| /******************************************************************* |
| * This file is part of the Emulex Linux Device Driver for * |
| * Fibre Channel Host Bus Adapters. * |
| * Copyright (C) 2004-2005 Emulex. All rights reserved. * |
| * EMULEX and SLI are trademarks of Emulex. * |
| * www.emulex.com * |
| * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| * * |
| * This program is free software; you can redistribute it and/or * |
| * modify it under the terms of 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 <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_version.h" |
| |
| static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *); |
| 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 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"; |
| |
| pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!pmb) { |
| phba->hba_state = LPFC_HBA_ERROR; |
| return -ENOMEM; |
| } |
| |
| mb = &pmb->mb; |
| phba->hba_state = LPFC_INIT_MBX_CMDS; |
| |
| if (lpfc_is_LC_HBA(phba->pcidev->device)) { |
| uint32_t *ptext = (uint32_t *) licensed; |
| |
| for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) |
| *ptext = cpu_to_be32(*ptext); |
| |
| 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 (mb->un.varRDnvp.nodename)); |
| } |
| |
| /* 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 HBA's current state is provided by the ProgType and rr fields. |
| * Read and check the value of these fields before continuing to config |
| * this port. |
| */ |
| if (mb->un.varRdRev.rr == 0 || mb->un.varRdRev.un.b.ProgType != 2) { |
| /* Old firmware */ |
| vp->rev.rBit = 0; |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_INIT, |
| "%d:0440 Adapter failed to init, mbxCmd x%x " |
| "READ_REV detected outdated firmware" |
| "Data: x%x\n", |
| phba->brd_no, |
| mb->mbxCommand, 0); |
| mempool_free(pmb, phba->mbox_mem_pool); |
| return -ERESTART; |
| } else { |
| vp->rev.rBit = 1; |
| vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; |
| memcpy(vp->rev.sli1FwName, |
| (char*)mb->un.varRdRev.sli1FwName, 16); |
| vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; |
| memcpy(vp->rev.sli2FwName, |
| (char *)mb->un.varRdRev.sli2FwName, 16); |
| } |
| |
| /* Save information as VPD data */ |
| vp->rev.biuRev = mb->un.varRdRev.biuRev; |
| vp->rev.smRev = mb->un.varRdRev.smRev; |
| vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; |
| vp->rev.endecRev = mb->un.varRdRev.endecRev; |
| vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; |
| vp->rev.fcphLow = mb->un.varRdRev.fcphLow; |
| vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; |
| vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; |
| vp->rev.postKernRev = mb->un.varRdRev.postKernRev; |
| vp->rev.opFwRev = mb->un.varRdRev.opFwRev; |
| |
| if (lpfc_is_LC_HBA(phba->pcidev->device)) |
| memcpy(phba->RandomData, (char *)&mb->un.varWords[24], |
| sizeof (phba->RandomData)); |
| |
| /* Get the default values for Model Name and Description */ |
| lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); |
| |
| /* 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); |
| kfree(lpfc_vpd_data); |
| lpfc_vpd_data = NULL; |
| break; |
| } |
| |
| 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); |
| lpfc_parse_vpd(phba, lpfc_vpd_data); |
| |
| 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) |
| { |
| LPFC_MBOXQ_t *pmb; |
| MAILBOX_t *mb; |
| struct lpfc_dmabuf *mp; |
| struct lpfc_sli *psli = &phba->sli; |
| uint32_t status, timeout; |
| int i, j, rc; |
| |
| pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!pmb) { |
| phba->hba_state = LPFC_HBA_ERROR; |
| return -ENOMEM; |
| } |
| mb = &pmb->mb; |
| |
| lpfc_config_link(phba, pmb); |
| rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); |
| if (rc != MBX_SUCCESS) { |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_INIT, |
| "%d:0447 Adapter failed init, mbxCmd x%x " |
| "CONFIG_LINK mbxStatus x%x\n", |
| phba->brd_no, |
| mb->mbxCommand, mb->mbxStatus); |
| phba->hba_state = LPFC_HBA_ERROR; |
| mempool_free( pmb, phba->mbox_mem_pool); |
| return -EIO; |
| } |
| |
| /* Get login parameters for NID. */ |
| lpfc_read_sparam(phba, pmb); |
| if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_INIT, |
| "%d:0448 Adapter failed init, mbxCmd x%x " |
