From: Christoph Hellwig <hch@lst.de>
To: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API
Date: Mon, 9 Jul 2012 16:36:07 +0200 [thread overview]
Message-ID: <20120709143607.GB5226@lst.de> (raw)
In-Reply-To: <4FFA9C30.2070201@linux.vnet.ibm.com>
On Mon, Jul 09, 2012 at 04:54:08PM +0800, Wenchao Xia wrote:
> Hi, Paolo and folks,
> qemu have good capabilities to access different virtual disks, I want
> to expose its block layer API to let 3rd party program linked in, such
> as management stack or block tools, to access images data directly.
>
> Following is the objects:
> (1) API to write/read block device at offset.
> (2) Determine the image type,qcow2/qed/raw
> (3) Determine which blocks are allocated.
> (4) Determine backing file.
Sounds like you want a procedural interface for that. At least for (1)
I have patches I'll submit soon to add qemu img read/write commands.
next prev parent reply other threads:[~2012-07-09 14:36 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 8:54 [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API Wenchao Xia
2012-07-09 9:13 ` Paolo Bonzini
2012-07-10 5:04 ` Wenchao Xia
2012-07-10 7:17 ` Paolo Bonzini
2012-07-13 9:16 ` Stefan Hajnoczi
2012-07-13 9:51 ` Paolo Bonzini
2012-07-13 11:33 ` Paolo Bonzini
2012-07-13 15:03 ` Michael Tokarev
2012-07-13 15:17 ` Blue Swirl
2012-07-13 17:07 ` Stefan Weil
2012-07-13 22:55 ` Lluís Vilanova
2012-07-16 10:39 ` Stefan Hajnoczi
2012-07-23 11:55 ` Lluís Vilanova
2012-07-23 12:09 ` Paolo Bonzini
2012-07-24 9:33 ` Lluís Vilanova
2012-07-16 8:16 ` Wenchao Xia
2012-07-16 8:19 ` Paolo Bonzini
2012-07-18 8:51 ` Wenchao Xia
2012-07-18 9:03 ` Paolo Bonzini
2012-07-18 15:28 ` Kevin Wolf
2012-07-18 9:41 ` Stefan Hajnoczi
2012-07-18 10:42 ` Paolo Bonzini
2012-07-18 12:50 ` Stefan Hajnoczi
2012-07-18 13:51 ` Andreas Färber
2012-07-18 13:55 ` Kevin Wolf
2012-07-18 13:58 ` Daniel P. Berrange
2012-07-18 14:02 ` Paolo Bonzini
2012-07-18 14:12 ` Daniel P. Berrange
2012-07-18 15:23 ` Kevin Wolf
2012-07-18 15:35 ` Daniel P. Berrange
2012-07-19 11:37 ` Paolo Bonzini
2012-07-20 11:38 ` Daniel P. Berrange
2012-07-20 11:53 ` Paolo Bonzini
2012-07-23 18:15 ` Blue Swirl
2012-07-25 8:08 ` Wenchao Xia
2012-07-09 9:27 ` Daniel P. Berrange
2012-07-10 5:37 ` Wenchao Xia
2012-07-10 7:18 ` Paolo Bonzini
2012-07-13 9:12 ` Stefan Hajnoczi
2012-07-13 9:16 ` Daniel P. Berrange
2012-07-13 9:47 ` Stefan Hajnoczi
2012-07-16 7:48 ` Wenchao Xia
2012-07-09 14:36 ` Christoph Hellwig [this message]
2012-07-10 5:42 ` Wenchao Xia
2012-07-13 9:13 ` Stefan Hajnoczi
2012-07-13 9:27 ` Christoph Hellwig
2012-07-13 9:43 ` Stefan Hajnoczi
2012-07-13 10:42 ` Kevin Wolf
2012-07-13 10:55 ` Christoph Hellwig
2012-07-13 11:19 ` Kevin Wolf
2012-07-16 7:55 ` Wenchao Xia
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