- Add init_vpi mailbox command before re-registering VPI.
- Add Fast FCF failover support.
Signed-off-by: James Smart <james.smart@xxxxxxxxxx>
---
lpfc_crtn.h | 8
lpfc_els.c | 16 +
lpfc_hbadisc.c | 672 +++++++++++++++++++++++++++++++++++++--------------------
lpfc_hw4.h | 16 +
lpfc_init.c | 164 +++++++++++++
lpfc_mbox.c | 70 +++++
lpfc_sli.c | 128 +++++++---
lpfc_sli4.h | 36 ++-
8 files changed, 821 insertions(+), 289 deletions(-)
diff -upNr a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
--- a/drivers/scsi/lpfc/lpfc_crtn.h 2010-02-11 17:26:54.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_crtn.h 2010-02-12 10:52:43.000000000 -0500
@@ -78,6 +78,7 @@ void lpfc_set_disctmo(struct lpfc_vport
int lpfc_can_disctmo(struct lpfc_vport *);
int lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_unreg_all_rpis(struct lpfc_vport *);
+void lpfc_unreg_hba_rpis(struct lpfc_hba *);
void lpfc_unreg_default_rpis(struct lpfc_vport *);
void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
@@ -202,6 +203,7 @@ void lpfc_reg_fcfi(struct lpfc_hba *, st
void lpfc_unreg_fcfi(struct lpfcMboxq *, uint16_t);
void lpfc_resume_rpi(struct lpfcMboxq *, struct lpfc_nodelist *);
int lpfc_check_pending_fcoe_event(struct lpfc_hba *, uint8_t);
+void lpfc_issue_init_vpi(struct lpfc_vport *);
void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *,
uint32_t , LPFC_MBOXQ_t *);
@@ -211,7 +213,11 @@ struct hbq_dmabuf *lpfc_sli4_rb_alloc(st
void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *);
void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *,
uint16_t);
+void lpfc_unregister_fcf(struct lpfc_hba *);
+void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
void lpfc_unregister_unused_fcf(struct lpfc_hba *);
+int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
+void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
int lpfc_mem_alloc(struct lpfc_hba *, int align);
void lpfc_mem_free(struct lpfc_hba *);
@@ -370,6 +376,8 @@ void lpfc_free_fast_evt(struct lpfc_hba
void lpfc_create_static_vport(struct lpfc_hba *);
void lpfc_stop_hba_timers(struct lpfc_hba *);
void lpfc_stop_port(struct lpfc_hba *);
+void __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
+void lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *);
void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
void lpfc_start_fdiscs(struct lpfc_hba *phba);
diff -upNr a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
--- a/drivers/scsi/lpfc/lpfc_els.c 2010-02-11 17:26:54.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_els.c 2010-02-12 10:52:43.000000000 -0500
@@ -589,6 +589,15 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_v
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
}
+ /*
+ * If VPI is unreged, driver need to do INIT_VPI
+ * before re-registering
+ */
+ if (phba->sli_rev == LPFC_SLI_REV4) {
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+ spin_unlock_irq(shost->host_lock);
+ }
}
if (phba->sli_rev < LPFC_SLI_REV4) {
@@ -606,7 +615,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_v
lpfc_start_fdiscs(phba);
lpfc_do_scr_ns_plogi(phba, vport);
} else if (vport->fc_flag & FC_VFI_REGISTERED)
- lpfc_register_new_vport(phba, vport, ndlp);
+ lpfc_issue_init_vpi(vport);
else
lpfc_issue_reg_vfi(vport);
}
@@ -6210,10 +6219,13 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phb
lpfc_mbx_unreg_vpi(vport);
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+ vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
spin_unlock_irq(shost->host_lock);
}
- if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
+ if (vport->fc_flag & FC_VPORT_NEEDS_INIT_VPI)
+ lpfc_issue_init_vpi(vport);
+ else if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
lpfc_register_new_vport(phba, vport, ndlp);
else
lpfc_do_scr_ns_plogi(phba, vport);
diff -upNr a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c 2010-02-11 17:26:54.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c 2010-02-12 10:52:43.000000000 -0500
@@ -525,6 +525,8 @@ lpfc_work_done(struct lpfc_hba *phba)
spin_unlock_irq(&phba->hbalock);
lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
}
+ if (phba->fcf.fcf_flag & FCF_REDISC_EVT)
+ lpfc_sli4_fcf_redisc_event_proc(phba);
}
vports = lpfc_create_vport_work_array(phba);
@@ -754,7 +756,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
lpfc_scsi_dev_block(phba);
spin_lock_irq(&phba->hbalock);
- phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_DISCOVERED);
+ phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
if (phba->link_state > LPFC_LINK_DOWN) {
phba->link_state = LPFC_LINK_DOWN;
phba->pport->fc_flag &= ~FC_LBIT;
@@ -1025,7 +1027,7 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *
return;
}
spin_lock_irqsave(&phba->hbalock, flags);
- phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
+ phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
spin_unlock_irqrestore(&phba->hbalock, flags);
if (vport->port_state != LPFC_FLOGI)
@@ -1047,25 +1049,23 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *
static uint32_t
lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record)
{
- if ((fab_name[0] ==
- bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) &&
- (fab_name[1] ==
- bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) &&
- (fab_name[2] ==
- bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) &&
- (fab_name[3] ==
- bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) &&
- (fab_name[4] ==
- bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) &&
- (fab_name[5] ==
- bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) &&
- (fab_name[6] ==
- bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) &&
- (fab_name[7] ==
- bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)))
- return 1;
- else
+ if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record))
+ return 0;
+ if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record))
+ return 0;
+ if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record))
+ return 0;
+ if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record))
+ return 0;
+ if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record))
+ return 0;
+ if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record))
return 0;
+ if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record))
+ return 0;
+ if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record))
+ return 0;
+ return 1;
}
/**
@@ -1080,30 +1080,28 @@ lpfc_fab_name_match(uint8_t *fab_name, s
static uint32_t
lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record)
{
- if ((sw_name[0] ==
- bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) &&
- (sw_name[1] ==
- bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) &&
- (sw_name[2] ==
- bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) &&
- (sw_name[3] ==
- bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) &&
- (sw_name[4] ==
- bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) &&
- (sw_name[5] ==
- bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) &&
- (sw_name[6] ==
- bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) &&
- (sw_name[7] ==
- bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)))
- return 1;
- else
+ if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record))
+ return 0;
+ if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record))
+ return 0;
+ if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record))
return 0;
+ if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record))
+ return 0;
+ if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record))
+ return 0;
+ if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record))
+ return 0;
+ if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record))
+ return 0;
+ if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record))
+ return 0;
+ return 1;
}
/**
* lpfc_mac_addr_match - Check if the fcf mac address match.
- * @phba: pointer to lpfc hba data structure.
+ * @mac_addr: pointer to mac address.
* @new_fcf_record: pointer to fcf record.
*
* This routine compare the fcf record's mac address with HBA's
@@ -1111,85 +1109,115 @@ lpfc_sw_name_match(uint8_t *sw_name, str
* returns 1 else return 0.
