From b7dce5b8e988f47784c55aa096541deda7b1aaeb Mon Sep 17 00:00:00 2001
From: Andriy Gapon <avg@FreeBSD.org>
Date: Mon, 19 Feb 2024 12:16:47 +0200
Subject: [PATCH] scsi_da: add 4K quirks for Samsung SSD 860 and 870

Although the actual flash page size is either 8K or 16K for those
devices (according to different sources of various reliability), they
seem to be optimized for the "industry-standard" emulated 4K block size.

To do: consolidate very similar Samsung SSD entries for 830 - 870
models.

MFC after:	2 weeks
---
 sys/cam/scsi/scsi_da.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
index d578e4ccb71..9b3d706d616 100644
--- a/sys/cam/scsi/scsi_da.c
+++ b/sys/cam/scsi/scsi_da.c
@@ -1395,6 +1395,22 @@ static struct da_quirk_entry da_quirk_table[] =
 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
 		/*quirks*/DA_Q_4K
 	},
+	{
+		/*
+		 * Samsung 860 SSDs
+		 * 4k optimised & trim only works in 4k requests + 4k aligned
+		 */
+		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 860*", "*" },
+		/*quirks*/DA_Q_4K
+	},
+	{
+		/*
+		 * Samsung 870 SSDs
+		 * 4k optimised & trim only works in 4k requests + 4k aligned
+		 */
+		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 870*", "*" },
+		/*quirks*/DA_Q_4K
+	},
 	{
 		/*
 		 * Samsung 843T Series SSDs (MZ7WD*)