struct Scsi_Host *shost = class_to_shost(dev);
struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
struct lpfc_hba *phba = vport->phba;
-
int status = -EINVAL;
+ if (!phba->cfg_enable_hba_reset)
+ return -EACCES;
+
if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
status = phba->lpfc_selective_reset(phba);
* Returns:
* zero for success
**/
-static int
+int
lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba)
{
struct lpfc_register portstat_reg = {0};
spin_lock_irq(shost->host_lock);
- if ((vport->fc_flag & FC_FABRIC) ||
- ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
- (vport->fc_flag & FC_PUBLIC_LOOP)))
+ if ((vport->port_state > LPFC_FLOGI) &&
+ ((vport->fc_flag & FC_FABRIC) ||
+ ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
+ (vport->fc_flag & FC_PUBLIC_LOOP))))
node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
else
/* fabric is local port if there is no F/FL_Port */
memset(hs, 0, sizeof (struct fc_host_statistics));
hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
- hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
+ /*
+ * The MBX_READ_STATUS returns tx_k_bytes which has to
+ * converted to words
+ */
+ hs->tx_words = (uint64_t)
+ ((uint64_t)pmb->un.varRdStatus.xmitByteCnt
+ * (uint64_t)256);
hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
- hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
+ hs->rx_words = (uint64_t)
+ ((uint64_t)pmb->un.varRdStatus.rcvByteCnt
+ * (uint64_t)256);
memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
pmb->mbxCommand = MBX_READ_LNK_STAT;
case 2:
c = 'B';
break;
+ case 3:
+ c = 'X';
+ break;
default:
c = 0;
break;
cmdiocb->context1 = NULL;
}
}
+
+ /*
+ * The driver received a LOGO from the rport and has ACK'd it.
+ * At this point, the driver is done so release the IOCB and
+ * remove the ndlp reference.
+ */
lpfc_els_free_iocb(phba, cmdiocb);
+ lpfc_nlp_put(ndlp);
return;
}
icmd->un.elsreq64.myID = 0;
icmd->un.elsreq64.fl = 1;
- if ((phba->sli_rev == LPFC_SLI_REV4) &&
- (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
- LPFC_SLI_INTF_IF_TYPE_0)) {
- /* FDISC needs to be 1 for WQE VPI */
- elsiocb->iocb.ulpCt_h = (SLI4_CT_VPI >> 1) & 1;
- elsiocb->iocb.ulpCt_l = SLI4_CT_VPI & 1 ;
- /* Set the ulpContext to the vpi */
- elsiocb->iocb.ulpContext = phba->vpi_ids[vport->vpi];
- } else {
- /* For FDISC, Let FDISC rsp set the NPortID for this VPI */
+ /*
+ * SLI3 ports require a different context type value than SLI4.
+ * Catch SLI3 ports here and override the prep.
+ */
+ if (phba->sli_rev == LPFC_SLI_REV3) {
icmd->ulpCt_h = 1;
icmd->ulpCt_l = 0;
}
{
struct lpfc_vport *vport = mboxq->vport;
- if (mboxq->u.mb.mbxStatus && (mboxq->u.mb.mbxStatus != 0x4002)) {
+ /* VFI not supported on interface type 0, just do the flogi */
+ if (mboxq->u.mb.mbxStatus && (bf_get(lpfc_sli_intf_if_type,
+ &phba->sli4_hba.sli_intf) != LPFC_SLI_INTF_IF_TYPE_0)) {
lpfc_printf_vlog(vport, KERN_ERR,
LOG_MBOX,
"2891 Init VFI mailbox failed 0x%x\n",
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
return;
}
+
lpfc_initial_flogi(vport);
mempool_free(mboxq, phba->mbox_mem_pool);
return;
#define lpfc_rq_doorbell_num_posted_SHIFT 16
#define lpfc_rq_doorbell_num_posted_MASK 0x3FFF
#define lpfc_rq_doorbell_num_posted_WORD word0
-#define LPFC_RQ_POST_BATCH 8 /* RQEs to post at one time */
#define lpfc_rq_doorbell_id_SHIFT 0
#define lpfc_rq_doorbell_id_MASK 0xFFFF
#define lpfc_rq_doorbell_id_WORD word0
struct Scsi_Host *shost;
uint32_t if_type;
struct lpfc_register portstat_reg;
+ int rc;
/* If the pci channel is offline, ignore possible errors, since
* we cannot communicate with the pci card anyway.
lpfc_sli4_offline_eratt(phba);
return;
}
- if (bf_get(lpfc_sliport_status_rn, &portstat_reg)) {
+ /*
+ * On error status condition, driver need to wait for port
+ * ready before performing reset.
