New upstream version 18.08

[deb_dpdk.git] / drivers / common / qat / qat_device.h

diff --git a/drivers/common/qat/qat_device.h b/drivers/common/qat/qat_device.h
new file mode 100644 (file)
index 0000000..9599fc5
--- /dev/null
+++ 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_ */