.dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
.terminate_rport_io = lpfc_terminate_rport_io,
- /* Vport fields are filled in at runtime based on enable_npiv */
- .vport_create = NULL,
- .vport_delete = NULL,
- .vport_disable = NULL,
.dd_fcvport_size = sizeof(struct lpfc_vport *),
};
+struct fc_function_template lpfc_vport_transport_functions = {
+ /* fixed attributes the driver supports */
+ .show_host_node_name = 1,
+ .show_host_port_name = 1,
+ .show_host_supported_classes = 1,
+ .show_host_supported_fc4s = 1,
+ .show_host_supported_speeds = 1,
+ .show_host_maxframe_size = 1,
+
+ /* dynamic attributes the driver supports */
+ .get_host_port_id = lpfc_get_host_port_id,
+ .show_host_port_id = 1,
+
+ .get_host_port_type = lpfc_get_host_port_type,
+ .show_host_port_type = 1,
+
+ .get_host_port_state = lpfc_get_host_port_state,
+ .show_host_port_state = 1,
+
+ /* active_fc4s is shown but doesn't change (thus no get function) */
+ .show_host_active_fc4s = 1,
+
+ .get_host_speed = lpfc_get_host_speed,
+ .show_host_speed = 1,
+
+ .get_host_fabric_name = lpfc_get_host_fabric_name,
+ .show_host_fabric_name = 1,
+
+ /*
+ * The LPFC driver treats linkdown handling as target loss events
+ * so there are no sysfs handlers for link_down_tmo.
+ */
+
+ .get_fc_host_stats = lpfc_get_stats,
+ .reset_fc_host_stats = lpfc_reset_stats,
+
+ .dd_fcrport_size = sizeof(struct lpfc_rport_data),
+ .show_rport_maxframe_size = 1,
+ .show_rport_supported_classes = 1,
+
+ .set_rport_dev_loss_tmo = lpfc_set_rport_loss_tmo,
+ .show_rport_dev_loss_tmo = 1,
+
+ .get_starget_port_id = lpfc_get_starget_port_id,
+ .show_starget_port_id = 1,
+
+ .get_starget_node_name = lpfc_get_starget_node_name,
+ .show_starget_node_name = 1,
+
+ .get_starget_port_name = lpfc_get_starget_port_name,
+ .show_starget_port_name = 1,
+
+ .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk,
+ .terminate_rport_io = lpfc_terminate_rport_io,
+
+ .vport_disable = lpfc_vport_disable,
+};
+
void
lpfc_get_cfgparam(struct lpfc_hba *phba)
{
void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
int lpfc_nlp_put(struct lpfc_nodelist *);
+int lpfc_nlp_not_used(struct lpfc_nodelist *ndlp);
struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
void lpfc_disc_list_loopmap(struct lpfc_vport *);
void lpfc_disc_start(struct lpfc_vport *);
extern struct scsi_host_template lpfc_template;
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;
extern int lpfc_sli_mode;
extern int lpfc_enable_npiv;
((lpfc_find_vport_by_did(phba, Did) == NULL) ||
vport->cfg_peer_port_login)) {
if ((vport->port_type != LPFC_NPIV_PORT) ||
- (!vport->ct_flags & FC_CT_RFF_ID) ||
+ (!(vport->ct_flags & FC_CT_RFF_ID)) ||
(!vport->cfg_restrict_login)) {
ndlp = lpfc_setup_disc_node(vport, Did);
if (ndlp) {
IOCB_t *irsp = &rspiocb->iocb;
struct lpfc_vport *vport = cmdiocb->vport;
- if (irsp->ulpStatus == IOSTAT_SUCCESS)
- vport->ct_flags |= FC_CT_RFT_ID;
+ if (irsp->ulpStatus == IOSTAT_SUCCESS) {
+ struct lpfc_dmabuf *outp;
+ struct lpfc_sli_ct_request *CTrsp;
+
