Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/linux/mtio.h b/include/linux/mtio.h
new file mode 100644
index 0000000..67d0315
--- /dev/null
+++ b/include/linux/mtio.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_MTIO_COMPAT_H
+#define _LINUX_MTIO_COMPAT_H
+
+#include <linux/compat.h>
+#include <uapi/linux/mtio.h>
+#include <linux/uaccess.h>
+
+/*
+ * helper functions for implementing compat ioctls on the four tape
+ * drivers: we define the 32-bit layout of each incompatible structure,
+ * plus a wrapper function to copy it to user space in either format.
+ */
+
+struct mtget32 {
+ s32 mt_type;
+ s32 mt_resid;
+ s32 mt_dsreg;
+ s32 mt_gstat;
+ s32 mt_erreg;
+ s32 mt_fileno;
+ s32 mt_blkno;
+};
+#define MTIOCGET32 _IOR('m', 2, struct mtget32)
+
+struct mtpos32 {
+ s32 mt_blkno;
+};
+#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
+
+static inline int put_user_mtget(void __user *u, struct mtget *k)
+{
+ struct mtget32 k32 = {
+ .mt_type = k->mt_type,
+ .mt_resid = k->mt_resid,
+ .mt_dsreg = k->mt_dsreg,
+ .mt_gstat = k->mt_gstat,
+ .mt_erreg = k->mt_erreg,
+ .mt_fileno = k->mt_fileno,
+ .mt_blkno = k->mt_blkno,
+ };
+ int ret;
+
+ if (in_compat_syscall())
+ ret = copy_to_user(u, &k32, sizeof(k32));
+ else
+ ret = copy_to_user(u, k, sizeof(*k));
+
+ return ret ? -EFAULT : 0;
+}
+
+static inline int put_user_mtpos(void __user *u, struct mtpos *k)
+{
+ if (in_compat_syscall())
+ return put_user(k->mt_blkno, (u32 __user *)u);
+ else
+ return put_user(k->mt_blkno, (long __user *)u);
+}
+
+#endif