kern/178040: [cam] [patch] Add 4K quirks for Intel 320 and 510-series SSDs
Jeremy Chadwick
jdc at koitsu.org
Mon Apr 22 04:50:02 UTC 2013
>Number: 178040
>Category: kern
>Synopsis: [cam] [patch] Add 4K quirks for Intel 320 and 510-series SSDs
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: update
>Submitter-Id: current-users
>Arrival-Date: Mon Apr 22 04:50:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Jeremy Chadwick
>Release: FreeBSD 9.1-STABLE amd64
>Organization:
>Environment:
System: FreeBSD icarus.home.lan 9.1-STABLE FreeBSD 9.1-STABLE #1 r249715M: Sun Apr 21 21:07:17 PDT 2013 root at icarus.home.lan:/usr/obj/usr/src/sys/X7SBA_RELENG_9_amd64 amd64
>Description:
Intel's 320-series and 510-series SSDs advertise 512-byte sectors
sizes for both logical and physical. This adds ADA_Q_4K quirks
for both. (Intel, for whatever reason, didn't add physical sector
advertisement in ATA IDENTIFY; maybe they're strictly adhering to
non-draft specs, I don't know...)
Validation of my claims:
root at icarus:~ # smartctl -a /dev/ada0
...
Model Family: Intel 320 Series SSDs
Device Model: INTEL SSDSA2CW080G3
...
Firmware Version: 4PC10302
User Capacity: 80,026,361,856 bytes [80.0 GB]
Sector Size: 512 bytes logical/physical
...
root at icarus:~ # smartctl -a /dev/ada5
...
Model Family: Intel 510 Series SSDs
Device Model: INTEL SSDSC2MH120A2
...
Firmware Version: PPG4
User Capacity: 120,034,123,776 bytes [120 GB]
Sector Size: 512 bytes logical/physical
...
>How-To-Repeat:
n/a
>Fix:
Apply below patch. Patch will also be available at the following
URL once I get a GNATS PR:
http://jdc.koitsu.org/freebsd/{prnum}/
Index: sys/cam/ata/ata_da.c
===================================================================
--- sys/cam/ata/ata_da.c (revision 249745)
+++ sys/cam/ata/ata_da.c (working copy)
@@ -350,6 +350,14 @@ static struct ada_quirk_entry ada_quirk_table[] =
},
{
/*
+ * Intel 320 Series SSDs
+ * 4k optimised & trim only works in 4k requests + 4k aligned
+ */
+ { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" },
+ /*quirks*/ADA_Q_4K
+ },
+ {
+ /*
* Intel 330 Series SSDs
* 4k optimised & trim only works in 4k requests + 4k aligned
* Submitted by: Steven Hartland <steven.hartland at multiplay.co.uk>
@@ -360,6 +368,14 @@ static struct ada_quirk_entry ada_quirk_table[] =
},
{
/*
+ * Intel 510 Series SSDs
+ * 4k optimised & trim only works in 4k requests + 4k aligned
+ */
+ { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" },
+ /*quirks*/ADA_Q_4K
+ },
+ {
+ /*
* OCZ Deneva R Series SSDs
* 4k optimised & trim only works in 4k requests + 4k aligned
* Submitted by: Steven Hartland <steven.hartland at multiplay.co.uk>
>Release-Note:
>Audit-Trail:
>Unformatted:
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