6  * Copyright (c) 2010-2011 mbed.org, MIT License
12  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
52 /* MSC Request Codes for Bulk-Only Transport */
62 /* MSC Bulk-Only Command Block Wrapper (CBW) */
73 /* MSC Command Status Wrapper (CBW) Signature */
76 /* MSC Command Block Status Values */
81 /* MSC Bulk-Only Command Status Wrapper (CSW) */
86 	uint8_t  Status;  member
112 #define DISK_THREAD_PRIO	-5
175  * Align for cases where the underlying disk access requires word-aligned
204 /* CSW Status */
205 enum Status {  enum
211 /* MSC Bulk-only Stage */
220 /* state of the bulk-only state machine */
255 	.head = {0x00, 0x80, 0x00, 0x01, 36 - 4, 0x80, 0x00, 0x00},
306 	csw.Status = CSW_FAILED;  in fail()
326 	csw.DataResidue -= size;  in write()
327 	csw.Status = CSW_PASSED;  in write()
343 	if (setup->wIndex != mass_cfg.if0.bInterfaceNumber ||  in mass_storage_class_handle_req()
344 	    setup->wValue != 0) {  in mass_storage_class_handle_req()
346 		return -EINVAL;  in mass_storage_class_handle_req()
350 		if (setup->bRequest == MSC_REQUEST_RESET &&  in mass_storage_class_handle_req()
351 		    setup->wLength == 0) {  in mass_storage_class_handle_req()
357 		if (setup->bRequest == MSC_REQUEST_GET_MAX_LUN &&  in mass_storage_class_handle_req()
358 		    setup->wLength == 1) {  in mass_storage_class_handle_req()
368 		setup->bmRequestType, setup->bRequest);  in mass_storage_class_handle_req()
369 	return -ENOTSUP;  in mass_storage_class_handle_req()
384 	csw.Status = CSW_PASSED;  in testUnitReady()
447 	sys_put_be32(block_count - 1, &capacity[0]);  in readCapacity()
460 	if (n > BLOCK_SIZE - curr_offset) {  in thread_memory_read_done()
461 		n = BLOCK_SIZE - curr_offset;  in thread_memory_read_done()
471 		curr_offset -= BLOCK_SIZE;  in thread_memory_read_done()
474 	length -= n;  in thread_memory_read_done()
475 	csw.DataResidue -= n;  in thread_memory_read_done()
478 		csw.Status = (stage == MSC_PROCESS_CBW) ?  in thread_memory_read_done()
507 		csw.Status = CSW_FAILED;  in check_cbw_data_length()
628 					csw.Status = CSW_ERROR;  in CBWDecode()
643 					csw.Status = CSW_ERROR;  in CBWDecode()
651 				csw.Status = CSW_PASSED;  in CBWDecode()
663 					csw.Status = CSW_ERROR;  in CBWDecode()
670 			csw.Status = CSW_PASSED;  in CBWDecode()
694 	/* beginning of a new block -> load a whole block in RAM */  in memoryVerify()
698 			LOG_ERR("---- Disk Read Error %u", curr_lba);  in memoryVerify()
702 	/* info are in RAM -> no need to re-read memory */  in memoryVerify()
714 		curr_offset -= BLOCK_SIZE;  in memoryVerify()
717 	length -= size;  in memoryVerify()
718 	csw.DataResidue -= size;  in memoryVerify()
721 		csw.Status = (memOK && (stage == MSC_PROCESS_CBW)) ?  in memoryVerify()
753 	length -= size;  in memoryWrite()
754 	csw.DataResidue -= size;  in memoryWrite()
757 		csw.Status = (stage == MSC_ERROR) ? CSW_FAILED : CSW_PASSED;  in memoryWrite()
777 		LOG_DBG("> BO - MSC_READ_CBW");  in mass_storage_bulk_out()
786 			/* LOG_DBG("> BO - PROC_CBW WR");*/  in mass_storage_bulk_out()
790 			LOG_DBG("> BO - PROC_CBW VER");  in mass_storage_bulk_out()
794 			LOG_ERR("> BO - PROC_CBW default <<ERROR!!!>>");  in mass_storage_bulk_out()
803 		csw.Status = CSW_ERROR;  in mass_storage_bulk_out()
819 	size_t overflowed_len = (curr_offset + size) - BLOCK_SIZE;  in thread_memory_write_done()
831 	length -= size;  in thread_memory_write_done()
832 	csw.DataResidue -= size;  in thread_memory_write_done()
841 		csw.Status = (stage == MSC_ERROR) ? CSW_FAILED : CSW_PASSED;  in thread_memory_write_done()
854  * @param ep_status Endpoint status code.
870 			/* LOG_DBG("< BI - PROC_CBW  READ"); */  in mass_storage_bulk_in()
874 			LOG_ERR("< BI-PROC_CBW default <<ERROR!!>>");  in mass_storage_bulk_in()
881 		LOG_DBG("< BI - MSC_SEND_CSW");  in mass_storage_bulk_in()
885 	/*the host has received the CSW -> we wait a CBW*/  in mass_storage_bulk_in()
887 		LOG_DBG("< BI - MSC_WAIT_CSW");  in mass_storage_bulk_in()
903  * @brief Callback used to know the USB connection status
905  * @param status USB device status code.
910 				   enum usb_dc_status_code status,  in mass_storage_status_cb()  argument
916 	/* Check the USB status and do needed action if required */  in mass_storage_status_cb()
917 	switch (status) {  in mass_storage_status_cb()
1026 		LOG_ERR("Storage init ERROR !!!! - Aborting USB init");  in mass_storage_init()
1032 		LOG_ERR("Unable to get sector count - Aborting USB init");  in mass_storage_init()
1038 		LOG_ERR("Unable to get sector size - Aborting USB init");  in mass_storage_init()
1044 			"different from Mass Storage Class page Buffer - "  in mass_storage_init()