#define OPA_SPECIAL_OUI (0x00066AULL) #define OPA_MAKE_ID(x) (cpu_to_be64(OPA_SPECIAL_OUI << 40 | (x))) #define OPA_TO_IB_UCAST_LID(x) (((x) >= be16_to_cpu(IB_MULTICAST_LID_BASE)) \
? 0 : x) #define OPA_GID_INDEX 0x1 /** * 0xF8 - 4 bits of multicast range and 1 bit for collective range * Example: For 24 bit LID space, * Multicast range: 0xF00000 to 0xF7FFFF * Collective range: 0xF80000 to 0xFFFFFE
*/ #define OPA_MCAST_NR 0x4 /* Number of top bits set */ #define OPA_COLLECTIVE_NR 0x1 /* Number of bits after MCAST_NR */
/** * ib_is_opa_gid: Returns true if the top 24 bits of the gid * contains the OPA_STL_OUI identifier. This identifies that * the provided gid is a special purpose GID meant to carry * extended LID information. * * @gid: The Global identifier
*/ staticinlinebool ib_is_opa_gid(constunion ib_gid *gid)
{ return ((be64_to_cpu(gid->global.interface_id) >> 40) ==
OPA_SPECIAL_OUI);
}
/** * opa_get_lid_from_gid: Returns the last 32 bits of the gid. * OPA devices use one of the gids in the gid table to also * store the lid. * * @gid: The Global identifier
*/ staticinline u32 opa_get_lid_from_gid(constunion ib_gid *gid)
{ return be64_to_cpu(gid->global.interface_id) & 0xFFFFFFFF;
}
/** * opa_is_extended_lid: Returns true if dlid or slid are * extended. * * @dlid: The DLID * @slid: The SLID
*/ staticinlinebool opa_is_extended_lid(__be32 dlid, __be32 slid)
{ if ((be32_to_cpu(dlid) >=
be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
(be32_to_cpu(slid) >=
be16_to_cpu(IB_MULTICAST_LID_BASE))) returntrue;
returnfalse;
}
/* Get multicast lid base */ staticinline u32 opa_get_mcast_base(u32 nr_top_bits)
{ return (be32_to_cpu(OPA_LID_PERMISSIVE) << (32 - nr_top_bits));
}
/* Check for a valid unicast LID for non-SM traffic types */ staticinlinebool rdma_is_valid_unicast_lid(struct rdma_ah_attr *attr)
{ if (attr->type == RDMA_AH_ATTR_TYPE_IB) { if (!rdma_ah_get_dlid(attr) ||
rdma_ah_get_dlid(attr) >=
be16_to_cpu(IB_MULTICAST_LID_BASE)) returnfalse;
} elseif (attr->type == RDMA_AH_ATTR_TYPE_OPA) { if (!rdma_ah_get_dlid(attr) ||
rdma_ah_get_dlid(attr) >=
opa_get_mcast_base(OPA_MCAST_NR)) returnfalse;
} returntrue;
} #endif/* OPA_ADDR_H */
Messung V0.5
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.