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authorNicholas Bellinger <nab@linux-iscsi.org>2013-12-24 00:32:46 +0400
committerNicholas Bellinger <nab@linux-iscsi.org>2014-01-18 13:53:12 +0400
commitbdbad2bdcbda68746cdff36459cfb1bf4b1d5e59 (patch)
treed6bf17d6af836c0917f5b3faa2dd44ca019e85f7
parent41861fa831afd4b5006f0042e1f701360330351e (diff)
downloadlinux-bdbad2bdcbda68746cdff36459cfb1bf4b1d5e59.tar.xz
target/spc: Add protection bit to standard INQUIRY output
This patch updates spc_emulate_inquiry_std() to set the PROTECT bit when DIF emulation is enabled by the backend device. Reviewed-by: 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>
-rw-r--r--drivers/target/target_core_spc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 279d26062f69..4178c2a0f210 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 */