smp_discover_list man page on SuSE
[printable version]
SMP_DISCOVER_LIST(8) SMP_UTILS SMP_DISCOVER_LIST(8)
NAME
smp_discover_list - invoke DISCOVER LIST SMP function
SYNOPSIS
smp_discover_list [--brief] [--descriptor=TY] [--filter=FI] [--help]
[--hex] [--ignore] [--interface=PARAMS] [--num=NUM] [--one] [--phy=ID]
[--raw] [--sa=SAS_ADDR] [--verbose] [--version] SMP_DEVICE[,N]
DESCRIPTION
Sends a SAS Management Protocol (SMP) DISCOVER LIST request function to
a SMP target and decodes or outputs the response. The SMP target is
identified by the SMP_DEVICE and the SAS_ADDR. Depending on the inter‐
face, the SAS_ADDR may be deduced from the SMP_DEVICE. With one inter‐
face there is one SMP_DEVICE per machine so the SMP_DEVICE[,N] syntax
is needed to differentiate between HBAs if there are multiple present.
OPTIONS
Mandatory arguments to long options are mandatory for short options as
well.
-b, --brief
reduce the decoded response output.
-d, --descriptor=TY
DISCOVER response format as descriptor in the response. When TY
is 1 use the short format (i.e. 24 byte per descriptor) descrip‐
tor in the response.
-f, --filter=FI
set the filter field in the request. When FI is 0 (default)
fetch descriptors for all phys. When FI is 1 only fetch descrip‐
tors for phys attached to expanders. When FI is 2 only fetch
descriptors for phys attached to expanders or end devices.
-h, --help
output the usage message then exit.
-H, --hex
output the response in hexadecimal.
-i, --ignore
sets the Ignore Zone Group bit in the SMP Discover list request.
-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.
-n, --num=NUM
maximum number of descriptors fetch. If any descriptors are in
the response the first phy id will be greater than or equal to
the argument of --phy=ID. Note that maximum SMP frame size is
1032 bytes (including a trailing 4 byte CRC) which may limit the
number of descriptors that can be fetched by a single DISCOVER
LIST function (especially when '--descriptor=0').
-o, --one
use one line (summarized) format for each descriptor in the
response. The default action when this option is not given is
to output multiple indented lines for each descriptor in the
response.
-p, --phy=ID
phy identifier. ID is a value between 0 and 127. Default is 0.
This is the lowest numbered phy id to attempt fetch in the
response. Note that due to the filter field setting, the first
phy id in the response may be greater than the argument to this
option.
-r, --raw
send the response to stdout in binary. All error messages are
sent to stderr.
-s, --sa=SAS_ADDR
specifies the SAS address of the SMP target device. Typically
this is an expander. This option may not be needed if the
SMP_DEVICE has the target's SAS address within it. The SAS_ADDR
is in decimal but most SAS addresses are shown in hexadecimal.
To give a number in hexadecimal either prefix it with '0x' or
put a trailing 'h' on it.
-v, --verbose
increase the verbosity of the output. Can be used multiple times
-V, --version
print the version string and then exit.
SINGLE LINE FORMAT
The --one option causes SMP DISCOVER LIST descriptors to be compressed
to a header section followed by one line per phy. To save space SAS
addresses are shown in hex without a '0x' prefix or 'h' suffix. The
header section outputs information found in the DISCOVER LIST
response's header section.
For each descriptor in the DISCOVER LIST response, one line is output
starting with " phy <n>:" where <n> is the phy identifier (and they
are origin zero). That is followed by the routing attribute represented
by a single letter which is either "D" for direct routing, "S" to sub‐
tractive routing or "T" for table routing. Then comes the negotiated
physical link rate which is either "disabled", "reset problem" or
"spinup hold". Other states are mapped to "attached". This includes
enabled phys with nothing connected which appear as
"attached:[0000000000000000:00]".
Information shown between the brackets is for the attached device.
Phys that are connected display something like:
"attached:[5000c50000520a2a:01 " where the first number is the attached
SAS address (in hex) and the second number is the attached device's phy
identifier. If the attached device type is other than an end device
then one of these abbreviations is output: "exp" (for expander), "fex"
(for fanout expander) or "res" (for unknown attached device type). If a
phy is flagged as "virtual" then the letter "V" appears next. Next are
the protocols supported by the attached device which are shown as
"i(<list>)" for initiator protocols and/or "t(<list>)" for target pro‐
tocols. The <list> is made up of "PORT_SEL", "SSP", "STP", "SMP" and
"SATA" with "+" used as a separator. For example a SAS host adapter
wi11 most likely appear as: "i(SSP+STP+SMP)". This completes the infor‐
mation about the attached phy, hence the closing right bracket.
Finally, if appropriate, the negotiated physical link rate is shown in
gigabits per second. Here is an example of a line for expander phy
identifier 11 connected to a SATA target (or SATA "device" to use the
t13.org term):
phy 11:T:attached:[500605b000000afb:00 t(SATA)] 1.5 Gbps
CONFORMING TO
The SMP DISCOVER LIST function was introduced in SAS-2 .
AUTHORS
Written by Douglas Gilbert.
REPORTING BUGS
Report bugs to <dgilbert at interlog dot com>.
COPYRIGHT
Copyright © 2006-2008 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_discover, smp_phy_control
smp_utils-0.93 January 2008 SMP_DISCOVER_LIST(8)
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