--- /dev/null
+/*******************************************************************
+ * 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. *
+ * www.emulex.com *
+ * *
+ * 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. *
+ *******************************************************************/
+
+/*
+ * $Id: lpfc_init.c 1.168 2004/11/15 11:01:33EST sf_support Exp $
+ */
+
+#include <linux/version.h>
+#include <linux/blkdev.h>
+#include <linux/ctype.h>
+#include <linux/dma-mapping.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+
+#include "lpfc_sli.h"
+#include "lpfc_disc.h"
+#include "lpfc_scsi.h"
+#include "lpfc.h"
+#include "lpfc_crtn.h"
+#include "lpfc_hw.h"
+#include "lpfc_logmsg.h"
+#include "lpfc_mem.h"
+#include "lpfc_version.h"
+#include "lpfc_compat.h"
+
+static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *);
+static int lpfc_post_rcv_buf(struct lpfc_hba *);
+static int lpfc_rdrev_wd30 = 0;
+
+/************************************************************************/
+/* */
+/* lpfc_config_port_prep */
+/* This routine will do LPFC initialization prior to the */
+/* CONFIG_PORT mailbox command. This will be initialized */
+/* as a SLI layer callback routine. */
+/* This routine returns 0 on success or -ERESTART if it wants */
+/* the SLI layer to reset the HBA and try again. Any */
+/* other return value indicates an error. */
+/* */
+/************************************************************************/
+int
+lpfc_config_port_prep(struct lpfc_hba * phba)
+{
+ lpfc_vpd_t *vp = &phba->vpd;
+ int i = 0;
+ LPFC_MBOXQ_t *pmb;
+ MAILBOX_t *mb;
+
+
+ /* Get a Mailbox buffer to setup mailbox commands for HBA
+ initialization */
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+ if (!pmb) {
+ phba->hba_state = LPFC_HBA_ERROR;
+ return -ENOMEM;
+ }
+
+ mb = &pmb->mb;
+ phba->hba_state = LPFC_INIT_MBX_CMDS;
+
+ /* special handling for LC HBAs */
+ if (lpfc_is_LC_HBA(phba->pcidev->device)) {
+ char licensed[56] =
+ "key unlock for use with gnu public licensed code only\0";
+ uint32_t *ptext = (uint32_t *) licensed;
+
+ for (i = 0; i < 56; i += sizeof (uint32_t), ptext++)
+ *ptext = cpu_to_be32(*ptext);
+
+ /* Setup and issue mailbox READ NVPARAMS command */
+ lpfc_read_nv(phba, pmb);
+ memset((char*)mb->un.varRDnvp.rsvd3, 0,
+ sizeof (mb->un.varRDnvp.rsvd3));
+ memcpy((char*)mb->un.varRDnvp.rsvd3, licensed,
+ sizeof (licensed));
+
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ /* Adapter initialization error, mbxCmd <cmd>
+ READ_NVPARM, mbxStatus <status> */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_MBOX,
+ "%d:0324 Config Port initialization "
+ "error, mbxCmd x%x READ_NVPARM, "
+ "mbxStatus x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, mb->mbxStatus);
+ return -ERESTART;
+ }
+ memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename,
+ sizeof (mb->un.varRDnvp.nodename));
+ }
+
+ /* Setup and issue mailbox READ REV command */
+ lpfc_read_rev(phba, pmb);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ /* Adapter failed to init, mbxCmd <mbxCmd> READ_REV, mbxStatus
+ <status> */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "%d:0439 Adapter failed to init, mbxCmd x%x "
+ "READ_REV, mbxStatus x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, mb->mbxStatus);
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return -ERESTART;
+ }
+
+ /* The HBA's current state is provided by the ProgType and rr fields.
+ * Read and check the value of these fields before continuing to config
+ * this port.
