#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */
#define IORESOURCE_DISABLED 0x10000000
-#define IORESOURCE_UNSET 0x20000000
+#define IORESOURCE_UNSET 0x20000000 /* No address assigned yet */
#define IORESOURCE_AUTO 0x40000000
#define IORESOURCE_BUSY 0x80000000 /* Driver has marked this resource busy */
{
return res->flags & IORESOURCE_TYPE_BITS;
}
+/* True iff r1 completely contains r2 */
+static inline bool resource_contains(struct resource *r1, struct resource *r2)
+{
+ if (resource_type(r1) != resource_type(r2))
+ return false;
+ if (r1->flags & IORESOURCE_UNSET || r2->flags & IORESOURCE_UNSET)
+ return false;
+ return r1->start <= r2->start && r1->end >= r2->end;
+}
+
/* Convenience shorthand with allocation */
#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name), 0)