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[SCSI] lpfc 8.1.12 : Collapse discovery lists to a single node list

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Collapse discovery lists to a single node list.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Smart 2007-04-25 09:53:08 -04:00 committed by James Bottomley
parent 329f9bc735
commit 685f0bf7af
9 changed files with 282 additions and 536 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/scsi/lpfc/lpfc.h
View File

@ -255,17 +255,7 @@ struct lpfc_hba {
struct lpfc_stats fc_stat;
/* These are the head/tail pointers for the bind, plogi, adisc, unmap,
* and map lists. Their counters are immediately following.
*/
struct list_head fc_plogi_list;
struct list_head fc_adisc_list;
struct list_head fc_reglogin_list;
struct list_head fc_prli_list;
struct list_head fc_nlpunmap_list;
struct list_head fc_nlpmap_list;
struct list_head fc_npr_list;
struct list_head fc_unused_list;
struct list_head fc_nodes;
/* Keep counters for the number of entries in each list. */
uint16_t fc_plogi_cnt;

64
drivers/scsi/lpfc/lpfc_attr.c
View File

@ -1781,67 +1781,51 @@ lpfc_reset_stats(struct Scsi_Host *shost)
* The LPFC driver treats linkdown handling as target loss events so there
* are no sysfs handlers for link_down_tmo.
*/
static void
lpfc_get_starget_port_id(struct scsi_target *starget)
static struct lpfc_nodelist *
lpfc_get_node_by_target(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
uint32_t did = -1;
struct lpfc_nodelist *ndlp = NULL;
struct lpfc_nodelist *ndlp;
spin_lock_irq(shost->host_lock);
/* Search the mapped list for this target ID */
list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
if (starget->id == ndlp->nlp_sid) {
did = ndlp->nlp_DID;
break;
/* Search for this, mapped, target ID */
list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
starget->id == ndlp->nlp_sid) {
spin_unlock_irq(shost->host_lock);
return ndlp;
}
}
spin_unlock_irq(shost->host_lock);
return NULL;
}
fc_starget_port_id(starget) = did;
static void
lpfc_get_starget_port_id(struct scsi_target *starget)
{
struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
}
static void
lpfc_get_starget_node_name(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
u64 node_name = 0;
struct lpfc_nodelist *ndlp = NULL;
struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
spin_lock_irq(shost->host_lock);
/* Search the mapped list for this target ID */
list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
if (starget->id == ndlp->nlp_sid) {
node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
break;
}
}
spin_unlock_irq(shost->host_lock);
fc_starget_node_name(starget) = node_name;
fc_starget_node_name(starget) =
ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
}
static void
lpfc_get_starget_port_name(struct scsi_target *starget)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
struct lpfc_hba *phba = (struct lpfc_hba *) shost->hostdata;
u64 port_name = 0;
struct lpfc_nodelist *ndlp = NULL;
struct lpfc_nodelist *ndlp = lpfc_get_node_by_target(starget);
spin_lock_irq(shost->host_lock);
/* Search the mapped list for this target ID */
list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
if (starget->id == ndlp->nlp_sid) {
port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
break;
}
}
spin_unlock_irq(shost->host_lock);
fc_starget_port_name(starget) = port_name;
fc_starget_port_name(starget) =
ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
}
static void

7
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -18,6 +18,8 @@
* included with this package. *
*******************************************************************/
typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param);
struct fc_rport;
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
@ -178,9 +180,8 @@ int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
void lpfc_mbox_timeout(unsigned long);
void lpfc_mbox_timeout_handler(struct lpfc_hba *);
struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba *, uint32_t, uint32_t);
struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_hba *, uint32_t,
struct lpfc_name *);
struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba *, uint32_t);
struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_hba *, struct lpfc_name *);
int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
uint32_t timeout);

10
drivers/scsi/lpfc/lpfc_ct.c
View File

@ -443,10 +443,8 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
phba->fc_ns_retry++;
/* CT command is being retried */
ndlp =
lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
NameServer_DID);
if (ndlp) {
ndlp = lpfc_findnode_did(phba, NameServer_DID);
if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) ==
0) {
goto out;
@ -730,7 +728,7 @@ lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba * phba,
uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
ndlp = lpfc_findnode_did(phba, FDMI_DID);
if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
/* FDMI rsp failed */
lpfc_printf_log(phba,
@ -1162,7 +1160,7 @@ lpfc_fdmi_tmo_handler(struct lpfc_hba *phba)
{
struct lpfc_nodelist *ndlp;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, FDMI_DID);
ndlp = lpfc_findnode_did(phba, FDMI_DID);
if (ndlp) {
if (init_utsname()->nodename[0] != '\0') {
lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);

