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path: root/drivers/compress/qat/qat_comp.c
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Diffstat (limited to 'drivers/compress/qat/qat_comp.c')
-rw-r--r--drivers/compress/qat/qat_comp.c393
1 files changed, 393 insertions, 0 deletions
diff --git a/drivers/compress/qat/qat_comp.c b/drivers/compress/qat/qat_comp.c
new file mode 100644
index 00000000..38c8a5b8
--- /dev/null
+++ b/drivers/compress/qat/qat_comp.c
@@ -0,0 +1,393 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_hexdump.h>
+#include <rte_comp.h>
+#include <rte_bus_pci.h>
+#include <rte_byteorder.h>
+#include <rte_memcpy.h>
+#include <rte_common.h>
+#include <rte_spinlock.h>
+#include <rte_log.h>
+#include <rte_malloc.h>
+
+#include "qat_logs.h"
+#include "qat_comp.h"
+#include "qat_comp_pmd.h"
+
+
+int
+qat_comp_build_request(void *in_op, uint8_t *out_msg,
+ void *op_cookie,
+ enum qat_device_gen qat_dev_gen __rte_unused)
+{
+ struct rte_comp_op *op = in_op;
+ struct qat_comp_op_cookie *cookie =
+ (struct qat_comp_op_cookie *)op_cookie;
+ struct qat_comp_xform *qat_xform = op->private_xform;
+ const uint8_t *tmpl = (uint8_t *)&qat_xform->qat_comp_req_tmpl;
+ struct icp_qat_fw_comp_req *comp_req =
+ (struct icp_qat_fw_comp_req *)out_msg;
+
+ if (unlikely(op->op_type != RTE_COMP_OP_STATELESS)) {
+ QAT_DP_LOG(ERR, "QAT PMD only supports stateless compression "
+ "operation requests, op (%p) is not a "
+ "stateless operation.", op);
+ return -EINVAL;
+ }
+
+ rte_mov128(out_msg, tmpl);
+ comp_req->comn_mid.opaque_data = (uint64_t)(uintptr_t)op;
+
+ /* common for sgl and flat buffers */
+ comp_req->comp_pars.comp_len = op->src.length;
+ comp_req->comp_pars.out_buffer_sz = rte_pktmbuf_pkt_len(op->m_dst) -
+ op->dst.offset;
+
+ if (op->m_src->next != NULL || op->m_dst->next != NULL) {
+ /* sgl */
+ int ret = 0;
+
+ ICP_QAT_FW_COMN_PTR_TYPE_SET(comp_req->comn_hdr.comn_req_flags,
+ QAT_COMN_PTR_TYPE_SGL);
+
+ ret = qat_sgl_fill_array(op->m_src,
+ op->src.offset,
+ &cookie->qat_sgl_src,
+ op->src.length,
+ RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS);
+ if (ret) {
+ QAT_DP_LOG(ERR, "QAT PMD Cannot fill source sgl array");
+ return ret;
+ }
+
+ ret = qat_sgl_fill_array(op->m_dst,
+ op->dst.offset,
+ &cookie->qat_sgl_dst,
+ comp_req->comp_pars.out_buffer_sz,
+ RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS);
+ if (ret) {
+ QAT_DP_LOG(ERR, "QAT PMD Cannot fill dest. sgl array");
+ return ret;
+ }
+
+ comp_req->comn_mid.src_data_addr =
+ cookie->qat_sgl_src_phys_addr;
+ comp_req->comn_mid.dest_data_addr =
+ cookie->qat_sgl_dst_phys_addr;
+ comp_req->comn_mid.src_length = 0;
+ comp_req->comn_mid.dst_length = 0;
+
+ } else {
+ /* flat aka linear buffer */
+ ICP_QAT_FW_COMN_PTR_TYPE_SET(comp_req->comn_hdr.comn_req_flags,
+ QAT_COMN_PTR_TYPE_FLAT);
+ comp_req->comn_mid.src_length = op->src.length;
+ comp_req->comn_mid.dst_length =
+ comp_req->comp_pars.out_buffer_sz;
+
+ comp_req->comn_mid.src_data_addr =
+ rte_pktmbuf_mtophys_offset(op->m_src, op->src.offset);
+ comp_req->comn_mid.dest_data_addr =
+ rte_pktmbuf_mtophys_offset(op->m_dst, op->dst.offset);
+ }
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ QAT_DP_LOG(DEBUG, "Direction: %s",
+ qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS ?
