linux-kernel - [PATCH 4.11 118/150] scsi: qla2xxx: Set bit 15 for DIAG_ECHO

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Date:   Mon, 12 Jun 2017 17:25:25 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Joe Carnuccio <joe.carnuccio@...ium.com>,
        Himanshu Madhani <himanshu.madhani@...ium.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 4.11 118/150] scsi: qla2xxx: Set bit 15 for DIAG_ECHO_TEST MBC

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Joe Carnuccio <joe.carnuccio@...ium.com>

commit 1d63496516c61e2e1351f10e6becbfc9ee511395 upstream.

Set bit (BIT_15) to send right ECHO payload information for Diagnostic
Echo Test command.

Signed-off-by: Joe Carnuccio <joe.carnuccio@...ium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@...ium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/qla2xxx/qla_bsg.c |    9 +++++----
 drivers/scsi/qla2xxx/qla_mbx.c |    4 ++--
 2 files changed, 7 insertions(+), 6 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -730,6 +730,8 @@ qla2x00_process_loopback(struct bsg_job
 		return -EIO;
 	}
 
+	memset(&elreq, 0, sizeof(elreq));
+
 	elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev,
 		bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt,
 		DMA_TO_DEVICE);
@@ -795,10 +797,9 @@ qla2x00_process_loopback(struct bsg_job
 
 	if (atomic_read(&vha->loop_state) == LOOP_READY &&
 	    (ha->current_topology == ISP_CFG_F ||
-	    ((IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) &&
-	    le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
-	    && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
-		elreq.options == EXTERNAL_LOOPBACK) {
+	    (le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE &&
+	     req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
+	    elreq.options == EXTERNAL_LOOPBACK) {
 		type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
 		ql_dbg(ql_dbg_user, vha, 0x701e,
 		    "BSG request type: %s.\n", type);
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -4812,9 +4812,9 @@ qla2x00_echo_test(scsi_qla_host_t *vha,
 
 	memset(mcp->mb, 0 , sizeof(mcp->mb));
 	mcp->mb[0] = MBC_DIAGNOSTIC_ECHO;
-	mcp->mb[1] = mreq->options | BIT_6;	/* BIT_6 specifies 64bit address */
+	/* BIT_6 specifies 64bit address */
+	mcp->mb[1] = mreq->options | BIT_15 | BIT_6;
 	if (IS_CNA_CAPABLE(ha)) {
-		mcp->mb[1] |= BIT_15;
 		mcp->mb[2] = vha->fcoe_fcf_idx;
 	}
 	mcp->mb[16] = LSW(mreq->rcv_dma);