| /******************************************************************* |
| * 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 <linux/blkdev.h> |
| #include <linux/delay.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/idr.h> |
| #include <linux/interrupt.h> |
| #include <linux/kthread.h> |
| #include <linux/pci.h> |
| #include <linux/spinlock.h> |
| #include <linux/ctype.h> |
| |
| #include <scsi/scsi.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_host.h> |
| #include <scsi/scsi_transport_fc.h> |
| |
| #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" |
| #include "lpfc_vport.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, |
| "%d:0324 Config Port initialization " |
| "error, mbxCmd x%x READ_NVPARM, " |
| "mbxStatus x%x\n", |
| phba->brd_no, |
| 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, |
| "%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 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, |
| "%d:0440 Adapter failed to init, READ_REV has " |
| "missing revision information.\n", |
| phba->brd_no); |
| 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, |
| "%d:0441 VPD not present on adapter, " |
| "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", |
| phba->brd_no, |
| 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; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* 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; |
| |
| 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, |
| "%d:0448 Adapter failed init, mbxCmd x%x " |
| "READ_SPARM mbxStatus x%x\n", |
| phba->brd_no, |
| 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, |
| "%d:0453 Adapter failed to init, mbxCmd x%x " |
| "READ_CONFIG, mbxStatus x%x\n", |
| phba->brd_no, |
| 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, |
| "%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; |
| } |
| |
| phba->link_state = LPFC_LINK_DOWN; |
| |
| /* Only process IOCBs on ring 0 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, |
| "%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 */ |
| |
| 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 */ |
| |
| 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) |
| { |
| struct lpfc_vport *vport = phba->pport; |
| |
| /* Disable interrupts */ |
| writel(0, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| |
| list_for_each_entry(vport, &phba->port_list, listentry) { |
| lpfc_cleanup_discovery_resources(vport); |
| } |
| |
| return 0; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_hba_down_post */ |
| /* This routine will do uninitialization after the HBA is reset */ |
| /* when bringing down the SLI Layer. */ |
| /* This routine returns 0 on success. Any other return value */ |
| /* indicates an error. */ |
| /* */ |
| /************************************************************************/ |
| int |
| lpfc_hba_down_post(struct lpfc_hba *phba) |
| { |
| struct lpfc_sli *psli = &phba->sli; |
| struct lpfc_sli_ring *pring; |
| struct lpfc_dmabuf *mp, *next_mp; |
| int i; |
| |
| 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); |
| } |
| } |
| |
| for (i = 0; i < psli->num_rings; i++) { |
| pring = &psli->ring[i]; |
| lpfc_sli_abort_iocb_ring(phba, pring); |
| } |
| |
| return 0; |
| } |
| |
| /* HBA heart beat timeout handler */ |
| 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->fc_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; |
| int retval; |
| struct lpfc_sli *psli = &phba->sli; |
| |
| if ((phba->link_state == LPFC_HBA_ERROR) || |
| (phba->pport->fc_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 there is no heart beat outstanding, issue a heartbeat command */ |
| 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, |
| "%d:0459 Adapter heartbeat failure, taking " |
| "this port offline.\n", phba->brd_no); |
| |
| 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); |
| } |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* 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 *port_iterator; |
| uint32_t event_data; |
| struct Scsi_Host *shost; |
| |
| /* 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 (phba->work_hs & HS_FFER6 || |
| phba->work_hs & HS_FFER5) { |
| /* Re-establishing Link */ |
| 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, phba->work_hs, |
| phba->work_status[0], phba->work_status[1]); |
| list_for_each_entry(port_iterator, &phba->port_list, |
| listentry) { |
| shost = lpfc_shost_from_vport(port_iterator); |
| |
| spin_lock_irq(shost->host_lock); |
| port_iterator->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); |
| |
| /* |
| * 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 { |
| /* 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, 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); |
| |
| 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); |
| } |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* 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; |
