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
7static 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
66void adf_gen2_init_dc_ops(struct adf_dc_ops *dc_ops)
67{
68	dc_ops->build_deflate_ctx = qat_comp_build_deflate_ctx;
69}
70EXPORT_SYMBOL_GPL(adf_gen2_init_dc_ops);
71