Lines Matching defs:is
389 struct iommu_state *is = &pbm->sp_is;
397 is->is_bustag = pbm->sp_regt;
399 if (bus_space_subregion(is->is_bustag, pbm->sp_regh,
401 sizeof(struct iommureg), &is->is_iommu)) {
405 is->is_sb[0] = &pbm->sp_sb;
406 is->is_sb[0]->sb_bustag = is->is_bustag;
407 is->is_sb[0]->sb_flush = (void *)(va & ~0x3f);
409 if (bus_space_subregion(is->is_bustag, pbm->sp_regh,
411 sizeof(struct iommu_strbuf), &is->is_sb[0]->sb_sb)) {
413 is->is_sb[0]->sb_flush = NULL;
418 bus_space_write_8(is->is_bustag, is->is_sb[0]->sb_sb,
420 bus_space_read_8(is->is_bustag, is->is_sb[0]->sb_sb,
422 is->is_sb[0]->sb_flush = NULL;
454 iommu_init(name, &iommu_hw_default, is, tsbsize, iobase);