45 	struct scsi_cmnd *cmnd[MAX_CMNDS];  member
76 static int uas_submit_urbs(struct scsi_cmnd *cmnd,
79 static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller);
81 static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
102 	struct scsi_cmnd *cmnd;  in uas_do_work()  local
112 		if (!devinfo->cmnd[i])  in uas_do_work()
115 		cmnd = devinfo->cmnd[i];  in uas_do_work()
116 		cmdinfo = (void *)&cmnd->SCp;  in uas_do_work()
121 		err = uas_submit_urbs(cmnd, cmnd->device->hostdata);  in uas_do_work()
145 	struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);  in uas_add_work()  local
146 	struct uas_dev_info *devinfo = cmnd->device->hostdata;  in uas_add_work()
156 	struct scsi_cmnd *cmnd;  in uas_zap_pending()  local
162 		if (!devinfo->cmnd[i])  in uas_zap_pending()
165 		cmnd = devinfo->cmnd[i];  in uas_zap_pending()
166 		cmdinfo = (void *)&cmnd->SCp;  in uas_zap_pending()
167 		uas_log_cmd_state(cmnd, __func__, 0);  in uas_zap_pending()
170 		cmnd->result = result << 16;  in uas_zap_pending()
171 		err = uas_try_complete(cmnd, __func__);  in uas_zap_pending()
177 static void uas_sense(struct urb *urb, struct scsi_cmnd *cmnd)  in uas_sense()  argument
180 	struct scsi_device *sdev = cmnd->device;  in uas_sense()
194 		memcpy(cmnd->sense_buffer, sense_iu->sense, len);  in uas_sense()
197 	cmnd->result = sense_iu->status;  in uas_sense()
200 static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,  in uas_log_cmd_state()  argument
203 	struct uas_cmd_info *ci = (void *)&cmnd->SCp;  in uas_log_cmd_state()
204 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_log_cmd_state()
209 	scmd_printk(KERN_INFO, cmnd,  in uas_log_cmd_state()
224 	scsi_print_command(cmnd);  in uas_log_cmd_state()
227 static void uas_free_unsubmitted_urbs(struct scsi_cmnd *cmnd)  in uas_free_unsubmitted_urbs()  argument
231 	if (!cmnd)  in uas_free_unsubmitted_urbs()
234 	cmdinfo = (void *)&cmnd->SCp;  in uas_free_unsubmitted_urbs()
246 static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller)  in uas_try_complete()  argument
248 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_try_complete()
249 	struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;  in uas_try_complete()
257 	devinfo->cmnd[cmdinfo->uas_tag - 1] = NULL;  in uas_try_complete()
258 	uas_free_unsubmitted_urbs(cmnd);  in uas_try_complete()
259 	cmnd->scsi_done(cmnd);  in uas_try_complete()
263 static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd,  in uas_xfer_data()  argument
266 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_xfer_data()
270 	err = uas_submit_urbs(cmnd, cmnd->device->hostdata);  in uas_xfer_data()
276 static bool uas_evaluate_response_iu(struct response_iu *riu, struct scsi_cmnd *cmnd)  in uas_evaluate_response_iu()  argument
282 		set_host_byte(cmnd, DID_BAD_TARGET);  in uas_evaluate_response_iu()
285 		set_host_byte(cmnd, DID_OK);  in uas_evaluate_response_iu()
288 		set_host_byte(cmnd, DID_TARGET_FAILURE);  in uas_evaluate_response_iu()
291 		uas_log_cmd_state(cmnd, "response iu", response_code);  in uas_evaluate_response_iu()
292 		set_host_byte(cmnd, DID_ERROR);  in uas_evaluate_response_iu()
306 	struct scsi_cmnd *cmnd;  in uas_stat_cmplt()  local
325 	if (idx >= MAX_CMNDS || !devinfo->cmnd[idx]) {  in uas_stat_cmplt()
331 	cmnd = devinfo->cmnd[idx];  in uas_stat_cmplt()
332 	cmdinfo = (void *)&cmnd->SCp;  in uas_stat_cmplt()
335 		uas_log_cmd_state(cmnd, "unexpected status cmplt", 0);  in uas_stat_cmplt()
341 		uas_sense(urb, cmnd);  in uas_stat_cmplt()
342 		if (cmnd->result != 0) {  in uas_stat_cmplt()
348 		uas_try_complete(cmnd, __func__);  in uas_stat_cmplt()
353 			uas_log_cmd_state(cmnd, "unexpected read rdy", 0);  in uas_stat_cmplt()
356 		uas_xfer_data(urb, cmnd, SUBMIT_DATA_IN_URB);  in uas_stat_cmplt()
361 			uas_log_cmd_state(cmnd, "unexpected write rdy", 0);  in uas_stat_cmplt()
364 		uas_xfer_data(urb, cmnd, SUBMIT_DATA_OUT_URB);  in uas_stat_cmplt()
368 		success = uas_evaluate_response_iu((struct response_iu *)iu, cmnd);  in uas_stat_cmplt()
374 		uas_try_complete(cmnd, __func__);  in uas_stat_cmplt()
377 		uas_log_cmd_state(cmnd, "bogus IU", iu->iu_id);  in uas_stat_cmplt()
396 	struct scsi_cmnd *cmnd = urb->context;  in uas_data_cmplt()  local
397 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_data_cmplt()
