X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcompress%2Fqat%2Fqat_comp.c;h=2fadb021ff6f9c14ad9d909628507beeb43082ab;hb=352332744c3a7ff9c0fb67fac4d4ccb663456078;hp=8a6fad06a41bd22ea6524982617f41894de4e5e8;hpb=652b59df06ccf554d4c39ab76f8b85cc003cf9b0;p=dpdk.git

diff --git a/drivers/compress/qat/qat_comp.c b/drivers/compress/qat/qat_comp.c
index 8a6fad06a4..2fadb021ff 100644
--- a/drivers/compress/qat/qat_comp.c
+++ b/drivers/compress/qat/qat_comp.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2018-2019 Intel Corporation
  */
 
 #include <rte_mempool.h>
@@ -43,6 +43,30 @@ qat_comp_build_request(void *in_op, uint8_t *out_msg,
 	rte_mov128(out_msg, tmpl);
 	comp_req->comn_mid.opaque_data = (uint64_t)(uintptr_t)op;
 
+	if (likely(qat_xform->qat_comp_request_type ==
+		    QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)) {
+		if (unlikely(op->src.length > QAT_FALLBACK_THLD)) {
+
+			/* fallback to fixed compression */
+			comp_req->comn_hdr.service_cmd_id =
+					ICP_QAT_FW_COMP_CMD_STATIC;
+
+			ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->comp_cd_ctrl,
+					ICP_QAT_FW_SLICE_DRAM_WR);
+
+			ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->u2.xlt_cd_ctrl,
+					ICP_QAT_FW_SLICE_NULL);
+			ICP_QAT_FW_COMN_CURR_ID_SET(&comp_req->u2.xlt_cd_ctrl,
+					ICP_QAT_FW_SLICE_NULL);
+
+			QAT_DP_LOG(DEBUG, "QAT PMD: fallback to fixed "
+				   "compression! IM buffer size can be too low "
+				   "for produced data.\n Please use input "
+				   "buffer length lower than %d bytes",
+				   QAT_FALLBACK_THLD);
+		}
+	}
+
 	/* 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) -
@@ -55,22 +79,70 @@ qat_comp_build_request(void *in_op, uint8_t *out_msg,
 		ICP_QAT_FW_COMN_PTR_TYPE_SET(comp_req->comn_hdr.comn_req_flags,
 				QAT_COMN_PTR_TYPE_SGL);
 
+		if (unlikely(op->m_src->nb_segs > cookie->src_nb_elems)) {
+			/* we need to allocate more elements in SGL*/
+			void *tmp;
+
+			tmp = rte_realloc_socket(cookie->qat_sgl_src_d,
+					  sizeof(struct qat_sgl) +
+					  sizeof(struct qat_flat_buf) *
+					  op->m_src->nb_segs, 64,
+					  cookie->socket_id);
+
+			if (unlikely(tmp == NULL)) {
+				QAT_DP_LOG(ERR, "QAT PMD can't allocate memory"
+					   " for %d elements of SGL",
+					   op->m_src->nb_segs);
+				op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
+				return -ENOMEM;
+			}
+			/* new SGL is valid now */
+			cookie->qat_sgl_src_d = (struct qat_sgl *)tmp;
+			cookie->src_nb_elems = op->m_src->nb_segs;
+			cookie->qat_sgl_src_phys_addr =
+				rte_malloc_virt2iova(cookie->qat_sgl_src_d);
+		}
+
 		ret = qat_sgl_fill_array(op->m_src,
 				op->src.offset,
-				&cookie->qat_sgl_src,
+				cookie->qat_sgl_src_d,
 				op->src.length,
-				RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS);
+				cookie->src_nb_elems);
 		if (ret) {
 			QAT_DP_LOG(ERR, "QAT PMD Cannot fill source sgl array");
 			op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
 			return ret;
 		}
 
