/* SPDX-License-Identifier: MIT */ /* SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. */ #ifndef __NVIF_LOG_H__ #define __NVIF_LOG_H__ #ifdef CONFIG_DEBUG_FS /** * nvif_log - structure for tracking logging buffers * @entry: an entry in a list of struct nvif_logs * @shutdown: pointer to function to call to clean up * * Structure used to track logging buffers so that they can be cleaned up * when the module exits. * * The @shutdown function is called when the module exits. It should free all * backing resources, such as logging buffers. */ struct nvif_log { struct list_head entry; void (*shutdown)(struct nvif_log *log); }; /** * nvif_logs - linked list of nvif_log objects */ struct nvif_logs { struct list_head head; }; #define NVIF_LOGS_DECLARE(logs) \ struct nvif_logs logs = { LIST_HEAD_INIT(logs.head) } static inline void nvif_log_shutdown(struct nvif_logs *logs) { if (!list_empty(&logs->head)) { struct nvif_log *log, *n; list_for_each_entry_safe(log, n, &logs->head, entry) { /* shutdown() should also delete the log entry */ log->shutdown(log); } } } extern struct nvif_logs gsp_logs; #endif #endif