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Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/block/dasd.c32
-rw-r--r--drivers/s390/block/dasd_3990_erp.c2
-rw-r--r--drivers/s390/block/dasd_devmap.c28
-rw-r--r--drivers/s390/block/dasd_eckd.c132
-rw-r--r--drivers/s390/block/dasd_eer.c6
-rw-r--r--drivers/s390/block/dasd_fba.c4
-rw-r--r--drivers/s390/block/dasd_int.h4
-rw-r--r--drivers/s390/block/dasd_proc.c2
-rw-r--r--drivers/s390/block/dcssblk.c516
-rw-r--r--drivers/s390/block/xpram.c37
-rw-r--r--drivers/s390/char/con3215.c53
-rw-r--r--drivers/s390/char/con3270.c27
-rw-r--r--drivers/s390/char/raw3270.c4
-rw-r--r--drivers/s390/char/sclp_con.c24
-rw-r--r--drivers/s390/char/sclp_vt220.c26
-rw-r--r--drivers/s390/char/tape_3590.c132
-rw-r--r--drivers/s390/char/tape_block.c2
-rw-r--r--drivers/s390/char/tape_core.c21
-rw-r--r--drivers/s390/char/tape_proc.c2
-rw-r--r--drivers/s390/char/tape_std.c13
-rw-r--r--drivers/s390/char/vmlogrdr.c5
-rw-r--r--drivers/s390/char/vmur.c6
-rw-r--r--drivers/s390/cio/blacklist.c11
-rw-r--r--drivers/s390/cio/ccwgroup.c3
-rw-r--r--drivers/s390/cio/chp.c3
-rw-r--r--drivers/s390/cio/chsc_sch.c2
-rw-r--r--drivers/s390/cio/cio.c56
-rw-r--r--drivers/s390/cio/cio.h4
-rw-r--r--drivers/s390/cio/css.c4
-rw-r--r--drivers/s390/cio/device.c118
-rw-r--r--drivers/s390/cio/device.h1
-rw-r--r--drivers/s390/cio/device_fsm.c6
-rw-r--r--drivers/s390/cio/device_ops.c2
-rw-r--r--drivers/s390/cio/io_sch.h22
-rw-r--r--drivers/s390/cio/ioasm.h49
-rw-r--r--drivers/s390/cio/qdio.h11
-rw-r--r--drivers/s390/cio/qdio_debug.c2
-rw-r--r--drivers/s390/cio/qdio_main.c32
-rw-r--r--drivers/s390/crypto/ap_bus.c4
-rw-r--r--drivers/s390/kvm/kvm_virtio.c15
-rw-r--r--drivers/s390/net/claw.c36
-rw-r--r--drivers/s390/net/claw.h2
-rw-r--r--drivers/s390/net/ctcm_main.c22
-rw-r--r--drivers/s390/net/ctcm_main.h2
-rw-r--r--drivers/s390/net/lcs.c34
-rw-r--r--drivers/s390/net/netiucv.c2
-rw-r--r--drivers/s390/net/qeth_core.h10
-rw-r--r--drivers/s390/net/qeth_core_main.c10
-rw-r--r--drivers/s390/s390_rdev.c2
-rw-r--r--drivers/s390/scsi/zfcp_aux.c7
-rw-r--r--drivers/s390/scsi/zfcp_def.h4
-rw-r--r--drivers/s390/scsi/zfcp_erp.c2
-rw-r--r--drivers/s390/scsi/zfcp_sysfs.c2
53 files changed, 1045 insertions, 513 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index acb78017e7d..0a225ccda02 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -215,7 +215,7 @@ static int dasd_state_known_to_basic(struct dasd_device *device)
return rc;
}
/* register 'device' debug area, used for all DBF_DEV_XXX calls */
- device->debug_area = debug_register(device->cdev->dev.bus_id, 1, 1,
+ device->debug_area = debug_register(dev_name(&device->cdev->dev), 1, 1,
8 * sizeof(long));
debug_register_view(device->debug_area, &debug_sprintf_view);
debug_set_level(device->debug_area, DBF_WARNING);
@@ -933,7 +933,7 @@ static void dasd_handle_killed_request(struct ccw_device *cdev,
MESSAGE(KERN_DEBUG,
"invalid status in handle_killed_request: "
"bus_id %s, status %02x",
- cdev->dev.bus_id, cqr->status);
+ dev_name(&cdev->dev), cqr->status);
return;
}
@@ -942,7 +942,7 @@ static void dasd_handle_killed_request(struct ccw_device *cdev,
device != dasd_device_from_cdev_locked(cdev) ||
strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
return;
}
@@ -982,11 +982,11 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
break;
case -ETIMEDOUT:
printk(KERN_WARNING"%s(%s): request timed out\n",
- __func__, cdev->dev.bus_id);
+ __func__, dev_name(&cdev->dev));
break;
default:
printk(KERN_WARNING"%s(%s): unknown error %ld\n",
- __func__, cdev->dev.bus_id, PTR_ERR(irb));
+ __func__, dev_name(&cdev->dev), PTR_ERR(irb));
}
dasd_handle_killed_request(cdev, intparm);
return;
@@ -995,7 +995,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
now = get_clock();
DBF_EVENT(DBF_ERR, "Interrupt: bus_id %s CS/DS %04x ip %08x",
- cdev->dev.bus_id, ((irb->scsw.cmd.cstat << 8) |
+ dev_name(&cdev->dev), ((irb->scsw.cmd.cstat << 8) |
irb->scsw.cmd.dstat), (unsigned int) intparm);
/* check for unsolicited interrupts */
@@ -1019,7 +1019,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
if (!device ||
strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
return;
}
@@ -1037,7 +1037,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
if (cqr->status != DASD_CQR_IN_IO) {
MESSAGE(KERN_DEBUG,
"invalid status: bus_id %s, status %02x",
- cdev->dev.bus_id, cqr->status);
+ dev_name(&cdev->dev), cqr->status);
return;
}
DBF_DEV_EVENT(DBF_DEBUG, device, "Int: CS/DS 0x%04x for cqr %p",
@@ -2134,14 +2134,14 @@ int dasd_generic_probe(struct ccw_device *cdev,
if (ret) {
printk(KERN_WARNING
"dasd_generic_probe: could not set ccw-device options "
- "for %s\n", cdev->dev.bus_id);
+ "for %s\n", dev_name(&cdev->dev));
return ret;
}
ret = dasd_add_sysfs_files(cdev);
if (ret) {
printk(KERN_WARNING
"dasd_generic_probe: could not add sysfs entries "
- "for %s\n", cdev->dev.bus_id);
+ "for %s\n", dev_name(&cdev->dev));
return ret;
}
cdev->handler = &dasd_int_handler;
@@ -2152,13 +2152,13 @@ int dasd_generic_probe(struct ccw_device *cdev,
* initial probe.
*/
if ((dasd_get_feature(cdev, DASD_FEATURE_INITIAL_ONLINE) > 0 ) ||
- (dasd_autodetect && dasd_busid_known(cdev->dev.bus_id) != 0))
+ (dasd_autodetect && dasd_busid_known(dev_name(&cdev->dev)) != 0))
ret = ccw_device_set_online(cdev);
if (ret)
printk(KERN_WARNING
"dasd_generic_probe: could not initially "
"online ccw-device %s; return code: %d\n",
- cdev->dev.bus_id, ret);
+ dev_name(&cdev->dev), ret);
return 0;
}
@@ -2224,7 +2224,7 @@ int dasd_generic_set_online(struct ccw_device *cdev,
printk (KERN_WARNING
"dasd_generic couldn't online device %s "
"- discipline DIAG not available\n",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
dasd_delete_device(device);
return -ENODEV;
}
@@ -2248,7 +2248,7 @@ int dasd_generic_set_online(struct ccw_device *cdev,
printk (KERN_WARNING
"dasd_generic couldn't online device %s "
"with discipline %s rc=%i\n",
- cdev->dev.bus_id, discipline->name, rc);
+ dev_name(&cdev->dev), discipline->name, rc);
module_put(discipline->owner);
module_put(base_discipline->owner);
dasd_delete_device(device);
@@ -2259,7 +2259,7 @@ int dasd_generic_set_online(struct ccw_device *cdev,
if (device->state <= DASD_STATE_KNOWN) {
printk (KERN_WARNING
"dasd_generic discipline not found for %s\n",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
rc = -ENODEV;
dasd_set_target_state(device, DASD_STATE_NEW);
if (device->block)
@@ -2267,7 +2267,7 @@ int dasd_generic_set_online(struct ccw_device *cdev,
dasd_delete_device(device);
} else
pr_debug("dasd_generic device %s found\n",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
/* FIXME: we have to wait for the root device but we don't want
* to wait for each single device but for all at once. */
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 5c6e6f331cb..b8f9c00633f 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -1397,7 +1397,7 @@ static struct dasd_ccw_req *dasd_3990_erp_inspect_alias(
DEV_MESSAGE(KERN_ERR, cqr->startdev,
"ERP on alias device for request %p,"
" recover on base device %s", cqr,
- cqr->block->base->cdev->dev.bus_id);
+ dev_name(&cqr->block->base->cdev->dev));
}
dasd_eckd_reset_ccw_to_base_io(cqr);
erp->startdev = cqr->block->base;
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index cd3335c1c30..921443b01d1 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -515,9 +515,9 @@ dasd_devmap_from_cdev(struct ccw_device *cdev)
{
struct dasd_devmap *devmap;
- devmap = dasd_find_busid(cdev->dev.bus_id);
+ devmap = dasd_find_busid(dev_name(&cdev->dev));
if (IS_ERR(devmap))
- devmap = dasd_add_busid(cdev->dev.bus_id,
+ devmap = dasd_add_busid(dev_name(&cdev->dev),
DASD_FEATURE_DEFAULT);
return devmap;
}
@@ -584,7 +584,7 @@ dasd_delete_device(struct dasd_device *device)
unsigned long flags;
/* First remove device pointer from devmap. */
- devmap = dasd_find_busid(device->cdev->dev.bus_id);
+ devmap = dasd_find_busid(dev_name(&device->cdev->dev));
BUG_ON(IS_ERR(devmap));
spin_lock(&dasd_devmap_lock);
if (devmap->device != device) {
@@ -674,7 +674,7 @@ dasd_ro_show(struct device *dev, struct device_attribute *attr, char *buf)
struct dasd_devmap *devmap;
int ro_flag;
- devmap = dasd_find_busid(dev->bus_id);
+ devmap = dasd_find_busid(dev_name(dev));
if (!IS_ERR(devmap))
ro_flag = (devmap->features & DASD_FEATURE_READONLY) != 0;
else
@@ -723,7 +723,7 @@ dasd_erplog_show(struct device *dev, struct device_attribute *attr, char *buf)
struct dasd_devmap *devmap;
int erplog;
- devmap = dasd_find_busid(dev->bus_id);
+ devmap = dasd_find_busid(dev_name(dev));
if (!IS_ERR(devmap))
erplog = (devmap->features & DASD_FEATURE_ERPLOG) != 0;
else
@@ -770,7 +770,7 @@ dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf)
struct dasd_devmap *devmap;
int use_diag;
- devmap = dasd_find_busid(dev->bus_id);
+ devmap = dasd_find_busid(dev_name(dev));
if (!IS_ERR(devmap))
use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0;
else
@@ -876,7 +876,7 @@ dasd_alias_show(struct device *dev, struct device_attribute *attr, char *buf)
struct dasd_devmap *devmap;
int alias;
- devmap = dasd_find_busid(dev->bus_id);
+ devmap = dasd_find_busid(dev_name(dev));
spin_lock(&dasd_devmap_lock);
if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) {
spin_unlock(&dasd_devmap_lock);
@@ -899,7 +899,7 @@ dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf)
struct dasd_devmap *devmap;
char *vendor;
- devmap = dasd_find_busid(dev->bus_id);
+ devmap = dasd_find_busid(dev_name(dev));
spin_lock(&dasd_devmap_lock);
if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0)
vendor = devmap->uid.vendor;
@@ -924,7 +924,7 @@ dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf)
char ua_string[3];
struct dasd_uid *uid;
- devmap = dasd_find_busid(dev->bus_id);
+ devmap = dasd_find_busid(dev_name(dev));
spin_lock(&dasd_devmap_lock);
if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) {
spin_unlock(&dasd_devmap_lock);
@@ -972,7 +972,7 @@ dasd_eer_show(struct device *dev, struct device_attribute *attr, char *buf)
struct dasd_devmap *devmap;
int eer_flag;
- devmap = dasd_find_busid(dev->bus_id);
+ devmap = dasd_find_busid(dev_name(dev));
if (!IS_ERR(devmap) && devmap->device)
eer_flag = dasd_eer_enabled(devmap->device);
else
@@ -1034,7 +1034,7 @@ dasd_get_uid(struct ccw_device *cdev, struct dasd_uid *uid)
{
struct dasd_devmap *devmap;
- devmap = dasd_find_busid(cdev->dev.bus_id);
+ devmap = dasd_find_busid(dev_name(&cdev->dev));
if (IS_ERR(devmap))
return PTR_ERR(devmap);
spin_lock(&dasd_devmap_lock);
@@ -1057,7 +1057,7 @@ dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid)
{
struct dasd_devmap *devmap;
- devmap = dasd_find_busid(cdev->dev.bus_id);
+ devmap = dasd_find_busid(dev_name(&cdev->dev));
if (IS_ERR(devmap))
return PTR_ERR(devmap);
@@ -1077,7 +1077,7 @@ dasd_get_feature(struct ccw_device *cdev, int feature)
{
struct dasd_devmap *devmap;
- devmap = dasd_find_busid(cdev->dev.bus_id);
+ devmap = dasd_find_busid(dev_name(&cdev->dev));
if (IS_ERR(devmap))
return PTR_ERR(devmap);
@@ -1093,7 +1093,7 @@ dasd_set_feature(struct ccw_device *cdev, int feature, int flag)
{
struct dasd_devmap *devmap;
- devmap = dasd_find_busid(cdev->dev.bus_id);
+ devmap = dasd_find_busid(dev_name(&cdev->dev));
if (IS_ERR(devmap))
return PTR_ERR(devmap);
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 773b3fe275b..49f9d221e23 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -6,6 +6,8 @@
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ * EMC Symmetrix ioctl Copyright EMC Corporation, 2008
+ * Author.........: Nigel Hislop <hislop_nigel@emc.com>
*
*/
@@ -84,7 +86,7 @@ dasd_eckd_probe (struct ccw_device *cdev)
if (ret) {
printk(KERN_WARNING
"dasd_eckd_probe: could not set ccw-device options "
- "for %s\n", cdev->dev.bus_id);
+ "for %s\n", dev_name(&cdev->dev));
return ret;
}
ret = dasd_generic_probe(cdev, &dasd_eckd_discipline);
@@ -1501,12 +1503,27 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device,
return;
}
- /* just report other unsolicited interrupts */
- DEV_MESSAGE(KERN_DEBUG, device, "%s",
- "unsolicited interrupt received");
- device->discipline->dump_sense(device, NULL, irb);
- dasd_schedule_device_bh(device);
+ if ((irb->scsw.cmd.cc == 1) &&
+ (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) &&
+ (irb->scsw.cmd.actl & SCSW_ACTL_START_PEND) &&
+ (irb->scsw.cmd.stctl & SCSW_STCTL_STATUS_PEND)) {
+ /* fake irb do nothing, they are handled elsewhere */
+ dasd_schedule_device_bh(device);
+ return;
+ }
+
+ if (!(irb->esw.esw0.erw.cons)) {
+ /* just report other unsolicited interrupts */
+ DEV_MESSAGE(KERN_ERR, device, "%s",
+ "unsolicited interrupt received");
+ } else {
+ DEV_MESSAGE(KERN_ERR, device, "%s",
+ "unsolicited interrupt received "
+ "(sense available)");
+ device->discipline->dump_sense(device, NULL, irb);
+ }
+ dasd_schedule_device_bh(device);
return;
};
@@ -2068,6 +2085,103 @@ dasd_eckd_set_attrib(struct dasd_device *device, void __user *argp)
return 0;
}
+/*
+ * Issue syscall I/O to EMC Symmetrix array.
