diff options
| -rw-r--r-- | include/rdma/ib_verbs.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 46c8eb8f1bc7..986fddb08579 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -374,6 +374,7 @@ union rdma_protocol_stats { #define RDMA_CORE_CAP_IB_CM 0x00000004 #define RDMA_CORE_CAP_IW_CM 0x00000008 #define RDMA_CORE_CAP_IB_SA 0x00000010 +#define RDMA_CORE_CAP_OPA_MAD 0x00000020 /* Address format 0x000FF000 */ #define RDMA_CORE_CAP_AF_IB 0x00001000 @@ -397,6 +398,8 @@ union rdma_protocol_stats { | RDMA_CORE_CAP_ETH_AH) #define RDMA_CORE_PORT_IWARP (RDMA_CORE_CAP_PROT_IWARP \ | RDMA_CORE_CAP_IW_CM) +#define RDMA_CORE_PORT_INTEL_OPA (RDMA_CORE_PORT_IBA_IB \ + | RDMA_CORE_CAP_OPA_MAD) struct ib_port_attr { enum ib_port_state state; @@ -1886,6 +1889,31 @@ static inline bool rdma_cap_ib_mad(const struct ib_device *device, u8 port_num) } /** + * rdma_cap_opa_mad - Check if the port of device provides support for OPA + * Management Datagrams. + * @device: Device to check + * @port_num: Port number to check + * + * Intel OmniPath devices extend and/or replace the InfiniBand Management + * datagrams with their own versions. These OPA MADs share many but not all of + * the characteristics of InfiniBand MADs. + * + * OPA MADs differ in the following ways: + * + * 1) MADs are variable size up to 2K + * IBTA defined MADs remain fixed at 256 bytes + * 2) OPA SMPs must carry valid PKeys + * 3) OPA SMP packets are a different format + * + * Return: true if the port supports OPA MAD packet formats. + */ +static inline bool rdma_cap_opa_mad(struct ib_device *device, u8 port_num) +{ + return (device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_OPA_MAD) + == RDMA_CORE_CAP_OPA_MAD; +} + +/** * rdma_cap_ib_smi - Check if the port of a device provides an Infiniband * Subnet Management Agent (SMA) on the Subnet Management Interface (SMI). * @device: Device to check |