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path: root/drivers/scsi/lpfc/lpfc_sli.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c159
1 files changed, 56 insertions, 103 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8ab5babdeebc..01dfdc8696f8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -542,6 +542,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
*/
nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0;
+
if (pring->ringno == LPFC_ELS_RING) {
lpfc_debugfs_slow_ring_trc(phba,
"IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x",
@@ -1259,68 +1260,6 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
}
/**
- * lpfc_sli_replace_hbqbuff: Replace the HBQ buffer with a new buffer.
- * @phba: Pointer to HBA context object.
- * @tag: Tag for the HBQ buffer.
- *
- * This function is called from unsolicited event handler code path to get the
- * HBQ buffer associated with an unsolicited iocb. This function is called with
- * no lock held. It returns the buffer associated with the given tag and posts
- * another buffer to the firmware. Note that the new buffer must be allocated
- * before taking the hbalock and that the hba lock must be held until it is
- * finished with the hbq entry swap.
- **/
-static struct lpfc_dmabuf *
-lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
-{
- struct hbq_dmabuf *hbq_entry, *new_hbq_entry;
- uint32_t hbqno;
- void *virt; /* virtual address ptr */
- dma_addr_t phys; /* mapped address */
- unsigned long flags;
-
- hbqno = tag >> 16;
- new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
- /* Check whether HBQ is still in use */
- spin_lock_irqsave(&phba->hbalock, flags);
- if (!phba->hbq_in_use) {
- if (new_hbq_entry)
- (phba->hbqs[hbqno].hbq_free_buffer)(phba,
- new_hbq_entry);
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return NULL;
- }
-
- hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
- if (hbq_entry == NULL) {
- if (new_hbq_entry)
- (phba->hbqs[hbqno].hbq_free_buffer)(phba,
- new_hbq_entry);
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return NULL;
- }
- list_del(&hbq_entry->dbuf.list);
-
- if (new_hbq_entry == NULL) {
- list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
- spin_unlock_irqrestore(&phba->hbalock, flags);
- return &hbq_entry->dbuf;
- }
- new_hbq_entry->tag = -1;
- phys = new_hbq_entry->dbuf.phys;
- virt = new_hbq_entry->dbuf.virt;
- new_hbq_entry->dbuf.phys = hbq_entry->dbuf.phys;
- new_hbq_entry->dbuf.virt = hbq_entry->dbuf.virt;
- hbq_entry->dbuf.phys = phys;
- hbq_entry->dbuf.virt = virt;
- lpfc_sli_free_hbq(phba, hbq_entry);
- list_add_tail(&new_hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
- spin_unlock_irqrestore(&phba->hbalock, flags);
-
- return &new_hbq_entry->dbuf;
-}
-
-/**
* lpfc_sli_get_buff: Get the buffer associated with the buffer tag.
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
@@ -1334,13 +1273,17 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
**/
static struct lpfc_dmabuf *
lpfc_sli_get_buff(struct lpfc_hba *phba,
- struct lpfc_sli_ring *pring,
- uint32_t tag)
+ struct lpfc_sli_ring *pring,
+ uint32_t tag)
{
+ struct hbq_dmabuf *hbq_entry;
+
if (tag & QUE_BUFTAG_BIT)
return lpfc_sli_ring_taggedbuf_get(phba, pring, tag);
- else
- return lpfc_sli_replace_hbqbuff(phba, tag);
+ hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
+ if (!hbq_entry)
+ return NULL;
+ return &hbq_entry->dbuf;
}
@@ -1372,8 +1315,6 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
match = 0;
irsp = &(saveq->iocb);
- if (irsp->ulpStatus == IOSTAT_NEED_BUFFER)
- return 1;
if (irsp->ulpCommand == CMD_ASYNC_STATUS) {
if (pring->lpfc_sli_rcv_async_status)
pring->lpfc_sli_rcv_async_status(phba, pring, saveq);
@@ -1982,7 +1923,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
(irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) {