+ * CCWs are PSF and RSSD
+ */
+static int dasd_symm_io(struct dasd_device *device, void __user *argp)
+{
+ struct dasd_symmio_parms usrparm;
+ char *psf_data, *rssd_result;
+ struct dasd_ccw_req *cqr;
+ struct ccw1 *ccw;
+ int rc;
+
+ /* Copy parms from caller */
+ rc = -EFAULT;
+ if (copy_from_user(&usrparm, argp, sizeof(usrparm)))
+ goto out;
+#ifndef CONFIG_64BIT
+ /* Make sure pointers are sane even on 31 bit. */
+ if ((usrparm.psf_data >> 32) != 0 || (usrparm.rssd_result >> 32) != 0) {
+ rc = -EINVAL;
+ goto out;
+ }
+#endif
+ /* alloc I/O data area */
+ psf_data = kzalloc(usrparm.psf_data_len, GFP_KERNEL | GFP_DMA);
+ rssd_result = kzalloc(usrparm.rssd_result_len, GFP_KERNEL | GFP_DMA);
+ if (!psf_data || !rssd_result) {
+ rc = -ENOMEM;
+ goto out_free;
+ }
+
+ /* get syscall header from user space */
+ rc = -EFAULT;
+ if (copy_from_user(psf_data,
+ (void __user *)(unsigned long) usrparm.psf_data,
+ usrparm.psf_data_len))
+ goto out_free;
+
+ /* sanity check on syscall header */
+ if (psf_data[0] != 0x17 && psf_data[1] != 0xce) {
+ rc = -EINVAL;
+ goto out_free;
+ }
+
+ /* setup CCWs for PSF + RSSD */
+ cqr = dasd_smalloc_request("ECKD", 2 , 0, device);
+ if (IS_ERR(cqr)) {
+ DEV_MESSAGE(KERN_WARNING, device, "%s",
+ "Could not allocate initialization request");
+ rc = PTR_ERR(cqr);
+ goto out_free;
+ }
+
+ cqr->startdev = device;
+ cqr->memdev = device;
+ cqr->retries = 3;
+ cqr->expires = 10 * HZ;
+ cqr->buildclk = get_clock();
+ cqr->status = DASD_CQR_FILLED;
+
+ /* Build the ccws */
+ ccw = cqr->cpaddr;
+
+ /* PSF ccw */
+ ccw->cmd_code = DASD_ECKD_CCW_PSF;
+ ccw->count = usrparm.psf_data_len;
+ ccw->flags |= CCW_FLAG_CC;
+ ccw->cda = (__u32)(addr_t) psf_data;
+
+ ccw++;
+
+ /* RSSD ccw */
+ ccw->cmd_code = DASD_ECKD_CCW_RSSD;
+ ccw->count = usrparm.rssd_result_len;
+ ccw->flags = CCW_FLAG_SLI ;
+ ccw->cda = (__u32)(addr_t) rssd_result;
+
+ rc = dasd_sleep_on(cqr);
+ if (rc)
+ goto out_sfree;
+
+ rc = -EFAULT;
+ if (copy_to_user((void __user *)(unsigned long) usrparm.rssd_result,
+ rssd_result, usrparm.rssd_result_len))
+ goto out_sfree;
+ rc = 0;
+
+out_sfree:
+ dasd_sfree_request(cqr, cqr->memdev);
+out_free:
+ kfree(rssd_result);
+ kfree(psf_data);
+out:
+ DBF_DEV_EVENT(DBF_WARNING, device, "Symmetrix ioctl: rc=%d", rc);
+ return rc;
+}
+
static int
dasd_eckd_ioctl(struct dasd_block *block, unsigned int cmd, void __user *argp)
{
@@ -2086,6 +2200,8 @@ dasd_eckd_ioctl(struct dasd_block *block, unsigned int cmd, void __user *argp)
return dasd_eckd_reserve(device);
case BIODASDSLCK:
return dasd_eckd_steal_lock(device);
+ case BIODASDSYMMIO:
+ return dasd_symm_io(device, argp);
default:
return -ENOIOCTLCMD;
}
@@ -2145,13 +2261,13 @@ static void dasd_eckd_dump_sense(struct dasd_device *device,
/* dump the sense data */
len = sprintf(page, KERN_ERR PRINTK_HEADER
" I/O status report for device %s:\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" in req: %p CS: 0x%02X DS: 0x%02X\n", req,
irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing CCW: %p\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
(void *) (addr_t) irb->scsw.cmd.cpa);
if (irb->esw.esw0.erw.cons) {
for (sl = 0; sl < 4; sl++) {
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index bf512ac75b9..892e2878d61 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -309,7 +309,8 @@ static void dasd_eer_write_standard_trigger(struct dasd_device *device,
do_gettimeofday(&tv);
header.tv_sec = tv.tv_sec;
header.tv_usec = tv.tv_usec;
- strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE);
+ strncpy(header.busid, dev_name(&device->cdev->dev),
+ DASD_EER_BUSID_SIZE);
spin_lock_irqsave(&bufferlock, flags);
list_for_each_entry(eerb, &bufferlist, list) {
@@ -349,7 +350,8 @@ static void dasd_eer_write_snss_trigger(struct dasd_device *device,
do_gettimeofday(&tv);
header.tv_sec = tv.tv_sec;
header.tv_usec = tv.tv_usec;
- strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE);
+ strncpy(header.busid, dev_name(&device->cdev->dev),
+ DASD_EER_BUSID_SIZE);
spin_lock_irqsave(&bufferlock, flags);
list_for_each_entry(eerb, &bufferlist, list) {
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index aa0c533423a..93d9b6452a9 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -451,13 +451,13 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
}
len = sprintf(page, KERN_ERR PRINTK_HEADER
" I/O status report for device %s:\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" in req: %p CS: 0x%02X DS: 0x%02X\n", req,
irb->scsw.cmd.cstat, irb->scsw.cmd.dstat);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing CCW: %p\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
(void *) (addr_t) irb->scsw.cmd.cpa);
if (irb->esw.esw0.erw.cons) {
for (sl = 0; sl < 4; sl++) {
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 31ecaa4a40e..489d5fe488f 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -126,7 +126,7 @@ do { \
#define DEV_MESSAGE(d_loglevel,d_device,d_string,d_args...)\
do { \
printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \
- d_device->cdev->dev.bus_id, d_args); \
+ dev_name(&d_device->cdev->dev), d_args); \
DBF_DEV_EVENT(DBF_ALERT, d_device, d_string, d_args); \
} while(0)
@@ -140,7 +140,7 @@ do { \
#define DEV_MESSAGE_LOG(d_loglevel,d_device,d_string,d_args...)\
do { \
printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \
- d_device->cdev->dev.bus_id, d_args); \
+ dev_name(&d_device->cdev->dev), d_args); \
} while(0)
#define MESSAGE_LOG(d_loglevel,d_string,d_args...)\
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index e3b5c4d3036..9088de84b45 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -67,7 +67,7 @@ dasd_devices_show(struct seq_file *m, void *v)
return 0;
}
/* Print device number. */
- seq_printf(m, "%s", device->cdev->dev.bus_id);
+ seq_printf(m, "%s", dev_name(&device->cdev->dev));
/* Print discipline string. */
if (device != NULL && device->discipline != NULL)
seq_printf(m, "(%s)", device->discipline->name);
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 9481e4a3f76..a7ff167d5b8 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -31,7 +31,6 @@
#define PRINT_WARN(x...) printk(KERN_WARNING DCSSBLK_NAME " warning: " x)
#define PRINT_ERR(x...) printk(KERN_ERR DCSSBLK_NAME " error: " x)
-
static int dcssblk_open(struct inode *inode, struct file *filp);
static int dcssblk_release(struct inode *inode, struct file *filp);
static int dcssblk_make_request(struct request_queue *q, struct bio *bio);
@@ -48,6 +47,30 @@ static struct block_device_operations dcssblk_devops = {
.direct_access = dcssblk_direct_access,
};
+struct dcssblk_dev_info {
+ struct list_head lh;
+ struct device dev;
+ char segment_name[BUS_ID_SIZE];
+ atomic_t use_count;
+ struct gendisk *gd;
+ unsigned long start;
+ unsigned long end;
+ int segment_type;
+ unsigned char save_pending;
+ unsigned char is_shared;
+ struct request_queue *dcssblk_queue;
+ int num_of_segments;
+ struct list_head seg_list;
+};
+
+struct segment_info {
+ struct list_head lh;
+ char segment_name[BUS_ID_SIZE];
+ unsigned long start;
+ unsigned long end;
+ int segment_type;
+};
+
static ssize_t dcssblk_add_store(struct device * dev, struct device_attribute *attr, const char * buf,
size_t count);
static ssize_t dcssblk_remove_store(struct device * dev, struct device_attribute *attr, const char * buf,
@@ -58,30 +81,20 @@ static ssize_t dcssblk_save_show(struct device *dev, struct device_attribute *at
static ssize_t dcssblk_shared_store(struct device * dev, struct device_attribute *attr, const char * buf,
size_t count);
static ssize_t dcssblk_shared_show(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t dcssblk_seglist_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf);
static DEVICE_ATTR(add, S_IWUSR, NULL, dcssblk_add_store);
static DEVICE_ATTR(remove, S_IWUSR, NULL, dcssblk_remove_store);
-static DEVICE_ATTR(save, S_IWUSR | S_IRUGO, dcssblk_save_show,
+static DEVICE_ATTR(save, S_IWUSR | S_IRUSR, dcssblk_save_show,
dcssblk_save_store);
-static DEVICE_ATTR(shared, S_IWUSR | S_IRUGO, dcssblk_shared_show,
+static DEVICE_ATTR(shared, S_IWUSR | S_IRUSR, dcssblk_shared_show,
dcssblk_shared_store);
+static DEVICE_ATTR(seglist, S_IRUSR, dcssblk_seglist_show, NULL);
static struct device *dcssblk_root_dev;
-struct dcssblk_dev_info {
- struct list_head lh;
- struct device dev;
- char segment_name[BUS_ID_SIZE];
- atomic_t use_count;
- struct gendisk *gd;
- unsigned long start;
- unsigned long end;
- int segment_type;
- unsigned char save_pending;
- unsigned char is_shared;
- struct request_queue *dcssblk_queue;
-};
-
static LIST_HEAD(dcssblk_devices);
static struct rw_semaphore dcssblk_devices_sem;
@@ -91,8 +104,15 @@ static struct rw_semaphore dcssblk_devices_sem;
static void
dcssblk_release_segment(struct device *dev)
{
- PRINT_DEBUG("segment release fn called for %s\n", dev->bus_id);
- kfree(container_of(dev, struct dcssblk_dev_info, dev));
+ struct dcssblk_dev_info *dev_info;
+ struct segment_info *entry, *temp;
+
+ dev_info = container_of(dev, struct dcssblk_dev_info, dev);
+ list_for_each_entry_safe(entry, temp, &dev_info->seg_list, lh) {
+ list_del(&entry->lh);
+ kfree(entry);
+ }
+ kfree(dev_info);
module_put(THIS_MODULE);
}
@@ -142,6 +162,169 @@ dcssblk_get_device_by_name(char *name)
return NULL;
}
+/*
+ * get the struct segment_info from seg_list
+ * for the given name.
+ * down_read(&dcssblk_devices_sem) must be held.
+ */
+static struct segment_info *
+dcssblk_get_segment_by_name(char *name)
+{
+ struct dcssblk_dev_info *dev_info;
+ struct segment_info *entry;
+
+ list_for_each_entry(dev_info, &dcssblk_devices, lh) {
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ if (!strcmp(name, entry->segment_name))
+ return entry;
+ }
+ }
+ return NULL;
+}
+
+/*
+ * get the highest address of the multi-segment block.
+ */
+static unsigned long
+dcssblk_find_highest_addr(struct dcssblk_dev_info *dev_info)
+{
+ unsigned long highest_addr;
+ struct segment_info *entry;
+
+ highest_addr = 0;
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ if (highest_addr < entry->end)
+ highest_addr = entry->end;
+ }
+ return highest_addr;
+}
+
+/*
+ * get the lowest address of the multi-segment block.
+ */
+static unsigned long
+dcssblk_find_lowest_addr(struct dcssblk_dev_info *dev_info)
+{
+ int set_first;
+ unsigned long lowest_addr;
+ struct segment_info *entry;
+
+ set_first = 0;
+ lowest_addr = 0;
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ if (set_first == 0) {
+ lowest_addr = entry->start;
+ set_first = 1;
+ } else {
+ if (lowest_addr > entry->start)
+ lowest_addr = entry->start;
+ }
+ }
+ return lowest_addr;
+}
+
+/*
+ * Check continuity of segments.
+ */
+static int
+dcssblk_is_continuous(struct dcssblk_dev_info *dev_info)
+{
+ int i, j, rc;
+ struct segment_info *sort_list, *entry, temp;
+
+ if (dev_info->num_of_segments <= 1)
+ return 0;
+
+ sort_list = kzalloc(
+ sizeof(struct segment_info) * dev_info->num_of_segments,
+ GFP_KERNEL);
+ if (sort_list == NULL)
+ return -ENOMEM;
+ i = 0;
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ memcpy(&sort_list[i], entry, sizeof(struct segment_info));
+ i++;
+ }
+
+ /* sort segments */
+ for (i = 0; i < dev_info->num_of_segments; i++)
+ for (j = 0; j < dev_info->num_of_segments; j++)
+ if (sort_list[j].start > sort_list[i].start) {
+ memcpy(&temp, &sort_list[i],
+ sizeof(struct segment_info));
+ memcpy(&sort_list[i], &sort_list[j],
+ sizeof(struct segment_info));
+ memcpy(&sort_list[j], &temp,
+ sizeof(struct segment_info));
+ }
+
+ /* check continuity */
+ for (i = 0; i < dev_info->num_of_segments - 1; i++) {
+ if ((sort_list[i].end + 1) != sort_list[i+1].start) {
+ PRINT_ERR("Segment %s is not contiguous with "
+ "segment %s\n",
+ sort_list[i].segment_name,
+ sort_list[i+1].segment_name);
+ rc = -EINVAL;
+ goto out;
+ }
+ /* EN and EW are allowed in a block device */
+ if (sort_list[i].segment_type != sort_list[i+1].segment_type) {
+ if (!(sort_list[i].segment_type & SEGMENT_EXCLUSIVE) ||
+ (sort_list[i].segment_type == SEG_TYPE_ER) ||
+ !(sort_list[i+1].segment_type &
+ SEGMENT_EXCLUSIVE) ||
+ (sort_list[i+1].segment_type == SEG_TYPE_ER)) {
+ PRINT_ERR("Segment %s has different type from "
+ "segment %s\n",
+ sort_list[i].segment_name,
+ sort_list[i+1].segment_name);
+ rc = -EINVAL;
+ goto out;
+ }
+ }
+ }
+ rc = 0;
+out:
+ kfree(sort_list);
+ return rc;
+}
+
+/*
+ * Load a segment
+ */
+static int
+dcssblk_load_segment(char *name, struct segment_info **seg_info)
+{
+ int rc;
+
+ /* already loaded? */
+ down_read(&dcssblk_devices_sem);
+ *seg_info = dcssblk_get_segment_by_name(name);
+ up_read(&dcssblk_devices_sem);
+ if (*seg_info != NULL)
+ return -EEXIST;
+
+ /* get a struct segment_info */
+ *seg_info = kzalloc(sizeof(struct segment_info), GFP_KERNEL);
+ if (*seg_info == NULL)
+ return -ENOMEM;
+
+ strcpy((*seg_info)->segment_name, name);
+
+ /* load the segment */
+ rc = segment_load(name, SEGMENT_SHARED,
+ &(*seg_info)->start, &(*seg_info)->end);
+ if (rc < 0) {
+ segment_warning(rc, (*seg_info)->segment_name);
+ kfree(*seg_info);
+ } else {
+ INIT_LIST_HEAD(&(*seg_info)->lh);
+ (*seg_info)->segment_type = rc;
+ }
+ return rc;
+}
+
static void dcssblk_unregister_callback(struct device *dev)
{
device_unregister(dev);
@@ -165,6 +348,7 @@ static ssize_t
dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const char *inbuf, size_t count)
{
struct dcssblk_dev_info *dev_info;
+ struct segment_info *entry, *temp;
int rc;
if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0'))
@@ -172,46 +356,46 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch
down_write(&dcssblk_devices_sem);
dev_info = container_of(dev, struct dcssblk_dev_info, dev);
if (atomic_read(&dev_info->use_count)) {
- PRINT_ERR("share: segment %s is busy!\n",
- dev_info->segment_name);
rc = -EBUSY;
goto out;
}
if (inbuf[0] == '1') {
- // reload segment in shared mode
- rc = segment_modify_shared(dev_info->segment_name,
- SEGMENT_SHARED);
- if (rc < 0) {
- BUG_ON(rc == -EINVAL);
- if (rc != -EAGAIN)
- goto removeseg;
- } else {
- dev_info->is_shared = 1;
- switch (dev_info->segment_type) {
- case SEG_TYPE_SR:
- case SEG_TYPE_ER:
- case SEG_TYPE_SC:
- set_disk_ro(dev_info->gd,1);
+ /* reload segments in shared mode */
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ rc = segment_modify_shared(entry->segment_name,
+ SEGMENT_SHARED);
+ if (rc < 0) {
+ BUG_ON(rc == -EINVAL);
+ if (rc != -EAGAIN)
+ goto removeseg;
}
}
+ dev_info->is_shared = 1;
+ switch (dev_info->segment_type) {
+ case SEG_TYPE_SR:
+ case SEG_TYPE_ER:
+ case SEG_TYPE_SC:
+ set_disk_ro(dev_info->gd, 1);
+ }
} else if (inbuf[0] == '0') {
- // reload segment in exclusive mode
+ /* reload segments in exclusive mode */
if (dev_info->segment_type == SEG_TYPE_SC) {
