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| author | James Smart <james.smart@emulex.com> | 2012-10-31 14:44:42 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-11-27 08:59:44 +0400 |
| commit | a6571c6ebad15d04e8312e71b0ed17675ea4f6b3 (patch) | |
| tree | 77aaad614f3625c78bf483a0e80496162a1b4913 /drivers/scsi/lpfc/lpfc_attr.c | |
| parent | c71ab8616d62d8d857c438f058839d9a0282e64c (diff) | |
| download | op-kernel-dev-a6571c6ebad15d04e8312e71b0ed17675ea4f6b3.zip op-kernel-dev-a6571c6ebad15d04e8312e71b0ed17675ea4f6b3.tar.gz | |
[SCSI] lpfc 8.3.36: Fix bug with Target Resets and FCP2 devices
Fix bug with Target Resets and FCP2 devices
Create module parameter to disable Target Reset on FCP-Tape devices
when a "bus reset" is requested. Default is to reset all devices on
bus reset.
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index a71c7eb..a364cae 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -3859,6 +3859,16 @@ LPFC_ATTR_RW(fcp_io_sched, 0, 0, 1, "Determine scheduling algrithmn for " "issuing commands [0] - Round Robin, [1] - Current CPU"); /* +# lpfc_fcp2_no_tgt_reset: Determine bus reset behavior +# range is [0,1]. Default value is 0. +# For [0], bus reset issues target reset to ALL devices +# For [1], bus reset issues target reset to non-FCP2 devices +*/ +LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for " + "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset"); + + +/* # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing # cr_delay (msec) or cr_count outstanding commands. cr_delay can take # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay @@ -4100,6 +4110,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_scan_down, &dev_attr_lpfc_link_speed, &dev_attr_lpfc_fcp_io_sched, + &dev_attr_lpfc_fcp2_no_tgt_reset, &dev_attr_lpfc_cr_delay, &dev_attr_lpfc_cr_count, &dev_attr_lpfc_multi_ring_support, @@ -5091,6 +5102,7 @@ void lpfc_get_cfgparam(struct lpfc_hba *phba) { lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched); + lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset); lpfc_cr_delay_init(phba, lpfc_cr_delay); lpfc_cr_count_init(phba, lpfc_cr_count); lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |
