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In order to avoid double multiplexing of the resource when it is a MR, add a dedicated callback function. Link: https://lore.kernel.org/r/20200623113043.1228482-5-leon@kernel.org Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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/*
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* Copyright (c) 2019, Mellanox Technologies inc. All rights reserved.
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*/
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#include <uapi/rdma/rdma_netlink.h>
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#include <rdma/ib_umem_odp.h>
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#include <rdma/restrack.h>
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#include "mlx5_ib.h"
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int mlx5_ib_fill_stat_mr_entry(struct sk_buff *msg,
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struct ib_mr *ibmr)
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{
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struct mlx5_ib_mr *mr = to_mmr(ibmr);
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struct nlattr *table_attr;
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if (!(mr->access_flags & IB_ACCESS_ON_DEMAND))
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return 0;
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table_attr = nla_nest_start(msg,
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RDMA_NLDEV_ATTR_STAT_HWCOUNTERS);
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if (!table_attr)
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goto err;
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if (rdma_nl_stat_hwcounter_entry(msg, "page_faults",
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atomic64_read(&mr->odp_stats.faults)))
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goto err_table;
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if (rdma_nl_stat_hwcounter_entry(
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msg, "page_invalidations",
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atomic64_read(&mr->odp_stats.invalidations)))
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goto err_table;
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nla_nest_end(msg, table_attr);
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return 0;
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err_table:
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nla_nest_cancel(msg, table_attr);
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err:
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return -EMSGSIZE;
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}
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int mlx5_ib_fill_res_mr_entry(struct sk_buff *msg,
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struct ib_mr *ibmr)
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{
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struct mlx5_ib_mr *mr = to_mmr(ibmr);
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struct nlattr *table_attr;
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if (!(mr->access_flags & IB_ACCESS_ON_DEMAND))
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return 0;
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table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
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if (!table_attr)
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goto err;
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if (mr->is_odp_implicit) {
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if (rdma_nl_put_driver_string(msg, "odp", "implicit"))
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goto err;
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} else {
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if (rdma_nl_put_driver_string(msg, "odp", "explicit"))
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goto err;
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}
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nla_nest_end(msg, table_attr);
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return 0;
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err:
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nla_nest_cancel(msg, table_attr);
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return -EMSGSIZE;
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}
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