include/linux/qed/qede_rdma.h

   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