Re: [Qemu-devel] [PATCH v3 00/19] qtest/ahci: add dma test

[Stefan Hajnoczi <stefanha@gmail.com>]

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On Thu, Feb 05, 2015 at 12:41:11PM -0500, John Snow wrote:
> Add a simple DMA r/w test to ahci-test.
> 
> Oh, and for the first 18 patches, refactor everything into helpers so
> that each ahci_test isn't a thousand lines long.
> 
> This patch depends upon the "ahci test preliminary refactoring" series
> upstream, which shuffled a lot of libqos and malloc facilities to
> support this series.
> 
> This patchset is a necessary step in checking in AHCI/DMA migration
> tests that I will later use as proof as suitability of enabling the
> ICH9 and AHCI migration flags.
> 
> V3:
>  (04) Changed "px" to "port" and "cx" to "slot" In this and all other patches.
>       Kept R-Bys in other patches as this is a non-functional change.
>  (10) Modified aux to be an array of four bytes, and added a note
>       explaining that they are for NCQ and not currently used in libqos.
>  (12) Minor formatting and updating aux initialization. Kept R-B.
> 
> V2:
>  (03) Added cpu_to_le16 into intermediary code.
>  (04) Fixed assignment to be or-equals.
>       ahci_set_command_header no longer modifies its argument.
>  (09) Fixed assignment to be or-equals in the helper refactor.
>  (10) New patch. Writes an FIS to guest memory, handling endianness.
>  (11) Remove the property table sentinel
>       update find_command to use the array size instead.
>  (12) Remove cpu_to_le16 from ahci_command_commit,
>       leave endianness to ahci_write_fis.
>  (14) Remove cpu_to_le16 from ahci_set_sizes,
>       leave endianness to ahci_write_fis.
>  (19) qmemset the buffer to zeroes between IO calls,
>       just to make sure.
>  (--) Removed the ahci_macro_boot function patch
>       (...for now...)
>  (--) Retested entire stack of patches on F20/PPC.
> 
> ~John
> 
> John Snow (19):
>   libqos/ahci: Add ahci_port_select helper
>   libqos/ahci: Add ahci_port_clear helper
>   qtest/ahci: rename 'Command' to 'CommandHeader'
>   libqos/ahci: Add command header helpers
>   libqos/ahci: Add ahci_port_check_error helper
>   libqos/ahci: Add ahci_port_check_interrupts helper
>   libqos/ahci: Add port_check_nonbusy helper
>   libqos/ahci: Add cmd response sanity check helpers
>   qtest/ahci: Demagic ahci tests.
>   qtest/ahci: add ahci_write_fis
>   libqos/ahci: Add ide cmd properties
>   libqos/ahci: add ahci command functions
>   libqos/ahci: add ahci command verify
>   libqos/ahci: add ahci command size setters
>   libqos/ahci: Add ahci_guest_io
>   libqos/ahci: add ahci_io
>   libqos/ahci: Add ahci_clean_mem
>   qtest/ahci: Assert sector size in identify test
>   qtest/ahci: Adding simple dma read-write test
> 
>  tests/ahci-test.c     | 230 ++++++++------------
>  tests/libqos/ahci.c   | 569 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  tests/libqos/ahci.h   | 168 ++++++++++++---
>  tests/libqos/malloc.c |   5 +
>  tests/libqos/malloc.h |   1 +
>  5 files changed, 804 insertions(+), 169 deletions(-)

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

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