| struct lpfc_vport *port_iterator; |
| LPFC_MBOXQ_t *pmb; |
| volatile uint32_t control; |
| struct lpfc_dmabuf *mp; |
| int rc = -ENOMEM; |
| |
| pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!pmb) |
| goto lpfc_handle_latt_err_exit; |
| |
| mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
| if (!mp) |
| goto lpfc_handle_latt_free_pmb; |
| |
| mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); |
| if (!mp->virt) |
| goto lpfc_handle_latt_free_mp; |
| |
| rc = -EIO; |
| |
| /* Cleanup any outstanding ELS commands */ |
| list_for_each_entry(port_iterator, &phba->port_list, listentry) |
| lpfc_els_flush_cmd(port_iterator); |
| |
| 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 | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) |
| 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; |
| |
| /* The other case is an error from issue_mbox */ |
| if (rc == -ENOMEM) |
| lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, |
| "%d:0300 READ_LA: no buffers\n", |
| phba->brd_no); |
| |
| 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, |
| "%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]); |
| 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 = {"<Unknown>", 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 == 0 || mp1->virt == 0) { |
| 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 == 0 || mp2->virt == 0) { |
| 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 = kmalloc(80 * sizeof(uint32_t), GFP_KERNEL); |
| 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_cleanup(struct lpfc_vport *vport) |
| { |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| |
| /* clean up phba - lpfc specific */ |
| lpfc_can_disctmo(vport); |
| list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) |
| lpfc_nlp_put(ndlp); |
| return; |
| } |
| |
| static void |
| lpfc_establish_link_tmo(unsigned long ptr) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba *) ptr; |
| struct lpfc_vport *vport = phba->pport; |
| unsigned long 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, vport->fc_flag, |
| vport->port_state); |
| list_for_each_entry(vport, &phba->port_list, listentry) { |
| struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| |
| spin_lock_irqsave(shost->host_lock, iflag); |
| vport->fc_flag &= ~FC_ESTABLISH_LINK; |
| spin_unlock_irqrestore(shost->host_lock, iflag); |
| } |
| } |
| |
| 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) |
| { |
| struct lpfc_vport *vport; |
| |
| del_timer_sync(&phba->fcp_poll_timer); |
| del_timer_sync(&phba->fc_estabtmo); |
| list_for_each_entry(vport, &phba->port_list, listentry) |
| lpfc_stop_vport_timers(vport); |
| 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; |
| } |
| |
| int |
| lpfc_online(struct lpfc_hba *phba) |
| { |
| struct lpfc_vport *vport = phba->pport; |
| |
| if (!phba) |
| return 0; |
| |
| if (!(vport->fc_flag & FC_OFFLINE_MODE)) |
| return 0; |
| |
| lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
| "%d:0458 Bring Adapter online\n", |
| phba->brd_no); |
| |
| 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; |
| } |
| |
| list_for_each_entry(vport, &phba->port_list, listentry) { |
| struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| spin_lock_irq(shost->host_lock); |
| vport->fc_flag &= ~FC_OFFLINE_MODE; |
| if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) |
| vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
| spin_unlock_irq(shost->host_lock); |
| } |
| |
| lpfc_unblock_mgmt_io(phba); |
| return 0; |
| } |
| |
| 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); |
| } |
| |
| 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; |
| |
| if (vport->fc_flag & FC_OFFLINE_MODE) |
| return; |
| |
| lpfc_block_mgmt_io(phba); |
| |
| lpfc_linkdown(phba); |
| |
| /* Issue an unreg_login to all nodes */ |
| list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) |
| if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) |
| lpfc_unreg_rpi(vport, ndlp); |
| |
| lpfc_sli_flush_mbox_queue(phba); |
| } |
| |
| void |
| lpfc_offline(struct lpfc_hba *phba) |
| { |
| struct lpfc_vport *vport = phba->pport; |
| struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
| struct lpfc_vport *port_iterator; |
| |
| if (vport->fc_flag & FC_OFFLINE_MODE) |
| return; |
| |
| /* stop all timers associated with this hba */ |
| lpfc_stop_phba_timers(phba); |
| list_for_each_entry(port_iterator, &phba->port_list, listentry) { |
| port_iterator->work_port_events = 0; |
| } |
| |
| 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); |
| spin_lock_irq(&phba->hbalock); |
| phba->work_ha = 0; |
| vport->fc_flag |= FC_OFFLINE_MODE; |
| spin_unlock_irq(&phba->hbalock); |
| list_for_each_entry(port_iterator, &phba->port_list, listentry) { |
| shost = lpfc_shost_from_vport(port_iterator); |
| |
| lpfc_cleanup(port_iterator); |
| spin_lock_irq(shost->host_lock); |
| vport->work_port_events = 0; |
