LXR linux/drivers/net/ethernet/ti/k3-cppi-desc-pool.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* TI K3 CPPI5 descriptors pool
   3 *
   4 * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
   5 */
   6
   7#ifndef K3_CPPI_DESC_POOL_H_
   8#define K3_CPPI_DESC_POOL_H_
   9
  10#include <linux/device.h>
  11#include <linux/types.h>
  12
  13struct k3_cppi_desc_pool;
  14
  15void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool);
  16struct k3_cppi_desc_pool *
  17k3_cppi_desc_pool_create_name(struct device *dev, size_t size,
  18                              size_t desc_size,
  19                              const char *name);
  20#define k3_cppi_desc_pool_create(dev, size, desc_size) \
  21                k3_cppi_desc_pool_create_name(dev, size, desc_size, NULL)
  22dma_addr_t
  23k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool, void *addr);
  24void *
  25k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma);
  26void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool);
  27void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr);
  28size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool);
  29
  30#endif /* K3_CPPI_DESC_POOL_H_ */
  31