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author | Roland Dreier <roland@purestorage.com> | 2012-03-12 16:25:28 -0700 |
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committer | Roland Dreier <roland@purestorage.com> | 2012-03-12 16:25:28 -0700 |
commit | 42872c7a5ed8d3ed49f51cb783978ca50369c564 (patch) | |
tree | 0deea7b61c163e6997a4634ab4ee310014984688 /drivers/infiniband | |
parent | d927d505c59a0c7353343174e6225c43c61fba6d (diff) | |
parent | db5a7a65c05867cb6ff5cb6d556a0edfce631d2d (diff) | |
download | lwn-42872c7a5ed8d3ed49f51cb783978ca50369c564.tar.gz lwn-42872c7a5ed8d3ed49f51cb783978ca50369c564.zip |
Merge branches 'misc' and 'mlx4' into for-next
Conflicts:
drivers/infiniband/hw/mlx4/main.c
drivers/net/ethernet/mellanox/mlx4/main.c
include/linux/mlx4/device.h
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/hw/mlx4/cq.c | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 97 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 1 |
3 files changed, 55 insertions, 46 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 09eb1d19e72d..77c8cb4c5073 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -748,8 +748,7 @@ int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) break; } - if (npolled) - mlx4_cq_set_ci(&cq->mcq); + mlx4_cq_set_ci(&cq->mcq); spin_unlock_irqrestore(&cq->lock, flags); diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index abce99ed565f..75d305629300 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -163,7 +163,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; - props->max_map_per_fmr = (1 << (32 - ilog2(dev->dev->caps.num_mpts))) - 1; + props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; out: kfree(in_mad); @@ -182,12 +182,27 @@ mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) } static int ib_link_query_port(struct ib_device *ibdev, u8 port, - struct ib_port_attr *props, - struct ib_smp *in_mad, - struct ib_smp *out_mad) + struct ib_port_attr *props) { + struct ib_smp *in_mad = NULL; + struct ib_smp *out_mad = NULL; int ext_active_speed; - int err; + int err = -ENOMEM; + + in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); + out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); + if (!in_mad || !out_mad) + goto out; + + init_query_mad(in_mad); + in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; + in_mad->attr_mod = cpu_to_be32(port); + + err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, + in_mad, out_mad); + if (err) + goto out; + props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); props->lmc = out_mad->data[34] & 0x7; @@ -238,8 +253,10 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port, if (out_mad->data[15] & 0x1) props->active_speed = IB_SPEED_FDR10; } - - return 0; +out: + kfree(in_mad); + kfree(out_mad); + return err; } static u8 state_to_phys_state(enum ib_port_state state) @@ -248,32 +265,42 @@ static u8 state_to_phys_state(enum ib_port_state state) } static int eth_link_query_port(struct ib_device *ibdev, u8 port, - struct ib_port_attr *props, - struct ib_smp *out_mad) + struct ib_port_attr *props) { - struct mlx4_ib_iboe *iboe = &to_mdev(ibdev)->iboe; + + struct mlx4_ib_dev *mdev = to_mdev(ibdev); + struct mlx4_ib_iboe *iboe = &mdev->iboe; struct net_device *ndev; enum ib_mtu tmp; + struct mlx4_cmd_mailbox *mailbox; + int err = 0; + + mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, + MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, + MLX4_CMD_WRAPPED); + if (err) + goto out; - props->active_width = IB_WIDTH_1X; + props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? + IB_WIDTH_4X : IB_WIDTH_1X; props->active_speed = IB_SPEED_QDR; props->port_cap_flags = IB_PORT_CM_SUP; - props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; - props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; + props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; + props->max_msg_sz = mdev->dev->caps.max_msg_sz; props->pkey_tbl_len = 1; - props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); - props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); props->max_mtu = IB_MTU_4096; - props->subnet_timeout = 0; - props->max_vl_num = out_mad->data[37] >> 4; - props->init_type_reply = 0; + props->max_vl_num = 2; props->state = IB_PORT_DOWN; props->phys_state = state_to_phys_state(props->state); props->active_mtu = IB_MTU_256; spin_lock(&iboe->lock); ndev = iboe->netdevs[port - 1]; if (!ndev) - goto out; + goto out_unlock; tmp = iboe_get_mtu(ndev->mtu); props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; @@ -281,41 +308,23 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port, props->state = (netif_running(ndev) && netif_carrier_ok(ndev)) ? IB_PORT_ACTIVE : IB_PORT_DOWN; props->phys_state = state_to_phys_state(props->state); - -out: +out_unlock: spin_unlock(&iboe->lock); - return 0; +out: + mlx4_free_cmd_mailbox(mdev->dev, mailbox); + return err; } static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props) { - struct ib_smp *in_mad = NULL; - struct ib_smp *out_mad = NULL; - int err = -ENOMEM; - - in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); - out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); - if (!in_mad || !out_mad) - goto out; + int err; memset(props, 0, sizeof *props); - init_query_mad(in_mad); - in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; - in_mad->attr_mod = cpu_to_be32(port); - - err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad); - if (err) - goto out; - err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? - ib_link_query_port(ibdev, port, props, in_mad, out_mad) : - eth_link_query_port(ibdev, port, props, out_mad); - -out: - kfree(in_mad); - kfree(out_mad); + ib_link_query_port(ibdev, port, props) : + eth_link_query_port(ibdev, port, props); return err; } diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index aa2aefa4236c..3a7848966627 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1884,6 +1884,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, wmb(); if (wr->opcode < 0 || wr->opcode >= ARRAY_SIZE(mlx4_ib_opcode)) { + *bad_wr = wr; err = -EINVAL; goto out; } |