diff options
Diffstat (limited to 'drivers/net/ethernet/ti/k3-cppi-desc-pool.h')
| -rw-r--r-- | drivers/net/ethernet/ti/k3-cppi-desc-pool.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/k3-cppi-desc-pool.h b/drivers/net/ethernet/ti/k3-cppi-desc-pool.h new file mode 100644 index 000000000000..a7e3fa5e7b62 --- /dev/null +++ b/drivers/net/ethernet/ti/k3-cppi-desc-pool.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* TI K3 CPPI5 descriptors pool + * + * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com + */ + +#ifndef K3_CPPI_DESC_POOL_H_ +#define K3_CPPI_DESC_POOL_H_ + +#include <linux/device.h> +#include <linux/types.h> + +struct k3_cppi_desc_pool; + +void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool); +struct k3_cppi_desc_pool * +k3_cppi_desc_pool_create_name(struct device *dev, size_t size, + size_t desc_size, + const char *name); +#define k3_cppi_desc_pool_create(dev, size, desc_size) \ + k3_cppi_desc_pool_create_name(dev, size, desc_size, NULL) +dma_addr_t +k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool, void *addr); +void * +k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma); +void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool); +void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr); +size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool); + +#endif /* K3_CPPI_DESC_POOL_H_ */ |