IB/{core, ulp} Support above 32 possible device capability flags

The old bitwise device_cap_flags variable was limited to u32 which
has all bits already defined. In order to overcome it, we converted
device_cap_flags variable to be u64 type.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index bb1b93c..6fdc7ec 100644 (file)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -402,7 +402,7 @@ static void copy_query_dev_fields(struct ib_uverbs_file *file,
        resp->hw_ver            = attr->hw_ver;
        resp->max_qp            = attr->max_qp;
        resp->max_qp_wr         = attr->max_qp_wr;
-       resp->device_cap_flags  = attr->device_cap_flags;
+       resp->device_cap_flags  = lower_32_bits(attr->device_cap_flags);
        resp->max_sge           = attr->max_sge;
        resp->max_sge_rd        = attr->max_sge_rd;
        resp->max_cq            = attr->max_cq;

diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 85be0de..caec8e9 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -388,7 +388,7 @@ struct ipoib_dev_priv {
        struct dentry *mcg_dentry;
        struct dentry *path_dentry;
 #endif
-       int     hca_caps;
+       u64     hca_caps;
        struct ipoib_ethtool_st ethtool;
        struct timer_list poll_timer;
        unsigned max_send_sge;

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 3a03c1d..c9b6234 100644 (file)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -274,7 +274,7 @@ struct ib_device_attr {
        u32                     hw_ver;
        int                     max_qp;
        int                     max_qp_wr;
-       int                     device_cap_flags;
+       u64                     device_cap_flags;
        int                     max_sge;
        int                     max_sge_rd;
        int                     max_cq;