adf_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_dc.h"
 5#include "icp_qat_fw_comp.h"
 6
 7int qat_comp_build_ctx(struct adf_accel_dev *accel_dev, void *ctx, enum adf_dc_algo algo)
 8{
 9	struct icp_qat_fw_comp_req *req_tmpl = ctx;
10	struct icp_qat_fw_comp_cd_hdr *comp_cd_ctrl = &req_tmpl->comp_cd_ctrl;
11	struct icp_qat_fw_comp_req_params *req_pars = &req_tmpl->comp_pars;
12	struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
13	int ret;
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->comn_req_flags =
20		ICP_QAT_FW_COMN_FLAGS_BUILD(QAT_COMN_CD_FLD_TYPE_16BYTE_DATA,
21					    QAT_COMN_PTR_TYPE_SGL);
22	header->serv_specif_flags =
23		ICP_QAT_FW_COMP_FLAGS_BUILD(ICP_QAT_FW_COMP_STATELESS_SESSION,
24					    ICP_QAT_FW_COMP_NOT_AUTO_SELECT_BEST,
25					    ICP_QAT_FW_COMP_NOT_ENH_AUTO_SELECT_BEST,
26					    ICP_QAT_FW_COMP_NOT_DISABLE_TYPE0_ENH_AUTO_SELECT_BEST,
27					    ICP_QAT_FW_COMP_ENABLE_SECURE_RAM_USED_AS_INTMD_BUF);
28
29	/* Build HW config block for compression */
30	ret = GET_DC_OPS(accel_dev)->build_comp_block(ctx, algo);
31	if (ret) {
32		dev_err(&GET_DEV(accel_dev), "Failed to build compression block\n");
33		return ret;
34	}
35
36	req_pars->crc.legacy.initial_adler = COMP_CPR_INITIAL_ADLER;
37	req_pars->crc.legacy.initial_crc32 = COMP_CPR_INITIAL_CRC;
38	req_pars->req_par_flags =
39		ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(ICP_QAT_FW_COMP_SOP,
40						      ICP_QAT_FW_COMP_EOP,
41						      ICP_QAT_FW_COMP_BFINAL,
42						      ICP_QAT_FW_COMP_CNV,
43						      ICP_QAT_FW_COMP_CNV_RECOVERY,
44						      ICP_QAT_FW_COMP_NO_CNV_DFX,
45						      ICP_QAT_FW_COMP_CRC_MODE_LEGACY,
46						      ICP_QAT_FW_COMP_NO_XXHASH_ACC,
47						      ICP_QAT_FW_COMP_CNV_ERROR_NONE,
48						      ICP_QAT_FW_COMP_NO_APPEND_CRC,
49						      ICP_QAT_FW_COMP_NO_DROP_DATA,
50						      ICP_QAT_FW_COMP_NO_PARTIAL_DECOMPRESS);
51	ICP_QAT_FW_COMN_NEXT_ID_SET(comp_cd_ctrl, ICP_QAT_FW_SLICE_DRAM_WR);
52	ICP_QAT_FW_COMN_CURR_ID_SET(comp_cd_ctrl, ICP_QAT_FW_SLICE_COMP);
53
54	/* Fill second half of the template for decompression */
55	memcpy(req_tmpl + 1, req_tmpl, sizeof(*req_tmpl));
56	req_tmpl++;
57
58	/* Build HW config block for decompression */
59	ret = GET_DC_OPS(accel_dev)->build_decomp_block(req_tmpl, algo);
60	if (ret)
61		dev_err(&GET_DEV(accel_dev), "Failed to build decompression block\n");
62
63	return ret;
64}