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Out of an abundance of caution treat

Browse source 
* Samsung 843T Series SSDs (MZ7WD*)
 * Samsung PM851 Series SSDs (MZ7TE*)
 * Samsung PM853T Series SSDs (MZ7GE*)
as known having broken NCQ TRIM support as they appear to be based on
the same controller technology as the 840 and 850 series.

I've had at least one report of the PM853 being broken, so err on the
side of caution for the above drives. The PM863/SM863 appears to be
based on a newer controller, so give it the benefit of the doubt.
This commit is contained in:
Warner Losh 2016-04-15 05:10:31 +00:00
parent a17433653c
commit b93ecd35e7
1 changed files with 11 additions and 3 deletions
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14
sys/cam/ata/ata_da.c
View file

@ -567,16 +567,24 @@ static struct ada_quirk_entry ada_quirk_table[] =
{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" },
/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
},
{
/*
* Samsung SM863 Series SSDs (MZ7KM*)
* 4k optimised, NCQ believed to be working
*/
{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7KM*", "*" },
/*quirks*/ADA_Q_4K
},
{
/*
* Samsung 843T Series SSDs (MZ7WD*)
* Samsung PM851 Series SSDs (MZ7TE*)
* Samsung PM853T Series SSDs (MZ7GE*)
* Samsung SM863 Series SSDs (MZ7KM*)
* 4k optimised, NCQ Trim believed working
* 4k optimised, NCQ believed to be broken since these are
* appear to be built with the same controllers as the 840/850.
*/
{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7*", "*" },
/*quirks*/ADA_Q_4K
/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
},
{
/*