| "READ_SPARM mbxStatus x%x\n", |
| phba->brd_no, |
| mb->mbxCommand, mb->mbxStatus); |
| phba->hba_state = LPFC_HBA_ERROR; |
| 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(&phba->fc_sparam, mp->virt, sizeof (struct serv_parm)); |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| pmb->context1 = NULL; |
| |
| memcpy(&phba->fc_nodename, &phba->fc_sparam.nodeName, |
| sizeof (struct lpfc_name)); |
| memcpy(&phba->fc_portname, &phba->fc_sparam.portName, |
| sizeof (struct lpfc_name)); |
| /* If no serial number in VPD data, use low 6 bytes of WWNN */ |
| /* This should be consolidated into parse_vpd ? - mr */ |
| if (phba->SerialNumber[0] == 0) { |
| uint8_t *outptr; |
| |
| outptr = &phba->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)); |
| } |
| } |
| |
| /* This should turn on DELAYED ABTS for ELS timeouts */ |
| lpfc_set_slim(phba, pmb, 0x052198, 0x1); |
| if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
| phba->hba_state = LPFC_HBA_ERROR; |
| mempool_free( pmb, phba->mbox_mem_pool); |
| return -EIO; |
| } |
| |
| |
| lpfc_read_config(phba, pmb); |
| if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_INIT, |
| "%d:0453 Adapter failed to init, mbxCmd x%x " |
| "READ_CONFIG, mbxStatus x%x\n", |
| phba->brd_no, |
| mb->mbxCommand, mb->mbxStatus); |
| phba->hba_state = LPFC_HBA_ERROR; |
| mempool_free( pmb, phba->mbox_mem_pool); |
| return -EIO; |
| } |
| |
| /* Reset the DFT_HBA_Q_DEPTH to the max xri */ |
| if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) |
| phba->cfg_hba_queue_depth = |
| mb->un.varRdConfig.max_xri + 1; |
| |
| phba->lmt = mb->un.varRdConfig.lmt; |
| /* HBA is not 4GB capable, or HBA is not 2GB capable, |
| don't let link speed ask for it */ |
| if ((((phba->lmt & LMT_4250_10bit) != LMT_4250_10bit) && |
| (phba->cfg_link_speed > LINK_SPEED_2G)) || |
| (((phba->lmt & LMT_2125_10bit) != LMT_2125_10bit) && |
| (phba->cfg_link_speed > LINK_SPEED_1G))) { |
| /* Reset link speed to auto. 1G/2GB HBA cfg'd for 4G */ |
| lpfc_printf_log(phba, |
| KERN_WARNING, |
| LOG_LINK_EVENT, |
| "%d:1302 Invalid speed for this board: " |
| "Reset link speed to auto: x%x\n", |
| phba->brd_no, |
| phba->cfg_link_speed); |
| phba->cfg_link_speed = LINK_SPEED_AUTO; |
| } |
| |
| phba->hba_state = LPFC_LINK_DOWN; |
| |
| /* Only process IOCBs on ring 0 till hba_state is READY */ |
| if (psli->ring[psli->ip_ring].cmdringaddr) |
| psli->ring[psli->ip_ring].flag |= LPFC_STOP_IOCB_EVENT; |
| if (psli->ring[psli->fcp_ring].cmdringaddr) |
| psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; |
| if (psli->ring[psli->next_ring].cmdringaddr) |
| psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; |
| |
| /* Post receive buffers for desired rings */ |
| lpfc_post_rcv_buf(phba); |
| |
| /* Enable appropriate host interrupts */ |
| spin_lock_irq(phba->host->host_lock); |
| 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; |
| |
| writel(status, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| spin_unlock_irq(phba->host->host_lock); |
| |
| /* |
| * Setup the ring 0 (els) timeout handler |
| */ |
| timeout = phba->fc_ratov << 1; |
| phba->els_tmofunc.expires = jiffies + HZ * timeout; |
| add_timer(&phba->els_tmofunc); |
| |
| lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); |
| pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| if (lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT) != MBX_SUCCESS) { |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_INIT, |
| "%d:0454 Adapter failed to init, mbxCmd x%x " |
| "INIT_LINK, mbxStatus x%x\n", |
| phba->brd_no, |
| mb->mbxCommand, mb->mbxStatus); |
| |
| /* Clear all interrupt enable conditions */ |
| writel(0, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| /* Clear all pending interrupts */ |
| writel(0xffffffff, phba->HAregaddr); |
| readl(phba->HAregaddr); /* flush */ |
| |
| phba->hba_state = LPFC_HBA_ERROR; |
| mempool_free(pmb, phba->mbox_mem_pool); |
| return -EIO; |
| } |
| /* MBOX buffer will be freed in mbox compl */ |
| |
| i = 0; |
| while ((phba->hba_state != LPFC_HBA_READY) || |
| (phba->num_disc_nodes) || (phba->fc_prli_sent) || |
| ((phba->fc_map_cnt == 0) && (i<2)) || |
| (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) { |
