u-boot/include/scsi_emul.h
Simon Glass 1377d448a2 scsi: Move core emulation state into a new struct
In preparation for sharing the emulation code between two drivers, move
some of the fields into a new struct. Use a separate header file so it
can be used by various drivers.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-09-25 08:30:05 -06:00

32 lines
820 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Emulation of enough SCSI commands to find and read from a unit
*
* Copyright 2022 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*
* implementations of SCSI functions required so that CONFIG_SCSI can be enabled
* for sandbox
*/
#ifndef __scsi_emul_h
#define __scsi_emul_h
/**
* struct scsi_emul_info - information for emulating a SCSI device
*
* @phase: Current SCSI phase
* @buff_used: Number of bytes ready to transfer back to host
* @read_len: Number of bytes of data left in the current read command
* @alloc_len: Allocation length from the last incoming command
* @transfer_len: Transfer length from CBW header
*/
struct scsi_emul_info {
enum scsi_cmd_phase phase;
int buff_used;
int read_len;
int alloc_len;
uint transfer_len;
};
#endif