linux-kernel - [PATCH] ibmvfc: Set READ FCP_XFER

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Message-Id: <1470260213-19087-2-git-send-email-tyreld@linux.vnet.ibm.com>
Date:	Wed,  3 Aug 2016 16:36:52 -0500
From:	Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>
To:	james.bottomley@...senpartnership.com
Cc:	martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, brking@...ux.vnet.ibm.com,
	nfont@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	mpe@...erman.id.au, Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>
Subject: [PATCH] ibmvfc: Set READ FCP_XFER_READY DISABLED bit in PRLI

The READ FCP_XFER_READY DISABLED bit is required to always be set to
one since FCP-3. Set it in the service parameter page frame during
process login.

Signed-off-by: Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>
---
 drivers/scsi/ibmvscsi/ibmvfc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index ab67ec4..4a680ce 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3381,6 +3381,7 @@ static void ibmvfc_tgt_send_prli(struct ibmvfc_target *tgt)
 	prli->parms.type = IBMVFC_SCSI_FCP_TYPE;
 	prli->parms.flags = cpu_to_be16(IBMVFC_PRLI_EST_IMG_PAIR);
 	prli->parms.service_parms = cpu_to_be32(IBMVFC_PRLI_INITIATOR_FUNC);
+	prli->parms.service_parms |= cpu_to_be32(IBMVFC_PRLI_READ_FCP_XFER_RDY_DISABLED);
 
 	ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_INIT_WAIT);
 	if (ibmvfc_send_event(evt, vhost, default_timeout)) {
-- 
2.7.4