| 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 |
|---|
| 61 | static inline int qede_rdma_dev_add(struct qede_dev *dev, |
|---|
| 62 | bool recovery) |
|---|
| 63 | { |
|---|
| 64 | return 0; |
|---|
| 65 | } |
|---|
| 66 | |
|---|
| 67 | static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {} |
|---|
| 68 | static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {} |
|---|
| 69 | static inline void qede_rdma_dev_remove(struct qede_dev *dev, |
|---|
| 70 | bool recovery) {} |
|---|
| 71 | static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {} |
|---|
| 72 | #endif |
|---|
| 73 | #endif |
|---|
| 74 | |
|---|
