smp_zoned_broadcast man page on Fedora
[printable version]
SMP_ZONED_BROADCAST(8) SMP_UTILS SMP_ZONED_BROADCAST(8)
NAME
smp_zoned_broadcast - invoke ZONED BROADCAST SMP function
SYNOPSIS
smp_zoned_broadcast [--broadcast=BT] [--expected=EX] [--fszg=FS]
[--help] [--hex] [--interface=PARAMS] [--raw] [--sa=SAS_ADDR]
[--szg=ZGL] [--verbose] [--version] SMP_DEVICE[,N]
DESCRIPTION
Sends a SAS Management Protocol (SMP) ZONED BROADCAST function request
to a SMP target. The SMP target is identified by the SMP_DEVICE and the
--sa=SAS_ADDR. Depending on the interface, the SAS_ADDR may be deduced
from the SMP_DEVICE. The mpt interface uses SMP_DEVICE to identify a
HBA (an SMP initiator) and needs the additional ,N to differentiate
between HBAs if there are multiple present.
This function requires zoning to be enabled. To send a Broadcast
(Change) in the absence of zoning, the least intrusive way seems to be
to use a PHY CONTROL request to send a link reset to an expander phy.
Broadcast (Change) should cause a management application client behind
a SMP initiator port (e.g. a SAS HBA) to start a discover process.
OPTIONS
Mandatory arguments to long options are mandatory for short options as
well.
-b, --broadcast=BT
BT is the broadcast type, an integer in the range 0 (default) to
15. Broadcast (Change) corresponds to 0 and will cause SMP ini‐
tiators that receive it to do their discover process. Other
known broadcast types are listed in the NOTES section. BT may be
decimal (default) or hexadecimal prefixed by '0x' (or '0X') or
with a 'h' (or 'H') suffix.
-E, --expected=EX
set the 'expected expander change count' field in the SMP
request. The value EX is from 0 to 65535 inclusive with 0 being
the default value. When EX is greater than zero then if the
value doesn't match the expander change count of the SMP target
(i.e. the expander) when the request arrives then the target
ignores the request and sets a function result of "invalid
expander change count" in the response. In SPL-1 this field is
marked as "restricted (for expected expander change count)".
-F, --fszg=FS
where FS is the name of a file which contains one or more source
zone groups to send a broadcast to. The zone groups can be given
in decimal (default) or hexadecimal prefixed by '0x' (or '0X')
or with a 'h' (or 'H') suffix. A zone group is a number in the
range 0 to 255. Each zone group can be separated by space, tab,
comma or newline. Empty lines and those starting with "#" are
ignored.
-h, --help
output the usage message then exit.
-H, --hex
output the response (less the CRC field) in hexadecimal.
-I, --interface=PARAMS
interface specific parameters. In this case "interface" refers
to the path through the operating system to the SMP initiator.
See the smp_utils man page for more information.
-r, --raw
send the response (less the CRC field) to stdout in binary. All
error messages are sent to stderr.
-s, --sa=SAS_ADDR
specifies the SAS address of the SMP target device. The mpt
interface needs this option and it will typically be an
expander's SAS address. The SAS_ADDR is in decimal but most SAS
addresses are shown in hexadecimal. To give a number in hexa‐
decimal either prefix it with '0x' or put a trailing 'h' on it.
-S, --szg=ZGL
one or more source zone groups for broadcast can appear as a
comma separated list ZGL. The may be decimal (default) or hexa‐
decimal prefixed by '0x' (or '0X') or with a 'h' (or 'H') suf‐
fix. A zone group is a number in the range 0 to 255. Either this
option or --fszg=FS (but not both) should be given.
-v, --verbose
increase the verbosity of the output. Can be used multiple
times.
-V, --version
print the version string and then exit.
NOTES
The following is a list of broadcast types:
0 Broadcast (Change)
1 Broadcast (Reserved change 0)
2 Broadcast (Reserved change 1)
3 Broadcast (SES)
4 Broadcast (Expander)
5 Broadcast (Asynchronous event)
6 Broadcast (Reserved 3)
7 Broadcast (Reserved 4)
8 Broadcast (Zone activate)
The remaining zone types (9 to 15) may be issued by the ZONED BROADCAST
function.
CONFORMING TO
The SMP ZONED BROADCAST function was introduced in SAS-2 .
AUTHORS
Written by Douglas Gilbert.
REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>.
COPYRIGHT
Copyright © 2011 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO war‐
ranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR‐
POSE.
SEE ALSO
smp_utils, smp_zone_lock, smp_zone_unlock, smp_ena_dis_zon‐
ing(smp_utils)
smp_utils-0.96 June 2011 SMP_ZONED_BROADCAST(8)
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