return rc;
}
+static void lpfc_sli_rsp_pointers_error(struct lpfc_hba * phba,
+ struct lpfc_sli_ring * pring)
+{
+ struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
+ /*
+ * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
+ * rsp ring <portRspMax>
+ */
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "%d:0312 Ring %d handler: portRspPut %d "
+ "is bigger then rsp ring %d\n",
+ phba->brd_no, pring->ringno,
+ le32_to_cpu(pgp->rspPutInx),
+ pring->numRiocb);
+
+ phba->hba_state = LPFC_HBA_ERROR;
+
+ /*
+ * All error attention handlers are posted to
+ * worker thread
+ */
+ phba->work_ha |= HA_ERATT;
+ phba->work_hs = HS_FFER3;
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+
+ return;
+}
+
+void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba)
+{
+ struct lpfc_sli * psli = &phba->sli;
+ struct lpfc_sli_ring * pring = &psli->ring[LPFC_FCP_RING];
+ IOCB_t *irsp = NULL;
+ IOCB_t *entry = NULL;
+ struct lpfc_iocbq *cmdiocbq = NULL;
+ struct lpfc_iocbq rspiocbq;
+ struct lpfc_pgp *pgp;
+ uint32_t status;
+ uint32_t portRspPut, portRspMax;
+ int type;
+ uint32_t rsp_cmpl = 0;
+ void __iomem *to_slim;
+ uint32_t ha_copy;
+
+ pring->stats.iocb_event++;
+
+ /* The driver assumes SLI-2 mode */
+ pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
+
+ /*
+ * The next available response entry should never exceed the maximum
+ * entries. If it does, treat it as an adapter hardware error.
+ */
+ portRspMax = pring->numRiocb;
+ portRspPut = le32_to_cpu(pgp->rspPutInx);
+ if (unlikely(portRspPut >= portRspMax)) {
+ lpfc_sli_rsp_pointers_error(phba, pring);
+ return;
+ }
+
+ rmb();
+ while (pring->rspidx != portRspPut) {
+
+ entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+
+ if (++pring->rspidx >= portRspMax)
+ pring->rspidx = 0;
+
+ lpfc_sli_pcimem_bcopy((uint32_t *) entry,
+ (uint32_t *) &rspiocbq.iocb,
+ sizeof (IOCB_t));
+ irsp = &rspiocbq.iocb;
+ type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
+ pring->stats.iocb_rsp++;
+ rsp_cmpl++;
+
+ if (unlikely(irsp->ulpStatus)) {
+ /* Rsp ring <ringno> error: IOCB */
+ lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+ "%d:0326 Rsp Ring %d error: IOCB Data: "
+ "x%x x%x x%x x%x x%x x%x x%x x%x\n",
+ phba->brd_no, pring->ringno,
+ irsp->un.ulpWord[0],
+ irsp->un.ulpWord[1],
+ irsp->un.ulpWord[2],
+ irsp->un.ulpWord[3],
+ irsp->un.ulpWord[4],
+ irsp->un.ulpWord[5],
+ *(((uint32_t *) irsp) + 6),
+ *(((uint32_t *) irsp) + 7));
+ }
+
+ switch (type) {
+ case LPFC_ABORT_IOCB:
+ case LPFC_SOL_IOCB:
+ /*
+ * Idle exchange closed via ABTS from port. No iocb
+ * resources need to be recovered.
+ */
+ if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
+ printk(KERN_INFO "%s: IOCB cmd 0x%x processed."
+ " Skipping completion\n", __FUNCTION__,
+ irsp->ulpCommand);
+ break;
+ }
+
+ cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
+ &rspiocbq);
+ if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
+ (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
+ &rspiocbq);
+ }
+ break;
+ default:
+ if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
+ char adaptermsg[LPFC_MAX_ADPTMSG];
+ memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
+ memcpy(&adaptermsg[0], (uint8_t *) irsp,
+ MAX_MSG_DATA);
+ dev_warn(&((phba->pcidev)->dev), "lpfc%d: %s",
+ phba->brd_no, adaptermsg);
+ } else {
+ /* Unknown IOCB command */
+ lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+ "%d:0321 Unknown IOCB command "
+ "Data: x%x, x%x x%x x%x x%x\n",
+ phba->brd_no, type,
+ irsp->ulpCommand,
+ irsp->ulpStatus,
+ irsp->ulpIoTag,
+ irsp->ulpContext);
+ }
+ break;
+ }
+
+ /*
+ * The response IOCB has been processed. Update the ring
+ * pointer in SLIM. If the port response put pointer has not
+ * been updated, sync the pgp->rspPutInx and fetch the new port
+ * response put pointer.
