1*4882a593Smuzhiyun /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2*4882a593Smuzhiyun /* QLogic qedr NIC Driver
3*4882a593Smuzhiyun * Copyright (c) 2015-2017 QLogic Corporation
4*4882a593Smuzhiyun * Copyright (c) 2019-2020 Marvell International Ltd.
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #ifndef QEDE_ROCE_H
8*4882a593Smuzhiyun #define QEDE_ROCE_H
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/pci.h>
11*4882a593Smuzhiyun #include <linux/netdevice.h>
12*4882a593Smuzhiyun #include <linux/types.h>
13*4882a593Smuzhiyun #include <linux/workqueue.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun struct qedr_dev;
16*4882a593Smuzhiyun struct qed_dev;
17*4882a593Smuzhiyun struct qede_dev;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun enum qede_rdma_event {
20*4882a593Smuzhiyun QEDE_UP,
21*4882a593Smuzhiyun QEDE_DOWN,
22*4882a593Smuzhiyun QEDE_CHANGE_ADDR,
23*4882a593Smuzhiyun QEDE_CLOSE,
24*4882a593Smuzhiyun QEDE_CHANGE_MTU,
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun struct qede_rdma_event_work {
28*4882a593Smuzhiyun struct list_head list;
29*4882a593Smuzhiyun struct work_struct work;
30*4882a593Smuzhiyun void *ptr;
31*4882a593Smuzhiyun enum qede_rdma_event event;
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun struct qedr_driver {
35*4882a593Smuzhiyun unsigned char name[32];
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun struct qedr_dev* (*add)(struct qed_dev *, struct pci_dev *,
38*4882a593Smuzhiyun struct net_device *);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun void (*remove)(struct qedr_dev *);
41*4882a593Smuzhiyun void (*notify)(struct qedr_dev *, enum qede_rdma_event);
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun /* APIs for RDMA driver to register callback handlers,
45*4882a593Smuzhiyun * which will be invoked when device is added, removed, ifup, ifdown
46*4882a593Smuzhiyun */
47*4882a593Smuzhiyun int qede_rdma_register_driver(struct qedr_driver *drv);
48*4882a593Smuzhiyun void qede_rdma_unregister_driver(struct qedr_driver *drv);
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun bool qede_rdma_supported(struct qede_dev *dev);
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_QED_RDMA)
53*4882a593Smuzhiyun int qede_rdma_dev_add(struct qede_dev *dev, bool recovery);
54*4882a593Smuzhiyun void qede_rdma_dev_event_open(struct qede_dev *dev);
55*4882a593Smuzhiyun void qede_rdma_dev_event_close(struct qede_dev *dev);
56*4882a593Smuzhiyun void qede_rdma_dev_remove(struct qede_dev *dev, bool recovery);
57*4882a593Smuzhiyun void qede_rdma_event_changeaddr(struct qede_dev *edr);
58*4882a593Smuzhiyun void qede_rdma_event_change_mtu(struct qede_dev *edev);
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun #else
qede_rdma_dev_add(struct qede_dev * dev,bool recovery)61*4882a593Smuzhiyun static inline int qede_rdma_dev_add(struct qede_dev *dev,
62*4882a593Smuzhiyun bool recovery)
63*4882a593Smuzhiyun {
64*4882a593Smuzhiyun return 0;
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun
qede_rdma_dev_event_open(struct qede_dev * dev)67*4882a593Smuzhiyun static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {}
qede_rdma_dev_event_close(struct qede_dev * dev)68*4882a593Smuzhiyun static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {}
qede_rdma_dev_remove(struct qede_dev * dev,bool recovery)69*4882a593Smuzhiyun static inline void qede_rdma_dev_remove(struct qede_dev *dev,
70*4882a593Smuzhiyun bool recovery) {}
qede_rdma_event_changeaddr(struct qede_dev * edr)71*4882a593Smuzhiyun static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
72*4882a593Smuzhiyun #endif
73*4882a593Smuzhiyun #endif
74