xref: /dpdk/drivers/compress/zlib/zlib_pmd_private.h (revision 25d11a86c56d50947af33d0b79ede622809bd8b9)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2018 Cavium Networks
3  */
4 
5 #ifndef _RTE_ZLIB_PMD_PRIVATE_H_
6 #define _RTE_ZLIB_PMD_PRIVATE_H_
7 
8 #include <zlib.h>
9 #include <rte_compressdev.h>
10 #include <rte_compressdev_pmd.h>
11 
12 #define COMPRESSDEV_NAME_ZLIB_PMD	compress_zlib
13 /**< ZLIB PMD device name */
14 
15 #define DEF_MEM_LEVEL			8
16 
17 int zlib_logtype_driver;
18 #define ZLIB_PMD_LOG(level, fmt, args...) \
19 	rte_log(RTE_LOG_ ## level, zlib_logtype_driver, "%s(): "fmt "\n", \
20 			__func__, ##args)
21 
22 #define ZLIB_PMD_INFO(fmt, args...) \
23 	ZLIB_PMD_LOG(INFO, fmt, ## args)
24 #define ZLIB_PMD_ERR(fmt, args...) \
25 	ZLIB_PMD_LOG(ERR, fmt, ## args)
26 #define ZLIB_PMD_WARN(fmt, args...) \
27 	ZLIB_PMD_LOG(WARNING, fmt, ## args)
28 
29 struct zlib_private {
30 	struct rte_mempool *mp;
31 };
32 
33 struct zlib_qp {
34 	struct rte_ring *processed_pkts;
35 	/**< Ring for placing process packets */
36 	struct rte_compressdev_stats qp_stats;
37 	/**< Queue pair statistics */
38 	uint16_t id;
39 	/**< Queue Pair Identifier */
40 	char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
41 	/**< Unique Queue Pair Name */
42 } __rte_cache_aligned;
43 
44 /* Algorithm handler function prototype */
45 typedef void (*comp_func_t)(struct rte_comp_op *op, z_stream *strm);
46 
47 typedef int (*comp_free_t)(z_stream *strm);
48 
49 /** ZLIB Stream structure */
50 struct zlib_stream {
51 	z_stream strm;
52 	/**< zlib stream structure */
53 	comp_func_t comp;
54 	/**< Operation (compression/decompression) */
55 	comp_free_t free;
56 	/**< Free Operation (compression/decompression) */
57 } __rte_cache_aligned;
58 
59 /** ZLIB private xform structure */
60 struct zlib_priv_xform {
61 	struct zlib_stream stream;
62 } __rte_cache_aligned;
63 
64 int
65 zlib_set_stream_parameters(const struct rte_comp_xform *xform,
66 		struct zlib_stream *stream);
67 
68 /** Device specific operations function pointer structure */
69 extern struct rte_compressdev_ops *rte_zlib_pmd_ops;
70 
71 #endif /* _RTE_ZLIB_PMD_PRIVATE_H_ */
72