405 	sg_io_hdr_t *hp;  in sg_read()  local
471 	hp = &srp->header;  in sg_read()
480 	old_hdr->reply_len = (int) hp->timeout;  in sg_read()
482 	old_hdr->pack_id = hp->pack_id;  in sg_read()
484 	    ((srp->data.cmd_opcode >= 0xc0) && (12 == hp->cmd_len)) ? 1 : 0;  in sg_read()
485 	old_hdr->target_status = hp->masked_status;  in sg_read()
486 	old_hdr->host_status = hp->host_status;  in sg_read()
487 	old_hdr->driver_status = hp->driver_status;  in sg_read()
488 	if ((CHECK_CONDITION & hp->masked_status) ||  in sg_read()
489 	    (DRIVER_SENSE & hp->driver_status))  in sg_read()
492 	switch (hp->host_status) {  in sg_read()
514 				  hp->masked_status == GOOD) ? 0 : EIO;  in sg_read()
548 	sg_io_hdr_t *hp = &srp->header;  in sg_new_read()  local
556 	hp->sb_len_wr = 0;  in sg_new_read()
557 	if ((hp->mx_sb_len > 0) && hp->sbp) {  in sg_new_read()
558 		if ((CHECK_CONDITION & hp->masked_status) ||  in sg_new_read()
559 		    (DRIVER_SENSE & hp->driver_status)) {  in sg_new_read()
561 			sb_len = (hp->mx_sb_len > sb_len) ? sb_len : hp->mx_sb_len;  in sg_new_read()
564 			if (copy_to_user(hp->sbp, srp->sense_b, len)) {  in sg_new_read()
568 			hp->sb_len_wr = len;  in sg_new_read()
571 	if (hp->masked_status || hp->host_status || hp->driver_status)  in sg_new_read()
572 		hp->info |= SG_INFO_CHECK;  in sg_new_read()
573 	if (copy_to_user(buf, hp, SZ_SG_IO_HDR)) {  in sg_new_read()
592 	sg_io_hdr_t *hp;  in sg_write()  local
644 	hp = &srp->header;  in sg_write()
645 	hp->interface_id = '\0';	/* indicator of old interface tunnelled */  in sg_write()
646 	hp->cmd_len = (unsigned char) cmd_size;  in sg_write()
647 	hp->iovec_count = 0;  in sg_write()
648 	hp->mx_sb_len = 0;  in sg_write()
650 		hp->dxfer_direction = (old_hdr.reply_len > SZ_SG_HEADER) ?  in sg_write()
653 		hp->dxfer_direction = (mxsize > 0) ? SG_DXFER_FROM_DEV : SG_DXFER_NONE;  in sg_write()
654 	hp->dxfer_len = mxsize;  in sg_write()
655 	if ((hp->dxfer_direction == SG_DXFER_TO_DEV) ||  in sg_write()
656 	    (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV))  in sg_write()
657 		hp->dxferp = (char __user *)buf + cmd_size;  in sg_write()
659 		hp->dxferp = NULL;  in sg_write()
660 	hp->sbp = NULL;  in sg_write()
661 	hp->timeout = old_hdr.reply_len;	/* structure abuse ... */  in sg_write()
662 	hp->flags = input_size;	/* structure abuse ... */  in sg_write()
663 	hp->pack_id = old_hdr.pack_id;  in sg_write()
664 	hp->usr_ptr = NULL;  in sg_write()
672 	if (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV) {  in sg_write()
697 	sg_io_hdr_t *hp;  in sg_new_write()  local
714 	hp = &srp->header;  in sg_new_write()
715 	if (__copy_from_user(hp, buf, SZ_SG_IO_HDR)) {  in sg_new_write()
719 	if (hp->interface_id != 'S') {  in sg_new_write()
723 	if (hp->flags & SG_FLAG_MMAP_IO) {  in sg_new_write()
