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| author | James Smart <James.Smart@Emulex.Com> | 2009-10-02 15:17:02 -0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-12-04 12:01:42 -0600 |
| commit | 45ed119035b27f240345b06e090d559874e3677a (patch) | |
| tree | 14466c52a644d73ea90f30b885cfe4e3fc88d12e /drivers/scsi/lpfc/lpfc_scsi.c | |
| parent | 0d87841997125971b7a39d21d1435054f91884c3 (diff) | |
| download | lwn-45ed119035b27f240345b06e090d559874e3677a.tar.gz lwn-45ed119035b27f240345b06e090d559874e3677a.zip | |
[SCSI] lpfc 8.3.5: fix fcp command polling, add FIP mode, performance optimisations and devloss timout fixes
This patch includes the following changes:
- Fixed Panic/Hang when using polling mode for fcp commands
- Added support for Read_rev mbox bits indicating FIP mode of HBA
- Optimize performance of slow-path handling of els responses
- Add code to cleanup orphaned unsolicited receive sequences
- Fixed Devloss timeout when multiple initiators are in same zone
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index bcddb6c1a148..f5ab5dd9bbbf 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -2773,7 +2773,9 @@ void lpfc_poll_timeout(unsigned long ptr) struct lpfc_hba *phba = (struct lpfc_hba *) ptr; if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { - lpfc_sli_poll_fcp_ring (phba); + lpfc_sli_handle_fast_ring_event(phba, + &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ); + if (phba->cfg_poll & DISABLE_FCP_RING_INT) lpfc_poll_rearm_timer(phba); } @@ -2932,7 +2934,11 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) goto out_host_busy_free_buf; } if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { - lpfc_sli_poll_fcp_ring(phba); + spin_unlock(shost->host_lock); + lpfc_sli_handle_fast_ring_event(phba, + &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ); + + spin_lock(shost->host_lock); if (phba->cfg_poll & DISABLE_FCP_RING_INT) lpfc_poll_rearm_timer(phba); } @@ -3028,7 +3034,8 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) } if (phba->cfg_poll & DISABLE_FCP_RING_INT) - lpfc_sli_poll_fcp_ring (phba); + lpfc_sli_handle_fast_ring_event(phba, + &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ); lpfc_cmd->waitq = &waitq; /* Wait for abort to complete */ @@ -3546,7 +3553,8 @@ lpfc_slave_configure(struct scsi_device *sdev) rport->dev_loss_tmo = vport->cfg_devloss_tmo; if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { - lpfc_sli_poll_fcp_ring(phba); + lpfc_sli_handle_fast_ring_event(phba, + &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ); if (phba->cfg_poll & DISABLE_FCP_RING_INT) lpfc_poll_rearm_timer(phba); } |