linux/drivers/infiniband/hw/mlx5/mad.c

/*
 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/mlx5/vport.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_pma.h>
#include "mlx5_ib.h"
#include "cmd.h"

enum { … };

static bool can_do_mad_ifc(struct mlx5_ib_dev *dev, u32 port_num,
			   struct ib_mad *in_mad)
{ … }

static int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey,
			int ignore_bkey, u32 port, const struct ib_wc *in_wc,
			const struct ib_grh *in_grh, const void *in_mad,
			void *response_mad)
{ … }

static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext,
			       void *out)
{ … }

static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt,
			   void *out)
{ … }

static void pma_cnt_ext_assign_ppcnt(struct ib_pma_portcounters_ext *cnt_ext,
				     void *out)
{ … }

static int query_ib_ppcnt(struct mlx5_core_dev *dev, u8 port_num, u8 plane_num,
			  void *out, size_t sz, bool ext)
{ … }

static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,
			   const struct ib_mad *in_mad, struct ib_mad *out_mad)
{ … }

int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num,
			const struct ib_wc *in_wc, const struct ib_grh *in_grh,
			const struct ib_mad *in, struct ib_mad *out,
			size_t *out_mad_size, u16 *out_mad_pkey_index)
{ … }

int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, unsigned int port)
{ … }

static int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
						 struct ib_smp *out_mad)
{ … }

int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
					 __be64 *sys_image_guid)
{ … }

int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
				 u16 *max_pkeys)
{ … }

int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
				 u32 *vendor_id)
{ … }

int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
{ … }

int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid)
{ … }

int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u32 port, u16 index,
			    u16 *pkey)
{ … }

int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u32 port, int index,
			    union ib_gid *gid)
{ … }

int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port,
			    struct ib_port_attr *props)
{ … }