LXR linux/include/linux/qed/qede

   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