*******************************************************************/
#include <linux/blkdev.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/kthread.h>
#include <linux/interrupt.h>
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);
void
lpfc_port_link_failure(struct lpfc_vport *vport)
{
+ lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN);
+
/* Cleanup any outstanding received buffers */
lpfc_cleanup_rcv_buffers(vport);
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);
+ spin_unlock_irq(&phba->hbalock);
if (phba->link_state > LPFC_LINK_DOWN) {
phba->link_state = LPFC_LINK_DOWN;
+ spin_lock_irq(shost->host_lock);
phba->pport->fc_flag &= ~FC_LBIT;
+ spin_unlock_irq(shost->host_lock);
}
- spin_unlock_irq(&phba->hbalock);
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
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)
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;
}
/**
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
* 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.
/* 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)
* @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
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;
int
lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
{
- LPFC_MBOXQ_t *mbox;
- int rc;
/*
* If the Link is up and no FCoE events while in the
* FCF discovery, no need to restart FCF discovery.
(phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
return 0;
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2768 Pending link or FCF event during current "
+ "handling of the previous event: link_state:x%x, "
+ "evt_tag_at_scan:x%x, evt_tag_current:x%x\n",
+ phba->link_state, phba->fcoe_eventtag_at_fcf_scan,
+ phba->fcoe_eventtag);
+
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~FCF_AVAILABLE;
spin_unlock_irq(&phba->hbalock);
- if (phba->link_state >= LPFC_LINK_UP)
- lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
- else {
+ if (phba->link_state >= LPFC_LINK_UP) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2780 Restart FCF table scan due to "
+ "pending FCF event:evt_tag_at_scan:x%x, "
+ "evt_tag_current:x%x\n",
+ phba->fcoe_eventtag_at_fcf_scan,
+ phba->fcoe_eventtag);
+ lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
+ } else {
/*
* Do not continue FCF discovery and clear FCF_DISC_INPROGRESS
* flag
*/
spin_lock_irq(&phba->hbalock);
phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+ phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY);
spin_unlock_irq(&phba->hbalock);
}
+ /* Unregister the currently registered FCF if required */
if (unreg_fcf) {
spin_lock_irq(&phba->hbalock);
phba->fcf.fcf_flag &= ~FCF_REGISTERED;
spin_unlock_irq(&phba->hbalock);
- mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
- if (!mbox) {
- lpfc_printf_log(phba, KERN_ERR,
- LOG_DISCOVERY|LOG_MBOX,
- "2610 UNREG_FCFI mbox allocation failed\n");
- return 1;
- }
- 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,
- "2611 UNREG_FCFI issue mbox failed\n");
- mempool_free(mbox, phba->mbox_mem_pool);
- }
+ lpfc_sli4_unregister_fcf(phba);
}
-
return 1;
}
/**
- * lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox.
+ * lpfc_sli4_fcf_rec_mbox_parse - parse non-embedded fcf record mailbox command
* @phba: pointer to lpfc hba data structure.
* @mboxq: pointer to mailbox object.
+ * @next_fcf_index: pointer to holder of next fcf index.
*
- * This function iterate through all the fcf records available in
- * HBA and choose the optimal FCF record for discovery. After finding
- * the FCF for discovery it register the FCF record and kick start
- * discovery.
- * If FCF_IN_USE flag is set in currently used FCF, the routine try to
- * use a FCF record which match fabric name and mac address of the
- * currently used FCF record.
- * If the driver support only one FCF, it will try to use the FCF record
- * used by BOOT_BIOS.
+ * This routine parses the non-embedded fcf mailbox command by performing the
+ * necessarily error checking, non-embedded read FCF record mailbox command
+ * SGE parsing, and endianness swapping.
+ *
+ * Returns the pointer to the new FCF record in the non-embedded mailbox
+ * command DMA memory if successfully, other NULL.
*/
-void
-lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+static struct fcf_record *
+lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
+ uint16_t *next_fcf_index)
{
void *virt_addr;
dma_addr_t phys_addr;
- uint8_t *bytep;
struct lpfc_mbx_sge sge;
struct lpfc_mbx_read_fcf_tbl *read_fcf;
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;
- uint16_t vlan_id;
-
- /* If there is pending FCoE event restart FCF table scan */
- if (lpfc_check_pending_fcoe_event(phba, 0)) {
- lpfc_sli4_mbox_cmd_free(phba, mboxq);
- return;
- }
/* Get the first SGE entry from the non-embedded DMA memory. This
* routine only uses a single SGE.