+		if (unlikely(op->m_dst->nb_segs > cookie->dst_nb_elems)) {
+			/* we need to allocate more elements in SGL*/
+			struct qat_sgl *tmp;
+
+			tmp = rte_realloc_socket(cookie->qat_sgl_dst_d,
+					  sizeof(struct qat_sgl) +
+					  sizeof(struct qat_flat_buf) *
+					  op->m_dst->nb_segs, 64,
+					  cookie->socket_id);
+
+			if (unlikely(tmp == NULL)) {
+				QAT_DP_LOG(ERR, "QAT PMD can't allocate memory"
+					   " for %d elements of SGL",
+					   op->m_dst->nb_segs);
+				op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
+				return -EINVAL;
+			}
+			/* new SGL is valid now */
+			cookie->qat_sgl_dst_d = (struct qat_sgl *)tmp;
+			cookie->dst_nb_elems = op->m_dst->nb_segs;
+			cookie->qat_sgl_dst_phys_addr =
+				rte_malloc_virt2iova(cookie->qat_sgl_dst_d);
+		}
+
 		ret = qat_sgl_fill_array(op->m_dst,
 				op->dst.offset,
-				&cookie->qat_sgl_dst,
+				cookie->qat_sgl_dst_d,
 				comp_req->comp_pars.out_buffer_sz,
-				RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS);
+				cookie->dst_nb_elems);
 		if (ret) {
 			QAT_DP_LOG(ERR, "QAT PMD Cannot fill dest. sgl array");
 			op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
@@ -109,7 +181,7 @@ qat_comp_build_request(void *in_op, uint8_t *out_msg,
 }
 
 int
-qat_comp_process_response(void **op, uint8_t *resp)
+qat_comp_process_response(void **op, uint8_t *resp, uint64_t *dequeue_err_count)
 {
 	struct icp_qat_fw_comp_resp *resp_msg =
 			(struct icp_qat_fw_comp_resp *)resp;
@@ -117,6 +189,9 @@ qat_comp_process_response(void **op, uint8_t *resp)
 			(resp_msg->opaque_data);
 	struct qat_comp_xform *qat_xform = (struct qat_comp_xform *)
 				(rx_op->private_xform);
+	int err = resp_msg->comn_resp.comn_status &
+			((1 << QAT_COMN_RESP_CMP_STATUS_BITPOS) |
+			 (1 << QAT_COMN_RESP_XLAT_STATUS_BITPOS));
 
 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
 	QAT_DP_LOG(DEBUG, "Direction: %s",
@@ -135,24 +210,36 @@ qat_comp_process_response(void **op, uint8_t *resp)
 			rx_op->debug_status = ERR_CODE_QAT_COMP_WRONG_FW;
 			*op = (void *)rx_op;
 			QAT_DP_LOG(ERR, "QAT has wrong firmware");
+			++(*dequeue_err_count);
 			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) {
-
-		if (unlikely((ICP_QAT_FW_COMN_RESP_XLAT_STAT_GET(
-				resp_msg->comn_resp.comn_status) !=
-				ICP_QAT_FW_COMN_STATUS_FLAG_OK) &&
-				(qat_xform->qat_comp_request_type
-				== QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)))
+	if (err) {
+		if (unlikely((err & (1 << QAT_COMN_RESP_XLAT_STATUS_BITPOS))
+			     &&	(qat_xform->qat_comp_request_type
+				 == QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS))) {
 			QAT_DP_LOG(ERR, "QAT intermediate buffer may be too "
 			    "small for output, try configuring a larger size");
+		}
+
+		int8_t cmp_err_code =
+			(int8_t)resp_msg->comn_resp.comn_error.cmp_err_code;
+		int8_t xlat_err_code =
+			(int8_t)resp_msg->comn_resp.comn_error.xlat_err_code;
+
+		if ((cmp_err_code == ERR_CODE_OVERFLOW_ERROR && !xlat_err_code)
+				||
+		    (!cmp_err_code && xlat_err_code == ERR_CODE_OVERFLOW_ERROR)
+				||
+		    (cmp_err_code == ERR_CODE_OVERFLOW_ERROR &&
+		     xlat_err_code == ERR_CODE_OVERFLOW_ERROR))
+			rx_op->status =
+				RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
+		else
+			rx_op->status = RTE_COMP_OP_STATUS_ERROR;
 
-		rx_op->status = RTE_COMP_OP_STATUS_ERROR;
+		++(*dequeue_err_count);
 		rx_op->debug_status =
 			*((uint16_t *)(&resp_msg->comn_resp.comn_error));
 	} else {
@@ -268,7 +355,7 @@ static int qat_comp_create_templates(struct qat_comp_xform *qat_xform,
 	    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);
+	    ICP_QAT_FW_COMP_ENABLE_SECURE_RAM_USED_AS_INTMD_BUF);
 
 	comp_req->cd_pars.sl.comp_slice_cfg_word[0] =
 	    ICP_QAT_HW_COMPRESSION_CONFIG_BUILD(