[igt-dev] [PATCH i-g-t v2] lib: move upper_32_bits() and lower_32_bits() to library

[Daniel Mrzyglod]

Move inline upper_32_bits() and lower_32_bits() function from tests to
library. Functiom will be usefull for elsewhere use.

v2: fix function description

Cc: Katarzyna Dec <katarzyna.dec at intel.com>
Signed-off-by: Daniel Mrzyglod <daniel.t.mrzyglod at intel.com>
---
 lib/ioctl_wrappers.h        | 20 ++++++++++++++++++++
 tests/i915/gem_exec_fence.c | 10 ----------
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index 7614e688c..9b29fce81 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -244,4 +244,24 @@ static inline void *from_user_pointer(uint64_t u64)
 	return (void *)(uintptr_t)u64;
 }
 
+/**
+ * lower_32_bits:
+ *
+ * return bits 0-31 of a number.
+ */
+static inline uint32_t lower_32_bits(uint64_t x)
+{
+	return x & 0xffffffff;
+}
+
+/**
+ * upper_32_bits:
+ *
+ * return bits 32-63 of a number.
+ */
+static inline uint32_t upper_32_bits(uint64_t x)
+{
+	return x >> 32;
+}
+
 #endif /* IOCTL_WRAPPERS_H */
diff --git a/tests/i915/gem_exec_fence.c b/tests/i915/gem_exec_fence.c
index 9b3735325..ebd0f931f 100644
--- a/tests/i915/gem_exec_fence.c
+++ b/tests/i915/gem_exec_fence.c
@@ -590,16 +590,6 @@ static uint32_t batch_create(int fd)
 	return handle;
 }
 
-static inline uint32_t lower_32_bits(uint64_t x)
-{
-	return x & 0xffffffff;
-}
-
-static inline uint32_t upper_32_bits(uint64_t x)
-{
-	return x >> 32;
-}
-
 static void test_keep_in_fence(int fd, const struct intel_execution_engine2 *e)
 {
 	struct sigaction sa = { .sa_handler = alarm_handler };
-- 
2.21.1