tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* QLogic qedr NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32#ifndef QEDE_ROCE_H
33#define QEDE_ROCE_H
34
35struct qedr_dev;
36struct qed_dev;
37struct qede_dev;
38
39enum qede_roce_event {
40 QEDE_UP,
41 QEDE_DOWN,
42 QEDE_CHANGE_ADDR,
43 QEDE_CLOSE
44};
45
46struct qede_roce_event_work {
47 struct list_head list;
48 struct work_struct work;
49 void *ptr;
50 enum qede_roce_event event;
51};
52
53struct qedr_driver {
54 unsigned char name[32];
55
56 struct qedr_dev* (*add)(struct qed_dev *, struct pci_dev *,
57 struct net_device *);
58
59 void (*remove)(struct qedr_dev *);
60 void (*notify)(struct qedr_dev *, enum qede_roce_event);
61};
62
63/* APIs for RoCE driver to register callback handlers,
64 * which will be invoked when device is added, removed, ifup, ifdown
65 */
66int qede_roce_register_driver(struct qedr_driver *drv);
67void qede_roce_unregister_driver(struct qedr_driver *drv);
68
69bool qede_roce_supported(struct qede_dev *dev);
70
71#if IS_ENABLED(CONFIG_QED_RDMA)
72int qede_roce_dev_add(struct qede_dev *dev);
73void qede_roce_dev_event_open(struct qede_dev *dev);
74void qede_roce_dev_event_close(struct qede_dev *dev);
75void qede_roce_dev_remove(struct qede_dev *dev);
76void qede_roce_event_changeaddr(struct qede_dev *qedr);
77#else
78static inline int qede_roce_dev_add(struct qede_dev *dev)
79{
80 return 0;
81}
82
83static inline void qede_roce_dev_event_open(struct qede_dev *dev) {}
84static inline void qede_roce_dev_event_close(struct qede_dev *dev) {}
85static inline void qede_roce_dev_remove(struct qede_dev *dev) {}
86static inline void qede_roce_event_changeaddr(struct qede_dev *qedr) {}
87#endif
88#endif