1/* QLogic qedr NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and /or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32#ifndef QEDE_ROCE_H 33#define QEDE_ROCE_H 34 35#include <linux/pci.h> 36#include <linux/netdevice.h> 37#include <linux/types.h> 38#include <linux/workqueue.h> 39 40struct qedr_dev; 41struct qed_dev; 42struct qede_dev; 43 44enum qede_rdma_event { 45 QEDE_UP, 46 QEDE_DOWN, 47 QEDE_CHANGE_ADDR, 48 QEDE_CLOSE 49}; 50 51struct qede_rdma_event_work { 52 struct list_head list; 53 struct work_struct work; 54 void *ptr; 55 enum qede_rdma_event event; 56}; 57 58struct qedr_driver { 59 unsigned char name[32]; 60 61 struct qedr_dev* (*add)(struct qed_dev *, struct pci_dev *, 62 struct net_device *); 63 64 void (*remove)(struct qedr_dev *); 65 void (*notify)(struct qedr_dev *, enum qede_rdma_event); 66}; 67 68/* APIs for RDMA driver to register callback handlers, 69 * which will be invoked when device is added, removed, ifup, ifdown 70 */ 71int qede_rdma_register_driver(struct qedr_driver *drv); 72void qede_rdma_unregister_driver(struct qedr_driver *drv); 73 74bool qede_rdma_supported(struct qede_dev *dev); 75 76#if IS_ENABLED(CONFIG_QED_RDMA) 77int qede_rdma_dev_add(struct qede_dev *dev); 78void qede_rdma_dev_event_open(struct qede_dev *dev); 79void qede_rdma_dev_event_close(struct qede_dev *dev); 80void qede_rdma_dev_remove(struct qede_dev *dev); 81void qede_rdma_event_changeaddr(struct qede_dev *edr); 82 83#else 84static inline int qede_rdma_dev_add(struct qede_dev *dev) 85{ 86 return 0; 87} 88 89static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {} 90static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {} 91static inline void qede_rdma_dev_remove(struct qede_dev *dev) {} 92static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {} 93#endif 94#endif 95