diff options
Diffstat (limited to 'drivers/scsi/be2iscsi/be_main.c')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 82 |
1 files changed, 66 insertions, 16 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 0d822297aa8..55434902962 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -599,15 +599,7 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev) pci_set_drvdata(pcidev, phba); phba->interface_handle = 0xFFFFFFFF; - if (iscsi_host_add(shost, &phba->pcidev->dev)) - goto free_devices; - return phba; - -free_devices: - pci_dev_put(phba->pcidev); - iscsi_host_free(phba->shost); - return NULL; } static void beiscsi_unmap_pci_function(struct beiscsi_hba *phba) @@ -2279,6 +2271,7 @@ static int be_iopoll(struct blk_iopoll *iop, int budget) pbe_eq = container_of(iop, struct be_eq_obj, iopoll); ret = beiscsi_process_cq(pbe_eq); + pbe_eq->cq_count += ret; if (ret < budget) { phba = pbe_eq->phba; blk_iopoll_complete(iop); @@ -3692,7 +3685,7 @@ static void hwi_cleanup(struct beiscsi_hba *phba) struct hwi_controller *phwi_ctrlr; struct hwi_context_memory *phwi_context; struct hwi_async_pdu_context *pasync_ctx; - int i, eq_num, ulp_num; + int i, eq_for_mcc, ulp_num; phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; @@ -3729,16 +3722,17 @@ static void hwi_cleanup(struct beiscsi_hba *phba) if (q->created) beiscsi_cmd_q_destroy(ctrl, q, QTYPE_CQ); } + + be_mcc_queues_destroy(phba); if (phba->msix_enabled) - eq_num = 1; + eq_for_mcc = 1; else - eq_num = 0; - for (i = 0; i < (phba->num_cpus + eq_num); i++) { + eq_for_mcc = 0; + for (i = 0; i < (phba->num_cpus + eq_for_mcc); i++) { q = &phwi_context->be_eq[i].q; if (q->created) beiscsi_cmd_q_destroy(ctrl, q, QTYPE_EQ); } - be_mcc_queues_destroy(phba); be_cmd_fw_uninit(ctrl); } @@ -3833,9 +3827,9 @@ static int hwi_init_port(struct beiscsi_hba *phba) phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; - phwi_context->max_eqd = 0; + phwi_context->max_eqd = 128; phwi_context->min_eqd = 0; - phwi_context->cur_eqd = 64; + phwi_context->cur_eqd = 0; be_cmd_fw_initialize(&phba->ctrl); status = beiscsi_create_eqs(phba, phwi_context); @@ -5290,6 +5284,57 @@ static void beiscsi_msix_enable(struct beiscsi_hba *phba) return; } +static void be_eqd_update(struct beiscsi_hba *phba) +{ + struct be_set_eqd set_eqd[MAX_CPUS]; + struct be_aic_obj *aic; + struct be_eq_obj *pbe_eq; + struct hwi_controller *phwi_ctrlr; + struct hwi_context_memory *phwi_context; + int eqd, i, num = 0; + ulong now; + u32 pps, delta; + unsigned int tag; + + phwi_ctrlr = phba->phwi_ctrlr; + phwi_context = phwi_ctrlr->phwi_ctxt; + + for (i = 0; i <= phba->num_cpus; i++) { + aic = &phba->aic_obj[i]; + pbe_eq = &phwi_context->be_eq[i]; + now = jiffies; + if (!aic->jiffs || time_before(now, aic->jiffs) || + pbe_eq->cq_count < aic->eq_prev) { + aic->jiffs = now; + aic->eq_prev = pbe_eq->cq_count; + continue; + } + delta = jiffies_to_msecs(now - aic->jiffs); + pps = (((u32)(pbe_eq->cq_count - aic->eq_prev) * 1000) / delta); + eqd = (pps / 1500) << 2; + + if (eqd < 8) + eqd = 0; + eqd = min_t(u32, eqd, phwi_context->max_eqd); + eqd = max_t(u32, eqd, phwi_context->min_eqd); + + aic->jiffs = now; + aic->eq_prev = pbe_eq->cq_count; + + if (eqd != aic->prev_eqd) { + set_eqd[num].delay_multiplier = (eqd * 65)/100; + set_eqd[num].eq_id = pbe_eq->q.id; + aic->prev_eqd = eqd; + num++; + } + } + if (num) { + tag = be_cmd_modify_eq_delay(phba, set_eqd, num); + if (tag) + beiscsi_mccq_compl(phba, tag, NULL, NULL); + } +} + /* * beiscsi_hw_health_check()- Check adapter health * @work: work item to check HW health @@ -5303,6 +5348,8 @@ beiscsi_hw_health_check(struct work_struct *work) container_of(work, struct beiscsi_hba, beiscsi_hw_check_task.work); + be_eqd_update(phba); + beiscsi_ue_detect(phba); schedule_delayed_work(&phba->beiscsi_hw_check_task, @@ -5579,7 +5626,7 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev, phba->ctrl.mcc_numtag[i + 1] = 0; phba->ctrl.mcc_tag_available++; memset(&phba->ctrl.ptag_state[i].tag_mem_state, 0, - sizeof(struct beiscsi_mcc_tag_state)); + sizeof(struct be_dma_mem)); } phba->ctrl.mcc_alloc_index = phba->ctrl.mcc_free_index = 0; @@ -5621,6 +5668,9 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev, } hwi_enable_intr(phba); + if (iscsi_host_add(phba->shost, &phba->pcidev->dev)) + goto free_blkenbld; + if (beiscsi_setup_boot_info(phba)) /* * log error but continue, because we may not be using |