+ "decompression" : "compression");
+ QAT_DP_HEXDUMP_LOG(DEBUG, "qat compression message:", comp_req,
+ sizeof(struct icp_qat_fw_comp_req));
+#endif
+ return 0;
+}
+
+int
+qat_comp_process_response(void **op, uint8_t *resp)
+{
+ struct icp_qat_fw_comp_resp *resp_msg =
+ (struct icp_qat_fw_comp_resp *)resp;
+ struct rte_comp_op *rx_op = (struct rte_comp_op *)(uintptr_t)
+ (resp_msg->opaque_data);
+ struct qat_comp_xform *qat_xform = (struct qat_comp_xform *)
+ (rx_op->private_xform);
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ QAT_DP_LOG(DEBUG, "Direction: %s",
+ qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS ?
+ "decompression" : "compression");
+ QAT_DP_HEXDUMP_LOG(DEBUG, "qat_response:", (uint8_t *)resp_msg,
+ sizeof(struct icp_qat_fw_comp_resp));
+#endif
+
+ if (likely(qat_xform->qat_comp_request_type
+ != QAT_COMP_REQUEST_DECOMPRESS)) {
+ if (unlikely(ICP_QAT_FW_COMN_HDR_CNV_FLAG_GET(
+ resp_msg->comn_resp.hdr_flags)
+ == ICP_QAT_FW_COMP_NO_CNV)) {
+ rx_op->status = RTE_COMP_OP_STATUS_ERROR;
+ rx_op->debug_status = ERR_CODE_QAT_COMP_WRONG_FW;
+ *op = (void *)rx_op;
+ QAT_DP_LOG(ERR, "QAT has wrong firmware");
+ return 0;
+ }
+ }
+
+ if ((ICP_QAT_FW_COMN_RESP_CMP_STAT_GET(resp_msg->comn_resp.comn_status)
+ | ICP_QAT_FW_COMN_RESP_XLAT_STAT_GET(
+ resp_msg->comn_resp.comn_status)) !=
+ ICP_QAT_FW_COMN_STATUS_FLAG_OK) {
+
+ rx_op->status = RTE_COMP_OP_STATUS_ERROR;
+ rx_op->debug_status =
+ *((uint16_t *)(&resp_msg->comn_resp.comn_error));
+ } else {
+ struct qat_comp_xform *qat_xform = rx_op->private_xform;
+ struct icp_qat_fw_resp_comp_pars *comp_resp =
+ (struct icp_qat_fw_resp_comp_pars *)&resp_msg->comp_resp_pars;
+
+ rx_op->status = RTE_COMP_OP_STATUS_SUCCESS;
+ rx_op->consumed = comp_resp->input_byte_counter;
+ rx_op->produced = comp_resp->output_byte_counter;
+
+ if (qat_xform->checksum_type != RTE_COMP_CHECKSUM_NONE) {
+ if (qat_xform->checksum_type == RTE_COMP_CHECKSUM_CRC32)
+ rx_op->output_chksum = comp_resp->curr_crc32;
+ else if (qat_xform->checksum_type ==
+ RTE_COMP_CHECKSUM_ADLER32)
+ rx_op->output_chksum = comp_resp->curr_adler_32;
+ else
+ rx_op->output_chksum = comp_resp->curr_chksum;
+ }
+ }
+ *op = (void *)rx_op;
+
+ return 0;
+}
+
+unsigned int
+qat_comp_xform_size(void)
+{
+ return RTE_ALIGN_CEIL(sizeof(struct qat_comp_xform), 8);
+}
+
+static void qat_comp_create_req_hdr(struct icp_qat_fw_comn_req_hdr *header,
+ enum qat_comp_request_type request)
+{
+ if (request == QAT_COMP_REQUEST_FIXED_COMP_STATELESS)
+ header->service_cmd_id = ICP_QAT_FW_COMP_CMD_STATIC;
+ else if (request == QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)
+ header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DYNAMIC;
+ else if (request == QAT_COMP_REQUEST_DECOMPRESS)
+ header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DECOMPRESS;
+
+ header->service_type = ICP_QAT_FW_COMN_REQ_CPM_FW_COMP;
+ header->hdr_flags =
+ ICP_QAT_FW_COMN_HDR_FLAGS_BUILD(ICP_QAT_FW_COMN_REQ_FLAG_SET);
+
+ header->comn_req_flags = ICP_QAT_FW_COMN_FLAGS_BUILD(
+ QAT_COMN_CD_FLD_TYPE_16BYTE_DATA, QAT_COMN_PTR_TYPE_FLAT);
+}
+
+static int qat_comp_create_templates(struct qat_comp_xform *qat_xform,
+ const struct rte_memzone *interm_buff_mz __rte_unused,
+ const struct rte_comp_xform *xform)
+{
+ struct icp_qat_fw_comp_req *comp_req;
+ int comp_level, algo;
+ uint32_t req_par_flags;
+ int direction = ICP_QAT_HW_COMPRESSION_DIR_COMPRESS;
+
+ if (unlikely(qat_xform == NULL)) {
+ QAT_LOG(ERR, "Session was not created for this device");
+ return -EINVAL;
+ }
+
+ if (qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS) {
+ direction = ICP_QAT_HW_COMPRESSION_DIR_DECOMPRESS;
+ comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_1;
+ req_par_flags = ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(
+ ICP_QAT_FW_COMP_SOP, ICP_QAT_FW_COMP_EOP,
+ ICP_QAT_FW_COMP_BFINAL, ICP_QAT_FW_COMP_NO_CNV,
+ ICP_QAT_FW_COMP_NO_CNV_RECOVERY);
+
+ } else {
+ if (xform->compress.level == RTE_COMP_LEVEL_PMD_DEFAULT)
+ comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_8;
+ else if (xform->compress.level == 1)
+ comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_1;
+ else if (xform->compress.level == 2)
+ comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_4;
+ else if (xform->compress.level == 3)
+ comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_8;
+ else if (xform->compress.level >= 4 &&
+ xform->compress.level <= 9)
+ comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_16;
+ else {
+ QAT_LOG(ERR, "compression level not supported");
+ return -EINVAL;
+ }
+ req_par_flags = ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(
+ ICP_QAT_FW_COMP_SOP, ICP_QAT_FW_COMP_EOP,
+ ICP_QAT_FW_COMP_BFINAL, ICP_QAT_FW_COMP_CNV,
+ ICP_QAT_FW_COMP_CNV_RECOVERY);
+ }
+
+ switch (xform->compress.algo) {
+ case RTE_COMP_ALGO_DEFLATE:
+ algo = ICP_QAT_HW_COMPRESSION_ALGO_DEFLATE;
+ break;
+ case RTE_COMP_ALGO_LZS:
+ default:
+ /* RTE_COMP_NULL */
+ QAT_LOG(ERR, "compression algorithm not supported");
+ return -EINVAL;
+ }
+
+ comp_req = &qat_xform->qat_comp_req_tmpl;
+
+ /* Initialize header */
+ qat_comp_create_req_hdr(&comp_req->comn_hdr,
+ qat_xform->qat_comp_request_type);
+
+ comp_req->comn_hdr.serv_specif_flags = ICP_QAT_FW_COMP_FLAGS_BUILD(
+ ICP_QAT_FW_COMP_STATELESS_SESSION,
+ ICP_QAT_FW_COMP_NOT_AUTO_SELECT_BEST,
+ ICP_QAT_FW_COMP_NOT_ENH_AUTO_SELECT_BEST,
+ ICP_QAT_FW_COMP_NOT_DISABLE_TYPE0_ENH_AUTO_SELECT_BEST,
+ ICP_QAT_FW_COMP_DISABLE_SECURE_RAM_USED_AS_INTMD_BUF);
+
+ comp_req->cd_pars.sl.comp_slice_cfg_word[0] =
+ ICP_QAT_HW_COMPRESSION_CONFIG_BUILD(
+ direction,
+ /* In CPM 1.6 only valid mode ! */
+ ICP_QAT_HW_COMPRESSION_DELAYED_MATCH_ENABLED, algo,
+ /* Translate level to depth */
+ comp_level, ICP_QAT_HW_COMPRESSION_FILE_TYPE_0);
+
+ comp_req->comp_pars.initial_adler = 1;
+ comp_req->comp_pars.initial_crc32 = 0;
+ comp_req->comp_pars.req_par_flags = req_par_flags;
+
+
+ if (qat_xform->qat_comp_request_type ==
+ QAT_COMP_REQUEST_FIXED_COMP_STATELESS ||
+ qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS) {
+ ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->comp_cd_ctrl,
+ ICP_QAT_FW_SLICE_DRAM_WR);
+ ICP_QAT_FW_COMN_CURR_ID_SET(&comp_req->comp_cd_ctrl,
+ ICP_QAT_FW_SLICE_COMP);
+ } else if (qat_xform->qat_comp_request_type ==
+ QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS) {
+
+ QAT_LOG(ERR, "Dynamic huffman encoding not supported");
+ return -EINVAL;
+ }
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ QAT_DP_HEXDUMP_LOG(DEBUG, "qat compression message template:", comp_req,
+ sizeof(struct icp_qat_fw_comp_req));
+#endif
+ return 0;
+}
+
+/**
+ * Create driver private_xform data.
