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fce8a7bb JM |
1 | /* |
2 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
3 | * redistributing this file, you may do so under either license. | |
4 | * | |
5 | * GPL LICENSE SUMMARY | |
6 | * | |
7 | * Copyright(c) 2012 Intel Corporation. All rights reserved. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of version 2 of the GNU General Public License as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * BSD LICENSE | |
14 | * | |
15 | * Copyright(c) 2012 Intel Corporation. All rights reserved. | |
16 | * | |
17 | * Redistribution and use in source and binary forms, with or without | |
18 | * modification, are permitted provided that the following conditions | |
19 | * are met: | |
20 | * | |
21 | * * Redistributions of source code must retain the above copyright | |
22 | * notice, this list of conditions and the following disclaimer. | |
23 | * * Redistributions in binary form must reproduce the above copy | |
24 | * notice, this list of conditions and the following disclaimer in | |
25 | * the documentation and/or other materials provided with the | |
26 | * distribution. | |
27 | * * Neither the name of Intel Corporation nor the names of its | |
28 | * contributors may be used to endorse or promote products derived | |
29 | * from this software without specific prior written permission. | |
30 | * | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
36 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
37 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
38 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
39 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
40 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
41 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
42 | * | |
43 | * Intel PCIe NTB Linux driver | |
44 | * | |
45 | * Contact Information: | |
46 | * Jon Mason <jon.mason@intel.com> | |
47 | */ | |
48 | ||
49 | struct ntb_transport_qp; | |
50 | ||
51 | struct ntb_client { | |
52 | struct device_driver driver; | |
53 | int (*probe) (struct pci_dev *pdev); | |
54 | void (*remove) (struct pci_dev *pdev); | |
55 | }; | |
56 | ||
57 | int ntb_register_client(struct ntb_client *drvr); | |
58 | void ntb_unregister_client(struct ntb_client *drvr); | |
59 | int ntb_register_client_dev(char *device_name); | |
60 | void ntb_unregister_client_dev(char *device_name); | |
61 | ||
62 | struct ntb_queue_handlers { | |
63 | void (*rx_handler) (struct ntb_transport_qp *qp, void *qp_data, | |
64 | void *data, int len); | |
65 | void (*tx_handler) (struct ntb_transport_qp *qp, void *qp_data, | |
66 | void *data, int len); | |
67 | void (*event_handler) (void *data, int status); | |
68 | }; | |
69 | ||
70 | unsigned char ntb_transport_qp_num(struct ntb_transport_qp *qp); | |
71 | unsigned int ntb_transport_max_size(struct ntb_transport_qp *qp); | |
72 | struct ntb_transport_qp * | |
73 | ntb_transport_create_queue(void *data, struct pci_dev *pdev, | |
74 | const struct ntb_queue_handlers *handlers); | |
75 | void ntb_transport_free_queue(struct ntb_transport_qp *qp); | |
76 | int ntb_transport_rx_enqueue(struct ntb_transport_qp *qp, void *cb, void *data, | |
77 | unsigned int len); | |
78 | int ntb_transport_tx_enqueue(struct ntb_transport_qp *qp, void *cb, void *data, | |
79 | unsigned int len); | |
80 | void *ntb_transport_rx_remove(struct ntb_transport_qp *qp, unsigned int *len); | |
81 | void ntb_transport_link_up(struct ntb_transport_qp *qp); | |
82 | void ntb_transport_link_down(struct ntb_transport_qp *qp); | |
83 | bool ntb_transport_link_query(struct ntb_transport_qp *qp); |