| /* Check every second for 30 retries. */ |
| i++; |
| if (i > 30) { |
| break; |
| } |
| if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) { |
| /* The link is down. Set linkdown timeout */ |
| break; |
| } |
| |
| /* Delay for 1 second to give discovery time to complete. */ |
| msleep(1000); |
| |
| } |
| |
| /* Since num_disc_nodes keys off of PLOGI, delay a bit to let |
| * any potential PRLIs to flush thru the SLI sub-system. |
| */ |
| msleep(50); |
| |
| return (0); |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_hba_down_prep */ |
| /* This routine will do LPFC uninitialization before the */ |
| /* HBA is reset when bringing down the SLI Layer. This will be */ |
| /* initialized as a SLI layer callback routine. */ |
| /* This routine returns 0 on success. Any other return value */ |
| /* indicates an error. */ |
| /* */ |
| /************************************************************************/ |
| int |
| lpfc_hba_down_prep(struct lpfc_hba * phba) |
| { |
| /* Disable interrupts */ |
| writel(0, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| |
| /* Cleanup potential discovery resources */ |
| lpfc_els_flush_rscn(phba); |
| lpfc_els_flush_cmd(phba); |
| lpfc_disc_flush_list(phba); |
| |
| return (0); |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_handle_eratt */ |
| /* This routine will handle processing a Host Attention */ |
| /* Error Status event. This will be initialized */ |
| /* as a SLI layer callback routine. */ |
| /* */ |
| /************************************************************************/ |
| void |
| lpfc_handle_eratt(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli *psli = &phba->sli; |
| struct lpfc_sli_ring *pring; |
| |
| /* |
| * If a reset is sent to the HBA restore PCI configuration registers. |
| */ |
| if ( phba->hba_state == LPFC_INIT_START ) { |
| mdelay(1); |
| readl(phba->HCregaddr); /* flush */ |
| writel(0, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| |
| /* Restore PCI cmd register */ |
| pci_write_config_word(phba->pcidev, |
| PCI_COMMAND, phba->pci_cfg_value); |
| } |
| |
| if (phba->work_hs & HS_FFER6) { |
| /* 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]); |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag |= FC_ESTABLISH_LINK; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| /* |
| * 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(phba); |
| if (lpfc_online(phba) == 0) { /* Initialize the HBA */ |
| mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); |
| return; |
| } |
| } else { |
| /* The if clause above forces this code path when the status |
| * failure is a value other than FFER6. Do not call the offline |
| * twice. This is the adapter hardware error path. |
| */ |
| lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
| "%d:0457 Adapter Hardware Error " |
| "Data: x%x x%x x%x\n", |
| phba->brd_no, phba->work_hs, |
| phba->work_status[0], phba->work_status[1]); |
| |
| lpfc_offline(phba); |
| |
| /* |
| * Restart all traffic to this host. Since the fc_transport |
| * block functions (future) were not called in lpfc_offline, |
| * don't call them here. |
| */ |
| scsi_unblock_requests(phba->host); |
| } |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_handle_latt */ |
| /* This routine will handle processing a Host Attention */ |
| /* Link Status event. This will be initialized */ |
| /* as a SLI layer callback routine. */ |
| /* */ |
| /************************************************************************/ |
| void |
| lpfc_handle_latt(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli *psli = &phba->sli; |
| 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; |
| |
| |
| psli->slistat.link_event++; |
| lpfc_read_la(phba, pmb, mp); |
| pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; |
| rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) |
| goto lpfc_handle_latt_free_mp; |
| |
| /* Clear Link Attention in HA REG */ |
| spin_lock_irq(phba->host->host_lock); |
| writel(HA_LATT, phba->HAregaddr); |
| readl(phba->HAregaddr); /* flush */ |
| spin_unlock_irq(phba->host->host_lock); |
| |
| return; |
| |
| lpfc_handle_latt_free_mp: |
| kfree(mp); |
| lpfc_handle_latt_free_pmb: |
| kfree(pmb); |
| lpfc_handle_latt_err_exit: |
