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| author |   Kyung Min Park <kyung.min.park@intel.com> | 2019-09-06 11:14:02 -0700 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2019-09-11 12:36:53 +0200 |
| commit | fd730007a06e9b11664e3816fcebd3faa91761ea (patch) | |
| tree | 4496c6ec348550621c259cac89c3b0492dbdf80d /include/linux/intel-iommu.h | |
| parent | iommu/vt-d: Use bounce buffer for untrusted devices (diff) | |
| download | linux-dev-fd730007a06e9b11664e3816fcebd3faa91761ea.tar.xz linux-dev-fd730007a06e9b11664e3816fcebd3faa91761ea.zip | |
iommu/vt-d: Add Scalable Mode fault information
Intel VT-d specification revision 3 added support for Scalable Mode
Translation for DMA remapping. Add the Scalable Mode fault reasons to
show detailed fault reasons when the translation fault happens.
Link: https://software.intel.com/sites/default/files/managed/c5/15/vt-directed-io-spec.pdf
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Signed-off-by: Kyung Min Park <kyung.min.park@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to '')
| -rw-r--r-- | include/linux/intel-iommu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index f2ae8a006ff8..10e79a49af9d 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -272,6 +272,8 @@ #define dma_frcd_type(d) ((d >> 30) & 1) #define dma_frcd_fault_reason(c) (c & 0xff) #define dma_frcd_source_id(c) (c & 0xffff) +#define dma_frcd_pasid_value(c) (((c) >> 8) & 0xfffff) +#define dma_frcd_pasid_present(c) (((c) >> 31) & 1) /* low 64 bit */ #define dma_frcd_page_addr(d) (d & (((u64)-1) << PAGE_SHIFT)) |