20
drivers/scsi/lpfc/lpfc_disc.h
View File

@ -83,15 +83,6 @@ struct lpfc_nodelist {
};
/* Defines for nlp_flag (uint32) */
#define NLP_UNUSED_LIST 0x1 /* Flg to indicate node will be freed */
#define NLP_PLOGI_LIST 0x2 /* Flg to indicate sent PLOGI */
#define NLP_ADISC_LIST 0x3 /* Flg to indicate sent ADISC */
#define NLP_REGLOGIN_LIST 0x4 /* Flg to indicate sent REG_LOGIN */
#define NLP_PRLI_LIST 0x5 /* Flg to indicate sent PRLI */
#define NLP_UNMAPPED_LIST 0x6 /* Node is now unmapped */
#define NLP_MAPPED_LIST 0x7 /* Node is now mapped */
#define NLP_NPR_LIST 0x8 /* Node is in NPort Recovery state */
#define NLP_LIST_MASK 0xf /* mask to see what list node is on */
#define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */
#define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */
#define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */
@ -109,17 +100,6 @@ struct lpfc_nodelist {
NPR list */
#define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */
/* Defines for list searchs */
#define NLP_SEARCH_MAPPED 0x1 /* search mapped */
#define NLP_SEARCH_UNMAPPED 0x2 /* search unmapped */
#define NLP_SEARCH_PLOGI 0x4 /* search plogi */
#define NLP_SEARCH_ADISC 0x8 /* search adisc */
#define NLP_SEARCH_REGLOGIN 0x10 /* search reglogin */
#define NLP_SEARCH_PRLI 0x20 /* search prli */
#define NLP_SEARCH_NPR 0x40 /* search npr */
#define NLP_SEARCH_UNUSED 0x80 /* search mapped */
#define NLP_SEARCH_ALL 0xff /* search all lists */
/* There are 4 different double linked lists nodelist entries can reside on.
* The Port Login (PLOGI) list and Address Discovery (ADISC) list are used
* when Link Up discovery or Registered State Change Notification (RSCN)

155
drivers/scsi/lpfc/lpfc_els.c
View File

@ -372,7 +372,7 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
}
lpfc_nlp_put(ndlp);
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, PT2PT_RemoteID);
ndlp = lpfc_findnode_did(phba, PT2PT_RemoteID);
if (!ndlp) {
/*
* Cannot find existing Fabric ndlp, so allocate a
@ -592,12 +592,12 @@ lpfc_els_abort_flogi(struct lpfc_hba * phba)
}
int
lpfc_initial_flogi(struct lpfc_hba * phba)
lpfc_initial_flogi(struct lpfc_hba *phba)
{
struct lpfc_nodelist *ndlp;
/* First look for the Fabric ndlp */
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, Fabric_DID);
ndlp = lpfc_findnode_did(phba, Fabric_DID);
if (!ndlp) {
/* Cannot find existing Fabric ndlp, so allocate a new one */
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
@ -637,7 +637,7 @@ lpfc_more_plogi(struct lpfc_hba * phba)
}
static struct lpfc_nodelist *
lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp,
lpfc_plogi_confirm_nport(struct lpfc_hba *phba, struct lpfc_dmabuf *prsp,
struct lpfc_nodelist *ndlp)
{
struct lpfc_nodelist *new_ndlp;
@ -654,12 +654,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp,
lp = (uint32_t *) prsp->virt;
sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
memset(name, 0, sizeof (struct lpfc_name));
memset(name, 0, sizeof(struct lpfc_name));
/* Now we to find out if the NPort we are logging into, matches the WWPN
/* Now we find out if the NPort we are logging into, matches the WWPN
* we have for that ndlp. If not, we have some work to do.
*/
new_ndlp = lpfc_findnode_wwpn(phba, NLP_SEARCH_ALL, &sp->portName);
new_ndlp = lpfc_findnode_wwpn(phba, &sp->portName);
if (new_ndlp == ndlp)
return ndlp;
@ -705,8 +705,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
cmdiocb->context_un.rsp_iocb = rspiocb;
irsp = &rspiocb->iocb;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL,
irsp->un.elsreq64.remoteID);
ndlp = lpfc_findnode_did(phba, irsp->un.elsreq64.remoteID);
if (!ndlp)
goto out;
@ -1408,7 +1407,7 @@ lpfc_issue_els_farpr(struct lpfc_hba * phba, uint32_t nportid, uint8_t retry)
memcpy(&fp->RportName, &phba->fc_portname, sizeof (struct lpfc_name));
memcpy(&fp->RnodeName, &phba->fc_nodename, sizeof (struct lpfc_name));
if ((ondlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, nportid))) {
if ((ondlp = lpfc_findnode_did(phba, nportid))) {
memcpy(&fp->OportName, &ondlp->nlp_portname,
sizeof (struct lpfc_name));
memcpy(&fp->OnodeName, &ondlp->nlp_nodename,
@ -1595,7 +1594,7 @@ lpfc_els_retry(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
else {
/* We should only hit this case for retrying PLOGI */
did = irsp->un.elsreq64.remoteID;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
ndlp = lpfc_findnode_did(phba, did);
if (!ndlp && (cmd != ELS_CMD_PLOGI))
return 1;
}
@ -2291,31 +2290,31 @@ lpfc_els_rsp_rnid_acc(struct lpfc_hba *phba, uint8_t format,
}
int
lpfc_els_disc_adisc(struct lpfc_hba * phba)
lpfc_els_disc_adisc(struct lpfc_hba *phba)
{
int sentadisc;
struct lpfc_nodelist *ndlp, *next_ndlp;
sentadisc = 0;
/* go thru NPR list and issue any remaining ELS ADISCs */
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
nlp_listp) {
if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
if (ndlp->nlp_flag & NLP_NPR_ADISC) {
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(phba, ndlp,
NLP_STE_ADISC_ISSUE);
lpfc_issue_els_adisc(phba, ndlp, 0);
sentadisc++;
phba->num_disc_nodes++;
if (phba->num_disc_nodes >=
phba->cfg_discovery_threads) {
spin_lock_irq(phba->host->host_lock);
phba->fc_flag |= FC_NLP_MORE;
spin_unlock_irq(phba->host->host_lock);
break;
}
/* go thru NPR nodes and issue any remaining ELS ADISCs */
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
(ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
(ndlp->nlp_flag & NLP_NPR_ADISC) != 0) {
spin_lock_irq(phba->host->host_lock);
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
spin_unlock_irq(phba->host->host_lock);
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(phba, ndlp, NLP_STE_ADISC_ISSUE);
lpfc_issue_els_adisc(phba, ndlp, 0);
sentadisc++;
phba->num_disc_nodes++;
if (phba->num_disc_nodes >=
phba->cfg_discovery_threads) {
spin_lock_irq(phba->host->host_lock);
phba->fc_flag |= FC_NLP_MORE;
spin_unlock_irq(phba->host->host_lock);
break;
}
}
}
@ -2335,24 +2334,22 @@ lpfc_els_disc_plogi(struct lpfc_hba * phba)
sentplogi = 0;
/* go thru NPR list and issue any remaining ELS PLOGIs */
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
nlp_listp) {
if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
(!(ndlp->nlp_flag & NLP_DELAY_TMO))) {
if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(phba, ndlp,
NLP_STE_PLOGI_ISSUE);
lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0);
sentplogi++;
phba->num_disc_nodes++;
if (phba->num_disc_nodes >=
phba->cfg_discovery_threads) {
spin_lock_irq(phba->host->host_lock);
phba->fc_flag |= FC_NLP_MORE;
spin_unlock_irq(phba->host->host_lock);
break;
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
(ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
(ndlp->nlp_flag & NLP_DELAY_TMO) == 0 &&
(ndlp->nlp_flag & NLP_NPR_ADISC) == 0) {
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE);
lpfc_issue_els_plogi(phba, ndlp->nlp_DID, 0);
sentplogi++;
phba->num_disc_nodes++;
if (phba->num_disc_nodes >=
phba->cfg_discovery_threads) {
spin_lock_irq(phba->host->host_lock);
phba->fc_flag |= FC_NLP_MORE;
spin_unlock_irq(phba->host->host_lock);
break;
}
}
}
@ -2456,40 +2453,28 @@ lpfc_rscn_payload_check(struct lpfc_hba * phba, uint32_t did)
static int
lpfc_rscn_recovery_check(struct lpfc_hba *phba)
{
struct lpfc_nodelist *ndlp = NULL, *next_ndlp;
struct list_head *listp;
struct list_head *node_list[7];
int i;
struct lpfc_nodelist *ndlp = NULL;
/* Look at all nodes effected by pending RSCNs and move
* them to NPR list.
* them to NPR state.
*/
node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
node_list[1] = &phba->fc_nlpmap_list;
node_list[2] = &phba->fc_nlpunmap_list;
node_list[3] = &phba->fc_prli_list;
node_list[4] = &phba->fc_reglogin_list;
node_list[5] = &phba->fc_adisc_list;
node_list[6] = &phba->fc_plogi_list;
for (i = 0; i < 7; i++) {
listp = node_list[i];
if (list_empty(listp))
list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE ||
lpfc_rscn_payload_check(phba, ndlp->nlp_DID) == 0)
continue;
list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
if (!(lpfc_rscn_payload_check(phba, ndlp->nlp_DID)))
continue;
lpfc_disc_state_machine(phba, ndlp, NULL,
lpfc_disc_state_machine(phba, ndlp, NULL,
NLP_EVT_DEVICE_RECOVERY);
/* Make sure NLP_DELAY_TMO is NOT running
* after a device recovery event.
*/
if (ndlp->nlp_flag & NLP_DELAY_TMO)
lpfc_cancel_retry_delay_tmo(phba, ndlp);
}
/*
* Make sure NLP_DELAY_TMO is NOT running after a device
* recovery event.
*/
if (ndlp->nlp_flag & NLP_DELAY_TMO)
lpfc_cancel_retry_delay_tmo(phba, ndlp);
}
return 0;
}
@ -2614,8 +2599,8 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba)
/* To process RSCN, first compare RSCN data with NameServer */
phba->fc_ns_retry = 0;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, NameServer_DID);
if (ndlp) {
ndlp = lpfc_findnode_did(phba, NameServer_DID);
if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
/* Good ndlp, issue CT Request to NameServer */
if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) == 0) {
/* Wait for NameServer query cmpl before we can
@ -2625,7 +2610,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * phba)
} else {
/* If login to NameServer does not exist, issue one */
/* Good status, issue PLOGI to NameServer */
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
ndlp = lpfc_findnode_did(phba, NameServer_DID);
if (ndlp) {
/* Wait for NameServer login cmpl before we can
continue */
@ -2859,6 +2844,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
elsiocb->iocb_cmpl = lpfc_cmpl_els_acc;
phba->fc_stat.elsXmitACC++;
if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) {
lpfc_els_free_iocb(phba, elsiocb);
}
@ -3144,8 +3130,9 @@ lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
*/
list_for_each_entry_safe(ndlp, next_ndlp,
&phba->fc_npr_list, nlp_listp) {
&phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state != NLP_STE_NPR_NODE)
continue;
if (ndlp->nlp_type & NLP_FABRIC) {
/*
* Clean up old Fabric, Nameserver and
@ -3168,8 +3155,10 @@ lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
/* Discovery not needed,
* move the nodes to their original state.
*/
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
nlp_listp) {
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes,
nlp_listp) {
if (ndlp->nlp_state != NLP_STE_NPR_NODE)
continue;
switch (ndlp->nlp_prev_state) {
case NLP_STE_UNMAPPED_NODE:
@ -3409,7 +3398,7 @@ lpfc_els_unsol_event(struct lpfc_hba * phba,
}
did = icmd->un.rcvels.remoteID;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
ndlp = lpfc_findnode_did(phba, did);
if (!ndlp) {
/* Cannot find existing Fabric ndlp, so allocate a new one */
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);

458
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -374,13 +374,12 @@ lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
}
int
lpfc_linkdown(struct lpfc_hba * phba)
lpfc_linkdown(struct lpfc_hba *phba)
{
struct lpfc_sli *psli;
struct lpfc_nodelist *ndlp, *next_ndlp;
struct list_head *listp, *node_list[7];
LPFC_MBOXQ_t *mb;
int rc, i;
LPFC_MBOXQ_t *mb;
int rc;
psli = &phba->sli;
/* sysfs or selective reset may call this routine to clean up */
@ -412,32 +411,18 @@ lpfc_linkdown(struct lpfc_hba * phba)
/* Cleanup any outstanding ELS commands */
lpfc_els_flush_cmd(phba);
/* Issue a LINK DOWN event to all nodes */
node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
node_list[1] = &phba->fc_nlpmap_list;
node_list[2] = &phba->fc_nlpunmap_list;
node_list[3] = &phba->fc_prli_list;
node_list[4] = &phba->fc_reglogin_list;
node_list[5] = &phba->fc_adisc_list;
node_list[6] = &phba->fc_plogi_list;
for (i = 0; i < 7; i++) {
listp = node_list[i];
if (list_empty(listp))
continue;
list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
/*
* Issue a LINK DOWN event to all nodes.
*/
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) {
/* free any ndlp's on unused list */
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
lpfc_drop_node(phba, ndlp);
else /* otherwise, force node recovery. */
rc = lpfc_disc_state_machine(phba, ndlp, NULL,
NLP_EVT_DEVICE_RECOVERY);
}
NLP_EVT_DEVICE_RECOVERY);
}
/* free any ndlp's on unused list */
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
nlp_listp)
lpfc_drop_node(phba, ndlp);
/* Setup myDID for link up if we are in pt2pt mode */
if (phba->fc_flag & FC_PT2PT) {
phba->fc_myDID = 0;
@ -466,11 +451,9 @@ lpfc_linkdown(struct lpfc_hba * phba)
}
static int
lpfc_linkup(struct lpfc_hba * phba)
lpfc_linkup(struct lpfc_hba *phba)
{
struct lpfc_nodelist *ndlp, *next_ndlp;
struct list_head *listp, *node_list[7];
int i;
fc_host_post_event(phba->host, fc_get_event_number(),
FCH_EVT_LINKUP, 0);
@ -484,29 +467,20 @@ lpfc_linkup(struct lpfc_hba * phba)
spin_unlock_irq(phba->host->host_lock);
node_list[0] = &phba->fc_plogi_list;
node_list[1] = &phba->fc_adisc_list;
node_list[2] = &phba->fc_reglogin_list;
node_list[3] = &phba->fc_prli_list;
node_list[4] = &phba->fc_nlpunmap_list;
node_list[5] = &phba->fc_nlpmap_list;
node_list[6] = &phba->fc_npr_list;
for (i = 0; i < 7; i++) {
listp = node_list[i];
if (list_empty(listp))
continue;
list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
if (phba->fc_flag & FC_LBIT) {
if (phba->fc_flag & FC_LBIT) {
list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) {
if (ndlp->nlp_type & NLP_FABRIC) {
/* On Linkup its safe to clean up the
/*
* On Linkup its safe to clean up the
* ndlp from Fabric connections.
*/
lpfc_nlp_set_state(phba, ndlp,
NLP_STE_UNUSED_NODE);
NLP_STE_UNUSED_NODE);
} else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
/* Fail outstanding IO now since device
* is marked for PLOGI.
/*
* Fail outstanding IO now since
* device is marked for PLOGI.
*/
lpfc_unreg_rpi(phba, ndlp);
}
@ -515,9 +489,11 @@ lpfc_linkup(struct lpfc_hba * phba)
}
/* free any ndlp's on unused list */
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
nlp_listp)
lpfc_drop_node(phba, ndlp);
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes,
nlp_listp) {
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
lpfc_drop_node(phba, ndlp);
}
return 0;
}
@ -1021,7 +997,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
*/
lpfc_issue_els_scr(phba, SCR_DID, 0);
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
ndlp = lpfc_findnode_did(phba, NameServer_DID);
if (!ndlp) {
/* Allocate a new node instance. If the pool is empty,
* start the discovery process and skip the Nameserver
@ -1200,6 +1176,7 @@ lpfc_unregister_remote_port(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
static void
lpfc_nlp_counters(struct lpfc_hba *phba, int state, int count)
{
spin_lock_irq(phba->host->host_lock);
switch (state) {
case NLP_STE_UNUSED_NODE:
phba->fc_unused_cnt += count;
@ -1226,107 +1203,7 @@ lpfc_nlp_counters(struct lpfc_hba *phba, int state, int count)
phba->fc_npr_cnt += count;
break;
}
}
void
lpfc_delink_node(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
{
switch (ndlp->nlp_flag & NLP_LIST_MASK) {
case NLP_UNUSED_LIST:
list_del_init(&ndlp->nlp_listp);
break;
case NLP_PLOGI_LIST:
list_del_init(&ndlp->nlp_listp);
break;
case NLP_ADISC_LIST:
list_del_init(&ndlp->nlp_listp);
break;
case NLP_REGLOGIN_LIST:
list_del_init(&ndlp->nlp_listp);
break;
case NLP_PRLI_LIST:
list_del_init(&ndlp->nlp_listp);
break;
case NLP_UNMAPPED_LIST:
list_del_init(&ndlp->nlp_listp);
break;
case NLP_MAPPED_LIST:
list_del_init(&ndlp->nlp_listp);
break;
case NLP_NPR_LIST:
list_del_init(&ndlp->nlp_listp);
break;
}
ndlp->nlp_flag &= ~NLP_LIST_MASK;
}
static int
lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
{
struct lpfc_sli *psli;
psli = &phba->sli;
/* Sanity check to ensure we are not moving to / from the same list */
if ((nlp->nlp_flag & NLP_LIST_MASK) == list)
return 0;
spin_lock_irq(phba->host->host_lock);
lpfc_delink_node(phba, nlp);
/* Add NPort <did> to <num> list */
lpfc_printf_log(phba,
KERN_INFO,
LOG_NODE,
"%d:0904 Add NPort x%x to %d list Data: x%x\n",
phba->brd_no,
nlp->nlp_DID, list, nlp->nlp_flag);
switch (list) {
case NLP_UNUSED_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the unused list */
list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
break;
case NLP_PLOGI_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the plogi list */
list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
break;
case NLP_ADISC_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the adisc list */
list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
break;
case NLP_REGLOGIN_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the reglogin list */
list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
break;
case NLP_PRLI_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the prli list */
list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
break;
case NLP_UNMAPPED_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the unmap list */
list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
break;
case NLP_MAPPED_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the map list */
list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
break;
case NLP_NPR_LIST:
nlp->nlp_flag |= list;
/* Put it at the end of the npr list */
list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
break;
}
spin_unlock_irq(phba->host->host_lock);
return 0;
}
static void
@ -1378,21 +1255,39 @@ lpfc_nlp_state_cleanup(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
}
}
static char *
lpfc_nlp_state_name(char *buffer, size_t size, int state)
{
static char *states[] = {
[NLP_STE_UNUSED_NODE] = "UNUSED",
[NLP_STE_PLOGI_ISSUE] = "PLOGI",
[NLP_STE_ADISC_ISSUE] = "ADISC",
[NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN",
[NLP_STE_PRLI_ISSUE] = "PRLI",
[NLP_STE_UNMAPPED_NODE] = "UNMAPPED",
[NLP_STE_MAPPED_NODE] = "MAPPED",
[NLP_STE_NPR_NODE] = "NPR",
};
if (state < ARRAY_SIZE(states) && states[state])
strlcpy(buffer, states[state], size);
else
snprintf(buffer, size, "unknown (%d)", state);
return buffer;
}
void
lpfc_nlp_set_state(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int state)
{
int old_state = ndlp->nlp_state;
static int list_id[] = {
[NLP_STE_UNUSED_NODE] = NLP_UNUSED_LIST,
[NLP_STE_PLOGI_ISSUE] = NLP_PLOGI_LIST,
[NLP_STE_ADISC_ISSUE] = NLP_ADISC_LIST,
[NLP_STE_REG_LOGIN_ISSUE] = NLP_REGLOGIN_LIST,
[NLP_STE_PRLI_ISSUE] = NLP_PRLI_LIST,
[NLP_STE_UNMAPPED_NODE] = NLP_UNMAPPED_LIST,
[NLP_STE_MAPPED_NODE] = NLP_MAPPED_LIST,
[NLP_STE_NPR_NODE] = NLP_NPR_LIST,
};
char name1[16], name2[16];
lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
"%d:0904 NPort state transition x%06x, %s -> %s\n",
phba->brd_no,
ndlp->nlp_DID,
lpfc_nlp_state_name(name1, sizeof(name1), old_state),
lpfc_nlp_state_name(name2, sizeof(name2), state));
if (old_state == NLP_STE_NPR_NODE &&
(ndlp->nlp_flag & NLP_DELAY_TMO) != 0 &&
state != NLP_STE_NPR_NODE)
@ -1402,13 +1297,15 @@ lpfc_nlp_set_state(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int state)
ndlp->nlp_type &= ~NLP_FC_NODE;
}
if (old_state && !list_empty(&ndlp->nlp_listp))
if (list_empty(&ndlp->nlp_listp)) {
spin_lock_irq(phba->host->host_lock);
list_add_tail(&ndlp->nlp_listp, &phba->fc_nodes);
spin_unlock_irq(phba->host->host_lock);
} else if (old_state)
lpfc_nlp_counters(phba, old_state, -1);
ndlp->nlp_state = state;
lpfc_nlp_list(phba, ndlp, list_id[state]);
lpfc_nlp_counters(phba, state, 1);
lpfc_nlp_state_cleanup(phba, ndlp, old_state, state);
}
@ -1417,10 +1314,10 @@ lpfc_dequeue_node(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
{
if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0)
lpfc_cancel_retry_delay_tmo(phba, ndlp);
spin_lock_irq(phba->host->host_lock);
if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
lpfc_nlp_counters(phba, ndlp->nlp_state, -1);
lpfc_delink_node(phba, ndlp);
spin_lock_irq(phba->host->host_lock);
list_del_init(&ndlp->nlp_listp);
spin_unlock_irq(phba->host->host_lock);
lpfc_nlp_state_cleanup(phba, ndlp, ndlp->nlp_state, 0);
}
@ -1430,10 +1327,10 @@ lpfc_drop_node(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
{
if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0)
lpfc_cancel_retry_delay_tmo(phba, ndlp);
spin_lock_irq(phba->host->host_lock);
if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
lpfc_nlp_counters(phba, ndlp->nlp_state, -1);
lpfc_delink_node(phba, ndlp);
spin_lock_irq(phba->host->host_lock);
list_del_init(&ndlp->nlp_listp);
spin_unlock_irq(phba->host->host_lock);
lpfc_nlp_put(ndlp);
}
@ -1638,7 +1535,7 @@ lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
* so it can be freed.
*/
static int
lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
lpfc_cleanup_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
{
LPFC_MBOXQ_t *mb;
LPFC_MBOXQ_t *nextmb;
@ -1708,7 +1605,7 @@ lpfc_nlp_remove(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
lpfc_cancel_retry_delay_tmo(phba, ndlp);
}
lpfc_freenode(phba, ndlp);
lpfc_cleanup_node(phba, ndlp);
if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
put_device(&ndlp->rport->dev);
@ -1719,7 +1616,7 @@ lpfc_nlp_remove(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
}
static int
lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
lpfc_matchdid(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, uint32_t did)
{
D_ID mydid;
D_ID ndlpdid;
@ -1768,57 +1665,36 @@ lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
return 0;
}
/* Search for a nodelist entry on a specific list */
/* Search for a nodelist entry */
struct lpfc_nodelist *
lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
lpfc_findnode_did(struct lpfc_hba *phba, uint32_t did)
{
struct lpfc_nodelist *ndlp;
struct list_head *lists[]={&phba->fc_nlpunmap_list,
&phba->fc_nlpmap_list,
&phba->fc_plogi_list,
&phba->fc_adisc_list,
&phba->fc_reglogin_list,
&phba->fc_prli_list,
&phba->fc_npr_list,
&phba->fc_unused_list};
uint32_t search[]={NLP_SEARCH_UNMAPPED,
NLP_SEARCH_MAPPED,
NLP_SEARCH_PLOGI,
NLP_SEARCH_ADISC,
NLP_SEARCH_REGLOGIN,
NLP_SEARCH_PRLI,
NLP_SEARCH_NPR,
NLP_SEARCH_UNUSED};
int i;
uint32_t data1;
spin_lock_irq(phba->host->host_lock);
for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
if (!(order & search[i]))
continue;
list_for_each_entry(ndlp, lists[i], nlp_listp) {
if (lpfc_matchdid(phba, ndlp, did)) {
data1 = (((uint32_t) ndlp->nlp_state << 24) |
((uint32_t) ndlp->nlp_xri << 16) |
((uint32_t) ndlp->nlp_type << 8) |
((uint32_t) ndlp->nlp_rpi & 0xff));
lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
"%d:0929 FIND node DID "
" Data: x%p x%x x%x x%x\n",
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
spin_unlock_irq(phba->host->host_lock);
return ndlp;
}
list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
if (lpfc_matchdid(phba, ndlp, did)) {
data1 = (((uint32_t) ndlp->nlp_state << 24) |
((uint32_t) ndlp->nlp_xri << 16) |
((uint32_t) ndlp->nlp_type << 8) |
((uint32_t) ndlp->nlp_rpi & 0xff));
lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
"%d:0929 FIND node DID "
" Data: x%p x%x x%x x%x\n",
phba->brd_no,
ndlp, ndlp->nlp_DID,
ndlp->nlp_flag, data1);
spin_unlock_irq(phba->host->host_lock);
return ndlp;
}
}
spin_unlock_irq(phba->host->host_lock);
/* FIND node did <did> NOT FOUND */
lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
"%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
phba->brd_no, did, order);
"%d:0932 FIND node did x%x NOT FOUND.\n",
phba->brd_no, did);
return NULL;
}
@ -1826,9 +1702,8 @@ struct lpfc_nodelist *
lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
{
struct lpfc_nodelist *ndlp;
uint32_t flg;
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
ndlp = lpfc_findnode_did(phba, did);
if (!ndlp) {
if ((phba->fc_flag & FC_RSCN_MODE) &&
((lpfc_rscn_payload_check(phba, did) == 0)))
@ -1854,8 +1729,8 @@ lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
} else
ndlp = NULL;
} else {
flg = ndlp->nlp_flag & NLP_LIST_MASK;
if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE ||
ndlp->nlp_state == NLP_STE_PLOGI_ISSUE)
return NULL;
lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE);
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
@ -1915,8 +1790,9 @@ lpfc_disc_start(struct lpfc_hba * phba)
struct lpfc_sli *psli;
LPFC_MBOXQ_t *mbox;
struct lpfc_nodelist *ndlp, *next_ndlp;
uint32_t did_changed, num_sent;
uint32_t num_sent;
uint32_t clear_la_pending;
int did_changed;
int rc;
psli = &phba->sli;
@ -1950,14 +1826,13 @@ lpfc_disc_start(struct lpfc_hba * phba)
phba->fc_plogi_cnt, phba->fc_adisc_cnt);
/* If our did changed, we MUST do PLOGI */
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
nlp_listp) {
if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
if (did_changed) {
spin_lock_irq(phba->host->host_lock);
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
spin_unlock_irq(phba->host->host_lock);
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
(ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
did_changed) {
spin_lock_irq(phba->host->host_lock);
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
spin_unlock_irq(phba->host->host_lock);
}
}
@ -2077,21 +1952,16 @@ lpfc_disc_flush_list(struct lpfc_hba * phba)
{
struct lpfc_nodelist *ndlp, *next_ndlp;
if (phba->fc_plogi_cnt) {
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
nlp_listp) {
lpfc_free_tx(phba, ndlp);
lpfc_nlp_put(ndlp);
if (phba->fc_plogi_cnt || phba->fc_adisc_cnt) {
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes,
nlp_listp) {
