH_CODE_INVALID = 18, EC_QUEUE_PACKET_RESERVED = 19, EC_QUEUE_PACKET_UNSUPPORTED = 20, EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID = 21, EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID = 22, EC_QUEUE_PACKET_VENDOR_UNSUPPORTED = 23, EC_QUEUE_PREEMPTION_ERROR = 30, EC_QUEUE_NEW = 31, /* per device */ EC_DEVICE_QUEUE_DELETE = 32, EC_DEVICE_MEMORY_VIOLATION = 33, EC_DEVICE_RAS_ERROR = 34, EC_DEVICE_FATAL_HALT = 35, EC_DEVICE_NEW = 36, /* per process */ EC_PROCESS_RUNTIME = 48, EC_PROCESS_DEVICE_REMOVE = 49, EC_MAX }; /* Mask generated by ecode in kfd_dbg_trap_exception_code */ #define KFD_EC_MASK(ecode) (1ULL << (ecode - 1)) /* Masks for exception code type checks below */ #define KFD_EC_MASK_QUEUE (KFD_EC_MASK(EC_QUEUE_WAVE_ABORT) | \ KFD_EC_MASK(EC_QUEUE_WAVE_TRAP) | \ KFD_EC_MASK(EC_QUEUE_WAVE_MATH_ERROR) | \ KFD_EC_MASK(EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION) | \ KFD_EC_MASK(EC_QUEUE_WAVE_MEMORY_VIOLATION) | \ KFD_EC_MASK(EC_QUEUE_WAVE_APERTURE_VIOLATION) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) | \ KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED) | \ KFD_EC_MASK(EC_QUEUE_PREEMPTION_ERROR) | \ KFD_EC_MASK(EC_QUEUE_NEW)) #define KFD_EC_MASK_DEVICE (KFD_EC_MASK(EC_DEVICE_QUEUE_DELETE) | \ KFD_EC_MASK(EC_DEVICE_RAS_ERROR) | \ KFD_EC_MASK(EC_DEVICE_FATAL_HALT) | \ KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION) | \ KFD_EC_MASK(EC_DEVICE_NEW)) #define KFD_EC_MASK_PROCESS (KFD_EC_MASK(EC_PROCESS_RUNTIME) | \ KFD_EC_MASK(EC_PROCESS_DEVICE_REMOVE)) #define KFD_EC_MASK_PACKET (KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) | \ KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) | \ KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED)) /* Checks for exception code types for KFD search */ #define KFD_DBG_EC_IS_VALID(ecode) (ecode > EC_NONE && ecode < EC_MAX) #define KFD_DBG_EC_TYPE_IS_QUEUE(ecode) \ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_QUEUE)) #define KFD_DBG_EC_TYPE_IS_DEVICE(ecode) \ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_DEVICE)) #define KFD_DBG_EC_TYPE_IS_PROCESS(ecode) \ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PROCESS)) #define KFD_DBG_EC_TYPE_IS_PACKET(ecode) \ (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PACKET)) /* Runtime enable states */ enum kfd_dbg_runtime_state { DEBUG_RUNTIME_STATE_DISABLED = 0, DEBUG_RUNTIME_STATE_ENABLED = 1, DEBUG_RUNTIME_STATE_ENABLED_BUSY = 2, DEBUG_RUNTIME_STATE_ENABLED_ERROR = 3 }; /* Runtime enable status */ struct kfd_runtime_info { __u64 r_debug; __u32 runtime_state; __u32 ttmp_setup; }; /* Enable modes for runtime enable */ #define KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK 1 #define KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK 2 /** * kfd_ioctl_runtime_enable_args - Arguments for runtime enable * * Coordinates debug exception signalling and debug device enablement with runtime. * * @r_debug - pointer to user struct for sharing information between ROCr and the debuggger * @mode_mask - mask to set mode * KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK - enable runtime for debugging, otherwise disable * KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK - enable trap temporary setup (ignore on disable) * @capabilities_mask - mask to notify runtime on what KFD supports * * Return - 0 on SUCCESS. * - EBUSY if runtime enable call already pending. * - EEXIST if user queues already active prior to call. * If process is debug enabled, runtime enable will enable debug devices and * wait for debugger process to send runtime exception EC_PROCESS_RUNTIME * to unblock - see kfd_ioctl_dbg_trap_args. * */ struct kfd_ioctl_runtime_enable_args { __u64 r_debug; __u32 mode_mask; __u32 capabilities_mask; }; /* Queue information */ struct kfd_queue_snapshot_entry { __u64 exception_status; __u64 ring_base_address; __u64 write_pointer_address; __u64 read_pointer_address; __u64 ctx_save_restore_address; __u32 