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path: root/drivers/block/sunvdc.c
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Diffstat (limited to 'drivers/block/sunvdc.c')
-rw-r--r--drivers/block/sunvdc.c127
1 files changed, 21 insertions, 106 deletions
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 0f5e3caf85d..317a790c153 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -45,8 +45,6 @@ struct vdc_req_entry {
struct vdc_port {
struct vio_driver_state vio;
- struct vdc *vp;
-
struct gendisk *disk;
struct vdc_completion *cmp;
@@ -66,14 +64,11 @@ struct vdc_port {
u64 operations;
u32 vdisk_size;
u8 vdisk_type;
- u8 dev_no;
char disk_name[32];
struct vio_disk_geom geom;
struct vio_disk_vtoc label;
-
- struct list_head list;
};
static inline struct vdc_port *to_vdc_port(struct vio_driver_state *vio)
@@ -81,15 +76,6 @@ static inline struct vdc_port *to_vdc_port(struct vio_driver_state *vio)
return container_of(vio, struct vdc_port, vio);
}
-struct vdc {
- /* Protects prot_list. */
- spinlock_t lock;
-
- struct vio_dev *dev;
-
- struct list_head port_list;
-};
-
/* Ordered from largest major to lowest */
static struct vio_version vdc_versions[] = {
{ .major = 1, .minor = 0 },
@@ -431,7 +417,7 @@ static int __send_request(struct request *req)
desc->req_id = port->req_id;
desc->operation = op;
if (port->vdisk_type == VD_DISK_TYPE_DISK) {
- desc->slice = 2;
+ desc->slice = 0xff;
} else {
desc->slice = 0;
}
@@ -458,7 +444,7 @@ out:
return err;
}
-static void do_vdc_request(request_queue_t *q)
+static void do_vdc_request(struct request_queue *q)
{
while (1) {
struct request *req = elv_next_request(q);
@@ -716,7 +702,7 @@ static int probe_disk(struct vdc_port *port)
blk_queue_max_phys_segments(q, port->ring_cookies);
blk_queue_max_sectors(q, port->max_xfer_size);
g->major = vdc_major;
- g->first_minor = port->dev_no << PARTITION_SHIFT;
+ g->first_minor = port->vio.vdev->dev_no << PARTITION_SHIFT;
strcpy(g->disk_name, port->disk_name);
g->fops = &vdc_fops;
@@ -747,32 +733,29 @@ static struct vio_driver_ops vdc_vio_ops = {
.handshake_complete = vdc_handshake_complete,
};
+static void print_version(void)
+{
+ static int version_printed;
+
+ if (version_printed++ == 0)
+ printk(KERN_INFO "%s", version);
+}
+
static int __devinit vdc_port_probe(struct vio_dev *vdev,
const struct vio_device_id *id)
{
struct mdesc_handle *hp;
struct vdc_port *port;
- unsigned long flags;
- struct vdc *vp;
- const u64 *port_id;
int err;
- vp = dev_get_drvdata(vdev->dev.parent);
- if (!vp) {
- printk(KERN_ERR PFX "Cannot find port parent vdc.\n");
- return -ENODEV;
- }
+ print_version();
hp = mdesc_grab();
- port_id = mdesc_get_property(hp, vdev->mp, "id", NULL);
err = -ENODEV;
- if (!port_id) {
- printk(KERN_ERR PFX "Port lacks id property.\n");
- goto err_out_release_mdesc;
- }
- if ((*port_id << PARTITION_SHIFT) & ~(u64)MINORMASK) {
- printk(KERN_ERR PFX "Port id [%lu] too large.\n", *port_id);
+ if ((vdev->dev_no << PARTITION_SHIFT) & ~(u64)MINORMASK) {
