1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
5  *   Copyright 2016 NXP.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef _DPAA2_HW_DPBP_H_
35 #define _DPAA2_HW_DPBP_H_
36 
37 #define DPAA2_MAX_BUF_POOLS	8
38 
39 struct buf_pool_cfg {
40 	void *addr;
41 	/**< The address from where DPAA2 will carve out the buffers */
42 	rte_iova_t phys_addr;
43 	/**< Physical address of the memory provided in addr */
44 	uint32_t num;
45 	/**< Number of buffers */
46 	uint32_t size;
47 	/**< Size including headroom for each buffer */
48 	uint16_t align;
49 	/**< Buffer alignment (in bytes) */
50 	uint16_t bpid;
51 	/**< Autogenerated buffer pool ID for internal use */
52 };
53 
54 struct buf_pool {
55 	uint32_t size; /**< Size of the Pool */
56 	uint32_t num_bufs; /**< Number of buffers in Pool */
57 	uint16_t bpid; /**< Pool ID, from pool configuration */
58 	uint8_t *h_bpool_mem; /**< Internal context data */
59 	struct dpaa2_dpbp_dev *dpbp_node; /**< Hardware context */
60 };
61 
62 /*!
63  * Buffer pool list configuration structure. User need to give DPAA2 the
64  * valid number of 'num_buf_pools'.
65  */
66 struct dpaa2_bp_list_cfg {
67 	struct buf_pool_cfg buf_pool; /* Configuration of each buffer pool*/
68 };
69 
70 struct dpaa2_bp_list {
71 	struct dpaa2_bp_list *next;
72 	struct rte_mempool *mp; /**< DPDK RTE EAL pool reference */
73 	int32_t dpaa2_ops_index; /**< Index into DPDK Mempool ops table */
74 	struct buf_pool buf_pool;
75 };
76 
77 struct dpaa2_bp_info {
78 	uint32_t meta_data_size;
79 	uint32_t bpid;
80 	struct dpaa2_bp_list *bp_list;
81 };
82 
83 #define mempool_to_bpinfo(mp) ((struct dpaa2_bp_info *)(mp)->pool_data)
84 #define mempool_to_bpid(mp) ((mempool_to_bpinfo(mp))->bpid)
85 
86 extern struct dpaa2_bp_info rte_dpaa2_bpid_info[MAX_BPID];
87 
88 int rte_dpaa2_mbuf_alloc_bulk(struct rte_mempool *pool,
89 		       void **obj_table, unsigned int count);
90 
91 #endif /* _DPAA2_HW_DPBP_H_ */
92