/* * Copyright 2023 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. */ #include "kfd_debug.h" #include "kfd_device_queue_manager.h" #include "kfd_topology.h" #include <linux/file.h> #include <uapi/linux/kfd_ioctl.h> #include <uapi/linux/kfd_sysfs.h> #define MAX_WATCH_ADDRESSES … int kfd_dbg_ev_query_debug_event(struct kfd_process *process, unsigned int *queue_id, unsigned int *gpu_id, uint64_t exception_clear_mask, uint64_t *event_status) { … } void debug_event_write_work_handler(struct work_struct *work) { … } /* update process/device/queue exception status, write to descriptor * only if exception_status is enabled. */ bool kfd_dbg_ev_raise(uint64_t event_mask, struct kfd_process *process, struct kfd_node *dev, unsigned int source_id, bool use_worker, void *exception_data, size_t exception_data_size) { … } /* set pending event queue entry from ring entry */ bool kfd_set_dbg_ev_from_interrupt(struct kfd_node *dev, unsigned int pasid, uint32_t doorbell_id, uint64_t trap_mask, void *exception_data, size_t exception_data_size) { … } int kfd_dbg_send_exception_to_runtime(struct kfd_process *p, unsigned int dev_id, unsigned int queue_id, uint64_t error_reason) { … } static int kfd_dbg_set_queue_workaround(struct queue *q, bool enable) { … } static int kfd_dbg_set_workaround(struct kfd_process *target, bool enable) { … } int kfd_dbg_set_mes_debug_mode(struct kfd_process_device *pdd, bool sq_trap_en) { … } #define KFD_DEBUGGER_INVALID_WATCH_POINT_ID … static int kfd_dbg_get_dev_watch_id(struct kfd_process_device *pdd, int *watch_id) { … } static void kfd_dbg_clear_dev_watch_id(struct kfd_process_device *pdd, int watch_id) { … } static bool kfd_dbg_owns_dev_watch_id(struct kfd_process_device *pdd, int watch_id) { … } int kfd_dbg_trap_clear_dev_address_watch(struct kfd_process_device *pdd, uint32_t watch_id) { … } int kfd_dbg_trap_set_dev_address_watch(struct kfd_process_device *pdd, uint64_t watch_address, uint32_t watch_address_mask, uint32_t *watch_id, uint32_t watch_mode) { … } static void kfd_dbg_clear_process_address_watch(struct kfd_process *target) { … } int kfd_dbg_trap_set_flags(struct kfd_process *target, uint32_t *flags) { … } /* kfd_dbg_trap_deactivate: * target: target process * unwind: If this is unwinding a failed kfd_dbg_trap_enable() * unwind_count: * If unwind == true, how far down the pdd list we need * to unwind * else: ignored */ void kfd_dbg_trap_deactivate(struct kfd_process *target, bool unwind, int unwind_count) { … } static void kfd_dbg_clean_exception_status(struct kfd_process *target) { … } int kfd_dbg_trap_disable(struct kfd_process *target) { … } int kfd_dbg_trap_activate(struct kfd_process *target) { … } int kfd_dbg_trap_enable(struct kfd_process *target, uint32_t fd, void __user *runtime_info, uint32_t *runtime_size) { … } static int kfd_dbg_validate_trap_override_request(struct kfd_process *p, uint32_t trap_override, uint32_t trap_mask_request, uint32_t *trap_mask_supported) { … } int kfd_dbg_trap_set_wave_launch_override(struct kfd_process *target, uint32_t trap_override, uint32_t trap_mask_bits, uint32_t trap_mask_request, uint32_t *trap_mask_prev, uint32_t *trap_mask_supported) { … } int kfd_dbg_trap_set_wave_launch_mode(struct kfd_process *target, uint8_t wave_launch_mode) { … } int kfd_dbg_trap_query_exception_info(struct kfd_process *target, uint32_t source_id, uint32_t exception_code, bool clear_exception, void __user *info, uint32_t *info_size) { … } int kfd_dbg_trap_device_snapshot(struct kfd_process *target, uint64_t exception_clear_mask, void __user *user_info, uint32_t *number_of_device_infos, uint32_t *entry_size) { … } void kfd_dbg_set_enabled_debug_exception_mask(struct kfd_process *target, uint64_t exception_set_mask) { … }
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