unix: add constants and types to work with Linux loop devices

Change-Id: I0996df39a561b50822a6e42e770d96421d6b4965
Reviewed-on: https://go-review.googlesource.com/c/sys/+/185498
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

unix/linux/types.go

@@ -55,6 +55,7 @@ package unix
 #include <linux/icmpv6.h>
 #include <linux/if_pppox.h>
 #include <linux/keyctl.h>
+#include <linux/loop.h>
 #include <linux/netfilter/nf_tables.h>
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter.h>
@@ -2004,3 +2005,15 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = C._LINUX_CAPABILITY_VERSION_2
 	LINUX_CAPABILITY_VERSION_3 = C._LINUX_CAPABILITY_VERSION_3
 )
+
+// Loop devices
+
+const (
+	LO_FLAGS_READ_ONLY = C.LO_FLAGS_READ_ONLY
+	LO_FLAGS_AUTOCLEAR = C.LO_FLAGS_AUTOCLEAR
+	LO_FLAGS_PARTSCAN  = C.LO_FLAGS_PARTSCAN
+	LO_FLAGS_DIRECT_IO = C.LO_FLAGS_DIRECT_IO
+)
+
+type LoopInfo C.struct_loop_info
+type LoopInfo64 C.struct_loop_info64

unix/mkerrors.sh

@@ -199,6 +199,7 @@ struct ltchars {
 #include <linux/fs.h>
 #include <linux/kexec.h>
 #include <linux/keyctl.h>
+#include <linux/loop.h>
 #include <linux/magic.h>
 #include <linux/memfd.h>
 #include <linux/module.h>
@@ -435,6 +436,8 @@ ccflags="$@"
 		$2 ~ /^TC[IO](ON|OFF)$/ ||
 		$2 ~ /^IN_/ ||
 		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
+		$2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
+		$2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
 		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|MCAST|EVFILT|NOTE|EV|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
 		$2 ~ /^TP_STATUS_/ ||
 		$2 ~ /^FALLOC_/ ||

unix/zerrors_linux_386.go

@@ -1149,6 +1149,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_amd64.go

@@ -1149,6 +1149,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_arm.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_arm64.go

@@ -1151,6 +1151,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_mips.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_mips64.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_mips64le.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_mipsle.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_ppc64.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_ppc64le.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_riscv64.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_s390x.go

@@ -1148,6 +1148,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/zerrors_linux_sparc64.go

@@ -1152,6 +1152,20 @@ const (
 	LOCK_NB                              = 0x4
 	LOCK_SH                              = 0x1
 	LOCK_UN                              = 0x8
+	LOOP_CLR_FD                          = 0x4c01
+	LOOP_CTL_ADD                         = 0x4c80
+	LOOP_CTL_GET_FREE                    = 0x4c82
+	LOOP_CTL_REMOVE                      = 0x4c81
+	LOOP_GET_STATUS                      = 0x4c03
+	LOOP_GET_STATUS64                    = 0x4c05
+	LOOP_SET_BLOCK_SIZE                  = 0x4c09
+	LOOP_SET_CAPACITY                    = 0x4c07
+	LOOP_SET_DIRECT_IO                   = 0x4c08
+	LOOP_SET_FD                          = 0x4c00
+	LOOP_SET_STATUS                      = 0x4c02
+	LOOP_SET_STATUS64                    = 0x4c04
+	LO_KEY_SIZE                          = 0x20
+	LO_NAME_SIZE                         = 0x40
 	MADV_DODUMP                          = 0x11
 	MADV_DOFORK                          = 0xb
 	MADV_DONTDUMP                        = 0x10

unix/ztypes_linux_386.go

@@ -2484,3 +2484,40 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint16
+	Inode            uint32
+	Rdevice          uint16
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint32
+	Reserved         [4]int8
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_amd64.go

@@ -2497,3 +2497,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]int8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_arm.go

@@ -2475,3 +2475,40 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint16
+	Inode            uint32
+	Rdevice          uint16
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint32
+	Reserved         [4]uint8
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_arm64.go

@@ -2476,3 +2476,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint32
+	Inode            uint64
+	Rdevice          uint32
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]int8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_mips.go

@@ -2481,3 +2481,40 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint32
+	Inode            uint32
+	Rdevice          uint32
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint32
+	Reserved         [4]int8
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_mips64.go

@@ -2478,3 +2478,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint32
+	Inode            uint64
+	Rdevice          uint32
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]int8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_mips64le.go

@@ -2478,3 +2478,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint32
+	Inode            uint64
+	Rdevice          uint32
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]int8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_mipsle.go

@@ -2481,3 +2481,40 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint32
+	Inode            uint32
+	Rdevice          uint32
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint32
+	Reserved         [4]int8
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_ppc64.go

@@ -2486,3 +2486,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]uint8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_ppc64le.go

@@ -2486,3 +2486,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]uint8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_riscv64.go

@@ -2503,3 +2503,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint32
+	Inode            uint64
+	Rdevice          uint32
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]uint8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_s390x.go

@@ -2500,3 +2500,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint16
+	Inode            uint64
+	Rdevice          uint16
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]int8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}

unix/ztypes_linux_sparc64.go

@@ -2481,3 +2481,41 @@ const (
 	LINUX_CAPABILITY_VERSION_2 = 0x20071026
 	LINUX_CAPABILITY_VERSION_3 = 0x20080522
 )
+
+const (
+	LO_FLAGS_READ_ONLY = 0x1
+	LO_FLAGS_AUTOCLEAR = 0x4
+	LO_FLAGS_PARTSCAN  = 0x8
+	LO_FLAGS_DIRECT_IO = 0x10
+)
+
+type LoopInfo struct {
+	Number           int32
+	Device           uint32
+	Inode            uint64
+	Rdevice          uint32
+	Offset           int32
+	Encrypt_type     int32
+	Encrypt_key_size int32
+	Flags            int32
+	Name             [64]int8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+	Reserved         [4]int8
+	_                [4]byte
+}
+type LoopInfo64 struct {
+	Device           uint64
+	Inode            uint64
+	Rdevice          uint64
+	Offset           uint64
+	Sizelimit        uint64
+	Number           uint32
+	Encrypt_type     uint32
+	Encrypt_key_size uint32
+	Flags            uint32
+	File_name        [64]uint8
+	Crypt_name       [64]uint8
+	Encrypt_key      [32]uint8
+	Init             [2]uint64
+}