Made link speed and link topology modifiable via sysfs Make scatter gather Segment Count into a module parameter. Signed-off-by: James Smart <James.Smart@xxxxxxxxxx> diff -upNr a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c --- a/drivers/scsi/lpfc/lpfc_attr.c 2008-01-11 01:04:21.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc_attr.c 2008-01-11 01:23:43.000000000 -0500 @@ -45,6 +45,10 @@ #define LPFC_MIN_DEVLOSS_TMO 1 #define LPFC_MAX_DEVLOSS_TMO 255 +#define LPFC_MAX_LINK_SPEED 8 +#define LPFC_LINK_SPEED_BITMAP 0x00000117 +#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" + static void lpfc_jedec_to_ascii(int incr, char hdw[]) { @@ -258,8 +262,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) int mbxstatus = MBXERR_ERROR; if ((vport->fc_flag & FC_OFFLINE_MODE) || - (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) || - (vport->port_state != LPFC_VPORT_READY)) + (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) return -EPERM; pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); @@ -1405,7 +1408,33 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. # Default value is 0. */ -LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology"); +static int +lpfc_topology_set(struct lpfc_hba *phba, int val) +{ + int err; + uint32_t prev_val; + if (val >= 0 && val <= 6) { + prev_val = phba->cfg_topology; + phba->cfg_topology = val; + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); + if (err) + phba->cfg_topology = prev_val; + return err; + } + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0467 lpfc_topology attribute cannot be set to %d, " + "allowed range is [0, 6]\n", + phba->brd_no, val); + return -EINVAL; +} +static int lpfc_topology = 0; +module_param(lpfc_topology, int, 0); +MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); +lpfc_param_show(topology) +lpfc_param_init(topology, 0, 0, 6) +lpfc_param_store(topology) +static CLASS_DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, + lpfc_topology_show, lpfc_topology_store); /* # lpfc_link_speed: Link speed selection for initializing the Fibre Channel @@ -1417,7 +1446,59 @@ LPFC_ATTR_RW(topology, 0, 0, 6, "Select # 8 = 8 Gigabaud # Value range is [0,8]. Default value is 0. */ -LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed"); +static int +lpfc_link_speed_set(struct lpfc_hba *phba, int val) +{ + int err; + uint32_t prev_val; + + if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || + ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || + ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || + ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || + ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) + return -EINVAL; + + if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { + prev_val = phba->cfg_link_speed; + phba->cfg_link_speed = val; + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); + if (err) + phba->cfg_link_speed = prev_val; + return err; + } + + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0469 lpfc_link_speed attribute cannot be set to %d, " + "allowed range is [0, 8]\n", + phba->brd_no, val); + return -EINVAL; +} + +static int lpfc_link_speed = 0; +module_param(lpfc_link_speed, int, 0); +MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); +lpfc_param_show(link_speed) +static int +lpfc_link_speed_init(struct lpfc_hba *phba, int val) +{ + if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { + phba->cfg_link_speed = val; + return 0; + } + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0454 lpfc_link_speed attribute cannot " + "be set to %d, allowed values are " + "["LPFC_LINK_SPEED_STRING"]\n", val); + phba->cfg_link_speed = 0; + return -EINVAL; +} + +lpfc_param_store(link_speed) +static CLASS_DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, + lpfc_link_speed_show, lpfc_link_speed_store); /* # lpfc_fcp_class: Determines FC class to use for the FCP protocol. @@ -1531,6 +1612,15 @@ LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, " */ LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); +/* + * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count + * This value can be set to values between 64 and 256. The default value is + * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer + * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). + */ +LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, + LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); + struct class_device_attribute *lpfc_hba_attrs[] = { &class_device_attr_info, &class_device_attr_serialnum, @@ -1583,6 +1673,7 @@ struct class_device_attribute *lpfc_hba_ &class_device_attr_lpfc_soft_wwn_enable, &class_device_attr_lpfc_enable_hba_reset, &class_device_attr_lpfc_enable_hba_heartbeat, + &class_device_attr_lpfc_sg_seg_cnt, NULL, }; @@ -2490,18 +2581,18 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) phba->cfg_poll = lpfc_poll; phba->cfg_soft_wwnn = 0L; phba->cfg_soft_wwpn = 0L; - /* - * The total number of segments is the configuration value plus 2 - * since the IOCB need a command and response bde. - */ - phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; + lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); + /* Also reinitialize the host templates with new values. */ + lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; /* * Since the sg_tablesize is module parameter, the sg_dma_buf_size - * used to create the sg_dma_buf_pool must be dynamically calculated + * used to create the sg_dma_buf_pool must be dynamically calculated. + * 2 segments are added since the IOCB needs a command and response bde. */ phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); + ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); return; } diff -upNr a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h --- a/drivers/scsi/lpfc/lpfc.h 2008-01-11 01:03:53.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc.h 2008-01-11 01:23:43.000000000 -0500 @@ -29,7 +29,8 @@ struct lpfc_sli2_slim; #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact the NameServer before giving up. */ #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ -#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ +#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ +#define LPFC_MAX_SG_SEG_CNT 256 /* sg element count per scsi cmnd */ #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ diff -upNr a/drivers/scsi/lpfc/lpfc_init.c.orig b/drivers/scsi/lpfc/lpfc_init.c.orig --- a/drivers/scsi/lpfc/lpfc_init.c.orig 2008-01-11 01:04:13.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc_init.c.orig 1969-12-31 19:00:00.000000000 -0500 @@ -1,2474 +0,0 @@ -/******************************************************************* - * 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" - -static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int); -static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *); -static int lpfc_post_rcv_buf(struct lpfc_hba *); - -static struct scsi_transport_template *lpfc_transport_template = NULL; -static struct scsi_transport_template *lpfc_vport_transport_template = NULL; -static DEFINE_IDR(lpfc_hba_index); - -/************************************************************************/ -/* */ -/* lpfc_config_port_prep */ -/* This routine will do LPFC initialization prior to the */ -/* CONFIG_PORT mailbox command. This will be initialized */ -/* as a SLI layer callback routine. */ -/* This routine returns 0 on success or -ERESTART if it wants */ -/* the SLI layer to reset the HBA and try again. Any */ -/* other return value indicates an error. */ -/* */ -/************************************************************************/ -int -lpfc_config_port_prep(struct lpfc_hba *phba) -{ - lpfc_vpd_t *vp = &phba->vpd; - int i = 0, rc; - LPFC_MBOXQ_t *pmb; - MAILBOX_t *mb; - char *lpfc_vpd_data = NULL; - uint16_t offset = 0; - static char licensed[56] = - "key unlock for use with gnu public licensed code only\0"; - static int init_key = 1; - - pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!pmb) { - phba->link_state = LPFC_HBA_ERROR; - return -ENOMEM; - } - - mb = &pmb->mb; - phba->link_state = LPFC_INIT_MBX_CMDS; - - if (lpfc_is_LC_HBA(phba->pcidev->device)) { - if (init_key) { - uint32_t *ptext = (uint32_t *) licensed; - - for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) - *ptext = cpu_to_be32(*ptext); - init_key = 0; - } - - lpfc_read_nv(phba, pmb); - memset((char*)mb->un.varRDnvp.rsvd3, 