X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Flpfc%2Flpfc_vport.c;h=109f89d9883021fca9ffb87f5f279f5734481440;hb=8a0ca91e1db5de5eb5b18cfa919d52ff8be375af;hp=fd07d9d7f507009420ab0018bdcf338c9cbd9bc7;hpb=98c9ea5c026ee47efe2a0f595078dbf199d08f50;p=linux-2.6 diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index fd07d9d7f5..109f89d988 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2008 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -216,6 +216,7 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable) int vpi; int rc = VPORT_ERROR; int status; + int size; if ((phba->sli_rev < 3) || !(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { @@ -278,7 +279,20 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable) memcpy(vport->fc_portname.u.wwn, vport->fc_sparam.portName.u.wwn, 8); memcpy(vport->fc_nodename.u.wwn, vport->fc_sparam.nodeName.u.wwn, 8); - + size = strnlen(fc_vport->symbolic_name, LPFC_VNAME_LEN); + if (size) { + vport->vname = kzalloc(size+1, GFP_KERNEL); + if (!vport->vname) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT, + "1814 Create VPORT failed. " + "vname allocation failed.\n"); + rc = VPORT_ERROR; + lpfc_free_vpi(phba, vpi); + destroy_port(vport); + goto error_out; + } + memcpy(vport->vname, fc_vport->symbolic_name, size+1); + } if (fc_vport->node_name != 0) u64_to_wwn(fc_vport->node_name, vport->fc_nodename.u.wwn); if (fc_vport->port_name != 0) @@ -327,7 +341,8 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable) * up and ready to FDISC. */ ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); - if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { + if (ndlp && NLP_CHK_NODE_ACT(ndlp) && + ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) { lpfc_set_disctmo(vport); lpfc_initial_fdisc(vport); @@ -358,7 +373,8 @@ disable_vport(struct fc_vport *fc_vport) long timeout; ndlp = lpfc_findnode_did(vport, Fabric_DID); - if (ndlp && phba->link_state >= LPFC_LINK_UP) { + if (ndlp && NLP_CHK_NODE_ACT(ndlp) + && phba->link_state >= LPFC_LINK_UP) { vport->unreg_vpi_cmpl = VPORT_INVAL; timeout = msecs_to_jiffies(phba->fc_ratov * 2000); if (!lpfc_issue_els_npiv_logo(vport, ndlp)) @@ -372,6 +388,8 @@ disable_vport(struct fc_vport *fc_vport) * calling lpfc_cleanup_rpis(vport, 1) */ list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) continue; lpfc_disc_state_machine(vport, ndlp, NULL, @@ -414,7 +432,8 @@ enable_vport(struct fc_vport *fc_vport) * up and ready to FDISC. */ ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); - if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { + if (ndlp && NLP_CHK_NODE_ACT(ndlp) + && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) { lpfc_set_disctmo(vport); lpfc_initial_fdisc(vport); @@ -445,7 +464,6 @@ int lpfc_vport_delete(struct fc_vport *fc_vport) { struct lpfc_nodelist *ndlp = NULL; - struct lpfc_nodelist *next_ndlp; struct Scsi_Host *shost = (struct Scsi_Host *) fc_vport->shost; struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; struct lpfc_hba *phba = vport->phba; @@ -499,8 +517,43 @@ lpfc_vport_delete(struct fc_vport *fc_vport) scsi_remove_host(lpfc_shost_from_vport(vport)); ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); - if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE && - phba->link_state >= LPFC_LINK_UP) { + + /* In case of driver unload, we shall not perform fabric logo as the + * worker thread already stopped at this stage and, in this case, we + * can safely skip the fabric logo. + */ + if (phba->pport->load_flag & FC_UNLOADING) { + if (ndlp && NLP_CHK_NODE_ACT(ndlp) && + ndlp->nlp_state == NLP_STE_UNMAPPED_NODE && + phba->link_state >= LPFC_LINK_UP) { + /* First look for the Fabric ndlp */ + ndlp = lpfc_findnode_did(vport, Fabric_DID); + if (!ndlp) + goto skip_logo; + else if (!NLP_CHK_NODE_ACT(ndlp)) { + ndlp = lpfc_enable_node(vport, ndlp, + NLP_STE_UNUSED_NODE); + if (!ndlp) + goto skip_logo; + } + /* Remove ndlp from vport npld list */ + lpfc_dequeue_node(vport, ndlp); + + /* Indicate free memory when release */ + spin_lock_irq(&phba->ndlp_lock); + NLP_SET_FREE_REQ(ndlp); + spin_unlock_irq(&phba->ndlp_lock); + /* Kick off release ndlp when it can be safely done */ + lpfc_nlp_put(ndlp); + } + goto skip_logo; + } + + /* Otherwise, we will perform fabric logo as needed */ + if (ndlp && NLP_CHK_NODE_ACT(ndlp) && + ndlp->nlp_state == NLP_STE_UNMAPPED_NODE && + phba->link_state >= LPFC_LINK_UP && + phba->fc_topology != TOPOLOGY_LOOP) { if (vport->cfg_enable_da_id) { timeout = msecs_to_jiffies(phba->fc_ratov * 2000); if (!lpfc_ns_cmd(vport, SLI_CTNS_DA_ID, 0, 0)) @@ -520,8 +573,27 @@ lpfc_vport_delete(struct fc_vport *fc_vport) if (!ndlp) goto skip_logo; lpfc_nlp_init(vport, ndlp, Fabric_DID); + /* Indicate free memory when release */ + NLP_SET_FREE_REQ(ndlp); } else { + if (!NLP_CHK_NODE_ACT(ndlp)) + ndlp = lpfc_enable_node(vport, ndlp, + NLP_STE_UNUSED_NODE); + if (!ndlp) + goto skip_logo; + + /* Remove ndlp from vport npld list */ lpfc_dequeue_node(vport, ndlp); + spin_lock_irq(&phba->ndlp_lock); + if (!NLP_CHK_FREE_REQ(ndlp)) + /* Indicate free memory when release */ + NLP_SET_FREE_REQ(ndlp); + else { + /* Skip this if ndlp is already in free mode */ + spin_unlock_irq(&phba->ndlp_lock); + goto skip_logo; + } + spin_unlock_irq(&phba->ndlp_lock); } vport->unreg_vpi_cmpl = VPORT_INVAL; timeout = msecs_to_jiffies(phba->fc_ratov * 2000); @@ -531,23 +603,20 @@ lpfc_vport_delete(struct fc_vport *fc_vport) } skip_logo: + lpfc_cleanup(vport); lpfc_sli_host_down(vport); - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RECOVERY); - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RM); - } - lpfc_stop_vport_timers(vport); - lpfc_unreg_all_rpis(vport); - lpfc_unreg_default_rpis(vport); - /* - * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi) does the - * scsi_host_put() to release the vport. - */ - lpfc_mbx_unreg_vpi(vport); + + if (!(phba->pport->load_flag & FC_UNLOADING)) { + lpfc_unreg_all_rpis(vport); + lpfc_unreg_default_rpis(vport); + /* + * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi) + * does the scsi_host_put() to release the vport. + */ + lpfc_mbx_unreg_vpi(vport); + } lpfc_free_vpi(phba, vport->vpi); vport->work_port_events = 0; @@ -560,16 +629,13 @@ skip_logo: return VPORT_OK; } -EXPORT_SYMBOL(lpfc_vport_create); -EXPORT_SYMBOL(lpfc_vport_delete); - struct lpfc_vport ** lpfc_create_vport_work_array(struct lpfc_hba *phba) { struct lpfc_vport *port_iterator; struct lpfc_vport **vports; int index = 0; - vports = kzalloc(LPFC_MAX_VPORTS * sizeof(struct lpfc_vport *), + vports = kzalloc((phba->max_vpi + 1) * sizeof(struct lpfc_vport *), GFP_KERNEL); if (vports == NULL) return NULL; @@ -588,12 +654,12 @@ lpfc_create_vport_work_array(struct lpfc_hba *phba) } void -lpfc_destroy_vport_work_array(struct lpfc_vport **vports) +lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports) { int i; if (vports == NULL) return; - for (i=0; vports[i] != NULL && i < LPFC_MAX_VPORTS; i++) + for (i=0; vports[i] != NULL && i <= phba->max_vpi; i++) scsi_host_put(lpfc_shost_from_vport(vports[i])); kfree(vports); }