Update linux headers to v6.3rc5

[thirdparty/qemu.git] / linux-headers / linux / memfd.h

diff --git a/linux-headers/linux/memfd.h b/linux-headers/linux/memfd.h
new file mode 100644 (file)
index 0000000..01c0324
--- /dev/null
+++ b/linux-headers/linux/memfd.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LINUX_MEMFD_H
+#define _LINUX_MEMFD_H
+
+#include <asm-generic/hugetlb_encode.h>
+
+/* flags for memfd_create(2) (unsigned int) */
+#define MFD_CLOEXEC            0x0001U
+#define MFD_ALLOW_SEALING      0x0002U
+#define MFD_HUGETLB            0x0004U
+/* not executable and sealed to prevent changing to executable. */
+#define MFD_NOEXEC_SEAL                0x0008U
+/* executable */
+#define MFD_EXEC               0x0010U
+
+/*
+ * Huge page size encoding when MFD_HUGETLB is specified, and a huge page
+ * size other than the default is desired.  See hugetlb_encode.h.
+ * All known huge page size encodings are provided here.  It is the
+ * responsibility of the application to know which sizes are supported on
+ * the running system.  See mmap(2) man page for details.
+ */
+#define MFD_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
+#define MFD_HUGE_MASK  HUGETLB_FLAG_ENCODE_MASK
+
+#define MFD_HUGE_64KB  HUGETLB_FLAG_ENCODE_64KB
+#define MFD_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
+#define MFD_HUGE_1MB   HUGETLB_FLAG_ENCODE_1MB
+#define MFD_HUGE_2MB   HUGETLB_FLAG_ENCODE_2MB
+#define MFD_HUGE_8MB   HUGETLB_FLAG_ENCODE_8MB
+#define MFD_HUGE_16MB  HUGETLB_FLAG_ENCODE_16MB
+#define MFD_HUGE_32MB  HUGETLB_FLAG_ENCODE_32MB
+#define MFD_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
+#define MFD_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
+#define MFD_HUGE_1GB   HUGETLB_FLAG_ENCODE_1GB
+#define MFD_HUGE_2GB   HUGETLB_FLAG_ENCODE_2GB
+#define MFD_HUGE_16GB  HUGETLB_FLAG_ENCODE_16GB
+
+#endif /* _LINUX_MEMFD_H */