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/openbmc/qemu/block/
H A Ddirty-bitmap.c35 HBitmap *bitmap; /* Dirty bitmap implementation */ member
61 BdrvDirtyBitmap *bitmap; member
74 void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap) in bdrv_dirty_bitmap_lock() argument
76 bdrv_dirty_bitmaps_lock(bitmap->bs); in bdrv_dirty_bitmap_lock()
79 void bdrv_dirty_bitmap_unlock(BdrvDirtyBitmap *bitmap) in bdrv_dirty_bitmap_unlock() argument
81 bdrv_dirty_bitmaps_unlock(bitmap->bs); in bdrv_dirty_bitmap_unlock()
105 BdrvDirtyBitmap *bitmap; in bdrv_create_dirty_bitmap() local
125 bitmap = g_new0(BdrvDirtyBitmap, 1); in bdrv_create_dirty_bitmap()
126 bitmap->bs = bs; in bdrv_create_dirty_bitmap()
127 bitmap->bitmap = hbitmap_alloc(bitmap_size, ctz32(granularity)); in bdrv_create_dirty_bitmap()
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H A Dparallels-ext.c64 uint32_t l1_size, BdrvDirtyBitmap *bitmap, in parallels_load_bitmap_data() argument
70 uint64_t bm_size = bdrv_dirty_bitmap_size(bitmap); in parallels_load_bitmap_data()
73 DIV_ROUND_UP(bdrv_dirty_bitmap_serialization_size(bitmap, 0, bm_size), in parallels_load_bitmap_data()
84 limit = bdrv_dirty_bitmap_serialization_coverage(s->cluster_size, bitmap); in parallels_load_bitmap_data()
95 bdrv_dirty_bitmap_deserialize_ones(bitmap, offset, count, false); in parallels_load_bitmap_data()
104 bdrv_dirty_bitmap_deserialize_part(bitmap, buf, offset, count, in parallels_load_bitmap_data()
110 bdrv_dirty_bitmap_deserialize_finish(bitmap); in parallels_load_bitmap_data()
129 BdrvDirtyBitmap *bitmap; in parallels_load_bitmap() local
161 bitmap = bdrv_create_dirty_bitmap(bs, bf.granularity, uuidstr, errp); in parallels_load_bitmap()
162 if (!bitmap) { in parallels_load_bitmap()
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H A Dqcow2-bitmap.c53 #error In the code bitmap table physical size assumed to fit into int
290 uint32_t bitmap_table_size, BdrvDirtyBitmap *bitmap) in load_bitmap_data() argument
295 uint64_t bm_size = bdrv_dirty_bitmap_size(bitmap); in load_bitmap_data()
299 bdrv_dirty_bitmap_serialization_size(bitmap, 0, bm_size)); in load_bitmap_data()
306 limit = bdrv_dirty_bitmap_serialization_coverage(s->cluster_size, bitmap); in load_bitmap_data()
316 bdrv_dirty_bitmap_deserialize_ones(bitmap, offset, count, in load_bitmap_data()
327 bdrv_dirty_bitmap_deserialize_part(bitmap, buf, offset, count, in load_bitmap_data()
333 bdrv_dirty_bitmap_deserialize_finish(bitmap); in load_bitmap_data()
348 BdrvDirtyBitmap *bitmap = NULL; in load_bitmap() local
351 bitmap = bdrv_create_dirty_bitmap(bs, granularity, bm->name, errp); in load_bitmap()
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/openbmc/qemu/include/block/
H A Ddirty-bitmap.h25 int bdrv_dirty_bitmap_create_successor(BdrvDirtyBitmap *bitmap,
27 BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BdrvDirtyBitmap *bitmap,
29 BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BdrvDirtyBitmap *bitmap,
31 void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap);
34 int bdrv_dirty_bitmap_check(const BdrvDirtyBitmap *bitmap, uint32_t flags,
36 void bdrv_release_dirty_bitmap(BdrvDirtyBitmap *bitmap);
46 void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
47 void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
48 void bdrv_enable_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap);
51 uint32_t bdrv_dirty_bitmap_granularity(const BdrvDirtyBitmap *bitmap);
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/openbmc/qemu/block/monitor/
H A Dbitmap-qmp-cmds.c59 BdrvDirtyBitmap *bitmap; in block_dirty_bitmap_lookup() local
