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[SCSI] lpfc 8.3.34: Add LOGO support after ABTS compliance

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Make compliant with FC specs by sending LOGO after ABTS timeouts

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart
2012-08-14 14:25:21 -04:00
committed by James Bottomley
parent 0e58076b37
commit 086a345f9d
7 changed files with 297 additions and 81 deletions
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50
drivers/scsi/lpfc/lpfc_sli.c
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@@ -8555,56 +8555,6 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
return 0;
}
/* lpfc_sli_abts_recover_port - Recover a port that failed an ABTS.
* @vport: pointer to virtual port object.
* @ndlp: nodelist pointer for the impacted rport.
*
* The driver calls this routine in response to a XRI ABORT CQE
* event from the port. In this event, the driver is required to
* recover its login to the rport even though its login may be valid
* from the driver's perspective. The failed ABTS notice from the
* port indicates the rport is not responding.
*/
static void
lpfc_sli_abts_recover_port(struct lpfc_vport *vport,
struct lpfc_nodelist *ndlp)
{
struct Scsi_Host *shost;
struct lpfc_hba *phba;
unsigned long flags = 0;
shost = lpfc_shost_from_vport(vport);
phba = vport->phba;
if (ndlp->nlp_state != NLP_STE_MAPPED_NODE) {
lpfc_printf_log(phba, KERN_INFO,
LOG_SLI, "3093 No rport recovery needed. "
"rport in state 0x%x\n",
ndlp->nlp_state);
return;
}
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"3094 Start rport recovery on shost id 0x%x "
"fc_id 0x%06x vpi 0x%x rpi 0x%x state 0x%x "
"flags 0x%x\n",
shost->host_no, ndlp->nlp_DID,
vport->vpi, ndlp->nlp_rpi, ndlp->nlp_state,
ndlp->nlp_flag);
/*
* The rport is not responding. Don't attempt ADISC recovery.
* Remove the FCP-2 flag to force a PLOGI.
*/
spin_lock_irqsave(shost->host_lock, flags);
ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
spin_unlock_irqrestore(shost->host_lock, flags);
lpfc_disc_state_machine(vport, ndlp, NULL,
NLP_EVT_DEVICE_RECOVERY);
lpfc_cancel_retry_delay_tmo(vport, ndlp);
spin_lock_irqsave(shost->host_lock, flags);
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
spin_unlock_irqrestore(shost->host_lock, flags);
lpfc_disc_start(vport);
}
/* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port.
* @phba: Pointer to HBA context object.
* @iocbq: Pointer to iocb object.