mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-19 00:54:41 +08:00
9e2a187a93
In order to avoid double multiplexing of the resource when it is a CQ, add a dedicated callback function. Link: https://lore.kernel.org/r/20200623113043.1228482-6-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>
121 lines
2.8 KiB
C
121 lines
2.8 KiB
C
// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
// Copyright (c) 2019 Hisilicon Limited.
|
|
|
|
#include <rdma/rdma_cm.h>
|
|
#include <rdma/restrack.h>
|
|
#include <uapi/rdma/rdma_netlink.h>
|
|
#include "hnae3.h"
|
|
#include "hns_roce_common.h"
|
|
#include "hns_roce_device.h"
|
|
#include "hns_roce_hw_v2.h"
|
|
|
|
static int hns_roce_fill_cq(struct sk_buff *msg,
|
|
struct hns_roce_v2_cq_context *context)
|
|
{
|
|
if (rdma_nl_put_driver_u32(msg, "state",
|
|
roce_get_field(context->byte_4_pg_ceqn,
|
|
V2_CQC_BYTE_4_ARM_ST_M,
|
|
V2_CQC_BYTE_4_ARM_ST_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "ceqn",
|
|
roce_get_field(context->byte_4_pg_ceqn,
|
|
V2_CQC_BYTE_4_CEQN_M,
|
|
V2_CQC_BYTE_4_CEQN_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "cqn",
|
|
roce_get_field(context->byte_8_cqn,
|
|
V2_CQC_BYTE_8_CQN_M,
|
|
V2_CQC_BYTE_8_CQN_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "hopnum",
|
|
roce_get_field(context->byte_16_hop_addr,
|
|
V2_CQC_BYTE_16_CQE_HOP_NUM_M,
|
|
V2_CQC_BYTE_16_CQE_HOP_NUM_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(
|
|
msg, "pi",
|
|
roce_get_field(context->byte_28_cq_pi,
|
|
V2_CQC_BYTE_28_CQ_PRODUCER_IDX_M,
|
|
V2_CQC_BYTE_28_CQ_PRODUCER_IDX_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(
|
|
msg, "ci",
|
|
roce_get_field(context->byte_32_cq_ci,
|
|
V2_CQC_BYTE_32_CQ_CONSUMER_IDX_M,
|
|
V2_CQC_BYTE_32_CQ_CONSUMER_IDX_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(
|
|
msg, "coalesce",
|
|
roce_get_field(context->byte_56_cqe_period_maxcnt,
|
|
V2_CQC_BYTE_56_CQ_MAX_CNT_M,
|
|
V2_CQC_BYTE_56_CQ_MAX_CNT_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(
|
|
msg, "period",
|
|
roce_get_field(context->byte_56_cqe_period_maxcnt,
|
|
V2_CQC_BYTE_56_CQ_PERIOD_M,
|
|
V2_CQC_BYTE_56_CQ_PERIOD_S)))
|
|
goto err;
|
|
|
|
if (rdma_nl_put_driver_u32(msg, "cnt",
|
|
roce_get_field(context->byte_52_cqe_cnt,
|
|
V2_CQC_BYTE_52_CQE_CNT_M,
|
|
V2_CQC_BYTE_52_CQE_CNT_S)))
|
|
goto err;
|
|
|
|
return 0;
|
|
|
|
err:
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
|
|
struct ib_cq *ib_cq)
|
|
{
|
|
struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
|
|
struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
|
|
struct hns_roce_v2_cq_context *context;
|
|
struct nlattr *table_attr;
|
|
int ret;
|
|
|
|
if (!hr_dev->dfx->query_cqc_info)
|
|
return -EINVAL;
|
|
|
|
context = kzalloc(sizeof(struct hns_roce_v2_cq_context), GFP_KERNEL);
|
|
if (!context)
|
|
return -ENOMEM;
|
|
|
|
ret = hr_dev->dfx->query_cqc_info(hr_dev, hr_cq->cqn, (int *)context);
|
|
if (ret)
|
|
goto err;
|
|
|
|
table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
|
|
if (!table_attr) {
|
|
ret = -EMSGSIZE;
|
|
goto err;
|
|
}
|
|
|
|
if (hns_roce_fill_cq(msg, context)) {
|
|
ret = -EMSGSIZE;
|
|
goto err_cancel_table;
|
|
}
|
|
|
|
nla_nest_end(msg, table_attr);
|
|
kfree(context);
|
|
|
|
return 0;
|
|
|
|
err_cancel_table:
|
|
nla_nest_cancel(msg, table_attr);
|
|
err:
|
|
kfree(context);
|
|
return ret;
|
|
}
|