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55 Commits

Author SHA1 Message Date
Joerg Roedel
8736b2c331 iommu/amd: Implement notifiers for IOMMUv2 
Since pages are not pinned anymore we need notifications
when the VMM changes the page-tables. Use mmu_notifiers for
that.
Also use the task_exit notifier from the profiling subsystem
to shutdown all contexts related to this task.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2011-12-14 12:09:17 +01:00
Joerg Roedel
028eeacc41 iommu/amd: Implement IO page-fault handler 
Register the notifier for PPR faults and handle them as
necessary.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2011-12-12 15:34:50 +01:00
Joerg Roedel
2d5503b624 iommu/amd: Add routines to bind/unbind a pasid 
This patch adds routines to bind a specific process
address-space to a given PASID.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2011-12-12 15:34:42 +01:00
Joerg Roedel
ed96f228ba iommu/amd: Implement device aquisition code for IOMMUv2 
This patch adds the amd_iommu_init_device() and
amd_iommu_free_device() functions which make a device and
the IOMMU ready for IOMMUv2 usage.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2011-12-12 15:32:51 +01:00
Joerg Roedel
e3c495c74b iommu/amd: Add driver stub for AMD IOMMUv2 support 
Add a Kconfig option for the optional driver. Since it is
optional it can be compiled as a module and will only be
loaded when required by another driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2011-12-12 15:19:07 +01:00