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-rw-r--r--drivers/common/qat/qat_common.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/common/qat/qat_common.h b/drivers/common/qat/qat_common.h
new file mode 100644
index 00000000..d4bef539
--- /dev/null
+++ b/drivers/common/qat/qat_common.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+#ifndef _QAT_COMMON_H_
+#define _QAT_COMMON_H_
+
+#include <stdint.h>
+
+#include <rte_mbuf.h>
+
+/**< Intel(R) QAT device name for PCI registration */
+#define QAT_PCI_NAME qat
+#define QAT_64_BTYE_ALIGN_MASK (~0x3f)
+
+/* Intel(R) QuickAssist Technology device generation is enumerated
+ * from one according to the generation of the device
+ */
+enum qat_device_gen {
+ QAT_GEN1 = 1,
+ QAT_GEN2
+};
+
+enum qat_service_type {
+ QAT_SERVICE_ASYMMETRIC = 0,
+ QAT_SERVICE_SYMMETRIC,
+ QAT_SERVICE_COMPRESSION,
+ QAT_SERVICE_INVALID
+};
+
+#define QAT_MAX_SERVICES (QAT_SERVICE_INVALID)
+
+/**< Common struct for scatter-gather list operations */
+struct qat_flat_buf {
+ uint32_t len;
+ uint32_t resrvd;
+ uint64_t addr;
+} __rte_packed;
+
+#define qat_sgl_hdr struct { \
+ uint64_t resrvd; \
+ uint32_t num_bufs; \
+ uint32_t num_mapped_bufs; \
+}
+
+__extension__
+struct qat_sgl {
+ qat_sgl_hdr;
+ /* flexible array of flat buffers*/
+ struct qat_flat_buf buffers[0];
+} __rte_packed __rte_cache_aligned;
+
+/** Common, i.e. not service-specific, statistics */
+struct qat_common_stats {
+ uint64_t enqueued_count;
+ /**< Count of all operations enqueued */
+ uint64_t dequeued_count;
+ /**< Count of all operations dequeued */
+
+ uint64_t enqueue_err_count;
+ /**< Total error count on operations enqueued */
+ uint64_t dequeue_err_count;
+ /**< Total error count on operations dequeued */
+};
+
+struct qat_pci_device;
+
+int
+qat_sgl_fill_array(struct rte_mbuf *buf, int64_t offset,
+ void *list_in, uint32_t data_len,
+ const uint16_t max_segs);
+void
+qat_stats_get(struct qat_pci_device *dev,
+ struct qat_common_stats *stats,
+ enum qat_service_type service);
+void
+qat_stats_reset(struct qat_pci_device *dev,
+ enum qat_service_type service);
+
+#endif /* _QAT_COMMON_H_ */