queue_id; __u32 gpu_id; __u32 ring_size; __u32 queue_type; __u32 ctx_save_restore_area_size; __u32 reserved; }; /* Queue status return for suspend/resume */ #define KFD_DBG_QUEUE_ERROR_BIT 30 #define KFD_DBG_QUEUE_INVALID_BIT 31 #define KFD_DBG_QUEUE_ERROR_MASK (1 << KFD_DBG_QUEUE_ERROR_BIT) #define KFD_DBG_QUEUE_INVALID_MASK (1 << KFD_DBG_QUEUE_INVALID_BIT) /* Context save area header information */ struct kfd_context_save_area_header { struct { __u32 control_stack_offset; __u32 control_stack_size; __u32 wave_state_offset; __u32 wave_state_size; } wave_state; __u32 debug_offset; __u32 debug_size; __u64 err_payload_addr; __u32 err_event_id; __u32 reserved1; }; /* * Debug operations * * For specifics on usage and return values, see documentation per operation * below. Otherwise, generic error returns apply: * - ESRCH if the process to debug does not exist. * * - EINVAL (with KFD_IOC_DBG_TRAP_ENABLE exempt) if operation * KFD_IOC_DBG_TRAP_ENABLE has not succeeded prior. * Also returns this error if GPU hardware scheduling is not supported. * * - EPERM (with KFD_IOC_DBG_TRAP_DISABLE exempt) if target process is not * PTRACE_ATTACHED. KFD_IOC_DBG_TRAP_DISABLE is exempt to allow * clean up of debug mode as long as process is debug enabled. * * - EACCES if any DBG_HW_OP (debug hardware operation) is requested when * AMDKFD_IOC_RUNTIME_ENABLE has not succeeded prior. * * - ENODEV if any GPU does not support debugging on a DBG_HW_OP call. * * - Other errors may be returned when a DBG_HW_OP occurs while the GPU * is in a fatal state. * */ enum kfd_dbg_trap_operations { KFD_IOC_DBG_TRAP_ENABLE = 0, KFD_IOC_DBG_TRAP_DISABLE = 1, KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT = 2, KFD_IOC_DBG_TRAP_SET_EXCEPTIONS_ENABLED = 3, KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE = 4, /* DBG_HW_OP */ KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE = 5, /* DBG_HW_OP */ KFD_IOC_DBG_TRAP_SUSPEND_QUEUES = 6, /* DBG_HW_OP */ KFD_IOC_DBG_TRAP_RESUME_QUEUES = 7, /* DBG_HW_OP */ KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH = 8, /* DBG_HW_OP */ KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH = 9, /* DBG_HW_OP */ KFD_IOC_DBG_TRAP_SET_FLAGS = 10, KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT = 11, KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO = 12, KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT = 13, KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT = 14 }; /** * kfd_ioctl_dbg_trap_enable_args * * Arguments for KFD_IOC_DBG_TRAP_ENABLE. * * Enables debug session for target process. Call @op KFD_IOC_DBG_TRAP_DISABLE in * kfd_ioctl_dbg_trap_args to disable debug session. * * @exception_mask (IN) - exceptions to raise to the debugger * @rinfo_ptr (IN) - pointer to runtime info buffer (see kfd_runtime_info) * @rinfo_size (IN/OUT) - size of runtime info buffer in bytes * @dbg_fd (IN) - fd the KFD will nofify the debugger with of raised * exceptions set in exception_mask. * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * Copies KFD saved kfd_runtime_info to @rinfo_ptr on enable. * Size of kfd_runtime saved by the KFD returned to @rinfo_size. * - EBADF if KFD cannot get a reference to dbg_fd. * - EFAULT if KFD cannot copy runtime info to rinfo_ptr. * - EINVAL if target process is already debug enabled. * */ struct kfd_ioctl_dbg_trap_enable_args { __u64 exception_mask; __u64 rinfo_ptr; __u32 rinfo_size; __u32 dbg_fd; }; /** * kfd_ioctl_dbg_trap_send_runtime_event_args * * * Arguments for KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT. * Raises exceptions to runtime. * * @exception_mask (IN) - exceptions to raise to runtime * @gpu_id (IN) - target device id * @queue_id (IN) - target queue id * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * - ENODEV if gpu_id not found. * If exception_mask contains EC_PROCESS_RUNTIME, unblocks pending * AMDKFD_IOC_RUNTIME_ENABLE call - see kfd_ioctl_runtime_enable_args. * All other exceptions are raised to runtime