X-Git-Url: https://git.stricted.de/?a=blobdiff_plain;f=drivers%2Fscsi%2Fqla2xxx%2Fqla_os.c;h=aba1e6d480669ff6e9f932e55e6364f397d050df;hb=9b73e76f3cf63379dcf45fcd4f112f5812418d0a;hp=a8ab2d3447baf5a5fa883a247ce2af237de65980;hpb=14e660e677ddd3574247495aae4ef63eb8899072;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index a8ab2d3447ba..aba1e6d48066 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -105,13 +105,12 @@ static int qla2xxx_eh_abort(struct scsi_cmnd *);
 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
-static int qla2x00_loop_reset(scsi_qla_host_t *ha);
 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 
 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 static int qla2x00_change_queue_type(struct scsi_device *, int);
 
-struct scsi_host_template qla2x00_driver_template = {
+static struct scsi_host_template qla2x00_driver_template = {
 	.module			= THIS_MODULE,
 	.name			= QLA2XXX_DRIVER_NAME,
 	.queuecommand		= qla2x00_queuecommand,
@@ -132,6 +131,7 @@ struct scsi_host_template qla2x00_driver_template = {
 	.this_id		= -1,
 	.cmd_per_lun		= 3,
 	.use_clustering		= ENABLE_CLUSTERING,
+	.use_sg_chaining	= ENABLE_SG_CHAINING,
 	.sg_tablesize		= SG_ALL,
 
 	/*
@@ -163,6 +163,7 @@ struct scsi_host_template qla24xx_driver_template = {
 	.this_id		= -1,
 	.cmd_per_lun		= 3,
 	.use_clustering		= ENABLE_CLUSTERING,
+	.use_sg_chaining	= ENABLE_SG_CHAINING,
 	.sg_tablesize		= SG_ALL,
 
 	.max_sectors		= 0xFFFF,
@@ -177,13 +178,6 @@ struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
  * Timer routines
  */
 
-void qla2x00_timer(scsi_qla_host_t *);
-
-__inline__ void qla2x00_start_timer(scsi_qla_host_t *,
-    void *, unsigned long);
-static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
-__inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
-
 __inline__ void
 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 {
@@ -201,7 +195,7 @@ qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 	mod_timer(&ha->timer, jiffies + interval * HZ);
 }
 
-__inline__ void
+static __inline__ void
 qla2x00_stop_timer(scsi_qla_host_t *ha)
 {
 	del_timer_sync(&ha->timer);
@@ -212,12 +206,11 @@ static int qla2x00_do_dpc(void *data);
 
 static void qla2x00_rst_aen(scsi_qla_host_t *);
 
-uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
-void qla2x00_mem_free(scsi_qla_host_t *ha);
+static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
+static void qla2x00_mem_free(scsi_qla_host_t *ha);
 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
-void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
 
 /* -------------------------------------------------------------------------- */
 
@@ -379,7 +372,7 @@ qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
 static int
 qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 {
-	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 	srb_t *sp;
@@ -445,7 +438,7 @@ qc_fail_command:
 static int
 qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 {
-	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 	srb_t *sp;
@@ -663,7 +656,7 @@ qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
 static int
 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 {
-	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 	srb_t *sp;
 	int ret, i;
 	unsigned int id, lun;
@@ -803,7 +796,7 @@ qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 static int
 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 {
-	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 	int ret = FAILED;
 	unsigned int id, lun;
@@ -932,7 +925,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
 static int
 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 {
-	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 	scsi_qla_host_t *pha = to_qla_parent(ha);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 	int ret = FAILED;
@@ -992,7 +985,7 @@ eh_bus_reset_done:
 static int
 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 {
-	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
+	scsi_qla_host_t *ha = shost_priv(cmd->device->host);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 	int ret = FAILED;
 	unsigned int id, lun;
@@ -1058,7 +1051,7 @@ eh_host_reset_lock:
 * Returns:
 *      0 = success
 */
-static int
+int
 qla2x00_loop_reset(scsi_qla_host_t *ha)
 {
 	int ret;
@@ -1142,7 +1135,7 @@ qla2xxx_slave_alloc(struct scsi_device *sdev)
 static int
 qla2xxx_slave_configure(struct scsi_device *sdev)
 {
-	scsi_qla_host_t *ha = to_qla_host(sdev->host);
+	scsi_qla_host_t *ha = shost_priv(sdev->host);
 	struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
 
 	if (sdev->tagged_supported)
@@ -1477,15 +1470,23 @@ qla2x00_set_isp_flags(scsi_qla_host_t *ha)
 static int
 qla2x00_iospace_config(scsi_qla_host_t *ha)
 {
-	unsigned long	pio, pio_len, pio_flags;
-	unsigned long	mmio, mmio_len, mmio_flags;
+	resource_size_t pio;
+
+	if (pci_request_selected_regions(ha->pdev, ha->bars,
+	    QLA2XXX_DRIVER_NAME)) {
+		qla_printk(KERN_WARNING, ha,
+		    "Failed to reserve PIO/MMIO regions (%s)\n",
+		    pci_name(ha->pdev));
+
+		goto iospace_error_exit;
+	}
+	if (!(ha->bars & 1))
+		goto skip_pio;
 
 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
 	pio = pci_resource_start(ha->pdev, 0);
-	pio_len = pci_resource_len(ha->pdev, 0);
-	pio_flags = pci_resource_flags(ha->pdev, 0);
-	if (pio_flags & IORESOURCE_IO) {
-		if (pio_len < MIN_IOBASE_LEN) {
+	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
+		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
 			qla_printk(KERN_WARNING, ha,
 			    "Invalid PCI I/O region size (%s)...\n",
 				pci_name(ha->pdev));
@@ -1497,36 +1498,24 @@ qla2x00_iospace_config(scsi_qla_host_t *ha)
 		    pci_name(ha->pdev));
 		pio = 0;
 	}
+	ha->pio_address = pio;
 
+skip_pio:
 	/* Use MMIO operations for all accesses. */
-	mmio = pci_resource_start(ha->pdev, 1);
-	mmio_len = pci_resource_len(ha->pdev, 1);
-	mmio_flags = pci_resource_flags(ha->pdev, 1);
-
-	if (!(mmio_flags & IORESOURCE_MEM)) {
+	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
 		qla_printk(KERN_ERR, ha,
-		    "region #0 not an MMIO resource (%s), aborting\n",
+		    "region #1 not an MMIO resource (%s), aborting\n",
 		    pci_name(ha->pdev));
 		goto iospace_error_exit;
 	}
-	if (mmio_len < MIN_IOBASE_LEN) {
+	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
 		qla_printk(KERN_ERR, ha,
 		    "Invalid PCI mem region size (%s), aborting\n",
 			pci_name(ha->pdev));
 		goto iospace_error_exit;
 	}
 
-	if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
-		qla_printk(KERN_WARNING, ha,
-		    "Failed to reserve PIO/MMIO regions (%s)\n",
-		    pci_name(ha->pdev));
-
-		goto iospace_error_exit;
-	}
-
-	ha->pio_address = pio;
-	ha->pio_length = pio_len;
-	ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
+	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
 	if (!ha->iobase) {
 		qla_printk(KERN_ERR, ha,
 		    "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
@@ -1543,7 +1532,7 @@ iospace_error_exit:
 static void
 qla2xxx_scan_start(struct Scsi_Host *shost)
 {
-	scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
+	scsi_qla_host_t *ha = shost_priv(shost);
 
 	set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
 	set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
@@ -1553,7 +1542,7 @@ qla2xxx_scan_start(struct Scsi_Host *shost)
 static int
 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
 {
-	scsi_qla_host_t *ha = (scsi_qla_host_t *)shost->hostdata;
+	scsi_qla_host_t *ha = shost_priv(shost);
 
 	if (!ha->host)
 		return 1;
@@ -1577,21 +1566,26 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	char pci_info[30];
 	char fw_str[30];
 	struct scsi_host_template *sht;
+	int bars;
 
-	if (pci_enable_device(pdev))
-		goto probe_out;
-
-	if (pci_find_aer_capability(pdev))
-		if (pci_enable_pcie_error_reporting(pdev))
-			goto probe_out;
-
+	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
 	sht = &qla2x00_driver_template;
 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
-	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532)
+	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) {
+		bars = pci_select_bars(pdev, IORESOURCE_MEM);
 		sht = &qla24xx_driver_template;
+	}
+
+	if (pci_enable_device_bars(pdev, bars))
+		goto probe_out;
+
+	if (pci_find_aer_capability(pdev))
+		if (pci_enable_pcie_error_reporting(pdev))
+			goto probe_out;
+
 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
 	if (host == NULL) {
 		printk(KERN_WARNING
@@ -1600,7 +1594,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* Clear our data area */
-	ha = (scsi_qla_host_t *)host->hostdata;
+	ha = shost_priv(host);
 	memset(ha, 0, sizeof(scsi_qla_host_t));
 
 	ha->pdev = pdev;
@@ -1608,6 +1602,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	ha->host_no = host->host_no;
 	sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
 	ha->parent = NULL;
+	ha->bars = bars;
 
 	/* Set ISP-type information. */
 	qla2x00_set_isp_flags(ha);
@@ -1689,9 +1684,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* load the F/W, read paramaters, and init the H/W */
 	ha->instance = num_hosts;
 
-	init_MUTEX(&ha->mbx_cmd_sem);
 	init_MUTEX(&ha->vport_sem);
-	init_MUTEX_LOCKED(&ha->mbx_intr_sem);
+	init_completion(&ha->mbx_cmd_comp);
+	complete(&ha->mbx_cmd_comp);
+	init_completion(&ha->mbx_intr_comp);
 
 	INIT_LIST_HEAD(&ha->list);
 	INIT_LIST_HEAD(&ha->fcports);
@@ -1795,6 +1791,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	qla2x00_init_host_attr(ha);
 
+	qla2x00_dfs_setup(ha);
+
 	qla_printk(KERN_INFO, ha, "\n"
 	    " QLogic Fibre Channel HBA Driver: %s\n"
 	    "  QLogic %s - %s\n"
@@ -1819,13 +1817,15 @@ probe_out:
 	return ret;
 }
 
-static void __devexit
+static void
 qla2x00_remove_one(struct pci_dev *pdev)
 {
 	scsi_qla_host_t *ha;
 
 	ha = pci_get_drvdata(pdev);
 
+	qla2x00_dfs_remove(ha);
+
 	qla2x00_free_sysfs_attr(ha);
 
 	fc_remove_host(ha->host);
@@ -1859,8 +1859,11 @@ qla2x00_free_device(scsi_qla_host_t *ha)
 		kthread_stop(t);
 	}
 
+	if (ha->flags.fce_enabled)
+		qla2x00_disable_fce_trace(ha, NULL, NULL);
+
 	if (ha->eft)
-		qla2x00_trace_control(ha, TC_DISABLE, 0, 0);
+		qla2x00_disable_eft_trace(ha);
 
 	ha->flags.online = 0;
 
@@ -1878,7 +1881,7 @@ qla2x00_free_device(scsi_qla_host_t *ha)
 	/* release io space registers  */
 	if (ha->iobase)
 		iounmap(ha->iobase);
-	pci_release_regions(ha->pdev);
+	pci_release_selected_regions(ha->pdev, ha->bars);
 }
 
 static inline void
@@ -2004,7 +2007,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
 *      0  = success.
 *      1  = failure.
 */
-uint8_t
+static uint8_t
 qla2x00_mem_alloc(scsi_qla_host_t *ha)
 {
 	char	name[16];
@@ -2201,7 +2204,7 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha)
 * Input:
 *      ha = adapter block pointer.
 */
-void
+static void
 qla2x00_mem_free(scsi_qla_host_t *ha)
 {
 	struct list_head	*fcpl, *fcptemp;
@@ -2216,6 +2219,10 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
 	/* free sp pool */
 	qla2x00_free_sp_pool(ha);
 
+	if (ha->fce)
+		dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
+		    ha->fce_dma);
+
 	if (ha->fw_dump) {
 		if (ha->eft)
 			dma_free_coherent(&ha->pdev->dev,
@@ -2437,7 +2444,6 @@ qla2x00_do_dpc(void *data)
 				if (atomic_read(&fcport->state) != FCS_ONLINE &&
 				    fcport->login_retry) {
 
-					fcport->login_retry--;
 					if (fcport->flags & FCF_FABRIC_DEVICE) {
 						if (fcport->flags &
 						    FCF_TAPE_PRESENT)
@@ -2453,6 +2459,7 @@ qla2x00_do_dpc(void *data)
 						    qla2x00_local_device_login(
 							ha, fcport);
 
+					fcport->login_retry--;
 					if (status == QLA_SUCCESS) {
 						fcport->old_loop_id = fcport->loop_id;
 
@@ -2470,6 +2477,8 @@ qla2x00_do_dpc(void *data)
 					} else {
 						fcport->login_retry = 0;
 					}
+					if (fcport->login_retry == 0)
+						fcport->loop_id = FC_NO_LOOP_ID;
 				}
 				if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
 					break;
@@ -2734,23 +2743,6 @@ qla2x00_timer(scsi_qla_host_t *ha)
 	qla2x00_restart_timer(ha, WATCH_INTERVAL);
 }
 
-/* XXX(hch): crude hack to emulate a down_timeout() */
-int
-qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
-{
-	const unsigned int step = 100; /* msecs */
-	unsigned int iterations = jiffies_to_msecs(timeout)/100;
-
-	do {
-		if (!down_trylock(sema))
-			return 0;
-		if (msleep_interruptible(step))
-			break;
-	} while (--iterations > 0);
-
-	return -ETIMEDOUT;
-}
-
 /* Firmware interface routines. */
 
 #define FW_BLOBS	6
@@ -2886,7 +2878,7 @@ qla2xxx_pci_slot_reset(struct pci_dev *pdev)
 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
 	scsi_qla_host_t *ha = pci_get_drvdata(pdev);
 
-	if (pci_enable_device(pdev)) {
+	if (pci_enable_device_bars(pdev, ha->bars)) {
 		qla_printk(KERN_WARNING, ha,
 		    "Can't re-enable PCI device after reset.\n");
 
@@ -2951,7 +2943,7 @@ static struct pci_driver qla2xxx_pci_driver = {
 	},
 	.id_table	= qla2xxx_pci_tbl,
 	.probe		= qla2x00_probe_one,
-	.remove		= __devexit_p(qla2x00_remove_one),
+	.remove		= qla2x00_remove_one,
 	.err_handler	= &qla2xxx_err_handler,
 };