| /* Enable Link attention interrupts */ |
| spin_lock_irq(phba->host->host_lock); |
| 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->host->host_lock); |
| lpfc_linkdown(phba); |
| phba->hba_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) |
| { |
| uint8_t lenlo, lenhi; |
| uint32_t 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]); |
| do { |
| switch (vpd[index]) { |
| case 0x82: |
| index += 1; |
| lenlo = vpd[index]; |
| index += 1; |
| lenhi = vpd[index]; |
| index += 1; |
| i = ((((unsigned short)lenhi) << 8) + lenlo); |
| index += i; |
| break; |
| case 0x90: |
| index += 1; |
| lenlo = vpd[index]; |
| index += 1; |
| lenhi = vpd[index]; |
| index += 1; |
| Length = ((((unsigned short)lenhi) << 8) + lenlo); |
| |
| 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; |
| } |
| } while (!finished && (index < 108)); |
| |
| return(1); |
| } |
| |
| static void |
| lpfc_get_hba_model_desc(struct lpfc_hba * phba, uint8_t * mdp, uint8_t * descp) |
| { |
| lpfc_vpd_t *vp; |
| uint32_t id; |
| char str[16]; |
| |
| vp = &phba->vpd; |
| pci_read_config_dword(phba->pcidev, PCI_VENDOR_ID, &id); |
| |
| switch ((id >> 16) & 0xffff) { |
| case PCI_DEVICE_ID_FIREFLY: |
| strcpy(str, "LP6000 1"); |
| break; |
| case PCI_DEVICE_ID_SUPERFLY: |
| if (vp->rev.biuRev >= 1 && vp->rev.biuRev <= 3) |
| strcpy(str, "LP7000 1"); |
| else |
| strcpy(str, "LP7000E 1"); |
| break; |
| case PCI_DEVICE_ID_DRAGONFLY: |
| strcpy(str, "LP8000 1"); |
| break; |
| case PCI_DEVICE_ID_CENTAUR: |
| if (FC_JEDEC_ID(vp->rev.biuRev) == CENTAUR_2G_JEDEC_ID) |
| strcpy(str, "LP9002 2"); |
| else |
| strcpy(str, "LP9000 1"); |
| break; |
| case PCI_DEVICE_ID_RFLY: |
| strcpy(str, "LP952 2"); |
| break; |
| case PCI_DEVICE_ID_PEGASUS: |
| strcpy(str, "LP9802 2"); |
| break; |
| case PCI_DEVICE_ID_THOR: |
| strcpy(str, "LP10000 2"); |
| break; |
| case PCI_DEVICE_ID_VIPER: |
| strcpy(str, "LPX1000 10"); |
| break; |
| case PCI_DEVICE_ID_PFLY: |
| strcpy(str, "LP982 2"); |
| break; |
| case PCI_DEVICE_ID_TFLY: |
| strcpy(str, "LP1050 2"); |
| break; |
| case PCI_DEVICE_ID_HELIOS: |
| strcpy(str, "LP11000 4"); |
| break; |
| case PCI_DEVICE_ID_BMID: |
| strcpy(str, "LP1150 4"); |
| break; |
| case PCI_DEVICE_ID_BSMB: |
| strcpy(str, "LP111 4"); |
| break; |
| case PCI_DEVICE_ID_ZEPHYR: |
| strcpy(str, "LP11000e 4"); |
| break; |
| case PCI_DEVICE_ID_ZMID: |
| strcpy(str, "LP1150e 4"); |
| break; |
| case PCI_DEVICE_ID_ZSMB: |
| strcpy(str, "LP111e 4"); |
| break; |
| case PCI_DEVICE_ID_LP101: |
| strcpy(str, "LP101 2"); |
| break; |
| case PCI_DEVICE_ID_LP10000S: |
| strcpy(str, "LP10000-S 2"); |
| break; |
| default: |
| memset(str, 0, 16); |
| break; |
| } |
| if (mdp) |
| sscanf(str, "%s", mdp); |
| if (descp) |
| sprintf(descp, "Emulex LightPulse %s Gigabit PCI Fibre " |
| "Channel Adapter", str); |
| } |
| |
| /**************************************************/ |
| /* 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 list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; |
| struct lpfc_iocbq *iocb = NULL; |
| struct lpfc_dmabuf *mp1, *mp2; |
| |
| cnt += pring->missbufcnt; |
| |
| /* While there are buffers to post */ |
| while (cnt > 0) { |
| /* Allocate buffer for command iocb */ |
| spin_lock_irq(phba->host->host_lock); |
| list_remove_head(lpfc_iocb_list, iocb, struct lpfc_iocbq, list); |
| spin_unlock_irq(phba->host->host_lock); |
| if (iocb == NULL) { |
| pring->missbufcnt = cnt; |
| return cnt; |
| } |
| memset(iocb, 0, sizeof (struct lpfc_iocbq)); |
| icmd = &iocb->iocb; |
| |
| /* 2 buffers can be posted per command */ |
| /* Allocate buffer to post */ |
| mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); |
| if (mp1) |
| mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| &mp1->phys); |
| if (mp1 == 0 || mp1->virt == 0) { |
| if (mp1) |
| kfree(mp1); |
| spin_lock_irq(phba->host->host_lock); |
| list_add_tail(&iocb->list, lpfc_iocb_list); |
| spin_unlock_irq(phba->host->host_lock); |
| pring->missbufcnt = cnt; |
| return cnt; |
| } |
| |
| INIT_LIST_HEAD(&mp1->list); |
| /* Allocate buffer to post */ |
| if (cnt > 1) { |
| mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); |
| if (mp2) |
| mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
| &mp2->phys); |
| if (mp2 == 0 || mp2->virt == 0) { |
