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doc: admin-guide: Update libata kernel parameters 

Cleanup the text text describing the libata.force boot parameter and
update the list of the values to include all supported horkage and link
flag that can be forced.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
This commit is contained in:
Damien Le Moal 2022-03-18 19:26:54 +09:00
parent 2c33bbdac2
commit fa82cabb88
1 changed files with 55 additions and 16 deletions
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71
Documentation/admin-guide/kernel-parameters.txt
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@ -2622,14 +2622,14 @@
when set.
Format: <int>
libata.force= [LIBATA] Force configurations. The format is comma-
separated list of "[ID:]VAL" where ID is
PORT[.DEVICE]. PORT and DEVICE are decimal numbers
matching port, link or device. Basically, it matches
the ATA ID string printed on console by libata. If
the whole ID part is omitted, the last PORT and DEVICE
values are used. If ID hasn't been specified yet, the
configuration applies to all ports, links and devices.
libata.force= [LIBATA] Force configurations. The format is a comma-
separated list of "[ID:]VAL" where ID is PORT[.DEVICE].
PORT and DEVICE are decimal numbers matching port, link
or device. Basically, it matches the ATA ID string
printed on console by libata. If the whole ID part is
omitted, the last PORT and DEVICE values are used. If
ID hasn't been specified yet, the configuration applies
to all ports, links and devices.
If only DEVICE is omitted, the parameter applies to
the port and all links and devices behind it. DEVICE
@ -2639,7 +2639,7 @@
host link and device attached to it.
The VAL specifies the configuration to force. As long
as there's no ambiguity shortcut notation is allowed.
as there is no ambiguity, shortcut notation is allowed.
For example, both 1.5 and 1.5G would work for 1.5Gbps.
The following configurations can be forced.
@ -2652,19 +2652,58 @@
udma[/][16,25,33,44,66,100,133] notation is also
allowed.
* nohrst, nosrst, norst: suppress hard, soft and both
resets.
* rstonce: only attempt one reset during hot-unplug
link recovery.
* [no]dbdelay: Enable or disable the extra 200ms delay
before debouncing a link PHY and device presence
detection.
* [no]ncq: Turn on or off NCQ.
* [no]ncqtrim: Turn off queued DSM TRIM.
* [no]ncqtrim: Enable or disable queued DSM TRIM.
* nohrst, nosrst, norst: suppress hard, soft
and both resets.
* [no]ncqati: Enable or disable NCQ trim on ATI chipset.
* rstonce: only attempt one reset during
hot-unplug link recovery
* [no]trim: Enable or disable (unqueued) TRIM.
* dump_id: dump IDENTIFY data.
* trim_zero: Indicate that TRIM command zeroes data.
* atapi_dmadir: Enable ATAPI DMADIR bridge support
* max_trim_128m: Set 128M maximum trim size limit.
* [no]dma: Turn on or off DMA transfers.
* atapi_dmadir: Enable ATAPI DMADIR bridge support.
* atapi_mod16_dma: Enable the use of ATAPI DMA for
commands that are not a multiple of 16 bytes.
* [no]dmalog: Enable or disable the use of the
READ LOG DMA EXT command to access logs.
* [no]iddevlog: Enable or disable access to the
identify device data log.
* [no]logdir: Enable or disable access to the general
purpose log directory.
* max_sec_128: Set transfer size limit to 128 sectors.
* max_sec_1024: Set or clear transfer size limit to
1024 sectors.
* max_sec_lba48: Set or clear transfer size limit to
65535 sectors.
* [no]lpm: Enable or disable link power management.
* [no]setxfer: Indicate if transfer speed mode setting
should be skipped.
* dump_id: Dump IDENTIFY data.
* disable: Disable this device.