#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"
extern bool kvm_allowed;
extern bool kvm_kernel_irqchip;
+extern bool kvm_split_irqchip;
extern bool kvm_async_interrupts_allowed;
extern bool kvm_halt_in_kernel_allowed;
extern bool kvm_eventfds_allowed;
extern bool kvm_gsi_routing_allowed;
extern bool kvm_gsi_direct_mapping;
extern bool kvm_readonly_mem_allowed;
+extern bool kvm_direct_msi_allowed;
+extern bool kvm_ioeventfd_any_length_allowed;
#if defined CONFIG_KVM || !defined NEED_CPU_H
#define kvm_enabled() (kvm_allowed)
*/
#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
+/**
+ * kvm_irqchip_is_split:
+ *
+ * Returns: true if the user asked us to split the irqchip
+ * implementation between user and kernel space. The details are
+ * architecture and machine specific. On PC, it means that the PIC,
+ * IOAPIC, and PIT are in user space while the LAPIC is in the kernel.
+ */
+#define kvm_irqchip_is_split() (kvm_split_irqchip)
+
/**
* kvm_async_interrupts_enabled:
*
*/
#define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed)
+/**
+ * kvm_direct_msi_enabled:
+ *
+ * Returns: true if KVM allows direct MSI injection.
+ */
+#define kvm_direct_msi_enabled() (kvm_direct_msi_allowed)
+
+/**
+ * kvm_ioeventfd_any_length_enabled:
+ * Returns: true if KVM allows any length io eventfd.
+ */
+#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed)
+
#else
#define kvm_enabled() (0)
#define kvm_irqchip_in_kernel() (false)
+#define kvm_irqchip_is_split() (false)
#define kvm_async_interrupts_enabled() (false)
#define kvm_halt_in_kernel() (false)
#define kvm_eventfds_enabled() (false)
#define kvm_gsi_routing_allowed() (false)
#define kvm_gsi_direct_mapping() (false)
#define kvm_readonly_mem_enabled() (false)
+#define kvm_direct_msi_enabled() (false)
+#define kvm_ioeventfd_any_length_enabled() (false)
#endif
struct kvm_run;
int kvm_has_vcpu_events(void);
int kvm_has_robust_singlestep(void);
int kvm_has_debugregs(void);
-int kvm_has_xsave(void);
-int kvm_has_xcrs(void);
int kvm_has_pit_state2(void);
int kvm_has_many_ioeventfds(void);
int kvm_has_gsi_routing(void);
int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
int kvm_on_sigbus(int code, void *addr);
+/* interface with exec.c */
+
+void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align));
+
/* internal API */
int kvm_ioctl(KVMState *s, int type, ...);
*/
int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr);
+/**
+ * kvm_device_check_attr - check for existence of a specific device attribute
+ * @fd: The device file descriptor
+ * @group: the group
+ * @attr: the attribute of that group to query for
+ *
+ * Returns: 1 if the attribute exists
+ * 0 if the attribute either does not exist or if the vm device
+ * interface is unavailable
+ */
+int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr);
+
+/**
+ * kvm_device_access - set or get value of a specific vm attribute
+ * @fd: The device file descriptor
+ * @group: the group
+ * @attr: the attribute of that group to set or get
+ * @val: pointer to a storage area for the value
+ * @write: true for set and false for get operation
+ *
+ * This function is not allowed to fail. Use kvm_device_check_attr()
+ * in order to check for the availability of optional attributes.
+ */
+void kvm_device_access(int fd, int group, uint64_t attr,
+ void *val, bool write);
+
/**
* kvm_create_device - create a KVM device for the device control API
* @KVMState: The KVMState pointer
*/
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 */
int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run);
+int kvm_arch_handle_ioapic_eoi(CPUState *cpu, struct kvm_run *run);
+
int kvm_arch_process_async_events(CPUState *cpu);
int kvm_arch_get_registers(CPUState *cpu);
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);
+ uint64_t address, uint32_t data, PCIDevice *dev);
int kvm_arch_msi_data_to_gsi(uint32_t data);
void kvm_cpu_synchronize_state(CPUState *cpu);
void kvm_cpu_synchronize_post_reset(CPUState *cpu);
void kvm_cpu_synchronize_post_init(CPUState *cpu);
-void kvm_cpu_clean_state(CPUState *cpu);
/* generic hooks - to be moved/refactored once there are more users */
}
}
-static inline void cpu_clean_state(CPUState *cpu)
-{
- if (kvm_enabled()) {
- kvm_cpu_clean_state(cpu);
- }
-}
-
-int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg);
-int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg);
+int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev);
+int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
+ PCIDevice *dev);
void kvm_irqchip_release_virq(KVMState *s, int virq);
int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter);
+int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint);
int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
EventNotifier *rn, int virq);
/**
* kvm_arch_irqchip_create:
* @KVMState: The KVMState pointer
+ * @MachineState: The MachineState pointer
*
* Allow architectures to create an in-kernel irq chip themselves.
*
* 0: irq chip was not created
* > 0: irq chip was created
*/
-int kvm_arch_irqchip_create(KVMState *s);
+int kvm_arch_irqchip_create(MachineState *ms, KVMState *s);
/**
* kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl
Code Review / kvmfornfv.git / blobdiff