acpi: enable INTR for DMAR report structure
In ACPI DMA remapping report structure, enable INTR flag when specified. 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>
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@ -59,6 +59,7 @@
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#include "qapi/qmp/qint.h"
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#include "qom/qom-qobject.h"
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#include "hw/i386/x86-iommu.h"
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#include "hw/acpi/ipmi.h"
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@ -2454,6 +2455,10 @@ build_mcfg_q35(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info)
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build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL, NULL);
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}
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/*
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* VT-d spec 8.1 DMA Remapping Reporting Structure
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* (version Oct. 2014 or later)
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*/
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static void
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build_dmar_q35(GArray *table_data, BIOSLinker *linker)
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{
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@ -2461,10 +2466,17 @@ build_dmar_q35(GArray *table_data, BIOSLinker *linker)
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AcpiTableDmar *dmar;
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AcpiDmarHardwareUnit *drhd;
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uint8_t dmar_flags = 0;
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X86IOMMUState *iommu = x86_iommu_get_default();
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assert(iommu);
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if (iommu->intr_supported) {
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dmar_flags |= 0x1; /* Flags: 0x1: INT_REMAP */
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}
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dmar = acpi_data_push(table_data, sizeof(*dmar));
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dmar->host_address_width = VTD_HOST_ADDRESS_WIDTH - 1;
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dmar->flags = 0; /* No intr_remap for now */
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dmar->flags = dmar_flags;
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/* DMAR Remapping Hardware Unit Definition structure */
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drhd = acpi_data_push(table_data, sizeof(*drhd));
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@ -44,6 +44,8 @@
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#define VTD_HOST_ADDRESS_WIDTH 39
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#define VTD_HAW_MASK ((1ULL << VTD_HOST_ADDRESS_WIDTH) - 1)
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#define DMAR_REPORT_F_INTR (1)
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typedef struct VTDContextEntry VTDContextEntry;
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typedef struct VTDContextCacheEntry VTDContextCacheEntry;
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typedef struct IntelIOMMUState IntelIOMMUState;
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