git: b59ffedae8f3 - main - LinuxKPI: Add helper functions to store integers to linux/xarray.h
Vladimir Kondratyev
wulf at FreeBSD.org
Wed Sep 29 20:27:40 UTC 2021
The branch main has been updated by wulf:
URL: https://cgit.FreeBSD.org/src/commit/?id=b59ffedae8f3707bf0079b4fd0cbf8190eed0c5e
commit b59ffedae8f3707bf0079b4fd0cbf8190eed0c5e
Author: Vladimir Kondratyev <wulf at FreeBSD.org>
AuthorDate: 2021-09-29 20:14:23 +0000
Commit: Vladimir Kondratyev <wulf at FreeBSD.org>
CommitDate: 2021-09-29 20:14:23 +0000
LinuxKPI: Add helper functions to store integers to linux/xarray.h
Required by drm-kmod.
Reviewed by: hselasky
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D32091
---
sys/compat/linuxkpi/common/include/linux/xarray.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/sys/compat/linuxkpi/common/include/linux/xarray.h b/sys/compat/linuxkpi/common/include/linux/xarray.h
index afe66c1f2b5f..7427f6e4f9f9 100644
--- a/sys/compat/linuxkpi/common/include/linux/xarray.h
+++ b/sys/compat/linuxkpi/common/include/linux/xarray.h
@@ -97,4 +97,27 @@ xa_init(struct xarray *xa)
xa_init_flags(xa, 0);
}
+static inline void *
+xa_mk_value(unsigned long v)
+{
+ unsigned long r = (v << 1) | 1;
+
+ return ((void *)r);
+}
+
+static inline bool
+xa_is_value(const void *e)
+{
+ unsigned long v = (unsigned long)e;
+
+ return (v & 1);
+}
+
+static inline unsigned long
+xa_to_value(const void *e)
+{
+ unsigned long v = (unsigned long)e;
+
+ return (v >> 1);
+}
#endif /* _LINUX_XARRAY_H_ */
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