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path: root/drivers/scsi/device_handler/scsi_dh_hp_sw.c
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Diffstat (limited to 'drivers/scsi/device_handler/scsi_dh_hp_sw.c')
-rw-r--r--drivers/scsi/device_handler/scsi_dh_hp_sw.c86
1 files changed, 32 insertions, 54 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index ae6be87d6a83..78259bc5dfc9 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -108,85 +108,63 @@ done:
return ret;
}
-static const struct {
- char *vendor;
- char *model;
-} hp_sw_dh_data_list[] = {
+const struct scsi_dh_devlist hp_sw_dh_data_list[] = {
{"COMPAQ", "MSA"},
{"HP", "HSV"},
{"DEC", "HSG80"},
{NULL, NULL},
};
-static int hp_sw_bus_notify(struct notifier_block *, unsigned long, void *);
+static int hp_sw_bus_attach(struct scsi_device *sdev);
+static void hp_sw_bus_detach(struct scsi_device *sdev);
static struct scsi_device_handler hp_sw_dh = {
.name = HP_SW_NAME,
.module = THIS_MODULE,
- .nb.notifier_call = hp_sw_bus_notify,
+ .devlist = hp_sw_dh_data_list,
+ .attach = hp_sw_bus_attach,
+ .detach = hp_sw_bus_detach,
.activate = hp_sw_activate,
};
-static int hp_sw_bus_notify(struct notifier_block *nb,
- unsigned long action, void *data)
+static int hp_sw_bus_attach(struct scsi_device *sdev)
{
- struct device *dev = data;
- struct scsi_device *sdev;
struct scsi_dh_data *scsi_dh_data;
- int i, found = 0;
unsigned long flags;
- if (!scsi_is_sdev_device(dev))
+ scsi_dh_data = kzalloc(sizeof(struct scsi_device_handler *)
+ + sizeof(struct hp_sw_dh_data) , GFP_KERNEL);
+ if (!scsi_dh_data) {
+ sdev_printk(KERN_ERR, sdev, "Attach Failed %s.\n",
+ HP_SW_NAME);
return 0;
+ }
- sdev = to_scsi_device(dev);
-
- if (action == BUS_NOTIFY_ADD_DEVICE) {
- for (i = 0; hp_sw_dh_data_list[i].vendor; i++) {
- if (!strncmp(sdev->vendor, hp_sw_dh_data_list[i].vendor,
- strlen(hp_sw_dh_data_list[i].vendor)) &&
- !strncmp(sdev->model, hp_sw_dh_data_list[i].model,
- strlen(hp_sw_dh_data_list[i].model))) {
- found = 1;
- break;
- }
- }
- if (!found)
- goto out;
-
- scsi_dh_data = kzalloc(sizeof(struct scsi_device_handler *)
- + sizeof(struct hp_sw_dh_data) , GFP_KERNEL);
- if (!scsi_dh_data) {
- sdev_printk(KERN_ERR, sdev, "Attach Failed %s.\n",
- HP_SW_NAME);
- goto out;
- }
+ scsi_dh_data->scsi_dh = &hp_sw_dh;
+ spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
+ sdev->scsi_dh_data = scsi_dh_data;
+ spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);
+ try_module_get(THIS_MODULE);
- scsi_dh_data->scsi_dh = &hp_sw_dh;
- spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
- sdev->scsi_dh_data = scsi_dh_data;
- spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);
- try_module_get(THIS_MODULE);
+ sdev_printk(KERN_NOTICE, sdev, "Attached %s.\n", HP_SW_NAME);
- sdev_printk(KERN_NOTICE, sdev, "Attached %s.\n", HP_SW_NAME);
- } else if (action == BUS_NOTIFY_DEL_DEVICE) {
- if (sdev->scsi_dh_data == NULL ||
- sdev->scsi_dh_data->scsi_dh != &hp_sw_dh)
- goto out;
+ return 0;
+}
- spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
- scsi_dh_data = sdev->scsi_dh_data;
- sdev->scsi_dh_data = NULL;
- spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);
- module_put(THIS_MODULE);
+static void hp_sw_bus_detach( struct scsi_device *sdev )
+{
+ struct scsi_dh_data *scsi_dh_data;
+ unsigned long flags;
- sdev_printk(KERN_NOTICE, sdev, "Dettached %s.\n", HP_SW_NAME);
+ spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
+ scsi_dh_data = sdev->scsi_dh_data;
+ sdev->scsi_dh_data = NULL;
+ spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);
+ module_put(THIS_MODULE);
- kfree(scsi_dh_data);
- }
+ sdev_printk(KERN_NOTICE, sdev, "Detached %s\n", HP_SW_NAME);
-out:
- return 0;
+ kfree(scsi_dh_data);
}
static int __init hp_sw_init(void)