kvm-irqchip: do explicit commit when update irq

[mirror_qemu.git] / include / sysemu / kvm.h

diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 7741f91f9cd67b84587b3196ec75ccbbd2911fcd..c9c243631eb746194288bf1a810217ae32bc0061 100644 (file)
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -14,8 +14,6 @@
 #ifndef QEMU_KVM_H
 #define QEMU_KVM_H
 
-#include <errno.h>
-#include "config-host.h"
 #include "qemu/queue.h"
 #include "qom/cpu.h"
 #include "exec/memattrs.h"
@@ -218,8 +216,10 @@ int kvm_has_intx_set_mask(void);
 
 int kvm_init_vcpu(CPUState *cpu);
 int kvm_cpu_exec(CPUState *cpu);
+int kvm_destroy_vcpu(CPUState *cpu);
 
 #ifdef NEED_CPU_H
+#include "cpu.h"
 
 void kvm_setup_guest_memory(void *start, size_t size);
 void kvm_flush_coalesced_mmio_buffer(void);
@@ -308,6 +308,15 @@ void kvm_device_access(int fd, int group, uint64_t attr,
  */
 int kvm_create_device(KVMState *s, uint64_t type, bool test);
 
+/**
+ * kvm_device_supported - probe whether KVM supports specific device
+ *
+ * @vmfd: The fd handler for VM
+ * @type: type of device
+ *
+ * @return: true if supported, otherwise false.
+ */
+bool kvm_device_supported(int vmfd, uint64_t type);
 
 /* Arch specific hooks */
 
@@ -337,6 +346,8 @@ int kvm_arch_init(MachineState *ms, KVMState *s);
 
 int kvm_arch_init_vcpu(CPUState *cpu);
 
+bool kvm_vcpu_id_is_valid(int vcpu_id);
+
 /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */
 unsigned long kvm_arch_vcpu_id(CPUState *cpu);
 
@@ -348,13 +359,18 @@ void kvm_arch_init_irq_routing(KVMState *s);
 int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
                              uint64_t address, uint32_t data, PCIDevice *dev);
 
+/* Notify arch about newly added MSI routes */
+int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route,
+                                int vector, PCIDevice *dev);
+/* Notify arch about released MSI routes */
+int kvm_arch_release_virq_post(int virq);
+
 int kvm_arch_msi_data_to_gsi(uint32_t data);
 
 int kvm_set_irq(KVMState *s, int irq, int level);
 int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
 
 void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
-void kvm_irqchip_commit_routes(KVMState *s);
 
 void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
 void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
@@ -463,9 +479,21 @@ static inline void cpu_synchronize_post_init(CPUState *cpu)
     }
 }
 
-int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev);
+/**
+ * kvm_irqchip_add_msi_route - Add MSI route for specific vector
+ * @s:      KVM state
+ * @vector: which vector to add. This can be either MSI/MSIX
+ *          vector. The function will automatically detect whether
+ *          MSI/MSIX is enabled, and fetch corresponding MSI
+ *          message.
+ * @dev:    Owner PCI device to add the route. If @dev is specified
+ *          as @NULL, an empty MSI message will be inited.
+ * @return: virq (>=0) when success, errno (<0) when failed.
+ */
+int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev);
 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
                                  PCIDevice *dev);
+void kvm_irqchip_commit_routes(KVMState *s);
 void kvm_irqchip_release_virq(KVMState *s, int virq);
 
 int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter);
@@ -516,4 +544,5 @@ int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source);
  * Returns: 0 on success, or a negative errno on failure.
  */
 int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target);
+int kvm_get_max_memslots(void);
 #endif