1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** USBX Component                                                        */
16 /**                                                                       */
17 /**   Device Storage Class                                                */
18 /**                                                                       */
19 /**************************************************************************/
20 /**************************************************************************/
21 
22 #define UX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "ux_api.h"
28 #include "ux_device_class_storage.h"
29 #include "ux_device_stack.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _ux_device_class_storage_verify                     PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Chaoqiong Xiao, Microsoft Corporation                               */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function verifies a previous write command.                    */
45 /*    Here, the CSW is returned with a SUCCESS code.                      */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    storage                               Pointer to storage class      */
50 /*    endpoint_in                           Pointer to IN endpoint        */
51 /*    endpoint_out                          Pointer to OUT endpoint       */
52 /*    cbwcb                                 Pointer to CBWCB              */
53 /*                                                                        */
54 /*  OUTPUT                                                                */
55 /*                                                                        */
56 /*    Completion Status                                                   */
57 /*                                                                        */
58 /*  CALLS                                                                 */
59 /*                                                                        */
60 /*    _ux_device_class_storage_csw_send     Send CSW                      */
61 /*                                                                        */
62 /*  CALLED BY                                                             */
63 /*                                                                        */
64 /*    Device Storage Class                                                */
65 /*                                                                        */
66 /*  RELEASE HISTORY                                                       */
67 /*                                                                        */
68 /*    DATE              NAME                      DESCRIPTION             */
69 /*                                                                        */
70 /*  05-19-2020     Chaoqiong Xiao           Initial Version 6.0           */
71 /*  09-30-2020     Chaoqiong Xiao           Modified comment(s),          */
72 /*                                            optimized command logic,    */
73 /*                                            resulting in version 6.1    */
74 /*                                                                        */
75 /**************************************************************************/
_ux_device_class_storage_verify(UX_SLAVE_CLASS_STORAGE * storage,ULONG lun,UX_SLAVE_ENDPOINT * endpoint_in,UX_SLAVE_ENDPOINT * endpoint_out,UCHAR * cbwcb)76 UINT  _ux_device_class_storage_verify(UX_SLAVE_CLASS_STORAGE *storage, ULONG lun,
77                                       UX_SLAVE_ENDPOINT *endpoint_in,
78                                       UX_SLAVE_ENDPOINT *endpoint_out, UCHAR * cbwcb)
79 {
80 
81     UX_PARAMETER_NOT_USED(lun);
82     UX_PARAMETER_NOT_USED(cbwcb);
83     UX_PARAMETER_NOT_USED(endpoint_in);
84     UX_PARAMETER_NOT_USED(endpoint_out);
85 
86     /* If trace is enabled, insert this event into the trace buffer.  */
87     UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_STORAGE_VERIFY, storage, lun, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
88 
89     /* We set the CSW with success.  */
90     storage -> ux_slave_class_storage_csw_status = UX_SLAVE_CLASS_STORAGE_CSW_PASSED;
91 
92     /* Return success!  */
93     return(UX_SUCCESS);
94 }
95 
96