Home
last modified time | relevance | path

Searched full:zeroes (Results 1 – 25 of 632) sorted by relevance

12345678910>>...26

/openbmc/qemu/tests/qemu-iotests/
H A D186.out57 Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device ide-hd,drive=null
60 null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
65 Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device ide-hd,drive=null,id=qdev_id
68 null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
73 Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device scsi-hd,drive=null
76 null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
81 Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device scsi-hd,drive=null,id=qdev_…
84 null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
89 Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device virtio-blk-pci,drive=null
92 null: json:{"read-zeroes": true, "driver": "null-co"} (null-co)
[all …]
H A D18692 check_info_block -blockdev driver=null-co,read-zeroes=on,node-name=null -device $dev,drive=null
93 …check_info_block -blockdev driver=null-co,read-zeroes=on,node-name=null -device $dev,drive=null,id…
103 …check_info_block -drive if=none,driver=null-co,read-zeroes=on,node-name=null -device $dev,drive=nu…
111 …check_info_block -drive if=none,driver=null-co,read-zeroes=on,node-name=null -device $dev,drive=no…
112 …check_info_block -drive if=none,driver=null-co,read-zeroes=on,node-name=null -device $dev,drive=no…
131 check_info_block -drive if=floppy,driver=null-co,read-zeroes=on
133 check_info_block -drive if=ide,driver=null-co,read-zeroes=on
135 check_info_block -drive if=ide,driver=null-co,read-zeroes=on,media=cdrom
137 check_info_block -drive if=virtio,driver=null-co,read-zeroes=on
139 check_info_block -drive if=pflash,driver=null-co,read-zeroes=on,size=1M
H A D16156 # First test: reopen $TEST.IMG changing the detect-zeroes option on
69 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
75 # reopen $TEST.IMG changing the detect-zeroes option on its new
97 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
103 # $TEST.IMG changing the detect-zeroes option on its new backing file
130 'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
H A D3127 # regions that are known to read as zeroes (BDRV_BLOCK_ZERO). The idea
8 # is that drive-mirror will try the efficient representation of zeroes
9 # in the destination image instead of writing actual zeroes.
79 # zeroes in all cases, but with different ways to represent them
80 # (unallocated clusters, zero clusters, data clusters with zeroes)
99 # offset 0x110000, length 0x10000 -> zeroes
106 # Everything reads as zeroes, no effect on the end result.
127 # Now it should read back as zeroes
H A D033.out4 === Test aligned and misaligned write zeroes operations ===
22 == rewriting zeroes ==
32 == rewriting unaligned zeroes ==
63 == rewriting zeroes ==
73 == rewriting unaligned zeroes ==
104 == rewriting zeroes ==
114 == rewriting unaligned zeroes ==
145 == rewriting zeroes ==
155 == rewriting unaligned zeroes ==
170 === Test misaligned write zeroes via truncate ===
H A D0334 # Test aligned and misaligned write zeroes operations.
68 echo "=== Test aligned and misaligned write zeroes operations ==="
85 echo "== rewriting zeroes =="
94 echo "== rewriting unaligned zeroes =="
114 echo "=== Test misaligned write zeroes via truncate ==="
H A D171.out55 write zeroes and check
62 write zeroes across image boundary
65 write zeroes at image boundary and check
147 write zeroes and check
154 write zeroes across image boundary
157 write zeroes at image boundary and check
243 write zeroes and check
250 write zeroes across image boundary
253 write zeroes at image boundary and check
H A D240.out2 {"execute": "blockdev-add", "arguments": {"driver": "null-co", "node-name": "hd0", "read-zeroes": t…
19 …d", "arguments": {"driver": "null-co", "node-name": "hd0", "read-only": true, "read-zeroes": true}}
36 …d", "arguments": {"driver": "null-co", "node-name": "hd0", "read-only": true, "read-zeroes": true}}
59 …d", "arguments": {"driver": "null-co", "node-name": "hd0", "read-only": true, "read-zeroes": true}}
H A D027.out16 == verify zeroes before sub-cluster pattern ==
20 == verify zeroes after sub-cluster pattern ==
H A D161.out12 'qemu-io none0 "reopen -o backing.detect-zeroes=on"' } }
26 'qemu-io none0 "reopen -o backing.detect-zeroes=on"' } }
48 'qemu-io none0 "reopen -o backing.detect-zeroes=on"' } }
