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 = scsi_cmd_priv(cmnd);  in uas_do_work()
121 		err = uas_submit_urbs(cmnd, cmnd->device->hostdata);  in uas_do_work()
142 static void uas_add_work(struct scsi_cmnd *cmnd)  in uas_add_work()  argument
144 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_add_work()
145 	struct uas_dev_info *devinfo = cmnd->device->hostdata;  in uas_add_work()
155 	struct scsi_cmnd *cmnd;  in uas_zap_pending()  local
161 		if (!devinfo->cmnd[i])  in uas_zap_pending()
164 		cmnd = devinfo->cmnd[i];  in uas_zap_pending()
165 		cmdinfo = scsi_cmd_priv(cmnd);  in uas_zap_pending()
166 		uas_log_cmd_state(cmnd, __func__, 0);  in uas_zap_pending()
169 		cmnd->result = result << 16;  in uas_zap_pending()
170 		err = uas_try_complete(cmnd, __func__);  in uas_zap_pending()
176 static void uas_sense(struct urb *urb, struct scsi_cmnd *cmnd)  in uas_sense()  argument
179 	struct scsi_device *sdev = cmnd->device;  in uas_sense()
193 		memcpy(cmnd->sense_buffer, sense_iu->sense, len);  in uas_sense()
196 	cmnd->result = sense_iu->status;  in uas_sense()
199 static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,  in uas_log_cmd_state()  argument
202 	struct uas_cmd_info *ci = scsi_cmd_priv(cmnd);  in uas_log_cmd_state()
207 	scmd_printk(KERN_INFO, cmnd,  in uas_log_cmd_state()
222 	scsi_print_command(cmnd);  in uas_log_cmd_state()
225 static void uas_free_unsubmitted_urbs(struct scsi_cmnd *cmnd)  in uas_free_unsubmitted_urbs()  argument
229 	if (!cmnd)  in uas_free_unsubmitted_urbs()
232 	cmdinfo = scsi_cmd_priv(cmnd);  in uas_free_unsubmitted_urbs()
244 static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller)  in uas_try_complete()  argument
246 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_try_complete()
247 	struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;  in uas_try_complete()
255 	devinfo->cmnd[cmdinfo->uas_tag - 1] = NULL;  in uas_try_complete()
256 	uas_free_unsubmitted_urbs(cmnd);  in uas_try_complete()
257 	scsi_done(cmnd);  in uas_try_complete()
261 static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd,  in uas_xfer_data()  argument
264 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_xfer_data()
268 	err = uas_submit_urbs(cmnd, cmnd->device->hostdata);  in uas_xfer_data()
270 		uas_add_work(cmnd);  in uas_xfer_data()
274 static bool uas_evaluate_response_iu(struct response_iu *riu, struct scsi_cmnd *cmnd)  in uas_evaluate_response_iu()  argument
280 		set_host_byte(cmnd, DID_BAD_TARGET);  in uas_evaluate_response_iu()
283 		set_host_byte(cmnd, DID_OK);  in uas_evaluate_response_iu()
286 		set_host_byte(cmnd, DID_BAD_TARGET);  in uas_evaluate_response_iu()
289 		uas_log_cmd_state(cmnd, "response iu", response_code);  in uas_evaluate_response_iu()
290 		set_host_byte(cmnd, DID_ERROR);  in uas_evaluate_response_iu()
304 	struct scsi_cmnd *cmnd;  in uas_stat_cmplt()  local
323 	if (idx >= MAX_CMNDS || !devinfo->cmnd[idx]) {  in uas_stat_cmplt()
329 	cmnd = devinfo->cmnd[idx];  in uas_stat_cmplt()
330 	cmdinfo = scsi_cmd_priv(cmnd);  in uas_stat_cmplt()
333 		uas_log_cmd_state(cmnd, "unexpected status cmplt", 0);  in uas_stat_cmplt()
339 		uas_sense(urb, cmnd);  in uas_stat_cmplt()
340 		if (cmnd->result != 0) {  in uas_stat_cmplt()
346 		uas_try_complete(cmnd, __func__);  in uas_stat_cmplt()
351 			uas_log_cmd_state(cmnd, "unexpected read rdy", 0);  in uas_stat_cmplt()
354 		uas_xfer_data(urb, cmnd, SUBMIT_DATA_IN_URB);  in uas_stat_cmplt()
359 			uas_log_cmd_state(cmnd, "unexpected write rdy", 0);  in uas_stat_cmplt()
362 		uas_xfer_data(urb, cmnd, SUBMIT_DATA_OUT_URB);  in uas_stat_cmplt()
366 		success = uas_evaluate_response_iu((struct response_iu *)iu, cmnd);  in uas_stat_cmplt()
372 		uas_try_complete(cmnd, __func__);  in uas_stat_cmplt()
375 		uas_log_cmd_state(cmnd, "bogus IU", iu->iu_id);  in uas_stat_cmplt()
394 	struct scsi_cmnd *cmnd = urb->context;  in uas_data_cmplt()  local
395 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_data_cmplt()
396 	struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;  in uas_data_cmplt()