+ outp = (struct lpfc_dmabuf *) cmdiocb->context2;
+ CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+ if (CTrsp->CommandResponse.bits.CmdRsp ==
+ be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
+ vport->ct_flags |= FC_CT_RFT_ID;
+ }
lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
return;
}
IOCB_t *irsp = &rspiocb->iocb;
struct lpfc_vport *vport = cmdiocb->vport;
- if (irsp->ulpStatus == IOSTAT_SUCCESS)
- vport->ct_flags |= FC_CT_RNN_ID;
+ if (irsp->ulpStatus == IOSTAT_SUCCESS) {
+ struct lpfc_dmabuf *outp;
+ struct lpfc_sli_ct_request *CTrsp;
+
+ outp = (struct lpfc_dmabuf *) cmdiocb->context2;
+ CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+ if (CTrsp->CommandResponse.bits.CmdRsp ==
+ be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
+ vport->ct_flags |= FC_CT_RNN_ID;
+ }
lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
return;
}
IOCB_t *irsp = &rspiocb->iocb;
struct lpfc_vport *vport = cmdiocb->vport;
- if (irsp->ulpStatus == IOSTAT_SUCCESS)
- vport->ct_flags |= FC_CT_RSPN_ID;
+ if (irsp->ulpStatus == IOSTAT_SUCCESS) {
+ struct lpfc_dmabuf *outp;
+ struct lpfc_sli_ct_request *CTrsp;
+
+ outp = (struct lpfc_dmabuf *) cmdiocb->context2;
+ CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+ if (CTrsp->CommandResponse.bits.CmdRsp ==
+ be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
+ vport->ct_flags |= FC_CT_RSPN_ID;
+ }
lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
return;
}
IOCB_t *irsp = &rspiocb->iocb;
struct lpfc_vport *vport = cmdiocb->vport;
- if (irsp->ulpStatus == IOSTAT_SUCCESS)
- vport->ct_flags |= FC_CT_RSNN_NN;
+ if (irsp->ulpStatus == IOSTAT_SUCCESS) {
+ struct lpfc_dmabuf *outp;
+ struct lpfc_sli_ct_request *CTrsp;
+
+ outp = (struct lpfc_dmabuf *) cmdiocb->context2;
+ CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+ if (CTrsp->CommandResponse.bits.CmdRsp ==
+ be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
+ vport->ct_flags |= FC_CT_RSNN_NN;
+ }
lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
return;
}
IOCB_t *irsp = &rspiocb->iocb;
struct lpfc_vport *vport = cmdiocb->vport;
- if (irsp->ulpStatus == IOSTAT_SUCCESS)
- vport->ct_flags |= FC_CT_RFF_ID;
+ if (irsp->ulpStatus == IOSTAT_SUCCESS) {
+ struct lpfc_dmabuf *outp;
+ struct lpfc_sli_ct_request *CTrsp;
+
+ outp = (struct lpfc_dmabuf *) cmdiocb->context2;
+ CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
+ if (CTrsp->CommandResponse.bits.CmdRsp ==
+ be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
+ vport->ct_flags |= FC_CT_RFF_ID;
+ }
lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
return;
}
LPFC_EVT_WARM_START,
LPFC_EVT_KILL,
LPFC_EVT_ELS_RETRY,
- LPFC_EVT_DEV_LOSS_DELAY,
LPFC_EVT_DEV_LOSS,
};
#define NLP_RM_DFLT_RPI 0x4000000 /* need to remove leftover dflt RPI */
#define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */
#define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */
+#define NLP_DELAYED_RM 0x20000000 /* Defer UNUSED List removal */
/* There are 4 different double linked lists nodelist entries can reside on.
