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| author |   Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> | 2017-03-20 19:38:09 -0400 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-04-28 14:00:17 -0400 |
| commit | 94d595c56077fd8b0f61701e03fd4b3dc8c62038 (patch) | |
| tree | f4d297869582298814dc6af39732f8d981f27674 /include/rdma/ib_verbs.h | |
| parent | IB/SA: Modify SA to implicitly cache Class Port info (diff) | |
| download | linux-dev-94d595c56077fd8b0f61701e03fd4b3dc8c62038.tar.xz linux-dev-94d595c56077fd8b0f61701e03fd4b3dc8c62038.zip | |
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 <ira.weiny@intel.com>
Reviewed-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | include/rdma/ib_verbs.h | 16 |
1 files changed, 16 insertions, 0 deletions
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 @@ -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 |