| 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 |