**/
static uint32_t
-lpfc_mac_addr_match(struct lpfc_hba *phba, struct fcf_record *new_fcf_record)
+lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record)
{
- if ((phba->fcf.mac_addr[0] ==
- bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) &&
- (phba->fcf.mac_addr[1] ==
- bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) &&
- (phba->fcf.mac_addr[2] ==
- bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) &&
- (phba->fcf.mac_addr[3] ==
- bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) &&
- (phba->fcf.mac_addr[4] ==
- bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) &&
- (phba->fcf.mac_addr[5] ==
- bf_get(lpfc_fcf_record_mac_5, new_fcf_record)))
- return 1;
- else
+ if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record))
+ return 0;
+ if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record))
+ return 0;
+ if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record))
+ return 0;
+ if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record))
+ return 0;
+ if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record))
+ return 0;
+ if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record))
return 0;
+ return 1;
+}
+
+static bool
+lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id)
+{
+ return (curr_vlan_id == new_vlan_id);
}
/**
* lpfc_copy_fcf_record - Copy fcf information to lpfc_hba.
- * @phba: pointer to lpfc hba data structure.
+ * @fcf: pointer to driver fcf record.
* @new_fcf_record: pointer to fcf record.
*
* This routine copies the FCF information from the FCF
* record to lpfc_hba data structure.
**/
static void
-lpfc_copy_fcf_record(struct lpfc_hba *phba, struct fcf_record *new_fcf_record)
+lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec,
+ struct fcf_record *new_fcf_record)
{
- phba->fcf.fabric_name[0] =
+ /* Fabric name */
+ fcf_rec->fabric_name[0] =
bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record);
- phba->fcf.fabric_name[1] =
+ fcf_rec->fabric_name[1] =
bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record);
- phba->fcf.fabric_name[2] =
+ fcf_rec->fabric_name[2] =
bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record);
- phba->fcf.fabric_name[3] =
+ fcf_rec->fabric_name[3] =
bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record);
- phba->fcf.fabric_name[4] =
+ fcf_rec->fabric_name[4] =
bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record);
- phba->fcf.fabric_name[5] =
+ fcf_rec->fabric_name[5] =
bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record);
- phba->fcf.fabric_name[6] =
+ fcf_rec->fabric_name[6] =
bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record);
- phba->fcf.fabric_name[7] =
+ fcf_rec->fabric_name[7] =
bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record);
- phba->fcf.mac_addr[0] =
- bf_get(lpfc_fcf_record_mac_0, new_fcf_record);
- phba->fcf.mac_addr[1] =
- bf_get(lpfc_fcf_record_mac_1, new_fcf_record);
- phba->fcf.mac_addr[2] =
- bf_get(lpfc_fcf_record_mac_2, new_fcf_record);
- phba->fcf.mac_addr[3] =
- bf_get(lpfc_fcf_record_mac_3, new_fcf_record);
- phba->fcf.mac_addr[4] =
- bf_get(lpfc_fcf_record_mac_4, new_fcf_record);
- phba->fcf.mac_addr[5] =
- bf_get(lpfc_fcf_record_mac_5, new_fcf_record);
- phba->fcf.fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
- phba->fcf.priority = new_fcf_record->fip_priority;
- phba->fcf.switch_name[0] =
+ /* Mac address */
+ fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record);
+ fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record);
+ fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record);
+ fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record);
+ fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record);
+ fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record);
+ /* FCF record index */
+ fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+ /* FCF record priority */
+ fcf_rec->priority = new_fcf_record->fip_priority;
+ /* Switch name */
+ fcf_rec->switch_name[0] =
bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record);
- phba->fcf.switch_name[1] =
+ fcf_rec->switch_name[1] =
bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record);
- phba->fcf.switch_name[2] =
+ fcf_rec->switch_name[2] =
bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record);
- phba->fcf.switch_name[3] =
+ fcf_rec->switch_name[3] =
bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record);
- phba->fcf.switch_name[4] =
+ fcf_rec->switch_name[4] =
bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record);
- phba->fcf.switch_name[5] =
+ fcf_rec->switch_name[5] =
bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record);
- phba->fcf.switch_name[6] =
+ fcf_rec->switch_name[6] =
bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record);
- phba->fcf.switch_name[7] =
+ fcf_rec->switch_name[7] =
bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record);
}
/**
+ * lpfc_update_fcf_record - Update driver fcf record
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_rec: pointer to driver fcf record.
+ * @new_fcf_record: pointer to hba fcf record.
+ * @addr_mode: address mode to be set to the driver fcf record.
+ * @vlan_id: vlan tag to be set to the driver fcf record.
+ * @flag: flag bits to be set to the driver fcf record.
+ *
+ * This routine updates the driver FCF record from the new HBA FCF record
+ * together with the address mode, vlan_id, and other informations. This
+ * routine is called with the host lock held.
+ **/
+static void
+__lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec,
+ struct fcf_record *new_fcf_record, uint32_t addr_mode,
+ uint16_t vlan_id, uint32_t flag)
+{
+ /* Copy the fields from the HBA's FCF record */
+ lpfc_copy_fcf_record(fcf_rec, new_fcf_record);
+ /* Update other fields of driver FCF record */
+ fcf_rec->addr_mode = addr_mode;
+ fcf_rec->vlan_id = vlan_id;
+ fcf_rec->flag |= (flag | RECORD_VALID);
+}
+
+/**
* lpfc_register_fcf - Register the FCF with hba.
* @phba: pointer to lpfc hba data structure.
*
@@ -1214,7 +1242,7 @@ lpfc_register_fcf(struct lpfc_hba *phba)
/* The FCF is already registered, start discovery */
if (phba->fcf.fcf_flag & FCF_REGISTERED) {
- phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE);
+ phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
spin_unlock_irqrestore(&phba->hbalock, flags);
if (phba->pport->port_state != LPFC_FLOGI)
@@ -1252,6 +1280,7 @@ lpfc_register_fcf(struct lpfc_hba *phba)
* @new_fcf_record: pointer to fcf record.
* @boot_flag: Indicates if this record used by boot bios.
* @addr_mode: The address mode to be used by this FCF
+ * @vlan_id: The vlan id to be used as vlan tagging by this FCF.
*
* This routine compare the fcf record with connect list obtained from the
* config region to decide if this FCF can be used for SAN discovery. It returns
@@ -1325,7 +1354,8 @@ lpfc_match_fcf_conn_list(struct lpfc_hba
return 1;
}
- list_for_each_entry(conn_entry, &phba->fcf_conn_rec_list, list) {
+ list_for_each_entry(conn_entry,
+ &phba->fcf_conn_rec_list, list) {
if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID))
continue;
@@ -1472,6 +1502,7 @@ lpfc_check_pending_fcoe_event(struct lpf
*/
spin_lock_irq(&phba->hbalock);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+ phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
spin_unlock_irq(&phba->hbalock);
}
@@ -1526,11 +1557,12 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpf
uint32_t shdr_status, shdr_add_status;
union lpfc_sli4_cfg_shdr *shdr;
struct fcf_record *new_fcf_record;
- int rc;
uint32_t boot_flag, addr_mode;
uint32_t next_fcf_index;
- unsigned long flags;
+ struct lpfc_fcf_rec *fcf_rec = NULL;
+ unsigned long iflags;
uint16_t vlan_id;
+ int rc;
/* If there is pending FCoE event restart FCF table scan */
if (lpfc_check_pending_fcoe_event(phba, 0)) {
@@ -1585,9 +1617,8 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpf
sizeof(struct fcf_record));
bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
- rc = lpfc_match_fcf_conn_list(phba, new_fcf_record,
- &boot_flag, &addr_mode,
- &vlan_id);
+ rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+ &addr_mode, &vlan_id);
/*
* If the fcf record does not match with connect list entries
* read the next entry.
