types: add NVME_VAL() definition

This is to get the field mask value shifted. Signed-off-by: Tokunori Ikegami <[email protected]>
linux-nvme · Sep 16, 2024 · e3129c1 · e3129c1
1 parent 8194960
commit e3129c1
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/nvme/types.h b/src/nvme/types.h
@@ -55,6 +55,14 @@
  */
 #define NVME_CHECK(value, name, check) ((value) == NVME_##name##_##check)
 
+/**
+ * NVME_VAL() - get mask value shifted
+ * @name: The name of the sub-field within an nvme value
+ *
+ * Returns: The mask value shifted
+ */
+#define NVME_VAL(name) (NVME_##name##_MASK << NVME_##name##_SHIFT)
+
 /**
  * enum nvme_constants - A place to stash various constant nvme values
  * @NVME_NSID_ALL:		A broadcast value that is used to specify all