| /* |
| * 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 <drm/drm.h> |
| #include <linux/ioctl.h> |
| |
| #define KFD_IOCTL_MAJOR_VERSION 1 |
| #define KFD_IOCTL_MINOR_VERSION 1 |
| |
| 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 0 |
| #define KFD_IOC_QUEUE_TYPE_SDMA 1 |
| #define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 2 |
| |
| #define KFD_MAX_QUEUE_PERCENTAGE 100 |
| #define KFD_MAX_QUEUE_PRIORITY 15 |
| |
| struct kfd_ioctl_create_queue_args { |
| __u64 ring_base_address; /* to KFD */ |
| __u64 write_pointer_address; /* from KFD */ |
| __u64 read_pointer_address; /* from 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 */ |
| __u64 ctx_save_restore_size; /* to KFD */ |
| }; |
| |
| 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 */ |
| }; |
| |
| /* 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 |
| |
| 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 pad; |
| }; |
| |
| /* |
| * 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; |
| }; |
| |
| #define NUM_OF_SUPPORTED_GPUS 7 |
| |
| 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; |
| }; |
| |
| 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; |
| }; |
| |
| #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 */ |
| }; |
| |
| /* 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 256 |
| |
| 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 pad; |
| }; |
| |
| /* memory exception data*/ |
| struct kfd_hsa_memory_exception_data { |
| struct kfd_memory_exception_failure failure; |
| __u64 va; |
| __u32 gpu_id; |
| __u32 pad; |
| }; |
| |
| /* Event data*/ |
| struct kfd_event_data { |
| union { |
| struct kfd_hsa_memory_exception_data memory_exception_data; |
| }; /* From KFD */ |
| __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 { |
| uint64_t va_addr; /* to KFD */ |
| uint32_t gpu_id; /* to KFD */ |
| uint32_t pad; |
| }; |
| |
| struct kfd_ioctl_get_tile_config_args { |
| /* to KFD: pointer to tile array */ |
| uint64_t tile_config_ptr; |
| /* to KFD: pointer to macro tile array */ |
| uint64_t macro_tile_config_ptr; |
| /* to KFD: array size allocated by user mode |
| * from KFD: array size filled by kernel |
| */ |
| uint32_t num_tile_configs; |
| /* to KFD: array size allocated by user mode |
| * from KFD: array size filled by kernel |
| */ |
| uint32_t num_macro_tile_configs; |
| |
| uint32_t gpu_id; /* to KFD */ |
| uint32_t gb_addr_config; /* from KFD */ |
| uint32_t num_banks; /* from KFD */ |
| uint32_t num_ranks; /* from KFD */ |
| /* struct size can be extended later if needed |
| * without breaking ABI compatibility |
| */ |
| }; |
| |
| #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 \ |
| AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args) |
| |
| #define AMDKFD_IOC_DBG_UNREGISTER \ |
| AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args) |
| |
| #define AMDKFD_IOC_DBG_ADDRESS_WATCH \ |
| AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args) |
| |
| #define AMDKFD_IOC_DBG_WAVE_CONTROL \ |
| 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_COMMAND_START 0x01 |
| #define AMDKFD_COMMAND_END 0x13 |
| |
| #endif |