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/* 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
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