+ */
+ rc = lpfc_sli4_pdev_status_reg_wait(phba);
+ if (!rc) {
/* need reset: attempt for port recovery */
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"2887 Port Error: Attempting "
"0540 Receive Queue not allocated\n");
goto out_destroy_fcp_wq;
}
+
+ lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
+ lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
+
rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
phba->sli4_hba.els_cq, LPFC_USOL);
if (rc) {
"rc = 0x%x\n", rc);
goto out_destroy_fcp_wq;
}
+
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
"parent cq-id=%d\n",
* the loop again.
*/
for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
+ msleep(10);
if (lpfc_readl(phba->sli4_hba.u.if_type2.
STATUSregaddr, ®_data.word0)) {
rc = -ENODEV;
- break;
+ goto out;
}
if (bf_get(lpfc_sliport_status_rdy, ®_data))
break;
reset_again++;
break;
}
- msleep(10);
}
/*
}
/* Detect any port errors. */
- if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
- ®_data.word0)) {
- rc = -ENODEV;
- break;
- }
if ((bf_get(lpfc_sliport_status_err, ®_data)) ||
(rdy_chk >= 1000)) {
phba->work_status[0] = readl(
break;
}
+out:
/* Catch the not-ready port failure after a port reset. */
if (num_resets >= MAX_IF_TYPE_2_RESETS)
rc = -ENODEV;
#define LOG_SECURITY 0x00008000 /* Security events */
#define LOG_EVENT 0x00010000 /* CT,TEMP,DUMP, logging */
#define LOG_FIP 0x00020000 /* FIP events */
+#define LOG_FCP_UNDER 0x00040000 /* FCP underruns errors */
#define LOG_ALL_MSG 0xffffffff /* LOG all messages */
#define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \
}
lp = (uint32_t *)cmnd->sense_buffer;
- if (!scsi_status && (resp_info & RESID_UNDER))
- logit = LOG_FCP;
+ if (!scsi_status && (resp_info & RESID_UNDER) &&
+ vport->cfg_log_verbose & LOG_FCP_UNDER)
+ logit = LOG_FCP_UNDER;
lpfc_printf_vlog(vport, KERN_WARNING, logit,
"9024 FCP command x%x failed: x%x SNS x%x x%x "
if (resp_info & RESID_UNDER) {
scsi_set_resid(cmnd, be32_to_cpu(fcprsp->rspResId));
- lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP_UNDER,
"9025 FCP Read Underrun, expected %d, "
"residual %d Data: x%x x%x x%x\n",
be32_to_cpu(fcpcmd->fcpDl),
struct lpfc_fast_path_event *fast_path_evt;
struct Scsi_Host *shost;
uint32_t queue_depth, scsi_id;
+ uint32_t logit = LOG_FCP;
/* Sanity check on return of outstanding command */
if (!(lpfc_cmd->pCmd))
lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
else if (lpfc_cmd->status >= IOSTAT_CNT)
lpfc_cmd->status = IOSTAT_DEFAULT;
-
- lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
- "9030 FCP cmd x%x failed <%d/%d> "
- "status: x%x result: x%x Data: x%x x%x\n",
- cmd->cmnd[0],
- cmd->device ? cmd->device->id : 0xffff,
- cmd->device ? cmd->device->lun : 0xffff,
- lpfc_cmd->status, lpfc_cmd->result,
- pIocbOut->iocb.ulpContext,
- lpfc_cmd->cur_iocbq.iocb.ulpIoTag);
+ if (lpfc_cmd->status == IOSTAT_FCP_RSP_ERROR
+ && !lpfc_cmd->fcp_rsp->rspStatus3
+ && (lpfc_cmd->fcp_rsp->rspStatus2 & RESID_UNDER)
+ && !(phba->cfg_log_verbose & LOG_FCP_UNDER))
+ logit = 0;
+ else
+ logit = LOG_FCP | LOG_FCP_UNDER;
+ lpfc_printf_vlog(vport, KERN_WARNING, logit,
+ "9030 FCP cmd x%x failed <%d/%d> "
+ "status: x%x result: x%x Data: x%x x%x\n",
+ cmd->cmnd[0],
