gem/selftests/i915_gem_mman.c

106 	int err;
108 	err = i915_gem_object_set_tiling(obj, tile->tiling, tile->stride);
109 	if (err) {
110 		pr_err("Failed to set tiling mode=%u, stride=%u, err=%d\n",
111 		       tile->tiling, tile->stride, err);
112 		return err;
119 	err = i915_gem_object_set_to_gtt_domain(obj, true);
121 	if (err) {
122 		pr_err("Failed to flush to GTT write domain; err=%d\n", err);
123 		return err;
131 		pr_err("Failed to pin partial view: offset=%lu; err=%d\n",
142 		pr_err("Failed to iomap partial view: offset=%lu; err=%d\n",
144 		err = PTR_ERR(io);
172 		err = -EINVAL;
182 	return err;
194 	int err;
196 	err = i915_gem_object_set_tiling(obj, tile->tiling, tile->stride);
197 	if (err) {
198 		pr_err("Failed to set tiling mode=%u, stride=%u, err=%d\n",
199 		       tile->tiling, tile->stride, err);
200 		return err;
207 	err = i915_gem_object_set_to_gtt_domain(obj, true);
209 	if (err) {
210 		pr_err("Failed to flush to GTT write domain; err=%d\n", err);
211 		return err;
228 			pr_err("Failed to pin partial view: offset=%lu; err=%d\n",
239 			pr_err("Failed to iomap partial view: offset=%lu; err=%d\n",
268 			err = -EINVAL;
273 		if (err)
274 			return err;
322 	int err;
341 	err = i915_gem_object_pin_pages_unlocked(obj);
342 	if (err) {
343 		pr_err("Failed to allocate %u pages (%lu total), err=%d\n",
344 		       nreal, obj->base.size / PAGE_SIZE, err);
361 		err = check_partial_mappings(obj, &tile, end);
362 		if (err && err != -EINTR)
399 			err = check_partial_mappings(obj, &tile, end);
400 			if (err == -EINTR)
402 			if (err)
407 				err = check_partial_mappings(obj, &tile, end);
408 				if (err == -EINTR)
410 				if (err)
416 				err = check_partial_mappings(obj, &tile, end);
417 				if (err == -EINTR)
419 				if (err)
427 				err = check_partial_mappings(obj, &tile, end);
428 				if (err == -EINTR)
430 				if (err)
443 	return err;
455 	int err;
478 	err = i915_gem_object_pin_pages_unlocked(obj);
479 	if (err) {
480 		pr_err("Failed to allocate %u pages (%lu total), err=%d\n",
481 		       nreal, obj->base.size / PAGE_SIZE, err);
524 		err = check_partial_mapping(obj, &tile, &prng);
525 		if (err)
537 	return err;
549 		int err;
557 		err = i915_gem_object_lock(obj, &ww);
558 		if (!err)
559 			err = i915_vma_pin_ww(vma, &ww, 0, 0, PIN_USER);
560 		if (err)
561 			goto err;
565 			err = PTR_ERR(rq);
569 		err = i915_vma_move_to_active(vma, rq,
575 err:
576 		if (err == -EDEADLK) {
577 			err = i915_gem_ww_ctx_backoff(&ww);
578 			if (!err)
582 		if (err)
583 			return err;
662 	int loop, err = 0;
680 			err = -ENOMEM;
697 		err = drm_mm_reserve_node(mm, resv);
698 		if (err) {
699 			pr_err("Failed to trim VMA manager, err=%d\n", err);
710 		err = -EINVAL;
717 		err = -EINVAL;
724 		err = PTR_ERR(obj);
729 	err = __assign_mmap_offset(obj, default_mapping(i915), &offset, NULL);
730 	if (err) {
737 		err = -EINVAL;
750 			err = PTR_ERR(obj);
754 		err = make_obj_busy(obj);
755 		if (err) {
773 	return err;
784 	int err = 0;
794 		err = PTR_ERR(map);
803 	return err;
811 	int err = 0;
821 		err = PTR_ERR(map);
828 		err = -EINVAL;
834 	return err;
855 	int err = 0;
864 		err = -EINVAL;
868 	return err;
901 	int err, i;
907 	err = wc_set(obj);
908 	if (err == -ENXIO)
909 		err = gtt_set(obj);
910 	if (err)
911 		return err;
913 	err = __assign_mmap_offset(obj, type, &offset, NULL);
914 	if (err)
915 		return err;
929 		err = -EINVAL;
940 			err = -EFAULT;
948 			err = -EINVAL;
956 			err = -EFAULT;
964 	err = wc_check(obj);
965 	if (err == -ENXIO)
966 		err = gtt_check(obj);
969 	return err;
991 			int err;
1000 			err = __igt_mmap(i915, obj, I915_MMAP_TYPE_GTT);
1001 			if (err == 0)
1002 				err = __igt_mmap(i915, obj, I915_MMAP_TYPE_WC);
1003 			if (err == 0)
1004 				err = __igt_mmap(i915, obj, I915_MMAP_TYPE_FIXED);
1007 			if (err)
1008 				return err;
1054 	int err;
1063 			err = PTR_ERR(obj);
1069 		err = i915_gem_object_pin_pages_unlocked(obj);
1070 		if (err) {
1071 			if (err != -ENXIO && err != -ENOMEM)
1075 				err = 0;
1091 	return err;
1100 	int err = 0, i;
1111 		err = -EINVAL;
1120 			err = -EFAULT;
