From: Jack Lange <jacklange@cs.pitt.edu>
Date: Thu, 22 Sep 2011 16:54:21 +0000 (-0400)
Subject: exported functionality for vmcs flushing via vmcs_clear
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=dff987790423249e95487f8754ebe0fbee8dbbdd

exported functionality for vmcs flushing via vmcs_clear
---

diff --git a/palacios/include/palacios/vmx.h b/palacios/include/palacios/vmx.h
index c3b3254..06e4df2 100644
--- a/palacios/include/palacios/vmx.h
+++ b/palacios/include/palacios/vmx.h
@@ -223,6 +223,8 @@ int v3_deinit_vmx_vmcs(struct guest_info * core);
 
 int v3_start_vmx_guest(struct guest_info* info);
 int v3_reset_vmx_vm_core(struct guest_info * core, addr_t rip);
+void v3_flush_vmx_vm_core(struct guest_info * core);
+
 int v3_vmx_enter(struct guest_info * info);
 
 int v3_vmx_load_core(struct guest_info * core, void * ctx);
diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c
index ca12fc7..87746ef 100644
--- a/palacios/src/palacios/vmm.c
+++ b/palacios/src/palacios/vmm.c
@@ -387,6 +387,20 @@ int v3_move_vm_core(struct v3_vm_info * vm, int vcore_id, int target_cpu) {
 
 	V3_Print("Moving Core\n");
 
+
+#ifdef V3_CONFIG_VMX
+	switch (v3_cpu_types[core->pcpu_id]) {
+	    case V3_VMX_CPU:
+	    case V3_VMX_EPT_CPU:
+	    case V3_VMX_EPT_UG_CPU:
+		PrintDebug("Flushing VMX Guest CPU %d\n", core->vcpu_id);
+		V3_Call_On_CPU(core->pcpu_id, (void (*)(void *))v3_flush_vmx_vm_core, (void *)core);
+		break;
+	    default:
+		break;
+	}
+#endif
+
 	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);
diff --git a/palacios/src/palacios/vmx.c b/palacios/src/palacios/vmx.c
index e733eb5..405bca8 100644
--- a/palacios/src/palacios/vmx.c
+++ b/palacios/src/palacios/vmx.c
@@ -612,6 +612,14 @@ int v3_vmx_load_core(struct guest_info * core, void * ctx){
 #endif
 
 
+void v3_flush_vmx_vm_core(struct guest_info * core) {
+    struct vmx_data * vmx_info = (struct vmx_data *)(core->vmm_data);
+    vmcs_clear(vmx_info->vmcs_ptr_phys);
+    vmx_info->state = VMX_UNLAUNCHED;
+}
+
+
+
 static int update_irq_exit_state(struct guest_info * info) {
     struct vmx_exit_idt_vec_info idt_vec_info;
 
@@ -861,19 +869,22 @@ int v3_vmx_enter(struct guest_info * info) {
 	ret = v3_vmx_resume(&(info->vm_regs), info, &(info->ctrl_regs));
     }
     
+
+
     //  PrintDebug("VMX Exit: ret=%d\n", ret);
 
     if (ret != VMX_SUCCESS) {
 	uint32_t error = 0;
-
         vmcs_read(VMCS_INSTR_ERR, &error);
 
 	v3_enable_ints();
 
-        PrintError("VMENTRY Error: %d\n", error);
+	PrintError("VMENTRY Error: %d (launch_ret = %d)\n", error, ret);
 	return -1;
     }
 
+
+
     // Immediate exit from VM time bookkeeping
     v3_time_exit_vm(info);