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
  13 struct k3_cppi_desc_pool;
  14
  15 void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool);
  16 struct k3_cppi_desc_pool *
  17 k3_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)
  22 dma_addr_t
  23 k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool, void *addr);
  24 void *
  25 k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma);
  26 void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool);
  27 void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr);
  28 size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool);
  29 size_t k3_cppi_desc_pool_desc_size(const struct k3_cppi_desc_pool *pool);
  30 void *k3_cppi_desc_pool_cpuaddr(const struct k3_cppi_desc_pool *pool);
  31 void k3_cppi_desc_pool_desc_info_set(struct k3_cppi_desc_pool *pool,
  32                                      int desc_idx, void *info);
  33 void *k3_cppi_desc_pool_desc_info(const struct k3_cppi_desc_pool *pool,
  34                                   int desc_idx);
  35
  36 #endif /* K3_CPPI_DESC_POOL_H_ */