diff options
| author | James Smart <james.smart@emulex.com> | 2012-10-31 14:44:42 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-11-26 23:59:44 -0500 |
| commit | a6571c6ebad15d04e8312e71b0ed17675ea4f6b3 (patch) | |
| tree | 77aaad614f3625c78bf483a0e80496162a1b4913 /drivers/scsi/lpfc/lpfc_attr.c | |
| parent | c71ab8616d62d8d857c438f058839d9a0282e64c (diff) | |
[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 a71c7ebe7b74..a364cae9e984 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 " | |||
| 3859 | "issuing commands [0] - Round Robin, [1] - Current CPU"); | 3859 | "issuing commands [0] - Round Robin, [1] - Current CPU"); |
| 3860 | 3860 | ||
| 3861 | /* | 3861 | /* |
| 3862 | # lpfc_fcp2_no_tgt_reset: Determine bus reset behavior | ||
| 3863 | # range is [0,1]. Default value is 0. | ||
| 3864 | # For [0], bus reset issues target reset to ALL devices | ||
| 3865 | # For [1], bus reset issues target reset to non-FCP2 devices | ||
| 3866 | */ | ||
| 3867 | LPFC_ATTR_RW(fcp2_no_tgt_reset, 0, 0, 1, "Determine bus reset behavior for " | ||
| 3868 | "FCP2 devices [0] - issue tgt reset, [1] - no tgt reset"); | ||
| 3869 | |||
| 3870 | |||
| 3871 | /* | ||
| 3862 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing | 3872 | # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing |
| 3863 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take | 3873 | # cr_delay (msec) or cr_count outstanding commands. cr_delay can take |
| 3864 | # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay | 3874 | # 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[] = { | |||
| 4100 | &dev_attr_lpfc_scan_down, | 4110 | &dev_attr_lpfc_scan_down, |
| 4101 | &dev_attr_lpfc_link_speed, | 4111 | &dev_attr_lpfc_link_speed, |
| 4102 | &dev_attr_lpfc_fcp_io_sched, | 4112 | &dev_attr_lpfc_fcp_io_sched, |
| 4113 | &dev_attr_lpfc_fcp2_no_tgt_reset, | ||
| 4103 | &dev_attr_lpfc_cr_delay, | 4114 | &dev_attr_lpfc_cr_delay, |
| 4104 | &dev_attr_lpfc_cr_count, | 4115 | &dev_attr_lpfc_cr_count, |
| 4105 | &dev_attr_lpfc_multi_ring_support, | 4116 | &dev_attr_lpfc_multi_ring_support, |
| @@ -5091,6 +5102,7 @@ void | |||
| 5091 | lpfc_get_cfgparam(struct lpfc_hba *phba) | 5102 | lpfc_get_cfgparam(struct lpfc_hba *phba) |
| 5092 | { | 5103 | { |
| 5093 | lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched); | 5104 | lpfc_fcp_io_sched_init(phba, lpfc_fcp_io_sched); |
| 5105 | lpfc_fcp2_no_tgt_reset_init(phba, lpfc_fcp2_no_tgt_reset); | ||
| 5094 | lpfc_cr_delay_init(phba, lpfc_cr_delay); | 5106 | lpfc_cr_delay_init(phba, lpfc_cr_delay); |
| 5095 | lpfc_cr_count_init(phba, lpfc_cr_count); | 5107 | lpfc_cr_count_init(phba, lpfc_cr_count); |
| 5096 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); | 5108 | lpfc_multi_ring_support_init(phba, lpfc_multi_ring_support); |