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
"2524 Failed to get the non-embedded SGE "
"virtual address\n");
- goto out;
+ return NULL;
}
virt_addr = mboxq->sge_array->addr[0];
shdr = (union lpfc_sli4_cfg_shdr *)virt_addr;
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
- shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
- &shdr->response);
- /*
- * The FCF Record was read and there is no reason for the driver
- * to maintain the FCF record data or memory. Instead, just need
- * to book keeping the FCFIs can be used.
- */
+ shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
if (shdr_status || shdr_add_status) {
- if (shdr_status == STATUS_FCF_TABLE_EMPTY) {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ if (shdr_status == STATUS_FCF_TABLE_EMPTY)
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
"2726 READ_FCF_RECORD Indicates empty "
"FCF table.\n");
- } else {
- lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ else
+ lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
"2521 READ_FCF_RECORD mailbox failed "
- "with status x%x add_status x%x, mbx\n",
- shdr_status, shdr_add_status);
- }
- goto out;
+ "with status x%x add_status x%x, "
+ "mbx\n", shdr_status, shdr_add_status);
+ return NULL;
}
- /* Interpreting the returned information of FCF records */
+
+ /* Interpreting the returned information of the FCF record */
read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
lpfc_sli_pcimem_bcopy(read_fcf, read_fcf,
sizeof(struct lpfc_mbx_read_fcf_tbl));
- next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
-
+ *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
new_fcf_record = (struct fcf_record *)(virt_addr +
sizeof(struct lpfc_mbx_read_fcf_tbl));
lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
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);
+ return new_fcf_record;
+}
+
+/**
+ * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_record: pointer to the fcf record.
+ * @vlan_id: the lowest vlan identifier associated to this fcf record.
+ * @next_fcf_index: the index to the next fcf record in hba's fcf table.
+ *
+ * This routine logs the detailed FCF record if the LOG_FIP loggin is
+ * enabled.
+ **/
+static void
+lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba,
+ struct fcf_record *fcf_record,
+ uint16_t vlan_id,
+ uint16_t next_fcf_index)
+{
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2764 READ_FCF_RECORD:\n"
+ "\tFCF_Index : x%x\n"
+ "\tFCF_Avail : x%x\n"
+ "\tFCF_Valid : x%x\n"
+ "\tFIP_Priority : x%x\n"
+ "\tMAC_Provider : x%x\n"
+ "\tLowest VLANID : x%x\n"
+ "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n"
+ "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
+ "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
+ "\tNext_FCF_Index: x%x\n",
+ bf_get(lpfc_fcf_record_fcf_index, fcf_record),
+ bf_get(lpfc_fcf_record_fcf_avail, fcf_record),
+ bf_get(lpfc_fcf_record_fcf_valid, fcf_record),
+ fcf_record->fip_priority,
+ bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record),
+ vlan_id,
+ bf_get(lpfc_fcf_record_mac_0, fcf_record),
+ bf_get(lpfc_fcf_record_mac_1, fcf_record),
+ bf_get(lpfc_fcf_record_mac_2, fcf_record),
+ bf_get(lpfc_fcf_record_mac_3, fcf_record),
+ bf_get(lpfc_fcf_record_mac_4, fcf_record),
+ bf_get(lpfc_fcf_record_mac_5, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_0, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_1, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_2, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_3, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_4, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_5, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_6, fcf_record),
+ bf_get(lpfc_fcf_record_fab_name_7, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_0, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_1, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_2, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_3, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_4, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_5, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_6, fcf_record),
+ bf_get(lpfc_fcf_record_switch_name_7, fcf_record),
+ next_fcf_index);
+}
+
+/**
+ * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler.
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This function iterates through all the fcf records available in
+ * HBA and chooses the optimal FCF record for discovery. After finding
+ * the FCF for discovery it registers the FCF record and kicks start
+ * discovery.
+ * If FCF_IN_USE flag is set in currently used FCF, the routine tries to
+ * use an FCF record which matches fabric name and mac address of the
+ * currently used FCF record.
+ * If the driver supports only one FCF, it will try to use the FCF record
+ * used by BOOT_BIOS.