* The Port Login (PLOGI) list and Address Discovery (ADISC) list are used
/* fill in BDEs for command */
/* Allocate buffer for command payload */
- if (((pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
- ((pcmd->virt = lpfc_mbuf_alloc(phba,
- MEM_PRI, &(pcmd->phys))) == 0)) {
+ pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+ if (pcmd)
+ pcmd->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pcmd->phys);
+ if (!pcmd || !pcmd->virt) {
kfree(pcmd);
lpfc_sli_release_iocbq(phba, elsiocb);
if (prsp)
prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
&prsp->phys);
- if (prsp == 0 || prsp->virt == 0) {
+ if (!prsp || !prsp->virt) {
kfree(prsp);
lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
kfree(pcmd);
if (pbuflist)
pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
&pbuflist->phys);
- if (pbuflist == 0 || pbuflist->virt == 0) {
+ if (!pbuflist || !pbuflist->virt) {
lpfc_sli_release_iocbq(phba, elsiocb);
lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys);
lpfc_mbuf_free(phba, prsp->virt, prsp->phys);
struct lpfc_nodelist *ndlp;
struct serv_parm *sp;
int rc;
+ int err = 0;
sp = &phba->fc_fabparam;
ndlp = lpfc_findnode_did(vport, Fabric_DID);
- if (!ndlp)
+ if (!ndlp) {
+ err = 1;
goto fail;
+ }
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox)
+ if (!mbox) {
+ err = 2;
goto fail;
+ }
vport->port_state = LPFC_FABRIC_CFG_LINK;
lpfc_config_link(phba, mbox);
mbox->vport = vport;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED)
+ if (rc == MBX_NOT_FINISHED) {
+ err = 3;
goto fail_free_mbox;
+ }
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox)
+ if (!mbox) {
+ err = 4;
goto fail;
+ }
rc = lpfc_reg_login(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox,
0);
- if (rc)
+ if (rc) {
+ err = 5;
goto fail_free_mbox;
+ }
mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
mbox->vport = vport;
mbox->context2 = lpfc_nlp_get(ndlp);
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED)
+ if (rc == MBX_NOT_FINISHED) {
+ err = 6;
goto fail_issue_reg_login;
+ }
return 0;
fail:
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
- "0249 Cannot issue Register Fabric login\n");
+ "0249 Cannot issue Register Fabric login: Err %d\n", err);
return -ENXIO;
}
struct lpfc_hba *phba = vport->phba;
struct lpfc_nodelist *ndlp;
+ vport->port_state = LPFC_FLOGI;
+ lpfc_set_disctmo(vport);
+
/* First look for the Fabric ndlp */
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp) {
lpfc_nlp_init(vport, ndlp, Fabric_DID);
} else {
lpfc_dequeue_node(vport, ndlp);
+
+ /* If we go thru this path, Fabric_DID ndlp is in the process
+ * of being removed. We need to bump the reference count by 1
+ * so it stays around all through this link up period.
+ */
+ lpfc_nlp_get(ndlp);
}
if (lpfc_issue_els_flogi(vport, ndlp, 0)) {
lpfc_nlp_put(ndlp);
struct lpfc_hba *phba = vport->phba;
struct serv_parm *sp;
IOCB_t *icmd;
+ struct lpfc_nodelist *ndlp;
struct lpfc_iocbq *elsiocb;
struct lpfc_sli_ring *pring;
struct lpfc_sli *psli;
psli = &phba->sli;
pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
+ ndlp = lpfc_findnode_did(vport, did);
+ /* If ndlp if not NULL, we will bump the reference count on it */
+
cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
- elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, NULL, did,
+ elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did,
ELS_CMD_PLOGI);
if (!elsiocb)
return 1;
psli = &phba->sli;
pring = &psli->ring[LPFC_ELS_RING];
+ spin_lock_irq(shost->host_lock);
+ if (ndlp->nlp_flag & NLP_LOGO_SND) {
+ spin_unlock_irq(shost->host_lock);
+ return 0;
+ }
+ spin_unlock_irq(shost->host_lock);
+
cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name);
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
ndlp->nlp_DID, ELS_CMD_LOGO);
uint32_t *elscmd;
struct ls_rjt stat;
int retry = 0, maxretry = lpfc_max_els_tries, delay = 0;
+ int logerr = 0;
uint32_t cmd = 0;
uint32_t did;
break;
case IOERR_NO_RESOURCES:
+ logerr = 1; /* HBA out of resources */
retry = 1;
if (cmdiocb->retry > 100)
delay = 100;
case IOSTAT_NPORT_BSY:
case IOSTAT_FABRIC_BSY:
+ logerr = 1; /* Fabric / Remote NPort out of resources */
retry = 1;
break;
if (did == FDMI_DID)
retry = 1;
+ if ((cmd == ELS_CMD_FLOGI) &&
+ (phba->fc_topology != TOPOLOGY_LOOP)) {
+ /* FLOGI retry policy */
+ retry = 1;
+ maxretry = 48;
+ if (cmdiocb->retry >= 32)
+ delay = 1000;
+ }
+
if ((++cmdiocb->retry) >= maxretry) {
phba->fc_stat.elsRetryExceeded++;
retry = 0;
}
}
/* No retry ELS command <elsCmd> to remote NPORT <did> */
- lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ if (logerr) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0137 No retry ELS command x%x to remote "
+ "NPORT x%x: Out of Resources: Error:x%x/%x\n",
+ cmd, did, irsp->ulpStatus,
+ irsp->un.ulpWord[4]);
+ }
+ else {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"0108 No retry ELS command x%x to remote "
"NPORT x%x Retried:%d Error:x%x/%x\n",
cmd, did, cmdiocb->retry, irsp->ulpStatus,
irsp->un.ulpWord[4]);
+ }
return 0;
}
kfree(mp);
mempool_free(pmb, phba->mbox_mem_pool);
lpfc_nlp_put(ndlp);
+
+ /* This is the end of the default RPI cleanup logic for this
+ * ndlp. If no other discovery threads are using this ndlp.
+ * we should free all resources associated with it.
+ */
+ lpfc_nlp_not_used(ndlp);
return;
}
}
mempool_free(mbox, phba->mbox_mem_pool);
}
+ if (ndlp && (ndlp->nlp_flag & NLP_RM_DFLT_RPI))
+ if (lpfc_nlp_not_used(ndlp))
+ ndlp = NULL;
goto out;
}
!= MBX_NOT_FINISHED) {
goto out;
}
- lpfc_nlp_put(ndlp);
- /* NOTE: we should have messages for unsuccessful
- reglogin */
+
+ /* ELS rsp: Cannot issue reg_login for <NPortid> */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0138 ELS rsp: Cannot issue reg_login for x%x "
+ "Data: x%x x%x x%x\n",
+ ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
+ ndlp->nlp_rpi);
+
+ if (lpfc_nlp_not_used(ndlp))
+ ndlp = NULL;
} else {
/* Do not drop node for lpfc_els_abort'ed ELS cmds */
if (!lpfc_error_lost_link(irsp) &&
ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
- lpfc_drop_node(vport, ndlp);
- ndlp = NULL;
+ if (lpfc_nlp_not_used(ndlp))
+ ndlp = NULL;
}
}
mp = (struct lpfc_dmabuf *) mbox->context1;
/* If the node is in the UNUSED state, and we are sending
* a reject, we are done with it. Release driver reference
* count here. The outstanding els will release its reference on
- * completion and the node can be freed then.
+ * completion, as long as the ndlp stays in the UNUSED list,
+ * and the node can be freed then.
