From: Moshe Shemesh Date: Wed, 21 Jun 2017 06:29:36 +0000 (+0300) Subject: (IB, net)/mlx4: Add resource utilization support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f3301870161ca293cd14b20a802c5646da02407f;p=linux.git (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 Signed-off-by: Leon Romanovsky Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index ff931c580557b..95382faa7ad1e 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -218,6 +218,7 @@ struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, goto err_mtt; uar = &to_mucontext(context)->uar; + cq->mcq.usage = MLX4_RES_USAGE_USER_VERBS; } else { err = mlx4_db_alloc(dev->dev, &cq->db, 1); if (err) @@ -233,6 +234,7 @@ struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, goto err_db; uar = &dev->priv_uar; + cq->mcq.usage = MLX4_RES_USAGE_DRIVER; } if (dev->eq_table) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index e8c290edb1e13..0944e224c0dfe 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -2779,7 +2779,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) allocated = 0; if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) == IB_LINK_LAYER_ETHERNET) { - err = mlx4_counter_alloc(ibdev->dev, &counter_index); + err = mlx4_counter_alloc(ibdev->dev, &counter_index, + MLX4_RES_USAGE_DRIVER); /* if failed to allocate a new counter, use default */ if (err) counter_index = @@ -2834,7 +2835,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, MLX4_IB_UC_STEER_QPN_ALIGN, - &ibdev->steer_qpn_base, 0); + &ibdev->steer_qpn_base, 0, + MLX4_RES_USAGE_DRIVER); if (err) goto err_counter; diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index d1caa39a3943a..247b9132e9de1 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; diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index c56a511b918e0..72eb50cd5ecd1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -241,13 +241,14 @@ err_out: return err; } -static int mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn) +static int mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn, u8 usage) { + u32 in_modifier = RES_CQ | (((u32)usage & 3) << 30); u64 out_param; int err; if (mlx4_is_mfunc(dev)) { - err = mlx4_cmd_imm(dev, 0, &out_param, RES_CQ, + err = mlx4_cmd_imm(dev, 0, &out_param, in_modifier, RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (err) @@ -303,7 +304,7 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, cq->vector = vector; - err = mlx4_cq_alloc_icm(dev, &cq->cqn); + err = mlx4_cq_alloc_icm(dev, &cq->cqn, cq->usage); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 85fe17e4dcfba..f849eec21824e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -140,6 +140,7 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, (cq->type == RX && priv->hwtstamp_config.rx_filter)) timestamp_en = 1; + cq->mcq.usage = MLX4_RES_USAGE_DRIVER; err = mlx4_cq_alloc(mdev->dev, cq->size, &cq->wqres.mtt, &mdev->priv_uar, cq->wqres.db.dma, &cq->mcq, cq->vector, 0, timestamp_en); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 3a291fc1780ab..e3e6d9fa69fd1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -651,7 +651,8 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv) return 0; } - err = mlx4_qp_reserve_range(dev, 1, 1, qpn, MLX4_RESERVE_A0_QP); + err = mlx4_qp_reserve_range(dev, 1, 1, qpn, MLX4_RESERVE_A0_QP, + MLX4_RES_USAGE_DRIVER); en_dbg(DRV, priv, "Reserved qp %d\n", *qpn); if (err) { en_err(priv, "Failed to reserve qp for mac registration\n"); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 436f7689a0321..ad1ffd5857cbb 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1081,7 +1081,8 @@ int mlx4_en_create_drop_qp(struct mlx4_en_priv *priv) u32 qpn; err = mlx4_qp_reserve_range(priv->mdev->dev, 1, 1, &qpn, - MLX4_RESERVE_A0_QP); + MLX4_RESERVE_A0_QP, + MLX4_RES_USAGE_DRIVER); if (err) { en_err(priv, "Failed reserving drop qpn\n"); return err; @@ -1127,7 +1128,8 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) flags = priv->rx_ring_num == 1 ? MLX4_RESERVE_A0_QP : 0; err = mlx4_qp_reserve_range(mdev->dev, priv->rx_ring_num, priv->rx_ring_num, - &rss_map->base_qpn, flags); + &rss_map->base_qpn, flags, + MLX4_RES_USAGE_DRIVER); if (err) { en_err(priv, "Failed reserving %d qps\n", priv->rx_ring_num); return err; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 73faa3d779214..a81db2582555e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -105,7 +105,8 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, (unsigned long long) ring->sp_wqres.buf.direct.map); err = mlx4_qp_reserve_range(mdev->dev, 1, 1, &ring->qpn, - MLX4_RESERVE_ETH_BF_QP); + MLX4_RESERVE_ETH_BF_QP, + MLX4_RES_USAGE_DRIVER); if (err) { en_err(priv, "failed reserving qp for TX ring\n"); goto err_hwq_res; diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index a27c9c13a36ed..fb2591d0e7352 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2475,7 +2475,7 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev) priv->def_counter[port] = -1; for (port = 0; port < dev->caps.num_ports; port++) { - err = mlx4_counter_alloc(dev, &idx); + err = mlx4_counter_alloc(dev, &idx, MLX4_RES_USAGE_DRIVER); if (!err || err == -ENOSPC) { priv->def_counter[port] = idx; @@ -2517,13 +2517,14 @@ int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) return 0; } -int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) +int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage) { + u32 in_modifier = RES_COUNTER | (((u32)usage & 3) << 30); u64 out_param; int err; if (mlx4_is_mfunc(dev)) { - err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER, + err = mlx4_cmd_imm(dev, 0, &out_param, in_modifier, RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (!err) diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 26747212526b0..5e5b4475b85e5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -245,8 +245,9 @@ int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, } int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, - int *base, u8 flags) + int *base, u8 flags, u8 usage) { + u32 in_modifier = RES_QP | (((u32)usage & 3) << 30); u64 in_param = 0; u64 out_param; int err; @@ -258,7 +259,7 @@ int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, set_param_l(&in_param, (((u32)flags) << 24) | (u32)cnt); set_param_h(&in_param, align); err = mlx4_cmd_imm(dev, in_param, &out_param, - RES_QP, RES_OP_RESERVE, + in_modifier, RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); if (err) diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index aad5d81dfb444..3607da001ad3a 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -428,6 +428,12 @@ enum mlx4_steer_type { MLX4_NUM_STEERS }; +enum mlx4_resource_usage { + MLX4_RES_USAGE_NONE, + MLX4_RES_USAGE_DRIVER, + MLX4_RES_USAGE_USER_VERBS, +}; + enum { MLX4_NUM_FEXCH = 64 * 1024, }; @@ -748,6 +754,7 @@ struct mlx4_cq { } tasklet_ctx; int reset_notify_added; struct list_head reset_notify; + u8 usage; }; struct mlx4_qp { @@ -757,6 +764,7 @@ struct mlx4_qp { atomic_t refcount; struct completion free; + u8 usage; }; struct mlx4_srq { @@ -1120,7 +1128,7 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt, unsigned vector, int collapsed, int timestamp_en); void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq); int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, - int *base, u8 flags); + int *base, u8 flags, u8 usage); void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt); int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp); @@ -1417,7 +1425,7 @@ int mlx4_get_phys_port_id(struct mlx4_dev *dev); int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port); int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port); -int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx); +int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage); void mlx4_counter_free(struct mlx4_dev *dev, u32 idx); int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port);