26 lines
792 B
C
26 lines
792 B
C
#ifndef QEMU_MEMFD_H
|
|
#define QEMU_MEMFD_H
|
|
|
|
|
|
#ifndef F_LINUX_SPECIFIC_BASE
|
|
#define F_LINUX_SPECIFIC_BASE 1024
|
|
#endif
|
|
|
|
#ifndef F_ADD_SEALS
|
|
#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
|
|
#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
|
|
|
|
#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
|
|
#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
|
|
#define F_SEAL_GROW 0x0004 /* prevent file from growing */
|
|
#define F_SEAL_WRITE 0x0008 /* prevent writes */
|
|
#endif
|
|
|
|
int qemu_memfd_create(const char *name, size_t size, unsigned int seals);
|
|
void *qemu_memfd_alloc(const char *name, size_t size, unsigned int seals,
|
|
int *fd);
|
|
void qemu_memfd_free(void *ptr, size_t size, int fd);
|
|
bool qemu_memfd_check(void);
|
|
|
|
#endif /* QEMU_MEMFD_H */
|