*/
- if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
+ if ((ndlp->nlp_state == NLP_STE_UNUSED_NODE) &&
+ !(ndlp->nlp_flag & NLP_DELAYED_RM)) {
+ ndlp->nlp_flag |= NLP_DELAYED_RM;
lpfc_nlp_put(ndlp);
+ }
if (rc == IOCB_ERROR) {
lpfc_els_free_iocb(phba, elsiocb);
}
}
- vport->port_state = LPFC_FLOGI;
- lpfc_set_disctmo(vport);
lpfc_initial_flogi(vport);
return 0;
}
goto dropit;
lpfc_nlp_init(vport, ndlp, did);
+ lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
newnode = 1;
if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) {
ndlp->nlp_type |= NLP_FABRIC;
}
- lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
}
phba->fc_stat.elsRcvFrame++;
phba->fc_stat.elsRcvFLOGI++;
lpfc_els_rcv_flogi(vport, elsiocb, ndlp);
- if (newnode)
- lpfc_drop_node(vport, ndlp);
+ if (newnode && (!(ndlp->nlp_flag & NLP_DELAYED_RM)))
+ lpfc_nlp_put(ndlp);
break;
case ELS_CMD_LOGO:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
case ELS_CMD_RSCN:
phba->fc_stat.elsRcvRSCN++;
lpfc_els_rcv_rscn(vport, elsiocb, ndlp);
- if (newnode)
- lpfc_drop_node(vport, ndlp);
+ if (newnode && (!(ndlp->nlp_flag & NLP_DELAYED_RM)))
+ lpfc_nlp_put(ndlp);
break;
case ELS_CMD_ADISC:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
phba->fc_stat.elsRcvLIRR++;
lpfc_els_rcv_lirr(vport, elsiocb, ndlp);
- if (newnode)
- lpfc_drop_node(vport, ndlp);
+ if (newnode && (!(ndlp->nlp_flag & NLP_DELAYED_RM)))
+ lpfc_nlp_put(ndlp);
break;
case ELS_CMD_RPS:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
phba->fc_stat.elsRcvRPS++;
lpfc_els_rcv_rps(vport, elsiocb, ndlp);
- if (newnode)
- lpfc_drop_node(vport, ndlp);
+ if (newnode && (!(ndlp->nlp_flag & NLP_DELAYED_RM)))
+ lpfc_nlp_put(ndlp);
break;
case ELS_CMD_RPL:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
phba->fc_stat.elsRcvRPL++;
lpfc_els_rcv_rpl(vport, elsiocb, ndlp);
- if (newnode)
- lpfc_drop_node(vport, ndlp);
+ if (newnode && (!(ndlp->nlp_flag & NLP_DELAYED_RM)))
+ lpfc_nlp_put(ndlp);
break;
case ELS_CMD_RNID:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
phba->fc_stat.elsRcvRNID++;
lpfc_els_rcv_rnid(vport, elsiocb, ndlp);
- if (newnode)
- lpfc_drop_node(vport, ndlp);
+ if (newnode && (!(ndlp->nlp_flag & NLP_DELAYED_RM)))
+ lpfc_nlp_put(ndlp);
break;
default:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0115 Unknown ELS command x%x "
"received from NPORT x%x\n", cmd, did);
- if (newnode)
- lpfc_drop_node(vport, ndlp);
+ if (newnode && (!(ndlp->nlp_flag & NLP_DELAYED_RM)))
+ lpfc_nlp_put(ndlp);
break;
}
return;
dropit:
- lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
+ if (vport && !(vport->load_flag & FC_UNLOADING))
+ lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
"(%d):0111 Dropping received ELS cmd "
"Data: x%x x%x x%x\n",
- vport ? vport->vpi : 0xffff, icmd->ulpStatus,
+ vport->vpi, icmd->ulpStatus,
icmd->un.ulpWord[4], icmd->ulpTimeout);
phba->fc_stat.elsRcvDrop++;
}
struct lpfc_nodelist * ndlp;
struct lpfc_vport *vport;
struct lpfc_hba *phba;
- struct completion devloss_compl;
struct lpfc_work_evt *evtp;
rdata = rport->dd_data;
"rport devlosscb: sid:x%x did:x%x flg:x%x",
ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag);
- init_completion(&devloss_compl);
evtp = &ndlp->dev_loss_evt;
if (!list_empty(&evtp->evt_listp))
spin_lock_irq(&phba->hbalock);
evtp->evt_arg1 = ndlp;
- evtp->evt_arg2 = &devloss_compl;
evtp->evt = LPFC_EVT_DEV_LOSS;
list_add_tail(&evtp->evt_listp, &phba->work_list);
if (phba->work_wait)
spin_unlock_irq(&phba->hbalock);
- wait_for_completion(&devloss_compl);
-
return;
}
{
struct lpfc_work_evt *evtp = NULL;
struct lpfc_nodelist *ndlp;
- struct lpfc_vport *vport;
int free_evt;
spin_lock_irq(&phba->hbalock);
