void vmdb_remote_execute ( GUEST_CPU_HANDLE gcpu, VMDB_REMOTE_PARAMS *params)
{
const VIRTUAL_CPU_ID *vcpu = guest_vcpu(gcpu);
if (NULL != vcpu) {
IPC_DESTINATION dst;
dst.addr_shorthand = IPI_DST_ALL_EXCLUDING_SELF;
params->guest_id = vcpu->guest_id;
ipc_execute_handler(dst, (IPC_HANDLER_FN) vmdb_remote_handler, params);
}
else {
VMDB_LOG(level_error,"%s Failed to locate VCPU\n", __FUNCTION__);
}
}
/* ---------------------------- APIs --------------------------------------- */
void guest_control_setup(guest_handle_t guest, const vmexit_control_t *request)
{
guest_gcpu_econtext_t ctx;
guest_cpu_handle_t gcpu;
mon_state_t mon_state;
cpu_id_t this_hcpu_id = hw_cpu_id();
MON_ASSERT(guest);
/* setup vmexit requests without applying */
for (gcpu = mon_guest_gcpu_first(guest, &ctx); gcpu;
gcpu = mon_guest_gcpu_next(&ctx))
gcpu_control_setup_only(gcpu, request);
/* now apply */
mon_state = mon_get_state();
if (MON_STATE_BOOT == mon_state) {
/* may be run on BSP only */
MON_ASSERT(0 == this_hcpu_id);
/* single thread mode with all APs yet not init */
for (gcpu = mon_guest_gcpu_first(guest, &ctx); gcpu;
gcpu = mon_guest_gcpu_next(&ctx))
gcpu_control_apply_only(gcpu);
} else if (MON_STATE_RUN == mon_state) {
ipc_comm_guest_struct_t ipc;
uint32_t wait_for_ipc_count = 0;
ipc_destination_t ipc_dst;
mon_memset(&ipc, 0, sizeof(ipc));
mon_memset(&ipc_dst, 0, sizeof(ipc_dst));
/* multi-thread mode with all APs ready and running
* or in Wait-For-SIPI state on behalf of guest */
ipc.guest = guest;
/* first apply for gcpus allocated for this hw cpu */
apply_vmexit_config(this_hcpu_id, &ipc);
/* reset executed counter and flush memory */
hw_assign_as_barrier(&(ipc.executed), 0);
/* send for execution */
ipc_dst.addr_shorthand = IPI_DST_ALL_EXCLUDING_SELF;
wait_for_ipc_count =
ipc_execute_handler(ipc_dst, apply_vmexit_config, &ipc);
/* wait for execution finish */
while (wait_for_ipc_count != ipc.executed) {
/* avoid deadlock - process one IPC if exist */
ipc_process_one_ipc();
hw_pause();
}
} else {
/* not supported mode */
MON_LOG(mask_anonymous, level_trace,
"Unsupported global mon_state=%d in"
" guest_request_vmexit_on()\n",
mon_state);
MON_DEADLOOP();
}
}
