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#ifndef LIBTIO_IO_SCSI_H
# define LIBTIO_IO_SCSI_H 20190429
# include "../cdefs.h"
TIO_BEGIN_NAMESPACE
/* An SCSI stream serves for interacting with an SCSI-enabled device.
* Using such a stream, you can send an SCSI request and receive the answer.
*
* An SCSI request can be followed with data in two directions: to the
* device and from the device:
* `TIO_SCSI_DIREC_NONE`: no data.
* `TIO_SCSI_DIREC_TO_DEV`: outgoing data.
* `TIO_SCSI_DIREC_FROM_DEV`: incoming data. */
# define TIO_SCSI_DIREC_NONE 0
# define TIO_SCSI_DIREC_TO_DEV 1
# define TIO_SCSI_DIREC_FROM_DEV 2
/* Here is the request structure:
*
* `cmd`: the raw command buffer (of 6, 10, 12 or 16 bytes).
* `cmd_len`: the command length (in bytes).
* `direction` the data transfer direction.
* `data`: the data to transfer (send or receive buffer).
* `data_len`: the data length.
* `status`: the status byte returned by the device. */
TIO_STRUCT(tio_scsi_request, tio_scsi_request_t)
struct tio_scsi_request {
void *tio_scsi_request_cmd;
size_t tio_scsi_request_cmd_len;
int tio_scsi_request_direction;
void *tio_scsi_request_data;
size_t tio_scsi_request_data_len;
int tio_scsi_request_status;
};
TIO_END_NAMESPACE
#endif /* LIBTIO_IO_SCSI_H */
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