man/ibv_post_srq_recv.3 man/ibv_query_device.3 man/ibv_query_gid.3 \
man/ibv_query_pkey.3 man/ibv_query_port.3 man/ibv_query_qp.3 \
man/ibv_query_srq.3 man/ibv_rate_to_mult.3 man/ibv_reg_mr.3 \
- man/ibv_req_notify_cq.3 man/ibv_resize_cq.3
+ man/ibv_req_notify_cq.3 man/ibv_resize_cq.3 man/ibv_open_xrcd.3 \
+ man/ibv_create_xsrq.3
DEBIAN = debian/changelog debian/compat debian/control debian/copyright \
debian/ibverbs-utils.install debian/libibverbs1.install \
.\" -*- nroff -*-
.\"
-.TH IBV_CREATE_QP 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual"
+.TH IBV_CREATE_QP 3 2011-06-17 libibverbs "Libibverbs Programmer's Manual"
.SH "NAME"
ibv_create_qp, ibv_destroy_qp \- create or destroy a queue pair (QP)
.SH "SYNOPSIS"
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, or IBV_QPT_UD */
+enum ibv_qp_type qp_type; /* QP Transport Service Type */
int sq_sig_all; /* If set, each Work Request (WR) submitted to the SQ generates a completion entry */
+union {
+.in +8
+struct {
+.in +8
+struct ibv_xrcd *xrcd; /* XRC domain associated with XRC receive QPs */
+.in -8
+} xrc_recv;
+.in -8
+} ext;
.in -8
};
.sp
--- /dev/null
+.\" -*- nroff -*-
+.\"
+.TH IBV_CREATE_XSRQ 3 2011-06-17 libibverbs "Libibverbs Programmer's Manual"
+.SH "NAME"
+ibv_create_xsrq, ibv_destroy_srq \- create or destroy a shared receive queue (SRQ)
+.SH "SYNOPSIS"
+.nf
+.B #include <infiniband/verbs.h>
+.sp
+.BI "struct ibv_srq *ibv_create_xsrq(struct ibv_pd " "*pd" ", struct "
+.BI " ibv_srq_init_attr " "*srq_init_attr" );
+.sp
+.BI "int ibv_destroy_srq(struct ibv_srq " "*srq" );
+.fi
+.SH "DESCRIPTION"
+.B ibv_create_xsrq()
+creates a shared receive queue (SRQ) associated with the protection domain
+.I pd\fR.
+The argument
+.I srq_init_attr
+is an ibv_srq_init_attr struct, as defined in <infiniband/verbs.h>.
+.PP
+.nf
+struct ibv_srq_init_attr {
+.in +8
+void *srq_context; /* Associated context of the SRQ */
+struct ibv_srq_attr attr; /* SRQ attributes */
+enum ibv_srq_type srq_type; /* Specifies type of SRQ to create */
+union {
+.in +8
+struct {
+.in +8
+struct ibv_xrcd *xrcd; /* XRC domain associated with an XRC SRQ */
+struct ibv_cq *cq; /* completion queue for an XRC SRQ*/
+.in -8
+} xrc; /* Extended attributes for IBV_SRQT_XRC type SRQs */
+.in -8
+} ext;
+.in -8
+};
+.sp
+.nf
+struct ibv_srq_attr {
+.in +8
+uint32_t max_wr; /* Requested max number of outstanding work requests (WRs) in the SRQ */
+uint32_t max_sge; /* Requested max number of scatter elements per WR */
+uint32_t srq_limit; /* The limit value of the SRQ (ignored for ibv_create_srq) */
+.in -8
+};
+.fi
+.PP
+The function
+.B ibv_create_xsrq()
+will update the
+.I srq_init_attr
+struct with the original values of the SRQ that was created; the
+values of max_wr and max_sge will be greater than or equal to the
+values requested.
+.PP
+.B ibv_destroy_srq()
+destroys the SRQ
+.I srq\fR.
+.SH "RETURN VALUE"
+.B ibv_create_xsrq()
+returns a pointer to the created SRQ, or NULL if the request fails.
