1 /* 2 * Copyright 2023 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef KFD_DEBUG_EVENTS_H_INCLUDED 24 #define KFD_DEBUG_EVENTS_H_INCLUDED 25 26 #include "kfd_priv.h" 27 28 void kfd_dbg_trap_deactivate(struct kfd_process *target, bool unwind, int unwind_count); 29 int kfd_dbg_trap_activate(struct kfd_process *target); 30 int kfd_dbg_ev_query_debug_event(struct kfd_process *process, 31 unsigned int *queue_id, 32 unsigned int *gpu_id, 33 uint64_t exception_clear_mask, 34 uint64_t *event_status); 35 bool kfd_set_dbg_ev_from_interrupt(struct kfd_node *dev, 36 unsigned int pasid, 37 uint32_t doorbell_id, 38 uint64_t trap_mask, 39 void *exception_data, 40 size_t exception_data_size); 41 bool kfd_dbg_ev_raise(uint64_t event_mask, 42 struct kfd_process *process, struct kfd_node *dev, 43 unsigned int source_id, bool use_worker, 44 void *exception_data, 45 size_t exception_data_size); 46 int kfd_dbg_trap_disable(struct kfd_process *target); 47 int kfd_dbg_trap_enable(struct kfd_process *target, uint32_t fd, 48 void __user *runtime_info, 49 uint32_t *runtime_info_size); 50 int kfd_dbg_trap_set_wave_launch_override(struct kfd_process *target, 51 uint32_t trap_override, 52 uint32_t trap_mask_bits, 53 uint32_t trap_mask_request, 54 uint32_t *trap_mask_prev, 55 uint32_t *trap_mask_supported); 56 int kfd_dbg_trap_set_wave_launch_mode(struct kfd_process *target, 57 uint8_t wave_launch_mode); 58 int kfd_dbg_trap_clear_dev_address_watch(struct kfd_process_device *pdd, 59 uint32_t watch_id); 60 int kfd_dbg_trap_set_dev_address_watch(struct kfd_process_device *pdd, 61 uint64_t watch_address, 62 uint32_t watch_address_mask, 63 uint32_t *watch_id, 64 uint32_t watch_mode); 65 int kfd_dbg_trap_set_flags(struct kfd_process *target, uint32_t *flags); 66 int kfd_dbg_trap_query_exception_info(struct kfd_process *target, 67 uint32_t source_id, 68 uint32_t exception_code, 69 bool clear_exception, 70 void __user *info, 71 uint32_t *info_size); 72 int kfd_dbg_send_exception_to_runtime(struct kfd_process *p, 73 unsigned int dev_id, 74 unsigned int queue_id, 75 uint64_t error_reason); 76 77 static inline bool kfd_dbg_is_per_vmid_supported(struct kfd_node *dev) 78 { 79 return (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) || 80 KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3) || 81 KFD_GC_VERSION(dev) >= IP_VERSION(11, 0, 0)); 82 } 83 84 void debug_event_write_work_handler(struct work_struct *work); 85 int kfd_dbg_trap_device_snapshot(struct kfd_process *target, 86 uint64_t exception_clear_mask, 87 void __user *user_info, 88 uint32_t *number_of_device_infos, 89 uint32_t *entry_size); 90 91 void kfd_dbg_set_enabled_debug_exception_mask(struct kfd_process *target, 92 uint64_t exception_set_mask); 93 /* 94 * If GFX off is enabled, chips that do not support RLC restore for the debug 95 * registers will disable GFX off temporarily for the entire debug session. 96 * See disable_on_trap_action_entry and enable_on_trap_action_exit for details. 97 */ 98 static inline bool kfd_dbg_is_rlc_restore_supported(struct kfd_node *dev) 99 { 100 return !(KFD_GC_VERSION(dev) == IP_VERSION(10, 1, 10) || 101 KFD_GC_VERSION(dev) == IP_VERSION(10, 1, 1)); 102 } 103 104 static inline bool kfd_dbg_has_gws_support(struct kfd_node *dev) 105 { 106 if ((KFD_GC_VERSION(dev) == IP_VERSION(9, 0, 1) 107 && dev->kfd->mec2_fw_version < 0x81b6) || 108 (KFD_GC_VERSION(dev) >= IP_VERSION(9, 1, 0) 109 && KFD_GC_VERSION(dev) <= IP_VERSION(9, 2, 2) 110 && dev->kfd->mec2_fw_version < 0x1b6) || 111 (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0) 112 && dev->kfd->mec2_fw_version < 0x1b6) || 113 (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) 114 && dev->kfd->mec2_fw_version < 0x30) || 115 (KFD_GC_VERSION(dev) >= IP_VERSION(11, 0, 0) && 116 KFD_GC_VERSION(dev) < IP_VERSION(12, 0, 0))) 117 return false; 118 119 /* Assume debugging and cooperative launch supported otherwise. */ 120 return true; 121 } 122 123 int kfd_dbg_set_mes_debug_mode(struct kfd_process_device *pdd); 124 #endif 125