memblock: make memblock_set_node() support different memblock_type

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / memblock.h

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 31e95ac..97480d3 100644 (file)
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -19,9 +19,13 @@
 
 #define INIT_MEMBLOCK_REGIONS  128
 
+/* Definition of memblock flags. */
+#define MEMBLOCK_HOTPLUG       0x1     /* hotpluggable region */
+
 struct memblock_region {
        phys_addr_t base;
        phys_addr_t size;
+       unsigned long flags;
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
        int nid;
 #endif
@@ -35,6 +39,7 @@ struct memblock_type {
 };
 
 struct memblock {
+       bool bottom_up;  /* is bottom up direction? */
        phys_addr_t current_limit;
        struct memblock_type memory;
        struct memblock_type reserved;
@@ -58,6 +63,8 @@ int memblock_remove(phys_addr_t base, phys_addr_t size);
 int memblock_free(phys_addr_t base, phys_addr_t size);
 int memblock_reserve(phys_addr_t base, phys_addr_t size);
 void memblock_trim_memory(phys_addr_t align);
+int memblock_mark_hotplug(phys_addr_t base, phys_addr_t size);
+int memblock_clear_hotplug(phys_addr_t base, phys_addr_t size);
 
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
 int memblock_search_pfn_nid(unsigned long pfn, unsigned long *start_pfn,
@@ -120,8 +127,21 @@ void __next_free_mem_range_rev(u64 *idx, int nid, phys_addr_t *out_start,
             i != (u64)ULLONG_MAX;                                      \
             __next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid))
 
+static inline void memblock_set_region_flags(struct memblock_region *r,
+                                            unsigned long flags)
+{
+       r->flags |= flags;
+}
+
+static inline void memblock_clear_region_flags(struct memblock_region *r,
+                                              unsigned long flags)
+{
+       r->flags &= ~flags;
+}
+
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
-int memblock_set_node(phys_addr_t base, phys_addr_t size, int nid);
+int memblock_set_node(phys_addr_t base, phys_addr_t size,
+                     struct memblock_type *type, int nid);
 
 static inline void memblock_set_region_node(struct memblock_region *r, int nid)
 {
@@ -148,6 +168,29 @@ phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid)
 
 phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align);
 
+#ifdef CONFIG_MOVABLE_NODE
+/*
+ * Set the allocation direction to bottom-up or top-down.
+ */
+static inline void memblock_set_bottom_up(bool enable)
+{
+       memblock.bottom_up = enable;
+}
+
+/*
+ * Check if the allocation direction is bottom-up or not.
+ * if this is true, that said, memblock will allocate memory
+ * in bottom-up direction.
+ */
+static inline bool memblock_bottom_up(void)
+{
+       return memblock.bottom_up;
+}
+#else
+static inline void memblock_set_bottom_up(bool enable) {}
+static inline bool memblock_bottom_up(void) { return false; }
+#endif
+
 /* Flags for memblock_alloc_base() amd __memblock_alloc_base() */
 #define MEMBLOCK_ALLOC_ANYWHERE        (~(phys_addr_t)0)
 #define MEMBLOCK_ALLOC_ACCESSIBLE      0