diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_events.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_events.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c index ba2c2ce0c55a..3eea4edee355 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c @@ -1050,3 +1050,44 @@ void kfd_signal_reset_event(struct kfd_dev *dev) } srcu_read_unlock(&kfd_processes_srcu, idx); } + +void kfd_signal_poison_consumed_event(struct kfd_dev *dev, u32 pasid) +{ + struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); + struct kfd_hsa_memory_exception_data memory_exception_data; + struct kfd_hsa_hw_exception_data hw_exception_data; + struct kfd_event *ev; + uint32_t id = KFD_FIRST_NONSIGNAL_EVENT_ID; + + if (!p) + return; /* Presumably process exited. */ + + memset(&hw_exception_data, 0, sizeof(hw_exception_data)); + hw_exception_data.gpu_id = dev->id; + hw_exception_data.memory_lost = 1; + hw_exception_data.reset_cause = KFD_HW_EXCEPTION_ECC; + + memset(&memory_exception_data, 0, sizeof(memory_exception_data)); + memory_exception_data.ErrorType = KFD_MEM_ERR_POISON_CONSUMED; + memory_exception_data.gpu_id = dev->id; + memory_exception_data.failure.imprecise = true; + + mutex_lock(&p->event_mutex); + idr_for_each_entry_continue(&p->event_idr, ev, id) { + if (ev->type == KFD_EVENT_TYPE_HW_EXCEPTION) { + ev->hw_exception_data = hw_exception_data; + set_event(ev); + } + + if (ev->type == KFD_EVENT_TYPE_MEMORY) { + ev->memory_exception_data = memory_exception_data; + set_event(ev); + } + } + mutex_unlock(&p->event_mutex); + + /* user application will handle SIGBUS signal */ + send_sig(SIGBUS, p->lead_thread, 0); + + kfd_unref_process(p); +} |