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path: root/drivers/infiniband/hw/mlx4/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/main.c')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c130
1 files changed, 68 insertions, 62 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 7b445df6a667..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;
@@ -215,34 +230,33 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
switch (ext_active_speed) {
case 1:
- props->active_speed = 16; /* FDR */
+ props->active_speed = IB_SPEED_FDR;
break;
case 2:
- props->active_speed = 32; /* EDR */
+ props->active_speed = IB_SPEED_EDR;
break;
}
}
/* If reported active speed is QDR, check if is FDR-10 */
- if (props->active_speed == 4) {
- if (to_mdev(ibdev)->dev->caps.ext_port_cap[port] &
- MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) {
- init_query_mad(in_mad);
- in_mad->attr_id = MLX4_ATTR_EXTENDED_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)
- return err;
+ if (props->active_speed == IB_SPEED_QDR) {
+ init_query_mad(in_mad);
+ in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO;
+ in_mad->attr_mod = cpu_to_be32(port);
- /* Checking LinkSpeedActive for FDR-10 */
- if (out_mad->data[15] & 0x1)
- props->active_speed = 8;
- }
- }
+ err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port,
+ NULL, NULL, in_mad, out_mad);
+ if (err)
+ return err;
- return 0;
+ /* Checking LinkSpeedActive for FDR-10 */
+ if (out_mad->data[15] & 0x1)
+ props->active_speed = IB_SPEED_FDR10;
+ }
+out:
+ kfree(in_mad);
+ kfree(out_mad);
+ return err;
}
static u8 state_to_phys_state(enum ib_port_state state)
@@ -251,32 +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_speed = 4;
+ 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;
@@ -284,41 +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;
}