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# 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 <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, 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])
# NEED: 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, IOCB_CMD_POLL
iocb_flags = IOCB_FLAG_RESFD, IOCB_FLAG_IOPRIO
io_event {
data int64
obj int64
res int64
res2 int64
}
iocb {
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[opt]
}
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