/openbmc/qemu/tests/qemu-iotests/tests/
H A Dwrite-zeroes-unmap80 echo "=== discard=off - write zeroes unmap ==="
90 echo "=== detect-zeroes=on - write actual zeros ==="
95 | $QEMU -monitor stdio -drive if=none,file=$TEST_IMG,format=$IMGFMT,detect-zeroes=on \
100 echo "=== detect-zeroes=on,discard=on - write actual zeros ==="
105 … | $QEMU -monitor stdio -drive if=none,file=$TEST_IMG,format=$IMGFMT,detect-zeroes=on,discard=on \
110 echo "=== discard=on - write zeroes ==="
120 echo "=== discard=on - write zeroes unmap ==="
H A Dwrite-zeroes-unmap.out1 QA output created by write-zeroes-unmap
33 === discard=off - write zeroes unmap ===
43 === detect-zeroes=on - write actual zeros ===
53 === detect-zeroes=on,discard=on - write actual zeros ===
63 === discard=on - write zeroes ===
73 === discard=on - write zeroes unmap ===
H A Dimage-fleecing47 zeroes = [('0', '0x00f8000', '32k'), # Left-end of partial-left (1M-32K) variable
186 for p in patterns + zeroes:
193 if bitmap and p in zeroes:
227 for p in patterns + zeroes:
239 if bitmap and p in zeroes:
/openbmc/linux/arch/powerpc/crypto/
H A Dcrc32-vpmsum_core.S56 #define zeroes v29 macro
100 vxor zeroes,zeroes,zeroes
103 vsldoi mask_32bit,zeroes,v0,4
104 vsldoi mask_64bit,zeroes,v0,8
110 vsldoi v8,zeroes,v8,8 /* shift into bottom 32 bits */
112 vsldoi v8,v8,zeroes,4 /* shift into top 32 bits */
363 vsldoi v0,v0,zeroes,4
364 vsldoi v1,v1,zeroes,4
365 vsldoi v2,v2,zeroes,4
366 vsldoi v3,v3,zeroes,4
[all …]
/openbmc/qemu/tests/qtest/
H A Dcdrom-test.c213 "-drive driver=null-co,read-zeroes=on,if=none,id=d1 " in add_s390x_tests()
219 "-drive driver=null-co,read-zeroes=on,if=none,id=d1 " in add_s390x_tests()
225 "-drive driver=null-co,read-zeroes=on,if=none,id=d1 " in add_s390x_tests()
227 "-drive driver=null-co,read-zeroes=on,if=none,id=d2 " in add_s390x_tests()
229 "-drive driver=null-co,read-zeroes=on,if=none,id=d3 " in add_s390x_tests()
231 "-drive driver=null-co,read-zeroes=on,if=none,id=d4 " in add_s390x_tests()
233 "-drive driver=null-co,read-zeroes=on,if=none,id=d5 " in add_s390x_tests()
235 "-drive driver=null-co,read-zeroes=on,if=none,id=d6 " in add_s390x_tests()
237 "-drive driver=null-co,read-zeroes=on,if=none,id=d7 " in add_s390x_tests()
244 "-drive driver=null-co,read-zeroes=on,if=none,id=d1 " in add_s390x_tests()
H A Ddrive_del-test.c79 " 'read-zeroes': true" in blockdev_add_with_media()
103 "file.read-zeroes=on,format=raw"); in drive_add_with_media()
238 "file.read-zeroes=on,format=raw" in test_drive_del_device_del()
274 "file.read-zeroes=on,format=raw" in test_cli_device_del()
299 "file.read-zeroes=on,format=raw " in test_cli_device_del_q35()
348 "file.read-zeroes=on,format=raw", machine_addition); in test_device_add_and_del()
390 "file.read-zeroes=on,format=raw"); in test_device_add_and_del_q35()
/openbmc/linux/include/uapi/linux/
H A Dvirtio_blk.h42 #define VIRTIO_BLK_F_WRITE_ZEROES 14 /* WRITE ZEROES is supported */
110 * The maximum number of write zeroes sectors (in 512-byte sectors) in
115 * The maximum number of segments in a write zeroes
182 /* Write zeroes command */
294 /* Unmap this range (only valid for write zeroes command) */
297 /* Discard/write zeroes range for each request. */
299 /* discard/write zeroes start sector */
301 /* number of discard/write zeroes sectors */
/openbmc/qemu/include/standard-headers/linux/
H A Dvirtio_blk.h42 #define VIRTIO_BLK_F_WRITE_ZEROES 14 /* WRITE ZEROES is supported */
108 * The maximum number of write zeroes sectors (in 512-byte sectors) in
113 * The maximum number of segments in a write zeroes
180 /* Write zeroes command */
292 /* Unmap this range (only valid for write zeroes command) */
295 /* Discard/write zeroes range for each request. */
297 /* discard/write zeroes start sector */
299 /* number of discard/write zeroes sectors */
/openbmc/u-boot/fs/ubifs/
H A Dubifs-media.h414 * @padding: reserved for future, zeroes
463 * @padding1: reserved for future, zeroes
467 * @padding2: reserved for future, zeroes
509 * @padding1: reserved for future, zeroes
512 * @padding2: reserved for future, zeroes
539 * @padding: reserved for future, zeroes
558 * @padding: reserved for future, zeroes
578 * @padding: reserved for future, zeroes
588 * @padding: reserved for future, zeroes
605 * @padding1: reserved for future, zeroes
[all …]
/openbmc/qemu/docs/interop/
H A Dqed_spec.txt92 * 1 - zero. The data cluster contents are all zeroes and no cluster is allocated.
