Merge branch 'next' into for-linus

Prepare input updates for 6.11 merge window.

1 files changed, 69 insertions, 23 deletions

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 9415a4819470..0614b7e366b7 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -61,7 +61,9 @@ static atomic_t pmcraid_adapter_count = ATOMIC_INIT(0);
  * pmcraid_minor - minor number(s) to use
  */
 static unsigned int pmcraid_major;
-static struct class *pmcraid_class;
+static const struct class pmcraid_class = {
+	.name = PMCRAID_DEVFILE,
+};
 static DECLARE_BITMAP(pmcraid_minor, PMCRAID_MAX_ADAPTERS);
 
 /*
@@ -2679,7 +2681,7 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
 /**
  * pmcraid_reset_device - device reset handler functions
  *
- * @scsi_cmd: scsi command struct
+ * @scsi_dev: scsi device struct
  * @timeout: command timeout
  * @modifier: reset modifier indicating the reset sequence to be performed
  *
@@ -2691,7 +2693,7 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd)
  *	SUCCESS / FAILED
  */
 static int pmcraid_reset_device(
-	struct scsi_cmnd *scsi_cmd,
+	struct scsi_device *scsi_dev,
 	unsigned long timeout,
 	u8 modifier)
 {
@@ -2703,11 +2705,11 @@ static int pmcraid_reset_device(
 	u32 ioasc;
 
 	pinstance =
-		(struct pmcraid_instance *)scsi_cmd->device->host->hostdata;
-	res = scsi_cmd->device->hostdata;
+		(struct pmcraid_instance *)scsi_dev->host->hostdata;
+	res = scsi_dev->hostdata;
 
 	if (!res) {
-		sdev_printk(KERN_ERR, scsi_cmd->device,
+		sdev_printk(KERN_ERR, scsi_dev,
 			    "reset_device: NULL resource pointer\n");
 		return FAILED;
 	}
@@ -3018,27 +3020,72 @@ static int pmcraid_eh_device_reset_handler(struct scsi_cmnd *scmd)
 {
 	scmd_printk(KERN_INFO, scmd,
 		    "resetting device due to an I/O command timeout.\n");
-	return pmcraid_reset_device(scmd,
+	return pmcraid_reset_device(scmd->device,
 				    PMCRAID_INTERNAL_TIMEOUT,
 				    RESET_DEVICE_LUN);
 }
 
 static int pmcraid_eh_bus_reset_handler(struct scsi_cmnd *scmd)
 {
-	scmd_printk(KERN_INFO, scmd,
+	struct Scsi_Host *host = scmd->device->host;
+	struct pmcraid_instance *pinstance =
+		(struct pmcraid_instance *)host->hostdata;
+	struct pmcraid_resource_entry *res = NULL;
+	struct pmcraid_resource_entry *temp;
+	struct scsi_device *sdev = NULL;
+	unsigned long lock_flags;
+
+	/*
+	 * The reset device code insists on us passing down
+	 * a device, so grab the first device on the bus.
+	 */
+	spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
+	list_for_each_entry(temp, &pinstance->used_res_q, queue) {
+		if (scmd->device->channel == PMCRAID_VSET_BUS_ID &&
+		    RES_IS_VSET(temp->cfg_entry)) {
+			res = temp;
+			break;
+		} else if (scmd->device->channel == PMCRAID_PHYS_BUS_ID &&
+			   RES_IS_GSCSI(temp->cfg_entry)) {
+			res = temp;
+			break;
+		}
+	}
+	if (res)
+		sdev = res->scsi_dev;
+	spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags);
+	if (!sdev)
+		return FAILED;
+
+	sdev_printk(KERN_INFO, sdev,
 		    "Doing bus reset due to an I/O command timeout.\n");
-	return pmcraid_reset_device(scmd,
+	return pmcraid_reset_device(sdev,
 				    PMCRAID_RESET_BUS_TIMEOUT,
 				    RESET_DEVICE_BUS);
 }
 