397 	struct scsi_data_buffer *sdb = &cmnd->sdb;  in uas_data_cmplt()
416 		uas_log_cmd_state(cmnd, "unexpected data cmplt", 0);  in uas_data_cmplt()
422 			uas_log_cmd_state(cmnd, "data cmplt err", status);  in uas_data_cmplt()
424 		scsi_set_resid(cmnd, sdb->length);  in uas_data_cmplt()
426 		scsi_set_resid(cmnd, sdb->length - urb->actual_length);  in uas_data_cmplt()
428 	uas_try_complete(cmnd, __func__);  in uas_data_cmplt()
443 				      struct scsi_cmnd *cmnd,  in uas_alloc_data_urb()  argument
447 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_alloc_data_urb()
449 	struct scsi_data_buffer *sdb = &cmnd->sdb;  in uas_alloc_data_urb()
456 			  uas_data_cmplt, cmnd);  in uas_alloc_data_urb()
466 				       struct scsi_cmnd *cmnd)  in uas_alloc_sense_urb()  argument
469 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_alloc_sense_urb()
481 			  uas_stat_cmplt, cmnd->device->host);  in uas_alloc_sense_urb()
493 					struct scsi_cmnd *cmnd)  in uas_alloc_cmd_urb()  argument
496 	struct scsi_device *sdev = cmnd->device;  in uas_alloc_cmd_urb()
497 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_alloc_cmd_urb()
505 	len = cmnd->cmd_len - 16;  in uas_alloc_cmd_urb()
518 	memcpy(iu->cdb, cmnd->cmnd, cmnd->cmd_len);  in uas_alloc_cmd_urb()
536 static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp)  in uas_submit_sense_urb()  argument
538 	struct uas_dev_info *devinfo = cmnd->device->hostdata;  in uas_submit_sense_urb()
542 	urb = uas_alloc_sense_urb(devinfo, gfp, cmnd);  in uas_submit_sense_urb()
549 		uas_log_cmd_state(cmnd, "sense submit err", err);  in uas_submit_sense_urb()
556 static int uas_submit_urbs(struct scsi_cmnd *cmnd,  in uas_submit_urbs()  argument
559 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_submit_urbs()
565 		urb = uas_submit_sense_urb(cmnd, GFP_ATOMIC);  in uas_submit_urbs()
573 							cmnd, DMA_FROM_DEVICE);  in uas_submit_urbs()
584 			uas_log_cmd_state(cmnd, "data in submit err", err);  in uas_submit_urbs()
593 							cmnd, DMA_TO_DEVICE);  in uas_submit_urbs()
604 			uas_log_cmd_state(cmnd, "data out submit err", err);  in uas_submit_urbs()
612 		cmdinfo->cmd_urb = uas_alloc_cmd_urb(devinfo, GFP_ATOMIC, cmnd);  in uas_submit_urbs()
623 			uas_log_cmd_state(cmnd, "cmd submit err", err);  in uas_submit_urbs()
634 static int uas_queuecommand_lck(struct scsi_cmnd *cmnd)  in uas_queuecommand_lck()  argument
636 	struct scsi_device *sdev = cmnd->device;  in uas_queuecommand_lck()
638 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in uas_queuecommand_lck()
643 	if (cmnd->device->host->host_self_blocked)  in uas_queuecommand_lck()
647 			(cmnd->cmnd[0] == ATA_12 || cmnd->cmnd[0] == ATA_16)) {  in uas_queuecommand_lck()
648 		memcpy(cmnd->sense_buffer, usb_stor_sense_invalidCDB,  in uas_queuecommand_lck()
650 		cmnd->result = SAM_STAT_CHECK_CONDITION;  in uas_queuecommand_lck()
651 		scsi_done(cmnd);  in uas_queuecommand_lck()
658 		set_host_byte(cmnd, DID_ERROR);  in uas_queuecommand_lck()
659 		scsi_done(cmnd);  in uas_queuecommand_lck()
665 		if (!devinfo->cmnd[idx])  in uas_queuecommand_lck()
677 	switch (cmnd->sc_data_direction) {  in uas_queuecommand_lck()
694 	err = uas_submit_urbs(cmnd, devinfo);  in uas_queuecommand_lck()
701 		set_host_byte(cmnd, DID_ERROR);  in uas_queuecommand_lck()
702 		scsi_done(cmnd);  in uas_queuecommand_lck()
711 		uas_add_work(cmnd);  in uas_queuecommand_lck()
714 	devinfo->cmnd[idx] = cmnd;  in uas_queuecommand_lck()
727 static int uas_eh_abort_handler(struct scsi_cmnd *cmnd)  in DEF_SCSI_QCMD()
729 	struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd);  in DEF_SCSI_QCMD()
730 	struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;  in DEF_SCSI_QCMD()
737 	uas_log_cmd_state(cmnd, __func__, 0);  in DEF_SCSI_QCMD()
743 	devinfo->cmnd[cmdinfo->uas_tag - 1] = NULL;  in DEF_SCSI_QCMD()
749 	uas_free_unsubmitted_urbs(cmnd);  in DEF_SCSI_QCMD()
765 static int uas_eh_device_reset_handler(struct scsi_cmnd *cmnd)  in uas_eh_device_reset_handler()  argument
767 	struct scsi_device *sdev = cmnd->device;  in uas_eh_device_reset_handler()
1061 		if (devinfo->cmnd[i]) {  in uas_cmnd_list_empty()