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-rw-r--r--target-s390x/kvm.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 09c2483618..dcd75055c1 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -41,6 +41,7 @@
#include "trace.h"
#include "qapi-event.h"
#include "hw/s390x/s390-pci-inst.h"
+#include "hw/s390x/s390-pci-bus.h"
/* #define DEBUG_KVM */
@@ -1544,3 +1545,28 @@ int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state)
return ret;
}
+
+int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
+ uint64_t address, uint32_t data)
+{
+ S390PCIBusDevice *pbdev;
+ uint32_t fid = data >> ZPCI_MSI_VEC_BITS;
+ uint32_t vec = data & ZPCI_MSI_VEC_MASK;
+
+ pbdev = s390_pci_find_dev_by_fid(fid);
+ if (!pbdev) {
+ DPRINTF("add_msi_route no dev\n");
+ return -ENODEV;
+ }
+
+ pbdev->routes.adapter.ind_offset = vec;
+
+ route->type = KVM_IRQ_ROUTING_S390_ADAPTER;
+ route->flags = 0;
+ route->u.adapter.summary_addr = pbdev->routes.adapter.summary_addr;
+ route->u.adapter.ind_addr = pbdev->routes.adapter.ind_addr;
+ route->u.adapter.summary_offset = pbdev->routes.adapter.summary_offset;
+ route->u.adapter.ind_offset = pbdev->routes.adapter.ind_offset;
+ route->u.adapter.adapter_id = pbdev->routes.adapter.adapter_id;
+ return 0;
+}