PRINT_ERR("Segment type SC (%s) cannot be loaded in "
- "non-shared mode\n", dev_info->segment_name);
+ "non-shared mode\n", dev_info->segment_name);
rc = -EINVAL;
goto out;
}
- rc = segment_modify_shared(dev_info->segment_name,
- SEGMENT_EXCLUSIVE);
- if (rc < 0) {
- BUG_ON(rc == -EINVAL);
- if (rc != -EAGAIN)
- goto removeseg;
- } else {
- dev_info->is_shared = 0;
- set_disk_ro(dev_info->gd, 0);
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ rc = segment_modify_shared(entry->segment_name,
+ SEGMENT_EXCLUSIVE);
+ if (rc < 0) {
+ BUG_ON(rc == -EINVAL);
+ if (rc != -EAGAIN)
+ goto removeseg;
+ }
}
+ dev_info->is_shared = 0;
+ set_disk_ro(dev_info->gd, 0);
} else {
rc = -EINVAL;
goto out;
@@ -220,8 +404,14 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch
goto out;
removeseg:
- PRINT_ERR("Could not reload segment %s, removing it now!\n",
- dev_info->segment_name);
+ PRINT_ERR("Could not reload segment(s) of the device %s, removing "
+ "segment(s) now!\n",
+ dev_info->segment_name);
+ temp = entry;
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ if (entry != temp)
+ segment_unload(entry->segment_name);
+ }
list_del(&dev_info->lh);
del_gendisk(dev_info->gd);
@@ -254,6 +444,7 @@ static ssize_t
dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char *inbuf, size_t count)
{
struct dcssblk_dev_info *dev_info;
+ struct segment_info *entry;
if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0'))
return -EINVAL;
@@ -263,14 +454,16 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char
if (inbuf[0] == '1') {
if (atomic_read(&dev_info->use_count) == 0) {
// device is idle => we save immediately
- PRINT_INFO("Saving segment %s\n",
+ PRINT_INFO("Saving segment(s) of the device %s\n",
dev_info->segment_name);
- segment_save(dev_info->segment_name);
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ segment_save(entry->segment_name);
+ }
} else {
// device is busy => we save it when it becomes
// idle in dcssblk_release
- PRINT_INFO("Segment %s is currently busy, it will "
- "be saved when it becomes idle...\n",
+ PRINT_INFO("Device %s is currently busy, segment(s) "
+ "will be saved when it becomes idle...\n",
dev_info->segment_name);
dev_info->save_pending = 1;
}
@@ -279,7 +472,8 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char
// device is busy & the user wants to undo his save
// request
dev_info->save_pending = 0;
- PRINT_INFO("Pending save for segment %s deactivated\n",
+ PRINT_INFO("Pending save for segment(s) of the device "
+ "%s deactivated\n",
dev_info->segment_name);
}
} else {
@@ -291,66 +485,123 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char
}
/*
+ * device attribute for showing all segments in a device
+ */
+static ssize_t
+dcssblk_seglist_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int i;
+
+ struct dcssblk_dev_info *dev_info;
+ struct segment_info *entry;
+
+ down_read(&dcssblk_devices_sem);
+ dev_info = container_of(dev, struct dcssblk_dev_info, dev);
+ i = 0;
+ buf[0] = '\0';
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ strcpy(&buf[i], entry->segment_name);
+ i += strlen(entry->segment_name);
+ buf[i] = '\n';
+ i++;
+ }
+ up_read(&dcssblk_devices_sem);
+ return i;
+}
+
+/*
* device attribute for adding devices
*/
static ssize_t
dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
- int rc, i;
+ int rc, i, j, num_of_segments;
struct dcssblk_dev_info *dev_info;
+ struct segment_info *seg_info, *temp;
char *local_buf;
unsigned long seg_byte_size;
dev_info = NULL;
+ seg_info = NULL;
if (dev != dcssblk_root_dev) {
rc = -EINVAL;
goto out_nobuf;
}
+ if ((count < 1) || (buf[0] == '\0') || (buf[0] == '\n')) {
+ rc = -ENAMETOOLONG;
+ goto out_nobuf;
+ }
+
local_buf = kmalloc(count + 1, GFP_KERNEL);
if (local_buf == NULL) {
rc = -ENOMEM;
goto out_nobuf;
}
+
/*
* parse input
*/
+ num_of_segments = 0;
for (i = 0; ((buf[i] != '\0') && (buf[i] != '\n') && i < count); i++) {
- local_buf[i] = toupper(buf[i]);
+ for (j = i; (buf[j] != ':') &&
+ (buf[j] != '\0') &&
+ (buf[j] != '\n') &&
+ j < count; j++) {
+ local_buf[j-i] = toupper(buf[j]);
+ }
+ local_buf[j-i] = '\0';
+ if (((j - i) == 0) || ((j - i) > 8)) {
+ rc = -ENAMETOOLONG;
+ goto seg_list_del;
+ }
+
+ rc = dcssblk_load_segment(local_buf, &seg_info);
+ if (rc < 0)
+ goto seg_list_del;
+ /*
+ * get a struct dcssblk_dev_info
+ */
+ if (num_of_segments == 0) {
+ dev_info = kzalloc(sizeof(struct dcssblk_dev_info),
+ GFP_KERNEL);
+ if (dev_info == NULL) {
+ rc = -ENOMEM;
+ goto out;
+ }
+ strcpy(dev_info->segment_name, local_buf);
+ dev_info->segment_type = seg_info->segment_type;
+ INIT_LIST_HEAD(&dev_info->seg_list);
+ }
+ list_add_tail(&seg_info->lh, &dev_info->seg_list);
+ num_of_segments++;
+ i = j;
+
+ if ((buf[j] == '\0') || (buf[j] == '\n'))
+ break;
}
- local_buf[i] = '\0';
- if ((i == 0) || (i > 8)) {
+
+ /* no trailing colon at the end of the input */
+ if ((i > 0) && (buf[i-1] == ':')) {
rc = -ENAMETOOLONG;
- goto out;
- }
- /*
- * already loaded?
- */
- down_read(&dcssblk_devices_sem);
- dev_info = dcssblk_get_device_by_name(local_buf);
- up_read(&dcssblk_devices_sem);
- if (dev_info != NULL) {
- PRINT_WARN("Segment %s already loaded!\n", local_buf);
- rc = -EEXIST;
- goto out;
- }
- /*
- * get a struct dcssblk_dev_info
- */
- dev_info = kzalloc(sizeof(struct dcssblk_dev_info), GFP_KERNEL);
- if (dev_info == NULL) {
- rc = -ENOMEM;
- goto out;
+ goto seg_list_del;
}
+ strlcpy(local_buf, buf, i + 1);
+ dev_info->num_of_segments = num_of_segments;
+ rc = dcssblk_is_continuous(dev_info);
+ if (rc < 0)
+ goto seg_list_del;
+
+ dev_info->start = dcssblk_find_lowest_addr(dev_info);
+ dev_info->end = dcssblk_find_highest_addr(dev_info);
- strcpy(dev_info->segment_name, local_buf);
- strlcpy(dev_info->dev.bus_id, local_buf, BUS_ID_SIZE);
+ dev_set_name(&dev_info->dev, dev_info->segment_name);
dev_info->dev.release = dcssblk_release_segment;
INIT_LIST_HEAD(&dev_info->lh);
-
dev_info->gd = alloc_disk(DCSSBLK_MINORS_PER_DISK);
if (dev_info->gd == NULL) {
rc = -ENOMEM;
- goto free_dev_info;
+ goto seg_list_del;
}
dev_info->gd->major = dcssblk_major;
dev_info->gd->fops = &dcssblk_devops;
@@ -360,59 +611,43 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
dev_info->gd->driverfs_dev = &dev_info->dev;
blk_queue_make_request(dev_info->dcssblk_queue, dcssblk_make_request);
blk_queue_hardsect_size(dev_info->dcssblk_queue, 4096);
- /*
- * load the segment
- */
- rc = segment_load(local_buf, SEGMENT_SHARED,
- &dev_info->start, &dev_info->end);
- if (rc < 0) {
- segment_warning(rc, dev_info->segment_name);
- goto dealloc_gendisk;
- }
+
seg_byte_size = (dev_info->end - dev_info->start + 1);
set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors
- PRINT_INFO("Loaded segment %s, size = %lu Byte, "
+ PRINT_INFO("Loaded segment(s) %s, size = %lu Byte, "
"capacity = %lu (512 Byte) sectors\n", local_buf,
seg_byte_size, seg_byte_size >> 9);
- dev_info->segment_type = rc;
dev_info->save_pending = 0;
dev_info->is_shared = 1;
dev_info->dev.parent = dcssblk_root_dev;
/*
- * get minor, add to list
+ *get minor, add to list
*/
down_write(&dcssblk_devices_sem);
- if (dcssblk_get_device_by_name(local_buf)) {
- up_write(&dcssblk_devices_sem);
+ if (dcssblk_get_segment_by_name(local_buf)) {
rc = -EEXIST;
- goto unload_seg;
+ goto release_gd;
}
rc = dcssblk_assign_free_minor(dev_info);
- if (rc) {
- up_write(&dcssblk_devices_sem);
- PRINT_ERR("No free minor number available! "
- "Unloading segment...\n");
- goto unload_seg;
- }
+ if (rc)
+ goto release_gd;
sprintf(dev_info->gd->disk_name, "dcssblk%d",
MINOR(disk_devt(dev_info->gd)));
list_add_tail(&dev_info->lh, &dcssblk_devices);
if (!try_module_get(THIS_MODULE)) {
rc = -ENODEV;
- goto list_del;
+ goto dev_list_del;
}
/*
* register the device
*/
rc = device_register(&dev_info->dev);
if (rc) {
- PRINT_ERR("Segment %s could not be registered RC=%d\n",
- local_buf, rc);
module_put(THIS_MODULE);
- goto list_del;
+ goto dev_list_del;
}
get_device(&dev_info->dev);
rc = device_create_file(&dev_info->dev, &dev_attr_shared);
@@ -421,6 +656,9 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
rc = device_create_file(&dev_info->dev, &dev_attr_save);
if (rc)
goto unregister_dev;
+ rc = device_create_file(&dev_info->dev, &dev_attr_seglist);
+ if (rc)
+ goto unregister_dev;
add_disk(dev_info->gd);
@@ -434,7 +672,6 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
set_disk_ro(dev_info->gd,0);
break;
}
- PRINT_DEBUG("Segment %s loaded successfully\n", local_buf);
up_write(&dcssblk_devices_sem);
rc = count;
goto out;
@@ -445,20 +682,27 @@ unregister_dev:
dev_info->gd->queue = NULL;
put_disk(dev_info->gd);
device_unregister(&dev_info->dev);
- segment_unload(dev_info->segment_name);
+ list_for_each_entry(seg_info, &dev_info->seg_list, lh) {
+ segment_unload(seg_info->segment_name);
+ }
put_device(&dev_info->dev);
up_write(&dcssblk_devices_sem);
goto out;
-list_del:
+dev_list_del:
list_del(&dev_info->lh);
- up_write(&dcssblk_devices_sem);
-unload_seg:
- segment_unload(local_buf);
-dealloc_gendisk:
+release_gd:
blk_cleanup_queue(dev_info->dcssblk_queue);
dev_info->gd->queue = NULL;
put_disk(dev_info->gd);
-free_dev_info:
+ up_write(&dcssblk_devices_sem);
+seg_list_del:
+ if (dev_info == NULL)
+ goto out;
+ list_for_each_entry_safe(seg_info, temp, &dev_info->seg_list, lh) {
+ list_del(&seg_info->lh);
+ segment_unload(seg_info->segment_name);
+ kfree(seg_info);
+ }
kfree(dev_info);
out:
kfree(local_buf);
@@ -473,6 +717,7 @@ static ssize_t
dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
struct dcssblk_dev_info *dev_info;
+ struct segment_info *entry;
int rc, i;
char *local_buf;
@@ -499,26 +744,28 @@ dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const ch
dev_info = dcssblk_get_device_by_name(local_buf);
if (dev_info == NULL) {
up_write(&dcssblk_devices_sem);
- PRINT_WARN("Segment %s is not loaded!\n", local_buf);
+ PRINT_WARN("Device %s is not loaded!\n", local_buf);
rc = -ENODEV;
goto out_buf;
}
if (atomic_read(&dev_info->use_count) != 0) {
up_write(&dcssblk_devices_sem);
- PRINT_WARN("Segment %s is in use!\n", local_buf);
+ PRINT_WARN("Device %s is in use!\n", local_buf);
rc = -EBUSY;
goto out_buf;
}
- list_del(&dev_info->lh);
+ list_del(&dev_info->lh);
del_gendisk(dev_info->gd);
blk_cleanup_queue(dev_info->dcssblk_queue);
dev_info->gd->queue = NULL;
put_disk(dev_info->gd);
device_unregister(&dev_info->dev);
- segment_unload(dev_info->segment_name);
- PRINT_DEBUG("Segment %s unloaded successfully\n",
- dev_info->segment_name);
+
+ /* unload all related segments */
+ list_for_each_entry(entry, &dev_info->seg_list, lh)
+ segment_unload(entry->segment_name);
+
put_device(&dev_info->dev);
up_write(&dcssblk_devices_sem);
@@ -550,6 +797,7 @@ static int
dcssblk_release(struct inode *inode, struct file *filp)
{
struct dcssblk_dev_info *dev_info;
+ struct segment_info *entry;
int rc;
dev_info = inode->i_bdev->bd_disk->private_data;
@@ -560,9 +808,11 @@ dcssblk_release(struct inode *inode, struct file *filp)
down_write(&dcssblk_devices_sem);
if (atomic_dec_and_test(&dev_info->use_count)
&& (dev_info->save_pending)) {
- PRINT_INFO("Segment %s became idle and is being saved now\n",
+ PRINT_INFO("Device %s became idle and is being saved now\n",
dev_info->segment_name);
- segment_save(dev_info->segment_name);
+ list_for_each_entry(entry, &dev_info->seg_list, lh) {
+ segment_save(entry->segment_name);
+ }
dev_info->save_pending = 0;
}
up_write(&dcssblk_devices_sem);
@@ -602,7 +852,8 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio)
case SEG_TYPE_SC:
/* cannot write to these segments */
if (bio_data_dir(bio) == WRITE) {
- PRINT_WARN("rejecting write to ro segment %s\n", dev_info->dev.bus_id);
+ PRINT_WARN("rejecting write to ro device %s\n",
+ dev_name(&dev_info->dev));
goto fail;
}
}
@@ -657,7 +908,7 @@ static void
dcssblk_check_params(void)
{
int rc, i, j, k;
- char buf[9];
+ char buf[DCSSBLK_PARM_LEN + 1];
struct dcssblk_dev_info *dev_info;
for (i = 0; (i < DCSSBLK_PARM_LEN) && (dcssblk_segments[i] != '\0');
@@ -665,15 +916,16 @@ dcssblk_check_params(void)
for (j = i; (dcssblk_segments[j] != ',') &&
(dcssblk_segments[j] != '\0') &&
(dcssblk_segments[j] != '(') &&
- (j - i) < 8; j++)
+ (j < DCSSBLK_PARM_LEN); j++)
{
buf[j-i] = dcssblk_segments[j];
}
buf[j-i] = '\0';
rc = dcssblk_add_store(dcssblk_root_dev, NULL, buf, j-i);
if ((rc >= 0) && (dcssblk_segments[j] == '(')) {
- for (k = 0; buf[k] != '\0'; k++)
+ for (k = 0; (buf[k] != ':') && (buf[k] != '\0'); k++)
buf[k] = toupper(buf[k]);
+ buf[k] = '\0';
if (!strncmp(&dcssblk_segments[j], "(local)", 7)) {
down_read(&dcssblk_devices_sem);
dev_info = dcssblk_get_device_by_name(buf);
@@ -740,10 +992,12 @@ module_exit(dcssblk_exit);
module_param_string(segments, dcssblk_segments, DCSSBLK_PARM_LEN, 0444);
MODULE_PARM_DESC(segments, "Name of DCSS segment(s) to be loaded, "
- "comma-separated list, each name max. 8 chars.\n"
- "Adding \"(local)\" to segment name equals echoing 0 to "
- "/sys/devices/dcssblk/<segment name>/shared after loading "
- "the segment - \n"
- "e.g. segments=\"mydcss1,mydcss2,mydcss3(local)\"");
+ "comma-separated list, names in each set separated "
+ "by commas are separated by colons, each set contains "
+ "names of contiguous segments and each name max. 8 chars.\n"
+ "Adding \"(local)\" to the end of each set equals echoing 0 "
+ "to /sys/devices/dcssblk/<device name>/shared after loading "
+ "the contiguous segments - \n"
+ "e.g. segments=\"mydcss1,mydcss2:mydcss3,mydcss4(local)\"");
MODULE_LICENSE("GPL");
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index dd9b986389a..03916989ed2 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -56,6 +56,7 @@ typedef struct {
static xpram_device_t xpram_devices[XPRAM_MAX_DEVS];
static unsigned int xpram_sizes[XPRAM_MAX_DEVS];
static struct gendisk *xpram_disks[XPRAM_MAX_DEVS];
+static struct request_queue *xpram_queues[XPRAM_MAX_DEVS];
static unsigned int xpram_pages;
static int xpram_devs;
@@ -330,18 +331,22 @@ static int __init xpram_setup_sizes(unsigned long pages)
return 0;
}
-static struct request_queue *xpram_queue;
-
static int __init xpram_setup_blkdev(void)
{
unsigned long offset;
int i, rc = -ENOMEM;
for (i = 0; i < xpram_devs; i++) {
- struct gendisk *disk = alloc_disk(1);
- if (!disk)
+ xpram_disks[i] = alloc_disk(1);
+ if (!xpram_disks[i])
+ goto out;
+ xpram_queues[i] = blk_alloc_queue(GFP_KERNEL);
+ if (!xpram_queues[i]) {
+ put_disk(xpram_disks[i]);
goto out;
- xpram_disks[i] = disk;
+ }
+ blk_queue_make_request(xpram_queues[i], xpram_make_request);
+ blk_queue_hardsect_size(xpram_queues[i], 4096);
}
/*
@@ -352,18 +357,6 @@ static int __init xpram_setup_blkdev(void)
goto out;
/*
- * Assign the other needed values: make request function, sizes and
- * hardsect size. All the minor devices feature the same value.
