[SCSI] qla2xxx: Enhancements to support ISPFx00.

[jejb: fix up checkpatch issues]
Signed-off-by: Andrew Vazquez <andrew.vasquez@qlogic.com>
Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 200 insertions, 12 deletions

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2c6dd3dfe0f4..a083715843bd 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -47,6 +47,7 @@ MODULE_PARM_DESC(ql2xenableclass2,
 		"Specify if Class 2 operations are supported from the very "
 		"beginning. Default is 0 - class 2 not supported.");
 
+
 int ql2xlogintimeout = 20;
 module_param(ql2xlogintimeout, int, S_IRUGO);
 MODULE_PARM_DESC(ql2xlogintimeout,
@@ -354,7 +355,12 @@ fail_req_map:
 
 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 {
-	if (req && req->ring)
+	if (IS_QLAFX00(ha)) {
+		if (req && req->ring_fx00)
+			dma_free_coherent(&ha->pdev->dev,
+			    (req->length_fx00 + 1) * sizeof(request_t),
+			    req->ring_fx00, req->dma_fx00);
+	} else if (req && req->ring)
 		dma_free_coherent(&ha->pdev->dev,
 		(req->length + 1) * sizeof(request_t),
 		req->ring, req->dma);
@@ -368,11 +374,16 @@ static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 
 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 {
-	if (rsp && rsp->ring)
+	if (IS_QLAFX00(ha)) {
+		if (rsp && rsp->ring)
+			dma_free_coherent(&ha->pdev->dev,
+			    (rsp->length_fx00 + 1) * sizeof(request_t),
+			    rsp->ring_fx00, rsp->dma_fx00);
+	} else if (rsp && rsp->ring) {
 		dma_free_coherent(&ha->pdev->dev,
 		(rsp->length + 1) * sizeof(response_t),
 		rsp->ring, rsp->dma);
-
+	}
 	kfree(rsp);
 	rsp = NULL;
 }
@@ -633,7 +644,7 @@ qla2x00_sp_free_dma(void *vha, void *ptr)
 	qla2x00_rel_sp(sp->fcport->vha, sp);
 }
 
-static void
+void
 qla2x00_sp_compl(void *data, void *ptr, int res)
 {
 	struct qla_hw_data *ha = (struct qla_hw_data *)data;
@@ -657,6 +668,9 @@ qla2x00_sp_compl(void *data, void *ptr, int res)
 	cmd->scsi_done(cmd);
 }
 
+/* If we are SP1 here, we need to still take and release the host_lock as SP1
+ * does not have the changes necessary to avoid taking host->host_lock.
+ */
 static int
 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 {
@@ -1304,6 +1318,9 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
 		}
 	}
 
+	if (IS_QLAFX00(ha))
+		return QLA_SUCCESS;
+
 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
 		atomic_set(&vha->loop_state, LOOP_DOWN);
 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
@@ -1858,6 +1875,7 @@ static struct isp_operations qla2100_isp_ops = {
 	.start_scsi		= qla2x00_start_scsi,
 	.abort_isp		= qla2x00_abort_isp,
 	.iospace_config     	= qla2x00_iospace_config,
+	.initialize_adapter	= qla2x00_initialize_adapter,
 };
 
 static struct isp_operations qla2300_isp_ops = {
@@ -1895,6 +1913,7 @@ static struct isp_operations qla2300_isp_ops = {
 	.start_scsi		= qla2x00_start_scsi,
 	.abort_isp		= qla2x00_abort_isp,
 	.iospace_config     	= qla2x00_iospace_config,
+	.initialize_adapter	= qla2x00_initialize_adapter,
 };
 
 static struct isp_operations qla24xx_isp_ops = {
@@ -1932,6 +1951,7 @@ static struct isp_operations qla24xx_isp_ops = {
 	.start_scsi		= qla24xx_start_scsi,
 	.abort_isp		= qla2x00_abort_isp,
 	.iospace_config     	= qla2x00_iospace_config,
+	.initialize_adapter	= qla2x00_initialize_adapter,
 };
 
 static struct isp_operations qla25xx_isp_ops = {
@@ -1969,6 +1989,7 @@ static struct isp_operations qla25xx_isp_ops = {
 	.start_scsi		= qla24xx_dif_start_scsi,
 	.abort_isp		= qla2x00_abort_isp,
 	.iospace_config     	= qla2x00_iospace_config,
+	.initialize_adapter	= qla2x00_initialize_adapter,
 };
 