+ */
+ if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) {
+ /* Old firmware */
+ vp->rev.rBit = 0;
+ /* Adapter failed to init, mbxCmd <cmd> READ_REV detected
+ outdated firmware */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "%d:0440 Adapter failed to init, mbxCmd x%x "
+ "READ_REV detected outdated firmware"
+ "Data: x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, 0);
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -ERESTART;
+ } else {
+ vp->rev.rBit = 1;
+ vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev;
+ memcpy(vp->rev.sli1FwName,
+ (char*)mb->un.varRdRev.sli1FwName, 16);
+ vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev;
+ memcpy(vp->rev.sli2FwName,
+ (char *)mb->un.varRdRev.sli2FwName, 16);
+ }
+
+ /* Save information as VPD data */
+ vp->rev.biuRev = mb->un.varRdRev.biuRev;
+ vp->rev.smRev = mb->un.varRdRev.smRev;
+ vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev;
+ vp->rev.endecRev = mb->un.varRdRev.endecRev;
+ vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh;
+ vp->rev.fcphLow = mb->un.varRdRev.fcphLow;
+ vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh;
+ vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow;
+ vp->rev.postKernRev = mb->un.varRdRev.postKernRev;
+ vp->rev.opFwRev = mb->un.varRdRev.opFwRev;
+ lpfc_rdrev_wd30 = mb->un.varWords[30];
+
+ if (lpfc_is_LC_HBA(phba->pcidev->device))
+ memcpy(phba->RandomData, (char *)&mb->un.varWords[24],
+ sizeof (phba->RandomData));
+
+ /* Get adapter VPD information */
+ lpfc_dump_mem(phba, pmb);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ /* Let it go through even if failed. */
+ /* Adapter failed to init, mbxCmd <cmd> DUMP VPD,
+ mbxStatus <status> */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_INIT,
+ "%d:0441 VPD not present on adapter, mbxCmd "
+ "x%x DUMP VPD, mbxStatus x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, mb->mbxStatus);
+ } else if (mb->un.varDmp.ra == 1) {
+ lpfc_parse_vpd(phba, (uint8_t *)&mb->un.varDmp.resp_offset);
+ }
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return 0;
+}
+
+/************************************************************************/
+/* */
+/* lpfc_config_port_post */
+/* This routine will do LPFC initialization after the */
+/* CONFIG_PORT mailbox command. This will be initialized */
+/* as a SLI layer callback routine. */
+/* This routine returns 0 on success. Any other return value */
+/* indicates an error. */
+/* */
+/************************************************************************/
+int
+lpfc_config_port_post(struct lpfc_hba * phba)
+{
+ LPFC_MBOXQ_t *pmb;
+ MAILBOX_t *mb;
+ struct lpfc_dmabuf *mp;
+ struct lpfc_sli *psli = &phba->sli;
+ uint32_t status, timeout;
+ int i, j, flogi_sent;
+ unsigned long isr_cnt, clk_cnt;
+
+
+ /* Get a Mailbox buffer to setup mailbox commands for HBA
+ initialization */
+ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+ if (!pmb) {
+ phba->hba_state = LPFC_HBA_ERROR;
+ return -ENOMEM;
+ }
+ mb = &pmb->mb;
+
+ /* Setup link timers */
+ lpfc_config_link(phba, pmb);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "%d:0447 Adapter failed init, mbxCmd x%x "
+ "CONFIG_LINK mbxStatus x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, mb->mbxStatus);
+ phba->hba_state = LPFC_HBA_ERROR;
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+
+ /* Get login parameters for NID. */
+ lpfc_read_sparam(phba, pmb);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "%d:0448 Adapter failed init, mbxCmd x%x "
+ "READ_SPARM mbxStatus x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, mb->mbxStatus);
+ phba->hba_state = LPFC_HBA_ERROR;
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+
+ mp = (struct lpfc_dmabuf *) pmb->context1;
+
+ /* The mailbox was populated by the HBA. Flush it to main store for the
+ * driver. Note that all context buffers are from the driver's
+ * dma pool and have length LPFC_BPL_SIZE.
+ */
+ pci_dma_sync_single_for_cpu(phba->pcidev, mp->phys, LPFC_BPL_SIZE,
+ PCI_DMA_FROMDEVICE);
+
+ memcpy(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm));
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ pmb->context1 = NULL;
+
+ memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName,
+ sizeof (struct lpfc_name));
+ memcpy(&phba->fc_portname, &phba->fc_sparam.portName,
+ sizeof (struct lpfc_name));
+ /* If no serial number in VPD data, use low 6 bytes of WWNN */
+ /* This should be consolidated into parse_vpd ? - mr */
+ if (phba->SerialNumber[0] == 0) {
+ uint8_t *outptr;
+
+ outptr = (uint8_t *) & phba->fc_nodename.IEEE[0];
+ for (i = 0; i < 12; i++) {
+ status = *outptr++;
+ j = ((status & 0xf0) >> 4);
+ if (j <= 9)
+ phba->SerialNumber[i] =
+ (char)((uint8_t) 0x30 + (uint8_t) j);
+ else
+ phba->SerialNumber[i] =
+ (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
+ i++;
+ j = (status & 0xf);
+ if (j <= 9)
+ phba->SerialNumber[i] =
+ (char)((uint8_t) 0x30 + (uint8_t) j);
+ else
+ phba->SerialNumber[i] =
+ (char)((uint8_t) 0x61 + (uint8_t) (j - 10));
+ }
+ }
+
