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authorKyung Min Park <kyung.min.park@intel.com>2019-09-06 21:14:02 +0300
committerJoerg Roedel <jroedel@suse.de>2019-09-11 13:36:53 +0300
commitfd730007a06e9b11664e3816fcebd3faa91761ea (patch)
tree4496c6ec348550621c259cac89c3b0492dbdf80d /include/linux/intel-iommu.h
parentcfb94a372f2d4ee226247447c863f8709863d170 (diff)
downloadlinux-fd730007a06e9b11664e3816fcebd3faa91761ea.tar.xz
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 'include/linux/intel-iommu.h')
-rw-r--r--include/linux/intel-iommu.h2
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))