v4.19.13 snapshot.
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
new file mode 100644
index 0000000..71a87c3
--- /dev/null
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -0,0 +1,481 @@
+/*
+ * 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 */
+ __u32 ctx_save_restore_size; /* to KFD */
+ __u32 ctl_stack_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 */
+};
+
+struct kfd_ioctl_set_cu_mask_args {
+ __u32 queue_id; /* to KFD */
+ __u32 num_cu_mask; /* to KFD */
+ __u64 cu_mask_ptr; /* 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;
+};
+
+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 */
+};
+
+/* 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
+
+
+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 pad;
+};
+
+/* hw exception data */
+struct kfd_hsa_hw_exception_data {
+ __u32 reset_type;
+ __u32 reset_cause;
+ __u32 memory_lost;
+ __u32 gpu_id;
+};
+
+/* Event data */
+struct kfd_event_data {
+ union {
+ struct kfd_hsa_memory_exception_data memory_exception_data;
+ struct kfd_hsa_hw_exception_data hw_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 {
+ __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)
+/* 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)
+
+/* 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 */
+};
+
+#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_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_COMMAND_START 0x01
+#define AMDKFD_COMMAND_END 0x1B
+
+#endif