+ */
+ to_slim = phba->MBslimaddr +
+ (SLIMOFF + (pring->ringno * 2) + 1) * 4;
+ writeb(pring->rspidx, to_slim);
+
+ if (pring->rspidx == portRspPut)
+ portRspPut = le32_to_cpu(pgp->rspPutInx);
+ }
+
+ ha_copy = readl(phba->HAregaddr);
+ ha_copy >>= (LPFC_FCP_RING * 4);
+
+ if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) {
+ pring->stats.iocb_rsp_full++;
+ status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4));
+ writel(status, phba->CAregaddr);
+ readl(phba->CAregaddr);
+ }
+ if ((ha_copy & HA_R0CE_RSP) &&
+ (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
+ pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
+ pring->stats.iocb_cmd_empty++;
+
+ /* Force update of the local copy of cmdGetInx */
+ pring->local_getidx = le32_to_cpu(pgp->cmdGetInx);
+ lpfc_sli_resume_iocb(phba, pring);
+
+ if ((pring->lpfc_sli_cmd_available))
+ (pring->lpfc_sli_cmd_available) (phba, pring);
+
+ }
+
+ return;
+}
+
/*
* This routine presumes LPFC_FCP_RING handling and doesn't bother
* to check it explicitly.
portRspMax = pring->numRiocb;
portRspPut = le32_to_cpu(pgp->rspPutInx);
if (unlikely(portRspPut >= portRspMax)) {
- /*
- * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
- * rsp ring <portRspMax>
- */
- lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
- "%d:0312 Ring %d handler: portRspPut %d "
- "is bigger then rsp ring %d\n",
- phba->brd_no, pring->ringno, portRspPut,
- portRspMax);
-
- phba->hba_state = LPFC_HBA_ERROR;
-
- /* All error attention handlers are posted to worker thread */
- phba->work_ha |= HA_ERATT;
- phba->work_hs = HS_FFER3;
- if (phba->work_wait)
- wake_up(phba->work_wait);
-
+ lpfc_sli_rsp_pointers_error(phba, pring);
spin_unlock_irqrestore(phba->host->host_lock, iflag);
return 1;
}
* network byte order and pci byte orders are different.
*/
entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
+
+ if (++pring->rspidx >= portRspMax)
+ pring->rspidx = 0;
+
lpfc_sli_pcimem_bcopy((uint32_t *) entry,
(uint32_t *) &rspiocbq.iocb,
sizeof (IOCB_t));
* been updated, sync the pgp->rspPutInx and fetch the new port
* response put pointer.
*/
- if (++pring->rspidx >= portRspMax)
- pring->rspidx = 0;
-
to_slim = phba->MBslimaddr +
(SLIMOFF + (pring->ringno * 2) + 1) * 4;
writel(pring->rspidx, to_slim);
!(phba->sli.sli_flag & LPFC_PROCESS_LA)))
goto iocb_busy;
- /*
- * Check to see if this is a high priority command.
- * If so bypass tx queue processing.
- */
- if (unlikely((flag & SLI_IOCB_HIGH_PRIORITY) &&
- (iocb = lpfc_sli_next_iocb_slot(phba, pring)))) {
- lpfc_sli_submit_iocb(phba, pring, iocb, piocb);
- piocb = NULL;
- }
-
while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
(nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb)))
lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb);
INIT_LIST_HEAD(&(pring->txq));
- if (pring->fast_lookup) {
- kfree(pring->fast_lookup);
- pring->fast_lookup = NULL;
- }
-
+ kfree(pring->fast_lookup);
+ pring->fast_lookup = NULL;
}
spin_unlock_irqrestore(phba->host->host_lock, flags);
DECLARE_WAIT_QUEUE_HEAD(done_q);
long timeleft, timeout_req = 0;
int retval = IOCB_SUCCESS;
+ uint32_t creg_val;
/*
* If the caller has provided a response iocbq buffer, then context2
piocb->context_un.wait_queue = &done_q;
piocb->iocb_flag &= ~LPFC_IO_WAKE;
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
+ creg_val = readl(phba->HCregaddr);
+ creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ }
+
retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0);
if (retval == IOCB_SUCCESS) {
timeout_req = timeout * HZ;
retval = IOCB_ERROR;
}
+ if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
+ creg_val = readl(phba->HCregaddr);
+ creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+ writel(creg_val, phba->HCregaddr);
+ readl(phba->HCregaddr); /* flush */
+ }
+
if (prspiocbq)
piocb->context2 = NULL;
pmboxq->context1 = NULL;
/* if schedule_timeout returns 0, we timed out and were not
woken up */
- if (timeleft == 0) {
+ if ((timeleft == 0) || signal_pending(current))
retval = MBX_TIMEOUT;
- } else {
+ else
retval = MBX_SUCCESS;
- }
}
* to shutdown interrupt when there is a
* ERROR.
*/
- lpfc_sli_send_reset(phba, phba->hba_state);
+ lpfc_sli_send_reset(phba, 1);
}
spin_lock(phba->host->host_lock);
projects / linux-2.6-omap-h63xx.git / blobdiff