/******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2004-2007 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 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. * *******************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "lpfc_hw.h" #include "lpfc_sli.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" #include "lpfc_vport.h" #include "lpfc_version.h" static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); static int lpfc_post_rcv_buf(struct lpfc_hba *); static struct scsi_transport_template *lpfc_transport_template = NULL; static struct scsi_transport_template *lpfc_vport_transport_template = NULL; static DEFINE_IDR(lpfc_hba_index); /************************************************************************/ /* */ /* 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, rc; LPFC_MBOXQ_t *pmb; MAILBOX_t *mb; char *lpfc_vpd_data = NULL; uint16_t offset = 0; static char licensed[56] = "key unlock for use with gnu public licensed code only\0"; static int init_key = 1; pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { phba->link_state = LPFC_HBA_ERROR; return -ENOMEM; } mb = &pmb->mb; phba->link_state = LPFC_INIT_MBX_CMDS; if (lpfc_is_LC_HBA(phba->pcidev->device)) { if (init_key) { uint32_t *ptext = (uint32_t *) licensed; for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) *ptext = cpu_to_be32(*ptext); init_key = 0; } 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)); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, "0324 Config Port initialization " "error, mbxCmd x%x READ_NVPARM, " "mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); mempool_free(pmb, phba->mbox_mem_pool); return -ERESTART; } memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, sizeof(phba->wwnn)); memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, sizeof(phba->wwpn)); } phba->sli3_options = 0x0; /* Setup and issue mailbox READ REV command */ lpfc_read_rev(phba, pmb); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0439 Adapter failed to init, mbxCmd x%x " "READ_REV, mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); mempool_free( pmb, phba->mbox_mem_pool); return -ERESTART; } /* * The value of rr must be 1 since the driver set the cv field to 1. * This setting requires the FW to set all revision fields. */ if (mb->un.varRdRev.rr == 0) { vp->rev.rBit = 0; lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0440 Adapter failed to init, READ_REV has " "missing revision information.\n"); mempool_free(pmb, phba->mbox_mem_pool); return -ERESTART; } if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) return -EINVAL; /* Save information as VPD data */ vp->rev.rBit = 1; memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); 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); 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; /* If the sli feature level is less then 9, we must * tear down all RPIs and VPIs on link down if NPIV * is enabled. */ if (vp->rev.feaLevelHigh < 9) phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; if (lpfc_is_LC_HBA(phba->pcidev->device)) memcpy(phba->RandomData, (char *)&mb->un.varWords[24], sizeof (phba->RandomData)); /* Get adapter VPD information */ pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); if (!pmb->context2) goto out_free_mbox; lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); if (!lpfc_vpd_data) goto out_free_context2; do { lpfc_dump_mem(phba, pmb, offset); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); if (rc != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0441 VPD not present on adapter, " "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); mb->un.varDmp.word_cnt = 0; } if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, mb->un.varDmp.word_cnt); offset += mb->un.varDmp.word_cnt; } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); lpfc_parse_vpd(phba, lpfc_vpd_data, offset); kfree(lpfc_vpd_data); out_free_context2: kfree(pmb->context2); out_free_mbox: mempool_free(pmb, phba->mbox_mem_pool); return 0; } /* Completion handler for config async event mailbox command. */ static void lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) { if (pmboxq->mb.mbxStatus == MBX_SUCCESS) phba->temp_sensor_support = 1; else phba->temp_sensor_support = 0; mempool_free(pmboxq, phba->mbox_mem_pool); return; } /************************************************************************/ /* */ /* 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) { struct lpfc_vport *vport = phba->pport; LPFC_MBOXQ_t *pmb; MAILBOX_t *mb; struct lpfc_dmabuf *mp; struct lpfc_sli *psli = &phba->sli; uint32_t status, timeout; int i, j; int rc; spin_lock_irq(&phba->hbalock); /* * If the Config port completed correctly the HBA is not * over heated any more. */ if (phba->over_temp_state == HBA_OVER_TEMP) phba->over_temp_state = HBA_NORMAL_TEMP; spin_unlock_irq(&phba->hbalock); pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { phba->link_state = LPFC_HBA_ERROR; return -ENOMEM; } mb = &pmb->mb; /* Get login parameters for NID. */ lpfc_read_sparam(phba, pmb, 0); pmb->vport = vport; if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0448 Adapter failed init, mbxCmd x%x " "READ_SPARM mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); phba->link_state = LPFC_HBA_ERROR; mp = (struct lpfc_dmabuf *) pmb->context1; mempool_free( pmb, phba->mbox_mem_pool); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); return -EIO; } mp = (struct lpfc_dmabuf *) pmb->context1; memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); pmb->context1 = NULL; if (phba->cfg_soft_wwnn) u64_to_wwn(phba->cfg_soft_wwnn, vport->fc_sparam.nodeName.u.wwn); if (phba->cfg_soft_wwpn) u64_to_wwn(phba->cfg_soft_wwpn, vport->fc_sparam.portName.u.wwn); memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, sizeof (struct lpfc_name)); memcpy(&vport->fc_portname, &vport->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 = &vport->fc_nodename.u.s.