1 /* SPDX-License-Identifier: BSD-3-Clause
2  *
3  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
4  *   Copyright 2016-2019 NXP
5  *
6  */
7 
8 #ifndef _DPAA2_HW_DPBP_H_
9 #define _DPAA2_HW_DPBP_H_
10 
11 #define DPAA2_MAX_BUF_POOLS	8
12 
13 struct buf_pool_cfg {
14 	void *addr;
15 	/**< The address from where DPAA2 will carve out the buffers */
16 	rte_iova_t phys_addr;
17 	/**< Physical address of the memory provided in addr */
18 	uint32_t num;
19 	/**< Number of buffers */
20 	uint32_t size;
21 	/**< Size including headroom for each buffer */
22 	uint16_t align;
23 	/**< Buffer alignment (in bytes) */
24 	uint16_t bpid;
25 	/**< Autogenerated buffer pool ID for internal use */
26 };
27 
28 struct buf_pool {
29 	uint32_t size; /**< Size of the Pool */
30 	uint32_t num_bufs; /**< Number of buffers in Pool */
31 	uint16_t bpid; /**< Pool ID, from pool configuration */
32 	uint8_t *h_bpool_mem; /**< Internal context data */
33 	struct dpaa2_dpbp_dev *dpbp_node; /**< Hardware context */
34 };
35 
36 /*!
37  * Buffer pool list configuration structure. User need to give DPAA2 the
38  * valid number of 'num_buf_pools'.
39  */
40 struct dpaa2_bp_list_cfg {
41 	struct buf_pool_cfg buf_pool; /* Configuration of each buffer pool*/
42 };
43 
44 struct dpaa2_bp_list {
45 	struct dpaa2_bp_list *next;
46 	struct rte_mempool *mp; /**< DPDK RTE EAL pool reference */
47 	int32_t dpaa2_ops_index; /**< Index into DPDK Mempool ops table */
48 	struct buf_pool buf_pool;
49 };
50 
51 struct dpaa2_bp_info {
52 	uint32_t meta_data_size;
53 	uint32_t bpid;
54 	struct dpaa2_bp_list *bp_list;
55 };
56 
57 #define mempool_to_bpinfo(mp) ((struct dpaa2_bp_info *)(mp)->pool_data)
58 #define mempool_to_bpid(mp) ((mempool_to_bpinfo(mp))->bpid)
59 
60 extern struct dpaa2_bp_info *rte_dpaa2_bpid_info;
61 
62 __rte_internal
63 int rte_dpaa2_mbuf_alloc_bulk(struct rte_mempool *pool,
64 		       void **obj_table, unsigned int count);
65 
66 #endif /* _DPAA2_HW_DPBP_H_ */
67