+ cmd->device ? cmd->device->id : 0xffff,
+ cmd->device ? cmd->device->lun : 0xffff,
+ lpfc_cmd->status, lpfc_cmd->result,
+ pIocbOut->iocb.ulpContext,
+ lpfc_cmd->cur_iocbq.iocb.ulpIoTag);
switch (lpfc_cmd->status) {
case IOSTAT_FCP_RSP_ERROR:
dq->host_index = ((dq->host_index + 1) % dq->entry_count);
/* Ring The Header Receive Queue Doorbell */
- if (!(hq->host_index % LPFC_RQ_POST_BATCH)) {
+ if (!(hq->host_index % hq->entry_repost)) {
doorbell.word0 = 0;
bf_set(lpfc_rq_doorbell_num_posted, &doorbell,
- LPFC_RQ_POST_BATCH);
+ hq->entry_repost);
bf_set(lpfc_rq_doorbell_id, &doorbell, hq->queue_id);
writel(doorbell.word0, hq->phba->sli4_hba.RQDBregaddr);
}
{
if (phba->sli_rev == LPFC_SLI_REV4)
return lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
- lpfc_hbq_defs[qno]->entry_count);
+ lpfc_hbq_defs[qno]->entry_count);
else
return lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
lpfc_hbq_defs[qno]->init_count);
/* Move mbox data to caller's mailbox region, do endian swapping */
if (pmb->mbox_cmpl && mbox)
lpfc_sli_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe));
- /* Set the mailbox status with SLI4 range 0x4000 */
- mcqe_status = bf_get(lpfc_mcqe_status, mcqe);
- if (mcqe_status != MB_CQE_STATUS_SUCCESS)
- bf_set(lpfc_mqe_status, mqe,
- (LPFC_MBX_ERROR_RANGE | mcqe_status));
+ /*
+ * For mcqe errors, conditionally move a modified error code to
+ * the mbox so that the error will not be missed.
+ */
+ mcqe_status = bf_get(lpfc_mcqe_status, mcqe);
+ if (mcqe_status != MB_CQE_STATUS_SUCCESS) {
+ if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS)
+ bf_set(lpfc_mqe_status, mqe,
+ (LPFC_MBX_ERROR_RANGE | mcqe_status));
+ }
if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) {
pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT,
case LPFC_MCQ:
while ((cqe = lpfc_sli4_cq_get(cq))) {
workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe);
- if (!(++ecount % LPFC_GET_QE_REL_INT))
+ if (!(++ecount % cq->entry_repost))
lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
}
break;
else
workposted |= lpfc_sli4_sp_handle_cqe(phba, cq,
cqe);
- if (!(++ecount % LPFC_GET_QE_REL_INT))
+ if (!(++ecount % cq->entry_repost))
lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
}
break;
/* Process all the entries to the CQ */
while ((cqe = lpfc_sli4_cq_get(cq))) {
workposted |= lpfc_sli4_fp_handle_wcqe(phba, cq, cqe);
- if (!(++ecount % LPFC_GET_QE_REL_INT))
+ if (!(++ecount % cq->entry_repost))
lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
}
*/
while ((eqe = lpfc_sli4_eq_get(speq))) {
lpfc_sli4_sp_handle_eqe(phba, eqe);
- if (!(++ecount % LPFC_GET_QE_REL_INT))
+ if (!(++ecount % speq->entry_repost))
lpfc_sli4_eq_release(speq, LPFC_QUEUE_NOARM);
}
*/
while ((eqe = lpfc_sli4_eq_get(fpeq))) {
lpfc_sli4_fp_handle_eqe(phba, eqe, fcp_eqidx);
- if (!(++ecount % LPFC_GET_QE_REL_INT))
+ if (!(++ecount % fpeq->entry_repost))
lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_NOARM);
}
}
queue->entry_size = entry_size;
queue->entry_count = entry_count;
+
+ /*
+ * entry_repost is calculated based on the number of entries in the
+ * queue. This works out except for RQs. If buffers are NOT initially
+ * posted for every RQE, entry_repost should be adjusted accordingly.
