qemu/kvm-stub.c
Jan Kiszka b131c74a0e kvm: Clean up irqfd API
No need to expose the fd-based interface, everyone will already be fine
with the more handy EventNotifier variant. Rename the latter to clarify
that we are still talking about irqfds here.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2012-09-09 17:03:09 +03:00

153 lines
2.5 KiB
C

/*
* QEMU KVM stub
*
* Copyright Red Hat, Inc. 2010
*
* Author: Paolo Bonzini <pbonzini@redhat.com>
*
* 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-common.h"
#include "hw/hw.h"
#include "hw/msi.h"
#include "cpu.h"
#include "gdbstub.h"
#include "kvm.h"
KVMState *kvm_state;
bool kvm_kernel_irqchip;
bool kvm_async_interrupts_allowed;
bool kvm_irqfds_allowed;
bool kvm_msi_via_irqfd_allowed;
bool kvm_gsi_routing_allowed;
int kvm_init_vcpu(CPUArchState *env)
{
return -ENOSYS;
}
int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
{
return -ENOSYS;
}
int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size)
{
return -ENOSYS;
}
int kvm_init(void)
{
return -ENOSYS;
}
void kvm_flush_coalesced_mmio_buffer(void)
{
}
void kvm_cpu_synchronize_state(CPUArchState *env)
{
}
void kvm_cpu_synchronize_post_reset(CPUArchState *env)
{
}
void kvm_cpu_synchronize_post_init(CPUArchState *env)
{
}
int kvm_cpu_exec(CPUArchState *env)
{
abort ();
}
int kvm_has_sync_mmu(void)
{
return 0;
}
int kvm_has_many_ioeventfds(void)
{
return 0;
}
int kvm_has_pit_state2(void)
{
return 0;
}
void kvm_setup_guest_memory(void *start, size_t size)
{
}
int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap)
{
return -ENOSYS;
}
int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
target_ulong len, int type)
{
return -EINVAL;
}
int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
target_ulong len, int type)
{
return -EINVAL;
}
void kvm_remove_all_breakpoints(CPUArchState *current_env)
{
}
#ifndef _WIN32
int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset)
{
abort();
}
#endif
int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign)
{
return -ENOSYS;
}
int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign, uint32_t len)
{
return -ENOSYS;
}
int kvm_on_sigbus_vcpu(CPUArchState *env, int code, void *addr)
{
return 1;
}
int kvm_on_sigbus(int code, void *addr)
{
return 1;
}
int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
{
return -ENOSYS;
}
void kvm_irqchip_release_virq(KVMState *s, int virq)
{
}
int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
{
return -ENOSYS;
}
int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq)
{
return -ENOSYS;
}