qemu-io: better input validation for vector-based commands

Fix up a couple of issues with validating the input of the various
length arguments for the vectored I/O commands:

- do the alignment che

qemu-io: better input validation for vector-based commands

Fix up a couple of issues with validating the input of the various
length arguments for the vectored I/O commands:

- do the alignment check on each length instead the always 0 count argument
- use a long long varibale for the cvtnum return value so that we can check
wether it wasn't a number
- check for a too large argument instead of truncating it

Also refactor it into a common helper for all four calers and avoid parsing
the numbers twice.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>

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qemu-io: small cleanups for the aio code

Address a couple of review comments from Kevin.

Signed-off-by: Christoph Hellwig <hch@lst.de>

qemu-io: add aio read/write/flush commands

Add commands to exercise asynchronous reads/writes and to flush all
outstanding aio commands. Commands to exercise aio cancellations will
follow in a sepa

qemu-io: add aio read/write/flush commands

Add commands to exercise asynchronous reads/writes and to flush all
outstanding aio commands. Commands to exercise aio cancellations will
follow in a separate patch.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

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qemu-io: Fix spelling in help message.

excerciser -> exerciser

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Fix dump output in qemu-io.

The dump output was not nicely formatted for bytes
larger than 0x7f, because signed values expanded to
sizeof(int) bytes. So for example 0xab did not print
as "ab", but a

Fix dump output in qemu-io.

The dump output was not nicely formatted for bytes
larger than 0x7f, because signed values expanded to
sizeof(int) bytes. So for example 0xab did not print
as "ab", but as "ffffffab".

I also cleaned the function prototype, which avoids
new type casts and allows to remove an existing
type cast.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

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Workaround compiler warnings at -O1

Signed-off-by: Paul Brook <paul@codesourcery.com>

qemu-io: Optionally verify only part of read data

There are reasonable test cases where a read must span areas that are not
uniformly filled with one pattern but contains several parts. This makes -

qemu-io: Optionally verify only part of read data

There are reasonable test cases where a read must span areas that are not
uniformly filled with one pattern but contains several parts. This makes -P
useless for them currently.

Introducing additional options which determine the part of the read data that
should be verified with the given pattern allows to check such reads.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

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qemu-io: Verify read data by patterns (Kevin Wolf)

This patch adds a -P option to read and readv which allows to compare the read
data to a given pattern. This can be used to verify data written by

qemu-io: Verify read data by patterns (Kevin Wolf)

This patch adds a -P option to read and readv which allows to compare the read
data to a given pattern. This can be used to verify data written by write -P.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7182 c046a42c-6fe2-441c-8c8c-71466251a162

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qemu-io: Fix handling of bdrv_is_allocated() return value (Kevin Wolf)

bdrv_is_allocated() returns a boolean which indicates if the offset is
allocated, not 0 on success and everything else is an er

qemu-io: Fix handling of bdrv_is_allocated() return value (Kevin Wolf)

bdrv_is_allocated() returns a boolean which indicates if the offset is
allocated, not 0 on success and everything else is an error.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7181 c046a42c-6fe2-441c-8c8c-71466251a162

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a couple of qemu-io fixes (Christoph Hellwig)

Fix two stupid bugs that I forgot to push out:


- qiov->size already is in bytes, no need to shift it
- actually use the supplied patter in the write

a couple of qemu-io fixes (Christoph Hellwig)

Fix two stupid bugs that I forgot to push out:


- qiov->size already is in bytes, no need to shift it
- actually use the supplied patter in the writev command


Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7178 c046a42c-6fe2-441c-8c8c-71466251a162

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Add files not included in previous commit.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6995 c046a42c-6fe2-441c-8c8c-71466251a162