- */
- xpram_queue = blk_alloc_queue(GFP_KERNEL);
- if (!xpram_queue) {
- rc = -ENOMEM;
- goto out_unreg;
- }
- blk_queue_make_request(xpram_queue, xpram_make_request);
- blk_queue_hardsect_size(xpram_queue, 4096);
-
- /*
* Setup device structures.
*/
offset = 0;
@@ -377,18 +370,18 @@ static int __init xpram_setup_blkdev(void)
disk->first_minor = i;
disk->fops = &xpram_devops;
disk->private_data = &xpram_devices[i];
- disk->queue = xpram_queue;
+ disk->queue = xpram_queues[i];
sprintf(disk->disk_name, "slram%d", i);
set_capacity(disk, xpram_sizes[i] << 1);
add_disk(disk);
}
return 0;
-out_unreg:
- unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
out:
- while (i--)
+ while (i--) {
+ blk_cleanup_queue(xpram_queues[i]);
put_disk(xpram_disks[i]);
+ }
return rc;
}
@@ -400,10 +393,10 @@ static void __exit xpram_exit(void)
int i;
for (i = 0; i < xpram_devs; i++) {
del_gendisk(xpram_disks[i]);
+ blk_cleanup_queue(xpram_queues[i]);
put_disk(xpram_disks[i]);
}
unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME);
- blk_cleanup_queue(xpram_queue);
}
static int __init xpram_init(void)
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index d3ec9b55ab3..9ab06e0dad4 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -21,6 +21,7 @@
#include <linux/console.h>
#include <linux/interrupt.h>
#include <linux/err.h>
+#include <linux/reboot.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
@@ -88,7 +89,6 @@ struct raw3215_info {
int count; /* number of bytes in output buffer */
int written; /* number of bytes in write requests */
struct tty_struct *tty; /* pointer to tty structure if present */
- struct tasklet_struct tasklet;
struct raw3215_req *queued_read; /* pointer to queued read requests */
struct raw3215_req *queued_write;/* pointer to queued write requests */
wait_queue_head_t empty_wait; /* wait queue for flushing */
@@ -341,21 +341,14 @@ raw3215_try_io(struct raw3215_info *raw)
}
/*
- * The bottom half handler routine for 3215 devices. It tries to start
- * the next IO and wakes up processes waiting on the tty.
+ * Try to start the next IO and wake up processes waiting on the tty.
*/
-static void
-raw3215_tasklet(void *data)
+static void raw3215_next_io(struct raw3215_info *raw)
{
- struct raw3215_info *raw;
struct tty_struct *tty;
- unsigned long flags;
- raw = (struct raw3215_info *) data;
- spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
raw3215_mk_write_req(raw);
raw3215_try_io(raw);
- spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
tty = raw->tty;
if (tty != NULL &&
RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) {
@@ -380,7 +373,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
cstat = irb->scsw.cmd.cstat;
dstat = irb->scsw.cmd.dstat;
if (cstat != 0)
- tasklet_schedule(&raw->tasklet);
+ raw3215_next_io(raw);
if (dstat & 0x01) { /* we got a unit exception */
dstat &= ~0x01; /* we can ignore it */
}
@@ -390,7 +383,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
break;
/* Attention interrupt, someone hit the enter key */
raw3215_mk_read_req(raw);
- tasklet_schedule(&raw->tasklet);
+ raw3215_next_io(raw);
break;
case 0x08:
case 0x0C:
@@ -448,7 +441,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
raw->queued_read == NULL) {
wake_up_interruptible(&raw->empty_wait);
}
- tasklet_schedule(&raw->tasklet);
+ raw3215_next_io(raw);
break;
default:
/* Strange interrupt, I'll do my best to clean up */
@@ -460,7 +453,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
raw->flags &= ~RAW3215_WORKING;
raw3215_free_req(req);
}
- tasklet_schedule(&raw->tasklet);
+ raw3215_next_io(raw);
}
return;
}
@@ -674,9 +667,6 @@ raw3215_probe (struct ccw_device *cdev)
kfree(raw);
return -ENOMEM;
}
- tasklet_init(&raw->tasklet,
- (void (*)(unsigned long)) raw3215_tasklet,
- (unsigned long) raw);
init_waitqueue_head(&raw->empty_wait);
cdev->dev.driver_data = raw;
@@ -775,11 +765,11 @@ static struct tty_driver *con3215_device(struct console *c, int *index)
}
/*
- * panic() calls console_unblank before the system enters a
- * disabled, endless loop.
+ * panic() calls con3215_flush through a panic_notifier
+ * before the system enters a disabled, endless loop.
*/
static void
-con3215_unblank(void)
+con3215_flush(void)
{
struct raw3215_info *raw;
unsigned long flags;
@@ -790,6 +780,23 @@ con3215_unblank(void)
spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags);
}
+static int con3215_notify(struct notifier_block *self,
+ unsigned long event, void *data)
+{
+ con3215_flush();
+ return NOTIFY_OK;
+}
+
+static struct notifier_block on_panic_nb = {
+ .notifier_call = con3215_notify,
+ .priority = 0,
+};
+
+static struct notifier_block on_reboot_nb = {
+ .notifier_call = con3215_notify,
+ .priority = 0,
+};
+
/*
* The console structure for the 3215 console
*/
@@ -797,7 +804,6 @@ static struct console con3215 = {
.name = "ttyS",
.write = con3215_write,
.device = con3215_device,
- .unblank = con3215_unblank,
.flags = CON_PRINTBUFFER,
};
@@ -846,9 +852,6 @@ con3215_init(void)
cdev->handler = raw3215_irq;
raw->flags |= RAW3215_FIXED;
- tasklet_init(&raw->tasklet,
- (void (*)(unsigned long)) raw3215_tasklet,
- (unsigned long) raw);
init_waitqueue_head(&raw->empty_wait);
/* Request the console irq */
@@ -859,6 +862,8 @@ con3215_init(void)
raw3215[0] = NULL;
return -ENODEV;
}
+ atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb);
+ register_reboot_notifier(&on_reboot_nb);
register_console(&con3215);
return 0;
}
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 3c07974886e..d028d2ee83d 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/types.h>
#include <linux/err.h>
+#include <linux/reboot.h>
#include <asm/ccwdev.h>
#include <asm/cio.h>
@@ -528,11 +529,11 @@ con3270_wait_write(struct con3270 *cp)
}
/*
- * panic() calls console_unblank before the system enters a
- * disabled, endless loop.
+ * panic() calls con3270_flush through a panic_notifier
+ * before the system enters a disabled, endless loop.
*/
static void
-con3270_unblank(void)
+con3270_flush(void)
{
struct con3270 *cp;
unsigned long flags;
@@ -554,6 +555,23 @@ con3270_unblank(void)
spin_unlock_irqrestore(&cp->view.lock, flags);
}
+static int con3270_notify(struct notifier_block *self,
+ unsigned long event, void *data)
+{
+ con3270_flush();
+ return NOTIFY_OK;
+}
+
+static struct notifier_block on_panic_nb = {
+ .notifier_call = con3270_notify,
+ .priority = 0,
+};
+
+static struct notifier_block on_reboot_nb = {
+ .notifier_call = con3270_notify,
+ .priority = 0,
+};
+
/*
* The console structure for the 3270 console
*/
@@ -561,7 +579,6 @@ static struct console con3270 = {
.name = "tty3270",
.write = con3270_write,
.device = con3270_device,
- .unblank = con3270_unblank,
.flags = CON_PRINTBUFFER,
};
@@ -623,6 +640,8 @@ con3270_init(void)
condev->cline->len = 0;
con3270_create_status(condev);
condev->input = alloc_string(&condev->freemem, 80);
+ atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb);
+ register_reboot_notifier(&on_reboot_nb);
register_console(&con3270);
return 0;
}
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index c3dee900a5c..1792b2c0130 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -1171,7 +1171,7 @@ static int raw3270_create_attributes(struct raw3270 *rp)
rp->clttydev = device_create_drvdata(class3270, &rp->cdev->dev,
MKDEV(IBM_TTY3270_MAJOR, rp->minor),
NULL,
- "tty%s", rp->cdev->dev.bus_id);
+ "tty%s", dev_name(&rp->cdev->dev));
if (IS_ERR(rp->clttydev)) {
rc = PTR_ERR(rp->clttydev);
goto out_ttydev;
@@ -1180,7 +1180,7 @@ static int raw3270_create_attributes(struct raw3270 *rp)
rp->cltubdev = device_create_drvdata(class3270, &rp->cdev->dev,
MKDEV(IBM_FS3270_MAJOR, rp->minor),
NULL,
- "tub%s", rp->cdev->dev.bus_id);
+ "tub%s", dev_name(&rp->cdev->dev));
if (!IS_ERR(rp->cltubdev))
goto out;
diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c
index 7e619c534bf..9a25c4bd142 100644
--- a/drivers/s390/char/sclp_con.c
+++ b/drivers/s390/char/sclp_con.c
@@ -16,6 +16,7 @@
#include <linux/bootmem.h>
#include <linux/termios.h>
#include <linux/err.h>
+#include <linux/reboot.h>
#include "sclp.h"
#include "sclp_rw.h"
@@ -172,7 +173,7 @@ sclp_console_device(struct console *c, int *index)
* will be flushed to the SCLP.
*/
static void
-sclp_console_unblank(void)
+sclp_console_flush(void)
{
unsigned long flags;
@@ -188,6 +189,24 @@ sclp_console_unblank(void)
spin_unlock_irqrestore(&sclp_con_lock, flags);
}
+static int
+sclp_console_notify(struct notifier_block *self,
+ unsigned long event, void *data)
+{
+ sclp_console_flush();
+ return NOTIFY_OK;
+}
+
+static struct notifier_block on_panic_nb = {
+ .notifier_call = sclp_console_notify,
+ .priority = 1,
+};
+
+static struct notifier_block on_reboot_nb = {
+ .notifier_call = sclp_console_notify,
+ .priority = 1,
+};
+
/*
* used to register the SCLP console to the kernel and to
* give printk necessary information
@@ -197,7 +216,6 @@ static struct console sclp_console =
.name = sclp_console_name,
.write = sclp_console_write,
.device = sclp_console_device,
- .unblank = sclp_console_unblank,
.flags = CON_PRINTBUFFER,
.index = 0 /* ttyS0 */
};
@@ -241,6 +259,8 @@ sclp_console_init(void)
sclp_con_width_htab = 8;
/* enable printk-access to this driver */
+ atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb);
+ register_reboot_notifier(&on_reboot_nb);
register_console(&sclp_console);
return 0;
}
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index ad51738c426..9854f19f5e6 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -24,6 +24,8 @@
#include <linux/bootmem.h>
#include <linux/interrupt.h>
#include <linux/init.h>
+#include <linux/reboot.h>
+
#include <asm/uaccess.h>
#include "sclp.h"
@@ -743,24 +745,30 @@ sclp_vt220_con_device(struct console *c, int *index)
return sclp_vt220_driver;
}
-/*
- * This routine is called from panic when the kernel is going to give up.
- * We have to make sure that all buffers will be flushed to the SCLP.
- * Note that this function may be called from within an interrupt context.
- */
-static void
-sclp_vt220_con_unblank(void)
+static int
+sclp_vt220_notify(struct notifier_block *self,
+ unsigned long event, void *data)
{
__sclp_vt220_flush_buffer();
+ return NOTIFY_OK;
}
+static struct notifier_block on_panic_nb = {
+ .notifier_call = sclp_vt220_notify,
+ .priority = 1,
+};
+
+static struct notifier_block on_reboot_nb = {
+ .notifier_call = sclp_vt220_notify,
+ .priority = 1,
+};
+
/* Structure needed to register with printk */
static struct console sclp_vt220_console =
{
.name = SCLP_VT220_CONSOLE_NAME,
.write = sclp_vt220_con_write,
.device = sclp_vt220_con_device,
- .unblank = sclp_vt220_con_unblank,
.flags = CON_PRINTBUFFER,
.index = SCLP_VT220_CONSOLE_INDEX
};
@@ -776,6 +784,8 @@ sclp_vt220_con_init(void)
if (rc)
return rc;
/* Attach linux console */
+ atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb);
+ register_reboot_notifier(&on_reboot_nb);
register_console(&sclp_vt220_console);
return 0;
}
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 839987618ff..4005c44a404 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -910,7 +910,7 @@ tape_3590_erp_swap(struct tape_device *device, struct tape_request *request,
* should proceed with the new tape... this
* should probably be done in user space!
