diff options
| author | Simon Glass | 2022-09-21 16:21:36 +0200 |
|---|---|---|
| committer | Simon Glass | 2022-09-25 08:30:05 -0600 |
| commit | 1377d448a26aa67907ae86a84d33c02c7c9b9dcd (patch) | |
| tree | c89f40de7229917d54f51138d4bacc62b637fadc /include/scsi_emul.h | |
| parent | 0e0b9e94595a706d86d8a9daca572da9a7de35a0 (diff) | |
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>
Diffstat (limited to 'include/scsi_emul.h')
| -rw-r--r-- | include/scsi_emul.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/scsi_emul.h b/include/scsi_emul.h new file mode 100644 index 00000000000..dec78d239c7 --- /dev/null +++ b/include/scsi_emul.h @@ -0,0 +1,32 @@ +/* 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 |