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authorOr Gerlitz <ogerlitz@mellanox.com>2013-08-08 13:44:29 +0300
committerJames Bottomley <JBottomley@Parallels.com>2013-08-26 18:53:49 +0400
commit6a06a4b8cff89b91cb04d3b44242658df1b3e851 (patch)
treeec62488048174098e8a95faf83ef1958c02bf2de /drivers/infiniband/ulp/iser/iscsi_iser.c
parente1e819cc9608760e9b5d094f8198c33238b01336 (diff)
[SCSI] IB/iser: Add Discovery support
To run discovery over iSER we need to advertize the CAP_TEXT_NEGO capability towards user space. Also need to make sure the login RX buffer is posted when SendTargets TEXT PDUs are sent. For that end, we use a setting of the ISCSI_PARAM_DISCOVERY_SESS iscsi param as an indication that this is discovery session. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.c')
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 2e84ef859c5b..1ec78bd8fa13 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -672,6 +672,7 @@ static umode_t iser_attr_is_visible(int param_type, int param)
case ISCSI_PARAM_TGT_RESET_TMO:
case ISCSI_PARAM_IFACE_NAME:
case ISCSI_PARAM_INITIATOR_NAME:
+ case ISCSI_PARAM_DISCOVERY_SESS:
return S_IRUGO;
default:
return 0;
@@ -701,7 +702,7 @@ static struct scsi_host_template iscsi_iser_sht = {
static struct iscsi_transport iscsi_iser_transport = {
.owner = THIS_MODULE,
.name = "iser",
- .caps = CAP_RECOVERY_L0 | CAP_MULTI_R2T,
+ .caps = CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_TEXT_NEGO,
/* session management */
.create_session = iscsi_iser_session_create,
.destroy_session = iscsi_iser_session_destroy,