tests/libqos/malloc.h

   1 /*
   2  * libqos malloc support
   3  *
   4  * Copyright IBM, Corp. 2012-2013
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #ifndef LIBQOS_MALLOC_H
  14 #define LIBQOS_MALLOC_H
  15
  16 #include "qemu/queue.h"
  17 #include "libqtest.h"
  18
  19 typedef enum {
  20     ALLOC_NO_FLAGS    = 0x00,
  21     ALLOC_LEAK_WARN   = 0x01,
  22     ALLOC_LEAK_ASSERT = 0x02,
  23     ALLOC_PARANOID    = 0x04
  24 } QAllocOpts;
  25
  26 typedef QTAILQ_HEAD(MemList, MemBlock) MemList;
  27
  28 typedef struct QGuestAllocator {
  29     QAllocOpts opts;
  30     uint64_t start;
  31     uint64_t end;
  32     uint32_t page_size;
  33
  34     MemList *used;
  35     MemList *free;
  36 } QGuestAllocator;
  37
  38 /* Always returns page aligned values */
  39 uint64_t guest_alloc(QGuestAllocator *allocator, size_t size);
  40 void guest_free(QGuestAllocator *allocator, uint64_t addr);
  41 void migrate_allocator(QGuestAllocator *src, QGuestAllocator *dst);
  42
  43 void alloc_set_flags(QGuestAllocator *allocator, QAllocOpts opts);
  44
  45 void alloc_init(QGuestAllocator *alloc, QAllocOpts flags,
  46                 uint64_t start, uint64_t end,
  47                 size_t page_size);
  48 void alloc_destroy(QGuestAllocator *allocator);
  49
  50 #endif