rdma_cap_opa_ah(..) enables core components to check if the
corresponding port supports OPA extended addressing.
Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Reviewed-by: Don Hiatt <don.hiatt@xxxxxxxxx>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@xxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
---
include/rdma/ib_verbs.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index ab2dc52..b6a0b5f 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -501,6 +501,7 @@ static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
/* Address format 0x000FF000 */
#define RDMA_CORE_CAP_AF_IB 0x00001000
#define RDMA_CORE_CAP_ETH_AH 0x00002000
+#define RDMA_CORE_CAP_OPA_AH 0x00004000
/* Protocol 0xFFF00000 */
#define RDMA_CORE_CAP_PROT_IB 0x00100000
@@ -2605,6 +2606,21 @@ static inline bool rdma_cap_eth_ah(const struct ib_device *device, u8 port_num)
}
/**
+ * rdma_cap_opa_ah - Check if the port of device supports
+ * OPA Address handles
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * Return: true if we are running on an OPA device which supports
+ * the extended OPA addressing.
+ */
+static inline bool rdma_cap_opa_ah(struct ib_device *device, u8 port_num)
+{
+ return (device->port_immutable[port_num].core_cap_flags &
+ RDMA_CORE_CAP_OPA_AH) == RDMA_CORE_CAP_OPA_AH;
+}
+
+/**
* rdma_max_mad_size - Return the max MAD size required by this RDMA Port.
*
* @device: Device
--
1.8.3.1
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