0, - sizeof (mb->un.varRDnvp.rsvd3)); - memcpy((char*)mb->un.varRDnvp.rsvd3, licensed, - sizeof (licensed)); - - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); - - if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, - "0324 Config Port initialization " - "error, mbxCmd x%x READ_NVPARM, " - "mbxStatus x%x\n", - mb->mbxCommand, mb->mbxStatus); - mempool_free(pmb, phba->mbox_mem_pool); - return -ERESTART; - } - memcpy(phba->wwnn, (char *)mb->un.varRDnvp.nodename, - sizeof(phba->wwnn)); - memcpy(phba->wwpn, (char *)mb->un.varRDnvp.portname, - sizeof(phba->wwpn)); - } - - phba->sli3_options = 0x0; - - /* Setup and issue mailbox READ REV command */ - lpfc_read_rev(phba, pmb); - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); - if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0439 Adapter failed to init, mbxCmd x%x " - "READ_REV, mbxStatus x%x\n", - mb->mbxCommand, mb->mbxStatus); - mempool_free( pmb, phba->mbox_mem_pool); - return -ERESTART; - } - - - /* - * The value of rr must be 1 since the driver set the cv field to 1. - * This setting requires the FW to set all revision fields. - */ - if (mb->un.varRdRev.rr == 0) { - vp->rev.rBit = 0; - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0440 Adapter failed to init, READ_REV has " - "missing revision information.\n"); - mempool_free(pmb, phba->mbox_mem_pool); - return -ERESTART; - } - - if (phba->sli_rev == 3 && !mb->un.varRdRev.v3rsp) - return -EINVAL; - - /* Save information as VPD data */ - vp->rev.rBit = 1; - memcpy(&vp->sli3Feat, &mb->un.varRdRev.sli3Feat, sizeof(uint32_t)); - vp->rev.sli1FwRev = mb->un.varRdRev.sli1FwRev; - memcpy(vp->rev.sli1FwName, (char*) mb->un.varRdRev.sli1FwName, 16); - vp->rev.sli2FwRev = mb->un.varRdRev.sli2FwRev; - memcpy(vp->rev.sli2FwName, (char *) mb->un.varRdRev.sli2FwName, 16); - vp->rev.biuRev = mb->un.varRdRev.biuRev; - vp->rev.smRev = mb->un.varRdRev.smRev; - vp->rev.smFwRev = mb->un.varRdRev.un.smFwRev; - vp->rev.endecRev = mb->un.varRdRev.endecRev; - vp->rev.fcphHigh = mb->un.varRdRev.fcphHigh; - vp->rev.fcphLow = mb->un.varRdRev.fcphLow; - vp->rev.feaLevelHigh = mb->un.varRdRev.feaLevelHigh; - vp->rev.feaLevelLow = mb->un.varRdRev.feaLevelLow; - vp->rev.postKernRev = mb->un.varRdRev.postKernRev; - vp->rev.opFwRev = mb->un.varRdRev.opFwRev; - - /* If the sli feature level is less then 9, we must - * tear down all RPIs and VPIs on link down if NPIV - * is enabled. - */ - if (vp->rev.feaLevelHigh < 9) - phba->sli3_options |= LPFC_SLI3_VPORT_TEARDOWN; - - if (lpfc_is_LC_HBA(phba->pcidev->device)) - memcpy(phba->RandomData, (char *)&mb->un.varWords[24], - sizeof (phba->RandomData)); - - /* Get adapter VPD information */ - pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); - if (!pmb->context2) - goto out_free_mbox; - lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); - if (!lpfc_vpd_data) - goto out_free_context2; - - do { - lpfc_dump_mem(phba, pmb, offset); - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); - - if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0441 VPD not present on adapter, " - "mbxCmd x%x DUMP VPD, mbxStatus x%x\n", - mb->mbxCommand, mb->mbxStatus); - mb->un.varDmp.word_cnt = 0; - } - if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) - mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; - lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, - mb->un.varDmp.word_cnt); - offset += mb->un.varDmp.word_cnt; - } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); - lpfc_parse_vpd(phba, lpfc_vpd_data, offset); - - kfree(lpfc_vpd_data); -out_free_context2: - kfree(pmb->context2); -out_free_mbox: - mempool_free(pmb, phba->mbox_mem_pool); - return 0; -} - -/* Completion handler for config async event mailbox command. */ -static void -lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) -{ - if (pmboxq->mb.mbxStatus == MBX_SUCCESS) - phba->temp_sensor_support = 1; - else - phba->temp_sensor_support = 0; - mempool_free(pmboxq, phba->mbox_mem_pool); - return; -} - -/************************************************************************/ -/* */ -/* lpfc_config_port_post */ -/* This routine will do LPFC initialization after the */ -/* CONFIG_PORT mailbox command. This will be initialized */ -/* as a SLI layer callback routine. */ -/* This routine returns 0 on success. Any other return value */ -/* indicates an error. */ -/* */ -/************************************************************************/ -int -lpfc_config_port_post(struct lpfc_hba *phba) -{ - struct lpfc_vport *vport = phba->pport; - LPFC_MBOXQ_t *pmb; - MAILBOX_t *mb; - struct lpfc_dmabuf *mp; - struct lpfc_sli *psli = &phba->sli; - uint32_t status, timeout; - int i, j; - int rc; - - spin_lock_irq(&phba->hbalock); - /* - * If the Config port completed correctly the HBA is not - * over heated any more. - */ - if (phba->over_temp_state == HBA_OVER_TEMP) - phba->over_temp_state = HBA_NORMAL_TEMP; - spin_unlock_irq(&phba->hbalock); - - pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!pmb) { - phba->link_state = LPFC_HBA_ERROR; - return -ENOMEM; - } - mb = &pmb->mb; - - /* Get login parameters for NID. */ - lpfc_read_sparam(phba, pmb, 0); - pmb->vport = vport; - if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0448 Adapter failed init, mbxCmd x%x " - "READ_SPARM mbxStatus x%x\n", - mb->mbxCommand, mb->mbxStatus); - phba->link_state = LPFC_HBA_ERROR; - mp = (struct lpfc_dmabuf *) pmb->context1; - mempool_free( pmb, phba->mbox_mem_pool); - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - return -EIO; - } - - mp = (struct lpfc_dmabuf *) pmb->context1; - - memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - pmb->context1 = NULL; - - if (phba->cfg_soft_wwnn) - u64_to_wwn(phba->cfg_soft_wwnn, - vport->fc_sparam.nodeName.u.wwn); - if (phba->cfg_soft_wwpn) - u64_to_wwn(phba->cfg_soft_wwpn, - vport->fc_sparam.portName.u.wwn); - memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, - sizeof (struct lpfc_name)); - memcpy(&vport->fc_portname, &vport->fc_sparam.portName, - sizeof (struct lpfc_name)); - /* If no serial number in VPD data, use low 6 bytes of WWNN */ - /* This should be consolidated into parse_vpd ? - mr */ - if (phba->SerialNumber[0] == 0) { - uint8_t *outptr; - - outptr = &vport->fc_nodename.u.s.IEEE[0]; - for (i = 0; i < 12; i++) { - status = *outptr++; - j = ((status & 0xf0) >> 4); - if (j <= 9) - phba->SerialNumber[i] = - (char)((uint8_t) 0x30 + (uint8_t) j); - else - phba->SerialNumber[i] = - (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); - i++; - j = (status & 0xf); - if (j <= 9) - phba->SerialNumber[i] = - (char)((uint8_t) 0x30 + (uint8_t) j); - else - phba->SerialNumber[i] = - (char)((uint8_t) 0x61 + (uint8_t) (j - 10)); - } - } - - lpfc_read_config(phba, pmb); - pmb->vport = vport; - if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0453 Adapter failed to init, mbxCmd x%x " - "READ_CONFIG, mbxStatus x%x\n", - mb->mbxCommand, mb->mbxStatus); - phba->link_state = LPFC_HBA_ERROR; - mempool_free( pmb, phba->mbox_mem_pool); - return -EIO; - } - - /* Reset the DFT_HBA_Q_DEPTH to the max xri */ - if (phba->cfg_hba_queue_depth > (mb->un.varRdConfig.max_xri+1)) - phba->cfg_hba_queue_depth = - mb->un.varRdConfig.max_xri + 1; - - phba->lmt = mb->un.varRdConfig.lmt; - - /* Get the default values for Model Name and Description */ - lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); - - if ((phba->cfg_link_speed > LINK_SPEED_10G) - || ((phba->cfg_link_speed == LINK_SPEED_1G) - && !(phba->lmt & LMT_1Gb)) - || ((phba->cfg_link_speed == LINK_SPEED_2G) - && !(phba->lmt & LMT_2Gb)) - || ((phba->cfg_link_speed == LINK_SPEED_4G) - && !(phba->lmt & LMT_4Gb)) - || ((phba->cfg_link_speed == LINK_SPEED_8G) - && !(phba->lmt & LMT_8Gb)) - || ((phba->cfg_link_speed == LINK_SPEED_10G) - && !