On Thu, Aug 11, 2011 at 4:27 PM, Paolo Bonzini wrote:
> On 08/11/2011 05:12 PM, Kevin Wolf wrote:
>>>
>>> > Another possibility is always completing DMA in a bottom half. This
>>> > ensures that the callback can access the AIOCB, but it exposes an
>>> > implementation detail to the caller, so
On 08/11/2011 05:12 PM, Kevin Wolf wrote:
> Another possibility is always completing DMA in a bottom half. This
> ensures that the callback can access the AIOCB, but it exposes an
> implementation detail to the caller, so I don't like it.
At least in the block layer, AIO callbacks may never
Am 11.08.2011 17:05, schrieb Paolo Bonzini:
> On 08/11/2011 04:37 PM, Kevin Wolf wrote:
>>> Right, I would rather update BlockDriverCompletionFunc to pass the AIOCB
>>> as a third parameter, and store the residual bytes in the DMAAIOCB (with
>>> a getter that the completion function can use).
>>
On 08/11/2011 04:37 PM, Kevin Wolf wrote:
> Right, I would rather update BlockDriverCompletionFunc to pass the AIOCB
> as a third parameter, and store the residual bytes in the DMAAIOCB (with
> a getter that the completion function can use).
Isn't the DMAAIOCB already passed as opaque to the
Am 11.08.2011 16:24, schrieb Paolo Bonzini:
> On 08/11/2011 03:29 PM, Stefan Hajnoczi wrote:
What do you think about passing the residual bytes for short transfers?
Should I look into updating BlockDriverCompletionFunc, or is the
approach
of patch 2 okay? If I have a
On 08/11/2011 03:29 PM, Stefan Hajnoczi wrote:
>
> What do you think about passing the residual bytes for short transfers?
>Should I look into updating BlockDriverCompletionFunc, or is the approach
> of patch 2 okay? If I have an excuse to learn more about Coccinelle, that
> can be fun.:)
On Thu, Aug 11, 2011 at 1:10 PM, Paolo Bonzini wrote:
> On 08/11/2011 09:58 AM, Stefan Hajnoczi wrote:
>>
>> On Thu, Aug 04, 2011 at 07:14:43PM +0200, Paolo Bonzini wrote:
>>>
>>> These helpers do a full transfer from an in-memory buffer to
>>> target memory, with full support for MMIO areas. It
On 08/11/2011 09:58 AM, Stefan Hajnoczi wrote:
On Thu, Aug 04, 2011 at 07:14:43PM +0200, Paolo Bonzini wrote:
These helpers do a full transfer from an in-memory buffer to
target memory, with full support for MMIO areas. It will be used to store
the reply of an emulated command into a QEMUSGList
On Thu, Aug 04, 2011 at 07:14:43PM +0200, Paolo Bonzini wrote:
> These helpers do a full transfer from an in-memory buffer to
> target memory, with full support for MMIO areas. It will be used to store
> the reply of an emulated command into a QEMUSGList provided by the
> adapter.
>
> Signed-off-
These helpers do a full transfer from an in-memory buffer to
target memory, with full support for MMIO areas. It will be used to store
the reply of an emulated command into a QEMUSGList provided by the
adapter.
Signed-off-by: Paolo Bonzini
---
cutils.c |8 +++---
dma-helpers.c | 63 +
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