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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c125
1 files changed, 60 insertions, 65 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8d14b28c80b9..1775508ed276 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1,27 +1,24 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
- * Enterprise Fibre Channel Host Bus Adapters. *
- * Refer to the README file included with this package for *
- * driver version and adapter support. *
- * Copyright (C) 2004 Emulex Corporation. *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2004-2005 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
+ * Portions Copyright (C) 2004-2005 Christoph Hellwig *
* *
* This program is free software; you can redistribute it and/or *
- * modify it under the terms of the GNU General Public License *
- * as published by the Free Software Foundation; either version 2 *
- * of the License, or (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details, a copy of which *
- * can be found in the file COPYING included with this package. *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
*******************************************************************/
-/*
- * $Id: lpfc_sli.c 1.232 2005/04/13 11:59:16EDT sf_support Exp $
- */
-
#include <linux/blkdev.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
@@ -225,8 +222,7 @@ lpfc_sli_ringtx_get(struct lpfc_hba * phba, struct lpfc_sli_ring * pring)
static IOCB_t *
lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
{
- MAILBOX_t *mbox = (MAILBOX_t *)phba->sli.MBhostaddr;
- PGP *pgp = (PGP *)&mbox->us.s2.port[pring->ringno];
+ struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
uint32_t max_cmd_idx = pring->numCiocb;
IOCB_t *iocb = NULL;
@@ -411,9 +407,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba * phba, struct lpfc_sli_ring * pring)
static void
lpfc_sli_turn_on_ring(struct lpfc_hba * phba, int ringno)
{
- PGP *pgp =
- ((PGP *) &
- (((MAILBOX_t *)phba->sli.MBhostaddr)->us.s2.port[ringno]));
+ struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[ringno];
/* If the ring is active, flag it */
if (phba->sli.ring[ringno].cmdringaddr) {
@@ -537,7 +531,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba * phba)
/* Get a Mailbox buffer to setup mailbox commands for callback */
if ((pmb = phba->sli.mbox_active)) {
pmbox = &pmb->mb;
- mbox = (MAILBOX_t *) phba->sli.MBhostaddr;
+ mbox = &phba->slim2p->mbx;
/* First check out the status word */
lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof (uint32_t));
@@ -905,10 +899,11 @@ static int
lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
struct lpfc_sli_ring * pring, uint32_t mask)
{
+ struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
IOCB_t *irsp = NULL;
+ IOCB_t *entry = NULL;
struct lpfc_iocbq *cmdiocbq = NULL;
struct lpfc_iocbq rspiocbq;
- PGP *pgp;
uint32_t status;
uint32_t portRspPut, portRspMax;
int rc = 1;
@@ -920,10 +915,6 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
spin_lock_irqsave(phba->host->host_lock, iflag);
pring->stats.iocb_event++;
- /* The driver assumes SLI-2 mode */
- pgp = (PGP *) &((MAILBOX_t *) phba->sli.MBhostaddr)
- ->us.s2.port[pring->ringno];
-
/*
* The next available response entry should never exceed the maximum
* entries. If it does, treat it as an adapter hardware error.
@@ -955,7 +946,17 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
rmb();
while (pring->rspidx != portRspPut) {
- irsp = (IOCB_t *) IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+ /*
+ * Fetch an entry off the ring and copy it into a local data
+ * structure. The copy involves a byte-swap since the
+ * network byte order and pci byte orders are different.
+ */
+ entry = (IOCB_t *) IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+ lpfc_sli_pcimem_bcopy((uint32_t *) entry,
+ (uint32_t *) &rspiocbq.iocb,
+ sizeof (IOCB_t));
+ irsp = &rspiocbq.iocb;
+
type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
pring->stats.iocb_rsp++;
rsp_cmpl++;
@@ -987,10 +988,6 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
break;
}
- rspiocbq.iocb.un.ulpWord[4] = irsp->un.ulpWord[4];
- rspiocbq.iocb.ulpStatus = irsp->ulpStatus;
- rspiocbq.iocb.ulpContext = irsp->ulpContext;
- rspiocbq.iocb.ulpIoTag = irsp->ulpIoTag;
cmdiocbq = lpfc_sli_txcmpl_ring_iotag_lookup(phba,
pring,
&rspiocbq);
@@ -1075,9 +1072,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
struct lpfc_iocbq *cmdiocbp;
struct lpfc_iocbq *saveq;
struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
- HGP *hgp;
- PGP *pgp;
- MAILBOX_t *mbox;
+ struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
uint8_t iocb_cmd_type;
lpfc_iocb_type type;
uint32_t status, free_saveq;
@@ -1089,11 +1084,6 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
spin_lock_irqsave(phba->host->host_lock, iflag);
pring->stats.iocb_event++;
- /* The driver assumes SLI-2 mode */
- mbox = (MAILBOX_t *) phba->sli.MBhostaddr;
- pgp = (PGP *) & mbox->us.s2.port[pring->ringno];
- hgp = (HGP *) & mbox->us.s2.host[pring->ringno];
-
/*
* The next available response entry should never exceed the maximum
* entries. If it does, treat it as an adapter hardware error.