(phba->lmt & LMT_10Gb))) { - /* Reset link speed to auto */ - lpfc_printf_log(phba, KERN_WARNING, LOG_LINK_EVENT, - "1302 Invalid speed for this board: " - "Reset link speed to auto: x%x\n", - phba->cfg_link_speed); - phba->cfg_link_speed = LINK_SPEED_AUTO; - } - - phba->link_state = LPFC_LINK_DOWN; - - /* Only process IOCBs on ELS ring till hba_state is READY */ - if (psli->ring[psli->extra_ring].cmdringaddr) - psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; - if (psli->ring[psli->fcp_ring].cmdringaddr) - psli->ring[psli->fcp_ring].flag |= LPFC_STOP_IOCB_EVENT; - if (psli->ring[psli->next_ring].cmdringaddr) - psli->ring[psli->next_ring].flag |= LPFC_STOP_IOCB_EVENT; - - /* Post receive buffers for desired rings */ - if (phba->sli_rev != 3) - lpfc_post_rcv_buf(phba); - - /* Enable appropriate host interrupts */ - spin_lock_irq(&phba->hbalock); - status = readl(phba->HCregaddr); - status |= HC_MBINT_ENA | HC_ERINT_ENA | HC_LAINT_ENA; - if (psli->num_rings > 0) - status |= HC_R0INT_ENA; - if (psli->num_rings > 1) - status |= HC_R1INT_ENA; - if (psli->num_rings > 2) - status |= HC_R2INT_ENA; - if (psli->num_rings > 3) - status |= HC_R3INT_ENA; - - if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && - (phba->cfg_poll & DISABLE_FCP_RING_INT)) - status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); - - writel(status, phba->HCregaddr); - readl(phba->HCregaddr); /* flush */ - spin_unlock_irq(&phba->hbalock); - - /* - * Setup the ring 0 (els) timeout handler - */ - timeout = phba->fc_ratov << 1; - mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); - mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); - phba->hb_outstanding = 0; - phba->last_completion_time = jiffies; - - lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); - pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - pmb->vport = vport; - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); - lpfc_set_loopback_flag(phba); - if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0454 Adapter failed to init, mbxCmd x%x " - "INIT_LINK, mbxStatus x%x\n", - mb->mbxCommand, mb->mbxStatus); - - /* Clear all interrupt enable conditions */ - writel(0, phba->HCregaddr); - readl(phba->HCregaddr); /* flush */ - /* Clear all pending interrupts */ - writel(0xffffffff, phba->HAregaddr); - readl(phba->HAregaddr); /* flush */ - - phba->link_state = LPFC_HBA_ERROR; - if (rc != MBX_BUSY) - mempool_free(pmb, phba->mbox_mem_pool); - return -EIO; - } - /* MBOX buffer will be freed in mbox compl */ - pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - lpfc_config_async(phba, pmb, LPFC_ELS_RING); - pmb->mbox_cmpl = lpfc_config_async_cmpl; - pmb->vport = phba->pport; - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); - - if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { - lpfc_printf_log(phba, - KERN_ERR, - LOG_INIT, - "0456 Adapter failed to issue " - "ASYNCEVT_ENABLE mbox status x%x \n.", - rc); - mempool_free(pmb, phba->mbox_mem_pool); - } - return (0); -} - -/************************************************************************/ -/* */ -/* lpfc_hba_down_prep */ -/* This routine will do LPFC uninitialization before the */ -/* HBA is reset when bringing down the SLI Layer. This will be */ -/* initialized as a SLI layer callback routine. */ -/* This routine returns 0 on success. Any other return value */ -/* indicates an error. */ -/* */ -/************************************************************************/ -int -lpfc_hba_down_prep(struct lpfc_hba *phba) -{ - /* Disable interrupts */ - writel(0, phba->HCregaddr); - readl(phba->HCregaddr); /* flush */ - - lpfc_cleanup_discovery_resources(phba->pport); - return 0; -} - -/************************************************************************/ -/* */ -/* lpfc_hba_down_post */ -/* This routine will do uninitialization after the HBA is reset */ -/* when bringing down the SLI Layer. */ -/* This routine returns 0 on success. Any other return value */ -/* indicates an error. */ -/* */ -/************************************************************************/ -int -lpfc_hba_down_post(struct lpfc_hba *phba) -{ - struct lpfc_sli *psli = &phba->sli; - struct lpfc_sli_ring *pring; - struct lpfc_dmabuf *mp, *next_mp; - struct lpfc_iocbq *iocb; - IOCB_t *cmd = NULL; - LIST_HEAD(completions); - int i; - - if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) - lpfc_sli_hbqbuf_free_all(phba); - else { - /* Cleanup preposted buffers on the ELS ring */ - pring = &psli->ring[LPFC_ELS_RING]; - list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { - list_del(&mp->list); - pring->postbufq_cnt--; - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - } - } - - spin_lock_irq(&phba->hbalock); - for (i = 0; i < psli->num_rings; i++) { - pring = &psli->ring[i]; - - /* At this point in time the HBA is either reset or DOA. Either - * way, nothing should be on txcmplq as it will NEVER complete. - */ - list_splice_init(&pring->txcmplq, &completions); - pring->txcmplq_cnt = 0; - spin_unlock_irq(&phba->hbalock); - - while (!list_empty(&completions)) { - iocb = list_get_first(&completions, struct lpfc_iocbq, - list); - cmd = &iocb->iocb; - list_del_init(&iocb->list); - - if (!iocb->iocb_cmpl) - lpfc_sli_release_iocbq(phba, iocb); - else { - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - (iocb->iocb_cmpl) (phba, iocb, iocb); - } - } - - lpfc_sli_abort_iocb_ring(phba, pring); - spin_lock_irq(&phba->hbalock); - } - spin_unlock_irq(&phba->hbalock); - - return 0; -} - -/* HBA heart beat timeout handler */ -static void -lpfc_hb_timeout(unsigned long ptr) -{ - struct lpfc_hba *phba; - unsigned long iflag; - - phba = (struct lpfc_hba *)ptr; - spin_lock_irqsave(&phba->pport->work_port_lock, iflag); - if (!(phba->pport->work_port_events & WORKER_HB_TMO)) - phba->pport->work_port_events |= WORKER_HB_TMO; - spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); - - if (phba->work_wait) - wake_up(phba->work_wait); - return; -} - -static void -lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) -{ - unsigned long drvr_flag; - - spin_lock_irqsave(&phba->hbalock, drvr_flag); - phba->hb_outstanding = 0; - spin_unlock_irqrestore(&phba->hbalock, drvr_flag); - - mempool_free(pmboxq, phba->mbox_mem_pool); - if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && - !(phba->link_state == LPFC_HBA_ERROR) && - !(phba->pport->load_flag & FC_UNLOADING)) - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); - return; -} - -void -lpfc_hb_timeout_handler(struct lpfc_hba *phba) -{ - LPFC_MBOXQ_t *pmboxq; - struct lpfc_dmabuf *buf_ptr; - int retval; - struct lpfc_sli *psli = &phba->sli; - LIST_HEAD(completions); - - if ((phba->link_state == LPFC_HBA_ERROR) || - (phba->pport->load_flag & FC_UNLOADING) || - (phba->pport->fc_flag & FC_OFFLINE_MODE)) - return; - - spin_lock_irq(&phba->pport->work_port_lock); - /* If the timer is already canceled do nothing */ - if (!(phba->pport->work_port_events & WORKER_HB_TMO)) { - spin_unlock_irq(&phba->pport->work_port_lock); - return; - } - - if (time_after(phba->last_completion_time + LPFC_HB_MBOX_INTERVAL * HZ, - jiffies)) { - spin_unlock_irq(&phba->pport->work_port_lock); - if (!phba->hb_outstanding) - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); - else - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); - return; - } - spin_unlock_irq(&phba->pport->work_port_lock); - - if (phba->elsbuf_cnt && - (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { - spin_lock_irq(&phba->hbalock); - list_splice_init(&phba->elsbuf, &completions); - phba->elsbuf_cnt = 0; - phba->elsbuf_prev_cnt = 0; - spin_unlock_irq(&phba->hbalock); - - while (!list_empty(&completions)) { - list_remove_head(&completions, buf_ptr, - struct lpfc_dmabuf, list); - lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); - kfree(buf_ptr); - } - } - phba->elsbuf_prev_cnt = phba->elsbuf_cnt; - - /* If there is no heart beat outstanding, issue a heartbeat command */ - if (phba->cfg_enable_hba_heartbeat) { - if (!phba->hb_outstanding) { - pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); - if (!pmboxq) { - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); - return; - } - - lpfc_heart_beat(phba, pmboxq); - pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; - pmboxq->vport = phba->pport; - retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); - - if (retval != MBX_BUSY && retval != MBX_SUCCESS) { - mempool_free(pmboxq, phba->mbox_mem_pool); - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); - return; - } - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); - phba->hb_outstanding = 1; - return; - } else { - /* - * If heart beat timeout called with hb_outstanding set - * we need to take the HBA offline. - */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0459 Adapter heartbeat failure, " - "taking this port offline.