724 		if (hp->dxfer_len > sfp->reserve.bufflen) {  in sg_new_write()
728 		if (hp->flags & SG_FLAG_DIRECT_IO) {  in sg_new_write()
739 	if ((!hp->cmdp) || (hp->cmd_len < 6) || (hp->cmd_len > sizeof (cmnd))) {  in sg_new_write()
743 	if (!access_ok(VERIFY_READ, hp->cmdp, hp->cmd_len)) {  in sg_new_write()
747 	if (__copy_from_user(cmnd, hp->cmdp, hp->cmd_len)) {  in sg_new_write()
769 	sg_io_hdr_t *hp = &srp->header;  in sg_common_write()  local
772 	hp->status = 0;  in sg_common_write()
773 	hp->masked_status = 0;  in sg_common_write()
774 	hp->msg_status = 0;  in sg_common_write()
775 	hp->info = 0;  in sg_common_write()
776 	hp->host_status = 0;  in sg_common_write()
777 	hp->driver_status = 0;  in sg_common_write()
778 	hp->resid = 0;  in sg_common_write()
781 			(int) cmnd[0], (int) hp->cmd_len));  in sg_common_write()
803 	hp->duration = jiffies_to_msecs(jiffies);  in sg_common_write()
804 	if (hp->interface_id != '\0' &&	/* v3 (or later) interface */  in sg_common_write()
805 	    (SG_FLAG_Q_AT_TAIL & hp->flags))  in sg_common_write()
1669 	sg_io_hdr_t *hp = &srp->header;  in sg_start_req()  local
1670 	int dxfer_len = (int) hp->dxfer_len;  in sg_start_req()
1671 	int dxfer_dir = hp->dxfer_direction;  in sg_start_req()
1672 	unsigned int iov_count = hp->iovec_count;  in sg_start_req()
1677 	int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ;  in sg_start_req()
1684 	if (hp->cmd_len > BLK_MAX_CDB) {  in sg_start_req()
1685 		long_cmdp = kzalloc(hp->cmd_len, GFP_KERNEL);  in sg_start_req()
1713 	if (hp->cmd_len > BLK_MAX_CDB)  in sg_start_req()
1715 	memcpy(rq->cmd, cmd, hp->cmd_len);  in sg_start_req()
1716 	rq->cmd_len = hp->cmd_len;  in sg_start_req()
1726 	if (sg_allow_dio && hp->flags & SG_FLAG_DIRECT_IO &&  in sg_start_req()
1729 	    blk_rq_aligned(q, (unsigned long)hp->dxferp, dxfer_len))  in sg_start_req()
1747 		md->null_mapped = hp->dxferp ? 0 : 1;  in sg_start_req()
1758 		res = import_iovec(rw, hp->dxferp, iov_count, 0, &iov, &i);  in sg_start_req()
1762 		iov_iter_truncate(&i, hp->dxfer_len);  in sg_start_req()
1767 		res = blk_rq_map_user(q, rq, md, hp->dxferp,  in sg_start_req()
1768 				      hp->dxfer_len, GFP_ATOMIC);  in sg_start_req()
1775 			hp->info |= SG_INFO_DIRECT_IO;  in sg_start_req()
2600 	const sg_io_hdr_t *hp;  in sg_proc_debug_helper()  local
2620 			hp = &srp->header;  in sg_proc_debug_helper()
2621 			new_interface = (hp->interface_id == '\0') ? 0 : 1;  in sg_proc_debug_helper()
2624 				    (SG_FLAG_MMAP_IO & hp->flags))  in sg_proc_debug_helper()
2629 				if (SG_INFO_DIRECT_IO_MASK & hp->info)  in sg_proc_debug_helper()
2643 				seq_printf(s, " dur=%d", hp->duration);  in sg_proc_debug_helper()
2647 					(new_interface ? hp->timeout :  in sg_proc_debug_helper()
2649 					(ms > hp->duration ? ms - hp->duration : 0));  in sg_proc_debug_helper()