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fb5f50a43d
linux/drivers/iommu/intel
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Yanfei Xu fb5f50a43d iommu/vt-d: Fix to convert mm pfn to dma pfn 
For the case that VT-d page is smaller than mm page, converting dma pfn
should be handled in two cases which are for start pfn and for end pfn.
Currently the calculation of end dma pfn is incorrect and the result is
less than real page frame number which is causing the mapping of iova
always misses some page frames.

Rename the mm_to_dma_pfn() to mm_to_dma_pfn_start() and add a new helper
for converting end dma pfn named mm_to_dma_pfn_end().

Signed-off-by: Yanfei Xu <yanfei.xu@intel.com>
Link: https://lore.kernel.org/r/20230625082046.979742-1-yanfei.xu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2023-08-09 17:46:19 +02:00
..
cap_audit.c iommu/vt-d: Remove virtual command interface 2023-03-31 10:03:21 +02:00
cap_audit.h iommu/vt-d: Check FL and SL capability sanity in scalable mode 2021-10-18 12:31:48 +02:00
debugfs.c iommu/vt-d: Replace spin_lock_irqsave() with spin_lock() 2022-07-15 10:21:36 +02:00
dmar.c Merge branches 'iommu/fixes', 'arm/allwinner', 'arm/exynos', 'arm/mediatek', 'arm/omap', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'ppc/pamu', 'unisoc', 'x86/vt-d', 'x86/amd', 'core' and 'platform-remove_new' into next 2023-04-14 13:45:50 +02:00
iommu.c iommu/vt-d: Fix to convert mm pfn to dma pfn 2023-08-09 17:46:19 +02:00
iommu.h iommu/vt-d: Add set_dev_pasid callback for dma domain 2023-08-09 17:44:39 +02:00
irq_remapping.c x86,intel_iommu: Replace cmpxchg_double() 2023-06-05 09:36:38 +02:00
Kconfig IOMMU Updates for Linux 6.4 2023-04-30 13:00:38 -07:00
Makefile iommu/vt-d: Retrieve IOMMU perfmon capability information 2023-02-03 11:06:04 +01:00
pasid.c iommu/vt-d: Fix to flush cache of PASID directory table 2023-08-09 17:46:19 +02:00
pasid.h iommu: Generalize PASID 0 for normal DMA w/o PASID 2023-08-09 17:44:34 +02:00
perf.c iommu/vt-d: Move include/linux/intel-iommu.h under iommu 2022-07-15 10:21:31 +02:00
perf.h iommu/vt-d: Add common code for dmar latency performance monitors 2021-06-10 09:06:13 +02:00
perfmon.c iommu/vt-d: Fix an IOMMU perfmon warning when CPU hotplug 2023-03-31 10:06:16 +02:00
perfmon.h iommu/vt-d: Add IOMMU perfmon support 2023-02-03 11:06:06 +01:00
svm.c iommu/vt-d: Make prq draining code generic 2023-08-09 17:44:37 +02:00
trace.c iommu/vt-d: Move trace/events/intel_iommu.h under iommu 2022-07-15 10:21:28 +02:00
trace.h iommu/vt-d: Move include/linux/intel-iommu.h under iommu 2022-07-15 10:21:31 +02:00