+static void take_release_locks(struct hl_device *hdev)
+{
+ /* Flush anyone that is inside the critical section of enqueue
+ * jobs to the H/W
+ */
+ hdev->asic_funcs->hw_queues_lock(hdev);
+ hdev->asic_funcs->hw_queues_unlock(hdev);
+
+ /* Flush processes that are sending message to CPU */
+ mutex_lock(&hdev->send_cpu_message_lock);
+ mutex_unlock(&hdev->send_cpu_message_lock);
+
+ /* Flush anyone that is inside device open */
+ mutex_lock(&hdev->fpriv_list_lock);
+ mutex_unlock(&hdev->fpriv_list_lock);
+}
+
+static void cleanup_resources(struct hl_device *hdev, bool hard_reset, bool fw_reset)
+{
+ if (hard_reset)
+ device_late_fini(hdev);
+
+ /*
+ * Halt the engines and disable interrupts so we won't get any more
+ * completions from H/W and we won't have any accesses from the
+ * H/W to the host machine
+ */
+ hdev->asic_funcs->halt_engines(hdev, hard_reset, fw_reset);
+
+ /* Go over all the queues, release all CS and their jobs */
+ hl_cs_rollback_all(hdev);
+
+ /* Release all pending user interrupts, each pending user interrupt
+ * holds a reference to user context
+ */
+ hl_release_pending_user_interrupts(hdev);
+}
+