linux-stable.git/include/linux/intel-iommu.h, branch v4.18.7

iommu/vt-d: Fix dev iotlb pfsid use

2018-09-09T08:32:39+00:00

commit 1c48db44924298ad0cb5a6386b88017539be8822 upstream.

PFSID should be used in the invalidation descriptor for flushing
device IOTLBs on SRIOV VFs.

Signed-off-by: Jacob Pan 
Cc: stable@vger.kernel.org
Cc: "Ashok Raj" 
Cc: "Lu Baolu" 
Signed-off-by: Joerg Roedel 
Signed-off-by: Greg Kroah-Hartman

iommu/vt-d: Add definitions for PFSID

2018-09-09T08:32:39+00:00

commit 0f725561e168485eff7277d683405c05b192f537 upstream.

When SRIOV VF device IOTLB is invalidated, we need to provide
the PF source ID such that IOMMU hardware can gauge the depth
of invalidation queue which is shared among VFs. This is needed
when device invalidation throttle (DIT) capability is supported.

This patch adds bit definitions for checking and tracking PFSID.

Signed-off-by: Jacob Pan 
Cc: stable@vger.kernel.org
Cc: "Ashok Raj" 
Cc: "Lu Baolu" 
Signed-off-by: Joerg Roedel 
Signed-off-by: Greg Kroah-Hartman

Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices"

2018-07-20T11:55:56+00:00

This reverts commit ab96746aaa344fb720a198245a837e266fad3b62.

The commit ab96746aaa34 ("iommu/vt-d: Clean up pasid quirk for
pre-production devices") triggers ECS mode on some platforms
which have broken ECS support. As the result, graphic device
will be inoperable on boot.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107017

Cc: Ashok Raj 
Signed-off-by: Lu Baolu 
Signed-off-by: Joerg Roedel

iommu/vt-d: Clean up pasid quirk for pre-production devices

2018-05-15T14:34:52+00:00

The pasid28 quirk is needed only for some pre-production devices.
Remove it to make the code concise.

Signed-off-by: Ashok Raj 
Signed-off-by: Lu Baolu 
Signed-off-by: Joerg Roedel

iommu/vt-d: Clean/document fault status flags

2018-02-13T16:40:54+00:00

So one could decode them without opening the specification.

Signed-off-by: Dmitry Safonov 
Signed-off-by: Joerg Roedel

iommu/vt-d: Add a check for 5-level paging support

2018-01-17T14:02:50+00:00

Add a check to verify IOMMU 5-level paging support. If the CPU supports
supports 5-level paging but the IOMMU does not support it then disable
SVM by not allocating PASID tables.

Signed-off-by: Sohil Mehta 
Signed-off-by: Joerg Roedel

iommu/vt-d: Add a check for 1GB page support

2018-01-17T14:02:50+00:00

Add a check to verify IOMMU 1GB page support. If the CPU supports 1GB
pages but the IOMMU does not support it then disable SVM by not
allocating PASID tables.

Signed-off-by: Sohil Mehta 
Signed-off-by: Joerg Roedel

iommu/vt-d: Clear Page Request Overflow fault bit

2017-11-03T16:51:33+00:00

Currently Page Request Overflow bit in IOMMU Fault Status register
is not cleared. Not clearing this bit would mean that any  future
page-request is going to be automatically dropped by IOMMU.

Suggested-by: Ashok Raj 
Signed-off-by: Lu Baolu 
Signed-off-by: Alex Williamson

iommu/vt-d: Use lo_hi_readq() / lo_hi_writeq()

2017-03-22T14:42:17+00:00

There is already helper functions to do 64-bit I/O on 32-bit machines or
buses, thus we don't need to reinvent the wheel.

Signed-off-by: Andy Shevchenko 
Signed-off-by: Joerg Roedel

Merge branches 'iommu/fixes', 'arm/exynos', 'arm/renesas', 'arm/smmu', 'arm/mediatek', 'arm/core', 'x86/vt-d' and 'core' into next

2017-02-10T14:13:10+00:00