diff options
Diffstat (limited to 'include/uapi/linux/dm-ioctl.h')
| -rw-r--r-- | include/uapi/linux/dm-ioctl.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h index 6622912c2342..7edf335778ba 100644 --- a/include/uapi/linux/dm-ioctl.h +++ b/include/uapi/linux/dm-ioctl.h @@ -182,7 +182,7 @@ struct dm_target_spec { struct dm_target_deps { __u32 count; /* Array size */ __u32 padding; /* unused */ - __u64 dev[0]; /* out */ + __u64 dev[]; /* out */ }; /* @@ -192,9 +192,23 @@ struct dm_name_list { __u64 dev; __u32 next; /* offset to the next record from the _start_ of this */ - char name[0]; + char name[]; + + /* + * The following members can be accessed by taking a pointer that + * points immediately after the terminating zero character in "name" + * and aligning this pointer to next 8-byte boundary. + * Uuid is present if the flag DM_NAME_LIST_FLAG_HAS_UUID is set. + * + * __u32 event_nr; + * __u32 flags; + * char uuid[0]; + */ }; +#define DM_NAME_LIST_FLAG_HAS_UUID 1 +#define DM_NAME_LIST_FLAG_DOESNT_HAVE_UUID 2 + /* * Used to retrieve the target versions */ @@ -202,7 +216,7 @@ struct dm_target_versions { __u32 next; __u32 version[3]; - char name[0]; + char name[]; }; /* @@ -211,7 +225,7 @@ struct dm_target_versions { struct dm_target_msg { __u64 sector; /* Device sector */ - char message[0]; + char message[]; }; /* @@ -272,9 +286,9 @@ enum { #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 42 +#define DM_VERSION_MINOR 47 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2020-02-27)" +#define DM_VERSION_EXTRA "-ioctl (2022-07-28)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ @@ -362,4 +376,10 @@ enum { */ #define DM_INTERNAL_SUSPEND_FLAG (1 << 18) /* Out */ +/* + * If set, returns in the in buffer passed by UM, the raw table information + * that would be measured by IMA subsystem on device state change. + */ +#define DM_IMA_MEASUREMENT_FLAG (1 << 19) /* In */ + #endif /* _LINUX_DM_IOCTL_H */ |