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kvm: handle internal error 

Port qemu-kvm's KVM_EXIT_INTERNAL_ERROR handling to upstream.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Marcelo Tosatti 2010-03-23 13:37:11 -03:00
parent b5e5a93417
commit 7c80eef899
1 changed files with 31 additions and 0 deletions
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31
kvm-all.c
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@ -730,6 +730,32 @@ static int kvm_handle_io(uint16_t port, void *data, int direction, int size,
return 1;
}
#ifdef KVM_CAP_INTERNAL_ERROR_DATA
static void kvm_handle_internal_error(CPUState *env, struct kvm_run *run)
{
if (kvm_check_extension(kvm_state, KVM_CAP_INTERNAL_ERROR_DATA)) {
int i;
fprintf(stderr, "KVM internal error. Suberror: %d\n",
run->internal.suberror);
for (i = 0; i < run->internal.ndata; ++i) {
fprintf(stderr, "extra data[%d]: %"PRIx64"\n",
i, (uint64_t)run->internal.data[i]);
}
}
cpu_dump_state(env, stderr, fprintf, 0);
if (run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION) {
fprintf(stderr, "emulation failure\n");
}
/* FIXME: Should trigger a qmp message to let management know
* something went wrong.
*/
vm_stop(0);
}
#endif
void kvm_flush_coalesced_mmio_buffer(void)
{
#ifdef KVM_CAP_COALESCED_MMIO
@ -845,6 +871,11 @@ int kvm_cpu_exec(CPUState *env)
case KVM_EXIT_EXCEPTION:
DPRINTF("kvm_exit_exception\n");
break;
#ifdef KVM_CAP_INTERNAL_ERROR_DATA
case KVM_EXIT_INTERNAL_ERROR:
kvm_handle_internal_error(env, run);
break;
#endif
case KVM_EXIT_DEBUG:
DPRINTF("kvm_exit_debug\n");
#ifdef KVM_CAP_SET_GUEST_DEBUG