From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Smart Subject: [PATCH 06/21] lpfc: Fix host reset escalation killing all IOs. Date: Thu, 5 Feb 2015 14:23:52 -0500 Message-ID: <1423164232.7917.30.camel@myfc17> Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from cmexedge2.emulex.com ([138.239.224.100]:20667 "EHLO CMEXEDGE2.ext.emulex.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753315AbbBETYI (ORCPT ); Thu, 5 Feb 2015 14:24:08 -0500 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org --- drivers/scsi/lpfc/lpfc_crtn.h | 1 + drivers/scsi/lpfc/lpfc_init.c | 11 ++++++++--- drivers/scsi/lpfc/lpfc_scsi.c | 25 +++++++++++++++++++++++++ 3 files changed, 34 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 00665a5..665c88c 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -354,6 +354,7 @@ void lpfc_free_sysfs_attr(struct lpfc_vport *); extern struct device_attribute *lpfc_hba_attrs[]; extern struct device_attribute *lpfc_vport_attrs[]; extern struct scsi_host_template lpfc_template; +extern struct scsi_host_template lpfc_template_s3; extern struct scsi_host_template lpfc_vport_template; extern struct fc_function_template lpfc_transport_functions; extern struct fc_function_template lpfc_vport_transport_functions; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 4ba91af..74672e0 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -3257,12 +3257,17 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) struct Scsi_Host *shost; int error = 0; - if (dev != &phba->pcidev->dev) + if (dev != &phba->pcidev->dev) { shost = scsi_host_alloc(&lpfc_vport_template, sizeof(struct lpfc_vport)); - else - shost = scsi_host_alloc(&lpfc_template, + } else { + if (phba->sli_rev == LPFC_SLI_REV4) + shost = scsi_host_alloc(&lpfc_template, sizeof(struct lpfc_vport)); + else + shost = scsi_host_alloc(&lpfc_template_s3, + sizeof(struct lpfc_vport)); + } if (!shost) goto out; diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 4f9222e..f623299 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -5857,6 +5857,31 @@ lpfc_disable_oas_lun(struct lpfc_hba *phba, struct lpfc_name *vport_wwpn, return false; } +struct scsi_host_template lpfc_template_s3 = { + .module = THIS_MODULE, + .name = LPFC_DRIVER_NAME, + .info = lpfc_info, + .queuecommand = lpfc_queuecommand, + .eh_abort_handler = lpfc_abort_handler, + .eh_device_reset_handler = lpfc_device_reset_handler, + .eh_target_reset_handler = lpfc_target_reset_handler, + .eh_bus_reset_handler = lpfc_bus_reset_handler, + .slave_alloc = lpfc_slave_alloc, + .slave_configure = lpfc_slave_configure, + .slave_destroy = lpfc_slave_destroy, + .scan_finished = lpfc_scan_finished, + .this_id = -1, + .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT, + .cmd_per_lun = LPFC_CMD_PER_LUN, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = lpfc_hba_attrs, + .max_sectors = 0xFFFF, + .vendor_id = LPFC_NL_VENDOR_ID, + .change_queue_depth = scsi_change_queue_depth, + .use_blk_tags = 1, + .track_queue_depth = 1, +}; + struct scsi_host_template lpfc_template = { .module = THIS_MODULE, .name = LPFC_DRIVER_NAME, -- 1.7.11.7 Signed-off-by: James Smart Signed-off-by: Dick Kennedy