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-rw-r--r--drivers/common/qat/qat_device.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/common/qat/qat_device.h b/drivers/common/qat/qat_device.h
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+++ b/drivers/common/qat/qat_device.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+#ifndef _QAT_DEVICE_H_
+#define _QAT_DEVICE_H_
+
+#include <rte_bus_pci.h>
+
+#include "qat_common.h"
+#include "qat_logs.h"
+#include "adf_transport_access_macros.h"
+#include "qat_qp.h"
+
+#define QAT_DETACHED (0)
+#define QAT_ATTACHED (1)
+
+#define QAT_DEV_NAME_MAX_LEN 64
+
+/*
+ * This struct holds all the data about a QAT pci device
+ * including data about all services it supports.
+ * It contains
+ * - hw_data
+ * - config data
+ * - runtime data
+ */
+struct qat_sym_dev_private;
+struct qat_comp_dev_private;
+
+struct qat_pci_device {
+
+ /* Data used by all services */
+ char name[QAT_DEV_NAME_MAX_LEN];
+ /**< Name of qat pci device */
+ uint8_t qat_dev_id;
+ /**< Device instance for this qat pci device */
+ struct rte_pci_device *pci_dev;
+ /**< PCI information. */
+ enum qat_device_gen qat_dev_gen;
+ /**< QAT device generation */
+ rte_spinlock_t arb_csr_lock;
+ /**< lock to protect accesses to the arbiter CSR */
+ __extension__
+ uint8_t attached : 1;
+ /**< Flag indicating the device is attached */
+
+ struct qat_qp *qps_in_use[QAT_MAX_SERVICES][ADF_MAX_QPS_ON_ANY_SERVICE];
+ /**< links to qps set up for each service, index same as on API */
+
+ /* Data relating to symmetric crypto service */
+ struct qat_sym_dev_private *sym_dev;
+ /**< link back to cryptodev private data */
+ struct rte_device sym_rte_dev;
+ /**< This represents the crypto subset of this pci device.
+ * Register with this rather than with the one in
+ * pci_dev so that its driver can have a crypto-specific name
+ */
+
+ /* Data relating to compression service */
+ struct qat_comp_dev_private *comp_dev;
+ /**< link back to compressdev private data */
+
+ /* Data relating to asymmetric crypto service */
+
+};
+
+struct qat_gen_hw_data {
+ enum qat_device_gen dev_gen;
+ const struct qat_qp_hw_data (*qp_hw_data)[ADF_MAX_QPS_ON_ANY_SERVICE];
+};
+
+extern struct qat_gen_hw_data qat_gen_config[];
+
+struct qat_pci_device *
+qat_pci_device_allocate(struct rte_pci_device *pci_dev);
+
+int
+qat_pci_device_release(struct rte_pci_device *pci_dev);
+
+struct qat_pci_device *
+qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev);
+
+/* declaration needed for weak functions */
+int
+qat_sym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
+
+int
+qat_asym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
+
+int
+qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
+
+int
+qat_asym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
+
+int
+qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
+
+int
+qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
+
+#endif /* _QAT_DEVICE_H_ */