| if (mp2) |
| kfree(mp2); |
| lpfc_mbuf_free(phba, mp1->virt, mp1->phys); |
| kfree(mp1); |
| spin_lock_irq(phba->host->host_lock); |
| list_add_tail(&iocb->list, lpfc_iocb_list); |
| spin_unlock_irq(phba->host->host_lock); |
| 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; |
| |
| spin_lock_irq(phba->host->host_lock); |
| 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++; |
| } |
| list_add_tail(&iocb->list, lpfc_iocb_list); |
| pring->missbufcnt = cnt; |
| spin_unlock_irq(phba->host->host_lock); |
| return cnt; |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| lpfc_sli_ringpostbuf_put(phba, pring, mp1); |
| if (mp2) { |
| lpfc_sli_ringpostbuf_put(phba, pring, mp2); |
| } |
| } |
| pring->missbufcnt = 0; |
| return 0; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_post_rcv_buf */ |
| /* This routine post initial rcv buffers to the configured rings */ |
| /* */ |
| /************************************************************************/ |
| static int |
| lpfc_post_rcv_buf(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli *psli = &phba->sli; |
| |
| /* Ring 0, ELS / CT buffers */ |
| lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); |
| /* Ring 2 - FCP no buffers needed */ |
| |
| return 0; |
| } |
| |
| #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_sha_init */ |
| /* */ |
| /************************************************************************/ |
| static void |
| lpfc_sha_init(uint32_t * HashResultPointer) |
| { |
| HashResultPointer[0] = 0x67452301; |
| HashResultPointer[1] = 0xEFCDAB89; |
| HashResultPointer[2] = 0x98BADCFE; |
| HashResultPointer[3] = 0x10325476; |
| HashResultPointer[4] = 0xC3D2E1F0; |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_sha_iterate */ |
| /* */ |
| /************************************************************************/ |
| static void |
| lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) |
| { |
| int t; |
| uint32_t TEMP; |
| uint32_t A, B, C, D, E; |
| t = 16; |
| do { |
| HashWorkingPointer[t] = |
| S(1, |
| HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - |
| 8] ^ |
| HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); |
| } while (++t <= 79); |
| t = 0; |
| A = HashResultPointer[0]; |
| B = HashResultPointer[1]; |
| C = HashResultPointer[2]; |
| D = HashResultPointer[3]; |
| E = HashResultPointer[4]; |
| |
| do { |
| if (t < 20) { |
| TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; |
| } else if (t < 40) { |
| TEMP = (B ^ C ^ D) + 0x6ED9EBA1; |
| } else if (t < 60) { |
| TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; |
| } else { |
| TEMP = (B ^ C ^ D) + 0xCA62C1D6; |
| } |
| TEMP += S(5, A) + E + HashWorkingPointer[t]; |
| E = D; |
| D = C; |
| C = S(30, B); |
| B = A; |
| A = TEMP; |
| } while (++t <= 79); |
| |
| HashResultPointer[0] += A; |
| HashResultPointer[1] += B; |
| HashResultPointer[2] += C; |
| HashResultPointer[3] += D; |
| HashResultPointer[4] += E; |
| |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_challenge_key */ |
| /* */ |
| /************************************************************************/ |
| static void |
| lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) |
| { |
| *HashWorking = (*RandomChallenge ^ *HashWorking); |
| } |
| |
| /************************************************************************/ |
| /* */ |
| /* lpfc_hba_init */ |
| /* */ |
| /************************************************************************/ |
| void |
| lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) |
| { |
| int t; |
| uint32_t *HashWorking; |
| uint32_t *pwwnn = phba->wwnn; |
| |
| HashWorking = kmalloc(80 * sizeof(uint32_t), GFP_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_hba * phba, uint32_t save_bind) |
| { |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| |
| /* clean up phba - lpfc specific */ |
| lpfc_can_disctmo(phba); |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, |
| nlp_listp) { |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, |
| nlp_listp) { |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, |
| nlp_listp) { |
| lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| } |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, |
| nlp_listp) { |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, |