+ printk(KERN_ERR PFX "Port id [%lu] too large.\n",
+ vdev->dev_no);
goto err_out_release_mdesc;
}
@@ -783,17 +766,14 @@ static int __devinit vdc_port_probe(struct vio_dev *vdev,
goto err_out_release_mdesc;
}
- port->vp = vp;
- port->dev_no = *port_id;
-
- if (port->dev_no >= 26)
+ if (vdev->dev_no >= 26)
snprintf(port->disk_name, sizeof(port->disk_name),
VDCBLK_NAME "%c%c",
- 'a' + (port->dev_no / 26) - 1,
- 'a' + (port->dev_no % 26));
+ 'a' + ((int)vdev->dev_no / 26) - 1,
+ 'a' + ((int)vdev->dev_no % 26));
else
snprintf(port->disk_name, sizeof(port->disk_name),
- VDCBLK_NAME "%c", 'a' + (port->dev_no % 26));
+ VDCBLK_NAME "%c", 'a' + ((int)vdev->dev_no % 26));
err = vio_driver_init(&port->vio, vdev, VDEV_DISK,
vdc_versions, ARRAY_SIZE(vdc_versions),
@@ -818,12 +798,6 @@ static int __devinit vdc_port_probe(struct vio_dev *vdev,
if (err)
goto err_out_free_tx_ring;
- INIT_LIST_HEAD(&port->list);
-
- spin_lock_irqsave(&vp->lock, flags);
- list_add(&port->list, &vp->port_list);
- spin_unlock_irqrestore(&vp->lock, flags);
-
dev_set_drvdata(&vdev->dev, port);
mdesc_release(hp);
@@ -867,7 +841,7 @@ static struct vio_device_id vdc_port_match[] = {
},
{},
};
-MODULE_DEVICE_TABLE(vio, vdc_match);
+MODULE_DEVICE_TABLE(vio, vdc_port_match);
static struct vio_driver vdc_port_driver = {
.id_table = vdc_port_match,
@@ -879,58 +853,6 @@ static struct vio_driver vdc_port_driver = {
}
};
-static int __devinit vdc_probe(struct vio_dev *vdev,
- const struct vio_device_id *id)
-{
- static int vdc_version_printed;
- struct vdc *vp;
-
- if (vdc_version_printed++ == 0)
- printk(KERN_INFO "%s", version);
-
- vp = kzalloc(sizeof(struct vdc), GFP_KERNEL);
- if (!vp)
- return -ENOMEM;
-
- spin_lock_init(&vp->lock);
- vp->dev = vdev;
- INIT_LIST_HEAD(&vp->port_list);
-
- dev_set_drvdata(&vdev->dev, vp);
-
- return 0;
-}
-
-static int vdc_remove(struct vio_dev *vdev)
-{
-
- struct vdc *vp = dev_get_drvdata(&vdev->dev);
-
- if (vp) {
- kfree(vp);
- dev_set_drvdata(&vdev->dev, NULL);
- }
- return 0;
-}
-
-static struct vio_device_id vdc_match[] = {
- {
- .type = "block",
- },
- {},
-};
-MODULE_DEVICE_TABLE(vio, vdc_match);
-
-static struct vio_driver vdc_driver = {
- .id_table = vdc_match,
- .probe = vdc_probe,
- .remove = vdc_remove,
- .driver = {
- .name = "vdc",
- .owner = THIS_MODULE,
- }
-};
-
static int __init vdc_init(void)
{
int err;
@@ -940,19 +862,13 @@ static int __init vdc_init(void)
goto out_err;
vdc_major = err;
- err = vio_register_driver(&vdc_driver);
- if (err)
- goto out_unregister_blkdev;
err = vio_register_driver(&vdc_port_driver);
if (err)
- goto out_unregister_vdc;
+ goto out_unregister_blkdev;
return 0;
-out_unregister_vdc:
- vio_unregister_driver(&vdc_driver);
-
out_unregister_blkdev:
unregister_blkdev(vdc_major, VDCBLK_NAME);
vdc_major = 0;
@@ -964,7 +880,6 @@ out_err:
static void __exit vdc_exit(void)
{
vio_unregister_driver(&vdc_port_driver);
- vio_unregister_driver(&vdc_driver);
unregister_blkdev(vdc_major, VDCBLK_NAME);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 02:42:34 +0000