@@ -1596,90 +1627,159 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpf
goto read_next_fcf;
/*
* If this is not the first FCF discovery of the HBA, use last
- * FCF record for the discovery.
+ * FCF record for the discovery. The condition that a rescan
+ * matches the in-use FCF record: fabric name, switch name, mac
+ * address, and vlan_id.
*/
- spin_lock_irqsave(&phba->hbalock, flags);
+ spin_lock_irqsave(&phba->hbalock, iflags);
if (phba->fcf.fcf_flag & FCF_IN_USE) {
- if (lpfc_fab_name_match(phba->fcf.fabric_name,
+ if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name,
+ new_fcf_record) &&
+ lpfc_sw_name_match(phba->fcf.current_rec.switch_name,
new_fcf_record) &&
- lpfc_sw_name_match(phba->fcf.switch_name,
+ lpfc_mac_addr_match(phba->fcf.current_rec.mac_addr,
new_fcf_record) &&
- lpfc_mac_addr_match(phba, new_fcf_record)) {
+ lpfc_vlan_id_match(phba->fcf.current_rec.vlan_id,
+ vlan_id)) {
phba->fcf.fcf_flag |= FCF_AVAILABLE;
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ if (phba->fcf.fcf_flag & FCF_REDISC_PEND)
+ /* Stop FCF redisc wait timer if pending */
+ __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
+ else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
+ /* If in fast failover, mark it's completed */
+ phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
goto out;
}
- spin_unlock_irqrestore(&phba->hbalock, flags);
- goto read_next_fcf;
+ /*
+ * Read next FCF record from HBA searching for the matching
+ * with in-use record only if not during the fast failover
+ * period. In case of fast failover period, it shall try to
+ * determine whether the FCF record just read should be the
+ * next candidate.
+ */
+ if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
+ goto read_next_fcf;
+ }
}
+ /*
+ * Update on failover FCF record only if it's in FCF fast-failover
+ * period; otherwise, update on current FCF record.
+ */
+ if (phba->fcf.fcf_flag & FCF_REDISC_FOV) {
+ /* Fast FCF failover only to the same fabric name */
+ if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name,
+ new_fcf_record))
+ fcf_rec = &phba->fcf.failover_rec;
+ else
+ goto read_next_fcf;
+ } else
+ fcf_rec = &phba->fcf.current_rec;
+
if (phba->fcf.fcf_flag & FCF_AVAILABLE) {
/*
- * If the current FCF record does not have boot flag
- * set and new fcf record has boot flag set, use the
- * new fcf record.
+ * If the driver FCF record does not have boot flag
+ * set and new hba fcf record has boot flag set, use
+ * the new hba fcf record.
*/
- if (boot_flag && !(phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) {
- /* Use this FCF record */
- lpfc_copy_fcf_record(phba, new_fcf_record);
- phba->fcf.addr_mode = addr_mode;
- phba->fcf.fcf_flag |= FCF_BOOT_ENABLE;
- if (vlan_id != 0xFFFF) {
- phba->fcf.fcf_flag |= FCF_VALID_VLAN;
- phba->fcf.vlan_id = vlan_id;
- }
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) {
+ /* Choose this FCF record */
+ __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
+ addr_mode, vlan_id, BOOT_ENABLE);
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
goto read_next_fcf;
}
/*
- * If the current FCF record has boot flag set and the
- * new FCF record does not have boot flag, read the next
- * FCF record.
+ * If the driver FCF record has boot flag set and the
+ * new hba FCF record does not have boot flag, read
+ * the next FCF record.
*/
- if (!boot_flag && (phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) {
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) {
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
goto read_next_fcf;
}
/*
- * If there is a record with lower priority value for
- * the current FCF, use that record.
+ * If the new hba FCF record has lower priority value
+ * than the driver FCF record, use the new record.
*/
- if (lpfc_fab_name_match(phba->fcf.fabric_name,
- new_fcf_record) &&
- (new_fcf_record->fip_priority < phba->fcf.priority)) {
- /* Use this FCF record */
- lpfc_copy_fcf_record(phba, new_fcf_record);
- phba->fcf.addr_mode = addr_mode;
- if (vlan_id != 0xFFFF) {
- phba->fcf.fcf_flag |= FCF_VALID_VLAN;
- phba->fcf.vlan_id = vlan_id;
- }
- spin_unlock_irqrestore(&phba->hbalock, flags);
- goto read_next_fcf;
+ if (lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record) &&
+ (new_fcf_record->fip_priority < fcf_rec->priority)) {
+ /* Choose this FCF record */
+ __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
+ addr_mode, vlan_id, 0);
}
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
goto read_next_fcf;
}
/*
- * This is the first available FCF record, use this
- * record.
+ * This is the first suitable FCF record, choose this record for
+ * initial best-fit FCF.
*/
- lpfc_copy_fcf_record(phba, new_fcf_record);
- phba->fcf.addr_mode = addr_mode;
- if (boot_flag)
- phba->fcf.fcf_flag |= FCF_BOOT_ENABLE;
- phba->fcf.fcf_flag |= FCF_AVAILABLE;
- if (vlan_id != 0xFFFF) {
- phba->fcf.fcf_flag |= FCF_VALID_VLAN;
- phba->fcf.vlan_id = vlan_id;
+ if (fcf_rec) {
+ __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
+ addr_mode, vlan_id, (boot_flag ?
+ BOOT_ENABLE : 0));
+ phba->fcf.fcf_flag |= FCF_AVAILABLE;
}
- spin_unlock_irqrestore(&phba->hbalock, flags);
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
goto read_next_fcf;
read_next_fcf:
lpfc_sli4_mbox_cmd_free(phba, mboxq);
- if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0)
- lpfc_register_fcf(phba);
- else
+ if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) {
+ if (phba->fcf.fcf_flag & FCF_REDISC_FOV) {
+ /*
+ * Case of FCF fast failover scan
+ */
+
+ /*
+ * It has not found any suitable FCF record, cancel
+ * FCF scan inprogress, and do nothing
+ */
+ if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) {
+ spin_lock_irqsave(&phba->hbalock, iflags);
+ phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
+ return;
+ }
+ /*
+ * It has found a suitable FCF record that is not
+ * the same as in-use FCF record, unregister the
+ * in-use FCF record, replace the in-use FCF record
+ * with the new FCF record, mark FCF fast failover
+ * completed, and then start register the new FCF
+ * record.