| nlp_listp) { |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list, |
| nlp_listp) { |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, |
| nlp_listp) { |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| nlp_listp) { |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| |
| INIT_LIST_HEAD(&phba->fc_nlpmap_list); |
| INIT_LIST_HEAD(&phba->fc_nlpunmap_list); |
| INIT_LIST_HEAD(&phba->fc_unused_list); |
| INIT_LIST_HEAD(&phba->fc_plogi_list); |
| INIT_LIST_HEAD(&phba->fc_adisc_list); |
| INIT_LIST_HEAD(&phba->fc_reglogin_list); |
| INIT_LIST_HEAD(&phba->fc_prli_list); |
| INIT_LIST_HEAD(&phba->fc_npr_list); |
| |
| phba->fc_map_cnt = 0; |
| phba->fc_unmap_cnt = 0; |
| phba->fc_plogi_cnt = 0; |
| phba->fc_adisc_cnt = 0; |
| phba->fc_reglogin_cnt = 0; |
| phba->fc_prli_cnt = 0; |
| phba->fc_npr_cnt = 0; |
| phba->fc_unused_cnt= 0; |
| return; |
| } |
| |
| static void |
| lpfc_establish_link_tmo(unsigned long ptr) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba *)ptr; |
| 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, phba->fc_flag, phba->hba_state); |
| spin_lock_irqsave(phba->host->host_lock, iflag); |
| phba->fc_flag &= ~FC_ESTABLISH_LINK; |
| spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| } |
| |
| static int |
| lpfc_stop_timer(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli *psli = &phba->sli; |
| |
| /* Instead of a timer, this has been converted to a |
| * deferred procedding list. |
| */ |
| while (!list_empty(&phba->freebufList)) { |
| |
| struct lpfc_dmabuf *mp = NULL; |
| |
| list_remove_head((&phba->freebufList), mp, |
| struct lpfc_dmabuf, list); |
| if (mp) { |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| } |
| } |
| |
| del_timer_sync(&phba->fc_estabtmo); |
| del_timer_sync(&phba->fc_disctmo); |
| del_timer_sync(&phba->fc_fdmitmo); |
| del_timer_sync(&phba->els_tmofunc); |
| psli = &phba->sli; |
| del_timer_sync(&psli->mbox_tmo); |
| return(1); |
| } |
| |
| int |
| lpfc_online(struct lpfc_hba * phba) |
| { |
| if (!phba) |
| return 0; |
| |
| if (!(phba->fc_flag & FC_OFFLINE_MODE)) |
| return 0; |
| |
| lpfc_printf_log(phba, |
| KERN_WARNING, |
| LOG_INIT, |
| "%d:0458 Bring Adapter online\n", |
| phba->brd_no); |
| |
| if (!lpfc_sli_queue_setup(phba)) |
| return 1; |
| |
| if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */ |
| return 1; |
| |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_OFFLINE_MODE; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| /* |
| * Restart all traffic to this host. Since the fc_transport block |
| * functions (future) were not called in lpfc_offline, don't call them |
| * here. |
| */ |
| scsi_unblock_requests(phba->host); |
| return 0; |
| } |
| |
| int |
| lpfc_offline(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli_ring *pring; |
| struct lpfc_sli *psli; |
| unsigned long iflag; |
| int i = 0; |
| |
| if (!phba) |
| return 0; |
| |
| if (phba->fc_flag & FC_OFFLINE_MODE) |
| return 0; |
| |
| /* |
| * Don't call the fc_transport block api (future). The device is |
| * going offline and causing a timer to fire in the midlayer is |
| * unproductive. Just block all new requests until the driver |
| * comes back online. |
| */ |
| scsi_block_requests(phba->host); |
| psli = &phba->sli; |
| pring = &psli->ring[psli->fcp_ring]; |
| |
| lpfc_linkdown(phba); |
| |
| /* The linkdown event takes 30 seconds to timeout. */ |
| while (pring->txcmplq_cnt) { |
| mdelay(10); |
| if (i++ > 3000) |
| break; |
| } |
| |
| /* stop all timers associated with this hba */ |
| lpfc_stop_timer(phba); |
| phba->work_hba_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); |
| lpfc_cleanup(phba, 1); |
| spin_lock_irqsave(phba->host->host_lock, iflag); |
| phba->fc_flag |= FC_OFFLINE_MODE; |
| spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| return 0; |
| } |
| |
| /****************************************************************************** |
| * 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->host->host_lock); |
| /* 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->host->host_lock); |
| |
| return 0; |
| } |
| |
| |
| static int __devinit |
| lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) |
| { |
| struct Scsi_Host *host; |
