common/usbx_host_classes/src/ux_host_class_storage_media_check.c


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/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2026-present Eclipse ThreadX contributors
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** USBX Component                                                        */
/**                                                                       */
/**   Storage Class                                                       */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/


/* Include necessary system files.  */

#define UX_SOURCE_CODE

#include "ux_api.h"
#include "ux_host_class_storage.h"
#include "ux_host_stack.h"


#if defined(UX_HOST_STANDALONE)
/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _ux_host_class_storage_media_check                  PORTABLE C      */
/*                                                           6.1.10       */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function runs state machine to check and mount/unmount storage */
/*    media for current selected logic unit number (LUN).                 */
/*                                                                        */
/*    It's valid only in standalone mode.                                 */
/*    It's blocking.                                                      */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    storage                               Pointer to storage class      */
/*    sector_start                          Starting sector               */
/*    sector_count                          Number of sectors to read     */
/*    data_pointer                          Pointer to data to read       */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _ux_host_class_storage_check_run      Runs check state machine      */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Storage Class                                                       */
/*                                                                        */
/**************************************************************************/
UINT  _ux_host_class_storage_media_check(UX_HOST_CLASS_STORAGE *storage)
{
UINT            status;
    do {
        status = _ux_host_class_storage_check_run(storage);
    } while(status == UX_STATE_WAIT);
    return(storage -> ux_host_class_storage_status);
}


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _uxe_host_class_storage_media_check                 PORTABLE C      */
/*                                                           6.3.0        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks errors in storage media check function call.   */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    storage                               Pointer to storage class      */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Status                                                              */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _ux_host_class_storage_media_check     Check storage media          */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application                                                         */
/*                                                                        */
/**************************************************************************/
UINT  _uxe_host_class_storage_media_check(UX_HOST_CLASS_STORAGE *storage)
{

    /* Sanity check.  */
    if (storage == UX_NULL)
        return(UX_INVALID_PARAMETER);

    /* Invoke storage media check function.  */
    return(_ux_host_class_storage_media_check(storage));
}
#endif