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)); } } lpfc_read_config(phba, pmb); pmb->vport = vport; if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0453 Adapter failed to init, mbxCmd x%x " "READ_CONFIG, mbxStatus x%x\n", mb->mbxCommand, mb->mbxStatus); phba->link_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; /* Get the default values for Model Name and Description */ lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); if ((phba->cfg_link_speed > LINK_SPEED_10G) || ((phba->cfg_link_speed == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || ((phba->cfg_link_speed == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || ((phba->cfg_link_speed == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || ((phba->cfg_link_speed == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || ((phba->cfg_link_speed == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) { /* Reset link speed to auto */ lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, "1302 Invalid speed for this board: " "Reset link speed to auto: x%x\n", phba->cfg_link_speed); phba->cfg_link_speed = LINK_SPEED_AUTO; } phba->link_state = LPFC_LINK_DOWN; /* Only process IOCBs on ELS ring till hba_state is READY */ if (psli->ring[psli->extra_ring].cmdringaddr) psli->ring[psli->extra_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 */ if (phba->sli_rev != 3) lpfc_post_rcv_buf(phba); /* Enable appropriate host interrupts */ spin_lock_irq(&phba->hbalock); status = readl(phba->HCregaddr); status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; if (psli->num_rings > 0) status |= HC_R0INT_ENA; if (psli->num_rings > 1) status |= HC_R1INT_ENA; if (psli->num_rings > 2) status |= HC_R2INT_ENA; if (psli->num_rings > 3) status |= HC_R3INT_ENA; if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && (phba->cfg_poll & DISABLE_FCP_RING_INT)) status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); writel(status, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ spin_unlock_irq(&phba->hbalock); /* * Setup the ring 0 (els) timeout handler */ timeout = phba->fc_ratov << 1; mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); phba->hb_outstanding = 0; phba->last_completion_time = jiffies; lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; pmb->vport = vport; rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); lpfc_set_loopback_flag(phba); if (rc != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0454 Adapter failed to init, mbxCmd x%x " "INIT_LINK, mbxStatus x%x\n", 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 */ phba->link_state = LPFC_HBA_ERROR; if (rc != MBX_BUSY) mempool_free(pmb, phba->mbox_mem_pool); return -EIO; } /* MBOX buffer will be freed in mbox compl */ pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); lpfc_config_async(phba, pmb, LPFC_ELS_RING); pmb->mbox_cmpl = lpfc_config_async_cmpl; pmb->vport = phba->pport; rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0456 Adapter failed to issue " "ASYNCEVT_ENABLE mbox status x%x \n.", rc); mempool_free(pmb, phba->mbox_mem_pool); } 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 */ lpfc_cleanup_discovery_resources(phba->pport); 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; struct lpfc_iocbq *iocb; IOCB_t *cmd = NULL; LIST_HEAD(completions); int i; if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) lpfc_sli_hbqbuf_free_all(phba); else { /* 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); } } spin_lock_irq(&phba->hbalock); for (i = 0; i < psli->num_rings; i++) { pring = &psli->ring[i]; /* At this point in time the HBA is either reset or DOA. Either * way, nothing should be on txcmplq as it will NEVER complete. */ list_splice_init(&pring->txcmplq, &completions); pring->txcmplq_cnt = 0; spin_unlock_irq(&phba->hbalock); while (!list_empty(&completions)) { iocb = list_get_first(&completions, struct lpfc_iocbq, list); cmd = &iocb->iocb; list_del_init(&iocb->list); if (!iocb->iocb_cmpl) lpfc_sli_release_iocbq(phba, iocb); else { cmd->ulpStatus = IOSTAT_LOCAL_REJECT; cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; (iocb->iocb_cmpl) (phba, iocb, iocb); } } lpfc_sli_abort_iocb_ring(phba, pring); spin_lock_irq(&phba->hbalock); } spin_unlock_irq(&phba->hbalock); return 0; } /* HBA heart beat timeout handler */ static void lpfc_hb_timeout(unsigned long ptr) { struct lpfc_hba *phba; unsigned long iflag; phba = (struct lpfc_hba *)ptr; spin_lock_irqsave(&phba->pport->work_port_lock, iflag); if (!(phba->pport->work_port_events & WORKER_HB_TMO)) phba->pport->work_port_events |= WORKER_HB_TMO; spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); if (phba->work_wait) wake_up(phba->work_wait); return; } static void lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) { unsigned long drvr_flag; spin_lock_irqsave(&phba->hbalock, drvr_flag); phba->hb_outstanding = 0; spin_unlock_irqrestore(&phba->hbalock, drvr_flag); mempool_free(pmboxq, phba->mbox_mem_pool); if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && !(phba->link_state == LPFC_HBA_ERROR) && !(phba->pport->load_flag & FC_UNLOADING)) mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); return; } void lpfc_hb_timeout_handler(struct lpfc_hba *phba) { LPFC_MBOXQ_t *pmboxq; struct lpfc_dmabuf *buf_ptr; int retval; struct lpfc_sli *psli = &phba->sli; LIST_HEAD(completions); if ((phba->link_state == LPFC_HBA_ERROR) || (phba->pport->load_flag & FC_UNLOADING) || (phba->pport->fc_flag & FC_OFFLINE_MODE)) return; spin_lock_irq(&phba->pport->work_port_lock); /* If the timer is already canceled do nothing */ if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { spin_unlock_irq(&phba->pport->work_port_lock); return; } if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, jiffies)) { spin_unlock_irq(&phba->pport->work_port_lock); if (!phba->hb_outstanding) mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); else mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); return; } spin_unlock_irq(&phba->pport->work_port_lock); if (phba->elsbuf_cnt && (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { spin_lock_irq(&phba->hbalock); list_splice_init(&phba->elsbuf, &completions); phba->elsbuf_cnt = 0; phba->elsbuf_prev_cnt = 0; spin_unlock_irq(&phba->hbalock); while (!list_empty(&completions)) { list_remove_head(&completions, buf_ptr, struct