aboutsummaryrefslogtreecommitdiff
path: root/tools/include/uapi/linux/bits.h
diff options
context:
space:
mode:
authorRodrigo Vivi <[email protected]>2024-06-12 11:31:42 -0400
committerRodrigo Vivi <[email protected]>2024-06-12 11:31:42 -0400
commit89aa02edaa30e4327ebc8fca9b80795bbfd4ce9b (patch)
tree10c96a25b500be034e38db049a22f53881b0fb4d /tools/include/uapi/linux/bits.h
parentec3ac2c8d941dad959dcdc760aa43bc45785d346 (diff)
parent1ddaaa244021aba8496536a6627b4ad2bc0f936a (diff)
Merge drm/drm-next into drm-xe-next
Needed to get tracing cleanup and add mmio tracing series. Signed-off-by: Rodrigo Vivi <[email protected]>
Diffstat (limited to 'tools/include/uapi/linux/bits.h')
-rw-r--r--tools/include/uapi/linux/bits.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bits.h b/tools/include/uapi/linux/bits.h
new file mode 100644
index 000000000000..3c2a101986a3
--- /dev/null
+++ b/tools/include/uapi/linux/bits.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* bits.h: Macros for dealing with bitmasks. */
+
+#ifndef _UAPI_LINUX_BITS_H
+#define _UAPI_LINUX_BITS_H
+
+#define __GENMASK(h, l) \
+ (((~_UL(0)) - (_UL(1) << (l)) + 1) & \
+ (~_UL(0) >> (__BITS_PER_LONG - 1 - (h))))
+
+#define __GENMASK_ULL(h, l) \
+ (((~_ULL(0)) - (_ULL(1) << (l)) + 1) & \
+ (~_ULL(0) >> (__BITS_PER_LONG_LONG - 1 - (h))))
+
+#endif /* _UAPI_LINUX_BITS_H */