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WSL2-Linux-Kernel
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[SCSI] lpfc 8.1.1 : Fixes for short cable pulls 

Cause: Link bounces were causing discovery ELS's to be killed.
Driver was not properly flushing ELS commands upon the subsequent
link bounces. Thus, processing of ELS post link bounce erroneously
assumed discovery failure and device loss.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James.Smart@Emulex.Com 2005-11-28 11:41:33 -05:00 коммит произвёл James Bottomley
Родитель 2fb70f7993
Коммит 6281bfe000
2 изменённых файлов: 6 добавлений и 0 удалений
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4
drivers/scsi/lpfc/lpfc_els.c
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@ -720,6 +720,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
(irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
}
@ -869,6 +870,7 @@ lpfc_cmpl_els_prli(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
(irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
goto out;
}
@ -1054,6 +1056,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
(irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC);
}
@ -1205,6 +1208,7 @@ lpfc_cmpl_els_logo(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
(irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
(irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) {
goto out;
}

2
drivers/scsi/lpfc/lpfc_init.c
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@ -563,6 +563,8 @@ lpfc_handle_latt(struct lpfc_hba * phba)
rc = -EIO;
/* Cleanup any outstanding ELS commands */
lpfc_els_flush_cmd(phba);
psli->slistat.link_event++;
lpfc_read_la(phba, pmb, mp);