lpfc_dmabuf, list); lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); kfree(buf_ptr); } } phba->elsbuf_prev_cnt = phba->elsbuf_cnt; /* If there is no heart beat outstanding, issue a heartbeat command */ if (phba->cfg_enable_hba_heartbeat) { if (!phba->hb_outstanding) { pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); if (!pmboxq) { mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); return; } lpfc_heart_beat(phba, pmboxq); pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; pmboxq->vport = phba->pport; retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); if (retval != MBX_BUSY && retval != MBX_SUCCESS) { mempool_free(pmboxq, phba->mbox_mem_pool); mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); return; } mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); phba->hb_outstanding = 1; return; } else { /* * If heart beat timeout called with hb_outstanding set * we need to take the HBA offline. */ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0459 Adapter heartbeat failure, " "taking this port offline.\n"); spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(&phba->hbalock); lpfc_offline_prep(phba); lpfc_offline(phba); lpfc_unblock_mgmt_io(phba); phba->link_state = LPFC_HBA_ERROR; lpfc_hba_down_post(phba); } } } static void lpfc_offline_eratt(struct lpfc_hba *phba) { struct lpfc_sli *psli = &phba->sli; spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(&phba->hbalock); lpfc_offline_prep(phba); lpfc_offline(phba); lpfc_reset_barrier(phba); lpfc_sli_brdreset(phba); lpfc_hba_down_post(phba); lpfc_sli_brdready(phba, HS_MBRDY); lpfc_unblock_mgmt_io(phba); phba->link_state = LPFC_HBA_ERROR; return; } /************************************************************************/ /* */ /* 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) { struct lpfc_vport *vport = phba->pport; struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; struct lpfc_vport **vports; uint32_t event_data; unsigned long temperature; struct temp_event temp_event_data; struct Scsi_Host *shost; int i; /* If the pci channel is offline, ignore possible errors, * since we cannot communicate with the pci card anyway. */ if (pci_channel_offline(phba->pcidev)) return; /* If resets are disabled then leave the HBA alone and return */ if (!phba->cfg_enable_hba_reset) return; if (phba->work_hs & HS_FFER6 || phba->work_hs & HS_FFER5) { /* Re-establishing Link */ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, "1301 Re-establishing Link " "Data: x%x x%x x%x\n", phba->work_hs, phba->work_status[0], phba->work_status[1]); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++){ shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); vports[i]->fc_flag |= FC_ESTABLISH_LINK; spin_unlock_irq(shost->host_lock); } lpfc_destroy_vport_work_array(phba, vports); spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(&phba->hbalock); /* * 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]; lpfc_sli_abort_iocb_ring(phba, pring); /* * There was a firmware error. Take the hba offline and then * attempt to restart it. */ lpfc_offline_prep(phba); lpfc_offline(phba); lpfc_sli_brdrestart(phba); if (lpfc_online(phba) == 0) { /* Initialize the HBA */ mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); lpfc_unblock_mgmt_io(phba); return; } lpfc_unblock_mgmt_io(phba); } else if (phba->work_hs & HS_CRIT_TEMP) { temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; temp_event_data.event_code = LPFC_CRIT_TEMP; temp_event_data.data = (uint32_t)temperature; lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0459 Adapter maximum temperature exceeded " "(%ld), taking this port offline " "Data: x%x x%x x%x\n", temperature, phba->work_hs, phba->work_status[0], phba->work_status[1]); shost = lpfc_shost_from_vport(phba->pport); fc_host_post_vendor_event(shost, fc_get_event_number(), sizeof(temp_event_data), (char *) &temp_event_data, SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); spin_lock_irq(&phba->hbalock); phba->over_temp_state = HBA_OVER_TEMP; spin_unlock_irq(&phba->hbalock); lpfc_offline_eratt(phba); } 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, "0457 Adapter Hardware Error " "Data: x%x x%x x%x\n", phba->work_hs, phba->work_status[0], phba->work_status[1]); event_data = FC_REG_DUMP_EVENT; shost = lpfc_shost_from_vport(vport); fc_host_post_vendor_event(shost, fc_get_event_number(), sizeof(event_data), (char *) &event_data, SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); lpfc_offline_eratt(phba); } } /************************************************************************/ /* */ /* 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_vport *vport = phba->pport; struct lpfc_sli *psli = &phba->sli; LPFC_MBOXQ_t *pmb; volatile uint32_t control; struct lpfc_dmabuf *mp; int rc = 0; pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { rc = 1; goto lpfc_handle_latt_err_exit; } mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); if (!mp) { rc = 2; goto lpfc_handle_latt_free_pmb; } mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); if (!mp->virt) { rc = 3; goto lpfc_handle_latt_free_mp; } /* Cleanup any outstanding ELS commands */ lpfc_els_flush_all_cmd(phba); psli->slistat.link_event++; lpfc_read_la(phba, pmb, mp); pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; pmb->vport = vport; rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { rc = 4; goto lpfc_handle_latt_free_mbuf; } /* Clear Link Attention in HA REG */ spin_lock_irq(&phba->hbalock); writel(HA_LATT, phba->HAregaddr); readl(phba->HAregaddr); /* flush */ spin_unlock_irq(&phba->hbalock); return; lpfc_handle_latt_free_mbuf: lpfc_mbuf_free(phba, mp->virt, mp->phys); lpfc_handle_latt_free_mp: kfree(mp); lpfc_handle_latt_free_pmb: mempool_free(pmb, phba->mbox_mem_pool); lpfc_handle_latt_err_exit: /* Enable Link attention interrupts */ spin_lock_irq(&phba->hbalock); psli->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_irq(&phba->hbalock); lpfc_linkdown(phba); phba->link_state = LPFC_HBA_ERROR; lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); return; } /************************************************************************/ /* */ /* lpfc_parse_vpd */ /* This routine will parse the VPD data */ /* */ /************************************************************************/ static int lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) { uint8_t lenlo, lenhi; int Length; int i, j; int finished = 0; int index = 0; if (!vpd) return 0; /* Vital Product */ lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0455 Vital Product Data: x%x x%x x%x x%x\n", (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], (uint32_t) vpd[3]); while (!finished && (index < (len - 4))) { switch (vpd[index]) { case 0x82: case 0x91: 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; Length = ((((unsigned short)lenhi) << 8) + lenlo); if (Length > len - index) Length = len - index; while (Length > 0) { /* Look for Serial Number */ if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { index += 2; i = vpd[index]; index += 1; j = 0; Length -= (3+i); while(i--) { phba->SerialNumber[j++] = vpd[index++]; if (j == 31) break; } phba->SerialNumber[j] = 0; continue; } else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { phba->vpd_flag |= VPD_MODEL_DESC; index += 2; i = vpd[index]; index += 1; j = 0; Length -= (3+i); while(i--) { phba->ModelDesc[j++] = vpd[index++]; if (j == 255) break; } phba->ModelDesc[j] = 0; continue; } else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { phba->vpd_flag |= VPD_MODEL_NAME; index += 2; i = vpd[index]; index += 1; j = 0; Length -= (3+i); while(i--) { phba->ModelName[j++] = vpd[index++]; if (j == 79) break; } phba->ModelName[j] = 0; continue; } else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { phba->vpd_flag |= VPD_PROGRAM_TYPE; index += 2; i = vpd[index]; index += 1; j = 0; Length -= (3+i); while(i--) { phba->ProgramType[j++] = vpd[index++]; if (j == 255) break; } phba->ProgramType[j] = 0; continue; } else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { phba->vpd_flag |= VPD_PORT; index += 2; i = vpd[index]; index += 1; j = 0; Length -= (3+i); while(i--) { phba->Port[j++] = vpd[index++]; if (j == 19) break; } phba->Port[j] = 0; continue; } else { index += 2; i = vpd[index]; index += 1; index += i; Length -= (3 + i); } } finished = 0; break; case 0x78: finished = 1; break; default: index ++; break; } } return(1); } static void lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) { lpfc_vpd_t *vp; uint16_t dev_id = phba->pcidev->device; int max_speed; struct { char * name; int max_speed; char * bus; } m = {"", 0, ""}; if (mdp && mdp[0] != '\0' && descp && descp[0] != '\0') return; if (phba->lmt & LMT_10Gb) max_speed = 10; else if (phba->lmt & LMT_8Gb) max_speed = 8; else if (phba->lmt & LMT_4Gb) max_speed = 4; else if (phba->lmt & LMT_2Gb) max_speed = 2; else max_speed = 1; vp = &phba->vpd; switch (dev_id) { case PCI_DEVICE_ID_FIREFLY: m = (typeof(m)){"LP6000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_SUPERFLY: if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) m = (typeof(m)){"LP7000", max_speed, "PCI"}; else m = (typeof(m)){"LP7000E", max_speed, "PCI"}; break; case PCI_DEVICE_ID_DRAGONFLY: m = (typeof(m)){"LP8000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_CENTAUR: if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) m = (typeof(m)){"LP9002", max_speed, "PCI"}; else m = (typeof(m)){"LP9000", max_speed, "PCI"}; break; case PCI_DEVICE_ID_RFLY: m = (typeof(m)){"LP952", max_speed, "PCI"}; break; case PCI_DEVICE_ID_PEGASUS: m = (typeof(m)){"LP9802", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_THOR: m = (typeof(m)){"LP10000", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_VIPER: m = (typeof(m)){"LPX1000", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_PFLY: m = (typeof(m)){"LP982", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_TFLY: m = (typeof(m)){"LP1050", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_HELIOS: m = (typeof(m)){"LP11000", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_HELIOS_SCSP: m = (typeof(m)){"LP11000-SP", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_HELIOS_DCSP: m = (typeof(m)){"LP11002-SP", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_NEPTUNE: m = (typeof(m)){"LPe1000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_NEPTUNE_SCSP: m = (typeof(m)){"LPe1000-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_NEPTUNE_DCSP: m = (typeof(m)){"LPe1002-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_BMID: m = (typeof(m)){"LP1150", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_BSMB: m = (typeof(m)){"LP111", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_ZEPHYR: m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_SCSP: m = (typeof(m)){"LPe11000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZEPHYR_DCSP: m = (typeof(m)){"LPe11002-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZMID: m = (typeof(m)){"LPe1150", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_ZSMB: m = (typeof(m)){"LPe111", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_LP101: m = (typeof(m)){"LP101", max_speed, "PCI-X"}; break; case PCI_DEVICE_ID_LP10000S: m = (typeof(m)){"LP10000-S", max_speed, "PCI"}; break; case PCI_DEVICE_ID_LP11000S: m = (typeof(m)){"LP11000-S", max_speed, "PCI-X2"}; break; case PCI_DEVICE_ID_LPE11000S: m = (typeof(m)){"LPe11000-S", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_SAT: m = (typeof(m)){"LPe12000", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_SAT_MID: m = (typeof(m)){"LPe1250", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_SAT_SMB: m = (typeof(m)){"LPe121", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_SAT_DCSP: m = (typeof(m)){"LPe12002-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_SAT_SCSP: m = (typeof(m)){"LPe12000-SP", max_speed, "PCIe"}; break; case PCI_DEVICE_ID_SAT_S: m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; break; default: m = (typeof(m)){ NULL }; break; } if (mdp && mdp[0] == '\0') snprintf(mdp, 79,"%s", m.name); if (descp && descp[0] == '\0') snprintf(descp, 255, "Emulex %s %dGb %s Fibre Channel Adapter", m.name, m.max_speed, m.bus); } /**************************************************/ /* 