From: Ira Weiny <[email protected]> Change all IB drivers to report the IB management size. Add check to verify that all devices support at least IB_MGMT_MAD_SIZE
Signed-off-by: Ira Weiny <[email protected]> --- drivers/infiniband/core/mad.c | 6 ++++++ drivers/infiniband/hw/amso1100/c2_rnic.c | 1 + drivers/infiniband/hw/cxgb3/iwch_provider.c | 1 + drivers/infiniband/hw/cxgb4/provider.c | 1 + drivers/infiniband/hw/ehca/ehca_hca.c | 2 ++ drivers/infiniband/hw/ipath/ipath_verbs.c | 1 + drivers/infiniband/hw/mlx4/main.c | 1 + drivers/infiniband/hw/mlx5/main.c | 1 + drivers/infiniband/hw/mthca/mthca_provider.c | 2 ++ drivers/infiniband/hw/nes/nes_verbs.c | 1 + drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 1 + drivers/infiniband/hw/qib/qib_verbs.c | 1 + drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 1 + include/rdma/ib_mad.h | 1 + include/rdma/ib_verbs.h | 1 + 15 files changed, 22 insertions(+), 0 deletions(-) diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 819b794..031ae6f 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -2924,6 +2924,12 @@ static int ib_mad_port_open(struct ib_device *device, char name[sizeof "ib_mad123"]; int has_smi; + if (device->attributes.mad_size < IB_MGMT_MAD_SIZE) { + dev_err(&device->dev, "Min MAD size for device is %u\n", + IB_MGMT_MAD_SIZE); + return -EFAULT; + } + /* Create new device info */ port_priv = kzalloc(sizeof *port_priv, GFP_KERNEL); if (!port_priv) { diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c index d2a6d96..8f77f2c 100644 --- a/drivers/infiniband/hw/amso1100/c2_rnic.c +++ b/drivers/infiniband/hw/amso1100/c2_rnic.c @@ -197,6 +197,7 @@ static int c2_rnic_query(struct c2_dev *c2dev, struct ib_device_attr *props) props->max_srq_sge = 0; props->max_pkeys = 0; props->local_ca_ack_delay = 0; + props->mad_size = IB_MGMT_MAD_SIZE; bail2: vq_repbuf_free(c2dev, reply); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 811b24a..a308760 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1174,6 +1174,7 @@ static int iwch_query_device(struct ib_device *ibdev, props->max_pd = dev->attr.max_pds; props->local_ca_ack_delay = 0; props->max_fast_reg_page_list_len = T3_MAX_FASTREG_DEPTH; + props->mad_size = IB_MGMT_MAD_SIZE; return 0; } diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 66bd6a2..cd1434e 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -332,6 +332,7 @@ static int c4iw_query_device(struct ib_device *ibdev, props->max_pd = T4_MAX_NUM_PD; props->local_ca_ack_delay = 0; props->max_fast_reg_page_list_len = t4_max_fr_depth(use_dsgl); + props->mad_size = IB_MGMT_MAD_SIZE; return 0; } diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c index 9ed4d25..ca84efb 100644 --- a/drivers/infiniband/hw/ehca/ehca_hca.c +++ b/drivers/infiniband/hw/ehca/ehca_hca.c @@ -133,6 +133,8 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) if (rblock->hca_cap_indicators & cap_mapping[i + 1]) props->device_cap_flags |= cap_mapping[i]; + props->mad_size = IB_MGMT_MAD_SIZE; + query_device1: ehca_free_fw_ctrlblock(rblock); diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 44ea939..f9d2dc9 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -1538,6 +1538,7 @@ static int ipath_query_device(struct ib_device *ibdev, props->max_mcast_qp_attach = ib_ipath_max_mcast_qp_attached; props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; + props->mad_size = IB_MGMT_MAD_SIZE; return 0; } diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 57ecc5b..5c0ca80 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -229,6 +229,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; props->max_map_per_fmr = dev->dev->caps.max_fmr_maps; + props->mad_size = IB_MGMT_MAD_SIZE; out: kfree(in_mad); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 8a87404..3613f87 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -243,6 +243,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ + props->mad_size = IB_MGMT_MAD_SIZE; #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING if (dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG) diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 415f8e1..9194b70 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -123,6 +123,8 @@ static int mthca_query_device(struct ib_device *ibdev, props->max_map_per_fmr = (1 << (32 - ilog2(mdev->limits.num_mpts))) - 1; + props->mad_size = IB_MGMT_MAD_SIZE; + err = 0; out: kfree(in_mad); diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index c0d0296..c4b0aba 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -555,6 +555,7 @@ static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *prop props->max_qp_init_rd_atom = props->max_qp_rd_atom; props->atomic_cap = IB_ATOMIC_NONE; props->max_map_per_fmr = 1; + props->mad_size = IB_MGMT_MAD_SIZE; return 0; } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index fb8d8c4..ee04a25 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -103,6 +103,7 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr) attr->local_ca_ack_delay = dev->attr.local_ca_ack_delay; attr->max_fast_reg_page_list_len = dev->attr.max_pages_per_frmr; attr->max_pkeys = 1; + attr->mad_size = IB_MGMT_MAD_SIZE; return 0; } diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index 9bcfbd8..95ceb17 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1591,6 +1591,7 @@ static int qib_query_device(struct ib_device *ibdev, props->max_mcast_qp_attach = ib_qib_max_mcast_qp_attached; props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; + props->mad_size = IB_MGMT_MAD_SIZE; return 0; } diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 53bd6a2..3cd571e 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -296,6 +296,7 @@ int usnic_ib_query_device(struct ib_device *ibdev, props->max_mcast_qp_attach = 0; props->max_total_mcast_qp_attach = 0; props->max_map_per_fmr = 0; + props->mad_size = IB_MGMT_MAD_SIZE; /* Owned by Userspace * max_qp_wr, max_sge, max_sge_rd, max_cqe */ mutex_unlock(&us_ibdev->usdev_lock); diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 9c89939..5823016 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -135,6 +135,7 @@ enum { IB_MGMT_SA_DATA = 200, IB_MGMT_DEVICE_HDR = 64, IB_MGMT_DEVICE_DATA = 192, + IB_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + IB_MGMT_MAD_DATA, }; struct ib_mad_hdr { diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 86fc90f..b35e472 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -210,6 +210,7 @@ struct ib_device_attr { int sig_prot_cap; int sig_guard_cap; struct ib_odp_caps odp_caps; + u32 mad_size; }; enum ib_mtu { -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
