1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2/* QLogic qedr NIC Driver
3 * Copyright (c) 2015-2017  QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
5 */
6
7#ifndef QEDE_ROCE_H
8#define QEDE_ROCE_H
9
10#include <linux/pci.h>
11#include <linux/netdevice.h>
12#include <linux/types.h>
13#include <linux/workqueue.h>
14
15struct qedr_dev;
16struct qed_dev;
17struct qede_dev;
18
19enum qede_rdma_event {
20	QEDE_UP,
21	QEDE_DOWN,
22	QEDE_CHANGE_ADDR,
23	QEDE_CLOSE,
24	QEDE_CHANGE_MTU,
25};
26
27struct qede_rdma_event_work {
28	struct list_head list;
29	struct work_struct work;
30	void *ptr;
31	enum qede_rdma_event event;
32};
33
34struct qedr_driver {
35	unsigned char name[32];
36
37	struct qedr_dev* (*add)(struct qed_dev *, struct pci_dev *,
38				struct net_device *);
39
40	void (*remove)(struct qedr_dev *);
41	void (*notify)(struct qedr_dev *, enum qede_rdma_event);
42};
43
44/* APIs for RDMA driver to register callback handlers,
45 * which will be invoked when device is added, removed, ifup, ifdown
46 */
47int qede_rdma_register_driver(struct qedr_driver *drv);
48void qede_rdma_unregister_driver(struct qedr_driver *drv);
49
50bool qede_rdma_supported(struct qede_dev *dev);
51
52#if IS_ENABLED(CONFIG_QED_RDMA)
53int qede_rdma_dev_add(struct qede_dev *dev, bool recovery);
54void qede_rdma_dev_event_open(struct qede_dev *dev);
55void qede_rdma_dev_event_close(struct qede_dev *dev);
56void qede_rdma_dev_remove(struct qede_dev *dev, bool recovery);
57void qede_rdma_event_changeaddr(struct qede_dev *edr);
58void qede_rdma_event_change_mtu(struct qede_dev *edev);
59
60#else
61static inline int qede_rdma_dev_add(struct qede_dev *dev,
62				    bool recovery)
63{
64	return 0;
65}
66
67static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {}
68static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {}
69static inline void qede_rdma_dev_remove(struct qede_dev *dev,
70					bool recovery) {}
71static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
72#endif
73#endif
74