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Index: head/sys/compat/linuxkpi/common/include/linux/device.h
===================================================================
--- head/sys/compat/linuxkpi/common/include/linux/device.h
+++ head/sys/compat/linuxkpi/common/include/linux/device.h
@@ -40,7 +40,6 @@
#include <linux/types.h>
#include <linux/module.h>
#include <linux/workqueue.h>
-#include <linux/sysfs.h>
#include <linux/kdev_t.h>
#include <asm/atomic.h>
@@ -316,6 +315,10 @@
dev->devt = makedev(0, device_get_unit(dev->bsddev));
}
kobject_add(&dev->kobj, &dev->class->kobj, dev_name(dev));
+
+ if (dev->groups)
+ return (sysfs_create_groups(&dev->kobj, dev->groups));
+
return (0);
}
Index: head/sys/compat/linuxkpi/common/include/linux/sysfs.h
===================================================================
--- head/sys/compat/linuxkpi/common/include/linux/sysfs.h
+++ head/sys/compat/linuxkpi/common/include/linux/sysfs.h
@@ -175,6 +175,27 @@
sysfs_remove_file(kobj, attrs[i]);
}
+static inline int
+sysfs_create_group(struct kobject *kobj, const struct attribute_group *grp)
+{
+ struct attribute **attr;
+ struct sysctl_oid *oidp;
+
+ /* Don't create the group node if grp->name is undefined. */
+ if (grp->name)
+ oidp = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(kobj->oidp),
+ OID_AUTO, grp->name, CTLFLAG_RD|CTLFLAG_MPSAFE, NULL, grp->name);
+ else
+ oidp = kobj->oidp;
+ for (attr = grp->attrs; *attr != NULL; attr++) {
+ SYSCTL_ADD_OID(NULL, SYSCTL_CHILDREN(oidp), OID_AUTO,
+ (*attr)->name, CTLTYPE_STRING|CTLFLAG_RW|CTLFLAG_MPSAFE,
+ kobj, (uintptr_t)*attr, sysctl_handle_attr, "A", "");
+ }
+
+ return (0);
+}
+
static inline void
sysfs_remove_group(struct kobject *kobj, const struct attribute_group *grp)
{
@@ -184,20 +205,40 @@
}
static inline int
-sysfs_create_group(struct kobject *kobj, const struct attribute_group *grp)
+sysfs_create_groups(struct kobject *kobj, const struct attribute_group **grps)
{
+ int error = 0;
+ int i;
+
+ for (i = 0; grps[i] && !error; i++)
+ error = sysfs_create_group(kobj, grps[i]);
+ while (error && --i >= 0)
+ sysfs_remove_group(kobj, grps[i]);
+
+ return (error);
+}
+
+static inline int
+sysfs_merge_group(struct kobject *kobj, const struct attribute_group *grp)
+{
+
+ /* Really expected behavior is to return failure if group exists. */
+ return (sysfs_create_group(kobj, grp));
+}
+
+static inline void
+sysfs_unmerge_group(struct kobject *kobj, const struct attribute_group *grp)
+{
struct attribute **attr;
struct sysctl_oid *oidp;
- oidp = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(kobj->oidp),
- OID_AUTO, grp->name, CTLFLAG_RD|CTLFLAG_MPSAFE, NULL, grp->name);
- for (attr = grp->attrs; *attr != NULL; attr++) {
- SYSCTL_ADD_OID(NULL, SYSCTL_CHILDREN(oidp), OID_AUTO,
- (*attr)->name, CTLTYPE_STRING|CTLFLAG_RW|CTLFLAG_MPSAFE,
- kobj, (uintptr_t)*attr, sysctl_handle_attr, "A", "");
+ SLIST_FOREACH(oidp, SYSCTL_CHILDREN(kobj->oidp), oid_link) {
+ if (strcmp(oidp->oid_name, grp->name) != 0)
+ continue;
+ for (attr = grp->attrs; *attr != NULL; attr++) {
+ sysctl_remove_name(oidp, (*attr)->name, 1, 1);
+ }
}
-
- return (0);
}
static inline int
@@ -222,6 +263,22 @@
if (kobj->oidp == NULL)
return;
sysctl_remove_oid(kobj->oidp, 1, 1);
+}
+
+static inline bool
+sysfs_streq(const char *s1, const char *s2)
+{
+ int l1, l2;
+
+ l1 = strlen(s1);
+ l2 = strlen(s2);
+
+ if (l1 != 0 && s1[l1-1] == '\n')
+ l1--;
+ if (l2 != 0 && s2[l2-1] == '\n')
+ l2--;
+
+ return (l1 == l2 && strncmp(s1, s2, l1) == 0);
}
#define sysfs_attr_init(attr) do {} while(0)
Index: head/sys/sys/param.h
===================================================================
--- head/sys/sys/param.h
+++ head/sys/sys/param.h
@@ -60,7 +60,7 @@
* in the range 5 to 9.
*/
#undef __FreeBSD_version
-#define __FreeBSD_version 1300045 /* Master, propagated to newvers */
+#define __FreeBSD_version 1300046 /* Master, propagated to newvers */
/*
* __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,

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