+ /* This should turn on DELAYED ABTS for ELS timeouts */
+ lpfc_set_slim(phba, pmb, 0x052198, 0x1);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ phba->hba_state = LPFC_HBA_ERROR;
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+
+
+ lpfc_read_config(phba, pmb);
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "%d:0453 Adapter failed to init, mbxCmd x%x "
+ "READ_CONFIG, mbxStatus x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, mb->mbxStatus);
+ phba->hba_state = LPFC_HBA_ERROR;
+ mempool_free( pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+
+ /* Reset the DFT_HBA_Q_DEPTH to the max xri */
+ if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1))
+ phba->cfg_hba_queue_depth =
+ mb->un.varRdConfig.max_xri + 1;
+
+ phba->lmt = mb->un.varRdConfig.lmt;
+ /* HBA is not 4GB capable, or HBA is not 2GB capable,
+ don't let link speed ask for it */
+ if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) &&
+ (phba->cfg_link_speed > LINK_SPEED_2G)) ||
+ (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) &&
+ (phba->cfg_link_speed > LINK_SPEED_1G))) {
+ /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */
+ lpfc_printf_log(phba,
+ KERN_WARNING,
+ LOG_LINK_EVENT,
+ "%d:1302 Invalid speed for this board: "
+ "Reset link speed to auto: x%x\n",
+ phba->brd_no,
+ phba->cfg_link_speed);
+ phba->cfg_link_speed = LINK_SPEED_AUTO;
+ }
+
+ if (!phba->intr_inited) {
+ /* Add our interrupt routine to kernel's interrupt chain &
+ enable it */
+
+ if (request_irq(phba->pcidev->irq,
+ lpfc_intr_handler,
+ SA_SHIRQ,
+ LPFC_DRIVER_NAME,
+ phba) != 0) {
+ /* Enable interrupt handler failed */
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "%d:0451 Enable interrupt handler "
+ "failed\n",
+ phba->brd_no);
+ phba->hba_state = LPFC_HBA_ERROR;
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ phba->intr_inited =
+ (HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA);
+ }
+
+ phba->hba_state = LPFC_LINK_DOWN;
+
+ /* Only process IOCBs on ring 0 till hba_state is READY */
+ if (psli->ring[psli->ip_ring].cmdringaddr)
+ psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT;
+ if (psli->ring[psli->fcp_ring].cmdringaddr)
+ psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT;
+ if (psli->ring[psli->next_ring].cmdringaddr)
+ psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT;
+
+ /* Post receive buffers for desired rings */
+ lpfc_post_rcv_buf(phba);
+
+ /* Enable appropriate host interrupts */
+ status = readl(phba->HCregaddr);
+ status |= phba->intr_inited;
+ if (psli->sliinit.num_rings > 0)
+ status |= HC_R0INT_ENA;
+ if (psli->sliinit.num_rings > 1)
+ status |= HC_R1INT_ENA;
+ if (psli->sliinit.num_rings > 2)
+ status |= HC_R2INT_ENA;
+ if (psli->sliinit.num_rings > 3)
+ status |= HC_R3INT_ENA;
+
+ writel(status, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+
+ /* Setup and issue mailbox INITIALIZE LINK command */
+ lpfc_init_link(phba, pmb, phba->cfg_topology,
+ phba->cfg_link_speed);
+
+ isr_cnt = psli->slistat.sliIntr;
+ clk_cnt = jiffies;
+
+ if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) {
+ lpfc_printf_log(phba,
+ KERN_ERR,
+ LOG_INIT,
+ "%d:0454 Adapter failed to init, mbxCmd x%x "
+ "INIT_LINK, mbxStatus x%x\n",
+ phba->brd_no,
+ mb->mbxCommand, mb->mbxStatus);
+
+ /* Clear all interrupt enable conditions */
+ writel(0, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ /* Clear all pending interrupts */
+ writel(0xffffffff, phba->HAregaddr);
+ readl(phba->HAregaddr); /* flush */
+
+ free_irq(phba->pcidev->irq, phba);
+ phba->hba_state = LPFC_HBA_ERROR;
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ /* MBOX buffer will be freed in mbox compl */
+
+ /*
+ * Setup the ring 0 (els) timeout handler
+ */
+ timeout = phba->fc_ratov << 1;
+
+ phba->els_tmofunc.expires = jiffies + HZ * timeout;
+ add_timer(&phba->els_tmofunc);
+
+ phba->fc_prevDID = Mask_DID;
+ flogi_sent = 0;
+ i = 0;
+ while ((phba->hba_state != LPFC_HBA_READY) ||
+ (phba->num_disc_nodes) || (phba->fc_prli_sent) ||
+ ((phba->fc_map_cnt == 0) && (i<2)) ||
+ (psli->sliinit.sli_flag & LPFC_SLI_MBOX_ACTIVE)) {
+ /* Check every second for 30 retries. */
+ i++;
+ if (i > 30) {
+ break;
+ }
+ if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) {
+ /* The link is down. Set linkdown timeout */
+ break;
+ }
+
+ /* Delay for 1 second to give discovery time to complete. */
+ for (j = 0; j < 20; j++) {
+ /* On some systems, the driver's attach/detect routines
+ * are uninterruptible. Since the driver cannot predict
+ * when this is true, just manually call the ISR every
+ * 50 ms to service any interrupts.
+ */
+ msleep(50);
+ if (isr_cnt == psli->slistat.sliIntr) {
+ lpfc_sli_intr(phba);
+ isr_cnt = psli->slistat.sliIntr;
+ }
+ }
+ isr_cnt = psli->slistat.sliIntr;
+
+ if (clk_cnt == jiffies) {
+ /* REMOVE: IF THIS HAPPENS, SYSTEM CLOCK IS NOT RUNNING.
+ * WE HAVE TO MANUALLY CALL OUR TIMEOUT ROUTINES.
+ */
+ clk_cnt = jiffies;
+ }
+ }
+
+ /* Since num_disc_nodes keys off of PLOGI, delay a bit to let
+ * any potential PRLIs to flush thru the SLI sub-system.
