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-rw-r--r--src/include/device/resource.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/include/device/resource.h b/src/include/device/resource.h
index 1d04e9a1c8..c97b01d22f 100644
--- a/src/include/device/resource.h
+++ b/src/include/device/resource.h
@@ -91,4 +91,24 @@ static inline void *res2mmio(struct resource *res, unsigned long offset,
return (void *)(uintptr_t)((res->base + offset) & ~mask);
}
+/*
+ * Pick largest resource on the bus using the given mask and type.
+ * Params:
+ * bus = Bus from which the resource needs to picked from.
+ * result_res = If NULL, there was no previous resource picked on this bus, else it points to
+ * the last picked resource.
+ * type_mask = Mask to be applied when searching for resource
+ * type = Expected type for the resource
+ *
+ * Returns:
+ * If resource is found, returns the device and sets result_rest to point to the resource. Else
+ * returns NULL.
+ */
+const struct device *largest_resource(struct bus *bus, struct resource **result_res,
+ unsigned long type_mask, unsigned long type);
+
+
+/* Compute and allocate resources. This is the main resource allocator entry point. */
+void allocate_resources(const struct device *root);
+
#endif /* DEVICE_RESOURCE_H */