Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 11/23] AMD IOMMU: enable event logging | Date | Wed, 17 Sep 2008 18:52:45 +0200 |
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The code to log IOMMU events is in place now. So enable event logging with this patch.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- arch/x86/kernel/amd_iommu_init.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 07709a9..5182132 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -254,6 +254,13 @@ void __init iommu_enable(struct amd_iommu *iommu) iommu_feature_enable(iommu, CONTROL_IOMMU_EN); } +/* Function to enable IOMMU event logging and event interrupts */ +void __init iommu_enable_event_logging(struct amd_iommu *iommu) +{ + iommu_feature_enable(iommu, CONTROL_EVT_LOG_EN); + iommu_feature_enable(iommu, CONTROL_EVT_INT_EN); +} + /* * mapping and unmapping functions for the IOMMU MMIO space. Each AMD IOMMU in * the system has one. @@ -959,6 +966,7 @@ static void __init enable_iommus(void) list_for_each_entry(iommu, &amd_iommu_list, list) { iommu_set_exclusion_range(iommu); iommu_init_msi(iommu); + iommu_enable_event_logging(iommu); iommu_enable(iommu); } } -- 1.5.6.4
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