diff options
Diffstat (limited to 'doc/sg_vpd.8')
| -rw-r--r-- | doc/sg_vpd.8 | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/doc/sg_vpd.8 b/doc/sg_vpd.8 index 45f496c3..8bb88eef 100644 --- a/doc/sg_vpd.8 +++ b/doc/sg_vpd.8 @@ -6,8 +6,9 @@ sg_vpd \- fetch SCSI VPD page and/or decode its response [\fI\-\-all\fR] [\fI\-\-enumerate\fR] [\fI\-\-examine\fR] [\fI\-\-force\fR] [\fI\-\-help\fR] [\fI\-\-hex\fR] [\fI\-\-ident\fR] [\fI\-\-inhex=FN\fR] [\fI\-\-json[=JO]\fR] [\fI\-\-long\fR] [\fI\-\-maxlen=LEN\fR] -[\fI\-\-page=PG\fR] [\fI\-\-quiet\fR] [\fI\-\-raw\fR] [\fI\-\-vendor=VP\fR] -[\fI\-\-verbose\fR] [\fI\-\-version\fR] [\fIDEVICE\fR] +[\fI\-\-page=PG\fR] [\fI\-\-quiet\fR] [\fI\-\-raw\fR] +[\fI\-\-sinq_inraw=RFN\fR] [\fI\-\-vendor=VP\fR] [\fI\-\-verbose\fR] +[\fI\-\-version\fR] [\fIDEVICE\fR] .SH DESCRIPTION .\" Add any additional description here .PP @@ -62,20 +63,24 @@ with \fI\-\-vendor=VP\fR to restrict output to known vendor specific pages for vendor/product \fIVP\fR. .TP \fB\-E\fR, \fB\-\-examine\fR -scan part of all of the VPD space (from 0x0 to 0xff) and output any pages -found. This option ignores the contents of VPD page 0x0 which should contain -a list of all supported VPD pages. However some vendors either forget to -list some standard pages or perhaps purposely don't list vendor specific -pages which are in the range 0xc0 to 0xff. -.br -If the \fI\-\-page=PG\fR option is not given and this option is given once -then the scan is from VPD page number 0x80 to 0xff inclusive. If the -\fI\-\-page=PG\fR option is given then the scan is from 0x80 to -\fIPG\fR inclusive. If this option is given twice then the scan starts at -VPD page 0x0. +scan part of all of the VPD space (page numbers 0x0 to 0xff) and output any +pages found. If this option is given once, the scan starts at page 0x80; +if it is given twice, the scan starts at 0x0; and if given three times the +scan starts at 0xc0. This option takes no notice of the contents of VPD page +0x0 which should contain a list of all supported VPD pages. Some vendors +either forget to list some standard pages or perhaps purposely don't list +vendor specific pages which are in the range 0xc0 to 0xff. +.br +If the \fI\-\-page=PG\fR option is not given then the scan finishes at page +0xff. if the \fI\-\-page=PG\fR option is given then the scan finishes at +page \fIPG\fR. A check is made before the scan to make sure the start page +is less than or equal to the finish page; if not the start and finish page +numbers are swapped. .br The sdparm utility which lists mode and VPD pages also has a \fB\-\-examine\fR -option will similar functionility. +option will similar functionility. Note that T10 has changed most of the +pages that list supported pages (e.g. VPD, mode and log pages; supported +commands) to add the weasel words "may or may not list all ...". .TP \fB\-f\fR, \fB\-\-force\fR As a sanity check, the normal action when fetching VPD pages other than @@ -119,8 +124,8 @@ including a hash mark to the end of line is ignored. If the \fI\-\-raw\fR option is also given then \fIFN\fR is treated as binary. .TP \fB\-j\fR, \fB\-\-json[\fR=\fIJO\fR] -output is in JSON format instead of human readable form. This is an -EXPERIMENTAL feature; see sg3_utils_json manpage. +output is in JSON format instead of human readable form. See sg3_utils_json +manpage or use '?' for \fIJO\fR for a summary. .TP \fB\-l\fR, \fB\-\-long\fR when decoding some VPD pages, give a little more output. For example the ATA @@ -166,6 +171,23 @@ used. The binary is sent to stdout, and errors are sent to stderr. if used with \fI\-\-inhex=FN\fR then the contents of \fIFN\fR is treated as binary. .TP +\fB\-Q\fR, \fB\-\-sinq_inraw\fR=\fIRFN\fR +where \fIRFN\fR is a filename containing binary standard INQUIRY response +data that matches either \fIDEVICE\fR or \fIFN\fR. Linux places this +standard INQUIRY response in its sysfs pseudo filesystem. A typical +location is at /sys/class/scsi_disk/<hctl>/device/inquiry where <hctl> is +a four part numeric tuple separated by colons. This tuple distinguishes +the device from any others on the system. Linux also places some VPD page +responses in binary in the same directory with names like "vpd_pg83" where +the last two digits form the hexadecimal VPD page number whose binary +contents are therein. +.br +Some VPD pages (e.g. the Extended Inquiry VPD page) depend on knowing +the settings in the standard INQUIRY response to interpret the fields +in that VPD page. This option together with the \fI\-\-all\fR, +\fI\-\-examine\fR or \fI\-\-page=PG\fR allows this utility to process +both the standard INQUIRY response and VPD pages in the same invocation. +.TP \fB\-M\fR, \fB\-\-vendor\fR=\fIVP\fR where \fIVP\fR is a vendor (e.g. "sea" for Seagate) or vendor/product acronym (e.g. "hp3par" for the 3PAR array from HP). Many vendors have |