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path: root/drivers/block/viodasd.c
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Diffstat (limited to 'drivers/block/viodasd.c')
-rw-r--r--drivers/block/viodasd.c91
1 files changed, 38 insertions, 53 deletions
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index a8c8b56b275e..788d93882ab9 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -28,6 +28,9 @@
* All disk operations are performed by sending messages back and forth to
* the OS/400 partition.
*/
+
+#define pr_fmt(fmt) "viod: " fmt
+
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/module.h>
@@ -63,9 +66,6 @@ MODULE_LICENSE("GPL");
#define VIOD_VERS "1.64"
-#define VIOD_KERN_WARNING KERN_WARNING "viod: "
-#define VIOD_KERN_INFO KERN_INFO "viod: "
-
enum {
PARTITION_SHIFT = 3,
MAX_DISKNO = HVMAXARCHITECTEDVIRTUALDISKS,
@@ -156,7 +156,7 @@ static int viodasd_open(struct block_device *bdev, fmode_t mode)
((u64)DEVICE_NO(d) << 48) | ((u64)flags << 32),
0, 0, 0);
if (hvrc != 0) {
- printk(VIOD_KERN_WARNING "HV open failed %d\n", (int)hvrc);
+ pr_warning("HV open failed %d\n", (int)hvrc);
return -EIO;
}
@@ -167,9 +167,8 @@ static int viodasd_open(struct block_device *bdev, fmode_t mode)
const struct vio_error_entry *err =
vio_lookup_rc(viodasd_err_table, we.sub_result);
- printk(VIOD_KERN_WARNING
- "bad rc opening disk: %d:0x%04x (%s)\n",
- (int)we.rc, we.sub_result, err->msg);
+ pr_warning("bad rc opening disk: %d:0x%04x (%s)\n",
+ (int)we.rc, we.sub_result, err->msg);
return -EIO;
}
@@ -195,8 +194,7 @@ static int viodasd_release(struct gendisk *disk, fmode_t mode)
((u64)DEVICE_NO(d) << 48) /* | ((u64)flags << 32) */,
0, 0, 0);
if (hvrc != 0)
- printk(VIOD_KERN_WARNING "HV close call failed %d\n",
- (int)hvrc);
+ pr_warning("HV close call failed %d\n", (int)hvrc);
return 0;
}
@@ -288,8 +286,7 @@ static int send_request(struct request *req)
bevent = (struct vioblocklpevent *)
vio_get_event_buffer(viomajorsubtype_blockio);
if (bevent == NULL) {
- printk(VIOD_KERN_WARNING
- "error allocating disk event buffer\n");
+ pr_warning("error allocating disk event buffer\n");
goto error_ret;
}
@@ -333,9 +330,8 @@ static int send_request(struct request *req)
}
if (hvrc != HvLpEvent_Rc_Good) {
- printk(VIOD_KERN_WARNING
- "error sending disk event to OS/400 (rc %d)\n",
- (int)hvrc);
+ pr_warning("error sending disk event to OS/400 (rc %d)\n",
+ (int)hvrc);
goto error_ret;
}
spin_unlock_irqrestore(&viodasd_spinlock, flags);
@@ -402,7 +398,7 @@ retry:
((u64)dev_no << 48) | ((u64)flags<< 32),
0, 0, 0);
if (hvrc != 0) {
- printk(VIOD_KERN_WARNING "bad rc on HV open %d\n", (int)hvrc);
+ pr_warning("bad rc on HV open %d\n", (int)hvrc);
return 0;
}
@@ -416,9 +412,8 @@ retry:
goto retry;
}
if (we.max_disk > (MAX_DISKNO - 1)) {
- printk_once(VIOD_KERN_INFO
- "Only examining the first %d of %d disks connected\n",
- MAX_DISKNO, we.max_disk + 1);
+ printk_once(KERN_INFO pr_fmt("Only examining the first %d of %d disks connected\n"),
+ MAX_DISKNO, we.max_disk + 1);
}
/* Send the close event to OS/400. We DON'T expect a response */
@@ -432,17 +427,15 @@ retry:
((u64)dev_no << 48) | ((u64)flags << 32),
0, 0, 0);
if (hvrc != 0) {
- printk(VIOD_KERN_WARNING
- "bad rc sending event to OS/400 %d\n", (int)hvrc);
+ pr_warning("bad rc sending event to OS/400 %d\n", (int)hvrc);
return 0;
}
if (d->dev == NULL) {
/* this is when we reprobe for new disks */
if (vio_create_viodasd(dev_no) == NULL) {
- printk(VIOD_KERN_WARNING
- "cannot allocate virtual device for disk %d\n",
- dev_no);
+ pr_warning("cannot allocate virtual device for disk %d\n",
+ dev_no);
return 0;
}
/*
@@ -457,23 +450,20 @@ retry:
spin_lock_init(&d->q_lock);
q = blk_init_queue(do_viodasd_request, &d->q_lock);
if (q == NULL) {
- printk(VIOD_KERN_WARNING "cannot allocate queue for disk %d\n",
- dev_no);
