v3:
- Small change to device specific ACS check to allow quirk to
support yes/no/pass type functionality. (no change to other
patches and no trickle down through IOMMU series)
Bjorn, what's needed to get these in? Thanks,
Alex
v2:
- Test that we're not given func 0 before doing lookup
- Fix duplicate ricoh quirk
- Rename pci_dma_source() to pci_get_dma_source() and make sure
we always take a reference for the returned pci_dev. Add comment
These last two changes trickle down through the IOMMU series, so
will generate a v2 there as well. Thanks,
Alex
v1:
These are the PCI related patches from the previously submitted
v2 IOMMU Groups + VFIO series. I've updated them with Don's
comments and split them off on their own so that we can hopefully
make some progress getting these in. Patches are against 20120529
linux-next tree.
Patches 1 & 2 provide DMA quirking and ACS checking which will be
used by IOMMU drivers supporting IOMMU groups. Patch 3 enables the
set of pci user config access functions to be called from other
modules, which will be used by VFIO-pci. Patch 4 enables a common
translation of pcibios errors into errno for returning to userspace,
also to be used by VFIO-pci. Patch 5 adds additional PCI register
definitions so we can more easily parse config space for devices in
VFIO-pci.
These patches, as well as IOMMU group support and VFIO can be
found in git here:
git://github.com/awilliam/linux-vfio.git (iommu-group-vfio-next-20120529)
Please consider these for 3.5, but I'll settle for any kind of next
branch. Thanks,
Alex
---
Alex Williamson (5):
pci: Misc pci_reg additions
pci: Create common pcibios_err_to_errno
pci: export pci_user functions for use by other drivers
pci: Add ACS validation utility
pci: Add PCI DMA source ID quirk
drivers/pci/access.c | 6 +-
drivers/pci/pci.c | 69 +++++++++++++++++++++
drivers/pci/pci.h | 7 --
drivers/pci/quirks.c | 84 +++++++++++++++++++++++++
drivers/xen/xen-pciback/conf_space.c | 6 +-
include/linux/pci.h | 49 ++++++++++++++-
include/linux/pci_regs.h | 113 ++++++++++++++++++++++++++++++----
7 files changed, 309 insertions(+), 25 deletions(-)
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