| vport->fc_flag |= FC_OFFLINE_MODE; |
| spin_unlock_irq(shost->host_lock); |
| } |
| } |
| |
| /****************************************************************************** |
| * 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 fc_vport *fc_vport) |
| { |
| struct lpfc_vport *vport; |
| struct Scsi_Host *shost; |
| int error = 0; |
| |
| 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; |
| |
| shost->unique_id = instance; |
| shost->max_id = LPFC_MAX_TARGET; |
| shost->max_lun = phba->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 (fc_vport != NULL) { |
| 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; |
| |
| if (fc_vport != NULL) { |
| error = scsi_add_host(shost, &fc_vport->dev); |
| } else { |
| error = scsi_add_host(shost, &phba->pcidev->dev); |
| } |
| if (error) |
| goto out_put_shost; |
| |
| list_add_tail(&vport->listentry, &phba->port_list); |
| 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->fc_flag & FC_UNLOADING) { |
| stat = 1; |
| goto finished; |
| } |
| if (time >= 30 * HZ) { |
| lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
| "%d:0461 Scanning longer than 30 " |
| "seconds. Continuing initialization\n", |
| phba->brd_no); |
| stat = 1; |
| goto finished; |
| } |
| if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { |
| lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
| "%d:0465 Link down longer than 15 " |
| "seconds. Continuing initialization\n", |
| phba->brd_no); |
| 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_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->fc_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; |
| unsigned long bar0map_len, bar2map_len; |
| int error = -ENODEV; |
| int i; |
| uint16_t iotag; |
| |
| if (pci_enable_device(pdev)) |
| goto out; |
| if (pci_request_regions(pdev, 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); |
| INIT_LIST_HEAD(&phba->hbq_buffer_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; |
| |
| 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); |
| |
| error = lpfc_mem_alloc(phba); |
| if (error) |
| 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); |
| |
| vport = lpfc_create_port(phba, phba->brd_no, NULL); |
| 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) { |
| error = pci_enable_msi(phba->pcidev); |
| if (error) |
| lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "%d:0452 " |
| "Enable MSI failed, continuing with " |
| "IRQ\n", phba->brd_no); |
| } |
| |
| error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, |
| LPFC_DRIVER_NAME, phba); |
| if (error) { |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| "%d:0451 Enable interrupt handler failed\n", |
| phba->brd_no); |
| 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)) |
| goto out_free_irq; |
| |
| if (lpfc_sli_hba_setup(phba)) |
| 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->fc_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: |
| 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_regions(pdev); |
| 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; |
| struct lpfc_vport *port_iterator; |
| list_for_each_entry(port_iterator, &phba->port_list, listentry) |
| port_iterator->load_flag |= FC_UNLOADING; |
| |
| kfree(vport->vname); |
| lpfc_free_sysfs_attr(vport); |
| |
| fc_remove_host(shost); |
| scsi_remove_host(shost); |
| |
| /* |
| * 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); |
| lpfc_cleanup(vport); |
| |
| kthread_stop(phba->worker_thread); |
| |
| /* Release the irq reservation */ |
| free_irq(phba->pcidev->irq, phba); |
| 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_regions(pdev); |
| 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 *host = pci_get_drvdata(pdev); |
| struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata; |
| 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); |
| |
| /* 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 *host = pci_get_drvdata(pdev); |
| struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata; |
| struct lpfc_sli *psli = &phba->sli; |
| int bars = pci_select_bars(pdev, IORESOURCE_MEM); |
| |
| dev_printk(KERN_INFO, &pdev->dev, "recovering from a slot reset.\n"); |
| if (pci_enable_device_bars(pdev, bars)) { |
| 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(host->host_lock); |
| phba->pport->fc_flag |= FC_ESTABLISH_LINK; |
| spin_unlock_irq(host->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 *host = pci_get_drvdata(pdev); |
| struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata; |
| |
| 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"); |
| |
| lpfc_transport_template = |
| fc_attach_transport(&lpfc_transport_functions); |
| lpfc_vport_transport_template = |
| fc_attach_transport(&lpfc_vport_transport_functions); |
| if (!lpfc_transport_template || !lpfc_vport_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); |
| 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); |