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intel-iommu: remove VTD_FR_RESERVED_ERR 

This fault reason is not used and is duplicated with SPT.2 condition
code. So let's remove it.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220210092815.45174-1-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Jason Wang 2022-02-10 17:28:14 +08:00 committed by Michael S. Tsirkin
parent 77250171bd
commit a48a5bcd64
2 changed files with 0 additions and 11 deletions
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6
hw/i386/intel_iommu.c
View File

@ -469,11 +469,6 @@ static void vtd_report_dmar_fault(IntelIOMMUState *s, uint16_t source_id,
assert(fault < VTD_FR_MAX);
if (fault == VTD_FR_RESERVED_ERR) {
/* This is not a normal fault reason case. Drop it. */
return;
}
trace_vtd_dmar_fault(source_id, fault, addr, is_write);
if (fsts_reg & VTD_FSTS_PFO) {
@ -1637,7 +1632,6 @@ static const bool vtd_qualified_faults[] = {
[VTD_FR_PAGING_ENTRY_RSVD] = true,
[VTD_FR_CONTEXT_ENTRY_TT] = true,
[VTD_FR_PASID_TABLE_INV] = false,
[VTD_FR_RESERVED_ERR] = false,
[VTD_FR_MAX] = false,
};

5
hw/i386/intel_iommu_internal.h
View File

@ -304,11 +304,6 @@ typedef enum VTDFaultReason {
VTD_FR_PASID_TABLE_INV = 0x58, /*Invalid PASID table entry */
/* 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.
*/
VTD_FR_RESERVED_ERR,
VTD_FR_MAX, /* Guard */
} VTDFaultReason;