+ */
+
+ /* unregister the current in-use FCF record */
+ lpfc_unregister_fcf(phba);
+ /* replace in-use record with the new record */
+ memcpy(&phba->fcf.current_rec,
+ &phba->fcf.failover_rec,
+ sizeof(struct lpfc_fcf_rec));
+ /* mark the FCF fast failover completed */
+ spin_lock_irqsave(&phba->hbalock, iflags);
+ phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
+ /* Register to the new FCF record */
+ lpfc_register_fcf(phba);
+ } else {
+ /*
+ * In case of transaction period to fast FCF failover,
+ * do nothing when search to the end of the FCF table.
+ */
+ if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) ||
+ (phba->fcf.fcf_flag & FCF_REDISC_PEND))
+ return;
+ /*
+ * Otherwise, initial scan or post linkdown rescan,
+ * register with the best fit FCF record found so
+ * far through the scanning process.
+ */
+ lpfc_register_fcf(phba);
+ }
+ } else
lpfc_sli4_read_fcf_record(phba, next_fcf_index);
return;
@@ -1741,6 +1841,37 @@ lpfc_init_vpi_cmpl(struct lpfc_hba *phba
}
/**
+ * lpfc_issue_init_vpi - Issue init_vpi mailbox command.
+ * @vport: pointer to lpfc_vport data structure.
+ *
+ * This function issue a init_vpi mailbox command to initialize
+ * VPI for the vport.
+ */
+void
+lpfc_issue_init_vpi(struct lpfc_vport *vport)
+{
+ LPFC_MBOXQ_t *mboxq;
+ int rc;
+
+ mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mboxq) {
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_MBOX, "2607 Failed to allocate "
+ "init_vpi mailbox\n");
+ return;
+ }
+ lpfc_init_vpi(vport->phba, mboxq, vport->vpi);
+ mboxq->vport = vport;
+ mboxq->mbox_cmpl = lpfc_init_vpi_cmpl;
+ rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n");
+ mempool_free(mboxq, vport->phba->mbox_mem_pool);
+ }
+}
+
+/**
* lpfc_start_fdiscs - send fdiscs for each vports on this port.
* @phba: pointer to lpfc hba data structure.
*
@@ -1752,8 +1883,6 @@ lpfc_start_fdiscs(struct lpfc_hba *phba)
{
struct lpfc_vport **vports;
int i;
- LPFC_MBOXQ_t *mboxq;
- int rc;
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
@@ -1772,26 +1901,7 @@ lpfc_start_fdiscs(struct lpfc_hba *phba)
continue;
}
if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) {
- mboxq = mempool_alloc(phba->mbox_mem_pool,
- GFP_KERNEL);
- if (!mboxq) {
- lpfc_printf_vlog(vports[i], KERN_ERR,
- LOG_MBOX, "2607 Failed to allocate "
- "init_vpi mailbox\n");
- continue;
- }
- lpfc_init_vpi(phba, mboxq, vports[i]->vpi);
- mboxq->vport = vports[i];
- mboxq->mbox_cmpl = lpfc_init_vpi_cmpl;
- rc = lpfc_sli_issue_mbox(phba, mboxq,
- MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED) {
- lpfc_printf_vlog(vports[i], KERN_ERR,
- LOG_MBOX, "2608 Failed to issue "
- "init_vpi mailbox\n");
- mempool_free(mboxq,
- phba->mbox_mem_pool);
- }
+ lpfc_issue_init_vpi(vports[i]);
continue;
}
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
@@ -2071,8 +2181,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba
return;
}
spin_unlock_irq(&phba->hbalock);
- rc = lpfc_sli4_read_fcf_record(phba,
- LPFC_FCOE_FCF_GET_FIRST);
+ rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
if (rc)
goto out;
}
@@ -3240,6 +3349,34 @@ lpfc_unreg_rpi(struct lpfc_vport *vport,
return 0;
}
+/**
+ * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unregister all the currently registered RPIs
+ * to the HBA.
+ **/
+void
+lpfc_unreg_hba_rpis(struct lpfc_hba *phba)
+{
+ struct lpfc_vport **vports;
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
+ int i;
+
+ vports = lpfc_create_vport_work_array(phba);
+ for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
+ shost = lpfc_shost_from_vport(vports[i]);
+ spin_lock_irq(shost->host_lock);
+ list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
+ if (ndlp->nlp_flag & NLP_RPI_VALID)
+ lpfc_unreg_rpi(vports[i], ndlp);
+ }
+ spin_unlock_irq(shost->host_lock);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+}
+
void
lpfc_unreg_all_rpis(struct lpfc_vport *vport)
{
@@ -4470,47 +4607,31 @@ lpfc_unregister_fcfi_cmpl(struct lpfc_hb
}
/**
- * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected.
+ * lpfc_unregister_fcf_prep - Unregister fcf record preparation
* @phba: Pointer to hba context object.
*
- * This function check if there are any connected remote port for the FCF and
- * if all the devices are disconnected, this function unregister FCFI.
- * This function also tries to use another FCF for discovery.
+ * This function prepare the HBA for unregistering the currently registered
+ * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and
+ * VFIs.
*/
-void
-lpfc_unregister_unused_fcf(struct lpfc_hba *phba)
+int
+lpfc_unregister_fcf_prep(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *mbox;
- int rc;
struct lpfc_vport **vports;
- int i;
struct lpfc_nodelist *ndlp;
+ int i, rc;
- spin_lock_irq(&phba->hbalock);
- /*
- * If HBA is not running in FIP mode or
- * If HBA does not support FCoE or
- * If FCF is not registered.
- * do nothing.
- */
- if (!(phba->hba_flag & HBA_FCOE_SUPPORT) ||
- !(phba->fcf.fcf_flag & FCF_REGISTERED) ||
- (!(phba->hba_flag & HBA_FIP_SUPPORT))) {
- spin_unlock_irq(&phba->hbalock);
- return;
- }
- spin_unlock_irq(&phba->hbalock);
-
+ /* Unregister RPIs */
if (lpfc_fcf_inuse(phba))
- return;
+ lpfc_unreg_hba_rpis(phba);
/* At this point, all discovery is aborted */
phba->pport->port_state = LPFC_VPORT_UNKNOWN;
/* Unregister VPIs */
vports = lpfc_create_vport_work_array(phba);
- if (vports &&
- (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))
+ if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
/* Stop FLOGI/FDISC retries */
ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
@@ -4531,10 +4652,9 @@ lpfc_unregister_unused_fcf(struct lpfc_h
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
- "2556 UNREG_VFI mbox allocation failed"
- "HBA state x%x\n",
- phba->pport->port_state);
- return;
+ "2556 UNREG_VFI mbox allocation failed"
+ "HBA state x%x\n", phba->pport->port_state);
+ return -ENOMEM;
}
lpfc_unreg_vfi(mbox, phba->pport);
@@ -4544,62 +4664,162 @@ lpfc_unregister_unused_fcf(struct lpfc_h
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
- "2557 UNREG_VFI issue mbox failed rc x%x "
- "HBA state x%x\n",
- rc, phba->pport->port_state);
+ "2557 UNREG_VFI issue mbox failed rc x%x "
+ "HBA state x%x\n",
+ rc, phba->pport->port_state);
mempool_free(mbox, phba->mbox_mem_pool);
- return;
+ return -EIO;
}
spin_lock_irq(&phba->hbalock);
phba->pport->fc_flag &= ~FC_VFI_REGISTERED;
spin_unlock_irq(&phba->hbalock);
- /* Unregister FCF */
+ return 0;
+}
+
+/**
+ * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record
+ * @phba: Pointer to hba context object.