+ */
+ msleep(50);
+ if (isr_cnt == psli->slistat.sliIntr) {
+ lpfc_sli_intr(phba);
+ }
+
+ return (0);
+}
+
+/************************************************************************/
+/* */
+/* lpfc_hba_down_prep */
+/* This routine will do LPFC uninitialization before the */
+/* HBA is reset when bringing down the SLI Layer. This will be */
+/* initialized as a SLI layer callback routine. */
+/* This routine returns 0 on success. Any other return value */
+/* indicates an error. */
+/* */
+/************************************************************************/
+int
+lpfc_hba_down_prep(struct lpfc_hba * phba)
+{
+ /* Disable interrupts */
+ writel(0, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+
+ /* Cleanup potential discovery resources */
+ lpfc_els_flush_rscn(phba);
+ lpfc_els_flush_cmd(phba);
+ lpfc_disc_flush_list(phba);
+
+ return (0);
+}
+
+/************************************************************************/
+/* */
+/* lpfc_handle_eratt */
+/* This routine will handle processing a Host Attention */
+/* Error Status event. This will be initialized */
+/* as a SLI layer callback routine. */
+/* */
+/************************************************************************/
+void
+lpfc_handle_eratt(struct lpfc_hba * phba, uint32_t status)
+{
+ struct lpfc_sli *psli;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_iocbq *iocb, *next_iocb;
+ IOCB_t *icmd = NULL, *cmd = NULL;
+ struct lpfc_scsi_buf *lpfc_cmd;
+ volatile uint32_t status1, status2;
+ void *from_slim;
+ unsigned long iflag;
+
+ psli = &phba->sli;
+ from_slim = ((uint8_t *)phba->MBslimaddr + 0xa8);
+ status1 = readl( from_slim);
+ from_slim = ((uint8_t *)phba->MBslimaddr + 0xac);
+ status2 = readl( from_slim);
+
+ if (status & HS_FFER6) {
+ /* Re-establishing Link */
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
+ "%d:1301 Re-establishing Link "
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, status, status1, status2);
+ phba->fc_flag |= FC_ESTABLISH_LINK;
+
+ /*
+ * Firmware stops when it triggled erratt with HS_FFER6.
+ * That could cause the I/Os dropped by the firmware.
+ * Error iocb (I/O) on txcmplq and let the SCSI layer
+ * retry it after re-establishing link.
+ */
+ pring = &psli->ring[psli->fcp_ring];
+
+ list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq,
+ list) {
+ cmd = &iocb->iocb;
+
+ /* Must be a FCP command */
+ if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) &&
+ (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) &&
+ (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) {
+ continue;
+ }
+
+ /* context1 MUST be a struct lpfc_scsi_buf */
+ lpfc_cmd = (struct lpfc_scsi_buf *)(iocb->context1);
+ if (lpfc_cmd == 0) {
+ continue;
+ }
+
+ list_del(&iocb->list);
+ pring->txcmplq_cnt--;
+
+ if (iocb->iocb_cmpl) {
+ icmd = &iocb->iocb;
+ icmd->ulpStatus = IOSTAT_LOCAL_REJECT;
+ icmd->un.ulpWord[4] = IOERR_SLI_ABORTED;
+ (iocb->iocb_cmpl)(phba, iocb, iocb);
+ } else {
+ mempool_free( iocb, phba->iocb_mem_pool);
+ }
+ }
+
+ /*
+ * There was a firmware error. Take the hba offline and then
+ * attempt to restart it.
+ */
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ lpfc_offline(phba);
+ if (lpfc_online(phba) == 0) { /* Initialize the HBA */
+ mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60);
+ return;
+ }
+ } else {
+ /* The if clause above forces this code path when the status
+ * failure is a value other than FFER6. Do not call the offline
+ * twice. This is the adapter hardware error path.
+ */
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "%d:0457 Adapter Hardware Error "
+ "Data: x%x x%x x%x\n",
+ phba->brd_no, status, status1, status2);
+
+ lpfc_offline(phba);
+
+ /*
+ * Restart all traffic to this host. Since the fc_transport
+ * block functions (future) were not called in lpfc_offline,
+ * don't call them here.