+ */
+void
+lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ struct fcf_record *new_fcf_record;
+ uint32_t boot_flag, addr_mode;
+ uint16_t fcf_index, next_fcf_index;
+ struct lpfc_fcf_rec *fcf_rec = NULL;
+ uint16_t vlan_id;
+ int rc;
+
+ /* If there is pending FCoE event restart FCF table scan */
+ if (lpfc_check_pending_fcoe_event(phba, 0)) {
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return;
+ }
+
+ /* Parse the FCF record from the non-embedded mailbox command */
+ new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+ &next_fcf_index);
+ if (!new_fcf_record) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2765 Mailbox command READ_FCF_RECORD "
+ "failed to retrieve a FCF record.\n");
+ /* Let next new FCF event trigger fast failover */
+ spin_lock_irq(&phba->hbalock);
+ phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+ spin_unlock_irq(&phba->hbalock);
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return;
+ }
+
+ /* Check the FCF record against the connection list */
+ rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+ &addr_mode, &vlan_id);
+
+ /* Log the FCF record information if turned on */
+ lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+ next_fcf_index);
+
/*
* If the fcf record does not match with connect list entries
- * read the next entry.
+ * read the next entry; otherwise, this is an eligible FCF
+ * record for round robin FCF failover.
*/
- if (!rc)
+ if (!rc) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2781 FCF record fcf_index:x%x failed FCF "
+ "connection list check, fcf_avail:x%x, "
+ "fcf_valid:x%x\n",
+ bf_get(lpfc_fcf_record_fcf_index,
+ new_fcf_record),
+ bf_get(lpfc_fcf_record_fcf_avail,
+ new_fcf_record),
+ bf_get(lpfc_fcf_record_fcf_valid,
+ new_fcf_record));
goto read_next_fcf;
+ } else {
+ fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+ rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index);
+ if (rc)
+ 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_irq(&phba->hbalock);
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.switch_name,
+ lpfc_sw_name_match(phba->fcf.current_rec.switch_name,
new_fcf_record) &&
- lpfc_mac_addr_match(phba, new_fcf_record)) {
+ lpfc_mac_addr_match(phba->fcf.current_rec.mac_addr,
+ 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 |
+ FCF_DISCOVERY);
+ spin_unlock_irq(&phba->hbalock);
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_irq(&phba->hbalock);
+ 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)
+ fcf_rec = &phba->fcf.failover_rec;
+ 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_irq(&phba->hbalock);
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_irq(&phba->hbalock);
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 (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_irq(&phba->hbalock);
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_irq(&phba->hbalock);
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
- lpfc_sli4_read_fcf_record(phba, next_fcf_index);
+ 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)) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2782 No suitable FCF record "
+ "found during this round of "
+ "post FCF rediscovery scan: "
+ "fcf_evt_tag:x%x, fcf_index: "
+ "x%x\n",
+ phba->fcoe_eventtag_at_fcf_scan,
+ bf_get(lpfc_fcf_record_fcf_index,
+ new_fcf_record));
+ /*
+ * Let next new FCF event trigger fast
+ * failover
+ */
+ spin_lock_irq(&phba->hbalock);
+ phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+ spin_unlock_irq(&phba->hbalock);
+ 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_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * Set up the initial registered FCF index for FLOGI
+ * round robin FCF failover.
+ */
+ phba->fcf.fcf_rr_init_indx =
+ phba->fcf.failover_rec.fcf_indx;
+ /* 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 FCF record found so far
+ * through the FCF scanning process.
+ */
+
+ /* mark the initial FCF discovery completed */
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ /*
+ * Set up the initial registered FCF index for FLOGI
+ * round robin FCF failover
+ */
+ phba->fcf.fcf_rr_init_indx =
+ phba->fcf.current_rec.fcf_indx;
+ /* Register to the new FCF record */
+ lpfc_register_fcf(phba);
+ }
+ } else
+ lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index);
return;
out:
return;
}
+/**
+ * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This is the callback function for FLOGI failure round robin FCF failover
+ * read FCF record mailbox command from the eligible FCF record bmask for
+ * performing the failover. If the FCF read back is not valid/available, it
+ * fails through to retrying FLOGI to the currently registered FCF again.
+ * Otherwise, if the FCF read back is valid and available, it will set the
+ * newly read FCF record to the failover FCF record, unregister currently
+ * registered FCF record, copy the failover FCF record to the current
+ * FCF record, and then register the current FCF record before proceeding
+ * to trying FLOGI on the new failover FCF.
