/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2008 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2009 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
#include <linux/blkdev.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
+#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
+#include "lpfc_sli4.h"
+#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
int
lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
- struct serv_parm * sp, uint32_t class)
+ struct serv_parm *sp, uint32_t class, int flogi)
{
volatile struct serv_parm *hsp = &vport->fc_sparam;
uint16_t hsp_value, ssp_value = 0;
* correcting the byte values.
*/
if (sp->cls1.classValid) {
- hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) |
- hsp->cls1.rcvDataSizeLsb;
- ssp_value = (sp->cls1.rcvDataSizeMsb << 8) |
- sp->cls1.rcvDataSizeLsb;
- if (!ssp_value)
- goto bad_service_param;
- if (ssp_value > hsp_value) {
- sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb;
- sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb;
+ if (!flogi) {
+ hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) |
+ hsp->cls1.rcvDataSizeLsb);
+ ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) |
+ sp->cls1.rcvDataSizeLsb);
+ if (!ssp_value)
+ goto bad_service_param;
+ if (ssp_value > hsp_value) {
+ sp->cls1.rcvDataSizeLsb =
+ hsp->cls1.rcvDataSizeLsb;
+ sp->cls1.rcvDataSizeMsb =
+ hsp->cls1.rcvDataSizeMsb;
+ }
}
- } else if (class == CLASS1) {
+ } else if (class == CLASS1)
goto bad_service_param;
- }
-
if (sp->cls2.classValid) {
- hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) |
- hsp->cls2.rcvDataSizeLsb;
- ssp_value = (sp->cls2.rcvDataSizeMsb << 8) |
- sp->cls2.rcvDataSizeLsb;
- if (!ssp_value)
- goto bad_service_param;
- if (ssp_value > hsp_value) {
- sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb;
- sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb;
+ if (!flogi) {
+ hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) |
+ hsp->cls2.rcvDataSizeLsb);
+ ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) |
+ sp->cls2.rcvDataSizeLsb);
+ if (!ssp_value)
+ goto bad_service_param;
+ if (ssp_value > hsp_value) {
+ sp->cls2.rcvDataSizeLsb =
+ hsp->cls2.rcvDataSizeLsb;
+ sp->cls2.rcvDataSizeMsb =
+ hsp->cls2.rcvDataSizeMsb;
+ }
}
- } else if (class == CLASS2) {
+ } else if (class == CLASS2)
goto bad_service_param;
- }
-
if (sp->cls3.classValid) {
- hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) |
- hsp->cls3.rcvDataSizeLsb;
- ssp_value = (sp->cls3.rcvDataSizeMsb << 8) |
- sp->cls3.rcvDataSizeLsb;
- if (!ssp_value)
- goto bad_service_param;
- if (ssp_value > hsp_value) {
- sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb;
- sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb;
+ if (!flogi) {
+ hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) |
+ hsp->cls3.rcvDataSizeLsb);
+ ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) |
+ sp->cls3.rcvDataSizeLsb);
+ if (!ssp_value)
+ goto bad_service_param;
+ if (ssp_value > hsp_value) {
+ sp->cls3.rcvDataSizeLsb =
+ hsp->cls3.rcvDataSizeLsb;
+ sp->cls3.rcvDataSizeMsb =
+ hsp->cls3.rcvDataSizeMsb;
+ }
}
- } else if (class == CLASS3) {
+ } else if (class == CLASS3)
goto bad_service_param;
- }
/*
* Preserve the upper four bits of the MSB from the PLOGI response.
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING];
struct lpfc_iocbq *iocb, *next_iocb;
- IOCB_t *cmd;
/* Abort outstanding I/O on NPort <nlp_DID> */
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY,
}
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);
- }
- }
+ /* Cancel all the IOCBs from the completions list */
+ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+ IOERR_SLI_ABORTED);
+
lpfc_cancel_retry_delay_tmo(phba->pport, ndlp);
return 0;
}
int rc;
memset(&stat, 0, sizeof (struct ls_rjt));
- if (vport->port_state <= LPFC_FLOGI) {
+ if (vport->port_state <= LPFC_FDISC) {
/* Before responding to PLOGI, check for pt2pt mode.
* If we are pt2pt, with an outstanding FLOGI, abort
* the FLOGI and resend it first.
