2  * QEMU block dirty bitmap QMP commands
37 #include "block/dirty-bitmap.h"
43  * Return a dirty bitmap (if present), after validating
44  * the node reference and bitmap names.
47  * @name: The name of the bitmap to search for
51  * @return: A bitmap object on success, or NULL on failure.
59     BdrvDirtyBitmap *bitmap;  in block_dirty_bitmap_lookup()  local
68         error_setg(errp, "Bitmap name cannot be NULL");  in block_dirty_bitmap_lookup()
77     bitmap = bdrv_find_dirty_bitmap(bs, name);  in block_dirty_bitmap_lookup()
78     if (!bitmap) {  in block_dirty_bitmap_lookup()
79         error_setg(errp, "Dirty bitmap '%s' not found", name);  in block_dirty_bitmap_lookup()
87     return bitmap;  in block_dirty_bitmap_lookup()
97     BdrvDirtyBitmap *bitmap;  in qmp_block_dirty_bitmap_add()  local
100         error_setg(errp, "Bitmap name cannot be empty");  in qmp_block_dirty_bitmap_add()
134     bitmap = bdrv_create_dirty_bitmap(bs, granularity, name, errp);  in qmp_block_dirty_bitmap_add()
135     if (bitmap == NULL) {  in qmp_block_dirty_bitmap_add()
140         bdrv_disable_dirty_bitmap(bitmap);  in qmp_block_dirty_bitmap_add()
143     bdrv_dirty_bitmap_set_persistence(bitmap, persistent);  in qmp_block_dirty_bitmap_add()
152     BdrvDirtyBitmap *bitmap;  in block_dirty_bitmap_remove()  local
156     bitmap = block_dirty_bitmap_lookup(node, name, &bs, errp);  in block_dirty_bitmap_remove()
157     if (!bitmap || !bs) {  in block_dirty_bitmap_remove()
161     if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_BUSY | BDRV_BITMAP_RO,  in block_dirty_bitmap_remove()
166     if (bdrv_dirty_bitmap_get_persistence(bitmap) &&  in block_dirty_bitmap_remove()
173         bdrv_release_dirty_bitmap(bitmap);  in block_dirty_bitmap_remove()
180     return release ? NULL : bitmap;  in block_dirty_bitmap_remove()
190  * Completely clear a bitmap, for the purposes of synchronizing a bitmap
196     BdrvDirtyBitmap *bitmap;  in qmp_block_dirty_bitmap_clear()  local
199     bitmap = block_dirty_bitmap_lookup(node, name, &bs, errp);  in qmp_block_dirty_bitmap_clear()
200     if (!bitmap || !bs) {  in qmp_block_dirty_bitmap_clear()
204     if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_DEFAULT, errp)) {  in qmp_block_dirty_bitmap_clear()
208     bdrv_clear_dirty_bitmap(bitmap, NULL);  in qmp_block_dirty_bitmap_clear()
215     BdrvDirtyBitmap *bitmap;  in qmp_block_dirty_bitmap_enable()  local
217     bitmap = block_dirty_bitmap_lookup(node, name, &bs, errp);  in qmp_block_dirty_bitmap_enable()
218     if (!bitmap) {  in qmp_block_dirty_bitmap_enable()
222     if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_ALLOW_RO, errp)) {  in qmp_block_dirty_bitmap_enable()
226     bdrv_enable_dirty_bitmap(bitmap);  in qmp_block_dirty_bitmap_enable()
233     BdrvDirtyBitmap *bitmap;  in qmp_block_dirty_bitmap_disable()  local
235     bitmap = block_dirty_bitmap_lookup(node, name, &bs, errp);  in qmp_block_dirty_bitmap_disable()
236     if (!bitmap) {  in qmp_block_dirty_bitmap_disable()
240     if (bdrv_dirty_bitmap_check(bitmap, BDRV_BITMAP_ALLOW_RO, errp)) {  in qmp_block_dirty_bitmap_disable()
244     bdrv_disable_dirty_bitmap(bitmap);  in qmp_block_dirty_bitmap_disable()
271                 error_setg(errp, "Dirty bitmap '%s' not found", src_bitmap);  in block_dirty_bitmap_merge()