Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


hardware multicore support
[palacios.git] / palacios / src / palacios / vmm.c
index 2af99d2..fcc6ea5 100644 (file)
@@ -33,7 +33,7 @@
 #endif
 
 
-v3_cpu_arch_t v3_cpu_type;
+v3_cpu_arch_t v3_cpu_types[CONFIG_MAX_CPUS];
 struct v3_os_hooks * os_hooks = NULL;
 
 
@@ -45,12 +45,54 @@ static struct guest_info * allocate_guest() {
 }
 
 
+struct vmm_init_arg {
+    int cpu_id;
+    struct v3_ctrl_ops * vmm_ops;
+};
+
+static void init_cpu(void * arg) {
+    struct vmm_init_arg * vmm_arg = (struct vmm_init_arg *)arg;
+    int cpu_id = vmm_arg->cpu_id;
+    struct v3_ctrl_ops * vmm_ops = vmm_arg->vmm_ops;
+
+#ifdef CONFIG_SVM
+    if (v3_is_svm_capable()) {
+        PrintDebug("Machine is SVM Capable\n");
+        v3_init_svm_cpu(cpu_id);
+       
+       if (cpu_id == 0) {
+           v3_init_svm_hooks(vmm_ops);
+       }
+    } else 
+#endif
+#ifdef CONFIG_VMX
+    if (v3_is_vmx_capable()) {
+       PrintDebug("Machine is VMX Capable\n");
+       v3_init_vmx_cpu(cpu_id);
+
+       if (cpu_id == 0) {
+           v3_init_vmx_hooks(vmm_ops);
+       }       
+    } else 
+#endif
+    {
+       PrintError("CPU has no virtualization Extensions\n");
+    }
+}
+
+
+
+void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops, int num_cpus) {
+    int i;
+    struct vmm_init_arg arg;
+    arg.vmm_ops = vmm_ops;    
 
-void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops) {
-    
     // Set global variables. 
     os_hooks = hooks;
-    v3_cpu_type = V3_INVALID_CPU;
+
+    for (i = 0; i < CONFIG_MAX_CPUS; i++) {
+       v3_cpu_types[i] = V3_INVALID_CPU;
+    }
 
     // Register all the possible device types
     v3_init_devices();
@@ -62,23 +104,18 @@ void Init_V3(struct v3_os_hooks * hooks, struct v3_ctrl_ops * vmm_ops) {
 
     vmm_ops->allocate_guest = &allocate_guest;
 
-#ifdef CONFIG_SVM
-    if (v3_is_svm_capable()) {
-        PrintDebug("Machine is SVM Capable\n");
-        v3_init_SVM(vmm_ops);
 
-    } else 
-#endif
-#ifdef CONFIG_VMX
-    if (v3_is_vmx_capable()) {
-       PrintDebug("Machine is VMX Capable\n");
-       v3_init_vmx(vmm_ops);
-       
-    } else 
-#endif
-    {
-       PrintError("CPU has no virtualization Extensions\n");
+    if ((hooks) && (hooks->call_on_cpu)) {
+
+       for (i = 0; i < num_cpus; i++) {
+           arg.cpu_id = i;
+
+           V3_Print("Initializing VMM extensions on cpu %d\n", i);
+           hooks->call_on_cpu(i, &init_cpu, &arg);
+       }
     }
+
+
 }