 static struct isp_operations qla81xx_isp_ops = {
@@ -2006,6 +2027,7 @@ static struct isp_operations qla81xx_isp_ops = {
 	.start_scsi		= qla24xx_dif_start_scsi,
 	.abort_isp		= qla2x00_abort_isp,
 	.iospace_config     	= qla2x00_iospace_config,
+	.initialize_adapter	= qla2x00_initialize_adapter,
 };
 
 static struct isp_operations qla82xx_isp_ops = {
@@ -2043,6 +2065,7 @@ static struct isp_operations qla82xx_isp_ops = {
 	.start_scsi             = qla82xx_start_scsi,
 	.abort_isp		= qla82xx_abort_isp,
 	.iospace_config     	= qla82xx_iospace_config,
+	.initialize_adapter	= qla2x00_initialize_adapter,
 };
 
 static struct isp_operations qla83xx_isp_ops = {
@@ -2080,6 +2103,45 @@ static struct isp_operations qla83xx_isp_ops = {
 	.start_scsi		= qla24xx_dif_start_scsi,
 	.abort_isp		= qla2x00_abort_isp,
 	.iospace_config		= qla83xx_iospace_config,
+	.initialize_adapter	= qla2x00_initialize_adapter,
+};
+
+static struct isp_operations qlafx00_isp_ops = {
+	.pci_config		= qlafx00_pci_config,
+	.reset_chip		= qlafx00_soft_reset,
+	.chip_diag		= qlafx00_chip_diag,
+	.config_rings		= qlafx00_config_rings,
+	.reset_adapter		= qlafx00_soft_reset,
+	.nvram_config		= NULL,
+	.update_fw_options	= NULL,
+	.load_risc		= NULL,
+	.pci_info_str		= qlafx00_pci_info_str,
+	.fw_version_str		= qlafx00_fw_version_str,
+	.intr_handler		= qlafx00_intr_handler,
+	.enable_intrs		= qlafx00_enable_intrs,
+	.disable_intrs		= qlafx00_disable_intrs,
+	.abort_command		= qlafx00_abort_command,
+	.target_reset		= qlafx00_abort_target,
+	.lun_reset		= qlafx00_lun_reset,
+	.fabric_login		= NULL,
+	.fabric_logout		= NULL,
+	.calc_req_entries	= NULL,
+	.build_iocbs		= NULL,
+	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
+	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
+	.read_nvram		= qla24xx_read_nvram_data,
+	.write_nvram		= qla24xx_write_nvram_data,
+	.fw_dump		= NULL,
+	.beacon_on		= qla24xx_beacon_on,
+	.beacon_off		= qla24xx_beacon_off,
+	.beacon_blink		= NULL,
+	.read_optrom		= qla24xx_read_optrom_data,
+	.write_optrom		= qla24xx_write_optrom_data,
+	.get_flash_version	= qla24xx_get_flash_version,
+	.start_scsi		= qlafx00_start_scsi,
+	.abort_isp		= qlafx00_abort_isp,
+	.iospace_config		= qlafx00_iospace_config,
+	.initialize_adapter	= qlafx00_initialize_adapter,
 };
 
 static inline void
@@ -2192,6 +2254,9 @@ qla2x00_set_isp_flags(struct qla_hw_data *ha)
 		ha->device_type |= DT_T10_PI;
 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
 		break;
+	case PCI_DEVICE_ID_QLOGIC_ISPF001:
+		ha->device_type |= DT_ISPFX00;
+		break;
 	}
 
 	if (IS_QLA82XX(ha))
@@ -2265,7 +2330,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
-	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031) {
+	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
+	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001) {
 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
 		mem_only = 1;
 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
@@ -2436,6 +2502,18 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
 		ha->nvram_conf_off = ~0;
 		ha->nvram_data_off = ~0;
+	}  else if (IS_QLAFX00(ha)) {
+		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
+		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
+		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
+		req_length = REQUEST_ENTRY_CNT_FX00;
+		rsp_length = RESPONSE_ENTRY_CNT_FX00;
+		ha->init_cb_size = sizeof(struct init_cb_fx);
+		ha->isp_ops = &qlafx00_isp_ops;
+		ha->port_down_retry_count = 30; /* default value */
+		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
+		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
+		ha->mr.fw_hbt_en = 1;
 	}
 
 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
@@ -2500,13 +2578,24 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	host = base_vha->host;
 	base_vha->req = req;
-	host->can_queue = req->length + 128;
+	if (IS_QLAFX00(ha))
+		host->can_queue = 1024;
+	else
+		host->can_queue = req->length + 128;
 	if (IS_QLA2XXX_MIDTYPE(ha))
 		base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
 	else
 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
 						base_vha->vp_idx;
 
+	/* Setup fcport template structure. */
+	ha->mr.fcport.vha = base_vha;
+	ha->mr.fcport.port_type = FCT_UNKNOWN;
+	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
+	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
+	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
+	ha->mr.fcport.scan_state = 1;
+
 	/* Set the SG table size based on ISP type */
 	if (!IS_FWI2_CAPABLE(ha)) {
 		if (IS_QLA2100(ha))
@@ -2562,6 +2651,13 @@ que_init:
 	rsp->req = req;
 	req->rsp = rsp;
 
+	if (IS_QLAFX00(ha)) {
+		ha->rsp_q_map[0] = rsp;
+		ha->req_q_map[0] = req;
+		set_bit(0, ha->req_qid_map);
+		set_bit(0, ha->rsp_qid_map);
+	}
+
 	/* FWI2-capable only. */
 	req->req_q_in = &ha->iobase->isp24.req_q_in;
 	req->req_q_out = &ha->iobase->isp24.req_q_out;
@@ -2574,6 +2670,13 @@ que_init:
 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
 	}
 
+	if (IS_QLAFX00(ha)) {
+		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
+		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
+		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
+		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
+	}
+
 	if (IS_QLA82XX(ha)) {
 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
@@ -2595,7 +2698,7 @@ que_init:
 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
 
-	if (qla2x00_initialize_adapter(base_vha)) {
+	if (ha->isp_ops->initialize_adapter(base_vha)) {
 		ql_log(ql_log_fatal, base_vha, 0x00d6,
 		    "Failed to initialize adapter - Adapter flags %x.\n",
 		    base_vha->device_flags);
@@ -2720,6 +2823,18 @@ skip_dpc:
 
 	qla2x00_alloc_sysfs_attr(base_vha);
 
+	if (IS_QLAFX00(ha)) {
+		ret = qlafx00_fx_disc(base_vha,
+			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
+
+		ret = qlafx00_fx_disc(base_vha,
+			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
+
+		/* Register system information */
+		ret =  qlafx00_fx_disc(base_vha,
+			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
+	}
+
 	qla2x00_init_host_attr(base_vha);
 
 	qla2x00_dfs_setup(base_vha);
@@ -2777,6 +2892,8 @@ iospace_config_failed:
 	} else {
 		if (ha->iobase)
 			iounmap(ha->iobase);
+		if (ha->cregbase)
+			iounmap(ha->cregbase);
 	}
 	pci_release_selected_regions(ha->pdev, ha->bars);
 	kfree(ha);
@@ -2960,6 +3077,9 @@ qla2x00_remove_one(struct pci_dev *pdev)
 		if (ha->iobase)
 			iounmap(ha->iobase);
 
+		if (ha->cregbase)
+			iounmap(ha->cregbase);
+
 		if (ha->mqiobase)
 			iounmap(ha->mqiobase);
 
@@ -3068,6 +3188,12 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
     int do_login, int defer)
 {
+	if (IS_QLAFX00(vha->hw)) {
+		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
+		qla2x00_schedule_rport_del(vha, fcport, defer);
+		return;
+	}
+
 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
 	    vha->vp_idx == fcport->vha->vp_idx) {
 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
@@ -3710,6 +3836,22 @@ qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
 }
 
+int
+qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
+			uint32_t *data, int cnt)
+{
+	struct qla_work_evt *e;
+
+	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
+	if (!e)
+		return QLA_FUNCTION_FAILED;
+
+	e->u.aenfx.evtcode = evtcode;
+	e->u.aenfx.count = cnt;
+	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
+	return qla2x00_post_work(vha, e);
+}
+
 void
 qla2x00_do_work(struct scsi_qla_host *vha)
 {
@@ -3758,6 +3900,9 @@ qla2x00_do_work(struct scsi_qla_host *vha)
 		case QLA_EVT_UEVENT:
 			qla2x00_uevent_emit(vha, e->u.uevent.code);
 			break;
+		case QLA_EVT_AENFX:
+			qlafx00_process_aen(vha, e);
+			break;
 		}
 		if (e->flags & QLA_EVT_FLAG_FREE)
 			kfree(e);
@@ -4592,6 +4737,38 @@ qla2x00_do_dpc(void *data)
 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
 				    "FCoE context reset end.\n");
 			}
+		} else if (IS_QLAFX00(ha)) {
+			if (test_and_clear_bit(ISP_UNRECOVERABLE,
+				&base_vha->dpc_flags)) {
+				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
+				    "Firmware Reset Recovery\n");
+				if (qlafx00_reset_initialize(base_vha)) {
+					/* Failed. Abort isp later. */
+					if (!test_bit(UNLOADING,
+					    &base_vha->dpc_flags))
+						set_bit(ISP_UNRECOVERABLE,
+						    &base_vha->dpc_flags);
+						ql_dbg(ql_dbg_dpc, base_vha,
+						    0x4021,
+						    "Reset Recovery Failed\n");
+				}
+			}
+
+			if (test_and_clear_bit(FX00_TARGET_SCAN,
+				&base_vha->dpc_flags)) {
+				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
+				    "ISPFx00 Target Scan scheduled\n");
+				if (qlafx00_rescan_isp(base_vha)) {
+					if (!test_bit(UNLOADING,
+					    &base_vha->dpc_flags))
+						set_bit(ISP_UNRECOVERABLE,
+						    &base_vha->dpc_flags);
+					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
+					    "ISPFx00 Target Scan Failed\n");
+				}
+				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
+				    "ISPFx00 Target Scan End\n");
+			}
 		}
 
 		if (test_and_clear_bit(ISP_ABORT_NEEDED,
@@ -4630,6 +4807,9 @@ qla2x00_do_dpc(void *data)
 			clear_bit(SCR_PENDING, &base_vha->dpc_flags);
 		}
 
+		if (IS_QLAFX00(ha))
+			goto loop_resync_check;
+
 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
 			    "Quiescence mode scheduled.\n");
@@ -4654,7 +4834,7 @@ qla2x00_do_dpc(void *data)
 		}
 
 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
-							&base_vha->dpc_flags) &&
+				&base_vha->dpc_flags) &&
 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
 
 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
@@ -4677,9 +4857,9 @@ qla2x00_do_dpc(void *data)
 			ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
 			    "Relogin end.\n");
 		}
-
+loop_resync_check:
 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
-							&base_vha->dpc_flags)) {
+		    &base_vha->dpc_flags)) {
 
 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
 			    "Loop resync scheduled.\n");
@@ -4697,6 +4877,9 @@ qla2x00_do_dpc(void *data)
 			    "Loop resync end.\n");
 		}
 
+		if (IS_QLAFX00(ha))
+			goto intr_on_check;
+
 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
@@ -4714,7 +4897,7 @@ qla2x00_do_dpc(void *data)
 		if (test_and_clear_bit(HOST_RAMP_UP_QUEUE_DEPTH,
 		    &base_vha->dpc_flags))
 			qla2x00_host_ramp_up_queuedepth(base_vha);
-
+intr_on_check:
 		if (!ha->interrupts_on)
 			ha->isp_ops->enable_intrs(ha);
 
@@ -4722,7 +4905,8 @@ qla2x00_do_dpc(void *data)
 					&base_vha->dpc_flags))
 			ha->isp_ops->beacon_blink(base_vha);
 
-		qla2x00_do_dpc_all_vps(base_vha);
+		if (!IS_QLAFX00(ha))
+			qla2x00_do_dpc_all_vps(base_vha);
 
 		ha->dpc_active = 0;
 end_loop:
@@ -4818,6 +5002,9 @@ qla2x00_timer(scsi_qla_host_t *vha)
 		qla82xx_watchdog(vha);
 	}
 
+	if (!vha->vp_idx && IS_QLAFX00(ha))
+		qlafx00_timer_routine(vha);
+
 	/* Loop down handler. */
 	if (atomic_read(&vha->loop_down_timer) > 0 &&
 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
@@ -5335,6 +5522,7 @@ static struct pci_device_id qla2xxx_pci_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
 	{ 0 },
 };
 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);