39 	struct iommu_ioas_alloc *cmd = ucmd->cmd;  in iommufd_ioas_alloc_ioctl()  local
43 	if (cmd->flags)  in iommufd_ioas_alloc_ioctl()
50 	cmd->out_ioas_id = ioas->obj.id;  in iommufd_ioas_alloc_ioctl()
51 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_alloc_ioctl()
65 	struct iommu_ioas_iova_ranges *cmd = ucmd->cmd;  in iommufd_ioas_iova_ranges()  local
71 	if (cmd->__reserved)  in iommufd_ioas_iova_ranges()
74 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_iova_ranges()
79 	max_iovas = cmd->num_iovas;  in iommufd_ioas_iova_ranges()
80 	ranges = u64_to_user_ptr(cmd->allowed_iovas);  in iommufd_ioas_iova_ranges()
81 	cmd->num_iovas = 0;  in iommufd_ioas_iova_ranges()
82 	cmd->out_iova_alignment = ioas->iopt.iova_alignment;  in iommufd_ioas_iova_ranges()
87 		if (cmd->num_iovas < max_iovas) {  in iommufd_ioas_iova_ranges()
93 			if (copy_to_user(&ranges[cmd->num_iovas], &elm,  in iommufd_ioas_iova_ranges()
99 		cmd->num_iovas++;  in iommufd_ioas_iova_ranges()
101 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_iova_ranges()
104 	if (cmd->num_iovas > max_iovas)  in iommufd_ioas_iova_ranges()
144 	struct iommu_ioas_allow_iovas *cmd = ucmd->cmd;  in iommufd_ioas_allow_iovas()  local
151 	if (cmd->__reserved)  in iommufd_ioas_allow_iovas()
154 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_allow_iovas()
160 				     u64_to_user_ptr(cmd->allowed_iovas),  in iommufd_ioas_allow_iovas()
161 				     cmd->num_iovas);  in iommufd_ioas_allow_iovas()
202 	struct iommu_ioas_map *cmd = ucmd->cmd;  in iommufd_ioas_map()  local
203 	unsigned long iova = cmd->iova;  in iommufd_ioas_map()
208 	if ((cmd->flags &  in iommufd_ioas_map()
211 	    cmd->__reserved)  in iommufd_ioas_map()
213 	if (cmd->iova >= ULONG_MAX || cmd->length >= ULONG_MAX)  in iommufd_ioas_map()
216 	if (!(cmd->flags &  in iommufd_ioas_map()
220 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_map()
224 	if (!(cmd->flags & IOMMU_IOAS_MAP_FIXED_IOVA))  in iommufd_ioas_map()
227 				 u64_to_user_ptr(cmd->user_va), cmd->length,  in iommufd_ioas_map()
228 				 conv_iommu_prot(cmd->flags), flags);  in iommufd_ioas_map()
232 	cmd->iova = iova;  in iommufd_ioas_map()
233 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_map()
241 	struct iommu_ioas_copy *cmd = ucmd->cmd;  in iommufd_ioas_copy()  local
249 	iommufd_test_syz_conv_iova_id(ucmd, cmd->src_ioas_id, &cmd->src_iova,  in iommufd_ioas_copy()
250 				      &cmd->flags);  in iommufd_ioas_copy()
252 	if ((cmd->flags &  in iommufd_ioas_copy()
256 	if (cmd->length >= ULONG_MAX || cmd->src_iova >= ULONG_MAX ||  in iommufd_ioas_copy()
257 	    cmd->dst_iova >= ULONG_MAX)  in iommufd_ioas_copy()
260 	if (!(cmd->flags &  in iommufd_ioas_copy()
264 	src_ioas = iommufd_get_ioas(ucmd->ictx, cmd->src_ioas_id);  in iommufd_ioas_copy()
267 	rc = iopt_get_pages(&src_ioas->iopt, cmd->src_iova, cmd->length,  in iommufd_ioas_copy()
273 	dst_ioas = iommufd_get_ioas(ucmd->ictx, cmd->dst_ioas_id);  in iommufd_ioas_copy()
279 	if (!(cmd->flags & IOMMU_IOAS_MAP_FIXED_IOVA))  in iommufd_ioas_copy()
281 	iova = cmd->dst_iova;  in iommufd_ioas_copy()
282 	rc = iopt_map_pages(&dst_ioas->iopt, &pages_list, cmd->length, &iova,  in iommufd_ioas_copy()
283 			    conv_iommu_prot(cmd->flags), flags);  in iommufd_ioas_copy()
287 	cmd->dst_iova = iova;  in iommufd_ioas_copy()
288 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_copy()
298 	struct iommu_ioas_unmap *cmd = ucmd->cmd;  in iommufd_ioas_unmap()  local
303 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_unmap()
307 	if (cmd->iova == 0 && cmd->length == U64_MAX) {  in iommufd_ioas_unmap()
312 		if (cmd->iova >= ULONG_MAX || cmd->length >= ULONG_MAX) {  in iommufd_ioas_unmap()
316 		rc = iopt_unmap_iova(&ioas->iopt, cmd->iova, cmd->length,  in iommufd_ioas_unmap()
322 	cmd->length = unmapped;  in iommufd_ioas_unmap()
323 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_unmap()
330 int iommufd_option_rlimit_mode(struct iommu_option *cmd,  in iommufd_option_rlimit_mode()  argument
333 	if (cmd->object_id)  in iommufd_option_rlimit_mode()
336 	if (cmd->op == IOMMU_OPTION_OP_GET) {  in iommufd_option_rlimit_mode()
337 		cmd->val64 = ictx->account_mode == IOPT_PAGES_ACCOUNT_MM;  in iommufd_option_rlimit_mode()
340 	if (cmd->op == IOMMU_OPTION_OP_SET) {  in iommufd_option_rlimit_mode()
350 			if (cmd->val64 == 0)  in iommufd_option_rlimit_mode()
352 			else if (cmd->val64 == 1)  in iommufd_option_rlimit_mode()
364 static int iommufd_ioas_option_huge_pages(struct iommu_option *cmd,  in iommufd_ioas_option_huge_pages()  argument
367 	if (cmd->op == IOMMU_OPTION_OP_GET) {  in iommufd_ioas_option_huge_pages()
368 		cmd->val64 = !ioas->iopt.disable_large_pages;  in iommufd_ioas_option_huge_pages()
371 	if (cmd->op == IOMMU_OPTION_OP_SET) {  in iommufd_ioas_option_huge_pages()
372 		if (cmd->val64 == 0)  in iommufd_ioas_option_huge_pages()
374 		if (cmd->val64 == 1) {  in iommufd_ioas_option_huge_pages()
385 	struct iommu_option *cmd = ucmd->cmd;  in iommufd_ioas_option()  local
389 	if (cmd->__reserved)  in iommufd_ioas_option()
392 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->object_id);  in iommufd_ioas_option()
396 	switch (cmd->option_id) {  in iommufd_ioas_option()
398 		rc = iommufd_ioas_option_huge_pages(cmd, ioas);  in iommufd_ioas_option()