39 	struct drm_sg_mem *entry;  in drm_sg_alloc()  local
48 	entry = malloc(sizeof(*entry), DRM_MEM_DRIVER, M_WAITOK | M_ZERO);  in drm_sg_alloc()
51 	entry->pages = OFF_TO_IDX(size);  in drm_sg_alloc()
52 	entry->busaddr = malloc(entry->pages * sizeof(*entry->busaddr),  in drm_sg_alloc()
55 	entry->vaddr = kmem_alloc_attr(kernel_arena, size, M_WAITOK | M_ZERO,  in drm_sg_alloc()
57 	if (entry->vaddr == 0) {  in drm_sg_alloc()
58 		drm_sg_cleanup(entry);  in drm_sg_alloc()
62 	for(pindex = 0; pindex < entry->pages; pindex++) {  in drm_sg_alloc()
63 		entry->busaddr[pindex] =  in drm_sg_alloc()
64 		    vtophys(entry->vaddr + IDX_TO_OFF(pindex));  in drm_sg_alloc()
70 		drm_sg_cleanup(entry);  in drm_sg_alloc()
73 	dev->sg = entry;  in drm_sg_alloc()
76 	request->handle = entry->vaddr;  in drm_sg_alloc()
79 	    entry->pages, entry->vaddr, *(unsigned long *)entry->vaddr);  in drm_sg_alloc()
96 drm_sg_cleanup(struct drm_sg_mem *entry)  in drm_sg_cleanup()  argument
98 	if (entry == NULL)  in drm_sg_cleanup()
101 	if (entry->vaddr != 0)  in drm_sg_cleanup()
102 		kmem_free(kernel_arena, entry->vaddr, IDX_TO_OFF(entry->pages));  in drm_sg_cleanup()
104 	free(entry->busaddr, DRM_MEM_SGLISTS);  in drm_sg_cleanup()
105 	free(entry, DRM_MEM_DRIVER);  in drm_sg_cleanup()
114 	struct drm_sg_mem *entry;  in drm_sg_free()  local
117 	entry = dev->sg;  in drm_sg_free()
121 	if (!entry || entry->vaddr != request->handle)  in drm_sg_free()
124 	DRM_DEBUG("free 0x%zx\n", entry->vaddr);  in drm_sg_free()
126 	drm_sg_cleanup(entry);  in drm_sg_free()