intel_iommu: name vtd address space with devfn
To avoid duplicated name and ease debugging. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Peter Xu <peterx@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -2344,6 +2344,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
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uintptr_t key = (uintptr_t)bus;
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VTDBus *vtd_bus = g_hash_table_lookup(s->vtd_as_by_busptr, &key);
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VTDAddressSpace *vtd_dev_as;
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char name[128];
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if (!vtd_bus) {
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/* No corresponding free() */
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@ -2357,6 +2358,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
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vtd_dev_as = vtd_bus->dev_as[devfn];
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if (!vtd_dev_as) {
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snprintf(name, sizeof(name), "intel_iommu_devfn_%d", devfn);
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vtd_bus->dev_as[devfn] = vtd_dev_as = g_malloc0(sizeof(VTDAddressSpace));
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vtd_dev_as->bus = bus;
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@ -2371,7 +2373,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn)
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memory_region_add_subregion(&vtd_dev_as->iommu, VTD_INTERRUPT_ADDR_FIRST,
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&vtd_dev_as->iommu_ir);
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address_space_init(&vtd_dev_as->as,
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&vtd_dev_as->iommu, "intel_iommu");
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&vtd_dev_as->iommu, name);
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}
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return vtd_dev_as;
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}
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