+ */
+ queue->entry_repost = (entry_count >> 3);
+ if (queue->entry_repost < LPFC_QUEUE_MIN_REPOST)
+ queue->entry_repost = LPFC_QUEUE_MIN_REPOST;
queue->phba = phba;
return queue;
return status;
}
+/**
+ * lpfc_rq_adjust_repost - Adjust entry_repost for an RQ
+ * @phba: HBA structure that indicates port to create a queue on.
+ * @rq: The queue structure to use for the receive queue.
+ * @qno: The associated HBQ number
+ *
+ *
+ * For SLI4 we need to adjust the RQ repost value based on
+ * the number of buffers that are initially posted to the RQ.
+ */
+void
+lpfc_rq_adjust_repost(struct lpfc_hba *phba, struct lpfc_queue *rq, int qno)
+{
+ uint32_t cnt;
+
+ cnt = lpfc_hbq_defs[qno]->entry_count;
+
+ /* Recalc repost for RQs based on buffers initially posted */
+ cnt = (cnt >> 3);
+ if (cnt < LPFC_QUEUE_MIN_REPOST)
+ cnt = LPFC_QUEUE_MIN_REPOST;
+
+ rq->entry_repost = cnt;
+}
+
/**
* lpfc_rq_create - Create a Receive Queue on the HBA
* @phba: HBA structure that indicates port to create a queue on.
#define LPFC_XRI_EXCH_BUSY_WAIT_T1 10
#define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000
#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32
-#define LPFC_GET_QE_REL_INT 32
#define LPFC_RPI_LOW_WATER_MARK 10
#define LPFC_UNREG_FCF 1
struct list_head child_list;
uint32_t entry_count; /* Number of entries to support on the queue */
uint32_t entry_size; /* Size of each queue entry. */
+ uint32_t entry_repost; /* Count of entries before doorbell is rung */
+#define LPFC_QUEUE_MIN_REPOST 8
uint32_t queue_id; /* Queue ID assigned by the hardware */
uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
struct list_head page_list;
* SLI4 specific function prototypes
*/
int lpfc_pci_function_reset(struct lpfc_hba *);
+int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
int lpfc_sli4_hba_setup(struct lpfc_hba *);
int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
uint8_t, uint32_t, bool);
struct lpfc_queue *, uint32_t);
uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
struct lpfc_queue *, struct lpfc_queue *, uint32_t);
+void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
/* Indicate free memory when release */
NLP_SET_FREE_REQ(ndlp);
} else {
- if (!NLP_CHK_NODE_ACT(ndlp))
+ if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp,
NLP_STE_UNUSED_NODE);
if (!ndlp)
goto skip_logo;
+ }
- /* Remove ndlp from vport npld list */
+ /* Remove ndlp from vport list */
lpfc_dequeue_node(vport, ndlp);
spin_lock_irq(&phba->ndlp_lock);
if (!NLP_CHK_FREE_REQ(ndlp))
}
spin_unlock_irq(&phba->ndlp_lock);
}
- if (!(vport->vpi_state & LPFC_VPI_REGISTERED))
+
+ /*
+ * If the vpi is not registered, then a valid FDISC doesn't
+ * exist and there is no need for a ELS LOGO. Just cleanup
+ * the ndlp.
+ */
+ if (!(vport->vpi_state & LPFC_VPI_REGISTERED)) {
+ lpfc_nlp_put(ndlp);
goto skip_logo;
+ }
+
vport->unreg_vpi_cmpl = VPORT_INVAL;
timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
if (!lpfc_issue_els_npiv_logo(vport, ndlp))
projects / linux-beck.git / commitdiff