Hi,
this patch-set implements support for ATS devices in the AMD IOMMU
driver. For that it uses the ATS capability implementation already
present in the core PCI code.
Jesse, patch 1/5 touches generic PCI code, can you please have a look at
it an ACK it if you think it is ok? The change basically move out the
declarations relevant for ATS into a header file under include/linux.
This header file will also be used later to put declarations for PRI
support there (which is also part of the ATS spec).
Any feedback appreciated.
Regards,
Joerg
Diffstat:
arch/x86/Kconfig | 1 +
arch/x86/include/asm/amd_iommu_types.h | 7 ++-
arch/x86/kernel/amd_iommu.c | 103 +++++++++++++++++++++++++++++--
arch/x86/kernel/amd_iommu_init.c | 4 +
drivers/pci/intel-iommu.c | 1 +
drivers/pci/iov.c | 1 +
drivers/pci/pci.h | 37 -----------
include/linux/pci-ats.h | 52 ++++++++++++++++
8 files changed, 161 insertions(+), 45 deletions(-)
Shortlog:
Joerg Roedel (5):
PCI: Move ATS declarations in seperate header file
x86/amd-iommu: Select PCI_IOV with AMD IOMMU driver
x86/amd-iommu: Flush device IOTLB if ATS is enabled
x86/amd-iommu: Add flag to indicate IOTLB support
x86/amd-iommu: Add ATS enable/disable code
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