diff options
Diffstat (limited to 'man/ibv_query_device.3')
| -rw-r--r-- | man/ibv_query_device.3 | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/man/ibv_query_device.3 b/man/ibv_query_device.3 deleted file mode 100644 index afc7573..0000000 --- a/man/ibv_query_device.3 +++ /dev/null @@ -1,84 +0,0 @@ -.\" -*- nroff -*- -.\" -.TH IBV_QUERY_DEVICE 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual" -.SH "NAME" -ibv_query_device \- query an RDMA device's attributes -.SH "SYNOPSIS" -.nf -.B #include <infiniband/verbs.h> -.sp -.BI "int ibv_query_device(struct ibv_context " "*context", -.BI " struct ibv_device_attr " "*device_attr" ); -.fi -.SH "DESCRIPTION" -.B ibv_query_device() -returns the attributes of the device with context -.I context\fR. -The argument -.I device_attr -is a pointer to an ibv_device_attr struct, as defined in <infiniband/verbs.h>. -.PP -.nf -struct ibv_device_attr { -.in +8 -char fw_ver[64]; /* FW version */ -uint64_t node_guid; /* Node GUID (in network byte order) */ -uint64_t sys_image_guid; /* System image GUID (in network byte order) */ -uint64_t max_mr_size; /* Largest contiguous block that can be registered */ -uint64_t page_size_cap; /* Supported memory shift sizes */ -uint32_t vendor_id; /* Vendor ID, per IEEE */ -uint32_t vendor_part_id; /* Vendor supplied part ID */ -uint32_t hw_ver; /* Hardware version */ -int max_qp; /* Maximum number of supported QPs */ -int max_qp_wr; /* Maximum number of outstanding WR on any work queue */ -int device_cap_flags; /* HCA capabilities mask */ -int max_sge; /* Maximum number of s/g per WR for non-RD QPs */ -int max_sge_rd; /* Maximum number of s/g per WR for RD QPs */ -int max_cq; /* Maximum number of supported CQs */ -int max_cqe; /* Maximum number of CQE capacity per CQ */ -int max_mr; /* Maximum number of supported MRs */ -int max_pd; /* Maximum number of supported PDs */ -int max_qp_rd_atom; /* Maximum number of RDMA Read & Atomic operations that can be outstanding per QP */ -int max_ee_rd_atom; /* Maximum number of RDMA Read & Atomic operations that can be outstanding per EEC */ -int max_res_rd_atom; /* Maximum number of resources used for RDMA Read & Atomic operations by this HCA as the Target */ -int max_qp_init_rd_atom; /* Maximum depth per QP for initiation of RDMA Read & Atomic operations */ -int max_ee_init_rd_atom; /* Maximum depth per EEC for initiation of RDMA Read & Atomic operations */ -enum ibv_atomic_cap atomic_cap; /* Atomic operations support level */ -int max_ee; /* Maximum number of supported EE contexts */ -int max_rdd; /* Maximum number of supported RD domains */ -int max_mw; /* Maximum number of supported MWs */ -int max_raw_ipv6_qp; /* Maximum number of supported raw IPv6 datagram QPs */ -int max_raw_ethy_qp; /* Maximum number of supported Ethertype datagram QPs */ -int max_mcast_grp; /* Maximum number of supported multicast groups */ -int max_mcast_qp_attach; /* Maximum number of QPs per multicast group which can be attached */ -int max_total_mcast_qp_attach;/* Maximum number of QPs which can be attached to multicast groups */ -int max_ah; /* Maximum number of supported address handles */ -int max_fmr; /* Maximum number of supported FMRs */ -int max_map_per_fmr; /* Maximum number of (re)maps per FMR before an unmap operation in required */ -int max_srq; /* Maximum number of supported SRQs */ -int max_srq_wr; /* Maximum number of WRs per SRQ */ -int max_srq_sge; /* Maximum number of s/g per SRQ */ -uint16_t max_pkeys; /* Maximum number of partitions */ -uint8_t local_ca_ack_delay; /* Local CA ack delay */ -uint8_t phys_port_cnt; /* Number of physical ports */ -.in -8 -}; -.fi -.SH "RETURN VALUE" -.B ibv_query_device() -returns 0 on success, or the value of errno on failure (which indicates the failure reason). -.SH "NOTES" -The maximum values returned by this function are the upper limits of -supported resources by the device. However, it may not be possible to -use these maximum values, since the actual number of any resource that -can be created may be limited by the machine configuration, the amount -of host memory, user permissions, and the amount of resources already -in use by other users/processes. -.SH "SEE ALSO" -.BR ibv_open_device (3), -.BR ibv_query_port (3), -.BR ibv_query_pkey (3), -.BR ibv_query_gid (3) -.SH "AUTHORS" -.TP -Dotan Barak <dotanba@gmail.com> |