*/
- PRINT_WARN("(%s): Swap Tape Device!\n", device->cdev->dev.bus_id);
+ PRINT_WARN("(%s): Swap Tape Device!\n", dev_name(&device->cdev->dev));
return tape_3590_erp_basic(device, request, irb, -EIO);
}
@@ -1003,40 +1003,43 @@ tape_3590_print_mim_msg_f0(struct tape_device *device, struct irb *irb)
/* Exception Message */
switch (sense->fmt.f70.emc) {
case 0x02:
- PRINT_WARN("(%s): Data degraded\n", device->cdev->dev.bus_id);
+ PRINT_WARN("(%s): Data degraded\n",
+ dev_name(&device->cdev->dev));
break;
case 0x03:
PRINT_WARN("(%s): Data degraded in partion %i\n",
- device->cdev->dev.bus_id, sense->fmt.f70.mp);
+ dev_name(&device->cdev->dev), sense->fmt.f70.mp);
break;
case 0x04:
- PRINT_WARN("(%s): Medium degraded\n", device->cdev->dev.bus_id);
+ PRINT_WARN("(%s): Medium degraded\n",
+ dev_name(&device->cdev->dev));
break;
case 0x05:
PRINT_WARN("(%s): Medium degraded in partition %i\n",
- device->cdev->dev.bus_id, sense->fmt.f70.mp);
+ dev_name(&device->cdev->dev), sense->fmt.f70.mp);
break;
case 0x06:
- PRINT_WARN("(%s): Block 0 Error\n", device->cdev->dev.bus_id);
+ PRINT_WARN("(%s): Block 0 Error\n",
+ dev_name(&device->cdev->dev));
break;
case 0x07:
PRINT_WARN("(%s): Medium Exception 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f70.md);
+ dev_name(&device->cdev->dev), sense->fmt.f70.md);
break;
default:
PRINT_WARN("(%s): MIM ExMsg: 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f70.emc);
+ dev_name(&device->cdev->dev), sense->fmt.f70.emc);
break;
}
/* Service Message */
switch (sense->fmt.f70.smc) {
case 0x02:
PRINT_WARN("(%s): Reference Media maintenance procedure %i\n",
- device->cdev->dev.bus_id, sense->fmt.f70.md);
+ dev_name(&device->cdev->dev), sense->fmt.f70.md);
break;
default:
PRINT_WARN("(%s): MIM ServiceMsg: 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f70.smc);
+ dev_name(&device->cdev->dev), sense->fmt.f70.smc);
break;
}
}
@@ -1054,101 +1057,101 @@ tape_3590_print_io_sim_msg_f1(struct tape_device *device, struct irb *irb)
switch (sense->fmt.f71.emc) {
case 0x01:
PRINT_WARN("(%s): Effect of failure is unknown\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x02:
PRINT_WARN("(%s): CU Exception - no performance impact\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x03:
PRINT_WARN("(%s): CU Exception on channel interface 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
case 0x04:
PRINT_WARN("(%s): CU Exception on device path 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
case 0x05:
PRINT_WARN("(%s): CU Exception on library path 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
case 0x06:
PRINT_WARN("(%s): CU Exception on node 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
case 0x07:
PRINT_WARN("(%s): CU Exception on partition 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
default:
PRINT_WARN("(%s): SIM ExMsg: 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.emc);
+ dev_name(&device->cdev->dev), sense->fmt.f71.emc);
}
/* Service Message */
switch (sense->fmt.f71.smc) {
case 0x01:
PRINT_WARN("(%s): Repair impact is unknown\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x02:
PRINT_WARN("(%s): Repair will not impact cu performance\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x03:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable node "
"0x%x on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable nodes "
"(0x%x-0x%x) on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x04:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable cannel path "
"0x%x on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable cannel paths "
"(0x%x-0x%x) on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x05:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable device path "
"0x%x on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable device paths "
"(0x%x-0x%x) on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x06:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable library path "
"0x%x on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable library paths "
"(0x%x-0x%x) on CU\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x07:
PRINT_WARN("(%s): Repair will disable access to CU\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
default:
PRINT_WARN("(%s): SIM ServiceMsg: 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.smc);
+ dev_name(&device->cdev->dev), sense->fmt.f71.smc);
}
}
@@ -1165,104 +1168,104 @@ tape_3590_print_dev_sim_msg_f2(struct tape_device *device, struct irb *irb)
switch (sense->fmt.f71.emc) {
case 0x01:
PRINT_WARN("(%s): Effect of failure is unknown\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x02:
PRINT_WARN("(%s): DV Exception - no performance impact\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x03:
PRINT_WARN("(%s): DV Exception on channel interface 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
case 0x04:
PRINT_WARN("(%s): DV Exception on loader 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
case 0x05:
PRINT_WARN("(%s): DV Exception on message display 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.md[0]);
+ dev_name(&device->cdev->dev), sense->fmt.f71.md[0]);
break;
case 0x06:
PRINT_WARN("(%s): DV Exception in tape path\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x07:
PRINT_WARN("(%s): DV Exception in drive\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
default:
PRINT_WARN("(%s): DSIM ExMsg: 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.emc);
+ dev_name(&device->cdev->dev), sense->fmt.f71.emc);
}
/* Service Message */
switch (sense->fmt.f71.smc) {
case 0x01:
PRINT_WARN("(%s): Repair impact is unknown\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x02:
PRINT_WARN("(%s): Repair will not impact device performance\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x03:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable channel path "
"0x%x on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable channel path "
"(0x%x-0x%x) on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x04:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable interface 0x%x "
"on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable interfaces "
"(0x%x-0x%x) on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x05:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable loader 0x%x "
"on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable loader "
"(0x%x-0x%x) on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x07:
PRINT_WARN("(%s): Repair will disable access to DV\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case 0x08:
if (sense->fmt.f71.mdf == 0)
PRINT_WARN("(%s): Repair will disable message "
"display 0x%x on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1]);
else
PRINT_WARN("(%s): Repair will disable message "
"displays (0x%x-0x%x) on DV\n",
- device->cdev->dev.bus_id,
+ dev_name(&device->cdev->dev),
sense->fmt.f71.md[1], sense->fmt.f71.md[2]);
break;
case 0x09:
- PRINT_WARN("(%s): Clean DV\n", device->cdev->dev.bus_id);
+ PRINT_WARN("(%s): Clean DV\n", dev_name(&device->cdev->dev));
break;
default:
PRINT_WARN("(%s): DSIM ServiceMsg: 0x%02x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.smc);
+ dev_name(&device->cdev->dev), sense->fmt.f71.smc);
}
}
@@ -1279,18 +1282,18 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
return;
if ((sense->mc > 0) && (sense->mc < TAPE_3590_MAX_MSG)) {
if (tape_3590_msg[sense->mc] != NULL)
- PRINT_WARN("(%s): %s\n", device->cdev->dev.bus_id,
+ PRINT_WARN("(%s): %s\n", dev_name(&device->cdev->dev),
tape_3590_msg[sense->mc]);
else {
PRINT_WARN("(%s): Message Code 0x%x\n",
- device->cdev->dev.bus_id, sense->mc);
+ dev_name(&device->cdev->dev), sense->mc);
}
return;
}
if (sense->mc == 0xf0) {
/* Standard Media Information Message */
PRINT_WARN("(%s): MIM SEV=%i, MC=%02x, ES=%x/%x, "
- "RC=%02x-%04x-%02x\n", device->cdev->dev.bus_id,
+ "RC=%02x-%04x-%02x\n", dev_name(&device->cdev->dev),
sense->fmt.f70.sev, sense->mc,
sense->fmt.f70.emc, sense->fmt.f70.smc,
sense->fmt.f70.refcode, sense->fmt.f70.mid,
@@ -1302,7 +1305,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
/* Standard I/O Subsystem Service Information Message */
PRINT_WARN("(%s): IOSIM SEV=%i, DEVTYPE=3590/%02x, "
"MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.sev,
+ dev_name(&device->cdev->dev), sense->fmt.f71.sev,
device->cdev->id.dev_model,
sense->mc, sense->fmt.f71.emc,
sense->fmt.f71.smc, sense->fmt.f71.refcode1,
@@ -1314,7 +1317,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
/* Standard Device Service Information Message */
PRINT_WARN("(%s): DEVSIM SEV=%i, DEVTYPE=3590/%02x, "
"MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n",
- device->cdev->dev.bus_id, sense->fmt.f71.sev,
+ dev_name(&device->cdev->dev), sense->fmt.f71.sev,
device->cdev->id.dev_model,
sense->mc, sense->fmt.f71.emc,
sense->fmt.f71.smc, sense->fmt.f71.refcode1,
@@ -1327,7 +1330,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
return;
}
PRINT_WARN("(%s): Device Message(%x)\n",
- device->cdev->dev.bus_id, sense->mc);
+ dev_name(&device->cdev->dev), sense->mc);
}
static int tape_3590_crypt_error(struct tape_device *device,
@@ -1336,10 +1339,11 @@ static int tape_3590_crypt_error(struct tape_device *device,
u8 cu_rc, ekm_rc1;
u16 ekm_rc2;
u32 drv_rc;
- char *bus_id, *sense;
+ const char *bus_id;
+ char *sense;
sense = ((struct tape_3590_sense *) irb->ecw)->fmt.data;
- bus_id = device->cdev->dev.bus_id;
+ bus_id = dev_name(&device->cdev->dev);
cu_rc = sense[0];
drv_rc = *((u32*) &sense[5]) & 0xffffff;
ekm_rc1 = sense[9];
@@ -1440,7 +1444,7 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
* "device intervention" is not very meaningfull
*/
PRINT_WARN("(%s): Tape operation when medium not loaded\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
tape_med_state_set(device, MS_UNLOADED);
tape_3590_schedule_work(device, TO_CRYPT_OFF);
return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM);
@@ -1487,18 +1491,18 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request,
case 0x6020:
PRINT_WARN("(%s): Cartridge of wrong type ?\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
return tape_3590_erp_basic(device, request, irb, -EMEDIUMTYPE);
case 0x8011:
PRINT_WARN("(%s): Another host has reserved the tape device\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
return tape_3590_erp_basic(device, request, irb, -EPERM);
case 0x8013:
PRINT_WARN("(%s): Another host has privileged access to the "
- "tape device\n", device->cdev->dev.bus_id);
+ "tape device\n", dev_name(&device->cdev->dev));
PRINT_WARN("(%s): To solve the problem unload the current "
- "cartridge!\n", device->cdev->dev.bus_id);
+ "cartridge!\n", dev_name(&device->cdev->dev));
return tape_3590_erp_basic(device, request, irb, -EPERM);
default:
return tape_3590_erp_basic(device, request, irb, -EIO);
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 95da72bc17e..a25b8bf54f4 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -278,7 +278,7 @@ tapeblock_cleanup_device(struct tape_device *device)
if (!device->blk_data.disk) {
PRINT_ERR("(%s): No gendisk to clean up!\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
goto cleanup_queue;
}
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index 181a5441af1..d7073dbf825 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -215,12 +215,12 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate)
case MS_UNLOADED:
device->tape_generic_status |= GMT_DR_OPEN(~0);
PRINT_INFO("(%s): Tape is unloaded\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
case MS_LOADED:
device->tape_generic_status &= ~GMT_DR_OPEN(~0);
PRINT_INFO("(%s): Tape has been mounted\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
break;
default:
// print nothing
@@ -415,7 +415,7 @@ tape_generic_offline(struct tape_device *device)
device->cdev_id);
PRINT_WARN("(%s): Set offline failed "
"- drive in use.\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
spin_unlock_irq(get_ccwdev_lock(device->cdev));
return -EBUSY;
}
@@ -538,7 +538,8 @@ tape_generic_probe(struct ccw_device *cdev)
ret = sysfs_create_group(&cdev->dev.kobj, &tape_attr_group);
if (ret) {
tape_put_device(device);
- PRINT_ERR("probe failed for tape device %s\n", cdev->dev.bus_id);
+ PRINT_ERR("probe failed for tape device %s\n",
+ dev_name(&cdev->dev));
return ret;
}
cdev->dev.driver_data = device;
@@ -546,7 +547,7 @@ tape_generic_probe(struct ccw_device *cdev)
device->cdev = cdev;
ccw_device_get_id(cdev, &dev_id);
device->cdev_id = devid_to_int(&dev_id);
- PRINT_INFO("tape device %s found\n", cdev->dev.bus_id);
+ PRINT_INFO("tape device %s found\n", dev_name(&cdev->dev));
return ret;
}
@@ -616,7 +617,7 @@ tape_generic_remove(struct ccw_device *cdev)
device->cdev_id);
PRINT_WARN("(%s): Drive in use vanished - "
"expect trouble!\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
PRINT_WARN("State was %i\n", device->tape_state);
tape_state_set(device, TS_NOT_OPER);
__tape_discard_requests(device);
@@ -840,7 +841,7 @@ tape_dump_sense(struct tape_device* device, struct tape_request *request,
PRINT_INFO("-------------------------------------------------\n");
PRINT_INFO("DSTAT : %02x CSTAT: %02x CPA: %04x\n",
irb->scsw.cmd.dstat, irb->scsw.cmd.cstat, irb->scsw.cmd.cpa);
- PRINT_INFO("DEVICE: %s\n", device->cdev->dev.bus_id);
+ PRINT_INFO("DEVICE: %s\n", dev_name(&device->cdev->dev));
if (request != NULL)
PRINT_INFO("OP : %s\n", tape_op_verbose[request->op]);
@@ -1051,7 +1052,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
device = (struct tape_device *) cdev->dev.driver_data;
if (device == NULL) {
PRINT_ERR("could not get device structure for %s "
- "in interrupt\n", cdev->dev.bus_id);
+ "in interrupt\n", dev_name(&cdev->dev));
return;
}
request = (struct tape_request *) intparm;
@@ -1064,13 +1065,13 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
switch (PTR_ERR(irb)) {
case -ETIMEDOUT:
PRINT_WARN("(%s): Request timed out\n",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
case -EIO:
__tape_end_request(device, request, -EIO);
break;
default:
PRINT_ERR("(%s): Unexpected i/o error %li\n",
- cdev->dev.bus_id,
+ dev_name(&cdev->dev),
PTR_ERR(irb));
}
return;
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index e7c888c14e7..8a376af926a 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -52,7 +52,7 @@ static int tape_proc_show(struct seq_file *m, void *v)
return 0;
spin_lock_irq(get_ccwdev_lock(device->cdev));
seq_printf(m, "%d\t", (int) n);
- seq_printf(m, "%-10.10s ", device->cdev->dev.bus_id);
+ seq_printf(m, "%-10.10s ", dev_name(&device->cdev->dev));
seq_printf(m, "%04X/", device->cdev->id.cu_type);
seq_printf(m, "%02X\t", device->cdev->id.cu_model);
seq_printf(m, "%04X/", device->cdev->id.dev_type);
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index cc8fd781ee2..5bd573d144d 100644
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -47,7 +47,7 @@ tape_std_assign_timeout(unsigned long data)
rc = tape_cancel_io(device, request);
if(rc)
PRINT_ERR("(%s): Assign timeout: Cancel failed with rc = %i\n",
- device->cdev->dev.bus_id, rc);
+ dev_name(&device->cdev->dev), rc);
}
@@ -83,7 +83,7 @@ tape_std_assign(struct tape_device *device)
if (rc != 0) {
PRINT_WARN("%s: assign failed - device might be busy\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
DBF_EVENT(3, "%08x: assign failed - device might be busy\n",
device->cdev_id);
} else {
@@ -106,7 +106,7 @@ tape_std_unassign (struct tape_device *device)
DBF_EVENT(3, "(%08x): Can't unassign device\n",
device->cdev_id);
PRINT_WARN("(%s): Can't unassign device - device gone\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
return -EIO;
}
@@ -120,7 +120,8 @@ tape_std_unassign (struct tape_device *device)
if ((rc = tape_do_io(device, request)) != 0) {
DBF_EVENT(3, "%08x: Unassign failed\n", device->cdev_id);
- PRINT_WARN("%s: Unassign failed\n", device->cdev->dev.bus_id);
+ PRINT_WARN("%s: Unassign failed\n",
+ dev_name(&device->cdev->dev));
} else {
DBF_EVENT(3, "%08x: Tape unassigned\n", device->cdev_id);
}
@@ -634,10 +635,10 @@ tape_std_mtcompression(struct tape_device *device, int mt_count)
DBF_EXCEPTION(6, "xcom parm\n");
if (*device->modeset_byte & 0x08)
PRINT_INFO("(%s) Compression is currently on\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
else
