drivers/compress/isal/isal_compress_pmd_private.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation
   3  */
   4
   5 #ifndef _ISAL_COMP_PMD_PRIVATE_H_
   6 #define _ISAL_COMP_PMD_PRIVATE_H_
   7
   8 #define COMPDEV_NAME_ISAL_PMD           compress_isal
   9 /**< ISA-L comp PMD device name */
  10
  11 extern int isal_logtype_driver;
  12 #define ISAL_PMD_LOG(level, fmt, args...) \
  13         rte_log(RTE_LOG_ ## level, isal_logtype_driver, "%s(): "fmt "\n", \
  14                         __func__, ##args)
  15
  16 /* private data structure for each ISA-L compression device */
  17 struct isal_comp_private {
  18         struct rte_mempool *priv_xform_mp;
  19 };
  20
  21 /** ISA-L queue pair */
  22 struct isal_comp_qp {
  23         /* Queue Pair Identifier */
  24         uint16_t id;
  25         /* Unique Queue Pair Name */
  26         char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
  27         /* Ring for placing process packets */
  28         struct rte_ring *processed_pkts;
  29         /* Queue pair statistics */
  30         struct rte_compressdev_stats qp_stats;
  31         /* Compression stream information*/
  32         struct isal_zstream *stream;
  33         /* Decompression state information*/
  34         struct inflate_state *state;
  35         /* Number of free elements on ring */
  36         uint16_t num_free_elements;
  37 } __rte_cache_aligned;
  38
  39 /** ISA-L private xform structure */
  40 struct isal_priv_xform {
  41         enum rte_comp_xform_type type;
  42         union {
  43                 struct rte_comp_compress_xform compress;
  44                 struct rte_comp_decompress_xform decompress;
  45         };
  46         uint32_t level_buffer_size;
  47 } __rte_cache_aligned;
  48
  49 /** Set and validate NULL comp private xform parameters */
  50 extern int
  51 isal_comp_set_priv_xform_parameters(struct isal_priv_xform *priv_xform,
  52                         const struct rte_comp_xform *xform);
  53
  54 /** device specific operations function pointer structure */
  55 extern struct rte_compressdev_ops *isal_compress_pmd_ops;
  56
  57 #endif /* _ISAL_COMP_PMD_PRIVATE_H_ */