sys/linux: minor fixes for aio

11 files changed, 134 insertions, 97 deletions

diff --git a/sys/linux/aio.txt b/sys/linux/aio.txt
index 16f42d055..0eb9d4b9a 100644
--- a/sys/linux/aio.txt
+++ b/sys/linux/aio.txt
@@ -1,40 +1,40 @@
 # Copyright 2018 syzkaller project authors. All rights reserved.
 # Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
 
-include <linux/aio_abi.h>
+include <uapi/linux/aio_abi.h>
 
 resource io_ctx[intptr]
 
 io_setup(n int32, ctx ptr[out, io_ctx])
 io_destroy(ctx io_ctx)
-io_getevents(ctx io_ctx, min_nr intptr, nr len[events], events ptr[out, array[io_event]], timeout ptr[in, timespec])
+io_getevents(ctx io_ctx, min_nr intptr, nr len[events], events ptr[out, array[io_event]], timeout ptr[in, timespec, opt])
+io_pgetevents(ctx io_ctx, min_nr intptr, nr len[events], events ptr[out, array[io_event]], timeout ptr[in, timespec, opt], usig ptr[in, sigset_size, opt])
 # TODO: kernel identifies requets by address, so pointers passed to io_submit
 # need to be forwarded to io_cancel somehow.
 io_submit(ctx io_ctx, nr len[iocbpp], iocbpp ptr[in, array[ptr[in, iocb]]])
 io_cancel(ctx io_ctx, iocb ptr[in, iocb], res ptr[out, io_event])
 
-lio_opcode = IOCB_CMD_PREAD, IOCB_CMD_PWRITE, IOCB_CMD_FSYNC, IOCB_CMD_FDSYNC, IOCB_CMD_NOOP, IOCB_CMD_PREADV, IOCB_CMD_PWRITEV
+lio_opcode = IOCB_CMD_PREAD, IOCB_CMD_PWRITE, IOCB_CMD_FSYNC, IOCB_CMD_FDSYNC, IOCB_CMD_NOOP, IOCB_CMD_PREADV, IOCB_CMD_PWRITEV, IOCB_CMD_POLL
 iocb_flags = 0, IOCB_FLAG_RESFD
-iocb_key = 0
 
