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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** USBX Component */ |
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/** */ |
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/** Device Storage Class */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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#define UX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "ux_api.h" |
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#include "ux_device_class_storage.h" |
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#include "ux_device_stack.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _ux_device_class_storage_mode_select PORTABLE C */ |
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/* 6.1.10 */ |
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/* AUTHOR */ |
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/* */ |
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/* Chaoqiong Xiao, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function performs a MODE_SELECT SCSI command. It is not */ |
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/* supported in this release. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* storage Pointer to storage class */ |
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/* endpoint_in Pointer to IN endpoint */ |
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/* endpoint_out Pointer to OUT endpoint */ |
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/* cbwcb Pointer to CBWCB */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* Completion Status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _ux_device_stack_endpoint_stall Stall endpoint */ |
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/* _ux_device_class_storage_csw_send Send CSW */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Device Storage Class */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ |
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/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ |
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/* optimized command logic, */ |
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/* resulting in version 6.1 */ |
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/* 12-31-2020 Chaoqiong Xiao Modified comment(s), */ |
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/* fixed USB CV test issues, */ |
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/* resulting in version 6.1.3 */ |
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/* 01-31-2022 Chaoqiong Xiao Modified comment(s), */ |
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/* added standalone support, */ |
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/* resulting in version 6.1.10 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _ux_device_class_storage_mode_select(UX_SLAVE_CLASS_STORAGE *storage, ULONG lun, |
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UX_SLAVE_ENDPOINT *endpoint_in, |
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UX_SLAVE_ENDPOINT *endpoint_out, UCHAR * cbwcb) |
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{ |
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UX_PARAMETER_NOT_USED(endpoint_in); |
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UX_PARAMETER_NOT_USED(cbwcb); |
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/* If trace is enabled, insert this event into the trace buffer. */ |
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UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_STORAGE_MODE_SELECT, storage, lun, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0) |
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/* This command is not yet supported. So Stall the endpoint. */ |
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✓✓ |
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if (storage -> ux_slave_class_storage_host_length) |
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{ |
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#if !defined(UX_DEVICE_STANDALONE) |
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_ux_device_stack_endpoint_stall(endpoint_out); |
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#else |
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UX_PARAMETER_NOT_USED(endpoint_out); |
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#endif |
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storage -> ux_slave_class_storage_csw_residue = storage -> ux_slave_class_storage_host_length; |
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} |
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/* And update the REQUEST_SENSE codes. */ |
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storage -> ux_slave_class_storage_lun[lun].ux_slave_class_storage_request_sense_status = |
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UX_DEVICE_CLASS_STORAGE_SENSE_STATUS(0x05,0x26,0x01); |
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/* Now we set the CSW with failure. */ |
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storage -> ux_slave_class_storage_csw_status = UX_SLAVE_CLASS_STORAGE_CSW_FAILED; |
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/* Error trap. */ |
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_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_CLASS, UX_FUNCTION_NOT_SUPPORTED); |
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/* If trace is enabled, insert this event into the trace buffer. */ |
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UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_FUNCTION_NOT_SUPPORTED, 0, 0, 0, UX_TRACE_ERRORS, 0, 0) |
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/* Return not supported error! */ |
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return(UX_FUNCTION_NOT_SUPPORTED); |
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} |
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