summaryrefslogtreecommitdiffstats
path: root/drivers/common/qat/qat_common.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/common/qat/qat_common.c')
-rw-r--r--drivers/common/qat/qat_common.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/common/qat/qat_common.c b/drivers/common/qat/qat_common.c
new file mode 100644
index 00000000..47538669
--- /dev/null
+++ b/drivers/common/qat/qat_common.c
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#include "qat_common.h"
+#include "qat_device.h"
+#include "qat_logs.h"
+
+int
+qat_sgl_fill_array(struct rte_mbuf *buf, int64_t offset,
+ void *list_in, uint32_t data_len,
+ const uint16_t max_segs)
+{
+ int res = -EINVAL;
+ uint32_t buf_len, nr;
+ struct qat_sgl *list = (struct qat_sgl *)list_in;
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ uint8_t *virt_addr[max_segs];
+#endif
+
+ for (nr = buf_len = 0; buf && nr < max_segs; buf = buf->next) {
+ if (offset >= rte_pktmbuf_data_len(buf)) {
+ offset -= rte_pktmbuf_data_len(buf);
+ continue;
+ }
+
+ list->buffers[nr].len = rte_pktmbuf_data_len(buf) - offset;
+ list->buffers[nr].resrvd = 0;
+ list->buffers[nr].addr = rte_pktmbuf_iova_offset(buf, offset);
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ virt_addr[nr] = rte_pktmbuf_mtod_offset(buf, uint8_t*, offset);
+#endif
+ offset = 0;
+ buf_len += list->buffers[nr].len;
+
+ if (buf_len >= data_len) {
+ list->buffers[nr].len -= buf_len - data_len;
+ res = 0;
+ break;
+ }
+ ++nr;
+ }
+
+ if (unlikely(res != 0)) {
+ if (nr == max_segs) {
+ QAT_DP_LOG(ERR, "Exceeded max segments in QAT SGL (%u)",
+ max_segs);
+ } else {
+ QAT_DP_LOG(ERR, "Mbuf chain is too short");
+ }
+ } else {
+
+ list->num_bufs = ++nr;
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ QAT_DP_LOG(INFO, "SGL with %d buffers:", list->num_bufs);
+ for (nr = 0; nr < list->num_bufs; nr++) {
+ QAT_DP_LOG(INFO,
+ "QAT SGL buf %d, len = %d, iova = 0x%012"PRIx64,
+ nr, list->buffers[nr].len,
+ list->buffers[nr].addr);
+ QAT_DP_HEXDUMP_LOG(DEBUG, "qat SGL",
+ virt_addr[nr],
+ list->buffers[nr].len);
+ }
+#endif
+ }
+
+ return res;
+}
+
+void qat_stats_get(struct qat_pci_device *dev,
+ struct qat_common_stats *stats,
+ enum qat_service_type service)
+{
+ int i;
+ struct qat_qp **qp;
+
+ if (stats == NULL || dev == NULL || service >= QAT_SERVICE_INVALID) {
+ QAT_LOG(ERR, "invalid param: stats %p, dev %p, service %d",
+ stats, dev, service);
+ return;
+ }
+
+ qp = dev->qps_in_use[service];
+ for (i = 0; i < ADF_MAX_QPS_ON_ANY_SERVICE; i++) {
+ if (qp[i] == NULL) {
+ QAT_LOG(DEBUG, "Service %d Uninitialised qp %d",
+ service, i);
+ continue;
+ }
+
+ stats->enqueued_count += qp[i]->stats.enqueued_count;
+ stats->dequeued_count += qp[i]->stats.dequeued_count;
+ stats->enqueue_err_count += qp[i]->stats.enqueue_err_count;
+ stats->dequeue_err_count += qp[i]->stats.dequeue_err_count;
+ }
+}
+
+void qat_stats_reset(struct qat_pci_device *dev,
+ enum qat_service_type service)
+{
+ int i;
+ struct qat_qp **qp;
+
+ if (dev == NULL || service >= QAT_SERVICE_INVALID) {
+ QAT_LOG(ERR, "invalid param: dev %p, service %d",
+ dev, service);
+ return;
+ }
+
+ qp = dev->qps_in_use[service];
+ for (i = 0; i < ADF_MAX_QPS_ON_ANY_SERVICE; i++) {
+ if (qp[i] == NULL) {
+ QAT_LOG(DEBUG, "Service %d Uninitialised qp %d",
+ service, i);
+ continue;
+ }
+ memset(&(qp[i]->stats), 0, sizeof(qp[i]->stats));
+ }
+
+ QAT_LOG(DEBUG, "QAT: %d stats cleared", service);
+}