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/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* BSD LICENSE
*
* Copyright(c) 2012 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copy
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Intel PCIe NTB Linux driver
*
* Contact Information:
* Jon Mason <jon.mason@intel.com>
*/
struct ntb_transport_qp;
struct ntb_client {
struct device_driver driver;
int (*probe) (struct pci_dev *pdev);
void (*remove) (struct pci_dev *pdev);
};
int ntb_register_client(struct ntb_client *drvr);
void ntb_unregister_client(struct ntb_client *drvr);
int ntb_register_client_dev(char *device_name);
void ntb_unregister_client_dev(char *device_name);
struct ntb_queue_handlers {
void (*rx_handler) (struct ntb_transport_qp *qp, void *qp_data,
void *data, int len);
void (*tx_handler) (struct ntb_transport_qp *qp, void *qp_data,
void *data, int len);
void (*event_handler) (void *data, int status);
};
unsigned char ntb_transport_qp_num(struct ntb_transport_qp *qp);
unsigned int ntb_transport_max_size(struct ntb_transport_qp *qp);
struct ntb_transport_qp *
ntb_transport_create_queue(void *data, struct pci_dev *pdev,
const struct ntb_queue_handlers *handlers);
void ntb_transport_free_queue(struct ntb_transport_qp *qp);
int ntb_transport_rx_enqueue(struct ntb_transport_qp *qp, void *cb, void *data,
unsigned int len);
int ntb_transport_tx_enqueue(struct ntb_transport_qp *qp, void *cb, void *data,
unsigned int len);
void *ntb_transport_rx_remove(struct ntb_transport_qp *qp, unsigned int *len);
void ntb_transport_link_up(struct ntb_transport_qp *qp);
void ntb_transport_link_down(struct ntb_transport_qp *qp);
bool ntb_transport_link_query(struct ntb_transport_qp *qp);