Re: [Qemu-ppc] [PATCHv5 00/12] Cleanups to qtest PCI handling

[David Gibson]

On Mon, Oct 24, 2016 at 03:59:49PM +1100, David Gibson wrote:
> This series contains a number of cleanups to the libqos code for
> accessing PCI devices, and to tests which use it.
> 
> The general aim is to improve the consistency of semantics across
> functions, and reduce the amount of intimate knowledge of the libqos
> PCI layer needed by tests.
> 
> This should make it easier to write PCI tests which will be portable
> to different guest machines with different PCI host bridge
> arrangements.
> 
> This series is on top of my ppc-for-2.8 branch, since it contains
> patches enabling the virtio tests on ppc, which would otherwise
> conflict with the changes here.

Greg, Alexey, Michael,

Some reviews from outside RH would be really welcome.

> 
> Changes since v4:
>   * Fixed some remaining abstraction breaks in ahci-test
>   * Removed QPCI_BAR_INVALID, turned out not to really be useful
> 
> Changes since v3:
>   * Fixed another endian bug introduced in ide-test
> 
> Changes since v2:
>   * Fixed build bugs in virtio-9p-test, which I didn't find earlier
>     due to not having the right libraries installed
>   * Fixed an endian bug I accidentally introduced in ide-test
>   * Better handling of invalid BAR tokens
> 
> Changes since v1:
>   * Split out updates to tco-test into separate patch
>   * Split out updates to ide-test into separate patch
>   * Neater and more general handling of legacy PIO addresses
>   * Removed now-redundant fields from platform specific bus structures
>   * Introduced CONFIG_BASE() macro to virtio-pci to remove many
>     similar assignments
>   * Fixed handling of two guest testcasesin ivshmem
>   * Added 64-bit accessors
>   * Rebase on ppc-for-2.8 to avoid conflict with Laurent's series in
>     the same area
> 
> David Gibson (12):
>   libqos: Give qvirtio_config_read*() consistent semantics
>   libqos: Handle PCI IO de-multiplexing in common code
>   libqos: Move BAR assignment to common code
>   libqos: Better handling of PCI legacy IO
>   tests: Adjust tco-test to use qpci_legacy_iomap()
>   libqos: Add streaming accessors for PCI MMIO
>   libqos: Implement mmio accessors in terms of mem{read,write}
>   tests: Clean up IO handling in ide-test
>   libqos: Add 64-bit PCI IO accessors
>   tests: Use qpci_mem{read,write} in ivshmem-test
>   tests: Don't assume structure of PCI IO base in ahci-test
>   libqos: Change PCI accessors to take opaque BAR handle
> 
>  tests/ahci-test.c          |  13 +--
>  tests/e1000e-test.c        |   7 +-
>  tests/ide-test.c           | 177 +++++++++++++++++++++++++++--------------
>  tests/ivshmem-test.c       |  47 +++++++----
>  tests/libqos/ahci.c        |   4 +-
>  tests/libqos/ahci.h        |   7 +-
>  tests/libqos/pci-pc.c      | 187 ++++++++++---------------------------------
>  tests/libqos/pci-spapr.c   | 194 
> ++++++++++++---------------------------------
>  tests/libqos/pci.c         | 194 
> +++++++++++++++++++++++++++++++++++++--------
>  tests/libqos/pci.h         |  66 ++++++++++-----
>  tests/libqos/usb.c         |   6 +-
>  tests/libqos/usb.h         |   2 +-
>  tests/libqos/virtio-mmio.c |  16 ++--
>  tests/libqos/virtio-pci.c  | 122 ++++++++++++++--------------
>  tests/libqos/virtio-pci.h  |   2 +-
>  tests/rtl8139-test.c       |  10 +--
>  tests/tco-test.c           |  80 +++++++++----------
>  tests/usb-hcd-ehci-test.c  |   5 +-
>  tests/virtio-9p-test.c     |   8 +-
>  tests/virtio-blk-test.c    |  42 +++-------
>  tests/virtio-scsi-test.c   |   4 +-
>  21 files changed, 598 insertions(+), 595 deletions(-)
> 

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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