426 			struct compat_sg_io_hdr __user *hp = buf;  in get_sg_io_pack_id()  local
428 			return get_user(*pack_id, &hp->pack_id);  in get_sg_io_pack_id()
432 			struct sg_io_hdr __user *hp = buf;  in get_sg_io_pack_id()  local
434 			return get_user(*pack_id, &hp->pack_id);  in get_sg_io_pack_id()
451 	sg_io_hdr_t *hp;  in sg_read()  local
487 	hp = &srp->header;  in sg_read()
492 	old_hdr->reply_len = (int) hp->timeout;  in sg_read()
494 	old_hdr->pack_id = hp->pack_id;  in sg_read()
496 	    ((srp->data.cmd_opcode >= 0xc0) && (12 == hp->cmd_len)) ? 1 : 0;  in sg_read()
497 	old_hdr->target_status = hp->masked_status;  in sg_read()
498 	old_hdr->host_status = hp->host_status;  in sg_read()
499 	old_hdr->driver_status = hp->driver_status;  in sg_read()
500 	if ((CHECK_CONDITION & hp->masked_status) ||  in sg_read()
506 	switch (hp->host_status) {  in sg_read()
528 				  hp->masked_status == GOOD) ? 0 : EIO;  in sg_read()
563 	sg_io_hdr_t *hp = &srp->header;  in sg_new_read()  local
576 	hp->sb_len_wr = 0;  in sg_new_read()
577 	if ((hp->mx_sb_len > 0) && hp->sbp) {  in sg_new_read()
578 		if ((CHECK_CONDITION & hp->masked_status) ||  in sg_new_read()
581 			sb_len = (hp->mx_sb_len > sb_len) ? sb_len : hp->mx_sb_len;  in sg_new_read()
584 			if (copy_to_user(hp->sbp, srp->sense_b, len)) {  in sg_new_read()
588 			hp->driver_status = DRIVER_SENSE;  in sg_new_read()
589 			hp->sb_len_wr = len;  in sg_new_read()
592 	if (hp->masked_status || hp->host_status || hp->driver_status)  in sg_new_read()
593 		hp->info |= SG_INFO_CHECK;  in sg_new_read()
594 	err = put_sg_io_hdr(hp, buf);  in sg_new_read()
611 	sg_io_hdr_t *hp;  in sg_write()  local
670 	hp = &srp->header;  in sg_write()
671 	hp->interface_id = '\0';	/* indicator of old interface tunnelled */  in sg_write()
672 	hp->cmd_len = (unsigned char) cmd_size;  in sg_write()
673 	hp->iovec_count = 0;  in sg_write()
674 	hp->mx_sb_len = 0;  in sg_write()
676 		hp->dxfer_direction = (old_hdr.reply_len > SZ_SG_HEADER) ?  in sg_write()
679 		hp->dxfer_direction = (mxsize > 0) ? SG_DXFER_FROM_DEV : SG_DXFER_NONE;  in sg_write()
680 	hp->dxfer_len = mxsize;  in sg_write()
681 	if ((hp->dxfer_direction == SG_DXFER_TO_DEV) ||  in sg_write()
682 	    (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV))  in sg_write()
683 		hp->dxferp = (char __user *)buf + cmd_size;  in sg_write()
685 		hp->dxferp = NULL;  in sg_write()
686 	hp->sbp = NULL;  in sg_write()
687 	hp->timeout = old_hdr.reply_len;	/* structure abuse ... */  in sg_write()
688 	hp->flags = input_size;	/* structure abuse ... */  in sg_write()
689 	hp->pack_id = old_hdr.pack_id;  in sg_write()
690 	hp->usr_ptr = NULL;  in sg_write()
700 	if (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV) {  in sg_write()
721 	sg_io_hdr_t *hp;  in sg_new_write()  local
736 	hp = &srp->header;  in sg_new_write()