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 */ iocb = lpfc_sli_get_iocbq(phba); if (iocb == NULL) { pring->missbufcnt = cnt; return cnt; } icmd = &iocb->iocb; /* 2 buffers can be posted per command */ /* Allocate buffer to post */ mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (mp1) mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); if (!mp1 || !mp1->virt) { kfree(mp1); lpfc_sli_release_iocbq(phba, iocb); 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 || !mp2->virt) { kfree(mp2); lpfc_mbuf_free(phba, mp1->virt, mp1->phys); kfree(mp1); lpfc_sli_release_iocbq(phba, iocb); 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->ulpLe = 1; if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { lpfc_mbuf_free(phba, mp1->virt, mp1->phys); kfree(mp1); cnt++; if (mp2) { lpfc_mbuf_free(phba, mp2->virt, mp2->phys); kfree(mp2); cnt++; } lpfc_sli_release_iocbq(phba, iocb); 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 = (uint32_t *) phba->wwnn; HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); if (!HashWorking) return; 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); } void lpfc_cleanup(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp, *next_ndlp; int i = 0; if (phba->link_state > LPFC_LINK_DOWN) lpfc_port_link_failure(vport); list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { if (ndlp->nlp_type & NLP_FABRIC) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); } /* At this point, ALL ndlp's should be gone * because of the previous NLP_EVT_DEVICE_RM. * Lets wait for this to happen, if needed. */ while (!list_empty(&vport->fc_nodes)) { if (i++ > 3000) { lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0233 Nodelist not empty\n"); break; } /* Wait for any activity on ndlps to settle */ msleep(10); } return; } static void lpfc_establish_link_tmo(unsigned long ptr) { struct lpfc_hba *phba = (struct lpfc_hba *) ptr; struct lpfc_vport **vports; unsigned long iflag; int i; /* Re-establishing Link, timer expired */ lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, "1300 Re-establishing Link, timer expired " "Data: x%x x%x\n", phba->pport->fc_flag, phba->pport->port_state); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { struct Scsi_Host *shost; shost = lpfc_shost_from_vport(vports[i]); spin_lock_irqsave(shost->host_lock, iflag); vports[i]->fc_flag &= ~FC_ESTABLISH_LINK; spin_unlock_irqrestore(shost->host_lock, iflag); } lpfc_destroy_vport_work_array(phba, vports); } void lpfc_stop_vport_timers(struct lpfc_vport *vport) { del_timer_sync(&vport->els_tmofunc); del_timer_sync(&vport->fc_fdmitmo); lpfc_can_disctmo(vport); return; } static void lpfc_stop_phba_timers(struct lpfc_hba *phba) { del_timer_sync(&phba->fcp_poll_timer); del_timer_sync(&phba->fc_estabtmo); lpfc_stop_vport_timers(phba->pport); del_timer_sync(&phba->sli.mbox_tmo); del_timer_sync(&phba->fabric_block_timer); phba->hb_outstanding = 0; del_timer_sync(&phba->hb_tmofunc); return; } static void lpfc_block_mgmt_io(struct lpfc_hba * phba) { unsigned long iflag; spin_lock_irqsave(&phba->hbalock, iflag); phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; spin_unlock_irqrestore(&phba->hbalock, iflag); } int lpfc_online(struct lpfc_hba *phba) { struct lpfc_vport *vport = phba->pport; struct lpfc_vport **vports; int i; if (!phba) return 0; if (!(vport->fc_flag & FC_OFFLINE_MODE)) return 0; lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, "0458 Bring Adapter online\n"); lpfc_block_mgmt_io(phba); if (!lpfc_sli_queue_setup(phba)) { lpfc_unblock_mgmt_io(phba); return 1; } if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ lpfc_unblock_mgmt_io(phba); return 1; } vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { struct Scsi_Host *shost; shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); vports[i]->fc_flag &= ~FC_OFFLINE_MODE; if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; spin_unlock_irq(shost->host_lock); } lpfc_destroy_vport_work_array(phba, vports); lpfc_unblock_mgmt_io(phba); return 0; } void lpfc_unblock_mgmt_io(struct lpfc_hba * phba) { unsigned long iflag; spin_lock_irqsave(&phba->hbalock, iflag); phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; spin_unlock_irqrestore(&phba->hbalock, iflag); } void lpfc_offline_prep(struct lpfc_hba * phba) { struct lpfc_vport *vport = phba->pport; struct lpfc_nodelist *ndlp, *next_ndlp; struct lpfc_vport **vports; int i; if (vport->fc_flag & FC_OFFLINE_MODE) return; lpfc_block_mgmt_io(phba); lpfc_linkdown(phba); /* Issue an unreg_login to all nodes on all vports */ vports = lpfc_create_vport_work_array(phba); if (vports != NULL) { for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { struct Scsi_Host *shost; if (vports[i]->load_flag & FC_UNLOADING) continue; shost = lpfc_shost_from_vport(vports[i]); list_for_each_entry_safe(ndlp, next_ndlp, &vports[i]->fc_nodes, nlp_listp) { if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) continue; if (ndlp->nlp_type & NLP_FABRIC) { lpfc_disc_state_machine(vports[i], ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); lpfc_disc_state_machine(vports[i], ndlp, NULL, NLP_EVT_DEVICE_RM); } spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~NLP_NPR_ADISC; spin_unlock_irq(shost->host_lock); lpfc_unreg_rpi(vports[i], ndlp); } } } lpfc_destroy_vport_work_array(phba, vports); lpfc_sli_flush_mbox_queue(phba); } void lpfc_offline(struct lpfc_hba *phba) { struct Scsi_Host *shost; struct lpfc_vport **vports; int i; if (phba->pport->fc_flag & FC_OFFLINE_MODE) return; /* stop all timers associated with this hba */ lpfc_stop_phba_timers(phba); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) lpfc_stop_vport_timers(vports[i]); lpfc_destroy_vport_work_array(phba, vports); lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, "0460 Bring Adapter offline\n"); /* Bring down the SLI Layer and cleanup. The HBA is offline now. */ lpfc_sli_hba_down(phba); spin_lock_irq(&phba->hbalock); phba->work_ha = 0; spin_unlock_irq(&phba->hbalock); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); vports[i]->work_port_events = 0; vports[i]->fc_flag |= FC_OFFLINE_MODE; spin_unlock_irq(shost->host_lock); } lpfc_destroy_vport_work_array(phba, vports); } /****************************************************************************** * Function name: lpfc_scsi_free * * Description: Called from lpfc_pci_remove_one free internal driver resources * ******************************************************************************/ static int lpfc_scsi_free(struct lpfc_hba *phba) { struct lpfc_scsi_buf *sb, *sb_next; struct lpfc_iocbq *io, *io_next; spin_lock_irq(&phba->hbalock); /* Release all the lpfc_scsi_bufs maintained by this host. */ list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { list_del(&sb->list); pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, sb->dma_handle); kfree(sb); phba->total_scsi_bufs--; } /* Release all the lpfc_iocbq entries maintained by this host. */ list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { list_del(&io->list); kfree(io); phba->total_iocbq_bufs--; } spin_unlock_irq(&phba->hbalock); return 0; } struct lpfc_vport * lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) { struct lpfc_vport *vport; struct Scsi_Host *shost; int error = 0; if (dev != &phba->pcidev->dev) shost = scsi_host_alloc(&lpfc_vport_template, sizeof(struct lpfc_vport)); else shost = scsi_host_alloc(&lpfc_template, sizeof(struct lpfc_vport)); if (!shost) goto out; vport = (struct lpfc_vport *) shost->hostdata; vport->phba = phba; vport->load_flag |= FC_LOADING; vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; lpfc_get_vport_cfgparam(vport); shost->unique_id = instance; shost->max_id = LPFC_MAX_TARGET; shost->max_lun = vport->cfg_max_luns; shost->this_id = -1; shost->max_cmd_len = 16; /* * Set initial can_queue value since 0 is no longer supported and * scsi_add_host will fail. This will be adjusted later based on the * max xri value determined in hba setup. */ shost->can_queue = phba->cfg_hba_queue_depth - 10; if (dev != &phba->pcidev->dev) { shost->transportt = lpfc_vport_transport_template; vport->port_type = LPFC_NPIV_PORT; } else { shost->transportt = lpfc_transport_template; vport->port_type = LPFC_PHYSICAL_PORT; } /* Initialize all internally managed lists. */ INIT_LIST_HEAD(&vport->fc_nodes); spin_lock_init(&vport->work_port_lock); init_timer(&vport->fc_disctmo); vport->fc_disctmo.function = lpfc_disc_timeout; vport->fc_disctmo.data = (unsigned long)vport; init_timer(&vport->fc_fdmitmo); vport->fc_fdmitmo.function = lpfc_fdmi_tmo; vport->fc_fdmitmo.data = (unsigned long)vport; init_timer(&vport->els_tmofunc); vport->els_tmofunc.function = lpfc_els_timeout; vport->els_tmofunc.data = (unsigned long)vport; error = scsi_add_host(shost, dev); if (error) goto out_put_shost; spin_lock_irq(&phba->hbalock); list_add_tail(&vport->listentry, &phba->port_list); spin_unlock_irq(&phba->hbalock); return vport; out_put_shost: scsi_host_put(shost); out: return NULL; } void destroy_port(struct lpfc_vport *vport) { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; kfree(vport->vname); lpfc_debugfs_terminate(vport); fc_remove_host(shost); scsi_remove_host(shost); spin_lock_irq(&phba->hbalock); list_del_init(&vport->listentry); spin_unlock_irq(&phba->hbalock); lpfc_cleanup(vport); return; } int lpfc_get_instance(void) { int instance = 0; /* Assign an unused number */ if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) return -1; if (idr_get_new(&lpfc_hba_index, NULL, &instance)) return -1; return instance; } /* * Note: there is no scan_start function as adapter initialization * will have asynchronously kicked off the link initialization. */ int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) { struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_hba *phba = vport->phba; int stat = 0; spin_lock_irq(shost->host_lock); if (vport->load_flag & FC_UNLOADING) { stat = 1; goto finished; } if (time >= 30 * HZ) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0461 Scanning longer than 30 " "seconds. Continuing initialization\n"); stat = 1; goto finished; } if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0465 Link down longer than 15 " "seconds. Continuing initialization\n"); stat = 1; goto finished; } if (vport->port_state != LPFC_VPORT_READY) goto finished; if (vport->num_disc_nodes || vport->fc_prli_sent) goto finished; if (vport->fc_map_cnt == 0 && time < 2 * HZ) goto finished; if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) goto finished; stat = 1; finished: spin_unlock_irq(shost->host_lock); return stat; } void lpfc_host_attrib_init(struct Scsi_Host *shost) { struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_hba *phba = vport->phba; /* * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). */ fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); fc_host_supported_classes(shost) = FC_COS_CLASS3; memset(fc_host_supported_fc4s(shost), 0, sizeof(fc_host_supported_fc4s(shost))); fc_host_supported_fc4s(shost)[2] = 1; fc_host_supported_fc4s(shost)[7] = 1; lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), sizeof fc_host_symbolic_name(shost)); fc_host_supported_speeds(shost) = 0; if (phba->lmt & LMT_10Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; if (phba->lmt & LMT_8Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; if (phba->lmt & LMT_4Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; if (phba->lmt & LMT_2Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; if (phba->lmt & LMT_1Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; fc_host_maxframe_size(shost) = (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; /* This value is also unchanging */ memset(fc_host_active_fc4s(shost), 0, sizeof(fc_host_active_fc4s(shost))); fc_host_active_fc4s(shost)[2] = 1; fc_host_active_fc4s(shost)[7] = 1; fc_host_max_npiv_vports(shost) = phba->max_vpi; spin_lock_irq(shost->host_lock); vport->load_flag &= ~FC_LOADING; spin_unlock_irq(shost->host_lock); } static int __devinit lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) { struct lpfc_vport *vport = NULL; struct lpfc_hba *phba; struct lpfc_sli *psli; struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; struct Scsi_Host *shost = NULL; void *ptr; unsigned long bar0map_len, bar2map_len; int error = -ENODEV, retval; int