237 xdb_get_buf(xdb_t *vdp, blkif_request_t *req, xdb_request_t *xreq)  in xdb_get_buf()  argument
247 	bp = XDB_XREQ2BP(xreq);  in xdb_get_buf()
248 	curseg = xreq->xr_curseg;  in xdb_get_buf()
255 		xreq->xr_vdp = vdp;  in xdb_get_buf()
256 		xreq->xr_op = op;  in xdb_get_buf()
257 		xreq->xr_id = ddi_get64(acchdl, &req->id);  in xdb_get_buf()
258 		segs = xreq->xr_buf_pages = ddi_get8(acchdl, &req->nr_segments);  in xdb_get_buf()
281 			segs = xreq->xr_buf_pages =  in xdb_get_buf()
289 			    vdp->xs_iopage_va, xreq->xr_idx, i);  in xdb_get_buf()
312 			xreq->xr_segs[i].fs = fs;  in xdb_get_buf()
313 			xreq->xr_segs[i].ls = ls;  in xdb_get_buf()
334 					    xreq->xr_plist[j].p_pagenum);  in xdb_get_buf()
340 			xreq->xr_page_hdls[i] = mapops[i].handle;  in xdb_get_buf()
357 			xreq->xr_pplist[i] = &xreq->xr_plist[i];  in xdb_get_buf()
358 			xreq->xr_plist[i].p_pagenum =  in xdb_get_buf()
374 				    vdp->xs_iopage_va, xreq->xr_idx, i);  in xdb_get_buf()
400 		    xreq->xr_idx));  in xdb_get_buf()
404 	bp->b_un.b_addr = XDB_IOPAGE_VA(vdp->xs_iopage_va, xreq->xr_idx,  in xdb_get_buf()
405 	    curseg) + xreq->xr_segs[curseg].fs * DEV_BSIZE;  in xdb_get_buf()
406 	bp->b_shadow = &xreq->xr_pplist[curseg];  in xdb_get_buf()
424 	for (i = curseg; i < xreq->xr_buf_pages; i++) {  in xdb_get_buf()
425 		if ((xreq->xr_segs[i].fs != 0) && (i != curseg)) {  in xdb_get_buf()
428 		sectors += (xreq->xr_segs[i].ls - xreq->xr_segs[i].fs + 1);  in xdb_get_buf()
429 		if ((xreq->xr_segs[i].ls != XB_LAST_SECTOR_IN_SEG) &&  in xdb_get_buf()
430 		    (i != (xreq->xr_buf_pages - 1))) {  in xdb_get_buf()
435 	xreq->xr_curseg = i;  in xdb_get_buf()
538 	xdb_request_t	*xreq;  in xdb_intr()  local
575 			xreq = xdb_get_req(vdp);  in xdb_intr()
576 			ASSERT(xreq);  in xdb_intr()
592 			xreq->xr_curseg = 0; /* start from first segment */  in xdb_intr()
593 			bp = xdb_get_buf(vdp, reqp, xreq);  in xdb_intr()
596 				xdb_free_req(xreq);  in xdb_intr()
636 	xdb_request_t *xreq = XDB_BP2XREQ(bp);  in xdb_biodone()  local
637 	xdb_t *vdp = xreq->xr_vdp;  in xdb_biodone()
646 	if ((bioerr == 0) && (xreq->xr_curseg < xreq->xr_buf_pages)) {  in xdb_biodone()
647 		nbp = xdb_get_buf(vdp, NULL, xreq);  in xdb_biodone()
665 	segs = xreq->xr_buf_pages;  in xdb_biodone()
673 		    vdp->xs_iopage_va, xreq->xr_idx, i);  in xdb_biodone()
680 		unmapops[i].handle = xreq->xr_page_hdls[i];  in xdb_biodone()
690 	if (xreq->xr_op == BLKIF_OP_WRITE_BARRIER ||  in xdb_biodone()
691 	    xreq->xr_op == BLKIF_OP_FLUSH_DISKCACHE) {  in xdb_biodone()
708 		if (xdb_push_response(vdp, xreq->xr_id, xreq->xr_op, bioerr))  in xdb_biodone()
712 		    (unsigned long long)xreq->xr_id));  in xdb_biodone()
716 	xdb_free_req(xreq);  in xdb_biodone()