diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 125 |
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); |
