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authorMoshe Shemesh <moshe@mellanox.com>2017-06-21 09:29:36 +0300
committerDoug Ledford <dledford@redhat.com>2017-07-24 10:41:35 -0400
commitf3301870161ca293cd14b20a802c5646da02407f (patch)
tree4bec1198b0a45a4f196d81580c2d0d0f2065f8e1 /drivers/infiniband/hw/mlx4/qp.c
parentea30b966f7dd6bcfb20c98a7f99608c7bb10bfac (diff)
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(IB, net)/mlx4: Add resource utilization support
Adding visibility of resource usage of QPs, CQs and counters used by virtual functions. This feature will be used to give the PF administrator more data while debugging VF status. Usage info was added to ALLOC_RES command, to notify the PF if the resource which is being reserved or allocated for the VF will be used by kernel driver or by user verbs. Updated reservation and allocation functions of QP, CQ and counter with additional usage parameter. Signed-off-by: Moshe Shemesh <moshe@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/qp.c')
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index d1caa39a3943..247b9132e9de 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -769,6 +769,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
if (err)
goto err_mtt;
}
+ qp->mqp.usage = MLX4_RES_USAGE_USER_VERBS;
} else {
err = set_rq_size(dev, &init_attr->cap, !!pd->uobject,
qp_has_rq(init_attr), qp, 0);
@@ -841,6 +842,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
err = -ENOMEM;
goto err_wrid;
}
+ qp->mqp.usage = MLX4_RES_USAGE_DRIVER;
}
if (sqpn) {
@@ -860,13 +862,14 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
(init_attr->cap.max_send_wr ?
MLX4_RESERVE_ETH_BF_QP : 0) |
(init_attr->cap.max_recv_wr ?
- MLX4_RESERVE_A0_QP : 0));
+ MLX4_RESERVE_A0_QP : 0),
+ qp->mqp.usage);
else
if (qp->flags & MLX4_IB_QP_NETIF)
err = mlx4_ib_steer_qp_alloc(dev, 1, &qpn);
else
err = mlx4_qp_reserve_range(dev->dev, 1, 1,
- &qpn, 0);
+ &qpn, 0, qp->mqp.usage);
if (err)
goto err_proxy;
}
@@ -1218,7 +1221,9 @@ static struct ib_qp *_mlx4_ib_create_qp(struct ib_pd *pd,
if (udata)
return ERR_PTR(-EINVAL);
if (init_attr->create_flags & MLX4_IB_QP_CREATE_ROCE_V2_GSI) {
- int res = mlx4_qp_reserve_range(to_mdev(pd->device)->dev, 1, 1, &sqpn, 0);
+ int res = mlx4_qp_reserve_range(to_mdev(pd->device)->dev,
+ 1, 1, &sqpn, 0,
+ MLX4_RES_USAGE_DRIVER);
if (res)
return ERR_PTR(res);
@@ -1581,7 +1586,7 @@ static int create_qp_lb_counter(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp)
!(dev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_LB_SRC_CHK))
return 0;
- err = mlx4_counter_alloc(dev->dev, &tmp_idx);
+ err = mlx4_counter_alloc(dev->dev, &tmp_idx, MLX4_RES_USAGE_DRIVER);
if (err)
return err;