From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dasaratharaman Chandramouli Subject: [PATCH rdma-core 6/7] IB/core: Add rdma_cap_opa_ah to expose opa address handles Date: Wed, 15 Mar 2017 17:24:25 -0400 Message-ID: <1489613066-61684-7-git-send-email-dasaratharaman.chandramouli@intel.com> References: <1489613066-61684-1-git-send-email-dasaratharaman.chandramouli@intel.com> Return-path: In-Reply-To: <1489613066-61684-1-git-send-email-dasaratharaman.chandramouli-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Don Hiatt , Ira Weiny , Doug Ledford , linux-rdma List-Id: linux-rdma@vger.kernel.org rdma_cap_opa_ah(..) enables core components to check if the corresponding port supports OPA extended addressing. Reviewed-by: Ira Weiny Reviewed-by: Don Hiatt Signed-off-by: Dasaratharaman Chandramouli --- 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 8c61532..64cc4ef 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -493,6 +493,7 @@ 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 @@ -2519,6 +2520,21 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html