PRINT_INFO("(%s) Compression is currently off\n",
- device->cdev->dev.bus_id);
+ dev_name(&device->cdev->dev));
PRINT_INFO("Use 1 to switch compression on, 0 to "
"switch it off\n");
return -EINVAL;
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index c31faefa2b3..42173cc3461 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -724,8 +724,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv)
dev = kzalloc(sizeof(struct device), GFP_KERNEL);
if (dev) {
- snprintf(dev->bus_id, BUS_ID_SIZE, "%s",
- priv->internal_name);
+ dev_set_name(dev, priv->internal_name);
dev->bus = &iucv_bus;
dev->parent = iucv_root;
dev->driver = &vmlogrdr_driver;
@@ -751,7 +750,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv)
priv->class_device = device_create_drvdata(vmlogrdr_class, dev,
MKDEV(vmlogrdr_major,
priv->minor_num),
- priv, "%s", dev->bus_id);
+ priv, "%s", dev_name(dev));
if (IS_ERR(priv->class_device)) {
ret = PTR_ERR(priv->class_device);
priv->class_device=NULL;
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index c1f352b8486..6fdfa5ddeca 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -886,11 +886,11 @@ static int ur_set_online(struct ccw_device *cdev)
goto fail_free_cdev;
if (urd->cdev->id.cu_type == READER_PUNCH_DEVTYPE) {
if (urd->class == DEV_CLASS_UR_I)
- sprintf(node_id, "vmrdr-%s", cdev->dev.bus_id);
+ sprintf(node_id, "vmrdr-%s", dev_name(&cdev->dev));
if (urd->class == DEV_CLASS_UR_O)
- sprintf(node_id, "vmpun-%s", cdev->dev.bus_id);
+ sprintf(node_id, "vmpun-%s", dev_name(&cdev->dev));
} else if (urd->cdev->id.cu_type == PRINTER_DEVTYPE) {
- sprintf(node_id, "vmprt-%s", cdev->dev.bus_id);
+ sprintf(node_id, "vmprt-%s", dev_name(&cdev->dev));
} else {
rc = -EOPNOTSUPP;
goto fail_free_cdev;
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 0bfcbbe375c..2f547b840ef 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -24,6 +24,7 @@
#include "cio.h"
#include "cio_debug.h"
#include "css.h"
+#include "device.h"
/*
* "Blacklisting" of certain devices:
@@ -191,9 +192,9 @@ static int blacklist_parse_parameters(char *str, range_action action,
rc = blacklist_range(ra, from_ssid, to_ssid, from, to,
msgtrigger);
if (rc)
- totalrc = 1;
+ totalrc = -EINVAL;
} else
- totalrc = 1;
+ totalrc = -EINVAL;
}
return totalrc;
@@ -240,8 +241,10 @@ static int blacklist_parse_proc_parameters(char *buf)
rc = blacklist_parse_parameters(buf, free, 0);
else if (strcmp("add", parm) == 0)
rc = blacklist_parse_parameters(buf, add, 0);
+ else if (strcmp("purge", parm) == 0)
+ return ccw_purge_blacklisted();
else
- return 1;
+ return -EINVAL;
css_schedule_reprobe();
@@ -353,7 +356,7 @@ cio_ignore_write(struct file *file, const char __user *user_buf,
}
ret = blacklist_parse_proc_parameters(buf);
if (ret)
- rc = -EINVAL;
+ rc = ret;
else
rc = user_len;
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 9a50f245774..3ac2c2019f5 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -269,8 +269,7 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
goto error;
}
- snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s",
- gdev->cdev[0]->dev.bus_id);
+ dev_set_name(&gdev->dev, "%s", dev_name(&gdev->cdev[0]->dev));
rc = device_add(&gdev->dev);
if (rc)
diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index f1216cf6fa8..1246f61a533 100644
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -393,8 +393,7 @@ int chp_new(struct chp_id chpid)
chp->state = 1;
chp->dev.parent = &channel_subsystems[chpid.cssid]->device;
chp->dev.release = chp_release;
- snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp%x.%02x", chpid.cssid,
- chpid.id);
+ dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);
/* Obtain channel path description and fill it in. */
ret = chsc_determine_base_channel_path_desc(chpid, &chp->desc);
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 91ca87aa9f9..f49f0e502b8 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -261,7 +261,7 @@ static int chsc_examine_irb(struct chsc_request *request)
{
int backed_up;
- if (!scsw_stctl(&request->irb.scsw) & SCSW_STCTL_STATUS_PEND)
+ if (!(scsw_stctl(&request->irb.scsw) & SCSW_STCTL_STATUS_PEND))
return -EIO;
backed_up = scsw_cstat(&request->irb.scsw) & SCHN_STAT_CHAIN_CHECK;
request->irb.scsw.cmd.cstat &= ~SCHN_STAT_CHAIN_CHECK;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 326f4cc7f92..3db2c386546 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -114,6 +114,7 @@ cio_tpi(void)
struct tpi_info *tpi_info;
struct subchannel *sch;
struct irb *irb;
+ int irq_context;
tpi_info = (struct tpi_info *) __LC_SUBCHANNEL_ID;
if (tpi (NULL) != 1)
@@ -126,7 +127,9 @@ cio_tpi(void)
sch = (struct subchannel *)(unsigned long)tpi_info->intparm;
if (!sch)
return 1;
- local_bh_disable();
+ irq_context = in_interrupt();
+ if (!irq_context)
+ local_bh_disable();
irq_enter ();
spin_lock(sch->lock);
memcpy(&sch->schib.scsw, &irb->scsw, sizeof(union scsw));
@@ -134,7 +137,8 @@ cio_tpi(void)
sch->driver->irq(sch);
spin_unlock(sch->lock);
irq_exit ();
- _local_bh_enable();
+ if (!irq_context)
+ _local_bh_enable();
return 1;
}
@@ -153,7 +157,7 @@ cio_start_handle_notoper(struct subchannel *sch, __u8 lpm)
CIO_MSG_EVENT(2, "cio_start: 'not oper' status for "
"subchannel 0.%x.%04x!\n", sch->schid.ssid,
sch->schid.sch_no);
- sprintf(dbf_text, "no%s", sch->dev.bus_id);
+ sprintf(dbf_text, "no%s", dev_name(&sch->dev));
CIO_TRACE_EVENT(0, dbf_text);
CIO_HEX_EVENT(0, &sch->schib, sizeof (struct schib));
@@ -171,7 +175,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */
union orb *orb;
CIO_TRACE_EVENT(4, "stIO");
- CIO_TRACE_EVENT(4, sch->dev.bus_id);
+ CIO_TRACE_EVENT(4, dev_name(&sch->dev));
orb = &to_io_private(sch)->orb;
memset(orb, 0, sizeof(union orb));
@@ -232,7 +236,7 @@ cio_resume (struct subchannel *sch)
int ccode;
CIO_TRACE_EVENT (4, "resIO");
- CIO_TRACE_EVENT (4, sch->dev.bus_id);
+ CIO_TRACE_EVENT(4, dev_name(&sch->dev));
ccode = rsch (sch->schid);
@@ -269,7 +273,7 @@ cio_halt(struct subchannel *sch)
return -ENODEV;
CIO_TRACE_EVENT (2, "haltIO");
- CIO_TRACE_EVENT (2, sch->dev.bus_id);
+ CIO_TRACE_EVENT(2, dev_name(&sch->dev));
/*
* Issue "Halt subchannel" and process condition code
@@ -304,7 +308,7 @@ cio_clear(struct subchannel *sch)
return -ENODEV;
CIO_TRACE_EVENT (2, "clearIO");
- CIO_TRACE_EVENT (2, sch->dev.bus_id);
+ CIO_TRACE_EVENT(2, dev_name(&sch->dev));
/*
* Issue "Clear subchannel" and process condition code
@@ -340,7 +344,7 @@ cio_cancel (struct subchannel *sch)
return -ENODEV;
CIO_TRACE_EVENT (2, "cancelIO");
- CIO_TRACE_EVENT (2, sch->dev.bus_id);
+ CIO_TRACE_EVENT(2, dev_name(&sch->dev));
ccode = xsch (sch->schid);
@@ -404,7 +408,7 @@ int cio_enable_subchannel(struct subchannel *sch, u32 intparm)
int ret;
CIO_TRACE_EVENT (2, "ensch");
- CIO_TRACE_EVENT (2, sch->dev.bus_id);
+ CIO_TRACE_EVENT(2, dev_name(&sch->dev));
if (sch_is_pseudo_sch(sch))
return -EINVAL;
@@ -454,7 +458,7 @@ int cio_disable_subchannel(struct subchannel *sch)
int ret;
CIO_TRACE_EVENT (2, "dissch");
- CIO_TRACE_EVENT (2, sch->dev.bus_id);
+ CIO_TRACE_EVENT(2, dev_name(&sch->dev));
if (sch_is_pseudo_sch(sch))
return 0;
@@ -571,8 +575,10 @@ int cio_validate_subchannel(struct subchannel *sch, struct subchannel_id schid)
}
mutex_init(&sch->reg_mutex);
/* Set a name for the subchannel */
- snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", schid.ssid,
- schid.sch_no);
+ if (cio_is_console(schid))
+ sch->dev.init_name = cio_get_console_sch_name(schid);
+ else
+ dev_set_name(&sch->dev, "0.%x.%04x", schid.ssid, schid.sch_no);
/*
* The first subchannel that is not-operational (ccode==3)
@@ -677,6 +683,7 @@ do_IRQ (struct pt_regs *regs)
#ifdef CONFIG_CCW_CONSOLE
static struct subchannel console_subchannel;
+static char console_sch_name[10] = "0.x.xxxx";
static struct io_subchannel_private console_priv;
static int console_subchannel_in_use;
@@ -827,6 +834,12 @@ cio_get_console_subchannel(void)
return &console_subchannel;
}
+const char *cio_get_console_sch_name(struct subchannel_id schid)
+{
+ snprintf(console_sch_name, 10, "0.%x.%04x", schid.ssid, schid.sch_no);
+ return (const char *)console_sch_name;
+}
+
#endif
static int
__disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)
@@ -846,19 +859,6 @@ __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)
return -EBUSY; /* uhm... */
}
-/* we can't use the normal udelay here, since it enables external interrupts */
-
-static void udelay_reset(unsigned long usecs)
-{
- uint64_t start_cc, end_cc;
-
- asm volatile ("STCK %0" : "=m" (start_cc));
- do {
- cpu_relax();
- asm volatile ("STCK %0" : "=m" (end_cc));
- } while (((end_cc - start_cc)/4096) < usecs);
-}
-
static int
__clear_io_subchannel_easy(struct subchannel_id schid)
{
@@ -874,7 +874,7 @@ __clear_io_subchannel_easy(struct subchannel_id schid)
if (schid_equal(&ti.schid, &schid))
return 0;
}
- udelay_reset(100);
+ udelay_simple(100);
}
return -EBUSY;
}
@@ -882,7 +882,7 @@ __clear_io_subchannel_easy(struct subchannel_id schid)
static void __clear_chsc_subchannel_easy(void)
{
/* It seems we can only wait for a bit here :/ */
- udelay_reset(100);
+ udelay_simple(100);
}
static int pgm_check_occured;
@@ -892,7 +892,7 @@ static void cio_reset_pgm_check_handler(void)
pgm_check_occured = 1;
}
-static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr)
+static int stsch_reset(struct subchannel_id schid, struct schib *addr)
{
int rc;
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 3b236d20e83..0fb24784e92 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -117,11 +117,15 @@ extern int cio_is_console(struct subchannel_id);
extern struct subchannel *cio_get_console_subchannel(void);
extern spinlock_t * cio_get_console_lock(void);
extern void *cio_get_console_priv(void);
+extern const char *cio_get_console_sch_name(struct subchannel_id schid);
+extern const char *cio_get_console_cdev_name(struct subchannel *sch);
#else
#define cio_is_console(schid) 0
#define cio_get_console_subchannel() NULL
#define cio_get_console_lock() NULL
#define cio_get_console_priv() NULL
+#define cio_get_console_sch_name(schid) NULL
+#define cio_get_console_cdev_name(sch) NULL
#endif
#endif
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 1261e1a9e8c..76bbb1e74c2 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -698,7 +698,7 @@ static int __init setup_css(int nr)
return -ENOMEM;
css->pseudo_subchannel->dev.parent = &css->device;
css->pseudo_subchannel->dev.release = css_subchannel_release;
- sprintf(css->pseudo_subchannel->dev.bus_id, "defunct");
+ dev_set_name(&css->pseudo_subchannel->dev, "defunct");
ret = cio_create_sch_lock(css->pseudo_subchannel);
if (ret) {
kfree(css->pseudo_subchannel);
@@ -707,7 +707,7 @@ static int __init setup_css(int nr)
mutex_init(&css->mutex);
css->valid = 1;
css->cssid = nr;
- sprintf(css->device.bus_id, "css%x", nr);
+ dev_set_name(&css->device, "css%x", nr);
css->device.release = channel_subsystem_release;
tod_high = (u32) (get_clock() >> 32);
css_generate_pgid(css, tod_high);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 28221030b88..4e78c82194b 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -31,6 +31,7 @@
#include "device.h"
#include "ioasm.h"
#include "io_sch.h"
+#include "blacklist.h"
static struct timer_list recovery_timer;
static DEFINE_SPINLOCK(recovery_lock);
@@ -296,36 +297,33 @@ static void ccw_device_unregister(struct ccw_device *cdev)
device_del(&cdev->dev);
}
-static void ccw_device_remove_orphan_cb(struct device *dev)
+static void ccw_device_remove_orphan_cb(struct work_struct *work)
{
- struct ccw_device *cdev = to_ccwdev(dev);
+ struct ccw_device_private *priv;
+ struct ccw_device *cdev;
+ priv = container_of(work, struct ccw_device_private, kick_work);
+ cdev = priv->cdev;
ccw_device_unregister(cdev);
put_device(&cdev->dev);
+ /* Release cdev reference for workqueue processing. */
+ put_device(&cdev->dev);
}
-static void ccw_device_remove_sch_cb(struct device *dev)
-{
- struct subchannel *sch;
-
- sch = to_subchannel(dev);
- css_sch_device_unregister(sch);
- /* Reset intparm to zeroes. */
- sch->schib.pmcw.intparm = 0;
- cio_modify(sch);
- put_device(&sch->dev);
-}
+static void ccw_device_call_sch_unregister(struct work_struct *work);
static void
ccw_device_remove_disconnected(struct ccw_device *cdev)
{
unsigned long flags;
- int rc;
/*
* Forced offline in disconnected state means
* 'throw away device'.
*/
+ /* Get cdev reference for workqueue processing. */
+ if (!get_device(&cdev->dev))
+ return;
if (ccw_device_is_orphan(cdev)) {
/*
* Deregister ccw device.
@@ -335,23 +333,13 @@ ccw_device_remove_disconnected(struct ccw_device *cdev)
spin_lock_irqsave(cdev->ccwlock, flags);
cdev->private->state = DEV_STATE_NOT_OPER;
spin_unlock_irqrestore(cdev->ccwlock, flags);
- rc = device_schedule_callback(&cdev->dev,
- ccw_device_remove_orphan_cb);
- if (rc)
- CIO_MSG_EVENT(0, "Couldn't unregister orphan "
- "0.%x.%04x\n",
- cdev->private->dev_id.ssid,
- cdev->private->dev_id.devno);
- return;
- }
- /* Deregister subchannel, which will kill the ccw device. */
- rc = device_schedule_callback(cdev->dev.parent,
- ccw_device_remove_sch_cb);
- if (rc)
- CIO_MSG_EVENT(0, "Couldn't unregister disconnected device "
- "0.%x.%04x\n",
- cdev->private->dev_id.ssid,
- cdev->private->dev_id.devno);
+ PREPARE_WORK(&cdev->private->kick_work,
+ ccw_device_remove_orphan_cb);
+ } else
+ /* Deregister subchannel, which will kill the ccw device. */
+ PREPARE_WORK(&cdev->private->kick_work,
+ ccw_device_call_sch_unregister);
+ queue_work(slow_path_wq, &cdev->private->kick_work);
}
/**
@@ -970,12 +958,17 @@ static void ccw_device_call_sch_unregister(struct work_struct *work)
priv = container_of(work, struct ccw_device_private, kick_work);
cdev = priv->cdev;
+ /* Get subchannel reference for local processing. */
+ if (!get_device(cdev->dev.parent))
+ return;
sch = to_subchannel(cdev->dev.parent);
css_sch_device_unregister(sch);
/* Reset intparm to zeroes. */
sch->schib.pmcw.intparm = 0;
cio_modify(sch);
+ /* Release cdev reference for workqueue processing.*/
put_device(&cdev->dev);
+ /* Release subchannel reference for local processing. */
put_device(&sch->dev);
}
@@ -1001,6 +994,8 @@ io_subchannel_recog_done(struct ccw_device *cdev)
PREPARE_WORK(&cdev->private->kick_work,
ccw_device_call_sch_unregister);
queue_work(slow_path_wq, &cdev->private->kick_work);
+ /* Release subchannel reference for asynchronous recognition. */
+ put_device(&sch->dev);
if (atomic_dec_and_test(&ccw_device_init_count))
wake_up(&ccw_device_init_wq);
break;
@@ -1040,8 +1035,11 @@ io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch)
init_timer(&priv->timer);
/* Set an initial name for the device. */
- snprintf (cdev->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x",
- sch->schid.ssid, sch->schib.pmcw.dev);
+ if (cio_is_console(sch->schid))
+ cdev->dev.init_name = cio_get_console_cdev_name(sch);
+ else
+ dev_set_name(&cdev->dev, "0.%x.%04x",
+ sch->schid.ssid, sch->schib.pmcw.dev);
/* Increase counter of devices currently in recognition. */
atomic_inc(&ccw_device_init_count);
@@ -1106,7 +1104,7 @@ static void io_subchannel_irq(struct subchannel *sch)
cdev = sch_get_cdev(sch);
CIO_TRACE_EVENT(3, "IRQ");
- CIO_TRACE_EVENT(3, sch->dev.bus_id);
+ CIO_TRACE_EVENT(3, dev_name(&sch->dev));
if (cdev)
dev_fsm_event(cdev, DEV_EVENT_INTERRUPT);
}
@@ -1476,6 +1474,45 @@ static void ccw_device_schedule_recovery(void)
spin_unlock_irqrestore(&recovery_lock, flags);
}
+static int purge_fn(struct device *dev, void *data)
+{
+ struct ccw_device *cdev = to_ccwdev(dev);
+ struct ccw_device_private *priv = cdev->private;
+ int unreg;
+
+ spin_lock_irq(cdev->ccwlock);
+ unreg = is_blacklisted(priv->dev_id.ssid, priv->dev_id.devno) &&
+ (priv->state == DEV_STATE_OFFLINE);
+ spin_unlock_irq(cdev->ccwlock);
+ if (!unreg)
+ goto out;
+ if (!get_device(&cdev->dev))
+ goto out;
+ CIO_MSG_EVENT(3, "ccw: purging 0.%x.%04x\n", priv->dev_id.ssid,
+ priv->dev_id.devno);
+ PREPARE_WORK(&cdev->private->kick_work, ccw_device_call_sch_unregister);
+ queue_work(slow_path_wq, &cdev->private->kick_work);
+
+out:
+ /* Abort loop in case of pending signal. */
+ if (signal_pending(current))
+ return -EINTR;
+
+ return 0;
+}
+
+/**
+ * ccw_purge_blacklisted - purge unused, blacklisted devices
+ *
+ * Unregister all ccw devices that are offline and on the blacklist.
