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path: root/drivers/xen/xenbus/xenbus_probe.c
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Diffstat (limited to 'drivers/xen/xenbus/xenbus_probe.c')
-rw-r--r--drivers/xen/xenbus/xenbus_probe.c85
1 files changed, 45 insertions, 40 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 038b71dbf03..3c0a74b3e9b 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -30,6 +30,8 @@
* IN THE SOFTWARE.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#define DPRINTK(fmt, args...) \
pr_debug("xenbus_probe (%s:%d) " fmt ".\n", \
__func__, __LINE__, ##args)
@@ -69,6 +71,9 @@ EXPORT_SYMBOL_GPL(xen_store_evtchn);
struct xenstore_domain_interface *xen_store_interface;
EXPORT_SYMBOL_GPL(xen_store_interface);
+enum xenstore_init xen_store_domain_type;
+EXPORT_SYMBOL_GPL(xen_store_domain_type);
+
static unsigned long xen_store_mfn;
static BLOCKING_NOTIFIER_HEAD(xenstore_chain);
@@ -277,15 +282,15 @@ void xenbus_dev_shutdown(struct device *_dev)
get_device(&dev->dev);
if (dev->state != XenbusStateConnected) {
- printk(KERN_INFO "%s: %s: %s != Connected, skipping\n", __func__,
- dev->nodename, xenbus_strstate(dev->state));
+ pr_info("%s: %s: %s != Connected, skipping\n",
+ __func__, dev->nodename, xenbus_strstate(dev->state));
goto out;
}
xenbus_switch_state(dev, XenbusStateClosing);
timeout = wait_for_completion_timeout(&dev->down, timeout);
if (!timeout)
- printk(KERN_INFO "%s: %s timeout closing device\n",
- __func__, dev->nodename);
+ pr_info("%s: %s timeout closing device\n",
+ __func__, dev->nodename);
out:
put_device(&dev->dev);
}
@@ -379,12 +384,14 @@ static ssize_t nodename_show(struct device *dev,
{
return sprintf(buf, "%s\n", to_xenbus_device(dev)->nodename);
}
+static DEVICE_ATTR_RO(nodename);
static ssize_t devtype_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", to_xenbus_device(dev)->devicetype);
}
+static DEVICE_ATTR_RO(devtype);
static ssize_t modalias_show(struct device *dev,
struct device_attribute *attr, char *buf)
@@ -392,14 +399,24 @@ static ssize_t modalias_show(struct device *dev,
return sprintf(buf, "%s:%s\n", dev->bus->name,
to_xenbus_device(dev)->devicetype);
}
+static DEVICE_ATTR_RO(modalias);
+
+static struct attribute *xenbus_dev_attrs[] = {
+ &dev_attr_nodename.attr,
+ &dev_attr_devtype.attr,
+ &dev_attr_modalias.attr,
+ NULL,
+};
-struct device_attribute xenbus_dev_attrs[] = {
- __ATTR_RO(nodename),
- __ATTR_RO(devtype),
- __ATTR_RO(modalias),
- __ATTR_NULL
+static const struct attribute_group xenbus_dev_group = {
+ .attrs = xenbus_dev_attrs,
};
-EXPORT_SYMBOL_GPL(xenbus_dev_attrs);
+
+const struct attribute_group *xenbus_dev_groups[] = {
+ &xenbus_dev_group,
+ NULL,
+};
+EXPORT_SYMBOL_GPL(xenbus_dev_groups);
int xenbus_probe_node(struct xen_bus_type *bus,
const char *type,
@@ -444,7 +461,7 @@ int xenbus_probe_node(struct xen_bus_type *bus,
if (err)
goto fail;
- dev_set_name(&xendev->dev, devname);
+ dev_set_name(&xendev->dev, "%s", devname);
/* Register with generic device framework. */
err = device_register(&xendev->dev);
