Re: [PATCH v2 00/13] IOMMU Groups + VFIO

Don Dutile
2012-05-24T21:56:00Z

On 05/22/2012 01:04 AM, Alex Williamson wrote:
> Version 2 incorporating acks and feedback from v1. The PCI DMA quirk
> and ACS check are reworked, sysfs iommu groups ABI Documentation
> added as well as numerous other fixes, including patches from Alexey
> Kardashevskiy towards supporting POWER usage of VFIO and IOMMU groups.
>
> This series can be found here on top of 3.4:
>
> git://github.com/awilliam/linux-vfio.git iommu-group-vfio-20120521
>
> The Qemu tree has also been updated to Qemu 1.1 and can be found here:
>
> git://github.com/awilliam/qemu-vfio.git iommu-group-vfio
>
> I'd really like to make a push to get this in for 3.5, so let's talk
> about how to do that across iommu, pci, and new driver. Joerg, are
> you sufficiently happy with the IOMMU group concept and code? We'll
> also need David Woodhouse buyin on the intel-iommu changes in patches
> 3& 6. Who needs to approve VFIO as a new driver, GregKH? Bjorn,
> I'd be happy to send the PCI changes as a series for you, but I
> wonder if it makes sense to collect acks for them if you approve and
> bundle them in with the associated code that needs them so you're
> not left with unused code. Let me know which you prefer. If there
> are better ways to do it, please let me know. Thanks,
>
> Alex
>
> ---
ack to 1,2,4,6,8,10 & 11.
provided some minor feedback on 3,9,&12.
have to do final review of the big stuff, 7 & 13.
>
> Alex Williamson (13):
> vfio: Add PCI device driver
> pci: Misc pci_reg additions
> pci: Create common pcibios_err_to_errno
> pci: export pci_user functions for use by other drivers
> vfio: x86 IOMMU implementation
> vfio: Add documentation
> vfio: VFIO core
> iommu: Make use of DMA quirking and ACS enabled check for groups
> pci: Add ACS validation utility
> pci: Add PCI DMA source ID quirk
> iommu: IOMMU groups for VT-d and AMD-Vi
> iommu: IOMMU Groups
> driver core: Add iommu_group tracking to struct device
>
>
> .../ABI/testing/sysfs-kernel-iommu_groups | 14
> Documentation/ioctl/ioctl-number.txt | 1
> Documentation/vfio.txt | 315 ++++
> MAINTAINERS | 8
> drivers/Kconfig | 2
> drivers/Makefile | 1
> drivers/iommu/amd_iommu.c | 67 +
> drivers/iommu/intel-iommu.c | 87 +
> drivers/iommu/iommu.c | 578 +++++++-
> drivers/pci/access.c | 6
> drivers/pci/pci.c | 76 +
> drivers/pci/pci.h | 7
> drivers/pci/quirks.c | 69 +
> drivers/vfio/Kconfig | 16
> drivers/vfio/Makefile | 3
> drivers/vfio/pci/Kconfig | 8
> drivers/vfio/pci/Makefile | 4
> drivers/vfio/pci/vfio_pci.c | 557 +++++++
> drivers/vfio/pci/vfio_pci_config.c | 1522 ++++++++++++++++++++
> drivers/vfio/pci/vfio_pci_intrs.c | 724 ++++++++++
> drivers/vfio/pci/vfio_pci_private.h | 91 +
> drivers/vfio/pci/vfio_pci_rdwr.c | 269 ++++
> drivers/vfio/vfio.c | 1413 +++++++++++++++++++
> drivers/vfio/vfio_iommu_x86.c | 743 ++++++++++
> drivers/xen/xen-pciback/conf_space.c | 6
> include/linux/device.h | 2
> include/linux/iommu.h | 104 +
> include/linux/pci.h | 49 +
> include/linux/pci_regs.h | 112 +
> include/linux/vfio.h | 444 ++++++
> 30 files changed, 7182 insertions(+), 116 deletions(-)
> create mode 100644 Documentation/ABI/testing/sysfs-kernel-iommu_groups
> create mode 100644 Documentation/vfio.txt
> create mode 100644 drivers/vfio/Kconfig
> create mode 100644 drivers/vfio/Makefile
> create mode 100644 drivers/vfio/pci/Kconfig
> create mode 100644 drivers/vfio/pci/Makefile
> create mode 100644 drivers/vfio/pci/vfio_pci.c
> create mode 100644 drivers/vfio/pci/vfio_pci_config.c
> create mode 100644 drivers/vfio/pci/vfio_pci_intrs.c
> create mode 100644 drivers/vfio/pci/vfio_pci_private.h
> create mode 100644 drivers/vfio/pci/vfio_pci_rdwr.c
> create mode 100644 drivers/vfio/vfio.c
> create mode 100644 drivers/vfio/vfio_iommu_x86.c
> create mode 100644 include/linux/vfio.h