through err_payload_addr. * See kfd_context_save_area_header. */ struct kfd_ioctl_dbg_trap_send_runtime_event_args { __u64 exception_mask; __u32 gpu_id; __u32 queue_id; }; /** * kfd_ioctl_dbg_trap_set_exceptions_enabled_args * * Arguments for KFD_IOC_SET_EXCEPTIONS_ENABLED * Set new exceptions to be raised to the debugger. * * @exception_mask (IN) - new exceptions to raise the debugger * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. */ struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args { __u64 exception_mask; }; /** * kfd_ioctl_dbg_trap_set_wave_launch_override_args * * Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE * Enable HW exceptions to raise trap. * * @override_mode (IN) - see kfd_dbg_trap_override_mode * @enable_mask (IN/OUT) - reference kfd_dbg_trap_mask. * IN is the override modes requested to be enabled. * OUT is referenced in Return below. * @support_request_mask (IN/OUT) - reference kfd_dbg_trap_mask. * IN is the override modes requested for support check. * OUT is referenced in Return below. * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * Previous enablement is returned in @enable_mask. * Actual override support is returned in @support_request_mask. * - EINVAL if override mode is not supported. * - EACCES if trap support requested is not actually supported. * i.e. enable_mask (IN) is not a subset of support_request_mask (OUT). * Otherwise it is considered a generic error (see kfd_dbg_trap_operations). */ struct kfd_ioctl_dbg_trap_set_wave_launch_override_args { __u32 override_mode; __u32 enable_mask; __u32 support_request_mask; __u32 pad; }; /** * kfd_ioctl_dbg_trap_set_wave_launch_mode_args * * Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE * Set wave launch mode. * * @mode (IN) - see kfd_dbg_trap_wave_launch_mode * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. */ struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args { __u32 launch_mode; __u32 pad; }; /** * kfd_ioctl_dbg_trap_suspend_queues_ags * * Arguments for KFD_IOC_DBG_TRAP_SUSPEND_QUEUES * Suspend queues. * * @exception_mask (IN) - raised exceptions to clear * @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id) * to suspend * @num_queues (IN) - number of queues to suspend in @queue_array_ptr * @grace_period (IN) - wave time allowance before preemption * per 1K GPU clock cycle unit * * Generic errors apply (see kfd_dbg_trap_operations). * Destruction of a suspended queue is blocked until the queue is * resumed. This allows the debugger to access queue information and * the its context save area without running into a race condition on * queue destruction. * Automatically copies per queue context save area header information * into the save area base * (see kfd_queue_snapshot_entry and kfd_context_save_area_header). * * Return - Number of queues suspended on SUCCESS. * . KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK masked * for each queue id in @queue_array_ptr array reports unsuccessful * suspend reason. * KFD_DBG_QUEUE_ERROR_MASK = HW failure. * KFD_DBG_QUEUE_INVALID_MASK = queue does not exist, is new or * is being destroyed. */ struct kfd_ioctl_dbg_trap_suspend_queues_args { __u64 exception_mask; __u64 queue_array_ptr; __u32 num_queues; __u32 grace_period; }; /** * kfd_ioctl_dbg_trap_resume_queues_args * * Arguments for KFD_IOC_DBG_TRAP_RESUME_QUEUES * Resume queues. * * @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id) * to resume * @num_queues (IN) - number of queues to resume in @queue_array_ptr * * Generic errors apply (see kfd_dbg_trap_operations). * Return - Number of queues resumed on SUCCESS. * KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK mask * for each queue id in @queue_array_ptr array reports unsuccessful * resume reason. * KFD_DBG_QUEUE_ERROR_MASK = HW failure. * KFD_DBG_QUEUE_INVALID_MASK = queue does not exist. */ struct kfd_ioctl_dbg_trap_resume_queues_args { __u64 queue_array_ptr; __u32 num_queues; __u32 