spin_unlock_irqrestore(&phba->hbalock, iflag);
- lpfc_adjust_queue_depth(phba);
+ lpfc_rampdown_queue_depth(phba);
spin_lock_irqsave(&phba->hbalock, iflag);
}
@@ -2225,7 +2166,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
(irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) {
spin_unlock_irqrestore(&phba->hbalock, iflag);
- lpfc_adjust_queue_depth(phba);
+ lpfc_rampdown_queue_depth(phba);
spin_lock_irqsave(&phba->hbalock, iflag);
}
@@ -2790,7 +2731,6 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba)
{
MAILBOX_t *mb;
struct lpfc_sli *psli;
- uint16_t skip_post;
volatile uint32_t word0;
void __iomem *to_slim;
@@ -2815,13 +2755,10 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba)
readl(to_slim); /* flush */
/* Only skip post after fc_ffinit is completed */
- if (phba->pport->port_state) {
- skip_post = 1;
+ if (phba->pport->port_state)
word0 = 1; /* This is really setting up word1 */
- } else {
- skip_post = 0;
+ else
word0 = 0; /* This is really setting up word1 */
- }
to_slim = phba->MBslimaddr + sizeof (uint32_t);
writel(*(uint32_t *) mb, to_slim);
readl(to_slim); /* flush */
@@ -2835,10 +2772,8 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba)
memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets));
psli->stats_start = get_seconds();
- if (skip_post)
- mdelay(100);
- else
- mdelay(2000);
+ /* Give the INITFF and Post time to settle. */
+ mdelay(100);
lpfc_hba_down_post(phba);
@@ -3084,7 +3019,6 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
spin_unlock_irq(&phba->hbalock);
phba->pport->port_state = LPFC_VPORT_UNKNOWN;
lpfc_sli_brdrestart(phba);
- msleep(2500);
rc = lpfc_sli_chipset_init(phba);
if (rc)
break;
@@ -3111,7 +3045,8 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED |
LPFC_SLI3_HBQ_ENABLED |
LPFC_SLI3_CRP_ENABLED |
- LPFC_SLI3_INB_ENABLED);
+ LPFC_SLI3_INB_ENABLED |
+ LPFC_SLI3_BG_ENABLED);
if (rc != MBX_SUCCESS) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0442 Adapter failed to init, mbxCmd x%x "
@@ -3144,17 +3079,29 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
phba->sli3_options |= LPFC_SLI3_CRP_ENABLED;
if (pmb->mb.un.varCfgPort.ginb) {
phba->sli3_options |= LPFC_SLI3_INB_ENABLED;
+ phba->hbq_get = phba->mbox->us.s3_inb_pgp.hbq_get;
phba->port_gp = phba->mbox->us.s3_inb_pgp.port;
phba->inb_ha_copy = &phba->mbox->us.s3_inb_pgp.ha_copy;
phba->inb_counter = &phba->mbox->us.s3_inb_pgp.counter;
phba->inb_last_counter =
phba->mbox->us.s3_inb_pgp.counter;
} else {
+ phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get;
phba->port_gp = phba->mbox->us.s3_pgp.port;
phba->inb_ha_copy = NULL;
phba->inb_counter = NULL;
}
+
+ if (phba->cfg_enable_bg) {
+ if (pmb->mb.un.varCfgPort.gbg)
+ phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
+ else
+ lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+ "0443 Adapter did not grant "
+ "BlockGuard\n");
+ }
} else {
+ phba->hbq_get = NULL;
phba->port_gp = phba->mbox->us.s2.port;
phba->inb_ha_copy = NULL;
phba->inb_counter = NULL;
@@ -3305,10 +3252,6 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
struct lpfc_sli *psli = &phba->sli;
struct lpfc_sli_ring *pring;
- if (!(phba->pport->work_port_events & WORKER_MBOX_TMO)) {
- return;
- }
-
/* Mbox cmd <mbxCommand> timeout */
lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
"0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
@@ -4005,7 +3948,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data), (char *) &temp_event_data,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
}
@@ -5184,6 +5127,10 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba)
{
uint32_t ha_copy;
+ /* If PCI channel is offline, don't process it */
+ if (unlikely(pci_channel_offline(phba->pcidev)))
+ return 0;
+
/* If somebody is waiting to handle an eratt, don't process it
* here. The brdkill function will do this.