NULL);
return 0;
}
- if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3) == 0)) {
+ if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) {
/* Reject this request because invalid parameters */
stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
if (!mbox)
goto out;
- rc = lpfc_reg_login(phba, vport->vpi, icmd->un.rcvels.remoteID,
+ rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID,
(uint8_t *) sp, mbox, 0);
if (rc) {
mempool_free(mbox, phba->mbox_mem_pool);
struct lpfc_iocbq *cmdiocb, uint32_t els_cmd)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_vport **vports;
+ int i, active_vlink_present = 0 ;
/* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */
/* Only call LOGO ACC for first LOGO, this avoids sending unnecessary
lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
else
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
+ if (ndlp->nlp_DID == Fabric_DID) {
+ if (vport->port_state <= LPFC_FDISC)
+ goto out;
+ lpfc_linkdown_port(vport);
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_LOGO_RCVD;
+ spin_unlock_irq(shost->host_lock);
+ vports = lpfc_create_vport_work_array(phba);
+ if (vports) {
+ for (i = 0; i <= phba->max_vports && vports[i] != NULL;
+ i++) {
+ if ((!(vports[i]->fc_flag &
+ FC_VPORT_LOGO_RCVD)) &&
+ (vports[i]->port_state > LPFC_FDISC)) {
+ active_vlink_present = 1;
+ break;
+ }
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+ }
- if ((!(ndlp->nlp_type & NLP_FABRIC) &&
- ((ndlp->nlp_type & NLP_FCP_TARGET) ||
- !(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
- (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
+ if (active_vlink_present) {
+ /*
+ * If there are other active VLinks present,
+ * re-instantiate the Vlink using FDISC.
+ */
+ mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag |= NLP_DELAY_TMO;
+ spin_unlock_irq(shost->host_lock);
+ ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
+ vport->port_state = LPFC_FDISC;
+ } else {
+ spin_lock_irq(shost->host_lock);
+ phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG;
+ spin_unlock_irq(shost->host_lock);
+ lpfc_retry_pport_discovery(phba);
+ }
+ } else if ((!(ndlp->nlp_type & NLP_FABRIC) &&
+ ((ndlp->nlp_type & NLP_FCP_TARGET) ||
+ !(ndlp->nlp_type & NLP_FCP_INITIATOR))) ||
+ (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) {
/* Only try to re-login if this is NOT a Fabric Node */
mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
spin_lock_irq(shost->host_lock);
ndlp->nlp_last_elscmd = ELS_CMD_PLOGI;
}
+out:
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
- if (!ndlp->nlp_rpi) {
+ if (!(ndlp->nlp_flag & NLP_RPI_VALID)) {
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
return 0;
}
lpfc_unreg_rpi(vport, ndlp);
return 0;
}
+/**
+ * lpfc_release_rpi - Release a RPI by issueing unreg_login mailbox cmd.
+ * @phba : Pointer to lpfc_hba structure.
+ * @vport: Pointer to lpfc_vport structure.
+ * @rpi : rpi to be release.
+ *
+ * This function will send a unreg_login mailbox command to the firmware
+ * to release a rpi.
+ **/
+void
+lpfc_release_rpi(struct lpfc_hba *phba,
+ struct lpfc_vport *vport,
+ uint16_t rpi)
+{
+ LPFC_MBOXQ_t *pmb;
+ int rc;
+
+ pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+ GFP_KERNEL);
+ if (!pmb)
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
+ "2796 mailbox memory allocation failed \n");
+ else {
+ lpfc_unreg_login(phba, vport->vpi, rpi, pmb);
+ pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED)
+ mempool_free(pmb, phba->mbox_mem_pool);
+ }
+}
static uint32_t
lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
+ struct lpfc_hba *phba;
+ LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
+ MAILBOX_t *mb;
+ uint16_t rpi;
+
+ phba = vport->phba;
+ /* Release the RPI if reglogin completing */
+ if (!(phba->pport->load_flag & FC_UNLOADING) &&
+ (evt == NLP_EVT_CMPL_REG_LOGIN) &&
+ (!pmb->u.mb.mbxStatus)) {
+ mb = &pmb->u.mb;
+ rpi = pmb->u.mb.un.varWords[0];
+ lpfc_release_rpi(phba, vport, rpi);
+ }
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
"0271 Illegal State Transition: node x%x "
"event x%x, state x%x Data: x%x x%x\n",
"0142 PLOGI RSP: Invalid WWN.\n");
goto out;
}
- if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3))
+ if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0))
goto out;
