Re: [Qemu-devel] [PATCH v2 00/30] AHCI test suite framework

[Stefan Hajnoczi]

On Mon, Aug 04, 2014 at 05:11:01PM -0400, John Snow wrote:
> This patch series introduces a number of small fixes and tweaks to
> help support an AHCI test suite that in the future I hope to expand
> to a fuller regression suite to help guide the development of the
> AHCI device support under, in particular, the Q35 machine type in QEMU.
> 
> Paolo Bonzini has contributed a number of cleanup and refactoring patches
> that support changes to the PIO setup FIS packet construction code, which
> is necessary for testing ths specification adherence of the IDENTIFY command,
> which issues its data exclusively via PIO mechanisms.
> 
> The ahci-test code being checked in represents a minimum of functionality
> needed in order to issue and receive commands from the AHCI HBA under the
> libqos / qtest environment.
> 
> In V2, as detailed below, these tests are not currently expected to pass.
> I will post a complementary patch outside of this set that highlights
> the exact set of tests that will not pass, which can help verify at least
> the portions of these tests that do work correctly.
> 
> Assertions that currently fail:
>     - Ordering of PCI capabilities as defined by either AHCI or Intel ICH9
>     - Boot-time values of the PxTFD register, which should not have valid
>       data until after a D2H FIS is received, but does in Qemu 2.1
>     - Boot-time values of the PxSIG register, which should have a specific
>       placeholder signature until the first D2H FIS is received, but is
>       currently blank.
>     - The "Descriptor Processed" interrupt is expected after the IDENTIFY
>       command exhausts the given PRDT, but is not seen.

Thanks, I have merged patches up to and including Patch 24 onto my block
tree:
https://github.com/stefanha/qemu/commits/block

This should make it easier to manage the next revision of the series
where we can focus on the qtest test cases.

Stefan

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