spin_unlock_irq(&phba->hbalock);
free_evt = 1;
switch (evtp->evt) {
- case LPFC_EVT_DEV_LOSS_DELAY:
- free_evt = 0; /* evt is part of ndlp */
- ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1);
- vport = ndlp->vport;
- if (!vport)
- break;
-
- lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
- "rport devlossdly:did:x%x flg:x%x",
- ndlp->nlp_DID, ndlp->nlp_flag, 0);
-
- if (!(vport->load_flag & FC_UNLOADING) &&
- !(ndlp->nlp_flag & NLP_DELAY_TMO) &&
- !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) {
- lpfc_disc_state_machine(vport, ndlp, NULL,
- NLP_EVT_DEVICE_RM);
- }
- break;
case LPFC_EVT_ELS_RETRY:
ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1);
lpfc_els_retry_delay_handler(ndlp);
lpfc_nlp_get(ndlp);
lpfc_dev_loss_tmo_handler(ndlp);
free_evt = 0;
- complete((struct completion *)(evtp->evt_arg2));
lpfc_nlp_put(ndlp);
break;
case LPFC_EVT_ONLINE:
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
continue;
- if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN)
+ if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) ||
+ ((vport->port_type == LPFC_NPIV_PORT) &&
+ (ndlp->nlp_DID == NameServer_DID)))
lpfc_unreg_rpi(vport, ndlp);
/* Leave Fabric nodes alone on link down */
}
static void
-lpfc_linkdown_port(struct lpfc_vport *vport)
+lpfc_port_link_failure(struct lpfc_vport *vport)
{
struct lpfc_nodelist *ndlp, *next_ndlp;
- struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
-
- fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0);
-
- lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
- "Link Down: state:x%x rtry:x%x flg:x%x",
- vport->port_state, vport->fc_ns_retry, vport->fc_flag);
/* Cleanup any outstanding RSCN activity */
lpfc_els_flush_rscn(vport);
lpfc_can_disctmo(vport);
}
+static void
+lpfc_linkdown_port(struct lpfc_vport *vport)
+{
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
+ fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0);
+
+ lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
+ "Link Down: state:x%x rtry:x%x flg:x%x",
+ vport->port_state, vport->fc_ns_retry, vport->fc_flag);
+
+ lpfc_port_link_failure(vport);
+
+}
+
int
lpfc_linkdown(struct lpfc_hba *phba)
{
* LPFC_FLOGI while waiting for FLOGI cmpl
*/
if (vport->port_state != LPFC_FLOGI) {
- vport->port_state = LPFC_FLOGI;
- lpfc_set_disctmo(vport);
lpfc_initial_flogi(vport);
}
return;
ndlp->nlp_type &= ~NLP_FC_NODE;
}
+ if ((old_state == NLP_STE_UNUSED_NODE) &&
+ (state != NLP_STE_UNUSED_NODE) &&
+ (ndlp->nlp_flag & NLP_DELAYED_RM)) {
+ /* We are using the ndlp after all, so reverse
+ * the delayed removal of it.
+ */
+ ndlp->nlp_flag &= ~NLP_DELAYED_RM;
+ lpfc_nlp_get(ndlp);
+ }
+
if (list_empty(&ndlp->nlp_listp)) {
spin_lock_irq(shost->host_lock);
list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes);
lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
- lpfc_nlp_put(ndlp);
+ if (!(ndlp->nlp_flag & NLP_DELAYED_RM))
+ lpfc_nlp_put(ndlp);
+ return;
}
/*
if (!list_empty(&ndlp->dev_loss_evt.evt_listp))
list_del_init(&ndlp->dev_loss_evt.evt_listp);
- if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) {
- list_del_init(&ndlp->dev_loss_evt.evt_listp);
- complete((struct completion *)(ndlp->dev_loss_evt.evt_arg2));
- }
-
lpfc_unreg_rpi(vport, ndlp);
return 0;
if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
ndlp->nlp_state == NLP_STE_ADISC_ISSUE) {
lpfc_free_tx(phba, ndlp);
- lpfc_nlp_put(ndlp);
}
}
}
}
}
if (vport->port_state != LPFC_FLOGI) {
- vport->port_state = LPFC_FLOGI;
- lpfc_set_disctmo(vport);
lpfc_initial_flogi(vport);
}
break;
return;
}
+/* This routine releases all resources associated with a specifc NPort's ndlp
+ * and mempool_free's the nodelist.
