diff options
Diffstat (limited to 'include/qemu')
-rw-r--r-- | include/qemu/memfd.h | 26 | ||||
-rw-r--r-- | include/qemu/mmap-alloc.h | 10 |
2 files changed, 36 insertions, 0 deletions
diff --git a/include/qemu/memfd.h b/include/qemu/memfd.h new file mode 100644 index 0000000..53858ed --- /dev/null +++ b/include/qemu/memfd.h @@ -0,0 +1,26 @@ +#ifndef QEMU_MEMFD_H +#define QEMU_MEMFD_H + +#include "config-host.h" +#include <stdbool.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 + +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 */ diff --git a/include/qemu/mmap-alloc.h b/include/qemu/mmap-alloc.h new file mode 100644 index 0000000..56388e6 --- /dev/null +++ b/include/qemu/mmap-alloc.h @@ -0,0 +1,10 @@ +#ifndef QEMU_MMAP_ALLOC +#define QEMU_MMAP_ALLOC + +#include "qemu-common.h" + +void *qemu_ram_mmap(int fd, size_t size, size_t align, bool shared); + +void qemu_ram_munmap(void *ptr, size_t size); + +#endif |