419 			struct compat_sg_io_hdr __user *hp = buf;  in get_sg_io_pack_id()  local
421 			return get_user(*pack_id, &hp->pack_id);  in get_sg_io_pack_id()
425 			struct sg_io_hdr __user *hp = buf;  in get_sg_io_pack_id()  local
427 			return get_user(*pack_id, &hp->pack_id);  in get_sg_io_pack_id()
444 	sg_io_hdr_t *hp;  in sg_read()  local
480 	hp = &srp->header;  in sg_read()
485 	old_hdr->reply_len = (int) hp->timeout;  in sg_read()
487 	old_hdr->pack_id = hp->pack_id;  in sg_read()
489 	    ((srp->data.cmd_opcode >= 0xc0) && (12 == hp->cmd_len)) ? 1 : 0;  in sg_read()
490 	old_hdr->target_status = hp->masked_status;  in sg_read()
491 	old_hdr->host_status = hp->host_status;  in sg_read()
492 	old_hdr->driver_status = hp->driver_status;  in sg_read()
493 	if ((CHECK_CONDITION & hp->masked_status) ||  in sg_read()
499 	switch (hp->host_status) {  in sg_read()
521 				  hp->masked_status == GOOD) ? 0 : EIO;  in sg_read()
556 	sg_io_hdr_t *hp = &srp->header;  in sg_new_read()  local
569 	hp->sb_len_wr = 0;  in sg_new_read()
570 	if ((hp->mx_sb_len > 0) && hp->sbp) {  in sg_new_read()
571 		if ((CHECK_CONDITION & hp->masked_status) ||  in sg_new_read()
574 			sb_len = (hp->mx_sb_len > sb_len) ? sb_len : hp->mx_sb_len;  in sg_new_read()
577 			if (copy_to_user(hp->sbp, srp->sense_b, len)) {  in sg_new_read()
581 			hp->driver_status = DRIVER_SENSE;  in sg_new_read()
582 			hp->sb_len_wr = len;  in sg_new_read()
585 	if (hp->masked_status || hp->host_status || hp->driver_status)  in sg_new_read()
586 		hp->info |= SG_INFO_CHECK;  in sg_new_read()
587 	err = put_sg_io_hdr(hp, buf);  in sg_new_read()
604 	sg_io_hdr_t *hp;  in sg_write()  local
663 	hp = &srp->header;  in sg_write()
664 	hp->interface_id = '\0';	/* indicator of old interface tunnelled */  in sg_write()
665 	hp->cmd_len = (unsigned char) cmd_size;  in sg_write()
666 	hp->iovec_count = 0;  in sg_write()
667 	hp->mx_sb_len = 0;  in sg_write()
669 		hp->dxfer_direction = (old_hdr.reply_len > SZ_SG_HEADER) ?  in sg_write()
672 		hp->dxfer_direction = (mxsize > 0) ? SG_DXFER_FROM_DEV : SG_DXFER_NONE;  in sg_write()
673 	hp->dxfer_len = mxsize;  in sg_write()
674 	if ((hp->dxfer_direction == SG_DXFER_TO_DEV) ||  in sg_write()
675 	    (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV))  in sg_write()
676 		hp->dxferp = (char __user *)buf + cmd_size;  in sg_write()
678 		hp->dxferp = NULL;  in sg_write()
679 	hp->sbp = NULL;  in sg_write()
680 	hp->timeout = old_hdr.reply_len;	/* structure abuse ... */  in sg_write()
681 	hp->flags = input_size;	/* structure abuse ... */  in sg_write()
682 	hp->pack_id = old_hdr.pack_id;  in sg_write()
683 	hp->usr_ptr = NULL;  in sg_write()
693 	if (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV) {  in sg_write()
714 	sg_io_hdr_t *hp;  in sg_new_write()  local
729 	hp = &srp->header;  in sg_new_write()
