33 	u64 ua;			/* userspace address */  member
39 	 * We need to convert ua to hpa in real mode. Make it
56 static long mm_iommu_do_alloc(struct mm_struct *mm, unsigned long ua,  in mm_iommu_do_alloc()  argument
88 	 * we use @ua and @entries natural alignment to allow IOMMU pages  in mm_iommu_do_alloc()
91 	mem->pageshift = __ffs(ua | (entries << PAGE_SHIFT));  in mm_iommu_do_alloc()
106 		ret = pin_user_pages(ua + (entry << PAGE_SHIFT), n,  in mm_iommu_do_alloc()
127 	mem->ua = ua;  in mm_iommu_do_alloc()
135 		if ((mem2->ua < (ua + (entries << PAGE_SHIFT))) &&  in mm_iommu_do_alloc()
136 				(ua < (mem2->ua +  in mm_iommu_do_alloc()
186 long mm_iommu_new(struct mm_struct *mm, unsigned long ua, unsigned long entries,  in mm_iommu_new()  argument
189 	return mm_iommu_do_alloc(mm, ua, entries, MM_IOMMU_TABLE_INVALID_HPA,  in mm_iommu_new()
194 long mm_iommu_newdev(struct mm_struct *mm, unsigned long ua,  in mm_iommu_newdev()  argument
198 	return mm_iommu_do_alloc(mm, ua, entries, dev_hpa, pmem);  in mm_iommu_newdev()
289 		unsigned long ua, unsigned long size)  in mm_iommu_lookup()  argument
295 		if ((mem->ua <= ua) &&  in mm_iommu_lookup()
296 				(ua + size <= mem->ua +  in mm_iommu_lookup()
309 		unsigned long ua, unsigned long entries)  in mm_iommu_get()  argument
317 		if ((mem->ua == ua) && (mem->entries == entries)) {  in mm_iommu_get()
331 		unsigned long ua, unsigned int pageshift, unsigned long *hpa)  in mm_iommu_ua_to_hpa()  argument
333 	const long entry = (ua - mem->ua) >> PAGE_SHIFT;  in mm_iommu_ua_to_hpa()
343 		*hpa = mem->dev_hpa + (ua - mem->ua);  in mm_iommu_ua_to_hpa()
348 	*hpa = (*va & MM_IOMMU_TABLE_GROUP_PAGE_MASK) | (ua & ~PAGE_MASK);  in mm_iommu_ua_to_hpa()