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authorRoland Dreier <roland@purestorage.com>2011-12-06 10:02:09 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-25 16:13:49 -0800
commit9ce1ae0acda051d7378c5726d5e63a45dc88beb6 (patch)
treed94a6e37457b6eae87d85fcdbf6ed50af374055f
parentb328e18f8ba3c8a32ba45952ae5bf8dd39d73120 (diff)
target: Set response format in INQUIRY response
commit ce136176fea522fc8f4c16dcae7e8ed1d890ca39 upstream. Current SCSI specs say that the "response format" field in the standard INQUIRY response should be set to 2, and all the real SCSI devices I have do put 2 here. So let's do that too. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/target/target_core_cdb.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 831468b3163..2e8c1bec891 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -94,6 +94,18 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
buf[2] = dev->transport->get_device_rev(dev);
/*
+ * NORMACA and HISUP = 0, RESPONSE DATA FORMAT = 2
+ *
+ * SPC4 says:
+ * A RESPONSE DATA FORMAT field set to 2h indicates that the
+ * standard INQUIRY data is in the format defined in this
+ * standard. Response data format values less than 2h are
+ * obsolete. Response data format values greater than 2h are
+ * reserved.
+ */
+ buf[3] = 2;
+
+ /*
* Enable SCCS and TPGS fields for Emulated ALUA
*/
if (dev->se_sub_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED)