Import QEMU upstream snapshot d2e570c

Upstream: https://gitlab.com/qemu-project/qemu.git

Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475

accel/stubs/kvm-stub.c

@@ -0,0 +1,145 @@
+/*
+ * QEMU KVM stub
+ *
+ * Copyright Red Hat, Inc. 2010
+ *
+ * Author: Paolo Bonzini     <[email protected]>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "system/kvm.h"
+#include "hw/pci/msi.h"
+
+KVMState *kvm_state;
+bool kvm_kernel_irqchip;
+bool kvm_async_interrupts_allowed;
+bool kvm_resamplefds_allowed;
+bool kvm_msi_via_irqfd_allowed;
+bool kvm_gsi_routing_allowed;
+bool kvm_gsi_direct_mapping;
+bool kvm_allowed;
+bool kvm_readonly_mem_allowed;
+bool kvm_msi_use_devid;
+
+void kvm_flush_coalesced_mmio_buffer(void)
+{
+}
+
+bool kvm_has_sync_mmu(void)
+{
+    return false;
+}
+
+int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
+{
+    return 1;
+}
+
+int kvm_on_sigbus(int code, void *addr)
+{
+    return 1;
+}
+
+int kvm_irqchip_add_msi_route(AccelRouteChange *c, int vector, PCIDevice *dev)
+{
+    return -ENOSYS;
+}
+
+void kvm_init_irq_routing(KVMState *s)
+{
+}
+
+void kvm_irqchip_release_virq(KVMState *s, int virq)
+{
+}
+
+int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
+                                 PCIDevice *dev)
+{
+    return -ENOSYS;
+}
+
+void kvm_irqchip_commit_routes(KVMState *s)
+{
+}
+
+void kvm_irqchip_add_change_notifier(Notifier *n)
+{
+}
+
+void kvm_irqchip_remove_change_notifier(Notifier *n)
+{
+}
+
+void kvm_irqchip_change_notify(void)
+{
+}
+
+void kvm_vmfd_add_change_notifier(NotifierWithReturn *n)
+{
+}
+
+void kvm_vmfd_remove_change_notifier(NotifierWithReturn *n)
+{
+}
+
+void kvm_vcpufd_add_change_notifier(NotifierWithReturn *n)
+{
+    return;
+}
+
+void kvm_vcpufd_remove_change_notifier(NotifierWithReturn *n)
+{
+    return;
+}
+
+int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
+                                       EventNotifier *rn, int virq)
+{
+    return -ENOSYS;
+}
+
+int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
+                                          int virq)
+{
+    return -ENOSYS;
+}
+
+unsigned int kvm_get_max_memslots(void)
+{
+    return 0;
+}
+
+unsigned int kvm_get_free_memslots(void)
+{
+    return 0;
+}
+
+bool kvm_arm_supports_user_irq(void)
+{
+    return false;
+}
+
+bool kvm_dirty_ring_enabled(void)
+{
+    return false;
+}
+
+uint32_t kvm_dirty_ring_size(void)
+{
+    return 0;
+}
+
+bool kvm_hwpoisoned_mem(void)
+{
+    return false;
+}
+
+int kvm_create_guest_memfd(uint64_t size, uint64_t flags, Error **errp)
+{
+    return -ENOSYS;
+}