398 	struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;  in uas_data_cmplt()
399 	struct scsi_data_buffer *sdb = &cmnd->sdb;  in uas_data_cmplt()
418 		uas_log_cmd_state(cmnd, "unexpected data cmplt", 0);  in uas_data_cmplt()
424 			uas_log_cmd_state(cmnd, "data cmplt err", status);  in uas_data_cmplt()
426 		scsi_set_resid(cmnd, sdb->length);  in uas_data_cmplt()
428 		scsi_set_resid(cmnd, sdb->length - urb->actual_length);  in uas_data_cmplt()
430 	uas_try_complete(cmnd, __func__);  in uas_data_cmplt()
445 				      struct scsi_cmnd *cmnd,  in uas_alloc_data_urb()  argument
449 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_alloc_data_urb()
451 	struct scsi_data_buffer *sdb = &cmnd->sdb;  in uas_alloc_data_urb()
458 			  uas_data_cmplt, cmnd);  in uas_alloc_data_urb()
468 				       struct scsi_cmnd *cmnd)  in uas_alloc_sense_urb()  argument
471 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_alloc_sense_urb()
483 			  uas_stat_cmplt, cmnd->device->host);  in uas_alloc_sense_urb()
495 					struct scsi_cmnd *cmnd)  in uas_alloc_cmd_urb()  argument
498 	struct scsi_device *sdev = cmnd->device;  in uas_alloc_cmd_urb()
499 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_alloc_cmd_urb()
507 	len = cmnd->cmd_len - 16;  in uas_alloc_cmd_urb()
520 	memcpy(iu->cdb, cmnd->cmnd, cmnd->cmd_len);  in uas_alloc_cmd_urb()
538 static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp)  in uas_submit_sense_urb()  argument
540 	struct uas_dev_info *devinfo = cmnd->device->hostdata;  in uas_submit_sense_urb()
544 	urb = uas_alloc_sense_urb(devinfo, gfp, cmnd);  in uas_submit_sense_urb()
551 		uas_log_cmd_state(cmnd, "sense submit err", err);  in uas_submit_sense_urb()
558 static int uas_submit_urbs(struct scsi_cmnd *cmnd,  in uas_submit_urbs()  argument
561 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_submit_urbs()
567 		urb = uas_submit_sense_urb(cmnd, GFP_ATOMIC);  in uas_submit_urbs()
575 							cmnd, DMA_FROM_DEVICE);  in uas_submit_urbs()
586 			uas_log_cmd_state(cmnd, "data in submit err", err);  in uas_submit_urbs()
595 							cmnd, DMA_TO_DEVICE);  in uas_submit_urbs()
606 			uas_log_cmd_state(cmnd, "data out submit err", err);  in uas_submit_urbs()
614 		cmdinfo->cmd_urb = uas_alloc_cmd_urb(devinfo, GFP_ATOMIC, cmnd);  in uas_submit_urbs()
625 			uas_log_cmd_state(cmnd, "cmd submit err", err);  in uas_submit_urbs()
636 static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,  in uas_queuecommand_lck()  argument
639 	struct scsi_device *sdev = cmnd->device;  in uas_queuecommand_lck()
641 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in uas_queuecommand_lck()
648 	if (cmnd->device->host->host_self_blocked)  in uas_queuecommand_lck()
652 			(cmnd->cmnd[0] == ATA_12 || cmnd->cmnd[0] == ATA_16)) {  in uas_queuecommand_lck()
653 		memcpy(cmnd->sense_buffer, usb_stor_sense_invalidCDB,  in uas_queuecommand_lck()
655 		cmnd->result = SAM_STAT_CHECK_CONDITION;  in uas_queuecommand_lck()
656 		cmnd->scsi_done(cmnd);  in uas_queuecommand_lck()
663 		set_host_byte(cmnd, DID_ERROR);  in uas_queuecommand_lck()
664 		cmnd->scsi_done(cmnd);  in uas_queuecommand_lck()
670 		if (!devinfo->cmnd[idx])  in uas_queuecommand_lck()
678 	cmnd->scsi_done = done;  in uas_queuecommand_lck()
684 	switch (cmnd->sc_data_direction) {  in uas_queuecommand_lck()
701 	err = uas_submit_urbs(cmnd, devinfo);  in uas_queuecommand_lck()
708 		set_host_byte(cmnd, DID_ERROR);  in uas_queuecommand_lck()
709 		cmnd->scsi_done(cmnd);  in uas_queuecommand_lck()
721 	devinfo->cmnd[idx] = cmnd;  in uas_queuecommand_lck()
734 static int uas_eh_abort_handler(struct scsi_cmnd *cmnd)  in DEF_SCSI_QCMD()
736 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;  in DEF_SCSI_QCMD()
737 	struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;  in DEF_SCSI_QCMD()
744 	uas_log_cmd_state(cmnd, __func__, 0);  in DEF_SCSI_QCMD()
750 	devinfo->cmnd[cmdinfo->uas_tag - 1] = NULL;  in DEF_SCSI_QCMD()
756 	uas_free_unsubmitted_urbs(cmnd);  in DEF_SCSI_QCMD()
772 static int uas_eh_device_reset_handler(struct scsi_cmnd *cmnd)  in uas_eh_device_reset_handler()  argument
774 	struct scsi_device *sdev = cmnd->device;  in uas_eh_device_reset_handler()
1067 		if (devinfo->cmnd[i]) {  in uas_cmnd_list_empty()