lkml.org 
[lkml]   [2014]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 05/14] target/spc: Add protection bit to standard INQUIRY output
Date
From: Nicholas Bellinger <nab@linux-iscsi.org>

This patch updates spc_emulate_inquiry_std() to set the
PROTECT bit when DIF emulation is enabled by the backend
device.

Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
drivers/target/target_core_spc.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 021c3f4..6b06f01 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -100,6 +100,11 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)
*/
if (dev->dev_attrib.emulate_3pc)
buf[5] |= 0x8;
+ /*
+ * Set Protection (PROTECT) bit when DIF has been enabled.
+ */
+ if (dev->dev_attrib.pi_prot_type)
+ buf[5] |= 0x1;

buf[7] = 0x2; /* CmdQue=1 */

--
1.7.10.4


\
 
 \ /
  Last update: 2014-01-08 23:21    [W:0.347 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site