i, hbq_count; uint16_t iotag; int bars = pci_select_bars(pdev, IORESOURCE_MEM); if (pci_enable_device_bars(pdev, bars)) goto out; if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) goto out_disable_device; phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); if (!phba) goto out_release_regions; spin_lock_init(&phba->hbalock); phba->pcidev = pdev; /* Assign an unused board number */ if ((phba->brd_no = lpfc_get_instance()) < 0) goto out_free_phba; INIT_LIST_HEAD(&phba->port_list); /* * Get all the module params for configuring this host and then * establish the host. */ lpfc_get_cfgparam(phba); phba->max_vpi = LPFC_MAX_VPI; /* Initialize timers used by driver */ init_timer(&phba->fc_estabtmo); phba->fc_estabtmo.function = lpfc_establish_link_tmo; phba->fc_estabtmo.data = (unsigned long)phba; init_timer(&phba->hb_tmofunc); phba->hb_tmofunc.function = lpfc_hb_timeout; phba->hb_tmofunc.data = (unsigned long)phba; psli = &phba->sli; init_timer(&psli->mbox_tmo); psli->mbox_tmo.function = lpfc_mbox_timeout; psli->mbox_tmo.data = (unsigned long) phba; init_timer(&phba->fcp_poll_timer); phba->fcp_poll_timer.function = lpfc_poll_timeout; phba->fcp_poll_timer.data = (unsigned long) phba; init_timer(&phba->fabric_block_timer); phba->fabric_block_timer.function = lpfc_fabric_block_timeout; phba->fabric_block_timer.data = (unsigned long) phba; pci_set_master(pdev); pci_try_set_mwi(pdev); if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) goto out_idr_remove; /* * Get the bus address of Bar0 and Bar2 and the number of bytes * required by each mapping. */ phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); bar0map_len = pci_resource_len(phba->pcidev, 0); phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); bar2map_len = pci_resource_len(phba->pcidev, 2); /* Map HBA SLIM to a kernel virtual address. */ phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); if (!phba->slim_memmap_p) { error = -ENODEV; dev_printk(KERN_ERR, &pdev->dev, "ioremap failed for SLIM memory.\n"); goto out_idr_remove; } /* Map HBA Control Registers to a kernel virtual address. */ phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); if (!phba->ctrl_regs_memmap_p) { error = -ENODEV; dev_printk(KERN_ERR, &pdev->dev, "ioremap failed for HBA control registers.\n"); goto out_iounmap_slim; } /* Allocate memory for SLI-2 structures */ phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, &phba->slim2p_mapping, GFP_KERNEL); if (!phba->slim2p) goto out_iounmap; memset(phba->slim2p, 0, SLI2_SLIM_SIZE); phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, lpfc_sli_hbq_size(), &phba->hbqslimp.phys, GFP_KERNEL); if (!phba->hbqslimp.virt) goto out_free_slim; hbq_count = lpfc_sli_hbq_count(); ptr = phba->hbqslimp.virt; for (i = 0; i < hbq_count; ++i) { phba->hbqs[i].hbq_virt = ptr; INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); ptr += (lpfc_hbq_defs[i]->entry_count * sizeof(struct lpfc_hbq_entry)); } phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); /* Initialize the SLI Layer to run with lpfc HBAs. */ lpfc_sli_setup(phba); lpfc_sli_queue_setup(phba); retval = lpfc_mem_alloc(phba); if (retval) { error = retval; goto out_free_hbqslimp; } /* Initialize and populate the iocb list per host. */ INIT_LIST_HEAD(&phba->lpfc_iocb_list); for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); if (iocbq_entry == NULL) { printk(KERN_ERR "%s: only allocated %d iocbs of " "expected %d count. Unloading driver.\n", __FUNCTION__, i, LPFC_IOCB_LIST_CNT); error = -ENOMEM; goto out_free_iocbq; } iotag = lpfc_sli_next_iotag(phba, iocbq_entry); if (iotag == 0) { kfree (iocbq_entry); printk(KERN_ERR "%s: failed to allocate IOTAG. " "Unloading driver.\n", __FUNCTION__); error = -ENOMEM; goto out_free_iocbq; } spin_lock_irq(&phba->hbalock); list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); phba->total_iocbq_bufs++; spin_unlock_irq(&phba->hbalock); } /* Initialize HBA structure */ phba->fc_edtov = FF_DEF_EDTOV; phba->fc_ratov = FF_DEF_RATOV; phba->fc_altov = FF_DEF_ALTOV; phba->fc_arbtov = FF_DEF_ARBTOV; INIT_LIST_HEAD(&phba->work_list); phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); /* Startup the kernel thread for this host adapter. */ phba->worker_thread = kthread_run(lpfc_do_work, phba, "lpfc_worker_%d", phba->brd_no); if (IS_ERR(phba->worker_thread)) { error = PTR_ERR(phba->worker_thread); goto out_free_iocbq; } /* Initialize the list of scsi buffers used by driver for scsi IO. */ spin_lock_init(&phba->scsi_buf_list_lock); INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); /* Initialize list of fabric iocbs */ INIT_LIST_HEAD(&phba->fabric_iocb_list); /* Initialize list to save ELS buffers */ INIT_LIST_HEAD(&phba->elsbuf); vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); if (!vport) goto out_kthread_stop; shost = lpfc_shost_from_vport(vport); phba->pport = vport; lpfc_debugfs_initialize(vport); pci_set_drvdata(pdev, shost); if (phba->cfg_use_msi) { retval = pci_enable_msi(phba->pcidev); if (!retval) phba->using_msi = 1; else lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0452 Enable MSI failed, continuing " "with IRQ\n"); } retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, LPFC_DRIVER_NAME, phba); if (retval) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable interrupt handler failed\n"); error = retval; goto out_disable_msi; } phba->MBslimaddr = phba->slim_memmap_p; phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; if (lpfc_alloc_sysfs_attr(vport)) { error = -ENOMEM; goto out_free_irq; } if (lpfc_sli_hba_setup(phba)) { error = -ENODEV; goto out_remove_device; } /* * hba setup may have changed the hba_queue_depth so we need to adjust * the value of can_queue. */ shost->can_queue = phba->cfg_hba_queue_depth - 10; lpfc_host_attrib_init(shost); if (phba->cfg_poll & DISABLE_FCP_RING_INT) { spin_lock_irq(shost->host_lock); lpfc_poll_start_timer(phba); spin_unlock_irq(shost->host_lock); } scsi_scan_host(shost); return 0; out_remove_device: lpfc_free_sysfs_attr(vport); spin_lock_irq(shost->host_lock); vport->load_flag |= FC_UNLOADING; spin_unlock_irq(shost->host_lock); out_free_irq: lpfc_stop_phba_timers(phba); phba->pport->work_port_events = 0; free_irq(phba->pcidev->irq, phba); out_disable_msi: if (phba->using_msi) pci_disable_msi(phba->pcidev); destroy_port(vport); out_kthread_stop: kthread_stop(phba->worker_thread); out_free_iocbq: list_for_each_entry_safe(iocbq_entry, iocbq_next, &phba->lpfc_iocb_list, list) { kfree(iocbq_entry); phba->total_iocbq_bufs--; } lpfc_mem_free(phba); out_free_hbqslimp: dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, phba->hbqslimp.phys); out_free_slim: dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, phba->slim2p_mapping); out_iounmap: iounmap(phba->ctrl_regs_memmap_p); out_iounmap_slim: iounmap(phba->slim_memmap_p); out_idr_remove: idr_remove(&lpfc_hba_index, phba->brd_no); out_free_phba: kfree(phba); out_release_regions: pci_release_selected_regions(pdev, bars); out_disable_device: pci_disable_device(pdev); out: pci_set_drvdata(pdev, NULL); if (shost) scsi_host_put(shost); return error; } static void __devexit lpfc_pci_remove_one(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_hba *phba = vport->phba; int bars = pci_select_bars(pdev, IORESOURCE_MEM); spin_lock_irq(&phba->hbalock); vport->load_flag |= FC_UNLOADING; spin_unlock_irq(&phba->hbalock); kfree(vport->vname); lpfc_free_sysfs_attr(vport); kthread_stop(phba->worker_thread); fc_remove_host(shost); scsi_remove_host(shost); lpfc_cleanup(vport); /* * Bring down the SLI Layer. This step disable all interrupts, * clears the rings, discards all mailbox commands, and resets * the HBA. */ lpfc_sli_hba_down(phba); lpfc_sli_brdrestart(phba); lpfc_stop_phba_timers(phba); spin_lock_irq(&phba->hbalock); list_del_init(&vport->listentry); spin_unlock_irq(&phba->hbalock); lpfc_debugfs_terminate(vport); /* Release the irq reservation */ free_irq(phba->pcidev->irq, phba); if (phba->using_msi) pci_disable_msi(phba->pcidev); pci_set_drvdata(pdev, NULL); scsi_host_put(shost); /* * Call scsi_free before mem_free since scsi bufs are released to their * corresponding pools here. */ lpfc_scsi_free(phba); lpfc_mem_free(phba); dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, phba->hbqslimp.phys); /* Free resources associated with SLI2 interface */ dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, phba->slim2p_mapping); /* unmap adapter SLIM and Control Registers */ iounmap(phba->ctrl_regs_memmap_p); iounmap(phba->slim_memmap_p); idr_remove(&lpfc_hba_index, phba->brd_no); kfree(phba); pci_release_selected_regions(pdev, bars); pci_disable_device(pdev); } /** * lpfc_io_error_detected - called when PCI error is detected * @pdev: Pointer to PCI device * @state: The current pci conneection state * * This function is called after a PCI bus error affecting * this device has been detected. */ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; if (state == pci_channel_io_perm_failure) return PCI_ERS_RESULT_DISCONNECT; pci_disable_device(pdev); /* * There may be 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]; lpfc_sli_abort_iocb_ring(phba, pring); /* Release the irq reservation */ free_irq(phba->pcidev->irq, phba); if (phba->using_msi) pci_disable_msi(phba->pcidev); /* Request a slot reset. */ return PCI_ERS_RESULT_NEED_RESET; } /** * lpfc_io_slot_reset - called after the pci bus has been reset. * @pdev: Pointer to PCI device * * Restart the card from scratch, as if from a cold-boot. */ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; struct lpfc_sli *psli = &phba->sli; dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); if (pci_enable_device_mem(pdev)) { printk(KERN_ERR "lpfc: Cannot re-enable " "PCI device after reset.\n"); return PCI_ERS_RESULT_DISCONNECT; } pci_set_master(pdev); /* Re-establishing Link */ spin_lock_irq(shost->host_lock); phba->pport->fc_flag |= FC_ESTABLISH_LINK; spin_unlock_irq(shost->host_lock); spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(&phba->hbalock); /* Take device offline; this will perform cleanup */ lpfc_offline(phba); lpfc_sli_brdrestart(phba); return PCI_ERS_RESULT_RECOVERED; } /** * lpfc_io_resume - called when traffic can start flowing again. * @pdev: Pointer to PCI device * * This callback is called when the error recovery driver tells us that * its OK to resume normal operation. */ static void lpfc_io_resume(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; if (lpfc_online(phba) == 0) { mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); } } static struct pci_device_id lpfc_id_table[] = { {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, PCI_ANY_ID, PCI_ANY_ID, }, { 0 } }; MODULE_DEVICE_TABLE(pci, lpfc_id_table); static struct pci_error_handlers lpfc_err_handler = { .error_detected = lpfc_io_error_detected, .slot_reset = lpfc_io_slot_reset, .resume = lpfc_io_resume, }; static struct pci_driver lpfc_driver = { .name = LPFC_DRIVER_NAME, .id_table = lpfc_id_table, .probe = lpfc_pci_probe_one, .remove = __devexit_p(lpfc_pci_remove_one), .err_handler = &lpfc_err_handler, }; static int __init lpfc_init(void) { int error = 0; printk(LPFC_MODULE_DESC "\n"); printk(LPFC_COPYRIGHT "\n"); if (lpfc_enable_npiv) { lpfc_transport_functions.vport_create = lpfc_vport_create; lpfc_transport_functions.vport_delete = lpfc_vport_delete; } lpfc_transport_template = fc_attach_transport(&lpfc_transport_functions); if (lpfc_transport_template == NULL) return -ENOMEM; if (lpfc_enable_npiv) { lpfc_vport_transport_template = fc_attach_transport(&lpfc_vport_transport_functions); if (lpfc_vport_transport_template == NULL) { fc_release_transport(lpfc_transport_template); return -ENOMEM; } } error = pci_register_driver(&lpfc_driver); if (error) { fc_release_transport(lpfc_transport_template); fc_release_transport(lpfc_vport_transport_template); } return error; } static void __exit lpfc_exit(void) { pci_unregister_driver(&lpfc_driver); fc_release_transport(lpfc_transport_template); if (lpfc_enable_npiv) fc_release_transport(lpfc_vport_transport_template); } module_init(lpfc_init); module_exit(lpfc_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION(LPFC_MODULE_DESC); MODULE_AUTHOR("Emulex Corporation - tech.support@emulex.com"); MODULE_VERSION("0:" LPFC_DRIVER_VERSION);