linux/drivers/net/wireless/ath/ath11k/dbring.c

// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
 * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
 */

#include "core.h"
#include "debug.h"

#define ATH11K_DB_MAGIC_VALUE …

int ath11k_dbring_validate_buffer(struct ath11k *ar, void *buffer, u32 size)
{ … }

static void ath11k_dbring_fill_magic_value(struct ath11k *ar,
					   void *buffer, u32 size)
{ … }

static int ath11k_dbring_bufs_replenish(struct ath11k *ar,
					struct ath11k_dbring *ring,
					struct ath11k_dbring_element *buff,
					enum wmi_direct_buffer_module id)
{ … }

static int ath11k_dbring_fill_bufs(struct ath11k *ar,
				   struct ath11k_dbring *ring,
				   enum wmi_direct_buffer_module id)
{ … }

int ath11k_dbring_wmi_cfg_setup(struct ath11k *ar,
				struct ath11k_dbring *ring,
				enum wmi_direct_buffer_module id)
{ … }

int ath11k_dbring_set_cfg(struct ath11k *ar, struct ath11k_dbring *ring,
			  u32 num_resp_per_event, u32 event_timeout_ms,
			  int (*handler)(struct ath11k *,
					 struct ath11k_dbring_data *))
{ … }

int ath11k_dbring_buf_setup(struct ath11k *ar,
			    struct ath11k_dbring *ring,
			    struct ath11k_dbring_cap *db_cap)
{ … }

int ath11k_dbring_srng_setup(struct ath11k *ar, struct ath11k_dbring *ring,
			     int ring_num, int num_entries)
{ … }

int ath11k_dbring_get_cap(struct ath11k_base *ab,
			  u8 pdev_idx,
			  enum wmi_direct_buffer_module id,
			  struct ath11k_dbring_cap *db_cap)
{ … }

int ath11k_dbring_buffer_release_event(struct ath11k_base *ab,
				       struct ath11k_dbring_buf_release_event *ev)
{ … }

void ath11k_dbring_srng_cleanup(struct ath11k *ar, struct ath11k_dbring *ring)
{ … }

void ath11k_dbring_buf_cleanup(struct ath11k *ar, struct ath11k_dbring *ring)
{ … }