common/usbx_host_classes/src/ux_host_class_pima_object_delete.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                                                        */
/**                                                                       */
/**   PIMA Class                                                          */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/


/* Include necessary system files.  */

#define UX_SOURCE_CODE

#include "ux_api.h"
#include "ux_host_class_pima.h"
#include "ux_host_stack.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _ux_host_class_pima_object_delete                   PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function deletes an object. If the object handle is set to     */
/*    0xFFFFFFFF then all objects on the media are deleted.               */
/*                                                                        */
/*                                                                        */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    pima                                       Pointer to pima class    */
/*    pima_session                               Pointer to pima session  */
/*    object_handle                              The object handle        */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*  _ux_host_class_pima_command                 Pima command function     */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    USB application                                                     */
/*                                                                        */
/**************************************************************************/
UINT  _ux_host_class_pima_object_delete(UX_HOST_CLASS_PIMA *pima,
                                        UX_HOST_CLASS_PIMA_SESSION *pima_session,
                                        ULONG object_handle)
{

UX_HOST_CLASS_PIMA_COMMAND             command;
UINT                                status;

    /* If trace is enabled, insert this event into the trace buffer.  */
    UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_CLASS_PIMA_OBJECT_DELETE, pima, object_handle, 0, 0, UX_TRACE_HOST_CLASS_EVENTS, 0, 0)

    /* Check if this session is valid or not.  */
    if (pima_session -> ux_host_class_pima_session_magic != UX_HOST_CLASS_PIMA_MAGIC_NUMBER)
        return (UX_HOST_CLASS_PIMA_RC_SESSION_NOT_OPEN);

    /* Check if this session is opened or not.  */
    if (pima_session -> ux_host_class_pima_session_state != UX_HOST_CLASS_PIMA_SESSION_STATE_OPENED)
        return (UX_HOST_CLASS_PIMA_RC_SESSION_NOT_OPEN);

    /* Issue command to get the object info.  1 parameter.  */
    command.ux_host_class_pima_command_nb_parameters =  1;

    /* Parameter 1 is the Object Handle.  */
    command.ux_host_class_pima_command_parameter_1 =  object_handle;

    /* Other parameters unused.  */
    command.ux_host_class_pima_command_parameter_2 =  0;
    command.ux_host_class_pima_command_parameter_3 =  0;
    command.ux_host_class_pima_command_parameter_4 =  0;
    command.ux_host_class_pima_command_parameter_5 =  0;

    /* Then set the command to DELETE_OBJECT.  */
    command.ux_host_class_pima_command_operation_code =  UX_HOST_CLASS_PIMA_OC_DELETE_OBJECT;

    /* Issue the command.  */
    status = _ux_host_class_pima_command(pima, &command, UX_HOST_CLASS_PIMA_DATA_PHASE_NONE , UX_NULL,
                                        0, 0);

    /* Return completion status.  */
    return(status);
}

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _uxe_host_class_pima_object_delete                  PORTABLE C      */
/*                                                           6.3.0        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Yajun Xia, Microsoft Corporation                                    */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks errors in pima object delete function call.    */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    pima                                       Pointer to pima class    */
/*    pima_session                               Pointer to pima session  */
/*    object_handle                              The object handle        */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _ux_host_class_pima_object_delete     Delete pima object            */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    USB application                                                     */
/*                                                                        */
/**************************************************************************/
UINT  _uxe_host_class_pima_object_delete(UX_HOST_CLASS_PIMA *pima,
                                        UX_HOST_CLASS_PIMA_SESSION *pima_session,
                                        ULONG object_handle)
{

    /* Sanity checks.  */
    if ((pima == UX_NULL) || (pima_session == UX_NULL))
        return(UX_INVALID_PARAMETER);

    /* Call the actual pima object delete function.  */
    return(_ux_host_class_pima_object_delete(pima, pima_session, object_handle));
}