97 …zeroes are produced. The backing file may be smaller than the image file and reads of unallocated…
99 …. The new data cluster is populated with data from the backing file (or zeroes if no backing file…
104 Reads to a zero data cluster produce zeroes. Note that the difference between an unallocated and a…
106 …ew data cluster to be allocated. The new data cluster is populated with zeroes and the data being…
/openbmc/linux/fs/ubifs/
H A Dubifs-media.h451 * @padding: reserved for future, zeroes
500 * @padding1: reserved for future, zeroes
504 * @padding2: reserved for future, zeroes
546 * @padding1: reserved for future, zeroes
590 * @padding: reserved for future, zeroes
610 * @padding: reserved for future, zeroes
620 * @padding: reserved for future, zeroes
637 * @padding1: reserved for future, zeroes
641 * @padding2: reserved for future, zeroes
720 * @padding: reserved for future, zeroes
[all …]
/openbmc/qemu/block/
H A Dblklogwrites.c387 * Write the log entry. Note that if this is a "write zeroes" operation, in blk_log_writes_co_do_log()
394 /* Logging for the "write zeroes" operation */ in blk_log_writes_co_do_log()
412 void *zeroes; in blk_log_writes_co_do_log() local
440 zeroes = g_malloc0(s->sectorsize - sizeof(super)); in blk_log_writes_co_do_log()
444 qemu_iovec_add(&qiov, zeroes, s->sectorsize - sizeof(super)); in blk_log_writes_co_do_log()
459 g_free(zeroes); in blk_log_writes_co_do_log()
497 void *zeroes = g_malloc0(s->sectorsize - sizeof(lr.entry)); in blk_log_writes_co_log() local
506 qemu_iovec_add(&log_qiov, zeroes, s->sectorsize - sizeof(lr.entry)); in blk_log_writes_co_log()
515 g_free(zeroes); in blk_log_writes_co_log()
/openbmc/linux/Documentation/admin-guide/device-mapper/
H A Dverity.rst25 the rest of the block is padded with zeroes.
29 padded with zeroes to the power of two.
91 Do not verify blocks that are expected to contain zeroes and always return
92 zeroes instead. This may be useful if the partition contains unused blocks
93 that are not guaranteed to contain zeroes.
/openbmc/qemu/hw/intc/
H A Dallwinner-a10-pic.c29 int irq = 0, fiq = 0, zeroes; in aw_a10_pic_update() local
38 zeroes = ctz32(s->irq_pending[i] & ~s->mask[i]); in aw_a10_pic_update()
39 if (zeroes != 32) { in aw_a10_pic_update()
40 s->vector = (i * 32 + zeroes) * 4; in aw_a10_pic_update()
/openbmc/u-boot/drivers/mtd/ubi/
H A Dubi-media.h115 * @padding1: reserved for future, zeroes
120 * @padding2: reserved for future, zeroes
168 * @padding1: reserved for future, zeroes
174 * @padding2: reserved for future, zeroes
176 * @padding3: reserved for future, zeroes
325 * @padding: reserved, zeroes
350 * Empty records contain all zeroes and the CRC checksum of those zeroes.

12345678910>>...26