\n"); - - spin_lock_irq(&phba->hbalock); - psli->sli_flag &= ~LPFC_SLI2_ACTIVE; - spin_unlock_irq(&phba->hbalock); - - lpfc_offline_prep(phba); - lpfc_offline(phba); - lpfc_unblock_mgmt_io(phba); - phba->link_state = LPFC_HBA_ERROR; - lpfc_hba_down_post(phba); - } - } -} - -static void -lpfc_offline_eratt(struct lpfc_hba *phba) -{ - struct lpfc_sli *psli = &phba->sli; - - spin_lock_irq(&phba->hbalock); - psli->sli_flag &= ~LPFC_SLI2_ACTIVE; - spin_unlock_irq(&phba->hbalock); - lpfc_offline_prep(phba); - - lpfc_offline(phba); - lpfc_reset_barrier(phba); - lpfc_sli_brdreset(phba); - lpfc_hba_down_post(phba); - lpfc_sli_brdready(phba, HS_MBRDY); - lpfc_unblock_mgmt_io(phba); - phba->link_state = LPFC_HBA_ERROR; - return; -} - -/************************************************************************/ -/* */ -/* lpfc_handle_eratt */ -/* This routine will handle processing a Host Attention */ -/* Error Status event. This will be initialized */ -/* as a SLI layer callback routine. */ -/* */ -/************************************************************************/ -void -lpfc_handle_eratt(struct lpfc_hba *phba) -{ - struct lpfc_vport *vport = phba->pport; - struct lpfc_sli *psli = &phba->sli; - struct lpfc_sli_ring *pring; - struct lpfc_vport **vports; - uint32_t event_data; - unsigned long temperature; - struct temp_event temp_event_data; - struct Scsi_Host *shost; - int i; - - /* If the pci channel is offline, ignore possible errors, - * since we cannot communicate with the pci card anyway. */ - if (pci_channel_offline(phba->pcidev)) - return; - /* If resets are disabled then leave the HBA alone and return */ - if (!phba->cfg_enable_hba_reset) - return; - - if (phba->work_hs & HS_FFER6 || - phba->work_hs & HS_FFER5) { - /* Re-establishing Link */ - lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, - "1301 Re-establishing Link " - "Data: x%x x%x x%x\n", - phba->work_hs, - phba->work_status[0], phba->work_status[1]); - vports = lpfc_create_vport_work_array(phba); - if (vports != NULL) - for(i = 0; - i <= phba->max_vpi && vports[i] != NULL; - i++){ - shost = lpfc_shost_from_vport(vports[i]); - spin_lock_irq(shost->host_lock); - vports[i]->fc_flag |= FC_ESTABLISH_LINK; - spin_unlock_irq(shost->host_lock); - } - lpfc_destroy_vport_work_array(phba, vports); - spin_lock_irq(&phba->hbalock); - psli->sli_flag &= ~LPFC_SLI2_ACTIVE; - spin_unlock_irq(&phba->hbalock); - - /* - * Firmware stops when it triggled erratt with HS_FFER6. - * That could cause the I/Os dropped by the firmware. - * Error iocb (I/O) on txcmplq and let the SCSI layer - * retry it after re-establishing link. - */ - pring = &psli->ring[psli->fcp_ring]; - lpfc_sli_abort_iocb_ring(phba, pring); - - - /* - * There was a firmware error. Take the hba offline and then - * attempt to restart it. - */ - lpfc_offline_prep(phba); - lpfc_offline(phba); - lpfc_sli_brdrestart(phba); - if (lpfc_online(phba) == 0) { /* Initialize the HBA */ - mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); - lpfc_unblock_mgmt_io(phba); - return; - } - lpfc_unblock_mgmt_io(phba); - } else if (phba->work_hs & HS_CRIT_TEMP) { - temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); - temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; - temp_event_data.event_code = LPFC_CRIT_TEMP; - temp_event_data.data = (uint32_t)temperature; - - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0459 Adapter maximum temperature exceeded " - "(%ld), taking this port offline " - "Data: x%x x%x x%x\n", - temperature, phba->work_hs, - phba->work_status[0], phba->work_status[1]); - - shost = lpfc_shost_from_vport(phba->pport); - fc_host_post_vendor_event(shost, fc_get_event_number(), - sizeof(temp_event_data), - (char *) &temp_event_data, - SCSI_NL_VID_TYPE_PCI - | PCI_VENDOR_ID_EMULEX); - - spin_lock_irq(&phba->hbalock); - phba->over_temp_state = HBA_OVER_TEMP; - spin_unlock_irq(&phba->hbalock); - lpfc_offline_eratt(phba); - - } else { - /* The if clause above forces this code path when the status - * failure is a value other than FFER6. Do not call the offline - * twice. This is the adapter hardware error path. - */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0457 Adapter Hardware Error " - "Data: x%x x%x x%x\n", - phba->work_hs, - phba->work_status[0], phba->work_status[1]); - - event_data = FC_REG_DUMP_EVENT; - shost = lpfc_shost_from_vport(vport); - fc_host_post_vendor_event(shost, fc_get_event_number(), - sizeof(event_data), (char *) &event_data, - SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); - - lpfc_offline_eratt(phba); - } -} - -/************************************************************************/ -/* */ -/* lpfc_handle_latt */ -/* This routine will handle processing a Host Attention */ -/* Link Status event. This will be initialized */ -/* as a SLI layer callback routine. */ -/* */ -/************************************************************************/ -void -lpfc_handle_latt(struct lpfc_hba *phba) -{ - struct lpfc_vport *vport = phba->pport; - struct lpfc_sli *psli = &phba->sli; - LPFC_MBOXQ_t *pmb; - volatile uint32_t control; - struct lpfc_dmabuf *mp; - int rc = 0; - - pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!pmb) { - rc = 1; - goto lpfc_handle_latt_err_exit; - } - - mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); - if (!mp) { - rc = 2; - goto lpfc_handle_latt_free_pmb; - } - - mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); - if (!mp->virt) { - rc = 3; - goto lpfc_handle_latt_free_mp; - } - - /* Cleanup any outstanding ELS commands */ - lpfc_els_flush_all_cmd(phba); - - psli->slistat.link_event++; - lpfc_read_la(phba, pmb, mp); - pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; - pmb->vport = vport; - rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); - if (rc == MBX_NOT_FINISHED) { - rc = 4; - goto lpfc_handle_latt_free_mbuf; - } - - /* Clear Link Attention in HA REG */ - spin_lock_irq(&phba->hbalock); - writel(HA_LATT, phba->HAregaddr); - readl(phba->HAregaddr); /* flush */ - spin_unlock_irq(&phba->hbalock); - - return; - -lpfc_handle_latt_free_mbuf: - lpfc_mbuf_free(phba, mp->virt, mp->phys); -lpfc_handle_latt_free_mp: - kfree(mp); -lpfc_handle_latt_free_pmb: - mempool_free(pmb, phba->mbox_mem_pool); -lpfc_handle_latt_err_exit: - /* Enable Link attention interrupts */ - spin_lock_irq(&phba->hbalock); - psli->sli_flag |= LPFC_PROCESS_LA; - control = readl(phba->HCregaddr); - control |= HC_LAINT_ENA; - writel(control, phba->HCregaddr); - readl(phba->HCregaddr); /* flush */ - - /* Clear Link Attention in HA REG */ - writel(HA_LATT, phba->HAregaddr); - readl(phba->HAregaddr); /* flush */ - spin_unlock_irq(&phba->hbalock); - lpfc_linkdown(phba); - phba->link_state = LPFC_HBA_ERROR; - - lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, - "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); - - return; -} - -/************************************************************************/ -/* */ -/* lpfc_parse_vpd */ -/* This routine will parse the VPD data */ -/* */ -/************************************************************************/ -static int -lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) -{ - uint8_t lenlo, lenhi; - int Length; - int i, j; - int finished = 0; - int index = 0; - - if (!vpd) - return 0; - - /* Vital Product */ - lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0455 Vital Product Data: x%x x%x x%x x%x\n", - (uint32_t) vpd[0], (uint32_t) vpd[1], (uint32_t) vpd[2], - (uint32_t) vpd[3]); - while (!finished && (index < (len - 4))) { - switch (vpd[index]) { - case 0x82: - case 0x91: - index += 1; - lenlo = vpd[index]; - index += 1; - lenhi = vpd[index]; - index += 1; - i = ((((unsigned short)lenhi) << 8) + lenlo); - index += i; - break; - case 0x90: - index += 1; - lenlo = vpd[index]; - index += 1; - lenhi = vpd[index]; - index += 1; - Length = ((((unsigned short)lenhi) << 8) + lenlo); - if (Length > len - index) - Length = len - index; - while (Length > 0) { - /* Look for Serial Number */ - if ((vpd[index] == 'S') && (vpd[index+1] == 'N')) { - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->SerialNumber[j++] = vpd[index++]; - if (j == 31) - break; - } - phba->SerialNumber[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '1')) { - phba->vpd_flag |= VPD_MODEL_DESC; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->ModelDesc[j++] = vpd[index++]; - if (j == 255) - break; - } - phba->ModelDesc[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '2')) { - phba->vpd_flag |= VPD_MODEL_NAME; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->ModelName[j++] = vpd[index++]; - if (j == 79) - break; - } - phba->ModelName[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '3')) { - phba->vpd_flag |= VPD_PROGRAM_TYPE; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->ProgramType[j++] = vpd[index++]; - if (j == 255) - break; - } - phba->ProgramType[j] = 0; - continue; - } - else if ((vpd[index] == 'V') && (vpd[index+1] == '4')) { - phba->vpd_flag |= VPD_PORT; - index += 2; - i = vpd[index]; - index += 1; - j = 0; - Length -= (3+i); - while(i--) { - phba->Port[j++] = vpd[index++]; - if (j == 19) - break; - } - phba->Port[j] = 0; - continue; - } - else { - index += 2; - i = vpd[index]; - index += 1; - index += i; - Length -= (3 + i); - } - } - finished = 0; - break; - case 0x78: - finished = 1; - break; - default: - index ++; - break; - } - } - - return(1); -} - -static void -lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) -{ - lpfc_vpd_t *vp; - uint16_t dev_id = phba->pcidev->device; - int max_speed; - struct { - char * name; - int max_speed; - char * bus; - } m = {"<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 || !mp1->virt) { - kfree(mp1); - lpfc_sli_release_iocbq(phba, iocb); - pring->missbufcnt = cnt; - return cnt; - } - - INIT_LIST_HEAD(&mp1->list); - /* Allocate buffer to post */ - if (cnt > 1) { - mp2 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); - if (mp2) - mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, - &mp2->phys); - if (!mp2 || !mp2->virt) { - kfree(mp2); - lpfc_mbuf_free(phba, mp1->virt, mp1->phys); - kfree(mp1); - lpfc_sli_release_iocbq(phba, iocb); - pring->missbufcnt = cnt; - return cnt; - } - - INIT_LIST_HEAD(&mp2->list); - } else { - mp2 = NULL; - } - - icmd->un.cont64[0].addrHigh = putPaddrHigh(mp1->phys); - icmd->un.cont64[0].addrLow = putPaddrLow(mp1->phys); - icmd->un.cont64[0].tus.f.bdeSize = FCELSSIZE; - icmd->ulpBdeCount = 1; - cnt--; - if (mp2) { - icmd->un.cont64[1].addrHigh = putPaddrHigh(mp2->phys); - icmd->un.cont64[1].addrLow = putPaddrLow(mp2->phys); - icmd->un.cont64[1].tus.f.bdeSize = FCELSSIZE; - cnt--; - icmd->ulpBdeCount = 2; - } - - icmd->ulpCommand = CMD_QUE_RING_BUF64_CN; - icmd->ulpLe = 1; - - if (lpfc_sli_issue_iocb(phba, pring, iocb, 0) == IOCB_ERROR) { - lpfc_mbuf_free(phba, mp1->virt, mp1->phys); - kfree(mp1); - cnt++; - if (mp2) { - lpfc_mbuf_free(phba, mp2->virt, mp2->phys); - kfree(mp2); - cnt++; - } - lpfc_sli_release_iocbq(phba, iocb); - pring->missbufcnt = cnt; - return cnt; - } - lpfc_sli_ringpostbuf_put(phba, pring, mp1); - if (mp2) - lpfc_sli_ringpostbuf_put(phba, pring, mp2); - } - pring->missbufcnt = 0; - return 0; -} - -/************************************************************************/ -/* */ -/* lpfc_post_rcv_buf */ -/* This routine post initial rcv buffers to the configured rings */ -/* */ -/************************************************************************/ -static int -lpfc_post_rcv_buf(struct lpfc_hba *phba) -{ - struct lpfc_sli *psli = &phba->sli; - - /* Ring 0, ELS / CT buffers */ - lpfc_post_buffer(phba, &psli->ring[LPFC_ELS_RING], LPFC_BUF_RING0, 1); - /* Ring 2 - FCP no buffers needed */ - - return 0; -} - -#define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) - -/************************************************************************/ -/* */ -/* lpfc_sha_init */ -/* */ -/************************************************************************/ -static void -lpfc_sha_init(uint32_t * HashResultPointer) -{ - HashResultPointer[0] = 0x67452301; - HashResultPointer[1] = 0xEFCDAB89; - HashResultPointer[2] = 0x98BADCFE; - HashResultPointer[3] = 0x10325476; - HashResultPointer[4] = 0xC3D2E1F0; -} - -/************************************************************************/ -/* */ -/* lpfc_sha_iterate */ -/* */ -/************************************************************************/ -static void -lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) -{ - int t; - uint32_t TEMP; - uint32_t A, B, C, D, E; - t = 16; - do { - HashWorkingPointer[t] = - S(1, - HashWorkingPointer[t - 3] ^ HashWorkingPointer[t - - 8] ^ - HashWorkingPointer[t - 14] ^ HashWorkingPointer[t - 16]); - } while (++t <= 79); - t = 0; - A = HashResultPointer[0]; - B = HashResultPointer[1]; - C = HashResultPointer[2]; - D = HashResultPointer[3]; - E = HashResultPointer[4]; - - do { - if (t < 20) { - TEMP = ((B & C) | ((~B) & D)) + 0x5A827999; - } else if (t < 40) { - TEMP = (B ^ C ^ D) + 0x6ED9EBA1; - } else if (t < 60) { - TEMP = ((B & C) | (B & D) | (C & D)) + 0x8F1BBCDC; - } else { - TEMP = (B ^ C ^ D) + 0xCA62C1D6; - } - TEMP += S(5, A) + E + HashWorkingPointer[t]; - E = D; - D = C; - C = S(30, B); - B = A; - A = TEMP; - } while (++t <= 79); - - HashResultPointer[0] += A; - HashResultPointer[1] += B; - HashResultPointer[2] += C; - HashResultPointer[3] += D; - HashResultPointer[4] += E; - -} - -/************************************************************************/ -/* */ -/* lpfc_challenge_key */ -/* */ -/************************************************************************/ -static void -lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) -{ - *HashWorking = (*RandomChallenge ^ *HashWorking); -} - -/************************************************************************/ -/* */ -/* lpfc_hba_init */ -/* */ -/************************************************************************/ -void -lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) -{ - int t; - uint32_t *HashWorking; - uint32_t *pwwnn = (uint32_t *) phba->wwnn; - - HashWorking = kcalloc(80, sizeof(uint32_t), GFP_KERNEL); - if (!HashWorking) - return; - - HashWorking[0] = HashWorking[78] = *pwwnn++; - HashWorking[1] = HashWorking[79] = *pwwnn; - - for (t = 0; t < 7; t++) - lpfc_challenge_key(phba->RandomData + t, HashWorking + t); - - lpfc_sha_init(hbainit); - lpfc_sha_iterate(hbainit, HashWorking); - kfree(HashWorking); -} - -void -lpfc_cleanup(struct lpfc_vport *vport) -{ - struct lpfc_hba *phba = vport->phba; - struct lpfc_nodelist *ndlp, *next_ndlp; - int i = 0; - - if (phba->link_state > LPFC_LINK_DOWN) - lpfc_port_link_failure(vport); - - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { - if (ndlp->nlp_type & NLP_FABRIC) - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RECOVERY); - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RM); - } - - /* At this point, ALL ndlp's should be gone - * because of the previous NLP_EVT_DEVICE_RM. - * Lets wait for this to happen, if needed. - */ - while (!list_empty(&vport->fc_nodes)) { - - if (i++ > 3000) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, - "0233 Nodelist not empty\n"); - break; - } - - /* Wait for any activity on ndlps to settle */ - msleep(10); - } - return; -} - -static void -lpfc_establish_link_tmo(unsigned long ptr) -{ - struct lpfc_hba *phba = (struct lpfc_hba *) ptr; - struct lpfc_vport **vports; - unsigned long iflag; - int i; - - /* Re-establishing Link, timer expired */ - lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, - "1300 Re-establishing Link, timer expired " - "Data: x%x x%x\n", - phba->pport->fc_flag, phba->pport->port_state); - vports = lpfc_create_vport_work_array(phba); - if (vports != NULL) - for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { - struct Scsi_Host *shost; - shost = lpfc_shost_from_vport(vports[i]); - spin_lock_irqsave(shost->host_lock, iflag); - vports[i]->fc_flag &= ~FC_ESTABLISH_LINK; - spin_unlock_irqrestore(shost->host_lock, iflag); - } - lpfc_destroy_vport_work_array(phba, vports); -} - -void -lpfc_stop_vport_timers(struct lpfc_vport *vport) -{ - del_timer_sync(&vport->els_tmofunc); - del_timer_sync(&vport->fc_fdmitmo); - lpfc_can_disctmo(vport); - return; -} - -static void -lpfc_stop_phba_timers(struct lpfc_hba *phba) -{ - del_timer_sync(&phba->fcp_poll_timer); - del_timer_sync(&phba->fc_estabtmo); - lpfc_stop_vport_timers(phba->pport); - del_timer_sync(&phba->sli.mbox_tmo); - del_timer_sync(&phba->fabric_block_timer); - phba->hb_outstanding = 0; - del_timer_sync(&phba->hb_tmofunc); - return; -} - -static void -lpfc_block_mgmt_io(struct lpfc_hba * phba) -{ - unsigned long iflag; - - spin_lock_irqsave(&phba->hbalock, iflag); - phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; - spin_unlock_irqrestore(&phba->hbalock, iflag); -} - -int -lpfc_online(struct lpfc_hba *phba) -{ - struct lpfc_vport *vport = phba->pport; - struct lpfc_vport **vports; - int i; - - if (!phba) - return 0; - - if (!