 io_event {
 	data	int64
 	obj	int64
 	res	int64
-	res2	int32
+	res2	int64
 }
 
 iocb {
-	data	const[0, int64]
-	key	flags[iocb_key, int32]
-	pad	const[0, int32]
-	op	flags[lio_opcode, int16]
-	prio	int16
-	fd	fd
-	buf	ptr64[inout, array[int8]]
-	nbytes	len[buf, int64]
-	offset	int64
-	reserv	const[0, int64]
-	flags	flags[iocb_flags, int32]
-	resfd	fd_event
+	aio_data	const[0, int64]
+	aio_key		const[0, int32]
+	aio_rw_flags	const[0, int32]
+	aio_lio_opcode	flags[lio_opcode, int16]
+	aio_reqprio	int16
+	aio_fildes	fd
+	aio_buf		ptr64[inout, array[int8]]
+	aio_nbytes	len[aio_buf, int64]
+	aio_offset	int64
+	aio_reserved2	const[0, int64]
+	aio_flags	flags[iocb_flags, int32]
+	aio_resfd	fd_event
 }
diff --git a/sys/linux/aio_386.const b/sys/linux/aio_386.const
index 0fa68e2d6..76df5746f 100644
--- a/sys/linux/aio_386.const
+++ b/sys/linux/aio_386.const
@@ -2,6 +2,7 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
@@ -10,5 +11,6 @@ IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 249
 __NR_io_destroy = 246
 __NR_io_getevents = 247
+__NR_io_pgetevents = 385
 __NR_io_setup = 245
 __NR_io_submit = 248
diff --git a/sys/linux/aio_amd64.const b/sys/linux/aio_amd64.const
index 6858a3021..abb2ad9f8 100644
--- a/sys/linux/aio_amd64.const
+++ b/sys/linux/aio_amd64.const
@@ -2,6 +2,7 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
@@ -10,5 +11,6 @@ IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 210
 __NR_io_destroy = 207
 __NR_io_getevents = 208
+__NR_io_pgetevents = 333
 __NR_io_setup = 206
 __NR_io_submit = 209
diff --git a/sys/linux/aio_arm.const b/sys/linux/aio_arm.const
index 688200bc1..0869228eb 100644
--- a/sys/linux/aio_arm.const
+++ b/sys/linux/aio_arm.const
@@ -2,6 +2,7 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
@@ -10,5 +11,6 @@ IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 247
 __NR_io_destroy = 244
 __NR_io_getevents = 245
+# __NR_io_pgetevents is not set
 __NR_io_setup = 243
 __NR_io_submit = 246
diff --git a/sys/linux/aio_arm64.const b/sys/linux/aio_arm64.const
index 39f5c942d..fb0f9b03d 100644
--- a/sys/linux/aio_arm64.const
+++ b/sys/linux/aio_arm64.const
@@ -2,6 +2,7 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
@@ -10,5 +11,6 @@ IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 3
 __NR_io_destroy = 1
 __NR_io_getevents = 4
+__NR_io_pgetevents = 292
 __NR_io_setup = 0
 __NR_io_submit = 2
diff --git a/sys/linux/aio_ppc64le.const b/sys/linux/aio_ppc64le.const
index 08af1fc3a..3c61ac8ed 100644
--- a/sys/linux/aio_ppc64le.const
+++ b/sys/linux/aio_ppc64le.const
@@ -2,6 +2,7 @@
 IOCB_CMD_FDSYNC = 3
 IOCB_CMD_FSYNC = 2
 IOCB_CMD_NOOP = 6
+IOCB_CMD_POLL = 5
 IOCB_CMD_PREAD = 0
 IOCB_CMD_PREADV = 7
 IOCB_CMD_PWRITE = 1
@@ -10,5 +11,6 @@ IOCB_FLAG_RESFD = 1
 __NR_io_cancel = 231
 __NR_io_destroy = 228
 __NR_io_getevents = 229
+# __NR_io_pgetevents is not set
 __NR_io_setup = 227
 __NR_io_submit = 230
diff --git a/sys/linux/gen/386.go b/sys/linux/gen/386.go
index e4fa24800..9c7b22e58 100644
--- a/sys/linux/gen/386.go
+++ b/sys/linux/gen/386.go
@@ -4983,22 +4983,21 @@ var structDescs_386 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "data", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "obj", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res", TypeSize: 8, ArgDir: 1}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "res2", TypeSize: 4, ArgDir: 1}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res2", TypeSize: 8, ArgDir: 1}}},
 	}}},
 	{Key: StructKey{Name: "iocb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "iocb", TypeSize: 64}, Fields: []Type{
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "data", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_key", FldName: "key", TypeSize: 4}}, Vals: []uint64{0}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "op", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "prio", TypeSize: 2}}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nbytes", TypeSize: 8}}, Buf: "buf"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "offset", TypeSize: 8}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserv", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "resfd", TypeSize: 4}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -21979,7 +21978,15 @@ var syscalls_386 = []*Syscall{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 4}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 4}}, Buf: "events"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 4}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 4, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+	}},
+	{NR: 385, Name: "io_pgetevents", CallName: "io_pgetevents", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "io_ctx", FldName: "ctx", TypeSize: 4}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 4}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 4}}, Buf: "events"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 4}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 4, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "usig", TypeSize: 4, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "sigset_size"}}},
 	}},
 	{NR: 245, Name: "io_setup", CallName: "io_setup", Args: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "n", TypeSize: 4}}},
@@ -31889,6 +31896,7 @@ var consts_386 = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
@@ -36291,6 +36299,7 @@ var consts_386 = []ConstValue{
 	{Name: "__NR_io_cancel", Value: 249},
 	{Name: "__NR_io_destroy", Value: 246},
 	{Name: "__NR_io_getevents", Value: 247},
+	{Name: "__NR_io_pgetevents", Value: 385},
 	{Name: "__NR_io_setup", Value: 245},
 	{Name: "__NR_io_submit", Value: 248},
 	{Name: "__NR_ioctl", Value: 54},
@@ -36488,4 +36497,4 @@ var consts_386 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_386 = "4834cc8bb9a0059059dad5ea63d7c006feba5c7e"
