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[PULL,v4,20/57] intel_iommu: add IR translation faults defines

Message ID 1469118288-4776-21-git-send-email-mst@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Michael S. Tsirkin July 21, 2016, 4:27 p.m. UTC 
From: Peter Xu <peterx@redhat.com>

Adding translation fault definitions for interrupt remapping. Please
refer to VT-d spec section 7.1.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/i386/intel_iommu_internal.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h
index 309833f..2a9987f 100644
--- a/hw/i386/intel_iommu_internal.h
+++ b/hw/i386/intel_iommu_internal.h
@@ -271,6 +271,19 @@  typedef enum VTDFaultReason {
      * context-entry.
      */
     VTD_FR_CONTEXT_ENTRY_TT,
+
+    /* Interrupt remapping transition faults */
+    VTD_FR_IR_REQ_RSVD = 0x20, /* One or more IR request reserved
+                                * fields set */
+    VTD_FR_IR_INDEX_OVER = 0x21, /* Index value greater than max */
+    VTD_FR_IR_ENTRY_P = 0x22,    /* Present (P) not set in IRTE */
+    VTD_FR_IR_ROOT_INVAL = 0x23, /* IR Root table invalid */
+    VTD_FR_IR_IRTE_RSVD = 0x24,  /* IRTE Rsvd field non-zero with
+                                  * Present flag set */
+    VTD_FR_IR_REQ_COMPAT = 0x25, /* Encountered compatible IR
+                                  * request while disabled */
+    VTD_FR_IR_SID_ERR = 0x26,   /* Invalid Source-ID */
+
     /* This is not a normal fault reason. We use this to indicate some faults
      * that are not referenced by the VT-d specification.
      * Fault event with such reason should not be recorded.