| struct lpfc_hba *phba; |
| struct lpfc_sli *psli; |
| struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; |
| unsigned long bar0map_len, bar2map_len; |
| int error = -ENODEV, retval; |
| int i; |
| |
| if (pci_enable_device(pdev)) |
| goto out; |
| if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) |
| goto out_disable_device; |
| |
| host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba)); |
| if (!host) |
| goto out_release_regions; |
| |
| phba = (struct lpfc_hba*)host->hostdata; |
| memset(phba, 0, sizeof (struct lpfc_hba)); |
| phba->host = host; |
| |
| phba->fc_flag |= FC_LOADING; |
| phba->pcidev = pdev; |
| |
| /* Assign an unused board number */ |
| if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) |
| goto out_put_host; |
| |
| error = idr_get_new(&lpfc_hba_index, NULL, &phba->brd_no); |
| if (error) |
| goto out_put_host; |
| |
| host->unique_id = phba->brd_no; |
| |
| INIT_LIST_HEAD(&phba->ctrspbuflist); |
| INIT_LIST_HEAD(&phba->rnidrspbuflist); |
| INIT_LIST_HEAD(&phba->freebufList); |
| |
| /* 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->fc_disctmo); |
| phba->fc_disctmo.function = lpfc_disc_timeout; |
| phba->fc_disctmo.data = (unsigned long)phba; |
| |
| init_timer(&phba->fc_fdmitmo); |
| phba->fc_fdmitmo.function = lpfc_fdmi_tmo; |
| phba->fc_fdmitmo.data = (unsigned long)phba; |
| init_timer(&phba->els_tmofunc); |
| phba->els_tmofunc.function = lpfc_els_timeout; |
| phba->els_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; |
| |
| /* |
| * Get all the module params for configuring this host and then |
| * establish the host parameters. |
| */ |
| lpfc_get_cfgparam(phba); |
| |
| host->max_id = LPFC_MAX_TARGET; |
| host->max_lun = phba->cfg_max_luns; |
| host->this_id = -1; |
| |
| /* Initialize all internally managed lists. */ |
| INIT_LIST_HEAD(&phba->fc_nlpmap_list); |
| INIT_LIST_HEAD(&phba->fc_nlpunmap_list); |
| INIT_LIST_HEAD(&phba->fc_unused_list); |
| INIT_LIST_HEAD(&phba->fc_plogi_list); |
| INIT_LIST_HEAD(&phba->fc_adisc_list); |
| INIT_LIST_HEAD(&phba->fc_reglogin_list); |
| INIT_LIST_HEAD(&phba->fc_prli_list); |
| INIT_LIST_HEAD(&phba->fc_npr_list); |
| |
| |
| pci_set_master(pdev); |
| retval = pci_set_mwi(pdev); |
| if (retval) |
| dev_printk(KERN_WARNING, &pdev->dev, |
| "Warning: pci_set_mwi returned %d\n", retval); |
| |
| 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 and Control Registers to a kernel virtual address. */ |
| phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); |
| phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); |
| |
| /* 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; |
| |
| |
| /* 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_slim; |
| |
| /* 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 = kmalloc(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; |
| } |
| |
| memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq)); |
| spin_lock_irq(phba->host->host_lock); |
| list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); |
| phba->total_iocbq_bufs++; |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| |
| /* 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; |
| } |
| |
| /* We can rely on a queue depth attribute only after SLI HBA setup */ |
| host->can_queue = phba->cfg_hba_queue_depth - 10; |
| |
| /* Tell the midlayer we support 16 byte commands */ |
| host->max_cmd_len = 16; |
| |
| /* Initialize the list of scsi buffers used by driver for scsi IO. */ |
| INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); |
| |
| host->transportt = lpfc_transport_template; |
| host->hostdata[0] = (unsigned long)phba; |
| pci_set_drvdata(pdev, host); |
| error = scsi_add_host(host, &pdev->dev); |
| if (error) |
| goto out_kthread_stop; |
| |
| error = lpfc_alloc_sysfs_attr(phba); |
| if (error) |
| goto out_kthread_stop; |
| |
| error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ, |
| 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_free_sysfs_attr; |
| } |
| 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; |
| |
| error = lpfc_sli_hba_setup(phba); |
| if (error) |
| goto out_free_irq; |
| |
| /* |
| * set fixed host attributes |
| * Must done after lpfc_sli_hba_setup() |
| */ |
| |
| fc_host_node_name(host) = wwn_to_u64(phba->fc_nodename.u.wwn); |
