diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 165 |
1 files changed, 162 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 6be32fdab365..f1788db43195 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -221,6 +221,18 @@ MODULE_PARM_DESC(ql2xmdenable, "0 - MiniDump disabled. " "1 (Default) - MiniDump enabled."); +int ql2xexlogins = 0; +module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(ql2xexlogins, + "Number of extended Logins. " + "0 (Default)- Disabled."); + +int ql2xexchoffld = 0; +module_param(ql2xexchoffld, uint, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(ql2xexchoffld, + "Number of exchanges to offload. " + "0 (Default)- Disabled."); + /* * SCSI host template entry points */ @@ -2324,6 +2336,9 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->tgt.enable_class_2 = ql2xenableclass2; INIT_LIST_HEAD(&ha->tgt.q_full_list); spin_lock_init(&ha->tgt.q_full_lock); + spin_lock_init(&ha->tgt.sess_lock); + spin_lock_init(&ha->tgt.atio_lock); + /* Clear our data area */ ha->bars = bars; @@ -2468,7 +2483,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_83XX; - rsp_length = RESPONSE_ENTRY_CNT_2300; + rsp_length = RESPONSE_ENTRY_CNT_83XX; ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_81xx); @@ -2498,8 +2513,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->portnum = PCI_FUNC(ha->pdev->devfn); ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; - req_length = REQUEST_ENTRY_CNT_24XX; - rsp_length = RESPONSE_ENTRY_CNT_2300; + req_length = REQUEST_ENTRY_CNT_83XX; + rsp_length = RESPONSE_ENTRY_CNT_83XX; ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_81xx); @@ -3128,6 +3143,14 @@ qla2x00_remove_one(struct pci_dev *pdev) base_vha->flags.online = 0; + /* free DMA memory */ + if (ha->exlogin_buf) + qla2x00_free_exlogin_buffer(ha); + + /* free DMA memory */ + if (ha->exchoffld_buf) + qla2x00_free_exchoffld_buffer(ha); + qla2x00_destroy_deferred_work(ha); qlt_remove_target(ha, base_vha); @@ -3587,6 +3610,140 @@ fail: return -ENOMEM; } +int +qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha) +{ + int rval; + uint16_t size, max_cnt, temp; + struct qla_hw_data *ha = vha->hw; + + /* Return if we don't need to alloacate any extended logins */ + if (!ql2xexlogins) + return QLA_SUCCESS; + + ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins); + max_cnt = 0; + rval = qla_get_exlogin_status(vha, &size, &max_cnt); + if (rval != QLA_SUCCESS) { + ql_log_pci(ql_log_fatal, ha->pdev, 0xd029, + "Failed to get exlogin status.\n"); + return rval; + } + + temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins; + ha->exlogin_size = (size * temp); + ql_log(ql_log_info, vha, 0xd024, + "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n", + max_cnt, size, temp); + + ql_log(ql_log_info, vha, 0xd025, "EXLOGIN: requested size=0x%x\n", + ha->exlogin_size); + + /* Get consistent memory for extended logins */ + ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev, + ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL); + if (!ha->exlogin_buf) { + ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a, + "Failed to allocate memory for exlogin_buf_dma.\n"); + return -ENOMEM; + } + + /* Now configure the dma buffer */ + rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma); + if (rval) { + ql_log(ql_log_fatal, vha, 0x00cf, + "Setup extended login buffer ****FAILED****.\n"); + qla2x00_free_exlogin_buffer(ha); + } + + return rval; +} + +/* +* qla2x00_free_exlogin_buffer +* +* Input: +* ha = adapter block pointer +*/ +void +qla2x00_free_exlogin_buffer(struct qla_hw_data *ha) +{ + if (ha->exlogin_buf) { + dma_free_coherent(&ha->pdev->dev, ha->exlogin_size, + ha->exlogin_buf, ha->exlogin_buf_dma); + ha->exlogin_buf = NULL; + ha->exlogin_size = 0; + } +} + +int +qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha) +{ + int rval; + uint16_t size, max_cnt, temp; + struct qla_hw_data *ha = vha->hw; + + /* Return if we don't need to alloacate any extended logins */ + if (!ql2xexchoffld) + return QLA_SUCCESS; + + ql_log(ql_log_info, vha, 0xd014, + "Exchange offload count: %d.\n", ql2xexlogins); + + max_cnt = 0; + rval = qla_get_exchoffld_status(vha, &size, &max_cnt); + if (rval != QLA_SUCCESS) { + ql_log_pci(ql_log_fatal, ha->pdev, 0xd012, + "Failed to get exlogin status.\n"); + return rval; + } + + temp = (ql2xexchoffld > max_cnt) ? max_cnt : ql2xexchoffld; + ha->exchoffld_size = (size * temp); + ql_log(ql_log_info, vha, 0xd016, + "Exchange offload: max_count=%d, buffers=0x%x, total=%d.\n", + max_cnt, size, temp); + + ql_log(ql_log_info, vha, 0xd017, + "Exchange Buffers requested size = 0x%x\n", ha->exchoffld_size); + + /* Get consistent memory for extended logins */ + ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev, + ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL); + if (!ha->exchoffld_buf) { + ql_log_pci(ql_log_fatal, ha->pdev, 0xd013, + "Failed to allocate memory for exchoffld_buf_dma.\n"); + return -ENOMEM; + } + + /* Now configure the dma buffer */ + rval = qla_set_exchoffld_mem_cfg(vha, ha->exchoffld_buf_dma); + if (rval) { + ql_log(ql_log_fatal, vha, 0xd02e, + "Setup exchange offload buffer ****FAILED****.\n"); + qla2x00_free_exchoffld_buffer(ha); + } + + return rval; +} + +/* +* qla2x00_free_exchoffld_buffer +* +* Input: +* ha = adapter block pointer +*/ +void +qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha) +{ + if (ha->exchoffld_buf) { + dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size, + ha->exchoffld_buf, ha->exchoffld_buf_dma); + ha->exchoffld_buf = NULL; + ha->exchoffld_size = 0; + } +} + /* * qla2x00_free_fw_dump * Frees fw dump stuff. @@ -3766,6 +3923,8 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, INIT_LIST_HEAD(&vha->list); INIT_LIST_HEAD(&vha->qla_cmd_list); INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list); + INIT_LIST_HEAD(&vha->logo_list); + INIT_LIST_HEAD(&vha->plogi_ack_list); spin_lock_init(&vha->work_lock); spin_lock_init(&vha->cmd_list_lock); |