77 bitmap = bdrv_find_dirty_bitmap(bs, name); in block_dirty_bitmap_lookup()
78 if (!bitmap) { in block_dirty_bitmap_lookup()
87 return bitmap; in block_dirty_bitmap_lookup()
97 BdrvDirtyBitmap *bitmap; in qmp_block_dirty_bitmap_add() local
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
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/openbmc/qemu/hw/ppc/
H A Dspapr_ovec.c32 unsigned long *bitmap; member
41 VMSTATE_BITMAP(bitmap, SpaprOptionVector, 1, bitmap_size),
51 ov->bitmap = bitmap_new(OV_MAXBITS); in spapr_ovec_new()
64 bitmap_copy(ov->bitmap, ov_orig->bitmap, OV_MAXBITS); in spapr_ovec_clone()
77 bitmap_and(ov->bitmap, ov1->bitmap, ov2->bitmap, OV_MAXBITS); in spapr_ovec_intersect()
89 bitmap_andnot(tmp, ov1->bitmap, ov2->bitmap, OV_MAXBITS); in spapr_ovec_subset()
100 g_free(ov->bitmap); in spapr_ovec_cleanup()
110 set_bit(bitnr, ov->bitmap); in spapr_ovec_set()
118 clear_bit(bitnr, ov->bitmap); in spapr_ovec_clear()
126 return test_bit(bitnr, ov->bitmap) ? true : false; in spapr_ovec_test()
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/openbmc/qemu/tests/qemu-iotests/
H A D242.out2 {"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 16384, "name"…
21 No bitmap in JSON format output
24 {"execute": "block-dirty-bitmap-add", "arguments": {"disabled": true, "granularity": 32768, "name":…
42 name: bitmap-1
53 "name": "bitmap-1"
58 {"execute": "block-dirty-bitmap-add", "arguments": {"disabled": false, "granularity": 65536, "name"…
76 name: bitmap-1
81 name: bitmap-2
92 "name": "bitmap-1"
99 "name": "bitmap-2"
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H A D124191 def make_reference_backup(self, bitmap=None): argument
192 if bitmap is None:
193 bitmap = self.bitmaps[-1]
194 _, reference = bitmap.last_target()
195 res = self.do_qmp_backup(job_id=bitmap.drive['id'],
196 device=bitmap.drive['id'], sync='full',
197 format=bitmap.drive['fmt'], target=reference)
202 bitmap = Bitmap(name, drive)
203 self.bitmaps.append(bitmap)
205 name=bitmap.name, **kwargs)
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H A D246.out8 {"execute": "block-dirty-bitmap-add", "arguments": {"granularity": 32768, "name": "Small", "node": …
10 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "Medium", "node": "drive0", "persistent…
12 {"execute": "block-dirty-bitmap-add", "arguments": {"granularity": 131072, "name": "Large", "node":…
14 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "Transient", "node": "drive0", "persist…
88 --- Adding new bitmap, growing image, and adding 2nd new bitmap ---
89 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "New", "node": "drive0", "persistent": …
93 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "Newtwo", "node": "drive0", "persistent…
191 --- Adding "NewB" bitmap, removing "New" bitmap ---
192 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "NewB", "node": "drive0", "persistent":…
194 {"execute": "block-dirty-bitmap-remove", "arguments": {"name": "New", "node": "drive0"}}
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H A D236.out6 {"execute": "block-dirty-bitmap-add", "arguments": {"granularity": 65536, "name": "bitmapA", "node"…
8 {"execute": "block-dirty-bitmap-add", "arguments": {"granularity": 65536, "name": "bitmapB", "node"…
55 "type": "block-dirty-bitmap-disable"
63 "type": "block-dirty-bitmap-add"
70 "type": "block-dirty-bitmap-clear"
119 "type": "block-dirty-bitmap-disable"
127 "type": "block-dirty-bitmap-add"
134 "type": "block-dirty-bitmap-disable"
141 "type": "block-dirty-bitmap-enable"