+ */
+ scsi_unblock_requests(phba->host);
+ }
+ return;
+}
+
+/************************************************************************/
+/* */
+/* lpfc_handle_latt */
+/* This routine will handle processing a Host Attention */
+/* Link Status event. This will be initialized */
+/* as a SLI layer callback routine. */
+/* */
+/************************************************************************/
+void
+lpfc_handle_latt(struct lpfc_hba * phba)
+{
+ struct lpfc_sli *psli;
+ LPFC_MBOXQ_t *pmb;
+ volatile uint32_t control;
+ unsigned long iflag;
+
+
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+
+ /* called from host_interrupt, to process LATT */
+ psli = &phba->sli;
+ psli->slistat.linkEvent++;
+
+ /* Get a buffer which will be used for mailbox commands */
+ if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+ GFP_ATOMIC))) {
+ if (lpfc_read_la(phba, pmb) == 0) {
+ pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la;
+ if (lpfc_sli_issue_mbox
+ (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
+ != MBX_NOT_FINISHED) {
+ /* Turn off Link Attention interrupts until
+ CLEAR_LA done */
+ psli->sliinit.sli_flag &= ~LPFC_PROCESS_LA;
+ control = readl(phba->HCregaddr);
+ control &= ~HC_LAINT_ENA;
+ writel(control, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+
+ /* Clear Link Attention in HA REG */
+ writel(HA_LATT, phba->HAregaddr);
+ readl(phba->HAregaddr); /* flush */
+ spin_unlock_irqrestore(phba->host->host_lock,
+ iflag);
+ return;
+ } else {
+ mempool_free(pmb, phba->mbox_mem_pool);
+ }
+ } else {
+ mempool_free(pmb, phba->mbox_mem_pool);
+ }
+ }
+
+ /* Clear Link Attention in HA REG */
+ writel(HA_LATT, phba->HAregaddr);
+ readl(phba->HAregaddr); /* flush */
+ lpfc_linkdown(phba);
+ phba->hba_state = LPFC_HBA_ERROR;
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+ return;
+}
+
+/************************************************************************/
+/* */
+/* lpfc_parse_vpd */
+/* This routine will parse the VPD data */
+/* */
+/************************************************************************/
+static int
+lpfc_parse_vpd(struct lpfc_hba * phba, uint8_t * vpd)
+{
+ uint8_t lenlo, lenhi;
+ uint8_t *Length;
+ int i, j;
+ int finished = 0;
+ int index = 0;
+
+ /* Vital Product */
+ lpfc_printf_log(phba,
+ KERN_INFO,
+ LOG_INIT,
+ "%d:0455 Vital Product Data: x%x x%x x%x x%x\n",
+ phba->brd_no,
+ (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2],
+ (uint32_t) vpd[3]);
+ do {
+ switch (vpd[index]) {
+ case 0x82:
+ index += 1;
+ lenlo = vpd[index];
+ index += 1;
+ lenhi = vpd[index];
+ index += 1;
+ i = ((((unsigned short)lenhi) << 8) + lenlo);
+ index += i;
+ break;
+ case 0x90:
+ index += 1;
+ lenlo = vpd[index];
+ index += 1;
+ lenhi = vpd[index];
+ index += 1;
+ i = ((((unsigned short)lenhi) << 8) + lenlo);
+ do {
+ /* Look for Serial Number */
+ if ((vpd[index] == 'S')
+ && (vpd[index + 1] == 'N')) {
+ index += 2;
+ Length = &vpd[index];
+ index += 1;
+ i = *Length;
+ j = 0;
+ while (i--) {
+ phba->SerialNumber[j++] =
+ vpd[index++];
+ if (j == 31)
+ break;
+ }
+ phba->SerialNumber[j] = 0;
+ return (1);
+ } else {
+ index += 2;
+ Length = &vpd[index];
+ index += 1;
+ j = (int)(*Length);
+ index += j;
+ i -= (3 + j);
+ }
+ } while (i > 0);
+ finished = 0;
+ break;
+ case 0x78:
+ finished = 1;
+ break;
+ default:
+ return (0);
+ }
+ } while (!finished);
+ return (1);
+}
+
+/**************************************************/
+/* lpfc_post_buffer */
+/* */
+/* This routine will post count buffers to the */
+/* ring with the QUE_RING_BUF_CN command. This */
+/* allows 3 buffers / command to be posted. */
+/* Returns the number of buffers NOT posted. */
+/**************************************************/
+int
+lpfc_post_buffer(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, int cnt,
+ int type)
+{
+ IOCB_t *icmd;
+ struct lpfc_iocbq *iocb;
+ struct lpfc_dmabuf *mp1, *mp2;
+
+ cnt += pring->missbufcnt;
+
+ /* While there are buffers to post */
+ while (cnt > 0) {
+ /* Allocate buffer for command iocb */
+ if ((iocb = mempool_alloc(phba->iocb_mem_pool, GFP_ATOMIC))
+ == 0) {
+ pring->missbufcnt = cnt;
+ return (cnt);
+ }
+ memset(iocb, 0, sizeof (struct lpfc_iocbq));
+ icmd = &iocb->iocb;
+
+ /* 2 buffers can be posted per command */
+ /* Allocate buffer to post */
+ mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_ATOMIC);
+ if (mp1)
+ mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
+ &mp1->phys);
