diff options
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/xen-sys/Linux/gntdev.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/include/xen-sys/Linux/gntdev.h b/tools/include/xen-sys/Linux/gntdev.h index c95e46b663..8bd1467893 100644 --- a/tools/include/xen-sys/Linux/gntdev.h +++ b/tools/include/xen-sys/Linux/gntdev.h @@ -102,4 +102,18 @@ struct ioctl_gntdev_get_offset_for_vaddr { uint32_t pad; }; +/* + * Sets the maximum number of grants that may mapped at once by this gntdev + * instance. + * + * N.B. This must be called before any other ioctl is performed on the device. + */ +#define IOCTL_GNTDEV_SET_MAX_GRANTS \ +_IOC(_IOC_NONE, 'G', 3, sizeof(struct ioctl_gntdev_set_max_grants)) +struct ioctl_gntdev_set_max_grants { + /* IN parameter */ + /* The maximum number of grants that may be mapped at once. */ + uint32_t count; +}; + #endif /* __LINUX_PUBLIC_GNTDEV_H__ */ |