diff mbox

[V7,libibverbs,6/7] XRC man pages

Message ID 1373555063-31790-7-git-send-email-yishaih@mellanox.com (mailing list archive)
State Rejected
Headers show

Commit Message

Yishai Hadas July 11, 2013, 3:04 p.m. UTC
From: Sean Hefty <sean.hefty@intel.com>

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
---

Changes from V6:
Fixed ibv_open_qp man page to match latest API.
Added missing man pages.
Put man pages as part of installation.

 Makefile.am             |    8 +++-
 man/ibv_create_qp_ex.3  |   83 +++++++++++++++++++++++++++++++++++++++++++++++
 man/ibv_create_srq_ex.3 |   71 ++++++++++++++++++++++++++++++++++++++++
 man/ibv_get_srq_num.3   |   32 ++++++++++++++++++
 man/ibv_open_qp.3       |   51 +++++++++++++++++++++++++++++
 man/ibv_open_xrcd.3     |   76 +++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 319 insertions(+), 2 deletions(-)
 create mode 100644 man/ibv_create_qp_ex.3
 create mode 100644 man/ibv_create_srq_ex.3
 create mode 100644 man/ibv_get_srq_num.3
 create mode 100644 man/ibv_open_qp.3
 create mode 100644 man/ibv_open_xrcd.3
diff mbox

Patch

diff --git a/Makefile.am b/Makefile.am
index 40e83be..aa6097a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -54,7 +54,9 @@  man_MANS = man/ibv_asyncwatch.1 man/ibv_devices.1 man/ibv_devinfo.1	\
     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_rate_to_mbps.3
+    man/ibv_req_notify_cq.3 man/ibv_resize_cq.3 man/ibv_rate_to_mbps.3  \
+    man/ibv_create_qp_ex.3 man/ibv_create_srq_ex.3 man/ibv_open_xrcd.3  \
+    man/ibv_get_srq_num.3 man/ibv_open_qp.3
 
