diff options
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_init.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_init.c | 73 |
1 files changed, 49 insertions, 24 deletions
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 01f2f41928eb..a0028e130a7e 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -56,7 +56,7 @@ MODULE_PARM_DESC(link_rate, "Enable link rate.\n" " 8: Link rate 12.0G\n"); static struct scsi_transport_template *pm8001_stt; -static int pm8001_init_ccb_tag(struct pm8001_hba_info *, struct Scsi_Host *, struct pci_dev *); +static int pm8001_init_ccb_tag(struct pm8001_hba_info *); /* * chip info structure to identify chip key functionality as @@ -81,6 +81,18 @@ LIST_HEAD(hba_list); struct workqueue_struct *pm8001_wq; +static int pm8001_map_queues(struct Scsi_Host *shost) +{ + struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); + struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; + struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT]; + + if (pm8001_ha->number_of_intr > 1) + blk_mq_pci_map_queues(qmap, pm8001_ha->pdev, 1); + + return blk_mq_map_queues(qmap); +} + /* * The main structure which LLDD must register for scsi core. */ @@ -109,6 +121,8 @@ static struct scsi_host_template pm8001_sht = { #endif .shost_groups = pm8001_host_groups, .track_queue_depth = 1, + .cmd_per_lun = 32, + .map_queues = pm8001_map_queues, }; /* @@ -607,12 +621,8 @@ static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost, shost->transportt = pm8001_stt; shost->max_id = PM8001_MAX_DEVICES; - shost->max_lun = 8; - shost->max_channel = 0; shost->unique_id = pm8001_id; shost->max_cmd_len = 16; - shost->can_queue = PM8001_CAN_QUEUE; - shost->cmd_per_lun = 32; return 0; exit_free1: kfree(arr_port); @@ -933,31 +943,35 @@ static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha) */ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha) { - u32 number_of_intr; - int rc, cpu_online_count; unsigned int allocated_irq_vectors; + int rc; /* SPCv controllers supports 64 msi-x */ if (pm8001_ha->chip_id == chip_8001) { - number_of_intr = 1; + rc = pci_alloc_irq_vectors(pm8001_ha->pdev, 1, 1, + PCI_IRQ_MSIX); } else { - number_of_intr = PM8001_MAX_MSIX_VEC; + /* + * Queue index #0 is used always for housekeeping, so don't + * include in the affinity spreading. + */ + struct irq_affinity desc = { + .pre_vectors = 1, + }; + rc = pci_alloc_irq_vectors_affinity( + pm8001_ha->pdev, 2, PM8001_MAX_MSIX_VEC, + PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &desc); } - cpu_online_count = num_online_cpus(); - number_of_intr = min_t(int, cpu_online_count, number_of_intr); - rc = pci_alloc_irq_vectors(pm8001_ha->pdev, number_of_intr, - number_of_intr, PCI_IRQ_MSIX); allocated_irq_vectors = rc; if (rc < 0) return rc; /* Assigns the number of interrupts */ - number_of_intr = min_t(int, allocated_irq_vectors, number_of_intr); - pm8001_ha->number_of_intr = number_of_intr; + pm8001_ha->number_of_intr = allocated_irq_vectors; /* Maximum queue number updating in HBA structure */ - pm8001_ha->max_q_num = number_of_intr; + pm8001_ha->max_q_num = allocated_irq_vectors; pm8001_dbg(pm8001_ha, INIT, "pci_alloc_irq_vectors request ret:%d no of intr %d\n", @@ -1124,10 +1138,23 @@ static int pm8001_pci_probe(struct pci_dev *pdev, goto err_out_ha_free; } - rc = pm8001_init_ccb_tag(pm8001_ha, shost, pdev); + rc = pm8001_init_ccb_tag(pm8001_ha); if (rc) goto err_out_enable; + + PM8001_CHIP_DISP->chip_post_init(pm8001_ha); + + if (pm8001_ha->number_of_intr > 1) { + shost->nr_hw_queues = pm8001_ha->number_of_intr - 1; + /* + * For now, ensure we're not sent too many commands by setting + * host_tagset. This is also required if we start using request + * tag. + */ + shost->host_tagset = 1; + } + rc = scsi_add_host(shost, &pdev->dev); if (rc) goto err_out_ha_free; @@ -1177,16 +1204,14 @@ err_out_enable: /** * pm8001_init_ccb_tag - allocate memory to CCB and tag. * @pm8001_ha: our hba card information. - * @shost: scsi host which has been allocated outside. - * @pdev: pci device. */ -static int -pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost, - struct pci_dev *pdev) +static int pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha) { - int i = 0; + struct Scsi_Host *shost = pm8001_ha->shost; + struct device *dev = pm8001_ha->dev; u32 max_out_io, ccb_count; u32 can_queue; + int i; max_out_io = pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io; ccb_count = min_t(int, PM8001_MAX_CCB, max_out_io); @@ -1209,7 +1234,7 @@ pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost, goto err_out_noccb; } for (i = 0; i < ccb_count; i++) { - pm8001_ha->ccb_info[i].buf_prd = dma_alloc_coherent(&pdev->dev, + pm8001_ha->ccb_info[i].buf_prd = dma_alloc_coherent(dev, sizeof(struct pm8001_prd) * PM8001_MAX_DMA_SG, &pm8001_ha->ccb_info[i].ccb_dma_handle, GFP_KERNEL); |