diff options
Diffstat (limited to 'firmware/usbstack/usb_storage.c')
| -rw-r--r-- | firmware/usbstack/usb_storage.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/firmware/usbstack/usb_storage.c b/firmware/usbstack/usb_storage.c index 0b43376..1f7069d 100644 --- a/firmware/usbstack/usb_storage.c +++ b/firmware/usbstack/usb_storage.c @@ -245,6 +245,7 @@ static struct { static void handle_scsi(struct command_block_wrapper* cbw); static void send_csw(int status); static void send_command_result(void *data,int size); +static void send_command_failed_result(void); static void send_block_data(void *data,int size); static void receive_block_data(void *data,int size); static void identify2inquiry(int lun); @@ -258,6 +259,7 @@ static enum { WAITING_FOR_COMMAND, SENDING_BLOCKS, SENDING_RESULT, + SENDING_FAILED_RESULT, RECEIVING_BLOCKS, SENDING_CSW } state = WAITING_FOR_COMMAND; @@ -468,6 +470,12 @@ void usb_storage_transfer_complete(bool in,int status,int length) cur_sense_data.ascq=0; } break; + case SENDING_FAILED_RESULT: + if(in==false) { + logf("OUT received in SENDING"); + } + send_csw(UMS_STATUS_FAIL); + break; case SENDING_BLOCKS: if(in==false) { logf("OUT received in SENDING"); @@ -657,6 +665,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) case SCSI_REQUEST_SENSE: { tb.sense_data->ResponseCode=0x70;/*current error*/ + tb.sense_data->Obsolete=0; tb.sense_data->fei_sensekey=cur_sense_data.sense_key&0x0f; tb.sense_data->Information=cur_sense_data.information; tb.sense_data->AdditionalSenseLength=10; @@ -673,9 +682,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) case SCSI_MODE_SENSE_10: { if(! lun_present) { - /* Windows expects an empty command result before the csw */ - usb_drv_send(usb_endpoint, 0, 0); - send_csw(UMS_STATUS_FAIL); + send_command_failed_result(); cur_sense_data.sense_key=SENSE_NOT_READY; cur_sense_data.asc=ASC_MEDIUM_NOT_PRESENT; cur_sense_data.ascq=0; @@ -719,9 +726,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) MIN(sizeof(struct mode_sense_data_10), length)); break; default: - /* Windows expects an empty command result before the csw */ - usb_drv_send(usb_endpoint, 0, 0); - send_csw(UMS_STATUS_FAIL); + send_command_failed_result(); cur_sense_data.sense_key=SENSE_ILLEGAL_REQUEST; cur_sense_data.asc=ASC_INVALID_FIELD_IN_CBD; cur_sense_data.ascq=0; @@ -731,9 +736,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) } case SCSI_MODE_SENSE_6: { if(! lun_present) { - /* Windows expects an empty command result before the csw */ - usb_drv_send(usb_endpoint, 0, 0); - send_csw(UMS_STATUS_FAIL); + send_command_failed_result(); cur_sense_data.sense_key=SENSE_NOT_READY; cur_sense_data.asc=ASC_MEDIUM_NOT_PRESENT; cur_sense_data.ascq=0; @@ -776,9 +779,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) MIN(sizeof(struct mode_sense_data_6), length)); break; default: - /* Windows expects an empty command result before the csw */ - usb_drv_send(usb_endpoint, 0, 0); - send_csw(UMS_STATUS_FAIL); + send_command_failed_result(); cur_sense_data.sense_key=SENSE_ILLEGAL_REQUEST; cur_sense_data.asc=ASC_INVALID_FIELD_IN_CBD; cur_sense_data.ascq=0; @@ -827,9 +828,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) } else { - /* Windows expects an empty command result before the csw */ - usb_drv_send(usb_endpoint, 0, 0); - send_csw(UMS_STATUS_FAIL); + send_command_failed_result(); cur_sense_data.sense_key=SENSE_NOT_READY; cur_sense_data.asc=ASC_MEDIUM_NOT_PRESENT; cur_sense_data.ascq=0; @@ -851,9 +850,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) } else { - /* Windows expects an empty command result before the csw */ - usb_drv_send(usb_endpoint, 0, 0); - send_csw(UMS_STATUS_FAIL); + send_command_failed_result(); cur_sense_data.sense_key=SENSE_NOT_READY; cur_sense_data.asc=ASC_MEDIUM_NOT_PRESENT; cur_sense_data.ascq=0; @@ -864,9 +861,7 @@ static void handle_scsi(struct command_block_wrapper* cbw) case SCSI_READ_10: logf("scsi read10 %d",lun); if(! lun_present) { - /* Windows expects an empty command result before the csw */ - usb_drv_send(usb_endpoint, 0, 0); - send_csw(UMS_STATUS_FAIL); + send_command_failed_result(); cur_sense_data.sense_key=SENSE_NOT_READY; cur_sense_data.asc=ASC_MEDIUM_NOT_PRESENT; cur_sense_data.ascq=0; @@ -957,6 +952,12 @@ static void send_command_result(void *data,int size) state = SENDING_RESULT; } +static void send_command_failed_result(void) +{ + usb_drv_send_nonblocking(usb_endpoint, NULL, 0); + state = SENDING_FAILED_RESULT; +} + static void receive_block_data(void *data,int size) { usb_drv_recv(usb_endpoint, data, size); @@ -1026,6 +1027,7 @@ static void identify2inquiry(int lun) tb.inquiry->DeviceType = DIRECT_ACCESS_DEVICE; tb.inquiry->AdditionalLength = 0x1f; + memset(tb.inquiry->Reserved, 0, 3); tb.inquiry->Versions = 4; /* SPC-2 */ tb.inquiry->Format = 2; /* SPC-2/3 inquiry format */ |