 DEBIAN = debian/changelog debian/compat debian/control debian/copyright \
     debian/ibverbs-utils.install debian/libibverbs1.install \
@@ -89,6 +91,7 @@  install-data-hook:
 	$(RM) ibv_node_type_str.3 && \
 	$(RM) ibv_port_state_str.3 && \
 	$(RM) mbps_to_ibv_rate.3 && \
+	$(RM) ibv_close_xrcd.3 && \
 	$(LN_S) ibv_get_async_event.3 ibv_ack_async_event.3 && \
 	$(LN_S) ibv_get_cq_event.3 ibv_ack_cq_events.3 && \
 	$(LN_S) ibv_open_device.3 ibv_close_device.3 && \
@@ -105,4 +108,5 @@  install-data-hook:
 	$(LN_S) ibv_rate_to_mult.3 mult_to_ibv_rate.3 && \
 	$(LN_S) ibv_event_type_str.3 ibv_node_type_str.3 && \
 	$(LN_S) ibv_event_type_str.3 ibv_port_state_str.3 && \
-	$(LN_S) ibv_rate_to_mbps.3 mbps_to_ibv_rate.3
+	$(LN_S) ibv_rate_to_mbps.3 mbps_to_ibv_rate.3 && \
+	$(LN_S) ibv_open_xrcd.3 ibv_close_xrcd.3
diff --git a/man/ibv_create_qp_ex.3 b/man/ibv_create_qp_ex.3
new file mode 100644
index 0000000..f772a57
--- /dev/null
+++ b/man/ibv_create_qp_ex.3
@@ -0,0 +1,83 @@ 
+.\" -*- nroff -*-
+.\"
+.TH IBV_CREATE_QP_EX 3 2013-06-26 libibverbs "Libibverbs Programmer's Manual"
+.SH "NAME"
+ibv_create_qp_ex, 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_ex(struct ibv_context " "*context" ,
+.BI "                                struct ibv_qp_init_attr_ex " "*qp_init_attr" );
+.sp
+.BI "int ibv_destroy_qp(struct ibv_qp " "*qp" );
+.fi
+.SH "DESCRIPTION"
+.B ibv_create_qp_ex()
+creates a queue pair (QP) associated with the protection domain
+.I pd\fR.
+The argument
+.I qp_init_attr_ex
+is an ibv_qp_init_attr_ex struct, as defined in <infiniband/verbs.h>.
+.PP
+.nf
+struct ibv_qp_init_attr_ex {
+.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 */
+uint32_t                comp_mask;	/* Identifies valid fields */
+struct ibv_pd          *pd;		/* PD to be associated with the QP */
+struct ibv_xrcd        *xrcd;		/* XRC domain to be associated with the target QP */
+enum ibv_qp_create_flags create_flags;	/* Creation flags for this QP */
+.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_ex()
+will update the
+.I qp_init_attr_ex\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_ex()
+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"
+.PP
+The attributes max_recv_wr and max_recv_sge are ignored by
+.B ibv_create_qp_ex()
+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
+Yishai Hadas <yishaih@mellanox.com>
diff --git a/man/ibv_create_srq_ex.3 b/man/ibv_create_srq_ex.3
new file mode 100644
index 0000000..9151d6e
--- /dev/null
+++ b/man/ibv_create_srq_ex.3
@@ -0,0 +1,71 @@ 
+.\" -*- nroff -*-
+.\"
+.TH IBV_CREATE_SRQ_EX 3 2013-06-26 libibverbs "Libibverbs Programmer's Manual"
+.SH "NAME"
+ibv_create_srq_ex, 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_srq_ex(struct ibv_context " "*context" ", struct "
+.BI "                               ibv_srq_init_attr_ex " "*srq_init_attr_ex" );
+.sp
+.BI "int ibv_destroy_srq(struct ibv_srq " "*srq" );
+.fi
+.SH "DESCRIPTION"
+.B ibv_create_srq_ex()
+creates a shared receive queue (SRQ) supporting both basic and xrc modes.
+The argument
+.I srq_init_attr_ex
+is an ibv_srq_init_attr_ex struct, as defined in <infiniband/verbs.h>.
+.PP
+.nf
+struct ibv_srq_init_attr_ex {
+.in +8
+void                   *srq_context;    /* Associated context of the SRQ */
+struct ibv_srq_attr     attr;           /* SRQ attributes */
+uint32_t                comp_mask;      /* Identifies valid fields */
+enum ibv_srq_type       srq_type;       /* Basic / XRC */
+struct ibv_pd          *pd;             /* PD associated with the SRQ */
+struct ibv_xrcd        *xrcd;           /* XRC domain to associate with the SRQ */
+struct ibv_cq          *cq;             /* CQ to associate with the SRQ for XRC mode */
+.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 */
+.in -8
+};
+.fi
+.PP
+The function
+.B ibv_create_srq_ex()
+will update the
+.I srq_init_attr_ex