+ *
+ * This function issues synchronous unregister FCF mailbox command to HBA to
+ * unregister the currently registered FCF record. The driver does not reset
+ * the driver FCF usage state flags.
+ *
+ * Return 0 if successfully issued, none-zero otherwise.
+ */
+int
+lpfc_sli4_unregister_fcf(struct lpfc_hba *phba)
+{
+ LPFC_MBOXQ_t *mbox;
+ int rc;
+
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox) {
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
- "2551 UNREG_FCFI mbox allocation failed"
- "HBA state x%x\n",
- phba->pport->port_state);
- return;
+ "2551 UNREG_FCFI mbox allocation failed"
+ "HBA state x%x\n", phba->pport->port_state);
+ return -ENOMEM;
}
-
lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
- "2552 UNREG_FCFI issue mbox failed rc x%x "
- "HBA state x%x\n",
- rc, phba->pport->port_state);
- mempool_free(mbox, phba->mbox_mem_pool);
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "2552 Unregister FCFI command failed rc x%x "
+ "HBA state x%x\n",
+ rc, phba->pport->port_state);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/**
+ * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan
+ * @phba: Pointer to hba context object.
+ *
+ * This function unregisters the currently reigstered FCF. This function
+ * also tries to find another FCF for discovery by rescan the HBA FCF table.
+ */
+void
+lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
+{
+ int rc;
+
+ /* Preparation for unregistering fcf */
+ rc = lpfc_unregister_fcf_prep(phba);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "2748 Failed to prepare for unregistering "
+ "HBA's FCF record: rc=%d\n", rc);
return;
}
- spin_lock_irq(&phba->hbalock);
- phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_REGISTERED |
- FCF_DISCOVERED | FCF_BOOT_ENABLE | FCF_IN_USE |
- FCF_VALID_VLAN);
- spin_unlock_irq(&phba->hbalock);
+ /* Now, unregister FCF record and reset HBA FCF state */
+ rc = lpfc_sli4_unregister_fcf(phba);
+ if (rc)
+ return;
+ /* Reset HBA FCF states after successful unregister FCF */
+ phba->fcf.fcf_flag = 0;
/*
* If driver is not unloading, check if there is any other
* FCF record that can be used for discovery.
*/
if ((phba->pport->load_flag & FC_UNLOADING) ||
- (phba->link_state < LPFC_LINK_UP))
+ (phba->link_state < LPFC_LINK_UP))
return;
rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
if (rc)
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
- "2553 lpfc_unregister_unused_fcf failed to read FCF"
- " record HBA state x%x\n",
- phba->pport->port_state);
+ "2553 lpfc_unregister_unused_fcf failed "
+ "to read FCF record HBA state x%x\n",
+ phba->pport->port_state);
+}
+
+/**
+ * lpfc_unregister_fcf - Unregister the currently registered fcf record
+ * @phba: Pointer to hba context object.
+ *
+ * This function just unregisters the currently reigstered FCF. It does not
+ * try to find another FCF for discovery.
+ */
+void
+lpfc_unregister_fcf(struct lpfc_hba *phba)
+{
+ int rc;
+
+ /* Preparation for unregistering fcf */
+ rc = lpfc_unregister_fcf_prep(phba);
+ if (rc) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "2749 Failed to prepare for unregistering "
+ "HBA's FCF record: rc=%d\n", rc);
+ return;
+ }
+
+ /* Now, unregister FCF record and reset HBA FCF state */
+ rc = lpfc_sli4_unregister_fcf(phba);
+ if (rc)
+ return;
+ /* Set proper HBA FCF states after successful unregister FCF */
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_REGISTERED;
+ spin_unlock_irq(&phba->hbalock);
+}
+
+/**
+ * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected.
+ * @phba: Pointer to hba context object.
+ *
+ * This function check if there are any connected remote port for the FCF and
+ * if all the devices are disconnected, this function unregister FCFI.
+ * This function also tries to use another FCF for discovery.
+ */
+void
+lpfc_unregister_unused_fcf(struct lpfc_hba *phba)
+{
+ /*
+ * If HBA is not running in FIP mode or if HBA does not support
+ * FCoE or if FCF is not registered, do nothing.
+ */
+ spin_lock_irq(&phba->hbalock);
+ if (!(phba->hba_flag & HBA_FCOE_SUPPORT) ||
+ !(phba->fcf.fcf_flag & FCF_REGISTERED) ||
+ !(phba->hba_flag & HBA_FIP_SUPPORT)) {
+ spin_unlock_irq(&phba->hbalock);
+ return;
+ }
+ spin_unlock_irq(&phba->hbalock);
+
+ if (lpfc_fcf_inuse(phba))
+ return;
+
+ lpfc_unregister_fcf_rescan(phba);
}
/**
diff -upNr a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
--- a/drivers/scsi/lpfc/lpfc_hw4.h 2010-02-12 10:52:11.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_hw4.h 2010-02-12 10:52:43.000000000 -0500
@@ -797,6 +797,7 @@ struct mbox_header {
#define LPFC_MBOX_OPCODE_FCOE_ADD_FCF 0x09
#define LPFC_MBOX_OPCODE_FCOE_DELETE_FCF 0x0A
#define LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE 0x0B
+#define LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF 0x10
/* Mailbox command structures */
struct eq_context {
@@ -1297,6 +1298,19 @@ struct lpfc_mbx_del_fcf_tbl_entry {
#define lpfc_mbx_del_fcf_tbl_index_WORD word10
};
+struct lpfc_mbx_redisc_fcf_tbl {
+ struct mbox_header header;
+ uint32_t word10;
+#define lpfc_mbx_redisc_fcf_count_SHIFT 0
+#define lpfc_mbx_redisc_fcf_count_MASK 0x0000FFFF
+#define lpfc_mbx_redisc_fcf_count_WORD word10
+ uint32_t resvd;
+ uint32_t word12;
+#define lpfc_mbx_redisc_fcf_index_SHIFT 0
+#define lpfc_mbx_redisc_fcf_index_MASK 0x0000FFFF
+#define lpfc_mbx_redisc_fcf_index_WORD word12
+};
+
struct lpfc_mbx_query_fw_cfg {
struct mbox_header header;
uint32_t config_number;
@@ -1859,6 +1873,7 @@ struct lpfc_mqe {
struct lpfc_mbx_read_fcf_tbl read_fcf_tbl;
struct lpfc_mbx_add_fcf_tbl_entry add_fcf_entry;
struct lpfc_mbx_del_fcf_tbl_entry del_fcf_entry;
+ struct lpfc_mbx_redisc_fcf_tbl redisc_fcf_tbl;
struct lpfc_mbx_reg_fcfi reg_fcfi;
struct lpfc_mbx_unreg_fcfi unreg_fcfi;
struct lpfc_mbx_mq_create mq_create;
@@ -1975,6 +1990,7 @@ struct lpfc_acqe_fcoe {
#define LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL 0x2
#define LPFC_FCOE_EVENT_TYPE_FCF_DEAD 0x3
#define LPFC_FCOE_EVENT_TYPE_CVL 0x4
+#define LPFC_FCOE_EVENT_TYPE_FCF_PARAM_MOD 0x5
uint32_t event_tag;
uint32_t trailer;
};
diff -upNr a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
--- a/drivers/scsi/lpfc/lpfc_init.c 2010-02-12 10:52:11.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_init.c 2010-02-12 10:52:43.000000000 -0500
@@ -2073,6 +2073,44 @@ lpfc_stop_vport_timers(struct lpfc_vport
}
/**
+ * __lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops the SLI4 FCF rediscover wait timer if it's on. The
+ * caller of this routine should already hold the host lock.
