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Diffstat (limited to 'man/ibv_create_qp.3')
| -rw-r--r-- | man/ibv_create_qp.3 | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/man/ibv_create_qp.3 b/man/ibv_create_qp.3 deleted file mode 100644 index 7feeab2..0000000 --- a/man/ibv_create_qp.3 +++ /dev/null @@ -1,85 +0,0 @@ -.\" -*- nroff -*- -.\" -.TH IBV_CREATE_QP 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual" -.SH "NAME" -ibv_create_qp, ibv_destroy_qp \- create or destroy a queue pair (QP) -.SH "SYNOPSIS" -.nf -.B #include <infiniband/verbs.h> -.sp -.BI "struct ibv_qp *ibv_create_qp(struct ibv_pd " "*pd" , -.BI " struct ibv_qp_init_attr " "*qp_init_attr" ); -.sp -.BI "int ibv_destroy_qp(struct ibv_qp " "*qp" ); -.fi -.SH "DESCRIPTION" -.B ibv_create_qp() -creates a queue pair (QP) associated with the protection domain -.I pd\fR. -The argument -.I qp_init_attr -is an ibv_qp_init_attr struct, as defined in <infiniband/verbs.h>. -.PP -.nf -struct ibv_qp_init_attr { -.in +8 -void *qp_context; /* Associated context of the QP */ -struct ibv_cq *send_cq; /* CQ to be associated with the Send Queue (SQ) */ -struct ibv_cq *recv_cq; /* CQ to be associated with the Receive Queue (RQ) */ -struct ibv_srq *srq; /* SRQ handle if QP is to be associated with an SRQ, otherwise NULL */ -struct ibv_qp_cap cap; /* QP capabilities */ -enum ibv_qp_type qp_type; /* QP Transport Service Type: IBV_QPT_RC, IBV_QPT_UC, IBV_QPT_UD or IBV_QPT_RAW_PACKET */ -int sq_sig_all; /* If set, each Work Request (WR) submitted to the SQ generates a completion entry */ -.in -8 -}; -.sp -.nf -struct ibv_qp_cap { -.in +8 -uint32_t max_send_wr; /* Requested max number of outstanding WRs in the SQ */ -uint32_t max_recv_wr; /* Requested max number of outstanding WRs in the RQ */ -uint32_t max_send_sge; /* Requested max number of scatter/gather (s/g) elements in a WR in the SQ */ -uint32_t max_recv_sge; /* Requested max number of s/g elements in a WR in the SQ */ -uint32_t max_inline_data;/* Requested max number of data (bytes) that can be posted inline to the SQ, otherwise 0 */ -.in -8 -}; -.fi -.PP -The function -.B ibv_create_qp() -will update the -.I qp_init_attr\fB\fR->cap -struct with the actual \s-1QP\s0 values of the QP that was created; -the values will be greater than or equal to the values requested. -.PP -.B ibv_destroy_qp() -destroys the QP -.I qp\fR. -.SH "RETURN VALUE" -.B ibv_create_qp() -returns a pointer to the created QP, or NULL if the request fails. -Check the QP number (\fBqp_num\fR) in the returned QP. -.PP -.B ibv_destroy_qp() -returns 0 on success, or the value of errno on failure (which indicates the failure reason). -.SH "NOTES" -.B ibv_create_qp() -will fail if a it is asked to create QP of a type other than -.B IBV_QPT_RC -or -.B IBV_QPT_UD -associated with an SRQ. -.PP -The attributes max_recv_wr and max_recv_sge are ignored by -.B ibv_create_qp() -if the QP is to be associated with an SRQ. -.PP -.B ibv_destroy_qp() -fails if the QP is attached to a multicast group. -.SH "SEE ALSO" -.BR ibv_alloc_pd (3), -.BR ibv_modify_qp (3), -.BR ibv_query_qp (3) -.SH "AUTHORS" -.TP -Dotan Barak <dotanba@gmail.com> |