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[SCSI] lpfc 8.1.2: Add ERROR and WARM_START modes for diagnostic purposes.

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Add ERROR and WARM_START modes for diagnostic purposes.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Jamie Wellnitz
2006-02-28 19:25:27 -05:00
committed by James Bottomley
parent d9d959c41f
commit 41415862a2
9 changed files with 393 additions and 155 deletions
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57
drivers/scsi/lpfc/lpfc_init.c
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@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2005 Emulex. All rights reserved. *
* Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -459,9 +459,45 @@ lpfc_hba_down_prep(struct lpfc_hba * phba)
lpfc_els_flush_cmd(phba);
lpfc_disc_flush_list(phba);
/* Disable SLI2 since we disabled interrupts */
phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
return (0);
}
/************************************************************************/
/* */
/* lpfc_hba_down_post */
/* This routine will do uninitialization after the HBA is reset */
/* when bringing down the SLI Layer. */
/* This routine returns 0 on success. Any other return value */
/* indicates an error. */
/* */
/************************************************************************/
int
lpfc_hba_down_post(struct lpfc_hba * phba)
{
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
struct lpfc_dmabuf *mp, *next_mp;
int i;
/* Cleanup preposted buffers on the ELS ring */
pring = &psli->ring[LPFC_ELS_RING];
list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
list_del(&mp->list);
pring->postbufq_cnt--;
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
}
for (i = 0; i < psli->num_rings; i++) {
pring = &psli->ring[i];
lpfc_sli_abort_iocb_ring(phba, pring);
}
return 0;
}
/************************************************************************/
/* */
/* lpfc_handle_eratt */
@@ -476,20 +512,6 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
/*
* If a reset is sent to the HBA restore PCI configuration registers.
*/
if ( phba->hba_state == LPFC_INIT_START ) {
mdelay(1);
readl(phba->HCregaddr); /* flush */
writel(0, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
/* Restore PCI cmd register */
pci_write_config_word(phba->pcidev,
PCI_COMMAND, phba->pci_cfg_value);
}
if (phba->work_hs & HS_FFER6) {
/* Re-establishing Link */
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
@@ -516,6 +538,7 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
* attempt to restart it.
*/
lpfc_offline(phba);
lpfc_sli_brdrestart(phba);
if (lpfc_online(phba) == 0) { /* Initialize the HBA */
mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
return;
@@ -532,7 +555,8 @@ lpfc_handle_eratt(struct lpfc_hba * phba)
phba->work_status[0], phba->work_status[1]);
lpfc_offline(phba);
phba->hba_state = LPFC_HBA_ERROR;
lpfc_hba_down_post(phba);
}
}
@@ -1695,6 +1719,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
* the HBA.
*/
lpfc_sli_hba_down(phba);
lpfc_sli_brdrestart(phba);
/* Release the irq reservation */
free_irq(phba->pcidev->irq, phba);