 static int pmcraid_eh_target_reset_handler(struct scsi_cmnd *scmd)
 {
-	scmd_printk(KERN_INFO, scmd,
+	struct Scsi_Host *shost = scmd->device->host;
+	struct scsi_device *scsi_dev = NULL, *tmp;
+	int ret;
+
+	shost_for_each_device(tmp, shost) {
+		if ((tmp->channel == scmd->device->channel) &&
+		    (tmp->id == scmd->device->id)) {
+			scsi_dev = tmp;
+			break;
+		}
+	}
+	if (!scsi_dev)
+		return FAILED;
+	sdev_printk(KERN_INFO, scsi_dev,
 		    "Doing target reset due to an I/O command timeout.\n");
-	return pmcraid_reset_device(scmd,
-				    PMCRAID_INTERNAL_TIMEOUT,
-				    RESET_DEVICE_TARGET);
+	ret = pmcraid_reset_device(scsi_dev,
+				   PMCRAID_INTERNAL_TIMEOUT,
+				   RESET_DEVICE_TARGET);
+	scsi_device_put(scsi_dev);
+	return ret;
 }
 
 /**
@@ -3584,8 +3631,7 @@ static ssize_t pmcraid_show_adapter_id(
 	struct Scsi_Host *shost = class_to_shost(dev);
 	struct pmcraid_instance *pinstance =
 		(struct pmcraid_instance *)shost->hostdata;
-	u32 adapter_id = (pinstance->pdev->bus->number << 8) |
-		pinstance->pdev->devfn;
+	u32 adapter_id = pci_dev_id(pinstance->pdev);
 	u32 aen_group = pmcraid_event_family.id;
 
 	return snprintf(buf, PAGE_SIZE,
@@ -4679,7 +4725,7 @@ static int pmcraid_setup_chrdev(struct pmcraid_instance *pinstance)
 	if (error)
 		pmcraid_release_minor(minor);
 	else
-		device_create(pmcraid_class, NULL, MKDEV(pmcraid_major, minor),
+		device_create(&pmcraid_class, NULL, MKDEV(pmcraid_major, minor),
 			      NULL, "%s%u", PMCRAID_DEVFILE, minor);
 	return error;
 }
@@ -4695,7 +4741,7 @@ static int pmcraid_setup_chrdev(struct pmcraid_instance *pinstance)
 static void pmcraid_release_chrdev(struct pmcraid_instance *pinstance)
 {
 	pmcraid_release_minor(MINOR(pinstance->cdev.dev));
-	device_destroy(pmcraid_class,
+	device_destroy(&pmcraid_class,
 		       MKDEV(pmcraid_major, MINOR(pinstance->cdev.dev)));
 	cdev_del(&pinstance->cdev);
 }
@@ -5346,10 +5392,10 @@ static int __init pmcraid_init(void)
 	}
 
 	pmcraid_major = MAJOR(dev);
-	pmcraid_class = class_create(PMCRAID_DEVFILE);
 
-	if (IS_ERR(pmcraid_class)) {
-		error = PTR_ERR(pmcraid_class);
+	error = class_register(&pmcraid_class);
+
+	if (error) {
 		pmcraid_err("failed to register with sysfs, error = %x\n",
 			    error);
 		goto out_unreg_chrdev;
@@ -5358,7 +5404,7 @@ static int __init pmcraid_init(void)
 	error = pmcraid_netlink_init();
 
 	if (error) {
-		class_destroy(pmcraid_class);
+		class_unregister(&pmcraid_class);
 		goto out_unreg_chrdev;
 	}
 
@@ -5369,7 +5415,7 @@ static int __init pmcraid_init(void)
 
 	pmcraid_err("failed to register pmcraid driver, error = %x\n",
 		     error);
-	class_destroy(pmcraid_class);
+	class_unregister(&pmcraid_class);
 	pmcraid_netlink_release();
 
 out_unreg_chrdev:
@@ -5388,7 +5434,7 @@ static void __exit pmcraid_exit(void)
 	unregister_chrdev_region(MKDEV(pmcraid_major, 0),
 				 PMCRAID_MAX_ADAPTERS);
 	pci_unregister_driver(&pmcraid_driver);
-	class_destroy(pmcraid_class);
+	class_unregister(&pmcraid_class);
 }
 
 module_init(pmcraid_init);