172 "type": "block-dirty-bitmap-disable"
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H A D254.out1 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0"}}
3 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap1", "node": "drive0", "persisten…
5 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap2", "node": "drive0", "persisten…
24 "type": "block-dirty-bitmap-add"
37 "type": "block-dirty-bitmap-merge"
45 "type": "block-dirty-bitmap-add"
58 "type": "block-dirty-bitmap-merge"
66 "type": "block-dirty-bitmap-add"
79 "type": "block-dirty-bitmap-merge"
86 "type": "block-dirty-bitmap-remove"
H A D260.out4 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0", "persisten…
6 initial bitmap: name=bitmap0 dirty-clusters=1
16 check bitmap after commit: name=bitmap0 dirty-clusters=2
17 check updated bitmap: name=bitmap0 dirty-clusters=3
21 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0", "persisten…
23 initial bitmap: name=bitmap0 dirty-clusters=1
33 check bitmap after commit: name=bitmap0 dirty-clusters=2
34 check updated bitmap: name=bitmap0 dirty-clusters=3
38 {"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0", "persisten…
40 initial bitmap: name=bitmap0 dirty-clusters=1
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H A D257.out2 === Mode bitmap; Bitmap Sync never with simulated failure ===
39 {"execute": "block-dirty-bitmap-add", "arguments": {"granularity": 65536, "name": "bitmap0", "node"…
94 … false, "bitmap": "bitmap0", "bitmap-mode": "never", "device": "drive0", "filter-node-name": "back…
232 … false, "bitmap": "bitmap0", "bitmap-mode": "never", "device": "drive0", "filter-node-name": "back…
258 {"execute": "block-dirty-bitmap-remove", "arguments": {"name": "bitmap0", "node": "drive0"}}
271 === Mode bitmap; Bitmap Sync never with intermediate failure ===
308 {"execute": "block-dirty-bitmap-add", "arguments": {"granularity": 65536, "name": "bitmap0", "node"…
365 … false, "bitmap": "bitmap0", "bitmap-mode": "never", "device": "drive0", "filter-node-name": "back…
439 … false, "bitmap": "bitmap0", "bitmap-mode": "never", "device": "drive0", "filter-node-name": "back…
465 {"execute": "block-dirty-bitmap-remove", "arguments": {"name": "bitmap0", "node": "drive0"}}
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/openbmc/qemu/tests/qemu-iotests/tests/
H A Dqemu-img-close-errors.out8 qemu-img bitmap --add exit code: 0
9 …t bitmaps during inactivation of node 'NODE_NAME': Failed to write bitmap 'good-bitmap' to file: N…
11 …t bitmaps during inactivation of node 'NODE_NAME': Failed to write bitmap 'good-bitmap' to file: N…
12 qemu-img bitmap --merge exit code: 1
17 … bitmaps during inactivation of node 'NODE_NAME': Failed to write bitmap 'stale-bitmap-7' to file:…
18 … bitmaps during inactivation of node 'NODE_NAME': Failed to write bitmap 'stale-bitmap-7' to file:…
21 qemu-img bitmap --add exit code: 0
22 qemu-img bitmap --merge exit code: 0
H A Dqemu-img-bitmaps62 $QEMU_IMG bitmap --add -f $IMGFMT "$TEST_IMG.base" b0
70 $QEMU_IMG bitmap --add -g 512k -f $IMGFMT "$TEST_IMG" b1
71 $QEMU_IMG bitmap --add --disable -f $IMGFMT "$TEST_IMG" b2
73 $QEMU_IMG bitmap --clear -f $IMGFMT "$TEST_IMG" b1
75 $QEMU_IMG bitmap --disable -f $IMGFMT "$TEST_IMG" b1
76 $QEMU_IMG bitmap --enable -f $IMGFMT "$TEST_IMG" b2
97 $QEMU_IMG bitmap --add --disable -f $IMGFMT "$TEST_IMG" b0
98 $QEMU_IMG bitmap --add --merge b0 -b "$TEST_IMG.base" -F $IMGFMT \
100 $QEMU_IMG bitmap --merge tmp -f $IMGFMT "$TEST_IMG" b0
101 $QEMU_IMG bitmap --remove --image-opts \
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H A Dimage-fleecing58 bitmap=False): argument