+ */
static void
lpfc_nlp_release(struct kref *kref)
{
mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool);
}
+/* This routine bumps the reference count for a ndlp structure to ensure
+ * that one discovery thread won't free a ndlp while another discovery thread
+ * is using it.
+ */
struct lpfc_nodelist *
lpfc_nlp_get(struct lpfc_nodelist *ndlp)
{
- if (ndlp)
+ if (ndlp) {
+ lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
+ "node get: did:x%x flg:x%x refcnt:x%x",
+ ndlp->nlp_DID, ndlp->nlp_flag,
+ atomic_read(&ndlp->kref.refcount));
kref_get(&ndlp->kref);
+ }
return ndlp;
}
+
+/* This routine decrements the reference count for a ndlp structure. If the
+ * count goes to 0, this indicates the the associated nodelist should be freed.
+ */
int
lpfc_nlp_put(struct lpfc_nodelist *ndlp)
{
+ if (ndlp) {
+ lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
+ "node put: did:x%x flg:x%x refcnt:x%x",
+ ndlp->nlp_DID, ndlp->nlp_flag,
+ atomic_read(&ndlp->kref.refcount));
+ }
return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0;
}
+
+/* This routine free's the specified nodelist if it is not in use
+ * by any other discovery thread. This routine returns 1 if the ndlp
+ * is not being used by anyone and has been freed. A return value of
+ * 0 indicates it is being used by another discovery thread and the
+ * refcount is left unchanged.
+ */
+int
+lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
+{
+ lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
+ "node not used: did:x%x flg:x%x refcnt:x%x",
+ ndlp->nlp_DID, ndlp->nlp_flag,
+ atomic_read(&ndlp->kref.refcount));
+
+ if (atomic_read(&ndlp->kref.refcount) == 1) {
+ lpfc_nlp_put(ndlp);
+ return 1;
+ }
+ return 0;
+}
+
/* Allocate buffer to post */
mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
if (mp1)
- mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
- &mp1->phys);
- if (mp1 == 0 || mp1->virt == 0) {
+ 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;
if (mp2)
mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI,
&mp2->phys);
- if (mp2 == 0 || mp2->virt == 0) {
+ if (!mp2 || !mp2->virt) {
kfree(mp2);
lpfc_mbuf_free(phba, mp1->virt, mp1->phys);
kfree(mp1);
struct Scsi_Host *shost = NULL;
void *ptr;
unsigned long bar0map_len, bar2map_len;
- int error = -ENODEV;
+ int error = -ENODEV, retval;
int i, hbq_count;
uint16_t iotag;
lpfc_sli_setup(phba);
lpfc_sli_queue_setup(phba);
- error = lpfc_mem_alloc(phba);
- if (error)
+ 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);
pci_set_drvdata(pdev, shost);
if (phba->cfg_use_msi) {
- error = pci_enable_msi(phba->pcidev);
- if (!error)
+ retval = pci_enable_msi(phba->pcidev);
+ if (!retval)
phba->using_msi = 1;
else
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"with IRQ\n");
}
- error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
+ retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
LPFC_DRIVER_NAME, phba);
- if (error) {
+ if (retval) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0451 Enable interrupt handler failed\n");
+ error = retval;
goto out_disable_msi;
}
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))
+ if (lpfc_alloc_sysfs_attr(vport)) {
+ error = -ENOMEM;
goto out_free_irq;
+ }
- if (lpfc_sli_hba_setup(phba))
+ 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
if (lpfc_transport_template == NULL)
return -ENOMEM;
if (lpfc_enable_npiv) {
- lpfc_transport_functions.vport_create = NULL;
- lpfc_transport_functions.vport_delete = NULL;
- lpfc_transport_functions.issue_fc_host_lip = NULL;
- lpfc_transport_functions.vport_disable = lpfc_vport_disable;
lpfc_vport_transport_template =
- fc_attach_transport(&lpfc_transport_functions);
- if (lpfc_vport_transport_template == NULL)
+ 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) {
/* Get a buffer to hold the HBAs Service Parameters */
- if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) ||
- ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
+ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+ if (mp)
+ mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+ if (!mp || !mp->virt) {
kfree(mp);
mb->mbxCommand = MBX_READ_SPARM64;
/* READ_SPARAM: no buffers */
mb->mbxOwner = OWN_HOST;
/* Get a buffer to hold NPorts Service Parameters */
- if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) ||
- ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) {
+ mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
+ if (mp)
+ mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+ if (!mp || !mp->virt) {
kfree(mp);
mb->mbxCommand = MBX_REG_LOGIN64;
/* REG_LOGIN: no buffers */
(ndlp == (struct lpfc_nodelist *) mb->context2)) {
mp = (struct lpfc_dmabuf *) (mb->context1);
if (mp) {
- lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ __lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
}
lpfc_nlp_put(ndlp);
"0329 Kill HBA Data: x%x x%x\n",
phba->pport->port_state, psli->sli_flag);
- if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
- GFP_KERNEL)) == 0)
+ pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!pmb)
return 1;
/* Disable the error attention */
/*
* Lockless version of lpfc_sli_issue_iocb.