+ *
+ * @param dev
+ * Compressdev device
+ * @param xform
+ * xform data from application
+ * @param private_xform
+ * ptr where handle of pmd's private_xform data should be stored
+ * @return
+ * - if successful returns 0
+ * and valid private_xform handle
+ * - <0 in error cases
+ * - Returns -EINVAL if input parameters are invalid.
+ * - Returns -ENOTSUP if comp device does not support the comp transform.
+ * - Returns -ENOMEM if the private_xform could not be allocated.
+ */
+int
+qat_comp_private_xform_create(struct rte_compressdev *dev,
+ const struct rte_comp_xform *xform,
+ void **private_xform)
+{
+ struct qat_comp_dev_private *qat = dev->data->dev_private;
+
+ if (unlikely(private_xform == NULL)) {
+ QAT_LOG(ERR, "QAT: private_xform parameter is NULL");
+ return -EINVAL;
+ }
+ if (unlikely(qat->xformpool == NULL)) {
+ QAT_LOG(ERR, "QAT device has no private_xform mempool");
+ return -ENOMEM;
+ }
+ if (rte_mempool_get(qat->xformpool, private_xform)) {
+ QAT_LOG(ERR, "Couldn't get object from qat xform mempool");
+ return -ENOMEM;
+ }
+
+ struct qat_comp_xform *qat_xform =
+ (struct qat_comp_xform *)*private_xform;
+
+ if (xform->type == RTE_COMP_COMPRESS) {
+ if (xform->compress.deflate.huffman ==
+ RTE_COMP_HUFFMAN_DYNAMIC) {
+ QAT_LOG(ERR,
+ "QAT device doesn't support dynamic compression");
+ return -ENOTSUP;
+ }
+
+ if (xform->compress.deflate.huffman == RTE_COMP_HUFFMAN_FIXED ||
+ ((xform->compress.deflate.huffman == RTE_COMP_HUFFMAN_DEFAULT)
+ && qat->interm_buff_mz == NULL))
+
+ qat_xform->qat_comp_request_type =
+ QAT_COMP_REQUEST_FIXED_COMP_STATELESS;
+
+
+ } else {
+ qat_xform->qat_comp_request_type = QAT_COMP_REQUEST_DECOMPRESS;
+ }
+
+ qat_xform->checksum_type = xform->compress.chksum;
+
+ if (qat_comp_create_templates(qat_xform, qat->interm_buff_mz, xform)) {
+ QAT_LOG(ERR, "QAT: Problem with setting compression");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/**
+ * Free driver private_xform data.
+ *
+ * @param dev
+ * Compressdev device
+ * @param private_xform
+ * handle of pmd's private_xform data
+ * @return
+ * - 0 if successful
+ * - <0 in error cases
+ * - Returns -EINVAL if input parameters are invalid.
+ */
+int
+qat_comp_private_xform_free(struct rte_compressdev *dev __rte_unused,
+ void *private_xform)
+{
+ struct qat_comp_xform *qat_xform =
+ (struct qat_comp_xform *)private_xform;
+
+ if (qat_xform) {
+ memset(qat_xform, 0, qat_comp_xform_size());
+ struct rte_mempool *mp = rte_mempool_from_obj(qat_xform);
+
+ rte_mempool_put(mp, qat_xform);
+ return 0;
+ }
+ return -EINVAL;
+}