+ */
+int ccw_purge_blacklisted(void)
+{
+ CIO_MSG_EVENT(2, "ccw: purging blacklisted devices\n");
+ bus_for_each_dev(&ccw_bus_type, NULL, NULL, purge_fn);
+ return 0;
+}
+
static void device_set_disconnected(struct ccw_device *cdev)
{
if (!cdev)
@@ -1492,7 +1529,7 @@ void ccw_device_set_notoper(struct ccw_device *cdev)
struct subchannel *sch = to_subchannel(cdev->dev.parent);
CIO_TRACE_EVENT(2, "notoper");
- CIO_TRACE_EVENT(2, sch->dev.bus_id);
+ CIO_TRACE_EVENT(2, dev_name(&sch->dev));
ccw_device_set_timeout(cdev, 0);
cio_disable_subchannel(sch);
cdev->private->state = DEV_STATE_NOT_OPER;
@@ -1591,6 +1628,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int slow)
#ifdef CONFIG_CCW_CONSOLE
static struct ccw_device console_cdev;
+static char console_cdev_name[10] = "0.x.xxxx";
static struct ccw_device_private console_private;
static int console_cdev_in_use;
@@ -1661,6 +1699,14 @@ ccw_device_probe_console(void)
console_cdev.online = 1;
return &console_cdev;
}
+
+
+const char *cio_get_console_cdev_name(struct subchannel *sch)
+{
+ snprintf(console_cdev_name, 10, "0.%x.%04x",
+ sch->schid.ssid, sch->schib.pmcw.dev);
+ return (const char *)console_cdev_name;
+}
#endif
/*
@@ -1673,7 +1719,7 @@ __ccwdev_check_busid(struct device *dev, void *id)
bus_id = id;
- return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0);
+ return (strncmp(bus_id, dev_name(dev), BUS_ID_SIZE) == 0);
}
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 6f5c3f2b358..104ed669db4 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -86,6 +86,7 @@ int ccw_device_is_orphan(struct ccw_device *);
int ccw_device_recognition(struct ccw_device *);
int ccw_device_online(struct ccw_device *);
int ccw_device_offline(struct ccw_device *);
+int ccw_purge_blacklisted(void);
/* Function prototypes for device status and basic sense stuff. */
void ccw_device_accumulate_irb(struct ccw_device *, struct irb *);
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 84cc9ea346d..10bc03940fb 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -52,8 +52,10 @@ static void ccw_timeout_log(struct ccw_device *cdev)
printk(KERN_WARNING "cio: orb:\n");
print_hex_dump(KERN_WARNING, "cio: ", DUMP_PREFIX_NONE, 16, 1,
orb, sizeof(*orb), 0);
- printk(KERN_WARNING "cio: ccw device bus id: %s\n", cdev->dev.bus_id);
- printk(KERN_WARNING "cio: subchannel bus id: %s\n", sch->dev.bus_id);
+ printk(KERN_WARNING "cio: ccw device bus id: %s\n",
+ dev_name(&cdev->dev));
+ printk(KERN_WARNING "cio: subchannel bus id: %s\n",
+ dev_name(&sch->dev));
printk(KERN_WARNING "cio: subchannel lpm: %02x, opm: %02x, "
"vpm: %02x\n", sch->lpm, sch->opm, sch->vpm);
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index ee1a28310fb..eabcc42d63d 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -498,7 +498,7 @@ ccw_device_stlck(struct ccw_device *cdev)
sch = to_subchannel(cdev->dev.parent);
CIO_TRACE_EVENT(2, "stl lock");
- CIO_TRACE_EVENT(2, cdev->dev.bus_id);
+ CIO_TRACE_EVENT(2, dev_name(&cdev->dev));
buf = kmalloc(32*sizeof(char), GFP_DMA|GFP_KERNEL);
if (!buf)
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index 3f8f1cf69c7..c4f3e7c9a85 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -123,7 +123,7 @@ struct ccw_device_private {
void *cmb_wait; /* deferred cmb enable/disable */
};
-static inline int ssch(struct subchannel_id schid, volatile union orb *addr)
+static inline int ssch(struct subchannel_id schid, union orb *addr)
{
register struct subchannel_id reg1 asm("1") = schid;
int ccode = -EIO;
@@ -134,7 +134,9 @@ static inline int ssch(struct subchannel_id schid, volatile union orb *addr)
" srl %0,28\n"
"1:\n"
EX_TABLE(0b, 1b)
- : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
+ : "+d" (ccode)
+ : "d" (reg1), "a" (addr), "m" (*addr)
+ : "cc", "memory");
return ccode;
}
@@ -147,7 +149,9 @@ static inline int rsch(struct subchannel_id schid)
" rsch\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "d" (reg1) : "cc");
+ : "=d" (ccode)
+ : "d" (reg1)
+ : "cc", "memory");
return ccode;
}
@@ -160,7 +164,9 @@ static inline int csch(struct subchannel_id schid)
" csch\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "d" (reg1) : "cc");
+ : "=d" (ccode)
+ : "d" (reg1)
+ : "cc");
return ccode;
}
@@ -173,7 +179,9 @@ static inline int hsch(struct subchannel_id schid)
" hsch\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "d" (reg1) : "cc");
+ : "=d" (ccode)
+ : "d" (reg1)
+ : "cc");
return ccode;
}
@@ -186,7 +194,9 @@ static inline int xsch(struct subchannel_id schid)
" .insn rre,0xb2760000,%1,0\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "d" (reg1) : "cc");
+ : "=d" (ccode)
+ : "d" (reg1)
+ : "cc");
return ccode;
}
diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h
index 9fa2ac13ac8..75926279263 100644
--- a/drivers/s390/cio/ioasm.h
+++ b/drivers/s390/cio/ioasm.h
@@ -23,38 +23,39 @@ struct tpi_info {
* Some S390 specific IO instructions as inline
*/
-static inline int stsch(struct subchannel_id schid,
- volatile struct schib *addr)
+static inline int stsch(struct subchannel_id schid, struct schib *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
asm volatile(
- " stsch 0(%2)\n"
+ " stsch 0(%3)\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
+ : "=d" (ccode), "=m" (*addr)
+ : "d" (reg1), "a" (addr)
+ : "cc");
return ccode;
}
-static inline int stsch_err(struct subchannel_id schid,
- volatile struct schib *addr)
+static inline int stsch_err(struct subchannel_id schid, struct schib *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode = -EIO;
asm volatile(
- " stsch 0(%2)\n"
+ " stsch 0(%3)\n"
"0: ipm %0\n"
" srl %0,28\n"
"1:\n"
EX_TABLE(0b,1b)
- : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
+ : "+d" (ccode), "=m" (*addr)
+ : "d" (reg1), "a" (addr)
+ : "cc");
return ccode;
}
-static inline int msch(struct subchannel_id schid,
- volatile struct schib *addr)
+static inline int msch(struct subchannel_id schid, struct schib *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
@@ -63,12 +64,13 @@ static inline int msch(struct subchannel_id schid,
" msch 0(%2)\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
+ : "=d" (ccode)
+ : "d" (reg1), "a" (addr), "m" (*addr)
+ : "cc");
return ccode;
}
-static inline int msch_err(struct subchannel_id schid,
- volatile struct schib *addr)
+static inline int msch_err(struct subchannel_id schid, struct schib *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode = -EIO;
@@ -79,33 +81,38 @@ static inline int msch_err(struct subchannel_id schid,
" srl %0,28\n"
"1:\n"
EX_TABLE(0b,1b)
- : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
+ : "+d" (ccode)
+ : "d" (reg1), "a" (addr), "m" (*addr)
+ : "cc");
return ccode;
}
-static inline int tsch(struct subchannel_id schid,
- volatile struct irb *addr)
+static inline int tsch(struct subchannel_id schid, struct irb *addr)
{
register struct subchannel_id reg1 asm ("1") = schid;
int ccode;
asm volatile(
- " tsch 0(%2)\n"
+ " tsch 0(%3)\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc");
+ : "=d" (ccode), "=m" (*addr)
+ : "d" (reg1), "a" (addr)
+ : "cc");
return ccode;
}
-static inline int tpi( volatile struct tpi_info *addr)
+static inline int tpi(struct tpi_info *addr)
{
int ccode;
asm volatile(
- " tpi 0(%1)\n"
+ " tpi 0(%2)\n"
" ipm %0\n"
" srl %0,28"
- : "=d" (ccode) : "a" (addr), "m" (*addr) : "cc");
+ : "=d" (ccode), "=m" (*addr)
+ : "a" (addr)
+ : "cc");
return ccode;
}
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index c1a70985abf..e3ea1d5f281 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -16,6 +16,14 @@
#define QDIO_BUSY_BIT_GIVE_UP 2000000 /* 2 seconds = eternity */
#define QDIO_INPUT_THRESHOLD 500 /* 500 microseconds */
+/*
+ * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait
+ * till next initiative to give transmitted skbs back to the stack is too long.
+ * Therefore polling is started in case of multicast queue is filled more
+ * than 50 percent.
+ */
+#define QDIO_IQDIO_POLL_LVL 65 /* HS multicast queue */
+
enum qdio_irq_states {
QDIO_IRQ_STATE_INACTIVE,
QDIO_IRQ_STATE_ESTABLISHED,
@@ -195,6 +203,9 @@ struct qdio_output_q {
/* PCIs are enabled for the queue */
int pci_out_enabled;
+ /* IQDIO: output multiple buffers (enhanced SIGA) */
+ int use_enh_siga;
+
/* timer to check for more outbound work */
struct timer_list timer;
};
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index 337aa3087a7..b5390821434 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -155,7 +155,7 @@ static int qstat_seq_open(struct inode *inode, struct file *filp)
static void get_queue_name(struct qdio_q *q, struct ccw_device *cdev, char *name)
{
memset(name, 0, sizeof(name));
- sprintf(name, "%s", cdev->dev.bus_id);
+ sprintf(name, "%s", dev_name(&cdev->dev));
if (q->is_input_q)
sprintf(name + strlen(name), "_input");
else
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index e6eabc85342..a50682d2a0f 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -316,6 +316,9 @@ static inline int qdio_do_siga_output(struct qdio_q *q, unsigned int *busy_bit)
unsigned int fc = 0;
unsigned long schid;
+ if (q->u.out.use_enh_siga) {
+ fc = 3;
+ }
if (!is_qebsm(q))
schid = *((u32 *)&q->irq_ptr->schid);
else {
@@ -851,6 +854,12 @@ static void __qdio_outbound_processing(struct qdio_q *q)
if (queue_type(q) == QDIO_IQDIO_QFMT && !multicast_outbound(q))
return;
+ if ((queue_type(q) == QDIO_IQDIO_QFMT) &&
+ (atomic_read(&q->nr_buf_used)) > QDIO_IQDIO_POLL_LVL) {
+ tasklet_schedule(&q->tasklet);
+ return;
+ }
+
if (q->u.out.pci_out_enabled)
return;
@@ -956,7 +965,7 @@ static void qdio_handle_activate_check(struct ccw_device *cdev,
char dbf_text[15];
QDIO_DBF_TEXT2(1, trace, "ick2");
- sprintf(dbf_text, "%s", cdev->dev.bus_id);
+ sprintf(dbf_text, "%s", dev_name(&cdev->dev));
QDIO_DBF_TEXT2(1, trace, dbf_text);
QDIO_DBF_HEX2(0, trace, &intparm, sizeof(int));
QDIO_DBF_HEX2(0, trace, &dstat, sizeof(int));
@@ -1443,6 +1452,8 @@ int qdio_establish(struct qdio_initialize *init_data)
}
qdio_setup_ssqd_info(irq_ptr);
+ sprintf(dbf_text, "qDmmwc%2x", irq_ptr->ssqd_desc.mmwc);
+ QDIO_DBF_TEXT2(0, setup, dbf_text);
sprintf(dbf_text, "qib ac%2x", irq_ptr->qib.ac);
QDIO_DBF_TEXT2(0, setup, dbf_text);
@@ -1615,12 +1626,21 @@ static void handle_outbound(struct qdio_q *q, unsigned int callflags,
if (multicast_outbound(q))
qdio_kick_outbound_q(q);
else
- /*
- * One siga-w per buffer required for unicast
- * HiperSockets.
- */
- while (count--)
+ if ((q->irq_ptr->ssqd_desc.mmwc > 1) &&
+ (count > 1) &&
+ (count <= q->irq_ptr->ssqd_desc.mmwc)) {
+ /* exploit enhanced SIGA */
+ q->u.out.use_enh_siga = 1;
qdio_kick_outbound_q(q);
+ } else {
+ /*
+ * One siga-w per buffer required for unicast
+ * HiperSockets.
+ */
+ q->u.out.use_enh_siga = 0;
+ while (count--)
+ qdio_kick_outbound_q(q);
+ }
goto out;
}
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 62b6b55230d..326db1e827c 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -892,8 +892,8 @@ static void ap_scan_bus(struct work_struct *unused)
ap_dev->device.bus = &ap_bus_type;
ap_dev->device.parent = ap_root_device;
- snprintf(ap_dev->device.bus_id, BUS_ID_SIZE, "card%02x",
- AP_QID_DEVICE(ap_dev->qid));
+ dev_set_name(&ap_dev->device, "card%02x",
+ AP_QID_DEVICE(ap_dev->qid));
ap_dev->device.release = ap_device_release;
rc = device_register(&ap_dev->device);
if (rc) {
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index 292b60da6dc..ff4a6931bb8 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -24,6 +24,7 @@
#include <asm/kvm_virtio.h>
#include <asm/setup.h>
#include <asm/s390_ext.h>
+#include <asm/s390_rdev.h>
#define VIRTIO_SUBCODE_64 0x0D00
@@ -241,10 +242,7 @@ static struct virtio_config_ops kvm_vq_configspace_ops = {
* The root device for the kvm virtio devices.
* This makes them appear as /sys/devices/kvm_s390/0,1,2 not /sys/devices/0,1,2.
