40 	struct iommu_ioas_alloc *cmd = ucmd->cmd;  in iommufd_ioas_alloc_ioctl()  local
44 	if (cmd->flags)  in iommufd_ioas_alloc_ioctl()
51 	cmd->out_ioas_id = ioas->obj.id;  in iommufd_ioas_alloc_ioctl()
52 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_alloc_ioctl()
69 	struct iommu_ioas_iova_ranges *cmd = ucmd->cmd;  in iommufd_ioas_iova_ranges()  local
75 	if (cmd->__reserved)  in iommufd_ioas_iova_ranges()
78 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_iova_ranges()
83 	max_iovas = cmd->num_iovas;  in iommufd_ioas_iova_ranges()
84 	ranges = u64_to_user_ptr(cmd->allowed_iovas);  in iommufd_ioas_iova_ranges()
85 	cmd->num_iovas = 0;  in iommufd_ioas_iova_ranges()
86 	cmd->out_iova_alignment = ioas->iopt.iova_alignment;  in iommufd_ioas_iova_ranges()
91 		if (cmd->num_iovas < max_iovas) {  in iommufd_ioas_iova_ranges()
97 			if (copy_to_user(&ranges[cmd->num_iovas], &elm,  in iommufd_ioas_iova_ranges()
103 		cmd->num_iovas++;  in iommufd_ioas_iova_ranges()
105 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_iova_ranges()
108 	if (cmd->num_iovas > max_iovas)  in iommufd_ioas_iova_ranges()
148 	struct iommu_ioas_allow_iovas *cmd = ucmd->cmd;  in iommufd_ioas_allow_iovas()  local
155 	if (cmd->__reserved)  in iommufd_ioas_allow_iovas()
158 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_allow_iovas()
164 				     u64_to_user_ptr(cmd->allowed_iovas),  in iommufd_ioas_allow_iovas()
165 				     cmd->num_iovas);  in iommufd_ioas_allow_iovas()
206 	struct iommu_ioas_map_file *cmd = ucmd->cmd;  in iommufd_ioas_map_file()  local
207 	unsigned long iova = cmd->iova;  in iommufd_ioas_map_file()
213 	if (cmd->flags &  in iommufd_ioas_map_file()
218 	if (cmd->iova >= ULONG_MAX || cmd->length >= ULONG_MAX)  in iommufd_ioas_map_file()
221 	if (!(cmd->flags &  in iommufd_ioas_map_file()
225 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_map_file()
229 	if (!(cmd->flags & IOMMU_IOAS_MAP_FIXED_IOVA))  in iommufd_ioas_map_file()
232 	file = fget(cmd->fd);  in iommufd_ioas_map_file()
237 				 cmd->start, cmd->length,  in iommufd_ioas_map_file()
238 				 conv_iommu_prot(cmd->flags), flags);  in iommufd_ioas_map_file()
242 	cmd->iova = iova;  in iommufd_ioas_map_file()
243 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_map_file()
252 	struct iommu_ioas_map *cmd = ucmd->cmd;  in iommufd_ioas_map()  local
253 	unsigned long iova = cmd->iova;  in iommufd_ioas_map()
258 	if ((cmd->flags &  in iommufd_ioas_map()
261 	    cmd->__reserved)  in iommufd_ioas_map()
263 	if (cmd->iova >= ULONG_MAX || cmd->length >= ULONG_MAX)  in iommufd_ioas_map()
266 	if (!(cmd->flags &  in iommufd_ioas_map()
270 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_map()
274 	if (!(cmd->flags & IOMMU_IOAS_MAP_FIXED_IOVA))  in iommufd_ioas_map()
277 				 u64_to_user_ptr(cmd->user_va), cmd->length,  in iommufd_ioas_map()
278 				 conv_iommu_prot(cmd->flags), flags);  in iommufd_ioas_map()
282 	cmd->iova = iova;  in iommufd_ioas_map()
283 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_map()
291 	struct iommu_ioas_copy *cmd = ucmd->cmd;  in iommufd_ioas_copy()  local