| fc_host_port_name(host) = wwn_to_u64(phba->fc_portname.u.wwn); |
| fc_host_supported_classes(host) = FC_COS_CLASS3; |
| |
| memset(fc_host_supported_fc4s(host), 0, |
| sizeof(fc_host_supported_fc4s(host))); |
| fc_host_supported_fc4s(host)[2] = 1; |
| fc_host_supported_fc4s(host)[7] = 1; |
| |
| lpfc_get_hba_sym_node_name(phba, fc_host_symbolic_name(host)); |
| |
| fc_host_supported_speeds(host) = 0; |
| switch (FC_JEDEC_ID(phba->vpd.rev.biuRev)) { |
| case VIPER_JEDEC_ID: |
| fc_host_supported_speeds(host) |= FC_PORTSPEED_10GBIT; |
| break; |
| case HELIOS_JEDEC_ID: |
| fc_host_supported_speeds(host) |= FC_PORTSPEED_4GBIT; |
| /* Fall through */ |
| case CENTAUR_2G_JEDEC_ID: |
| case PEGASUS_JEDEC_ID: |
| case THOR_JEDEC_ID: |
| fc_host_supported_speeds(host) |= FC_PORTSPEED_2GBIT; |
| /* Fall through */ |
| default: |
| fc_host_supported_speeds(host) = FC_PORTSPEED_1GBIT; |
| } |
| |
| fc_host_maxframe_size(host) = |
| ((((uint32_t) phba->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | |
| (uint32_t) phba->fc_sparam.cmn.bbRcvSizeLsb); |
| |
| /* This value is also unchanging */ |
| memset(fc_host_active_fc4s(host), 0, |
| sizeof(fc_host_active_fc4s(host))); |
| fc_host_active_fc4s(host)[2] = 1; |
| fc_host_active_fc4s(host)[7] = 1; |
| |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_LOADING; |
| spin_unlock_irq(phba->host->host_lock); |
| return 0; |
| |
| out_free_irq: |
| lpfc_stop_timer(phba); |
| phba->work_hba_events = 0; |
| free_irq(phba->pcidev->irq, phba); |
| out_free_sysfs_attr: |
| lpfc_free_sysfs_attr(phba); |
| 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) { |
| spin_lock_irq(phba->host->host_lock); |
| kfree(iocbq_entry); |
| phba->total_iocbq_bufs--; |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| lpfc_mem_free(phba); |
| out_free_slim: |
| dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, |
| phba->slim2p_mapping); |
| out_iounmap: |
| iounmap(phba->ctrl_regs_memmap_p); |
| iounmap(phba->slim_memmap_p); |
| out_idr_remove: |
| idr_remove(&lpfc_hba_index, phba->brd_no); |
| out_put_host: |
| scsi_host_put(host); |
| out_release_regions: |
| pci_release_regions(pdev); |
| out_disable_device: |
| pci_disable_device(pdev); |
| out: |
| return error; |
| } |
| |
| static void __devexit |
| lpfc_pci_remove_one(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *host = pci_get_drvdata(pdev); |
| struct lpfc_hba *phba = (struct lpfc_hba *)host->hostdata[0]; |
| unsigned long iflag; |
| |
| lpfc_free_sysfs_attr(phba); |
| |
| spin_lock_irqsave(phba->host->host_lock, iflag); |
| phba->fc_flag |= FC_UNLOADING; |
| |
| spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| |
| fc_remove_host(phba->host); |
| scsi_remove_host(phba->host); |
| |
| kthread_stop(phba->worker_thread); |
| |
| /* |
| * 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); |
| |
| /* Release the irq reservation */ |
| free_irq(phba->pcidev->irq, phba); |
| |
| lpfc_cleanup(phba, 0); |
| lpfc_stop_timer(phba); |
| phba->work_hba_events = 0; |
| |
| /* |
| * Call scsi_free before mem_free since scsi bufs are released to their |
| * corresponding pools here. |
| */ |
| lpfc_scsi_free(phba); |
| lpfc_mem_free(phba); |
| |
| /* 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); |
| |
| pci_release_regions(phba->pcidev); |
| pci_disable_device(phba->pcidev); |
| |
| idr_remove(&lpfc_hba_index, phba->brd_no); |
| scsi_host_put(phba->host); |
| |
| pci_set_drvdata(pdev, NULL); |
| } |
| |
| 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_HELIOS, |
| 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_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, }, |
| { 0 } |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, lpfc_id_table); |
| |
| 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), |
| }; |
| |
| 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); |
| if (!lpfc_transport_template) |
| return -ENOMEM; |
| error = pci_register_driver(&lpfc_driver); |
| if (error) |
| fc_release_transport(lpfc_transport_template); |
| |
| return error; |
| } |
| |
| static void __exit |
| lpfc_exit(void) |
| { |
| pci_unregister_driver(&lpfc_driver); |
| fc_release_transport(lpfc_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); |