+ **/
+void
+__lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
+{
+ /* Clear pending FCF rediscovery wait timer */
+ phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+ /* Now, try to stop the timer */
+ del_timer(&phba->fcf.redisc_wait);
+}
+
+/**
+ * lpfc_sli4_stop_fcf_redisc_wait_timer - Stop FCF rediscovery wait timer
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops the SLI4 FCF rediscover wait timer if it's on. It
+ * checks whether the FCF rediscovery wait timer is pending with the host
+ * lock held before proceeding with disabling the timer and clearing the
+ * wait timer pendig flag.
+ **/
+void
+lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
+{
+ spin_lock_irq(&phba->hbalock);
+ if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
+ /* FCF rediscovery timer already fired or stopped */
+ spin_unlock_irq(&phba->hbalock);
+ return;
+ }
+ __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
+ spin_unlock_irq(&phba->hbalock);
+}
+
+/**
* lpfc_stop_hba_timers - Stop all the timers associated with an HBA
* @phba: pointer to lpfc hba data structure.
*
@@ -2096,6 +2134,7 @@ lpfc_stop_hba_timers(struct lpfc_hba *ph
break;
case LPFC_PCI_DEV_OC:
/* Stop any OneConnect device sepcific driver timers */
+ lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
break;
default:
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -2706,7 +2745,7 @@ lpfc_sli_remove_dflt_fcf(struct lpfc_hba
del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry;
bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1);
bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record,
- phba->fcf.fcf_indx);
+ phba->fcf.current_rec.fcf_indx);
if (!phba->sli4_hba.intr_enable)
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
@@ -2730,6 +2769,57 @@ lpfc_sli_remove_dflt_fcf(struct lpfc_hba
}
/**
+ * lpfc_fcf_redisc_wait_start_timer - Start fcf rediscover wait timer
+ * @phba: Pointer to hba for which this call is being executed.
+ *
+ * This routine starts the timer waiting for the FCF rediscovery to complete.
+ **/
+void
+lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba)
+{
+ unsigned long fcf_redisc_wait_tmo =
+ (jiffies + msecs_to_jiffies(LPFC_FCF_REDISCOVER_WAIT_TMO));
+ /* Start fcf rediscovery wait period timer */
+ mod_timer(&phba->fcf.redisc_wait, fcf_redisc_wait_tmo);
+ spin_lock_irq(&phba->hbalock);
+ /* Allow action to new fcf asynchronous event */
+ phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
+ /* Mark the FCF rediscovery pending state */
+ phba->fcf.fcf_flag |= FCF_REDISC_PEND;
+ spin_unlock_irq(&phba->hbalock);
+}
+
+/**
+ * lpfc_sli4_fcf_redisc_wait_tmo - FCF table rediscover wait timeout
+ * @ptr: Map to lpfc_hba data structure pointer.
+ *
+ * This routine is invoked when waiting for FCF table rediscover has been
+ * timed out. If new FCF record(s) has (have) been discovered during the
+ * wait period, a new FCF event shall be added to the FCOE async event
+ * list, and then worker thread shall be waked up for processing from the
+ * worker thread context.
+ **/
+void
+lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
+{
+ struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
+
+ /* Don't send FCF rediscovery event if timer cancelled */
+ spin_lock_irq(&phba->hbalock);
+ if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND)) {
+ spin_unlock_irq(&phba->hbalock);
+ return;
+ }
+ /* Clear FCF rediscovery timer pending flag */
+ phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+ /* FCF rediscovery event to worker thread */
+ phba->fcf.fcf_flag |= FCF_REDISC_EVT;
+ spin_unlock_irq(&phba->hbalock);
+ /* wake up worker thread */
+ lpfc_worker_wake_up(phba);
+}
+
+/**
* lpfc_sli4_fw_cfg_check - Read the firmware config and verify FCoE support
* @phba: pointer to lpfc hba data structure.
*
@@ -3020,17 +3110,26 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba
phba->fcoe_eventtag = acqe_fcoe->event_tag;
switch (event_type) {
case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
+ case LPFC_FCOE_EVENT_TYPE_FCF_PARAM_MOD:
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
"2546 New FCF found index 0x%x tag 0x%x\n",
acqe_fcoe->index,
acqe_fcoe->event_tag);
- /*
- * If the current FCF is in discovered state, or
- * FCF discovery is in progress do nothing.
- */
spin_lock_irq(&phba->hbalock);
- if ((phba->fcf.fcf_flag & FCF_DISCOVERED) ||
- (phba->hba_flag & FCF_DISC_INPROGRESS)) {
+ if ((phba->fcf.fcf_flag & FCF_SCAN_DONE) ||
+ (phba->hba_flag & FCF_DISC_INPROGRESS)) {
+ /*
+ * If the current FCF is in discovered state or
+ * FCF discovery is in progress, do nothing.
+ */
+ spin_unlock_irq(&phba->hbalock);
+ break;
+ }
+ if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
+ /*
+ * If fast FCF failover rescan event is pending,
+ * do nothing.
+ */
spin_unlock_irq(&phba->hbalock);
break;
}
@@ -3057,7 +3156,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba
" tag 0x%x\n", acqe_fcoe->index,
acqe_fcoe->event_tag);
/* If the event is not for currently used fcf do nothing */
- if (phba->fcf.fcf_indx != acqe_fcoe->index)
+ if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
break;
/*
* Currently, driver support only one FCF - so treat this as
@@ -3121,7 +3220,19 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba
ndlp->nlp_last_elscmd = ELS_CMD_FDISC;
vport->port_state = LPFC_FDISC;
} else {
- lpfc_retry_pport_discovery(phba);
+ /*
+ * Otherwise, we request port to rediscover
+ * the entire FCF table for a fast recovery
+ * from possible case that the current FCF
+ * is no longer valid.