pad; }; /** * kfd_ioctl_dbg_trap_set_node_address_watch_args * * Arguments for KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH * Sets address watch for device. * * @address (IN) - watch address to set * @mode (IN) - see kfd_dbg_trap_address_watch_mode * @mask (IN) - watch address mask * @gpu_id (IN) - target gpu to set watch point * @id (OUT) - watch id allocated * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * Allocated watch ID returned to @id. * - ENODEV if gpu_id not found. * - ENOMEM if watch IDs can be allocated */ struct kfd_ioctl_dbg_trap_set_node_address_watch_args { __u64 address; __u32 mode; __u32 mask; __u32 gpu_id; __u32 id; }; /** * kfd_ioctl_dbg_trap_clear_node_address_watch_args * * Arguments for KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH * Clear address watch for device. * * @gpu_id (IN) - target device to clear watch point * @id (IN) - allocated watch id to clear * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * - ENODEV if gpu_id not found. * - EINVAL if watch ID has not been allocated. */ struct kfd_ioctl_dbg_trap_clear_node_address_watch_args { __u32 gpu_id; __u32 id; }; /** * kfd_ioctl_dbg_trap_set_flags_args * * Arguments for KFD_IOC_DBG_TRAP_SET_FLAGS * Sets flags for wave behaviour. * * @flags (IN/OUT) - IN = flags to enable, OUT = flags previously enabled * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * - EACCESS if any debug device does not allow flag options. */ struct kfd_ioctl_dbg_trap_set_flags_args { __u32 flags; __u32 pad; }; /** * kfd_ioctl_dbg_trap_query_debug_event_args * * Arguments for KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT * * Find one or more raised exceptions. This function can return multiple * exceptions from a single queue or a single device with one call. To find * all raised exceptions, this function must be called repeatedly until it * returns -EAGAIN. Returned exceptions can optionally be cleared by * setting the corresponding bit in the @exception_mask input parameter. * However, clearing an exception prevents retrieving further information * about it with KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO. * * @exception_mask (IN/OUT) - exception to clear (IN) and raised (OUT) * @gpu_id (OUT) - gpu id of exceptions raised * @queue_id (OUT) - queue id of exceptions raised * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on raised exception found * Raised exceptions found are returned in @exception mask * with reported source id returned in @gpu_id or @queue_id. * - EAGAIN if no raised exception has been found */ struct kfd_ioctl_dbg_trap_query_debug_event_args { __u64 exception_mask; __u32 gpu_id; __u32 queue_id; }; /** * kfd_ioctl_dbg_trap_query_exception_info_args * * Arguments KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO * Get additional info on raised exception. * * @info_ptr (IN) - pointer to exception info buffer to copy to * @info_size (IN/OUT) - exception info buffer size (bytes) * @source_id (IN) - target gpu or queue id * @exception_code (IN) - target exception * @clear_exception (IN) - clear raised @exception_code exception * (0 = false, 1 = true) * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * If @exception_code is EC_DEVICE_MEMORY_VIOLATION, copy @info_size(OUT) * bytes of memory exception data to @info_ptr. * If @exception_code is EC_PROCESS_RUNTIME, copy saved * kfd_runtime_info to @info_ptr. * Actual required @info_ptr size (bytes) is returned in @info_size. */ struct kfd_ioctl_dbg_trap_query_exception_info_args { __u64 info_ptr; __u32 info_size; __u32 source_id; __u32 exception_code; __u32 clear_exception; }; /** * kfd_ioctl_dbg_trap_get_queue_snapshot_args * * Arguments KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT * Get queue information. * * @exception_mask (IN) - exceptions raised to clear * @snapshot_buf_ptr (IN) - queue snapshot entry buffer (see kfd_queue_snapshot_entry) * @num_queues (IN/OUT) - number of queue snapshot entries * The debugger specifies