*/
-static struct device kvm_root = {
- .parent = NULL,
- .bus_id = "kvm_s390",
-};
+static struct device *kvm_root;
/*
* adds a new device and register it with virtio
@@ -261,7 +259,7 @@ static void add_kvm_device(struct kvm_device_desc *d, unsigned int offset)
return;
}
- kdev->vdev.dev.parent = &kvm_root;
+ kdev->vdev.dev.parent = kvm_root;
kdev->vdev.id.device = d->type;
kdev->vdev.config = &kvm_vq_configspace_ops;
kdev->desc = d;
@@ -317,15 +315,16 @@ static int __init kvm_devices_init(void)
if (!MACHINE_IS_KVM)
return -ENODEV;
- rc = device_register(&kvm_root);
- if (rc) {
+ kvm_root = s390_root_dev_register("kvm_s390");
+ if (IS_ERR(kvm_root)) {
+ rc = PTR_ERR(kvm_root);
printk(KERN_ERR "Could not register kvm_s390 root device");
return rc;
}
rc = vmem_add_mapping(PFN_PHYS(max_pfn), PAGE_SIZE);
if (rc) {
- device_unregister(&kvm_root);
+ s390_root_dev_unregister(kvm_root);
return rc;
}
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c
index e10ac9ab2d4..8f83fc994f5 100644
--- a/drivers/s390/net/claw.c
+++ b/drivers/s390/net/claw.c
@@ -299,7 +299,7 @@ claw_probe(struct ccwgroup_device *cgdev)
probe_error(cgdev);
put_device(&cgdev->dev);
printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n",
- cgdev->cdev[0]->dev.bus_id,__func__,__LINE__);
+ dev_name(&cgdev->cdev[0]->dev), __func__, __LINE__);
CLAW_DBF_TEXT_(2, setup, "probex%d", rc);
return rc;
}
@@ -584,7 +584,7 @@ claw_irq_handler(struct ccw_device *cdev,
if (!cdev->dev.driver_data) {
printk(KERN_WARNING "claw: unsolicited interrupt for device:"
"%s received c-%02x d-%02x\n",
- cdev->dev.bus_id, irb->scsw.cmd.cstat,
+ dev_name(&cdev->dev), irb->scsw.cmd.cstat,
irb->scsw.cmd.dstat);
CLAW_DBF_TEXT(2, trace, "badirq");
return;
@@ -598,7 +598,7 @@ claw_irq_handler(struct ccw_device *cdev,
p_ch = &privptr->channel[WRITE];
else {
printk(KERN_WARNING "claw: Can't determine channel for "
- "interrupt, device %s\n", cdev->dev.bus_id);
+ "interrupt, device %s\n", dev_name(&cdev->dev));
CLAW_DBF_TEXT(2, trace, "badchan");
return;
}
@@ -662,7 +662,7 @@ claw_irq_handler(struct ccw_device *cdev,
printk(KERN_WARNING "claw: unsolicited "
"interrupt for device:"
"%s received c-%02x d-%02x\n",
- cdev->dev.bus_id,
+ dev_name(&cdev->dev),
irb->scsw.cmd.cstat,
irb->scsw.cmd.dstat);
return;
@@ -1136,19 +1136,20 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code)
break;
case -ENODEV:
printk(KERN_EMERG "%s: Missing device called "
- "for IO ENODEV\n", cdev->dev.bus_id);
+ "for IO ENODEV\n", dev_name(&cdev->dev));
break;
case -EIO:
printk(KERN_EMERG "%s: Status pending... EIO \n",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
break;
case -EINVAL:
printk(KERN_EMERG "%s: Invalid Dev State EINVAL \n",
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
break;
default:
printk(KERN_EMERG "%s: Unknown error in "
- "Do_IO %d\n",cdev->dev.bus_id, return_code);
+ "Do_IO %d\n", dev_name(&cdev->dev),
+ return_code);
}
}
CLAW_DBF_TEXT(4, trace, "ccwret");
@@ -2848,11 +2849,11 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
struct chbk *p_ch;
struct ccw_dev_id dev_id;
- CLAW_DBF_TEXT_(2, setup, "%s", cdev->dev.bus_id);
+ CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cdev->dev));
privptr->channel[i].flag = i+1; /* Read is 1 Write is 2 */
p_ch = &privptr->channel[i];
p_ch->cdev = cdev;
- snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", cdev->dev.bus_id);
+ snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", dev_name(&cdev->dev));
ccw_device_get_id(cdev, &dev_id);
p_ch->devno = dev_id.devno;
if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) {
@@ -2879,7 +2880,8 @@ claw_new_device(struct ccwgroup_device *cgdev)
int ret;
struct ccw_dev_id dev_id;
- printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id);
+ printk(KERN_INFO "claw: add for %s\n",
+ dev_name(&cgdev->cdev[READ]->dev));
CLAW_DBF_TEXT(2, setup, "new_dev");
privptr = cgdev->dev.driver_data;
cgdev->cdev[READ]->dev.driver_data = privptr;
@@ -2903,14 +2905,16 @@ claw_new_device(struct ccwgroup_device *cgdev)
if (ret != 0) {
printk(KERN_WARNING
"claw: ccw_device_set_online %s READ failed "
- "with ret = %d\n",cgdev->cdev[READ]->dev.bus_id,ret);
+ "with ret = %d\n", dev_name(&cgdev->cdev[READ]->dev),
+ ret);
goto out;
}
ret = ccw_device_set_online(cgdev->cdev[WRITE]);
if (ret != 0) {
printk(KERN_WARNING
"claw: ccw_device_set_online %s WRITE failed "
- "with ret = %d\n",cgdev->cdev[WRITE]->dev.bus_id, ret);
+ "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev)
+ ret);
goto out;
}
dev = alloc_netdev(0,"claw%d",claw_init_netdevice);
@@ -2986,7 +2990,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev)
struct net_device *ndev;
int ret;
- CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
+ CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev));
priv = cgdev->dev.driver_data;
if (!priv)
return -ENODEV;
@@ -3016,11 +3020,11 @@ claw_remove_device(struct ccwgroup_device *cgdev)
struct claw_privbk *priv;
BUG_ON(!cgdev);
- CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id);
+ CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev));
priv = cgdev->dev.driver_data;
BUG_ON(!priv);
printk(KERN_INFO "claw: %s() called %s will be removed.\n",
- __func__,cgdev->cdev[0]->dev.bus_id);
+ __func__, dev_name(&cgdev->cdev[0]->dev));
if (cgdev->state == CCWGROUP_ONLINE)
claw_shutdown_device(cgdev);
claw_remove_files(&cgdev->dev);
diff --git a/drivers/s390/net/claw.h b/drivers/s390/net/claw.h
index 1a89d989f34..005072c420d 100644
--- a/drivers/s390/net/claw.h
+++ b/drivers/s390/net/claw.h
@@ -85,7 +85,7 @@
#define CLAW_MAX_DEV 256 /* max claw devices */
#define MAX_NAME_LEN 8 /* host name, adapter name length */
#define CLAW_FRAME_SIZE 4096
-#define CLAW_ID_SIZE BUS_ID_SIZE+3
+#define CLAW_ID_SIZE 20+3
/* state machine codes used in claw_irq_handler */
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index b11fec24c7d..a4e29836a2a 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -277,18 +277,18 @@ static long ctcm_check_irb_error(struct ccw_device *cdev, struct irb *irb)
CTCM_DBF_TEXT_(ERROR, CTC_DBF_WARN,
"irb error %ld on device %s\n",
- PTR_ERR(irb), cdev->dev.bus_id);
+ PTR_ERR(irb), dev_name(&cdev->dev));
switch (PTR_ERR(irb)) {
case -EIO:
- ctcm_pr_warn("i/o-error on device %s\n", cdev->dev.bus_id);
+ ctcm_pr_warn("i/o-error on device %s\n", dev_name(&cdev->dev));
break;
case -ETIMEDOUT:
- ctcm_pr_warn("timeout on device %s\n", cdev->dev.bus_id);
+ ctcm_pr_warn("timeout on device %s\n", dev_name(&cdev->dev));
break;
default:
ctcm_pr_warn("unknown error %ld on device %s\n",
- PTR_ERR(irb), cdev->dev.bus_id);
+ PTR_ERR(irb), dev_name(&cdev->dev));
}
return PTR_ERR(irb);
}
@@ -1182,7 +1182,7 @@ static void ctcm_irq_handler(struct ccw_device *cdev,
int dstat;
CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG,
- "Enter %s(%s)", CTCM_FUNTAIL, &cdev->dev.bus_id);
+ "Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev));
if (ctcm_check_irb_error(cdev, irb))
return;
@@ -1208,14 +1208,14 @@ static void ctcm_irq_handler(struct ccw_device *cdev,
ch = priv->channel[WRITE];
else {
ctcm_pr_err("ctcm: Can't determine channel for interrupt, "
- "device %s\n", cdev->dev.bus_id);
+ "device %s\n", dev_name(&cdev->dev));
return;
}
dev = ch->netdev;
if (dev == NULL) {
ctcm_pr_crit("ctcm: %s dev=NULL bus_id=%s, ch=0x%p\n",
- __func__, cdev->dev.bus_id, ch);
+ __func__, dev_name(&cdev->dev), ch);
return;
}
@@ -1329,7 +1329,7 @@ static int add_channel(struct ccw_device *cdev, enum channel_types type,
CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO,
"%s(%s), type %d, proto %d",
- __func__, cdev->dev.bus_id, type, priv->protocol);
+ __func__, dev_name(&cdev->dev), type, priv->protocol);
ch = kzalloc(sizeof(struct channel), GFP_KERNEL);
if (ch == NULL)
@@ -1358,7 +1358,7 @@ static int add_channel(struct ccw_device *cdev, enum channel_types type,
goto nomem_return;
ch->cdev = cdev;
- snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", cdev->dev.bus_id);
+ snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev->dev));
ch->type = type;
/**
@@ -1518,8 +1518,8 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev)
type = get_channel_type(&cdev0->id);
- snprintf(read_id, CTCM_ID_SIZE, "ch-%s", cdev0->dev.bus_id);
- snprintf(write_id, CTCM_ID_SIZE, "ch-%s", cdev1->dev.bus_id);
+ snprintf(read_id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev0->dev));
+ snprintf(write_id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev1->dev));
ret = add_channel(cdev0, type, priv);
if (ret)
diff --git a/drivers/s390/net/ctcm_main.h b/drivers/s390/net/ctcm_main.h
index 8e10ee86a5e..d77cce3fe4d 100644
--- a/drivers/s390/net/ctcm_main.h
+++ b/drivers/s390/net/ctcm_main.h
@@ -104,7 +104,7 @@
#define READ 0
#define WRITE 1
-#define CTCM_ID_SIZE BUS_ID_SIZE+3
+#define CTCM_ID_SIZE 20+3
struct ctcm_profile {
unsigned long maxmulti;
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 9bcfa04d863..0825be87e5a 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -492,7 +492,7 @@ lcs_start_channel(struct lcs_channel *channel)
unsigned long flags;
int rc;
- LCS_DBF_TEXT_(4,trace,"ssch%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(4, trace,"ssch%s", dev_name(&channel->ccwdev->dev));
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
rc = ccw_device_start(channel->ccwdev,
channel->ccws + channel->io_idx, 0, 0,
@@ -501,7 +501,8 @@ lcs_start_channel(struct lcs_channel *channel)
channel->state = LCS_CH_STATE_RUNNING;
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
if (rc) {
- LCS_DBF_TEXT_(4,trace,"essh%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(4,trace,"essh%s",
+ dev_name(&channel->ccwdev->dev));
PRINT_ERR("Error in starting channel, rc=%d!\n", rc);
}
return rc;
@@ -514,12 +515,13 @@ lcs_clear_channel(struct lcs_channel *channel)
int rc;
LCS_DBF_TEXT(4,trace,"clearch");
- LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
rc = ccw_device_clear(channel->ccwdev, (addr_t) channel);
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
if (rc) {
- LCS_DBF_TEXT_(4,trace,"ecsc%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(4, trace, "ecsc%s",
+ dev_name(&channel->ccwdev->dev));
return rc;
}
wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_CLEARED));
@@ -540,13 +542,14 @@ lcs_stop_channel(struct lcs_channel *channel)
if (channel->state == LCS_CH_STATE_STOPPED)
return 0;
LCS_DBF_TEXT(4,trace,"haltsch");
- LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
channel->state = LCS_CH_STATE_INIT;
spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
rc = ccw_device_halt(channel->ccwdev, (addr_t) channel);
spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
if (rc) {
- LCS_DBF_TEXT_(4,trace,"ehsc%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(4, trace, "ehsc%s",
+ dev_name(&channel->ccwdev->dev));
return rc;
}
/* Asynchronous halt initialted. Wait for its completion. */
@@ -632,10 +635,11 @@ __lcs_resume_channel(struct lcs_channel *channel)
return 0;
if (channel->ccws[channel->io_idx].flags & CCW_FLAG_SUSPEND)
return 0;
- LCS_DBF_TEXT_(5, trace, "rsch%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(5, trace, "rsch%s", dev_name(&channel->ccwdev->dev));
rc = ccw_device_resume(channel->ccwdev);
if (rc) {
- LCS_DBF_TEXT_(4, trace, "ersc%s", channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(4, trace, "ersc%s",
+ dev_name(&channel->ccwdev->dev));
PRINT_ERR("Error in lcs_resume_channel: rc=%d\n",rc);
} else
channel->state = LCS_CH_STATE_RUNNING;
@@ -1302,18 +1306,18 @@ lcs_check_irb_error(struct ccw_device *cdev, struct irb *irb)
switch (PTR_ERR(irb)) {
case -EIO:
- PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
+ PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev));
LCS_DBF_TEXT(2, trace, "ckirberr");
LCS_DBF_TEXT_(2, trace, " rc%d", -EIO);
break;
case -ETIMEDOUT:
- PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
+ PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev));
LCS_DBF_TEXT(2, trace, "ckirberr");
LCS_DBF_TEXT_(2, trace, " rc%d", -ETIMEDOUT);
break;
default:
PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
LCS_DBF_TEXT(2, trace, "ckirberr");
LCS_DBF_TEXT(2, trace, " rc???");
}
@@ -1390,7 +1394,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
cstat = irb->scsw.cmd.cstat;
dstat = irb->scsw.cmd.dstat;
- LCS_DBF_TEXT_(5, trace, "Rint%s",cdev->dev.bus_id);
+ LCS_DBF_TEXT_(5, trace, "Rint%s", dev_name(&cdev->dev));
LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.cstat,
irb->scsw.cmd.dstat);
LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.fctl,
@@ -1400,7 +1404,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
rc = lcs_get_problem(cdev, irb);
if (rc || (dstat & DEV_STAT_UNIT_EXCEP)) {
PRINT_WARN("check on device %s, dstat=0x%X, cstat=0x%X \n",
- cdev->dev.bus_id, dstat, cstat);
+ dev_name(&cdev->dev), dstat, cstat);
if (rc) {
channel->state = LCS_CH_STATE_ERROR;
}
@@ -1463,7 +1467,7 @@ lcs_tasklet(unsigned long data)
int rc;
channel = (struct lcs_channel *) data;
- LCS_DBF_TEXT_(5, trace, "tlet%s",channel->ccwdev->dev.bus_id);
+ LCS_DBF_TEXT_(5, trace, "tlet%s", dev_name(&channel->ccwdev->dev));
/* Check for processed buffers. */
iob = channel->iob;
@@ -2244,7 +2248,7 @@ lcs_recovery(void *ptr)
return 0;
LCS_DBF_TEXT(4, trace, "recover2");
gdev = card->gdev;
- PRINT_WARN("Recovery of device %s started...\n", gdev->dev.bus_id);
+ PRINT_WARN("Recovery of device %s started...\n", dev_name(&gdev->dev));
rc = __lcs_shutdown_device(gdev, 1);
rc = lcs_new_device(gdev);
if (!rc)
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 9242b5acc66..0fea51e34b5 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1724,7 +1724,7 @@ static int netiucv_register_device(struct net_device *ndev)
IUCV_DBF_TEXT(trace, 3, __func__);
if (dev) {
- snprintf(dev->bus_id, BUS_ID_SIZE, "net%s", ndev->name);
+ dev_set_name(dev, "net%s", ndev->name);
dev->bus = &iucv_bus;
dev->parent = iucv_root;
/*
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index bf8a75c92f2..af6d6045851 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -90,11 +90,11 @@ struct qeth_dbf_info {
#define CARD_RDEV(card) card->read.ccwdev
#define CARD_WDEV(card) card->write.ccwdev
#define CARD_DDEV(card) card->data.ccwdev
-#define CARD_BUS_ID(card) card->gdev->dev.bus_id
-#define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id
-#define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id
-#define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id
-#define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id
+#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
+#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
+#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
+#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
+#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev)
/**
* card stuff
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index c7ab1b86451..141b2bb7b3c 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -745,7 +745,7 @@ static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb)
SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) {
QETH_DBF_TEXT(TRACE, 2, "CGENCHK");
PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ",
- cdev->dev.bus_id, dstat, cstat);
+ dev_name(&cdev->dev), dstat, cstat);
print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET,
16, 1, irb, 64, 1);
return 1;
@@ -784,12 +784,12 @@ static long __qeth_check_irb_error(struct ccw_device *cdev,
switch (PTR_ERR(irb)) {
case -EIO:
- PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id);
+ PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev));
QETH_DBF_TEXT(TRACE, 2, "ckirberr");
QETH_DBF_TEXT_(TRACE, 2, " rc%d", -EIO);
break;
case -ETIMEDOUT:
- PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id);
+ PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev));
QETH_DBF_TEXT(TRACE, 2, "ckirberr");
QETH_DBF_TEXT_(TRACE, 2, " rc%d", -ETIMEDOUT);
if (intparm == QETH_RCD_PARM) {
@@ -803,7 +803,7 @@ static long __qeth_check_irb_error(struct ccw_device *cdev,
break;
default:
PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb),
- cdev->dev.bus_id);
+ dev_name(&cdev->dev));
QETH_DBF_TEXT(TRACE, 2, "ckirberr");
QETH_DBF_TEXT(TRACE, 2, " rc???");
}
@@ -4081,7 +4081,7 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
if (!get_device(dev))
return -ENODEV;
- QETH_DBF_TEXT_(SETUP, 2, "%s", gdev->dev.bus_id);
+ QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev));
card = qeth_alloc_card();
if (!card) {
diff --git a/drivers/s390/s390_rdev.c b/drivers/s390/s390_rdev.c
index 3c7145d9f9a..64371c05a3b 100644
--- a/drivers/s390/s390_rdev.c
+++ b/drivers/s390/s390_rdev.c
@@ -30,7 +30,7 @@ s390_root_dev_register(const char *name)
dev = kzalloc(sizeof(struct device), GFP_KERNEL);
if (!dev)
return ERR_PTR(-ENOMEM);
- strncpy(dev->bus_id, name, min(strlen(name), (size_t)BUS_ID_SIZE));
+ dev_set_name(dev, name);
dev->release = s390_root_dev_release;
ret = device_register(dev);
if (ret) {
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 24255e42dc3..3b56220fb90 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -283,8 +283,8 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
unit->port = port;
unit->fcp_lun = fcp_lun;
- snprintf(unit->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx",
- (unsigned long long) fcp_lun);
+ dev_set_name(&unit->sysfs_device, "0x%016llx",
+ (unsigned long long) fcp_lun);
unit->sysfs_device.parent = &port->sysfs_device;
unit->sysfs_device.release = zfcp_sysfs_unit_release;
dev_set_drvdata(&unit->sysfs_device, unit);
@@ -610,8 +610,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
atomic_set_mask(status | ZFCP_STATUS_COMMON_REMOVE, &port->status);
atomic_set(&port->refcount, 0);
- snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx",
- (unsigned long long) wwpn);
+ dev_set_name(&port->sysfs_device, "0x%016llx", wwpn);
port->sysfs_device.parent = &adapter->ccw_device->dev;
port->sysfs_device.release = zfcp_sysfs_port_release;
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 73eb41580f2..8a13071c444 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -596,7 +596,7 @@ struct zfcp_data {
struct semaphore config_sema; /* serialises configuration
changes */
atomic_t loglevel; /* current loglevel */
- char init_busid[BUS_ID_SIZE];
+ char init_busid[20];
u64 init_wwpn;
u64 init_fcp_lun;
struct kmem_cache *fsf_req_qtcb_cache;
@@ -619,7 +619,7 @@ struct zfcp_fsf_req_qtcb {
#define ZFCP_SET 0x00000100
#define ZFCP_CLEAR 0x00000200
-#define zfcp_get_busid_by_adapter(adapter) (adapter->ccw_device->dev.bus_id)
+#define zfcp_get_busid_by_adapter(adapter) (dev_name(&adapter->ccw_device->dev))
/*
* Helper functions for request ID management.
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 78231313187..9040f738ff3 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1376,7 +1376,7 @@ static int zfcp_erp_thread(void *data)
struct zfcp_erp_action *act;
unsigned long flags;
- daemonize("zfcperp%s", adapter->ccw_device->dev.bus_id);
+ daemonize("zfcperp%s", dev_name(&adapter->ccw_device->dev));
/* Block all signals */
siginitsetinv(&current->blocked, 0);
atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 2809d789b55..ca9293ba176 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -381,7 +381,7 @@ static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, \
static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL);
ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n",
- unit->port->adapter->ccw_device->dev.bus_id);
+ dev_name(&unit->port->adapter->ccw_device->dev));
ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n",
(unsigned long long) unit->port->wwpn);
ZFCP_DEFINE_SCSI_ATTR(fcp_lun, "0x%016llx\n",