+const revision_386 = "07d5b669a7a1a0b250afc0f8937adc4f2c039ca4"
diff --git a/sys/linux/gen/amd64.go b/sys/linux/gen/amd64.go
index dc0840426..ad5013770 100644
--- a/sys/linux/gen/amd64.go
+++ b/sys/linux/gen/amd64.go
@@ -5082,22 +5082,21 @@ var structDescs_amd64 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "data", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "obj", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res", TypeSize: 8, ArgDir: 1}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "res2", TypeSize: 4, ArgDir: 1}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res2", TypeSize: 8, ArgDir: 1}}},
 	}}},
 	{Key: StructKey{Name: "iocb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "iocb", TypeSize: 64}, Fields: []Type{
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "data", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_key", FldName: "key", TypeSize: 4}}, Vals: []uint64{0}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "op", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "prio", TypeSize: 2}}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nbytes", TypeSize: 8}}, Buf: "buf"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "offset", TypeSize: 8}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserv", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "resfd", TypeSize: 4}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -22420,7 +22419,15 @@ var syscalls_amd64 = []*Syscall{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 8}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 8}}, Buf: "events"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+	}},
+	{NR: 333, Name: "io_pgetevents", CallName: "io_pgetevents", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "io_ctx", FldName: "ctx", TypeSize: 8}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 8}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 8}}, Buf: "events"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "usig", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "sigset_size"}}},
 	}},
 	{NR: 206, Name: "io_setup", CallName: "io_setup", Args: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "n", TypeSize: 4}}},
@@ -32549,6 +32556,7 @@ var consts_amd64 = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
@@ -36966,6 +36974,7 @@ var consts_amd64 = []ConstValue{
 	{Name: "__NR_io_cancel", Value: 210},
 	{Name: "__NR_io_destroy", Value: 207},
 	{Name: "__NR_io_getevents", Value: 208},
+	{Name: "__NR_io_pgetevents", Value: 333},
 	{Name: "__NR_io_setup", Value: 206},
 	{Name: "__NR_io_submit", Value: 209},
 	{Name: "__NR_ioctl", Value: 16},
@@ -37173,4 +37182,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_amd64 = "481aa31f07ad28350ffe63499cd5b08e2299dec2"
+const revision_amd64 = "7321a0fb512677313acc4f1ebeaa68b3f47a3442"
diff --git a/sys/linux/gen/arm.go b/sys/linux/gen/arm.go
index 03a873ff2..f91a6eb17 100644
--- a/sys/linux/gen/arm.go
+++ b/sys/linux/gen/arm.go
@@ -4988,22 +4988,21 @@ var structDescs_arm = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "data", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "obj", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res", TypeSize: 8, ArgDir: 1}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "res2", TypeSize: 4, ArgDir: 1}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res2", TypeSize: 8, ArgDir: 1}}},
 	}}},
 	{Key: StructKey{Name: "iocb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "iocb", TypeSize: 64}, Fields: []Type{
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "data", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_key", FldName: "key", TypeSize: 4}}, Vals: []uint64{0}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "op", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "prio", TypeSize: 2}}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nbytes", TypeSize: 8}}, Buf: "buf"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "offset", TypeSize: 8}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserv", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "resfd", TypeSize: 4}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -21862,7 +21861,7 @@ var syscalls_arm = []*Syscall{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 4}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 4}}, Buf: "events"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 4}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 4, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
 	}},
 	{NR: 243, Name: "io_setup", CallName: "io_setup", Args: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "n", TypeSize: 4}}},
@@ -31805,6 +31804,7 @@ var consts_arm = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
@@ -36355,4 +36355,4 @@ var consts_arm = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm = "21c24d07a350f065369bf4db3606dfbbf0ecddd5"
+const revision_arm = "85339b6286a8309690620ef51e21fce96cfeaa12"
diff --git a/sys/linux/gen/arm64.go b/sys/linux/gen/arm64.go
index a9dc62258..5d2351ceb 100644
--- a/sys/linux/gen/arm64.go
+++ b/sys/linux/gen/arm64.go
@@ -5082,22 +5082,21 @@ var structDescs_arm64 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "data", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "obj", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res", TypeSize: 8, ArgDir: 1}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "res2", TypeSize: 4, ArgDir: 1}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res2", TypeSize: 8, ArgDir: 1}}},
 	}}},
 	{Key: StructKey{Name: "iocb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "iocb", TypeSize: 64}, Fields: []Type{