+ */
+void
+lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ struct fcf_record *new_fcf_record;
+ uint32_t boot_flag, addr_mode;
+ uint16_t next_fcf_index;
+ uint16_t current_fcf_index;
+ uint16_t vlan_id;
+
+ /* If link state is not up, stop the round robin failover process */
+ if (phba->link_state < LPFC_LINK_UP) {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+ spin_unlock_irq(&phba->hbalock);
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ return;
+ }
+
+ /* Parse the FCF record from the non-embedded mailbox command */
+ new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+ &next_fcf_index);
+ if (!new_fcf_record) {
+ lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+ "2766 Mailbox command READ_FCF_RECORD "
+ "failed to retrieve a FCF record.\n");
+ goto out;
+ }
+
+ /* Get the needed parameters from FCF record */
+ lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+ &addr_mode, &vlan_id);
+
+ /* Log the FCF record information if turned on */
+ lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+ next_fcf_index);
+
+ /* Upload new FCF record to the failover FCF record */
+ spin_lock_irq(&phba->hbalock);
+ __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec,
+ new_fcf_record, addr_mode, vlan_id,
+ (boot_flag ? BOOT_ENABLE : 0));
+ spin_unlock_irq(&phba->hbalock);
+
+ current_fcf_index = phba->fcf.current_rec.fcf_indx;
+
+ /* 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));
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2783 FLOGI round robin FCF failover from FCF "
+ "(index:x%x) to FCF (index:x%x).\n",
+ current_fcf_index,
+ bf_get(lpfc_fcf_record_fcf_index, new_fcf_record));
+
+out:
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+ lpfc_register_fcf(phba);
+}
+
+/**
+ * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler.
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This is the callback function of read FCF record mailbox command for
+ * updating the eligible FCF bmask for FLOGI failure round robin FCF
+ * failover when a new FCF event happened. If the FCF read back is
+ * valid/available and it passes the connection list check, it updates
+ * the bmask for the eligible FCF record for round robin failover.
+ */
+void
+lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ struct fcf_record *new_fcf_record;
+ uint32_t boot_flag, addr_mode;
+ uint16_t fcf_index, next_fcf_index;
+ uint16_t vlan_id;
+ int rc;
+
+ /* If link state is not up, no need to proceed */
+ if (phba->link_state < LPFC_LINK_UP)
+ goto out;
+
+ /* If FCF discovery period is over, no need to proceed */
+ if (phba->fcf.fcf_flag & FCF_DISCOVERY)
+ goto out;
+
+ /* Parse the FCF record from the non-embedded mailbox command */
+ new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+ &next_fcf_index);
+ if (!new_fcf_record) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+ "2767 Mailbox command READ_FCF_RECORD "
+ "failed to retrieve a FCF record.\n");
+ goto out;
+ }
+
+ /* Check the connection list for eligibility */
+ rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+ &addr_mode, &vlan_id);
+
+ /* Log the FCF record information if turned on */
+ lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+ next_fcf_index);
+
+ if (!rc)
+ goto out;
+
+ /* Update the eligible FCF record index bmask */
+ fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+ rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index);
+
+out:
+ lpfc_sli4_mbox_cmd_free(phba, mboxq);
+}
+
/**
* lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command.
* @phba: pointer to lpfc hba data structure.
*
* This function handles completion of init vpi mailbox command.
*/
-static void
+void
lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
{
struct lpfc_vport *vport = mboxq->vport;
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR,
LOG_MBOX,
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
return;
}
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(shost->host_lock);
+
+ /* If this port is physical port or FDISC is done, do reg_vpi */
+ if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) {
+ ndlp = lpfc_findnode_did(vport, Fabric_DID);
+ if (!ndlp)
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_DISCOVERY,
+ "2731 Cannot find fabric "
+ "controller node\n");
+ else
+ lpfc_register_new_vport(phba, vport, ndlp);
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ return;
+ }
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
lpfc_initial_fdisc(vport);
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"2606 No NPIV Fabric support\n");
}
+ mempool_free(mboxq, phba->mbox_mem_pool);
return;
}
+/**
+ * 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.
