i86xpv/vm/seg_mf.c

29  * map pages of other domains or Xen (e.g. during save/restore).  ioctl()s on
30  * the privcmd driver provide the MFN values backing each mapping, and we map
99 	segmf_map_t	*map;
133 	data->map = kmem_alloc(npages * sizeof (segmf_map_t), KM_SLEEP);
135 		data->map[i].t_type = SEGMF_MAP_EMPTY;
167 	ndata->map = kmem_alloc(sz, KM_SLEEP);
168 	bcopy(data->map, ndata->map, sz);
212 	kmem_free(data->map, npages * sizeof (segmf_map_t));
228 	segmf_map_t *map;
233 	map = &data->map[idx];
234 	ASSERT(map->t_type == SEGMF_MAP_MFN);
236 	mfn = map->u.m.m_mfn;
560 		data->map[base + i].t_type = SEGMF_MAP_MFN;
561 		data->map[base + i].u.m.m_mfn = mfn++;
570 			data->map[base + i].t_type = SEGMF_MAP_EMPTY;
584 	segmf_map_t *map;
606 	map = &data->map[idx];
621 		map[i].t_type = SEGMF_MAP_GREF;
622 		map[i].u.g.g_gref = grefs[i];
623 		map[i].u.g.g_handle = 0;
624 		map[i].u.g.g_flags = 0;
626 			map[i].u.g.g_flags |= SEGMF_GFLAGS_WR;
633 			data->map[i].t_type = SEGMF_MAP_EMPTY;
647 	segmf_map_t *map;
660 	map = &data->map[idx];
670 		ASSERT(map[i].t_type != SEGMF_MAP_MFN);
671 		if ((map[i].t_type == SEGMF_MAP_GREF) &&
672 		    (map[i].u.g.g_flags & SEGMF_GFLAGS_MAPPED)) {
673 			mapop[n].handle = map[i].u.g.g_handle;
674 			mapop[n].host_addr = map[i].u.g.g_ptep;
678 		map[i].t_type = SEGMF_MAP_EMPTY;
704 	data->map[idx].u.g.g_ptep = pte_ma;
713 	segmf_map_t *map;
725 	map = &data->map[idx];
729 	ASSERT(map->t_type == SEGMF_MAP_GREF);
732 	 * map in each page passed in into the user apps AS. We do this by
736 		mapop[i].host_addr = map[i].u.g.g_ptep;
738 		mapop[i].ref = map[i].u.g.g_gref;
741 		if (!(map[i].u.g.g_flags & SEGMF_GFLAGS_WR)) {
753 		map[i].u.g.g_handle = mapop[i].handle;
754 		map[i].u.g.g_flags |= SEGMF_GFLAGS_MAPPED;