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 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_map()
220 	if (!(cmd->flags & IOMMU_IOAS_MAP_FIXED_IOVA))  in iommufd_ioas_map()
223 				 u64_to_user_ptr(cmd->user_va), cmd->length,  in iommufd_ioas_map()
224 				 conv_iommu_prot(cmd->flags), flags);  in iommufd_ioas_map()
228 	cmd->iova = iova;  in iommufd_ioas_map()
229 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_map()
237 	struct iommu_ioas_copy *cmd = ucmd->cmd;  in iommufd_ioas_copy()  local
245 	iommufd_test_syz_conv_iova_id(ucmd, cmd->src_ioas_id, &cmd->src_iova,  in iommufd_ioas_copy()
246 				      &cmd->flags);  in iommufd_ioas_copy()
248 	if ((cmd->flags &  in iommufd_ioas_copy()
252 	if (cmd->length >= ULONG_MAX || cmd->src_iova >= ULONG_MAX ||  in iommufd_ioas_copy()
253 	    cmd->dst_iova >= ULONG_MAX)  in iommufd_ioas_copy()
256 	src_ioas = iommufd_get_ioas(ucmd->ictx, cmd->src_ioas_id);  in iommufd_ioas_copy()
259 	rc = iopt_get_pages(&src_ioas->iopt, cmd->src_iova, cmd->length,  in iommufd_ioas_copy()
265 	dst_ioas = iommufd_get_ioas(ucmd->ictx, cmd->dst_ioas_id);  in iommufd_ioas_copy()
271 	if (!(cmd->flags & IOMMU_IOAS_MAP_FIXED_IOVA))  in iommufd_ioas_copy()
273 	iova = cmd->dst_iova;  in iommufd_ioas_copy()
274 	rc = iopt_map_pages(&dst_ioas->iopt, &pages_list, cmd->length, &iova,  in iommufd_ioas_copy()
275 			    conv_iommu_prot(cmd->flags), flags);  in iommufd_ioas_copy()
279 	cmd->dst_iova = iova;  in iommufd_ioas_copy()
280 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_copy()
290 	struct iommu_ioas_unmap *cmd = ucmd->cmd;  in iommufd_ioas_unmap()  local
295 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->ioas_id);  in iommufd_ioas_unmap()
299 	if (cmd->iova == 0 && cmd->length == U64_MAX) {  in iommufd_ioas_unmap()
304 		if (cmd->iova >= ULONG_MAX || cmd->length >= ULONG_MAX) {  in iommufd_ioas_unmap()
308 		rc = iopt_unmap_iova(&ioas->iopt, cmd->iova, cmd->length,  in iommufd_ioas_unmap()
314 	cmd->length = unmapped;  in iommufd_ioas_unmap()
315 	rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd));  in iommufd_ioas_unmap()
322 int iommufd_option_rlimit_mode(struct iommu_option *cmd,  in iommufd_option_rlimit_mode()  argument
325 	if (cmd->object_id)  in iommufd_option_rlimit_mode()
328 	if (cmd->op == IOMMU_OPTION_OP_GET) {  in iommufd_option_rlimit_mode()
329 		cmd->val64 = ictx->account_mode == IOPT_PAGES_ACCOUNT_MM;  in iommufd_option_rlimit_mode()
332 	if (cmd->op == IOMMU_OPTION_OP_SET) {  in iommufd_option_rlimit_mode()
342 			if (cmd->val64 == 0)  in iommufd_option_rlimit_mode()
344 			else if (cmd->val64 == 1)  in iommufd_option_rlimit_mode()
356 static int iommufd_ioas_option_huge_pages(struct iommu_option *cmd,  in iommufd_ioas_option_huge_pages()  argument
359 	if (cmd->op == IOMMU_OPTION_OP_GET) {  in iommufd_ioas_option_huge_pages()
360 		cmd->val64 = !ioas->iopt.disable_large_pages;  in iommufd_ioas_option_huge_pages()
363 	if (cmd->op == IOMMU_OPTION_OP_SET) {  in iommufd_ioas_option_huge_pages()
364 		if (cmd->val64 == 0)  in iommufd_ioas_option_huge_pages()
366 		if (cmd->val64 == 1) {  in iommufd_ioas_option_huge_pages()
377 	struct iommu_option *cmd = ucmd->cmd;  in iommufd_ioas_option()  local
381 	if (cmd->__reserved)  in iommufd_ioas_option()
384 	ioas = iommufd_get_ioas(ucmd->ictx, cmd->object_id);  in iommufd_ioas_option()
388 	switch (cmd->option_id) {  in iommufd_ioas_option()
390 		rc = iommufd_ioas_option_huge_pages(cmd, ioas);  in iommufd_ioas_option()