+ if (mp1 == 0 || mp1->virt == 0) {
+ if (mp1)
+ kfree(mp1);
+
+ mempool_free( iocb, phba->iocb_mem_pool);
+ pring->missbufcnt = cnt;
+ return (cnt);
+ }
+
+ INIT_LIST_HEAD(&mp1->list);
+ /* Allocate buffer to post */
+ if (cnt > 1) {
+ mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+ if (mp2)
+ mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
+ &mp2->phys);
+ if (mp2 == 0 || mp2->virt == 0) {
+ if (mp2)
+ kfree(mp2);
+ lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
+ kfree(mp1);
+ mempool_free( iocb, phba->iocb_mem_pool);
+ pring->missbufcnt = cnt;
+ return (cnt);
+ }
+
+ INIT_LIST_HEAD(&mp2->list);
+ } else {
+ mp2 = NULL;
+ }
+
+ icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys);
+ icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys);
+ icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE;
+ icmd->ulpBdeCount = 1;
+ cnt--;
+ if (mp2) {
+ icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys);
+ icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys);
+ icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE;
+ cnt--;
+ icmd->ulpBdeCount = 2;
+ }
+
+ icmd->ulpCommand = CMD_QUE_RING_BUF64_CN;
+ icmd->ulpIoTag = lpfc_sli_next_iotag(phba, pring);
+ icmd->ulpLe = 1;
+
+ if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) {
+ lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
+ kfree(mp1);
+ if (mp2) {
+ lpfc_mbuf_free(phba, mp2->virt, mp2->phys);
+ kfree(mp2);
+ }
+ mempool_free( iocb, phba->iocb_mem_pool);
+ pring->missbufcnt = cnt;
+ return (cnt);
+ }
+ lpfc_sli_ringpostbuf_put(phba, pring, mp1);
+ if (mp2) {
+ lpfc_sli_ringpostbuf_put(phba, pring, mp2);
+ }
+ }
+ pring->missbufcnt = 0;
+ return (0);
+}
+
+/************************************************************************/
+/* */
+/* lpfc_post_rcv_buf */
+/* This routine post initial rcv buffers to the configured rings */
+/* */
+/************************************************************************/
+static int
+lpfc_post_rcv_buf(struct lpfc_hba * phba)
+{
+ struct lpfc_sli *psli = &phba->sli;
+
+ /* Ring 0, ELS / CT buffers */
+ lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1);
+ /* Ring 2 - FCP no buffers needed */
+
+ return 0;
+}
+
+#define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
+
+/************************************************************************/
+/* */
+/* lpfc_sha_init */
+/* */
+/************************************************************************/
+static void
+lpfc_sha_init(uint32_t * HashResultPointer)
+{
+ HashResultPointer[0] = 0x67452301;
+ HashResultPointer[1] = 0xEFCDAB89;
+ HashResultPointer[2] = 0x98BADCFE;
+ HashResultPointer[3] = 0x10325476;
+ HashResultPointer[4] = 0xC3D2E1F0;
+}
+
+/************************************************************************/
+/* */
+/* lpfc_sha_iterate */
+/* */
+/************************************************************************/
+static void
+lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
+{
+ int t;
+ uint32_t TEMP;
+ uint32_t A, B, C, D, E;
+ t = 16;
+ do {
+ HashWorkingPointer[t] =
+ S(1,
+ HashWorkingPointer[t - 3] ^ HashWorkingPointer[t -
+ 8] ^
+ HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]);
+ } while (++t <= 79);
+ t = 0;
+ A = HashResultPointer[0];
+ B = HashResultPointer[1];
+ C = HashResultPointer[2];
+ D = HashResultPointer[3];
+ E = HashResultPointer[4];
+
+ do {
+ if (t < 20) {
+ TEMP = ((B & C) | ((~B) & D)) + 0x5A827999;
+ } else if (t < 40) {
+ TEMP = (B ^ C ^ D) + 0x6ED9EBA1;
+ } else if (t < 60) {
+ TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC;
+ } else {
+ TEMP = (B ^ C ^ D) + 0xCA62C1D6;
+ }
+ TEMP += S(5, A) + E + HashWorkingPointer[t];
+ E = D;
+ D = C;
+ C = S(30, B);
+ B = A;
+ A = TEMP;
+ } while (++t <= 79);
+
+ HashResultPointer[0] += A;
+ HashResultPointer[1] += B;
+ HashResultPointer[2] += C;
+ HashResultPointer[3] += D;
+ HashResultPointer[4] += E;
+
+}
+
+/************************************************************************/
+/* */
+/* lpfc_challenge_key */
+/* */
+/************************************************************************/
+static void
+lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
+{
+ *HashWorking = (*RandomChallenge ^ *HashWorking);
+}
+
+/************************************************************************/
+/* */
+/* lpfc_hba_init */
+/* */
+/************************************************************************/
+void
+lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
+{
+ int t;
+ uint32_t *HashWorking;
+ uint32_t *pwwnn = phba->wwnn;
+
+ HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_ATOMIC);
+ if (!HashWorking)
+ return;
+
+ memset(HashWorking, 0, (80 * sizeof(uint32_t)));
+ HashWorking[0] = HashWorking[78] = *pwwnn++;
+ HashWorking[1] = HashWorking[79] = *pwwnn;
+
+ for (t = 0; t < 7; t++)
+ lpfc_challenge_key(phba->RandomData + t, HashWorking + t);
+
+ lpfc_sha_init(hbainit);
+ lpfc_sha_iterate(hbainit, HashWorking);
+ kfree(HashWorking);
+}
+
+static void
+lpfc_consistent_bind_cleanup(struct lpfc_hba * phba)
+{
+ struct lpfc_bindlist *bdlp, *next_bdlp;
+
+ list_for_each_entry_safe(bdlp, next_bdlp,
+ &phba->fc_nlpbind_list, nlp_listp) {
+ list_del(&bdlp->nlp_listp);
+ mempool_free( bdlp, phba->bind_mem_pool);
+ }
+ phba->fc_bind_cnt = 0;
+}
+
+void
+lpfc_cleanup(struct lpfc_hba * phba, uint32_t save_bind)
+{
+ struct lpfc_nodelist *ndlp, *next_ndlp;
+
+ /* clean up phba - lpfc specific */
+ lpfc_can_disctmo(phba);
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
+ nlp_listp) {
+ lpfc_nlp_remove(phba, ndlp);
+ }
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
+ nlp_listp) {
+ lpfc_nlp_remove(phba, ndlp);
+ }
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
+ nlp_listp) {
+ lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+ }
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
+ nlp_listp) {
+ lpfc_nlp_remove(phba, ndlp);
+ }
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
+ nlp_listp) {
+ lpfc_nlp_remove(phba, ndlp);
+ }
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
+ nlp_listp) {
+ lpfc_nlp_remove(phba, ndlp);
+ }
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
+ nlp_listp) {
+ lpfc_nlp_remove(phba, ndlp);
+ }
+
+ list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
+ nlp_listp) {
+ lpfc_nlp_remove(phba, ndlp);
+ }
+
+ if (save_bind == 0) {
+ lpfc_consistent_bind_cleanup(phba);
+ }
+
+ INIT_LIST_HEAD(&phba->fc_nlpmap_list);
+ INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
+ INIT_LIST_HEAD(&phba->fc_unused_list);
+ INIT_LIST_HEAD(&phba->fc_plogi_list);
+ INIT_LIST_HEAD(&phba->fc_adisc_list);
+ INIT_LIST_HEAD(&phba->fc_reglogin_list);
+ INIT_LIST_HEAD(&phba->fc_prli_list);
+ INIT_LIST_HEAD(&phba->fc_npr_list);
+
+ phba->fc_map_cnt = 0;
+ phba->fc_unmap_cnt = 0;
+ phba->fc_plogi_cnt = 0;
+ phba->fc_adisc_cnt = 0;
+ phba->fc_reglogin_cnt = 0;
+ phba->fc_prli_cnt = 0;
+ phba->fc_npr_cnt = 0;
+ phba->fc_unused_cnt= 0;
+ return;
+}
+
+void
+lpfc_establish_link_tmo(unsigned long ptr)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
+ unsigned long iflag;
+
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+
+ /* Re-establishing Link, timer expired */
+ lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+ "%d:1300 Re-establishing Link, timer expired "
+ "Data: x%x x%x\n",
+ phba->brd_no, phba->fc_flag, phba->hba_state);
+ phba->fc_flag &= ~FC_ESTABLISH_LINK;
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+}
+
+int
+lpfc_online(struct lpfc_hba * phba)
+{
+ if (!phba)
+ return 0;
+
+ if (!(phba->fc_flag & FC_OFFLINE_MODE))
+ return 0;
+
+ lpfc_printf_log(phba,
+ KERN_WARNING,
+ LOG_INIT,
+ "%d:0458 Bring Adapter online\n",
+ phba->brd_no);
+
+ if (!lpfc_sli_queue_setup(phba))
+ return 1;
+
+ if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */
+ return 1;
+
+ phba->fc_flag &= ~FC_OFFLINE_MODE;
+
+ /*
+ * Restart all traffic to this host. Since the fc_transport block
+ * functions (future) were not called in lpfc_offline, don't call them
+ * here.
+ */
+ scsi_unblock_requests(phba->host);
+ return 0;
+}
+
+int
+lpfc_offline(struct lpfc_hba * phba)
+{
+ struct lpfc_sli_ring *pring;
+ struct lpfc_sli *psli;
+ unsigned long iflag;
+ int i = 0;
+
+ if (!phba)
+ return 0;
+
+ if (phba->fc_flag & FC_OFFLINE_MODE)
+ return 0;
+
+ /*
+ * Don't call the fc_transport block api (future). The device is
+ * going offline and causing a timer to fire in the midlayer is
+ * unproductive. Just block all new requests until the driver
+ * comes back online.
+ */
+ scsi_block_requests(phba->host);
+ psli = &phba->sli;
+ pring = &psli->ring[psli->fcp_ring];
+
+ lpfc_linkdown(phba);
+
+ /* The linkdown event takes 30 seconds to timeout. */
+ while (pring->txcmplq_cnt) {
+ mdelay(10);
+ if (i++ > 3000)
+ break;
+ }
+
+ /* stop all timers associated with this hba */
+ spin_lock_irqsave(phba->host->host_lock, iflag);
+ lpfc_stop_timer(phba);
