include/asm-ppc64/imalloc.h

   1 #ifndef _PPC64_IMALLOC_H
   2 #define _PPC64_IMALLOC_H
   3
   4 /*
   5  * Define the address range of the imalloc VM area.
   6  */
   7 #define PHBS_IO_BASE      VMALLOC_END
   8 #define IMALLOC_BASE      (PHBS_IO_BASE + 0x80000000ul) /* Reserve 2 gigs for PHBs */
   9 #define IMALLOC_END       (VMALLOC_START + PGTABLE_RANGE)
  10
  11
  12 /* imalloc region types */
  13 #define IM_REGION_UNUSED        0x1
  14 #define IM_REGION_SUBSET        0x2
  15 #define IM_REGION_EXISTS        0x4
  16 #define IM_REGION_OVERLAP       0x8
  17 #define IM_REGION_SUPERSET      0x10
  18
  19 extern struct vm_struct * im_get_free_area(unsigned long size);
  20 extern struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
  21                                       int region_type);
  22 extern void im_free(void *addr);
  23
  24 extern unsigned long ioremap_bot;
  25
  26 #endif /* _PPC64_IMALLOC_H */