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[SCSI] lpfc 8.3.28: Add support for ABTS failure handling

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Add support for ABTS failure handling:

- Add asynchronous ABTS notification event feature to driver (CR 124578)
- Change driver message 3092 and 3116 to KERN_WARNING (CR 124768)
- Alter the SCR ELS command to use the temporary RPI and the
  Destination DID for SLI4-FC (CR 126070)

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart
2011-12-13 13:21:57 -05:00
committed by James Bottomley
parent ff78d8f97c
commit cb69f7decc
7 changed files with 263 additions and 93 deletions
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67
drivers/scsi/lpfc/lpfc_hbadisc.c
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@@ -5352,6 +5352,73 @@ lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn)
return ndlp;
}
/*
* This routine looks up the ndlp lists for the given RPI. If the rpi
* is found, the routine returns the node element list pointer else
* return NULL.
*/
struct lpfc_nodelist *
lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_nodelist *ndlp;
spin_lock_irq(shost->host_lock);
ndlp = __lpfc_findnode_rpi(vport, rpi);
spin_unlock_irq(shost->host_lock);
return ndlp;
}
/**
* lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
* @phba: pointer to lpfc hba data structure.
* @vpi: the physical host virtual N_Port identifier.
*
* This routine finds a vport on a HBA (referred by @phba) through a
* @vpi. The function walks the HBA's vport list and returns the address
* of the vport with the matching @vpi.
*
* Return code
* NULL - No vport with the matching @vpi found
* Otherwise - Address to the vport with the matching @vpi.
**/
struct lpfc_vport *
lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
{
struct lpfc_vport *vport;
unsigned long flags;
int i = 0;
/* The physical ports are always vpi 0 - translate is unnecessary. */
if (vpi > 0) {
/*
* Translate the physical vpi to the logical vpi. The
* vport stores the logical vpi.
*/
for (i = 0; i < phba->max_vpi; i++) {
if (vpi == phba->vpi_ids[i])
break;
}
if (i >= phba->max_vpi) {
lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
"2936 Could not find Vport mapped "
"to vpi %d\n", vpi);
return NULL;
}
}
spin_lock_irqsave(&phba->hbalock, flags);
list_for_each_entry(vport, &phba->port_list, listentry) {
if (vport->vpi == i) {
spin_unlock_irqrestore(&phba->hbalock, flags);
return vport;
}
}
spin_unlock_irqrestore(&phba->hbalock, flags);
return NULL;
}
void
lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
uint32_t did)