/* PLOGI chkparm OK */
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
lpfc_unreg_rpi(vport, ndlp);
- if (lpfc_reg_login(phba, vport->vpi, irsp->un.elsreq64.remoteID,
+ if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID,
(uint8_t *) sp, mbox, 0) == 0) {
switch (ndlp->nlp_DID) {
case NameServer_DID:
lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport,
struct lpfc_nodelist *ndlp, void *arg, uint32_t evt)
{
+ struct lpfc_hba *phba;
+ LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
+ MAILBOX_t *mb = &pmb->u.mb;
+ uint16_t rpi;
+
+ phba = vport->phba;
+ /* Release the RPI */
+ if (!(phba->pport->load_flag & FC_UNLOADING) &&
+ !mb->mbxStatus) {
+ rpi = pmb->u.mb.un.varWords[0];
+ lpfc_release_rpi(phba, vport, rpi);
+ }
return ndlp->nlp_state;
}
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
spin_unlock_irq(shost->host_lock);
-
- if (vport->num_disc_nodes) {
+ if (vport->num_disc_nodes)
lpfc_more_adisc(vport);
- if ((vport->num_disc_nodes == 0) &&
- (vport->fc_npr_cnt))
- lpfc_els_disc_plogi(vport);
- if (vport->num_disc_nodes == 0) {
- spin_lock_irq(shost->host_lock);
- vport->fc_flag &= ~FC_NDISC_ACTIVE;
- spin_unlock_irq(shost->host_lock);
- lpfc_can_disctmo(vport);
- lpfc_end_rscn(vport);
- }
- }
}
return ndlp->nlp_state;
}
struct lpfc_iocbq *cmdiocb, *rspiocb;
IOCB_t *irsp;
ADISC *ap;
+ int rc;
cmdiocb = (struct lpfc_iocbq *) arg;
rspiocb = cmdiocb->context_un.rsp_iocb;
return ndlp->nlp_state;
}
+ if (phba->sli_rev == LPFC_SLI_REV4) {
+ rc = lpfc_sli4_resume_rpi(ndlp);
+ if (rc) {
+ /* Stay in state and retry. */
+ ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
+ return ndlp->nlp_state;
+ }
+ }
+
if (ndlp->nlp_type & NLP_FCP_TARGET) {
ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
}
+
return ndlp->nlp_state;
}
/* cleanup any ndlp on mbox q waiting for reglogin cmpl */
if ((mb = phba->sli.mbox_active)) {
- if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
+ if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
(ndlp == (struct lpfc_nodelist *) mb->context2)) {
lpfc_nlp_put(ndlp);
mb->context2 = NULL;
spin_lock_irq(&phba->hbalock);
list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
- if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
+ if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
(ndlp == (struct lpfc_nodelist *) mb->context2)) {
+ if (phba->sli_rev == LPFC_SLI_REV4) {
+ spin_unlock_irq(&phba->hbalock);
+ lpfc_sli4_free_rpi(phba,
+ mb->u.mb.un.varRegLogin.rpi);
+ spin_lock_irq(&phba->hbalock);
+ }
mp = (struct lpfc_dmabuf *) (mb->context1);
if (mp) {
__lpfc_mbuf_free(phba, mp->virt, mp->phys);
}
lpfc_nlp_put(ndlp);
list_del(&mb->list);
+ phba->sli.mboxq_cnt--;
mempool_free(mb, phba->mbox_mem_pool);
}
}
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
- MAILBOX_t *mb = &pmb->mb;
+ MAILBOX_t *mb = &pmb->u.mb;
uint32_t did = mb->un.varWords[1];
if (mb->mbxStatus) {
}
ndlp->nlp_rpi = mb->un.varWords[0];
+ ndlp->nlp_flag |= NLP_RPI_VALID;
/* Only if we are not a fabric nport do we issue PRLI */
if (!(ndlp->nlp_type & NLP_FABRIC)) {
lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ if (ndlp->nlp_DID == Fabric_DID) {
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
+ spin_unlock_irq(shost->host_lock);
+ }
lpfc_unreg_rpi(vport, ndlp);
- /* This routine does nothing, just return the current state */
return ndlp->nlp_state;
}
void *arg, uint32_t evt)
{
LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
- MAILBOX_t *mb = &pmb->mb;
+ MAILBOX_t *mb = &pmb->u.mb;
- if (!mb->mbxStatus)
+ if (!mb->mbxStatus) {
ndlp->nlp_rpi = mb->un.varWords[0];
- else {
+ ndlp->nlp_flag |= NLP_RPI_VALID;
+ } else {
if (ndlp->nlp_flag & NLP_NODEV_REMOVE) {
lpfc_drop_node(vport, ndlp);
return NLP_STE_FREED_NODE;
if (vport->fc_flag & FC_RSCN_DEFERRED)
return ndlp->nlp_state;
+ lpfc_cancel_retry_delay_tmo(vport, ndlp);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
spin_unlock_irq(shost->host_lock);
- lpfc_cancel_retry_delay_tmo(vport, ndlp);
return ndlp->nlp_state;
}
lpfc_nlp_put(ndlp);
} else {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
- "0212 DSM out state %d on NPort free\n", rc);
+ "0213 DSM out state %d on NPort free\n", rc);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
"DSM out: ste:%d did:x%x flg:x%x",
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff