summaryrefslogtreecommitdiff
path: root/drivers/scsi/lpfc/lpfc_hbadisc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_hbadisc.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c169
1 files changed, 136 insertions, 33 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index ede831d1f467..6e64c8e8e44f 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -31,6 +31,9 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
+#include <scsi/fc/fc_fs.h>
+
+#include <linux/nvme-fc-driver.h>
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
@@ -38,8 +41,9 @@
#include "lpfc_disc.h"
#include "lpfc_sli.h"
#include "lpfc_sli4.h"
-#include "lpfc_scsi.h"
#include "lpfc.h"
+#include "lpfc_scsi.h"
+#include "lpfc_nvme.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
@@ -853,9 +857,12 @@ lpfc_port_link_failure(struct lpfc_vport *vport)
void
lpfc_linkdown_port(struct lpfc_vport *vport)
{
+ struct lpfc_hba *phba = vport->phba;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
- fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0);
+ if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
+ 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",
@@ -981,7 +988,9 @@ lpfc_linkup_port(struct lpfc_vport *vport)
(vport != phba->pport))
return;
- fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0);
+ if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
+ fc_host_post_event(shost, fc_get_event_number(),
+ FCH_EVT_LINKUP, 0);
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
@@ -3570,6 +3579,8 @@ lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
spin_unlock_irq(shost->host_lock);
vport->fc_myDID = 0;
+
+ /* todo: init: revise localport nvme attributes */
goto out;
}
@@ -3819,6 +3830,52 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
return;
}
+ /*
+ * This routine will issue a GID_FT for each FC4 Type supported
+ * by the driver. ALL GID_FTs must complete before discovery is started.
+ */
+int
+lpfc_issue_gidft(struct lpfc_vport *vport)
+{
+ struct lpfc_hba *phba = vport->phba;
+
+ /* Good status, issue CT Request to NameServer */
+ if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+ (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) {
+ if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, SLI_CTPT_FCP)) {
+ /* Cannot issue NameServer FCP Query, so finish up
+ * discovery
+ */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
+ "0604 %s FC TYPE %x %s\n",
+ "Failed to issue GID_FT to ",
+ FC_TYPE_FCP,
+ "Finishing discovery.");
+ return 0;
+ }
+ vport->gidft_inp++;
+ }
+
+ if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+ (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {
+ if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, SLI_CTPT_NVME)) {
+ /* Cannot issue NameServer NVME Query, so finish up
+ * discovery
+ */
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
+ "0605 %s FC_TYPE %x %s %d\n",
+ "Failed to issue GID_FT to ",
+ FC_TYPE_NVME,
+ "Finishing discovery: gidftinp ",
+ vport->gidft_inp);
+ if (vport->gidft_inp == 0)
+ return 0;
+ } else
+ vport->gidft_inp++;
+ }
+ return vport->gidft_inp;
+}
+
/*
* This routine handles processing a NameServer REG_LOGIN mailbox
* command upon completion. It is setup in the LPFC_MBOXQ
@@ -3835,12 +3892,14 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
pmb->context1 = NULL;
pmb->context2 = NULL;
+ vport->gidft_inp = 0;
if (mb->mbxStatus) {
-out:
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0260 Register NameServer error: 0x%x\n",
mb->mbxStatus);
+
+out:
/* decrement the node reference count held for this
* callback function.
*/
@@ -3884,20 +3943,28 @@ out:
lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0);
- lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0);
+
+ if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+ (phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
+ lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, FC_TYPE_FCP);
+
+ if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+ (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
+ lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, FC_TYPE_NVME);
/* Issue SCR just before NameServer GID_FT Query */
lpfc_issue_els_scr(vport, SCR_DID, 0);
}
vport->fc_ns_retry = 0;
- /* Good status, issue CT Request to NameServer */
- if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) {
- /* Cannot issue NameServer Query, so finish up discovery */
+ if (lpfc_issue_gidft(vport) == 0)
goto out;
- }
- /* decrement the node reference count held for this
+ /*
+ * At this point in time we may need to wait for multiple
+ * SLI_CTNS_GID_FT CT commands to complete before we start discovery.
+ *
+ * decrement the node reference count held for this
* callback function.
