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-rw-r--r--rust/helpers/build_bug.c1
-rw-r--r--rust/helpers/cred.c13
-rw-r--r--rust/helpers/err.c1
-rw-r--r--rust/helpers/fs.c12
-rw-r--r--rust/helpers/helpers.c6
-rw-r--r--rust/helpers/jump_label.c14
-rw-r--r--rust/helpers/kunit.c1
-rw-r--r--rust/helpers/mutex.c1
-rw-r--r--rust/helpers/pid_namespace.c26
-rw-r--r--rust/helpers/refcount.c1
-rw-r--r--rust/helpers/security.c20
-rw-r--r--rust/helpers/signal.c1
-rw-r--r--rust/helpers/slab.c6
-rw-r--r--rust/helpers/spinlock.c14
-rw-r--r--rust/helpers/task.c39
-rw-r--r--rust/helpers/vmalloc.c9
-rw-r--r--rust/helpers/wait.c1
-rw-r--r--rust/helpers/workqueue.c1
18 files changed, 155 insertions, 12 deletions
diff --git a/rust/helpers/build_bug.c b/rust/helpers/build_bug.c
index e994f7b5928c0..44e5794880373 100644
--- a/rust/helpers/build_bug.c
+++ b/rust/helpers/build_bug.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/errname.h>
const char *rust_helper_errname(int err)
diff --git a/rust/helpers/cred.c b/rust/helpers/cred.c
new file mode 100644
index 0000000000000..fde7ae20cdd19
--- /dev/null
+++ b/rust/helpers/cred.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/cred.h>
+
+const struct cred *rust_helper_get_cred(const struct cred *cred)
+{
+ return get_cred(cred);
+}
+
+void rust_helper_put_cred(const struct cred *cred)
+{
+ put_cred(cred);
+}
diff --git a/rust/helpers/err.c b/rust/helpers/err.c
index be3d45ef78a25..544c7cb866328 100644
--- a/rust/helpers/err.c
+++ b/rust/helpers/err.c
@@ -1,7 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/err.h>
-#include <linux/export.h>
__force void *rust_helper_ERR_PTR(long err)
{
diff --git a/rust/helpers/fs.c b/rust/helpers/fs.c
new file mode 100644
index 0000000000000..a75c967633724
--- /dev/null
+++ b/rust/helpers/fs.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2024 Google LLC.
+ */
+
+#include <linux/fs.h>
+
+struct file *rust_helper_get_file(struct file *f)
+{
+ return get_file(f);
+}
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index 30f40149f3a96..dcf827a61b52e 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -11,16 +11,22 @@
#include "bug.c"
#include "build_assert.c"
#include "build_bug.c"
+#include "cred.c"
#include "err.c"
+#include "fs.c"
+#include "jump_label.c"
#include "kunit.c"
#include "mutex.c"
#include "page.c"
+#include "pid_namespace.c"
#include "rbtree.c"
#include "refcount.c"
+#include "security.c"
#include "signal.c"
#include "slab.c"
#include "spinlock.c"
#include "task.c"
#include "uaccess.c"
+#include "vmalloc.c"
#include "wait.c"
#include "workqueue.c"
diff --git a/rust/helpers/jump_label.c b/rust/helpers/jump_label.c
new file mode 100644
index 0000000000000..fc1f1e0df08e7
--- /dev/null
+++ b/rust/helpers/jump_label.c
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Copyright (C) 2024 Google LLC.
+ */
+
+#include <linux/jump_label.h>
+
+#ifndef CONFIG_JUMP_LABEL
+int rust_helper_static_key_count(struct static_key *key)
+{
+ return static_key_count(key);
+}
+#endif
diff --git a/rust/helpers/kunit.c b/rust/helpers/kunit.c
index 9d725067eb3bc..b85a4d394c118 100644
--- a/rust/helpers/kunit.c
+++ b/rust/helpers/kunit.c
@@ -1,7 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <kunit/test-bug.h>
-#include <linux/export.h>
struct kunit *rust_helper_kunit_get_current_test(void)
{
diff --git a/rust/helpers/mutex.c b/rust/helpers/mutex.c
index a17ca8cdb50ca..7e00680958ef1 100644
--- a/rust/helpers/mutex.c
+++ b/rust/helpers/mutex.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/mutex.h>
void rust_helper_mutex_lock(struct mutex *lock)
diff --git a/rust/helpers/pid_namespace.c b/rust/helpers/pid_namespace.c
new file mode 100644
index 0000000000000..f41482bdec9a7
--- /dev/null
+++ b/rust/helpers/pid_namespace.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/pid_namespace.h>
+#include <linux/cleanup.h>
+
+struct pid_namespace *rust_helper_get_pid_ns(struct pid_namespace *ns)
+{
+ return get_pid_ns(ns);
+}
+
+void rust_helper_put_pid_ns(struct pid_namespace *ns)
+{
+ put_pid_ns(ns);
+}
+
+/* Get a reference on a task's pid namespace. */
+struct pid_namespace *rust_helper_task_get_pid_ns(struct task_struct *task)
+{
+ struct pid_namespace *pid_ns;
+
+ guard(rcu)();
+ pid_ns = task_active_pid_ns(task);
+ if (pid_ns)
+ get_pid_ns(pid_ns);
+ return pid_ns;
+}
diff --git a/rust/helpers/refcount.c b/rust/helpers/refcount.c
index f47afc148ec36..d6adbd2e45a18 100644
--- a/rust/helpers/refcount.c
