LPFC_ABORT_IOCB
} lpfc_iocb_type;
+struct lpfc_iocbq *
+lpfc_sli_get_iocbq(struct lpfc_hba * phba)
+{
+ struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
+ struct lpfc_iocbq * iocbq = NULL;
+
+ list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list);
+ return iocbq;
+}
+
void
lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq)
{
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);
struct lpfc_iocbq *next_iocb;
struct lpfc_iocbq *cmdiocbp;
struct lpfc_iocbq *saveq;
- struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
uint8_t iocb_cmd_type;
lpfc_iocb_type type;
}
rmb();
- lpfc_iocb_list = &phba->lpfc_iocb_list;
while (pring->rspidx != portRspPut) {
/*
* Build a completion list and call the appropriate handler.
* received.
*/
entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
- list_remove_head(lpfc_iocb_list, rspiocbp, struct lpfc_iocbq,
- list);
+ rspiocbp = lpfc_sli_get_iocbq(phba);
if (rspiocbp == NULL) {
printk(KERN_ERR "%s: out of buffers! Failing "
"completion.\n", __FUNCTION__);
!(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);
struct lpfc_sli_ring * pring,
struct lpfc_iocbq * cmdiocb)
{
- struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
- struct lpfc_iocbq *abtsiocbp = NULL;
+ struct lpfc_iocbq *abtsiocbp;
IOCB_t *icmd = NULL;
IOCB_t *iabt = NULL;
/* issue ABTS for this IOCB based on iotag */
- list_remove_head(lpfc_iocb_list, abtsiocbp, struct lpfc_iocbq, list);
+ abtsiocbp = lpfc_sli_get_iocbq(phba);
if (abtsiocbp == NULL)
return 0;
}
static int
-lpfc_sli_validate_iocb_cmd(struct lpfc_scsi_buf *lpfc_cmd, uint16_t tgt_id,
- uint64_t lun_id, struct lpfc_iocbq *iocb,
- uint32_t ctx, lpfc_ctx_cmd ctx_cmd)
+lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, uint16_t tgt_id,
+ uint64_t lun_id, uint32_t ctx,
+ lpfc_ctx_cmd ctx_cmd)
{
+ struct lpfc_scsi_buf *lpfc_cmd;
+ struct scsi_cmnd *cmnd;
int rc = 1;
- if (lpfc_cmd == NULL)
+ if (!(iocbq->iocb_flag & LPFC_IO_FCP))
+ return rc;
+
+ lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
+ cmnd = lpfc_cmd->pCmd;
+
+ if (cmnd == NULL)
return rc;
switch (ctx_cmd) {
case LPFC_CTX_LUN:
- if ((lpfc_cmd->pCmd->device->id == tgt_id) &&
- (lpfc_cmd->pCmd->device->lun == lun_id))
+ if ((cmnd->device->id == tgt_id) &&
+ (cmnd->device->lun == lun_id))
rc = 0;
break;
case LPFC_CTX_TGT:
- if (lpfc_cmd->pCmd->device->id == tgt_id)
+ if (cmnd->device->id == tgt_id)
rc = 0;
break;
case LPFC_CTX_CTX:
- if (iocb->iocb.ulpContext == ctx)
+ if (iocbq->iocb.ulpContext == ctx)
rc = 0;
+ break;
case LPFC_CTX_HOST:
rc = 0;
break;
lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd)
{
- struct lpfc_iocbq *iocb, *next_iocb;
- IOCB_t *cmd = NULL;
- struct lpfc_scsi_buf *lpfc_cmd;
- int sum = 0, ret_val = 0;
+ struct lpfc_iocbq *iocbq;
+ int sum, i;
- /* Next check the txcmplq */
- list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
- cmd = &iocb->iocb;
+ for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) {
+ iocbq = phba->sli.iocbq_lookup[i];
- /* Must be a FCP command */
- if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) {
- continue;
- }
-
- /* context1 MUST be a struct lpfc_scsi_buf */
- lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1);
- ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id,
- NULL, 0, ctx_cmd);
- if (ret_val != 0)
- continue;
- sum++;
+ if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id,
+ 0, ctx_cmd) == 0)
+ sum++;
}
+
return sum;
}
uint16_t tgt_id, uint64_t lun_id, uint32_t ctx,
lpfc_ctx_cmd abort_cmd)
{
- struct lpfc_iocbq *iocb, *next_iocb;
- struct lpfc_iocbq *abtsiocb = NULL;
- struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
+ struct lpfc_iocbq *iocbq;
+ struct lpfc_iocbq *abtsiocb;
IOCB_t *cmd = NULL;
- struct lpfc_scsi_buf *lpfc_cmd;
int errcnt = 0, ret_val = 0;
+ int i;
- list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
- cmd = &iocb->iocb;
-
- /* Must be a FCP command */
- if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) {
- continue;
- }
+ for (i = 1; i <= phba->sli.last_iotag; i++) {
+ iocbq = phba->sli.iocbq_lookup[i];
- /* context1 MUST be a struct lpfc_scsi_buf */
- lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1);
- ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id,
- iocb, ctx, abort_cmd);
- if (ret_val != 0)
+ if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id,
+ 0, abort_cmd) != 0)
continue;
/* issue ABTS for this IOCB based on iotag */
- list_remove_head(lpfc_iocb_list, abtsiocb, struct lpfc_iocbq,
- list);
+ abtsiocb = lpfc_sli_get_iocbq(phba);
if (abtsiocb == NULL) {
errcnt++;
continue;
}
+ cmd = &iocbq->iocb;
abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS;
abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext;
abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag;
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;
projects / linux-2.6-omap-h63xx.git / blobdiff