diff options
author | Quinn Tran | 2018-08-02 22:16:57 +0200 |
---|---|---|
committer | Martin K. Petersen | 2018-08-02 22:56:18 +0200 |
commit | 8777e4314d397c4e3615dc02fe8537e571e3922f (patch) | |
tree | b5abecbdc65992694d4acc88b58f97b2ec797a0d /drivers/scsi/qla2xxx/qla_os.c | |
parent | scsi: qla2xxx: Save frame payload size from ICB (diff) | |
download | kernel-qcow2-linux-8777e4314d397c4e3615dc02fe8537e571e3922f.tar.gz kernel-qcow2-linux-8777e4314d397c4e3615dc02fe8537e571e3922f.tar.xz kernel-qcow2-linux-8777e4314d397c4e3615dc02fe8537e571e3922f.zip |
scsi: qla2xxx: Migrate NVME N2N handling into state machine
This patch fixes regression introduced for the N2N support for FC-NVMe. For
FC-NVMe with N2N connection, instead of FW initiating the Login, Driver
starts Login process. This patch migrates that new process from a
standalone path into existing session management state machine. With this
state change now driver will not wait for pull NPort ID from FW.
Fixes: edd05de197592 ("scsi: qla2xxx: Changes to support N2N logins")
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 48d1003c8178..15b63136961c 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4789,7 +4789,6 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) struct qlt_plogi_ack_t *pla = (struct qlt_plogi_ack_t *)e->u.new_sess.pla; uint8_t free_fcport = 0; - u64 wwn; ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC enter\n", @@ -4817,10 +4816,10 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) fcport->d_id = e->u.new_sess.id; fcport->flags |= FCF_FABRIC_DEVICE; fcport->fw_login_state = DSC_LS_PLOGI_PEND; - if (e->u.new_sess.fc4_type & FS_FC4TYPE_FCP) + if (e->u.new_sess.fc4_type == FS_FC4TYPE_FCP) fcport->fc4_type = FC4_TYPE_FCP_SCSI; - if (e->u.new_sess.fc4_type & FS_FC4TYPE_NVME) { + if (e->u.new_sess.fc4_type == FS_FC4TYPE_NVME) { fcport->fc4_type = FC4_TYPE_OTHER; fcport->fc4f_nvme = FC4_TYPE_NVME; } @@ -4862,9 +4861,6 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); if (fcport) { - if (N2N_TOPO(vha->hw)) - fcport->flags &= ~FCF_FABRIC_DEVICE; - fcport->id_changed = 1; fcport->scan_state = QLA_FCPORT_FOUND; memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE); @@ -4925,12 +4921,22 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) if (dfcp) qlt_schedule_sess_for_deletion(tfcp); - wwn = wwn_to_u64(fcport->node_name); - if (!wwn) - qla24xx_async_gnnid(vha, fcport); - else - qla24xx_async_gnl(vha, fcport); + if (N2N_TOPO(vha->hw)) + fcport->flags &= ~FCF_FABRIC_DEVICE; + + if (N2N_TOPO(vha->hw)) { + if (vha->flags.nvme_enabled) { + fcport->fc4f_nvme = 1; + fcport->n2n_flag = 1; + } + fcport->fw_login_state = 0; + /* + * wait link init done before sending login + */ + } else { + qla24xx_fcport_handle_login(vha, fcport); + } } } @@ -5065,6 +5071,10 @@ qla2x00_do_work(struct scsi_qla_host *vha) case QLA_EVT_IIDMA: qla_do_iidma_work(vha, e->u.fcport.fcport); break; + case QLA_EVT_ELS_PLOGI: + qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI, + e->u.fcport.fcport, false); + break; } if (e->flags & QLA_EVT_FLAG_FREE) kfree(e); |