LXR linux/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h

   1/*
   2 * Copyright (c) 2017, Mellanox Technologies, Ltd.  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 __LIB_MLX5_H__
  34#define __LIB_MLX5_H__
  35
  36#include "mlx5_core.h"
  37
  38void mlx5_init_reserved_gids(struct mlx5_core_dev *dev);
  39void mlx5_cleanup_reserved_gids(struct mlx5_core_dev *dev);
  40int  mlx5_core_reserve_gids(struct mlx5_core_dev *dev, unsigned int count);
  41void mlx5_core_unreserve_gids(struct mlx5_core_dev *dev, unsigned int count);
  42int  mlx5_core_reserved_gid_alloc(struct mlx5_core_dev *dev, int *gid_index);
  43void mlx5_core_reserved_gid_free(struct mlx5_core_dev *dev, int gid_index);
  44int mlx5_crdump_enable(struct mlx5_core_dev *dev);
  45void mlx5_crdump_disable(struct mlx5_core_dev *dev);
  46int mlx5_crdump_collect(struct mlx5_core_dev *dev, u32 *cr_data);
  47
  48/* TODO move to lib/events.h */
  49
  50#define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
  51#define PORT_MODULE_EVENT_ERROR_TYPE_MASK    0xF
  52
  53enum port_module_event_status_type {
  54        MLX5_MODULE_STATUS_PLUGGED   = 0x1,
  55        MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
  56        MLX5_MODULE_STATUS_ERROR     = 0x3,
  57        MLX5_MODULE_STATUS_DISABLED  = 0x4,
  58        MLX5_MODULE_STATUS_NUM,
  59};
  60
  61enum  port_module_event_error_type {
  62        MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED    = 0x0,
  63        MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX  = 0x1,
  64        MLX5_MODULE_EVENT_ERROR_BUS_STUCK                = 0x2,
  65        MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT  = 0x3,
  66        MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST = 0x4,
  67        MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER       = 0x5,
  68        MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE         = 0x6,
  69        MLX5_MODULE_EVENT_ERROR_BAD_CABLE                = 0x7,
  70        MLX5_MODULE_EVENT_ERROR_PCIE_POWER_SLOT_EXCEEDED = 0xc,
  71        MLX5_MODULE_EVENT_ERROR_NUM,
  72};
  73
  74struct mlx5_pme_stats {
  75        u64 status_counters[MLX5_MODULE_STATUS_NUM];
  76        u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
  77};
  78
  79void mlx5_get_pme_stats(struct mlx5_core_dev *dev, struct mlx5_pme_stats *stats);
  80int mlx5_notifier_call_chain(struct mlx5_events *events, unsigned int event, void *data);
  81
  82/* Crypto */
  83enum {
  84        MLX5_ACCEL_OBJ_TLS_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_TLS,
  85        MLX5_ACCEL_OBJ_IPSEC_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_IPSEC,
  86};
  87
  88int mlx5_create_encryption_key(struct mlx5_core_dev *mdev,
  89                               void *key, u32 sz_bytes,
  90                               u32 key_type, u32 *p_key_id);
  91void mlx5_destroy_encryption_key(struct mlx5_core_dev *mdev, u32 key_id);
  92
  93static inline struct net *mlx5_core_net(struct mlx5_core_dev *dev)
  94{
  95        return devlink_net(priv_to_devlink(dev));
  96}
  97
  98static inline void mlx5_uplink_netdev_set(struct mlx5_core_dev *mdev, struct net_device *netdev)
  99{
 100        mdev->mlx5e_res.uplink_netdev = netdev;
 101}
 102
 103static inline struct net_device *mlx5_uplink_netdev_get(struct mlx5_core_dev *mdev)
 104{
 105        return mdev->mlx5e_res.uplink_netdev;
 106}
 107#endif
 108