[PATCH 3/5] vtd: Print originating iommu on faults

[Teddy Astie <teddy.astie@xxxxxxxxxx>]

When a fault occurs on a IOMMU, print the IOMMU the fault is coming from.

Signed-off-by: Teddy Astie <teddy.astie@xxxxxxxxxx>
---
 xen/drivers/passthrough/vtd/iommu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/drivers/passthrough/vtd/iommu.c 
b/xen/drivers/passthrough/vtd/iommu.c
index 1005e200c1..5e9232d4b1 100644
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -992,8 +992,8 @@ static int iommu_page_fault_do_one(struct vtd_iommu *iommu, 
int type,
         break;
     }
 
-    printk(XENLOG_G_WARNING VTDPREFIX "%s: reason %02x - %s\n",
-           kind, fault_reason, reason);
+    printk(XENLOG_G_WARNING VTDPREFIX "%s: reason %02x - %s on iommu:%u\n",
+           kind, fault_reason, reason, iommu->index);
 
     if ( iommu_verbose && fault_type == DMA_REMAP )
         print_vtd_entries(iommu, PCI_BUS(source_id), PCI_DEVFN(source_id),
-- 
2.54.0



--
Teddy Astie | Vates XCP-ng Developer

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