737 	if (get_sg_io_hdr(hp, buf)) {  in sg_new_write()
741 	if (hp->interface_id != 'S') {  in sg_new_write()
745 	if (hp->flags & SG_FLAG_MMAP_IO) {  in sg_new_write()
746 		if (hp->dxfer_len > sfp->reserve.bufflen) {  in sg_new_write()
750 		if (hp->flags & SG_FLAG_DIRECT_IO) {  in sg_new_write()
761 	if ((!hp->cmdp) || (hp->cmd_len < 6) || (hp->cmd_len > sizeof (cmnd))) {  in sg_new_write()
765 	if (copy_from_user(cmnd, hp->cmdp, hp->cmd_len)) {  in sg_new_write()
787 	sg_io_hdr_t *hp = &srp->header;  in sg_common_write()  local
790 	hp->status = 0;  in sg_common_write()
791 	hp->masked_status = 0;  in sg_common_write()
792 	hp->msg_status = 0;  in sg_common_write()
793 	hp->info = 0;  in sg_common_write()
794 	hp->host_status = 0;  in sg_common_write()
795 	hp->driver_status = 0;  in sg_common_write()
796 	hp->resid = 0;  in sg_common_write()
799 			(int) cmnd[0], (int) hp->cmd_len));  in sg_common_write()
801 	if (hp->dxfer_len >= SZ_256M) {  in sg_common_write()
825 	hp->duration = jiffies_to_msecs(jiffies);  in sg_common_write()
826 	if (hp->interface_id != '\0' &&	/* v3 (or later) interface */  in sg_common_write()
827 	    (SG_FLAG_Q_AT_TAIL & hp->flags))  in sg_common_write()
1733 	sg_io_hdr_t *hp = &srp->header;  in sg_start_req()  local
1734 	int dxfer_len = (int) hp->dxfer_len;  in sg_start_req()
1735 	int dxfer_dir = hp->dxfer_direction;  in sg_start_req()
1736 	unsigned int iov_count = hp->iovec_count;  in sg_start_req()
1741 	int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? ITER_SOURCE : ITER_DEST;  in sg_start_req()
1759 	rq = scsi_alloc_request(q, hp->dxfer_direction == SG_DXFER_TO_DEV ?  in sg_start_req()
1765 	if (hp->cmd_len > sizeof(scmd->cmnd)) {  in sg_start_req()
1770 	memcpy(scmd->cmnd, cmd, hp->cmd_len);  in sg_start_req()
1771 	scmd->cmd_len = hp->cmd_len;  in sg_start_req()
1780 	if (sg_allow_dio && hp->flags & SG_FLAG_DIRECT_IO &&  in sg_start_req()
1782 	    blk_rq_aligned(q, (unsigned long)hp->dxferp, dxfer_len))  in sg_start_req()
1793 		} else if (hp->flags & SG_FLAG_MMAP_IO) {  in sg_start_req()
1812 		md->null_mapped = hp->dxferp ? 0 : 1;  in sg_start_req()
1819 	res = blk_rq_map_user_io(rq, md, hp->dxferp, hp->dxfer_len,  in sg_start_req()
1826 			hp->info |= SG_INFO_DIRECT_IO;  in sg_start_req()
2534 	const sg_io_hdr_t *hp;  in sg_proc_debug_helper()  local
2551 			hp = &srp->header;  in sg_proc_debug_helper()
2552 			new_interface = (hp->interface_id == '\0') ? 0 : 1;  in sg_proc_debug_helper()
2555 				    (SG_FLAG_MMAP_IO & hp->flags))  in sg_proc_debug_helper()
2560 				if (SG_INFO_DIRECT_IO_MASK & hp->info)  in sg_proc_debug_helper()
2574 				seq_printf(s, " dur=%d", hp->duration);  in sg_proc_debug_helper()
2578 					(new_interface ? hp->timeout :  in sg_proc_debug_helper()
2580 					(ms > hp->duration ? ms - hp->duration : 0));  in sg_proc_debug_helper()