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path: root/drivers/xen/xenbus
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Diffstat (limited to 'drivers/xen/xenbus')
-rw-r--r--drivers/xen/xenbus/xenbus_client.c3
-rw-r--r--drivers/xen/xenbus/xenbus_probe.c28
-rw-r--r--drivers/xen/xenbus/xenbus_xs.c1
3 files changed, 24 insertions, 8 deletions
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 9678b3e98c6..92a1ef80a28 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -136,7 +136,6 @@ EXPORT_SYMBOL_GPL(xenbus_watch_pathfmt);
/**
* xenbus_switch_state
* @dev: xenbus device
- * @xbt: transaction handle
* @state: new state
*
* Advertise in the store a change of the given driver to the given new_state.
@@ -267,7 +266,7 @@ EXPORT_SYMBOL_GPL(xenbus_dev_error);
* @fmt: error message format
*
* Equivalent to xenbus_dev_error(dev, err, fmt, args), followed by
- * xenbus_switch_state(dev, NULL, XenbusStateClosing) to schedule an orderly
+ * xenbus_switch_state(dev, XenbusStateClosing) to schedule an orderly
* closedown of this driver and its peer.
*/
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index b2a03184a24..773d1cf2328 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -40,6 +40,7 @@
#include <linux/ctype.h>
#include <linux/fcntl.h>
#include <linux/mm.h>
+#include <linux/proc_fs.h>
#include <linux/notifier.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
@@ -55,7 +56,10 @@
#include "xenbus_comms.h"
#include "xenbus_probe.h"
+
int xen_store_evtchn;
+EXPORT_SYMBOL(xen_store_evtchn);
+
struct xenstore_domain_interface *xen_store_interface;
static unsigned long xen_store_mfn;
@@ -166,6 +170,9 @@ static int read_backend_details(struct xenbus_device *xendev)
return read_otherend_details(xendev, "backend-id", "backend");
}
+static struct device_attribute xenbus_dev_attrs[] = {
+ __ATTR_NULL
+};
/* Bus type for frontend drivers. */
static struct xen_bus_type xenbus_frontend = {
@@ -174,12 +181,13 @@ static struct xen_bus_type xenbus_frontend = {
.get_bus_id = frontend_bus_id,
.probe = xenbus_probe_frontend,
.bus = {
- .name = "xen",
- .match = xenbus_match,
- .uevent = xenbus_uevent,
- .probe = xenbus_dev_probe,
- .remove = xenbus_dev_remove,
- .shutdown = xenbus_dev_shutdown,
+ .name = "xen",
+ .match = xenbus_match,
+ .uevent = xenbus_uevent,
+ .probe = xenbus_dev_probe,
+ .remove = xenbus_dev_remove,
+ .shutdown = xenbus_dev_shutdown,
+ .dev_attrs = xenbus_dev_attrs,
},
};
@@ -852,6 +860,14 @@ static int __init xenbus_probe_init(void)
if (!xen_initial_domain())
xenbus_probe(NULL);
+#ifdef CONFIG_XEN_COMPAT_XENFS
+ /*
+ * Create xenfs mountpoint in /proc for compatibility with
+ * utilities that expect to find "xenbus" under "/proc/xen".
+ */
+ proc_mkdir("xen", NULL);
+#endif
+
return 0;
out_unreg_back:
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 7f2f91c0e11..e325eab4724 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -184,6 +184,7 @@ void *xenbus_dev_request_and_reply(struct xsd_sockmsg *msg)
return ret;
}
+EXPORT_SYMBOL(xenbus_dev_request_and_reply);
/* Send message to xs, get kmalloc'ed reply. ERR_PTR() on error. */
static void *xs_talkv(struct xenbus_transaction t,