amd/amdkfd/kfd_svm.c

493 			pr_debug("reuse old bo svms 0x%p [0x%lx 0x%lx]\n",
929 	unsigned char *new, *old, *pold;
944 	old = svm_range_copy_array(pold, size, old_n, d, NULL);
945 	if (!old) {
950 	*(void **)ppold = old;
957 svm_range_split_pages(struct svm_range *new, struct svm_range *old,
964 		r = svm_range_split_array(&new->dma_addr[i], &old->dma_addr[i],
965 					  sizeof(*old->dma_addr[i]), old->start,
967 					  old->actual_loc ? &new->vram_pages : NULL);
971 	if (old->actual_loc)
972 		old->vram_pages -= new->vram_pages;
978 svm_range_split_nodes(struct svm_range *new, struct svm_range *old,
986 	if (new->start == old->start) {
987 		new->offset = old->offset;
988 		old->offset += new->npages;
990 		new->offset = old->offset + npages;
993 	new->svm_bo = svm_range_bo_ref(old->svm_bo);
994 	new->ttm_res = old->ttm_res;
1007  * @old: the old range
1008  * @start: the old range adjust to start address in pages
1009  * @last: the old range adjust to last address in pages
1011  * Copy system memory dma_addr or vram ttm_res in old range to new
1012  * range from new_start up to size new->npages, the remaining old range is from
1019 svm_range_split_adjust(struct svm_range *new, struct svm_range *old,
1024 	pr_debug("svms 0x%p new 0x%lx old [0x%lx 0x%lx] => [0x%llx 0x%llx]\n",
1025 		 new->svms, new->start, old->start, old->last, start, last);
1027 	if (new->start < old->start ||
1028 	    new->last > old->last) {
1033 	r = svm_range_split_pages(new, old, start, last);
1037 	if (old->actual_loc && old->ttm_res) {
1038 		r = svm_range_split_nodes(new, old, start, last);
1043 	old->npages = last - start + 1;
1044 	old->start = start;
1045 	old->last = last;
1046 	new->flags = old->flags;
1047 	new->preferred_loc = old->preferred_loc;
1048 	new->prefetch_loc = old->prefetch_loc;
1049 	new->actual_loc = old->actual_loc;
1050 	new->granularity = old->granularity;
1051 	new->mapped_to_gpu = old->mapped_to_gpu;
1052 	bitmap_copy(new->bitmap_access, old->bitmap_access, MAX_GPU_INSTANCE);
1053 	bitmap_copy(new->bitmap_aip, old->bitmap_aip, MAX_GPU_INSTANCE);
1955 static struct svm_range *svm_range_clone(struct svm_range *old)
1959 	new = svm_range_new(old->svms, old->start, old->last, false);
1962 	if (svm_range_copy_dma_addrs(new, old)) {
1966 	if (old->svm_bo) {
1967 		new->ttm_res = old->ttm_res;
1968 		new->offset = old->offset;
1969 		new->svm_bo = svm_range_bo_ref(old->svm_bo);
1974 	new->flags = old->flags;
1975 	new->preferred_loc = old->preferred_loc;
1976 	new->prefetch_loc = old->prefetch_loc;
1977 	new->actual_loc = old->actual_loc;
1978 	new->granularity = old->granularity;
1979 	new->mapped_to_gpu = old->mapped_to_gpu;
1980 	new->vram_pages = old->vram_pages;
1981 	bitmap_copy(new->bitmap_access, old->bitmap_access, MAX_GPU_INSTANCE);
1982 	bitmap_copy(new->bitmap_aip, old->bitmap_aip, MAX_GPU_INSTANCE);
2058  * Otherwise the caller can free the clones and new ranges, while the old
2108 			struct svm_range *old = prange;
2110 			prange = svm_range_clone(old);
2116 			list_add(&old->update_list, remove_list);
2121 				pr_debug("change old range start\n");
2128 				pr_debug("change old range last\n");
3570 		pr_debug("unlink old 0x%p prange 0x%p [0x%lx 0x%lx]\n",