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From: Fiona Trahe <fiona.trahe@intel.com>
To: dev@dpdk.org
Cc: pablo.de.lara.guarch@intel.com, fiona.trahe@intel.com,
tomaszx.jozwiak@intel.com
Date: Wed, 11 Jul 2018 12:56:58 +0100
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Subject: [dpdk-dev] [PATCH v5 05/16] compress/qat: create fw request and
process response
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Add functions to create the request message to send to
firmware and to process the firmware response.
Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
Signed-off-by: Tomasz Jozwiak <tomaszx.jozwiak@intel.com>
---
drivers/compress/qat/qat_comp.c | 101 ++++++++++++++++++++++++++++++++++++
drivers/compress/qat/qat_comp.h | 8 +++
drivers/compress/qat/qat_comp_pmd.h | 1 +
3 files changed, 110 insertions(+)
diff --git a/drivers/compress/qat/qat_comp.c b/drivers/compress/qat/qat_comp.c
index cb2005a..a32d6ef 100644
--- a/drivers/compress/qat/qat_comp.c
+++ b/drivers/compress/qat/qat_comp.c
@@ -19,6 +19,107 @@
#include "qat_comp.h"
#include "qat_comp_pmd.h"
+
+int
+qat_comp_build_request(void *in_op, uint8_t *out_msg,
+ void *op_cookie __rte_unused,
+ enum qat_device_gen qat_dev_gen __rte_unused)
+{
+ struct rte_comp_op *op = in_op;
+ 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);
+
+ /* sgl */
+ if (op->m_src->next != NULL || op->m_dst->next != NULL) {
+ QAT_DP_LOG(ERR, "QAT PMD doesn't support scatter gather");
+ return -EINVAL;
+
+ } else {
+ 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 = rte_pktmbuf_data_len(op->m_src);
+ comp_req->comn_mid.dst_length = rte_pktmbuf_data_len(op->m_dst);
+
+ 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);
+
+#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 ((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)
{
diff --git a/drivers/compress/qat/qat_comp.h b/drivers/compress/qat/qat_comp.h
index 0f58a76..46105b4 100644
--- a/drivers/compress/qat/qat_comp.h
+++ b/drivers/compress/qat/qat_comp.h
@@ -10,6 +10,7 @@
#include <rte_compressdev.h>
#include <rte_compressdev_pmd.h>
+#include "qat_common.h"
#include "icp_qat_hw.h"
#include "icp_qat_fw_comp.h"
#include "icp_qat_fw_la.h"
@@ -28,6 +29,13 @@ struct qat_comp_xform {
enum rte_comp_checksum_type checksum_type;
};
+int
+qat_comp_build_request(void *in_op, uint8_t *out_msg, void *op_cookie,
+ enum qat_device_gen qat_dev_gen __rte_unused);
+
+int
+qat_comp_process_response(void **op, uint8_t *resp);
+
int
qat_comp_private_xform_create(struct rte_compressdev *dev,
diff --git a/drivers/compress/qat/qat_comp_pmd.h b/drivers/compress/qat/qat_comp_pmd.h
index fd97cbf..cd04f11 100644
--- a/drivers/compress/qat/qat_comp_pmd.h
+++ b/drivers/compress/qat/qat_comp_pmd.h
@@ -10,6 +10,7 @@
#include <rte_compressdev.h>
#include <rte_compressdev_pmd.h>
+#include "qat_device.h"
/** private data structure for a QAT compression device.
* This QAT device is a device offering only a compression service,
--
2.7.4