{
struct lpfc_vport **vports;
int i;
- LPFC_MBOXQ_t *mboxq;
- int rc;
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL) {
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)
{
struct lpfc_dmabuf *dmabuf = mboxq->context1;
struct lpfc_vport *vport = mboxq->vport;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
if (mboxq->u.mb.mbxStatus) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
goto fail_free_mem;
}
/* The VPI is implicitly registered when the VFI is registered */
+ spin_lock_irq(shost->host_lock);
vport->vpi_state |= LPFC_VPI_REGISTERED;
+ vport->fc_flag |= FC_VFI_REGISTERED;
+ vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
+ spin_unlock_irq(shost->host_lock);
if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
lpfc_start_fdiscs(phba);
int rc;
struct fcf_record *fcf_record;
- sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
-
spin_lock_irq(&phba->hbalock);
switch (la->UlnkSpeed) {
case LA_1GHZ_LINK:
spin_unlock_irq(&phba->hbalock);
lpfc_linkup(phba);
- if (sparam_mbox) {
- lpfc_read_sparam(phba, sparam_mbox, 0);
- sparam_mbox->vport = vport;
- sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
- rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
- if (rc == MBX_NOT_FINISHED) {
- mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
- lpfc_mbuf_free(phba, mp->virt, mp->phys);
- kfree(mp);
- mempool_free(sparam_mbox, phba->mbox_mem_pool);
- goto out;
- }
+ sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!sparam_mbox)
+ goto out;
+
+ rc = lpfc_read_sparam(phba, sparam_mbox, 0);
+ if (rc) {
+ mempool_free(sparam_mbox, phba->mbox_mem_pool);
+ goto out;
+ }
+ sparam_mbox->vport = vport;
+ sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
+ rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free(sparam_mbox, phba->mbox_mem_pool);
+ goto out;
}
if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) {
spin_unlock_irq(&phba->hbalock);
return;
}
+ /* This is the initial FCF discovery scan */
+ phba->fcf.fcf_flag |= FCF_INIT_DISC;
spin_unlock_irq(&phba->hbalock);
- rc = lpfc_sli4_read_fcf_record(phba,
- LPFC_FCOE_FCF_GET_FIRST);
- if (rc)
+ lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+ "2778 Start FCF table scan at linkup\n");
+
+ rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
+ LPFC_FCOE_FCF_GET_FIRST);
+ if (rc) {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
goto out;
+ }
}
return;
}
phba->fc_eventTag = la->eventTag;
+ spin_lock_irq(&phba->hbalock);
if (la->mm)
phba->sli.sli_flag |= LPFC_MENLO_MAINT;
else
phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
+ spin_unlock_irq(&phba->hbalock);
phba->link_events++;
if (la->attType == AT_LINK_UP && (!la->mm)) {
mb->mbxStatus);
break;
}
- spin_lock_irq(&phba->hbalock);
+ spin_lock_irq(shost->host_lock);
vport->vpi_state &= ~LPFC_VPI_REGISTERED;
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(shost->host_lock);
vport->unreg_vpi_cmpl = VPORT_OK;
mempool_free(pmb, phba->mbox_mem_pool);
/*
goto out;
}
+ spin_lock_irq(shost->host_lock);
vport->vpi_state |= LPFC_VPI_REGISTERED;
+ vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
+ spin_unlock_irq(shost->host_lock);
vport->num_disc_nodes = 0;
/* go thru NPR list and issue ELS PLOGIs */
if (vport->fc_npr_cnt)
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) {
+ /* The mempool_alloc might sleep */
+ spin_unlock_irq(shost->host_lock);
+ lpfc_unreg_rpi(vports[i], ndlp);
+ spin_lock_irq(shost->host_lock);
+ }
+ }
+ spin_unlock_irq(shost->host_lock);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
+}
+
void
lpfc_unreg_all_rpis(struct lpfc_vport *vport)
{
}
/**
- * 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;
-
- 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);
+ struct lpfc_nodelist *ndlp;
+ struct Scsi_Host *shost;
+ int i, rc;
+ /* 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);
+ if (ndlp)
+ lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
lpfc_mbx_unreg_vpi(vports[i]);
- spin_lock_irq(&phba->hbalock);
+ shost = lpfc_shost_from_vport(vports[i]);
+ spin_lock_irq(shost->host_lock);
vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(shost->host_lock);
}
lpfc_destroy_vport_work_array(phba, vports);
+ /* Cleanup any outstanding ELS commands */
+ lpfc_els_flush_all_cmd(phba);
+
/* Unregister VFI */
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);
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;
}
- /* Unregister FCF */
+ shost = lpfc_shost_from_vport(phba->pport);
+ spin_lock_irq(shost->host_lock);
+ phba->pport->fc_flag &= ~FC_VFI_REGISTERED;
+ spin_unlock_irq(shost->host_lock);
+
+ 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;
+ phba->fcf.current_rec.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);
+ /* This is considered as the initial FCF discovery scan */
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag |= FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
+ rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
- if (rc)
+ if (rc) {
+ spin_lock_irq(&phba->hbalock);
+ phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+ spin_unlock_irq(&phba->hbalock);
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);
}
/**
projects / mv-sheeva.git / blobdiff