730 	if (get_sg_io_hdr(hp, buf)) {  in sg_new_write()
734 	if (hp->interface_id != 'S') {  in sg_new_write()
738 	if (hp->flags & SG_FLAG_MMAP_IO) {  in sg_new_write()
739 		if (hp->dxfer_len > sfp->reserve.bufflen) {  in sg_new_write()
743 		if (hp->flags & SG_FLAG_DIRECT_IO) {  in sg_new_write()
754 	if ((!hp->cmdp) || (hp->cmd_len < 6) || (hp->cmd_len > sizeof (cmnd))) {  in sg_new_write()
758 	if (copy_from_user(cmnd, hp->cmdp, hp->cmd_len)) {  in sg_new_write()
780 	sg_io_hdr_t *hp = &srp->header;  in sg_common_write()  local
783 	hp->status = 0;  in sg_common_write()
784 	hp->masked_status = 0;  in sg_common_write()
785 	hp->msg_status = 0;  in sg_common_write()
786 	hp->info = 0;  in sg_common_write()
787 	hp->host_status = 0;  in sg_common_write()
788 	hp->driver_status = 0;  in sg_common_write()
789 	hp->resid = 0;  in sg_common_write()
792 			(int) cmnd[0], (int) hp->cmd_len));  in sg_common_write()
794 	if (hp->dxfer_len >= SZ_256M) {  in sg_common_write()
818 	hp->duration = jiffies_to_msecs(jiffies);  in sg_common_write()
819 	if (hp->interface_id != '\0' &&	/* v3 (or later) interface */  in sg_common_write()
820 	    (SG_FLAG_Q_AT_TAIL & hp->flags))  in sg_common_write()
1726 	sg_io_hdr_t *hp = &srp->header;  in sg_start_req()  local
1727 	int dxfer_len = (int) hp->dxfer_len;  in sg_start_req()
1728 	int dxfer_dir = hp->dxfer_direction;  in sg_start_req()
1729 	unsigned int iov_count = hp->iovec_count;  in sg_start_req()
1734 	int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? ITER_SOURCE : ITER_DEST;  in sg_start_req()
1752 	rq = scsi_alloc_request(q, hp->dxfer_direction == SG_DXFER_TO_DEV ?  in sg_start_req()
1758 	if (hp->cmd_len > sizeof(scmd->cmnd)) {  in sg_start_req()
1763 	memcpy(scmd->cmnd, cmd, hp->cmd_len);  in sg_start_req()
1764 	scmd->cmd_len = hp->cmd_len;  in sg_start_req()
1773 	if (sg_allow_dio && hp->flags & SG_FLAG_DIRECT_IO &&  in sg_start_req()
1775 	    blk_rq_aligned(q, (unsigned long)hp->dxferp, dxfer_len))  in sg_start_req()
1786 		} else if (hp->flags & SG_FLAG_MMAP_IO) {  in sg_start_req()
1805 		md->null_mapped = hp->dxferp ? 0 : 1;  in sg_start_req()
1812 	res = blk_rq_map_user_io(rq, md, hp->dxferp, hp->dxfer_len,  in sg_start_req()
1819 			hp->info |= SG_INFO_DIRECT_IO;  in sg_start_req()
2527 	const sg_io_hdr_t *hp;  in sg_proc_debug_helper()  local
2544 			hp = &srp->header;  in sg_proc_debug_helper()
2545 			new_interface = (hp->interface_id == '\0') ? 0 : 1;  in sg_proc_debug_helper()
2548 				    (SG_FLAG_MMAP_IO & hp->flags))  in sg_proc_debug_helper()
2553 				if (SG_INFO_DIRECT_IO_MASK & hp->info)  in sg_proc_debug_helper()
2567 				seq_printf(s, " dur=%d", hp->duration);  in sg_proc_debug_helper()
2571 					(new_interface ? hp->timeout :  in sg_proc_debug_helper()
2573 					(ms > hp->duration ? ms - hp->duration : 0));  in sg_proc_debug_helper()