the size of the array allocated in @num_queues. * KFD returns the number of queues that actually existed. If this is * larger than the size specified by the debugger, KFD will not overflow * the array allocated by the debugger. * * @entry_size (IN/OUT) - size per entry in bytes * The debugger specifies sizeof(struct kfd_queue_snapshot_entry) in * @entry_size. KFD returns the number of bytes actually populated per * entry. The debugger should use the KFD_IOCTL_MINOR_VERSION to determine, * which fields in struct kfd_queue_snapshot_entry are valid. This allows * growing the ABI in a backwards compatible manner. * Note that entry_size(IN) should still be used to stride the snapshot buffer in the * event that it's larger than actual kfd_queue_snapshot_entry. * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * Copies @num_queues(IN) queue snapshot entries of size @entry_size(IN) * into @snapshot_buf_ptr if @num_queues(IN) > 0. * Otherwise return @num_queues(OUT) queue snapshot entries that exist. */ struct kfd_ioctl_dbg_trap_queue_snapshot_args { __u64 exception_mask; __u64 snapshot_buf_ptr; __u32 num_queues; __u32 entry_size; }; /** * kfd_ioctl_dbg_trap_get_device_snapshot_args * * Arguments for KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT * Get device information. * * @exception_mask (IN) - exceptions raised to clear * @snapshot_buf_ptr (IN) - pointer to snapshot buffer (see kfd_dbg_device_info_entry) * @num_devices (IN/OUT) - number of debug devices to snapshot * The debugger specifies the size of the array allocated in @num_devices. * KFD returns the number of devices that actually existed. If this is * larger than the size specified by the debugger, KFD will not overflow * the array allocated by the debugger. * * @entry_size (IN/OUT) - size per entry in bytes * The debugger specifies sizeof(struct kfd_dbg_device_info_entry) in * @entry_size. KFD returns the number of bytes actually populated. The * debugger should use KFD_IOCTL_MINOR_VERSION to determine, which fields * in struct kfd_dbg_device_info_entry are valid. This allows growing the * ABI in a backwards compatible manner. * Note that entry_size(IN) should still be used to stride the snapshot buffer in the * event that it's larger than actual kfd_dbg_device_info_entry. * * Generic errors apply (see kfd_dbg_trap_operations). * Return - 0 on SUCCESS. * Copies @num_devices(IN) device snapshot entries of size @entry_size(IN) * into @snapshot_buf_ptr if @num_devices(IN) > 0. * Otherwise return @num_devices(OUT) queue snapshot entries that exist. */ struct kfd_ioctl_dbg_trap_device_snapshot_args { __u64 exception_mask; __u64 snapshot_buf_ptr; __u32 num_devices; __u32 entry_size; }; /** * kfd_ioctl_dbg_trap_args * * Arguments to debug target process. * * @pid - target process to debug * @op - debug operation (see kfd_dbg_trap_operations) * * @op determines which union struct args to use. * Refer to kern docs for each kfd_ioctl_dbg_trap_*_args struct. */ struct kfd_ioctl_dbg_trap_args { __u32 pid; __u32 op; union { struct kfd_ioctl_dbg_trap_enable_args enable; struct kfd_ioctl_dbg_trap_send_runtime_event_args send_runtime_event; struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args set_exceptions_enabled; struct kfd_ioctl_dbg_trap_set_wave_launch_override_args launch_override; struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args launch_mode; struct kfd_ioctl_dbg_trap_suspend_queues_args suspend_queues; struct kfd_ioctl_dbg_trap_resume_queues_args resume_queues; struct kfd_ioctl_dbg_trap_set_node_address_watch_args set_node_address_watch; struct kfd_ioctl_dbg_trap_clear_node_address_watch_args clear_node_address_watch; struct kfd_ioctl_dbg_trap_set_flags_args set_flags; struct kfd_ioctl_dbg_trap_query_debug_event_args query_debug_event; struct kfd_ioctl_dbg_trap_query_exception_info_args query_exception_info; struct kfd_ioctl_dbg_trap_queue_snapshot_args queue_snapshot; struct kfd_ioctl_dbg_trap_device_snapshot_args