ethernet/ti/k3-cppi-desc-pool.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* TI K3 CPPI5 descriptors pool
0003  *
0004  * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
0005  */
0006
0007 #ifndef K3_CPPI_DESC_POOL_H_
0008 #define K3_CPPI_DESC_POOL_H_
0009
0010 #include <linux/device.h>
0011 #include <linux/types.h>
0012
0013 struct k3_cppi_desc_pool;
0014
0015 void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool);
0016 struct k3_cppi_desc_pool *
0017 k3_cppi_desc_pool_create_name(struct device *dev, size_t size,
0018                   size_t desc_size,
0019                   const char *name);
0020 #define k3_cppi_desc_pool_create(dev, size, desc_size) \
0021         k3_cppi_desc_pool_create_name(dev, size, desc_size, NULL)
0022 dma_addr_t
0023 k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool, void *addr);
0024 void *
0025 k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma);
0026 void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool);
0027 void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr);
0028 size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool);
0029
0030 #endif /* K3_CPPI_DESC_POOL_H_ */