2ef8c0c99b
Learn to specificy hugetlb size as qemu_memfd_create() argument. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20180201132757.23063-4-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
27 lines
878 B
C
27 lines
878 B
C
#ifndef QEMU_MEMFD_H
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#define QEMU_MEMFD_H
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#ifndef F_LINUX_SPECIFIC_BASE
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#define F_LINUX_SPECIFIC_BASE 1024
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#endif
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#ifndef F_ADD_SEALS
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#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
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#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
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#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
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#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
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#define F_SEAL_GROW 0x0004 /* prevent file from growing */
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#define F_SEAL_WRITE 0x0008 /* prevent writes */
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#endif
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int qemu_memfd_create(const char *name, size_t size, bool hugetlb,
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uint64_t hugetlbsize, unsigned int seals, Error **errp);
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void *qemu_memfd_alloc(const char *name, size_t size, unsigned int seals,
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int *fd, Error **errp);
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void qemu_memfd_free(void *ptr, size_t size, int fd);
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bool qemu_memfd_check(void);
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#endif /* QEMU_MEMFD_H */
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