diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 30 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mr.c | 2 |
2 files changed, 25 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8736bd836dc0..bf3e20cd0298 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -151,7 +151,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs; props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; props->max_srq_sge = dev->dev->caps.max_srq_sge; - props->max_fast_reg_page_list_len = PAGE_SIZE / sizeof (u64); + props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES; props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? IB_ATOMIC_HCA : IB_ATOMIC_NONE; @@ -372,14 +372,32 @@ out: static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, struct ib_device_modify *props) { + struct mlx4_cmd_mailbox *mailbox; + if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) return -EOPNOTSUPP; - if (mask & IB_DEVICE_MODIFY_NODE_DESC) { - spin_lock(&to_mdev(ibdev)->sm_lock); - memcpy(ibdev->node_desc, props->node_desc, 64); - spin_unlock(&to_mdev(ibdev)->sm_lock); - } + if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) + return 0; + + spin_lock(&to_mdev(ibdev)->sm_lock); + memcpy(ibdev->node_desc, props->node_desc, 64); + spin_unlock(&to_mdev(ibdev)->sm_lock); + + /* + * If possible, pass node desc to FW, so it can generate + * a 144 trap. If cmd fails, just ignore. + */ + mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev); + if (IS_ERR(mailbox)) + return 0; + + memset(mailbox->buf, 0, 256); + memcpy(mailbox->buf, props->node_desc, 64); + mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0, + MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A); + + mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox); return 0; } diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c index 1d27b9a8e2d6..dca55b19a6f1 100644 --- a/drivers/infiniband/hw/mlx4/mr.c +++ b/drivers/infiniband/hw/mlx4/mr.c @@ -226,7 +226,7 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device struct mlx4_ib_fast_reg_page_list *mfrpl; int size = page_list_len * sizeof (u64); - if (size > PAGE_SIZE) + if (page_list_len > MLX4_MAX_FAST_REG_PAGES) return ERR_PTR(-EINVAL); mfrpl = kmalloc(sizeof *mfrpl, GFP_KERNEL); |
