1 .\" Copyright (c) 2013 Edward Tomasz Napierala
2 .\" All rights reserved.
4 .\" Redistribution and use in source and binary forms, with or without
5 .\" modification, are permitted provided that the following conditions
7 .\" 1. Redistributions of source code must retain the above copyright
8 .\" notice, this list of conditions and the following disclaimer.
9 .\" 2. Redistributions in binary form must reproduce the above copyright
10 .\" notice, this list of conditions and the following disclaimer in the
11 .\" documentation and/or other materials provided with the distribution.
13 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 To compile this driver into the kernel,
34 place the following line in your
35 kernel configuration file:
36 .Bd -ragged -offset indent
40 Alternatively, to load the driver as a
41 module at boot time, place the following line in
43 .Bd -literal -offset indent
49 subsystem provides SCSI disk and processor emulation.
50 It supports features such as:
54 Disk and processor device emulation
58 SCSI task attribute support (ordered, head of queue, simple tags)
60 SCSI implicit command ordering support.
62 Full task management support (abort, LUN reset, target reset, etc.)
64 Support for multiple ports
66 Support for multiple simultaneous initiators
68 Support for multiple simultaneous backing stores
70 Persistent reservation support
72 Mode sense/select support
74 Error injection support
76 All I/O handled in-kernel, no userland context switch overhead
79 It also serves as a kernel component of the native iSCSI target.
87 subsystem first appeared in
92 subsystem was written by
93 .An Kenneth Merry Aq Mt ken@FreeBSD.org .