Re: [PATCH v11 0/8] PCI: Linux kernel SR-IOV support

[Yu Zhao]

Hi Matthew,

Can you please take a look at this new version? I'd like to make sure
that all concerns are addressed and I didn't miss something :-)

Thanks,
Yu

On Wed, Mar 11, 2009 at 03:25:41PM +0800, Yu Zhao wrote:
> Greetings,
> 
> Following patches are intended to support SR-IOV capability in the
> Linux kernel. With these patches, people can turn a PCI device with
> the capability into multiple ones from software perspective, which
> will benefit KVM and achieve other purposes such as QoS, security,
> and etc.
> 
> SR-IOV specification can be found at:
>   http://www.pcisig.com/members/downloads/specifications/iov/sr-iov1.0_11Sep07.pdf
> (it requires membership.)
> 
> Devices that support SR-IOV are available from following vendors:
>   http://download.intel.com/design/network/ProdBrf/320025.pdf
>   http://www.myri.com/vlsi/Lanai_Z8ES_Datasheet.pdf
>   http://www.neterion.com/products/pdfs/X3100ProductBrief.pdf
> 
> The patches to enable the SR-IOV capability of Intel 82576 NIC are
> available at (a.k.a Physical Function driver):
>   http://patchwork.kernel.org/patch/8063/
>   http://patchwork.kernel.org/patch/8064/
>   http://patchwork.kernel.org/patch/8065/
>   http://patchwork.kernel.org/patch/8066/
> And the driver for Intel 82576 Virtual Function are available at:
>   http://patchwork.kernel.org/patch/11029/
>   http://patchwork.kernel.org/patch/11028/
> 
> 
> Major changes from v10 to v11:
>   1, use pci_setup_device() to setup Virtual Function (Matthew Wilcox)
>   2, various coding style fixes (Matthew Wilcox)
>   3, wording and grammar fixes (Randy Dunlap)
> 
>   v9 -> v10:
>   1, minor fix in pci_restore_iov_state().
>   2, respin against the latest tree.
> 
>   v8 -> v9:
>   1, put a might_sleep() into SR-IOV API which sleeps (Andi Kleen)
>   2, block user config accesses before clearing VF Enable bit (Matthew Wilcox)
> 
> 
> Yu Zhao (8):
>   PCI: initialize and release SR-IOV capability
>   PCI: restore saved SR-IOV state
>   PCI: reserve bus range for SR-IOV device
>   PCI: centralize device setup code into pci_setup_device()
>   PCI: add SR-IOV API for Physical Function driver
>   PCI: handle SR-IOV Virtual Function Migration
>   PCI: document SR-IOV sysfs entries
>   PCI: manual for SR-IOV user and driver developer
> 
>  Documentation/ABI/testing/sysfs-bus-pci |   27 ++
>  Documentation/DocBook/kernel-api.tmpl   |    1 +
>  Documentation/PCI/pci-iov-howto.txt     |   99 +++++
>  drivers/pci/Kconfig                     |   10 +
>  drivers/pci/Makefile                    |    2 +
>  drivers/pci/iov.c                       |  677 +++++++++++++++++++++++++++++++
>  drivers/pci/pci.c                       |    8 +
>  drivers/pci/pci.h                       |   53 +++
>  drivers/pci/probe.c                     |   86 +++--
>  include/linux/pci.h                     |   32 ++
>  include/linux/pci_regs.h                |   33 ++
>  11 files changed, 989 insertions(+), 39 deletions(-)
>  create mode 100644 Documentation/PCI/pci-iov-howto.txt
>  create mode 100644 drivers/pci/iov.c
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