1 /* 2 * Copyright (c) 2006 Cisco Systems, Inc. All rights reserved. 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 33 #ifndef MLX4_DRIVER_H 34 #define MLX4_DRIVER_H 35 36 #include <net/devlink.h> 37 #include <linux/mlx4/device.h> 38 39 struct mlx4_dev; 40 41 #define MLX4_MAC_MASK 0xffffffffffffULL 42 43 enum mlx4_dev_event { 44 MLX4_DEV_EVENT_CATASTROPHIC_ERROR, 45 MLX4_DEV_EVENT_PORT_UP, 46 MLX4_DEV_EVENT_PORT_DOWN, 47 MLX4_DEV_EVENT_PORT_REINIT, 48 MLX4_DEV_EVENT_PORT_MGMT_CHANGE, 49 MLX4_DEV_EVENT_SLAVE_INIT, 50 MLX4_DEV_EVENT_SLAVE_SHUTDOWN, 51 }; 52 53 enum { 54 MLX4_INTFF_BONDING = 1 << 0 55 }; 56 57 struct mlx4_interface { 58 void * (*add) (struct mlx4_dev *dev); 59 void (*remove)(struct mlx4_dev *dev, void *context); 60 void (*event) (struct mlx4_dev *dev, void *context, 61 enum mlx4_dev_event event, unsigned long param); 62 void * (*get_dev)(struct mlx4_dev *dev, void *context, u8 port); 63 void (*activate)(struct mlx4_dev *dev, void *context); 64 struct list_head list; 65 enum mlx4_protocol protocol; 66 int flags; 67 }; 68 69 int mlx4_register_interface(struct mlx4_interface *intf); 70 void mlx4_unregister_interface(struct mlx4_interface *intf); 71 72 int mlx4_bond(struct mlx4_dev *dev); 73 int mlx4_unbond(struct mlx4_dev *dev); 74 static inline int mlx4_is_bonded(struct mlx4_dev *dev) 75 { 76 return !!(dev->flags & MLX4_FLAG_BONDED); 77 } 78 79 static inline int mlx4_is_mf_bonded(struct mlx4_dev *dev) 80 { 81 return (mlx4_is_bonded(dev) && mlx4_is_mfunc(dev)); 82 } 83 84 struct mlx4_port_map { 85 u8 port1; 86 u8 port2; 87 }; 88 89 int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p); 90 91 void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port); 92 93 struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port); 94 95 #endif /* MLX4_DRIVER_H */ 96