+++ b/rust/helpers/refcount.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/refcount.h>
refcount_t rust_helper_REFCOUNT_INIT(int n)
diff --git a/rust/helpers/security.c b/rust/helpers/security.c
new file mode 100644
index 0000000000000..239e5b4745fe8
--- /dev/null
+++ b/rust/helpers/security.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/security.h>
+
+#ifndef CONFIG_SECURITY
+void rust_helper_security_cred_getsecid(const struct cred *c, u32 *secid)
+{
+ security_cred_getsecid(c, secid);
+}
+
+int rust_helper_security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
+{
+ return security_secid_to_secctx(secid, secdata, seclen);
+}
+
+void rust_helper_security_release_secctx(char *secdata, u32 seclen)
+{
+ security_release_secctx(secdata, seclen);
+}
+#endif
diff --git a/rust/helpers/signal.c b/rust/helpers/signal.c
index 63c407f80c26b..1a6bbe9438e28 100644
--- a/rust/helpers/signal.c
+++ b/rust/helpers/signal.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/sched/signal.h>
int rust_helper_signal_pending(struct task_struct *t)
diff --git a/rust/helpers/slab.c b/rust/helpers/slab.c
index f043e087f9d66..a842bfbddcba9 100644
--- a/rust/helpers/slab.c
+++ b/rust/helpers/slab.c
@@ -7,3 +7,9 @@ rust_helper_krealloc(const void *objp, size_t new_size, gfp_t flags)
{
return krealloc(objp, new_size, flags);
}
+
+void * __must_check __realloc_size(2)
+rust_helper_kvrealloc(const void *p, size_t size, gfp_t flags)
+{
+ return kvrealloc(p, size, flags);
+}
diff --git a/rust/helpers/spinlock.c b/rust/helpers/spinlock.c
index acc1376b833c7..5971fdf6f7550 100644
--- a/rust/helpers/spinlock.c
+++ b/rust/helpers/spinlock.c
@@ -1,16 +1,19 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/spinlock.h>
void rust_helper___spin_lock_init(spinlock_t *lock, const char *name,
struct lock_class_key *key)
{
#ifdef CONFIG_DEBUG_SPINLOCK
+# if defined(CONFIG_PREEMPT_RT)
+ __spin_lock_init(lock, name, key, false);
+# else /*!CONFIG_PREEMPT_RT */
__raw_spin_lock_init(spinlock_check(lock), name, key, LD_WAIT_CONFIG);
-#else
+# endif /* CONFIG_PREEMPT_RT */
+#else /* !CONFIG_DEBUG_SPINLOCK */
spin_lock_init(lock);
-#endif
+#endif /* CONFIG_DEBUG_SPINLOCK */
}
void rust_helper_spin_lock(spinlock_t *lock)
@@ -22,3 +25,8 @@ void rust_helper_spin_unlock(spinlock_t *lock)
{
spin_unlock(lock);
}
+
+int rust_helper_spin_trylock(spinlock_t *lock)
+{
+ return spin_trylock(lock);
+}
diff --git a/rust/helpers/task.c b/rust/helpers/task.c
index 7ac789232d11c..31c33ea2dce6f 100644
--- a/rust/helpers/task.c
+++ b/rust/helpers/task.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/sched/task.h>
struct task_struct *rust_helper_get_current(void)
@@ -17,3 +16,41 @@ void rust_helper_put_task_struct(struct task_struct *t)
{
put_task_struct(t);
}
+
+kuid_t rust_helper_task_uid(struct task_struct *task)
+{
+ return task_uid(task);
+}
+
+kuid_t rust_helper_task_euid(struct task_struct *task)
+{
+ return task_euid(task);
+}
+
+#ifndef CONFIG_USER_NS
+uid_t rust_helper_from_kuid(struct user_namespace *to, kuid_t uid)
+{
+ return from_kuid(to, uid);
+}
+#endif /* CONFIG_USER_NS */
+
+bool rust_helper_uid_eq(kuid_t left, kuid_t right)
+{
+ return uid_eq(left, right);
+}
+
+kuid_t rust_helper_current_euid(void)
+{
+ return current_euid();
+}
+
+struct user_namespace *rust_helper_current_user_ns(void)
+{
+ return current_user_ns();
+}
+
+pid_t rust_helper_task_tgid_nr_ns(struct task_struct *tsk,
+ struct pid_namespace *ns)
+{
+ return task_tgid_nr_ns(tsk, ns);
+}
diff --git a/rust/helpers/vmalloc.c b/rust/helpers/vmalloc.c
new file mode 100644
index 0000000000000..80d34501bbc01
--- /dev/null
+++ b/rust/helpers/vmalloc.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/vmalloc.h>
+
+void * __must_check __realloc_size(2)
+rust_helper_vrealloc(const void *p, size_t size, gfp_t flags)
+{
+ return vrealloc(p, size, flags);
+}
diff --git a/rust/helpers/wait.c b/rust/helpers/wait.c
index c7336bbf27507..ae48e33d9da3b 100644
--- a/rust/helpers/wait.c
+++ b/rust/helpers/wait.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/wait.h>
void rust_helper_init_wait(struct wait_queue_entry *wq_entry)
diff --git a/rust/helpers/workqueue.c b/rust/helpers/workqueue.c
index f59427acc3237..b2b82753509bf 100644
--- a/rust/helpers/workqueue.c
+++ b/rust/helpers/workqueue.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/export.h>
#include <linux/workqueue.h>
void rust_helper_init_work_with_key(struct work_struct *work, work_func_t func,
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-28 04:21:24 +0000