From: Dasaratharaman Chandramouli Date: Mon, 20 Mar 2017 23:38:09 +0000 (-0400) Subject: IB/core: Add rdma_cap_opa_ah to expose opa address handles X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=94d595c56077fd8b0f61701e03fd4b3dc8c62038;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git 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: Ira Weiny Reviewed-by: Don Hiatt Signed-off-by: Dasaratharaman Chandramouli Signed-off-by: Doug Ledford --- diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index ab2dc5284e8c..b6a0b5fa7f15 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 @@ -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. *