*/
@@ -5242,6 +5189,7 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
uint32_t ha_copy;
uint32_t work_ha_copy;
unsigned long status;
+ unsigned long iflag;
uint32_t control;
MAILBOX_t *mbox, *pmbox;
@@ -5274,7 +5222,7 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
if (unlikely(phba->link_state < LPFC_LINK_DOWN))
return IRQ_NONE;
/* Need to read HA REG for slow-path events */
- spin_lock(&phba->hbalock);
+ spin_lock_irqsave(&phba->hbalock, iflag);
ha_copy = readl(phba->HAregaddr);
/* If somebody is waiting to handle an eratt don't process it
* here. The brdkill function will do this.
@@ -5294,7 +5242,7 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)),
phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
} else
ha_copy = phba->ha_copy;
@@ -5307,13 +5255,13 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
* Turn off Link Attention interrupts
* until CLEAR_LA done
*/
- spin_lock(&phba->hbalock);
+ spin_lock_irqsave(&phba->hbalock, iflag);
phba->sli.sli_flag &= ~LPFC_PROCESS_LA;
control = readl(phba->HCregaddr);
control &= ~HC_LAINT_ENA;
writel(control, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
}
else
work_ha_copy &= ~HA_LATT;
@@ -5328,7 +5276,7 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
(HA_RXMASK << (4*LPFC_ELS_RING)));
status >>= (4*LPFC_ELS_RING);
if (status & HA_RXMASK) {
- spin_lock(&phba->hbalock);
+ spin_lock_irqsave(&phba->hbalock, iflag);
control = readl(phba->HCregaddr);
lpfc_debugfs_slow_ring_trc(phba,
@@ -5357,10 +5305,10 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
(uint32_t)((unsigned long)
&phba->work_waitq));
}
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
}
}
- spin_lock(&phba->hbalock);
+ spin_lock_irqsave(&phba->hbalock, iflag);
if (work_ha_copy & HA_ERATT)
lpfc_sli_read_hs(phba);
if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) {
@@ -5372,7 +5320,7 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
/* First check out the status word */
lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t));
if (pmbox->mbxOwner != OWN_HOST) {
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
/*
* Stray Mailbox Interrupt, mbxCommand <cmd>
* mbxStatus <status>
@@ -5389,7 +5337,7 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
work_ha_copy &= ~HA_MBATT;
} else {
phba->sli.mbox_active = NULL;
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
phba->last_completion_time = jiffies;
del_timer(&phba->sli.mbox_tmo);
if (pmb->mbox_cmpl) {
@@ -5438,14 +5386,18 @@ lpfc_sp_intr_handler(int irq, void *dev_id)
goto send_current_mbox;
}
}
- spin_lock(&phba->pport->work_port_lock);
+ spin_lock_irqsave(
+ &phba->pport->work_port_lock,
+ iflag);
phba->pport->work_port_events &=
~WORKER_MBOX_TMO;
- spin_unlock(&phba->pport->work_port_lock);
+ spin_unlock_irqrestore(
+ &phba->pport->work_port_lock,
+ iflag);
lpfc_mbox_cmpl_put(phba, pmb);
}
} else
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
if ((work_ha_copy & HA_MBATT) &&
(phba->sli.mbox_active == NULL)) {
@@ -5461,9 +5413,9 @@ send_current_mbox:
"MBX_SUCCESS");
}
- spin_lock(&phba->hbalock);
+ spin_lock_irqsave(&phba->hbalock, iflag);
phba->work_ha |= work_ha_copy;
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
lpfc_worker_wake_up(phba);
}
return IRQ_HANDLED;
@@ -5495,6 +5447,7 @@ lpfc_fp_intr_handler(int irq, void *dev_id)
struct lpfc_hba *phba;
uint32_t ha_copy;
unsigned long status;
+ unsigned long iflag;
/* Get the driver's phba structure from the dev_id and
* assume the HBA is not interrupting.
@@ -5520,11 +5473,11 @@ lpfc_fp_intr_handler(int irq, void *dev_id)
/* Need to read HA REG for FCP ring and other ring events */
ha_copy = readl(phba->HAregaddr);
/* Clear up only attention source related to fast-path */
- spin_lock(&phba->hbalock);
+ spin_lock_irqsave(&phba->hbalock, iflag);
writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)),
phba->HAregaddr);
readl(phba->HAregaddr); /* flush */
- spin_unlock(&phba->hbalock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
} else
ha_copy = phba->ha_copy;