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Date:      Sun, 19 Oct 2014 16:46:36 +0000 (UTC)
From:      "George V. Neville-Neil" <gnn@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r273279 - in head/sys/cam: ata scsi
Message-ID:  <201410191646.s9JGkanV039873@svn.freebsd.org>

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Author: gnn
Date: Sun Oct 19 16:46:36 2014
New Revision: 273279
URL: https://svnweb.freebsd.org/changeset/base/273279

Log:
  Add new quirks for the latest Samsung SSD, model 850.
  
  Submitted by:	sbruno
  MFC after:	2 weeks

Modified:
  head/sys/cam/ata/ata_da.c
  head/sys/cam/scsi/scsi_da.c

Modified: head/sys/cam/ata/ata_da.c
==============================================================================
--- head/sys/cam/ata/ata_da.c	Sun Oct 19 16:26:49 2014	(r273278)
+++ head/sys/cam/ata/ata_da.c	Sun Oct 19 16:46:36 2014	(r273279)
@@ -457,6 +457,14 @@ static struct ada_quirk_entry ada_quirk_
 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7WD*", "*" },
 		/*quirks*/ADA_Q_4K
 	},
+ 	{
+ 		/*
+		 * Samsung 850 SSDs
+		 * 4k optimised
+		 */
+		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" },
+		/*quirks*/ADA_Q_4K
+	},
 	{
 		/*
 		 * Samsung PM853T Series SSDs

Modified: head/sys/cam/scsi/scsi_da.c
==============================================================================
--- head/sys/cam/scsi/scsi_da.c	Sun Oct 19 16:26:49 2014	(r273278)
+++ head/sys/cam/scsi/scsi_da.c	Sun Oct 19 16:46:36 2014	(r273279)
@@ -1132,6 +1132,14 @@ static struct da_quirk_entry da_quirk_ta
 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7WD*", "*" },
 		/*quirks*/DA_Q_4K
 	},
+ 	{
+ 		/*
+		 * Samsung 850 SSDs
+		 * 4k optimised & trim only works in 4k requests + 4k aligned
+		 */
+		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
+		/*quirks*/DA_Q_4K
+	},
 	{
 		/*
 		 * Samsung PM853T Series SSDs



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