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[SCSI] lpfc 8.3.21: RRQ Implementation fixes

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RRQ Implementation fixes

- Added checks to prevent a call to findnode_did in clr_active_rrq
- Added the del_sync_timer call for the rrq_tmr to the stop_hba_timers routine.
- Added a check in __lpfc_set_active_rrq for the driver unloading to prevent
  adding an rrq when the driver is being removed.
- Add code to scsi_iocb_cmpl to check for the remote stop and add the rrq.
- Added the same check to els retry.
- Added code to compare the source did in the els rrq to the vports did and
  chose the right exchange ID.
- Initialize the start_cmd pointer to indicate when we have looped through
  all of the scsi buffers.
- Remove the need for the lock around the clearing of the active bit in the
  rrq.
- Added code to clean the els and fcp xri aborted list and remove the all of
  the RRQs for a deleted vport.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart
2011-02-16 12:39:35 -05:00
committed by James Bottomley
parent fedd3b7b93
commit 1151e3ec15
7 changed files with 207 additions and 140 deletions
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13
drivers/scsi/lpfc/lpfc_init.c
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@ -945,17 +945,13 @@ static void
lpfc_rrq_timeout(unsigned long ptr)
{
struct lpfc_hba *phba;
uint32_t tmo_posted;
unsigned long iflag;
phba = (struct lpfc_hba *)ptr;
spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
tmo_posted = phba->hba_flag & HBA_RRQ_ACTIVE;
if (!tmo_posted)
phba->hba_flag |= HBA_RRQ_ACTIVE;
phba->hba_flag |= HBA_RRQ_ACTIVE;
spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
if (!tmo_posted)
lpfc_worker_wake_up(phba);
lpfc_worker_wake_up(phba);
}
/**
@ -2280,6 +2276,7 @@ lpfc_cleanup(struct lpfc_vport *vport)
/* Wait for any activity on ndlps to settle */
msleep(10);
}
lpfc_cleanup_vports_rrqs(vport, NULL);
}
/**
@ -2355,6 +2352,10 @@ lpfc_stop_hba_timers(struct lpfc_hba *phba)
del_timer_sync(&phba->fabric_block_timer);
del_timer_sync(&phba->eratt_poll);
del_timer_sync(&phba->hb_tmofunc);
if (phba->sli_rev == LPFC_SLI_REV4) {
del_timer_sync(&phba->rrq_tmr);
phba->hba_flag &= ~HBA_RRQ_ACTIVE;
}
phba->hb_outstanding = 0;
switch (phba->pci_dev_grp) {