+.PP
+.B ibv_destroy_srq()
+returns 0 on success, or the value of errno on failure (which indicates the failure reason).
+.SH "NOTES"
+.B ibv_destroy_srq()
+fails if any queue pair is still associated with this SRQ.
+.SH "SEE ALSO"
+.BR ibv_alloc_pd (3),
+.BR ibv_create_cq (3),
+.BR ibv_open_xrcd (3),
+.BR ibv_modify_srq (3),
+.BR ibv_query_srq (3)
+.SH "AUTHORS"
+.TP
+Sean Hefty <sean.hefty@intel.com>
--- /dev/null
+.\" -*- nroff -*-
+.\"
+.TH IBV_OPEN_XRCD 3 2011-06-17 libibverbs "Libibverbs Programmer's Manual"
+.SH "NAME"
+ibv_open_xrcd, ibv_close_xrcd \- open or close an XRC protection domain (XRCDs)
+.SH "SYNOPSIS"
+.nf
+.B #include <infiniband/verbs.h>
+.sp
+.BI "struct ibv_xrcd *ibv_open_xrcd(struct ibv_context " "*context" ","
+.BI " int " "fd" ", int " "oflag" );
+.sp
+.BI "int ibv_close_xrcd(struct ibv_xrcd " "*xrcd" );
+.fi
+.SH "DESCRIPTION"
+.B ibv_open_xrcd()
+open an XRC domain for the RDMA device context
+.I context
+.I fd
+is the file descriptor to associate with the XRCD.
+.I oflag
+describes the desired creation attributes. It is a bitwise OR of zero or more
+of the following flags:
+.PP
+.TP
+.B O_CREAT
+Indicates that an XRCD should be created and associated with the inode referenced
+by the given fd. If the XRCD exists, this flag has no effect except as noted under
+.BR O_EXCL
+below.\fR
+.TP
+.B O_EXCL
+If
+.BR O_EXCL
+and
+.BR O_CREAT
+are set, open will fail if an XRCD associated with the inode exists.
+.PP
+If
+.I fd
+equals -1, no inode is associated with the XRCD, and the only valid value for
+.I oflag
+is
+.B O_CREAT\fR.
+.PP
+.B ibv_close_xrcd()
+closes the XRCD
+.I xrcd\fR.
+If this is the last reference, the XRCD will be destroyed.
+.SH "RETURN VALUE"
+.B ibv_open_xrcd()
+returns a pointer to the opened XRCD, or NULL if the request fails.
+.PP
+.B ibv_close_xrcd()
+returns 0 on success, or the value of errno on failure (which indicates the
+failure reason).
+.SH "NOTES"
+.B ibv_close_xrcd()
+may fail if any other resource is still associated with the XRCD being closed.
+.SH "SEE ALSO"
+.BR ibv_create_xsrq (3),
+.BR ibv_create_qp (3),
+.SH "AUTHORS"
+.TP
+Sean Hefty <sean.hefty@intel.com>
.\" -*- nroff -*-
.\"
-.TH IBV_POST_SEND 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual"
+.TH IBV_POST_SEND 3 2011-06-17 libibverbs "Libibverbs Programmer's Manual"
.SH "NAME"
ibv_post_send \- post a list of work requests (WRs) to a send queue
.SH "SYNOPSIS"
uint32_t remote_qkey; /* Q_Key number of the destination QP */
.in -8
} ud;
+struct {
+.in +8
+uint64_t reserved[3];
+uint32_t reserved2;
+uint32_t remote_srqn; /* SRQ number of the destination XRC SRQ */
+.in -8
+} xrc;
.in -8
} wr;
.in -8
IBV_WR_ATOMIC_FETCH_AND_ADD | | | X
.fi
.PP
+IBV_QPT_XRC_SEND transports behave similar to IBV_QPT_RC and support the same set of operations.
+.PP
The attribute send_flags describes the properties of the \s-1WR\s0. It is either 0 or the bitwise \s-1OR\s0 of one or more of the following flags:
.PP
.TP
projects / ~shefty / libibverbs.git / commitdiff