@@ -1738,6 +1728,8 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
return;
}
+ phba->work_hba_events &= ~WORKER_MBOX_TMO;
+
pmbox = phba->sli.mbox_active;
mb = &pmbox->mb;
@@ -1752,16 +1744,14 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
phba->sli.sli_flag,
phba->sli.mbox_active);
- if (phba->sli.mbox_active == pmbox) {
- phba->sli.mbox_active = NULL;
- if (pmbox->mbox_cmpl) {
- mb->mbxStatus = MBX_NOT_FINISHED;
- spin_unlock_irq(phba->host->host_lock);
- (pmbox->mbox_cmpl) (phba, pmbox);
- spin_lock_irq(phba->host->host_lock);
- }
- phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+ phba->sli.mbox_active = NULL;
+ if (pmbox->mbox_cmpl) {
+ mb->mbxStatus = MBX_NOT_FINISHED;
+ spin_unlock_irq(phba->host->host_lock);
+ (pmbox->mbox_cmpl) (phba, pmbox);
+ spin_lock_irq(phba->host->host_lock);
}
+ phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
spin_unlock_irq(phba->host->host_lock);
lpfc_mbox_abort(phba);
@@ -1771,7 +1761,6 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
int
lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
{
- MAILBOX_t *mbox;
MAILBOX_t *mb;
struct lpfc_sli *psli;
uint32_t status, evtctr;
@@ -1901,15 +1890,13 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
mb->mbxOwner = OWN_CHIP;
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
-
/* First copy command data to host SLIM area */
- mbox = (MAILBOX_t *) psli->MBhostaddr;
- lpfc_sli_pcimem_bcopy(mb, mbox, MAILBOX_CMD_SIZE);
+ lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE);
} else {
if (mb->mbxCommand == MBX_CONFIG_PORT) {
/* copy command data into host mbox for cmpl */
- mbox = (MAILBOX_t *) psli->MBhostaddr;
- lpfc_sli_pcimem_bcopy(mb, mbox, MAILBOX_CMD_SIZE);
+ lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx,
+ MAILBOX_CMD_SIZE);
}
/* First copy mbox command data to HBA SLIM, skip past first
@@ -1946,8 +1933,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
psli->mbox_active = NULL;
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
/* First read mbox status word */
- mbox = (MAILBOX_t *) psli->MBhostaddr;
- word0 = *((volatile uint32_t *)mbox);
+ word0 = *((volatile uint32_t *)&phba->slim2p->mbx);
word0 = le32_to_cpu(word0);
} else {
/* First read mbox status word */
@@ -1984,8 +1970,8 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
/* First copy command data */
- mbox = (MAILBOX_t *) psli->MBhostaddr;
- word0 = *((volatile uint32_t *)mbox);
+ word0 = *((volatile uint32_t *)
+ &phba->slim2p->mbx);
word0 = le32_to_cpu(word0);
if (mb->mbxCommand == MBX_CONFIG_PORT) {
MAILBOX_t *slimmb;
@@ -2009,10 +1995,9 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
}
if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
- /* First copy command data */
- mbox = (MAILBOX_t *) psli->MBhostaddr;
/* copy results back to user */
- lpfc_sli_pcimem_bcopy(mbox, mb, MAILBOX_CMD_SIZE);
+ lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb,
+ MAILBOX_CMD_SIZE);
} else {
/* First copy command data */
lpfc_memcpy_from_slim(mb, phba->MBslimaddr,
@@ -2089,8 +2074,6 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
switch (piocb->iocb.ulpCommand) {
case CMD_QUE_RING_BUF_CN:
case CMD_QUE_RING_BUF64_CN:
- case CMD_CLOSE_XRI_CN:
- case CMD_ABORT_XRI_CN:
/*
* For IOCBs, like QUE_RING_BUF, that have no rsp ring
* completion, iocb_cmpl MUST be 0.
@@ -2573,6 +2556,16 @@ lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
return sum;
}
+void
+lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
+ struct lpfc_iocbq * rspiocb)
+{
+ spin_lock_irq(phba->host->host_lock);
+ list_add_tail(&cmdiocb->list, &phba->lpfc_iocb_list);
+ spin_unlock_irq(phba->host->host_lock);
+ return;
+}
+
int
lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
uint16_t tgt_id, uint64_t lun_id, uint32_t ctx,
@@ -2622,6 +2615,8 @@ lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
else
abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN;
+ /* Setup callback routine and issue the command. */
+ abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl;
ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0);
if (ret_val == IOCB_ERROR) {
list_add_tail(&abtsiocb->list, lpfc_iocb_list);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.