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fc7a7ed3a6
Move the buffer into this struct so it can be shared between different implementations. Signed-off-by: Simon Glass <sjg@chromium.org>
37 lines
946 B
C
37 lines
946 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Emulation of enough SCSI commands to find and read from a unit
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*
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* Copyright 2022 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*
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* implementations of SCSI functions required so that CONFIG_SCSI can be enabled
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* for sandbox
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*/
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#ifndef __scsi_emul_h
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#define __scsi_emul_h
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/**
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* struct scsi_emul_info - information for emulating a SCSI device
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*
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* @phase: Current SCSI phase
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* @buff_used: Number of bytes ready to transfer back to host
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* @read_len: Number of bytes of data left in the current read command
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* @alloc_len: Allocation length from the last incoming command
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* @transfer_len: Transfer length from CBW header
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* @buff: Data buffer for outgoing data
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*/
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struct scsi_emul_info {
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/* provided by the caller: */
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void *buff;
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/* state maintained by the emulator: */
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enum scsi_cmd_phase phase;
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int buff_used;
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int read_len;
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int alloc_len;
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uint transfer_len;
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};
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#endif
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