(vport->fc_flag & FC_OFFLINE_MODE)) - return 0; - - lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, - "0458 Bring Adapter online\n"); - - lpfc_block_mgmt_io(phba); - - if (!lpfc_sli_queue_setup(phba)) { - lpfc_unblock_mgmt_io(phba); - return 1; - } - - if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ - lpfc_unblock_mgmt_io(phba); - return 1; - } - - vports = lpfc_create_vport_work_array(phba); - if (vports != NULL) - for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { - struct Scsi_Host *shost; - shost = lpfc_shost_from_vport(vports[i]); - spin_lock_irq(shost->host_lock); - vports[i]->fc_flag &= ~FC_OFFLINE_MODE; - if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) - vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; - spin_unlock_irq(shost->host_lock); - } - lpfc_destroy_vport_work_array(phba, vports); - - lpfc_unblock_mgmt_io(phba); - return 0; -} - -void -lpfc_unblock_mgmt_io(struct lpfc_hba * phba) -{ - unsigned long iflag; - - spin_lock_irqsave(&phba->hbalock, iflag); - phba->sli.sli_flag &= ~LPFC_BLOCK_MGMT_IO; - spin_unlock_irqrestore(&phba->hbalock, iflag); -} - -void -lpfc_offline_prep(struct lpfc_hba * phba) -{ - struct lpfc_vport *vport = phba->pport; - struct lpfc_nodelist *ndlp, *next_ndlp; - struct lpfc_vport **vports; - int i; - - if (vport->fc_flag & FC_OFFLINE_MODE) - return; - - lpfc_block_mgmt_io(phba); - - lpfc_linkdown(phba); - - /* Issue an unreg_login to all nodes on all vports */ - vports = lpfc_create_vport_work_array(phba); - if (vports != NULL) { - for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { - struct Scsi_Host *shost; - - if (vports[i]->load_flag & FC_UNLOADING) - continue; - shost = lpfc_shost_from_vport(vports[i]); - list_for_each_entry_safe(ndlp, next_ndlp, - &vports[i]->fc_nodes, - nlp_listp) { - if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) - continue; - if (ndlp->nlp_type & NLP_FABRIC) { - lpfc_disc_state_machine(vports[i], ndlp, - NULL, NLP_EVT_DEVICE_RECOVERY); - lpfc_disc_state_machine(vports[i], ndlp, - NULL, NLP_EVT_DEVICE_RM); - } - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(shost->host_lock); - lpfc_unreg_rpi(vports[i], ndlp); - } - } - } - lpfc_destroy_vport_work_array(phba, vports); - - lpfc_sli_flush_mbox_queue(phba); -} - -void -lpfc_offline(struct lpfc_hba *phba) -{ - struct Scsi_Host *shost; - struct lpfc_vport **vports; - int i; - - if (phba->pport->fc_flag & FC_OFFLINE_MODE) - return; - - /* stop all timers associated with this hba */ - lpfc_stop_phba_timers(phba); - vports = lpfc_create_vport_work_array(phba); - if (vports != NULL) - for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) - lpfc_stop_vport_timers(vports[i]); - lpfc_destroy_vport_work_array(phba, vports); - lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, - "0460 Bring Adapter offline\n"); - /* Bring down the SLI Layer and cleanup. The HBA is offline - now. */ - lpfc_sli_hba_down(phba); - spin_lock_irq(&phba->hbalock); - phba->work_ha = 0; - spin_unlock_irq(&phba->hbalock); - vports = lpfc_create_vport_work_array(phba); - if (vports != NULL) - for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { - shost = lpfc_shost_from_vport(vports[i]); - spin_lock_irq(shost->host_lock); - vports[i]->work_port_events = 0; - vports[i]->fc_flag |= FC_OFFLINE_MODE; - spin_unlock_irq(shost->host_lock); - } - lpfc_destroy_vport_work_array(phba, vports); -} - -/****************************************************************************** -* Function name: lpfc_scsi_free -* -* Description: Called from lpfc_pci_remove_one free internal driver resources -* -******************************************************************************/ -static int -lpfc_scsi_free(struct lpfc_hba *phba) -{ - struct lpfc_scsi_buf *sb, *sb_next; - struct lpfc_iocbq *io, *io_next; - - spin_lock_irq(&phba->hbalock); - /* Release all the lpfc_scsi_bufs maintained by this host. */ - list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { - list_del(&sb->list); - pci_pool_free(phba->lpfc_scsi_dma_buf_pool, sb->data, - sb->dma_handle); - kfree(sb); - phba->total_scsi_bufs--; - } - - /* Release all the lpfc_iocbq entries maintained by this host. */ - list_for_each_entry_safe(io, io_next, &phba->lpfc_iocb_list, list) { - list_del(&io->list); - kfree(io); - phba->total_iocbq_bufs--; - } - - spin_unlock_irq(&phba->hbalock); - - return 0; -} - -struct lpfc_vport * -lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) -{ - struct lpfc_vport *vport; - struct Scsi_Host *shost; - int error = 0; - - if (dev != &phba->pcidev->dev) - shost = scsi_host_alloc(&lpfc_vport_template, - sizeof(struct lpfc_vport)); - else - shost = scsi_host_alloc(&lpfc_template, - sizeof(struct lpfc_vport)); - if (!shost) - goto out; - - vport = (struct lpfc_vport *) shost->hostdata; - vport->phba = phba; - - vport->load_flag |= FC_LOADING; - vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; - - lpfc_get_vport_cfgparam(vport); - shost->unique_id = instance; - shost->max_id = LPFC_MAX_TARGET; - shost->max_lun = vport->cfg_max_luns; - shost->this_id = -1; - shost->max_cmd_len = 16; - /* - * Set initial can_queue value since 0 is no longer supported and - * scsi_add_host will fail. This will be adjusted later based on the - * max xri value determined in hba setup. - */ - shost->can_queue = phba->cfg_hba_queue_depth - 10; - if (dev != &phba->pcidev->dev) { - shost->transportt = lpfc_vport_transport_template; - vport->port_type = LPFC_NPIV_PORT; - } else { - shost->transportt = lpfc_transport_template; - vport->port_type = LPFC_PHYSICAL_PORT; - } - - /* Initialize all internally managed lists. */ - INIT_LIST_HEAD(&vport->fc_nodes); - spin_lock_init(&vport->work_port_lock); - - init_timer(&vport->fc_disctmo); - vport->fc_disctmo.function = lpfc_disc_timeout; - vport->fc_disctmo.data = (unsigned long)vport; - - init_timer(&vport->fc_fdmitmo); - vport->fc_fdmitmo.function = lpfc_fdmi_tmo; - vport->fc_fdmitmo.data = (unsigned long)vport; - - init_timer(&vport->els_tmofunc); - vport->els_tmofunc.function = lpfc_els_timeout; - vport->els_tmofunc.data = (unsigned long)vport; - - error = scsi_add_host(shost, dev); - if (error) - goto out_put_shost; - - spin_lock_irq(&phba->hbalock); - list_add_tail(&vport->listentry, &phba->port_list); - spin_unlock_irq(&phba->hbalock); - return vport; - -out_put_shost: - scsi_host_put(shost); -out: - return NULL; -} - -void -destroy_port(struct lpfc_vport *vport) -{ - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - struct lpfc_hba *phba = vport->phba; - - kfree(vport->vname); - - lpfc_debugfs_terminate(vport); - fc_remove_host(shost); - scsi_remove_host(shost); - - spin_lock_irq(&phba->hbalock); - list_del_init(&vport->listentry); - spin_unlock_irq(&phba->hbalock); - - lpfc_cleanup(vport); - return; -} - -int -lpfc_get_instance(void) -{ - int instance = 0; - - /* Assign an unused number */ - if (!idr_pre_get(&lpfc_hba_index, GFP_KERNEL)) - return -1; - if (idr_get_new(&lpfc_hba_index, NULL, &instance)) - return -1; - return instance; -} - -/* - * Note: there is no scan_start function as adapter initialization - * will have asynchronously kicked off the link initialization. - */ - -int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) -{ - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - int stat = 0; - - spin_lock_irq(shost->host_lock); - - if (vport->load_flag & FC_UNLOADING) { - stat = 1; - goto finished; - } - if (time >= 30 * HZ) { - lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0461 Scanning longer than 30 " - "seconds. Continuing initialization\n"); - stat = 1; - goto finished; - } - if (time >= 15 * HZ && phba->link_state <= LPFC_LINK_DOWN) { - lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0465 Link down longer than 15 " - "seconds. Continuing initialization\n"); - stat = 1; - goto finished; - } - - if (vport->port_state != LPFC_VPORT_READY) - goto finished; - if (vport->num_disc_nodes || vport->fc_prli_sent) - goto finished; - if (vport->fc_map_cnt == 0 && time < 2 * HZ) - goto finished; - if ((phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) != 0) - goto finished; - - stat = 1; - -finished: - spin_unlock_irq(shost->host_lock); - return stat; -} - -void lpfc_host_attrib_init(struct Scsi_Host *shost) -{ - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - /* - * Set fixed host attributes. Must done after lpfc_sli_hba_setup(). - */ - - fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); - fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); - fc_host_supported_classes(shost) = FC_COS_CLASS3; - - memset(fc_host_supported_fc4s(shost), 