* 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"
+
+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;
+}
git.droids-corp.org / dpdk.git / blobdiff