Lines Matching defs:vmap

448 	struct vm_area_struct *vmap;
450 	vmap = linux_cdev_handle_find(vm_obj->handle);
452 	MPASS(vmap != NULL);
453 	MPASS(vmap->vm_private_data == vm_obj->handle);
455 	if (likely(vmap->vm_ops != NULL && offset < vmap->vm_len)) {
456 		vm_paddr_t paddr = IDX_TO_OFF(vmap->vm_pfn) + offset;
490 	struct vm_area_struct *vmap;
494 	vmap = linux_cdev_handle_find(vm_obj->handle);
495 	MPASS(vmap != NULL);
496 	MPASS(vmap->vm_private_data == vm_obj->handle);
502 	down_write(&vmap->vm_mm->mmap_sem);
503 	if (unlikely(vmap->vm_ops == NULL)) {
513 		vmf.vma = vmap;
515 		vmap->vm_pfn_count = 0;
516 		vmap->vm_pfn_pcount = &vmap->vm_pfn_count;
517 		vmap->vm_obj = vm_obj;
519 		err = vmap->vm_ops->fault(&vmf);
521 		while (vmap->vm_pfn_count == 0 && err == VM_FAULT_NOPAGE) {
523 			err = vmap->vm_ops->fault(&vmf);
542 		*first = vmap->vm_pfn_first;
543 		*last = *first + vmap->vm_pfn_count - 1;
550 	up_write(&vmap->vm_mm->mmap_sem);
560 linux_cdev_handle_free(struct vm_area_struct *vmap)
563 	if (vmap->vm_file != NULL)
564 		fput(vmap->vm_file);
567 	mmput(vmap->vm_mm);
569 	kfree(vmap);
573 linux_cdev_handle_remove(struct vm_area_struct *vmap)
576 	TAILQ_REMOVE(&linux_vma_head, vmap, vm_entry);
583 	struct vm_area_struct *vmap;
586 	TAILQ_FOREACH(vmap, &linux_vma_head, vm_entry) {
587 		if (vmap->vm_private_data == handle)
591 	return (vmap);
608 	struct vm_area_struct *vmap;
610 	vmap = linux_cdev_handle_find(handle);
611 	MPASS(vmap != NULL);
617 	linux_cdev_handle_remove(vmap);
619 	down_write(&vmap->vm_mm->mmap_sem);
620 	vm_ops = vmap->vm_ops;
622 		vm_ops->close(vmap);
623 	up_write(&vmap->vm_mm->mmap_sem);
625 	linux_cdev_handle_free(vmap);
1213 	struct vm_area_struct *vmap;
1232 	 * available as long as the vmap is in the linux_vma_head.
1239 	vmap = kzalloc(sizeof(*vmap), GFP_KERNEL);
1240 	vmap->vm_start = 0;
1241 	vmap->vm_end = size;
1242 	vmap->vm_pgoff = *offset / PAGE_SIZE;
1243 	vmap->vm_pfn = 0;
1244 	vmap->vm_flags = vmap->vm_page_prot = (nprot & VM_PROT_ALL);
1246 		vmap->vm_flags |= VM_SHARED;
1247 	vmap->vm_ops = NULL;
1248 	vmap->vm_file = get_file(filp);
1249 	vmap->vm_mm = mm;
1251 	if (unlikely(down_write_killable(&vmap->vm_mm->mmap_sem))) {
1254 		error = -OPW(fp, td, fop->mmap(filp, vmap));
1256 		up_write(&vmap->vm_mm->mmap_sem);
1260 		linux_cdev_handle_free(vmap);
1264 	attr = pgprot2cachemode(vmap->vm_page_prot);
1266 	if (vmap->vm_ops != NULL) {
1271 		if (vmap->vm_ops->open == NULL ||
1272 		    vmap->vm_ops->close == NULL ||
1273 		    vmap->vm_private_data == NULL) {
1275 			linux_cdev_handle_free(vmap);
1279 		vm_private_data = vmap->vm_private_data;
1300 			TAILQ_INSERT_TAIL(&linux_vma_head, vmap, vm_entry);
1302 			vm_no_fault = (vmap->vm_ops->fault == NULL);
1308 			linux_cdev_handle_free(vmap);
1329 				linux_cdev_handle_remove(vmap);
1331 				linux_cdev_handle_free(vmap);
1340 		    (vm_paddr_t)vmap->vm_pfn << PAGE_SHIFT, vmap->vm_len);
1342 		*object = vm_pager_allocate(OBJT_SG, sg, vmap->vm_len,
1345 		linux_cdev_handle_free(vmap);
1837 vmap(struct page **pages, unsigned int count, unsigned long flags, int prot)