diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nportdisc.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 63 |
1 files changed, 38 insertions, 25 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index c4172791c267..f6a53446e57f 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -47,6 +47,18 @@ #include "lpfc_debugfs.h" +/* Called to clear RSCN discovery flags when driver is unloading. */ +static bool +lpfc_check_unload_and_clr_rscn(unsigned long *fc_flag) +{ + /* If unloading, then clear the FC_RSCN_DEFERRED flag */ + if (test_bit(FC_UNLOADING, fc_flag)) { + clear_bit(FC_RSCN_DEFERRED, fc_flag); + return false; + } + return test_bit(FC_RSCN_DEFERRED, fc_flag); +} + /* Called to verify a rcv'ed ADISC was intended for us. */ static int lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, @@ -213,8 +225,10 @@ void lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { LIST_HEAD(abort_list); + LIST_HEAD(drv_cmpl_list); struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; + int retval = 0; pring = lpfc_phba_elsring(phba); @@ -250,11 +264,20 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) /* Abort the targeted IOs and remove them from the abort list. */ list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { - spin_lock_irq(&phba->hbalock); - list_del_init(&iocb->dlist); - lpfc_sli_issue_abort_iotag(phba, pring, iocb, NULL); - spin_unlock_irq(&phba->hbalock); + spin_lock_irq(&phba->hbalock); + list_del_init(&iocb->dlist); + retval = lpfc_sli_issue_abort_iotag(phba, pring, iocb, NULL); + spin_unlock_irq(&phba->hbalock); + + if (retval && test_bit(FC_UNLOADING, &phba->pport->load_flag)) { + list_del_init(&iocb->list); + list_add_tail(&iocb->list, &drv_cmpl_list); + } } + + lpfc_sli_cancel_iocbs(phba, &drv_cmpl_list, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); + /* Make sure HBA is alive */ lpfc_issue_hb_tmo(phba); @@ -481,7 +504,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, * must have ACCed the remote NPorts FLOGI to us * to make it here. */ - if (phba->hba_flag & HBA_FLOGI_OUTSTANDING) + if (test_bit(HBA_FLOGI_OUTSTANDING, &phba->hba_flag)) lpfc_els_abort_flogi(phba); ed_tov = be32_to_cpu(sp->cmn.e_d_tov); @@ -1604,10 +1627,8 @@ lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, { struct lpfc_hba *phba = vport->phba; - /* Don't do anything that will mess up processing of the - * previous RSCN. - */ - if (test_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) + /* Don't do anything that disrupts the RSCN unless lpfc is unloading. */ + if (lpfc_check_unload_and_clr_rscn(&vport->fc_flag)) return ndlp->nlp_state; /* software abort outstanding PLOGI */ @@ -1790,10 +1811,8 @@ lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, { struct lpfc_hba *phba = vport->phba; - /* Don't do anything that will mess up processing of the - * previous RSCN. - */ - if (test_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) + /* Don't do anything that disrupts the RSCN unless lpfc is unloading. */ + if (lpfc_check_unload_and_clr_rscn(&vport->fc_flag)) return ndlp->nlp_state; /* software abort outstanding ADISC */ @@ -2059,10 +2078,8 @@ lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, void *arg, uint32_t evt) { - /* Don't do anything that will mess up processing of the - * previous RSCN. - */ - if (test_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) + /* Don't do anything that disrupts the RSCN unless lpfc is unloading. */ + if (lpfc_check_unload_and_clr_rscn(&vport->fc_flag)) return ndlp->nlp_state; ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; @@ -2375,10 +2392,8 @@ lpfc_device_recov_prli_issue(struct lpfc_vport *vport, { struct lpfc_hba *phba = vport->phba; - /* Don't do anything that will mess up processing of the - * previous RSCN. - */ - if (test_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) + /* Don't do anything that disrupts the RSCN unless lpfc is unloading. */ + if (lpfc_check_unload_and_clr_rscn(&vport->fc_flag)) return ndlp->nlp_state; /* software abort outstanding PRLI */ @@ -2894,10 +2909,8 @@ static uint32_t lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { - /* Don't do anything that will mess up processing of the - * previous RSCN. - */ - if (test_bit(FC_RSCN_DEFERRED, &vport->fc_flag)) + /* Don't do anything that disrupts the RSCN unless lpfc is unloading. */ + if (lpfc_check_unload_and_clr_rscn(&vport->fc_flag)) return ndlp->nlp_state; lpfc_cancel_retry_delay_tmo(vport, ndlp); |