*/
lpfc_nlp_put(ndlp);
@@ -3990,6 +4057,10 @@ lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp)
{
struct fc_rport *rport = ndlp->rport;
struct lpfc_vport *vport = ndlp->vport;
+ struct lpfc_hba *phba = vport->phba;
+
+ if (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
+ return;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
"rport delete: did:x%x flg:x%x type x%x",
@@ -4047,6 +4118,7 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
int old_state, int new_state)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ struct lpfc_hba *phba = vport->phba;
if (new_state == NLP_STE_UNMAPPED_NODE) {
ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
@@ -4057,23 +4129,51 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
if (new_state == NLP_STE_NPR_NODE)
ndlp->nlp_flag &= ~NLP_RCV_PLOGI;
- /* Transport interface */
- if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE ||
- old_state == NLP_STE_UNMAPPED_NODE)) {
- vport->phba->nport_event_cnt++;
- lpfc_unregister_remote_port(ndlp);
+ /* FCP and NVME Transport interface */
+ if ((old_state == NLP_STE_MAPPED_NODE ||
+ old_state == NLP_STE_UNMAPPED_NODE)) {
+ if (ndlp->rport) {
+ vport->phba->nport_event_cnt++;
+ lpfc_unregister_remote_port(ndlp);
+ }
+
+ /* Notify the NVME transport of this rport's loss */
+ if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
+ (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
+ (vport->phba->nvmet_support == 0) &&
+ ((ndlp->nlp_fc4_type & NLP_FC4_NVME) ||
+ (ndlp->nlp_DID == Fabric_DID))) {
+ vport->phba->nport_event_cnt++;
+ /* todo: init: unregister rport from nvme */
+ }
}
+ /* FCP and NVME Transport interfaces */
+
if (new_state == NLP_STE_MAPPED_NODE ||
new_state == NLP_STE_UNMAPPED_NODE) {
- vport->phba->nport_event_cnt++;
- /*
- * Tell the fc transport about the port, if we haven't
- * already. If we have, and it's a scsi entity, be
- * sure to unblock any attached scsi devices
- */
- lpfc_register_remote_port(vport, ndlp);
+ if ((ndlp->nlp_fc4_type & NLP_FC4_FCP) ||
+ (ndlp->nlp_DID == Fabric_DID)) {
+ vport->phba->nport_event_cnt++;
+ /*
+ * Tell the fc transport about the port, if we haven't
+ * already. If we have, and it's a scsi entity, be
+ */
+ lpfc_register_remote_port(vport, ndlp);
+ }
+ /* Notify the NVME transport of this new rport. */
+ if (ndlp->nlp_fc4_type & NLP_FC4_NVME) {
+ if (vport->phba->nvmet_support == 0) {
+ /* Register this rport with the transport.
+ * Initiators take the NDLP ref count in
+ * the register.
+ */
+ vport->phba->nport_event_cnt++;
+ /* todo: init: register rport with nvme */
+ }
+ }
}
+
if ((new_state == NLP_STE_MAPPED_NODE) &&
(vport->stat_data_enabled)) {
/*
@@ -4091,12 +4191,13 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
"0x%x\n", ndlp->nlp_DID);
}
/*
- * if we added to Mapped list, but the remote port
- * registration failed or assigned a target id outside
- * our presentable range - move the node to the
- * Unmapped List
+ * If the node just added to Mapped list was an FCP target,
+ * but the remote port registration failed or assigned a target
+ * id outside the presentable range - move the node to the
+ * Unmapped List.
*/
- if (new_state == NLP_STE_MAPPED_NODE &&
+ if ((new_state == NLP_STE_MAPPED_NODE) &&
+ (ndlp->nlp_type & NLP_FCP_TARGET) &&
(!ndlp->rport ||
ndlp->rport->scsi_target_id == -1 ||
ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) {
@@ -4230,6 +4331,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->vport = vport;
ndlp->phba = vport->phba;
ndlp->nlp_sid = NLP_NO_SID;
+ ndlp->nlp_fc4_type = NLP_FC4_NONE;
kref_init(&ndlp->kref);
NLP_INT_NODE_ACT(ndlp);
atomic_set(&ndlp->cmd_pending, 0);
@@ -5369,12 +5471,13 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
switch (vport->port_state) {
case LPFC_LOCAL_CFG_LINK:
- /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for
- * FAN
- */
- /* FAN timeout */
+ /*
+ * port_state is identically LPFC_LOCAL_CFG_LINK while
+ * waiting for FAN timeout
+ */
lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
"0221 FAN timeout\n");
+
/* Start discovery by sending FLOGI, clean up old rpis */
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
nlp_listp) {
@@ -5445,8 +5548,8 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
/* Try it one more time */
vport->fc_ns_retry++;
- rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
- vport->fc_ns_retry, 0);
+ vport->gidft_inp = 0;
+ rc = lpfc_issue_gidft(vport);
if (rc == 0)
break;
}