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
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -402,7 +402,7 @@
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
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -388,7 +388,7 @@
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
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -274,7 +274,7 @@
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;