fa02e6084f
Allow a generic interface to alloc_init_flags, not just through pc_alloc_init_flags. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-6-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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* libqos malloc support
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*
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* Copyright IBM, Corp. 2012-2013
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef LIBQOS_MALLOC_H
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#define LIBQOS_MALLOC_H
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#include <stdint.h>
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#include <sys/types.h>
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#include "qemu/queue.h"
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#define MLIST_ENTNAME entries
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typedef enum {
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ALLOC_NO_FLAGS = 0x00,
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ALLOC_LEAK_WARN = 0x01,
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ALLOC_LEAK_ASSERT = 0x02,
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ALLOC_PARANOID = 0x04
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} QAllocOpts;
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typedef QTAILQ_HEAD(MemList, MemBlock) MemList;
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typedef struct MemBlock {
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QTAILQ_ENTRY(MemBlock) MLIST_ENTNAME;
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uint64_t size;
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uint64_t addr;
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} MemBlock;
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typedef struct QGuestAllocator {
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QAllocOpts opts;
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uint64_t start;
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uint64_t end;
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uint32_t page_size;
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MemList used;
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MemList free;
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} QGuestAllocator;
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MemBlock *mlist_new(uint64_t addr, uint64_t size);
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void alloc_uninit(QGuestAllocator *allocator);
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/* Always returns page aligned values */
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uint64_t guest_alloc(QGuestAllocator *allocator, size_t size);
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void guest_free(QGuestAllocator *allocator, uint64_t addr);
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QGuestAllocator *alloc_init(uint64_t start, uint64_t end);
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QGuestAllocator *alloc_init_flags(QAllocOpts flags,
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uint64_t start, uint64_t end);
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#endif
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