@@ -576,8 +593,7 @@ int xenbus_dev_suspend(struct device *dev)
if (drv->suspend)
err = drv->suspend(xdev);
if (err)
- printk(KERN_WARNING
- "xenbus: suspend %s failed: %i\n", dev_name(dev), err);
+ pr_warn("suspend %s failed: %i\n", dev_name(dev), err);
return 0;
}
EXPORT_SYMBOL_GPL(xenbus_dev_suspend);
@@ -596,9 +612,8 @@ int xenbus_dev_resume(struct device *dev)
drv = to_xenbus_driver(dev->driver);
err = talk_to_otherend(xdev);
if (err) {
- printk(KERN_WARNING
- "xenbus: resume (talk_to_otherend) %s failed: %i\n",
- dev_name(dev), err);
+ pr_warn("resume (talk_to_otherend) %s failed: %i\n",
+ dev_name(dev), err);
return err;
}
@@ -607,18 +622,15 @@ int xenbus_dev_resume(struct device *dev)
if (drv->resume) {
err = drv->resume(xdev);
if (err) {
- printk(KERN_WARNING
- "xenbus: resume %s failed: %i\n",
- dev_name(dev), err);
+ pr_warn("resume %s failed: %i\n", dev_name(dev), err);
return err;
}
}
err = watch_otherend(xdev);
if (err) {
- printk(KERN_WARNING
- "xenbus_probe: resume (watch_otherend) %s failed: "
- "%d.\n", dev_name(dev), err);
+ pr_warn("resume (watch_otherend) %s failed: %d.\n",
+ dev_name(dev), err);
return err;
}
@@ -719,17 +731,11 @@ static int __init xenstored_local_init(void)
return err;
}
-enum xenstore_init {
- UNKNOWN,
- PV,
- HVM,
- LOCAL,
-};
static int __init xenbus_init(void)
{
int err = 0;
- enum xenstore_init usage = UNKNOWN;
uint64_t v = 0;
+ xen_store_domain_type = XS_UNKNOWN;
if (!xen_domain())
return -ENODEV;
@@ -737,29 +743,29 @@ static int __init xenbus_init(void)
xenbus_ring_ops_init();
if (xen_pv_domain())
- usage = PV;
+ xen_store_domain_type = XS_PV;
if (xen_hvm_domain())
- usage = HVM;
+ xen_store_domain_type = XS_HVM;
if (xen_hvm_domain() && xen_initial_domain())
- usage = LOCAL;
+ xen_store_domain_type = XS_LOCAL;
if (xen_pv_domain() && !xen_start_info->store_evtchn)
- usage = LOCAL;
+ xen_store_domain_type = XS_LOCAL;
if (xen_pv_domain() && xen_start_info->store_evtchn)
xenstored_ready = 1;
- switch (usage) {
- case LOCAL:
+ switch (xen_store_domain_type) {
+ case XS_LOCAL:
err = xenstored_local_init();
if (err)
goto out_error;
xen_store_interface = mfn_to_virt(xen_store_mfn);
break;
- case PV:
+ case XS_PV:
xen_store_evtchn = xen_start_info->store_evtchn;
xen_store_mfn = xen_start_info->store_mfn;
xen_store_interface = mfn_to_virt(xen_store_mfn);
break;
- case HVM:
+ case XS_HVM:
err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v);
if (err)
goto out_error;
@@ -769,7 +775,7 @@ static int __init xenbus_init(void)
goto out_error;
xen_store_mfn = (unsigned long)v;
xen_store_interface =
- ioremap(xen_store_mfn << PAGE_SHIFT, PAGE_SIZE);
+ xen_remap(xen_store_mfn << PAGE_SHIFT, PAGE_SIZE);
break;
default:
pr_warn("Xenstore state unknown\n");
@@ -779,8 +785,7 @@ static int __init xenbus_init(void)
/* Initialize the interface to xenstore. */
err = xs_init();
if (err) {
- printk(KERN_WARNING
- "XENBUS: Error initializing xenstore comms: %i\n", err);
+ pr_warn("Error initializing xenstore comms: %i\n", err);
goto out_error;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 17:29:55 +0000