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
15 struct qedr_dev;
16 struct qed_dev;
17 struct qede_dev;
18
19 enum qede_rdma_event {
20 QEDE_UP,
21 QEDE_DOWN,
22 QEDE_CHANGE_ADDR,
23 QEDE_CLOSE,
24 QEDE_CHANGE_MTU,
25 };
26
27 struct 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
34 struct 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 */
47 int qede_rdma_register_driver(struct qedr_driver *drv);
48 void qede_rdma_unregister_driver(struct qedr_driver *drv);
49
50 bool qede_rdma_supported(struct qede_dev *dev);
51
52 #if IS_ENABLED(CONFIG_QED_RDMA)
53 int qede_rdma_dev_add(struct qede_dev *dev, bool recovery);
54 void qede_rdma_dev_event_open(struct qede_dev *dev);
55 void qede_rdma_dev_event_close(struct qede_dev *dev);
56 void qede_rdma_dev_remove(struct qede_dev *dev, bool recovery);
57 void qede_rdma_event_changeaddr(struct qede_dev *edr);
58 void qede_rdma_event_change_mtu(struct qede_dev *edev);
59
60 #else
qede_rdma_dev_add(struct qede_dev * dev,bool recovery)61 static inline int qede_rdma_dev_add(struct qede_dev *dev,
62 bool recovery)
63 {
64 return 0;
65 }
66
qede_rdma_dev_event_open(struct qede_dev * dev)67 static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {}
qede_rdma_dev_event_close(struct qede_dev * dev)68 static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {}
qede_rdma_dev_remove(struct qede_dev * dev,bool recovery)69 static inline void qede_rdma_dev_remove(struct qede_dev *dev,
70 bool recovery) {}
qede_rdma_event_changeaddr(struct qede_dev * edr)71 static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
72 #endif
73 #endif
74