+ */
+ rc = lpfc_sli4_redisc_fcf_table(phba);
+ if (rc)
+ /*
+ * Last resort will be re-try on the
+ * the current registered FCF entry.
+ */
+ lpfc_retry_pport_discovery(phba);
}
break;
default:
@@ -3198,6 +3309,34 @@ void lpfc_sli4_async_event_proc(struct l
}
/**
+ * lpfc_sli4_fcf_redisc_event_proc - Process fcf table rediscovery event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked by the worker thread to process FCF table
+ * rediscovery pending completion event.
+ **/
+void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
+{
+ int rc;
+
+ spin_lock_irq(&phba->hbalock);
+ /* Clear FCF rediscovery timeout event */
+ phba->fcf.fcf_flag &= ~FCF_REDISC_EVT;
+ /* Clear driver fast failover FCF record flag */
+ phba->fcf.failover_rec.flag = 0;
+ /* Set state for FCF fast failover */
+ phba->fcf.fcf_flag |= FCF_REDISC_FOV;
+ spin_unlock_irq(&phba->hbalock);
+
+ /* Scan FCF table from the first entry to re-discover SAN */
+ rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+ if (rc)
+ lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+ "2747 Post FCF rediscovery read FCF record "
+ "failed 0x%x\n", rc);
+}
+
+/**
* lpfc_api_table_setup - Set up per hba pci-device group func api jump table
* @phba: pointer to lpfc hba data structure.
* @dev_grp: The HBA PCI-Device group number.
@@ -3512,6 +3651,11 @@ lpfc_sli4_driver_resource_setup(struct l
init_timer(&phba->eratt_poll);
phba->eratt_poll.function = lpfc_poll_eratt;
phba->eratt_poll.data = (unsigned long) phba;
+ /* FCF rediscover timer */
+ init_timer(&phba->fcf.redisc_wait);
+ phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo;
+ phba->fcf.redisc_wait.data = (unsigned long)phba;
+
/*
* We need to do a READ_CONFIG mailbox command here before
* calling lpfc_get_cfgparam. For VFs this will report the
@@ -6039,7 +6183,7 @@ lpfc_sli4_fcfi_unreg(struct lpfc_hba *ph
spin_lock_irqsave(&phba->hbalock, flags);
/* Mark the FCFI is no longer registered */
phba->fcf.fcf_flag &=
- ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_DISCOVERED);
+ ~(FCF_AVAILABLE | FCF_REGISTERED | FCF_SCAN_DONE);
spin_unlock_irqrestore(&phba->hbalock, flags);
}
}
diff -upNr a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
--- a/drivers/scsi/lpfc/lpfc_mbox.c 2009-12-08 09:43:11.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_mbox.c 2010-02-12 10:52:43.000000000 -0500
@@ -1747,6 +1747,65 @@ lpfc_sli4_mbox_opcode_get(struct lpfc_hb
}
/**
+ * lpfc_sli4_mbx_read_fcf_record - Allocate and construct read fcf mbox cmd
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_index: index to fcf table.
+ *
+ * This routine routine allocates and constructs non-embedded mailbox command
+ * for reading a FCF table entry refered by @fcf_index.
+ *
+ * Return: pointer to the mailbox command constructed if successful, otherwise
+ * NULL.
+ **/
+int
+lpfc_sli4_mbx_read_fcf_record(struct lpfc_hba *phba,
+ struct lpfcMboxq *mboxq,
+ uint16_t fcf_index)
+{
+ void *virt_addr;
+ dma_addr_t phys_addr;
+ uint8_t *bytep;
+ struct lpfc_mbx_sge sge;
+ uint32_t alloc_len, req_len;
+ struct lpfc_mbx_read_fcf_tbl *read_fcf;
+
+ if (!mboxq)
+ return -ENOMEM;
+
+ req_len = sizeof(struct fcf_record) +
+ sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
+
+ /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
+ alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
+ LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
+ LPFC_SLI4_MBX_NEMBED);
+
+ if (alloc_len < req_len) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+ "0291 Allocated DMA memory size (x%x) is "
+ "less than the requested DMA memory "
+ "size (x%x)\n", alloc_len, req_len);
+ return -ENOMEM;
+ }
+
+ /* Get the first SGE entry from the non-embedded DMA memory. This
+ * routine only uses a single SGE.
+ */
+ lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
+ phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
+ virt_addr = mboxq->sge_array->addr[0];
+ read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
+
+ /* Set up command fields */
+ bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
+ /* Perform necessary endian conversion */
+ bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
+ lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
+
+ return 0;
+}
+
+/**
* lpfc_request_features: Configure SLI4 REQUEST_FEATURES mailbox
* @mboxq: pointer to lpfc mbox command.
*
@@ -1946,13 +2005,14 @@ lpfc_reg_fcfi(struct lpfc_hba *phba, str
bf_set(lpfc_reg_fcfi_rq_id1, reg_fcfi, REG_FCF_INVALID_QID);
bf_set(lpfc_reg_fcfi_rq_id2, reg_fcfi, REG_FCF_INVALID_QID);
bf_set(lpfc_reg_fcfi_rq_id3, reg_fcfi, REG_FCF_INVALID_QID);
- bf_set(lpfc_reg_fcfi_info_index, reg_fcfi, phba->fcf.fcf_indx);
+ bf_set(lpfc_reg_fcfi_info_index, reg_fcfi,
+ phba->fcf.current_rec.fcf_indx);
/* reg_fcf addr mode is bit wise inverted value of fcf addr_mode */
- bf_set(lpfc_reg_fcfi_mam, reg_fcfi,
- (~phba->fcf.addr_mode) & 0x3);
- if (phba->fcf.fcf_flag & FCF_VALID_VLAN) {
+ bf_set(lpfc_reg_fcfi_mam, reg_fcfi, (~phba->fcf.addr_mode) & 0x3);
+ if (phba->fcf.current_rec.vlan_id != 0xFFFF) {
bf_set(lpfc_reg_fcfi_vv, reg_fcfi, 1);
- bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi, phba->fcf.vlan_id);
+ bf_set(lpfc_reg_fcfi_vlan_tag, reg_fcfi,
+ phba->fcf.current_rec.vlan_id);
}
}
diff -upNr a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
--- a/drivers/scsi/lpfc/lpfc_sli4.h 2010-02-11 17:26:55.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_sli4.h 2010-02-12 10:52:43.000000000 -0500
@@ -22,6 +22,10 @@
#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32
#define LPFC_GET_QE_REL_INT 32
#define LPFC_RPI_LOW_WATER_MARK 10
+
+/* Amount of time in seconds for waiting FCF rediscovery to complete */
+#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
+
/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
#define LPFC_NEMBED_MBOX_SGL_CNT 254
@@ -129,22 +133,33 @@ struct lpfc_sli4_link {
uint16_t logical_speed;
};
-struct lpfc_fcf {
- uint8_t fabric_name[8];
- uint8_t switch_name[8];
+struct lpfc_fcf_rec {
+ uint8_t fabric_name[8];
+ uint8_t switch_name[8];
uint8_t mac_addr[6];
uint16_t fcf_indx;
+ uint32_t priority;
+ uint16_t vlan_id;
+ uint32_t addr_mode;
+ uint32_t flag;
+#define BOOT_ENABLE 0x01
+#define RECORD_VALID 0x02
+};
+
+struct lpfc_fcf {
uint16_t fcfi;
uint32_t fcf_flag;
#define FCF_AVAILABLE 0x01 /* FCF available for discovery */
#define FCF_REGISTERED 0x02 /* FCF registered with FW */