1133 			err = -EINVAL;
1141 			err = -EINVAL;
1149 			err = -EFAULT;
1155 		if (err == -EFAULT)
1156 			err = 0;
1159 		err = wc_check(obj);
1163 	return err;
1182 	int err;
1193 	err = __assign_mmap_offset(obj, I915_MMAP_TYPE_FIXED, &offset, NULL);
1194 	if (err)
1206 		err = addr;
1211 		err = igt_fill_mappable(placements[0], &objects);
1212 		if (err)
1216 	err = i915_gem_object_lock(obj, NULL);
1217 	if (err)
1220 	err = i915_gem_object_pin_pages(obj);
1221 	if (err) {
1226 	err = intel_context_migrate_clear(to_gt(i915)->migrate.context, NULL,
1232 		err = dma_resv_reserve_fences(obj->base.resv, 1);
1233 		if (!err)
1239 	if (err)
1246 		err = i915_gem_object_lock(obj, NULL);
1247 		if (err)
1254 		err = i915_gem_object_wait_moving_fence(obj, true);
1256 		if (err)
1261 	err = ___igt_mmap_migrate(i915, obj, addr,
1264 	if (!err && obj->mm.region != expected_mr) {
1266 		err = -EINVAL;
1284 				err = -EINVAL;
1297 			err = -EINVAL;
1304 	return err;
1319 		int err;
1347 		err = __igt_mmap_migrate(mixed, ARRAY_SIZE(mixed), mr, 0);
1348 		if (err)
1355 		err = __igt_mmap_migrate(single, ARRAY_SIZE(single), mr,
1359 		if (err)
1366 		err = __igt_mmap_migrate(mixed, ARRAY_SIZE(mixed), system,
1369 		if (err)
1377 		err = __igt_mmap_migrate(single, ARRAY_SIZE(single), mr,
1381 		if (err)
1392 		err = __igt_mmap_migrate(single, ARRAY_SIZE(single), mr,
1402 		if (err)
1403 			return err;
1441 	int err;
1450 	err = __assign_mmap_offset(obj, type, &offset, NULL);
1451 	if (err)
1452 		return err;
1459 	err = __put_user(A, ptr);
1460 	if (err) {
1468 	err = access_process_vm(current, addr, &x, sizeof(x), 0);
1469 	if (err != sizeof(x)) {
1475 	err = access_process_vm(current, addr, &B, sizeof(B), FOLL_WRITE);
1476 	if (err != sizeof(B)) {
1484 	err = __get_user(y, ptr);
1485 	if (err) {
1495 		err = -EINVAL;
1501 	return err;
1512 		int err;
1524 		err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_GTT);
1525 		if (err == 0)
1526 			err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_WB);
1527 		if (err == 0)
1528 			err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_WC);
1529 		if (err == 0)
1530 			err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_UC);
1531 		if (err == 0)
1532 			err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_FIXED);
1535 		if (err)
1536 			return err;
1550 	int err;
1562 	err = wc_set(obj);
1563 	if (err == -ENXIO)
1564 		err = gtt_set(obj);
1565 	if (err)
1566 		return err;
1568 	err = __assign_mmap_offset(obj, type, &offset, NULL);
1569 	if (err)
1570 		return err;
1580 		err = -EFAULT;
1594 			err = PTR_ERR(vma);
1600 		err = i915_gem_object_lock(obj, &ww);
1601 		if (!err)
1602 			err = i915_vma_pin_ww(vma, &ww, 0, 0, PIN_USER);
1603 		if (err)
1608 			err = PTR_ERR(rq);
1612 		err = i915_vma_move_to_active(vma, rq, 0);
1614 		err = engine->emit_bb_start(rq, i915_vma_offset(vma), 0, 0);
1628 			err = -EIO;
1635 		if (err == -EDEADLK) {
1636 			err = i915_gem_ww_ctx_backoff(&ww);
1637 			if (!err)
1641 		if (err)
1647 	return err;
1658 		int err;
1670 		err = __igt_mmap_gpu(i915, obj, I915_MMAP_TYPE_GTT);
1671 		if (err == 0)
1672 			err = __igt_mmap_gpu(i915, obj, I915_MMAP_TYPE_WC);
1673 		if (err == 0)
1674 			err = __igt_mmap_gpu(i915, obj, I915_MMAP_TYPE_FIXED);
1677 		if (err)
1678 			return err;
1726 	int err;
1732 		err = __get_user(c, addr);
1733 		if (err)
1734 			return err;
1745 	int err;
1751 	err = __assign_mmap_offset(obj, type, &offset, NULL);
1752 	if (err)
1753 		return err;
1759 	err = prefault_range(addr, obj->base.size);
1760 	if (err)
1763 	err = check_present(addr, obj->base.size);
1764 	if (err) {
1775 	err = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
1777 	if (err) {
1788 			err = -EINVAL;
1793 	err = check_absent(addr, obj->base.size);
1794 	if (err) {
1801 	return err;
1812 		int err;
1824 		err = __igt_mmap_revoke(i915, obj, I915_MMAP_TYPE_GTT);
1825 		if (err == 0)
1826 			err = __igt_mmap_revoke(i915, obj, I915_MMAP_TYPE_WC);
1827 		if (err == 0)
1828 			err = __igt_mmap_revoke(i915, obj, I915_MMAP_TYPE_FIXED);
1831 		if (err)
1832 			return err;