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "data", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_key", FldName: "key", TypeSize: 4}}, Vals: []uint64{0}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "op", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "prio", TypeSize: 2}}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nbytes", TypeSize: 8}}, Buf: "buf"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "offset", TypeSize: 8}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserv", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "resfd", TypeSize: 4}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -22147,7 +22146,15 @@ var syscalls_arm64 = []*Syscall{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 8}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 8}}, Buf: "events"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+	}},
+	{NR: 292, Name: "io_pgetevents", CallName: "io_pgetevents", Args: []Type{
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "io_ctx", FldName: "ctx", TypeSize: 8}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 8}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 8}}, Buf: "events"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "usig", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "sigset_size"}}},
 	}},
 	{Name: "io_setup", CallName: "io_setup", Args: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "n", TypeSize: 4}}},
@@ -32019,6 +32026,7 @@ var consts_arm64 = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
@@ -36379,6 +36387,7 @@ var consts_arm64 = []ConstValue{
 	{Name: "__NR_io_cancel", Value: 3},
 	{Name: "__NR_io_destroy", Value: 1},
 	{Name: "__NR_io_getevents", Value: 4},
+	{Name: "__NR_io_pgetevents", Value: 292},
 	{Name: "__NR_io_setup"},
 	{Name: "__NR_io_submit", Value: 2},
 	{Name: "__NR_ioctl", Value: 29},
@@ -36559,4 +36568,4 @@ var consts_arm64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm64 = "e1500c432dd088ec7acbc4d5d596ce0966267779"
+const revision_arm64 = "477596f47c60bcb98a175c9c4df0982feff218d9"
diff --git a/sys/linux/gen/ppc64le.go b/sys/linux/gen/ppc64le.go
index bfaed2619..56df9c1cc 100644
--- a/sys/linux/gen/ppc64le.go
+++ b/sys/linux/gen/ppc64le.go
@@ -5073,22 +5073,21 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "data", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "obj", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res", TypeSize: 8, ArgDir: 1}}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "res2", TypeSize: 4, ArgDir: 1}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "res2", TypeSize: 8, ArgDir: 1}}},
 	}}},
 	{Key: StructKey{Name: "iocb"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "iocb", TypeSize: 64}, Fields: []Type{
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "data", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_key", FldName: "key", TypeSize: 4}}, Vals: []uint64{0}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "op", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "prio", TypeSize: 2}}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nbytes", TypeSize: 8}}, Buf: "buf"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "offset", TypeSize: 8}}},
-		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "reserv", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
-		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "resfd", TypeSize: 4}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_data", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_key", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_rw_flags", TypeSize: 4}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "lio_opcode", FldName: "aio_lio_opcode", TypeSize: 2}}, Vals: []uint64{0, 1, 2, 3, 6, 7, 8, 5}},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "aio_reqprio", TypeSize: 2}}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "aio_fildes", TypeSize: 4}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "aio_buf", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "aio_nbytes", TypeSize: 8}}, Buf: "aio_buf"},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "aio_offset", TypeSize: 8}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "aio_reserved2", TypeSize: 8}}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "iocb_flags", FldName: "aio_flags", TypeSize: 4}}, Vals: []uint64{0, 1}},
+		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_event", FldName: "aio_resfd", TypeSize: 4}},
 	}}},
 	{Key: StructKey{Name: "ion_allocation_data", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "ion_allocation_data", TypeSize: 24, ArgDir: 2}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "len", TypeSize: 8, ArgDir: 2}}},
@@ -21246,7 +21245,7 @@ var syscalls_ppc64le = []*Syscall{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "min_nr", TypeSize: 8}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "nr", TypeSize: 8}}, Buf: "events"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "events", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "io_event", Dir: 1}}}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "timeout", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "timespec"}}},
 	}},
 	{NR: 227, Name: "io_setup", CallName: "io_setup", Args: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "n", TypeSize: 4}}},
@@ -30466,6 +30465,7 @@ var consts_ppc64le = []ConstValue{
 	{Name: "IOCB_CMD_FDSYNC", Value: 3},
 	{Name: "IOCB_CMD_FSYNC", Value: 2},
 	{Name: "IOCB_CMD_NOOP", Value: 6},
+	{Name: "IOCB_CMD_POLL", Value: 5},
 	{Name: "IOCB_CMD_PREAD"},
 	{Name: "IOCB_CMD_PREADV", Value: 7},
 	{Name: "IOCB_CMD_PWRITE", Value: 1},
@@ -33969,4 +33969,4 @@ var consts_ppc64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_ppc64le = "258eb025835ee668ac6466001ffcc0fe051b377f"
+const revision_ppc64le = "bf27af2c473538a5ad60c9aa42185834aa7fa451"