-#define FCF_DISCOVERED 0x04 /* FCF discovery started */
-#define FCF_BOOT_ENABLE 0x08 /* Boot bios use this FCF */
-#define FCF_IN_USE 0x10 /* Atleast one discovery completed */
-#define FCF_VALID_VLAN 0x20 /* Use the vlan id specified */
- uint32_t priority;
+#define FCF_SCAN_DONE 0x04 /* FCF table scan done */
+#define FCF_IN_USE 0x08 /* Atleast one discovery completed */
+#define FCF_REDISC_PEND 0x10 /* FCF rediscovery pending */
+#define FCF_REDISC_EVT 0x20 /* FCF rediscovery event to worker thread */
+#define FCF_REDISC_FOV 0x40 /* Post FCF rediscovery fast failover */
uint32_t addr_mode;
- uint16_t vlan_id;
+ struct lpfc_fcf_rec current_rec;
+ struct lpfc_fcf_rec failover_rec;
+ struct timer_list redisc_wait;
};
#define LPFC_REGION23_SIGNATURE "RG23"
@@ -407,6 +422,8 @@ void lpfc_sli4_mbox_cmd_free(struct lpfc
void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
struct lpfc_mbx_sge *);
+int lpfc_sli4_mbx_read_fcf_record(struct lpfc_hba *, struct lpfcMboxq *,
+ uint16_t);
void lpfc_sli4_hba_reset(struct lpfc_hba *);
struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
@@ -449,6 +466,7 @@ int lpfc_sli4_alloc_rpi(struct lpfc_hba
void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
void lpfc_sli4_remove_rpis(struct lpfc_hba *);
void lpfc_sli4_async_event_proc(struct lpfc_hba *);
+void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
diff -upNr a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
--- a/drivers/scsi/lpfc/lpfc_sli.c 2010-02-11 17:26:55.000000000 -0500
+++ b/drivers/scsi/lpfc/lpfc_sli.c 2010-02-12 10:52:43.000000000 -0500
@@ -11956,12 +11956,6 @@ lpfc_sli4_read_fcf_record(struct lpfc_hb
{
int rc = 0, error;
LPFC_MBOXQ_t *mboxq;
- void *virt_addr;
- dma_addr_t phys_addr;
- uint8_t *bytep;
- struct lpfc_mbx_sge sge;
- uint32_t alloc_len, req_len;
- struct lpfc_mbx_read_fcf_tbl *read_fcf;
phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag;
mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -11972,43 +11966,19 @@ lpfc_sli4_read_fcf_record(struct lpfc_hb
error = -ENOMEM;
goto fail_fcfscan;
}
-
- req_len = sizeof(struct fcf_record) +
- sizeof(union lpfc_sli4_cfg_shdr) + 2 * sizeof(uint32_t);
-
- /* Set up READ_FCF SLI4_CONFIG mailbox-ioctl command */
- alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
- LPFC_MBOX_OPCODE_FCOE_READ_FCF_TABLE, req_len,
- LPFC_SLI4_MBX_NEMBED);
-
- if (alloc_len < req_len) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
- "0291 Allocated DMA memory size (x%x) is "
- "less than the requested DMA memory "
- "size (x%x)\n", alloc_len, req_len);
- error = -ENOMEM;
+ /* Construct the read FCF record mailbox command */
+ rc = lpfc_sli4_mbx_read_fcf_record(phba, mboxq, fcf_index);
+ if (rc) {
+ error = -EINVAL;
goto fail_fcfscan;
}
-
- /* Get the first SGE entry from the non-embedded DMA memory. This
- * routine only uses a single SGE.
- */
- lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
- phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
- virt_addr = mboxq->sge_array->addr[0];
- read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
-
- /* Set up command fields */
- bf_set(lpfc_mbx_read_fcf_tbl_indx, &read_fcf->u.request, fcf_index);
- /* Perform necessary endian conversion */
- bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
- lpfc_sli_pcimem_bcopy(bytep, bytep, sizeof(uint32_t));
+ /* Issue the mailbox command asynchronously */
mboxq->vport = phba->pport;
mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_record;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED) {
+ if (rc == MBX_NOT_FINISHED)
error = -EIO;
- } else {
+ else {
spin_lock_irq(&phba->hbalock);
phba->hba_flag |= FCF_DISC_INPROGRESS;
spin_unlock_irq(&phba->hbalock);
@@ -12027,6 +11997,90 @@ fail_fcfscan:
}
/**
+ * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is the completion routine for the rediscover FCF table mailbox
+ * command. If the mailbox command returned failure, it will try to stop the
+ * FCF rediscover wait timer.
+ **/
+void
+lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
+{
+ struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
+ uint32_t shdr_status, shdr_add_status;
+
+ redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl;
+
+ shdr_status = bf_get(lpfc_mbox_hdr_status,
+ &redisc_fcf->header.cfg_shdr.response);
+ shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
+ &redisc_fcf->header.cfg_shdr.response);
+ if (shdr_status || shdr_add_status) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "2746 Requesting for FCF rediscovery failed "
+ "status x%x add_status x%x\n",
+ shdr_status, shdr_add_status);
+ /*
+ * Request failed, last resort to re-try current
+ * registered FCF entry
+ */
+ lpfc_retry_pport_discovery(phba);
+ } else
+ /*
+ * Start FCF rediscovery wait timer for pending FCF
+ * before rescan FCF record table.
+ */
+ lpfc_fcf_redisc_wait_start_timer(phba);
+
+ mempool_free(mbox, phba->mbox_mem_pool);
+}
+
+/**
+ * lpfc_sli4_redisc_all_fcf - Request to rediscover entire FCF table by port.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to request for rediscovery of the entire FCF table
+ * by the port.
+ **/
+int
+lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba)
+{
+ LPFC_MBOXQ_t *mbox;
+ struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
+ int rc, length;
+
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "2745 Failed to allocate mbox for "
+ "requesting FCF rediscover.\n");
+ return -ENOMEM;
+ }
+
+ length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) -
+ sizeof(struct lpfc_sli4_cfg_mhdr));
+ lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
+ LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF,
+ length, LPFC_SLI4_MBX_EMBED);
+
+ redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl;
+ /* Set count to 0 for invalidating the entire FCF database */
+ bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0);
+
+ /* Issue the mailbox command asynchronously */
+ mbox->vport = phba->pport;
+ mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table;
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
+
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free(mbox, phba->mbox_mem_pool);
+ return -EIO;
+ }
+ return 0;
+}
+
+/**
* lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
* @phba: pointer to lpfc hba data structure.
*
--
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