+ spin_unlock_irqrestore(phba->host->host_lock, iflag);
+
+ lpfc_printf_log(phba,
+ KERN_WARNING,
+ LOG_INIT,
+ "%d:0460 Bring Adapter offline\n",
+ phba->brd_no);
+
+ /* Bring down the SLI Layer and cleanup. The HBA is offline
+ now. */
+ lpfc_sli_hba_down(phba);
+ lpfc_cleanup(phba, 1);
+ phba->fc_flag |= FC_OFFLINE_MODE;
+ return 0;
+}
+
+/******************************************************************************
+* Function name : lpfc_scsi_free
+*
+* Description : Called from fc_detach to free scsi tgt / lun resources
+*
+******************************************************************************/
+int
+lpfc_scsi_free(struct lpfc_hba * phba)
+{
+ struct lpfc_target *targetp;
+ int i;
+
+ for (i = 0; i < MAX_FCP_TARGET; i++) {
+ targetp = phba->device_queue_hash[i];
+ if (targetp) {
+ kfree(targetp);
+ phba->device_queue_hash[i] = NULL;
+ }
+ }
+ return 0;
+}
+
+static void
+lpfc_wakeup_event(struct lpfc_hba * phba, fcEVTHDR_t * ep)
+{
+ ep->e_mode &= ~E_SLEEPING_MODE;
+ switch (ep->e_mask) {
+ case FC_REG_LINK_EVENT:
+ wake_up_interruptible(&phba->linkevtwq);
+ break;
+ case FC_REG_RSCN_EVENT:
+ wake_up_interruptible(&phba->rscnevtwq);
+ break;
+ case FC_REG_CT_EVENT:
+ wake_up_interruptible(&phba->ctevtwq);
+ break;
+ }
+ return;
+}
+
+int
+lpfc_put_event(struct lpfc_hba * phba, uint32_t evcode, uint32_t evdata0,
+ void * evdata1, uint32_t evdata2, uint32_t evdata3)
+{
+ fcEVT_t *ep;
+ fcEVTHDR_t *ehp = phba->fc_evt_head;
+ int found = 0;
+ void *fstype = NULL;
+ struct lpfc_dmabuf *mp;
+ struct lpfc_sli_ct_request *ctp;
+ struct lpfc_hba_event *rec;
+ uint32_t evtype;
+
+ switch (evcode) {
+ case HBA_EVENT_RSCN:
+ evtype = FC_REG_RSCN_EVENT;
+ break;
+ case HBA_EVENT_LINK_DOWN:
+ case HBA_EVENT_LINK_UP:
+ evtype = FC_REG_LINK_EVENT;
+ break;
+ default:
+ evtype = FC_REG_CT_EVENT;
+ }
+
+ if (evtype == FC_REG_RSCN_EVENT || evtype == FC_REG_LINK_EVENT) {
+ rec = &phba->hbaevt[phba->hba_event_put];
+ rec->fc_eventcode = evcode;
+ rec->fc_evdata1 = evdata0;
+ rec->fc_evdata2 = (uint32_t)(unsigned long)evdata1;
+ rec->fc_evdata3 = evdata2;
+ rec->fc_evdata4 = evdata3;
+
+ phba->hba_event_put++;
+ if (phba->hba_event_put >= MAX_HBAEVT)
+ phba->hba_event_put = 0;
+
+ if (phba->hba_event_put == phba->hba_event_get) {
+ phba->hba_event_missed++;
+ phba->hba_event_get++;
+ if (phba->hba_event_get >= MAX_HBAEVT)
+ phba->hba_event_get = 0;
+ }
+ }
+
+ if (evtype == FC_REG_CT_EVENT) {
+ mp = (struct lpfc_dmabuf *) evdata1;
+ ctp = (struct lpfc_sli_ct_request *) mp->virt;
+ fstype = (void *)(ulong) (ctp->FsType);
+ }
+
+ while (ehp && ((ehp->e_mask != evtype) || (ehp->e_type != fstype)))
+ ehp = (fcEVTHDR_t *) ehp->e_next_header;
+
+ if (!ehp)
+ return (0);
+
+ ep = ehp->e_head;
+
+ while (ep && !(found)) {
+ if (ep->evt_sleep) {
+ switch (evtype) {
+ case FC_REG_CT_EVENT:
+ if ((ep->evt_type ==
+ (void *)(ulong) FC_FSTYPE_ALL)
+ || (ep->evt_type == fstype)) {
+ found++;
+ ep->evt_data0 = evdata0; /* tag */
+ ep->evt_data1 = evdata1; /* buffer
+ ptr */
+ ep->evt_data2 = evdata2; /* count */
+ ep->evt_sleep = 0;
+ if (ehp->e_mode & E_SLEEPING_MODE) {
+ ehp->e_flag |=
+ E_GET_EVENT_ACTIVE;
+ lpfc_wakeup_event(phba, ehp);
+ }
+ /* For FC_REG_CT_EVENT just give it to
+ first one found */
+ }
+ break;
+ default:
+ found++;
+ ep->evt_data0 = evdata0;
+ ep->evt_data1 = evdata1;
+ ep->evt_data2 = evdata2;
+ ep->evt_sleep = 0;
+ if ((ehp->e_mode & E_SLEEPING_MODE)
+ && !(ehp->e_flag & E_GET_EVENT_ACTIVE)) {
+ ehp->e_flag |= E_GET_EVENT_ACTIVE;
+ lpfc_wakeup_event(phba, ehp);
+ }
+ /* For all other events, give it to every one
+ waiting */
+ break;
+ }
+ }
+ ep = ep->evt_next;
+ }
+ if (evtype == FC_REG_LINK_EVENT)
+ phba->nport_event_cnt++;
+
+ return (found);
+}
+
+int
+lpfc_stop_timer(struct lpfc_hba * phba)
+{
+ struct lpfc_sli *psli = &phba->sli;
+
+ /* Instead of a timer, this has been converted to a
+ * deferred procedding list.
+ */
+ while (!list_empty(&phba->freebufList)) {
+ struct lpfc_dmabuf *mp;
+
+ mp = (struct lpfc_dmabuf *)(phba->freebufList.next);
+ if (mp) {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ list_del(&mp->list);
+ kfree(mp);
+ }
+ }
+
+ del_timer_sync(&phba->fc_estabtmo);
+ del_timer_sync(&phba->fc_disctmo);
+ del_timer_sync(&phba->fc_scantmo);
+ del_timer_sync(&phba->fc_fdmitmo);
+ del_timer_sync(&phba->els_tmofunc);
+ psli = &phba->sli;
+ del_timer_sync(&psli->mbox_tmo);
+ return(1);
+}
git://git.onelab.eu / linux-2.6.git / blobdiff