drivers/compress/qat/qat_comp.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2018 Intel Corporation
   3  */
   4
   5 #ifndef _QAT_COMP_H_
   6 #define _QAT_COMP_H_
   7
   8 #ifdef RTE_LIBRTE_COMPRESSDEV
   9
  10 #include <rte_compressdev.h>
  11 #include <rte_compressdev_pmd.h>
  12
  13 #include "qat_common.h"
  14 #include "icp_qat_hw.h"
  15 #include "icp_qat_fw_comp.h"
  16 #include "icp_qat_fw_la.h"
  17
  18 #define QAT_64_BYTE_ALIGN_MASK (~0x3f)
  19 #define QAT_64_BYTE_ALIGN (64)
  20 #define QAT_NUM_BUFS_IN_IM_SGL 1
  21
  22 #define ERR_CODE_QAT_COMP_WRONG_FW -99
  23
  24 enum qat_comp_request_type {
  25         QAT_COMP_REQUEST_FIXED_COMP_STATELESS,
  26         QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS,
  27         QAT_COMP_REQUEST_DECOMPRESS,
  28         REQ_COMP_END
  29 };
  30
  31 struct array_of_ptrs {
  32         phys_addr_t pointer[0];
  33 };
  34
  35 struct qat_inter_sgl {
  36         qat_sgl_hdr;
  37         struct qat_flat_buf buffers[QAT_NUM_BUFS_IN_IM_SGL];
  38 } __rte_packed __rte_cache_aligned;
  39
  40 struct qat_comp_sgl {
  41         qat_sgl_hdr;
  42         struct qat_flat_buf buffers[RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS];
  43 } __rte_packed __rte_cache_aligned;
  44
  45 struct qat_comp_op_cookie {
  46         struct qat_comp_sgl qat_sgl_src;
  47         struct qat_comp_sgl qat_sgl_dst;
  48         phys_addr_t qat_sgl_src_phys_addr;
  49         phys_addr_t qat_sgl_dst_phys_addr;
  50 };
  51
  52 struct qat_comp_xform {
  53         struct icp_qat_fw_comp_req qat_comp_req_tmpl;
  54         enum qat_comp_request_type qat_comp_request_type;
  55         enum rte_comp_checksum_type checksum_type;
  56 };
  57
  58 int
  59 qat_comp_build_request(void *in_op, uint8_t *out_msg, void *op_cookie,
  60                        enum qat_device_gen qat_dev_gen __rte_unused);
  61
  62 int
  63 qat_comp_process_response(void **op, uint8_t *resp);
  64
  65
  66 int
  67 qat_comp_private_xform_create(struct rte_compressdev *dev,
  68                               const struct rte_comp_xform *xform,
  69                               void **private_xform);
  70
  71 int
  72 qat_comp_private_xform_free(struct rte_compressdev *dev, void *private_xform);
  73
  74 unsigned int
  75 qat_comp_xform_size(void);
  76
  77 #endif
  78 #endif