+ pr_warning("cannot allocate queue for disk %d\n", dev_no);
return 0;
}
g = alloc_disk(1 << PARTITION_SHIFT);
if (g == NULL) {
- printk(VIOD_KERN_WARNING
- "cannot allocate disk structure for disk %d\n",
- dev_no);
+ pr_warning("cannot allocate disk structure for disk %d\n",
+ dev_no);
blk_cleanup_queue(q);
return 0;
}
d->disk = g;
- blk_queue_max_hw_segments(q, VIOMAXBLOCKDMA);
- blk_queue_max_phys_segments(q, VIOMAXBLOCKDMA);
- blk_queue_max_sectors(q, VIODASD_MAXSECTORS);
+ blk_queue_max_segments(q, VIOMAXBLOCKDMA);
+ blk_queue_max_hw_sectors(q, VIODASD_MAXSECTORS);
g->major = VIODASD_MAJOR;
g->first_minor = dev_no << PARTITION_SHIFT;
if (dev_no >= 26)
@@ -489,13 +479,12 @@ retry:
g->driverfs_dev = d->dev;
set_capacity(g, d->size >> 9);
- printk(VIOD_KERN_INFO "disk %d: %lu sectors (%lu MB) "
- "CHS=%d/%d/%d sector size %d%s\n",
- dev_no, (unsigned long)(d->size >> 9),
- (unsigned long)(d->size >> 20),
- (int)d->cylinders, (int)d->tracks,
- (int)d->sectors, (int)d->bytes_per_sector,
- d->read_only ? " (RO)" : "");
+ pr_info("disk %d: %lu sectors (%lu MB) CHS=%d/%d/%d sector size %d%s\n",
+ dev_no, (unsigned long)(d->size >> 9),
+ (unsigned long)(d->size >> 20),
+ (int)d->cylinders, (int)d->tracks,
+ (int)d->sectors, (int)d->bytes_per_sector,
+ d->read_only ? " (RO)" : "");
/* register us in the global list */
add_disk(g);
@@ -580,8 +569,8 @@ static int viodasd_handle_read_write(struct vioblocklpevent *bevent)
if (error) {
const struct vio_error_entry *err;
err = vio_lookup_rc(viodasd_err_table, bevent->sub_result);
- printk(VIOD_KERN_WARNING "read/write error %d:0x%04x (%s)\n",
- event->xRc, bevent->sub_result, err->msg);
+ pr_warning("read/write error %d:0x%04x (%s)\n",
+ event->xRc, bevent->sub_result, err->msg);
num_sect = blk_rq_sectors(req);
}
qlock = req->q->queue_lock;
@@ -606,8 +595,7 @@ static void handle_block_event(struct HvLpEvent *event)
return;
/* First, we should NEVER get an int here...only acks */
if (hvlpevent_is_int(event)) {
- printk(VIOD_KERN_WARNING
- "Yikes! got an int in viodasd event handler!\n");
+ pr_warning("Yikes! got an int in viodasd event handler!\n");
if (hvlpevent_need_ack(event)) {
event->xRc = HvLpEvent_Rc_InvalidSubtype;
HvCallEvent_ackLpEvent(event);
@@ -650,7 +638,7 @@ static void handle_block_event(struct HvLpEvent *event)
break;
default:
- printk(VIOD_KERN_WARNING "invalid subtype!");
+ pr_warning("invalid subtype!");
if (hvlpevent_need_ack(event)) {
event->xRc = HvLpEvent_Rc_InvalidSubtype;
HvCallEvent_ackLpEvent(event);
@@ -739,29 +727,26 @@ static int __init viodasd_init(void)
vio_set_hostlp();
if (viopath_hostLp == HvLpIndexInvalid) {
- printk(VIOD_KERN_WARNING "invalid hosting partition\n");
+ pr_warning("invalid hosting partition\n");
rc = -EIO;
goto early_fail;
}
- printk(VIOD_KERN_INFO "vers " VIOD_VERS ", hosting partition %d\n",
- viopath_hostLp);
+ pr_info("vers " VIOD_VERS ", hosting partition %d\n", viopath_hostLp);
/* register the block device */
rc = register_blkdev(VIODASD_MAJOR, VIOD_GENHD_NAME);
if (rc) {
- printk(VIOD_KERN_WARNING
- "Unable to get major number %d for %s\n",
- VIODASD_MAJOR, VIOD_GENHD_NAME);
+ pr_warning("Unable to get major number %d for %s\n",
+ VIODASD_MAJOR, VIOD_GENHD_NAME);
goto early_fail;
}
/* Actually open the path to the hosting partition */
rc = viopath_open(viopath_hostLp, viomajorsubtype_blockio,
VIOMAXREQ + 2);
if (rc) {
- printk(VIOD_KERN_WARNING
- "error opening path to host partition %d\n",
- viopath_hostLp);
+ pr_warning("error opening path to host partition %d\n",
+ viopath_hostLp);
goto unregister_blk;
}
@@ -770,7 +755,7 @@ static int __init viodasd_init(void)
rc = vio_register_driver(&viodasd_driver);
if (rc) {
- printk(VIOD_KERN_WARNING "vio_register_driver failed\n");
+ pr_warning("vio_register_driver failed\n");
goto unset_handler;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 18:34:04 +0100