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Library
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package mirage-block-solo5
include Mirage_block.S
The type for block errors.
val pp_error : error Fmt.tpp_error is the pretty-printer for errors.
The type for write errors.
val pp_write_error : write_error Fmt.tpp_write_error is the pretty-printer for write errors.
Disconnect from the device. While this might take some time to complete, it can never result in an error.
val get_info : t -> Mirage_block.info Lwt.tQuery the characteristics of a specific block device
read device sector_start buffers reads data starting at sector_start from the block device into buffers. Ok () means the buffers have been filled. Error _ indicates an I/O error has happened and some of the buffers may not be filled. Each of elements in the list buffers must be a whole number of sectors in length. The list of buffers can be of any length. Some implementations may further require that each element in buffers is exactly sector_size long.
val write :
t ->
int64 ->
Cstruct.t list ->
(unit, write_error) Stdlib.result Lwt.twrite device sector_start buffers writes data from buffers onto the block device starting at sector_start. Ok () means the contents of the buffers have been written. Error _ indicates a partial failure in which some of the writes may not have happened.
Once submitted, it is not possible to cancel a request and there is no timeout.
The operation may fail with: `Is_read_only: the device is read-only, no data has been written.
Each of buffers must be a whole number of sectors in length. The list of buffers can be of any length. Some implementations may further require that each element in buffers is exactly sector_size long.
The data will not be copied, so the supplied buffers must not be re-used until the IO operation completes.