QA output created by 223

=== Create partially sparse image, then add dirty bitmaps ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4194304
wrote 2097152/2097152 bytes at offset 1048576
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Testing:
QMP_VERSION
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"return": {}}
{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}


=== Write part of the file under active bitmap ===

wrote 512/512 bytes at offset 512
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

=== End dirty bitmaps, and start serving image over NBD ===

{"execute":"qmp_capabilities"}
{"return": {}}
{"execute":"blockdev-add", "arguments":{"driver":"IMGFMT", "node-name":"n", "file":{"driver":"file", "filename":"TEST_DIR/t.IMGFMT"}}}
{"return": {}}
{"execute":"block-dirty-bitmap-disable", "arguments":{"node":"n", "name":"b"}}
{"return": {}}

=== Set up NBD with normal access ===

{"execute":"nbd-server-add", "arguments":{"device":"n"}}
{"error": {"class": "GenericError", "desc": "NBD server not running"}}
{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd"}}}}
{"return": {}}
{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd1"}}}}
{"error": {"class": "GenericError", "desc": "NBD server already running"}}
exports available: 0
{"execute":"nbd-server-add", "arguments":{"device":"n", "bitmap":"b"}}
{"return": {}}
{"execute":"nbd-server-add", "arguments":{"device":"nosuch"}}
{"error": {"class": "GenericError", "desc": "Cannot find device=nosuch nor node_name=nosuch"}}
{"execute":"nbd-server-add", "arguments":{"device":"n"}}
{"error": {"class": "GenericError", "desc": "NBD server already has export named 'n'"}}
{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b2"}}
{"error": {"class": "GenericError", "desc": "Enabled bitmap 'b2' incompatible with readonly export"}}
{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b3"}}
{"error": {"class": "GenericError", "desc": "Bitmap 'b3' is not found"}}
{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "writable":true, "description":"some text", "bitmap":"b2"}}
{"return": {}}
exports available: 2
 export: 'n'
  size:  4194304
  flags: 0x58f ( readonly flush fua df multi cache )
  min block: 1
  opt block: 4096
  max block: 33554432
  available meta contexts: 2
   base:allocation
   qemu:dirty-bitmap:b
 export: 'n2'
  description: some text
  size:  4194304
  flags: 0xced ( flush fua trim zeroes df cache fast-zero )
  min block: 1
  opt block: 4096
  max block: 33554432
  available meta contexts: 2
   base:allocation
   qemu:dirty-bitmap:b2

=== Contrast normal status to large granularity dirty-bitmap ===

read 512/512 bytes at offset 512
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 524288/524288 bytes at offset 524288
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
[{ "start": 0, "length": 4096, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 4096, "length": 1044480, "depth": 0, "zero": true, "data": false, "offset": OFFSET},
{ "start": 1048576, "length": 3145728, "depth": 0, "zero": false, "data": true, "offset": OFFSET}]
[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false},
{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]

=== Contrast to small granularity dirty-bitmap ===

[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false},
{ "start": 1024, "length": 2096128, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]

=== End qemu NBD server ===

{"execute":"nbd-server-remove", "arguments":{"name":"n"}}
{"return": {}}
{"execute":"nbd-server-remove", "arguments":{"name":"n2"}}
{"return": {}}
{"execute":"nbd-server-remove", "arguments":{"name":"n2"}}
{"error": {"class": "GenericError", "desc": "Export 'n2' is not found"}}
{"execute":"nbd-server-stop"}
{"return": {}}
{"execute":"nbd-server-stop"}
{"error": {"class": "GenericError", "desc": "NBD server not running"}}

=== Set up NBD with iothread access ===

{"execute":"x-blockdev-set-iothread", "arguments":{"node-name":"n", "iothread":"io0"}}
{"return": {}}
{"execute":"nbd-server-add", "arguments":{"device":"n"}}
{"error": {"class": "GenericError", "desc": "NBD server not running"}}
{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd"}}}}
{"return": {}}
{"execute":"nbd-server-start", "arguments":{"addr":{"type":"unix", "data":{"path":"SOCK_DIR/nbd1"}}}}
{"error": {"class": "GenericError", "desc": "NBD server already running"}}
exports available: 0
{"execute":"nbd-server-add", "arguments":{"device":"n", "bitmap":"b"}}
{"return": {}}
{"execute":"nbd-server-add", "arguments":{"device":"nosuch"}}
{"error": {"class": "GenericError", "desc": "Cannot find device=nosuch nor node_name=nosuch"}}
{"execute":"nbd-server-add", "arguments":{"device":"n"}}
{"error": {"class": "GenericError", "desc": "NBD server already has export named 'n'"}}
{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b2"}}
{"error": {"class": "GenericError", "desc": "Enabled bitmap 'b2' incompatible with readonly export"}}
{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "bitmap":"b3"}}
{"error": {"class": "GenericError", "desc": "Bitmap 'b3' is not found"}}
{"execute":"nbd-server-add", "arguments":{"device":"n", "name":"n2", "writable":true, "description":"some text", "bitmap":"b2"}}
{"return": {}}
exports available: 2
 export: 'n'
  size:  4194304
  flags: 0x58f ( readonly flush fua df multi cache )
  min block: 1
  opt block: 4096
  max block: 33554432
  available meta contexts: 2
   base:allocation
   qemu:dirty-bitmap:b
 export: 'n2'
  description: some text
  size:  4194304
  flags: 0xced ( flush fua trim zeroes df cache fast-zero )
  min block: 1
  opt block: 4096
  max block: 33554432
  available meta contexts: 2
   base:allocation
   qemu:dirty-bitmap:b2

=== Contrast normal status to large granularity dirty-bitmap ===

read 512/512 bytes at offset 512
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 524288/524288 bytes at offset 524288
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
[{ "start": 0, "length": 4096, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 4096, "length": 1044480, "depth": 0, "zero": true, "data": false, "offset": OFFSET},
{ "start": 1048576, "length": 3145728, "depth": 0, "zero": false, "data": true, "offset": OFFSET}]
[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false},
{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]

=== Contrast to small granularity dirty-bitmap ===

[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false},
{ "start": 1024, "length": 2096128, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]

=== End qemu NBD server ===

{"execute":"nbd-server-remove", "arguments":{"name":"n"}}
{"return": {}}
{"execute":"nbd-server-remove", "arguments":{"name":"n2"}}
{"return": {}}
{"execute":"nbd-server-remove", "arguments":{"name":"n2"}}
{"error": {"class": "GenericError", "desc": "Export 'n2' is not found"}}
{"execute":"nbd-server-stop"}
{"return": {}}
{"execute":"nbd-server-stop"}
{"error": {"class": "GenericError", "desc": "NBD server not running"}}
{"execute":"quit"}
{"return": {}}
{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}

=== Use qemu-nbd as server ===

[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false},
{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]
[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false},
{ "start": 1024, "length": 11321, "depth": 0, "zero": false, "data": true, "offset": OFFSET}]
[{ "start": 12345, "length": 2084807, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]
*** done