Re: [Qemu-devel] [PATCH v4 0/8] AHCI test suite framework

[John Snow <jsnow@redhat.com>]

On 08/21/2014 01:44 PM, John Snow wrote:
> This submission does not re-send earlier patches in the series which
> have already been merged into QEMU, which were primarily staging
> fixes and small tweaks to support this smaller set of patches.
>
> 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 V3+, there is one assertion for incorrect behavior that is expected to
> be fixed in a future patch set, where the Descriptor Processed interrupt
> is not set or posted within the identify test.
>
> V4:
>      - Endianness fixes, primarily in ahci_test_identify, tested on ppc64
>      - Style issues (define and structure names)
>      - Reshuffled barsize changes into later, more relevant patches
>      - Some additional comments for clarification.
>
> V3:
>      - All tests complete successfully.
>      - Fixed the PCI capabilities ordering for AHCI.
>      - Corrected the boot-time values of the PxTFD and PxSIG registers
>      - Corrected PxTFD register being updated prior to PxCMD.FRE being set
>
> V2:
> "ide-test: add test for werror=stop"
>      - changed filename variable name
>      - altered the QMP event polling to avoid sleep
>      - debug_path file cleanup on exit.
> "ide: stop PIO transfer on errors"
>      - Modified logic to be unconditional.
> "ahci: construct PIO Setup FIS for PIO commands"
>      - Added in dma_memory_map success checks and error pathways.
> "libqtest: Correct small memory leak."
>      - Corrected raw usage of free()
> "ahci: Adding basic functionality qtest."
>      - Removed HBA type.
>      - Corrected cleanup order.
>      - Corrected raw usage of free()
>      - Removed needless conditional around g_free()
>      - Altered ahci_boot to return by value instead of parameter.
> "ahci: Add test_pci_spec to ahci-test."
>      - Removed all ifdef logic in favor of runtime tuning. (--pedantic)
>      - Removed all warnings, all infractions are now hard assertions.
>      - Replaced g_assert with g_assert_cmphex in many cases
> "ahci: add test_pci_enable to ahci-test."
>      - Removed MSI codepaths, as it was incomplete and unused.
> "ahci: Add test_hba_spec to ahci-test."
>      - Removed unneeded macros
>      - Added in an optional bar_size return parameter to qpci_iomap
> "ahci: Add test_identify case to ahci-test."
>      - Corrected raw usage of free()
>
> For convenience; https://github.com/jnsnow/qemu/tree/ahci-test-v4
>
> John Snow (8):
>    ahci: Adding basic functionality qtest.
>    ahci: MSI capability should be at 0x80, not 0x50.
>    ahci: Add test_pci_spec to ahci-test.
>    ahci: add test_pci_enable to ahci-test.
>    ahci: properly shadow the TFD register
>    ahci: Add test_hba_spec to ahci-test.
>    ahci: Add test_hba_enable to ahci-test.
>    ahci: Add test_identify case to ahci-test.
>
>   hw/ide/ahci.c      |   42 +-
>   hw/ide/ich.c       |    7 +-
>   tests/Makefile     |    2 +
>   tests/ahci-test.c  | 1561 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>   tests/libqos/pci.c |    6 +
>   5 files changed, 1603 insertions(+), 15 deletions(-)
>   create mode 100644 tests/ahci-test.c
>


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