68 if bitmap:
132 if bitmap:
193 if bitmap and p in zeroes:
239 if bitmap and p in zeroes:
279 nbd_sock_path=None, target_img_path=None, bitmap=False): argument
285 bitmap=bitmap)
287 def test_pull(use_cbw, use_snapshot_access_filter, bitmap=False): argument
291 bitmap=bitmap)
308 test_pull(True, True, bitmap=True)
H A Dbackup-discard-source81 self.bitmap = {
86 self.vm.cmd('block-dirty-bitmap-add', self.bitmap)
118 bitmap = temp['dirty-bitmaps'][0]
119 assert bitmap['name'] == self.bitmap['name']
120 return bitmap['count']
150 self.vm.cmd('block-dirty-bitmap-clear', self.bitmap)
H A Dremove-bitmap-from-backing.out1 Trying to remove persistent bitmap from r-o base node, should fail:
2 {"execute": "block-dirty-bitmap-remove", "arguments": {"name": "bitmap0", "node": "base"}}
4 Remove persistent bitmap from base node reopened to RW:
5 {"execute": "block-dirty-bitmap-remove", "arguments": {"name": "bitmap0", "node": "base"}}
/openbmc/qemu/migration/
H A Dblock-dirty-bitmap.c115 BdrvDirtyBitmap *bitmap; member
140 BdrvDirtyBitmap *bitmap; member
152 BdrvDirtyBitmap *bitmap; member
384 BdrvDirtyBitmap *bitmap = dbms->bitmap; in send_bitmap_header() local
393 if (bitmap != s->prev_bitmap) { in send_bitmap_header()
394 s->prev_bitmap = bitmap; in send_bitmap_header()
413 qemu_put_be32(f, bdrv_dirty_bitmap_granularity(dbms->bitmap)); in send_bitmap_start()
431 dbms->bitmap, start_sector << BDRV_SECTOR_BITS, in send_bitmap_bits()
438 dbms->bitmap, buf, start_sector << BDRV_SECTOR_BITS, in send_bitmap_bits()
474 bdrv_dirty_bitmap_set_busy(dbms->bitmap, false); in dirty_bitmap_do_save_cleanup()
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/openbmc/qemu/util/
H A Dthread-context.c91 unsigned long *bitmap = NULL; in thread_context_set_cpu_affinity() local
111 bitmap = bitmap_new(nbits); in thread_context_set_cpu_affinity()
113 set_bit(l->value, bitmap); in thread_context_set_cpu_affinity()
121 ret = qemu_thread_set_affinity(&tc->thread, bitmap, nbits); in thread_context_set_cpu_affinity()
126 tc->init_cpu_bitmap = bitmap; in thread_context_set_cpu_affinity()
127 bitmap = NULL; in thread_context_set_cpu_affinity()
131 g_free(bitmap); in thread_context_set_cpu_affinity()
139 unsigned long *bitmap, nbits, value; in thread_context_get_cpu_affinity() local
150 ret = qemu_thread_get_affinity(&tc->thread, &bitmap, &nbits); in thread_context_get_cpu_affinity()
156 value = find_first_bit(bitmap, nbits); in thread_context_get_cpu_affinity()
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/openbmc/qemu/hw/virtio/
H A Dvirtio-qmp.c490 #define CONVERT_FEATURES(type, map, is_status, bitmap) \ argument
501 if ((bitmap & bit) == 0) { \
508 bitmap ^= bit; \
513 VirtioDeviceStatus *qmp_decode_status(uint8_t bitmap) in qmp_decode_status() argument
521 1, bitmap); in qmp_decode_status()
522 status->has_unknown_statuses = bitmap != 0; in qmp_decode_status()
524 status->unknown_statuses = bitmap; in qmp_decode_status()
530 VhostDeviceProtocols *qmp_decode_protocols(uint64_t bitmap) in qmp_decode_protocols() argument
539 vhost_user_protocol_map, 0, bitmap); in qmp_decode_protocols()
540 vhu_protocols->has_unknown_protocols = bitmap != 0; in qmp_decode_protocols()
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/openbmc/qemu/docs/interop/
H A Dbitmaps.rst31 that is tracked is the granularity of the bitmap. If the granularity of a
32 bitmap is 64K, each '1' bit means that a 64K region as a whole may have
36 requires more computational overhead and larger bitmap sizes. Larger
37 granularities mean smaller bitmap sizes, but less targeted backups.
