#include <palacios/vmx.h>
#endif
+#ifdef V3_CONFIG_CHECKPOINT
+#include <palacios/vmm_checkpoint.h>
+#endif
+
v3_cpu_arch_t v3_cpu_types[V3_CONFIG_MAX_CPUS];
struct v3_os_hooks * os_hooks = NULL;
+
static void init_cpu(void * arg) {
uint32_t cpu_id = (uint32_t)(addr_t)arg;
V3_init_symmod();
#endif
+#ifdef V3_CONFIG_CHECKPOINT
+ V3_init_checkpoint();
+#endif
+
#ifdef V3_CONFIG_MULTITHREAD_OS
V3_deinit_symmod();
#endif
+#ifdef V3_CONFIG_CHECKPOINT
+ V3_deinit_checkpoint();
+#endif
+
#ifdef V3_CONFIG_MULTITHREAD_OS
if ((os_hooks) && (os_hooks->call_on_cpu)) {
for (i = 0; i < V3_CONFIG_MAX_CPUS; i++) {
if (v3_cpu_types[i] != V3_INVALID_CPU) {
- deinit_cpu((void *)(addr_t)i);
+ V3_Call_On_CPU(i, deinit_cpu, (void *)(addr_t)i);
+ //deinit_cpu((void *)(addr_t)i);
}
}
}
}
+
+
static int start_core(void * p)
{
struct guest_info * core = (struct guest_info *)p;
- PrintDebug("virtual core %u: in start_core (RIP=%p)\n",
- core->cpu_id, (void *)(addr_t)core->rip);
+ PrintDebug("virtual core %u (on logical core %u): in start_core (RIP=%p)\n",
+ core->vcpu_id, core->pcpu_id, (void *)(addr_t)core->rip);
switch (v3_cpu_types[0]) {
#ifdef V3_CONFIG_SVM
for (i = 0, vcore_id = 1; (i < MAX_CORES) && (vcore_id < vm->num_cores); i++) {
int major = 0;
int minor = 0;
- void * core_thread = NULL;
struct guest_info * core = &(vm->cores[vcore_id]);
char * specified_cpu = v3_cfg_val(core->core_cfg_data, "target_cpu");
uint32_t core_idx = 0;
i--; // We reset the logical core idx. Not strictly necessary I guess...
} else {
- /* This assumes that the core 0 thread has been mapped to physical core 0 */
if (i == V3_Get_CPU()) {
// We skip the local CPU because it is reserved for vcore 0
continue;
core_idx, start_core, core, core->exec_name);
// TODO: actually manage these threads instead of just launching them
- core_thread = V3_CREATE_THREAD_ON_CPU(core_idx, start_core, core, core->exec_name);
+ core->pcpu_id = core_idx;
+ core->core_thread = V3_CREATE_THREAD_ON_CPU(core_idx, start_core, core, core->exec_name);
- if (core_thread == NULL) {
+ if (core->core_thread == NULL) {
PrintError("Thread launch failed\n");
v3_stop_vm(vm);
return -1;
sprintf(vm->cores[0].exec_name, "%s", vm->name);
+ vm->cores[0].pcpu_id = V3_Get_CPU();
+
if (start_core(&(vm->cores[0])) != 0) {
PrintError("Error starting VM core 0\n");
v3_stop_vm(vm);
}
+int v3_reset_vm_core(struct guest_info * core, addr_t rip) {
+
+ switch (v3_cpu_types[core->pcpu_id]) {
+#ifdef V3_CONFIG_SVM
+ case V3_SVM_CPU:
+ case V3_SVM_REV3_CPU:
+ PrintDebug("Resetting SVM Guest CPU %d\n", core->vcpu_id);
+ return v3_reset_svm_vm_core(core, rip);
+#endif
+#ifdef V3_CONFIG_VMX
+ case V3_VMX_CPU:
+ case V3_VMX_EPT_CPU:
+ case V3_VMX_EPT_UG_CPU:
+ PrintDebug("Resetting VMX Guest CPU %d\n", core->vcpu_id);
+ return v3_reset_vmx_vm_core(core, rip);
+#endif
+ case V3_INVALID_CPU:
+ default:
+ PrintError("CPU has no virtualization Extensions\n");
+ break;
+ }
+
+ return -1;
+}
+
+
+
+/* move a virtual core to different physical core */
+int v3_move_vm_core(struct v3_vm_info * vm, int vcore_id, int target_cpu) {
+ struct guest_info * core = NULL;
+
+ if ((vcore_id < 0) || (vcore_id >= vm->num_cores)) {
+ PrintError("Attempted to migrate invalid virtual core (%d)\n", vcore_id);
+ return -1;
+ }
+
+ core = &(vm->cores[vcore_id]);
+
+ if (target_cpu == core->pcpu_id) {
+ PrintError("Attempted to migrate to local core (%d)\n", target_cpu);
+ // well that was pointless
+ return 0;
+ }
+
+ if (core->core_thread == NULL) {
+ PrintError("Attempted to migrate a core without a valid thread context\n");
+ return -1;
+ }
+
+ while (v3_raise_barrier(vm, NULL) == -1);
+
+ V3_Print("Performing Migration from %d to %d\n", core->pcpu_id, target_cpu);
+
+ // Double check that we weren't preemptively migrated
+ if (target_cpu != core->pcpu_id) {
+
+ V3_Print("Moving Core\n");
+
+ if (V3_MOVE_THREAD_TO_CPU(target_cpu, core->core_thread) != 0) {
+ PrintError("Failed to move Vcore %d to CPU %d\n",
+ core->vcpu_id, target_cpu);
+ v3_lower_barrier(vm);
+ return -1;
+ }
+
+ /* There will be a benign race window here:
+ core->pcpu_id will be set to the target core before its fully "migrated"
+ However the core will NEVER run on the old core again, its just in flight to the new core
+ */
+ core->pcpu_id = target_cpu;
+
+ V3_Print("core now at %d\n", core->pcpu_id);
+
+ }
+
+
+
+
+ v3_lower_barrier(vm);
+
+ return 0;
+}
+
int v3_stop_vm(struct v3_vm_info * vm) {
}
+int v3_pause_vm(struct v3_vm_info * vm) {
+
+ if (vm->run_state != VM_RUNNING) {
+ PrintError("Tried to pause a VM that was not running\n");
+ return -1;
+ }
+
+ while (v3_raise_barrier(vm, NULL) == -1);
+
+ vm->run_state = VM_PAUSED;
+
+ return 0;
+}
+
+
+int v3_continue_vm(struct v3_vm_info * vm) {
+
+ if (vm->run_state != VM_PAUSED) {
+ PrintError("Tried to continue a VM that was not paused\n");
+ return -1;
+ }
+
+ v3_lower_barrier(vm);
+
+ vm->run_state = VM_RUNNING;
+
+ return 0;
+}
+
+#ifdef V3_CONFIG_CHECKPOINT
+#include <palacios/vmm_checkpoint.h>
+
+int v3_save_vm(struct v3_vm_info * vm, char * store, char * url) {
+ return v3_chkpt_save_vm(vm, store, url);
+}
+
+
+int v3_load_vm(struct v3_vm_info * vm, char * store, char * url) {
+ return v3_chkpt_load_vm(vm, store, url);
+}
+#endif
+
+
int v3_free_vm(struct v3_vm_info * vm) {
int i = 0;
// deinitialize guest (free memory, etc...)
