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Man Pages


Manual Reference Pages  -  SMP_REP_PHY_EVENT (8)

NAME

smp_rep_phy_event - invoke REPORT PHY EVENT SMP function

CONTENTS

Synopsis
Description
Options
Notes
Conforming To
Authors
Copyright

SYNOPSIS

smp_rep_phy_event [--desc] [--enumerate] [--help] [--hex] [--interface=PARAMS] [--long] [--phy=ID] [--raw] [--sa=SAS_ADDR] [--verbose] [--version] [--zero] SMP_DEVICE[,N]

DESCRIPTION

Sends a SAS Serial Management Protocol (SMP) REPORT PHY EVENT function request to an SMP target. The SMP target is identified by the SMP_DEVICE and the 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.

Reports zero or more phy event descriptors. Each descriptor contains a phy event source, a phy event (i.e. a count) and a peak value detector theshold. At least one phy event should be maintained for each phy.

OPTIONS

Mandatory arguments to long options are mandatory for short options as well.
-d, --desc precede each phy event descriptor with a line announcing its descriptor index number. Index numbers start at 1.
-e, --enumerate
  enumerate all of the known Phy Event Source names, one per line preceded by its value in hex. Ignores SMP_DEVICE if it is given; most other options are also ignored. Exits after displaying the names.
-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.
-l, --long prefix each phy event source string with its numeric identifier in hex. For example: "[0x1]: Invalid word count: 23"
-p, --phy=ID
  phy identifier. ID is a value between 0 and 254. Default is 0.
-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. 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.

NOTES

Similar information is maintained for SAS SSP target phys (e.g. on a SAS disk). It can be obtained from the Protocol Specific Port log page with the sg_logs utility.

Similar information may be obtained for SAS initiator phys (e.g. on a SAS HBA). As an example in Linux 2.6.28 error information can be found in this directory /sys/class/sas_phy/phy-4:0 (for the phy 0 in SCSI/SAS host 4).

Similar information may be obtained for SATA device phys (e.g. on a SATA disk). If there is a SAT layer between OS and the SATA device then the sg_sat_phy_event utility can fetch the information.

CONFORMING TO

The SMP REPORT PHY EVENT 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 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

SEE ALSO

smp_utils, smp_phy_control, smp_rep_phy_event_list(smp_utils) sg_logs, sg_sat_phy_event(sg3_utils)
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smp_utils-0.97 SMP_REP_PHY_EVENT (8) December 2011

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