device_snapshot; }; }; #define AMDKFD_IOCTL_BASE 'K' #define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr) #define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type) #define AMDKFD_IOW(nr, type) _IOW(AMDKFD_IOCTL_BASE, nr, type) #define AMDKFD_IOWR(nr, type) _IOWR(AMDKFD_IOCTL_BASE, nr, type) #define AMDKFD_IOC_GET_VERSION \ AMDKFD_IOR(0x01, struct kfd_ioctl_get_version_args) #define AMDKFD_IOC_CREATE_QUEUE \ AMDKFD_IOWR(0x02, struct kfd_ioctl_create_queue_args) #define AMDKFD_IOC_DESTROY_QUEUE \ AMDKFD_IOWR(0x03, struct kfd_ioctl_destroy_queue_args) #define AMDKFD_IOC_SET_MEMORY_POLICY \ AMDKFD_IOW(0x04, struct kfd_ioctl_set_memory_policy_args) #define AMDKFD_IOC_GET_CLOCK_COUNTERS \ AMDKFD_IOWR(0x05, struct kfd_ioctl_get_clock_counters_args) #define AMDKFD_IOC_GET_PROCESS_APERTURES \ AMDKFD_IOR(0x06, struct kfd_ioctl_get_process_apertures_args) #define AMDKFD_IOC_UPDATE_QUEUE \ AMDKFD_IOW(0x07, struct kfd_ioctl_update_queue_args) #define AMDKFD_IOC_CREATE_EVENT \ AMDKFD_IOWR(0x08, struct kfd_ioctl_create_event_args) #define AMDKFD_IOC_DESTROY_EVENT \ AMDKFD_IOW(0x09, struct kfd_ioctl_destroy_event_args) #define AMDKFD_IOC_SET_EVENT \ AMDKFD_IOW(0x0A, struct kfd_ioctl_set_event_args) #define AMDKFD_IOC_RESET_EVENT \ AMDKFD_IOW(0x0B, struct kfd_ioctl_reset_event_args) #define AMDKFD_IOC_WAIT_EVENTS \ AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args) #define AMDKFD_IOC_DBG_REGISTER_DEPRECATED \ AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args) #define AMDKFD_IOC_DBG_UNREGISTER_DEPRECATED \ AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args) #define AMDKFD_IOC_DBG_ADDRESS_WATCH_DEPRECATED \ AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args) #define AMDKFD_IOC_DBG_WAVE_CONTROL_DEPRECATED \ AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args) #define AMDKFD_IOC_SET_SCRATCH_BACKING_VA \ AMDKFD_IOWR(0x11, struct kfd_ioctl_set_scratch_backing_va_args) #define AMDKFD_IOC_GET_TILE_CONFIG \ AMDKFD_IOWR(0x12, struct kfd_ioctl_get_tile_config_args) #define AMDKFD_IOC_SET_TRAP_HANDLER \ AMDKFD_IOW(0x13, struct kfd_ioctl_set_trap_handler_args) #define AMDKFD_IOC_GET_PROCESS_APERTURES_NEW \ AMDKFD_IOWR(0x14, \ struct kfd_ioctl_get_process_apertures_new_args) #define AMDKFD_IOC_ACQUIRE_VM \ AMDKFD_IOW(0x15, struct kfd_ioctl_acquire_vm_args) #define AMDKFD_IOC_ALLOC_MEMORY_OF_GPU \ AMDKFD_IOWR(0x16, struct kfd_ioctl_alloc_memory_of_gpu_args) #define AMDKFD_IOC_FREE_MEMORY_OF_GPU \ AMDKFD_IOW(0x17, struct kfd_ioctl_free_memory_of_gpu_args) #define AMDKFD_IOC_MAP_MEMORY_TO_GPU \ AMDKFD_IOWR(0x18, struct kfd_ioctl_map_memory_to_gpu_args) #define AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU \ AMDKFD_IOWR(0x19, struct kfd_ioctl_unmap_memory_from_gpu_args) #define AMDKFD_IOC_SET_CU_MASK \ AMDKFD_IOW(0x1A, struct kfd_ioctl_set_cu_mask_args) #define AMDKFD_IOC_GET_QUEUE_WAVE_STATE \ AMDKFD_IOWR(0x1B, struct kfd_ioctl_get_queue_wave_state_args) #define AMDKFD_IOC_GET_DMABUF_INFO \ AMDKFD_IOWR(0x1C, struct kfd_ioctl_get_dmabuf_info_args) #define AMDKFD_IOC_IMPORT_DMABUF \ AMDKFD_IOWR(0x1D, struct kfd_ioctl_import_dmabuf_args) #define AMDKFD_IOC_ALLOC_QUEUE_GWS \ AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args) #define AMDKFD_IOC_SMI_EVENTS \ AMDKFD_IOWR(0x1F, struct kfd_ioctl_smi_events_args) #define AMDKFD_IOC_SVM AMDKFD_IOWR(0x20, struct kfd_ioctl_svm_args) #define AMDKFD_IOC_SET_XNACK_MODE \ AMDKFD_IOWR(0x21, struct kfd_ioctl_set_xnack_mode_args) #define AMDKFD_IOC_CRIU_OP \ AMDKFD_IOWR(0x22, struct kfd_ioctl_criu_args) #define AMDKFD_IOC_AVAILABLE_MEMORY \ AMDKFD_IOWR(0x23, struct kfd_ioctl_get_available_memory_args) #define AMDKFD_IOC_EXPORT_DMABUF \ AMDKFD_IOWR(0x24, struct kfd_ioctl_export_dmabuf_args) #define AMDKFD_IOC_RUNTIME_ENABLE \ AMDKFD_IOWR(0x25, struct kfd_ioctl_runtime_enable_args) #define AMDKFD_IOC_DBG_TRAP \ AMDKFD_IOWR(0x26, struct kfd_ioctl_dbg_trap_args) #define AMDKFD_COMMAND_START 0x01 #define AMDKFD_COMMAND_END 0x27 #endif