299 	iommufd_test_syz_conv_iova_id(ucmd, cmd->src_ioas_id, &cmd->src_iova,  in iommufd_ioas_copy()
300 				      &cmd->flags);  in iommufd_ioas_copy()
302 	if ((cmd->flags &  in iommufd_ioas_copy()
306 	if (cmd->length >= ULONG_MAX || cmd->src_iova >= ULONG_MAX ||  in iommufd_ioas_copy()
307 	    cmd->dst_iova >= ULONG_MAX)  in iommufd_ioas_copy()
310 	if (!(cmd->flags &  in iommufd_ioas_copy()
314 	src_ioas = iommufd_get_ioas(ucmd->ictx, cmd->src_ioas_id);  in iommufd_ioas_copy()
317 	rc = iopt_get_pages(&src_ioas->iopt, cmd->src_iova, cmd->length,  in iommufd_ioas_copy()
323 	dst_ioas = iommufd_get_ioas(ucmd->ictx, cmd->dst_ioas_id);  in iommufd_ioas_copy()
329 	if (!(cmd->flags & IOMMU_IOAS_MAP_FIXED_IOVA))  in iommufd_ioas_copy()
331 	iova = cmd->dst_iova;  in iommufd_ioas_copy()
332 	rc = iopt_map_pages(&dst_ioas->iopt, &pages_list, cmd->length, &iova,  in iommufd_ioas_copy()
333 			    conv_iommu_prot(cmd->flags), flags);  in iommufd_ioas_copy()
337 	cmd->dst_iova = iova;  in iommufd_ioas_copy()
338 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_copy()
348 	struct iommu_ioas_unmap *cmd = ucmd->cmd;  in iommufd_ioas_unmap()  local
353 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_unmap()
357 	if (cmd->iova == 0 && cmd->length == U64_MAX) {  in iommufd_ioas_unmap()
362 		if (cmd->iova >= ULONG_MAX || cmd->length >= ULONG_MAX) {  in iommufd_ioas_unmap()
366 		rc = iopt_unmap_iova(&ioas->iopt, cmd->iova, cmd->length,  in iommufd_ioas_unmap()
372 	cmd->length = unmapped;  in iommufd_ioas_unmap()
373 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_unmap()
521 	struct iommu_ioas_change_process *cmd = ucmd->cmd;  in iommufd_ioas_change_process()  local
531 	if (cmd->__reserved)  in iommufd_ioas_change_process()
589 int iommufd_option_rlimit_mode(struct iommu_option *cmd,  in iommufd_option_rlimit_mode()  argument
592 	if (cmd->object_id)  in iommufd_option_rlimit_mode()
595 	if (cmd->op == IOMMU_OPTION_OP_GET) {  in iommufd_option_rlimit_mode()
596 		cmd->val64 = ictx->account_mode == IOPT_PAGES_ACCOUNT_MM;  in iommufd_option_rlimit_mode()
599 	if (cmd->op == IOMMU_OPTION_OP_SET) {  in iommufd_option_rlimit_mode()
609 			if (cmd->val64 == 0)  in iommufd_option_rlimit_mode()
611 			else if (cmd->val64 == 1)  in iommufd_option_rlimit_mode()
623 static int iommufd_ioas_option_huge_pages(struct iommu_option *cmd,  in iommufd_ioas_option_huge_pages()  argument
626 	if (cmd->op == IOMMU_OPTION_OP_GET) {  in iommufd_ioas_option_huge_pages()
627 		cmd->val64 = !ioas->iopt.disable_large_pages;  in iommufd_ioas_option_huge_pages()
630 	if (cmd->op == IOMMU_OPTION_OP_SET) {  in iommufd_ioas_option_huge_pages()
631 		if (cmd->val64 == 0)  in iommufd_ioas_option_huge_pages()
633 		if (cmd->val64 == 1) {  in iommufd_ioas_option_huge_pages()
644 	struct iommu_option *cmd = ucmd->cmd;  in iommufd_ioas_option()  local
648 	if (cmd->__reserved)  in iommufd_ioas_option()
651 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->object_id);  in iommufd_ioas_option()
655 	switch (cmd->option_id) {  in iommufd_ioas_option()
657 		rc = iommufd_ioas_option_huge_pages(cmd, ioas);  in iommufd_ioas_option()