1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_DM_IOCTL_V4_H 20 #define _LINUX_DM_IOCTL_V4_H 21 #include <linux/types.h> 22 #define DM_DIR "mapper" 23 #define DM_CONTROL_NODE "control" 24 #define DM_MAX_TYPE_NAME 16 25 #define DM_NAME_LEN 128 26 #define DM_UUID_LEN 129 27 struct dm_ioctl { 28 __u32 version[3]; 29 __u32 data_size; 30 __u32 data_start; 31 __u32 target_count; 32 __s32 open_count; 33 __u32 flags; 34 __u32 event_nr; 35 __u32 padding; 36 __u64 dev; 37 char name[DM_NAME_LEN]; 38 char uuid[DM_UUID_LEN]; 39 char data[7]; 40 }; 41 struct dm_target_spec { 42 __u64 sector_start; 43 __u64 length; 44 __s32 status; 45 __u32 next; 46 char target_type[DM_MAX_TYPE_NAME]; 47 }; 48 struct dm_target_deps { 49 __u32 count; 50 __u32 padding; 51 __u64 dev[0]; 52 }; 53 struct dm_name_list { 54 __u64 dev; 55 __u32 next; 56 char name[0]; 57 }; 58 struct dm_target_versions { 59 __u32 next; 60 __u32 version[3]; 61 char name[0]; 62 }; 63 struct dm_target_msg { 64 __u64 sector; 65 char message[0]; 66 }; 67 enum { 68 DM_VERSION_CMD = 0, 69 DM_REMOVE_ALL_CMD, 70 DM_LIST_DEVICES_CMD, 71 DM_DEV_CREATE_CMD, 72 DM_DEV_REMOVE_CMD, 73 DM_DEV_RENAME_CMD, 74 DM_DEV_SUSPEND_CMD, 75 DM_DEV_STATUS_CMD, 76 DM_DEV_WAIT_CMD, 77 DM_TABLE_LOAD_CMD, 78 DM_TABLE_CLEAR_CMD, 79 DM_TABLE_DEPS_CMD, 80 DM_TABLE_STATUS_CMD, 81 DM_LIST_VERSIONS_CMD, 82 DM_TARGET_MSG_CMD, 83 DM_DEV_SET_GEOMETRY_CMD, 84 DM_DEV_ARM_POLL_CMD, 85 }; 86 #define DM_IOCTL 0xfd 87 #define DM_VERSION _IOWR(DM_IOCTL, DM_VERSION_CMD, struct dm_ioctl) 88 #define DM_REMOVE_ALL _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD, struct dm_ioctl) 89 #define DM_LIST_DEVICES _IOWR(DM_IOCTL, DM_LIST_DEVICES_CMD, struct dm_ioctl) 90 #define DM_DEV_CREATE _IOWR(DM_IOCTL, DM_DEV_CREATE_CMD, struct dm_ioctl) 91 #define DM_DEV_REMOVE _IOWR(DM_IOCTL, DM_DEV_REMOVE_CMD, struct dm_ioctl) 92 #define DM_DEV_RENAME _IOWR(DM_IOCTL, DM_DEV_RENAME_CMD, struct dm_ioctl) 93 #define DM_DEV_SUSPEND _IOWR(DM_IOCTL, DM_DEV_SUSPEND_CMD, struct dm_ioctl) 94 #define DM_DEV_STATUS _IOWR(DM_IOCTL, DM_DEV_STATUS_CMD, struct dm_ioctl) 95 #define DM_DEV_WAIT _IOWR(DM_IOCTL, DM_DEV_WAIT_CMD, struct dm_ioctl) 96 #define DM_DEV_ARM_POLL _IOWR(DM_IOCTL, DM_DEV_ARM_POLL_CMD, struct dm_ioctl) 97 #define DM_TABLE_LOAD _IOWR(DM_IOCTL, DM_TABLE_LOAD_CMD, struct dm_ioctl) 98 #define DM_TABLE_CLEAR _IOWR(DM_IOCTL, DM_TABLE_CLEAR_CMD, struct dm_ioctl) 99 #define DM_TABLE_DEPS _IOWR(DM_IOCTL, DM_TABLE_DEPS_CMD, struct dm_ioctl) 100 #define DM_TABLE_STATUS _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD, struct dm_ioctl) 101 #define DM_LIST_VERSIONS _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, struct dm_ioctl) 102 #define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl) 103 #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) 104 #define DM_VERSION_MAJOR 4 105 #define DM_VERSION_MINOR 37 106 #define DM_VERSION_PATCHLEVEL 0 107 #define DM_VERSION_EXTRA "-ioctl(2017-09-20)" 108 #define DM_READONLY_FLAG (1 << 0) 109 #define DM_SUSPEND_FLAG (1 << 1) 110 #define DM_PERSISTENT_DEV_FLAG (1 << 3) 111 #define DM_STATUS_TABLE_FLAG (1 << 4) 112 #define DM_ACTIVE_PRESENT_FLAG (1 << 5) 113 #define DM_INACTIVE_PRESENT_FLAG (1 << 6) 114 #define DM_BUFFER_FULL_FLAG (1 << 8) 115 #define DM_SKIP_BDGET_FLAG (1 << 9) 116 #define DM_SKIP_LOCKFS_FLAG (1 << 10) 117 #define DM_NOFLUSH_FLAG (1 << 11) 118 #define DM_QUERY_INACTIVE_TABLE_FLAG (1 << 12) 119 #define DM_UEVENT_GENERATED_FLAG (1 << 13) 120 #define DM_UUID_FLAG (1 << 14) 121 #define DM_SECURE_DATA_FLAG (1 << 15) 122 #define DM_DATA_OUT_FLAG (1 << 16) 123 #define DM_DEFERRED_REMOVE (1 << 17) 124 #define DM_INTERNAL_SUSPEND_FLAG (1 << 18) 125 #endif 126