39 The size of a bitmap (in bytes) can be computed as such:
42 e.g. the size of a 64KiB granularity bitmap on a 2TiB image is:
56 attaching the bitmap elsewhere in the storage graph. This is beyond the scope
72 writes bitmap data to disk upon close. If persistence is not required for a
73 specific use case, all bitmap features excepting persistence are available for
77 any changes to the bitmap will be discarded upon exit.
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/openbmc/u-boot/arch/x86/lib/
H A Dpirq_routing.c13 static u8 pirq_get_next_free_irq(struct udevice *dev, u8 *pirq, u16 bitmap, in pirq_get_next_free_irq() argument
22 if (!((bitmap >> i) & 1)) in pirq_get_next_free_irq()
69 int bitmap = irq->irq[intx].bitmap; in pirq_route_irqs() local
73 'A' + intx, link, bitmap); in pirq_route_irqs()
75 if (!bitmap || !link) { in pirq_route_irqs()
86 irq = pirq_get_next_free_irq(dev, pirq, bitmap, in pirq_route_irqs()
/openbmc/qemu/qapi/
H A Dtransaction.json48 # @block-dirty-bitmap-add: Since 2.5
50 # @block-dirty-bitmap-remove: Since 4.2
52 # @block-dirty-bitmap-clear: Since 2.5
54 # @block-dirty-bitmap-enable: Since 4.0
56 # @block-dirty-bitmap-disable: Since 4.0
58 # @block-dirty-bitmap-merge: Since 4.0
78 'data': [ 'abort', 'block-dirty-bitmap-add', 'block-dirty-bitmap-remove',
79 'block-dirty-bitmap-clear', 'block-dirty-bitmap-enable',
80 'block-dirty-bitmap-disable', 'block-dirty-bitmap-merge',
172 'block-dirty-bitmap-add': 'BlockDirtyBitmapAddWrapper',
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/openbmc/qemu/system/
H A Dram-block-attributes.c47 first_discarded_bit = find_next_zero_bit(attr->bitmap, last_bit + 1, in ram_block_attributes_rdm_is_populated()
86 first_bit = find_next_bit(attr->bitmap, attr->bitmap_size, in ram_block_attributes_for_each_populated_section()
93 last_bit = find_next_zero_bit(attr->bitmap, attr->bitmap_size, in ram_block_attributes_for_each_populated_section()
108 first_bit = find_next_bit(attr->bitmap, attr->bitmap_size, in ram_block_attributes_for_each_populated_section()
127 first_bit = find_next_zero_bit(attr->bitmap, attr->bitmap_size, in ram_block_attributes_for_each_discarded_section()
134 last_bit = find_next_bit(attr->bitmap, attr->bitmap_size, in ram_block_attributes_for_each_discarded_section()
149 first_bit = find_next_zero_bit(attr->bitmap, in ram_block_attributes_for_each_discarded_section()
327 const bool is_discarded = find_next_bit(attr->bitmap, attr->bitmap_size, in ram_block_attributes_state_change()
329 const bool is_populated = find_next_zero_bit(attr->bitmap, in ram_block_attributes_state_change()
351 bitmap_clear(attr->bitmap, first_bit, nbits); in ram_block_attributes_state_change()
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