[PATCH v4 10/13] qla2xxx: Fix FC-NVMe IO abort during driver reset

[Himanshu Madhani]

From: Darren Trapp <darren.tr...@cavium.com>

Signed-off-by: Darren Trapp <darren.tr...@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madh...@cavium.com>
Reviewed-by: Hannes Reinecke <h...@suse.com>
Reviewed-by: Johannes Thumshirn <jthumsh...@suse.de>
---
 drivers/scsi/qla2xxx/qla_nvme.c | 17 ++++++++++++-----
 drivers/scsi/qla2xxx/qla_nvme.h |  2 +-
 drivers/scsi/qla2xxx/qla_os.c   |  2 +-
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 8c05df30c083..57275bc9fe14 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -489,6 +489,9 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port 
*lport,
 
        vha = fcport->vha;
 
+       if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
+               return rval;
+
        /*
         * If we know the dev is going away while the transport is still sending
         * IO's return busy back to stall the IO Q.  This happens when the
@@ -597,14 +600,18 @@ static int qla_nvme_wait_on_command(srb_t *sp)
        return ret;
 }
 
-void qla_nvme_abort(struct qla_hw_data *ha, struct srb *sp)
+void qla_nvme_abort(struct qla_hw_data *ha, struct srb *sp, int res)
 {
        int rval;
 
-       rval = ha->isp_ops->abort_command(sp);
-       if (!rval && !qla_nvme_wait_on_command(sp))
-               ql_log(ql_log_warn, NULL, 0x2112,
-                   "nvme_wait_on_comand timed out waiting on sp=%p\n", sp);
+       if (!test_bit(ABORT_ISP_ACTIVE, &sp->vha->dpc_flags)) {
+               rval = ha->isp_ops->abort_command(sp);
+               if (!rval && !qla_nvme_wait_on_command(sp))
+                       ql_log(ql_log_warn, NULL, 0x2112,
+                           "timed out waiting on sp=%p\n", sp);
+       } else {
+               sp->done(sp, res);
+       }
 }
 
 static void qla_nvme_unregister_remote_port(struct work_struct *work)
diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h
index 8df379478269..816854ada654 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.h
+++ b/drivers/scsi/qla2xxx/qla_nvme.h
@@ -145,7 +145,7 @@ struct pt_ls4_rx_unsol {
 void qla_nvme_register_hba(struct scsi_qla_host *);
 int  qla_nvme_register_remote(struct scsi_qla_host *, struct fc_port *);
 void qla_nvme_delete(struct scsi_qla_host *);
-void qla_nvme_abort(struct qla_hw_data *, struct srb *sp);
+void qla_nvme_abort(struct qla_hw_data *, struct srb *sp, int res);
 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *, struct pt_ls4_request *,
     struct req_que *);
 void qla24xx_async_gffid_sp_done(void *, int);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index bd37a243c0bd..54f93f9cba48 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1734,7 +1734,7 @@ __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
                                        sp_get(sp);
                                        spin_unlock_irqrestore(qp->qp_lock_ptr,
                                            flags);
-                                       qla_nvme_abort(ha, sp);
+                                       qla_nvme_abort(ha, sp, res);
                                        spin_lock_irqsave(qp->qp_lock_ptr,
                                            flags);
                                } else if (GET_CMD_SP(sp) &&
-- 
2.14.1