0, - sizeof(fc_host_supported_fc4s(shost))); - fc_host_supported_fc4s(shost)[2] = 1; - fc_host_supported_fc4s(shost)[7] = 1; - - lpfc_vport_symbolic_node_name(vport, fc_host_symbolic_name(shost), - sizeof fc_host_symbolic_name(shost)); - - fc_host_supported_speeds(shost) = 0; - if (phba->lmt & LMT_10Gb) - fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; - if (phba->lmt & LMT_8Gb) - fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; - if (phba->lmt & LMT_4Gb) - fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; - if (phba->lmt & LMT_2Gb) - fc_host_supported_speeds(shost) |= FC_PORTSPEED_2GBIT; - if (phba->lmt & LMT_1Gb) - fc_host_supported_speeds(shost) |= FC_PORTSPEED_1GBIT; - - fc_host_maxframe_size(shost) = - (((uint32_t) vport->fc_sparam.cmn.bbRcvSizeMsb & 0x0F) << 8) | - (uint32_t) vport->fc_sparam.cmn.bbRcvSizeLsb; - - /* This value is also unchanging */ - memset(fc_host_active_fc4s(shost), 0, - sizeof(fc_host_active_fc4s(shost))); - fc_host_active_fc4s(shost)[2] = 1; - fc_host_active_fc4s(shost)[7] = 1; - - fc_host_max_npiv_vports(shost) = phba->max_vpi; - spin_lock_irq(shost->host_lock); - vport->load_flag &= ~FC_LOADING; - spin_unlock_irq(shost->host_lock); -} - -static int __devinit -lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) -{ - struct lpfc_vport *vport = NULL; - struct lpfc_hba *phba; - struct lpfc_sli *psli; - struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; - struct Scsi_Host *shost = NULL; - void *ptr; - unsigned long bar0map_len, bar2map_len; - int error = -ENODEV, retval; - int i, hbq_count; - uint16_t iotag; - - 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); - /* - * Get all the module params for configuring this host and then - * establish the host. - */ - lpfc_get_cfgparam(phba); - phba->max_vpi = LPFC_MAX_VPI; - - /* Initialize timers used by driver */ - init_timer(&phba->fc_estabtmo); - phba->fc_estabtmo.function = lpfc_establish_link_tmo; - phba->fc_estabtmo.data = (unsigned long)phba; - - init_timer(&phba->hb_tmofunc); - phba->hb_tmofunc.function = lpfc_hb_timeout; - phba->hb_tmofunc.data = (unsigned long)phba; - - psli = &phba->sli; - init_timer(&psli->mbox_tmo); - psli->mbox_tmo.function = lpfc_mbox_timeout; - psli->mbox_tmo.data = (unsigned long) phba; - init_timer(&phba->fcp_poll_timer); - phba->fcp_poll_timer.function = lpfc_poll_timeout; - phba->fcp_poll_timer.data = (unsigned long) phba; - init_timer(&phba->fabric_block_timer); - phba->fabric_block_timer.function = lpfc_fabric_block_timeout; - phba->fabric_block_timer.data = (unsigned long) phba; - - pci_set_master(pdev); - pci_try_set_mwi(pdev); - - if (pci_set_dma_mask(phba->pcidev, DMA_64BIT_MASK) != 0) - if (pci_set_dma_mask(phba->pcidev, DMA_32BIT_MASK) != 0) - goto out_idr_remove; - - /* - * Get the bus address of Bar0 and Bar2 and the number of bytes - * required by each mapping. - */ - phba->pci_bar0_map = pci_resource_start(phba->pcidev, 0); - bar0map_len = pci_resource_len(phba->pcidev, 0); - - phba->pci_bar2_map = pci_resource_start(phba->pcidev, 2); - bar2map_len = pci_resource_len(phba->pcidev, 2); - - /* Map HBA SLIM to a kernel virtual address. */ - phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); - if (!phba->slim_memmap_p) { - error = -ENODEV; - dev_printk(KERN_ERR, &pdev->dev, - "ioremap failed for SLIM memory.\n"); - goto out_idr_remove; - } - - /* Map HBA Control Registers to a kernel virtual address. */ - phba->ctrl_regs_memmap_p = ioremap(phba->pci_bar2_map, bar2map_len); - if (!phba->ctrl_regs_memmap_p) { - error = -ENODEV; - dev_printk(KERN_ERR, &pdev->dev, - "ioremap failed for HBA control registers.\n"); - goto out_iounmap_slim; - } - - /* Allocate memory for SLI-2 structures */ - phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, - &phba->slim2p_mapping, GFP_KERNEL); - if (!phba->slim2p) - goto out_iounmap; - - memset(phba->slim2p, 0, SLI2_SLIM_SIZE); - - phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, - lpfc_sli_hbq_size(), - &phba->hbqslimp.phys, - GFP_KERNEL); - if (!phba->hbqslimp.virt) - goto out_free_slim; - - hbq_count = lpfc_sli_hbq_count(); - ptr = phba->hbqslimp.virt; - for (i = 0; i < hbq_count; ++i) { - phba->hbqs[i].hbq_virt = ptr; - INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list); - ptr += (lpfc_hbq_defs[i]->entry_count * - sizeof(struct lpfc_hbq_entry)); - } - phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_els_hbq_alloc; - phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_els_hbq_free; - - memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); - - /* Initialize the SLI Layer to run with lpfc HBAs. */ - lpfc_sli_setup(phba); - lpfc_sli_queue_setup(phba); - - retval = lpfc_mem_alloc(phba); - if (retval) { - error = retval; - goto out_free_hbqslimp; - } - - /* Initialize and populate the iocb list per host. */ - INIT_LIST_HEAD(&phba->lpfc_iocb_list); - for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { - iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); - if (iocbq_entry == NULL) { - printk(KERN_ERR "%s: only allocated %d iocbs of " - "expected %d count. Unloading driver.\n", - __FUNCTION__, i, LPFC_IOCB_LIST_CNT); - error = -ENOMEM; - goto out_free_iocbq; - } - - iotag = lpfc_sli_next_iotag(phba, iocbq_entry); - if (iotag == 0) { - kfree (iocbq_entry); - printk(KERN_ERR "%s: failed to allocate IOTAG. " - "Unloading driver.\n", - __FUNCTION__); - error = -ENOMEM; - goto out_free_iocbq; - } - - spin_lock_irq(&phba->hbalock); - list_add(&iocbq_entry->list, &phba->lpfc_iocb_list); - phba->total_iocbq_bufs++; - spin_unlock_irq(&phba->hbalock); - } - - /* Initialize HBA structure */ - phba->fc_edtov = FF_DEF_EDTOV; - phba->fc_ratov = FF_DEF_RATOV; - phba->fc_altov = FF_DEF_ALTOV; - phba->fc_arbtov = FF_DEF_ARBTOV; - - INIT_LIST_HEAD(&phba->work_list); - phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); - phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); - - /* Startup the kernel thread for this host adapter. */ - phba->worker_thread = kthread_run(lpfc_do_work, phba, - "lpfc_worker_%d", phba->brd_no); - if (IS_ERR(phba->worker_thread)) { - error = PTR_ERR(phba->worker_thread); - goto out_free_iocbq; - } - - /* Initialize the list of scsi buffers used by driver for scsi IO. */ - spin_lock_init(&phba->scsi_buf_list_lock); - INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list); - - /* Initialize list of fabric iocbs */ - INIT_LIST_HEAD(&phba->fabric_iocb_list); - - /* Initialize list to save ELS buffers */ - INIT_LIST_HEAD(&phba->elsbuf); - - vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); - if (!vport) - goto out_kthread_stop; - - shost = lpfc_shost_from_vport(vport); - phba->pport = vport; - lpfc_debugfs_initialize(vport); - - pci_set_drvdata(pdev, shost); - - if (phba->cfg_use_msi) { - retval = pci_enable_msi(phba->pcidev); - if (!retval) - phba->using_msi = 1; - else - lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0452 Enable MSI failed, continuing " - "with IRQ\n"); - } - - retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, - LPFC_DRIVER_NAME, phba); - if (retval) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0451 Enable interrupt handler failed\n"); - error = retval; - goto out_disable_msi; - } - - phba->MBslimaddr = phba->slim_memmap_p; - phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; - phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; - phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; - phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; - - if (lpfc_alloc_sysfs_attr(vport)) { - error = -ENOMEM; - goto out_free_irq; - } - - if (lpfc_sli_hba_setup(phba)) { - error = -ENODEV; - goto out_remove_device; - } - - /* - * hba setup may have changed the hba_queue_depth so we need to adjust - * the value of can_queue. - */ - shost->can_queue = phba->cfg_hba_queue_depth - 10; - - lpfc_host_attrib_init(shost); - - if (phba->cfg_poll & DISABLE_FCP_RING_INT) { - spin_lock_irq(shost->host_lock); - lpfc_poll_start_timer(phba); - spin_unlock_irq(shost->host_lock); - } - - scsi_scan_host(shost); - - return 0; - -out_remove_device: - lpfc_free_sysfs_attr(vport); - spin_lock_irq(shost->host_lock); - vport->load_flag |= FC_UNLOADING; - spin_unlock_irq(shost->host_lock); -out_free_irq: - lpfc_stop_phba_timers(phba); - phba->pport->work_port_events = 0; - free_irq(phba->pcidev->irq, phba); -out_disable_msi: - if (phba->using_msi) - pci_disable_msi(phba->pcidev); - destroy_port(vport); -out_kthread_stop: - kthread_stop(phba->worker_thread); -out_free_iocbq: - list_for_each_entry_safe(iocbq_entry, iocbq_next, - &phba->lpfc_iocb_list, list) { - kfree(iocbq_entry); - phba->total_iocbq_bufs--; - } - lpfc_mem_free(phba); -out_free_hbqslimp: - dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, - phba->hbqslimp.phys); -out_free_slim: - dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, - phba->slim2p_mapping); -out_iounmap: - iounmap(phba->ctrl_regs_memmap_p); -out_iounmap_slim: - iounmap(phba->slim_memmap_p); -out_idr_remove: - idr_remove(&lpfc_hba_index, phba->brd_no); -out_free_phba: - kfree(phba); -out_release_regions: - pci_release_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; - spin_lock_irq(&phba->hbalock); - vport->load_flag |= FC_UNLOADING; - spin_unlock_irq(&phba->hbalock); - - kfree(vport->vname); - lpfc_free_sysfs_attr(vport); - - kthread_stop(phba->worker_thread); - - fc_remove_host(shost); - scsi_remove_host(shost); - lpfc_cleanup(vport); - - /* - * Bring down the SLI Layer. This step disable all interrupts, - * clears the rings, discards all mailbox commands, and resets - * the HBA. - */ - lpfc_sli_hba_down(phba); - lpfc_sli_brdrestart(phba); - - lpfc_stop_phba_timers(phba); - spin_lock_irq(&phba->hbalock); - list_del_init(&vport->listentry); - spin_unlock_irq(&phba->hbalock); - - lpfc_debugfs_terminate(vport); - - /* Release the irq reservation */ - free_irq(phba->pcidev->irq, phba); - if (phba->using_msi) - pci_disable_msi(phba->pcidev); - - pci_set_drvdata(pdev, NULL); - scsi_host_put(shost); - - /* - * Call scsi_free before mem_free since scsi bufs are released to their - * corresponding pools here. - */ - lpfc_scsi_free(phba); - lpfc_mem_free(phba); - - dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, - phba->hbqslimp.phys); - - /* Free resources associated with SLI2 interface */ - dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, - phba->slim2p, phba->slim2p_mapping); - - /* unmap adapter SLIM and Control Registers */ - iounmap(phba->ctrl_regs_memmap_p); - iounmap(phba->slim_memmap_p); - - idr_remove(&lpfc_hba_index, phba->brd_no); - - kfree(phba); - - pci_release_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 *shost = pci_get_drvdata(pdev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; - struct lpfc_sli *psli = &phba->sli; - struct lpfc_sli_ring *pring; - - if (state == pci_channel_io_perm_failure) - return PCI_ERS_RESULT_DISCONNECT; - - pci_disable_device(pdev); - /* - * There may be I/Os dropped by the firmware. - * Error iocb (I/O) on txcmplq and let the SCSI layer - * retry it after re-establishing link. - */ - pring = &psli->ring[psli->fcp_ring]; - lpfc_sli_abort_iocb_ring(phba, pring); - - /* Release the irq reservation */ - free_irq(phba->pcidev->irq, phba); - if (phba->using_msi) - pci_disable_msi(phba->pcidev); - - /* Request a slot reset. */ - return PCI_ERS_RESULT_NEED_RESET; -} - -/** - * lpfc_io_slot_reset - called after the pci bus has been reset. - * @pdev: Pointer to PCI device - * - * Restart the card from scratch, as if from a cold-boot. - */ -static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; - struct lpfc_sli *psli = &phba->sli; - 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(shost->host_lock); - phba->pport->fc_flag |= FC_ESTABLISH_LINK; - spin_unlock_irq(shost->host_lock); - - spin_lock_irq(&phba->hbalock); - psli->sli_flag &= ~LPFC_SLI2_ACTIVE; - spin_unlock_irq(&phba->hbalock); - - - /* Take device offline; this will perform cleanup */ - lpfc_offline(phba); - lpfc_sli_brdrestart(phba); - - return PCI_ERS_RESULT_RECOVERED; -} - -/** - * lpfc_io_resume - called when traffic can start flowing again. - * @pdev: Pointer to PCI device - * - * This callback is called when the error recovery driver tells us that - * its OK to resume normal operation. - */ -static void lpfc_io_resume(struct pci_dev *pdev) -{ - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; - - if (lpfc_online(phba) == 0) { - mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); - } -} - -static struct pci_device_id lpfc_id_table[] = { - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_FIREFLY, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_THOR, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PEGASUS, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_CENTAUR, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_DRAGONFLY, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SUPERFLY, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_RFLY, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PFLY, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_SCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_NEPTUNE_DCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_SCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HELIOS_DCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BMID, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_BSMB, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZMID, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZSMB, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_TFLY, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP101, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP10000S, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LP11000S, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LPE11000S, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_MID, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SMB, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_DCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_SCSP, - PCI_ANY_ID, PCI_ANY_ID, }, - {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, - PCI_ANY_ID, PCI_ANY_ID, }, - { 0 } -}; - -MODULE_DEVICE_TABLE(pci, lpfc_id_table); - -static struct pci_error_handlers lpfc_err_handler = { - .error_detected = lpfc_io_error_detected, - .slot_reset = lpfc_io_slot_reset, - .resume = lpfc_io_resume, -}; - -static struct pci_driver lpfc_driver = { - .name = LPFC_DRIVER_NAME, - .id_table = lpfc_id_table, - .probe = lpfc_pci_probe_one, - .remove = __devexit_p(lpfc_pci_remove_one), - .err_handler = &lpfc_err_handler, -}; - -static int __init -lpfc_init(void) -{ - int error = 0; - - printk(LPFC_MODULE_DESC "\n"); - printk(LPFC_COPYRIGHT "\n"); - - if (lpfc_enable_npiv) { - lpfc_transport_functions.vport_create = lpfc_vport_create; - lpfc_transport_functions.vport_delete = lpfc_vport_delete; - } - lpfc_transport_template = - fc_attach_transport(&lpfc_transport_functions); - if (lpfc_transport_template == NULL) - return -ENOMEM; - if (lpfc_enable_npiv) { - lpfc_vport_transport_template = - fc_attach_transport(&lpfc_vport_transport_functions); - if (lpfc_vport_transport_template == NULL) { - fc_release_transport(lpfc_transport_template); - return -ENOMEM; - } - } - error = pci_register_driver(&lpfc_driver); - if (error) { - fc_release_transport(lpfc_transport_template); - fc_release_transport(lpfc_vport_transport_template); - } - - return error; -} - -static void __exit -lpfc_exit(void) -{ - pci_unregister_driver(&lpfc_driver); - fc_release_transport(lpfc_transport_template); - if (lpfc_enable_npiv) - fc_release_transport(lpfc_vport_transport_template); -} - -module_init(lpfc_init); -module_exit(lpfc_exit); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION(LPFC_MODULE_DESC); -MODULE_AUTHOR("Emulex Corporation - tech.support@xxxxxxxxxx"); -MODULE_VERSION("0:" LPFC_DRIVER_VERSION); diff -upNr a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c --- a/drivers/scsi/lpfc/lpfc_scsi.c 2008-01-11 01:04:08.000000000 -0500 +++ b/drivers/scsi/lpfc/lpfc_scsi.c 2008-01-11 01:23:43.000000000 -0500 @@ -1463,7 +1463,7 @@ struct scsi_host_template lpfc_template .slave_destroy = lpfc_slave_destroy, .scan_finished = lpfc_scan_finished, .this_id = -1, - .sg_tablesize = LPFC_SG_SEG_CNT, + .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT, .use_sg_chaining = ENABLE_SG_CHAINING, .cmd_per_lun = LPFC_CMD_PER_LUN, .use_clustering = ENABLE_CLUSTERING, @@ -1484,7 +1484,7 @@ struct scsi_host_template lpfc_vport_tem .slave_destroy = lpfc_slave_destroy, .scan_finished = lpfc_scan_finished, .this_id = -1, - .sg_tablesize = LPFC_SG_SEG_CNT, + .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT, .cmd_per_lun = LPFC_CMD_PER_LUN, .use_clustering = ENABLE_CLUSTERING, .use_sg_chaining = ENABLE_SG_CHAINING, - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html