drivers/crypto/intel/qat/qat_common/adf_gen2_dc.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /* Copyright(c) 2022 Intel Corporation */
   3 #include "adf_accel_devices.h"
   4 #include "adf_gen2_dc.h"
   5 #include "icp_qat_fw_comp.h"
   6
   7 static void qat_comp_build_deflate_ctx(void *ctx)
   8 {
   9         struct icp_qat_fw_comp_req *req_tmpl = (struct icp_qat_fw_comp_req *)ctx;
  10         struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
  11         struct icp_qat_fw_comp_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
  12         struct icp_qat_fw_comp_req_params *req_pars = &req_tmpl->comp_pars;
  13         struct icp_qat_fw_comp_cd_hdr *comp_cd_ctrl = &req_tmpl->comp_cd_ctrl;
  14
  15         memset(req_tmpl, 0, sizeof(*req_tmpl));
  16         header->hdr_flags =
  17                 ICP_QAT_FW_COMN_HDR_FLAGS_BUILD(ICP_QAT_FW_COMN_REQ_FLAG_SET);
  18         header->service_type = ICP_QAT_FW_COMN_REQ_CPM_FW_COMP;
  19         header->service_cmd_id = ICP_QAT_FW_COMP_CMD_STATIC;
  20         header->comn_req_flags =
  21                 ICP_QAT_FW_COMN_FLAGS_BUILD(QAT_COMN_CD_FLD_TYPE_16BYTE_DATA,
  22                                             QAT_COMN_PTR_TYPE_SGL);
  23         header->serv_specif_flags =
  24                 ICP_QAT_FW_COMP_FLAGS_BUILD(ICP_QAT_FW_COMP_STATELESS_SESSION,
  25                                             ICP_QAT_FW_COMP_NOT_AUTO_SELECT_BEST,
  26                                             ICP_QAT_FW_COMP_NOT_ENH_AUTO_SELECT_BEST,
  27                                             ICP_QAT_FW_COMP_NOT_DISABLE_TYPE0_ENH_AUTO_SELECT_BEST,
  28                                             ICP_QAT_FW_COMP_ENABLE_SECURE_RAM_USED_AS_INTMD_BUF);
  29         cd_pars->u.sl.comp_slice_cfg_word[0] =
  30                 ICP_QAT_HW_COMPRESSION_CONFIG_BUILD(ICP_QAT_HW_COMPRESSION_DIR_COMPRESS,
  31                                                     ICP_QAT_HW_COMPRESSION_DELAYED_MATCH_DISABLED,
  32                                                     ICP_QAT_HW_COMPRESSION_ALGO_DEFLATE,
  33                                                     ICP_QAT_HW_COMPRESSION_DEPTH_1,
  34                                                     ICP_QAT_HW_COMPRESSION_FILE_TYPE_0);
  35         req_pars->crc.legacy.initial_adler = COMP_CPR_INITIAL_ADLER;
  36         req_pars->crc.legacy.initial_crc32 = COMP_CPR_INITIAL_CRC;
  37         req_pars->req_par_flags =
  38                 ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(ICP_QAT_FW_COMP_SOP,
  39                                                       ICP_QAT_FW_COMP_EOP,
  40                                                       ICP_QAT_FW_COMP_BFINAL,
  41                                                       ICP_QAT_FW_COMP_CNV,
  42                                                       ICP_QAT_FW_COMP_CNV_RECOVERY,
  43                                                       ICP_QAT_FW_COMP_NO_CNV_DFX,
  44                                                       ICP_QAT_FW_COMP_CRC_MODE_LEGACY,
  45                                                       ICP_QAT_FW_COMP_NO_XXHASH_ACC,
  46                                                       ICP_QAT_FW_COMP_CNV_ERROR_NONE,
  47                                                       ICP_QAT_FW_COMP_NO_APPEND_CRC,
  48                                                       ICP_QAT_FW_COMP_NO_DROP_DATA);
  49         ICP_QAT_FW_COMN_NEXT_ID_SET(comp_cd_ctrl, ICP_QAT_FW_SLICE_DRAM_WR);
  50         ICP_QAT_FW_COMN_CURR_ID_SET(comp_cd_ctrl, ICP_QAT_FW_SLICE_COMP);
  51
  52         /* Fill second half of the template for decompression */
  53         memcpy(req_tmpl + 1, req_tmpl, sizeof(*req_tmpl));
  54         req_tmpl++;
  55         header = &req_tmpl->comn_hdr;
  56         header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DECOMPRESS;
  57         cd_pars = &req_tmpl->cd_pars;
  58         cd_pars->u.sl.comp_slice_cfg_word[0] =
  59                 ICP_QAT_HW_COMPRESSION_CONFIG_BUILD(ICP_QAT_HW_COMPRESSION_DIR_DECOMPRESS,
  60                                                     ICP_QAT_HW_COMPRESSION_DELAYED_MATCH_DISABLED,
  61                                                     ICP_QAT_HW_COMPRESSION_ALGO_DEFLATE,
  62                                                     ICP_QAT_HW_COMPRESSION_DEPTH_1,
  63                                                     ICP_QAT_HW_COMPRESSION_FILE_TYPE_0);
  64 }
  65
  66 void adf_gen2_init_dc_ops(struct adf_dc_ops *dc_ops)
  67 {
  68         dc_ops->build_deflate_ctx = qat_comp_build_deflate_ctx;
  69 }
  70 EXPORT_SYMBOL_GPL(adf_gen2_init_dc_ops);