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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
commit253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch)
treeadf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man3/libiscsi.3
parenta9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff)
docs: Added All NetBSD Manuals
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+.\" $NetBSD: libiscsi.3,v 1.8 2014/03/18 18:20:36 riastradh Exp $
+.\"
+.\" Copyright (c) 2009 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This manual page is derived from software contributed to The
+.\" NetBSD Foundation by Alistair Crooks (agc@NetBSD.org)
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd February 19, 2011
+.Dt LIBISCSI 3
+.Os
+.Sh NAME
+.Nm libiscsi
+.Nd iSCSI network storage protocol implementation
+.Sh LIBRARY
+.Lb libiscsi
+.Sh SYNOPSIS
+.In iscsi.h
+.Ft int
+.Fo iscsi_target_set_defaults
+.Fa "iscsi_target_t *target"
+.Fc
+.Ft int
+.Fo iscsi_target_start
+.Fa "iscsi_target_t *target"
+.Fc
+.Ft int
+.Fo iscsi_target_listen
+.Fa "iscsi_target_t *target"
+.Fc
+.Ft int
+.Fo iscsi_target_shutdown
+.Fa "iscsi_target_t *target"
+.Fc
+.Ft void
+.Fo iscsi_target_write_pidfile
+.Fa "const char *filename"
+.Fc
+.Ft int
+.Fo iscsi_target_setvar
+.Fa "iscsi_target_t *target" "const char *name" "const char *value"
+.Fc
+.Ft char *
+.Fo iscsi_target_getvar
+.Fa "iscsi_target_t *target" "const char *name"
+.Fc
+.Ft int
+.Fo iscsi_initiator_set_defaults
+.Fa "iscsi_initiator_t *initiator"
+.Fc
+.Ft int
+.Fo iscsi_initiator_start
+.Fa "iscsi_initiator_t *initiator"
+.Fc
+.Ft int
+.Fo iscsi_initiator_discover
+.Fa "iscsi_initiator_t *initiator" "char *x" "uint64_t a" "int b"
+.Fc
+.Ft int
+.Fo iscsi_initiator_shutdown
+.Fa "iscsi_initiator_t *initiator"
+.Fc
+.Ft int
+.Fo iscsi_initiator_setvar
+.Fa "iscsi_initiator_t *initiator" "const char *name" "const char *value"
+.Fc
+.Ft char *
+.Fo iscsi_initiator_getvar
+.Fa "iscsi_initiator_t *initiator" "const char *name"
+.Fc
+.Sh DESCRIPTION
+.Nm
+is a library interface to the iSCSI target and initiator.
+This conforms to IETF RFC 3720.
+The corresponding command line utilities for
+.Nm
+are
+.Xr iscsi-initiator 8
+and
+.Xr iscsi-target 8 .
+.Pp
+In normal operation, a process acting as
+a target (i.e. presenting storage to the network)
+will call
+.Fn iscsi_target_set_defaults
+and will then set various values using the
+.Fn iscsi_target_setvar
+function.
+The value of a variable can be retrieved
+at any time using the
+.Fn iscsi_target_getvar
+function.
+When all of the variables have been set,
+the
+.Fn iscsi_target_start
+function is called, and the block storage will be
+served up by the process.
+.Pp
+A useful illustration of the use of these functions
+can be found in the source code to the
+.Xr iscsi-target 8
+utility.
+.Pp
+The
+.Nm
+library also provides an implementation of the client
+end of the iSCSI subsystem, which is known as the
+initiator.
+The process acting as an initiator will first call the
+.Fn iscsi_initiator_set_defaults
+function, to set default values for the initiator variables.
+Once all the values have been set to the user preferences
+using the
+.Fn iscsi_initiator_setvar
+function, then the
+.Fn iscsi_initiator_start
+function is called.
+.Pp
+The
+.Nm
+library can be used to perform iSCSI device discovery
+by calling the
+.Fn iscsi_initiator_discovery
+function.
+This will return a list of all the iSCSI targets which
+are serving up block storage according to the variables
+which have already been set.
+.Sh SEE ALSO
+.Xr iscsi-initiator 8 ,
+.Xr iscsi-target 8
+.Sh HISTORY
+The
+.Nm
+library first appeared in
+.Nx 4.0 .
+This programmatic interface to the
+iSCSI subsystem
+first appeared in
+.Nx 6.0 .
+.Sh AUTHORS
+.An Alistair Crooks Aq Mt agc@NetBSD.org .