+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_srq_ex()
+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_modify_srq (3),
+.BR ibv_query_srq (3)
+.SH "AUTHORS"
+.TP
+Yishai Hadas <yishaih@mellanox.com>
diff --git a/man/ibv_get_srq_num.3 b/man/ibv_get_srq_num.3
new file mode 100644
index 0000000..00e4fb4
--- /dev/null
+++ b/man/ibv_get_srq_num.3
@@ -0,0 +1,32 @@ 
+.\" -*- nroff -*-
+.\"
+.TH IBV_GET_SRQ_NUM 3 2013-06-26 libibverbs "Libibverbs Programmer's Manual"
+.SH "NAME"
+ibv_get_srq_num  \- return srq number associated with the given shared receive queue (SRQ)
+.SH "SYNOPSIS"
+.nf
+.B #include <infiniband/verbs.h>
+.sp
+.BI "int ibv_get_srq_num(struct ibv_srq " "*srq" ,
+.BI "                    uint32_t " "*srq_num" );
+.fi
+.SH "DESCRIPTION"
+.B ibv_get_srq_num()
+return srq number associated with the given shared receive queue
+The argument
+.I srq
+is an ibv_srq struct, as defined in <infiniband/verbs.h>.
+.I srq_num
+is an output parameter that holds the returned srq number.
+.PP
+.nf
+.SH "RETURN VALUE"
+.B ibv_get_srq_num()
+returns 0 on success, or the value of errno on failure (which indicates the failure reason).
+.SH "SEE ALSO"
+.BR ibv_alloc_pd (3),
+.BR ibv_modify_srq (3),
+.BR ibv_create_srq_ex (3)
+.SH "AUTHORS"
+.TP
+Yishai Hadas <yishaih@mellanox.com>
diff --git a/man/ibv_open_qp.3 b/man/ibv_open_qp.3
new file mode 100644
index 0000000..71b5d46
--- /dev/null
+++ b/man/ibv_open_qp.3
@@ -0,0 +1,51 @@ 
+.\" -*- nroff -*-
+.\"
+.TH IBV_OPEN_QP 3 2011-08-12 libibverbs "Libibverbs Programmer's Manual"
+.SH "NAME"
+ibv_open_qp \- open a shareable queue pair (QP)
+.SH "SYNOPSIS"
+.nf
+.B #include <infiniband/verbs.h>
+.sp
+.BI "struct ibv_qp *ibv_open_qp(struct ibv_context " "*context" ,
+.BI "                           struct ibv_qp_open_attr " "*qp_open_attr" );
+.fi
+.SH "DESCRIPTION"
+.B ibv_open_qp()
+opens an existing queue pair (QP) associated with the extended protection domain
+.I xrcd\fR.
+The argument
+.I qp_open_attr
+is an ibv_qp_open_attr struct, as defined in <infiniband/verbs.h>.
+.PP
+.nf
+struct ibv_qp_open_attr {
+.in +8
+uint32_t          comp_mask;  /* Identifies valid fields */
+uint32_t          qp_num;     /* QP number */
+struct            *ibv_xrcd;  /* XRC domain */
+void             *qp_context; /* User defined opaque value */
+enum ibv_qp_type  qp_type;    /* QP transport service type */
+.fi
+.PP
+.B ibv_destroy_qp()
+closes the opened QP and destroys the underlying QP if it has no
+other references.
+.I qp\fR.
+.SH "RETURN VALUE"
+.B ibv_open_qp()
+returns a pointer to the opened QP, or NULL if the request fails.
+Check the QP number (\fBqp_num\fR) in the returned QP.
+.SH "NOTES"
+.B ibv_open_qp()
+will fail if a it is asked to open a QP that does not exist within
+the xrcd with the specified qp_num and qp_type.
+.SH "SEE ALSO"
+.BR ibv_alloc_pd (3),
+.BR ibv_create_qp (3),
+.BR ibv_create_qp_ex (3),
+.BR ibv_modify_qp (3),
+.BR ibv_query_qp (3)
+.SH "AUTHORS"
+.TP
+Sean Hefty <sean.hefty@intel.com>
diff --git a/man/ibv_open_xrcd.3 b/man/ibv_open_xrcd.3
new file mode 100644
index 0000000..b9724bf
--- /dev/null
+++ b/man/ibv_open_xrcd.3
@@ -0,0 +1,76 @@ 
+.\" -*- 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 "                               struct ibv_xrcd_init_attr " "*xrcd_init_attr" );
+.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 xrcd_init_attr
+is an ibv_xrcd_init_attr struct, as defined in <infiniband/verbs.h>.
+.PP
+.nf
+struct ibv_xrcd_init_attr {
+.in +8
+uint32_t         comp_mask;  /* Identifies valid fields */
+int              fd;
+int              oflag;
+.fi
+.PP
+.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. To indicate that XRCD should be created, use
+.I oflag
+=
+.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_srq_ex (3),
+.BR ibv_create_qp_ex (3),
+.SH "AUTHORS"
+.TP
+Sean Hefty <sean.hefty@intel.com>