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 (phba->fc_adisc_cnt) {
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
nlp_listp) {
lpfc_free_tx(phba, ndlp);
lpfc_nlp_put(ndlp);
}
}
return;
}
/*****************************************************************************/
@ -2160,8 +2030,10 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
phba->brd_no);
/* Start discovery by sending FLOGI, clean up old rpis */
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
nlp_listp) {
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes,
nlp_listp) {
if (ndlp->nlp_state != NLP_STE_NPR_NODE)
continue;
if (ndlp->nlp_type & NLP_FABRIC) {
/* Clean up the ndlp on Fabric connections */
lpfc_drop_node(phba, ndlp);
@ -2205,7 +2077,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
"login\n", phba->brd_no);
/* Next look for NameServer ndlp */
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
ndlp = lpfc_findnode_did(phba, NameServer_DID);
if (ndlp)
lpfc_nlp_put(ndlp);
/* Start discovery */
@ -2220,9 +2092,8 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
phba->brd_no,
phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
NameServer_DID);
if (ndlp) {
ndlp = lpfc_findnode_did(phba, NameServer_DID);
if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
/* Try it one more time */
rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
@ -2394,31 +2265,63 @@ lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
return;
}
static int
lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param)
{
uint16_t *rpi = param;
return ndlp->nlp_rpi == *rpi;
}
static int
lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param)
{
return memcmp(&ndlp->nlp_portname, param,
sizeof(ndlp->nlp_portname)) == 0;
}
/*
* This routine looks up the ndlp lists
* for the given RPI. If rpi found
* it return the node list pointer
* else return NULL.
* Search node lists for a remote port matching filter criteria
* Caller needs to hold host_lock before calling this routine.
*/
struct lpfc_nodelist *
__lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
__lpfc_find_node(struct lpfc_hba *phba, node_filter filter, void *param)
{
struct lpfc_nodelist *ndlp;
struct list_head * lists[]={&phba->fc_nlpunmap_list,
&phba->fc_nlpmap_list,
&phba->fc_plogi_list,
&phba->fc_adisc_list,
&phba->fc_reglogin_list};
int i;
for (i = 0; i < ARRAY_SIZE(lists); i++ )
list_for_each_entry(ndlp, lists[i], nlp_listp)
if (ndlp->nlp_rpi == rpi) {
return ndlp;
}
list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state != NLP_STE_UNUSED_NODE &&
filter(ndlp, param))
return ndlp;
}
return NULL;
}
/*
* Search node lists for a remote port matching filter criteria
* This routine is used when the caller does NOT have host_lock.
*/
struct lpfc_nodelist *
lpfc_find_node(struct lpfc_hba *phba, node_filter filter, void *param)
{
struct lpfc_nodelist *ndlp;
spin_lock_irq(phba->host->host_lock);
ndlp = __lpfc_find_node(phba, filter, param);
spin_unlock_irq(phba->host->host_lock);
return ndlp;
}
/*
* This routine looks up the ndlp lists for the given RPI. If rpi found it
* returns the node list pointer else return NULL.
*/
struct lpfc_nodelist *
__lpfc_findnode_rpi(struct lpfc_hba *phba, uint16_t rpi)
{
return __lpfc_find_node(phba, lpfc_filter_by_rpi, &rpi);
}
struct lpfc_nodelist *
lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
{
@ -2431,44 +2334,16 @@ lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
}
/*
* This routine looks up the ndlp lists
* for the given WWPN. If WWPN found
* it return the node list pointer
* else return NULL.
* This routine looks up the ndlp lists for the given WWPN. If WWPN found it
* returns the node list pointer else return NULL.
*/
struct lpfc_nodelist *
lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order,
struct lpfc_name * wwpn)
lpfc_findnode_wwpn(struct lpfc_hba *phba, struct lpfc_name *wwpn)
{
struct lpfc_nodelist *ndlp;
struct list_head * lists[]={&phba->fc_nlpunmap_list,
&phba->fc_nlpmap_list,
&phba->fc_npr_list,
&phba->fc_plogi_list,
&phba->fc_adisc_list,
&phba->fc_reglogin_list,
&phba->fc_prli_list};
uint32_t search[]={NLP_SEARCH_UNMAPPED,
NLP_SEARCH_MAPPED,
NLP_SEARCH_NPR,
NLP_SEARCH_PLOGI,
NLP_SEARCH_ADISC,
NLP_SEARCH_REGLOGIN,
NLP_SEARCH_PRLI};
int i;
spin_lock_irq(phba->host->host_lock);
for (i = 0; i < ARRAY_SIZE(lists); i++ ) {
if (!(order & search[i]))
continue;
list_for_each_entry(ndlp, lists[i], nlp_listp) {
if (memcmp(&ndlp->nlp_portname, wwpn,
sizeof(struct lpfc_name)) == 0) {
spin_unlock_irq(phba->host->host_lock);
return ndlp;
}
}
}
ndlp = __lpfc_find_node(phba, lpfc_filter_by_wwpn, wwpn);
spin_unlock_irq(phba->host->host_lock);
return NULL;
}
@ -2484,6 +2359,7 @@ lpfc_nlp_init(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, uint32_t did)
ndlp->nlp_DID = did;
ndlp->nlp_phba = phba;
ndlp->nlp_sid = NLP_NO_SID;
INIT_LIST_HEAD(&ndlp->nlp_listp);
kref_init(&ndlp->kref);
return;
}

84
drivers/scsi/lpfc/lpfc_init.c
View File

@ -1185,63 +1185,11 @@ lpfc_cleanup(struct lpfc_hba * phba)
/* clean up phba - lpfc specific */
lpfc_can_disctmo(phba);
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list,
nlp_listp) {
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp)
lpfc_nlp_put(ndlp);
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
nlp_listp) {
lpfc_nlp_put(ndlp);
}
INIT_LIST_HEAD(&phba->fc_nodes);
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
nlp_listp) {
lpfc_drop_node(phba, ndlp);
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
nlp_listp) {
lpfc_nlp_put(ndlp);
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
nlp_listp) {
lpfc_nlp_put(ndlp);
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_reglogin_list,
nlp_listp) {
lpfc_nlp_put(ndlp);
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
nlp_listp) {
lpfc_nlp_put(ndlp);
}
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
nlp_listp) {
lpfc_nlp_put(ndlp);
}
INIT_LIST_HEAD(&phba->fc_nlpmap_list);
INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
INIT_LIST_HEAD(&phba->fc_unused_list);
INIT_LIST_HEAD(&phba->fc_plogi_list);
INIT_LIST_HEAD(&phba->fc_adisc_list);
INIT_LIST_HEAD(&phba->fc_reglogin_list);
INIT_LIST_HEAD(&phba->fc_prli_list);
INIT_LIST_HEAD(&phba->fc_npr_list);
phba->fc_map_cnt = 0;
phba->fc_unmap_cnt = 0;
phba->fc_plogi_cnt = 0;
phba->fc_adisc_cnt = 0;
phba->fc_reglogin_cnt = 0;
phba->fc_prli_cnt = 0;
phba->fc_npr_cnt = 0;
phba->fc_unused_cnt= 0;
return;
}
@ -1336,8 +1284,6 @@ void
lpfc_offline_prep(struct lpfc_hba * phba)
{
struct lpfc_nodelist *ndlp, *next_ndlp;
struct list_head *listp, *node_list[7];
int i;
if (phba->fc_flag & FC_OFFLINE_MODE)
return;
@ -1347,21 +1293,9 @@ lpfc_offline_prep(struct lpfc_hba * phba)
lpfc_linkdown(phba);
/* Issue an unreg_login to all nodes */
node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
node_list[1] = &phba->fc_nlpmap_list;
node_list[2] = &phba->fc_nlpunmap_list;
node_list[3] = &phba->fc_prli_list;
node_list[4] = &phba->fc_reglogin_list;
node_list[5] = &phba->fc_adisc_list;
node_list[6] = &phba->fc_plogi_list;
for (i = 0; i < 7; i++) {
listp = node_list[i];
if (list_empty(listp))
continue;
list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp)
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp)
if (ndlp->nlp_state != NLP_STE_UNUSED_NODE)
lpfc_unreg_rpi(phba, ndlp);
}
lpfc_sli_flush_mbox_queue(phba);
}
@ -1500,15 +1434,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
host->max_lun = phba->cfg_max_luns;
host->this_id = -1;
/* Initialize all internally managed lists. */
INIT_LIST_HEAD(&phba->fc_nlpmap_list);
INIT_LIST_HEAD(&phba->fc_nlpunmap_list);
INIT_LIST_HEAD(&phba->fc_unused_list);
INIT_LIST_HEAD(&phba->fc_plogi_list);
INIT_LIST_HEAD(&phba->fc_adisc_list);
INIT_LIST_HEAD(&phba->fc_reglogin_list);
INIT_LIST_HEAD(&phba->fc_prli_list);
INIT_LIST_HEAD(&phba->fc_npr_list);
INIT_LIST_HEAD(&phba->fc_nodes);
pci_set_master(pdev);
retval = pci_set_mwi(pdev);

8
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -1175,10 +1175,12 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
* fail, this routine returns failure to the midlayer.
*/
for (i = 0; i < LPFC_MAX_TARGET; i++) {
/* Search the mapped list for this target ID */
/* Search for mapped node by target ID */
match = 0;
list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) {
if ((i == ndlp->nlp_sid) && ndlp->rport) {
list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
i == ndlp->nlp_sid &&
ndlp->rport) {
match = 1;
break;
}