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Commit 94d595c5 authored by Dasaratharaman Chandramouli's avatar Dasaratharaman Chandramouli Committed by Doug Ledford
Browse files

IB/core: Add rdma_cap_opa_ah to expose opa address handles 



rdma_cap_opa_ah(..) enables core components to check if the
corresponding port supports OPA extended addressing.

Reviewed-by: default avatarIra Weiny <ira.weiny@intel.com>
Reviewed-by: default avatarDon Hiatt <don.hiatt@intel.com>
Signed-off-by: default avatarDasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent ee1c60b1

include/rdma/ib_verbs.h

+16 −0
Original line number Diff line number Diff line
@@ -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
@@ -2604,6 +2605,21 @@ static inline bool rdma_cap_eth_ah(const struct ib_device *device, u8 port_num) 
	return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_ETH_AH;

}



/**

 * 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.

 *