*/
-int
+static int
__lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct lpfc_iocbq *piocb, uint32_t flag)
{
return 0;
}
-void
+static void
lpfc_sli_async_event_handler(struct lpfc_hba * phba,
struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq)
{
unsigned long flag;
/* The caller must leave context1 empty. */
- if (pmboxq->context1 != 0)
+ if (pmboxq->context1)
return MBX_NOT_FINISHED;
/* setup wake call as IOCB callback */
uint32_t add_count; /* number to allocate when starved */
} ;
-#define LPFC_MAX_HBQ 16
-
-
/* Structure used to hold SLI statistical counters and info */
struct lpfc_sli_stat {
uint64_t mbox_stat_err; /* Mbox cmds completed status error */
pmb->vport = vport;
rc = lpfc_sli_issue_mbox_wait(phba, pmb, phba->fc_ratov * 2);
if (rc != MBX_SUCCESS) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT | LOG_VPORT,
- "1818 VPort failed init, mbxCmd x%x "
- "READ_SPARM mbxStatus x%x, rc = x%x\n",
- mb->mbxCommand, mb->mbxStatus, rc);
- lpfc_mbuf_free(phba, mp->virt, mp->phys);
- kfree(mp);
- if (rc != MBX_TIMEOUT)
- mempool_free(pmb, phba->mbox_mem_pool);
- return -EIO;
+ if (signal_pending(current)) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT | LOG_VPORT,
+ "1830 Signal aborted mbxCmd x%x\n",
+ mb->mbxCommand);
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ if (rc != MBX_TIMEOUT)
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EINTR;
+ } else {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT | LOG_VPORT,
+ "1818 VPort failed init, mbxCmd x%x "
+ "READ_SPARM mbxStatus x%x, rc = x%x\n",
+ mb->mbxCommand, mb->mbxStatus, rc);
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ if (rc != MBX_TIMEOUT)
+ mempool_free(pmb, phba->mbox_mem_pool);
+ return -EIO;
+ }
}
memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm));
int instance;
int vpi;
int rc = VPORT_ERROR;
+ int status;
if ((phba->sli_rev < 3) ||
!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) {
vport->vpi = vpi;
lpfc_debugfs_initialize(vport);
- if (lpfc_vport_sparm(phba, vport)) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT,
- "1813 Create VPORT failed. "
- "Cannot get sparam\n");
+ if ((status = lpfc_vport_sparm(phba, vport))) {
+ if (status == -EINTR) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT,
+ "1831 Create VPORT Interrupted.\n");
+ rc = VPORT_ERROR;
+ } else {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT,
+ "1813 Create VPORT failed. "
+ "Cannot get sparam\n");
+ rc = VPORT_NORESOURCES;
+ }
lpfc_free_vpi(phba, vpi);
destroy_port(vport);
- rc = VPORT_NORESOURCES;
goto error_out;
}
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff