[SCSI] ipr: Make adapter operational timeout be per adapter type

Some ipr adapters may take longer than others to come operational.
This patch makes this timeout different for different adapters,
while still preserving the module parameter which can be used
to globally override the default.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

2 files changed, 26 insertions, 8 deletions

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 95045e3..ba17ac5 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -89,7 +89,7 @@ static unsigned int ipr_log_level = IPR_DEFAULT_LOG_LEVEL;
 static unsigned int ipr_max_speed = 1;
 static int ipr_testmode = 0;
 static unsigned int ipr_fastfail = 0;
-static unsigned int ipr_transop_timeout = IPR_OPERATIONAL_TIMEOUT;
+static unsigned int ipr_transop_timeout = 0;
 static unsigned int ipr_enable_cache = 1;
 static unsigned int ipr_debug = 0;
 static int ipr_auto_create = 1;
@@ -6187,7 +6187,7 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 	dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n");
 
 	ipr_cmd->timer.data = (unsigned long) ipr_cmd;
-	ipr_cmd->timer.expires = jiffies + (ipr_transop_timeout * HZ);
+	ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ);
 	ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout;
 	ipr_cmd->done = ipr_reset_ioa_job;
 	add_timer(&ipr_cmd->timer);
@@ -7232,6 +7232,13 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
 		goto out_scsi_host_put;
 	}
 
+	if (ipr_transop_timeout)
+		ioa_cfg->transop_timeout = ipr_transop_timeout;
+	else if (dev_id->driver_data & IPR_USE_LONG_TRANSOP_TIMEOUT)
+		ioa_cfg->transop_timeout = IPR_LONG_OPERATIONAL_TIMEOUT;
+	else
+		ioa_cfg->transop_timeout = IPR_OPERATIONAL_TIMEOUT;
+
 	ipr_regs_pci = pci_resource_start(pdev, 0);
 
 	rc = pci_request_regions(pdev, IPR_NAME);
@@ -7539,29 +7546,35 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = {
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE,
 		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, 0 },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0,
+		IPR_USE_LONG_TRANSOP_TIMEOUT },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
 	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
 	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, 0 },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0,
+	      IPR_USE_LONG_TRANSOP_TIMEOUT },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
 	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
 	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, 0 },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0,
+	      IPR_USE_LONG_TRANSOP_TIMEOUT },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, 0 },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0,
+	      IPR_USE_LONG_TRANSOP_TIMEOUT },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE,
 		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
 		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, 0 },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0,
+		IPR_USE_LONG_TRANSOP_TIMEOUT },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, 0 },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0,
+		IPR_USE_LONG_TRANSOP_TIMEOUT },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, ipr_pci_table);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 88f285d..c83ccbb 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -104,6 +104,9 @@
 #define IPR_IOASC_IOA_WAS_RESET			0x10000001
 #define IPR_IOASC_PCI_ACCESS_ERROR			0x10000002
 
+/* Driver data flags */
+#define IPR_USE_LONG_TRANSOP_TIMEOUT		0x00000001
+
 #define IPR_DEFAULT_MAX_ERROR_DUMP			984
 #define IPR_NUM_LOG_HCAMS				2
 #define IPR_NUM_CFG_CHG_HCAMS				2
@@ -179,6 +182,7 @@
 #define IPR_SET_SUP_DEVICE_TIMEOUT		(2 * 60 * HZ)
 #define IPR_REQUEST_SENSE_TIMEOUT		(10 * HZ)
 #define IPR_OPERATIONAL_TIMEOUT		(5 * 60)
+#define IPR_LONG_OPERATIONAL_TIMEOUT	(12 * 60)
 #define IPR_WAIT_FOR_RESET_TIMEOUT		(2 * HZ)
 #define IPR_CHECK_FOR_RESET_TIMEOUT		(HZ / 10)
 #define IPR_WAIT_FOR_BIST_TIMEOUT		(2 * HZ)
@@ -1119,6 +1123,7 @@ struct ipr_ioa_cfg {
 
 	struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];
 
+	unsigned int transop_timeout;
 	const struct ipr_chip_cfg_t *chip_cfg;
 
 	void __iomem *hdw_dma_regs;	/* iomapped PCI memory space */