ceph/src/spdk/dpdk/drivers/compress/zlib/zlib_pmd_private.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Cavium Networks
   3  */
   4
   5 #ifndef _ZLIB_PMD_PRIVATE_H_
   6 #define _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 extern 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 /* _ZLIB_PMD_PRIVATE_H_ */